wlcore/wl12xx/wl18xx: simplify fw_status handling
authorEliad Peller <eliad@wizery.com>
Mon, 10 Feb 2014 11:47:21 +0000 (13:47 +0200)
committerJohn W. Linville <linville@tuxdriver.com>
Thu, 13 Feb 2014 20:20:15 +0000 (15:20 -0500)
Instead of splitting the fw_status into 2 and using some
complex calculations, read the fw status and let each low-level
driver (wl12xx/wl18xx) convert it into a common struct.

This is required for the upcoming fw api changes, which
break the current logic anyway.

Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
12 files changed:
drivers/net/wireless/ti/wl12xx/main.c
drivers/net/wireless/ti/wl12xx/wl12xx.h
drivers/net/wireless/ti/wl18xx/main.c
drivers/net/wireless/ti/wl18xx/tx.c
drivers/net/wireless/ti/wl18xx/wl18xx.h
drivers/net/wireless/ti/wlcore/cmd.c
drivers/net/wireless/ti/wlcore/hw_ops.h
drivers/net/wireless/ti/wlcore/main.c
drivers/net/wireless/ti/wlcore/rx.c
drivers/net/wireless/ti/wlcore/rx.h
drivers/net/wireless/ti/wlcore/wlcore.h
drivers/net/wireless/ti/wlcore/wlcore_i.h

index be7129b..3ad8767 100644 (file)
@@ -1378,7 +1378,7 @@ static u32 wl12xx_get_rx_packet_len(struct wl1271 *wl, void *rx_data,
 
 static int wl12xx_tx_delayed_compl(struct wl1271 *wl)
 {
-       if (wl->fw_status_1->tx_results_counter ==
+       if (wl->fw_status->tx_results_counter ==
            (wl->tx_results_count & 0xff))
                return 0;
 
@@ -1438,6 +1438,37 @@ out:
        return ret;
 }
 
+static void wl12xx_convert_fw_status(struct wl1271 *wl, void *raw_fw_status,
+                                    struct wl_fw_status *fw_status)
+{
+       struct wl12xx_fw_status *int_fw_status = raw_fw_status;
+
+       fw_status->intr = le32_to_cpu(int_fw_status->intr);
+       fw_status->fw_rx_counter = int_fw_status->fw_rx_counter;
+       fw_status->drv_rx_counter = int_fw_status->drv_rx_counter;
+       fw_status->tx_results_counter = int_fw_status->tx_results_counter;
+       fw_status->rx_pkt_descs = int_fw_status->rx_pkt_descs;
+
+       fw_status->fw_localtime = le32_to_cpu(int_fw_status->fw_localtime);
+       fw_status->link_ps_bitmap = le32_to_cpu(int_fw_status->link_ps_bitmap);
+       fw_status->link_fast_bitmap =
+                       le32_to_cpu(int_fw_status->link_fast_bitmap);
+       fw_status->total_released_blks =
+                       le32_to_cpu(int_fw_status->total_released_blks);
+       fw_status->tx_total = le32_to_cpu(int_fw_status->tx_total);
+
+       fw_status->counters.tx_released_pkts =
+                       int_fw_status->counters.tx_released_pkts;
+       fw_status->counters.tx_lnk_free_pkts =
+                       int_fw_status->counters.tx_lnk_free_pkts;
+       fw_status->counters.tx_voice_released_blks =
+                       int_fw_status->counters.tx_voice_released_blks;
+       fw_status->counters.tx_last_rate =
+                       int_fw_status->counters.tx_last_rate;
+
+       fw_status->log_start_addr = le32_to_cpu(int_fw_status->log_start_addr);
+}
+
 static u32 wl12xx_sta_get_ap_rate_mask(struct wl1271 *wl,
                                       struct wl12xx_vif *wlvif)
 {
@@ -1677,6 +1708,7 @@ static struct wlcore_ops wl12xx_ops = {
        .tx_delayed_compl       = wl12xx_tx_delayed_compl,
        .hw_init                = wl12xx_hw_init,
        .init_vif               = NULL,
+       .convert_fw_status      = wl12xx_convert_fw_status,
        .sta_get_ap_rate_mask   = wl12xx_sta_get_ap_rate_mask,
        .get_pg_ver             = wl12xx_get_pg_ver,
        .get_mac                = wl12xx_get_mac,
@@ -1725,6 +1757,7 @@ static int wl12xx_setup(struct wl1271 *wl)
        wl->band_rate_to_idx = wl12xx_band_rate_to_idx;
        wl->hw_tx_rate_tbl_size = WL12XX_CONF_HW_RXTX_RATE_MAX;
        wl->hw_min_ht_rate = WL12XX_CONF_HW_RXTX_RATE_MCS0;
+       wl->fw_status_len = sizeof(struct wl12xx_fw_status);
        wl->fw_status_priv_len = 0;
        wl->stats.fw_stats_len = sizeof(struct wl12xx_acx_statistics);
        wlcore_set_ht_cap(wl, IEEE80211_BAND_2GHZ, &wl12xx_ht_cap);
index 9e5484a..b9950f8 100644 (file)
@@ -79,4 +79,54 @@ struct wl12xx_priv {
        struct wl127x_rx_mem_pool_addr *rx_mem_addr;
 };
 
+struct wl12xx_fw_packet_counters {
+       /* Cumulative counter of released packets per AC */
+       u8 tx_released_pkts[NUM_TX_QUEUES];
+
+       /* Cumulative counter of freed packets per HLID */
+       u8 tx_lnk_free_pkts[WL12XX_MAX_LINKS];
+
+       /* Cumulative counter of released Voice memory blocks */
+       u8 tx_voice_released_blks;
+
+       /* Tx rate of the last transmitted packet */
+       u8 tx_last_rate;
+
+       u8 padding[2];
+} __packed;
+
+/* FW status registers */
+struct wl12xx_fw_status {
+       __le32 intr;
+       u8  fw_rx_counter;
+       u8  drv_rx_counter;
+       u8  reserved;
+       u8  tx_results_counter;
+       __le32 rx_pkt_descs[WL12XX_NUM_RX_DESCRIPTORS];
+
+       __le32 fw_localtime;
+
+       /*
+        * A bitmap (where each bit represents a single HLID)
+        * to indicate if the station is in PS mode.
+        */
+       __le32 link_ps_bitmap;
+
+       /*
+        * A bitmap (where each bit represents a single HLID) to indicate
+        * if the station is in Fast mode
+        */
+       __le32 link_fast_bitmap;
+
+       /* Cumulative counter of total released mem blocks since FW-reset */
+       __le32 total_released_blks;
+
+       /* Size (in Memory Blocks) of TX pool */
+       __le32 tx_total;
+
+       struct wl12xx_fw_packet_counters counters;
+
+       __le32 log_start_addr;
+} __packed;
+
 #endif /* __WL12XX_PRIV_H__ */
index ec37b16..cbf9bf3 100644 (file)
@@ -1133,6 +1133,39 @@ static int wl18xx_hw_init(struct wl1271 *wl)
        return ret;
 }
 
+static void wl18xx_convert_fw_status(struct wl1271 *wl, void *raw_fw_status,
+                                    struct wl_fw_status *fw_status)
+{
+       struct wl18xx_fw_status *int_fw_status = raw_fw_status;
+
+       fw_status->intr = le32_to_cpu(int_fw_status->intr);
+       fw_status->fw_rx_counter = int_fw_status->fw_rx_counter;
+       fw_status->drv_rx_counter = int_fw_status->drv_rx_counter;
+       fw_status->tx_results_counter = int_fw_status->tx_results_counter;
+       fw_status->rx_pkt_descs = int_fw_status->rx_pkt_descs;
+
+       fw_status->fw_localtime = le32_to_cpu(int_fw_status->fw_localtime);
+       fw_status->link_ps_bitmap = le32_to_cpu(int_fw_status->link_ps_bitmap);
+       fw_status->link_fast_bitmap =
+                       le32_to_cpu(int_fw_status->link_fast_bitmap);
+       fw_status->total_released_blks =
+                       le32_to_cpu(int_fw_status->total_released_blks);
+       fw_status->tx_total = le32_to_cpu(int_fw_status->tx_total);
+
+       fw_status->counters.tx_released_pkts =
+                       int_fw_status->counters.tx_released_pkts;
+       fw_status->counters.tx_lnk_free_pkts =
+                       int_fw_status->counters.tx_lnk_free_pkts;
+       fw_status->counters.tx_voice_released_blks =
+                       int_fw_status->counters.tx_voice_released_blks;
+       fw_status->counters.tx_last_rate =
+                       int_fw_status->counters.tx_last_rate;
+
+       fw_status->log_start_addr = le32_to_cpu(int_fw_status->log_start_addr);
+
+       fw_status->priv = &int_fw_status->priv;
+}
+
 static void wl18xx_set_tx_desc_csum(struct wl1271 *wl,
                                    struct wl1271_tx_hw_descr *desc,
                                    struct sk_buff *skb)
@@ -1572,7 +1605,7 @@ static bool wl18xx_lnk_high_prio(struct wl1271 *wl, u8 hlid,
 {
        u8 thold;
        struct wl18xx_fw_status_priv *status_priv =
-               (struct wl18xx_fw_status_priv *)wl->fw_status_2->priv;
+               (struct wl18xx_fw_status_priv *)wl->fw_status->priv;
        u32 suspend_bitmap = le32_to_cpu(status_priv->link_suspend_bitmap);
 
        /* suspended links are never high priority */
@@ -1594,7 +1627,7 @@ static bool wl18xx_lnk_low_prio(struct wl1271 *wl, u8 hlid,
 {
        u8 thold;
        struct wl18xx_fw_status_priv *status_priv =
-               (struct wl18xx_fw_status_priv *)wl->fw_status_2->priv;
+               (struct wl18xx_fw_status_priv *)wl->fw_status->priv;
        u32 suspend_bitmap = le32_to_cpu(status_priv->link_suspend_bitmap);
 
        if (test_bit(hlid, (unsigned long *)&suspend_bitmap))
@@ -1632,6 +1665,7 @@ static struct wlcore_ops wl18xx_ops = {
        .tx_immediate_compl = wl18xx_tx_immediate_completion,
        .tx_delayed_compl = NULL,
        .hw_init        = wl18xx_hw_init,
+       .convert_fw_status = wl18xx_convert_fw_status,
        .set_tx_desc_csum = wl18xx_set_tx_desc_csum,
        .get_pg_ver     = wl18xx_get_pg_ver,
        .set_rx_csum = wl18xx_set_rx_csum,
@@ -1726,6 +1760,7 @@ static int wl18xx_setup(struct wl1271 *wl)
        wl->band_rate_to_idx = wl18xx_band_rate_to_idx;
        wl->hw_tx_rate_tbl_size = WL18XX_CONF_HW_RXTX_RATE_MAX;
        wl->hw_min_ht_rate = WL18XX_CONF_HW_RXTX_RATE_MCS0;
+       wl->fw_status_len = sizeof(struct wl18xx_fw_status);
        wl->fw_status_priv_len = sizeof(struct wl18xx_fw_status_priv);
        wl->stats.fw_stats_len = sizeof(struct wl18xx_acx_statistics);
        wl->static_data_priv_len = sizeof(struct wl18xx_static_data_priv);
index 57c6943..be1ebd5 100644 (file)
@@ -32,7 +32,7 @@ static
 void wl18xx_get_last_tx_rate(struct wl1271 *wl, struct ieee80211_vif *vif,
                             struct ieee80211_tx_rate *rate)
 {
-       u8 fw_rate = wl->fw_status_2->counters.tx_last_rate;
+       u8 fw_rate = wl->fw_status->counters.tx_last_rate;
 
        if (fw_rate > CONF_HW_RATE_INDEX_MAX) {
                wl1271_error("last Tx rate invalid: %d", fw_rate);
@@ -139,7 +139,7 @@ static void wl18xx_tx_complete_packet(struct wl1271 *wl, u8 tx_stat_byte)
 void wl18xx_tx_immediate_complete(struct wl1271 *wl)
 {
        struct wl18xx_fw_status_priv *status_priv =
-               (struct wl18xx_fw_status_priv *)wl->fw_status_2->priv;
+               (struct wl18xx_fw_status_priv *)wl->fw_status->priv;
        struct wl18xx_priv *priv = wl->priv;
        u8 i;
 
index 9204e07..d32a6af 100644 (file)
@@ -109,6 +109,59 @@ struct wl18xx_fw_status_priv {
        u8 padding[3];
 };
 
+struct wl18xx_fw_packet_counters {
+       /* Cumulative counter of released packets per AC */
+       u8 tx_released_pkts[NUM_TX_QUEUES];
+
+       /* Cumulative counter of freed packets per HLID */
+       u8 tx_lnk_free_pkts[WL12XX_MAX_LINKS];
+
+       /* Cumulative counter of released Voice memory blocks */
+       u8 tx_voice_released_blks;
+
+       /* Tx rate of the last transmitted packet */
+       u8 tx_last_rate;
+
+       u8 padding[2];
+} __packed;
+
+/* FW status registers */
+struct wl18xx_fw_status {
+       __le32 intr;
+       u8  fw_rx_counter;
+       u8  drv_rx_counter;
+       u8  reserved;
+       u8  tx_results_counter;
+       __le32 rx_pkt_descs[WL18XX_NUM_RX_DESCRIPTORS];
+
+       __le32 fw_localtime;
+
+       /*
+        * A bitmap (where each bit represents a single HLID)
+        * to indicate if the station is in PS mode.
+        */
+       __le32 link_ps_bitmap;
+
+       /*
+        * A bitmap (where each bit represents a single HLID) to indicate
+        * if the station is in Fast mode
+        */
+       __le32 link_fast_bitmap;
+
+       /* Cumulative counter of total released mem blocks since FW-reset */
+       __le32 total_released_blks;
+
+       /* Size (in Memory Blocks) of TX pool */
+       __le32 tx_total;
+
+       struct wl18xx_fw_packet_counters counters;
+
+       __le32 log_start_addr;
+
+       /* Private status to be used by the lower drivers */
+       struct wl18xx_fw_status_priv priv;
+} __packed;
+
 #define WL18XX_PHY_VERSION_MAX_LEN 20
 
 struct wl18xx_static_data_priv {
index 9b2ecf5..4d19fd2 100644 (file)
@@ -324,9 +324,14 @@ int wl12xx_allocate_link(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 *hlid)
        __set_bit(link, wlvif->links_map);
        spin_unlock_irqrestore(&wl->wl_lock, flags);
 
-       /* take the last "freed packets" value from the current FW status */
-       wl->links[link].prev_freed_pkts =
-                       wl->fw_status_2->counters.tx_lnk_free_pkts[link];
+       /*
+        * take the last "freed packets" value from the current FW status.
+        * on recovery, we might not have fw_status yet, and
+        * tx_lnk_free_pkts will be NULL. check for it.
+        */
+       if (wl->fw_status->counters.tx_lnk_free_pkts)
+               wl->links[link].prev_freed_pkts =
+                       wl->fw_status->counters.tx_lnk_free_pkts[link];
        wl->links[link].wlvif = wlvif;
 
        /*
index 51f8d63..1555ff9 100644 (file)
@@ -106,6 +106,15 @@ wlcore_hw_init_vif(struct wl1271 *wl, struct wl12xx_vif *wlvif)
        return 0;
 }
 
+static inline void
+wlcore_hw_convert_fw_status(struct wl1271 *wl, void *raw_fw_status,
+                           struct wl_fw_status *fw_status)
+{
+       BUG_ON(!wl->ops->convert_fw_status);
+
+       wl->ops->convert_fw_status(wl, raw_fw_status, fw_status);
+}
+
 static inline u32
 wlcore_hw_sta_get_ap_rate_mask(struct wl1271 *wl, struct wl12xx_vif *wlvif)
 {
index 1e19196..70a3e57 100644 (file)
@@ -357,12 +357,12 @@ static void wl12xx_irq_ps_regulate_link(struct wl1271 *wl,
 
 static void wl12xx_irq_update_links_status(struct wl1271 *wl,
                                           struct wl12xx_vif *wlvif,
-                                          struct wl_fw_status_2 *status)
+                                          struct wl_fw_status *status)
 {
        u32 cur_fw_ps_map;
        u8 hlid;
 
-       cur_fw_ps_map = le32_to_cpu(status->link_ps_bitmap);
+       cur_fw_ps_map = status->link_ps_bitmap;
        if (wl->ap_fw_ps_map != cur_fw_ps_map) {
                wl1271_debug(DEBUG_PSM,
                             "link ps prev 0x%x cur 0x%x changed 0x%x",
@@ -377,41 +377,38 @@ static void wl12xx_irq_update_links_status(struct wl1271 *wl,
                                            wl->links[hlid].allocated_pkts);
 }
 
-static int wlcore_fw_status(struct wl1271 *wl,
-                           struct wl_fw_status_1 *status_1,
-                           struct wl_fw_status_2 *status_2)
+static int wlcore_fw_status(struct wl1271 *wl, struct wl_fw_status *status)
 {
        struct wl12xx_vif *wlvif;
        struct timespec ts;
        u32 old_tx_blk_count = wl->tx_blocks_available;
        int avail, freed_blocks;
        int i;
-       size_t status_len;
        int ret;
        struct wl1271_link *lnk;
 
-       status_len = WLCORE_FW_STATUS_1_LEN(wl->num_rx_desc) +
-               sizeof(*status_2) + wl->fw_status_priv_len;
-
-       ret = wlcore_raw_read_data(wl, REG_RAW_FW_STATUS_ADDR, status_1,
-                                  status_len, false);
+       ret = wlcore_raw_read_data(wl, REG_RAW_FW_STATUS_ADDR,
+                                  wl->raw_fw_status,
+                                  wl->fw_status_len, false);
        if (ret < 0)
                return ret;
 
+       wlcore_hw_convert_fw_status(wl, wl->raw_fw_status, wl->fw_status);
+
        wl1271_debug(DEBUG_IRQ, "intr: 0x%x (fw_rx_counter = %d, "
                     "drv_rx_counter = %d, tx_results_counter = %d)",
-                    status_1->intr,
-                    status_1->fw_rx_counter,
-                    status_1->drv_rx_counter,
-                    status_1->tx_results_counter);
+                    status->intr,
+                    status->fw_rx_counter,
+                    status->drv_rx_counter,
+                    status->tx_results_counter);
 
        for (i = 0; i < NUM_TX_QUEUES; i++) {
                /* prevent wrap-around in freed-packets counter */
                wl->tx_allocated_pkts[i] -=
-                               (status_2->counters.tx_released_pkts[i] -
+                               (status->counters.tx_released_pkts[i] -
                                wl->tx_pkts_freed[i]) & 0xff;
 
-               wl->tx_pkts_freed[i] = status_2->counters.tx_released_pkts[i];
+               wl->tx_pkts_freed[i] = status->counters.tx_released_pkts[i];
        }
 
 
@@ -420,29 +417,28 @@ static int wlcore_fw_status(struct wl1271 *wl,
                lnk = &wl->links[i];
 
                /* prevent wrap-around in freed-packets counter */
-               diff = (status_2->counters.tx_lnk_free_pkts[i] -
+               diff = (status->counters.tx_lnk_free_pkts[i] -
                       lnk->prev_freed_pkts) & 0xff;
 
                if (diff == 0)
                        continue;
 
                lnk->allocated_pkts -= diff;
-               lnk->prev_freed_pkts = status_2->counters.tx_lnk_free_pkts[i];
+               lnk->prev_freed_pkts = status->counters.tx_lnk_free_pkts[i];
 
                /* accumulate the prev_freed_pkts counter */
                lnk->total_freed_pkts += diff;
        }
 
        /* prevent wrap-around in total blocks counter */
-       if (likely(wl->tx_blocks_freed <=
-                  le32_to_cpu(status_2->total_released_blks)))
-               freed_blocks = le32_to_cpu(status_2->total_released_blks) -
+       if (likely(wl->tx_blocks_freed <= status->total_released_blks))
+               freed_blocks = status->total_released_blks -
                               wl->tx_blocks_freed;
        else
                freed_blocks = 0x100000000LL - wl->tx_blocks_freed +
-                              le32_to_cpu(status_2->total_released_blks);
+                              status->total_released_blks;
 
-       wl->tx_blocks_freed = le32_to_cpu(status_2->total_released_blks);
+       wl->tx_blocks_freed = status->total_released_blks;
 
        wl->tx_allocated_blocks -= freed_blocks;
 
@@ -458,7 +454,7 @@ static int wlcore_fw_status(struct wl1271 *wl,
                        cancel_delayed_work(&wl->tx_watchdog_work);
        }
 
-       avail = le32_to_cpu(status_2->tx_total) - wl->tx_allocated_blocks;
+       avail = status->tx_total - wl->tx_allocated_blocks;
 
        /*
         * The FW might change the total number of TX memblocks before
@@ -477,15 +473,15 @@ static int wlcore_fw_status(struct wl1271 *wl,
 
        /* for AP update num of allocated TX blocks per link and ps status */
        wl12xx_for_each_wlvif_ap(wl, wlvif) {
-               wl12xx_irq_update_links_status(wl, wlvif, status_2);
+               wl12xx_irq_update_links_status(wl, wlvif, status);
        }
 
        /* update the host-chipset time offset */
        getnstimeofday(&ts);
        wl->time_offset = (timespec_to_ns(&ts) >> 10) -
-               (s64)le32_to_cpu(status_2->fw_localtime);
+               (s64)(status->fw_localtime);
 
-       wl->fw_fast_lnk_map = le32_to_cpu(status_2->link_fast_bitmap);
+       wl->fw_fast_lnk_map = status->link_fast_bitmap;
 
        return 0;
 }
@@ -549,13 +545,13 @@ static int wlcore_irq_locked(struct wl1271 *wl)
                clear_bit(WL1271_FLAG_IRQ_RUNNING, &wl->flags);
                smp_mb__after_clear_bit();
 
-               ret = wlcore_fw_status(wl, wl->fw_status_1, wl->fw_status_2);
+               ret = wlcore_fw_status(wl, wl->fw_status);
                if (ret < 0)
                        goto out;
 
                wlcore_hw_tx_immediate_compl(wl);
 
-               intr = le32_to_cpu(wl->fw_status_1->intr);
+               intr = wl->fw_status->intr;
                intr &= WLCORE_ALL_INTR_MASK;
                if (!intr) {
                        done = true;
@@ -584,7 +580,7 @@ static int wlcore_irq_locked(struct wl1271 *wl)
                if (likely(intr & WL1271_ACX_INTR_DATA)) {
                        wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_DATA");
 
-                       ret = wlcore_rx(wl, wl->fw_status_1);
+                       ret = wlcore_rx(wl, wl->fw_status);
                        if (ret < 0)
                                goto out;
 
@@ -843,11 +839,11 @@ static void wl12xx_read_fwlog_panic(struct wl1271 *wl)
                wl12xx_cmd_stop_fwlog(wl);
 
        /* Read the first memory block address */
-       ret = wlcore_fw_status(wl, wl->fw_status_1, wl->fw_status_2);
+       ret = wlcore_fw_status(wl, wl->fw_status);
        if (ret < 0)
                goto out;
 
-       addr = le32_to_cpu(wl->fw_status_2->log_start_addr);
+       addr = wl->fw_status->log_start_addr;
        if (!addr)
                goto out;
 
@@ -990,23 +986,23 @@ static int wlcore_fw_wakeup(struct wl1271 *wl)
 
 static int wl1271_setup(struct wl1271 *wl)
 {
-       wl->fw_status_1 = kzalloc(WLCORE_FW_STATUS_1_LEN(wl->num_rx_desc) +
-                                 sizeof(*wl->fw_status_2) +
-                                 wl->fw_status_priv_len, GFP_KERNEL);
-       if (!wl->fw_status_1)
-               return -ENOMEM;
+       wl->raw_fw_status = kzalloc(wl->fw_status_len, GFP_KERNEL);
+       if (!wl->raw_fw_status)
+               goto err;
 
-       wl->fw_status_2 = (struct wl_fw_status_2 *)
-                               (((u8 *) wl->fw_status_1) +
-                               WLCORE_FW_STATUS_1_LEN(wl->num_rx_desc));
+       wl->fw_status = kzalloc(sizeof(*wl->fw_status), GFP_KERNEL);
+       if (!wl->fw_status)
+               goto err;
 
        wl->tx_res_if = kzalloc(sizeof(*wl->tx_res_if), GFP_KERNEL);
-       if (!wl->tx_res_if) {
-               kfree(wl->fw_status_1);
-               return -ENOMEM;
-       }
+       if (!wl->tx_res_if)
+               goto err;
 
        return 0;
+err:
+       kfree(wl->fw_status);
+       kfree(wl->raw_fw_status);
+       return -ENOMEM;
 }
 
 static int wl12xx_set_power_on(struct wl1271 *wl)
@@ -1952,9 +1948,10 @@ static void wlcore_op_stop_locked(struct wl1271 *wl)
 
        wl1271_debugfs_reset(wl);
 
-       kfree(wl->fw_status_1);
-       wl->fw_status_1 = NULL;
-       wl->fw_status_2 = NULL;
+       kfree(wl->raw_fw_status);
+       wl->raw_fw_status = NULL;
+       kfree(wl->fw_status);
+       wl->fw_status = NULL;
        kfree(wl->tx_res_if);
        wl->tx_res_if = NULL;
        kfree(wl->target_mem_map);
@@ -6025,7 +6022,8 @@ int wlcore_free_hw(struct wl1271 *wl)
        kfree(wl->nvs);
        wl->nvs = NULL;
 
-       kfree(wl->fw_status_1);
+       kfree(wl->raw_fw_status);
+       kfree(wl->fw_status);
        kfree(wl->tx_res_if);
        destroy_workqueue(wl->freezable_wq);
 
index 94ab445..a047e87 100644 (file)
@@ -203,7 +203,7 @@ static int wl1271_rx_handle_data(struct wl1271 *wl, u8 *data, u32 length,
        return is_data;
 }
 
-int wlcore_rx(struct wl1271 *wl, struct wl_fw_status_1 *status)
+int wlcore_rx(struct wl1271 *wl, struct wl_fw_status *status)
 {
        unsigned long active_hlids[BITS_TO_LONGS(WL12XX_MAX_LINKS)] = {0};
        u32 buf_size;
index 3363f60..a3b1618 100644 (file)
@@ -142,7 +142,7 @@ struct wl1271_rx_descriptor {
        u8  reserved;
 } __packed;
 
-int wlcore_rx(struct wl1271 *wl, struct wl_fw_status_1 *status);
+int wlcore_rx(struct wl1271 *wl, struct wl_fw_status *status);
 u8 wl1271_rate_to_idx(int rate, enum ieee80211_band band);
 int wl1271_rx_filter_enable(struct wl1271 *wl,
                            int index, bool enable,
index a3cc117..cec5265 100644 (file)
@@ -73,6 +73,8 @@ struct wlcore_ops {
        void (*tx_immediate_compl)(struct wl1271 *wl);
        int (*hw_init)(struct wl1271 *wl);
        int (*init_vif)(struct wl1271 *wl, struct wl12xx_vif *wlvif);
+       void (*convert_fw_status)(struct wl1271 *wl, void *raw_fw_status,
+                                 struct wl_fw_status *fw_status);
        u32 (*sta_get_ap_rate_mask)(struct wl1271 *wl,
                                    struct wl12xx_vif *wlvif);
        int (*get_pg_ver)(struct wl1271 *wl, s8 *ver);
@@ -346,8 +348,8 @@ struct wl1271 {
        u32 buffer_cmd;
        u32 buffer_busyword[WL1271_BUSY_WORD_CNT];
 
-       struct wl_fw_status_1 *fw_status_1;
-       struct wl_fw_status_2 *fw_status_2;
+       void *raw_fw_status;
+       struct wl_fw_status *fw_status;
        struct wl1271_tx_hw_res_if *tx_res_if;
 
        /* Current chipset configuration */
@@ -448,6 +450,7 @@ struct wl1271 {
        struct ieee80211_sta_ht_cap ht_cap[WLCORE_NUM_BANDS];
 
        /* size of the private FW status data */
+       size_t fw_status_len;
        size_t fw_status_priv_len;
 
        /* RX Data filter rule state - enabled/disabled */
index 3815332..32e1e8b 100644 (file)
@@ -120,70 +120,58 @@ struct wl1271_chip {
 
 #define AP_MAX_STATIONS            8
 
-struct wl_fw_packet_counters {
-       /* Cumulative counter of released packets per AC */
-       u8 tx_released_pkts[NUM_TX_QUEUES];
-
-       /* Cumulative counter of freed packets per HLID */
-       u8 tx_lnk_free_pkts[WL12XX_MAX_LINKS];
-
-       /* Cumulative counter of released Voice memory blocks */
-       u8 tx_voice_released_blks;
-
-       /* Tx rate of the last transmitted packet */
-       u8 tx_last_rate;
-
-       u8 padding[2];
-} __packed;
-
-/* FW status registers */
-struct wl_fw_status_1 {
-       __le32 intr;
+struct wl_fw_status {
+       u32 intr;
        u8  fw_rx_counter;
        u8  drv_rx_counter;
-       u8  reserved;
        u8  tx_results_counter;
-       __le32 rx_pkt_descs[0];
-} __packed;
-
-/*
- * Each HW arch has a different number of Rx descriptors.
- * The length of the status depends on it, since it holds an array
- * of descriptors.
- */
-#define WLCORE_FW_STATUS_1_LEN(num_rx_desc) \
-               (sizeof(struct wl_fw_status_1) + \
-               (sizeof(((struct wl_fw_status_1 *)0)->rx_pkt_descs[0])) * \
-               num_rx_desc)
+       __le32 *rx_pkt_descs;
 
-struct wl_fw_status_2 {
-       __le32 fw_localtime;
+       u32 fw_localtime;
 
        /*
         * A bitmap (where each bit represents a single HLID)
         * to indicate if the station is in PS mode.
         */
-       __le32 link_ps_bitmap;
+       u32 link_ps_bitmap;
 
        /*
         * A bitmap (where each bit represents a single HLID) to indicate
         * if the station is in Fast mode
         */
-       __le32 link_fast_bitmap;
+       u32 link_fast_bitmap;
 
        /* Cumulative counter of total released mem blocks since FW-reset */
-       __le32 total_released_blks;
+       u32 total_released_blks;
 
        /* Size (in Memory Blocks) of TX pool */
-       __le32 tx_total;
+       u32 tx_total;
 
-       struct wl_fw_packet_counters counters;
+       struct {
+               /*
+                * Cumulative counter of released packets per AC
+                * (length of the array is NUM_TX_QUEUES)
+                */
+               u8 *tx_released_pkts;
+
+               /*
+                * Cumulative counter of freed packets per HLID
+                * (length of the array is WL12XX_MAX_LINKS)
+                */
+               u8 *tx_lnk_free_pkts;
+
+               /* Cumulative counter of released Voice memory blocks */
+               u8 tx_voice_released_blks;
+
+               /* Tx rate of the last transmitted packet */
+               u8 tx_last_rate;
+       } counters;
 
-       __le32 log_start_addr;
+       u32 log_start_addr;
 
        /* Private status to be used by the lower drivers */
-       u8 priv[0];
-} __packed;
+       void *priv;
+};
 
 #define WL1271_MAX_CHANNELS 64
 struct wl1271_scan {