@@ -1,4 +1,3 @@
-libertas-y += assoc.o
libertas-y += cfg.o
libertas-y += cmd.o
libertas-y += cmdresp.o
@@ -6,9 +5,7 @@ libertas-y += debugfs.o
libertas-y += ethtool.o
libertas-y += main.o
libertas-y += rx.o
-libertas-y += scan.o
libertas-y += tx.o
-libertas-y += wext.o
libertas-$(CONFIG_LIBERTAS_MESH) += mesh.o
usb8xxx-objs += if_usb.o
@@ -1,16 +1,22 @@
#ifndef __LBS_CFG80211_H__
#define __LBS_CFG80211_H__
-#include "dev.h"
+struct device;
+struct lbs_private;
struct wireless_dev *lbs_cfg_alloc(struct device *dev);
int lbs_cfg_register(struct lbs_private *priv);
void lbs_cfg_free(struct lbs_private *priv);
-int lbs_send_specific_ssid_scan(struct lbs_private *priv, u8 *ssid,
- u8 ssid_len);
-int lbs_scan_networks(struct lbs_private *priv, int full_scan);
-void lbs_cfg_scan_worker(struct work_struct *work);
+/* All of those are TODOs: */
+#define lbs_cmd_802_11_rssi(priv, cmdptr) (0)
+#define lbs_ret_802_11_rssi(priv, resp) (0)
+#define lbs_cmd_bcn_ctrl(priv, cmdptr, cmd_action) (0)
+#define lbs_ret_802_11_bcn_ctrl(priv, resp) (0)
+void lbs_send_disconnect_notification(struct lbs_private *priv);
+void lbs_send_mic_failureevent(struct lbs_private *priv, u32 event);
+
+void lbs_scan_deinit(struct lbs_private *priv);
#endif
@@ -6,8 +6,11 @@
*
*/
+#include <linux/if_arp.h>
#include <net/cfg80211.h>
+#include <asm/unaligned.h>
+#include "decl.h"
#include "cfg.h"
#include "cmd.h"
@@ -38,26 +41,27 @@ static struct ieee80211_channel lbs_2ghz
CHAN2G(14, 2484, 0),
};
-#define RATETAB_ENT(_rate, _rateid, _flags) { \
- .bitrate = (_rate), \
- .hw_value = (_rateid), \
- .flags = (_flags), \
+#define RATETAB_ENT(_rate, _hw_value, _flags) { \
+ .bitrate = (_rate), \
+ .hw_value = (_hw_value), \
+ .flags = (_flags), \
}
+/* Table 6 in section 3.2.1.1 */
static struct ieee80211_rate lbs_rates[] = {
- RATETAB_ENT(10, 0x1, 0),
- RATETAB_ENT(20, 0x2, 0),
- RATETAB_ENT(55, 0x4, 0),
- RATETAB_ENT(110, 0x8, 0),
- RATETAB_ENT(60, 0x10, 0),
- RATETAB_ENT(90, 0x20, 0),
- RATETAB_ENT(120, 0x40, 0),
- RATETAB_ENT(180, 0x80, 0),
- RATETAB_ENT(240, 0x100, 0),
- RATETAB_ENT(360, 0x200, 0),
- RATETAB_ENT(480, 0x400, 0),
- RATETAB_ENT(540, 0x800, 0),
+ RATETAB_ENT(10, 0, 0),
+ RATETAB_ENT(20, 1, 0),
+ RATETAB_ENT(55, 2, 0),
+ RATETAB_ENT(110, 3, 0),
+ RATETAB_ENT(60, 9, 0),
+ RATETAB_ENT(90, 6, 0),
+ RATETAB_ENT(120, 7, 0),
+ RATETAB_ENT(180, 8, 0),
+ RATETAB_ENT(240, 9, 0),
+ RATETAB_ENT(360, 10, 0),
+ RATETAB_ENT(480, 11, 0),
+ RATETAB_ENT(540, 12, 0),
};
static struct ieee80211_supported_band lbs_band_2ghz = {
@@ -75,21 +79,1839 @@ static const u32 cipher_suites[] = {
WLAN_CIPHER_SUITE_CCMP,
};
+/* Time to stay on the channel */
+#define LBS_DWELL_PASSIVE 100
+#define LBS_DWELL_ACTIVE 40
+
+/***************************************************************************
+ * Misc utility functions
+ *
+ * TLVs are Marvell specific. They are very similar to IEs, they have the
+ * same structure: type, length, data*. The only difference: for IEs, the
+ * type and length are u8, but for TLVs they're __le16.
+ */
+
+/*
+ * Convert NL80211's auth_type to the one from Libertas, see chapter 5.9.1
+ * in the firmware spec
+ */
+static u8 lbs_auth_to_authtype(enum nl80211_auth_type auth_type)
+{
+ int ret = -ENOTSUPP;
+
+ switch (auth_type) {
+ case NL80211_AUTHTYPE_OPEN_SYSTEM:
+ case NL80211_AUTHTYPE_SHARED_KEY:
+ ret = auth_type;
+ break;
+ case NL80211_AUTHTYPE_AUTOMATIC:
+ ret = NL80211_AUTHTYPE_OPEN_SYSTEM;
+ break;
+ case NL80211_AUTHTYPE_NETWORK_EAP:
+ ret = 0x80;
+ break;
+ default:
+ /* silence compiler */
+ break;
+ }
+ return ret;
+}
+
+
+/* Various firmware commands need the list of supported rates, but with
+ the hight-bit set for basic rates */
+static int lbs_add_rates(u8 *rates)
+{
+ size_t i;
+
+ for (i = 0; i < ARRAY_SIZE(lbs_rates); i++) {
+ u8 rate = lbs_rates[i].bitrate / 5;
+ if (rate == 0x02 || rate == 0x04 ||
+ rate == 0x0b || rate == 0x16)
+ rate |= 0x80;
+ rates[i] = rate;
+ }
+ return ARRAY_SIZE(lbs_rates);
+}
+
+
+/***************************************************************************
+ * TLV utility functions
+ *
+ * TLVs are Marvell specific. They are very similar to IEs, they have the
+ * same structure: type, length, data*. The only difference: for IEs, the
+ * type and length are u8, but for TLVs they're __le16.
+ */
+
+
+/*
+ * Add ssid TLV
+ */
+#define LBS_MAX_SSID_TLV_SIZE \
+ (sizeof(struct mrvl_ie_header) \
+ + IEEE80211_MAX_SSID_LEN)
+
+static int lbs_add_ssid_tlv(u8 *tlv, const u8 *ssid, int ssid_len)
+{
+ struct mrvl_ie_ssid_param_set *ssid_tlv = (void *)tlv;
+
+ /*
+ * TLV-ID SSID 00 00
+ * length 06 00
+ * ssid 4d 4e 54 45 53 54
+ */
+ ssid_tlv->header.type = cpu_to_le16(TLV_TYPE_SSID);
+ ssid_tlv->header.len = cpu_to_le16(ssid_len);
+ memcpy(ssid_tlv->ssid, ssid, ssid_len);
+ return sizeof(ssid_tlv->header) + ssid_len;
+}
+
+
+/*
+ * Add channel list TLV (section 8.4.2)
+ *
+ * Actual channel data comes from priv->wdev->wiphy->channels.
+ */
+#define LBS_MAX_CHANNEL_LIST_TLV_SIZE \
+ (sizeof(struct mrvl_ie_header) \
+ + (LBS_SCAN_BEFORE_NAP * sizeof(struct chanscanparamset)))
+
+static int lbs_add_channel_list_tlv(struct lbs_private *priv, u8 *tlv,
+ int last_channel, int active_scan)
+{
+ int chanscanparamsize = sizeof(struct chanscanparamset) *
+ (last_channel - priv->scan_channel);
+
+ struct mrvl_ie_header *header = (void *) tlv;
+
+ /*
+ * TLV-ID CHANLIST 01 01
+ * length 0e 00
+ * channel 00 01 00 00 00 64 00
+ * radio type 00
+ * channel 01
+ * scan type 00
+ * min scan time 00 00
+ * max scan time 64 00
+ * channel 2 00 02 00 00 00 64 00
+ *
+ */
+
+ header->type = cpu_to_le16(TLV_TYPE_CHANLIST);
+ header->len = cpu_to_le16(chanscanparamsize);
+ tlv += sizeof(struct mrvl_ie_header);
+
+ /* lbs_deb_scan("scan: channels %d to %d\n", priv->scan_channel,
+ last_channel); */
+ memset(tlv, 0, chanscanparamsize);
+
+ while (priv->scan_channel < last_channel) {
+ struct chanscanparamset *param = (void *) tlv;
+
+ param->radiotype = CMD_SCAN_RADIO_TYPE_BG;
+ param->channumber =
+ priv->scan_req->channels[priv->scan_channel]->hw_value;
+ if (active_scan) {
+ param->maxscantime = cpu_to_le16(LBS_DWELL_ACTIVE);
+ } else {
+ param->chanscanmode.passivescan = 1;
+ param->maxscantime = cpu_to_le16(LBS_DWELL_PASSIVE);
+ }
+ tlv += sizeof(struct chanscanparamset);
+ priv->scan_channel++;
+ }
+ return sizeof(struct mrvl_ie_header) + chanscanparamsize;
+}
+
+
+/*
+ * Add rates TLV
+ *
+ * The rates are in lbs_bg_rates[], but for the 802.11b
+ * rates the high bit is set. We add this TLV only because
+ * there's a firmware which otherwise doesn't report all
+ * APs in range.
+ */
+#define LBS_MAX_RATES_TLV_SIZE \
+ (sizeof(struct mrvl_ie_header) \
+ + (ARRAY_SIZE(lbs_rates)))
+
+/* Adds a TLV with all rates the hardware supports */
+static int lbs_add_supported_rates_tlv(u8 *tlv)
+{
+ size_t i;
+ struct mrvl_ie_rates_param_set *rate_tlv = (void *)tlv;
+
+ /*
+ * TLV-ID RATES 01 00
+ * length 0e 00
+ * rates 82 84 8b 96 0c 12 18 24 30 48 60 6c
+ */
+ rate_tlv->header.type = cpu_to_le16(TLV_TYPE_RATES);
+ tlv += sizeof(rate_tlv->header);
+ i = lbs_add_rates(tlv);
+ tlv += i;
+ rate_tlv->header.len = cpu_to_le16(i);
+ return sizeof(rate_tlv->header) + i;
+}
+
+
+/*
+ * Adds a TLV with all rates the hardware *and* BSS supports.
+ */
+static int lbs_add_common_rates_tlv(u8 *tlv, struct cfg80211_bss *bss)
+{
+ struct mrvl_ie_rates_param_set *rate_tlv = (void *)tlv;
+ const u8 *rates_eid = ieee80211_bss_get_ie(bss, WLAN_EID_SUPP_RATES);
+ int n;
+
+ /*
+ * 01 00 TLV_TYPE_RATES
+ * 04 00 len
+ * 82 84 8b 96 rates
+ */
+ rate_tlv->header.type = cpu_to_le16(TLV_TYPE_RATES);
+ tlv += sizeof(rate_tlv->header);
+
+ if (!rates_eid) {
+ /* Fallback: add basic 802.11b rates */
+ *tlv++ = 0x82;
+ *tlv++ = 0x84;
+ *tlv++ = 0x8b;
+ *tlv++ = 0x96;
+ n = 4;
+ } else {
+ int hw, ap;
+ u8 ap_max = rates_eid[1];
+ n = 0;
+ for (hw = 0; hw < ARRAY_SIZE(lbs_rates); hw++) {
+ u8 hw_rate = lbs_rates[hw].bitrate / 5;
+ for (ap = 0; ap < ap_max; ap++) {
+ if (hw_rate == (rates_eid[ap+2] & 0x7f)) {
+ *tlv++ = rates_eid[ap+2];
+ n++;
+ }
+ }
+ }
+ }
+
+ rate_tlv->header.len = cpu_to_le16(n);
+ return sizeof(rate_tlv->header) + n;
+}
+
+
+/*
+ * Add auth type TLV.
+ *
+ * This is only needed for newer firmware (V9 and up).
+ */
+#define LBS_MAX_AUTH_TYPE_TLV_SIZE \
+ sizeof(struct mrvl_ie_auth_type)
+
+static int lbs_add_auth_type_tlv(u8 *tlv, enum nl80211_auth_type auth_type)
+{
+ struct mrvl_ie_auth_type *auth = (void *) tlv;
+
+ /*
+ * 1f 01 TLV_TYPE_AUTH_TYPE
+ * 01 00 len
+ * 01 auth type
+ */
+ auth->header.type = cpu_to_le16(TLV_TYPE_AUTH_TYPE);
+ auth->header.len = cpu_to_le16(sizeof(*auth)-sizeof(auth->header));
+ auth->auth = cpu_to_le16(lbs_auth_to_authtype(auth_type));
+ return sizeof(*auth);
+}
+
+
+/*
+ * Add channel (phy ds) TLV
+ */
+#define LBS_MAX_CHANNEL_TLV_SIZE \
+ sizeof(struct mrvl_ie_header)
+
+static int lbs_add_channel_tlv(u8 *tlv, u8 channel)
+{
+ struct mrvl_ie_ds_param_set *ds = (void *) tlv;
+
+ /*
+ * 03 00 TLV_TYPE_PHY_DS
+ * 01 00 len
+ * 06 channel
+ */
+ ds->header.type = cpu_to_le16(TLV_TYPE_PHY_DS);
+ ds->header.len = cpu_to_le16(sizeof(*ds)-sizeof(ds->header));
+ ds->channel = channel;
+ return sizeof(*ds);
+}
+
+
+/*
+ * Add (empty) CF param TLV of the form:
+ */
+#define LBS_MAX_CF_PARAM_TLV_SIZE \
+ sizeof(struct mrvl_ie_header)
+
+static int lbs_add_cf_param_tlv(u8 *tlv)
+{
+ struct mrvl_ie_cf_param_set *cf = (void *)tlv;
+
+ /*
+ * 04 00 TLV_TYPE_CF
+ * 06 00 len
+ * 00 cfpcnt
+ * 00 cfpperiod
+ * 00 00 cfpmaxduration
+ * 00 00 cfpdurationremaining
+ */
+ cf->header.type = cpu_to_le16(TLV_TYPE_CF);
+ cf->header.len = cpu_to_le16(sizeof(*cf)-sizeof(cf->header));
+ return sizeof(*cf);
+}
+
+/*
+ * Add WPA TLV
+ */
+#define LBS_MAX_WPA_TLV_SIZE \
+ (sizeof(struct mrvl_ie_header) \
+ + 128 /* TODO: I guessed the size */)
+
+static int lbs_add_wpa_tlv(u8 *tlv, const u8 *ie, u8 ie_len)
+{
+ size_t tlv_len;
+
+ /*
+ * We need just convert an IE to an TLV. IEs use u8 for the header,
+ * u8 type
+ * u8 len
+ * u8[] data
+ * but TLVs use __le16 instead:
+ * __le16 type
+ * __le16 len
+ * u8[] data
+ */
+ *tlv++ = *ie++;
+ *tlv++ = 0;
+ tlv_len = *tlv++ = *ie++;
+ *tlv++ = 0;
+ while (tlv_len--)
+ *tlv++ = *ie++;
+ /* the TLV is two bytes larger than the IE */
+ return ie_len + 2;
+}
+
+
+
+/***************************************************************************
+ * Set Channel
+ */
+
static int lbs_cfg_set_channel(struct wiphy *wiphy,
- struct ieee80211_channel *chan,
+ struct ieee80211_channel *channel,
enum nl80211_channel_type channel_type)
{
struct lbs_private *priv = wiphy_priv(wiphy);
- int ret = -ENOTSUPP;
+ int ret = -ENOTSUPP;
+
+ lbs_deb_enter_args(LBS_DEB_CFG80211, "freq %d, type %d",
+ channel->center_freq, channel_type);
+
+ if (channel_type != NL80211_CHAN_NO_HT)
+ goto out;
+
+ ret = lbs_set_channel(priv, channel->hw_value);
+
+ out:
+ lbs_deb_leave_args(LBS_DEB_CFG80211, "ret %d", ret);
+ return ret;
+}
+
+
+
+/***************************************************************************
+ * Scanning
+ */
+
+/*
+ * When scanning, the firmware doesn't send a nul packet with the power-safe
+ * bit to the AP. So we cannot stay away from our current channel too long,
+ * otherwise we loose data. So take a "nap" while scanning every other
+ * while.
+ */
+#define LBS_SCAN_BEFORE_NAP 4
+
+
+/*
+ * When the firmware reports back a scan-result, it gives us an "u8 rssi",
+ * which isn't really an RSSI, as it becomes larger when moving away from
+ * the AP. Anyway, we need to convert that into mBm.
+ */
+#define LBS_SCAN_RSSI_TO_MBM(rssi) \
+ ((-(int)rssi + 3)*100)
+
+static int lbs_ret_scan(struct lbs_private *priv, unsigned long dummy,
+ struct cmd_header *resp)
+{
+ struct cmd_ds_802_11_scan_rsp *scanresp = (void *)resp;
+ int bsssize;
+ const u8 *pos;
+ u16 nr_sets;
+ const u8 *tsfdesc;
+ int tsfsize;
+ int i;
+ int ret = -EILSEQ;
+
+ lbs_deb_enter(LBS_DEB_CFG80211);
+
+ bsssize = get_unaligned_le16(&scanresp->bssdescriptsize);
+ nr_sets = le16_to_cpu(resp->size);
+
+ /*
+ * The general layout of the scan response is described in chapter
+ * 5.7.1. Basically we have a common part, then any number of BSS
+ * descriptor sections. Finally we have section with the same number
+ * of TSFs.
+ *
+ * cmd_ds_802_11_scan_rsp
+ * cmd_header
+ * pos_size
+ * nr_sets
+ * bssdesc 1
+ * bssid
+ * rssi
+ * timestamp
+ * intvl
+ * capa
+ * IEs
+ * bssdesc 2
+ * bssdesc n
+ * MrvlIEtypes_TsfFimestamp_t
+ * TSF for BSS 1
+ * TSF for BSS 2
+ * TSF for BSS n
+ */
+
+ pos = scanresp->bssdesc_and_tlvbuffer;
+
+ tsfdesc = pos + bsssize;
+ tsfsize = 4 + 8 * scanresp->nr_sets;
+
+ /* Validity check: we expect a Marvell-Local TLV */
+ i = get_unaligned_le16(tsfdesc);
+ tsfdesc += 2;
+ if (i != TLV_TYPE_TSFTIMESTAMP)
+ goto done;
+ /* Validity check: the TLV holds TSF values with 8 bytes each, so
+ * the size in the TLV must match the nr_sets value */
+ i = get_unaligned_le16(tsfdesc);
+ tsfdesc += 2;
+ if (i / 8 != scanresp->nr_sets)
+ goto done;
+
+ for (i = 0; i < scanresp->nr_sets; i++) {
+ const u8 *bssid;
+ const u8 *ie;
+ int left;
+ int ielen;
+ int rssi;
+ u16 intvl;
+ u16 capa;
+ int chan_no = -1;
+ const u8 *ssid = NULL;
+ u8 ssid_len = 0;
+ DECLARE_SSID_BUF(ssid_buf);
+
+ int len = get_unaligned_le16(pos);
+ pos += 2;
+
+ /* BSSID */
+ bssid = pos;
+ pos += ETH_ALEN;
+ /* RSSI */
+ rssi = *pos++;
+ /* Packet time stamp */
+ pos += 8;
+ /* Beacon interval */
+ intvl = get_unaligned_le16(pos);
+ pos += 2;
+ /* Capabilities */
+ capa = get_unaligned_le16(pos);
+ pos += 2;
+
+ /* To find out the channel, we must parse the IEs */
+ ie = pos;
+ /* 6+1+8+2+2: size of BSSID, RSSI, time stamp, beacon
+ interval, capabilities */
+ ielen = left = len - (6 + 1 + 8 + 2 + 2);
+ while (left >= 2) {
+ u8 id, elen;
+ id = *pos++;
+ elen = *pos++;
+ left -= 2;
+ if (elen > left || elen == 0)
+ goto done;
+ if (id == WLAN_EID_DS_PARAMS)
+ chan_no = *pos;
+ if (id == WLAN_EID_SSID) {
+ ssid = pos;
+ ssid_len = elen;
+ }
+ left -= elen;
+ pos += elen;
+ }
+
+ /* No channel, no luck */
+ if (chan_no != -1) {
+ struct wiphy *wiphy = priv->wdev->wiphy;
+ int freq = ieee80211_channel_to_frequency(chan_no);
+ struct ieee80211_channel *channel =
+ ieee80211_get_channel(wiphy, freq);
+
+ lbs_deb_scan("scan: %pM, capa %04x, chan %2d, %s, "
+ "%d dBm\n",
+ bssid, capa, chan_no,
+ print_ssid(ssid_buf, ssid, ssid_len),
+ LBS_SCAN_RSSI_TO_MBM(rssi)/100);
+
+ if (channel ||
+ !(channel->flags & IEEE80211_CHAN_DISABLED))
+ cfg80211_inform_bss(wiphy, channel,
+ bssid, le64_to_cpu(*(__le64 *)tsfdesc),
+ capa, intvl, ie, ielen,
+ LBS_SCAN_RSSI_TO_MBM(rssi),
+ GFP_KERNEL);
+ }
+ tsfdesc += 8;
+ }
+ ret = 0;
+
+ done:
+ lbs_deb_leave_args(LBS_DEB_SCAN, "ret %d", ret);
+ return ret;
+}
+
+
+/*
+ * Our scan command contains a TLV, consting of a SSID TLV, a channel list
+ * TLV and a rates TLV. Determine the maximum size of them:
+ */
+#define LBS_SCAN_MAX_CMD_SIZE \
+ (sizeof(struct cmd_ds_802_11_scan) \
+ + LBS_MAX_SSID_TLV_SIZE \
+ + LBS_MAX_CHANNEL_LIST_TLV_SIZE \
+ + LBS_MAX_RATES_TLV_SIZE)
+
+/*
+ * Assumes priv->scan_req is initialized and valid
+ * Assumes priv->scan_channel is initialized
+ */
+static void lbs_scan_worker(struct work_struct *work)
+{
+ struct lbs_private *priv =
+ container_of(work, struct lbs_private, scan_work.work);
+ struct cmd_ds_802_11_scan *scan_cmd;
+ u8 *tlv; /* pointer into our current, growing TLV storage area */
+ int last_channel;
+ int running, carrier;
+
+ lbs_deb_enter(LBS_DEB_SCAN);
+
+ scan_cmd = kzalloc(LBS_SCAN_MAX_CMD_SIZE, GFP_KERNEL);
+ if (scan_cmd == NULL)
+ goto out_no_scan_cmd;
+
+ /* prepare fixed part of scan command */
+ scan_cmd->bsstype = CMD_BSS_TYPE_ANY;
+
+ /* stop network while we're away from our main channel */
+ running = !netif_queue_stopped(priv->dev);
+ carrier = netif_carrier_ok(priv->dev);
+ if (running)
+ netif_stop_queue(priv->dev);
+ if (carrier)
+ netif_carrier_off(priv->dev);
+
+ /* prepare fixed part of scan command */
+ tlv = scan_cmd->tlvbuffer;
+
+ /* add SSID TLV */
+ if (priv->scan_req->n_ssids)
+ tlv += lbs_add_ssid_tlv(tlv,
+ priv->scan_req->ssids[0].ssid,
+ priv->scan_req->ssids[0].ssid_len);
+
+ /* add channel TLVs */
+ last_channel = priv->scan_channel + LBS_SCAN_BEFORE_NAP;
+ if (last_channel > priv->scan_req->n_channels)
+ last_channel = priv->scan_req->n_channels;
+ tlv += lbs_add_channel_list_tlv(priv, tlv, last_channel,
+ priv->scan_req->n_ssids);
+
+ /* add rates TLV */
+ tlv += lbs_add_supported_rates_tlv(tlv);
+
+ if (priv->scan_channel < priv->scan_req->n_channels) {
+ cancel_delayed_work(&priv->scan_work);
+ queue_delayed_work(priv->work_thread, &priv->scan_work,
+ msecs_to_jiffies(300));
+ }
+
+ /* This is the final data we are about to send */
+ scan_cmd->hdr.size = cpu_to_le16(tlv - (u8 *)scan_cmd);
+ lbs_deb_hex(LBS_DEB_SCAN, "SCAN_CMD", (void *)scan_cmd,
+ sizeof(*scan_cmd));
+ lbs_deb_hex(LBS_DEB_SCAN, "SCAN_TLV", scan_cmd->tlvbuffer,
+ tlv - scan_cmd->tlvbuffer);
+
+ __lbs_cmd(priv, CMD_802_11_SCAN, &scan_cmd->hdr,
+ le16_to_cpu(scan_cmd->hdr.size),
+ lbs_ret_scan, 0);
+
+ if (priv->scan_channel >= priv->scan_req->n_channels) {
+ /* Mark scan done */
+ cfg80211_scan_done(priv->scan_req, false);
+ priv->scan_req = NULL;
+ }
+
+ /* Restart network */
+ if (carrier)
+ netif_carrier_on(priv->dev);
+ if (running && !priv->tx_pending_len)
+ netif_wake_queue(priv->dev);
+
+ kfree(scan_cmd);
+
+ out_no_scan_cmd:
+ lbs_deb_leave(LBS_DEB_SCAN);
+}
+
+
+static int lbs_cfg_scan(struct wiphy *wiphy,
+ struct net_device *dev,
+ struct cfg80211_scan_request *request)
+{
+ struct lbs_private *priv = wiphy_priv(wiphy);
+ int ret = 0;
+
+ lbs_deb_enter(LBS_DEB_CFG80211);
+
+ if (priv->scan_req || delayed_work_pending(&priv->scan_work)) {
+ /* old scan request not yet processed */
+ ret = -EAGAIN;
+ goto out;
+ }
+
+ lbs_deb_scan("scan: ssids %d, channels %d, ie_len %d\n",
+ request->n_ssids, request->n_channels, request->ie_len);
+
+ priv->scan_channel = 0;
+ queue_delayed_work(priv->work_thread, &priv->scan_work,
+ msecs_to_jiffies(50));
+
+ if (priv->surpriseremoved)
+ ret = -EIO;
+
+ priv->scan_req = request;
+
+ out:
+ lbs_deb_leave_args(LBS_DEB_CFG80211, "ret %d", ret);
+ return ret;
+}
+
+
+
+
+/***************************************************************************
+ * Events
+ */
+
+void lbs_send_disconnect_notification(struct lbs_private *priv)
+{
+ lbs_deb_enter(LBS_DEB_CFG80211);
+
+ cfg80211_disconnected(priv->dev,
+ 0,
+ NULL, 0,
+ GFP_KERNEL);
+
+ lbs_deb_leave(LBS_DEB_CFG80211);
+}
+
+void lbs_send_mic_failureevent(struct lbs_private *priv, u32 event)
+{
+ lbs_deb_enter(LBS_DEB_CFG80211);
+
+ cfg80211_michael_mic_failure(priv->dev,
+ priv->assoc_bss,
+ event == MACREG_INT_CODE_MIC_ERR_MULTICAST ?
+ NL80211_KEYTYPE_GROUP :
+ NL80211_KEYTYPE_PAIRWISE,
+ -1,
+ NULL,
+ GFP_KERNEL);
+
+ lbs_deb_leave(LBS_DEB_CFG80211);
+}
+
+
+
+
+/***************************************************************************
+ * Connect/disconnect
+ */
+
+
+/*
+ * This removes all WEP keys
+ */
+static int lbs_remove_wep_keys(struct lbs_private *priv)
+{
+ struct cmd_ds_802_11_set_wep cmd;
+ int ret;
+
+ lbs_deb_enter(LBS_DEB_CFG80211);
+
+ memset(&cmd, 0, sizeof(cmd));
+ cmd.hdr.size = cpu_to_le16(sizeof(cmd));
+ cmd.keyindex = cpu_to_le16(priv->wep_tx_key);
+ cmd.action = cpu_to_le16(CMD_ACT_REMOVE);
+
+ ret = lbs_cmd_with_response(priv, CMD_802_11_SET_WEP, &cmd);
+
+ lbs_deb_leave(LBS_DEB_CFG80211);
+ return ret;
+}
+
+/*
+ * Set WEP keys
+ */
+static int lbs_set_wep_keys(struct lbs_private *priv)
+{
+ struct cmd_ds_802_11_set_wep cmd;
+ int i;
+ int ret;
+
+ lbs_deb_enter(LBS_DEB_CFG80211);
+
+ /*
+ * command 13 00
+ * size 50 00
+ * sequence xx xx
+ * result 00 00
+ * action 02 00 ACT_ADD
+ * transmit key 00 00
+ * type for key 1 01 WEP40
+ * type for key 2 00
+ * type for key 3 00
+ * type for key 4 00
+ * key 1 39 39 39 39 39 00 00 00
+ * 00 00 00 00 00 00 00 00
+ * key 2 00 00 00 00 00 00 00 00
+ * 00 00 00 00 00 00 00 00
+ * key 3 00 00 00 00 00 00 00 00
+ * 00 00 00 00 00 00 00 00
+ * key 4 00 00 00 00 00 00 00 00
+ */
+ if (priv->wep_key_len[0] || priv->wep_key_len[1] ||
+ priv->wep_key_len[2] || priv->wep_key_len[3]) {
+ /* Only set wep keys if we have at least one of them */
+ memset(&cmd, 0, sizeof(cmd));
+ cmd.hdr.size = cpu_to_le16(sizeof(cmd));
+ cmd.keyindex = cpu_to_le16(priv->wep_tx_key);
+ cmd.action = cpu_to_le16(CMD_ACT_ADD);
+
+ for (i = 0; i < 4; i++) {
+ switch (priv->wep_key_len[i]) {
+ case WLAN_KEY_LEN_WEP40:
+ cmd.keytype[i] = CMD_TYPE_WEP_40_BIT;
+ break;
+ case WLAN_KEY_LEN_WEP104:
+ cmd.keytype[i] = CMD_TYPE_WEP_104_BIT;
+ break;
+ default:
+ cmd.keytype[i] = 0;
+ break;
+ }
+ memcpy(cmd.keymaterial[i], priv->wep_key[i],
+ priv->wep_key_len[i]);
+ }
+
+ ret = lbs_cmd_with_response(priv, CMD_802_11_SET_WEP, &cmd);
+ } else {
+ /* Otherwise remove all wep keys */
+ ret = lbs_remove_wep_keys(priv);
+ }
+
+ lbs_deb_leave(LBS_DEB_CFG80211);
+ return ret;
+}
+
+
+/*
+ * Enable/Disable RSN status
+ */
+static int lbs_enable_rsn(struct lbs_private *priv, int enable)
+{
+ struct cmd_ds_802_11_enable_rsn cmd;
+ int ret;
+
+ lbs_deb_enter_args(LBS_DEB_CFG80211, "%d", enable);
+
+ /*
+ * cmd 2f 00
+ * size 0c 00
+ * sequence xx xx
+ * result 00 00
+ * action 01 00 ACT_SET
+ * enable 01 00
+ */
+ memset(&cmd, 0, sizeof(cmd));
+ cmd.hdr.size = cpu_to_le16(sizeof(cmd));
+ cmd.action = cpu_to_le16(CMD_ACT_SET);
+ cmd.enable = cpu_to_le16(enable);
+
+ ret = lbs_cmd_with_response(priv, CMD_802_11_ENABLE_RSN, &cmd);
+
+ lbs_deb_leave(LBS_DEB_CFG80211);
+ return ret;
+}
+
+
+/*
+ * Set WPA/WPA key material
+ */
+
+/* like "struct cmd_ds_802_11_key_material", but with cmd_header. Once we
+ * get rid of WEXT, this should go into host.h */
+
+struct cmd_key_material {
+ struct cmd_header hdr;
+
+ __le16 action;
+ struct MrvlIEtype_keyParamSet param;
+} __attribute__ ((packed));
+
+static int lbs_set_key_material(struct lbs_private *priv,
+ int key_type,
+ int key_info,
+ u8 *key, u16 key_len)
+{
+ struct cmd_key_material cmd;
+ int ret;
+
+ lbs_deb_enter(LBS_DEB_CFG80211);
+
+ /*
+ * Example for WPA (TKIP):
+ *
+ * cmd 5e 00
+ * size 34 00
+ * sequence xx xx
+ * result 00 00
+ * action 01 00
+ * TLV type 00 01 key param
+ * length 00 26
+ * key type 01 00 TKIP
+ * key info 06 00 UNICAST | ENABLED
+ * key len 20 00
+ * key 32 bytes
+ */
+ memset(&cmd, 0, sizeof(cmd));
+ cmd.hdr.size = cpu_to_le16(sizeof(cmd));
+ cmd.action = cpu_to_le16(CMD_ACT_SET);
+ cmd.param.type = cpu_to_le16(TLV_TYPE_KEY_MATERIAL);
+ cmd.param.length = cpu_to_le16(sizeof(cmd.param) - 4);
+ cmd.param.keytypeid = cpu_to_le16(key_type);
+ cmd.param.keyinfo = cpu_to_le16(key_info);
+ cmd.param.keylen = cpu_to_le16(key_len);
+ if (key && key_len)
+ memcpy(cmd.param.key, key, key_len);
+
+ ret = lbs_cmd_with_response(priv, CMD_802_11_KEY_MATERIAL, &cmd);
+
+ lbs_deb_leave(LBS_DEB_CFG80211);
+ return ret;
+}
+
+
+/*
+ * Sets the auth type (open, shared, etc) in the firmware. That
+ * we use CMD_802_11_AUTHENTICATE is misleading, this firmware
+ * command doesn't send an authentication frame at all, it just
+ * stores the auth_type.
+ */
+static int lbs_set_authtype(struct lbs_private *priv,
+ struct cfg80211_connect_params *sme)
+{
+ struct cmd_ds_802_11_authenticate cmd;
+ int ret;
+
+ lbs_deb_enter_args(LBS_DEB_CFG80211, "%d", sme->auth_type);
+
+ /*
+ * cmd 11 00
+ * size 19 00
+ * sequence xx xx
+ * result 00 00
+ * BSS id 00 13 19 80 da 30
+ * auth type 00
+ * reserved 00 00 00 00 00 00 00 00 00 00
+ */
+ memset(&cmd, 0, sizeof(cmd));
+ cmd.hdr.size = cpu_to_le16(sizeof(cmd));
+ if (sme->bssid)
+ memcpy(cmd.bssid, sme->bssid, ETH_ALEN);
+ /* convert auth_type */
+ ret = lbs_auth_to_authtype(sme->auth_type);
+ if (ret < 0)
+ goto done;
+
+ cmd.authtype = ret;
+ ret = lbs_cmd_with_response(priv, CMD_802_11_AUTHENTICATE, &cmd);
+
+ done:
+ lbs_deb_leave_args(LBS_DEB_CFG80211, "ret %d", ret);
+ return ret;
+}
+
+
+/*
+ * Create association request
+ */
+#define LBS_ASSOC_MAX_CMD_SIZE \
+ (sizeof(struct cmd_ds_802_11_associate) \
+ - 512 /* cmd_ds_802_11_associate.iebuf */ \
+ + LBS_MAX_SSID_TLV_SIZE \
+ + LBS_MAX_CHANNEL_TLV_SIZE \
+ + LBS_MAX_CF_PARAM_TLV_SIZE \
+ + LBS_MAX_AUTH_TYPE_TLV_SIZE \
+ + LBS_MAX_WPA_TLV_SIZE)
+
+static int lbs_associate(struct lbs_private *priv,
+ struct cfg80211_bss *bss,
+ struct cfg80211_connect_params *sme)
+{
+ struct cmd_ds_802_11_associate_response *resp;
+ struct cmd_ds_802_11_associate *cmd = kzalloc(LBS_ASSOC_MAX_CMD_SIZE,
+ GFP_KERNEL);
+ const u8 *ssid_eid;
+ size_t len, resp_ie_len;
+ int status;
+ int ret;
+ u8 *pos = &(cmd->iebuf[0]);
+
+ lbs_deb_enter(LBS_DEB_CFG80211);
+
+ if (!cmd) {
+ ret = -ENOMEM;
+ goto done;
+ }
+
+ /*
+ * cmd 50 00
+ * length 34 00
+ * sequence xx xx
+ * result 00 00
+ * BSS id 00 13 19 80 da 30
+ * capabilities 11 00
+ * listen interval 0a 00
+ * beacon interval 00 00
+ * DTIM period 00
+ * TLVs xx (up to 512 bytes)
+ */
+ cmd->hdr.command = cpu_to_le16(CMD_802_11_ASSOCIATE);
+
+ /* Fill in static fields */
+ memcpy(cmd->bssid, bss->bssid, ETH_ALEN);
+ cmd->listeninterval = cpu_to_le16(MRVDRV_DEFAULT_LISTEN_INTERVAL);
+ cmd->capability = cpu_to_le16(bss->capability);
+
+ /* add SSID TLV */
+ ssid_eid = ieee80211_bss_get_ie(bss, WLAN_EID_SSID);
+ if (ssid_eid)
+ pos += lbs_add_ssid_tlv(pos, ssid_eid + 2, ssid_eid[1]);
+ else
+ lbs_deb_assoc("no SSID\n");
+
+ /* add DS param TLV */
+ if (bss->channel)
+ pos += lbs_add_channel_tlv(pos, bss->channel->hw_value);
+ else
+ lbs_deb_assoc("no channel\n");
+
+ /* add (empty) CF param TLV */
+ pos += lbs_add_cf_param_tlv(pos);
+
+ /* add rates TLV */
+ pos += lbs_add_common_rates_tlv(pos, bss);
+
+ /* add auth type TLV */
+ if (priv->fwrelease >= 0x09000000)
+ pos += lbs_add_auth_type_tlv(pos, sme->auth_type);
+
+ /* add WPA/WPA2 TLV */
+ if (sme->ie && sme->ie_len)
+ pos += lbs_add_wpa_tlv(pos, sme->ie, sme->ie_len);
+
+ len = (sizeof(*cmd) - sizeof(cmd->iebuf)) +
+ (u16)(pos - (u8 *) &cmd->iebuf);
+ cmd->hdr.size = cpu_to_le16(len);
+
+ /* store for later use */
+ memcpy(priv->assoc_bss, bss->bssid, ETH_ALEN);
+
+ ret = lbs_cmd_with_response(priv, CMD_802_11_ASSOCIATE, cmd);
+ if (ret)
+ goto done;
+
+
+ /* generate connect message to cfg80211 */
+
+ resp = (void *) cmd; /* recast for easier field access */
+ status = le16_to_cpu(resp->statuscode);
+
+ /* Convert statis code of old firmware */
+ if (priv->fwrelease < 0x09000000)
+ switch (status) {
+ case 0:
+ break;
+ case 1:
+ lbs_deb_assoc("invalid association parameters\n");
+ status = WLAN_STATUS_CAPS_UNSUPPORTED;
+ break;
+ case 2:
+ lbs_deb_assoc("timer expired while waiting for AP\n");
+ status = WLAN_STATUS_AUTH_TIMEOUT;
+ break;
+ case 3:
+ lbs_deb_assoc("association refused by AP\n");
+ status = WLAN_STATUS_ASSOC_DENIED_UNSPEC;
+ break;
+ case 4:
+ lbs_deb_assoc("authentication refused by AP\n");
+ status = WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION;
+ break;
+ default:
+ lbs_deb_assoc("association failure %d\n", status);
+ status = WLAN_STATUS_UNSPECIFIED_FAILURE;
+ }
+
+ lbs_deb_assoc("status %d, capability 0x%04x\n", status,
+ le16_to_cpu(resp->capability));
+
+ resp_ie_len = le16_to_cpu(resp->hdr.size)
+ - sizeof(resp->hdr)
+ - 6;
+ cfg80211_connect_result(priv->dev,
+ priv->assoc_bss,
+ sme->ie, sme->ie_len,
+ resp->iebuf, resp_ie_len,
+ status,
+ GFP_KERNEL);
+
+ if (status == 0) {
+ /* TODO: get rid of priv->connect_status */
+ priv->connect_status = LBS_CONNECTED;
+ netif_carrier_on(priv->dev);
+ if (!priv->tx_pending_len)
+ netif_tx_wake_all_queues(priv->dev);
+ }
+
+
+done:
+ lbs_deb_leave_args(LBS_DEB_CFG80211, "ret %d", ret);
+ return ret;
+}
+
+
+
+static int lbs_cfg_connect(struct wiphy *wiphy, struct net_device *dev,
+ struct cfg80211_connect_params *sme)
+{
+ struct lbs_private *priv = wiphy_priv(wiphy);
+ struct cfg80211_bss *bss = NULL;
+ int ret = 0;
+ u8 preamble = RADIO_PREAMBLE_SHORT;
+
+ lbs_deb_enter(LBS_DEB_CFG80211);
+
+ if (sme->bssid) {
+ bss = cfg80211_get_bss(wiphy, sme->channel, sme->bssid,
+ sme->ssid, sme->ssid_len,
+ WLAN_CAPABILITY_ESS, WLAN_CAPABILITY_ESS);
+ } else {
+ /*
+ * Here we have an impedance mismatch. The firmware command
+ * CMD_802_11_ASSOCIATE always needs a BSSID, it cannot
+ * connect otherwise. However, for the connect-API of
+ * cfg80211 the bssid is purely optional. We don't get one,
+ * except the user specifies one on the "iw" command line.
+ *
+ * If we don't got one, we could initiate a scan and look
+ * for the best matching cfg80211_bss entry.
+ *
+ * Or, better yet, net/wireless/sme.c get's rewritten into
+ * something more generally useful.
+ */
+ lbs_pr_err("TODO: no BSS specified\n");
+ ret = -ENOTSUPP;
+ goto done;
+ }
+
+
+ if (!bss) {
+ lbs_pr_err("assicate: bss %pM not in scan results\n",
+ sme->bssid);
+ ret = -ENOENT;
+ goto done;
+ }
+ lbs_deb_assoc("trying %pM", sme->bssid);
+ lbs_deb_assoc("cipher 0x%x, key index %d, key len %d\n",
+ sme->crypto.cipher_group,
+ sme->key_idx, sme->key_len);
+
+ /* As this is a new connection, clear locally stored WEP keys */
+ priv->wep_tx_key = 0;
+ memset(priv->wep_key, 0, sizeof(priv->wep_key));
+ memset(priv->wep_key_len, 0, sizeof(priv->wep_key_len));
+
+ /* set/remove WEP keys */
+ switch (sme->crypto.cipher_group) {
+ case WLAN_CIPHER_SUITE_WEP40:
+ case WLAN_CIPHER_SUITE_WEP104:
+ /* Store provided WEP keys in priv-> */
+ priv->wep_tx_key = sme->key_idx;
+ priv->wep_key_len[sme->key_idx] = sme->key_len;
+ memcpy(priv->wep_key[sme->key_idx], sme->key, sme->key_len);
+ /* Set WEP keys and WEP mode */
+ lbs_set_wep_keys(priv);
+ priv->mac_control |= CMD_ACT_MAC_WEP_ENABLE;
+ lbs_set_mac_control(priv);
+ /* No RSN mode for WEP */
+ lbs_enable_rsn(priv, 0);
+ break;
+ case 0: /* there's no WLAN_CIPHER_SUITE_NONE definition */
+ /*
+ * If we don't have no WEP, no WPA and no WPA2,
+ * we remove all keys like in the WPA/WPA2 setup,
+ * we just don't set RSN.
+ *
+ * Therefore: fall-throught
+ */
+ case WLAN_CIPHER_SUITE_TKIP:
+ case WLAN_CIPHER_SUITE_CCMP:
+ /* Remove WEP keys and WEP mode */
+ lbs_remove_wep_keys(priv);
+ priv->mac_control &= ~CMD_ACT_MAC_WEP_ENABLE;
+ lbs_set_mac_control(priv);
+
+ /* clear the WPA/WPA2 keys */
+ lbs_set_key_material(priv,
+ KEY_TYPE_ID_WEP, /* doesn't matter */
+ KEY_INFO_WPA_UNICAST,
+ NULL, 0);
+ lbs_set_key_material(priv,
+ KEY_TYPE_ID_WEP, /* doesn't matter */
+ KEY_INFO_WPA_MCAST,
+ NULL, 0);
+ /* RSN mode for WPA/WPA2 */
+ lbs_enable_rsn(priv, sme->crypto.cipher_group != 0);
+ break;
+ default:
+ lbs_pr_err("unsupported cipher group 0x%x\n",
+ sme->crypto.cipher_group);
+ ret = -ENOTSUPP;
+ goto done;
+ }
+
+ lbs_set_authtype(priv, sme);
+ lbs_set_radio(priv, preamble, 1);
+
+ /* Do the actual association */
+ lbs_associate(priv, bss, sme);
+
+ done:
+ if (bss)
+ cfg80211_put_bss(bss);
+ lbs_deb_leave_args(LBS_DEB_CFG80211, "ret %d", ret);
+ return ret;
+}
+
+
+
+
+/* callback from lbs_cfg_disconnect() */
+static int lbs_cfg_ret_disconnect(struct lbs_private *priv, unsigned long dummy,
+ struct cmd_header *resp)
+{
+ lbs_deb_enter(LBS_DEB_CFG80211);
+
+ cfg80211_disconnected(priv->dev,
+ priv->disassoc_reason,
+ NULL, 0, /* TODO? */
+ GFP_KERNEL);
+
+ /* TODO: get rid of priv->connect_status */
+ priv->connect_status = LBS_CONNECTED;
+
+ lbs_deb_leave(LBS_DEB_CFG80211);
+ return 0;
+}
+
+
+static int lbs_cfg_disconnect(struct wiphy *wiphy, struct net_device *dev,
+ u16 reason_code)
+{
+ struct lbs_private *priv = wiphy_priv(wiphy);
+ struct cmd_ds_802_11_deauthenticate cmd;
- lbs_deb_enter_args(LBS_DEB_CFG80211, "freq %d, type %d", chan->center_freq, channel_type);
+ lbs_deb_enter_args(LBS_DEB_CFG80211, "reason_code %d", reason_code);
- if (channel_type != NL80211_CHAN_NO_HT)
+ /* store for lbs_cfg_ret_disconnect() */
+ priv->disassoc_reason = reason_code;
+
+ memset(&cmd, 0, sizeof(cmd));
+ cmd.hdr.size = cpu_to_le16(sizeof(cmd));
+ /* Mildly ugly to use a locally store my own BSSID ... */
+ memcpy(cmd.macaddr, &priv->assoc_bss, ETH_ALEN);
+ cmd.reasoncode = cpu_to_le16(reason_code);
+
+ __lbs_cmd_async(priv, CMD_802_11_DEAUTHENTICATE,
+ &cmd.hdr, sizeof(cmd),
+ lbs_cfg_ret_disconnect, 0);
+
+ return 0;
+}
+
+
+static int lbs_cfg_set_default_key(struct wiphy *wiphy,
+ struct net_device *netdev,
+ u8 key_index)
+{
+ struct lbs_private *priv = wiphy_priv(wiphy);
+
+ lbs_deb_enter(LBS_DEB_CFG80211);
+
+ if (key_index != priv->wep_tx_key) {
+ lbs_deb_assoc("set_default_key: to %d\n", key_index);
+ priv->wep_tx_key = key_index;
+ lbs_set_wep_keys(priv);
+ }
+
+ return 0;
+}
+
+
+static int lbs_cfg_add_key(struct wiphy *wiphy, struct net_device *netdev,
+ u8 idx, const u8 *mac_addr,
+ struct key_params *params)
+{
+ struct lbs_private *priv = wiphy_priv(wiphy);
+ u16 key_info;
+ u16 key_type;
+ int ret = 0;
+
+ lbs_deb_enter(LBS_DEB_CFG80211);
+
+ lbs_deb_assoc("add_key: cipher 0x%x, mac_addr %pM\n",
+ params->cipher, mac_addr);
+ lbs_deb_assoc("add_key: key index %d, key len %d\n",
+ idx, params->key_len);
+ if (params->key_len)
+ lbs_deb_hex(LBS_DEB_CFG80211, "KEY",
+ params->key, params->key_len);
+
+ lbs_deb_assoc("add_key: seq len %d\n", params->seq_len);
+ if (params->seq_len)
+ lbs_deb_hex(LBS_DEB_CFG80211, "SEQ",
+ params->seq, params->seq_len);
+
+ switch (params->cipher) {
+ case WLAN_CIPHER_SUITE_WEP40:
+ case WLAN_CIPHER_SUITE_WEP104:
+ /* actually compare if something has changed ... */
+ if ((priv->wep_key_len[idx] != params->key_len) ||
+ memcmp(priv->wep_key[idx],
+ params->key, params->key_len) != 0) {
+ priv->wep_key_len[idx] = params->key_len;
+ memcpy(priv->wep_key[idx],
+ params->key, params->key_len);
+ lbs_set_wep_keys(priv);
+ }
+ break;
+ case WLAN_CIPHER_SUITE_TKIP:
+ case WLAN_CIPHER_SUITE_CCMP:
+ key_info = KEY_INFO_WPA_ENABLED | ((idx == 0)
+ ? KEY_INFO_WPA_UNICAST
+ : KEY_INFO_WPA_MCAST);
+ key_type = (params->cipher == WLAN_CIPHER_SUITE_TKIP)
+ ? KEY_TYPE_ID_TKIP
+ : KEY_TYPE_ID_AES;
+ lbs_set_key_material(priv,
+ key_type,
+ key_info,
+ params->key, params->key_len);
+ break;
+ default:
+ lbs_pr_err("unhandled cipher 0x%x\n", params->cipher);
+ ret = -ENOTSUPP;
+ break;
+ }
+
+ return ret;
+}
+
+
+static int lbs_cfg_del_key(struct wiphy *wiphy, struct net_device *netdev,
+ u8 key_index, const u8 *mac_addr)
+{
+
+ lbs_deb_enter(LBS_DEB_CFG80211);
+
+ lbs_deb_assoc("del_key: key_idx %d, mac_addr %pM\n",
+ key_index, mac_addr);
+
+#ifdef TODO
+ struct lbs_private *priv = wiphy_priv(wiphy);
+ /*
+ * I think can keep this a NO-OP, because:
+
+ * - we clear all keys whenever we do lbs_cfg_connect() anyway
+ * - neither "iw" nor "wpa_supplicant" won't call this during
+ * an ongoing connection
+ * - TODO: but I have to check if this is still true when
+ * I set the AP to periodic re-keying
+ * - we've not kzallec() something when we've added a key at
+ * lbs_cfg_connect() or lbs_cfg_add_key().
+ *
+ * This causes lbs_cfg_del_key() only called at disconnect time,
+ * where we'd just waste time deleting a key that is not going
+ * to be used anyway.
+ */
+ if (key_index < 3 && priv->wep_key_len[key_index]) {
+ priv->wep_key_len[key_index] = 0;
+ lbs_set_wep_keys(priv);
+ }
+#endif
+
+ return 0;
+}
+
+
+
+/***************************************************************************
+ * Monitor mode
+ */
+
+/* like "struct cmd_ds_802_11_monitor_mode", but with cmd_header. Once we
+ * get rid of WEXT, this should go into host.h */
+struct cmd_monitor_mode {
+ struct cmd_header hdr;
+
+ __le16 action;
+ __le16 mode;
+} __attribute__ ((packed));
+
+static int lbs_enable_monitor_mode(struct lbs_private *priv, int mode)
+{
+ struct cmd_monitor_mode cmd;
+ int ret;
+
+ lbs_deb_enter(LBS_DEB_CFG80211);
+
+ /*
+ * cmd 98 00
+ * size 0c 00
+ * sequence xx xx
+ * result 00 00
+ * action 01 00 ACT_SET
+ * enable 01 00
+ */
+ memset(&cmd, 0, sizeof(cmd));
+ cmd.hdr.size = cpu_to_le16(sizeof(cmd));
+ cmd.action = cpu_to_le16(CMD_ACT_SET);
+ cmd.mode = cpu_to_le16(mode);
+
+ ret = lbs_cmd_with_response(priv, CMD_802_11_MONITOR_MODE, &cmd);
+
+ if (ret == 0)
+ priv->dev->type = ARPHRD_IEEE80211_RADIOTAP;
+ else
+ priv->dev->type = ARPHRD_ETHER;
+
+ lbs_deb_leave(LBS_DEB_CFG80211);
+ return ret;
+}
+
+
+
+
+
+
+/***************************************************************************
+ * Get station
+ */
+
+/*
+ * Returns the signal or 0 in case of an error.
+ */
+
+/* like "struct cmd_ds_802_11_rssi", but with cmd_header. Once we get rid
+ * of WEXT, this should go into host.h */
+struct cmd_rssi {
+ struct cmd_header hdr;
+
+ __le16 n_or_snr;
+ __le16 nf;
+ __le16 avg_snr;
+ __le16 avg_nf;
+} __attribute__ ((packed));
+
+static int lbs_get_signal(struct lbs_private *priv, s8 *signal, s8 *noise)
+{
+ struct cmd_rssi cmd;
+ int ret;
+
+ cmd.hdr.size = cpu_to_le16(sizeof(cmd));
+ cmd.n_or_snr = cpu_to_le16(DEFAULT_BCN_AVG_FACTOR);
+ ret = lbs_cmd_with_response(priv, CMD_802_11_RSSI, &cmd);
+
+ if (ret == 0) {
+ *signal = CAL_RSSI(le16_to_cpu(cmd.n_or_snr),
+ le16_to_cpu(cmd.nf));
+ *noise = CAL_NF(le16_to_cpu(cmd.nf));
+ }
+ return ret;
+}
+
+
+static int lbs_cfg_get_station(struct wiphy *wiphy, struct net_device *dev,
+ u8 *mac, struct station_info *sinfo)
+{
+ struct lbs_private *priv = wiphy_priv(wiphy);
+ s8 signal, noise;
+ int ret;
+ size_t i;
+
+ lbs_deb_enter(LBS_DEB_CFG80211);
+
+ sinfo->filled |= STATION_INFO_TX_BYTES |
+ STATION_INFO_TX_PACKETS |
+ STATION_INFO_RX_BYTES |
+ STATION_INFO_RX_PACKETS;
+ sinfo->tx_bytes = priv->dev->stats.tx_bytes;
+ sinfo->tx_packets = priv->dev->stats.tx_packets;
+ sinfo->rx_bytes = priv->dev->stats.rx_bytes;
+ sinfo->rx_packets = priv->dev->stats.rx_packets;
+
+ /* Get current RSSI */
+ ret = lbs_get_signal(priv, &signal, &noise);
+ if (ret == 0) {
+ sinfo->signal = signal;
+ sinfo->filled |= STATION_INFO_SIGNAL;
+ }
+
+ /* Convert priv->cur_rate from hw_value to NL80211 value */
+ for (i = 0; i < ARRAY_SIZE(lbs_rates); i++) {
+ if (priv->cur_rate == lbs_rates[i].hw_value) {
+ sinfo->txrate.legacy = lbs_rates[i].bitrate;
+ sinfo->filled |= STATION_INFO_TX_BITRATE;
+ break;
+ }
+ }
+
+ return 0;
+}
+
+
+
+
+/***************************************************************************
+ * "Site survey", here just current channel and noise level
+ */
+
+static int lbs_get_survey(struct wiphy *wiphy, struct net_device *dev,
+ int idx, struct survey_info *survey)
+{
+ struct lbs_private *priv = wiphy_priv(wiphy);
+ s8 signal, noise;
+ int ret;
+
+ if (idx != 0)
+ ret = -ENOENT;
+
+ lbs_deb_enter(LBS_DEB_CFG80211);
+
+ survey->channel = ieee80211_get_channel(wiphy,
+ ieee80211_channel_to_frequency(priv->channel));
+
+ ret = lbs_get_signal(priv, &signal, &noise);
+ if (ret == 0) {
+ survey->filled = SURVEY_INFO_NOISE_DBM;
+ survey->noise = noise;
+ }
+
+ lbs_deb_leave_args(LBS_DEB_CFG80211, "ret %d", ret);
+ return ret;
+}
+
+
+
+
+/***************************************************************************
+ * Change interface
+ */
+
+static int lbs_change_intf(struct wiphy *wiphy, struct net_device *dev,
+ enum nl80211_iftype type, u32 *flags,
+ struct vif_params *params)
+{
+ struct lbs_private *priv = wiphy_priv(wiphy);
+ int ret = 0;
+
+ lbs_deb_enter(LBS_DEB_CFG80211);
+
+ switch (type) {
+ case NL80211_IFTYPE_MONITOR:
+ ret = lbs_enable_monitor_mode(priv, 1);
+ break;
+ case NL80211_IFTYPE_STATION:
+ if (priv->wdev->iftype == NL80211_IFTYPE_MONITOR)
+ ret = lbs_enable_monitor_mode(priv, 0);
+ if (!ret)
+ ret = lbs_set_snmp_mib(priv, SNMP_MIB_OID_BSS_TYPE, 1);
+ break;
+ case NL80211_IFTYPE_ADHOC:
+ if (priv->wdev->iftype == NL80211_IFTYPE_MONITOR)
+ ret = lbs_enable_monitor_mode(priv, 0);
+ if (!ret)
+ ret = lbs_set_snmp_mib(priv, SNMP_MIB_OID_BSS_TYPE, 2);
+ break;
+ default:
+ ret = -ENOTSUPP;
+ }
+
+ if (!ret)
+ priv->wdev->iftype = type;
+
+ lbs_deb_leave_args(LBS_DEB_CFG80211, "ret %d", ret);
+ return ret;
+}
+
+
+
+/***************************************************************************
+ * IBSS (Ad-Hoc)
+ */
+
+/* The firmware needs the following bits masked out of the beacon-derived
+ * capability field when associating/joining to a BSS:
+ * 9 (QoS), 11 (APSD), 12 (unused), 14 (unused), 15 (unused)
+ */
+#define CAPINFO_MASK (~(0xda00))
+
+
+static void lbs_join_post(struct lbs_private *priv,
+ struct cfg80211_ibss_params *params,
+ u8 *bssid, u16 capability)
+{
+ u8 fake_ie[2 + IEEE80211_MAX_SSID_LEN + /* ssid */
+ 2 + 4 + /* basic rates */
+ 2 + 1 + /* DS parameter */
+ 2 + 2 + /* atim */
+ 2 + 8]; /* extended rates */
+ u8 *fake = fake_ie;
+
+ lbs_deb_enter(LBS_DEB_CFG80211);
+
+ /*
+ * For cfg80211_inform_bss, we'll need a fake IE, as we can't get
+ * the real IE from the firmware. So we fabricate a fake IE based on
+ * what the firmware actually sends (sniffed with wireshark).
+ */
+ /* Fake SSID IE */
+ *fake++ = WLAN_EID_SSID;
+ *fake++ = params->ssid_len;
+ memcpy(fake, params->ssid, params->ssid_len);
+ fake += params->ssid_len;
+ /* Fake supported basic rates IE */
+ *fake++ = WLAN_EID_SUPP_RATES;
+ *fake++ = 4;
+ *fake++ = 0x82;
+ *fake++ = 0x84;
+ *fake++ = 0x8b;
+ *fake++ = 0x96;
+ /* Fake DS channel IE */
+ *fake++ = WLAN_EID_DS_PARAMS;
+ *fake++ = 1;
+ *fake++ = params->channel->hw_value;
+ /* Fake IBSS params IE */
+ *fake++ = WLAN_EID_IBSS_PARAMS;
+ *fake++ = 2;
+ *fake++ = 0; /* ATIM=0 */
+ *fake++ = 0;
+ /* Fake extended rates IE, TODO: don't add this for 802.11b only,
+ * but I don't know how this could be checked */
+ *fake++ = WLAN_EID_EXT_SUPP_RATES;
+ *fake++ = 8;
+ *fake++ = 0x0c;
+ *fake++ = 0x12;
+ *fake++ = 0x18;
+ *fake++ = 0x24;
+ *fake++ = 0x30;
+ *fake++ = 0x48;
+ *fake++ = 0x60;
+ *fake++ = 0x6c;
+ lbs_deb_hex(LBS_DEB_CFG80211, "IE", fake_ie, fake - fake_ie);
+
+ cfg80211_inform_bss(priv->wdev->wiphy,
+ params->channel,
+ bssid,
+ 0,
+ capability,
+ params->beacon_interval,
+ fake_ie, fake - fake_ie,
+ 0, GFP_KERNEL);
+ cfg80211_ibss_joined(priv->dev, bssid, GFP_KERNEL);
+
+ /* TODO: consider doing this at MACREG_INT_CODE_LINK_SENSED time */
+ priv->connect_status = LBS_CONNECTED;
+ netif_carrier_on(priv->dev);
+ if (!priv->tx_pending_len)
+ netif_wake_queue(priv->dev);
+
+ lbs_deb_leave(LBS_DEB_CFG80211);
+}
+
+static int lbs_ibss_join_existing(struct lbs_private *priv,
+ struct cfg80211_ibss_params *params,
+ struct cfg80211_bss *bss)
+{
+ const u8 *rates_eid = ieee80211_bss_get_ie(bss, WLAN_EID_SUPP_RATES);
+ struct cmd_ds_802_11_ad_hoc_join cmd;
+ u8 preamble = RADIO_PREAMBLE_SHORT;
+ int ret = 0;
+
+ lbs_deb_enter(LBS_DEB_CFG80211);
+
+ /* TODO: set preamble based on scan result */
+ ret = lbs_set_radio(priv, preamble, 1);
+ if (ret)
+ goto out;
+
+ /*
+ * Example CMD_802_11_AD_HOC_JOIN command:
+ *
+ * command 2c 00 CMD_802_11_AD_HOC_JOIN
+ * size 65 00
+ * sequence xx xx
+ * result 00 00
+ * bssid 02 27 27 97 2f 96
+ * ssid 49 42 53 53 00 00 00 00
+ * 00 00 00 00 00 00 00 00
+ * 00 00 00 00 00 00 00 00
+ * 00 00 00 00 00 00 00 00
+ * type 02 CMD_BSS_TYPE_IBSS
+ * beacon period 64 00
+ * dtim period 00
+ * timestamp 00 00 00 00 00 00 00 00
+ * localtime 00 00 00 00 00 00 00 00
+ * IE DS 03
+ * IE DS len 01
+ * IE DS channel 01
+ * reserveed 00 00 00 00
+ * IE IBSS 06
+ * IE IBSS len 02
+ * IE IBSS atim 00 00
+ * reserved 00 00 00 00
+ * capability 02 00
+ * rates 82 84 8b 96 0c 12 18 24 30 48 60 6c 00
+ * fail timeout ff 00
+ * probe delay 00 00
+ */
+ memset(&cmd, 0, sizeof(cmd));
+ cmd.hdr.size = cpu_to_le16(sizeof(cmd));
+
+ memcpy(cmd.bss.bssid, bss->bssid, ETH_ALEN);
+ memcpy(cmd.bss.ssid, params->ssid, params->ssid_len);
+ cmd.bss.type = CMD_BSS_TYPE_IBSS;
+ cmd.bss.beaconperiod = cpu_to_le16(params->beacon_interval);
+ cmd.bss.ds.header.id = WLAN_EID_DS_PARAMS;
+ cmd.bss.ds.header.len = 1;
+ cmd.bss.ds.channel = params->channel->hw_value;
+ cmd.bss.ibss.header.id = WLAN_EID_IBSS_PARAMS;
+ cmd.bss.ibss.header.len = 2;
+ cmd.bss.ibss.atimwindow = 0;
+ cmd.bss.capability = cpu_to_le16(bss->capability & CAPINFO_MASK);
+
+ /* set rates to the intersection of our rates and the rates in the
+ bss */
+ if (!rates_eid) {
+ lbs_add_rates(cmd.bss.rates);
+ } else {
+ int hw, i;
+ u8 rates_max = rates_eid[1];
+ u8 *rates = cmd.bss.rates;
+ for (hw = 0; hw < ARRAY_SIZE(lbs_rates); hw++) {
+ u8 hw_rate = lbs_rates[hw].bitrate / 5;
+ for (i = 0; i < rates_max; i++) {
+ if (hw_rate == (rates_eid[i+2] & 0x7f)) {
+ u8 rate = rates_eid[i+2];
+ if (rate == 0x02 || rate == 0x04 ||
+ rate == 0x0b || rate == 0x16)
+ rate |= 0x80;
+ *rates++ = rate;
+ }
+ }
+ }
+ }
+
+ /* Only v8 and below support setting this */
+ if (MRVL_FW_MAJOR_REV(priv->fwrelease) <= 8) {
+ cmd.failtimeout = cpu_to_le16(MRVDRV_ASSOCIATION_TIME_OUT);
+ cmd.probedelay = cpu_to_le16(CMD_SCAN_PROBE_DELAY_TIME);
+ }
+ ret = lbs_cmd_with_response(priv, CMD_802_11_AD_HOC_JOIN, &cmd);
+ if (ret)
+ goto out;
+
+ /*
+ * This is a sample response to CMD_802_11_AD_HOC_JOIN:
+ *
+ * response 2c 80
+ * size 09 00
+ * sequence xx xx
+ * result 00 00
+ * reserved 00
+ */
+ lbs_join_post(priv, params, bss->bssid, bss->capability);
+
+ out:
+ lbs_deb_leave_args(LBS_DEB_CFG80211, "ret %d", ret);
+ return ret;
+}
+
+
+
+static int lbs_ibss_start_new(struct lbs_private *priv,
+ struct cfg80211_ibss_params *params)
+{
+ struct cmd_ds_802_11_ad_hoc_start cmd;
+ struct cmd_ds_802_11_ad_hoc_result *resp =
+ (struct cmd_ds_802_11_ad_hoc_result *) &cmd;
+ u8 preamble = RADIO_PREAMBLE_SHORT;
+ int ret = 0;
+ u16 capability;
+
+ lbs_deb_enter(LBS_DEB_CFG80211);
+
+ ret = lbs_set_radio(priv, preamble, 1);
+ if (ret)
+ goto out;
+
+ /*
+ * Example CMD_802_11_AD_HOC_START command:
+ *
+ * command 2b 00 CMD_802_11_AD_HOC_START
+ * size b1 00
+ * sequence xx xx
+ * result 00 00
+ * ssid 54 45 53 54 00 00 00 00
+ * 00 00 00 00 00 00 00 00
+ * 00 00 00 00 00 00 00 00
+ * 00 00 00 00 00 00 00 00
+ * bss type 02
+ * beacon period 64 00
+ * dtim period 00
+ * IE IBSS 06
+ * IE IBSS len 02
+ * IE IBSS atim 00 00
+ * reserved 00 00 00 00
+ * IE DS 03
+ * IE DS len 01
+ * IE DS channel 01
+ * reserved 00 00 00 00
+ * probe delay 00 00
+ * capability 02 00
+ * rates 82 84 8b 96 (basic rates with have bit 7 set)
+ * 0c 12 18 24 30 48 60 6c
+ * padding 100 bytes
+ */
+ memset(&cmd, 0, sizeof(cmd));
+ cmd.hdr.size = cpu_to_le16(sizeof(cmd));
+ memcpy(cmd.ssid, params->ssid, params->ssid_len);
+ cmd.bsstype = CMD_BSS_TYPE_IBSS;
+ cmd.beaconperiod = cpu_to_le16(params->beacon_interval);
+ cmd.ibss.header.id = WLAN_EID_IBSS_PARAMS;
+ cmd.ibss.header.len = 2;
+ cmd.ibss.atimwindow = 0;
+ cmd.ds.header.id = WLAN_EID_DS_PARAMS;
+ cmd.ds.header.len = 1;
+ cmd.ds.channel = params->channel->hw_value;
+ /* Only v8 and below support setting probe delay */
+ if (MRVL_FW_MAJOR_REV(priv->fwrelease) <= 8)
+ cmd.probedelay = cpu_to_le16(CMD_SCAN_PROBE_DELAY_TIME);
+ /* TODO: mix in WLAN_CAPABILITY_PRIVACY */
+ capability = cpu_to_le16(WLAN_CAPABILITY_IBSS);
+ cmd.capability = cpu_to_le16(capability);
+ lbs_add_rates(cmd.rates);
+
+
+ ret = lbs_cmd_with_response(priv, CMD_802_11_AD_HOC_START, &cmd);
+ if (ret)
+ goto out;
+
+ /*
+ * This is a sample response to CMD_802_11_AD_HOC_JOIN:
+ *
+ * response 2b 80
+ * size 14 00
+ * sequence xx xx
+ * result 00 00
+ * reserved 00
+ * bssid 02 2b 7b 0f 86 0e
+ */
+ lbs_join_post(priv, params, resp->bssid, capability);
+
+ out:
+ lbs_deb_leave_args(LBS_DEB_CFG80211, "ret %d", ret);
+ return ret;
+}
+
+
+static int lbs_join_ibss(struct wiphy *wiphy, struct net_device *dev,
+ struct cfg80211_ibss_params *params)
+{
+ struct lbs_private *priv = wiphy_priv(wiphy);
+ int ret = 0;
+ struct cfg80211_bss *bss;
+ DECLARE_SSID_BUF(ssid_buf);
+
+ lbs_deb_enter(LBS_DEB_CFG80211);
+
+ if (!params->channel) {
+ ret = -ENOTSUPP;
+ goto out;
+ }
+
+ ret = lbs_set_channel(priv, params->channel->hw_value);
+ if (ret)
goto out;
- ret = lbs_set_channel(priv, chan->hw_value);
+ /* Search if someone is beaconing. This assumes that the
+ * bss list is populated already */
+ bss = cfg80211_get_bss(wiphy, params->channel, params->bssid,
+ params->ssid, params->ssid_len,
+ WLAN_CAPABILITY_IBSS, WLAN_CAPABILITY_IBSS);
+
+ if (bss) {
+ ret = lbs_ibss_join_existing(priv, params, bss);
+ cfg80211_put_bss(bss);
+ } else
+ ret = lbs_ibss_start_new(priv, params);
+
out:
lbs_deb_leave_args(LBS_DEB_CFG80211, "ret %d", ret);
@@ -97,10 +1919,45 @@ static int lbs_cfg_set_channel(struct wi
}
+static int lbs_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
+{
+ struct lbs_private *priv = wiphy_priv(wiphy);
+ struct cmd_ds_802_11_ad_hoc_stop cmd;
+ int ret = 0;
+
+ lbs_deb_enter(LBS_DEB_CFG80211);
+
+ memset(&cmd, 0, sizeof(cmd));
+ cmd.hdr.size = cpu_to_le16(sizeof(cmd));
+ ret = lbs_cmd_with_response(priv, CMD_802_11_AD_HOC_STOP, &cmd);
+
+ /* TODO: consider doing this at MACREG_INT_CODE_ADHOC_BCN_LOST time */
+ lbs_mac_event_disconnected(priv);
+
+ lbs_deb_leave_args(LBS_DEB_CFG80211, "ret %d", ret);
+ return ret;
+}
+
+
+/***************************************************************************
+ * Initialization
+ */
+
static struct cfg80211_ops lbs_cfg80211_ops = {
.set_channel = lbs_cfg_set_channel,
+ .scan = lbs_cfg_scan,
+ .connect = lbs_cfg_connect,
+ .disconnect = lbs_cfg_disconnect,
+ .add_key = lbs_cfg_add_key,
+ .del_key = lbs_cfg_del_key,
+ .set_default_key = lbs_cfg_set_default_key,
+ .get_station = lbs_cfg_get_station,
+ .dump_survey = lbs_get_survey,
+ .change_virtual_intf = lbs_change_intf,
+ .join_ibss = lbs_join_ibss,
+ .leave_ibss = lbs_leave_ibss,
};
@@ -140,6 +1997,36 @@ struct wireless_dev *lbs_cfg_alloc(struc
}
+static void lbs_cfg_set_regulatory_hint(struct lbs_private *priv)
+{
+ struct region_code_mapping {
+ const char *cn;
+ int code;
+ };
+
+ /* Section 5.17.2 */
+ static struct region_code_mapping regmap[] = {
+ {"US ", 0x10}, /* US FCC */
+ {"CA ", 0x20}, /* Canada */
+ {"EU ", 0x30}, /* ETSI */
+ {"ES ", 0x31}, /* Spain */
+ {"FR ", 0x32}, /* France */
+ {"JP ", 0x40}, /* Japan */
+ };
+ size_t i;
+
+ lbs_deb_enter(LBS_DEB_CFG80211);
+
+ for (i = 0; i < ARRAY_SIZE(regmap); i++)
+ if (regmap[i].code == priv->regioncode) {
+ regulatory_hint(priv->wdev->wiphy, regmap[i].cn);
+ break;
+ }
+
+ lbs_deb_leave(LBS_DEB_CFG80211);
+}
+
+
/*
* This function get's called after lbs_setup_firmware() determined the
* firmware capabities. So we can setup the wiphy according to our
@@ -155,10 +2042,12 @@ int lbs_cfg_register(struct lbs_private
wdev->wiphy->max_scan_ssids = 1;
wdev->wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
- /* TODO: BIT(NL80211_IFTYPE_ADHOC); */
- wdev->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION);
+ wdev->wiphy->interface_modes =
+ BIT(NL80211_IFTYPE_STATION) |
+ BIT(NL80211_IFTYPE_ADHOC);
+ if (lbs_rtap_supported(priv))
+ wdev->wiphy->interface_modes |= BIT(NL80211_IFTYPE_MONITOR);
- /* TODO: honor priv->regioncode */
wdev->wiphy->bands[IEEE80211_BAND_2GHZ] = &lbs_band_2ghz;
/*
@@ -176,11 +2065,22 @@ int lbs_cfg_register(struct lbs_private
if (ret)
lbs_pr_err("cannot register network device\n");
+ INIT_DELAYED_WORK(&priv->scan_work, lbs_scan_worker);
+
+ lbs_cfg_set_regulatory_hint(priv);
+
lbs_deb_leave_args(LBS_DEB_CFG80211, "ret %d", ret);
return ret;
}
+void lbs_scan_deinit(struct lbs_private *priv)
+{
+ lbs_deb_enter(LBS_DEB_CFG80211);
+ cancel_delayed_work_sync(&priv->scan_work);
+}
+
+
void lbs_cfg_free(struct lbs_private *priv)
{
struct wireless_dev *wdev = priv->wdev;
@@ -7,8 +7,8 @@
#define _LBS_DEV_H_
#include "mesh.h"
-#include "scan.h"
-#include "assoc.h"
+#include "defs.h"
+#include "host.h"
@@ -29,13 +29,15 @@ struct lbs_private {
/* Basic networking */
struct net_device *dev;
u32 connect_status;
- int infra_open;
struct work_struct mcast_work;
u32 nr_of_multicastmacaddr;
u8 multicastlist[MRVDRV_MAX_MULTICAST_LIST_SIZE][ETH_ALEN];
/* CFG80211 */
struct wireless_dev *wdev;
+ struct cfg80211_scan_request *scan_req;
+ u8 assoc_bss[ETH_ALEN];
+ u8 disassoc_reason;
/* Mesh */
struct net_device *mesh_dev; /* Virtual device */
@@ -48,10 +50,6 @@ struct lbs_private {
u8 mesh_ssid_len;
#endif
- /* Monitor mode */
- struct net_device *rtap_net_dev;
- u32 monitormode;
-
/* Debugfs */
struct dentry *debugfs_dir;
struct dentry *debugfs_debug;
@@ -127,13 +125,9 @@ struct lbs_private {
struct workqueue_struct *work_thread;
/** Encryption stuff */
- struct lbs_802_11_security secinfo;
- struct enc_key wpa_mcast_key;
- struct enc_key wpa_unicast_key;
- u8 wpa_ie[MAX_WPA_IE_LEN];
- u8 wpa_ie_len;
- u16 wep_tx_keyidx;
- struct enc_key wep_keys[4];
+ u8 wep_tx_key;
+ u8 wep_key[4][WLAN_KEY_LEN_WEP104];
+ u8 wep_key_len[4];
/* Wake On LAN */
uint32_t wol_criteria;
@@ -154,6 +148,7 @@ struct lbs_private {
/* NIC/link operation characteristics */
u16 mac_control;
u8 radio_on;
+ u8 cur_rate;
u8 channel;
s16 txpower_cur;
s16 txpower_min;
@@ -162,42 +157,6 @@ struct lbs_private {
/** Scanning */
struct delayed_work scan_work;
int scan_channel;
- /* remember which channel was scanned last, != 0 if currently scanning */
- u8 scan_ssid[IEEE80211_MAX_SSID_LEN + 1];
- u8 scan_ssid_len;
-
- /* Associating */
- struct delayed_work assoc_work;
- struct current_bss_params curbssparams;
- u8 mode;
- struct list_head network_list;
- struct list_head network_free_list;
- struct bss_descriptor *networks;
- struct assoc_request * pending_assoc_req;
- struct assoc_request * in_progress_assoc_req;
- uint16_t enablehwauto;
-
- /* ADHOC */
- u16 beacon_period;
- u8 beacon_enable;
- u8 adhoccreate;
-
- /* WEXT */
- char name[DEV_NAME_LEN];
- u8 nodename[16];
- struct iw_statistics wstats;
- u8 cur_rate;
-#define MAX_REGION_CHANNEL_NUM 2
- struct region_channel region_channel[MAX_REGION_CHANNEL_NUM];
-
- /** Requested Signal Strength*/
- u16 SNR[MAX_TYPE_B][MAX_TYPE_AVG];
- u16 NF[MAX_TYPE_B][MAX_TYPE_AVG];
- u8 RSSI[MAX_TYPE_B][MAX_TYPE_AVG];
- u8 rawSNR[DEFAULT_DATA_AVG_FACTOR];
- u8 rawNF[DEFAULT_DATA_AVG_FACTOR];
- u16 nextSNRNF;
- u16 numSNRNF;
};
extern struct cmd_confirm_sleep confirm_sleep;
@@ -6,13 +6,8 @@
#include <linux/kfifo.h>
#include <linux/sched.h>
-#include "host.h"
#include "decl.h"
-#include "defs.h"
-#include "dev.h"
-#include "assoc.h"
-#include "wext.h"
-#include "scan.h"
+#include "cfg.h"
#include "cmd.h"
@@ -174,11 +169,6 @@ int lbs_update_hw_spec(struct lbs_privat
if (priv->mesh_dev)
memcpy(priv->mesh_dev->dev_addr, priv->current_addr, ETH_ALEN);
- if (lbs_set_regiontable(priv, priv->regioncode, 0)) {
- ret = -1;
- goto out;
- }
-
out:
lbs_deb_leave(LBS_DEB_CMD);
return ret;
@@ -1302,6 +1292,15 @@ int lbs_execute_next_command(struct lbs_
* check if in power save mode, if yes, put the device back
* to PS mode
*/
+#ifdef TODO
+ /*
+ * This was the old code for libertas+wext. Someone that
+ * understands this beast should re-code it in a sane way.
+ *
+ * I actually don't understand why this is related to WPA
+ * and to connection status, shouldn't powering should be
+ * independ of such things?
+ */
if ((priv->psmode != LBS802_11POWERMODECAM) &&
(priv->psstate == PS_STATE_FULL_POWER) &&
((priv->connect_status == LBS_CONNECTED) ||
@@ -1323,6 +1322,7 @@ int lbs_execute_next_command(struct lbs_
lbs_ps_sleep(priv, 0);
}
}
+#endif
}
ret = 0;
@@ -4,18 +4,11 @@
*/
#include <linux/delay.h>
#include <linux/sched.h>
-#include <linux/if_arp.h>
-#include <linux/netdevice.h>
#include <asm/unaligned.h>
-#include <net/iw_handler.h>
+#include <net/cfg80211.h>
-#include "host.h"
-#include "decl.h"
+#include "cfg.h"
#include "cmd.h"
-#include "defs.h"
-#include "dev.h"
-#include "assoc.h"
-#include "wext.h"
/**
* @brief This function handles disconnect event. it
@@ -48,23 +41,8 @@ void lbs_mac_event_disconnected(struct l
priv->currenttxskb = NULL;
priv->tx_pending_len = 0;
- /* reset SNR/NF/RSSI values */
- memset(priv->SNR, 0x00, sizeof(priv->SNR));
- memset(priv->NF, 0x00, sizeof(priv->NF));
- memset(priv->RSSI, 0x00, sizeof(priv->RSSI));
- memset(priv->rawSNR, 0x00, sizeof(priv->rawSNR));
- memset(priv->rawNF, 0x00, sizeof(priv->rawNF));
- priv->nextSNRNF = 0;
- priv->numSNRNF = 0;
priv->connect_status = LBS_DISCONNECTED;
- /* Clear out associated SSID and BSSID since connection is
- * no longer valid.
- */
- memset(&priv->curbssparams.bssid, 0, ETH_ALEN);
- memset(&priv->curbssparams.ssid, 0, IEEE80211_MAX_SSID_LEN);
- priv->curbssparams.ssid_len = 0;
-
if (priv->psstate != PS_STATE_FULL_POWER) {
/* make firmware to exit PS mode */
lbs_deb_cmd("disconnected, so exit PS mode\n");
@@ -265,7 +243,7 @@ int lbs_process_command_response(struct
* ad-hoc mode. It takes place in
* lbs_execute_next_command().
*/
- if (priv->mode == IW_MODE_ADHOC &&
+ if (priv->wdev->iftype == NL80211_IFTYPE_MONITOR &&
action == CMD_SUBCMD_ENTER_PS)
priv->psmode = LBS802_11POWERMODECAM;
} else if (action == CMD_SUBCMD_ENTER_PS) {
@@ -11,19 +11,13 @@
#include <linux/if_arp.h>
#include <linux/kthread.h>
#include <linux/kfifo.h>
-#include <linux/stddef.h>
-#include <linux/ieee80211.h>
-#include <net/iw_handler.h>
#include <net/cfg80211.h>
#include "host.h"
#include "decl.h"
#include "dev.h"
-#include "wext.h"
#include "cfg.h"
#include "debugfs.h"
-#include "scan.h"
-#include "assoc.h"
#include "cmd.h"
#define DRIVER_RELEASE_VERSION "323.p0"
@@ -95,72 +89,6 @@ u8 lbs_data_rate_to_fw_index(u32 rate)
}
-static int lbs_add_rtap(struct lbs_private *priv);
-static void lbs_remove_rtap(struct lbs_private *priv);
-
-
-/**
- * Get function for sysfs attribute rtap
- */
-static ssize_t lbs_rtap_get(struct device *dev,
- struct device_attribute *attr, char * buf)
-{
- struct lbs_private *priv = to_net_dev(dev)->ml_priv;
- return snprintf(buf, 5, "0x%X\n", priv->monitormode);
-}
-
-/**
- * Set function for sysfs attribute rtap
- */
-static ssize_t lbs_rtap_set(struct device *dev,
- struct device_attribute *attr, const char * buf, size_t count)
-{
- int monitor_mode;
- struct lbs_private *priv = to_net_dev(dev)->ml_priv;
-
- sscanf(buf, "%x", &monitor_mode);
- if (monitor_mode) {
- if (priv->monitormode == monitor_mode)
- return strlen(buf);
- if (!priv->monitormode) {
- if (priv->infra_open || lbs_mesh_open(priv))
- return -EBUSY;
- if (priv->mode == IW_MODE_INFRA)
- lbs_cmd_80211_deauthenticate(priv,
- priv->curbssparams.bssid,
- WLAN_REASON_DEAUTH_LEAVING);
- else if (priv->mode == IW_MODE_ADHOC)
- lbs_adhoc_stop(priv);
- lbs_add_rtap(priv);
- }
- priv->monitormode = monitor_mode;
- } else {
- if (!priv->monitormode)
- return strlen(buf);
- priv->monitormode = 0;
- lbs_remove_rtap(priv);
-
- if (priv->currenttxskb) {
- dev_kfree_skb_any(priv->currenttxskb);
- priv->currenttxskb = NULL;
- }
-
- /* Wake queues, command thread, etc. */
- lbs_host_to_card_done(priv);
- }
-
- lbs_prepare_and_send_command(priv,
- CMD_802_11_MONITOR_MODE, CMD_ACT_SET,
- CMD_OPTION_WAITFORRSP, 0, &priv->monitormode);
- return strlen(buf);
-}
-
-/**
- * lbs_rtap attribute to be exported per ethX interface
- * through sysfs (/sys/class/net/ethX/lbs_rtap)
- */
-static DEVICE_ATTR(lbs_rtap, 0644, lbs_rtap_get, lbs_rtap_set );
-
/**
* @brief This function opens the ethX interface
*
@@ -176,13 +104,6 @@ static int lbs_dev_open(struct net_devic
spin_lock_irq(&priv->driver_lock);
- if (priv->monitormode) {
- ret = -EBUSY;
- goto out;
- }
-
- priv->infra_open = 1;
-
if (priv->connect_status == LBS_CONNECTED)
netif_carrier_on(dev);
else
@@ -190,7 +111,6 @@ static int lbs_dev_open(struct net_devic
if (!priv->tx_pending_len)
netif_wake_queue(dev);
- out:
spin_unlock_irq(&priv->driver_lock);
lbs_deb_leave_args(LBS_DEB_NET, "ret %d", ret);
@@ -210,7 +130,6 @@ static int lbs_eth_stop(struct net_devic
lbs_deb_enter(LBS_DEB_NET);
spin_lock_irq(&priv->driver_lock);
- priv->infra_open = 0;
netif_stop_queue(dev);
spin_unlock_irq(&priv->driver_lock);
@@ -808,37 +727,16 @@ int lbs_exit_auto_deep_sleep(struct lbs_
static int lbs_init_adapter(struct lbs_private *priv)
{
- size_t bufsize;
- int i, ret = 0;
+ int ret;
lbs_deb_enter(LBS_DEB_MAIN);
- /* Allocate buffer to store the BSSID list */
- bufsize = MAX_NETWORK_COUNT * sizeof(struct bss_descriptor);
- priv->networks = kzalloc(bufsize, GFP_KERNEL);
- if (!priv->networks) {
- lbs_pr_err("Out of memory allocating beacons\n");
- ret = -1;
- goto out;
- }
-
- /* Initialize scan result lists */
- INIT_LIST_HEAD(&priv->network_free_list);
- INIT_LIST_HEAD(&priv->network_list);
- for (i = 0; i < MAX_NETWORK_COUNT; i++) {
- list_add_tail(&priv->networks[i].list,
- &priv->network_free_list);
- }
-
memset(priv->current_addr, 0xff, ETH_ALEN);
priv->connect_status = LBS_DISCONNECTED;
- priv->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
- priv->mode = IW_MODE_INFRA;
priv->channel = DEFAULT_AD_HOC_CHANNEL;
priv->mac_control = CMD_ACT_MAC_RX_ON | CMD_ACT_MAC_TX_ON;
priv->radio_on = 1;
- priv->enablehwauto = 1;
priv->psmode = LBS802_11POWERMODECAM;
priv->psstate = PS_STATE_FULL_POWER;
priv->is_deep_sleep = 0;
@@ -891,8 +789,6 @@ static void lbs_free_adapter(struct lbs_
kfifo_free(priv->event_fifo);
del_timer(&priv->command_timer);
del_timer(&priv->auto_deepsleep_timer);
- kfree(priv->networks);
- priv->networks = NULL;
lbs_deb_leave(LBS_DEB_MAIN);
}
@@ -929,7 +825,7 @@ struct lbs_private *lbs_add_card(void *c
lbs_pr_err("cfg80211 init failed\n");
goto done;
}
- /* TODO? */
+
wdev->iftype = NL80211_IFTYPE_STATION;
priv = wdev_priv(wdev);
priv->wdev = wdev;
@@ -939,7 +835,6 @@ struct lbs_private *lbs_add_card(void *c
goto err_wdev;
}
- //TODO? dev = alloc_netdev_mq(0, "wlan%d", ether_setup, IWM_TX_QUEUES);
dev = alloc_netdev(0, "wlan%d", ether_setup);
if (!dev) {
dev_err(dmdev, "no memory for network device instance\n");
@@ -955,20 +850,10 @@ struct lbs_private *lbs_add_card(void *c
dev->netdev_ops = &lbs_netdev_ops;
dev->watchdog_timeo = 5 * HZ;
dev->ethtool_ops = &lbs_ethtool_ops;
-#ifdef WIRELESS_EXT
- dev->wireless_handlers = &lbs_handler_def;
-#endif
dev->flags |= IFF_BROADCAST | IFF_MULTICAST;
-
- // TODO: kzalloc + iwm_init_default_profile(iwm, iwm->umac_profile); ??
-
-
priv->card = card;
- priv->infra_open = 0;
-
- priv->rtap_net_dev = NULL;
strcpy(dev->name, "wlan%d");
lbs_deb_thread("Starting main thread...\n");
@@ -980,8 +865,6 @@ struct lbs_private *lbs_add_card(void *c
}
priv->work_thread = create_singlethread_workqueue("lbs_worker");
- INIT_DELAYED_WORK(&priv->assoc_work, lbs_association_worker);
- INIT_DELAYED_WORK(&priv->scan_work, lbs_scan_worker);
INIT_WORK(&priv->mcast_work, lbs_set_mcast_worker);
priv->wol_criteria = 0xffffffff;
@@ -1014,12 +897,10 @@ void lbs_remove_card(struct lbs_private
lbs_deb_enter(LBS_DEB_MAIN);
lbs_remove_mesh(priv);
- lbs_remove_rtap(priv);
+ lbs_scan_deinit(priv);
dev = priv->dev;
- cancel_delayed_work_sync(&priv->scan_work);
- cancel_delayed_work_sync(&priv->assoc_work);
cancel_work_sync(&priv->mcast_work);
/* worker thread destruction blocks on the in-flight command which
@@ -1056,7 +937,7 @@ void lbs_remove_card(struct lbs_private
EXPORT_SYMBOL_GPL(lbs_remove_card);
-static int lbs_rtap_supported(struct lbs_private *priv)
+int lbs_rtap_supported(struct lbs_private *priv)
{
if (MRVL_FW_MAJOR_REV(priv->fwrelease) == MRVL_FW_V5)
return 1;
@@ -1088,16 +969,6 @@ int lbs_start_card(struct lbs_private *p
lbs_init_mesh(priv);
- /*
- * While rtap isn't related to mesh, only mesh-enabled
- * firmware implements the rtap functionality via
- * CMD_802_11_MONITOR_MODE.
- */
- if (lbs_rtap_supported(priv)) {
- if (device_create_file(&dev->dev, &dev_attr_lbs_rtap))
- lbs_pr_err("cannot register lbs_rtap attribute\n");
- }
-
lbs_debugfs_init_one(priv, dev);
lbs_pr_info("%s: Marvell WLAN 802.11 adapter\n", dev->name);
@@ -1129,9 +1000,6 @@ void lbs_stop_card(struct lbs_private *p
lbs_debugfs_remove_one(priv);
lbs_deinit_mesh(priv);
- if (lbs_rtap_supported(priv))
- device_remove_file(&dev->dev, &dev_attr_lbs_rtap);
-
/* Delete the timeout of the currently processing command */
del_timer_sync(&priv->command_timer);
del_timer_sync(&priv->auto_deepsleep_timer);
@@ -1218,87 +1086,6 @@ static void __exit lbs_exit_module(void)
lbs_deb_leave(LBS_DEB_MAIN);
}
-/*
- * rtap interface support fuctions
- */
-
-static int lbs_rtap_open(struct net_device *dev)
-{
- /* Yes, _stop_ the queue. Because we don't support injection */
- lbs_deb_enter(LBS_DEB_MAIN);
- netif_carrier_off(dev);
- netif_stop_queue(dev);
- lbs_deb_leave(LBS_DEB_LEAVE);
- return 0;
-}
-
-static int lbs_rtap_stop(struct net_device *dev)
-{
- lbs_deb_enter(LBS_DEB_MAIN);
- lbs_deb_leave(LBS_DEB_MAIN);
- return 0;
-}
-
-static netdev_tx_t lbs_rtap_hard_start_xmit(struct sk_buff *skb,
- struct net_device *dev)
-{
- netif_stop_queue(dev);
- return NETDEV_TX_BUSY;
-}
-
-static void lbs_remove_rtap(struct lbs_private *priv)
-{
- lbs_deb_enter(LBS_DEB_MAIN);
- if (priv->rtap_net_dev == NULL)
- goto out;
- unregister_netdev(priv->rtap_net_dev);
- free_netdev(priv->rtap_net_dev);
- priv->rtap_net_dev = NULL;
-out:
- lbs_deb_leave(LBS_DEB_MAIN);
-}
-
-static const struct net_device_ops rtap_netdev_ops = {
- .ndo_open = lbs_rtap_open,
- .ndo_stop = lbs_rtap_stop,
- .ndo_start_xmit = lbs_rtap_hard_start_xmit,
-};
-
-static int lbs_add_rtap(struct lbs_private *priv)
-{
- int ret = 0;
- struct net_device *rtap_dev;
-
- lbs_deb_enter(LBS_DEB_MAIN);
- if (priv->rtap_net_dev) {
- ret = -EPERM;
- goto out;
- }
-
- rtap_dev = alloc_netdev(0, "rtap%d", ether_setup);
- if (rtap_dev == NULL) {
- ret = -ENOMEM;
- goto out;
- }
-
- memcpy(rtap_dev->dev_addr, priv->current_addr, ETH_ALEN);
- rtap_dev->type = ARPHRD_IEEE80211_RADIOTAP;
- rtap_dev->netdev_ops = &rtap_netdev_ops;
- rtap_dev->ml_priv = priv;
- SET_NETDEV_DEV(rtap_dev, priv->dev->dev.parent);
-
- ret = register_netdev(rtap_dev);
- if (ret) {
- free_netdev(rtap_dev);
- goto out;
- }
- priv->rtap_net_dev = rtap_dev;
-
-out:
- lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret);
- return ret;
-}
-
module_init(lbs_init_module);
module_exit(lbs_exit_module);
@@ -1,17 +1,12 @@
-#include <linux/module.h>
#include <linux/dcache.h>
#include <linux/debugfs.h>
#include <linux/delay.h>
#include <linux/mm.h>
#include <linux/string.h>
-#include <net/iw_handler.h>
-#include <net/lib80211.h>
-#include "dev.h"
#include "decl.h"
-#include "host.h"
-#include "debugfs.h"
#include "cmd.h"
+#include "debugfs.h"
static struct dentry *lbs_dir;
static char *szStates[] = {
@@ -60,50 +55,6 @@ static ssize_t lbs_dev_info(struct file
}
-static ssize_t lbs_getscantable(struct file *file, char __user *userbuf,
- size_t count, loff_t *ppos)
-{
- struct lbs_private *priv = file->private_data;
- size_t pos = 0;
- int numscansdone = 0, res;
- unsigned long addr = get_zeroed_page(GFP_KERNEL);
- char *buf = (char *)addr;
- DECLARE_SSID_BUF(ssid);
- struct bss_descriptor * iter_bss;
- if (!buf)
- return -ENOMEM;
-
- pos += snprintf(buf+pos, len-pos,
- "# | ch | rssi | bssid | cap | Qual | SSID \n");
-
- mutex_lock(&priv->lock);
- list_for_each_entry (iter_bss, &priv->network_list, list) {
- u16 ibss = (iter_bss->capability & WLAN_CAPABILITY_IBSS);
- u16 privacy = (iter_bss->capability & WLAN_CAPABILITY_PRIVACY);
- u16 spectrum_mgmt = (iter_bss->capability & WLAN_CAPABILITY_SPECTRUM_MGMT);
-
- pos += snprintf(buf+pos, len-pos, "%02u| %03d | %04d | %pM |",
- numscansdone, iter_bss->channel, iter_bss->rssi,
- iter_bss->bssid);
- pos += snprintf(buf+pos, len-pos, " %04x-", iter_bss->capability);
- pos += snprintf(buf+pos, len-pos, "%c%c%c |",
- ibss ? 'A' : 'I', privacy ? 'P' : ' ',
- spectrum_mgmt ? 'S' : ' ');
- pos += snprintf(buf+pos, len-pos, " %04d |", SCAN_RSSI(iter_bss->rssi));
- pos += snprintf(buf+pos, len-pos, " %s\n",
- print_ssid(ssid, iter_bss->ssid,
- iter_bss->ssid_len));
-
- numscansdone++;
- }
- mutex_unlock(&priv->lock);
-
- res = simple_read_from_buffer(userbuf, count, ppos, buf, pos);
-
- free_page(addr);
- return res;
-}
-
static ssize_t lbs_sleepparams_write(struct file *file,
const char __user *user_buf, size_t count,
loff_t *ppos)
@@ -722,8 +673,6 @@ struct lbs_debugfs_files {
static const struct lbs_debugfs_files debugfs_files[] = {
{ "info", 0444, FOPS(lbs_dev_info, write_file_dummy), },
- { "getscantable", 0444, FOPS(lbs_getscantable,
- write_file_dummy), },
{ "sleepparams", 0644, FOPS(lbs_sleepparams_read,
lbs_sleepparams_write), },
};
@@ -2,13 +2,8 @@
#include <linux/ethtool.h>
#include <linux/delay.h>
-#include "host.h"
#include "decl.h"
-#include "defs.h"
-#include "dev.h"
-#include "wext.h"
#include "cmd.h"
-#include "mesh.h"
static void lbs_ethtool_get_drvinfo(struct net_device *dev,
@@ -3,12 +3,13 @@
*/
#include <linux/etherdevice.h>
#include <linux/types.h>
+#include <net/cfg80211.h>
+#include "defs.h"
#include "host.h"
#include "radiotap.h"
#include "decl.h"
#include "dev.h"
-#include "wext.h"
struct eth803hdr {
u8 dest_addr[6];
@@ -38,99 +39,6 @@ static int process_rxed_802_11_packet(st
struct sk_buff *skb);
/**
- * @brief This function computes the avgSNR .
- *
- * @param priv A pointer to struct lbs_private structure
- * @return avgSNR
- */
-static u8 lbs_getavgsnr(struct lbs_private *priv)
-{
- u8 i;
- u16 temp = 0;
- if (priv->numSNRNF == 0)
- return 0;
- for (i = 0; i < priv->numSNRNF; i++)
- temp += priv->rawSNR[i];
- return (u8) (temp / priv->numSNRNF);
-
-}
-
-/**
- * @brief This function computes the AvgNF
- *
- * @param priv A pointer to struct lbs_private structure
- * @return AvgNF
- */
-static u8 lbs_getavgnf(struct lbs_private *priv)
-{
- u8 i;
- u16 temp = 0;
- if (priv->numSNRNF == 0)
- return 0;
- for (i = 0; i < priv->numSNRNF; i++)
- temp += priv->rawNF[i];
- return (u8) (temp / priv->numSNRNF);
-
-}
-
-/**
- * @brief This function save the raw SNR/NF to our internel buffer
- *
- * @param priv A pointer to struct lbs_private structure
- * @param prxpd A pointer to rxpd structure of received packet
- * @return n/a
- */
-static void lbs_save_rawSNRNF(struct lbs_private *priv, struct rxpd *p_rx_pd)
-{
- if (priv->numSNRNF < DEFAULT_DATA_AVG_FACTOR)
- priv->numSNRNF++;
- priv->rawSNR[priv->nextSNRNF] = p_rx_pd->snr;
- priv->rawNF[priv->nextSNRNF] = p_rx_pd->nf;
- priv->nextSNRNF++;
- if (priv->nextSNRNF >= DEFAULT_DATA_AVG_FACTOR)
- priv->nextSNRNF = 0;
- return;
-}
-
-/**
- * @brief This function computes the RSSI in received packet.
- *
- * @param priv A pointer to struct lbs_private structure
- * @param prxpd A pointer to rxpd structure of received packet
- * @return n/a
- */
-static void lbs_compute_rssi(struct lbs_private *priv, struct rxpd *p_rx_pd)
-{
-
- lbs_deb_enter(LBS_DEB_RX);
-
- lbs_deb_rx("rxpd: SNR %d, NF %d\n", p_rx_pd->snr, p_rx_pd->nf);
- lbs_deb_rx("before computing SNR: SNR-avg = %d, NF-avg = %d\n",
- priv->SNR[TYPE_RXPD][TYPE_AVG] / AVG_SCALE,
- priv->NF[TYPE_RXPD][TYPE_AVG] / AVG_SCALE);
-
- priv->SNR[TYPE_RXPD][TYPE_NOAVG] = p_rx_pd->snr;
- priv->NF[TYPE_RXPD][TYPE_NOAVG] = p_rx_pd->nf;
- lbs_save_rawSNRNF(priv, p_rx_pd);
-
- priv->SNR[TYPE_RXPD][TYPE_AVG] = lbs_getavgsnr(priv) * AVG_SCALE;
- priv->NF[TYPE_RXPD][TYPE_AVG] = lbs_getavgnf(priv) * AVG_SCALE;
- lbs_deb_rx("after computing SNR: SNR-avg = %d, NF-avg = %d\n",
- priv->SNR[TYPE_RXPD][TYPE_AVG] / AVG_SCALE,
- priv->NF[TYPE_RXPD][TYPE_AVG] / AVG_SCALE);
-
- priv->RSSI[TYPE_RXPD][TYPE_NOAVG] =
- CAL_RSSI(priv->SNR[TYPE_RXPD][TYPE_NOAVG],
- priv->NF[TYPE_RXPD][TYPE_NOAVG]);
-
- priv->RSSI[TYPE_RXPD][TYPE_AVG] =
- CAL_RSSI(priv->SNR[TYPE_RXPD][TYPE_AVG] / AVG_SCALE,
- priv->NF[TYPE_RXPD][TYPE_AVG] / AVG_SCALE);
-
- lbs_deb_leave(LBS_DEB_RX);
-}
-
-/**
* @brief This function processes received packet and forwards it
* to kernel/upper layer
*
@@ -154,7 +62,7 @@ int lbs_process_rxed_packet(struct lbs_p
skb->ip_summed = CHECKSUM_NONE;
- if (priv->monitormode)
+ if (priv->wdev->iftype == NL80211_IFTYPE_MONITOR)
return process_rxed_802_11_packet(priv, skb);
p_rx_pd = (struct rxpd *) skb->data;
@@ -225,13 +133,7 @@ int lbs_process_rxed_packet(struct lbs_p
*/
skb_pull(skb, hdrchop);
- /* Take the data rate from the rxpd structure
- * only if the rate is auto
- */
- if (priv->enablehwauto)
- priv->cur_rate = lbs_fw_index_to_data_rate(p_rx_pd->rx_rate);
-
- lbs_compute_rssi(priv, p_rx_pd);
+ priv->cur_rate = lbs_fw_index_to_data_rate(p_rx_pd->rx_rate);
lbs_deb_rx("rx data: size of actual packet %d\n", skb->len);
dev->stats.rx_bytes += skb->len;
@@ -353,20 +255,18 @@ static int process_rxed_802_11_packet(st
pradiotap_hdr = (void *)skb_push(skb, sizeof(struct rx_radiotap_hdr));
memcpy(pradiotap_hdr, &radiotap_hdr, sizeof(struct rx_radiotap_hdr));
- /* Take the data rate from the rxpd structure
- * only if the rate is auto
- */
- if (priv->enablehwauto)
- priv->cur_rate = lbs_fw_index_to_data_rate(prxpd->rx_rate);
-
- lbs_compute_rssi(priv, prxpd);
+ priv->cur_rate = lbs_fw_index_to_data_rate(prxpd->rx_rate);
lbs_deb_rx("rx data: size of actual packet %d\n", skb->len);
dev->stats.rx_bytes += skb->len;
dev->stats.rx_packets++;
- skb->protocol = eth_type_trans(skb, priv->rtap_net_dev);
- netif_rx(skb);
+ skb->protocol = eth_type_trans(skb, priv->dev);
+
+ if (in_interrupt())
+ netif_rx(skb);
+ else
+ netif_rx_ni(skb);
ret = 0;
@@ -4,13 +4,13 @@
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/sched.h>
+#include <net/cfg80211.h>
#include "host.h"
#include "radiotap.h"
#include "decl.h"
#include "defs.h"
#include "dev.h"
-#include "wext.h"
/**
* @brief This function converts Tx/Rx rates from IEEE80211_RADIOTAP_RATE
@@ -111,7 +111,7 @@ netdev_tx_t lbs_hard_start_xmit(struct s
p802x_hdr = skb->data;
pkt_len = skb->len;
- if (dev == priv->rtap_net_dev) {
+ if (priv->wdev->iftype == NL80211_IFTYPE_MONITOR) {
struct tx_radiotap_hdr *rtap_hdr = (void *)skb->data;
/* set txpd fields from the radiotap header */
@@ -149,7 +149,7 @@ netdev_tx_t lbs_hard_start_xmit(struct s
dev->trans_start = jiffies;
- if (priv->monitormode) {
+ if (priv->wdev->iftype == NL80211_IFTYPE_MONITOR) {
/* Keep the skb to echo it back once Tx feedback is
received from FW */
skb_orphan(skb);
@@ -160,6 +160,7 @@ netdev_tx_t lbs_hard_start_xmit(struct s
free:
dev_kfree_skb_any(skb);
}
+
unlock:
spin_unlock_irqrestore(&priv->driver_lock, flags);
wake_up(&priv->waitq);
@@ -181,7 +182,8 @@ void lbs_send_tx_feedback(struct lbs_pri
{
struct tx_radiotap_hdr *radiotap_hdr;
- if (!priv->monitormode || priv->currenttxskb == NULL)
+ if (!priv->wdev->iftype == NL80211_IFTYPE_MONITOR ||
+ priv->currenttxskb == NULL)
return;
radiotap_hdr = (struct tx_radiotap_hdr *)priv->currenttxskb->data;
@@ -190,7 +192,7 @@ void lbs_send_tx_feedback(struct lbs_pri
(1 + priv->txretrycount - try_count) : 0;
priv->currenttxskb->protocol = eth_type_trans(priv->currenttxskb,
- priv->rtap_net_dev);
+ priv->dev);
netif_rx(priv->currenttxskb);
priv->currenttxskb = NULL;
@@ -1,155 +0,0 @@
-/* Copyright (C) 2006, Red Hat, Inc. */
-
-#ifndef _LBS_ASSOC_H_
-#define _LBS_ASSOC_H_
-
-
-#include "defs.h"
-#include "host.h"
-
-
-struct lbs_private;
-
-/*
- * In theory, the IE is limited to the IE length, 255,
- * but in practice 64 bytes are enough.
- */
-#define MAX_WPA_IE_LEN 64
-
-
-
-struct lbs_802_11_security {
- u8 WPAenabled;
- u8 WPA2enabled;
- u8 wep_enabled;
- u8 auth_mode;
- u32 key_mgmt;
-};
-
-/** Current Basic Service Set State Structure */
-struct current_bss_params {
- /** bssid */
- u8 bssid[ETH_ALEN];
- /** ssid */
- u8 ssid[IEEE80211_MAX_SSID_LEN + 1];
- u8 ssid_len;
-
- /** band */
- u8 band;
- /** channel is directly in priv->channel */
- /** zero-terminated array of supported data rates */
- u8 rates[MAX_RATES + 1];
-};
-
-/**
- * @brief Structure used to store information for each beacon/probe response
- */
-struct bss_descriptor {
- u8 bssid[ETH_ALEN];
-
- u8 ssid[IEEE80211_MAX_SSID_LEN + 1];
- u8 ssid_len;
-
- u16 capability;
- u32 rssi;
- u32 channel;
- u16 beaconperiod;
- __le16 atimwindow;
-
- /* IW_MODE_AUTO, IW_MODE_ADHOC, IW_MODE_INFRA */
- u8 mode;
-
- /* zero-terminated array of supported data rates */
- u8 rates[MAX_RATES + 1];
-
- unsigned long last_scanned;
-
- union ieee_phy_param_set phy;
- union ieee_ss_param_set ss;
-
- u8 wpa_ie[MAX_WPA_IE_LEN];
- size_t wpa_ie_len;
- u8 rsn_ie[MAX_WPA_IE_LEN];
- size_t rsn_ie_len;
-
- u8 mesh;
-
- struct list_head list;
-};
-
-/** Association request
- *
- * Encapsulates all the options that describe a specific assocation request
- * or configuration of the wireless card's radio, mode, and security settings.
- */
-struct assoc_request {
-#define ASSOC_FLAG_SSID 1
-#define ASSOC_FLAG_CHANNEL 2
-#define ASSOC_FLAG_BAND 3
-#define ASSOC_FLAG_MODE 4
-#define ASSOC_FLAG_BSSID 5
-#define ASSOC_FLAG_WEP_KEYS 6
-#define ASSOC_FLAG_WEP_TX_KEYIDX 7
-#define ASSOC_FLAG_WPA_MCAST_KEY 8
-#define ASSOC_FLAG_WPA_UCAST_KEY 9
-#define ASSOC_FLAG_SECINFO 10
-#define ASSOC_FLAG_WPA_IE 11
- unsigned long flags;
-
- u8 ssid[IEEE80211_MAX_SSID_LEN + 1];
- u8 ssid_len;
- u8 channel;
- u8 band;
- u8 mode;
- u8 bssid[ETH_ALEN] __attribute__ ((aligned (2)));
-
- /** WEP keys */
- struct enc_key wep_keys[4];
- u16 wep_tx_keyidx;
-
- /** WPA keys */
- struct enc_key wpa_mcast_key;
- struct enc_key wpa_unicast_key;
-
- struct lbs_802_11_security secinfo;
-
- /** WPA Information Elements*/
- u8 wpa_ie[MAX_WPA_IE_LEN];
- u8 wpa_ie_len;
-
- /* BSS to associate with for infrastructure of Ad-Hoc join */
- struct bss_descriptor bss;
-};
-
-
-extern u8 lbs_bg_rates[MAX_RATES];
-
-void lbs_association_worker(struct work_struct *work);
-struct assoc_request *lbs_get_association_request(struct lbs_private *priv);
-
-int lbs_adhoc_stop(struct lbs_private *priv);
-
-int lbs_cmd_80211_deauthenticate(struct lbs_private *priv,
- u8 bssid[ETH_ALEN], u16 reason);
-
-int lbs_cmd_802_11_rssi(struct lbs_private *priv,
- struct cmd_ds_command *cmd);
-int lbs_ret_802_11_rssi(struct lbs_private *priv,
- struct cmd_ds_command *resp);
-
-int lbs_cmd_bcn_ctrl(struct lbs_private *priv,
- struct cmd_ds_command *cmd,
- u16 cmd_action);
-int lbs_ret_802_11_bcn_ctrl(struct lbs_private *priv,
- struct cmd_ds_command *resp);
-
-int lbs_cmd_802_11_set_wep(struct lbs_private *priv, uint16_t cmd_action,
- struct assoc_request *assoc);
-
-int lbs_cmd_802_11_enable_rsn(struct lbs_private *priv, uint16_t cmd_action,
- uint16_t *enable);
-
-int lbs_cmd_802_11_key_material(struct lbs_private *priv, uint16_t cmd_action,
- struct assoc_request *assoc);
-
-#endif /* _LBS_ASSOC_H */
@@ -1,2239 +0,0 @@
-/* Copyright (C) 2006, Red Hat, Inc. */
-
-#include <linux/types.h>
-#include <linux/etherdevice.h>
-#include <linux/ieee80211.h>
-#include <linux/if_arp.h>
-#include <net/lib80211.h>
-
-#include "assoc.h"
-#include "decl.h"
-#include "host.h"
-#include "scan.h"
-#include "cmd.h"
-
-static const u8 bssid_any[ETH_ALEN] __attribute__ ((aligned (2))) =
- { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
-static const u8 bssid_off[ETH_ALEN] __attribute__ ((aligned (2))) =
- { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
-
-/* The firmware needs the following bits masked out of the beacon-derived
- * capability field when associating/joining to a BSS:
- * 9 (QoS), 11 (APSD), 12 (unused), 14 (unused), 15 (unused)
- */
-#define CAPINFO_MASK (~(0xda00))
-
-/**
- * 802.11b/g supported bitrates (in 500Kb/s units)
- */
-u8 lbs_bg_rates[MAX_RATES] =
- { 0x02, 0x04, 0x0b, 0x16, 0x0c, 0x12, 0x18, 0x24, 0x30, 0x48, 0x60, 0x6c,
-0x00, 0x00 };
-
-
-/**
- * @brief This function finds common rates between rates and card rates.
- *
- * It will fill common rates in rates as output if found.
- *
- * NOTE: Setting the MSB of the basic rates need to be taken
- * care, either before or after calling this function
- *
- * @param priv A pointer to struct lbs_private structure
- * @param rates the buffer which keeps input and output
- * @param rates_size the size of rates buffer; new size of buffer on return,
- * which will be less than or equal to original rates_size
- *
- * @return 0 on success, or -1 on error
- */
-static int get_common_rates(struct lbs_private *priv,
- u8 *rates,
- u16 *rates_size)
-{
- int i, j;
- u8 intersection[MAX_RATES];
- u16 intersection_size;
- u16 num_rates = 0;
-
- intersection_size = min_t(u16, *rates_size, ARRAY_SIZE(intersection));
-
- /* Allow each rate from 'rates' that is supported by the hardware */
- for (i = 0; i < ARRAY_SIZE(lbs_bg_rates) && lbs_bg_rates[i]; i++) {
- for (j = 0; j < intersection_size && rates[j]; j++) {
- if (rates[j] == lbs_bg_rates[i])
- intersection[num_rates++] = rates[j];
- }
- }
-
- lbs_deb_hex(LBS_DEB_JOIN, "AP rates ", rates, *rates_size);
- lbs_deb_hex(LBS_DEB_JOIN, "card rates ", lbs_bg_rates,
- ARRAY_SIZE(lbs_bg_rates));
- lbs_deb_hex(LBS_DEB_JOIN, "common rates", intersection, num_rates);
- lbs_deb_join("TX data rate 0x%02x\n", priv->cur_rate);
-
- if (!priv->enablehwauto) {
- for (i = 0; i < num_rates; i++) {
- if (intersection[i] == priv->cur_rate)
- goto done;
- }
- lbs_pr_alert("Previously set fixed data rate %#x isn't "
- "compatible with the network.\n", priv->cur_rate);
- return -1;
- }
-
-done:
- memset(rates, 0, *rates_size);
- *rates_size = num_rates;
- memcpy(rates, intersection, num_rates);
- return 0;
-}
-
-
-/**
- * @brief Sets the MSB on basic rates as the firmware requires
- *
- * Scan through an array and set the MSB for basic data rates.
- *
- * @param rates buffer of data rates
- * @param len size of buffer
- */
-static void lbs_set_basic_rate_flags(u8 *rates, size_t len)
-{
- int i;
-
- for (i = 0; i < len; i++) {
- if (rates[i] == 0x02 || rates[i] == 0x04 ||
- rates[i] == 0x0b || rates[i] == 0x16)
- rates[i] |= 0x80;
- }
-}
-
-
-static u8 iw_auth_to_ieee_auth(u8 auth)
-{
- if (auth == IW_AUTH_ALG_OPEN_SYSTEM)
- return 0x00;
- else if (auth == IW_AUTH_ALG_SHARED_KEY)
- return 0x01;
- else if (auth == IW_AUTH_ALG_LEAP)
- return 0x80;
-
- lbs_deb_join("%s: invalid auth alg 0x%X\n", __func__, auth);
- return 0;
-}
-
-/**
- * @brief This function prepares the authenticate command. AUTHENTICATE only
- * sets the authentication suite for future associations, as the firmware
- * handles authentication internally during the ASSOCIATE command.
- *
- * @param priv A pointer to struct lbs_private structure
- * @param bssid The peer BSSID with which to authenticate
- * @param auth The authentication mode to use (from wireless.h)
- *
- * @return 0 or -1
- */
-static int lbs_set_authentication(struct lbs_private *priv, u8 bssid[6], u8 auth)
-{
- struct cmd_ds_802_11_authenticate cmd;
- int ret = -1;
-
- lbs_deb_enter(LBS_DEB_JOIN);
-
- cmd.hdr.size = cpu_to_le16(sizeof(cmd));
- memcpy(cmd.bssid, bssid, ETH_ALEN);
-
- cmd.authtype = iw_auth_to_ieee_auth(auth);
-
- lbs_deb_join("AUTH_CMD: BSSID %pM, auth 0x%x\n", bssid, cmd.authtype);
-
- ret = lbs_cmd_with_response(priv, CMD_802_11_AUTHENTICATE, &cmd);
-
- lbs_deb_leave_args(LBS_DEB_JOIN, "ret %d", ret);
- return ret;
-}
-
-
-int lbs_cmd_802_11_set_wep(struct lbs_private *priv, uint16_t cmd_action,
- struct assoc_request *assoc)
-{
- struct cmd_ds_802_11_set_wep cmd;
- int ret = 0;
-
- lbs_deb_enter(LBS_DEB_CMD);
-
- memset(&cmd, 0, sizeof(cmd));
- cmd.hdr.command = cpu_to_le16(CMD_802_11_SET_WEP);
- cmd.hdr.size = cpu_to_le16(sizeof(cmd));
-
- cmd.action = cpu_to_le16(cmd_action);
-
- if (cmd_action == CMD_ACT_ADD) {
- int i;
-
- /* default tx key index */
- cmd.keyindex = cpu_to_le16(assoc->wep_tx_keyidx &
- CMD_WEP_KEY_INDEX_MASK);
-
- /* Copy key types and material to host command structure */
- for (i = 0; i < 4; i++) {
- struct enc_key *pkey = &assoc->wep_keys[i];
-
- switch (pkey->len) {
- case KEY_LEN_WEP_40:
- cmd.keytype[i] = CMD_TYPE_WEP_40_BIT;
- memmove(cmd.keymaterial[i], pkey->key, pkey->len);
- lbs_deb_cmd("SET_WEP: add key %d (40 bit)\n", i);
- break;
- case KEY_LEN_WEP_104:
- cmd.keytype[i] = CMD_TYPE_WEP_104_BIT;
- memmove(cmd.keymaterial[i], pkey->key, pkey->len);
- lbs_deb_cmd("SET_WEP: add key %d (104 bit)\n", i);
- break;
- case 0:
- break;
- default:
- lbs_deb_cmd("SET_WEP: invalid key %d, length %d\n",
- i, pkey->len);
- ret = -1;
- goto done;
- break;
- }
- }
- } else if (cmd_action == CMD_ACT_REMOVE) {
- /* ACT_REMOVE clears _all_ WEP keys */
-
- /* default tx key index */
- cmd.keyindex = cpu_to_le16(priv->wep_tx_keyidx &
- CMD_WEP_KEY_INDEX_MASK);
- lbs_deb_cmd("SET_WEP: remove key %d\n", priv->wep_tx_keyidx);
- }
-
- ret = lbs_cmd_with_response(priv, CMD_802_11_SET_WEP, &cmd);
-done:
- lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
- return ret;
-}
-
-int lbs_cmd_802_11_enable_rsn(struct lbs_private *priv, uint16_t cmd_action,
- uint16_t *enable)
-{
- struct cmd_ds_802_11_enable_rsn cmd;
- int ret;
-
- lbs_deb_enter(LBS_DEB_CMD);
-
- cmd.hdr.size = cpu_to_le16(sizeof(cmd));
- cmd.action = cpu_to_le16(cmd_action);
-
- if (cmd_action == CMD_ACT_GET)
- cmd.enable = 0;
- else {
- if (*enable)
- cmd.enable = cpu_to_le16(CMD_ENABLE_RSN);
- else
- cmd.enable = cpu_to_le16(CMD_DISABLE_RSN);
- lbs_deb_cmd("ENABLE_RSN: %d\n", *enable);
- }
-
- ret = lbs_cmd_with_response(priv, CMD_802_11_ENABLE_RSN, &cmd);
- if (!ret && cmd_action == CMD_ACT_GET)
- *enable = le16_to_cpu(cmd.enable);
-
- lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
- return ret;
-}
-
-static void set_one_wpa_key(struct MrvlIEtype_keyParamSet *keyparam,
- struct enc_key *key)
-{
- lbs_deb_enter(LBS_DEB_CMD);
-
- if (key->flags & KEY_INFO_WPA_ENABLED)
- keyparam->keyinfo |= cpu_to_le16(KEY_INFO_WPA_ENABLED);
- if (key->flags & KEY_INFO_WPA_UNICAST)
- keyparam->keyinfo |= cpu_to_le16(KEY_INFO_WPA_UNICAST);
- if (key->flags & KEY_INFO_WPA_MCAST)
- keyparam->keyinfo |= cpu_to_le16(KEY_INFO_WPA_MCAST);
-
- keyparam->type = cpu_to_le16(TLV_TYPE_KEY_MATERIAL);
- keyparam->keytypeid = cpu_to_le16(key->type);
- keyparam->keylen = cpu_to_le16(key->len);
- memcpy(keyparam->key, key->key, key->len);
-
- /* Length field doesn't include the {type,length} header */
- keyparam->length = cpu_to_le16(sizeof(*keyparam) - 4);
- lbs_deb_leave(LBS_DEB_CMD);
-}
-
-int lbs_cmd_802_11_key_material(struct lbs_private *priv, uint16_t cmd_action,
- struct assoc_request *assoc)
-{
- struct cmd_ds_802_11_key_material cmd;
- int ret = 0;
- int index = 0;
-
- lbs_deb_enter(LBS_DEB_CMD);
-
- cmd.action = cpu_to_le16(cmd_action);
- cmd.hdr.size = cpu_to_le16(sizeof(cmd));
-
- if (cmd_action == CMD_ACT_GET) {
- cmd.hdr.size = cpu_to_le16(sizeof(struct cmd_header) + 2);
- } else {
- memset(cmd.keyParamSet, 0, sizeof(cmd.keyParamSet));
-
- if (test_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc->flags)) {
- set_one_wpa_key(&cmd.keyParamSet[index],
- &assoc->wpa_unicast_key);
- index++;
- }
-
- if (test_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc->flags)) {
- set_one_wpa_key(&cmd.keyParamSet[index],
- &assoc->wpa_mcast_key);
- index++;
- }
-
- /* The common header and as many keys as we included */
- cmd.hdr.size = cpu_to_le16(offsetof(typeof(cmd),
- keyParamSet[index]));
- }
- ret = lbs_cmd_with_response(priv, CMD_802_11_KEY_MATERIAL, &cmd);
- /* Copy the returned key to driver private data */
- if (!ret && cmd_action == CMD_ACT_GET) {
- void *buf_ptr = cmd.keyParamSet;
- void *resp_end = &(&cmd)[1];
-
- while (buf_ptr < resp_end) {
- struct MrvlIEtype_keyParamSet *keyparam = buf_ptr;
- struct enc_key *key;
- uint16_t param_set_len = le16_to_cpu(keyparam->length);
- uint16_t key_len = le16_to_cpu(keyparam->keylen);
- uint16_t key_flags = le16_to_cpu(keyparam->keyinfo);
- uint16_t key_type = le16_to_cpu(keyparam->keytypeid);
- void *end;
-
- end = (void *)keyparam + sizeof(keyparam->type)
- + sizeof(keyparam->length) + param_set_len;
-
- /* Make sure we don't access past the end of the IEs */
- if (end > resp_end)
- break;
-
- if (key_flags & KEY_INFO_WPA_UNICAST)
- key = &priv->wpa_unicast_key;
- else if (key_flags & KEY_INFO_WPA_MCAST)
- key = &priv->wpa_mcast_key;
- else
- break;
-
- /* Copy returned key into driver */
- memset(key, 0, sizeof(struct enc_key));
- if (key_len > sizeof(key->key))
- break;
- key->type = key_type;
- key->flags = key_flags;
- key->len = key_len;
- memcpy(key->key, keyparam->key, key->len);
-
- buf_ptr = end + 1;
- }
- }
-
- lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
- return ret;
-}
-
-static __le16 lbs_rate_to_fw_bitmap(int rate, int lower_rates_ok)
-{
-/* Bit Rate
-* 15:13 Reserved
-* 12 54 Mbps
-* 11 48 Mbps
-* 10 36 Mbps
-* 9 24 Mbps
-* 8 18 Mbps
-* 7 12 Mbps
-* 6 9 Mbps
-* 5 6 Mbps
-* 4 Reserved
-* 3 11 Mbps
-* 2 5.5 Mbps
-* 1 2 Mbps
-* 0 1 Mbps
-**/
-
- uint16_t ratemask;
- int i = lbs_data_rate_to_fw_index(rate);
- if (lower_rates_ok)
- ratemask = (0x1fef >> (12 - i));
- else
- ratemask = (1 << i);
- return cpu_to_le16(ratemask);
-}
-
-int lbs_cmd_802_11_rate_adapt_rateset(struct lbs_private *priv,
- uint16_t cmd_action)
-{
- struct cmd_ds_802_11_rate_adapt_rateset cmd;
- int ret;
-
- lbs_deb_enter(LBS_DEB_CMD);
-
- if (!priv->cur_rate && !priv->enablehwauto)
- return -EINVAL;
-
- cmd.hdr.size = cpu_to_le16(sizeof(cmd));
-
- cmd.action = cpu_to_le16(cmd_action);
- cmd.enablehwauto = cpu_to_le16(priv->enablehwauto);
- cmd.bitmap = lbs_rate_to_fw_bitmap(priv->cur_rate, priv->enablehwauto);
- ret = lbs_cmd_with_response(priv, CMD_802_11_RATE_ADAPT_RATESET, &cmd);
- if (!ret && cmd_action == CMD_ACT_GET)
- priv->enablehwauto = le16_to_cpu(cmd.enablehwauto);
-
- lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
- return ret;
-}
-
-/**
- * @brief Set the data rate
- *
- * @param priv A pointer to struct lbs_private structure
- * @param rate The desired data rate, or 0 to clear a locked rate
- *
- * @return 0 on success, error on failure
- */
-int lbs_set_data_rate(struct lbs_private *priv, u8 rate)
-{
- struct cmd_ds_802_11_data_rate cmd;
- int ret = 0;
-
- lbs_deb_enter(LBS_DEB_CMD);
-
- memset(&cmd, 0, sizeof(cmd));
- cmd.hdr.size = cpu_to_le16(sizeof(cmd));
-
- if (rate > 0) {
- cmd.action = cpu_to_le16(CMD_ACT_SET_TX_FIX_RATE);
- cmd.rates[0] = lbs_data_rate_to_fw_index(rate);
- if (cmd.rates[0] == 0) {
- lbs_deb_cmd("DATA_RATE: invalid requested rate of"
- " 0x%02X\n", rate);
- ret = 0;
- goto out;
- }
- lbs_deb_cmd("DATA_RATE: set fixed 0x%02X\n", cmd.rates[0]);
- } else {
- cmd.action = cpu_to_le16(CMD_ACT_SET_TX_AUTO);
- lbs_deb_cmd("DATA_RATE: setting auto\n");
- }
-
- ret = lbs_cmd_with_response(priv, CMD_802_11_DATA_RATE, &cmd);
- if (ret)
- goto out;
-
- lbs_deb_hex(LBS_DEB_CMD, "DATA_RATE_RESP", (u8 *) &cmd, sizeof(cmd));
-
- /* FIXME: get actual rates FW can do if this command actually returns
- * all data rates supported.
- */
- priv->cur_rate = lbs_fw_index_to_data_rate(cmd.rates[0]);
- lbs_deb_cmd("DATA_RATE: current rate is 0x%02x\n", priv->cur_rate);
-
-out:
- lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
- return ret;
-}
-
-
-int lbs_cmd_802_11_rssi(struct lbs_private *priv,
- struct cmd_ds_command *cmd)
-{
-
- lbs_deb_enter(LBS_DEB_CMD);
- cmd->command = cpu_to_le16(CMD_802_11_RSSI);
- cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_rssi) +
- sizeof(struct cmd_header));
- cmd->params.rssi.N = cpu_to_le16(DEFAULT_BCN_AVG_FACTOR);
-
- /* reset Beacon SNR/NF/RSSI values */
- priv->SNR[TYPE_BEACON][TYPE_NOAVG] = 0;
- priv->SNR[TYPE_BEACON][TYPE_AVG] = 0;
- priv->NF[TYPE_BEACON][TYPE_NOAVG] = 0;
- priv->NF[TYPE_BEACON][TYPE_AVG] = 0;
- priv->RSSI[TYPE_BEACON][TYPE_NOAVG] = 0;
- priv->RSSI[TYPE_BEACON][TYPE_AVG] = 0;
-
- lbs_deb_leave(LBS_DEB_CMD);
- return 0;
-}
-
-int lbs_ret_802_11_rssi(struct lbs_private *priv,
- struct cmd_ds_command *resp)
-{
- struct cmd_ds_802_11_rssi_rsp *rssirsp = &resp->params.rssirsp;
-
- lbs_deb_enter(LBS_DEB_CMD);
-
- /* store the non average value */
- priv->SNR[TYPE_BEACON][TYPE_NOAVG] = get_unaligned_le16(&rssirsp->SNR);
- priv->NF[TYPE_BEACON][TYPE_NOAVG] =
- get_unaligned_le16(&rssirsp->noisefloor);
-
- priv->SNR[TYPE_BEACON][TYPE_AVG] = get_unaligned_le16(&rssirsp->avgSNR);
- priv->NF[TYPE_BEACON][TYPE_AVG] =
- get_unaligned_le16(&rssirsp->avgnoisefloor);
-
- priv->RSSI[TYPE_BEACON][TYPE_NOAVG] =
- CAL_RSSI(priv->SNR[TYPE_BEACON][TYPE_NOAVG],
- priv->NF[TYPE_BEACON][TYPE_NOAVG]);
-
- priv->RSSI[TYPE_BEACON][TYPE_AVG] =
- CAL_RSSI(priv->SNR[TYPE_BEACON][TYPE_AVG] / AVG_SCALE,
- priv->NF[TYPE_BEACON][TYPE_AVG] / AVG_SCALE);
-
- lbs_deb_cmd("RSSI: beacon %d, avg %d\n",
- priv->RSSI[TYPE_BEACON][TYPE_NOAVG],
- priv->RSSI[TYPE_BEACON][TYPE_AVG]);
-
- lbs_deb_leave(LBS_DEB_CMD);
- return 0;
-}
-
-
-int lbs_cmd_bcn_ctrl(struct lbs_private *priv,
- struct cmd_ds_command *cmd,
- u16 cmd_action)
-{
- struct cmd_ds_802_11_beacon_control
- *bcn_ctrl = &cmd->params.bcn_ctrl;
-
- lbs_deb_enter(LBS_DEB_CMD);
- cmd->size =
- cpu_to_le16(sizeof(struct cmd_ds_802_11_beacon_control)
- + sizeof(struct cmd_header));
- cmd->command = cpu_to_le16(CMD_802_11_BEACON_CTRL);
-
- bcn_ctrl->action = cpu_to_le16(cmd_action);
- bcn_ctrl->beacon_enable = cpu_to_le16(priv->beacon_enable);
- bcn_ctrl->beacon_period = cpu_to_le16(priv->beacon_period);
-
- lbs_deb_leave(LBS_DEB_CMD);
- return 0;
-}
-
-int lbs_ret_802_11_bcn_ctrl(struct lbs_private *priv,
- struct cmd_ds_command *resp)
-{
- struct cmd_ds_802_11_beacon_control *bcn_ctrl =
- &resp->params.bcn_ctrl;
-
- lbs_deb_enter(LBS_DEB_CMD);
-
- if (bcn_ctrl->action == CMD_ACT_GET) {
- priv->beacon_enable = (u8) le16_to_cpu(bcn_ctrl->beacon_enable);
- priv->beacon_period = le16_to_cpu(bcn_ctrl->beacon_period);
- }
-
- lbs_deb_enter(LBS_DEB_CMD);
- return 0;
-}
-
-
-
-static int lbs_assoc_post(struct lbs_private *priv,
- struct cmd_ds_802_11_associate_response *resp)
-{
- int ret = 0;
- union iwreq_data wrqu;
- struct bss_descriptor *bss;
- u16 status_code;
-
- lbs_deb_enter(LBS_DEB_ASSOC);
-
- if (!priv->in_progress_assoc_req) {
- lbs_deb_assoc("ASSOC_RESP: no in-progress assoc request\n");
- ret = -1;
- goto done;
- }
- bss = &priv->in_progress_assoc_req->bss;
-
- /*
- * Older FW versions map the IEEE 802.11 Status Code in the association
- * response to the following values returned in resp->statuscode:
- *
- * IEEE Status Code Marvell Status Code
- * 0 -> 0x0000 ASSOC_RESULT_SUCCESS
- * 13 -> 0x0004 ASSOC_RESULT_AUTH_REFUSED
- * 14 -> 0x0004 ASSOC_RESULT_AUTH_REFUSED
- * 15 -> 0x0004 ASSOC_RESULT_AUTH_REFUSED
- * 16 -> 0x0004 ASSOC_RESULT_AUTH_REFUSED
- * others -> 0x0003 ASSOC_RESULT_REFUSED
- *
- * Other response codes:
- * 0x0001 -> ASSOC_RESULT_INVALID_PARAMETERS (unused)
- * 0x0002 -> ASSOC_RESULT_TIMEOUT (internal timer expired waiting for
- * association response from the AP)
- */
-
- status_code = le16_to_cpu(resp->statuscode);
- if (priv->fwrelease < 0x09000000) {
- switch (status_code) {
- case 0x00:
- break;
- case 0x01:
- lbs_deb_assoc("ASSOC_RESP: invalid parameters\n");
- break;
- case 0x02:
- lbs_deb_assoc("ASSOC_RESP: internal timer "
- "expired while waiting for the AP\n");
- break;
- case 0x03:
- lbs_deb_assoc("ASSOC_RESP: association "
- "refused by AP\n");
- break;
- case 0x04:
- lbs_deb_assoc("ASSOC_RESP: authentication "
- "refused by AP\n");
- break;
- default:
- lbs_deb_assoc("ASSOC_RESP: failure reason 0x%02x "
- " unknown\n", status_code);
- break;
- }
- } else {
- /* v9+ returns the AP's association response */
- lbs_deb_assoc("ASSOC_RESP: failure reason 0x%02x\n", status_code);
- }
-
- if (status_code) {
- lbs_mac_event_disconnected(priv);
- ret = -1;
- goto done;
- }
-
- lbs_deb_hex(LBS_DEB_ASSOC, "ASSOC_RESP",
- (void *) (resp + sizeof (resp->hdr)),
- le16_to_cpu(resp->hdr.size) - sizeof (resp->hdr));
-
- /* Send a Media Connected event, according to the Spec */
- priv->connect_status = LBS_CONNECTED;
-
- /* Update current SSID and BSSID */
- memcpy(&priv->curbssparams.ssid, &bss->ssid, IEEE80211_MAX_SSID_LEN);
- priv->curbssparams.ssid_len = bss->ssid_len;
- memcpy(priv->curbssparams.bssid, bss->bssid, ETH_ALEN);
-
- priv->SNR[TYPE_RXPD][TYPE_AVG] = 0;
- priv->NF[TYPE_RXPD][TYPE_AVG] = 0;
-
- memset(priv->rawSNR, 0x00, sizeof(priv->rawSNR));
- memset(priv->rawNF, 0x00, sizeof(priv->rawNF));
- priv->nextSNRNF = 0;
- priv->numSNRNF = 0;
-
- netif_carrier_on(priv->dev);
- if (!priv->tx_pending_len)
- netif_wake_queue(priv->dev);
-
- memcpy(wrqu.ap_addr.sa_data, priv->curbssparams.bssid, ETH_ALEN);
- wrqu.ap_addr.sa_family = ARPHRD_ETHER;
- wireless_send_event(priv->dev, SIOCGIWAP, &wrqu, NULL);
-
-done:
- lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
- return ret;
-}
-
-/**
- * @brief This function prepares an association-class command.
- *
- * @param priv A pointer to struct lbs_private structure
- * @param assoc_req The association request describing the BSS to associate
- * or reassociate with
- * @param command The actual command, either CMD_802_11_ASSOCIATE or
- * CMD_802_11_REASSOCIATE
- *
- * @return 0 or -1
- */
-static int lbs_associate(struct lbs_private *priv,
- struct assoc_request *assoc_req,
- u16 command)
-{
- struct cmd_ds_802_11_associate cmd;
- int ret = 0;
- struct bss_descriptor *bss = &assoc_req->bss;
- u8 *pos = &(cmd.iebuf[0]);
- u16 tmpcap, tmplen, tmpauth;
- struct mrvl_ie_ssid_param_set *ssid;
- struct mrvl_ie_ds_param_set *ds;
- struct mrvl_ie_cf_param_set *cf;
- struct mrvl_ie_rates_param_set *rates;
- struct mrvl_ie_rsn_param_set *rsn;
- struct mrvl_ie_auth_type *auth;
-
- lbs_deb_enter(LBS_DEB_ASSOC);
-
- BUG_ON((command != CMD_802_11_ASSOCIATE) &&
- (command != CMD_802_11_REASSOCIATE));
-
- memset(&cmd, 0, sizeof(cmd));
- cmd.hdr.command = cpu_to_le16(command);
-
- /* Fill in static fields */
- memcpy(cmd.bssid, bss->bssid, ETH_ALEN);
- cmd.listeninterval = cpu_to_le16(MRVDRV_DEFAULT_LISTEN_INTERVAL);
-
- /* Capability info */
- tmpcap = (bss->capability & CAPINFO_MASK);
- if (bss->mode == IW_MODE_INFRA)
- tmpcap |= WLAN_CAPABILITY_ESS;
- cmd.capability = cpu_to_le16(tmpcap);
- lbs_deb_assoc("ASSOC_CMD: capability 0x%04x\n", tmpcap);
-
- /* SSID */
- ssid = (struct mrvl_ie_ssid_param_set *) pos;
- ssid->header.type = cpu_to_le16(TLV_TYPE_SSID);
- tmplen = bss->ssid_len;
- ssid->header.len = cpu_to_le16(tmplen);
- memcpy(ssid->ssid, bss->ssid, tmplen);
- pos += sizeof(ssid->header) + tmplen;
-
- ds = (struct mrvl_ie_ds_param_set *) pos;
- ds->header.type = cpu_to_le16(TLV_TYPE_PHY_DS);
- ds->header.len = cpu_to_le16(1);
- ds->channel = bss->phy.ds.channel;
- pos += sizeof(ds->header) + 1;
-
- cf = (struct mrvl_ie_cf_param_set *) pos;
- cf->header.type = cpu_to_le16(TLV_TYPE_CF);
- tmplen = sizeof(*cf) - sizeof (cf->header);
- cf->header.len = cpu_to_le16(tmplen);
- /* IE payload should be zeroed, firmware fills it in for us */
- pos += sizeof(*cf);
-
- rates = (struct mrvl_ie_rates_param_set *) pos;
- rates->header.type = cpu_to_le16(TLV_TYPE_RATES);
- tmplen = min_t(u16, ARRAY_SIZE(bss->rates), MAX_RATES);
- memcpy(&rates->rates, &bss->rates, tmplen);
- if (get_common_rates(priv, rates->rates, &tmplen)) {
- ret = -1;
- goto done;
- }
- pos += sizeof(rates->header) + tmplen;
- rates->header.len = cpu_to_le16(tmplen);
- lbs_deb_assoc("ASSOC_CMD: num rates %u\n", tmplen);
-
- /* Copy the infra. association rates into Current BSS state structure */
- memset(&priv->curbssparams.rates, 0, sizeof(priv->curbssparams.rates));
- memcpy(&priv->curbssparams.rates, &rates->rates, tmplen);
-
- /* Set MSB on basic rates as the firmware requires, but _after_
- * copying to current bss rates.
- */
- lbs_set_basic_rate_flags(rates->rates, tmplen);
-
- /* Firmware v9+ indicate authentication suites as a TLV */
- if (priv->fwrelease >= 0x09000000) {
- auth = (struct mrvl_ie_auth_type *) pos;
- auth->header.type = cpu_to_le16(TLV_TYPE_AUTH_TYPE);
- auth->header.len = cpu_to_le16(2);
- tmpauth = iw_auth_to_ieee_auth(priv->secinfo.auth_mode);
- auth->auth = cpu_to_le16(tmpauth);
- pos += sizeof(auth->header) + 2;
-
- lbs_deb_join("AUTH_CMD: BSSID %pM, auth 0x%x\n",
- bss->bssid, priv->secinfo.auth_mode);
- }
-
- /* WPA/WPA2 IEs */
- if (assoc_req->secinfo.WPAenabled || assoc_req->secinfo.WPA2enabled) {
- rsn = (struct mrvl_ie_rsn_param_set *) pos;
- /* WPA_IE or WPA2_IE */
- rsn->header.type = cpu_to_le16((u16) assoc_req->wpa_ie[0]);
- tmplen = (u16) assoc_req->wpa_ie[1];
- rsn->header.len = cpu_to_le16(tmplen);
- memcpy(rsn->rsnie, &assoc_req->wpa_ie[2], tmplen);
- lbs_deb_hex(LBS_DEB_JOIN, "ASSOC_CMD: WPA/RSN IE", (u8 *) rsn,
- sizeof(rsn->header) + tmplen);
- pos += sizeof(rsn->header) + tmplen;
- }
-
- cmd.hdr.size = cpu_to_le16((sizeof(cmd) - sizeof(cmd.iebuf)) +
- (u16)(pos - (u8 *) &cmd.iebuf));
-
- /* update curbssparams */
- priv->channel = bss->phy.ds.channel;
-
- ret = lbs_cmd_with_response(priv, command, &cmd);
- if (ret == 0) {
- ret = lbs_assoc_post(priv,
- (struct cmd_ds_802_11_associate_response *) &cmd);
- }
-
-done:
- lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
- return ret;
-}
-
-/**
- * @brief Associate to a specific BSS discovered in a scan
- *
- * @param priv A pointer to struct lbs_private structure
- * @param assoc_req The association request describing the BSS to associate with
- *
- * @return 0-success, otherwise fail
- */
-static int lbs_try_associate(struct lbs_private *priv,
- struct assoc_request *assoc_req)
-{
- int ret;
- u8 preamble = RADIO_PREAMBLE_LONG;
-
- lbs_deb_enter(LBS_DEB_ASSOC);
-
- /* FW v9 and higher indicate authentication suites as a TLV in the
- * association command, not as a separate authentication command.
- */
- if (priv->fwrelease < 0x09000000) {
- ret = lbs_set_authentication(priv, assoc_req->bss.bssid,
- priv->secinfo.auth_mode);
- if (ret)
- goto out;
- }
-
- /* Use short preamble only when both the BSS and firmware support it */
- if (assoc_req->bss.capability & WLAN_CAPABILITY_SHORT_PREAMBLE)
- preamble = RADIO_PREAMBLE_SHORT;
-
- ret = lbs_set_radio(priv, preamble, 1);
- if (ret)
- goto out;
-
- ret = lbs_associate(priv, assoc_req, CMD_802_11_ASSOCIATE);
-
-out:
- lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
- return ret;
-}
-
-static int lbs_adhoc_post(struct lbs_private *priv,
- struct cmd_ds_802_11_ad_hoc_result *resp)
-{
- int ret = 0;
- u16 command = le16_to_cpu(resp->hdr.command);
- u16 result = le16_to_cpu(resp->hdr.result);
- union iwreq_data wrqu;
- struct bss_descriptor *bss;
- DECLARE_SSID_BUF(ssid);
-
- lbs_deb_enter(LBS_DEB_JOIN);
-
- if (!priv->in_progress_assoc_req) {
- lbs_deb_join("ADHOC_RESP: no in-progress association "
- "request\n");
- ret = -1;
- goto done;
- }
- bss = &priv->in_progress_assoc_req->bss;
-
- /*
- * Join result code 0 --> SUCCESS
- */
- if (result) {
- lbs_deb_join("ADHOC_RESP: failed (result 0x%X)\n", result);
- if (priv->connect_status == LBS_CONNECTED)
- lbs_mac_event_disconnected(priv);
- ret = -1;
- goto done;
- }
-
- /* Send a Media Connected event, according to the Spec */
- priv->connect_status = LBS_CONNECTED;
-
- if (command == CMD_RET(CMD_802_11_AD_HOC_START)) {
- /* Update the created network descriptor with the new BSSID */
- memcpy(bss->bssid, resp->bssid, ETH_ALEN);
- }
-
- /* Set the BSSID from the joined/started descriptor */
- memcpy(&priv->curbssparams.bssid, bss->bssid, ETH_ALEN);
-
- /* Set the new SSID to current SSID */
- memcpy(&priv->curbssparams.ssid, &bss->ssid, IEEE80211_MAX_SSID_LEN);
- priv->curbssparams.ssid_len = bss->ssid_len;
-
- netif_carrier_on(priv->dev);
- if (!priv->tx_pending_len)
- netif_wake_queue(priv->dev);
-
- memset(&wrqu, 0, sizeof(wrqu));
- memcpy(wrqu.ap_addr.sa_data, priv->curbssparams.bssid, ETH_ALEN);
- wrqu.ap_addr.sa_family = ARPHRD_ETHER;
- wireless_send_event(priv->dev, SIOCGIWAP, &wrqu, NULL);
-
- lbs_deb_join("ADHOC_RESP: Joined/started '%s', BSSID %pM, channel %d\n",
- print_ssid(ssid, bss->ssid, bss->ssid_len),
- priv->curbssparams.bssid,
- priv->channel);
-
-done:
- lbs_deb_leave_args(LBS_DEB_JOIN, "ret %d", ret);
- return ret;
-}
-
-/**
- * @brief Join an adhoc network found in a previous scan
- *
- * @param priv A pointer to struct lbs_private structure
- * @param assoc_req The association request describing the BSS to join
- *
- * @return 0 on success, error on failure
- */
-static int lbs_adhoc_join(struct lbs_private *priv,
- struct assoc_request *assoc_req)
-{
- struct cmd_ds_802_11_ad_hoc_join cmd;
- struct bss_descriptor *bss = &assoc_req->bss;
- u8 preamble = RADIO_PREAMBLE_LONG;
- DECLARE_SSID_BUF(ssid);
- u16 ratesize = 0;
- int ret = 0;
-
- lbs_deb_enter(LBS_DEB_ASSOC);
-
- lbs_deb_join("current SSID '%s', ssid length %u\n",
- print_ssid(ssid, priv->curbssparams.ssid,
- priv->curbssparams.ssid_len),
- priv->curbssparams.ssid_len);
- lbs_deb_join("requested ssid '%s', ssid length %u\n",
- print_ssid(ssid, bss->ssid, bss->ssid_len),
- bss->ssid_len);
-
- /* check if the requested SSID is already joined */
- if (priv->curbssparams.ssid_len &&
- !lbs_ssid_cmp(priv->curbssparams.ssid,
- priv->curbssparams.ssid_len,
- bss->ssid, bss->ssid_len) &&
- (priv->mode == IW_MODE_ADHOC) &&
- (priv->connect_status == LBS_CONNECTED)) {
- union iwreq_data wrqu;
-
- lbs_deb_join("ADHOC_J_CMD: New ad-hoc SSID is the same as "
- "current, not attempting to re-join");
-
- /* Send the re-association event though, because the association
- * request really was successful, even if just a null-op.
- */
- memset(&wrqu, 0, sizeof(wrqu));
- memcpy(wrqu.ap_addr.sa_data, priv->curbssparams.bssid,
- ETH_ALEN);
- wrqu.ap_addr.sa_family = ARPHRD_ETHER;
- wireless_send_event(priv->dev, SIOCGIWAP, &wrqu, NULL);
- goto out;
- }
-
- /* Use short preamble only when both the BSS and firmware support it */
- if (bss->capability & WLAN_CAPABILITY_SHORT_PREAMBLE) {
- lbs_deb_join("AdhocJoin: Short preamble\n");
- preamble = RADIO_PREAMBLE_SHORT;
- }
-
- ret = lbs_set_radio(priv, preamble, 1);
- if (ret)
- goto out;
-
- lbs_deb_join("AdhocJoin: channel = %d\n", assoc_req->channel);
- lbs_deb_join("AdhocJoin: band = %c\n", assoc_req->band);
-
- priv->adhoccreate = 0;
- priv->channel = bss->channel;
-
- /* Build the join command */
- memset(&cmd, 0, sizeof(cmd));
- cmd.hdr.size = cpu_to_le16(sizeof(cmd));
-
- cmd.bss.type = CMD_BSS_TYPE_IBSS;
- cmd.bss.beaconperiod = cpu_to_le16(bss->beaconperiod);
-
- memcpy(&cmd.bss.bssid, &bss->bssid, ETH_ALEN);
- memcpy(&cmd.bss.ssid, &bss->ssid, bss->ssid_len);
-
- memcpy(&cmd.bss.ds, &bss->phy.ds, sizeof(struct ieee_ie_ds_param_set));
-
- memcpy(&cmd.bss.ibss, &bss->ss.ibss,
- sizeof(struct ieee_ie_ibss_param_set));
-
- cmd.bss.capability = cpu_to_le16(bss->capability & CAPINFO_MASK);
- lbs_deb_join("ADHOC_J_CMD: tmpcap=%4X CAPINFO_MASK=%4X\n",
- bss->capability, CAPINFO_MASK);
-
- /* information on BSSID descriptor passed to FW */
- lbs_deb_join("ADHOC_J_CMD: BSSID = %pM, SSID = '%s'\n",
- cmd.bss.bssid, cmd.bss.ssid);
-
- /* Only v8 and below support setting these */
- if (priv->fwrelease < 0x09000000) {
- /* failtimeout */
- cmd.failtimeout = cpu_to_le16(MRVDRV_ASSOCIATION_TIME_OUT);
- /* probedelay */
- cmd.probedelay = cpu_to_le16(CMD_SCAN_PROBE_DELAY_TIME);
- }
-
- /* Copy Data rates from the rates recorded in scan response */
- memset(cmd.bss.rates, 0, sizeof(cmd.bss.rates));
- ratesize = min_t(u16, ARRAY_SIZE(cmd.bss.rates), ARRAY_SIZE (bss->rates));
- memcpy(cmd.bss.rates, bss->rates, ratesize);
- if (get_common_rates(priv, cmd.bss.rates, &ratesize)) {
- lbs_deb_join("ADHOC_JOIN: get_common_rates returned error.\n");
- ret = -1;
- goto out;
- }
-
- /* Copy the ad-hoc creation rates into Current BSS state structure */
- memset(&priv->curbssparams.rates, 0, sizeof(priv->curbssparams.rates));
- memcpy(&priv->curbssparams.rates, cmd.bss.rates, ratesize);
-
- /* Set MSB on basic rates as the firmware requires, but _after_
- * copying to current bss rates.
- */
- lbs_set_basic_rate_flags(cmd.bss.rates, ratesize);
-
- cmd.bss.ibss.atimwindow = bss->atimwindow;
-
- if (assoc_req->secinfo.wep_enabled) {
- u16 tmp = le16_to_cpu(cmd.bss.capability);
- tmp |= WLAN_CAPABILITY_PRIVACY;
- cmd.bss.capability = cpu_to_le16(tmp);
- }
-
- if (priv->psmode == LBS802_11POWERMODEMAX_PSP) {
- __le32 local_ps_mode = cpu_to_le32(LBS802_11POWERMODECAM);
-
- /* wake up first */
- ret = lbs_prepare_and_send_command(priv, CMD_802_11_PS_MODE,
- CMD_ACT_SET, 0, 0,
- &local_ps_mode);
- if (ret) {
- ret = -1;
- goto out;
- }
- }
-
- ret = lbs_cmd_with_response(priv, CMD_802_11_AD_HOC_JOIN, &cmd);
- if (ret == 0) {
- ret = lbs_adhoc_post(priv,
- (struct cmd_ds_802_11_ad_hoc_result *)&cmd);
- }
-
-out:
- lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
- return ret;
-}
-
-/**
- * @brief Start an Adhoc Network
- *
- * @param priv A pointer to struct lbs_private structure
- * @param assoc_req The association request describing the BSS to start
- *
- * @return 0 on success, error on failure
- */
-static int lbs_adhoc_start(struct lbs_private *priv,
- struct assoc_request *assoc_req)
-{
- struct cmd_ds_802_11_ad_hoc_start cmd;
- u8 preamble = RADIO_PREAMBLE_SHORT;
- size_t ratesize = 0;
- u16 tmpcap = 0;
- int ret = 0;
- DECLARE_SSID_BUF(ssid);
-
- lbs_deb_enter(LBS_DEB_ASSOC);
-
- ret = lbs_set_radio(priv, preamble, 1);
- if (ret)
- goto out;
-
- /* Build the start command */
- memset(&cmd, 0, sizeof(cmd));
- cmd.hdr.size = cpu_to_le16(sizeof(cmd));
-
- memcpy(cmd.ssid, assoc_req->ssid, assoc_req->ssid_len);
-
- lbs_deb_join("ADHOC_START: SSID '%s', ssid length %u\n",
- print_ssid(ssid, assoc_req->ssid, assoc_req->ssid_len),
- assoc_req->ssid_len);
-
- cmd.bsstype = CMD_BSS_TYPE_IBSS;
-
- if (priv->beacon_period == 0)
- priv->beacon_period = MRVDRV_BEACON_INTERVAL;
- cmd.beaconperiod = cpu_to_le16(priv->beacon_period);
-
- WARN_ON(!assoc_req->channel);
-
- /* set Physical parameter set */
- cmd.ds.header.id = WLAN_EID_DS_PARAMS;
- cmd.ds.header.len = 1;
- cmd.ds.channel = assoc_req->channel;
-
- /* set IBSS parameter set */
- cmd.ibss.header.id = WLAN_EID_IBSS_PARAMS;
- cmd.ibss.header.len = 2;
- cmd.ibss.atimwindow = cpu_to_le16(0);
-
- /* set capability info */
- tmpcap = WLAN_CAPABILITY_IBSS;
- if (assoc_req->secinfo.wep_enabled ||
- assoc_req->secinfo.WPAenabled ||
- assoc_req->secinfo.WPA2enabled) {
- lbs_deb_join("ADHOC_START: WEP/WPA enabled, privacy on\n");
- tmpcap |= WLAN_CAPABILITY_PRIVACY;
- } else
- lbs_deb_join("ADHOC_START: WEP disabled, privacy off\n");
-
- cmd.capability = cpu_to_le16(tmpcap);
-
- /* Only v8 and below support setting probe delay */
- if (priv->fwrelease < 0x09000000)
- cmd.probedelay = cpu_to_le16(CMD_SCAN_PROBE_DELAY_TIME);
-
- ratesize = min(sizeof(cmd.rates), sizeof(lbs_bg_rates));
- memcpy(cmd.rates, lbs_bg_rates, ratesize);
-
- /* Copy the ad-hoc creating rates into Current BSS state structure */
- memset(&priv->curbssparams.rates, 0, sizeof(priv->curbssparams.rates));
- memcpy(&priv->curbssparams.rates, &cmd.rates, ratesize);
-
- /* Set MSB on basic rates as the firmware requires, but _after_
- * copying to current bss rates.
- */
- lbs_set_basic_rate_flags(cmd.rates, ratesize);
-
- lbs_deb_join("ADHOC_START: rates=%02x %02x %02x %02x\n",
- cmd.rates[0], cmd.rates[1], cmd.rates[2], cmd.rates[3]);
-
- lbs_deb_join("ADHOC_START: Starting Ad-Hoc BSS on channel %d, band %d\n",
- assoc_req->channel, assoc_req->band);
-
- priv->adhoccreate = 1;
- priv->mode = IW_MODE_ADHOC;
-
- ret = lbs_cmd_with_response(priv, CMD_802_11_AD_HOC_START, &cmd);
- if (ret == 0)
- ret = lbs_adhoc_post(priv,
- (struct cmd_ds_802_11_ad_hoc_result *)&cmd);
-
-out:
- lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
- return ret;
-}
-
-/**
- * @brief Stop and Ad-Hoc network and exit Ad-Hoc mode
- *
- * @param priv A pointer to struct lbs_private structure
- * @return 0 on success, or an error
- */
-int lbs_adhoc_stop(struct lbs_private *priv)
-{
- struct cmd_ds_802_11_ad_hoc_stop cmd;
- int ret;
-
- lbs_deb_enter(LBS_DEB_JOIN);
-
- memset(&cmd, 0, sizeof (cmd));
- cmd.hdr.size = cpu_to_le16 (sizeof (cmd));
-
- ret = lbs_cmd_with_response(priv, CMD_802_11_AD_HOC_STOP, &cmd);
-
- /* Clean up everything even if there was an error */
- lbs_mac_event_disconnected(priv);
-
- lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
- return ret;
-}
-
-static inline int match_bss_no_security(struct lbs_802_11_security *secinfo,
- struct bss_descriptor *match_bss)
-{
- if (!secinfo->wep_enabled && !secinfo->WPAenabled
- && !secinfo->WPA2enabled
- && match_bss->wpa_ie[0] != WLAN_EID_GENERIC
- && match_bss->rsn_ie[0] != WLAN_EID_RSN
- && !(match_bss->capability & WLAN_CAPABILITY_PRIVACY))
- return 1;
- else
- return 0;
-}
-
-static inline int match_bss_static_wep(struct lbs_802_11_security *secinfo,
- struct bss_descriptor *match_bss)
-{
- if (secinfo->wep_enabled && !secinfo->WPAenabled
- && !secinfo->WPA2enabled
- && (match_bss->capability & WLAN_CAPABILITY_PRIVACY))
- return 1;
- else
- return 0;
-}
-
-static inline int match_bss_wpa(struct lbs_802_11_security *secinfo,
- struct bss_descriptor *match_bss)
-{
- if (!secinfo->wep_enabled && secinfo->WPAenabled
- && (match_bss->wpa_ie[0] == WLAN_EID_GENERIC)
- /* privacy bit may NOT be set in some APs like LinkSys WRT54G
- && (match_bss->capability & WLAN_CAPABILITY_PRIVACY) */
- )
- return 1;
- else
- return 0;
-}
-
-static inline int match_bss_wpa2(struct lbs_802_11_security *secinfo,
- struct bss_descriptor *match_bss)
-{
- if (!secinfo->wep_enabled && secinfo->WPA2enabled &&
- (match_bss->rsn_ie[0] == WLAN_EID_RSN)
- /* privacy bit may NOT be set in some APs like LinkSys WRT54G
- (match_bss->capability & WLAN_CAPABILITY_PRIVACY) */
- )
- return 1;
- else
- return 0;
-}
-
-static inline int match_bss_dynamic_wep(struct lbs_802_11_security *secinfo,
- struct bss_descriptor *match_bss)
-{
- if (!secinfo->wep_enabled && !secinfo->WPAenabled
- && !secinfo->WPA2enabled
- && (match_bss->wpa_ie[0] != WLAN_EID_GENERIC)
- && (match_bss->rsn_ie[0] != WLAN_EID_RSN)
- && (match_bss->capability & WLAN_CAPABILITY_PRIVACY))
- return 1;
- else
- return 0;
-}
-
-/**
- * @brief Check if a scanned network compatible with the driver settings
- *
- * WEP WPA WPA2 ad-hoc encrypt Network
- * enabled enabled enabled AES mode privacy WPA WPA2 Compatible
- * 0 0 0 0 NONE 0 0 0 yes No security
- * 1 0 0 0 NONE 1 0 0 yes Static WEP
- * 0 1 0 0 x 1x 1 x yes WPA
- * 0 0 1 0 x 1x x 1 yes WPA2
- * 0 0 0 1 NONE 1 0 0 yes Ad-hoc AES
- * 0 0 0 0 !=NONE 1 0 0 yes Dynamic WEP
- *
- *
- * @param priv A pointer to struct lbs_private
- * @param index Index in scantable to check against current driver settings
- * @param mode Network mode: Infrastructure or IBSS
- *
- * @return Index in scantable, or error code if negative
- */
-static int is_network_compatible(struct lbs_private *priv,
- struct bss_descriptor *bss, uint8_t mode)
-{
- int matched = 0;
-
- lbs_deb_enter(LBS_DEB_SCAN);
-
- if (bss->mode != mode)
- goto done;
-
- matched = match_bss_no_security(&priv->secinfo, bss);
- if (matched)
- goto done;
- matched = match_bss_static_wep(&priv->secinfo, bss);
- if (matched)
- goto done;
- matched = match_bss_wpa(&priv->secinfo, bss);
- if (matched) {
- lbs_deb_scan("is_network_compatible() WPA: wpa_ie 0x%x "
- "wpa2_ie 0x%x WEP %s WPA %s WPA2 %s "
- "privacy 0x%x\n", bss->wpa_ie[0], bss->rsn_ie[0],
- priv->secinfo.wep_enabled ? "e" : "d",
- priv->secinfo.WPAenabled ? "e" : "d",
- priv->secinfo.WPA2enabled ? "e" : "d",
- (bss->capability & WLAN_CAPABILITY_PRIVACY));
- goto done;
- }
- matched = match_bss_wpa2(&priv->secinfo, bss);
- if (matched) {
- lbs_deb_scan("is_network_compatible() WPA2: wpa_ie 0x%x "
- "wpa2_ie 0x%x WEP %s WPA %s WPA2 %s "
- "privacy 0x%x\n", bss->wpa_ie[0], bss->rsn_ie[0],
- priv->secinfo.wep_enabled ? "e" : "d",
- priv->secinfo.WPAenabled ? "e" : "d",
- priv->secinfo.WPA2enabled ? "e" : "d",
- (bss->capability & WLAN_CAPABILITY_PRIVACY));
- goto done;
- }
- matched = match_bss_dynamic_wep(&priv->secinfo, bss);
- if (matched) {
- lbs_deb_scan("is_network_compatible() dynamic WEP: "
- "wpa_ie 0x%x wpa2_ie 0x%x privacy 0x%x\n",
- bss->wpa_ie[0], bss->rsn_ie[0],
- (bss->capability & WLAN_CAPABILITY_PRIVACY));
- goto done;
- }
-
- /* bss security settings don't match those configured on card */
- lbs_deb_scan("is_network_compatible() FAILED: wpa_ie 0x%x "
- "wpa2_ie 0x%x WEP %s WPA %s WPA2 %s privacy 0x%x\n",
- bss->wpa_ie[0], bss->rsn_ie[0],
- priv->secinfo.wep_enabled ? "e" : "d",
- priv->secinfo.WPAenabled ? "e" : "d",
- priv->secinfo.WPA2enabled ? "e" : "d",
- (bss->capability & WLAN_CAPABILITY_PRIVACY));
-
-done:
- lbs_deb_leave_args(LBS_DEB_SCAN, "matched: %d", matched);
- return matched;
-}
-
-/**
- * @brief This function finds a specific compatible BSSID in the scan list
- *
- * Used in association code
- *
- * @param priv A pointer to struct lbs_private
- * @param bssid BSSID to find in the scan list
- * @param mode Network mode: Infrastructure or IBSS
- *
- * @return index in BSSID list, or error return code (< 0)
- */
-static struct bss_descriptor *lbs_find_bssid_in_list(struct lbs_private *priv,
- uint8_t *bssid, uint8_t mode)
-{
- struct bss_descriptor *iter_bss;
- struct bss_descriptor *found_bss = NULL;
-
- lbs_deb_enter(LBS_DEB_SCAN);
-
- if (!bssid)
- goto out;
-
- lbs_deb_hex(LBS_DEB_SCAN, "looking for", bssid, ETH_ALEN);
-
- /* Look through the scan table for a compatible match. The loop will
- * continue past a matched bssid that is not compatible in case there
- * is an AP with multiple SSIDs assigned to the same BSSID
- */
- mutex_lock(&priv->lock);
- list_for_each_entry(iter_bss, &priv->network_list, list) {
- if (compare_ether_addr(iter_bss->bssid, bssid))
- continue; /* bssid doesn't match */
- switch (mode) {
- case IW_MODE_INFRA:
- case IW_MODE_ADHOC:
- if (!is_network_compatible(priv, iter_bss, mode))
- break;
- found_bss = iter_bss;
- break;
- default:
- found_bss = iter_bss;
- break;
- }
- }
- mutex_unlock(&priv->lock);
-
-out:
- lbs_deb_leave_args(LBS_DEB_SCAN, "found_bss %p", found_bss);
- return found_bss;
-}
-
-/**
- * @brief This function finds ssid in ssid list.
- *
- * Used in association code
- *
- * @param priv A pointer to struct lbs_private
- * @param ssid SSID to find in the list
- * @param bssid BSSID to qualify the SSID selection (if provided)
- * @param mode Network mode: Infrastructure or IBSS
- *
- * @return index in BSSID list
- */
-static struct bss_descriptor *lbs_find_ssid_in_list(struct lbs_private *priv,
- uint8_t *ssid, uint8_t ssid_len,
- uint8_t *bssid, uint8_t mode,
- int channel)
-{
- u32 bestrssi = 0;
- struct bss_descriptor *iter_bss = NULL;
- struct bss_descriptor *found_bss = NULL;
- struct bss_descriptor *tmp_oldest = NULL;
-
- lbs_deb_enter(LBS_DEB_SCAN);
-
- mutex_lock(&priv->lock);
-
- list_for_each_entry(iter_bss, &priv->network_list, list) {
- if (!tmp_oldest ||
- (iter_bss->last_scanned < tmp_oldest->last_scanned))
- tmp_oldest = iter_bss;
-
- if (lbs_ssid_cmp(iter_bss->ssid, iter_bss->ssid_len,
- ssid, ssid_len) != 0)
- continue; /* ssid doesn't match */
- if (bssid && compare_ether_addr(iter_bss->bssid, bssid) != 0)
- continue; /* bssid doesn't match */
- if ((channel > 0) && (iter_bss->channel != channel))
- continue; /* channel doesn't match */
-
- switch (mode) {
- case IW_MODE_INFRA:
- case IW_MODE_ADHOC:
- if (!is_network_compatible(priv, iter_bss, mode))
- break;
-
- if (bssid) {
- /* Found requested BSSID */
- found_bss = iter_bss;
- goto out;
- }
-
- if (SCAN_RSSI(iter_bss->rssi) > bestrssi) {
- bestrssi = SCAN_RSSI(iter_bss->rssi);
- found_bss = iter_bss;
- }
- break;
- case IW_MODE_AUTO:
- default:
- if (SCAN_RSSI(iter_bss->rssi) > bestrssi) {
- bestrssi = SCAN_RSSI(iter_bss->rssi);
- found_bss = iter_bss;
- }
- break;
- }
- }
-
-out:
- mutex_unlock(&priv->lock);
- lbs_deb_leave_args(LBS_DEB_SCAN, "found_bss %p", found_bss);
- return found_bss;
-}
-
-static int assoc_helper_essid(struct lbs_private *priv,
- struct assoc_request * assoc_req)
-{
- int ret = 0;
- struct bss_descriptor * bss;
- int channel = -1;
- DECLARE_SSID_BUF(ssid);
-
- lbs_deb_enter(LBS_DEB_ASSOC);
-
- /* FIXME: take channel into account when picking SSIDs if a channel
- * is set.
- */
-
- if (test_bit(ASSOC_FLAG_CHANNEL, &assoc_req->flags))
- channel = assoc_req->channel;
-
- lbs_deb_assoc("SSID '%s' requested\n",
- print_ssid(ssid, assoc_req->ssid, assoc_req->ssid_len));
- if (assoc_req->mode == IW_MODE_INFRA) {
- lbs_send_specific_ssid_scan(priv, assoc_req->ssid,
- assoc_req->ssid_len);
-
- bss = lbs_find_ssid_in_list(priv, assoc_req->ssid,
- assoc_req->ssid_len, NULL, IW_MODE_INFRA, channel);
- if (bss != NULL) {
- memcpy(&assoc_req->bss, bss, sizeof(struct bss_descriptor));
- ret = lbs_try_associate(priv, assoc_req);
- } else {
- lbs_deb_assoc("SSID not found; cannot associate\n");
- }
- } else if (assoc_req->mode == IW_MODE_ADHOC) {
- /* Scan for the network, do not save previous results. Stale
- * scan data will cause us to join a non-existant adhoc network
- */
- lbs_send_specific_ssid_scan(priv, assoc_req->ssid,
- assoc_req->ssid_len);
-
- /* Search for the requested SSID in the scan table */
- bss = lbs_find_ssid_in_list(priv, assoc_req->ssid,
- assoc_req->ssid_len, NULL, IW_MODE_ADHOC, channel);
- if (bss != NULL) {
- lbs_deb_assoc("SSID found, will join\n");
- memcpy(&assoc_req->bss, bss, sizeof(struct bss_descriptor));
- lbs_adhoc_join(priv, assoc_req);
- } else {
- /* else send START command */
- lbs_deb_assoc("SSID not found, creating adhoc network\n");
- memcpy(&assoc_req->bss.ssid, &assoc_req->ssid,
- IEEE80211_MAX_SSID_LEN);
- assoc_req->bss.ssid_len = assoc_req->ssid_len;
- lbs_adhoc_start(priv, assoc_req);
- }
- }
-
- lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
- return ret;
-}
-
-
-static int assoc_helper_bssid(struct lbs_private *priv,
- struct assoc_request * assoc_req)
-{
- int ret = 0;
- struct bss_descriptor * bss;
-
- lbs_deb_enter_args(LBS_DEB_ASSOC, "BSSID %pM", assoc_req->bssid);
-
- /* Search for index position in list for requested MAC */
- bss = lbs_find_bssid_in_list(priv, assoc_req->bssid,
- assoc_req->mode);
- if (bss == NULL) {
- lbs_deb_assoc("ASSOC: WAP: BSSID %pM not found, "
- "cannot associate.\n", assoc_req->bssid);
- goto out;
- }
-
- memcpy(&assoc_req->bss, bss, sizeof(struct bss_descriptor));
- if (assoc_req->mode == IW_MODE_INFRA) {
- ret = lbs_try_associate(priv, assoc_req);
- lbs_deb_assoc("ASSOC: lbs_try_associate(bssid) returned %d\n",
- ret);
- } else if (assoc_req->mode == IW_MODE_ADHOC) {
- lbs_adhoc_join(priv, assoc_req);
- }
-
-out:
- lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
- return ret;
-}
-
-
-static int assoc_helper_associate(struct lbs_private *priv,
- struct assoc_request * assoc_req)
-{
- int ret = 0, done = 0;
-
- lbs_deb_enter(LBS_DEB_ASSOC);
-
- /* If we're given and 'any' BSSID, try associating based on SSID */
-
- if (test_bit(ASSOC_FLAG_BSSID, &assoc_req->flags)) {
- if (compare_ether_addr(bssid_any, assoc_req->bssid)
- && compare_ether_addr(bssid_off, assoc_req->bssid)) {
- ret = assoc_helper_bssid(priv, assoc_req);
- done = 1;
- }
- }
-
- if (!done && test_bit(ASSOC_FLAG_SSID, &assoc_req->flags)) {
- ret = assoc_helper_essid(priv, assoc_req);
- }
-
- lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
- return ret;
-}
-
-
-static int assoc_helper_mode(struct lbs_private *priv,
- struct assoc_request * assoc_req)
-{
- int ret = 0;
-
- lbs_deb_enter(LBS_DEB_ASSOC);
-
- if (assoc_req->mode == priv->mode)
- goto done;
-
- if (assoc_req->mode == IW_MODE_INFRA) {
- if (priv->psstate != PS_STATE_FULL_POWER)
- lbs_ps_wakeup(priv, CMD_OPTION_WAITFORRSP);
- priv->psmode = LBS802_11POWERMODECAM;
- }
-
- priv->mode = assoc_req->mode;
- ret = lbs_set_snmp_mib(priv, SNMP_MIB_OID_BSS_TYPE,
- assoc_req->mode == IW_MODE_ADHOC ? 2 : 1);
-
-done:
- lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
- return ret;
-}
-
-static int assoc_helper_channel(struct lbs_private *priv,
- struct assoc_request * assoc_req)
-{
- int ret = 0;
-
- lbs_deb_enter(LBS_DEB_ASSOC);
-
- ret = lbs_update_channel(priv);
- if (ret) {
- lbs_deb_assoc("ASSOC: channel: error getting channel.\n");
- goto done;
- }
-
- if (assoc_req->channel == priv->channel)
- goto done;
-
- if (priv->mesh_dev) {
- /* Change mesh channel first; 21.p21 firmware won't let
- you change channel otherwise (even though it'll return
- an error to this */
- lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_STOP,
- assoc_req->channel);
- }
-
- lbs_deb_assoc("ASSOC: channel: %d -> %d\n",
- priv->channel, assoc_req->channel);
-
- ret = lbs_set_channel(priv, assoc_req->channel);
- if (ret < 0)
- lbs_deb_assoc("ASSOC: channel: error setting channel.\n");
-
- /* FIXME: shouldn't need to grab the channel _again_ after setting
- * it since the firmware is supposed to return the new channel, but
- * whatever... */
- ret = lbs_update_channel(priv);
- if (ret) {
- lbs_deb_assoc("ASSOC: channel: error getting channel.\n");
- goto done;
- }
-
- if (assoc_req->channel != priv->channel) {
- lbs_deb_assoc("ASSOC: channel: failed to update channel to %d\n",
- assoc_req->channel);
- goto restore_mesh;
- }
-
- if ( assoc_req->secinfo.wep_enabled
- && (assoc_req->wep_keys[0].len
- || assoc_req->wep_keys[1].len
- || assoc_req->wep_keys[2].len
- || assoc_req->wep_keys[3].len)) {
- /* Make sure WEP keys are re-sent to firmware */
- set_bit(ASSOC_FLAG_WEP_KEYS, &assoc_req->flags);
- }
-
- /* Must restart/rejoin adhoc networks after channel change */
- set_bit(ASSOC_FLAG_SSID, &assoc_req->flags);
-
- restore_mesh:
- if (priv->mesh_dev)
- lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START,
- priv->channel);
-
- done:
- lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
- return ret;
-}
-
-
-static int assoc_helper_wep_keys(struct lbs_private *priv,
- struct assoc_request *assoc_req)
-{
- int i;
- int ret = 0;
-
- lbs_deb_enter(LBS_DEB_ASSOC);
-
- /* Set or remove WEP keys */
- if (assoc_req->wep_keys[0].len || assoc_req->wep_keys[1].len ||
- assoc_req->wep_keys[2].len || assoc_req->wep_keys[3].len)
- ret = lbs_cmd_802_11_set_wep(priv, CMD_ACT_ADD, assoc_req);
- else
- ret = lbs_cmd_802_11_set_wep(priv, CMD_ACT_REMOVE, assoc_req);
-
- if (ret)
- goto out;
-
- /* enable/disable the MAC's WEP packet filter */
- if (assoc_req->secinfo.wep_enabled)
- priv->mac_control |= CMD_ACT_MAC_WEP_ENABLE;
- else
- priv->mac_control &= ~CMD_ACT_MAC_WEP_ENABLE;
-
- lbs_set_mac_control(priv);
-
- mutex_lock(&priv->lock);
-
- /* Copy WEP keys into priv wep key fields */
- for (i = 0; i < 4; i++) {
- memcpy(&priv->wep_keys[i], &assoc_req->wep_keys[i],
- sizeof(struct enc_key));
- }
- priv->wep_tx_keyidx = assoc_req->wep_tx_keyidx;
-
- mutex_unlock(&priv->lock);
-
-out:
- lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
- return ret;
-}
-
-static int assoc_helper_secinfo(struct lbs_private *priv,
- struct assoc_request * assoc_req)
-{
- int ret = 0;
- uint16_t do_wpa;
- uint16_t rsn = 0;
-
- lbs_deb_enter(LBS_DEB_ASSOC);
-
- memcpy(&priv->secinfo, &assoc_req->secinfo,
- sizeof(struct lbs_802_11_security));
-
- lbs_set_mac_control(priv);
-
- /* If RSN is already enabled, don't try to enable it again, since
- * ENABLE_RSN resets internal state machines and will clobber the
- * 4-way WPA handshake.
- */
-
- /* Get RSN enabled/disabled */
- ret = lbs_cmd_802_11_enable_rsn(priv, CMD_ACT_GET, &rsn);
- if (ret) {
- lbs_deb_assoc("Failed to get RSN status: %d\n", ret);
- goto out;
- }
-
- /* Don't re-enable RSN if it's already enabled */
- do_wpa = assoc_req->secinfo.WPAenabled || assoc_req->secinfo.WPA2enabled;
- if (do_wpa == rsn)
- goto out;
-
- /* Set RSN enabled/disabled */
- ret = lbs_cmd_802_11_enable_rsn(priv, CMD_ACT_SET, &do_wpa);
-
-out:
- lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
- return ret;
-}
-
-
-static int assoc_helper_wpa_keys(struct lbs_private *priv,
- struct assoc_request * assoc_req)
-{
- int ret = 0;
- unsigned int flags = assoc_req->flags;
-
- lbs_deb_enter(LBS_DEB_ASSOC);
-
- /* Work around older firmware bug where WPA unicast and multicast
- * keys must be set independently. Seen in SDIO parts with firmware
- * version 5.0.11p0.
- */
-
- if (test_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags)) {
- clear_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags);
- ret = lbs_cmd_802_11_key_material(priv, CMD_ACT_SET, assoc_req);
- assoc_req->flags = flags;
- }
-
- if (ret)
- goto out;
-
- memcpy(&priv->wpa_unicast_key, &assoc_req->wpa_unicast_key,
- sizeof(struct enc_key));
-
- if (test_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags)) {
- clear_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags);
-
- ret = lbs_cmd_802_11_key_material(priv, CMD_ACT_SET, assoc_req);
- assoc_req->flags = flags;
-
- memcpy(&priv->wpa_mcast_key, &assoc_req->wpa_mcast_key,
- sizeof(struct enc_key));
- }
-
-out:
- lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
- return ret;
-}
-
-
-static int assoc_helper_wpa_ie(struct lbs_private *priv,
- struct assoc_request * assoc_req)
-{
- int ret = 0;
-
- lbs_deb_enter(LBS_DEB_ASSOC);
-
- if (assoc_req->secinfo.WPAenabled || assoc_req->secinfo.WPA2enabled) {
- memcpy(&priv->wpa_ie, &assoc_req->wpa_ie, assoc_req->wpa_ie_len);
- priv->wpa_ie_len = assoc_req->wpa_ie_len;
- } else {
- memset(&priv->wpa_ie, 0, MAX_WPA_IE_LEN);
- priv->wpa_ie_len = 0;
- }
-
- lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
- return ret;
-}
-
-
-static int should_deauth_infrastructure(struct lbs_private *priv,
- struct assoc_request * assoc_req)
-{
- int ret = 0;
-
- if (priv->connect_status != LBS_CONNECTED)
- return 0;
-
- lbs_deb_enter(LBS_DEB_ASSOC);
- if (test_bit(ASSOC_FLAG_SSID, &assoc_req->flags)) {
- lbs_deb_assoc("Deauthenticating due to new SSID\n");
- ret = 1;
- goto out;
- }
-
- if (test_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags)) {
- if (priv->secinfo.auth_mode != assoc_req->secinfo.auth_mode) {
- lbs_deb_assoc("Deauthenticating due to new security\n");
- ret = 1;
- goto out;
- }
- }
-
- if (test_bit(ASSOC_FLAG_BSSID, &assoc_req->flags)) {
- lbs_deb_assoc("Deauthenticating due to new BSSID\n");
- ret = 1;
- goto out;
- }
-
- if (test_bit(ASSOC_FLAG_CHANNEL, &assoc_req->flags)) {
- lbs_deb_assoc("Deauthenticating due to channel switch\n");
- ret = 1;
- goto out;
- }
-
- /* FIXME: deal with 'auto' mode somehow */
- if (test_bit(ASSOC_FLAG_MODE, &assoc_req->flags)) {
- if (assoc_req->mode != IW_MODE_INFRA) {
- lbs_deb_assoc("Deauthenticating due to leaving "
- "infra mode\n");
- ret = 1;
- goto out;
- }
- }
-
-out:
- lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
- return ret;
-}
-
-
-static int should_stop_adhoc(struct lbs_private *priv,
- struct assoc_request * assoc_req)
-{
- lbs_deb_enter(LBS_DEB_ASSOC);
-
- if (priv->connect_status != LBS_CONNECTED)
- return 0;
-
- if (lbs_ssid_cmp(priv->curbssparams.ssid,
- priv->curbssparams.ssid_len,
- assoc_req->ssid, assoc_req->ssid_len) != 0)
- return 1;
-
- /* FIXME: deal with 'auto' mode somehow */
- if (test_bit(ASSOC_FLAG_MODE, &assoc_req->flags)) {
- if (assoc_req->mode != IW_MODE_ADHOC)
- return 1;
- }
-
- if (test_bit(ASSOC_FLAG_CHANNEL, &assoc_req->flags)) {
- if (assoc_req->channel != priv->channel)
- return 1;
- }
-
- lbs_deb_leave(LBS_DEB_ASSOC);
- return 0;
-}
-
-
-/**
- * @brief This function finds the best SSID in the Scan List
- *
- * Search the scan table for the best SSID that also matches the current
- * adapter network preference (infrastructure or adhoc)
- *
- * @param priv A pointer to struct lbs_private
- *
- * @return index in BSSID list
- */
-static struct bss_descriptor *lbs_find_best_ssid_in_list(
- struct lbs_private *priv, uint8_t mode)
-{
- uint8_t bestrssi = 0;
- struct bss_descriptor *iter_bss;
- struct bss_descriptor *best_bss = NULL;
-
- lbs_deb_enter(LBS_DEB_SCAN);
-
- mutex_lock(&priv->lock);
-
- list_for_each_entry(iter_bss, &priv->network_list, list) {
- switch (mode) {
- case IW_MODE_INFRA:
- case IW_MODE_ADHOC:
- if (!is_network_compatible(priv, iter_bss, mode))
- break;
- if (SCAN_RSSI(iter_bss->rssi) <= bestrssi)
- break;
- bestrssi = SCAN_RSSI(iter_bss->rssi);
- best_bss = iter_bss;
- break;
- case IW_MODE_AUTO:
- default:
- if (SCAN_RSSI(iter_bss->rssi) <= bestrssi)
- break;
- bestrssi = SCAN_RSSI(iter_bss->rssi);
- best_bss = iter_bss;
- break;
- }
- }
-
- mutex_unlock(&priv->lock);
- lbs_deb_leave_args(LBS_DEB_SCAN, "best_bss %p", best_bss);
- return best_bss;
-}
-
-/**
- * @brief Find the best AP
- *
- * Used from association worker.
- *
- * @param priv A pointer to struct lbs_private structure
- * @param pSSID A pointer to AP's ssid
- *
- * @return 0--success, otherwise--fail
- */
-static int lbs_find_best_network_ssid(struct lbs_private *priv,
- uint8_t *out_ssid, uint8_t *out_ssid_len, uint8_t preferred_mode,
- uint8_t *out_mode)
-{
- int ret = -1;
- struct bss_descriptor *found;
-
- lbs_deb_enter(LBS_DEB_SCAN);
-
- priv->scan_ssid_len = 0;
- lbs_scan_networks(priv, 1);
- if (priv->surpriseremoved)
- goto out;
-
- found = lbs_find_best_ssid_in_list(priv, preferred_mode);
- if (found && (found->ssid_len > 0)) {
- memcpy(out_ssid, &found->ssid, IEEE80211_MAX_SSID_LEN);
- *out_ssid_len = found->ssid_len;
- *out_mode = found->mode;
- ret = 0;
- }
-
-out:
- lbs_deb_leave_args(LBS_DEB_SCAN, "ret %d", ret);
- return ret;
-}
-
-
-void lbs_association_worker(struct work_struct *work)
-{
- struct lbs_private *priv = container_of(work, struct lbs_private,
- assoc_work.work);
- struct assoc_request * assoc_req = NULL;
- int ret = 0;
- int find_any_ssid = 0;
- DECLARE_SSID_BUF(ssid);
-
- lbs_deb_enter(LBS_DEB_ASSOC);
-
- mutex_lock(&priv->lock);
- assoc_req = priv->pending_assoc_req;
- priv->pending_assoc_req = NULL;
- priv->in_progress_assoc_req = assoc_req;
- mutex_unlock(&priv->lock);
-
- if (!assoc_req)
- goto done;
-
- lbs_deb_assoc(
- "Association Request:\n"
- " flags: 0x%08lx\n"
- " SSID: '%s'\n"
- " chann: %d\n"
- " band: %d\n"
- " mode: %d\n"
- " BSSID: %pM\n"
- " secinfo: %s%s%s\n"
- " auth_mode: %d\n",
- assoc_req->flags,
- print_ssid(ssid, assoc_req->ssid, assoc_req->ssid_len),
- assoc_req->channel, assoc_req->band, assoc_req->mode,
- assoc_req->bssid,
- assoc_req->secinfo.WPAenabled ? " WPA" : "",
- assoc_req->secinfo.WPA2enabled ? " WPA2" : "",
- assoc_req->secinfo.wep_enabled ? " WEP" : "",
- assoc_req->secinfo.auth_mode);
-
- /* If 'any' SSID was specified, find an SSID to associate with */
- if (test_bit(ASSOC_FLAG_SSID, &assoc_req->flags)
- && !assoc_req->ssid_len)
- find_any_ssid = 1;
-
- /* But don't use 'any' SSID if there's a valid locked BSSID to use */
- if (test_bit(ASSOC_FLAG_BSSID, &assoc_req->flags)) {
- if (compare_ether_addr(assoc_req->bssid, bssid_any)
- && compare_ether_addr(assoc_req->bssid, bssid_off))
- find_any_ssid = 0;
- }
-
- if (find_any_ssid) {
- u8 new_mode = assoc_req->mode;
-
- ret = lbs_find_best_network_ssid(priv, assoc_req->ssid,
- &assoc_req->ssid_len, assoc_req->mode, &new_mode);
- if (ret) {
- lbs_deb_assoc("Could not find best network\n");
- ret = -ENETUNREACH;
- goto out;
- }
-
- /* Ensure we switch to the mode of the AP */
- if (assoc_req->mode == IW_MODE_AUTO) {
- set_bit(ASSOC_FLAG_MODE, &assoc_req->flags);
- assoc_req->mode = new_mode;
- }
- }
-
- /*
- * Check if the attributes being changing require deauthentication
- * from the currently associated infrastructure access point.
- */
- if (priv->mode == IW_MODE_INFRA) {
- if (should_deauth_infrastructure(priv, assoc_req)) {
- ret = lbs_cmd_80211_deauthenticate(priv,
- priv->curbssparams.bssid,
- WLAN_REASON_DEAUTH_LEAVING);
- if (ret) {
- lbs_deb_assoc("Deauthentication due to new "
- "configuration request failed: %d\n",
- ret);
- }
- }
- } else if (priv->mode == IW_MODE_ADHOC) {
- if (should_stop_adhoc(priv, assoc_req)) {
- ret = lbs_adhoc_stop(priv);
- if (ret) {
- lbs_deb_assoc("Teardown of AdHoc network due to "
- "new configuration request failed: %d\n",
- ret);
- }
-
- }
- }
-
- /* Send the various configuration bits to the firmware */
- if (test_bit(ASSOC_FLAG_MODE, &assoc_req->flags)) {
- ret = assoc_helper_mode(priv, assoc_req);
- if (ret)
- goto out;
- }
-
- if (test_bit(ASSOC_FLAG_CHANNEL, &assoc_req->flags)) {
- ret = assoc_helper_channel(priv, assoc_req);
- if (ret)
- goto out;
- }
-
- if ( test_bit(ASSOC_FLAG_WEP_KEYS, &assoc_req->flags)
- || test_bit(ASSOC_FLAG_WEP_TX_KEYIDX, &assoc_req->flags)) {
- ret = assoc_helper_wep_keys(priv, assoc_req);
- if (ret)
- goto out;
- }
-
- if (test_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags)) {
- ret = assoc_helper_secinfo(priv, assoc_req);
- if (ret)
- goto out;
- }
-
- if (test_bit(ASSOC_FLAG_WPA_IE, &assoc_req->flags)) {
- ret = assoc_helper_wpa_ie(priv, assoc_req);
- if (ret)
- goto out;
- }
-
- if (test_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags)
- || test_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags)) {
- ret = assoc_helper_wpa_keys(priv, assoc_req);
- if (ret)
- goto out;
- }
-
- /* SSID/BSSID should be the _last_ config option set, because they
- * trigger the association attempt.
- */
- if (test_bit(ASSOC_FLAG_BSSID, &assoc_req->flags)
- || test_bit(ASSOC_FLAG_SSID, &assoc_req->flags)) {
- int success = 1;
-
- ret = assoc_helper_associate(priv, assoc_req);
- if (ret) {
- lbs_deb_assoc("ASSOC: association unsuccessful: %d\n",
- ret);
- success = 0;
- }
-
- if (priv->connect_status != LBS_CONNECTED) {
- lbs_deb_assoc("ASSOC: association unsuccessful, "
- "not connected\n");
- success = 0;
- }
-
- if (success) {
- lbs_deb_assoc("associated to %pM\n",
- priv->curbssparams.bssid);
- lbs_prepare_and_send_command(priv,
- CMD_802_11_RSSI,
- 0, CMD_OPTION_WAITFORRSP, 0, NULL);
- } else {
- ret = -1;
- }
- }
-
-out:
- if (ret) {
- lbs_deb_assoc("ASSOC: reconfiguration attempt unsuccessful: %d\n",
- ret);
- }
-
- mutex_lock(&priv->lock);
- priv->in_progress_assoc_req = NULL;
- mutex_unlock(&priv->lock);
- kfree(assoc_req);
-
-done:
- lbs_deb_leave(LBS_DEB_ASSOC);
-}
-
-
-/*
- * Caller MUST hold any necessary locks
- */
-struct assoc_request *lbs_get_association_request(struct lbs_private *priv)
-{
- struct assoc_request * assoc_req;
-
- lbs_deb_enter(LBS_DEB_ASSOC);
- if (!priv->pending_assoc_req) {
- priv->pending_assoc_req = kzalloc(sizeof(struct assoc_request),
- GFP_KERNEL);
- if (!priv->pending_assoc_req) {
- lbs_pr_info("Not enough memory to allocate association"
- " request!\n");
- return NULL;
- }
- }
-
- /* Copy current configuration attributes to the association request,
- * but don't overwrite any that are already set.
- */
- assoc_req = priv->pending_assoc_req;
- if (!test_bit(ASSOC_FLAG_SSID, &assoc_req->flags)) {
- memcpy(&assoc_req->ssid, &priv->curbssparams.ssid,
- IEEE80211_MAX_SSID_LEN);
- assoc_req->ssid_len = priv->curbssparams.ssid_len;
- }
-
- if (!test_bit(ASSOC_FLAG_CHANNEL, &assoc_req->flags))
- assoc_req->channel = priv->channel;
-
- if (!test_bit(ASSOC_FLAG_BAND, &assoc_req->flags))
- assoc_req->band = priv->curbssparams.band;
-
- if (!test_bit(ASSOC_FLAG_MODE, &assoc_req->flags))
- assoc_req->mode = priv->mode;
-
- if (!test_bit(ASSOC_FLAG_BSSID, &assoc_req->flags)) {
- memcpy(&assoc_req->bssid, priv->curbssparams.bssid,
- ETH_ALEN);
- }
-
- if (!test_bit(ASSOC_FLAG_WEP_KEYS, &assoc_req->flags)) {
- int i;
- for (i = 0; i < 4; i++) {
- memcpy(&assoc_req->wep_keys[i], &priv->wep_keys[i],
- sizeof(struct enc_key));
- }
- }
-
- if (!test_bit(ASSOC_FLAG_WEP_TX_KEYIDX, &assoc_req->flags))
- assoc_req->wep_tx_keyidx = priv->wep_tx_keyidx;
-
- if (!test_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags)) {
- memcpy(&assoc_req->wpa_mcast_key, &priv->wpa_mcast_key,
- sizeof(struct enc_key));
- }
-
- if (!test_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags)) {
- memcpy(&assoc_req->wpa_unicast_key, &priv->wpa_unicast_key,
- sizeof(struct enc_key));
- }
-
- if (!test_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags)) {
- memcpy(&assoc_req->secinfo, &priv->secinfo,
- sizeof(struct lbs_802_11_security));
- }
-
- if (!test_bit(ASSOC_FLAG_WPA_IE, &assoc_req->flags)) {
- memcpy(&assoc_req->wpa_ie, &priv->wpa_ie,
- MAX_WPA_IE_LEN);
- assoc_req->wpa_ie_len = priv->wpa_ie_len;
- }
-
- lbs_deb_leave(LBS_DEB_ASSOC);
- return assoc_req;
-}
-
-
-/**
- * @brief Deauthenticate from a specific BSS
- *
- * @param priv A pointer to struct lbs_private structure
- * @param bssid The specific BSS to deauthenticate from
- * @param reason The 802.11 sec. 7.3.1.7 Reason Code for deauthenticating
- *
- * @return 0 on success, error on failure
- */
-int lbs_cmd_80211_deauthenticate(struct lbs_private *priv, u8 bssid[ETH_ALEN],
- u16 reason)
-{
- struct cmd_ds_802_11_deauthenticate cmd;
- int ret;
-
- lbs_deb_enter(LBS_DEB_JOIN);
-
- memset(&cmd, 0, sizeof(cmd));
- cmd.hdr.size = cpu_to_le16(sizeof(cmd));
- memcpy(cmd.macaddr, &bssid[0], ETH_ALEN);
- cmd.reasoncode = cpu_to_le16(reason);
-
- ret = lbs_cmd_with_response(priv, CMD_802_11_DEAUTHENTICATE, &cmd);
-
- /* Clean up everything even if there was an error; can't assume that
- * we're still authenticated to the AP after trying to deauth.
- */
- lbs_mac_event_disconnected(priv);
-
- lbs_deb_leave(LBS_DEB_JOIN);
- return ret;
-}
-
@@ -1,63 +0,0 @@
-/**
- * Interface for the wlan network scan routines
- *
- * Driver interface functions and type declarations for the scan module
- * implemented in scan.c.
- */
-#ifndef _LBS_SCAN_H
-#define _LBS_SCAN_H
-
-#include <net/iw_handler.h>
-
-struct lbs_private;
-
-#define MAX_NETWORK_COUNT 128
-
-/** Chan-freq-TxPower mapping table*/
-struct chan_freq_power {
- /** channel Number */
- u16 channel;
- /** frequency of this channel */
- u32 freq;
- /** Max allowed Tx power level */
- u16 maxtxpower;
- /** TRUE:channel unsupported; FLASE:supported*/
- u8 unsupported;
-};
-
-/** region-band mapping table*/
-struct region_channel {
- /** TRUE if this entry is valid */
- u8 valid;
- /** region code for US, Japan ... */
- u8 region;
- /** band B/G/A, used for BAND_CONFIG cmd */
- u8 band;
- /** Actual No. of elements in the array below */
- u8 nrcfp;
- /** chan-freq-txpower mapping table*/
- struct chan_freq_power *CFP;
-};
-
-/**
- * @brief Maximum number of channels that can be sent in a setuserscan ioctl
- */
-#define LBS_IOCTL_USER_SCAN_CHAN_MAX 50
-
-int lbs_ssid_cmp(u8 *ssid1, u8 ssid1_len, u8 *ssid2, u8 ssid2_len);
-
-int lbs_set_regiontable(struct lbs_private *priv, u8 region, u8 band);
-
-int lbs_send_specific_ssid_scan(struct lbs_private *priv, u8 *ssid,
- u8 ssid_len);
-
-int lbs_get_scan(struct net_device *dev, struct iw_request_info *info,
- struct iw_point *dwrq, char *extra);
-int lbs_set_scan(struct net_device *dev, struct iw_request_info *info,
- union iwreq_data *wrqu, char *extra);
-
-int lbs_scan_networks(struct lbs_private *priv, int full_scan);
-
-void lbs_scan_worker(struct work_struct *work);
-
-#endif
@@ -1,1359 +0,0 @@
-/**
- * Functions implementing wlan scan IOCTL and firmware command APIs
- *
- * IOCTL handlers as well as command preperation and response routines
- * for sending scan commands to the firmware.
- */
-#include <linux/types.h>
-#include <linux/kernel.h>
-#include <linux/etherdevice.h>
-#include <linux/if_arp.h>
-#include <asm/unaligned.h>
-#include <net/lib80211.h>
-
-#include "host.h"
-#include "dev.h"
-#include "scan.h"
-#include "assoc.h"
-#include "wext.h"
-#include "cmd.h"
-
-//! Approximate amount of data needed to pass a scan result back to iwlist
-#define MAX_SCAN_CELL_SIZE (IW_EV_ADDR_LEN \
- + IEEE80211_MAX_SSID_LEN \
- + IW_EV_UINT_LEN \
- + IW_EV_FREQ_LEN \
- + IW_EV_QUAL_LEN \
- + IEEE80211_MAX_SSID_LEN \
- + IW_EV_PARAM_LEN \
- + 40) /* 40 for WPAIE */
-
-//! Memory needed to store a max sized channel List TLV for a firmware scan
-#define CHAN_TLV_MAX_SIZE (sizeof(struct mrvl_ie_header) \
- + (MRVDRV_MAX_CHANNELS_PER_SCAN \
- * sizeof(struct chanscanparamset)))
-
-//! Memory needed to store a max number/size SSID TLV for a firmware scan
-#define SSID_TLV_MAX_SIZE (1 * sizeof(struct mrvl_ie_ssid_param_set))
-
-//! Maximum memory needed for a cmd_ds_802_11_scan with all TLVs at max
-#define MAX_SCAN_CFG_ALLOC (sizeof(struct cmd_ds_802_11_scan) \
- + CHAN_TLV_MAX_SIZE + SSID_TLV_MAX_SIZE)
-
-//! The maximum number of channels the firmware can scan per command
-#define MRVDRV_MAX_CHANNELS_PER_SCAN 14
-
-/**
- * @brief Number of channels to scan per firmware scan command issuance.
- *
- * Number restricted to prevent hitting the limit on the amount of scan data
- * returned in a single firmware scan command.
- */
-#define MRVDRV_CHANNELS_PER_SCAN_CMD 4
-
-//! Scan time specified in the channel TLV for each channel for passive scans
-#define MRVDRV_PASSIVE_SCAN_CHAN_TIME 100
-
-//! Scan time specified in the channel TLV for each channel for active scans
-#define MRVDRV_ACTIVE_SCAN_CHAN_TIME 100
-
-#define DEFAULT_MAX_SCAN_AGE (15 * HZ)
-
-static int lbs_ret_80211_scan(struct lbs_private *priv, unsigned long dummy,
- struct cmd_header *resp);
-
-/*********************************************************************/
-/* */
-/* Misc helper functions */
-/* */
-/*********************************************************************/
-
-/**
- * @brief Unsets the MSB on basic rates
- *
- * Scan through an array and unset the MSB for basic data rates.
- *
- * @param rates buffer of data rates
- * @param len size of buffer
- */
-static void lbs_unset_basic_rate_flags(u8 *rates, size_t len)
-{
- int i;
-
- for (i = 0; i < len; i++)
- rates[i] &= 0x7f;
-}
-
-
-static inline void clear_bss_descriptor(struct bss_descriptor *bss)
-{
- /* Don't blow away ->list, just BSS data */
- memset(bss, 0, offsetof(struct bss_descriptor, list));
-}
-
-/**
- * @brief Compare two SSIDs
- *
- * @param ssid1 A pointer to ssid to compare
- * @param ssid2 A pointer to ssid to compare
- *
- * @return 0: ssid is same, otherwise is different
- */
-int lbs_ssid_cmp(uint8_t *ssid1, uint8_t ssid1_len, uint8_t *ssid2,
- uint8_t ssid2_len)
-{
- if (ssid1_len != ssid2_len)
- return -1;
-
- return memcmp(ssid1, ssid2, ssid1_len);
-}
-
-static inline int is_same_network(struct bss_descriptor *src,
- struct bss_descriptor *dst)
-{
- /* A network is only a duplicate if the channel, BSSID, and ESSID
- * all match. We treat all <hidden> with the same BSSID and channel
- * as one network */
- return ((src->ssid_len == dst->ssid_len) &&
- (src->channel == dst->channel) &&
- !compare_ether_addr(src->bssid, dst->bssid) &&
- !memcmp(src->ssid, dst->ssid, src->ssid_len));
-}
-
-
-
-/*********************************************************************/
-/* */
-/* Region channel support */
-/* */
-/*********************************************************************/
-
-#define LBS_TX_PWR_DEFAULT 20 /*100mW */
-#define LBS_TX_PWR_US_DEFAULT 20 /*100mW */
-#define LBS_TX_PWR_JP_DEFAULT 16 /*50mW */
-#define LBS_TX_PWR_FR_DEFAULT 20 /*100mW */
-#define LBS_TX_PWR_EMEA_DEFAULT 20 /*100mW */
-
-/* Format { channel, frequency (MHz), maxtxpower } */
-/* band: 'B/G', region: USA FCC/Canada IC */
-static struct chan_freq_power channel_freq_power_US_BG[] = {
- {1, 2412, LBS_TX_PWR_US_DEFAULT},
- {2, 2417, LBS_TX_PWR_US_DEFAULT},
- {3, 2422, LBS_TX_PWR_US_DEFAULT},
- {4, 2427, LBS_TX_PWR_US_DEFAULT},
- {5, 2432, LBS_TX_PWR_US_DEFAULT},
- {6, 2437, LBS_TX_PWR_US_DEFAULT},
- {7, 2442, LBS_TX_PWR_US_DEFAULT},
- {8, 2447, LBS_TX_PWR_US_DEFAULT},
- {9, 2452, LBS_TX_PWR_US_DEFAULT},
- {10, 2457, LBS_TX_PWR_US_DEFAULT},
- {11, 2462, LBS_TX_PWR_US_DEFAULT}
-};
-
-/* band: 'B/G', region: Europe ETSI */
-static struct chan_freq_power channel_freq_power_EU_BG[] = {
- {1, 2412, LBS_TX_PWR_EMEA_DEFAULT},
- {2, 2417, LBS_TX_PWR_EMEA_DEFAULT},
- {3, 2422, LBS_TX_PWR_EMEA_DEFAULT},
- {4, 2427, LBS_TX_PWR_EMEA_DEFAULT},
- {5, 2432, LBS_TX_PWR_EMEA_DEFAULT},
- {6, 2437, LBS_TX_PWR_EMEA_DEFAULT},
- {7, 2442, LBS_TX_PWR_EMEA_DEFAULT},
- {8, 2447, LBS_TX_PWR_EMEA_DEFAULT},
- {9, 2452, LBS_TX_PWR_EMEA_DEFAULT},
- {10, 2457, LBS_TX_PWR_EMEA_DEFAULT},
- {11, 2462, LBS_TX_PWR_EMEA_DEFAULT},
- {12, 2467, LBS_TX_PWR_EMEA_DEFAULT},
- {13, 2472, LBS_TX_PWR_EMEA_DEFAULT}
-};
-
-/* band: 'B/G', region: Spain */
-static struct chan_freq_power channel_freq_power_SPN_BG[] = {
- {10, 2457, LBS_TX_PWR_DEFAULT},
- {11, 2462, LBS_TX_PWR_DEFAULT}
-};
-
-/* band: 'B/G', region: France */
-static struct chan_freq_power channel_freq_power_FR_BG[] = {
- {10, 2457, LBS_TX_PWR_FR_DEFAULT},
- {11, 2462, LBS_TX_PWR_FR_DEFAULT},
- {12, 2467, LBS_TX_PWR_FR_DEFAULT},
- {13, 2472, LBS_TX_PWR_FR_DEFAULT}
-};
-
-/* band: 'B/G', region: Japan */
-static struct chan_freq_power channel_freq_power_JPN_BG[] = {
- {1, 2412, LBS_TX_PWR_JP_DEFAULT},
- {2, 2417, LBS_TX_PWR_JP_DEFAULT},
- {3, 2422, LBS_TX_PWR_JP_DEFAULT},
- {4, 2427, LBS_TX_PWR_JP_DEFAULT},
- {5, 2432, LBS_TX_PWR_JP_DEFAULT},
- {6, 2437, LBS_TX_PWR_JP_DEFAULT},
- {7, 2442, LBS_TX_PWR_JP_DEFAULT},
- {8, 2447, LBS_TX_PWR_JP_DEFAULT},
- {9, 2452, LBS_TX_PWR_JP_DEFAULT},
- {10, 2457, LBS_TX_PWR_JP_DEFAULT},
- {11, 2462, LBS_TX_PWR_JP_DEFAULT},
- {12, 2467, LBS_TX_PWR_JP_DEFAULT},
- {13, 2472, LBS_TX_PWR_JP_DEFAULT},
- {14, 2484, LBS_TX_PWR_JP_DEFAULT}
-};
-
-/**
- * the structure for channel, frequency and power
- */
-struct region_cfp_table {
- u8 region;
- struct chan_freq_power *cfp_BG;
- int cfp_no_BG;
-};
-
-/**
- * the structure for the mapping between region and CFP
- */
-static struct region_cfp_table region_cfp_table[] = {
- {0x10, /*US FCC */
- channel_freq_power_US_BG,
- ARRAY_SIZE(channel_freq_power_US_BG),
- }
- ,
- {0x20, /*CANADA IC */
- channel_freq_power_US_BG,
- ARRAY_SIZE(channel_freq_power_US_BG),
- }
- ,
- {0x30, /*EU*/ channel_freq_power_EU_BG,
- ARRAY_SIZE(channel_freq_power_EU_BG),
- }
- ,
- {0x31, /*SPAIN*/ channel_freq_power_SPN_BG,
- ARRAY_SIZE(channel_freq_power_SPN_BG),
- }
- ,
- {0x32, /*FRANCE*/ channel_freq_power_FR_BG,
- ARRAY_SIZE(channel_freq_power_FR_BG),
- }
- ,
- {0x40, /*JAPAN*/ channel_freq_power_JPN_BG,
- ARRAY_SIZE(channel_freq_power_JPN_BG),
- }
- ,
-/*Add new region here */
-};
-
-/**
- * @brief This function finds the CFP in
- * region_cfp_table based on region and band parameter.
- *
- * @param region The region code
- * @param band The band
- * @param cfp_no A pointer to CFP number
- * @return A pointer to CFP
- */
-static struct chan_freq_power *lbs_get_region_cfp_table(u8 region, int *cfp_no)
-{
- int i, end;
-
- lbs_deb_enter(LBS_DEB_MAIN);
-
- end = ARRAY_SIZE(region_cfp_table);
-
- for (i = 0; i < end ; i++) {
- lbs_deb_main("region_cfp_table[i].region=%d\n",
- region_cfp_table[i].region);
- if (region_cfp_table[i].region == region) {
- *cfp_no = region_cfp_table[i].cfp_no_BG;
- lbs_deb_leave(LBS_DEB_MAIN);
- return region_cfp_table[i].cfp_BG;
- }
- }
-
- lbs_deb_leave_args(LBS_DEB_MAIN, "ret NULL");
- return NULL;
-}
-
-int lbs_set_regiontable(struct lbs_private *priv, u8 region, u8 band)
-{
- int ret = 0;
- int i = 0;
-
- struct chan_freq_power *cfp;
- int cfp_no;
-
- lbs_deb_enter(LBS_DEB_MAIN);
-
- memset(priv->region_channel, 0, sizeof(priv->region_channel));
-
- cfp = lbs_get_region_cfp_table(region, &cfp_no);
- if (cfp != NULL) {
- priv->region_channel[i].nrcfp = cfp_no;
- priv->region_channel[i].CFP = cfp;
- } else {
- lbs_deb_main("wrong region code %#x in band B/G\n",
- region);
- ret = -1;
- goto out;
- }
- priv->region_channel[i].valid = 1;
- priv->region_channel[i].region = region;
- priv->region_channel[i].band = band;
- i++;
-out:
- lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret);
- return ret;
-}
-
-
-
-
-/*********************************************************************/
-/* */
-/* Main scanning support */
-/* */
-/*********************************************************************/
-
-/**
- * @brief Create a channel list for the driver to scan based on region info
- *
- * Only used from lbs_scan_setup_scan_config()
- *
- * Use the driver region/band information to construct a comprehensive list
- * of channels to scan. This routine is used for any scan that is not
- * provided a specific channel list to scan.
- *
- * @param priv A pointer to struct lbs_private structure
- * @param scanchanlist Output parameter: resulting channel list to scan
- *
- * @return void
- */
-static int lbs_scan_create_channel_list(struct lbs_private *priv,
- struct chanscanparamset *scanchanlist)
-{
- struct region_channel *scanregion;
- struct chan_freq_power *cfp;
- int rgnidx;
- int chanidx;
- int nextchan;
- uint8_t scantype;
-
- chanidx = 0;
-
- /* Set the default scan type to the user specified type, will later
- * be changed to passive on a per channel basis if restricted by
- * regulatory requirements (11d or 11h)
- */
- scantype = CMD_SCAN_TYPE_ACTIVE;
-
- for (rgnidx = 0; rgnidx < ARRAY_SIZE(priv->region_channel); rgnidx++) {
- if (!priv->region_channel[rgnidx].valid)
- continue;
- scanregion = &priv->region_channel[rgnidx];
-
- for (nextchan = 0; nextchan < scanregion->nrcfp; nextchan++, chanidx++) {
- struct chanscanparamset *chan = &scanchanlist[chanidx];
-
- cfp = scanregion->CFP + nextchan;
-
- if (scanregion->band == BAND_B || scanregion->band == BAND_G)
- chan->radiotype = CMD_SCAN_RADIO_TYPE_BG;
-
- if (scantype == CMD_SCAN_TYPE_PASSIVE) {
- chan->maxscantime = cpu_to_le16(MRVDRV_PASSIVE_SCAN_CHAN_TIME);
- chan->chanscanmode.passivescan = 1;
- } else {
- chan->maxscantime = cpu_to_le16(MRVDRV_ACTIVE_SCAN_CHAN_TIME);
- chan->chanscanmode.passivescan = 0;
- }
-
- chan->channumber = cfp->channel;
- }
- }
- return chanidx;
-}
-
-/*
- * Add SSID TLV of the form:
- *
- * TLV-ID SSID 00 00
- * length 06 00
- * ssid 4d 4e 54 45 53 54
- */
-static int lbs_scan_add_ssid_tlv(struct lbs_private *priv, u8 *tlv)
-{
- struct mrvl_ie_ssid_param_set *ssid_tlv = (void *)tlv;
-
- ssid_tlv->header.type = cpu_to_le16(TLV_TYPE_SSID);
- ssid_tlv->header.len = cpu_to_le16(priv->scan_ssid_len);
- memcpy(ssid_tlv->ssid, priv->scan_ssid, priv->scan_ssid_len);
- return sizeof(ssid_tlv->header) + priv->scan_ssid_len;
-}
-
-/*
- * Add CHANLIST TLV of the form
- *
- * TLV-ID CHANLIST 01 01
- * length 5b 00
- * channel 1 00 01 00 00 00 64 00
- * radio type 00
- * channel 01
- * scan type 00
- * min scan time 00 00
- * max scan time 64 00
- * channel 2 00 02 00 00 00 64 00
- * channel 3 00 03 00 00 00 64 00
- * channel 4 00 04 00 00 00 64 00
- * channel 5 00 05 00 00 00 64 00
- * channel 6 00 06 00 00 00 64 00
- * channel 7 00 07 00 00 00 64 00
- * channel 8 00 08 00 00 00 64 00
- * channel 9 00 09 00 00 00 64 00
- * channel 10 00 0a 00 00 00 64 00
- * channel 11 00 0b 00 00 00 64 00
- * channel 12 00 0c 00 00 00 64 00
- * channel 13 00 0d 00 00 00 64 00
- *
- */
-static int lbs_scan_add_chanlist_tlv(uint8_t *tlv,
- struct chanscanparamset *chan_list,
- int chan_count)
-{
- size_t size = sizeof(struct chanscanparamset) *chan_count;
- struct mrvl_ie_chanlist_param_set *chan_tlv = (void *)tlv;
-
- chan_tlv->header.type = cpu_to_le16(TLV_TYPE_CHANLIST);
- memcpy(chan_tlv->chanscanparam, chan_list, size);
- chan_tlv->header.len = cpu_to_le16(size);
- return sizeof(chan_tlv->header) + size;
-}
-
-/*
- * Add RATES TLV of the form
- *
- * TLV-ID RATES 01 00
- * length 0e 00
- * rates 82 84 8b 96 0c 12 18 24 30 48 60 6c
- *
- * The rates are in lbs_bg_rates[], but for the 802.11b
- * rates the high bit isn't set.
- */
-static int lbs_scan_add_rates_tlv(uint8_t *tlv)
-{
- int i;
- struct mrvl_ie_rates_param_set *rate_tlv = (void *)tlv;
-
- rate_tlv->header.type = cpu_to_le16(TLV_TYPE_RATES);
- tlv += sizeof(rate_tlv->header);
- for (i = 0; i < MAX_RATES; i++) {
- *tlv = lbs_bg_rates[i];
- if (*tlv == 0)
- break;
- /* This code makes sure that the 802.11b rates (1 MBit/s, 2
- MBit/s, 5.5 MBit/s and 11 MBit/s get's the high bit set.
- Note that the values are MBit/s * 2, to mark them as
- basic rates so that the firmware likes it better */
- if (*tlv == 0x02 || *tlv == 0x04 ||
- *tlv == 0x0b || *tlv == 0x16)
- *tlv |= 0x80;
- tlv++;
- }
- rate_tlv->header.len = cpu_to_le16(i);
- return sizeof(rate_tlv->header) + i;
-}
-
-/*
- * Generate the CMD_802_11_SCAN command with the proper tlv
- * for a bunch of channels.
- */
-static int lbs_do_scan(struct lbs_private *priv, uint8_t bsstype,
- struct chanscanparamset *chan_list, int chan_count)
-{
- int ret = -ENOMEM;
- struct cmd_ds_802_11_scan *scan_cmd;
- uint8_t *tlv; /* pointer into our current, growing TLV storage area */
-
- lbs_deb_enter_args(LBS_DEB_SCAN, "bsstype %d, chanlist[].chan %d, chan_count %d",
- bsstype, chan_list ? chan_list[0].channumber : -1,
- chan_count);
-
- /* create the fixed part for scan command */
- scan_cmd = kzalloc(MAX_SCAN_CFG_ALLOC, GFP_KERNEL);
- if (scan_cmd == NULL)
- goto out;
-
- tlv = scan_cmd->tlvbuffer;
- /* TODO: do we need to scan for a specific BSSID?
- memcpy(scan_cmd->bssid, priv->scan_bssid, ETH_ALEN); */
- scan_cmd->bsstype = bsstype;
-
- /* add TLVs */
- if (priv->scan_ssid_len)
- tlv += lbs_scan_add_ssid_tlv(priv, tlv);
- if (chan_list && chan_count)
- tlv += lbs_scan_add_chanlist_tlv(tlv, chan_list, chan_count);
- tlv += lbs_scan_add_rates_tlv(tlv);
-
- /* This is the final data we are about to send */
- scan_cmd->hdr.size = cpu_to_le16(tlv - (uint8_t *)scan_cmd);
- lbs_deb_hex(LBS_DEB_SCAN, "SCAN_CMD", (void *)scan_cmd,
- sizeof(*scan_cmd));
- lbs_deb_hex(LBS_DEB_SCAN, "SCAN_TLV", scan_cmd->tlvbuffer,
- tlv - scan_cmd->tlvbuffer);
-
- ret = __lbs_cmd(priv, CMD_802_11_SCAN, &scan_cmd->hdr,
- le16_to_cpu(scan_cmd->hdr.size),
- lbs_ret_80211_scan, 0);
-
-out:
- kfree(scan_cmd);
- lbs_deb_leave_args(LBS_DEB_SCAN, "ret %d", ret);
- return ret;
-}
-
-/**
- * @brief Internal function used to start a scan based on an input config
- *
- * Use the input user scan configuration information when provided in
- * order to send the appropriate scan commands to firmware to populate or
- * update the internal driver scan table
- *
- * @param priv A pointer to struct lbs_private structure
- * @param full_scan Do a full-scan (blocking)
- *
- * @return 0 or < 0 if error
- */
-int lbs_scan_networks(struct lbs_private *priv, int full_scan)
-{
- int ret = -ENOMEM;
- struct chanscanparamset *chan_list;
- struct chanscanparamset *curr_chans;
- int chan_count;
- uint8_t bsstype = CMD_BSS_TYPE_ANY;
- int numchannels = MRVDRV_CHANNELS_PER_SCAN_CMD;
- union iwreq_data wrqu;
-#ifdef CONFIG_LIBERTAS_DEBUG
- struct bss_descriptor *iter;
- int i = 0;
- DECLARE_SSID_BUF(ssid);
-#endif
-
- lbs_deb_enter_args(LBS_DEB_SCAN, "full_scan %d", full_scan);
-
- /* Cancel any partial outstanding partial scans if this scan
- * is a full scan.
- */
- if (full_scan && delayed_work_pending(&priv->scan_work))
- cancel_delayed_work(&priv->scan_work);
-
- /* User-specified bsstype or channel list
- TODO: this can be implemented if some user-space application
- need the feature. Formerly, it was accessible from debugfs,
- but then nowhere used.
- if (user_cfg) {
- if (user_cfg->bsstype)
- bsstype = user_cfg->bsstype;
- } */
-
- lbs_deb_scan("numchannels %d, bsstype %d\n", numchannels, bsstype);
-
- /* Create list of channels to scan */
- chan_list = kzalloc(sizeof(struct chanscanparamset) *
- LBS_IOCTL_USER_SCAN_CHAN_MAX, GFP_KERNEL);
- if (!chan_list) {
- lbs_pr_alert("SCAN: chan_list empty\n");
- goto out;
- }
-
- /* We want to scan all channels */
- chan_count = lbs_scan_create_channel_list(priv, chan_list);
-
- netif_stop_queue(priv->dev);
- netif_carrier_off(priv->dev);
- if (priv->mesh_dev) {
- netif_stop_queue(priv->mesh_dev);
- netif_carrier_off(priv->mesh_dev);
- }
-
- /* Prepare to continue an interrupted scan */
- lbs_deb_scan("chan_count %d, scan_channel %d\n",
- chan_count, priv->scan_channel);
- curr_chans = chan_list;
- /* advance channel list by already-scanned-channels */
- if (priv->scan_channel > 0) {
- curr_chans += priv->scan_channel;
- chan_count -= priv->scan_channel;
- }
-
- /* Send scan command(s)
- * numchannels contains the number of channels we should maximally scan
- * chan_count is the total number of channels to scan
- */
-
- while (chan_count) {
- int to_scan = min(numchannels, chan_count);
- lbs_deb_scan("scanning %d of %d channels\n",
- to_scan, chan_count);
- ret = lbs_do_scan(priv, bsstype, curr_chans,
- to_scan);
- if (ret) {
- lbs_pr_err("SCAN_CMD failed\n");
- goto out2;
- }
- curr_chans += to_scan;
- chan_count -= to_scan;
-
- /* somehow schedule the next part of the scan */
- if (chan_count && !full_scan &&
- !priv->surpriseremoved) {
- /* -1 marks just that we're currently scanning */
- if (priv->scan_channel < 0)
- priv->scan_channel = to_scan;
- else
- priv->scan_channel += to_scan;
- cancel_delayed_work(&priv->scan_work);
- queue_delayed_work(priv->work_thread, &priv->scan_work,
- msecs_to_jiffies(300));
- /* skip over GIWSCAN event */
- goto out;
- }
-
- }
- memset(&wrqu, 0, sizeof(union iwreq_data));
- wireless_send_event(priv->dev, SIOCGIWSCAN, &wrqu, NULL);
-
-#ifdef CONFIG_LIBERTAS_DEBUG
- /* Dump the scan table */
- mutex_lock(&priv->lock);
- lbs_deb_scan("scan table:\n");
- list_for_each_entry(iter, &priv->network_list, list)
- lbs_deb_scan("%02d: BSSID %pM, RSSI %d, SSID '%s'\n",
- i++, iter->bssid, iter->rssi,
- print_ssid(ssid, iter->ssid, iter->ssid_len));
- mutex_unlock(&priv->lock);
-#endif
-
-out2:
- priv->scan_channel = 0;
-
-out:
- if (priv->connect_status == LBS_CONNECTED) {
- netif_carrier_on(priv->dev);
- if (!priv->tx_pending_len)
- netif_wake_queue(priv->dev);
- }
- if (priv->mesh_dev && lbs_mesh_connected(priv)) {
- netif_carrier_on(priv->mesh_dev);
- if (!priv->tx_pending_len)
- netif_wake_queue(priv->mesh_dev);
- }
- kfree(chan_list);
-
- lbs_deb_leave_args(LBS_DEB_SCAN, "ret %d", ret);
- return ret;
-}
-
-void lbs_scan_worker(struct work_struct *work)
-{
- struct lbs_private *priv =
- container_of(work, struct lbs_private, scan_work.work);
-
- lbs_deb_enter(LBS_DEB_SCAN);
- lbs_scan_networks(priv, 0);
- lbs_deb_leave(LBS_DEB_SCAN);
-}
-
-
-/*********************************************************************/
-/* */
-/* Result interpretation */
-/* */
-/*********************************************************************/
-
-/**
- * @brief Interpret a BSS scan response returned from the firmware
- *
- * Parse the various fixed fields and IEs passed back for a a BSS probe
- * response or beacon from the scan command. Record information as needed
- * in the scan table struct bss_descriptor for that entry.
- *
- * @param bss Output parameter: Pointer to the BSS Entry
- *
- * @return 0 or -1
- */
-static int lbs_process_bss(struct bss_descriptor *bss,
- uint8_t **pbeaconinfo, int *bytesleft)
-{
- struct ieee_ie_fh_param_set *fh;
- struct ieee_ie_ds_param_set *ds;
- struct ieee_ie_cf_param_set *cf;
- struct ieee_ie_ibss_param_set *ibss;
- DECLARE_SSID_BUF(ssid);
- uint8_t *pos, *end, *p;
- uint8_t n_ex_rates = 0, got_basic_rates = 0, n_basic_rates = 0;
- uint16_t beaconsize = 0;
- int ret;
-
- lbs_deb_enter(LBS_DEB_SCAN);
-
- if (*bytesleft >= sizeof(beaconsize)) {
- /* Extract & convert beacon size from the command buffer */
- beaconsize = get_unaligned_le16(*pbeaconinfo);
- *bytesleft -= sizeof(beaconsize);
- *pbeaconinfo += sizeof(beaconsize);
- }
-
- if (beaconsize == 0 || beaconsize > *bytesleft) {
- *pbeaconinfo += *bytesleft;
- *bytesleft = 0;
- ret = -1;
- goto done;
- }
-
- /* Initialize the current working beacon pointer for this BSS iteration */
- pos = *pbeaconinfo;
- end = pos + beaconsize;
-
- /* Advance the return beacon pointer past the current beacon */
- *pbeaconinfo += beaconsize;
- *bytesleft -= beaconsize;
-
- memcpy(bss->bssid, pos, ETH_ALEN);
- lbs_deb_scan("process_bss: BSSID %pM\n", bss->bssid);
- pos += ETH_ALEN;
-
- if ((end - pos) < 12) {
- lbs_deb_scan("process_bss: Not enough bytes left\n");
- ret = -1;
- goto done;
- }
-
- /*
- * next 4 fields are RSSI, time stamp, beacon interval,
- * and capability information
- */
-
- /* RSSI is 1 byte long */
- bss->rssi = *pos;
- lbs_deb_scan("process_bss: RSSI %d\n", *pos);
- pos++;
-
- /* time stamp is 8 bytes long */
- pos += 8;
-
- /* beacon interval is 2 bytes long */
- bss->beaconperiod = get_unaligned_le16(pos);
- pos += 2;
-
- /* capability information is 2 bytes long */
- bss->capability = get_unaligned_le16(pos);
- lbs_deb_scan("process_bss: capabilities 0x%04x\n", bss->capability);
- pos += 2;
-
- if (bss->capability & WLAN_CAPABILITY_PRIVACY)
- lbs_deb_scan("process_bss: WEP enabled\n");
- if (bss->capability & WLAN_CAPABILITY_IBSS)
- bss->mode = IW_MODE_ADHOC;
- else
- bss->mode = IW_MODE_INFRA;
-
- /* rest of the current buffer are IE's */
- lbs_deb_scan("process_bss: IE len %zd\n", end - pos);
- lbs_deb_hex(LBS_DEB_SCAN, "process_bss: IE info", pos, end - pos);
-
- /* process variable IE */
- while (pos <= end - 2) {
- if (pos + pos[1] > end) {
- lbs_deb_scan("process_bss: error in processing IE, "
- "bytes left < IE length\n");
- break;
- }
-
- switch (pos[0]) {
- case WLAN_EID_SSID:
- bss->ssid_len = min_t(int, IEEE80211_MAX_SSID_LEN, pos[1]);
- memcpy(bss->ssid, pos + 2, bss->ssid_len);
- lbs_deb_scan("got SSID IE: '%s', len %u\n",
- print_ssid(ssid, bss->ssid, bss->ssid_len),
- bss->ssid_len);
- break;
-
- case WLAN_EID_SUPP_RATES:
- n_basic_rates = min_t(uint8_t, MAX_RATES, pos[1]);
- memcpy(bss->rates, pos + 2, n_basic_rates);
- got_basic_rates = 1;
- lbs_deb_scan("got RATES IE\n");
- break;
-
- case WLAN_EID_FH_PARAMS:
- fh = (struct ieee_ie_fh_param_set *) pos;
- memcpy(&bss->phy.fh, fh, sizeof(*fh));
- lbs_deb_scan("got FH IE\n");
- break;
-
- case WLAN_EID_DS_PARAMS:
- ds = (struct ieee_ie_ds_param_set *) pos;
- bss->channel = ds->channel;
- memcpy(&bss->phy.ds, ds, sizeof(*ds));
- lbs_deb_scan("got DS IE, channel %d\n", bss->channel);
- break;
-
- case WLAN_EID_CF_PARAMS:
- cf = (struct ieee_ie_cf_param_set *) pos;
- memcpy(&bss->ss.cf, cf, sizeof(*cf));
- lbs_deb_scan("got CF IE\n");
- break;
-
- case WLAN_EID_IBSS_PARAMS:
- ibss = (struct ieee_ie_ibss_param_set *) pos;
- bss->atimwindow = ibss->atimwindow;
- memcpy(&bss->ss.ibss, ibss, sizeof(*ibss));
- lbs_deb_scan("got IBSS IE\n");
- break;
-
- case WLAN_EID_EXT_SUPP_RATES:
- /* only process extended supported rate if data rate is
- * already found. Data rate IE should come before
- * extended supported rate IE
- */
- lbs_deb_scan("got RATESEX IE\n");
- if (!got_basic_rates) {
- lbs_deb_scan("... but ignoring it\n");
- break;
- }
-
- n_ex_rates = pos[1];
- if (n_basic_rates + n_ex_rates > MAX_RATES)
- n_ex_rates = MAX_RATES - n_basic_rates;
-
- p = bss->rates + n_basic_rates;
- memcpy(p, pos + 2, n_ex_rates);
- break;
-
- case WLAN_EID_GENERIC:
- if (pos[1] >= 4 &&
- pos[2] == 0x00 && pos[3] == 0x50 &&
- pos[4] == 0xf2 && pos[5] == 0x01) {
- bss->wpa_ie_len = min(pos[1] + 2, MAX_WPA_IE_LEN);
- memcpy(bss->wpa_ie, pos, bss->wpa_ie_len);
- lbs_deb_scan("got WPA IE\n");
- lbs_deb_hex(LBS_DEB_SCAN, "WPA IE", bss->wpa_ie,
- bss->wpa_ie_len);
- } else if (pos[1] >= MARVELL_MESH_IE_LENGTH &&
- pos[2] == 0x00 && pos[3] == 0x50 &&
- pos[4] == 0x43 && pos[5] == 0x04) {
- lbs_deb_scan("got mesh IE\n");
- bss->mesh = 1;
- } else {
- lbs_deb_scan("got generic IE: %02x:%02x:%02x:%02x, len %d\n",
- pos[2], pos[3],
- pos[4], pos[5],
- pos[1]);
- }
- break;
-
- case WLAN_EID_RSN:
- lbs_deb_scan("got RSN IE\n");
- bss->rsn_ie_len = min(pos[1] + 2, MAX_WPA_IE_LEN);
- memcpy(bss->rsn_ie, pos, bss->rsn_ie_len);
- lbs_deb_hex(LBS_DEB_SCAN, "process_bss: RSN_IE",
- bss->rsn_ie, bss->rsn_ie_len);
- break;
-
- default:
- lbs_deb_scan("got IE 0x%04x, len %d\n",
- pos[0], pos[1]);
- break;
- }
-
- pos += pos[1] + 2;
- }
-
- /* Timestamp */
- bss->last_scanned = jiffies;
- lbs_unset_basic_rate_flags(bss->rates, sizeof(bss->rates));
-
- ret = 0;
-
-done:
- lbs_deb_leave_args(LBS_DEB_SCAN, "ret %d", ret);
- return ret;
-}
-
-/**
- * @brief Send a scan command for all available channels filtered on a spec
- *
- * Used in association code and from debugfs
- *
- * @param priv A pointer to struct lbs_private structure
- * @param ssid A pointer to the SSID to scan for
- * @param ssid_len Length of the SSID
- *
- * @return 0-success, otherwise fail
- */
-int lbs_send_specific_ssid_scan(struct lbs_private *priv, uint8_t *ssid,
- uint8_t ssid_len)
-{
- DECLARE_SSID_BUF(ssid_buf);
- int ret = 0;
-
- lbs_deb_enter_args(LBS_DEB_SCAN, "SSID '%s'\n",
- print_ssid(ssid_buf, ssid, ssid_len));
-
- if (!ssid_len)
- goto out;
-
- memcpy(priv->scan_ssid, ssid, ssid_len);
- priv->scan_ssid_len = ssid_len;
-
- lbs_scan_networks(priv, 1);
- if (priv->surpriseremoved) {
- ret = -1;
- goto out;
- }
-
-out:
- lbs_deb_leave_args(LBS_DEB_SCAN, "ret %d", ret);
- return ret;
-}
-
-
-
-
-/*********************************************************************/
-/* */
-/* Support for Wireless Extensions */
-/* */
-/*********************************************************************/
-
-
-#define MAX_CUSTOM_LEN 64
-
-static inline char *lbs_translate_scan(struct lbs_private *priv,
- struct iw_request_info *info,
- char *start, char *stop,
- struct bss_descriptor *bss)
-{
- struct chan_freq_power *cfp;
- char *current_val; /* For rates */
- struct iw_event iwe; /* Temporary buffer */
- int j;
-#define PERFECT_RSSI ((uint8_t)50)
-#define WORST_RSSI ((uint8_t)0)
-#define RSSI_DIFF ((uint8_t)(PERFECT_RSSI - WORST_RSSI))
- uint8_t rssi;
-
- lbs_deb_enter(LBS_DEB_SCAN);
-
- cfp = lbs_find_cfp_by_band_and_channel(priv, 0, bss->channel);
- if (!cfp) {
- lbs_deb_scan("Invalid channel number %d\n", bss->channel);
- start = NULL;
- goto out;
- }
-
- /* First entry *MUST* be the BSSID */
- iwe.cmd = SIOCGIWAP;
- iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
- memcpy(iwe.u.ap_addr.sa_data, &bss->bssid, ETH_ALEN);
- start = iwe_stream_add_event(info, start, stop, &iwe, IW_EV_ADDR_LEN);
-
- /* SSID */
- iwe.cmd = SIOCGIWESSID;
- iwe.u.data.flags = 1;
- iwe.u.data.length = min((uint32_t) bss->ssid_len, (uint32_t) IEEE80211_MAX_SSID_LEN);
- start = iwe_stream_add_point(info, start, stop, &iwe, bss->ssid);
-
- /* Mode */
- iwe.cmd = SIOCGIWMODE;
- iwe.u.mode = bss->mode;
- start = iwe_stream_add_event(info, start, stop, &iwe, IW_EV_UINT_LEN);
-
- /* Frequency */
- iwe.cmd = SIOCGIWFREQ;
- iwe.u.freq.m = (long)cfp->freq * 100000;
- iwe.u.freq.e = 1;
- start = iwe_stream_add_event(info, start, stop, &iwe, IW_EV_FREQ_LEN);
-
- /* Add quality statistics */
- iwe.cmd = IWEVQUAL;
- iwe.u.qual.updated = IW_QUAL_ALL_UPDATED;
- iwe.u.qual.level = SCAN_RSSI(bss->rssi);
-
- rssi = iwe.u.qual.level - MRVDRV_NF_DEFAULT_SCAN_VALUE;
- iwe.u.qual.qual =
- (100 * RSSI_DIFF * RSSI_DIFF - (PERFECT_RSSI - rssi) *
- (15 * (RSSI_DIFF) + 62 * (PERFECT_RSSI - rssi))) /
- (RSSI_DIFF * RSSI_DIFF);
- if (iwe.u.qual.qual > 100)
- iwe.u.qual.qual = 100;
-
- if (priv->NF[TYPE_BEACON][TYPE_NOAVG] == 0) {
- iwe.u.qual.noise = MRVDRV_NF_DEFAULT_SCAN_VALUE;
- } else {
- iwe.u.qual.noise = CAL_NF(priv->NF[TYPE_BEACON][TYPE_NOAVG]);
- }
-
- /* Locally created ad-hoc BSSs won't have beacons if this is the
- * only station in the adhoc network; so get signal strength
- * from receive statistics.
- */
- if ((priv->mode == IW_MODE_ADHOC) && priv->adhoccreate
- && !lbs_ssid_cmp(priv->curbssparams.ssid,
- priv->curbssparams.ssid_len,
- bss->ssid, bss->ssid_len)) {
- int snr, nf;
- snr = priv->SNR[TYPE_RXPD][TYPE_AVG] / AVG_SCALE;
- nf = priv->NF[TYPE_RXPD][TYPE_AVG] / AVG_SCALE;
- iwe.u.qual.level = CAL_RSSI(snr, nf);
- }
- start = iwe_stream_add_event(info, start, stop, &iwe, IW_EV_QUAL_LEN);
-
- /* Add encryption capability */
- iwe.cmd = SIOCGIWENCODE;
- if (bss->capability & WLAN_CAPABILITY_PRIVACY) {
- iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
- } else {
- iwe.u.data.flags = IW_ENCODE_DISABLED;
- }
- iwe.u.data.length = 0;
- start = iwe_stream_add_point(info, start, stop, &iwe, bss->ssid);
-
- current_val = start + iwe_stream_lcp_len(info);
-
- iwe.cmd = SIOCGIWRATE;
- iwe.u.bitrate.fixed = 0;
- iwe.u.bitrate.disabled = 0;
- iwe.u.bitrate.value = 0;
-
- for (j = 0; j < ARRAY_SIZE(bss->rates) && bss->rates[j]; j++) {
- /* Bit rate given in 500 kb/s units */
- iwe.u.bitrate.value = bss->rates[j] * 500000;
- current_val = iwe_stream_add_value(info, start, current_val,
- stop, &iwe, IW_EV_PARAM_LEN);
- }
- if ((bss->mode == IW_MODE_ADHOC) && priv->adhoccreate
- && !lbs_ssid_cmp(priv->curbssparams.ssid,
- priv->curbssparams.ssid_len,
- bss->ssid, bss->ssid_len)) {
- iwe.u.bitrate.value = 22 * 500000;
- current_val = iwe_stream_add_value(info, start, current_val,
- stop, &iwe, IW_EV_PARAM_LEN);
- }
- /* Check if we added any event */
- if ((current_val - start) > iwe_stream_lcp_len(info))
- start = current_val;
-
- memset(&iwe, 0, sizeof(iwe));
- if (bss->wpa_ie_len) {
- char buf[MAX_WPA_IE_LEN];
- memcpy(buf, bss->wpa_ie, bss->wpa_ie_len);
- iwe.cmd = IWEVGENIE;
- iwe.u.data.length = bss->wpa_ie_len;
- start = iwe_stream_add_point(info, start, stop, &iwe, buf);
- }
-
- memset(&iwe, 0, sizeof(iwe));
- if (bss->rsn_ie_len) {
- char buf[MAX_WPA_IE_LEN];
- memcpy(buf, bss->rsn_ie, bss->rsn_ie_len);
- iwe.cmd = IWEVGENIE;
- iwe.u.data.length = bss->rsn_ie_len;
- start = iwe_stream_add_point(info, start, stop, &iwe, buf);
- }
-
- if (bss->mesh) {
- char custom[MAX_CUSTOM_LEN];
- char *p = custom;
-
- iwe.cmd = IWEVCUSTOM;
- p += snprintf(p, MAX_CUSTOM_LEN, "mesh-type: olpc");
- iwe.u.data.length = p - custom;
- if (iwe.u.data.length)
- start = iwe_stream_add_point(info, start, stop,
- &iwe, custom);
- }
-
-out:
- lbs_deb_leave_args(LBS_DEB_SCAN, "start %p", start);
- return start;
-}
-
-
-/**
- * @brief Handle Scan Network ioctl
- *
- * @param dev A pointer to net_device structure
- * @param info A pointer to iw_request_info structure
- * @param vwrq A pointer to iw_param structure
- * @param extra A pointer to extra data buf
- *
- * @return 0 --success, otherwise fail
- */
-int lbs_set_scan(struct net_device *dev, struct iw_request_info *info,
- union iwreq_data *wrqu, char *extra)
-{
- DECLARE_SSID_BUF(ssid);
- struct lbs_private *priv = dev->ml_priv;
- int ret = 0;
-
- lbs_deb_enter(LBS_DEB_WEXT);
-
- if (!priv->radio_on) {
- ret = -EINVAL;
- goto out;
- }
-
- if (!netif_running(dev)) {
- ret = -ENETDOWN;
- goto out;
- }
-
- /* mac80211 does this:
- struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- if (sdata->type != IEEE80211_IF_TYPE_xxx) {
- ret = -EOPNOTSUPP;
- goto out;
- }
- */
-
- if (wrqu->data.length == sizeof(struct iw_scan_req) &&
- wrqu->data.flags & IW_SCAN_THIS_ESSID) {
- struct iw_scan_req *req = (struct iw_scan_req *)extra;
- priv->scan_ssid_len = req->essid_len;
- memcpy(priv->scan_ssid, req->essid, priv->scan_ssid_len);
- lbs_deb_wext("set_scan, essid '%s'\n",
- print_ssid(ssid, priv->scan_ssid, priv->scan_ssid_len));
- } else {
- priv->scan_ssid_len = 0;
- }
-
- if (!delayed_work_pending(&priv->scan_work))
- queue_delayed_work(priv->work_thread, &priv->scan_work,
- msecs_to_jiffies(50));
- /* set marker that currently a scan is taking place */
- priv->scan_channel = -1;
-
- if (priv->surpriseremoved)
- ret = -EIO;
-
-out:
- lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
- return ret;
-}
-
-
-/**
- * @brief Handle Retrieve scan table ioctl
- *
- * @param dev A pointer to net_device structure
- * @param info A pointer to iw_request_info structure
- * @param dwrq A pointer to iw_point structure
- * @param extra A pointer to extra data buf
- *
- * @return 0 --success, otherwise fail
- */
-int lbs_get_scan(struct net_device *dev, struct iw_request_info *info,
- struct iw_point *dwrq, char *extra)
-{
-#define SCAN_ITEM_SIZE 128
- struct lbs_private *priv = dev->ml_priv;
- int err = 0;
- char *ev = extra;
- char *stop = ev + dwrq->length;
- struct bss_descriptor *iter_bss;
- struct bss_descriptor *safe;
-
- lbs_deb_enter(LBS_DEB_WEXT);
-
- /* iwlist should wait until the current scan is finished */
- if (priv->scan_channel)
- return -EAGAIN;
-
- /* Update RSSI if current BSS is a locally created ad-hoc BSS */
- if ((priv->mode == IW_MODE_ADHOC) && priv->adhoccreate) {
- err = lbs_prepare_and_send_command(priv, CMD_802_11_RSSI, 0,
- CMD_OPTION_WAITFORRSP, 0, NULL);
- if (err)
- goto out;
- }
-
- mutex_lock(&priv->lock);
- list_for_each_entry_safe (iter_bss, safe, &priv->network_list, list) {
- char *next_ev;
- unsigned long stale_time;
-
- if (stop - ev < SCAN_ITEM_SIZE) {
- err = -E2BIG;
- break;
- }
-
- /* For mesh device, list only mesh networks */
- if (dev == priv->mesh_dev && !iter_bss->mesh)
- continue;
-
- /* Prune old an old scan result */
- stale_time = iter_bss->last_scanned + DEFAULT_MAX_SCAN_AGE;
- if (time_after(jiffies, stale_time)) {
- list_move_tail(&iter_bss->list, &priv->network_free_list);
- clear_bss_descriptor(iter_bss);
- continue;
- }
-
- /* Translate to WE format this entry */
- next_ev = lbs_translate_scan(priv, info, ev, stop, iter_bss);
- if (next_ev == NULL)
- continue;
- ev = next_ev;
- }
- mutex_unlock(&priv->lock);
-
- dwrq->length = (ev - extra);
- dwrq->flags = 0;
-out:
- lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", err);
- return err;
-}
-
-
-
-
-/*********************************************************************/
-/* */
-/* Command execution */
-/* */
-/*********************************************************************/
-
-
-/**
- * @brief This function handles the command response of scan
- *
- * Called from handle_cmd_response() in cmdrespc.
- *
- * The response buffer for the scan command has the following
- * memory layout:
- *
- * .-----------------------------------------------------------.
- * | header (4 * sizeof(u16)): Standard command response hdr |
- * .-----------------------------------------------------------.
- * | bufsize (u16) : sizeof the BSS Description data |
- * .-----------------------------------------------------------.
- * | NumOfSet (u8) : Number of BSS Descs returned |
- * .-----------------------------------------------------------.
- * | BSSDescription data (variable, size given in bufsize) |
- * .-----------------------------------------------------------.
- * | TLV data (variable, size calculated using header->size, |
- * | bufsize and sizeof the fixed fields above) |
- * .-----------------------------------------------------------.
- *
- * @param priv A pointer to struct lbs_private structure
- * @param resp A pointer to cmd_ds_command
- *
- * @return 0 or -1
- */
-static int lbs_ret_80211_scan(struct lbs_private *priv, unsigned long dummy,
- struct cmd_header *resp)
-{
- struct cmd_ds_802_11_scan_rsp *scanresp = (void *)resp;
- struct bss_descriptor *iter_bss;
- struct bss_descriptor *safe;
- uint8_t *bssinfo;
- uint16_t scanrespsize;
- int bytesleft;
- int idx;
- int tlvbufsize;
- int ret;
-
- lbs_deb_enter(LBS_DEB_SCAN);
-
- /* Prune old entries from scan table */
- list_for_each_entry_safe (iter_bss, safe, &priv->network_list, list) {
- unsigned long stale_time = iter_bss->last_scanned + DEFAULT_MAX_SCAN_AGE;
- if (time_before(jiffies, stale_time))
- continue;
- list_move_tail (&iter_bss->list, &priv->network_free_list);
- clear_bss_descriptor(iter_bss);
- }
-
- if (scanresp->nr_sets > MAX_NETWORK_COUNT) {
- lbs_deb_scan("SCAN_RESP: too many scan results (%d, max %d)\n",
- scanresp->nr_sets, MAX_NETWORK_COUNT);
- ret = -1;
- goto done;
- }
-
- bytesleft = get_unaligned_le16(&scanresp->bssdescriptsize);
- lbs_deb_scan("SCAN_RESP: bssdescriptsize %d\n", bytesleft);
-
- scanrespsize = le16_to_cpu(resp->size);
- lbs_deb_scan("SCAN_RESP: scan results %d\n", scanresp->nr_sets);
-
- bssinfo = scanresp->bssdesc_and_tlvbuffer;
-
- /* The size of the TLV buffer is equal to the entire command response
- * size (scanrespsize) minus the fixed fields (sizeof()'s), the
- * BSS Descriptions (bssdescriptsize as bytesLef) and the command
- * response header (sizeof(struct cmd_header))
- */
- tlvbufsize = scanrespsize - (bytesleft + sizeof(scanresp->bssdescriptsize)
- + sizeof(scanresp->nr_sets)
- + sizeof(struct cmd_header));
-
- /*
- * Process each scan response returned (scanresp->nr_sets). Save
- * the information in the newbssentry and then insert into the
- * driver scan table either as an update to an existing entry
- * or as an addition at the end of the table
- */
- for (idx = 0; idx < scanresp->nr_sets && bytesleft; idx++) {
- struct bss_descriptor new;
- struct bss_descriptor *found = NULL;
- struct bss_descriptor *oldest = NULL;
-
- /* Process the data fields and IEs returned for this BSS */
- memset(&new, 0, sizeof (struct bss_descriptor));
- if (lbs_process_bss(&new, &bssinfo, &bytesleft) != 0) {
- /* error parsing the scan response, skipped */
- lbs_deb_scan("SCAN_RESP: process_bss returned ERROR\n");
- continue;
- }
-
- /* Try to find this bss in the scan table */
- list_for_each_entry (iter_bss, &priv->network_list, list) {
- if (is_same_network(iter_bss, &new)) {
- found = iter_bss;
- break;
- }
-
- if ((oldest == NULL) ||
- (iter_bss->last_scanned < oldest->last_scanned))
- oldest = iter_bss;
- }
-
- if (found) {
- /* found, clear it */
- clear_bss_descriptor(found);
- } else if (!list_empty(&priv->network_free_list)) {
- /* Pull one from the free list */
- found = list_entry(priv->network_free_list.next,
- struct bss_descriptor, list);
- list_move_tail(&found->list, &priv->network_list);
- } else if (oldest) {
- /* If there are no more slots, expire the oldest */
- found = oldest;
- clear_bss_descriptor(found);
- list_move_tail(&found->list, &priv->network_list);
- } else {
- continue;
- }
-
- lbs_deb_scan("SCAN_RESP: BSSID %pM\n", new.bssid);
-
- /* Copy the locally created newbssentry to the scan table */
- memcpy(found, &new, offsetof(struct bss_descriptor, list));
- }
-
- ret = 0;
-
-done:
- lbs_deb_leave_args(LBS_DEB_SCAN, "ret %d", ret);
- return ret;
-}
@@ -1,17 +0,0 @@
-/**
- * This file contains definition for IOCTL call.
- */
-#ifndef _LBS_WEXT_H_
-#define _LBS_WEXT_H_
-
-void lbs_send_disconnect_notification(struct lbs_private *priv);
-void lbs_send_mic_failureevent(struct lbs_private *priv, u32 event);
-
-struct chan_freq_power *lbs_find_cfp_by_band_and_channel(
- struct lbs_private *priv,
- u8 band,
- u16 channel);
-
-extern struct iw_handler_def lbs_handler_def;
-
-#endif
@@ -1,2350 +0,0 @@
-/**
- * This file contains ioctl functions
- */
-#include <linux/ctype.h>
-#include <linux/delay.h>
-#include <linux/if.h>
-#include <linux/if_arp.h>
-#include <linux/wireless.h>
-#include <linux/bitops.h>
-
-#include <net/lib80211.h>
-#include <net/iw_handler.h>
-
-#include "host.h"
-#include "radiotap.h"
-#include "decl.h"
-#include "defs.h"
-#include "dev.h"
-#include "wext.h"
-#include "scan.h"
-#include "assoc.h"
-#include "cmd.h"
-
-
-static inline void lbs_postpone_association_work(struct lbs_private *priv)
-{
- if (priv->surpriseremoved)
- return;
- cancel_delayed_work(&priv->assoc_work);
- queue_delayed_work(priv->work_thread, &priv->assoc_work, HZ / 2);
-}
-
-static inline void lbs_do_association_work(struct lbs_private *priv)
-{
- if (priv->surpriseremoved)
- return;
- cancel_delayed_work(&priv->assoc_work);
- queue_delayed_work(priv->work_thread, &priv->assoc_work, 0);
-}
-
-static inline void lbs_cancel_association_work(struct lbs_private *priv)
-{
- cancel_delayed_work(&priv->assoc_work);
- kfree(priv->pending_assoc_req);
- priv->pending_assoc_req = NULL;
-}
-
-void lbs_send_disconnect_notification(struct lbs_private *priv)
-{
- union iwreq_data wrqu;
-
- memset(wrqu.ap_addr.sa_data, 0x00, ETH_ALEN);
- wrqu.ap_addr.sa_family = ARPHRD_ETHER;
- wireless_send_event(priv->dev, SIOCGIWAP, &wrqu, NULL);
-}
-
-static void lbs_send_iwevcustom_event(struct lbs_private *priv, s8 *str)
-{
- union iwreq_data iwrq;
- u8 buf[50];
-
- lbs_deb_enter(LBS_DEB_WEXT);
-
- memset(&iwrq, 0, sizeof(union iwreq_data));
- memset(buf, 0, sizeof(buf));
-
- snprintf(buf, sizeof(buf) - 1, "%s", str);
-
- iwrq.data.length = strlen(buf) + 1 + IW_EV_LCP_LEN;
-
- /* Send Event to upper layer */
- lbs_deb_wext("event indication string %s\n", (char *)buf);
- lbs_deb_wext("event indication length %d\n", iwrq.data.length);
- lbs_deb_wext("sending wireless event IWEVCUSTOM for %s\n", str);
-
- wireless_send_event(priv->dev, IWEVCUSTOM, &iwrq, buf);
-
- lbs_deb_leave(LBS_DEB_WEXT);
-}
-
-/**
- * @brief This function handles MIC failure event.
- *
- * @param priv A pointer to struct lbs_private structure
- * @para event the event id
- * @return n/a
- */
-void lbs_send_mic_failureevent(struct lbs_private *priv, u32 event)
-{
- char buf[50];
-
- lbs_deb_enter(LBS_DEB_CMD);
- memset(buf, 0, sizeof(buf));
-
- sprintf(buf, "%s", "MLME-MICHAELMICFAILURE.indication ");
-
- if (event == MACREG_INT_CODE_MIC_ERR_UNICAST)
- strcat(buf, "unicast ");
- else
- strcat(buf, "multicast ");
-
- lbs_send_iwevcustom_event(priv, buf);
- lbs_deb_leave(LBS_DEB_CMD);
-}
-
-/**
- * @brief Find the channel frequency power info with specific channel
- *
- * @param priv A pointer to struct lbs_private structure
- * @param band it can be BAND_A, BAND_G or BAND_B
- * @param channel the channel for looking
- * @return A pointer to struct chan_freq_power structure or NULL if not find.
- */
-struct chan_freq_power *lbs_find_cfp_by_band_and_channel(
- struct lbs_private *priv,
- u8 band,
- u16 channel)
-{
- struct chan_freq_power *cfp = NULL;
- struct region_channel *rc;
- int i, j;
-
- for (j = 0; !cfp && (j < ARRAY_SIZE(priv->region_channel)); j++) {
- rc = &priv->region_channel[j];
-
- if (!rc->valid || !rc->CFP)
- continue;
- if (rc->band != band)
- continue;
- for (i = 0; i < rc->nrcfp; i++) {
- if (rc->CFP[i].channel == channel) {
- cfp = &rc->CFP[i];
- break;
- }
- }
- }
-
- if (!cfp && channel)
- lbs_deb_wext("lbs_find_cfp_by_band_and_channel: can't find "
- "cfp by band %d / channel %d\n", band, channel);
-
- return cfp;
-}
-
-/**
- * @brief Find the channel frequency power info with specific frequency
- *
- * @param priv A pointer to struct lbs_private structure
- * @param band it can be BAND_A, BAND_G or BAND_B
- * @param freq the frequency for looking
- * @return A pointer to struct chan_freq_power structure or NULL if not find.
- */
-static struct chan_freq_power *find_cfp_by_band_and_freq(
- struct lbs_private *priv,
- u8 band,
- u32 freq)
-{
- struct chan_freq_power *cfp = NULL;
- struct region_channel *rc;
- int i, j;
-
- for (j = 0; !cfp && (j < ARRAY_SIZE(priv->region_channel)); j++) {
- rc = &priv->region_channel[j];
-
- if (!rc->valid || !rc->CFP)
- continue;
- if (rc->band != band)
- continue;
- for (i = 0; i < rc->nrcfp; i++) {
- if (rc->CFP[i].freq == freq) {
- cfp = &rc->CFP[i];
- break;
- }
- }
- }
-
- if (!cfp && freq)
- lbs_deb_wext("find_cfp_by_band_and_freql: can't find cfp by "
- "band %d / freq %d\n", band, freq);
-
- return cfp;
-}
-
-/**
- * @brief Copy active data rates based on adapter mode and status
- *
- * @param priv A pointer to struct lbs_private structure
- * @param rate The buf to return the active rates
- */
-static void copy_active_data_rates(struct lbs_private *priv, u8 *rates)
-{
- lbs_deb_enter(LBS_DEB_WEXT);
-
- if ((priv->connect_status != LBS_CONNECTED) &&
- !lbs_mesh_connected(priv))
- memcpy(rates, lbs_bg_rates, MAX_RATES);
- else
- memcpy(rates, priv->curbssparams.rates, MAX_RATES);
-
- lbs_deb_leave(LBS_DEB_WEXT);
-}
-
-static int lbs_get_name(struct net_device *dev, struct iw_request_info *info,
- char *cwrq, char *extra)
-{
-
- lbs_deb_enter(LBS_DEB_WEXT);
-
- /* We could add support for 802.11n here as needed. Jean II */
- snprintf(cwrq, IFNAMSIZ, "IEEE 802.11b/g");
-
- lbs_deb_leave(LBS_DEB_WEXT);
- return 0;
-}
-
-static int lbs_get_freq(struct net_device *dev, struct iw_request_info *info,
- struct iw_freq *fwrq, char *extra)
-{
- struct lbs_private *priv = dev->ml_priv;
- struct chan_freq_power *cfp;
-
- lbs_deb_enter(LBS_DEB_WEXT);
-
- cfp = lbs_find_cfp_by_band_and_channel(priv, 0,
- priv->channel);
-
- if (!cfp) {
- if (priv->channel)
- lbs_deb_wext("invalid channel %d\n",
- priv->channel);
- return -EINVAL;
- }
-
- fwrq->m = (long)cfp->freq * 100000;
- fwrq->e = 1;
-
- lbs_deb_wext("freq %u\n", fwrq->m);
- lbs_deb_leave(LBS_DEB_WEXT);
- return 0;
-}
-
-static int lbs_get_wap(struct net_device *dev, struct iw_request_info *info,
- struct sockaddr *awrq, char *extra)
-{
- struct lbs_private *priv = dev->ml_priv;
-
- lbs_deb_enter(LBS_DEB_WEXT);
-
- if (priv->connect_status == LBS_CONNECTED) {
- memcpy(awrq->sa_data, priv->curbssparams.bssid, ETH_ALEN);
- } else {
- memset(awrq->sa_data, 0, ETH_ALEN);
- }
- awrq->sa_family = ARPHRD_ETHER;
-
- lbs_deb_leave(LBS_DEB_WEXT);
- return 0;
-}
-
-static int lbs_set_nick(struct net_device *dev, struct iw_request_info *info,
- struct iw_point *dwrq, char *extra)
-{
- struct lbs_private *priv = dev->ml_priv;
-
- lbs_deb_enter(LBS_DEB_WEXT);
-
- /*
- * Check the size of the string
- */
-
- if (dwrq->length > 16) {
- return -E2BIG;
- }
-
- mutex_lock(&priv->lock);
- memset(priv->nodename, 0, sizeof(priv->nodename));
- memcpy(priv->nodename, extra, dwrq->length);
- mutex_unlock(&priv->lock);
-
- lbs_deb_leave(LBS_DEB_WEXT);
- return 0;
-}
-
-static int lbs_get_nick(struct net_device *dev, struct iw_request_info *info,
- struct iw_point *dwrq, char *extra)
-{
- struct lbs_private *priv = dev->ml_priv;
-
- lbs_deb_enter(LBS_DEB_WEXT);
-
- dwrq->length = strlen(priv->nodename);
- memcpy(extra, priv->nodename, dwrq->length);
- extra[dwrq->length] = '\0';
-
- dwrq->flags = 1; /* active */
-
- lbs_deb_leave(LBS_DEB_WEXT);
- return 0;
-}
-
-#ifdef CONFIG_LIBERTAS_MESH
-static int mesh_get_nick(struct net_device *dev, struct iw_request_info *info,
- struct iw_point *dwrq, char *extra)
-{
- struct lbs_private *priv = dev->ml_priv;
-
- lbs_deb_enter(LBS_DEB_WEXT);
-
- /* Use nickname to indicate that mesh is on */
-
- if (lbs_mesh_connected(priv)) {
- strncpy(extra, "Mesh", 12);
- extra[12] = '\0';
- dwrq->length = strlen(extra);
- }
-
- else {
- extra[0] = '\0';
- dwrq->length = 0;
- }
-
- lbs_deb_leave(LBS_DEB_WEXT);
- return 0;
-}
-#endif
-
-static int lbs_set_rts(struct net_device *dev, struct iw_request_info *info,
- struct iw_param *vwrq, char *extra)
-{
- int ret = 0;
- struct lbs_private *priv = dev->ml_priv;
- u32 val = vwrq->value;
-
- lbs_deb_enter(LBS_DEB_WEXT);
-
- if (vwrq->disabled)
- val = MRVDRV_RTS_MAX_VALUE;
-
- if (val > MRVDRV_RTS_MAX_VALUE) /* min rts value is 0 */
- return -EINVAL;
-
- ret = lbs_set_snmp_mib(priv, SNMP_MIB_OID_RTS_THRESHOLD, (u16) val);
-
- lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
- return ret;
-}
-
-static int lbs_get_rts(struct net_device *dev, struct iw_request_info *info,
- struct iw_param *vwrq, char *extra)
-{
- struct lbs_private *priv = dev->ml_priv;
- int ret = 0;
- u16 val = 0;
-
- lbs_deb_enter(LBS_DEB_WEXT);
-
- ret = lbs_get_snmp_mib(priv, SNMP_MIB_OID_RTS_THRESHOLD, &val);
- if (ret)
- goto out;
-
- vwrq->value = val;
- vwrq->disabled = val > MRVDRV_RTS_MAX_VALUE; /* min rts value is 0 */
- vwrq->fixed = 1;
-
-out:
- lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
- return ret;
-}
-
-static int lbs_set_frag(struct net_device *dev, struct iw_request_info *info,
- struct iw_param *vwrq, char *extra)
-{
- struct lbs_private *priv = dev->ml_priv;
- int ret = 0;
- u32 val = vwrq->value;
-
- lbs_deb_enter(LBS_DEB_WEXT);
-
- if (vwrq->disabled)
- val = MRVDRV_FRAG_MAX_VALUE;
-
- if (val < MRVDRV_FRAG_MIN_VALUE || val > MRVDRV_FRAG_MAX_VALUE)
- return -EINVAL;
-
- ret = lbs_set_snmp_mib(priv, SNMP_MIB_OID_FRAG_THRESHOLD, (u16) val);
-
- lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
- return ret;
-}
-
-static int lbs_get_frag(struct net_device *dev, struct iw_request_info *info,
- struct iw_param *vwrq, char *extra)
-{
- struct lbs_private *priv = dev->ml_priv;
- int ret = 0;
- u16 val = 0;
-
- lbs_deb_enter(LBS_DEB_WEXT);
-
- ret = lbs_get_snmp_mib(priv, SNMP_MIB_OID_FRAG_THRESHOLD, &val);
- if (ret)
- goto out;
-
- vwrq->value = val;
- vwrq->disabled = ((val < MRVDRV_FRAG_MIN_VALUE)
- || (val > MRVDRV_FRAG_MAX_VALUE));
- vwrq->fixed = 1;
-
-out:
- lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
- return ret;
-}
-
-static int lbs_get_mode(struct net_device *dev,
- struct iw_request_info *info, u32 * uwrq, char *extra)
-{
- struct lbs_private *priv = dev->ml_priv;
-
- lbs_deb_enter(LBS_DEB_WEXT);
-
- *uwrq = priv->mode;
-
- lbs_deb_leave(LBS_DEB_WEXT);
- return 0;
-}
-
-#ifdef CONFIG_LIBERTAS_MESH
-static int mesh_wlan_get_mode(struct net_device *dev,
- struct iw_request_info *info, u32 * uwrq,
- char *extra)
-{
- lbs_deb_enter(LBS_DEB_WEXT);
-
- *uwrq = IW_MODE_REPEAT;
-
- lbs_deb_leave(LBS_DEB_WEXT);
- return 0;
-}
-#endif
-
-static int lbs_get_txpow(struct net_device *dev,
- struct iw_request_info *info,
- struct iw_param *vwrq, char *extra)
-{
- struct lbs_private *priv = dev->ml_priv;
- s16 curlevel = 0;
- int ret = 0;
-
- lbs_deb_enter(LBS_DEB_WEXT);
-
- if (!priv->radio_on) {
- lbs_deb_wext("tx power off\n");
- vwrq->value = 0;
- vwrq->disabled = 1;
- goto out;
- }
-
- ret = lbs_get_tx_power(priv, &curlevel, NULL, NULL);
- if (ret)
- goto out;
-
- lbs_deb_wext("tx power level %d dbm\n", curlevel);
- priv->txpower_cur = curlevel;
-
- vwrq->value = curlevel;
- vwrq->fixed = 1;
- vwrq->disabled = 0;
- vwrq->flags = IW_TXPOW_DBM;
-
-out:
- lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
- return ret;
-}
-
-static int lbs_set_retry(struct net_device *dev, struct iw_request_info *info,
- struct iw_param *vwrq, char *extra)
-{
- struct lbs_private *priv = dev->ml_priv;
- int ret = 0;
- u16 slimit = 0, llimit = 0;
-
- lbs_deb_enter(LBS_DEB_WEXT);
-
- if ((vwrq->flags & IW_RETRY_TYPE) != IW_RETRY_LIMIT)
- return -EOPNOTSUPP;
-
- /* The MAC has a 4-bit Total_Tx_Count register
- Total_Tx_Count = 1 + Tx_Retry_Count */
-#define TX_RETRY_MIN 0
-#define TX_RETRY_MAX 14
- if (vwrq->value < TX_RETRY_MIN || vwrq->value > TX_RETRY_MAX)
- return -EINVAL;
-
- /* Add 1 to convert retry count to try count */
- if (vwrq->flags & IW_RETRY_SHORT)
- slimit = (u16) (vwrq->value + 1);
- else if (vwrq->flags & IW_RETRY_LONG)
- llimit = (u16) (vwrq->value + 1);
- else
- slimit = llimit = (u16) (vwrq->value + 1); /* set both */
-
- if (llimit) {
- ret = lbs_set_snmp_mib(priv, SNMP_MIB_OID_LONG_RETRY_LIMIT,
- llimit);
- if (ret)
- goto out;
- }
-
- if (slimit) {
- /* txretrycount follows the short retry limit */
- priv->txretrycount = slimit;
- ret = lbs_set_snmp_mib(priv, SNMP_MIB_OID_SHORT_RETRY_LIMIT,
- slimit);
- if (ret)
- goto out;
- }
-
-out:
- lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
- return ret;
-}
-
-static int lbs_get_retry(struct net_device *dev, struct iw_request_info *info,
- struct iw_param *vwrq, char *extra)
-{
- struct lbs_private *priv = dev->ml_priv;
- int ret = 0;
- u16 val = 0;
-
- lbs_deb_enter(LBS_DEB_WEXT);
-
- vwrq->disabled = 0;
-
- if (vwrq->flags & IW_RETRY_LONG) {
- ret = lbs_get_snmp_mib(priv, SNMP_MIB_OID_LONG_RETRY_LIMIT, &val);
- if (ret)
- goto out;
-
- /* Subtract 1 to convert try count to retry count */
- vwrq->value = val - 1;
- vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
- } else {
- ret = lbs_get_snmp_mib(priv, SNMP_MIB_OID_SHORT_RETRY_LIMIT, &val);
- if (ret)
- goto out;
-
- /* txretry count follows the short retry limit */
- priv->txretrycount = val;
- /* Subtract 1 to convert try count to retry count */
- vwrq->value = val - 1;
- vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_SHORT;
- }
-
-out:
- lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
- return ret;
-}
-
-static inline void sort_channels(struct iw_freq *freq, int num)
-{
- int i, j;
- struct iw_freq temp;
-
- for (i = 0; i < num; i++)
- for (j = i + 1; j < num; j++)
- if (freq[i].i > freq[j].i) {
- temp.i = freq[i].i;
- temp.m = freq[i].m;
-
- freq[i].i = freq[j].i;
- freq[i].m = freq[j].m;
-
- freq[j].i = temp.i;
- freq[j].m = temp.m;
- }
-}
-
-/* data rate listing
- MULTI_BANDS:
- abg a b b/g
- Infra G(12) A(8) B(4) G(12)
- Adhoc A+B(12) A(8) B(4) B(4)
-
- non-MULTI_BANDS:
- b b/g
- Infra B(4) G(12)
- Adhoc B(4) B(4)
- */
-/**
- * @brief Get Range Info
- *
- * @param dev A pointer to net_device structure
- * @param info A pointer to iw_request_info structure
- * @param vwrq A pointer to iw_param structure
- * @param extra A pointer to extra data buf
- * @return 0 --success, otherwise fail
- */
-static int lbs_get_range(struct net_device *dev, struct iw_request_info *info,
- struct iw_point *dwrq, char *extra)
-{
- int i, j;
- struct lbs_private *priv = dev->ml_priv;
- struct iw_range *range = (struct iw_range *)extra;
- struct chan_freq_power *cfp;
- u8 rates[MAX_RATES + 1];
-
- lbs_deb_enter(LBS_DEB_WEXT);
-
- dwrq->length = sizeof(struct iw_range);
- memset(range, 0, sizeof(struct iw_range));
-
- range->min_nwid = 0;
- range->max_nwid = 0;
-
- memset(rates, 0, sizeof(rates));
- copy_active_data_rates(priv, rates);
- range->num_bitrates = strnlen(rates, IW_MAX_BITRATES);
- for (i = 0; i < range->num_bitrates; i++)
- range->bitrate[i] = rates[i] * 500000;
- range->num_bitrates = i;
- lbs_deb_wext("IW_MAX_BITRATES %d, num_bitrates %d\n", IW_MAX_BITRATES,
- range->num_bitrates);
-
- range->num_frequency = 0;
-
- range->scan_capa = IW_SCAN_CAPA_ESSID;
-
- for (j = 0; (range->num_frequency < IW_MAX_FREQUENCIES)
- && (j < ARRAY_SIZE(priv->region_channel)); j++) {
- cfp = priv->region_channel[j].CFP;
- for (i = 0; (range->num_frequency < IW_MAX_FREQUENCIES)
- && priv->region_channel[j].valid
- && cfp
- && (i < priv->region_channel[j].nrcfp); i++) {
- range->freq[range->num_frequency].i =
- (long)cfp->channel;
- range->freq[range->num_frequency].m =
- (long)cfp->freq * 100000;
- range->freq[range->num_frequency].e = 1;
- cfp++;
- range->num_frequency++;
- }
- }
-
- lbs_deb_wext("IW_MAX_FREQUENCIES %d, num_frequency %d\n",
- IW_MAX_FREQUENCIES, range->num_frequency);
-
- range->num_channels = range->num_frequency;
-
- sort_channels(&range->freq[0], range->num_frequency);
-
- /*
- * Set an indication of the max TCP throughput in bit/s that we can
- * expect using this interface
- */
- if (i > 2)
- range->throughput = 5000 * 1000;
- else
- range->throughput = 1500 * 1000;
-
- range->min_rts = MRVDRV_RTS_MIN_VALUE;
- range->max_rts = MRVDRV_RTS_MAX_VALUE;
- range->min_frag = MRVDRV_FRAG_MIN_VALUE;
- range->max_frag = MRVDRV_FRAG_MAX_VALUE;
-
- range->encoding_size[0] = 5;
- range->encoding_size[1] = 13;
- range->num_encoding_sizes = 2;
- range->max_encoding_tokens = 4;
-
- /*
- * Right now we support only "iwconfig ethX power on|off"
- */
- range->pm_capa = IW_POWER_ON;
-
- /*
- * Minimum version we recommend
- */
- range->we_version_source = 15;
-
- /*
- * Version we are compiled with
- */
- range->we_version_compiled = WIRELESS_EXT;
-
- range->retry_capa = IW_RETRY_LIMIT;
- range->retry_flags = IW_RETRY_LIMIT | IW_RETRY_MAX;
-
- range->min_retry = TX_RETRY_MIN;
- range->max_retry = TX_RETRY_MAX;
-
- /*
- * Set the qual, level and noise range values
- */
- range->max_qual.qual = 100;
- range->max_qual.level = 0;
- range->max_qual.noise = 0;
- range->max_qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
-
- range->avg_qual.qual = 70;
- /* TODO: Find real 'good' to 'bad' threshold value for RSSI */
- range->avg_qual.level = 0;
- range->avg_qual.noise = 0;
- range->avg_qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
-
- range->sensitivity = 0;
-
- /* Setup the supported power level ranges */
- memset(range->txpower, 0, sizeof(range->txpower));
- range->txpower_capa = IW_TXPOW_DBM | IW_TXPOW_RANGE;
- range->txpower[0] = priv->txpower_min;
- range->txpower[1] = priv->txpower_max;
- range->num_txpower = 2;
-
- range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
- IW_EVENT_CAPA_MASK(SIOCGIWAP) |
- IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
- range->event_capa[1] = IW_EVENT_CAPA_K_1;
-
- if (priv->fwcapinfo & FW_CAPINFO_WPA) {
- range->enc_capa = IW_ENC_CAPA_WPA
- | IW_ENC_CAPA_WPA2
- | IW_ENC_CAPA_CIPHER_TKIP
- | IW_ENC_CAPA_CIPHER_CCMP;
- }
-
- lbs_deb_leave(LBS_DEB_WEXT);
- return 0;
-}
-
-static int lbs_set_power(struct net_device *dev, struct iw_request_info *info,
- struct iw_param *vwrq, char *extra)
-{
- struct lbs_private *priv = dev->ml_priv;
- int ret = 0;
-
- lbs_deb_enter(LBS_DEB_WEXT);
-
- if (!(priv->fwcapinfo & FW_CAPINFO_PS)) {
- if (vwrq->disabled)
- return 0;
- else
- return -EINVAL;
- }
-
- /* PS is currently supported only in Infrastructure mode
- * Remove this check if it is to be supported in IBSS mode also
- */
-
- if (vwrq->disabled) {
- priv->psmode = LBS802_11POWERMODECAM;
- if (priv->psstate != PS_STATE_FULL_POWER) {
- lbs_ps_wakeup(priv, CMD_OPTION_WAITFORRSP);
- }
-
- return 0;
- }
-
- if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
- lbs_deb_wext(
- "setting power timeout is not supported\n");
- return -EINVAL;
- } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
- vwrq->value = vwrq->value / 1000;
- if (!priv->enter_deep_sleep) {
- lbs_pr_err("deep sleep feature is not implemented "
- "for this interface driver\n");
- return -EINVAL;
- }
-
- if (priv->connect_status == LBS_CONNECTED) {
- if ((priv->is_auto_deep_sleep_enabled) &&
- (vwrq->value == -1000)) {
- lbs_exit_auto_deep_sleep(priv);
- return 0;
- } else {
- lbs_pr_err("can't use deep sleep cmd in "
- "connected state\n");
- return -EINVAL;
- }
- }
-
- if ((vwrq->value < 0) && (vwrq->value != -1000)) {
- lbs_pr_err("unknown option\n");
- return -EINVAL;
- }
-
- if (vwrq->value > 0) {
- if (!priv->is_auto_deep_sleep_enabled) {
- priv->is_activity_detected = 0;
- priv->auto_deep_sleep_timeout = vwrq->value;
- lbs_enter_auto_deep_sleep(priv);
- } else {
- priv->auto_deep_sleep_timeout = vwrq->value;
- lbs_deb_debugfs("auto deep sleep: "
- "already enabled\n");
- }
- return 0;
- } else {
- if (priv->is_auto_deep_sleep_enabled) {
- lbs_exit_auto_deep_sleep(priv);
- /* Try to exit deep sleep if auto */
- /*deep sleep disabled */
- ret = lbs_set_deep_sleep(priv, 0);
- }
- if (vwrq->value == 0)
- ret = lbs_set_deep_sleep(priv, 1);
- else if (vwrq->value == -1000)
- ret = lbs_set_deep_sleep(priv, 0);
- return ret;
- }
- }
-
- if (priv->psmode != LBS802_11POWERMODECAM) {
- return 0;
- }
-
- priv->psmode = LBS802_11POWERMODEMAX_PSP;
-
- if (priv->connect_status == LBS_CONNECTED) {
- lbs_ps_sleep(priv, CMD_OPTION_WAITFORRSP);
- }
-
- lbs_deb_leave(LBS_DEB_WEXT);
-
- return 0;
-}
-
-static int lbs_get_power(struct net_device *dev, struct iw_request_info *info,
- struct iw_param *vwrq, char *extra)
-{
- struct lbs_private *priv = dev->ml_priv;
-
- lbs_deb_enter(LBS_DEB_WEXT);
-
- vwrq->value = 0;
- vwrq->flags = 0;
- vwrq->disabled = priv->psmode == LBS802_11POWERMODECAM
- || priv->connect_status == LBS_DISCONNECTED;
-
- lbs_deb_leave(LBS_DEB_WEXT);
- return 0;
-}
-
-static struct iw_statistics *lbs_get_wireless_stats(struct net_device *dev)
-{
- enum {
- POOR = 30,
- FAIR = 60,
- GOOD = 80,
- VERY_GOOD = 90,
- EXCELLENT = 95,
- PERFECT = 100
- };
- struct lbs_private *priv = dev->ml_priv;
- u32 rssi_qual;
- u32 tx_qual;
- u32 quality = 0;
- int ret, stats_valid = 0;
- u8 rssi;
- u32 tx_retries;
- struct cmd_ds_802_11_get_log log;
-
- lbs_deb_enter(LBS_DEB_WEXT);
-
- priv->wstats.status = priv->mode;
-
- /* If we're not associated, all quality values are meaningless */
- if ((priv->connect_status != LBS_CONNECTED) &&
- !lbs_mesh_connected(priv))
- goto out;
-
- /* Quality by RSSI */
- priv->wstats.qual.level =
- CAL_RSSI(priv->SNR[TYPE_BEACON][TYPE_NOAVG],
- priv->NF[TYPE_BEACON][TYPE_NOAVG]);
-
- if (priv->NF[TYPE_BEACON][TYPE_NOAVG] == 0) {
- priv->wstats.qual.noise = MRVDRV_NF_DEFAULT_SCAN_VALUE;
- } else {
- priv->wstats.qual.noise =
- CAL_NF(priv->NF[TYPE_BEACON][TYPE_NOAVG]);
- }
-
- lbs_deb_wext("signal level %#x\n", priv->wstats.qual.level);
- lbs_deb_wext("noise %#x\n", priv->wstats.qual.noise);
-
- rssi = priv->wstats.qual.level - priv->wstats.qual.noise;
- if (rssi < 15)
- rssi_qual = rssi * POOR / 10;
- else if (rssi < 20)
- rssi_qual = (rssi - 15) * (FAIR - POOR) / 5 + POOR;
- else if (rssi < 30)
- rssi_qual = (rssi - 20) * (GOOD - FAIR) / 5 + FAIR;
- else if (rssi < 40)
- rssi_qual = (rssi - 30) * (VERY_GOOD - GOOD) /
- 10 + GOOD;
- else
- rssi_qual = (rssi - 40) * (PERFECT - VERY_GOOD) /
- 10 + VERY_GOOD;
- quality = rssi_qual;
-
- /* Quality by TX errors */
- priv->wstats.discard.retries = dev->stats.tx_errors;
-
- memset(&log, 0, sizeof(log));
- log.hdr.size = cpu_to_le16(sizeof(log));
- ret = lbs_cmd_with_response(priv, CMD_802_11_GET_LOG, &log);
- if (ret)
- goto out;
-
- tx_retries = le32_to_cpu(log.retry);
-
- if (tx_retries > 75)
- tx_qual = (90 - tx_retries) * POOR / 15;
- else if (tx_retries > 70)
- tx_qual = (75 - tx_retries) * (FAIR - POOR) / 5 + POOR;
- else if (tx_retries > 65)
- tx_qual = (70 - tx_retries) * (GOOD - FAIR) / 5 + FAIR;
- else if (tx_retries > 50)
- tx_qual = (65 - tx_retries) * (VERY_GOOD - GOOD) /
- 15 + GOOD;
- else
- tx_qual = (50 - tx_retries) *
- (PERFECT - VERY_GOOD) / 50 + VERY_GOOD;
- quality = min(quality, tx_qual);
-
- priv->wstats.discard.code = le32_to_cpu(log.wepundecryptable);
- priv->wstats.discard.retries = tx_retries;
- priv->wstats.discard.misc = le32_to_cpu(log.ackfailure);
-
- /* Calculate quality */
- priv->wstats.qual.qual = min_t(u8, quality, 100);
- priv->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
- stats_valid = 1;
-
- /* update stats asynchronously for future calls */
- ret = lbs_prepare_and_send_command(priv, CMD_802_11_RSSI, 0,
- 0, 0, NULL);
- if (ret)
- lbs_pr_err("RSSI command failed\n");
-out:
- if (!stats_valid) {
- priv->wstats.miss.beacon = 0;
- priv->wstats.discard.retries = 0;
- priv->wstats.qual.qual = 0;
- priv->wstats.qual.level = 0;
- priv->wstats.qual.noise = 0;
- priv->wstats.qual.updated = IW_QUAL_ALL_UPDATED;
- priv->wstats.qual.updated |= IW_QUAL_NOISE_INVALID |
- IW_QUAL_QUAL_INVALID | IW_QUAL_LEVEL_INVALID;
- }
-
- lbs_deb_leave(LBS_DEB_WEXT);
- return &priv->wstats;
-
-
-}
-
-static int lbs_set_freq(struct net_device *dev, struct iw_request_info *info,
- struct iw_freq *fwrq, char *extra)
-{
- int ret = -EINVAL;
- struct lbs_private *priv = dev->ml_priv;
- struct chan_freq_power *cfp;
- struct assoc_request * assoc_req;
-
- lbs_deb_enter(LBS_DEB_WEXT);
-
- mutex_lock(&priv->lock);
- assoc_req = lbs_get_association_request(priv);
- if (!assoc_req) {
- ret = -ENOMEM;
- goto out;
- }
-
- /* If setting by frequency, convert to a channel */
- if (fwrq->e == 1) {
- long f = fwrq->m / 100000;
-
- cfp = find_cfp_by_band_and_freq(priv, 0, f);
- if (!cfp) {
- lbs_deb_wext("invalid freq %ld\n", f);
- goto out;
- }
-
- fwrq->e = 0;
- fwrq->m = (int) cfp->channel;
- }
-
- /* Setting by channel number */
- if (fwrq->m > 1000 || fwrq->e > 0) {
- goto out;
- }
-
- cfp = lbs_find_cfp_by_band_and_channel(priv, 0, fwrq->m);
- if (!cfp) {
- goto out;
- }
-
- assoc_req->channel = fwrq->m;
- ret = 0;
-
-out:
- if (ret == 0) {
- set_bit(ASSOC_FLAG_CHANNEL, &assoc_req->flags);
- lbs_postpone_association_work(priv);
- } else {
- lbs_cancel_association_work(priv);
- }
- mutex_unlock(&priv->lock);
-
- lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
- return ret;
-}
-
-#ifdef CONFIG_LIBERTAS_MESH
-static int lbs_mesh_set_freq(struct net_device *dev,
- struct iw_request_info *info,
- struct iw_freq *fwrq, char *extra)
-{
- struct lbs_private *priv = dev->ml_priv;
- struct chan_freq_power *cfp;
- int ret = -EINVAL;
-
- lbs_deb_enter(LBS_DEB_WEXT);
-
- /* If setting by frequency, convert to a channel */
- if (fwrq->e == 1) {
- long f = fwrq->m / 100000;
-
- cfp = find_cfp_by_band_and_freq(priv, 0, f);
- if (!cfp) {
- lbs_deb_wext("invalid freq %ld\n", f);
- goto out;
- }
-
- fwrq->e = 0;
- fwrq->m = (int) cfp->channel;
- }
-
- /* Setting by channel number */
- if (fwrq->m > 1000 || fwrq->e > 0) {
- goto out;
- }
-
- cfp = lbs_find_cfp_by_band_and_channel(priv, 0, fwrq->m);
- if (!cfp) {
- goto out;
- }
-
- if (fwrq->m != priv->channel) {
- lbs_deb_wext("mesh channel change forces eth disconnect\n");
- if (priv->mode == IW_MODE_INFRA)
- lbs_cmd_80211_deauthenticate(priv,
- priv->curbssparams.bssid,
- WLAN_REASON_DEAUTH_LEAVING);
- else if (priv->mode == IW_MODE_ADHOC)
- lbs_adhoc_stop(priv);
- }
- lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START, fwrq->m);
- lbs_update_channel(priv);
- ret = 0;
-
-out:
- lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
- return ret;
-}
-#endif
-
-static int lbs_set_rate(struct net_device *dev, struct iw_request_info *info,
- struct iw_param *vwrq, char *extra)
-{
- struct lbs_private *priv = dev->ml_priv;
- u8 new_rate = 0;
- int ret = -EINVAL;
- u8 rates[MAX_RATES + 1];
-
- lbs_deb_enter(LBS_DEB_WEXT);
-
- lbs_deb_wext("vwrq->value %d\n", vwrq->value);
- lbs_deb_wext("vwrq->fixed %d\n", vwrq->fixed);
-
- if (vwrq->fixed && vwrq->value == -1)
- goto out;
-
- /* Auto rate? */
- priv->enablehwauto = !vwrq->fixed;
-
- if (vwrq->value == -1)
- priv->cur_rate = 0;
- else {
- if (vwrq->value % 100000)
- goto out;
-
- new_rate = vwrq->value / 500000;
- priv->cur_rate = new_rate;
- /* the rest is only needed for lbs_set_data_rate() */
- memset(rates, 0, sizeof(rates));
- copy_active_data_rates(priv, rates);
- if (!memchr(rates, new_rate, sizeof(rates))) {
- lbs_pr_alert("fixed data rate 0x%X out of range\n",
- new_rate);
- goto out;
- }
- if (priv->fwrelease < 0x09000000) {
- ret = lbs_set_power_adapt_cfg(priv, 0,
- POW_ADAPT_DEFAULT_P0,
- POW_ADAPT_DEFAULT_P1,
- POW_ADAPT_DEFAULT_P2);
- if (ret)
- goto out;
- }
- ret = lbs_set_tpc_cfg(priv, 0, TPC_DEFAULT_P0, TPC_DEFAULT_P1,
- TPC_DEFAULT_P2, 1);
- if (ret)
- goto out;
- }
-
- /* Try the newer command first (Firmware Spec 5.1 and above) */
- ret = lbs_cmd_802_11_rate_adapt_rateset(priv, CMD_ACT_SET);
-
- /* Fallback to older version */
- if (ret)
- ret = lbs_set_data_rate(priv, new_rate);
-
-out:
- lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
- return ret;
-}
-
-static int lbs_get_rate(struct net_device *dev, struct iw_request_info *info,
- struct iw_param *vwrq, char *extra)
-{
- struct lbs_private *priv = dev->ml_priv;
-
- lbs_deb_enter(LBS_DEB_WEXT);
-
- if (priv->connect_status == LBS_CONNECTED) {
- vwrq->value = priv->cur_rate * 500000;
-
- if (priv->enablehwauto)
- vwrq->fixed = 0;
- else
- vwrq->fixed = 1;
-
- } else {
- vwrq->fixed = 0;
- vwrq->value = 0;
- }
-
- lbs_deb_leave(LBS_DEB_WEXT);
- return 0;
-}
-
-static int lbs_set_mode(struct net_device *dev,
- struct iw_request_info *info, u32 * uwrq, char *extra)
-{
- int ret = 0;
- struct lbs_private *priv = dev->ml_priv;
- struct assoc_request * assoc_req;
-
- lbs_deb_enter(LBS_DEB_WEXT);
-
- if ( (*uwrq != IW_MODE_ADHOC)
- && (*uwrq != IW_MODE_INFRA)
- && (*uwrq != IW_MODE_AUTO)) {
- lbs_deb_wext("Invalid mode: 0x%x\n", *uwrq);
- ret = -EINVAL;
- goto out;
- }
-
- mutex_lock(&priv->lock);
- assoc_req = lbs_get_association_request(priv);
- if (!assoc_req) {
- ret = -ENOMEM;
- lbs_cancel_association_work(priv);
- } else {
- assoc_req->mode = *uwrq;
- set_bit(ASSOC_FLAG_MODE, &assoc_req->flags);
- lbs_postpone_association_work(priv);
- lbs_deb_wext("Switching to mode: 0x%x\n", *uwrq);
- }
- mutex_unlock(&priv->lock);
-
-out:
- lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
- return ret;
-}
-
-
-/**
- * @brief Get Encryption key
- *
- * @param dev A pointer to net_device structure
- * @param info A pointer to iw_request_info structure
- * @param vwrq A pointer to iw_param structure
- * @param extra A pointer to extra data buf
- * @return 0 --success, otherwise fail
- */
-static int lbs_get_encode(struct net_device *dev,
- struct iw_request_info *info,
- struct iw_point *dwrq, u8 * extra)
-{
- struct lbs_private *priv = dev->ml_priv;
- int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
-
- lbs_deb_enter(LBS_DEB_WEXT);
-
- lbs_deb_wext("flags 0x%x, index %d, length %d, wep_tx_keyidx %d\n",
- dwrq->flags, index, dwrq->length, priv->wep_tx_keyidx);
-
- dwrq->flags = 0;
-
- /* Authentication method */
- switch (priv->secinfo.auth_mode) {
- case IW_AUTH_ALG_OPEN_SYSTEM:
- dwrq->flags = IW_ENCODE_OPEN;
- break;
-
- case IW_AUTH_ALG_SHARED_KEY:
- case IW_AUTH_ALG_LEAP:
- dwrq->flags = IW_ENCODE_RESTRICTED;
- break;
- default:
- dwrq->flags = IW_ENCODE_DISABLED | IW_ENCODE_OPEN;
- break;
- }
-
- memset(extra, 0, 16);
-
- mutex_lock(&priv->lock);
-
- /* Default to returning current transmit key */
- if (index < 0)
- index = priv->wep_tx_keyidx;
-
- if ((priv->wep_keys[index].len) && priv->secinfo.wep_enabled) {
- memcpy(extra, priv->wep_keys[index].key,
- priv->wep_keys[index].len);
- dwrq->length = priv->wep_keys[index].len;
-
- dwrq->flags |= (index + 1);
- /* Return WEP enabled */
- dwrq->flags &= ~IW_ENCODE_DISABLED;
- } else if ((priv->secinfo.WPAenabled)
- || (priv->secinfo.WPA2enabled)) {
- /* return WPA enabled */
- dwrq->flags &= ~IW_ENCODE_DISABLED;
- dwrq->flags |= IW_ENCODE_NOKEY;
- } else {
- dwrq->flags |= IW_ENCODE_DISABLED;
- }
-
- mutex_unlock(&priv->lock);
-
- lbs_deb_wext("key: %02x:%02x:%02x:%02x:%02x:%02x, keylen %d\n",
- extra[0], extra[1], extra[2],
- extra[3], extra[4], extra[5], dwrq->length);
-
- lbs_deb_wext("return flags 0x%x\n", dwrq->flags);
-
- lbs_deb_leave(LBS_DEB_WEXT);
- return 0;
-}
-
-/**
- * @brief Set Encryption key (internal)
- *
- * @param priv A pointer to private card structure
- * @param key_material A pointer to key material
- * @param key_length length of key material
- * @param index key index to set
- * @param set_tx_key Force set TX key (1 = yes, 0 = no)
- * @return 0 --success, otherwise fail
- */
-static int lbs_set_wep_key(struct assoc_request *assoc_req,
- const char *key_material,
- u16 key_length,
- u16 index,
- int set_tx_key)
-{
- int ret = 0;
- struct enc_key *pkey;
-
- lbs_deb_enter(LBS_DEB_WEXT);
-
- /* Paranoid validation of key index */
- if (index > 3) {
- ret = -EINVAL;
- goto out;
- }
-
- /* validate max key length */
- if (key_length > KEY_LEN_WEP_104) {
- ret = -EINVAL;
- goto out;
- }
-
- pkey = &assoc_req->wep_keys[index];
-
- if (key_length > 0) {
- memset(pkey, 0, sizeof(struct enc_key));
- pkey->type = KEY_TYPE_ID_WEP;
-
- /* Standardize the key length */
- pkey->len = (key_length > KEY_LEN_WEP_40) ?
- KEY_LEN_WEP_104 : KEY_LEN_WEP_40;
- memcpy(pkey->key, key_material, key_length);
- }
-
- if (set_tx_key) {
- /* Ensure the chosen key is valid */
- if (!pkey->len) {
- lbs_deb_wext("key not set, so cannot enable it\n");
- ret = -EINVAL;
- goto out;
- }
- assoc_req->wep_tx_keyidx = index;
- }
-
- assoc_req->secinfo.wep_enabled = 1;
-
-out:
- lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
- return ret;
-}
-
-static int validate_key_index(u16 def_index, u16 raw_index,
- u16 *out_index, u16 *is_default)
-{
- if (!out_index || !is_default)
- return -EINVAL;
-
- /* Verify index if present, otherwise use default TX key index */
- if (raw_index > 0) {
- if (raw_index > 4)
- return -EINVAL;
- *out_index = raw_index - 1;
- } else {
- *out_index = def_index;
- *is_default = 1;
- }
- return 0;
-}
-
-static void disable_wep(struct assoc_request *assoc_req)
-{
- int i;
-
- lbs_deb_enter(LBS_DEB_WEXT);
-
- /* Set Open System auth mode */
- assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
-
- /* Clear WEP keys and mark WEP as disabled */
- assoc_req->secinfo.wep_enabled = 0;
- for (i = 0; i < 4; i++)
- assoc_req->wep_keys[i].len = 0;
-
- set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
- set_bit(ASSOC_FLAG_WEP_KEYS, &assoc_req->flags);
-
- lbs_deb_leave(LBS_DEB_WEXT);
-}
-
-static void disable_wpa(struct assoc_request *assoc_req)
-{
- lbs_deb_enter(LBS_DEB_WEXT);
-
- memset(&assoc_req->wpa_mcast_key, 0, sizeof (struct enc_key));
- assoc_req->wpa_mcast_key.flags = KEY_INFO_WPA_MCAST;
- set_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags);
-
- memset(&assoc_req->wpa_unicast_key, 0, sizeof (struct enc_key));
- assoc_req->wpa_unicast_key.flags = KEY_INFO_WPA_UNICAST;
- set_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags);
-
- assoc_req->secinfo.WPAenabled = 0;
- assoc_req->secinfo.WPA2enabled = 0;
- set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
-
- lbs_deb_leave(LBS_DEB_WEXT);
-}
-
-/**
- * @brief Set Encryption key
- *
- * @param dev A pointer to net_device structure
- * @param info A pointer to iw_request_info structure
- * @param vwrq A pointer to iw_param structure
- * @param extra A pointer to extra data buf
- * @return 0 --success, otherwise fail
- */
-static int lbs_set_encode(struct net_device *dev,
- struct iw_request_info *info,
- struct iw_point *dwrq, char *extra)
-{
- int ret = 0;
- struct lbs_private *priv = dev->ml_priv;
- struct assoc_request * assoc_req;
- u16 is_default = 0, index = 0, set_tx_key = 0;
-
- lbs_deb_enter(LBS_DEB_WEXT);
-
- mutex_lock(&priv->lock);
- assoc_req = lbs_get_association_request(priv);
- if (!assoc_req) {
- ret = -ENOMEM;
- goto out;
- }
-
- if (dwrq->flags & IW_ENCODE_DISABLED) {
- disable_wep (assoc_req);
- disable_wpa (assoc_req);
- goto out;
- }
-
- ret = validate_key_index(assoc_req->wep_tx_keyidx,
- (dwrq->flags & IW_ENCODE_INDEX),
- &index, &is_default);
- if (ret) {
- ret = -EINVAL;
- goto out;
- }
-
- /* If WEP isn't enabled, or if there is no key data but a valid
- * index, set the TX key.
- */
- if (!assoc_req->secinfo.wep_enabled || (dwrq->length == 0 && !is_default))
- set_tx_key = 1;
-
- ret = lbs_set_wep_key(assoc_req, extra, dwrq->length, index, set_tx_key);
- if (ret)
- goto out;
-
- if (dwrq->length)
- set_bit(ASSOC_FLAG_WEP_KEYS, &assoc_req->flags);
- if (set_tx_key)
- set_bit(ASSOC_FLAG_WEP_TX_KEYIDX, &assoc_req->flags);
-
- if (dwrq->flags & IW_ENCODE_RESTRICTED) {
- assoc_req->secinfo.auth_mode = IW_AUTH_ALG_SHARED_KEY;
- } else if (dwrq->flags & IW_ENCODE_OPEN) {
- assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
- }
-
-out:
- if (ret == 0) {
- set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
- lbs_postpone_association_work(priv);
- } else {
- lbs_cancel_association_work(priv);
- }
- mutex_unlock(&priv->lock);
-
- lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
- return ret;
-}
-
-/**
- * @brief Get Extended Encryption key (WPA/802.1x and WEP)
- *
- * @param dev A pointer to net_device structure
- * @param info A pointer to iw_request_info structure
- * @param vwrq A pointer to iw_param structure
- * @param extra A pointer to extra data buf
- * @return 0 on success, otherwise failure
- */
-static int lbs_get_encodeext(struct net_device *dev,
- struct iw_request_info *info,
- struct iw_point *dwrq,
- char *extra)
-{
- int ret = -EINVAL;
- struct lbs_private *priv = dev->ml_priv;
- struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
- int index, max_key_len;
-
- lbs_deb_enter(LBS_DEB_WEXT);
-
- max_key_len = dwrq->length - sizeof(*ext);
- if (max_key_len < 0)
- goto out;
-
- index = dwrq->flags & IW_ENCODE_INDEX;
- if (index) {
- if (index < 1 || index > 4)
- goto out;
- index--;
- } else {
- index = priv->wep_tx_keyidx;
- }
-
- if (!(ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) &&
- ext->alg != IW_ENCODE_ALG_WEP) {
- if (index != 0 || priv->mode != IW_MODE_INFRA)
- goto out;
- }
-
- dwrq->flags = index + 1;
- memset(ext, 0, sizeof(*ext));
-
- if ( !priv->secinfo.wep_enabled
- && !priv->secinfo.WPAenabled
- && !priv->secinfo.WPA2enabled) {
- ext->alg = IW_ENCODE_ALG_NONE;
- ext->key_len = 0;
- dwrq->flags |= IW_ENCODE_DISABLED;
- } else {
- u8 *key = NULL;
-
- if ( priv->secinfo.wep_enabled
- && !priv->secinfo.WPAenabled
- && !priv->secinfo.WPA2enabled) {
- /* WEP */
- ext->alg = IW_ENCODE_ALG_WEP;
- ext->key_len = priv->wep_keys[index].len;
- key = &priv->wep_keys[index].key[0];
- } else if ( !priv->secinfo.wep_enabled
- && (priv->secinfo.WPAenabled ||
- priv->secinfo.WPA2enabled)) {
- /* WPA */
- struct enc_key * pkey = NULL;
-
- if ( priv->wpa_mcast_key.len
- && (priv->wpa_mcast_key.flags & KEY_INFO_WPA_ENABLED))
- pkey = &priv->wpa_mcast_key;
- else if ( priv->wpa_unicast_key.len
- && (priv->wpa_unicast_key.flags & KEY_INFO_WPA_ENABLED))
- pkey = &priv->wpa_unicast_key;
-
- if (pkey) {
- if (pkey->type == KEY_TYPE_ID_AES) {
- ext->alg = IW_ENCODE_ALG_CCMP;
- } else {
- ext->alg = IW_ENCODE_ALG_TKIP;
- }
- ext->key_len = pkey->len;
- key = &pkey->key[0];
- } else {
- ext->alg = IW_ENCODE_ALG_TKIP;
- ext->key_len = 0;
- }
- } else {
- goto out;
- }
-
- if (ext->key_len > max_key_len) {
- ret = -E2BIG;
- goto out;
- }
-
- if (ext->key_len)
- memcpy(ext->key, key, ext->key_len);
- else
- dwrq->flags |= IW_ENCODE_NOKEY;
- dwrq->flags |= IW_ENCODE_ENABLED;
- }
- ret = 0;
-
-out:
- lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
- return ret;
-}
-
-/**
- * @brief Set Encryption key Extended (WPA/802.1x and WEP)
- *
- * @param dev A pointer to net_device structure
- * @param info A pointer to iw_request_info structure
- * @param vwrq A pointer to iw_param structure
- * @param extra A pointer to extra data buf
- * @return 0 --success, otherwise fail
- */
-static int lbs_set_encodeext(struct net_device *dev,
- struct iw_request_info *info,
- struct iw_point *dwrq,
- char *extra)
-{
- int ret = 0;
- struct lbs_private *priv = dev->ml_priv;
- struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
- int alg = ext->alg;
- struct assoc_request * assoc_req;
-
- lbs_deb_enter(LBS_DEB_WEXT);
-
- mutex_lock(&priv->lock);
- assoc_req = lbs_get_association_request(priv);
- if (!assoc_req) {
- ret = -ENOMEM;
- goto out;
- }
-
- if ((alg == IW_ENCODE_ALG_NONE) || (dwrq->flags & IW_ENCODE_DISABLED)) {
- disable_wep (assoc_req);
- disable_wpa (assoc_req);
- } else if (alg == IW_ENCODE_ALG_WEP) {
- u16 is_default = 0, index, set_tx_key = 0;
-
- ret = validate_key_index(assoc_req->wep_tx_keyidx,
- (dwrq->flags & IW_ENCODE_INDEX),
- &index, &is_default);
- if (ret)
- goto out;
-
- /* If WEP isn't enabled, or if there is no key data but a valid
- * index, or if the set-TX-key flag was passed, set the TX key.
- */
- if ( !assoc_req->secinfo.wep_enabled
- || (dwrq->length == 0 && !is_default)
- || (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY))
- set_tx_key = 1;
-
- /* Copy key to driver */
- ret = lbs_set_wep_key(assoc_req, ext->key, ext->key_len, index,
- set_tx_key);
- if (ret)
- goto out;
-
- if (dwrq->flags & IW_ENCODE_RESTRICTED) {
- assoc_req->secinfo.auth_mode = IW_AUTH_ALG_SHARED_KEY;
- } else if (dwrq->flags & IW_ENCODE_OPEN) {
- assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
- }
-
- /* Mark the various WEP bits as modified */
- set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
- if (dwrq->length)
- set_bit(ASSOC_FLAG_WEP_KEYS, &assoc_req->flags);
- if (set_tx_key)
- set_bit(ASSOC_FLAG_WEP_TX_KEYIDX, &assoc_req->flags);
- } else if ((alg == IW_ENCODE_ALG_TKIP) || (alg == IW_ENCODE_ALG_CCMP)) {
- struct enc_key * pkey;
-
- /* validate key length */
- if (((alg == IW_ENCODE_ALG_TKIP)
- && (ext->key_len != KEY_LEN_WPA_TKIP))
- || ((alg == IW_ENCODE_ALG_CCMP)
- && (ext->key_len != KEY_LEN_WPA_AES))) {
- lbs_deb_wext("invalid size %d for key of alg "
- "type %d\n",
- ext->key_len,
- alg);
- ret = -EINVAL;
- goto out;
- }
-
- if (ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) {
- pkey = &assoc_req->wpa_mcast_key;
- set_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags);
- } else {
- pkey = &assoc_req->wpa_unicast_key;
- set_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags);
- }
-
- memset(pkey, 0, sizeof (struct enc_key));
- memcpy(pkey->key, ext->key, ext->key_len);
- pkey->len = ext->key_len;
- if (pkey->len)
- pkey->flags |= KEY_INFO_WPA_ENABLED;
-
- /* Do this after zeroing key structure */
- if (ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) {
- pkey->flags |= KEY_INFO_WPA_MCAST;
- } else {
- pkey->flags |= KEY_INFO_WPA_UNICAST;
- }
-
- if (alg == IW_ENCODE_ALG_TKIP) {
- pkey->type = KEY_TYPE_ID_TKIP;
- } else if (alg == IW_ENCODE_ALG_CCMP) {
- pkey->type = KEY_TYPE_ID_AES;
- }
-
- /* If WPA isn't enabled yet, do that now */
- if ( assoc_req->secinfo.WPAenabled == 0
- && assoc_req->secinfo.WPA2enabled == 0) {
- assoc_req->secinfo.WPAenabled = 1;
- assoc_req->secinfo.WPA2enabled = 1;
- set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
- }
-
- /* Only disable wep if necessary: can't waste time here. */
- if (priv->mac_control & CMD_ACT_MAC_WEP_ENABLE)
- disable_wep(assoc_req);
- }
-
-out:
- if (ret == 0) {
- /* 802.1x and WPA rekeying must happen as quickly as possible,
- * especially during the 4-way handshake; thus if in
- * infrastructure mode, and either (a) 802.1x is enabled or
- * (b) WPA is being used, set the key right away.
- */
- if (assoc_req->mode == IW_MODE_INFRA &&
- ((assoc_req->secinfo.key_mgmt & IW_AUTH_KEY_MGMT_802_1X) ||
- (assoc_req->secinfo.key_mgmt & IW_AUTH_KEY_MGMT_PSK) ||
- assoc_req->secinfo.WPAenabled ||
- assoc_req->secinfo.WPA2enabled)) {
- lbs_do_association_work(priv);
- } else
- lbs_postpone_association_work(priv);
- } else {
- lbs_cancel_association_work(priv);
- }
- mutex_unlock(&priv->lock);
-
- lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
- return ret;
-}
-
-
-static int lbs_set_genie(struct net_device *dev,
- struct iw_request_info *info,
- struct iw_point *dwrq,
- char *extra)
-{
- struct lbs_private *priv = dev->ml_priv;
- int ret = 0;
- struct assoc_request * assoc_req;
-
- lbs_deb_enter(LBS_DEB_WEXT);
-
- mutex_lock(&priv->lock);
- assoc_req = lbs_get_association_request(priv);
- if (!assoc_req) {
- ret = -ENOMEM;
- goto out;
- }
-
- if (dwrq->length > MAX_WPA_IE_LEN ||
- (dwrq->length && extra == NULL)) {
- ret = -EINVAL;
- goto out;
- }
-
- if (dwrq->length) {
- memcpy(&assoc_req->wpa_ie[0], extra, dwrq->length);
- assoc_req->wpa_ie_len = dwrq->length;
- } else {
- memset(&assoc_req->wpa_ie[0], 0, sizeof(priv->wpa_ie));
- assoc_req->wpa_ie_len = 0;
- }
-
-out:
- if (ret == 0) {
- set_bit(ASSOC_FLAG_WPA_IE, &assoc_req->flags);
- lbs_postpone_association_work(priv);
- } else {
- lbs_cancel_association_work(priv);
- }
- mutex_unlock(&priv->lock);
-
- lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
- return ret;
-}
-
-static int lbs_get_genie(struct net_device *dev,
- struct iw_request_info *info,
- struct iw_point *dwrq,
- char *extra)
-{
- int ret = 0;
- struct lbs_private *priv = dev->ml_priv;
-
- lbs_deb_enter(LBS_DEB_WEXT);
-
- if (priv->wpa_ie_len == 0) {
- dwrq->length = 0;
- goto out;
- }
-
- if (dwrq->length < priv->wpa_ie_len) {
- ret = -E2BIG;
- goto out;
- }
-
- dwrq->length = priv->wpa_ie_len;
- memcpy(extra, &priv->wpa_ie[0], priv->wpa_ie_len);
-
-out:
- lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
- return ret;
-}
-
-
-static int lbs_set_auth(struct net_device *dev,
- struct iw_request_info *info,
- struct iw_param *dwrq,
- char *extra)
-{
- struct lbs_private *priv = dev->ml_priv;
- struct assoc_request * assoc_req;
- int ret = 0;
- int updated = 0;
-
- lbs_deb_enter(LBS_DEB_WEXT);
-
- mutex_lock(&priv->lock);
- assoc_req = lbs_get_association_request(priv);
- if (!assoc_req) {
- ret = -ENOMEM;
- goto out;
- }
-
- switch (dwrq->flags & IW_AUTH_INDEX) {
- case IW_AUTH_PRIVACY_INVOKED:
- case IW_AUTH_RX_UNENCRYPTED_EAPOL:
- case IW_AUTH_TKIP_COUNTERMEASURES:
- case IW_AUTH_CIPHER_PAIRWISE:
- case IW_AUTH_CIPHER_GROUP:
- case IW_AUTH_DROP_UNENCRYPTED:
- /*
- * libertas does not use these parameters
- */
- break;
-
- case IW_AUTH_KEY_MGMT:
- assoc_req->secinfo.key_mgmt = dwrq->value;
- updated = 1;
- break;
-
- case IW_AUTH_WPA_VERSION:
- if (dwrq->value & IW_AUTH_WPA_VERSION_DISABLED) {
- assoc_req->secinfo.WPAenabled = 0;
- assoc_req->secinfo.WPA2enabled = 0;
- disable_wpa (assoc_req);
- }
- if (dwrq->value & IW_AUTH_WPA_VERSION_WPA) {
- assoc_req->secinfo.WPAenabled = 1;
- assoc_req->secinfo.wep_enabled = 0;
- assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
- }
- if (dwrq->value & IW_AUTH_WPA_VERSION_WPA2) {
- assoc_req->secinfo.WPA2enabled = 1;
- assoc_req->secinfo.wep_enabled = 0;
- assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
- }
- updated = 1;
- break;
-
- case IW_AUTH_80211_AUTH_ALG:
- if (dwrq->value & IW_AUTH_ALG_SHARED_KEY) {
- assoc_req->secinfo.auth_mode = IW_AUTH_ALG_SHARED_KEY;
- } else if (dwrq->value & IW_AUTH_ALG_OPEN_SYSTEM) {
- assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
- } else if (dwrq->value & IW_AUTH_ALG_LEAP) {
- assoc_req->secinfo.auth_mode = IW_AUTH_ALG_LEAP;
- } else {
- ret = -EINVAL;
- }
- updated = 1;
- break;
-
- case IW_AUTH_WPA_ENABLED:
- if (dwrq->value) {
- if (!assoc_req->secinfo.WPAenabled &&
- !assoc_req->secinfo.WPA2enabled) {
- assoc_req->secinfo.WPAenabled = 1;
- assoc_req->secinfo.WPA2enabled = 1;
- assoc_req->secinfo.wep_enabled = 0;
- assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
- }
- } else {
- assoc_req->secinfo.WPAenabled = 0;
- assoc_req->secinfo.WPA2enabled = 0;
- disable_wpa (assoc_req);
- }
- updated = 1;
- break;
-
- default:
- ret = -EOPNOTSUPP;
- break;
- }
-
-out:
- if (ret == 0) {
- if (updated)
- set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
- lbs_postpone_association_work(priv);
- } else if (ret != -EOPNOTSUPP) {
- lbs_cancel_association_work(priv);
- }
- mutex_unlock(&priv->lock);
-
- lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
- return ret;
-}
-
-static int lbs_get_auth(struct net_device *dev,
- struct iw_request_info *info,
- struct iw_param *dwrq,
- char *extra)
-{
- int ret = 0;
- struct lbs_private *priv = dev->ml_priv;
-
- lbs_deb_enter(LBS_DEB_WEXT);
-
- switch (dwrq->flags & IW_AUTH_INDEX) {
- case IW_AUTH_KEY_MGMT:
- dwrq->value = priv->secinfo.key_mgmt;
- break;
-
- case IW_AUTH_WPA_VERSION:
- dwrq->value = 0;
- if (priv->secinfo.WPAenabled)
- dwrq->value |= IW_AUTH_WPA_VERSION_WPA;
- if (priv->secinfo.WPA2enabled)
- dwrq->value |= IW_AUTH_WPA_VERSION_WPA2;
- if (!dwrq->value)
- dwrq->value |= IW_AUTH_WPA_VERSION_DISABLED;
- break;
-
- case IW_AUTH_80211_AUTH_ALG:
- dwrq->value = priv->secinfo.auth_mode;
- break;
-
- case IW_AUTH_WPA_ENABLED:
- if (priv->secinfo.WPAenabled && priv->secinfo.WPA2enabled)
- dwrq->value = 1;
- break;
-
- default:
- ret = -EOPNOTSUPP;
- }
-
- lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
- return ret;
-}
-
-
-static int lbs_set_txpow(struct net_device *dev, struct iw_request_info *info,
- struct iw_param *vwrq, char *extra)
-{
- int ret = 0;
- struct lbs_private *priv = dev->ml_priv;
- s16 dbm = (s16) vwrq->value;
-
- lbs_deb_enter(LBS_DEB_WEXT);
-
- if (vwrq->disabled) {
- lbs_set_radio(priv, RADIO_PREAMBLE_AUTO, 0);
- goto out;
- }
-
- if (vwrq->fixed == 0) {
- /* User requests automatic tx power control, however there are
- * many auto tx settings. For now use firmware defaults until
- * we come up with a good way to expose these to the user. */
- if (priv->fwrelease < 0x09000000) {
- ret = lbs_set_power_adapt_cfg(priv, 1,
- POW_ADAPT_DEFAULT_P0,
- POW_ADAPT_DEFAULT_P1,
- POW_ADAPT_DEFAULT_P2);
- if (ret)
- goto out;
- }
- ret = lbs_set_tpc_cfg(priv, 0, TPC_DEFAULT_P0, TPC_DEFAULT_P1,
- TPC_DEFAULT_P2, 1);
- if (ret)
- goto out;
- dbm = priv->txpower_max;
- } else {
- /* Userspace check in iwrange if it should use dBm or mW,
- * therefore this should never happen... Jean II */
- if ((vwrq->flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM) {
- ret = -EOPNOTSUPP;
- goto out;
- }
-
- /* Validate requested power level against firmware allowed
- * levels */
- if (priv->txpower_min && (dbm < priv->txpower_min)) {
- ret = -EINVAL;
- goto out;
- }
-
- if (priv->txpower_max && (dbm > priv->txpower_max)) {
- ret = -EINVAL;
- goto out;
- }
- if (priv->fwrelease < 0x09000000) {
- ret = lbs_set_power_adapt_cfg(priv, 0,
- POW_ADAPT_DEFAULT_P0,
- POW_ADAPT_DEFAULT_P1,
- POW_ADAPT_DEFAULT_P2);
- if (ret)
- goto out;
- }
- ret = lbs_set_tpc_cfg(priv, 0, TPC_DEFAULT_P0, TPC_DEFAULT_P1,
- TPC_DEFAULT_P2, 1);
- if (ret)
- goto out;
- }
-
- /* If the radio was off, turn it on */
- if (!priv->radio_on) {
- ret = lbs_set_radio(priv, RADIO_PREAMBLE_AUTO, 1);
- if (ret)
- goto out;
- }
-
- lbs_deb_wext("txpower set %d dBm\n", dbm);
-
- ret = lbs_set_tx_power(priv, dbm);
-
-out:
- lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
- return ret;
-}
-
-static int lbs_get_essid(struct net_device *dev, struct iw_request_info *info,
- struct iw_point *dwrq, char *extra)
-{
- struct lbs_private *priv = dev->ml_priv;
-
- lbs_deb_enter(LBS_DEB_WEXT);
-
- /*
- * Note : if dwrq->flags != 0, we should get the relevant SSID from
- * the SSID list...
- */
-
- /*
- * Get the current SSID
- */
- if (priv->connect_status == LBS_CONNECTED) {
- memcpy(extra, priv->curbssparams.ssid,
- priv->curbssparams.ssid_len);
- extra[priv->curbssparams.ssid_len] = '\0';
- } else {
- memset(extra, 0, 32);
- extra[priv->curbssparams.ssid_len] = '\0';
- }
- /*
- * If none, we may want to get the one that was set
- */
-
- dwrq->length = priv->curbssparams.ssid_len;
-
- dwrq->flags = 1; /* active */
-
- lbs_deb_leave(LBS_DEB_WEXT);
- return 0;
-}
-
-static int lbs_set_essid(struct net_device *dev, struct iw_request_info *info,
- struct iw_point *dwrq, char *extra)
-{
- struct lbs_private *priv = dev->ml_priv;
- int ret = 0;
- u8 ssid[IEEE80211_MAX_SSID_LEN];
- u8 ssid_len = 0;
- struct assoc_request * assoc_req;
- int in_ssid_len = dwrq->length;
- DECLARE_SSID_BUF(ssid_buf);
-
- lbs_deb_enter(LBS_DEB_WEXT);
-
- if (!priv->radio_on) {
- ret = -EINVAL;
- goto out;
- }
-
- /* Check the size of the string */
- if (in_ssid_len > IEEE80211_MAX_SSID_LEN) {
- ret = -E2BIG;
- goto out;
- }
-
- memset(&ssid, 0, sizeof(ssid));
-
- if (!dwrq->flags || !in_ssid_len) {
- /* "any" SSID requested; leave SSID blank */
- } else {
- /* Specific SSID requested */
- memcpy(&ssid, extra, in_ssid_len);
- ssid_len = in_ssid_len;
- }
-
- if (!ssid_len) {
- lbs_deb_wext("requested any SSID\n");
- } else {
- lbs_deb_wext("requested SSID '%s'\n",
- print_ssid(ssid_buf, ssid, ssid_len));
- }
-
-out:
- mutex_lock(&priv->lock);
- if (ret == 0) {
- /* Get or create the current association request */
- assoc_req = lbs_get_association_request(priv);
- if (!assoc_req) {
- ret = -ENOMEM;
- } else {
- /* Copy the SSID to the association request */
- memcpy(&assoc_req->ssid, &ssid, IEEE80211_MAX_SSID_LEN);
- assoc_req->ssid_len = ssid_len;
- set_bit(ASSOC_FLAG_SSID, &assoc_req->flags);
- lbs_postpone_association_work(priv);
- }
- }
-
- /* Cancel the association request if there was an error */
- if (ret != 0) {
- lbs_cancel_association_work(priv);
- }
-
- mutex_unlock(&priv->lock);
-
- lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
- return ret;
-}
-
-#ifdef CONFIG_LIBERTAS_MESH
-static int lbs_mesh_get_essid(struct net_device *dev,
- struct iw_request_info *info,
- struct iw_point *dwrq, char *extra)
-{
- struct lbs_private *priv = dev->ml_priv;
-
- lbs_deb_enter(LBS_DEB_WEXT);
-
- memcpy(extra, priv->mesh_ssid, priv->mesh_ssid_len);
-
- dwrq->length = priv->mesh_ssid_len;
-
- dwrq->flags = 1; /* active */
-
- lbs_deb_leave(LBS_DEB_WEXT);
- return 0;
-}
-
-static int lbs_mesh_set_essid(struct net_device *dev,
- struct iw_request_info *info,
- struct iw_point *dwrq, char *extra)
-{
- struct lbs_private *priv = dev->ml_priv;
- int ret = 0;
-
- lbs_deb_enter(LBS_DEB_WEXT);
-
- if (!priv->radio_on) {
- ret = -EINVAL;
- goto out;
- }
-
- /* Check the size of the string */
- if (dwrq->length > IEEE80211_MAX_SSID_LEN) {
- ret = -E2BIG;
- goto out;
- }
-
- if (!dwrq->flags || !dwrq->length) {
- ret = -EINVAL;
- goto out;
- } else {
- /* Specific SSID requested */
- memcpy(priv->mesh_ssid, extra, dwrq->length);
- priv->mesh_ssid_len = dwrq->length;
- }
-
- lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START,
- priv->channel);
- out:
- lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
- return ret;
-}
-#endif
-
-/**
- * @brief Connect to the AP or Ad-hoc Network with specific bssid
- *
- * @param dev A pointer to net_device structure
- * @param info A pointer to iw_request_info structure
- * @param awrq A pointer to iw_param structure
- * @param extra A pointer to extra data buf
- * @return 0 --success, otherwise fail
- */
-static int lbs_set_wap(struct net_device *dev, struct iw_request_info *info,
- struct sockaddr *awrq, char *extra)
-{
- struct lbs_private *priv = dev->ml_priv;
- struct assoc_request * assoc_req;
- int ret = 0;
-
- lbs_deb_enter(LBS_DEB_WEXT);
-
- if (!priv->radio_on)
- return -EINVAL;
-
- if (awrq->sa_family != ARPHRD_ETHER)
- return -EINVAL;
-
- lbs_deb_wext("ASSOC: WAP: sa_data %pM\n", awrq->sa_data);
-
- mutex_lock(&priv->lock);
-
- /* Get or create the current association request */
- assoc_req = lbs_get_association_request(priv);
- if (!assoc_req) {
- lbs_cancel_association_work(priv);
- ret = -ENOMEM;
- } else {
- /* Copy the BSSID to the association request */
- memcpy(&assoc_req->bssid, awrq->sa_data, ETH_ALEN);
- set_bit(ASSOC_FLAG_BSSID, &assoc_req->flags);
- lbs_postpone_association_work(priv);
- }
-
- mutex_unlock(&priv->lock);
-
- return ret;
-}
-
-/*
- * iwconfig settable callbacks
- */
-static const iw_handler lbs_handler[] = {
- (iw_handler) NULL, /* SIOCSIWCOMMIT */
- (iw_handler) lbs_get_name, /* SIOCGIWNAME */
- (iw_handler) NULL, /* SIOCSIWNWID */
- (iw_handler) NULL, /* SIOCGIWNWID */
- (iw_handler) lbs_set_freq, /* SIOCSIWFREQ */
- (iw_handler) lbs_get_freq, /* SIOCGIWFREQ */
- (iw_handler) lbs_set_mode, /* SIOCSIWMODE */
- (iw_handler) lbs_get_mode, /* SIOCGIWMODE */
- (iw_handler) NULL, /* SIOCSIWSENS */
- (iw_handler) NULL, /* SIOCGIWSENS */
- (iw_handler) NULL, /* SIOCSIWRANGE */
- (iw_handler) lbs_get_range, /* SIOCGIWRANGE */
- (iw_handler) NULL, /* SIOCSIWPRIV */
- (iw_handler) NULL, /* SIOCGIWPRIV */
- (iw_handler) NULL, /* SIOCSIWSTATS */
- (iw_handler) NULL, /* SIOCGIWSTATS */
- iw_handler_set_spy, /* SIOCSIWSPY */
- iw_handler_get_spy, /* SIOCGIWSPY */
- iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
- iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
- (iw_handler) lbs_set_wap, /* SIOCSIWAP */
- (iw_handler) lbs_get_wap, /* SIOCGIWAP */
- (iw_handler) NULL, /* SIOCSIWMLME */
- (iw_handler) NULL, /* SIOCGIWAPLIST - deprecated */
- (iw_handler) lbs_set_scan, /* SIOCSIWSCAN */
- (iw_handler) lbs_get_scan, /* SIOCGIWSCAN */
- (iw_handler) lbs_set_essid, /* SIOCSIWESSID */
- (iw_handler) lbs_get_essid, /* SIOCGIWESSID */
- (iw_handler) lbs_set_nick, /* SIOCSIWNICKN */
- (iw_handler) lbs_get_nick, /* SIOCGIWNICKN */
- (iw_handler) NULL, /* -- hole -- */
- (iw_handler) NULL, /* -- hole -- */
- (iw_handler) lbs_set_rate, /* SIOCSIWRATE */
- (iw_handler) lbs_get_rate, /* SIOCGIWRATE */
- (iw_handler) lbs_set_rts, /* SIOCSIWRTS */
- (iw_handler) lbs_get_rts, /* SIOCGIWRTS */
- (iw_handler) lbs_set_frag, /* SIOCSIWFRAG */
- (iw_handler) lbs_get_frag, /* SIOCGIWFRAG */
- (iw_handler) lbs_set_txpow, /* SIOCSIWTXPOW */
- (iw_handler) lbs_get_txpow, /* SIOCGIWTXPOW */
- (iw_handler) lbs_set_retry, /* SIOCSIWRETRY */
- (iw_handler) lbs_get_retry, /* SIOCGIWRETRY */
- (iw_handler) lbs_set_encode, /* SIOCSIWENCODE */
- (iw_handler) lbs_get_encode, /* SIOCGIWENCODE */
- (iw_handler) lbs_set_power, /* SIOCSIWPOWER */
- (iw_handler) lbs_get_power, /* SIOCGIWPOWER */
- (iw_handler) NULL, /* -- hole -- */
- (iw_handler) NULL, /* -- hole -- */
- (iw_handler) lbs_set_genie, /* SIOCSIWGENIE */
- (iw_handler) lbs_get_genie, /* SIOCGIWGENIE */
- (iw_handler) lbs_set_auth, /* SIOCSIWAUTH */
- (iw_handler) lbs_get_auth, /* SIOCGIWAUTH */
- (iw_handler) lbs_set_encodeext,/* SIOCSIWENCODEEXT */
- (iw_handler) lbs_get_encodeext,/* SIOCGIWENCODEEXT */
- (iw_handler) NULL, /* SIOCSIWPMKSA */
-};
-struct iw_handler_def lbs_handler_def = {
- .num_standard = ARRAY_SIZE(lbs_handler),
- .standard = (iw_handler *) lbs_handler,
- .get_wireless_stats = lbs_get_wireless_stats,
-};
-
-#ifdef CONFIG_LIBERTAS_MESH
-static const iw_handler mesh_wlan_handler[] = {
- (iw_handler) NULL, /* SIOCSIWCOMMIT */
- (iw_handler) lbs_get_name, /* SIOCGIWNAME */
- (iw_handler) NULL, /* SIOCSIWNWID */
- (iw_handler) NULL, /* SIOCGIWNWID */
- (iw_handler) lbs_mesh_set_freq, /* SIOCSIWFREQ */
- (iw_handler) lbs_get_freq, /* SIOCGIWFREQ */
- (iw_handler) NULL, /* SIOCSIWMODE */
- (iw_handler) mesh_wlan_get_mode, /* SIOCGIWMODE */
- (iw_handler) NULL, /* SIOCSIWSENS */
- (iw_handler) NULL, /* SIOCGIWSENS */
- (iw_handler) NULL, /* SIOCSIWRANGE */
- (iw_handler) lbs_get_range, /* SIOCGIWRANGE */
- (iw_handler) NULL, /* SIOCSIWPRIV */
- (iw_handler) NULL, /* SIOCGIWPRIV */
- (iw_handler) NULL, /* SIOCSIWSTATS */
- (iw_handler) NULL, /* SIOCGIWSTATS */
- iw_handler_set_spy, /* SIOCSIWSPY */
- iw_handler_get_spy, /* SIOCGIWSPY */
- iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
- iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
- (iw_handler) NULL, /* SIOCSIWAP */
- (iw_handler) NULL, /* SIOCGIWAP */
- (iw_handler) NULL, /* SIOCSIWMLME */
- (iw_handler) NULL, /* SIOCGIWAPLIST - deprecated */
- (iw_handler) lbs_set_scan, /* SIOCSIWSCAN */
- (iw_handler) lbs_get_scan, /* SIOCGIWSCAN */
- (iw_handler) lbs_mesh_set_essid,/* SIOCSIWESSID */
- (iw_handler) lbs_mesh_get_essid,/* SIOCGIWESSID */
- (iw_handler) NULL, /* SIOCSIWNICKN */
- (iw_handler) mesh_get_nick, /* SIOCGIWNICKN */
- (iw_handler) NULL, /* -- hole -- */
- (iw_handler) NULL, /* -- hole -- */
- (iw_handler) lbs_set_rate, /* SIOCSIWRATE */
- (iw_handler) lbs_get_rate, /* SIOCGIWRATE */
- (iw_handler) lbs_set_rts, /* SIOCSIWRTS */
- (iw_handler) lbs_get_rts, /* SIOCGIWRTS */
- (iw_handler) lbs_set_frag, /* SIOCSIWFRAG */
- (iw_handler) lbs_get_frag, /* SIOCGIWFRAG */
- (iw_handler) lbs_set_txpow, /* SIOCSIWTXPOW */
- (iw_handler) lbs_get_txpow, /* SIOCGIWTXPOW */
- (iw_handler) lbs_set_retry, /* SIOCSIWRETRY */
- (iw_handler) lbs_get_retry, /* SIOCGIWRETRY */
- (iw_handler) lbs_set_encode, /* SIOCSIWENCODE */
- (iw_handler) lbs_get_encode, /* SIOCGIWENCODE */
- (iw_handler) lbs_set_power, /* SIOCSIWPOWER */
- (iw_handler) lbs_get_power, /* SIOCGIWPOWER */
- (iw_handler) NULL, /* -- hole -- */
- (iw_handler) NULL, /* -- hole -- */
- (iw_handler) lbs_set_genie, /* SIOCSIWGENIE */
- (iw_handler) lbs_get_genie, /* SIOCGIWGENIE */
- (iw_handler) lbs_set_auth, /* SIOCSIWAUTH */
- (iw_handler) lbs_get_auth, /* SIOCGIWAUTH */
- (iw_handler) lbs_set_encodeext,/* SIOCSIWENCODEEXT */
- (iw_handler) lbs_get_encodeext,/* SIOCGIWENCODEEXT */
- (iw_handler) NULL, /* SIOCSIWPMKSA */
-};
-
-struct iw_handler_def mesh_handler_def = {
- .num_standard = ARRAY_SIZE(mesh_wlan_handler),
- .standard = (iw_handler *) mesh_wlan_handler,
- .get_wireless_stats = lbs_get_wireless_stats,
-};
-#endif
@@ -1,3 +1,4 @@
+
/**
* This file contains declaration referring to
* functions defined in other source files
@@ -34,6 +35,8 @@ int lbs_start_card(struct lbs_private *p
void lbs_stop_card(struct lbs_private *priv);
void lbs_host_to_card_done(struct lbs_private *priv);
+int lbs_rtap_supported(struct lbs_private *priv);
+
int lbs_set_mac_address(struct net_device *dev, void *addr);
void lbs_set_multicast_list(struct net_device *dev);