libertas: convert ENABLE_RSN to a direct command

Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/libertas/assoc.c

@@ -305,8 +305,8 @@ static int assoc_helper_secinfo(struct lbs_private *priv,
                                 struct assoc_request * assoc_req)
 {
 	int ret = 0;
-	u32 do_wpa;
-	u32 rsn = 0;
+	uint16_t do_wpa;
+	uint16_t rsn = 0;
 
 	lbs_deb_enter(LBS_DEB_ASSOC);
 
@@ -323,28 +323,19 @@ static int assoc_helper_secinfo(struct lbs_private *priv,
 	 */
 
 	/* Get RSN enabled/disabled */
-	ret = lbs_prepare_and_send_command(priv,
-				    CMD_802_11_ENABLE_RSN,
-				    CMD_ACT_GET,
-				    CMD_OPTION_WAITFORRSP,
-				    0, &rsn);
+	ret = lbs_cmd_802_11_enable_rsn(priv, CMD_ACT_GET, &rsn);
 	if (ret) {
 		lbs_deb_assoc("Failed to get RSN status: %d\n", ret);
 		goto out;
 	}
 
 	/* Don't re-enable RSN if it's already enabled */
-	do_wpa = (assoc_req->secinfo.WPAenabled || assoc_req->secinfo.WPA2enabled);
+	do_wpa = assoc_req->secinfo.WPAenabled || assoc_req->secinfo.WPA2enabled;
 	if (do_wpa == rsn)
 		goto out;
 
 	/* Set RSN enabled/disabled */
-	rsn = do_wpa;
-	ret = lbs_prepare_and_send_command(priv,
-				    CMD_802_11_ENABLE_RSN,
-				    CMD_ACT_SET,
-				    CMD_OPTION_WAITFORRSP,
-				    0, &rsn);
+	ret = lbs_cmd_802_11_enable_rsn(priv, CMD_ACT_SET, &do_wpa);
 
 out:
 	lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);

drivers/net/wireless/libertas/cmd.c

@@ -300,30 +300,31 @@ done:
 	return ret;
 }
 
-static int lbs_cmd_802_11_enable_rsn(struct lbs_private *priv,
-				      struct cmd_ds_command *cmd,
-				      u16 cmd_action,
-				      void * pdata_buf)
+int lbs_cmd_802_11_enable_rsn(struct lbs_private *priv, uint16_t cmd_action,
+			      uint16_t *enable)
 {
-	struct cmd_ds_802_11_enable_rsn *penableRSN = &cmd->params.enbrsn;
-	u32 * enable = pdata_buf;
+	struct cmd_ds_802_11_enable_rsn cmd;
+	int ret;
 
 	lbs_deb_enter(LBS_DEB_CMD);
 
-	cmd->command = cpu_to_le16(CMD_802_11_ENABLE_RSN);
-	cmd->size = cpu_to_le16(sizeof(*penableRSN) + S_DS_GEN);
-	penableRSN->action = cpu_to_le16(cmd_action);
+	cmd.hdr.size = cpu_to_le16(sizeof(cmd));
+	cmd.action = cpu_to_le16(cmd_action);
 
 	if (cmd_action == CMD_ACT_SET) {
 		if (*enable)
-			penableRSN->enable = cpu_to_le16(CMD_ENABLE_RSN);
+			cmd.enable = cpu_to_le16(CMD_ENABLE_RSN);
 		else
-			penableRSN->enable = cpu_to_le16(CMD_DISABLE_RSN);
+			cmd.enable = cpu_to_le16(CMD_DISABLE_RSN);
 		lbs_deb_cmd("ENABLE_RSN: %d\n", *enable);
 	}
 
-	lbs_deb_leave(LBS_DEB_CMD);
-	return 0;
+	ret = lbs_cmd_with_response(priv, CMD_802_11_ENABLE_RSN, &cmd);
+	if (!ret && cmd_action == CMD_ACT_GET)
+		*enable = le16_to_cpu(cmd.enable);
+
+	lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
+	return ret;
 }
 
 
@@ -1473,11 +1474,6 @@ int lbs_prepare_and_send_command(struct lbs_private *priv,
 		ret = lbs_cmd_80211_ad_hoc_stop(priv, cmdptr);
 		break;
 
-	case CMD_802_11_ENABLE_RSN:
-		ret = lbs_cmd_802_11_enable_rsn(priv, cmdptr, cmd_action,
-				pdata_buf);
-		break;
-
 	case CMD_802_11_KEY_MATERIAL:
 		ret = lbs_cmd_802_11_key_material(priv, cmdptr, cmd_action,
 				cmd_oid, pdata_buf);

drivers/net/wireless/libertas/cmd.h

@@ -53,5 +53,7 @@ int lbs_cmd_802_11_sleep_params(struct lbs_private *priv, uint16_t cmd_action,
 				struct sleep_params *sp);
 int lbs_cmd_802_11_set_wep(struct lbs_private *priv, uint16_t cmd_action,
 			   struct assoc_request *assoc);
+int lbs_cmd_802_11_enable_rsn(struct lbs_private *priv, uint16_t cmd_action,
+			      uint16_t *enable);
 
 #endif /* _LBS_CMD_H */

drivers/net/wireless/libertas/cmdresp.c

@@ -372,23 +372,6 @@ static int lbs_ret_get_log(struct lbs_private *priv,
 	return 0;
 }
 
-static int lbs_ret_802_11_enable_rsn(struct lbs_private *priv,
-                                          struct cmd_ds_command *resp)
-{
-	struct cmd_ds_802_11_enable_rsn *enable_rsn = &resp->params.enbrsn;
-	uint32_t * pdata_buf = (uint32_t *)priv->cur_cmd->callback_arg;
-
-	lbs_deb_enter(LBS_DEB_CMD);
-
-	if (enable_rsn->action == cpu_to_le16(CMD_ACT_GET)) {
-		if (pdata_buf)
-			*pdata_buf = (uint32_t) le16_to_cpu(enable_rsn->enable);
-	}
-
-	lbs_deb_leave(LBS_DEB_CMD);
-	return 0;
-}
-
 static int lbs_ret_802_11_bcn_ctrl(struct lbs_private * priv,
 					struct cmd_ds_command *resp)
 {
@@ -495,10 +478,6 @@ static inline int handle_cmd_response(struct lbs_private *priv,
 	case CMD_RET(CMD_802_11_BEACON_STOP):
 		break;
 
-	case CMD_RET(CMD_802_11_ENABLE_RSN):
-		ret = lbs_ret_802_11_enable_rsn(priv, resp);
-		break;
-
 	case CMD_RET(CMD_802_11_RATE_ADAPT_RATESET):
 		ret = lbs_ret_802_11_rate_adapt_rateset(priv, resp);
 		break;

drivers/net/wireless/libertas/hostcmd.h

@@ -536,6 +536,8 @@ struct cmd_ds_802_11_ad_hoc_join {
 } __attribute__ ((packed));
 
 struct cmd_ds_802_11_enable_rsn {
+	struct cmd_header hdr;
+
 	__le16 action;
 	__le16 enable;
 } __attribute__ ((packed));
@@ -708,7 +710,6 @@ struct cmd_ds_command {
 		struct cmd_ds_802_11_rssi_rsp rssirsp;
 		struct cmd_ds_802_11_disassociate dassociate;
 		struct cmd_ds_802_11_mac_address macadd;
-		struct cmd_ds_802_11_enable_rsn enbrsn;
 		struct cmd_ds_802_11_key_material keymaterial;
 		struct cmd_ds_mac_reg_access macreg;
 		struct cmd_ds_bbp_reg_access bbpreg;