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path: root/drivers/net/wireless/ath/ath9k/wmi.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath9k/wmi.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/wmi.c126
1 files changed, 80 insertions, 46 deletions
diff --git a/drivers/net/wireless/ath/ath9k/wmi.c b/drivers/net/wireless/ath/ath9k/wmi.c
index d3d24904f62..f9b1eb4853c 100644
--- a/drivers/net/wireless/ath/ath9k/wmi.c
+++ b/drivers/net/wireless/ath/ath9k/wmi.c
@@ -23,20 +23,18 @@ static const char *wmi_cmd_to_name(enum wmi_cmd_id wmi_cmd)
return "WMI_ECHO_CMDID";
case WMI_ACCESS_MEMORY_CMDID:
return "WMI_ACCESS_MEMORY_CMDID";
+ case WMI_GET_FW_VERSION:
+ return "WMI_GET_FW_VERSION";
case WMI_DISABLE_INTR_CMDID:
return "WMI_DISABLE_INTR_CMDID";
case WMI_ENABLE_INTR_CMDID:
return "WMI_ENABLE_INTR_CMDID";
- case WMI_RX_LINK_CMDID:
- return "WMI_RX_LINK_CMDID";
case WMI_ATH_INIT_CMDID:
return "WMI_ATH_INIT_CMDID";
case WMI_ABORT_TXQ_CMDID:
return "WMI_ABORT_TXQ_CMDID";
case WMI_STOP_TX_DMA_CMDID:
return "WMI_STOP_TX_DMA_CMDID";
- case WMI_STOP_DMA_RECV_CMDID:
- return "WMI_STOP_DMA_RECV_CMDID";
case WMI_ABORT_TX_DMA_CMDID:
return "WMI_ABORT_TX_DMA_CMDID";
case WMI_DRAIN_TXQ_CMDID:
@@ -51,8 +49,6 @@ static const char *wmi_cmd_to_name(enum wmi_cmd_id wmi_cmd)
return "WMI_FLUSH_RECV_CMDID";
case WMI_SET_MODE_CMDID:
return "WMI_SET_MODE_CMDID";
- case WMI_RESET_CMDID:
- return "WMI_RESET_CMDID";
case WMI_NODE_CREATE_CMDID:
return "WMI_NODE_CREATE_CMDID";
case WMI_NODE_REMOVE_CMDID:
@@ -61,8 +57,6 @@ static const char *wmi_cmd_to_name(enum wmi_cmd_id wmi_cmd)
return "WMI_VAP_REMOVE_CMDID";
case WMI_VAP_CREATE_CMDID:
return "WMI_VAP_CREATE_CMDID";
- case WMI_BEACON_UPDATE_CMDID:
- return "WMI_BEACON_UPDATE_CMDID";
case WMI_REG_READ_CMDID:
return "WMI_REG_READ_CMDID";
case WMI_REG_WRITE_CMDID:
@@ -71,22 +65,22 @@ static const char *wmi_cmd_to_name(enum wmi_cmd_id wmi_cmd)
return "WMI_RC_STATE_CHANGE_CMDID";
case WMI_RC_RATE_UPDATE_CMDID:
return "WMI_RC_RATE_UPDATE_CMDID";
- case WMI_DEBUG_INFO_CMDID:
- return "WMI_DEBUG_INFO_CMDID";
- case WMI_HOST_ATTACH:
- return "WMI_HOST_ATTACH";
case WMI_TARGET_IC_UPDATE_CMDID:
return "WMI_TARGET_IC_UPDATE_CMDID";
- case WMI_TGT_STATS_CMDID:
- return "WMI_TGT_STATS_CMDID";
case WMI_TX_AGGR_ENABLE_CMDID:
return "WMI_TX_AGGR_ENABLE_CMDID";
case WMI_TGT_DETACH_CMDID:
return "WMI_TGT_DETACH_CMDID";
- case WMI_TGT_TXQ_ENABLE_CMDID:
- return "WMI_TGT_TXQ_ENABLE_CMDID";
- case WMI_AGGR_LIMIT_CMD:
- return "WMI_AGGR_LIMIT_CMD";
+ case WMI_NODE_UPDATE_CMDID:
+ return "WMI_NODE_UPDATE_CMDID";
+ case WMI_INT_STATS_CMDID:
+ return "WMI_INT_STATS_CMDID";
+ case WMI_TX_STATS_CMDID:
+ return "WMI_TX_STATS_CMDID";
+ case WMI_RX_STATS_CMDID:
+ return "WMI_RX_STATS_CMDID";
+ case WMI_BITRATE_MASK_CMDID:
+ return "WMI_BITRATE_MASK_CMDID";
}
return "Bogus";
@@ -102,9 +96,15 @@ struct wmi *ath9k_init_wmi(struct ath9k_htc_priv *priv)
wmi->drv_priv = priv;
wmi->stopped = false;
+ skb_queue_head_init(&wmi->wmi_event_queue);
+ spin_lock_init(&wmi->wmi_lock);
+ spin_lock_init(&wmi->event_lock);
mutex_init(&wmi->op_mutex);
mutex_init(&wmi->multi_write_mutex);
init_completion(&wmi->cmd_wait);
+ INIT_LIST_HEAD(&wmi->pending_tx_events);
+ tasklet_init(&wmi->wmi_event_tasklet, ath9k_wmi_event_tasklet,
+ (unsigned long)wmi);
return wmi;
}
@@ -120,11 +120,65 @@ void ath9k_deinit_wmi(struct ath9k_htc_priv *priv)
kfree(priv->wmi);
}
-void ath9k_swba_tasklet(unsigned long data)
+void ath9k_wmi_event_drain(struct ath9k_htc_priv *priv)
{
- struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *)data;
+ unsigned long flags;
- ath9k_htc_swba(priv, priv->wmi->beacon_pending);
+ tasklet_kill(&priv->wmi->wmi_event_tasklet);
+ spin_lock_irqsave(&priv->wmi->wmi_lock, flags);
+ __skb_queue_purge(&priv->wmi->wmi_event_queue);
+ spin_unlock_irqrestore(&priv->wmi->wmi_lock, flags);
+}
+
+void ath9k_wmi_event_tasklet(unsigned long data)
+{
+ struct wmi *wmi = (struct wmi *)data;
+ struct ath9k_htc_priv *priv = wmi->drv_priv;
+ struct wmi_cmd_hdr *hdr;
+ void *wmi_event;
+ struct wmi_event_swba *swba;
+ struct sk_buff *skb = NULL;
+ unsigned long flags;
+ u16 cmd_id;
+
+ do {
+ spin_lock_irqsave(&wmi->wmi_lock, flags);
+ skb = __skb_dequeue(&wmi->wmi_event_queue);
+ if (!skb) {
+ spin_unlock_irqrestore(&wmi->wmi_lock, flags);
+ return;
+ }
+ spin_unlock_irqrestore(&wmi->wmi_lock, flags);
+
+ hdr = (struct wmi_cmd_hdr *) skb->data;
+ cmd_id = be16_to_cpu(hdr->command_id);
+ wmi_event = skb_pull(skb, sizeof(struct wmi_cmd_hdr));
+
+ switch (cmd_id) {
+ case WMI_SWBA_EVENTID:
+ swba = (struct wmi_event_swba *) wmi_event;
+ ath9k_htc_swba(priv, swba);
+ break;
+ case WMI_FATAL_EVENTID:
+ ieee80211_queue_work(wmi->drv_priv->hw,
+ &wmi->drv_priv->fatal_work);
+ break;
+ case WMI_TXSTATUS_EVENTID:
+ spin_lock_bh(&priv->tx.tx_lock);
+ if (priv->tx.flags & ATH9K_HTC_OP_TX_DRAIN) {
+ spin_unlock_bh(&priv->tx.tx_lock);
+ break;
+ }
+ spin_unlock_bh(&priv->tx.tx_lock);
+
+ ath9k_htc_txstatus(priv, wmi_event);
+ break;
+ default:
+ break;
+ }
+
+ kfree_skb(skb);
+ } while (1);
}
void ath9k_fatal_work(struct work_struct *work)
@@ -153,10 +207,6 @@ static void ath9k_wmi_ctrl_rx(void *priv, struct sk_buff *skb,
struct wmi *wmi = (struct wmi *) priv;
struct wmi_cmd_hdr *hdr;
u16 cmd_id;
- void *wmi_event;
-#ifdef CONFIG_ATH9K_HTC_DEBUGFS
- __be32 txrate;
-#endif
if (unlikely(wmi->stopped))
goto free_skb;
@@ -165,26 +215,10 @@ static void ath9k_wmi_ctrl_rx(void *priv, struct sk_buff *skb,
cmd_id = be16_to_cpu(hdr->command_id);
if (cmd_id & 0x1000) {
- wmi_event = skb_pull(skb, sizeof(struct wmi_cmd_hdr));
- switch (cmd_id) {
- case WMI_SWBA_EVENTID:
- wmi->beacon_pending = *(u8 *)wmi_event;
- tasklet_schedule(&wmi->drv_priv->swba_tasklet);
- break;
- case WMI_FATAL_EVENTID:
- ieee80211_queue_work(wmi->drv_priv->hw,
- &wmi->drv_priv->fatal_work);
- break;
- case WMI_TXRATE_EVENTID:
-#ifdef CONFIG_ATH9K_HTC_DEBUGFS
- txrate = ((struct wmi_event_txrate *)wmi_event)->txrate;
- wmi->drv_priv->debug.txrate = be32_to_cpu(txrate);
-#endif
- break;
- default:
- break;
- }
- kfree_skb(skb);
+ spin_lock(&wmi->wmi_lock);
+ __skb_queue_tail(&wmi->wmi_event_queue, skb);
+ spin_unlock(&wmi->wmi_lock);
+ tasklet_schedule(&wmi->wmi_event_tasklet);
return;
}
@@ -243,7 +277,7 @@ static int ath9k_wmi_cmd_issue(struct wmi *wmi,
hdr->command_id = cpu_to_be16(cmd);
hdr->seq_no = cpu_to_be16(++wmi->tx_seq_id);
- return htc_send(wmi->htc, skb, wmi->ctrl_epid, NULL);
+ return htc_send_epid(wmi->htc, skb, wmi->ctrl_epid);
}
int ath9k_wmi_cmd(struct wmi *wmi, enum wmi_cmd_id cmd_id,
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-12-23 21:28:33 +0000