mwifiex: support AP reset after bss_stop

This would enable clearing of FW bss data structures when AP
operations are stopped.
Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Cathy Luo <cluo@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

drivers/net/wireless/mwifiex/cfg80211.c

@@ -1725,6 +1725,13 @@ static int mwifiex_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
 		return -1;
 	}
 
+	if (mwifiex_send_cmd(priv, HOST_CMD_APCMD_SYS_RESET,
+			     HostCmd_ACT_GEN_SET, 0, NULL, true)) {
+		mwifiex_dbg(priv->adapter, ERROR,
+			    "Failed to reset BSS\n");
+		return -1;
+	}
+
 	return 0;
 }
 

drivers/net/wireless/mwifiex/cmdevt.c

@@ -574,6 +574,7 @@ int mwifiex_send_cmd(struct mwifiex_private *priv, u16 cmd_no,
 		case HostCmd_CMD_UAP_BSS_START:
 		case HostCmd_CMD_UAP_BSS_STOP:
 		case HostCmd_CMD_UAP_STA_DEAUTH:
+		case HOST_CMD_APCMD_SYS_RESET:
 			ret = mwifiex_uap_prepare_cmd(priv, cmd_no, cmd_action,
 						      cmd_oid, data_buf,
 						      cmd_ptr);

drivers/net/wireless/mwifiex/fw.h

@@ -330,6 +330,7 @@ enum MWIFIEX_802_11_PRIVACY_FILTER {
 #define HostCmd_CMD_RSSI_INFO                         0x00a4
 #define HostCmd_CMD_FUNC_INIT                         0x00a9
 #define HostCmd_CMD_FUNC_SHUTDOWN                     0x00aa
+#define HOST_CMD_APCMD_SYS_RESET                      0x00af
 #define HostCmd_CMD_UAP_SYS_CONFIG                    0x00b0
 #define HostCmd_CMD_UAP_BSS_START                     0x00b1
 #define HostCmd_CMD_UAP_BSS_STOP                      0x00b2

drivers/net/wireless/mwifiex/sta_cmdresp.c

@@ -1159,6 +1159,8 @@ int mwifiex_process_sta_cmdresp(struct mwifiex_private *priv, u16 cmdresp_no,
 		break;
 	case HostCmd_CMD_UAP_STA_DEAUTH:
 		break;
+	case HOST_CMD_APCMD_SYS_RESET:
+		break;
 	case HostCmd_CMD_MEF_CFG:
 		break;
 	case HostCmd_CMD_COALESCE_CFG:

drivers/net/wireless/mwifiex/uap_cmd.c

@@ -754,6 +754,7 @@ int mwifiex_uap_prepare_cmd(struct mwifiex_private *priv, u16 cmd_no,
 		break;
 	case HostCmd_CMD_UAP_BSS_START:
 	case HostCmd_CMD_UAP_BSS_STOP:
+	case HOST_CMD_APCMD_SYS_RESET:
 		cmd->command = cpu_to_le16(cmd_no);
 		cmd->size = cpu_to_le16(S_DS_GEN);
 		break;
@@ -811,8 +812,13 @@ int mwifiex_config_start_uap(struct mwifiex_private *priv,
 
 	if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_STOP,
 			     HostCmd_ACT_GEN_SET, 0, NULL, true)) {
-		mwifiex_dbg(priv->adapter, ERROR,
-			    "Failed to stop the BSS\n");
+		mwifiex_dbg(priv->adapter, ERROR, "Failed to stop the BSS\n");
+		return -1;
+	}
+
+	if (mwifiex_send_cmd(priv, HOST_CMD_APCMD_SYS_RESET,
+			     HostCmd_ACT_GEN_SET, 0, NULL, true)) {
+		mwifiex_dbg(priv->adapter, ERROR, "Failed to reset BSS\n");
 		return -1;
 	}