Merge branch 'for-linville' of git://git.kernel.org/pub/scm/linux/ker…

…nel/git/luca/wl12xx

drivers/net/wireless/wl12xx/acx.c

@@ -90,7 +90,7 @@ int wl1271_acx_tx_power(struct wl1271 *wl, int power)
 	struct acx_current_tx_power *acx;
 	int ret;
 
-	wl1271_debug(DEBUG_ACX, "acx dot11_cur_tx_pwr");
+	wl1271_debug(DEBUG_ACX, "acx dot11_cur_tx_pwr %d", power);
 
 	if (power < 0 || power > 25)
 		return -EINVAL;
@@ -1624,22 +1624,22 @@ int wl1271_acx_ps_rx_streaming(struct wl1271 *wl, bool enable)
 	return ret;
 }
 
-int wl1271_acx_max_tx_retry(struct wl1271 *wl)
+int wl1271_acx_ap_max_tx_retry(struct wl1271 *wl)
 {
-	struct wl1271_acx_max_tx_retry *acx = NULL;
+	struct wl1271_acx_ap_max_tx_retry *acx = NULL;
 	int ret;
 
-	wl1271_debug(DEBUG_ACX, "acx max tx retry");
+	wl1271_debug(DEBUG_ACX, "acx ap max tx retry");
 
 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
 	if (!acx)
 		return -ENOMEM;
 
-	acx->max_tx_retry = cpu_to_le16(wl->conf.tx.ap_max_tx_retries);
+	acx->max_tx_retry = cpu_to_le16(wl->conf.tx.max_tx_retries);
 
 	ret = wl1271_cmd_configure(wl, ACX_MAX_TX_FAILURE, acx, sizeof(*acx));
 	if (ret < 0) {
-		wl1271_warning("acx max tx retry failed: %d", ret);
+		wl1271_warning("acx ap max tx retry failed: %d", ret);
 		goto out;
 	}
 

drivers/net/wireless/wl12xx/acx.h

@@ -1168,7 +1168,7 @@ struct wl1271_acx_ps_rx_streaming {
 	u8 timeout;
 } __packed;
 
-struct wl1271_acx_max_tx_retry {
+struct wl1271_acx_ap_max_tx_retry {
 	struct acx_header header;
 
 	/*
@@ -1400,7 +1400,7 @@ 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_ps_rx_streaming(struct wl1271 *wl, bool enable);
-int wl1271_acx_max_tx_retry(struct wl1271 *wl);
+int wl1271_acx_ap_max_tx_retry(struct wl1271 *wl);
 int wl1271_acx_config_ps(struct wl1271 *wl);
 int wl1271_acx_set_inconnection_sta(struct wl1271 *wl, u8 *addr);
 int wl1271_acx_set_ap_beacon_filter(struct wl1271 *wl, bool enable);

drivers/net/wireless/wl12xx/boot.c

@@ -513,7 +513,9 @@ static int wl1271_boot_run_firmware(struct wl1271 *wl)
 		PERIODIC_SCAN_COMPLETE_EVENT_ID;
 
 	if (wl->bss_type == BSS_TYPE_AP_BSS)
-		wl->event_mask |= STA_REMOVE_COMPLETE_EVENT_ID;
+		wl->event_mask |= STA_REMOVE_COMPLETE_EVENT_ID |
+				  INACTIVE_STA_EVENT_ID |
+				  MAX_TX_RETRY_EVENT_ID;
 	else
 		wl->event_mask |= DUMMY_PACKET_EVENT_ID |
 			BA_SESSION_RX_CONSTRAINT_EVENT_ID;

drivers/net/wireless/wl12xx/cmd.c

@@ -400,10 +400,6 @@ int wl1271_cmd_join(struct wl1271 *wl, u8 bss_type)
 
 	join->ctrl |= wl->session_counter << WL1271_JOIN_CMD_TX_SESSION_OFFSET;
 
-	/* reset TX security counters */
-	wl->tx_security_last_seq = 0;
-	wl->tx_security_seq = 0;
-
 	wl1271_debug(DEBUG_CMD, "cmd join: basic_rate_set=0x%x, rate_set=0x%x",
 		join->basic_rate_set, join->supported_rate_set);
 
@@ -1084,7 +1080,7 @@ int wl1271_cmd_start_bss(struct wl1271 *wl)
 
 	memcpy(cmd->bssid, bss_conf->bssid, ETH_ALEN);
 
-	cmd->aging_period = cpu_to_le16(WL1271_AP_DEF_INACTIV_SEC);
+	cmd->aging_period = cpu_to_le16(wl->conf.tx.ap_aging_period);
 	cmd->bss_index = WL1271_AP_BSS_INDEX;
 	cmd->global_hlid = WL1271_AP_GLOBAL_HLID;
 	cmd->broadcast_hlid = WL1271_AP_BROADCAST_HLID;

drivers/net/wireless/wl12xx/conf.h

@@ -713,8 +713,16 @@ struct conf_tx_settings {
 	/*
 	 * AP-mode - allow this number of TX retries to a station before an
 	 * event is triggered from FW.
+	 * In AP-mode the hlids of unreachable stations are given in the
+	 * "sta_tx_retry_exceeded" member in the event mailbox.
 	 */
-	u16 ap_max_tx_retries;
+	u8 max_tx_retries;
+
+	/*
+	 * AP-mode - after this number of seconds a connected station is
+	 * considered inactive.
+	 */
+	u16 ap_aging_period;
 
 	/*
 	 * Configuration for TID parameters.

drivers/net/wireless/wl12xx/debugfs.c

@@ -30,6 +30,7 @@
 #include "acx.h"
 #include "ps.h"
 #include "io.h"
+#include "tx.h"
 
 /* ms */
 #define WL1271_DEBUGFS_STATS_LIFETIME 1000
@@ -233,7 +234,7 @@ static ssize_t tx_queue_len_read(struct file *file, char __user *userbuf,
 	char buf[20];
 	int res;
 
-	queue_len = wl->tx_queue_count;
+	queue_len = wl1271_tx_total_queue_count(wl);
 
 	res = scnprintf(buf, sizeof(buf), "%u\n", queue_len);
 	return simple_read_from_buffer(userbuf, count, ppos, buf, res);
@@ -338,18 +339,24 @@ static ssize_t driver_state_read(struct file *file, char __user *user_buf,
 #define DRIVER_STATE_PRINT_HEX(x)  DRIVER_STATE_PRINT(x, "0x%x")
 
 	DRIVER_STATE_PRINT_INT(tx_blocks_available);
-	DRIVER_STATE_PRINT_INT(tx_allocated_blocks);
+	DRIVER_STATE_PRINT_INT(tx_allocated_blocks[0]);
+	DRIVER_STATE_PRINT_INT(tx_allocated_blocks[1]);
+	DRIVER_STATE_PRINT_INT(tx_allocated_blocks[2]);
+	DRIVER_STATE_PRINT_INT(tx_allocated_blocks[3]);
 	DRIVER_STATE_PRINT_INT(tx_frames_cnt);
 	DRIVER_STATE_PRINT_LHEX(tx_frames_map[0]);
-	DRIVER_STATE_PRINT_INT(tx_queue_count);
+	DRIVER_STATE_PRINT_INT(tx_queue_count[0]);
+	DRIVER_STATE_PRINT_INT(tx_queue_count[1]);
+	DRIVER_STATE_PRINT_INT(tx_queue_count[2]);
+	DRIVER_STATE_PRINT_INT(tx_queue_count[3]);
 	DRIVER_STATE_PRINT_INT(tx_packets_count);
 	DRIVER_STATE_PRINT_INT(tx_results_count);
 	DRIVER_STATE_PRINT_LHEX(flags);
 	DRIVER_STATE_PRINT_INT(tx_blocks_freed[0]);
 	DRIVER_STATE_PRINT_INT(tx_blocks_freed[1]);
 	DRIVER_STATE_PRINT_INT(tx_blocks_freed[2]);
 	DRIVER_STATE_PRINT_INT(tx_blocks_freed[3]);
-	DRIVER_STATE_PRINT_INT(tx_security_last_seq);
+	DRIVER_STATE_PRINT_INT(tx_security_last_seq_lsb);
 	DRIVER_STATE_PRINT_INT(rx_counter);
 	DRIVER_STATE_PRINT_INT(session_counter);
 	DRIVER_STATE_PRINT_INT(state);

drivers/net/wireless/wl12xx/event.c

@@ -214,6 +214,8 @@ static int wl1271_event_process(struct wl1271 *wl, struct event_mailbox *mbox)
 	u32 vector;
 	bool beacon_loss = false;
 	bool is_ap = (wl->bss_type == BSS_TYPE_AP_BSS);
+	bool disconnect_sta = false;
+	unsigned long sta_bitmap = 0;
 
 	wl1271_event_mbox_dump(mbox);
 
@@ -295,6 +297,46 @@ static int wl1271_event_process(struct wl1271 *wl, struct event_mailbox *mbox)
 			wl1271_tx_dummy_packet(wl);
 	}
 
+	/*
+	 * "TX retries exceeded" has a different meaning according to mode.
+	 * In AP mode the offending station is disconnected.
+	 */
+	if ((vector & MAX_TX_RETRY_EVENT_ID) && is_ap) {
+		wl1271_debug(DEBUG_EVENT, "MAX_TX_RETRY_EVENT_ID");
+		sta_bitmap |= le16_to_cpu(mbox->sta_tx_retry_exceeded);
+		disconnect_sta = true;
+	}
+
+	if ((vector & INACTIVE_STA_EVENT_ID) && is_ap) {
+		wl1271_debug(DEBUG_EVENT, "INACTIVE_STA_EVENT_ID");
+		sta_bitmap |= le16_to_cpu(mbox->sta_aging_status);
+		disconnect_sta = true;
+	}
+
+	if (is_ap && disconnect_sta) {
+		u32 num_packets = wl->conf.tx.max_tx_retries;
+		struct ieee80211_sta *sta;
+		const u8 *addr;
+		int h;
+
+		for (h = find_first_bit(&sta_bitmap, AP_MAX_LINKS);
+		     h < AP_MAX_LINKS;
+		     h = find_next_bit(&sta_bitmap, AP_MAX_LINKS, h+1)) {
+			if (!wl1271_is_active_sta(wl, h))
+				continue;
+
+			addr = wl->links[h].addr;
+
+			rcu_read_lock();
+			sta = ieee80211_find_sta(wl->vif, addr);
+			if (sta) {
+				wl1271_debug(DEBUG_EVENT, "remove sta %d", h);
+				ieee80211_report_low_ack(sta, num_packets);
+			}
+			rcu_read_unlock();
+		}
+	}
+
 	if (wl->vif && beacon_loss)
 		ieee80211_connection_loss(wl->vif);
 

drivers/net/wireless/wl12xx/event.h

@@ -58,13 +58,16 @@ enum {
 	CHANNEL_SWITCH_COMPLETE_EVENT_ID	 = BIT(17),
 	BSS_LOSE_EVENT_ID			 = BIT(18),
 	REGAINED_BSS_EVENT_ID			 = BIT(19),
-	ROAMING_TRIGGER_MAX_TX_RETRY_EVENT_ID	 = BIT(20),
+	MAX_TX_RETRY_EVENT_ID			 = BIT(20),
 	/* STA: dummy paket for dynamic mem blocks */
 	DUMMY_PACKET_EVENT_ID                    = BIT(21),
 	/* AP: STA remove complete */
 	STA_REMOVE_COMPLETE_EVENT_ID             = BIT(21),
 	SOFT_GEMINI_SENSE_EVENT_ID		 = BIT(22),
+	/* STA: SG prediction */
 	SOFT_GEMINI_PREDICTION_EVENT_ID		 = BIT(23),
+	/* AP: Inactive STA */
+	INACTIVE_STA_EVENT_ID			 = BIT(23),
 	SOFT_GEMINI_AVALANCHE_EVENT_ID		 = BIT(24),
 	PLT_RX_CALIBRATION_COMPLETE_EVENT_ID	 = BIT(25),
 	DBG_EVENT_ID				 = BIT(26),
@@ -119,7 +122,11 @@ struct event_mailbox {
 
 	/* AP FW only */
 	u8 hlid_removed;
+
+	/* a bitmap of hlids for stations that have been inactive too long */
 	__le16 sta_aging_status;
+
+	/* a bitmap of hlids for stations which didn't respond to TX */
 	__le16 sta_tx_retry_exceeded;
 
 	/*
@@ -143,4 +150,7 @@ void wl1271_event_mbox_config(struct wl1271 *wl);
 int wl1271_event_handle(struct wl1271 *wl, u8 mbox);
 void wl1271_pspoll_work(struct work_struct *work);
 
+/* Functions from main.c */
+bool wl1271_is_active_sta(struct wl1271 *wl, u8 hlid);
+
 #endif

drivers/net/wireless/wl12xx/init.c

@@ -447,14 +447,19 @@ static int wl1271_ap_hw_init(struct wl1271 *wl)
 	if (ret < 0)
 		return ret;
 
-	ret = wl1271_acx_max_tx_retry(wl);
+	ret = wl1271_acx_ap_max_tx_retry(wl);
 	if (ret < 0)
 		return ret;
 
 	ret = wl1271_acx_ap_mem_cfg(wl);
 	if (ret < 0)
 		return ret;
 
+	/* initialize Tx power */
+	ret = wl1271_acx_tx_power(wl, wl->power_level);
+	if (ret < 0)
+		return ret;
+
 	return 0;
 }