From: Arik Nemtsov <arik@xxxxxxxxxx>
Add room for a private data struct at the end of the common FW status.
Add a convenience "counters" struct inside the FW status.
The wl12xx family does not currently use the FW status private data.
Signed-off-by: Arik Nemtsov <arik@xxxxxxxxxx>
Signed-off-by: Luciano Coelho <coelho@xxxxxx>
---
drivers/net/wireless/ti/wl12xx/main.c | 1 +
drivers/net/wireless/ti/wlcore/main.c | 18 +++++++++++-------
drivers/net/wireless/ti/wlcore/rx.c | 2 +-
drivers/net/wireless/ti/wlcore/rx.h | 2 +-
drivers/net/wireless/ti/wlcore/wl12xx.h | 27 ++++++++++++++++++---------
drivers/net/wireless/ti/wlcore/wlcore.h | 5 ++++-
6 files changed, 36 insertions(+), 19 deletions(-)
diff --git a/drivers/net/wireless/ti/wl12xx/main.c b/drivers/net/wireless/ti/wl12xx/main.c
index be48c47..d7dd3de 100644
--- a/drivers/net/wireless/ti/wl12xx/main.c
+++ b/drivers/net/wireless/ti/wl12xx/main.c
@@ -1343,6 +1343,7 @@ static int __devinit wl12xx_probe(struct platform_device *pdev)
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_priv_len = 0;
memcpy(&wl->ht_cap, &wl12xx_ht_cap, sizeof(wl12xx_ht_cap));
wl12xx_conf_init(wl);
diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c
index b80f08b..63658f5 100644
--- a/drivers/net/wireless/ti/wlcore/main.c
+++ b/drivers/net/wireless/ti/wlcore/main.c
@@ -387,7 +387,7 @@ 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 wl12xx_fw_status *status)
+ struct wl_fw_status *status)
{
struct wl1271_link *lnk;
u32 cur_fw_ps_map;
@@ -407,9 +407,10 @@ static void wl12xx_irq_update_links_status(struct wl1271 *wl,
for_each_set_bit(hlid, wlvif->ap.sta_hlid_map, WL12XX_MAX_LINKS) {
lnk = &wl->links[hlid];
- cnt = status->tx_lnk_free_pkts[hlid] - lnk->prev_freed_pkts;
+ cnt = status->counters.tx_lnk_free_pkts[hlid] -
+ lnk->prev_freed_pkts;
- lnk->prev_freed_pkts = status->tx_lnk_free_pkts[hlid];
+ lnk->prev_freed_pkts = status->counters.tx_lnk_free_pkts[hlid];
lnk->allocated_pkts -= cnt;
wl12xx_irq_ps_regulate_link(wl, wlvif, hlid,
@@ -418,16 +419,19 @@ static void wl12xx_irq_update_links_status(struct wl1271 *wl,
}
static void wl12xx_fw_status(struct wl1271 *wl,
- struct wl12xx_fw_status *status)
+ 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;
+
+ status_len = sizeof(*status) + wl->fw_status_priv_len;
wlcore_raw_read_data(wl, REG_RAW_FW_STATUS_ADDR, status,
- sizeof(*status), false);
+ status_len, false);
wl1271_debug(DEBUG_IRQ, "intr: 0x%x (fw_rx_counter = %d, "
"drv_rx_counter = %d, tx_results_counter = %d)",
@@ -439,10 +443,10 @@ static void wl12xx_fw_status(struct wl1271 *wl,
for (i = 0; i < NUM_TX_QUEUES; i++) {
/* prevent wrap-around in freed-packets counter */
wl->tx_allocated_pkts[i] -=
- (status->tx_released_pkts[i] -
+ (status->counters.tx_released_pkts[i] -
wl->tx_pkts_freed[i]) & 0xff;
- wl->tx_pkts_freed[i] = status->tx_released_pkts[i];
+ wl->tx_pkts_freed[i] = status->counters.tx_released_pkts[i];
}
/* prevent wrap-around in total blocks counter */
diff --git a/drivers/net/wireless/ti/wlcore/rx.c b/drivers/net/wireless/ti/wlcore/rx.c
index 6bde6e2..89bd938 100644
--- a/drivers/net/wireless/ti/wlcore/rx.c
+++ b/drivers/net/wireless/ti/wlcore/rx.c
@@ -199,7 +199,7 @@ static int wl1271_rx_handle_data(struct wl1271 *wl, u8 *data, u32 length,
return is_data;
}
-void wl12xx_rx(struct wl1271 *wl, struct wl12xx_fw_status *status)
+void wl12xx_rx(struct wl1271 *wl, struct wl_fw_status *status)
{
unsigned long active_hlids[BITS_TO_LONGS(WL12XX_MAX_LINKS)] = {0};
u32 buf_size;
diff --git a/drivers/net/wireless/ti/wlcore/rx.h b/drivers/net/wireless/ti/wlcore/rx.h
index 18eb38b..6e129e2 100644
--- a/drivers/net/wireless/ti/wlcore/rx.h
+++ b/drivers/net/wireless/ti/wlcore/rx.h
@@ -136,7 +136,7 @@ struct wl1271_rx_descriptor {
u8 reserved;
} __packed;
-void wl12xx_rx(struct wl1271 *wl, struct wl12xx_fw_status *status);
+void wl12xx_rx(struct wl1271 *wl, struct wl_fw_status *status);
u8 wl1271_rate_to_idx(int rate, enum ieee80211_band band);
#endif
diff --git a/drivers/net/wireless/ti/wlcore/wl12xx.h b/drivers/net/wireless/ti/wlcore/wl12xx.h
index b09c9ed..a9b220c 100644
--- a/drivers/net/wireless/ti/wlcore/wl12xx.h
+++ b/drivers/net/wireless/ti/wlcore/wl12xx.h
@@ -145,8 +145,21 @@ struct wl1271_stats {
#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;
+
+ u8 padding[3];
+} __packed;
+
/* FW status registers */
-struct wl12xx_fw_status {
+struct wl_fw_status {
__le32 intr;
u8 fw_rx_counter;
u8 drv_rx_counter;
@@ -173,16 +186,12 @@ struct wl12xx_fw_status {
/* Size (in Memory Blocks) of TX pool */
__le32 tx_total;
- /* Cumulative counter of released packets per AC */
- u8 tx_released_pkts[NUM_TX_QUEUES];
+ struct wl_fw_packet_counters counters;
- /* 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;
- u8 padding_1[3];
__le32 log_start_addr;
+
+ /* Private status to be used by the lower drivers */
+ u8 priv[0];
} __packed;
struct wl1271_rx_mem_pool_addr {
diff --git a/drivers/net/wireless/ti/wlcore/wlcore.h b/drivers/net/wireless/ti/wlcore/wlcore.h
index 960aefb..39f9fad 100644
--- a/drivers/net/wireless/ti/wlcore/wlcore.h
+++ b/drivers/net/wireless/ti/wlcore/wlcore.h
@@ -260,7 +260,7 @@ struct wl1271 {
u32 buffer_cmd;
u32 buffer_busyword[WL1271_BUSY_WORD_CNT];
- struct wl12xx_fw_status *fw_status;
+ struct wl_fw_status *fw_status;
struct wl1271_tx_hw_res_if *tx_res_if;
/* Current chipset configuration */
@@ -346,6 +346,9 @@ struct wl1271 {
/* HW HT (11n) capabilities */
struct ieee80211_sta_ht_cap ht_cap;
+
+ /* size of the private FW status data */
+ size_t fw_status_priv_len;
};
int __devinit wlcore_probe(struct wl1271 *wl, struct platform_device *pdev);
--
1.7.5.4
--
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