mwifiex: add P2P interface
Due to firmware design, driver needs to add a default P2P interface
to implement find phase and action frame handshake.
Signed-off-by: Stone Piao <piaoyun@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c
index 1f4bd67..ece267a 100644
--- a/drivers/net/wireless/mwifiex/cfg80211.c
+++ b/drivers/net/wireless/mwifiex/cfg80211.c
@@ -22,7 +22,7 @@
static const struct ieee80211_iface_limit mwifiex_ap_sta_limits[] = {
{
- .max = 1, .types = BIT(NL80211_IFTYPE_STATION),
+ .max = 2, .types = BIT(NL80211_IFTYPE_STATION),
},
{
.max = 1, .types = BIT(NL80211_IFTYPE_AP),
@@ -1918,6 +1918,41 @@
priv->bss_mode = type;
break;
+ case NL80211_IFTYPE_P2P_CLIENT:
+ priv = adapter->priv[MWIFIEX_BSS_TYPE_P2P];
+
+ if (priv->bss_mode) {
+ wiphy_err(wiphy, "Can't create multiple P2P ifaces");
+ return ERR_PTR(-EINVAL);
+ }
+
+ wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL);
+ if (!wdev)
+ return ERR_PTR(-ENOMEM);
+
+ priv->wdev = wdev;
+ wdev->wiphy = wiphy;
+
+ /* At start-up, wpa_supplicant tries to change the interface
+ * to NL80211_IFTYPE_STATION if it is not managed mode.
+ * So, we initialize it to STA mode.
+ */
+ wdev->iftype = NL80211_IFTYPE_STATION;
+ priv->bss_mode = NL80211_IFTYPE_STATION;
+
+ /* Setting bss_type to P2P tells firmware that this interface
+ * is receiving P2P peers found during find phase and doing
+ * action frame handshake.
+ */
+ priv->bss_type = MWIFIEX_BSS_TYPE_P2P;
+
+ priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
+ priv->bss_priority = MWIFIEX_BSS_ROLE_STA;
+ priv->bss_role = MWIFIEX_BSS_ROLE_STA;
+ priv->bss_started = 0;
+ priv->bss_num = 0;
+
+ break;
default:
wiphy_err(wiphy, "type not supported\n");
return ERR_PTR(-EINVAL);
@@ -2069,6 +2104,8 @@
wiphy->max_remain_on_channel_duration = 5000;
wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
BIT(NL80211_IFTYPE_ADHOC) |
+ BIT(NL80211_IFTYPE_P2P_CLIENT) |
+ BIT(NL80211_IFTYPE_P2P_GO) |
BIT(NL80211_IFTYPE_AP);
wiphy->bands[IEEE80211_BAND_2GHZ] = &mwifiex_band_2ghz;