9 files changed, 109 insertions, 81 deletions

diff --git a/drivers/net/wireless/wl12xx/acx.c b/drivers/net/wireless/wl12xx/acx.c
index 5b70cc19e1d4..21e74ca4ddb2 100644
--- a/drivers/net/wireless/wl12xx/acx.c
+++ b/drivers/net/wireless/wl12xx/acx.c
@@ -1510,10 +1510,9 @@ out:
         return ret;
 }
 
-int wl1271_acx_ps_rx_streaming(struct wl1271 *wl, bool enable)
+int wl1271_acx_ps_rx_streaming(struct wl1271 *wl, struct wl12xx_vif *wlvif,
+                               bool enable)
 {
-        struct ieee80211_vif *vif = wl->vif; /* TODO: get as param */
-        struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif);
         struct wl1271_acx_ps_rx_streaming *rx_streaming;
         u32 conf_queues, enable_queues;
         int i, ret = 0;
diff --git a/drivers/net/wireless/wl12xx/acx.h b/drivers/net/wireless/wl12xx/acx.h
index 7fccfcc55ca0..c06119b053e3 100644
--- a/drivers/net/wireless/wl12xx/acx.h
+++ b/drivers/net/wireless/wl12xx/acx.h
@@ -1310,7 +1310,8 @@ int wl12xx_acx_set_ba_initiator_policy(struct wl1271 *wl,
 int wl12xx_acx_set_ba_receiver_session(struct wl1271 *wl, u8 tid_index,
                                        u16 ssn, bool enable, u8 peer_hlid);
 int wl1271_acx_tsf_info(struct wl1271 *wl, u64 *mactime);
-int wl1271_acx_ps_rx_streaming(struct wl1271 *wl, bool enable);
+int wl1271_acx_ps_rx_streaming(struct wl1271 *wl, struct wl12xx_vif *wlvif,
+                               bool enable);
 int wl1271_acx_ap_max_tx_retry(struct wl1271 *wl, struct wl12xx_vif *wlvif);
 int wl12xx_acx_config_ps(struct wl1271 *wl, struct wl12xx_vif *wlvif);
 int wl1271_acx_set_inconnection_sta(struct wl1271 *wl, u8 *addr);
diff --git a/drivers/net/wireless/wl12xx/debugfs.c b/drivers/net/wireless/wl12xx/debugfs.c
index 669b081848e8..4abff8274ac3 100644
--- a/drivers/net/wireless/wl12xx/debugfs.c
+++ b/drivers/net/wireless/wl12xx/debugfs.c
@@ -505,6 +505,7 @@ static ssize_t rx_streaming_interval_write(struct file *file,
                            size_t count, loff_t *ppos)
 {
         struct wl1271 *wl = file->private_data;
+        struct wl12xx_vif *wlvif;
         unsigned long value;
         int ret;
 
@@ -528,7 +529,9 @@ static ssize_t rx_streaming_interval_write(struct file *file,
         if (ret < 0)
                 goto out;
 
-        wl1271_recalc_rx_streaming(wl);
+        wl12xx_for_each_wlvif_sta(wl, wlvif) {
+                wl1271_recalc_rx_streaming(wl, wlvif);
+        }
 
         wl1271_ps_elp_sleep(wl);
 out:
@@ -557,6 +560,7 @@ static ssize_t rx_streaming_always_write(struct file *file,
                            size_t count, loff_t *ppos)
 {
         struct wl1271 *wl = file->private_data;
+        struct wl12xx_vif *wlvif;
         unsigned long value;
         int ret;
 
@@ -580,7 +584,9 @@ static ssize_t rx_streaming_always_write(struct file *file,
         if (ret < 0)
                 goto out;
 
-        wl1271_recalc_rx_streaming(wl);
+        wl12xx_for_each_wlvif_sta(wl, wlvif) {
+                wl1271_recalc_rx_streaming(wl, wlvif);
+        }
 
         wl1271_ps_elp_sleep(wl);
 out:
diff --git a/drivers/net/wireless/wl12xx/event.c b/drivers/net/wireless/wl12xx/event.c
index dbc40bb49bcd..be9e1121c8f8 100644
--- a/drivers/net/wireless/wl12xx/event.c
+++ b/drivers/net/wireless/wl12xx/event.c
@@ -220,12 +220,12 @@ static void wl12xx_event_soft_gemini_sense(struct wl1271 *wl,
                 }
                 set_bit(WL1271_FLAG_SOFT_GEMINI, &wl->flags);
         } else {
+                clear_bit(WL1271_FLAG_SOFT_GEMINI, &wl->flags);
                 wl12xx_for_each_wlvif_sta(wl, wlvif) {
                         vif = wl12xx_wlvif_to_vif(wlvif);
                         ieee80211_enable_dyn_ps(vif);
+                        wl1271_recalc_rx_streaming(wl, wlvif);
                 }
-                clear_bit(WL1271_FLAG_SOFT_GEMINI, &wl->flags);
-                wl1271_recalc_rx_streaming(wl);
         }
 
 }
diff --git a/drivers/net/wireless/wl12xx/main.c b/drivers/net/wireless/wl12xx/main.c
index 8d87df53bbec..5ce01f1379a4 100644
--- a/drivers/net/wireless/wl12xx/main.c
+++ b/drivers/net/wireless/wl12xx/main.c
@@ -502,12 +502,13 @@ static int wl1271_reg_notify(struct wiphy *wiphy,
         return 0;
 }
 
-static int wl1271_set_rx_streaming(struct wl1271 *wl, bool enable)
+static int wl1271_set_rx_streaming(struct wl1271 *wl, struct wl12xx_vif *wlvif,
+                                   bool enable)
 {
         int ret = 0;
 
         /* we should hold wl->mutex */
-        ret = wl1271_acx_ps_rx_streaming(wl, enable);
+        ret = wl1271_acx_ps_rx_streaming(wl, wlvif, enable);
         if (ret < 0)
                 goto out;
 
@@ -523,7 +524,7 @@ out:
  * this function is being called when the rx_streaming interval
  * has beed changed or rx_streaming should be disabled
  */
-int wl1271_recalc_rx_streaming(struct wl1271 *wl)
+int wl1271_recalc_rx_streaming(struct wl1271 *wl, struct wl12xx_vif *wlvif)
 {
         int ret = 0;
         int period = wl->conf.rx_streaming.interval;
@@ -537,11 +538,11 @@ int wl1271_recalc_rx_streaming(struct wl1271 *wl)
             test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags) &&
             (wl->conf.rx_streaming.always ||
              test_bit(WL1271_FLAG_SOFT_GEMINI, &wl->flags)))
-                ret = wl1271_set_rx_streaming(wl, true);
+                ret = wl1271_set_rx_streaming(wl, wlvif, true);
         else {
-                ret = wl1271_set_rx_streaming(wl, false);
+                ret = wl1271_set_rx_streaming(wl, wlvif, false);
                 /* don't cancel_work_sync since we might deadlock */
-                del_timer_sync(&wl->rx_streaming_timer);
+                del_timer_sync(&wlvif->rx_streaming_timer);
         }
 out:
         return ret;
@@ -550,8 +551,9 @@ out:
 static void wl1271_rx_streaming_enable_work(struct work_struct *work)
 {
         int ret;
-        struct wl1271 *wl =
-                container_of(work, struct wl1271, rx_streaming_enable_work);
+        struct wl12xx_vif *wlvif = container_of(work, struct wl12xx_vif,
+                                                rx_streaming_enable_work);
+        struct wl1271 *wl = wlvif->wl;
 
         mutex_lock(&wl->mutex);
 
@@ -568,12 +570,12 @@ static void wl1271_rx_streaming_enable_work(struct work_struct *work)
         if (ret < 0)
                 goto out;
 
-        ret = wl1271_set_rx_streaming(wl, true);
+        ret = wl1271_set_rx_streaming(wl, wlvif, true);
         if (ret < 0)
                 goto out_sleep;
 
         /* stop it after some time of inactivity */
-        mod_timer(&wl->rx_streaming_timer,
+        mod_timer(&wlvif->rx_streaming_timer,
                   jiffies + msecs_to_jiffies(wl->conf.rx_streaming.duration));
 
 out_sleep:
@@ -585,8 +587,9 @@ out:
 static void wl1271_rx_streaming_disable_work(struct work_struct *work)
 {
         int ret;
-        struct wl1271 *wl =
-                container_of(work, struct wl1271, rx_streaming_disable_work);
+        struct wl12xx_vif *wlvif = container_of(work, struct wl12xx_vif,
+                                                rx_streaming_disable_work);
+        struct wl1271 *wl = wlvif->wl;
 
         mutex_lock(&wl->mutex);
 
@@ -597,7 +600,7 @@ static void wl1271_rx_streaming_disable_work(struct work_struct *work)
         if (ret < 0)
                 goto out;
 
-        ret = wl1271_set_rx_streaming(wl, false);
+        ret = wl1271_set_rx_streaming(wl, wlvif, false);
         if (ret)
                 goto out_sleep;
 
@@ -609,8 +612,9 @@ out:
 
 static void wl1271_rx_streaming_timer(unsigned long data)
 {
-        struct wl1271 *wl = (struct wl1271 *)data;
-        ieee80211_queue_work(wl->hw, &wl->rx_streaming_disable_work);
+        struct wl12xx_vif *wlvif = (struct wl12xx_vif *)data;
+        struct wl1271 *wl = wlvif->wl;
+        ieee80211_queue_work(wl->hw, &wlvif->rx_streaming_disable_work);
 }
 
 static void wl1271_conf_init(struct wl1271 *wl)
@@ -1827,9 +1831,6 @@ static void wl1271_op_stop(struct ieee80211_hw *hw)
         cancel_delayed_work_sync(&wl->scan_complete_work);
         cancel_work_sync(&wl->netstack_work);
         cancel_work_sync(&wl->tx_work);
-        del_timer_sync(&wl->rx_streaming_timer);
-        cancel_work_sync(&wl->rx_streaming_enable_work);
-        cancel_work_sync(&wl->rx_streaming_disable_work);
         cancel_delayed_work_sync(&wl->elp_work);
 
         /* let's notify MAC80211 about the remaining pending TX frames */
@@ -1960,9 +1961,16 @@ static int wl12xx_init_vif_data(struct wl1271 *wl, struct ieee80211_vif *vif)
         wlvif->rate_set = CONF_TX_RATE_MASK_BASIC;
         wlvif->beacon_int = WL1271_DEFAULT_BEACON_INT;
 
+        INIT_WORK(&wlvif->rx_streaming_enable_work,
+                  wl1271_rx_streaming_enable_work);
+        INIT_WORK(&wlvif->rx_streaming_disable_work,
+                  wl1271_rx_streaming_disable_work);
         INIT_DELAYED_WORK(&wlvif->pspoll_work, wl1271_pspoll_work);
         INIT_LIST_HEAD(&wlvif->list);
 
+        setup_timer(&wlvif->rx_streaming_timer, wl1271_rx_streaming_timer,
+                    (unsigned long) wlvif);
+
         return 0;
 }
 
@@ -2203,6 +2211,9 @@ deinit:
                 wl->sta_count--;
 
         mutex_unlock(&wl->mutex);
+        del_timer_sync(&wlvif->rx_streaming_timer);
+        cancel_work_sync(&wlvif->rx_streaming_enable_work);
+        cancel_work_sync(&wlvif->rx_streaming_disable_work);
         cancel_delayed_work_sync(&wlvif->pspoll_work);
 
         mutex_lock(&wl->mutex);
@@ -4903,10 +4914,6 @@ struct ieee80211_hw *wl1271_alloc_hw(void)
         INIT_WORK(&wl->tx_work, wl1271_tx_work);
         INIT_WORK(&wl->recovery_work, wl1271_recovery_work);
         INIT_DELAYED_WORK(&wl->scan_complete_work, wl1271_scan_complete_work);
-        INIT_WORK(&wl->rx_streaming_enable_work,
-                  wl1271_rx_streaming_enable_work);
-        INIT_WORK(&wl->rx_streaming_disable_work,
-                  wl1271_rx_streaming_disable_work);
 
         wl->freezable_wq = create_freezable_workqueue("wl12xx_wq");
         if (!wl->freezable_wq) {
@@ -4930,8 +4937,6 @@ struct ieee80211_hw *wl1271_alloc_hw(void)
         wl->tx_spare_blocks = TX_HW_BLOCK_SPARE_DEFAULT;
         wl->system_hlid = WL12XX_SYSTEM_HLID;
         wl->active_sta_count = 0;
-        setup_timer(&wl->rx_streaming_timer, wl1271_rx_streaming_timer,
-                    (unsigned long) wl);
         wl->fwlog_size = 0;
         init_waitqueue_head(&wl->fwlog_waitq);
 
diff --git a/drivers/net/wireless/wl12xx/rx.c b/drivers/net/wireless/wl12xx/rx.c
index 9cfa0b25a6f8..dd2f8b714a7f 100644
--- a/drivers/net/wireless/wl12xx/rx.c
+++ b/drivers/net/wireless/wl12xx/rx.c
@@ -28,6 +28,7 @@
 #include "acx.h"
 #include "reg.h"
 #include "rx.h"
+#include "tx.h"
 #include "io.h"
 
 static u8 wl12xx_rx_get_mem_block(struct wl12xx_fw_status *status,
@@ -96,7 +97,7 @@ static void wl1271_rx_status(struct wl1271 *wl,
 }
 
 static int wl1271_rx_handle_data(struct wl1271 *wl, u8 *data, u32 length,
-                                 bool unaligned)
+                                 bool unaligned, u8 *hlid)
 {
         struct wl1271_rx_descriptor *desc;
         struct sk_buff *skb;
@@ -159,6 +160,7 @@ static int wl1271_rx_handle_data(struct wl1271 *wl, u8 *data, u32 length,
          * payload aligned to 4 bytes.
          */
         memcpy(buf, data + sizeof(*desc), length - sizeof(*desc));
+        *hlid = desc->hlid;
 
         hdr = (struct ieee80211_hdr *)skb->data;
         if (ieee80211_is_beacon(hdr->frame_control))
@@ -169,10 +171,10 @@ static int wl1271_rx_handle_data(struct wl1271 *wl, u8 *data, u32 length,
         wl1271_rx_status(wl, desc, IEEE80211_SKB_RXCB(skb), beacon);
 
         seq_num = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;
-        wl1271_debug(DEBUG_RX, "rx skb 0x%p: %d B %s seq %d", skb,
+        wl1271_debug(DEBUG_RX, "rx skb 0x%p: %d B %s seq %d hlid %d", skb,
                      skb->len - desc->pad_len,
                      beacon ? "beacon" : "",
-                     seq_num);
+                     seq_num, *hlid);
 
         skb_trim(skb, skb->len - desc->pad_len);
 
@@ -185,8 +187,7 @@ static int wl1271_rx_handle_data(struct wl1271 *wl, u8 *data, u32 length,
 void wl12xx_rx(struct wl1271 *wl, struct wl12xx_fw_status *status)
 {
         struct wl1271_acx_mem_map *wl_mem_map = wl->target_mem_map;
-        struct ieee80211_vif *vif = wl->vif; /* TODO: get as param */
-        struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif);
+        unsigned long active_hlids[BITS_TO_LONGS(WL12XX_MAX_LINKS)] = {0};
         u32 buf_size;
         u32 fw_rx_counter  = status->fw_rx_counter & NUM_RX_PKT_DESC_MOD_MASK;
         u32 drv_rx_counter = wl->rx_counter & NUM_RX_PKT_DESC_MOD_MASK;
@@ -194,8 +195,7 @@ void wl12xx_rx(struct wl1271 *wl, struct wl12xx_fw_status *status)
         u32 mem_block;
         u32 pkt_length;
         u32 pkt_offset;
-        bool is_ap = (wlvif->bss_type == BSS_TYPE_AP_BSS);
-        bool had_data = false;
+        u8 hlid;
         bool unaligned = false;
 
         while (drv_rx_counter != fw_rx_counter) {
@@ -255,8 +255,11 @@ void wl12xx_rx(struct wl1271 *wl, struct wl12xx_fw_status *status)
                          */
                         if (wl1271_rx_handle_data(wl,
                                                   wl->aggr_buf + pkt_offset,
-                                                  pkt_length, unaligned) == 1)
-                                had_data = true;
+                                                  pkt_length, unaligned,
+                                                  &hlid) == 1) {
+                                WARN_ON(hlid >= WL12XX_MAX_LINKS);
+                                __set_bit(hlid, active_hlids);
+                        }
 
                         wl->rx_counter++;
                         drv_rx_counter++;
@@ -272,17 +275,5 @@ void wl12xx_rx(struct wl1271 *wl, struct wl12xx_fw_status *status)
         if (wl->quirks & WL12XX_QUIRK_END_OF_TRANSACTION)
                 wl1271_write32(wl, RX_DRIVER_COUNTER_ADDRESS, wl->rx_counter);
 
-        if (!is_ap && wl->conf.rx_streaming.interval && had_data &&
-            (wl->conf.rx_streaming.always ||
-             test_bit(WL1271_FLAG_SOFT_GEMINI, &wl->flags))) {
-                u32 timeout = wl->conf.rx_streaming.duration;
-
-                /* restart rx streaming */
-                if (!test_bit(WL1271_FLAG_RX_STREAMING_STARTED, &wl->flags))
-                        ieee80211_queue_work(wl->hw,
-                                             &wl->rx_streaming_enable_work);
-
-                mod_timer(&wl->rx_streaming_timer,
-                          jiffies + msecs_to_jiffies(timeout));
-        }
+        wl12xx_rearm_rx_streaming(wl, active_hlids);
 }
diff --git a/drivers/net/wireless/wl12xx/tx.c b/drivers/net/wireless/wl12xx/tx.c
index 8c35d37ba600..a06aa4e8df7b 100644
--- a/drivers/net/wireless/wl12xx/tx.c
+++ b/drivers/net/wireless/wl12xx/tx.c
@@ -643,21 +643,58 @@ static bool wl1271_tx_is_data_present(struct sk_buff *skb)
         return ieee80211_is_data_present(hdr->frame_control);
 }
 
+void wl12xx_rearm_rx_streaming(struct wl1271 *wl, unsigned long *active_hlids)
+{
+        struct wl12xx_vif *wlvif;
+        u32 timeout;
+        u8 hlid;
+
+        if (!wl->conf.rx_streaming.interval)
+                return;
+
+        if (!wl->conf.rx_streaming.always &&
+            !test_bit(WL1271_FLAG_SOFT_GEMINI, &wl->flags))
+                return;
+
+        timeout = wl->conf.rx_streaming.duration;
+        wl12xx_for_each_wlvif_sta(wl, wlvif) {
+                bool found = false;
+                for_each_set_bit(hlid, active_hlids, WL12XX_MAX_LINKS) {
+                        if (test_bit(hlid, wlvif->links_map)) {
+                                found  = true;
+                                break;
+                        }
+                }
+
+                if (!found)
+                        continue;
+
+                /* enable rx streaming */
+                if (!test_bit(WL1271_FLAG_RX_STREAMING_STARTED, &wl->flags))
+                        ieee80211_queue_work(wl->hw,
+                                             &wlvif->rx_streaming_enable_work);
+
+                mod_timer(&wlvif->rx_streaming_timer,
+                          jiffies + msecs_to_jiffies(timeout));
+        }
+}
+
 void wl1271_tx_work_locked(struct wl1271 *wl)
 {
         struct wl12xx_vif *wlvif;
         struct sk_buff *skb;
+        struct wl1271_tx_hw_descr *desc;
         u32 buf_offset = 0;
         bool sent_packets = false;
-        bool had_data = false;
-        /* TODO: save bitmap of relevant stations */
-        bool is_sta = false;
+        unsigned long active_hlids[BITS_TO_LONGS(WL12XX_MAX_LINKS)] = {0};
         int ret;
 
         if (unlikely(wl->state == WL1271_STATE_OFF))
                 return;
 
         while ((skb = wl1271_skb_dequeue(wl))) {
+                bool has_data = false;
+
                 wlvif = NULL;
                 if (!wl12xx_is_dummy_packet(wl, skb)) {
                         struct ieee80211_tx_info *info;
@@ -667,9 +704,7 @@ void wl1271_tx_work_locked(struct wl1271 *wl)
                         vif = info->control.vif;
                         wlvif = wl12xx_vif_to_data(vif);
                 }
-
-                if (wl1271_tx_is_data_present(skb))
-                        had_data = true;
+                has_data = wlvif && wl1271_tx_is_data_present(skb);
 
                 ret = wl1271_prepare_tx_frame(wl, wlvif, skb, buf_offset);
                 if (ret == -EAGAIN) {
@@ -698,8 +733,10 @@ void wl1271_tx_work_locked(struct wl1271 *wl)
                 }
                 buf_offset += ret;
                 wl->tx_packets_count++;
-                if (wlvif && wlvif->bss_type == BSS_TYPE_STA_BSS)
-                        is_sta = true;
+                if (has_data) {
+                        desc = (struct wl1271_tx_hw_descr *) skb->data;
+                        __set_bit(desc->hlid, active_hlids);
+                }
         }
 
 out_ack:
@@ -719,19 +756,7 @@ out_ack:
 
                 wl1271_handle_tx_low_watermark(wl);
         }
-        if (is_sta && wl->conf.rx_streaming.interval && had_data &&
-            (wl->conf.rx_streaming.always ||
-             test_bit(WL1271_FLAG_SOFT_GEMINI, &wl->flags))) {
-                u32 timeout = wl->conf.rx_streaming.duration;
-
-                /* enable rx streaming */
-                if (!test_bit(WL1271_FLAG_RX_STREAMING_STARTED, &wl->flags))
-                        ieee80211_queue_work(wl->hw,
-                                             &wl->rx_streaming_enable_work);
-
-                mod_timer(&wl->rx_streaming_timer,
-                          jiffies + msecs_to_jiffies(timeout));
-        }
+        wl12xx_rearm_rx_streaming(wl, active_hlids);
 }
 
 void wl1271_tx_work(struct work_struct *work)
diff --git a/drivers/net/wireless/wl12xx/tx.h b/drivers/net/wireless/wl12xx/tx.h
index fe29ff524e9a..2dbb24e6d541 100644
--- a/drivers/net/wireless/wl12xx/tx.h
+++ b/drivers/net/wireless/wl12xx/tx.h
@@ -220,6 +220,7 @@ u8 wl12xx_tx_get_hlid(struct wl1271 *wl, struct wl12xx_vif *wlvif,
 void wl1271_tx_reset_link_queues(struct wl1271 *wl, u8 hlid);
 void wl1271_handle_tx_low_watermark(struct wl1271 *wl);
 bool wl12xx_is_dummy_packet(struct wl1271 *wl, struct sk_buff *skb);
+void wl12xx_rearm_rx_streaming(struct wl1271 *wl, unsigned long *active_hlids);
 
 /* from main.c */
 void wl1271_free_sta(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 hlid);
diff --git a/drivers/net/wireless/wl12xx/wl12xx.h b/drivers/net/wireless/wl12xx/wl12xx.h
index d58488598d11..52d1cd0ddb6f 100644
--- a/drivers/net/wireless/wl12xx/wl12xx.h
+++ b/drivers/net/wireless/wl12xx/wl12xx.h
@@ -480,11 +480,6 @@ struct wl1271 {
         /* The current band */
         enum ieee80211_band band;
 
-        /* Rx Streaming */
-        struct work_struct rx_streaming_enable_work;
-        struct work_struct rx_streaming_disable_work;
-        struct timer_list rx_streaming_timer;
-
         struct completion *elp_compl;
         struct delayed_work elp_work;
 
@@ -635,6 +630,11 @@ struct wl12xx_vif {
         bool ba_support;
         bool ba_allowed;
 
+        /* Rx Streaming */
+        struct work_struct rx_streaming_enable_work;
+        struct work_struct rx_streaming_disable_work;
+        struct timer_list rx_streaming_timer;
+
         /*
          * This struct must be last!
          * data that has to be saved acrossed reconfigs (e.g. recovery)
@@ -681,7 +681,7 @@ struct ieee80211_vif *wl12xx_wlvif_to_vif(struct wl12xx_vif *wlvif)
 
 int wl1271_plt_start(struct wl1271 *wl);
 int wl1271_plt_stop(struct wl1271 *wl);
-int wl1271_recalc_rx_streaming(struct wl1271 *wl);
+int wl1271_recalc_rx_streaming(struct wl1271 *wl, struct wl12xx_vif *wlvif);
 void wl12xx_queue_recovery_work(struct wl1271 *wl);
 size_t wl12xx_copy_fwlog(struct wl1271 *wl, u8 *memblock, size_t maxlen);