commit 9197ab9e5f3016ad05e1aa3e627ddf7d08927ccf
author Stone Piao <piaoyun@marvell.com> Tue Sep 25 20:23:42 2012 -0700
committer John W. Linville <linville@tuxdriver.com> Fri Sep 28 13:54:05 2012 -0400
tree 76e45b4eaf6ee8a9e848a2bbdf36d3a6026383ff
parent e1a2b7a394ad8c2da9d7f4276680aa9c42e0bd97

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 <piaoyun@marvell.com>
Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/mwifiex/cfg80211.c

diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c
index 4990603..94ac40c 100644
--- a/drivers/net/wireless/mwifiex/cfg80211.c
+++ b/drivers/net/wireless/mwifiex/cfg80211.c
@@ -679,6 +679,9 @@
 {
 	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;
@@ -713,6 +716,35 @@
 }
 
 /*
+ * 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.
  */
 static int
@@ -749,6 +781,11 @@
 				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 @@
 		}
 		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 @@
 {
 	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 @@
 	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, &params->beacon))
 		return -1;