wl12xx: mcp2.5 - add config_ps acx

mcp2.5 uses this acx to configure the fw only once, rather than
passing the params in every enter psm command.
Signed-off-by: Eliad Peller <eliad@wizery.com>
Reviewed-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>

drivers/net/wireless/wl12xx/acx.c

@@ -1476,3 +1476,33 @@ int wl1271_acx_max_tx_retry(struct wl1271 *wl)
 	kfree(acx);
 	return ret;
 }
+
+int wl1271_acx_config_ps(struct wl1271 *wl)
+{
+	struct wl1271_acx_config_ps *config_ps;
+	int ret;
+
+	wl1271_debug(DEBUG_ACX, "acx config ps");
+
+	config_ps = kzalloc(sizeof(*config_ps), GFP_KERNEL);
+	if (!config_ps) {
+		ret = -ENOMEM;
+		goto out;
+	}
+
+	config_ps->exit_retries = wl->conf.conn.psm_exit_retries;
+	config_ps->enter_retries = wl->conf.conn.psm_entry_retries;
+	config_ps->null_data_rate = cpu_to_le32(wl->basic_rate);
+
+	ret = wl1271_cmd_configure(wl, ACX_CONFIG_PS, config_ps,
+				   sizeof(*config_ps));
+
+	if (ret < 0) {
+		wl1271_warning("acx config ps failed: %d", ret);
+		goto out;
+	}
+
+out:
+	kfree(config_ps);
+	return ret;
+}

drivers/net/wireless/wl12xx/acx.h

@@ -1136,6 +1136,15 @@ struct wl1271_acx_max_tx_retry {
 	u8 padding_1[2];
 } __packed;
 
+struct wl1271_acx_config_ps {
+	struct acx_header header;
+
+	u8 exit_retries;
+	u8 enter_retries;
+	u8 padding[2];
+	__le32 null_data_rate;
+} __packed;
+
 enum {
 	ACX_WAKE_UP_CONDITIONS      = 0x0002,
 	ACX_MEM_CFG                 = 0x0003,
@@ -1200,6 +1209,7 @@ enum {
 	DOT11_RTS_THRESHOLD         = 0x1013,
 	DOT11_GROUP_ADDRESS_TBL     = 0x1014,
 	ACX_PM_CONFIG               = 0x1016,
+	ACX_CONFIG_PS               = 0x1017,
 
 	MAX_DOT11_IE = DOT11_GROUP_ADDRESS_TBL,
 
@@ -1269,5 +1279,6 @@ int wl1271_acx_set_ba_receiver_session(struct wl1271 *wl, u8 tid_index, u16 ssn,
 				       bool enable);
 int wl1271_acx_tsf_info(struct wl1271 *wl, u64 *mactime);
 int wl1271_acx_max_tx_retry(struct wl1271 *wl);
+int wl1271_acx_config_ps(struct wl1271 *wl);
 
 #endif /* __WL1271_ACX_H__ */

drivers/net/wireless/wl12xx/conf.h

@@ -959,6 +959,14 @@ struct conf_conn_settings {
 	 */
 	u8 psm_entry_retries;
 
+	/*
+	 * Specifies the maximum number of times to try PSM exit if it fails
+	 * (if sending the appropriate null-func message fails.)
+	 *
+	 * Range 0 - 255
+	 */
+	u8 psm_exit_retries;
+
 	/*
 	 * Specifies the maximum number of times to try transmit the PSM entry
 	 * null-func frame for each PSM entry attempt

drivers/net/wireless/wl12xx/main.c

@@ -256,6 +256,7 @@ static struct conf_drv_settings default_conf = {
 		.bet_enable                  = CONF_BET_MODE_ENABLE,
 		.bet_max_consecutive         = 10,
 		.psm_entry_retries           = 5,
+		.psm_exit_retries            = 255,
 		.psm_entry_nullfunc_retries  = 3,
 		.psm_entry_hangover_period   = 1,
 		.keep_alive_interval         = 55000,