From 9197ab9e5f3016ad05e1aa3e627ddf7d08927ccf Mon Sep 17 00:00:00 2001 From: Stone Piao Date: Tue, 25 Sep 2012 20:23:42 -0700 Subject: mwifiex: add support for P2P GO in interface type change When cfg80211 calls to change interface type for P2P GO, send P2P mode config commands to firmware and set bss role and bss mode accordingly. Signed-off-by: Stone Piao Signed-off-by: Avinash Patil Signed-off-by: Bing Zhao Signed-off-by: John W. Linville --- drivers/net/wireless/mwifiex/cfg80211.c | 42 +++++++++++++++++++++++++++++++-- 1 file changed, 40 insertions(+), 2 deletions(-) (limited to 'drivers/net/wireless/mwifiex/cfg80211.c') diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c index 499060304d1..94ac40c5006 100644 --- a/drivers/net/wireless/mwifiex/cfg80211.c +++ b/drivers/net/wireless/mwifiex/cfg80211.c @@ -679,6 +679,9 @@ mwifiex_cfg80211_deinit_p2p(struct mwifiex_private *priv) { u16 mode = P2P_MODE_DISABLE; + if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA) + mwifiex_set_bss_role(priv, MWIFIEX_BSS_ROLE_STA); + if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_P2P_MODE_CFG, HostCmd_ACT_GEN_SET, 0, &mode)) return -1; @@ -712,6 +715,35 @@ mwifiex_cfg80211_init_p2p_client(struct mwifiex_private *priv) return 0; } +/* + * This function initializes the functionalities for P2P GO. + * The P2P GO initialization sequence is: + * disable -> device -> GO + */ +static int +mwifiex_cfg80211_init_p2p_go(struct mwifiex_private *priv) +{ + u16 mode; + + if (mwifiex_cfg80211_deinit_p2p(priv)) + return -1; + + mode = P2P_MODE_DEVICE; + if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_P2P_MODE_CFG, + HostCmd_ACT_GEN_SET, 0, &mode)) + return -1; + + mode = P2P_MODE_GO; + if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_P2P_MODE_CFG, + HostCmd_ACT_GEN_SET, 0, &mode)) + return -1; + + if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP) + mwifiex_set_bss_role(priv, MWIFIEX_BSS_ROLE_UAP); + + return 0; +} + /* * CFG802.11 operation handler to change interface type. */ @@ -749,6 +781,11 @@ mwifiex_cfg80211_change_virtual_intf(struct wiphy *wiphy, return -EFAULT; dev->ieee80211_ptr->iftype = type; return 0; + case NL80211_IFTYPE_P2P_GO: + if (mwifiex_cfg80211_init_p2p_go(priv)) + return -EFAULT; + dev->ieee80211_ptr->iftype = type; + return 0; case NL80211_IFTYPE_UNSPECIFIED: wiphy_warn(wiphy, "%s: kept type as STA\n", dev->name); case NL80211_IFTYPE_STATION: /* This shouldn't happen */ @@ -775,6 +812,7 @@ mwifiex_cfg80211_change_virtual_intf(struct wiphy *wiphy, } break; case NL80211_IFTYPE_P2P_CLIENT: + case NL80211_IFTYPE_P2P_GO: switch (type) { case NL80211_IFTYPE_STATION: if (mwifiex_cfg80211_deinit_p2p(priv)) @@ -1135,7 +1173,7 @@ static int mwifiex_cfg80211_change_beacon(struct wiphy *wiphy, { struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); - if (priv->bss_type != MWIFIEX_BSS_TYPE_UAP) { + if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP) { wiphy_err(wiphy, "%s: bss_type mismatched\n", __func__); return -EINVAL; } @@ -1223,7 +1261,7 @@ static int mwifiex_cfg80211_start_ap(struct wiphy *wiphy, struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); u8 config_bands = 0; - if (priv->bss_type != MWIFIEX_BSS_TYPE_UAP) + if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP) return -1; if (mwifiex_set_mgmt_ies(priv, ¶ms->beacon)) return -1; -- cgit v1.2.3-70-g09d2