diff mbox

[3/3] Libertas: Added 11d support using cfg80211

Message ID 1276533100.18884.11.camel@pe-lt028 (mailing list archive)
State Not Applicable, archived
Headers show

Commit Message

Kiran Divekar June 14, 2010, 4:31 p.m. UTC
None
diff mbox

Patch

diff --git a/drivers/net/wireless/libertas/cfg.c b/drivers/net/wireless/libertas/cfg.c
index e4b0409..e58f4dc 100644
--- a/drivers/net/wireless/libertas/cfg.c
+++ b/drivers/net/wireless/libertas/cfg.c
@@ -8,6 +8,7 @@ 
 
 #include <linux/slab.h>
 #include <linux/if_arp.h>
+#include <linux/ieee80211.h>
 #include <net/cfg80211.h>
 #include <asm/unaligned.h>
 
@@ -2042,6 +2043,7 @@  int lbs_cfg_register(struct lbs_private *priv)
 	 */
 	wdev->wiphy->cipher_suites = cipher_suites;
 	wdev->wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites);
+	wdev->wiphy->reg_notifier = lbs_reg_notifier;
 
 	ret = wiphy_register(wdev->wiphy);
 	if (ret < 0)
@@ -2061,6 +2063,114 @@  int lbs_cfg_register(struct lbs_private *priv)
 	return ret;
 }
 
+/**
+ *  @brief This function sets DOMAIN INFO to FW
+ *  @param priv       pointer to struct lbs_private
+ *  @return          0; -1
+*/
+static int lbs_11d_set_domain_info(struct lbs_private *priv)
+{
+	int ret;
+
+	ret = lbs_prepare_and_send_command(priv, CMD_802_11D_DOMAIN_INFO,
+			CMD_ACT_SET,
+			CMD_OPTION_WAITFORRSP, 0, NULL);
+	if (ret)
+		lbs_deb_11d("fail to dnld domain info\n");
+
+	return ret;
+}
+
+static void lbs_send_domain_info_cmd_fw(struct wiphy *wiphy,
+					struct regulatory_request *request)
+{
+	u8   no_of_triplet = 0;
+	u8   no_of_parsed_chan = 0;
+	u8   first_channel = 0, next_chan = 0, max_pwr = 0;
+	u8   i, flag = 0;
+	enum ieee80211_band band;
+	struct ieee80211_supported_band *sband;
+	struct ieee80211_channel *ch;
+	struct lbs_private *priv = wiphy_priv(wiphy);
+	struct lbs_802_11d_domain_reg *domain_info = &priv->domain_reg;
+	int ret = 0;
+
+	lbs_deb_enter(LBS_DEB_CFG80211);
+
+	/* Set country code */
+	domain_info->country_code[0] = request->alpha2[0];
+	domain_info->country_code[1] = request->alpha2[1];
+	domain_info->country_code[2] = ' ';
+
+	for (band = 0; band < IEEE80211_NUM_BANDS ; band++) {
+
+		if (!wiphy->bands[band])
+			continue;
+
+		sband = wiphy->bands[band];
+
+		for (i = 0; i < sband->n_channels ; i++) {
+			ch = &sband->channels[i];
+			if (ch->flags & IEEE80211_CHAN_DISABLED)
+				continue;
+
+			if (!flag) {
+				flag = 1;
+				next_chan = first_channel = (u32) ch->hw_value;
+				max_pwr = ch->max_power;
+				no_of_parsed_chan = 1;
+				continue;
+			}
+
+			if (ch->hw_value == next_chan + 1 &&
+					ch->max_power == max_pwr) {
+				next_chan++;
+				no_of_parsed_chan++;
+			} else {
+				domain_info->triplet[no_of_triplet]
+					.chans.first_channel = first_channel;
+				domain_info->triplet[no_of_triplet]
+					.chans.num_channels = no_of_parsed_chan;
+				domain_info->triplet[no_of_triplet]
+					.chans.max_power = max_pwr;
+				no_of_triplet++;
+				flag = 0;
+			}
+		}
+		if (flag) {
+			domain_info->triplet[no_of_triplet]
+				.chans.first_channel = first_channel;
+			domain_info->triplet[no_of_triplet]
+				.chans.num_channels = no_of_parsed_chan;
+			domain_info->triplet[no_of_triplet]
+				.chans.max_power = max_pwr;
+			no_of_triplet++;
+		}
+	}
+
+	domain_info->no_triplet = no_of_triplet;
+
+	/* Set domain info */
+	ret = lbs_11d_set_domain_info(priv);
+	if (ret)
+		lbs_pr_err("11D: error setting domain info in FW\n");
+
+	lbs_deb_leave(LBS_DEB_CFG80211);
+}
+
+int lbs_reg_notifier(struct wiphy *wiphy,
+		struct regulatory_request *request)
+{
+	lbs_deb_enter_args(LBS_DEB_CFG80211, "cfg80211 regulatory domain "
+			"callback for domain %c%c\n", request->alpha2[0],
+			request->alpha2[1]);
+
+	lbs_send_domain_info_cmd_fw(wiphy, request);
+
+	lbs_deb_leave(LBS_DEB_CFG80211);
+
+	return 0;
+}
 
 void lbs_scan_deinit(struct lbs_private *priv)
 {
diff --git a/drivers/net/wireless/libertas/cfg.h b/drivers/net/wireless/libertas/cfg.h
index eae3fd9..756fb98 100644
--- a/drivers/net/wireless/libertas/cfg.h
+++ b/drivers/net/wireless/libertas/cfg.h
@@ -3,11 +3,16 @@ 
 
 struct device;
 struct lbs_private;
+struct regulatory_request;
+struct wiphy;
 
 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_reg_notifier(struct wiphy *wiphy,
+		struct regulatory_request *request);
+
 /* All of those are TODOs: */
 #define lbs_cmd_802_11_rssi(priv, cmdptr) (0)
 #define lbs_ret_802_11_rssi(priv, resp) (0)
diff --git a/drivers/net/wireless/libertas/cmd.c b/drivers/net/wireless/libertas/cmd.c
index 10067ca..cb93de9 100644
--- a/drivers/net/wireless/libertas/cmd.c
+++ b/drivers/net/wireless/libertas/cmd.c
@@ -877,6 +877,66 @@  void lbs_set_mac_control(struct lbs_private *priv)
 }
 
 /**
+ *  @brief This function implements command CMD_802_11D_DOMAIN_INFO
+ *  @param priv       pointer to struct lbs_private
+ *  @param cmd        pointer to cmd buffer
+ *  @param cmdno      cmd ID
+ *  @param cmdOption  cmd action
+ *  @return           0
+*/
+int lbs_cmd_802_11d_domain_info(struct lbs_private *priv,
+				 struct cmd_ds_command *cmd,
+				 u16 cmdoption)
+{
+	struct cmd_ds_802_11d_domain_info *pdomaininfo =
+	    &cmd->params.domaininfo;
+	struct mrvl_ie_domain_param_set *domain = &pdomaininfo->domain;
+	u8 nr_triplet = priv->domain_reg.no_triplet;
+
+	lbs_deb_enter(LBS_DEB_11D);
+
+	lbs_deb_11d("nr_triplet=%x\n", nr_triplet);
+
+	pdomaininfo->action = cpu_to_le16(cmdoption);
+	if (cmdoption == CMD_ACT_GET) {
+		cmd->size = cpu_to_le16(sizeof(pdomaininfo->action) +
+					sizeof(struct cmd_header));
+		lbs_deb_hex(LBS_DEB_11D, "802_11D_DOMAIN_INFO", (u8 *) cmd,
+			le16_to_cpu(cmd->size));
+		goto done;
+	}
+
+	domain->header.type = cpu_to_le16(TLV_TYPE_DOMAIN);
+	memcpy(domain->countrycode, priv->domain_reg.country_code,
+	       sizeof(domain->countrycode));
+
+	domain->header.len = cpu_to_le16(nr_triplet
+				* sizeof(struct ieee80211_country_ie_triplet)
+				+ sizeof(domain->countrycode));
+
+	if (nr_triplet) {
+		memcpy(domain->triplet, priv->domain_reg.triplet,
+				nr_triplet *
+				sizeof(struct ieee80211_country_ie_triplet));
+
+		cmd->size = cpu_to_le16(sizeof(pdomaininfo->action) +
+					     le16_to_cpu(domain->header.len) +
+					     sizeof(struct mrvl_ie_header) +
+					     sizeof(struct cmd_header));
+	} else {
+		cmd->size = cpu_to_le16(sizeof(pdomaininfo->action) +
+					sizeof(struct cmd_header));
+	}
+
+	lbs_deb_hex(LBS_DEB_11D, "802_11D_DOMAIN_INFO", (u8 *) cmd,
+			le16_to_cpu(cmd->size));
+
+done:
+	lbs_deb_enter(LBS_DEB_11D);
+	return 0;
+}
+
+/**
  *  @brief This function prepare the command before send to firmware.
  *
  *  @param priv		A pointer to struct lbs_private structure
@@ -974,6 +1034,11 @@  int lbs_prepare_and_send_command(struct lbs_private *priv,
 		ret = 0;
 		goto done;
 
+	case CMD_802_11D_DOMAIN_INFO:
+		cmdptr->command = cpu_to_le16(cmd_no);
+		ret = lbs_cmd_802_11d_domain_info(priv, cmdptr, cmd_action);
+		break;
+
 	case CMD_802_11_TPC_CFG:
 		cmdptr->command = cpu_to_le16(CMD_802_11_TPC_CFG);
 		cmdptr->size =
diff --git a/drivers/net/wireless/libertas/cmdresp.c b/drivers/net/wireless/libertas/cmdresp.c
index d6c61bd..c31b32d 100644
--- a/drivers/net/wireless/libertas/cmdresp.c
+++ b/drivers/net/wireless/libertas/cmdresp.c
@@ -97,6 +97,52 @@  static int lbs_ret_reg_access(struct lbs_private *priv,
 	return ret;
 }
 
+/**
+ *  @brief This function parses countryinfo from AP and download country info to FW
+ *  @param priv    pointer to struct lbs_private
+ *  @param resp    pointer to command response buffer
+ *  @return        0; -1
+ */
+int lbs_ret_802_11d_domain_info(struct cmd_ds_command *resp)
+{
+	struct cmd_ds_802_11d_domain_info *domaininfo =
+			&resp->params.domaininforesp;
+	struct mrvl_ie_domain_param_set *domain = &domaininfo->domain;
+	u16 action = le16_to_cpu(domaininfo->action);
+	s16 ret = 0;
+	u8 nr_triplet = 0;
+
+	lbs_deb_enter(LBS_DEB_11D);
+
+	lbs_deb_hex(LBS_DEB_11D, "domain info resp", (u8 *) resp,
+			(int)le16_to_cpu(resp->size));
+
+	nr_triplet = (le16_to_cpu(domain->header.len) - COUNTRY_CODE_LEN) /
+		sizeof(struct ieee80211_country_ie_triplet);
+
+	lbs_deb_11d("domain info resp: nr_triplet %d\n", nr_triplet);
+
+	if (nr_triplet > MRVDRV_MAX_TRIPLET_802_11D) {
+		lbs_deb_11d("invalid number of triplets returned!!\n");
+		return -1;
+	}
+
+	switch (action) {
+	case CMD_ACT_SET:	/*Proc set action */
+		break;
+
+	case CMD_ACT_GET:
+		break;
+	default:
+		lbs_deb_11d("invalid action:%d\n", domaininfo->action);
+		ret = -1;
+		break;
+	}
+
+	lbs_deb_leave_args(LBS_DEB_11D, "ret %d", ret);
+	return ret;
+}
+
 static inline int handle_cmd_response(struct lbs_private *priv,
 				      struct cmd_header *cmd_response)
 {
@@ -130,6 +176,10 @@  static inline int handle_cmd_response(struct lbs_private *priv,
 		ret = lbs_ret_802_11_rssi(priv, resp);
 		break;
 
+	case CMD_RET(CMD_802_11D_DOMAIN_INFO):
+		ret = lbs_ret_802_11d_domain_info(resp);
+		break;
+
 	case CMD_RET(CMD_802_11_TPC_CFG):
 		spin_lock_irqsave(&priv->driver_lock, flags);
 		memmove((void *)priv->cur_cmd->callback_arg, &resp->params.tpccfg,
diff --git a/drivers/net/wireless/libertas/decl.h b/drivers/net/wireless/libertas/decl.h
index 2bccad3..9d2566e 100644
--- a/drivers/net/wireless/libertas/decl.h
+++ b/drivers/net/wireless/libertas/decl.h
@@ -13,6 +13,7 @@ 
 struct lbs_private;
 struct sk_buff;
 struct net_device;
+struct cmd_ds_command;
 
 
 /* ethtool.c */
@@ -52,5 +53,9 @@  int lbs_exit_auto_deep_sleep(struct lbs_private *priv);
 u32 lbs_fw_index_to_data_rate(u8 index);
 u8 lbs_data_rate_to_fw_index(u32 rate);
 
+int lbs_cmd_802_11d_domain_info(struct lbs_private *priv,
+		struct cmd_ds_command *cmd, u16 cmdoption);
+
+int lbs_ret_802_11d_domain_info(struct cmd_ds_command *resp);
 
 #endif
diff --git a/drivers/net/wireless/libertas/dev.h b/drivers/net/wireless/libertas/dev.h
index afbd891..d9dad5d 100644
--- a/drivers/net/wireless/libertas/dev.h
+++ b/drivers/net/wireless/libertas/dev.h
@@ -60,6 +60,9 @@  struct lbs_private {
 	struct dentry *regs_dir;
 	struct dentry *debugfs_regs_files[6];
 
+	/** 11D and domain regulatory data */
+	struct lbs_802_11d_domain_reg domain_reg;
+
 	/* Hardware debugging */
 	u32 mac_offset;
 	u32 bbp_offset;
diff --git a/drivers/net/wireless/libertas/host.h b/drivers/net/wireless/libertas/host.h
index 3809c0b..112fbf1 100644
--- a/drivers/net/wireless/libertas/host.h
+++ b/drivers/net/wireless/libertas/host.h
@@ -389,6 +389,30 @@  struct lbs_offset_value {
 	u32 value;
 } __attribute__ ((packed));
 
+#define MRVDRV_MAX_TRIPLET_802_11D              83
+
+#define COUNTRY_CODE_LEN                        3
+
+struct mrvl_ie_domain_param_set {
+	struct mrvl_ie_header header;
+
+	u8 countrycode[COUNTRY_CODE_LEN];
+	struct ieee80211_country_ie_triplet triplet[1];
+} __attribute__ ((packed));
+
+struct cmd_ds_802_11d_domain_info {
+	__le16 action;
+	struct mrvl_ie_domain_param_set domain;
+} __attribute__ ((packed));
+
+struct lbs_802_11d_domain_reg {
+	/** Country code*/
+	u8 country_code[COUNTRY_CODE_LEN];
+	/** No. of triplet*/
+	u8 no_triplet;
+	struct ieee80211_country_ie_triplet triplet[MRVDRV_MAX_TRIPLET_802_11D];
+} __attribute__ ((packed));
+
 /*
  * Define data structure for CMD_GET_HW_SPEC
  * This structure defines the response for the GET_HW_SPEC command
@@ -949,6 +973,9 @@  struct cmd_ds_command {
 		struct cmd_ds_bbp_reg_access bbpreg;
 		struct cmd_ds_rf_reg_access rfreg;
 
+		struct cmd_ds_802_11d_domain_info domaininfo;
+		struct cmd_ds_802_11d_domain_info domaininforesp;
+
 		struct cmd_ds_802_11_tpc_cfg tpccfg;
 		struct cmd_ds_802_11_afc afc;
 		struct cmd_ds_802_11_led_ctrl ledgpio;
@@ -958,5 +985,4 @@  struct cmd_ds_command {
 		struct cmd_ds_802_11_beacon_control bcn_ctrl;
 	} params;
 } __attribute__ ((packed));
-
 #endif
diff --git a/drivers/net/wireless/libertas/main.c b/drivers/net/wireless/libertas/main.c
index 2fd5042..ff4380e 100644
--- a/drivers/net/wireless/libertas/main.c
+++ b/drivers/net/wireless/libertas/main.c
@@ -629,6 +629,9 @@  static int lbs_setup_firmware(struct lbs_private *priv)
 		priv->txpower_max = maxlevel;
 	}
 
+	/* Send cmd to FW to enable 11D function */
+	ret = lbs_set_snmp_mib(priv, SNMP_MIB_OID_11D_ENABLE, 1);
+
 	lbs_set_mac_control(priv);
 done:
 	lbs_deb_leave_args(LBS_DEB_FW, "ret %d", ret);