@@ -26,6 +26,7 @@
#include "dhd_bus.h"
#include "dhd_proto.h"
#include "dhd_dbg.h"
+#include "fwil_types.h"
#include "p2p.h"
#include "wl_cfg80211.h"
#include "fwil.h"
@@ -718,24 +718,105 @@ void brcmf_p2p_detach(struct brcmf_p2p_info *p2p)
memset(p2p, 0, sizeof(*p2p));
}
-static int brcmf_p2p_request_p2p_if(struct brcmf_if *ifp, u8 ea[ETH_ALEN],
- enum brcmf_fil_p2p_if_types iftype)
+/**
+ * brcmf_p2p_get_current_chanspec() - Get current operation channel.
+ *
+ * @p2p: P2P specific data.
+ * @chanspec: chanspec to be returned.
+ */
+static void brcmf_p2p_get_current_chanspec(struct brcmf_p2p_info *p2p,
+ u16 *chanspec)
{
- struct brcmf_fil_p2p_if_le if_request;
+ struct brcmf_if *ifp;
struct brcmf_fil_chan_info_le ci;
- u16 chanspec = 11 & WL_CHANSPEC_CHAN_MASK;
- int err;
+ s32 err;
+
+ ifp = p2p->bss_idx[P2PAPI_BSSCFG_PRIMARY].vif->ifp;
+
+ *chanspec = 11 & WL_CHANSPEC_CHAN_MASK;
- /* we need a default channel */
err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_CHANNEL, &ci, sizeof(ci));
if (!err) {
- chanspec = le32_to_cpu(ci.hw_channel) & WL_CHANSPEC_CHAN_MASK;
- if (chanspec < CH_MAX_2G_CHANNEL)
- chanspec |= WL_CHANSPEC_BAND_2G;
+ *chanspec = le32_to_cpu(ci.hw_channel) & WL_CHANSPEC_CHAN_MASK;
+ if (*chanspec < CH_MAX_2G_CHANNEL)
+ *chanspec |= WL_CHANSPEC_BAND_2G;
else
- chanspec |= WL_CHANSPEC_BAND_5G;
+ *chanspec |= WL_CHANSPEC_BAND_5G;
+ }
+ *chanspec |= WL_CHANSPEC_BW_20 | WL_CHANSPEC_CTL_SB_NONE;
+}
+
+/**
+ * Change a P2P Role.
+ * Parameters:
+ * @mac: MAC address of the BSS to change a role
+ * Returns 0 if success.
+ */
+int brcmf_p2p_ifchange(struct brcmf_cfg80211_info *cfg,
+ enum brcmf_fil_p2p_if_types if_type)
+{
+ struct brcmf_p2p_info *p2p = &cfg->p2p;
+ struct brcmf_cfg80211_vif *vif;
+ struct brcmf_fil_p2p_if_le if_request;
+ s32 err;
+ u16 chanspec;
+
+ brcmf_dbg(TRACE, "Enter\n");
+
+ vif = p2p->bss_idx[P2PAPI_BSSCFG_PRIMARY].vif;
+ if (!vif) {
+ brcmf_err("vif for P2PAPI_BSSCFG_PRIMARY does not exist\n");
+ return -EPERM;
}
- chanspec |= WL_CHANSPEC_BW_20 | WL_CHANSPEC_CTL_SB_NONE;
+ brcmf_notify_escan_complete(cfg, vif->ifp->ndev, true, true);
+ vif = p2p->bss_idx[P2PAPI_BSSCFG_CONNECTION].vif;
+ if (!vif) {
+ brcmf_err("vif for P2PAPI_BSSCFG_CONNECTION does not exist\n");
+ return -EPERM;
+ }
+ brcmf_set_mpc(vif->ifp->ndev, 0);
+
+ /* In concurrency case, STA may be already associated in a particular */
+ /* channel. so retrieve the current channel of primary interface and */
+ /* then start the virtual interface on that. */
+ brcmf_p2p_get_current_chanspec(p2p, &chanspec);
+
+ if_request.type = cpu_to_le16((u16)if_type);
+ if_request.chspec = cpu_to_le16(chanspec);
+ memcpy(if_request.addr, p2p->int_addr, sizeof(if_request.addr));
+
+ brcmf_cfg80211_arm_vif_event(cfg, vif);
+ err = brcmf_fil_iovar_data_set(vif->ifp, "p2p_ifupd", &if_request,
+ sizeof(if_request));
+ if (err) {
+ brcmf_err("p2p_ifupd FAILED, err=%d\n", err);
+ brcmf_cfg80211_arm_vif_event(cfg, NULL);
+ return err;
+ }
+ err = brcmf_cfg80211_wait_vif_event_timeout(cfg, BRCMF_E_IF_CHANGE,
+ msecs_to_jiffies(1500));
+ brcmf_cfg80211_arm_vif_event(cfg, NULL);
+ if (!err) {
+ brcmf_err("No BRCMF_E_IF_CHANGE event received\n");
+ return -EIO;
+ }
+
+ err = brcmf_fil_cmd_int_set(vif->ifp, BRCMF_C_SET_SCB_TIMEOUT,
+ BRCMF_SCB_TIMEOUT_VALUE);
+
+ return err;
+}
+
+static int brcmf_p2p_request_p2p_if(struct brcmf_p2p_info *p2p,
+ struct brcmf_if *ifp, u8 ea[ETH_ALEN],
+ enum brcmf_fil_p2p_if_types iftype)
+{
+ struct brcmf_fil_p2p_if_le if_request;
+ int err;
+ u16 chanspec;
+
+ /* we need a default channel */
+ brcmf_p2p_get_current_chanspec(p2p, &chanspec);
/* fill the firmware request */
memcpy(if_request.addr, ea, ETH_ALEN);
@@ -813,7 +894,8 @@ struct wireless_dev *brcmf_p2p_add_vif(struct wiphy *wiphy, const char *name,
return (struct wireless_dev *)vif;
brcmf_cfg80211_arm_vif_event(cfg, vif);
- err = brcmf_p2p_request_p2p_if(ifp, cfg->p2p.int_addr, iftype);
+ err = brcmf_p2p_request_p2p_if(&cfg->p2p, ifp, cfg->p2p.int_addr,
+ iftype);
if (err) {
brcmf_cfg80211_arm_vif_event(cfg, NULL);
goto fail;
@@ -108,6 +108,8 @@ struct wireless_dev *brcmf_p2p_add_vif(struct wiphy *wiphy, const char *name,
enum nl80211_iftype type, u32 *flags,
struct vif_params *params);
int brcmf_p2p_del_vif(struct wiphy *wiphy, struct wireless_dev *wdev);
+int brcmf_p2p_ifchange(struct brcmf_cfg80211_info *cfg,
+ enum brcmf_fil_p2p_if_types if_type);
int brcmf_p2p_start_device(struct wiphy *wiphy, struct wireless_dev *wdev);
void brcmf_p2p_stop_device(struct wiphy *wiphy, struct wireless_dev *wdev);
int brcmf_p2p_scan_prep(struct wiphy *wiphy,
@@ -26,6 +26,7 @@
#include <brcmu_wifi.h>
#include "dhd.h"
#include "dhd_dbg.h"
+#include "fwil_types.h"
#include "p2p.h"
#include "wl_cfg80211.h"
#include "fwil.h"
@@ -445,7 +446,7 @@ static struct wireless_dev *brcmf_cfg80211_add_iface(struct wiphy *wiphy,
}
}
-static void brcmf_set_mpc(struct net_device *ndev, int mpc)
+void brcmf_set_mpc(struct net_device *ndev, int mpc)
{
struct brcmf_if *ifp = netdev_priv(ndev);
s32 err = 0;
@@ -460,7 +461,7 @@ static void brcmf_set_mpc(struct net_device *ndev, int mpc)
}
}
-static s32
+s32
brcmf_notify_escan_complete(struct brcmf_cfg80211_info *cfg,
struct net_device *ndev,
bool aborted, bool fw_abort)
@@ -567,6 +568,7 @@ brcmf_cfg80211_change_iface(struct wiphy *wiphy, struct net_device *ndev,
enum nl80211_iftype type, u32 *flags,
struct vif_params *params)
{
+ struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy);
struct brcmf_if *ifp = netdev_priv(ndev);
struct brcmf_cfg80211_vif *vif = ifp->vif;
s32 infra = 0;
@@ -590,6 +592,7 @@ brcmf_cfg80211_change_iface(struct wiphy *wiphy, struct net_device *ndev,
infra = 1;
break;
case NL80211_IFTYPE_AP:
+ case NL80211_IFTYPE_P2P_GO:
vif->mode = WL_MODE_AP;
ap = 1;
break;
@@ -599,8 +602,14 @@ brcmf_cfg80211_change_iface(struct wiphy *wiphy, struct net_device *ndev,
}
if (ap) {
- set_bit(BRCMF_VIF_STATUS_AP_CREATING, &vif->sme_state);
- brcmf_dbg(INFO, "IF Type = AP\n");
+ if (type == NL80211_IFTYPE_P2P_GO) {
+ brcmf_dbg(INFO, "IF Type = P2P GO\n");
+ err = brcmf_p2p_ifchange(cfg, BRCMF_FIL_P2P_IF_GO);
+ }
+ if (!err) {
+ set_bit(BRCMF_VIF_STATUS_AP_CREATING, &vif->sme_state);
+ brcmf_dbg(INFO, "IF Type = AP\n");
+ }
} else {
err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_INFRA, infra);
if (err) {
@@ -4422,7 +4431,6 @@ static s32 brcmf_notify_vif_event(struct brcmf_if *ifp,
ifevent->action, ifevent->flags, ifevent->ifidx,
ifevent->bssidx);
-
mutex_lock(&event->vif_event_lock);
event->action = ifevent->action;
vif = event->vif;
@@ -4453,6 +4461,11 @@ static s32 brcmf_notify_vif_event(struct brcmf_if *ifp,
wake_up(&event->vif_wq);
return 0;
+ case BRCMF_E_IF_CHANGE:
+ mutex_unlock(&event->vif_event_lock);
+ wake_up(&event->vif_wq);
+ return 0;
+
default:
mutex_unlock(&event->vif_event_lock);
break;
@@ -492,5 +492,9 @@ bool brcmf_cfg80211_vif_event_armed(struct brcmf_cfg80211_info *cfg);
int brcmf_cfg80211_wait_vif_event_timeout(struct brcmf_cfg80211_info *cfg,
u8 action, ulong timeout);
void brcmf_cfg80211_vif_complete(struct brcmf_cfg80211_info *info);
+s32 brcmf_notify_escan_complete(struct brcmf_cfg80211_info *cfg,
+ struct net_device *ndev,
+ bool aborted, bool fw_abort);
+void brcmf_set_mpc(struct net_device *ndev, int mpc);
#endif /* _wl_cfg80211_h_ */