wl12xx: support p2p interfaces

Declare support for p2p interfaces, and create p2p_cli/p2p_go
roles when being asked for.

Indicate we are using a p2p interface by setting the wl->p2p flag.
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>

drivers/net/wireless/wl12xx/main.c

@@ -1825,9 +1825,15 @@ static u8 wl12xx_get_role_type(struct wl1271 *wl)
 {
 	switch (wl->bss_type) {
 	case BSS_TYPE_AP_BSS:
+		if (wl->p2p)
+			return WL1271_ROLE_P2P_GO;
+		else
 			return WL1271_ROLE_AP;
 
 	case BSS_TYPE_STA_BSS:
+		if (wl->p2p)
+			return WL1271_ROLE_P2P_CL;
+		else
 			return WL1271_ROLE_STA;
 
 	case BSS_TYPE_IBSS:
@@ -1850,7 +1856,7 @@ static int wl1271_op_add_interface(struct ieee80211_hw *hw,
 	bool booted = false;
 
 	wl1271_debug(DEBUG_MAC80211, "mac80211 add interface type %d mac %pM",
-		     vif->type, vif->addr);
+		     ieee80211_vif_type_p2p(vif), vif->addr);
 
 	mutex_lock(&wl->mutex);
 	if (wl->vif) {
@@ -1870,7 +1876,10 @@ static int wl1271_op_add_interface(struct ieee80211_hw *hw,
 		goto out;
 	}
 
-	switch (vif->type) {
+	switch (ieee80211_vif_type_p2p(vif)) {
+	case NL80211_IFTYPE_P2P_CLIENT:
+		wl->p2p = 1;
+		/* fall-through */
 	case NL80211_IFTYPE_STATION:
 		wl->bss_type = BSS_TYPE_STA_BSS;
 		wl->set_bss_type = BSS_TYPE_STA_BSS;
@@ -1879,6 +1888,9 @@ static int wl1271_op_add_interface(struct ieee80211_hw *hw,
 		wl->bss_type = BSS_TYPE_IBSS;
 		wl->set_bss_type = BSS_TYPE_STA_BSS;
 		break;
+	case NL80211_IFTYPE_P2P_GO:
+		wl->p2p = 1;
+		/* fall-through */
 	case NL80211_IFTYPE_AP:
 		wl->bss_type = BSS_TYPE_AP_BSS;
 		break;
@@ -2074,6 +2086,7 @@ static void __wl1271_op_remove_interface(struct wl1271 *wl,
 	wl->ssid_len = 0;
 	wl->bss_type = MAX_BSS_TYPE;
 	wl->set_bss_type = MAX_BSS_TYPE;
+	wl->p2p = 0;
 	wl->band = IEEE80211_BAND_2GHZ;
 
 	wl->rx_counter = 0;
@@ -4514,7 +4527,8 @@ int wl1271_init_ieee80211(struct wl1271 *wl)
 	wl->hw->wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites);
 
 	wl->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
-		BIT(NL80211_IFTYPE_ADHOC) | BIT(NL80211_IFTYPE_AP);
+		BIT(NL80211_IFTYPE_ADHOC) | BIT(NL80211_IFTYPE_AP) |
+		BIT(NL80211_IFTYPE_P2P_CLIENT) | BIT(NL80211_IFTYPE_P2P_GO);
 	wl->hw->wiphy->max_scan_ssids = 1;
 	wl->hw->wiphy->max_sched_scan_ssids = 16;
 	wl->hw->wiphy->max_match_sets = 16;

drivers/net/wireless/wl12xx/wl12xx.h

@@ -402,6 +402,7 @@ struct wl1271 {
 	u8 mac_addr[ETH_ALEN];
 	u8 bss_type;
 	u8 set_bss_type;
+	u8 p2p; /* we are using p2p role */
 	u8 ssid[IEEE80211_MAX_SSID_LEN + 1];
 	u8 ssid_len;
 	int channel;