From 197f4a2ec99dd3a70b27fba7e827d1fa98114ce3 Mon Sep 17 00:00:00 2001 From: Stone Piao Date: Tue, 25 Sep 2012 20:23:40 -0700 Subject: [PATCH] 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 Signed-off-by: Bing Zhao Signed-off-by: John W. Linville --- drivers/net/wireless/mwifiex/cfg80211.c | 39 ++++++++++++++++++++++++- drivers/net/wireless/mwifiex/decl.h | 3 +- drivers/net/wireless/mwifiex/main.c | 7 +++++ 3 files changed, 47 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c index 1f4bd67dffa7..ece267a36380 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), @@ -1917,6 +1917,41 @@ struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy, priv->bss_num = 0; 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"); @@ -2069,6 +2104,8 @@ int mwifiex_register_cfg80211(struct mwifiex_adapter *adapter) 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 d21bcc146f4b..e9357d87d327 100644 --- a/drivers/net/wireless/mwifiex/decl.h +++ b/drivers/net/wireless/mwifiex/decl.h @@ -28,7 +28,7 @@ #include -#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 3bb3417932d0..eb22dd248d54 100644 --- a/drivers/net/wireless/mwifiex/main.c +++ b/drivers/net/wireless/mwifiex/main.c @@ -369,6 +369,13 @@ static void mwifiex_fw_dpc(const struct firmware *firmware, void *context) 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); -- 2.20.1