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;
diff --git a/drivers/net/wireless/mwifiex/decl.h b/drivers/net/wireless/mwifiex/decl.h
index d21bcc14..e9357d8 100644
--- a/drivers/net/wireless/mwifiex/decl.h
+++ b/drivers/net/wireless/mwifiex/decl.h
@@ -28,7 +28,7 @@
#include <linux/ieee80211.h>
-#define MWIFIEX_MAX_BSS_NUM (2)
+#define MWIFIEX_MAX_BSS_NUM (3)
#define MWIFIEX_MIN_DATA_HEADER_LEN 36 /* sizeof(mwifiex_txpd)
* + 4 byte alignment
@@ -70,6 +70,7 @@
enum mwifiex_bss_type {
MWIFIEX_BSS_TYPE_STA = 0,
MWIFIEX_BSS_TYPE_UAP = 1,
+ MWIFIEX_BSS_TYPE_P2P = 2,
MWIFIEX_BSS_TYPE_ANY = 0xff,
};
diff --git a/drivers/net/wireless/mwifiex/main.c b/drivers/net/wireless/mwifiex/main.c
index 3bb3417..eb22dd2 100644
--- a/drivers/net/wireless/mwifiex/main.c
+++ b/drivers/net/wireless/mwifiex/main.c
@@ -369,6 +369,13 @@
dev_err(adapter->dev, "cannot create default AP interface\n");
goto err_add_intf;
}
+
+ /* Create P2P interface by default */
+ if (!mwifiex_add_virtual_intf(adapter->wiphy, "p2p%d",
+ NL80211_IFTYPE_P2P_CLIENT, NULL, NULL)) {
+ dev_err(adapter->dev, "cannot create default P2P interface\n");
+ goto err_add_intf;
+ }
rtnl_unlock();
mwifiex_drv_get_driver_version(adapter, fmt, sizeof(fmt) - 1);