diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath11k/htc.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath11k/htc.c | 79 |
1 files changed, 61 insertions, 18 deletions
diff --git a/drivers/net/wireless/ath/ath11k/htc.c b/drivers/net/wireless/ath/ath11k/htc.c index 54b1d34724d7..ca3aedc0252d 100644 --- a/drivers/net/wireless/ath/ath11k/htc.c +++ b/drivers/net/wireless/ath/ath11k/htc.c @@ -81,6 +81,8 @@ int ath11k_htc_send(struct ath11k_htc *htc, struct ath11k_base *ab = htc->ab; int credits = 0; int ret; + bool credit_flow_enabled = (ab->hw_params.credit_flow && + ep->tx_credit_flow_enabled); if (eid >= ATH11K_HTC_EP_COUNT) { ath11k_warn(ab, "Invalid endpoint id: %d\n", eid); @@ -89,7 +91,7 @@ int ath11k_htc_send(struct ath11k_htc *htc, skb_push(skb, sizeof(struct ath11k_htc_hdr)); - if (ep->tx_credit_flow_enabled) { + if (credit_flow_enabled) { credits = DIV_ROUND_UP(skb->len, htc->target_credit_size); spin_lock_bh(&htc->tx_lock); if (ep->tx_credits < credits) { @@ -126,7 +128,7 @@ int ath11k_htc_send(struct ath11k_htc *htc, err_unmap: dma_unmap_single(dev, skb_cb->paddr, skb->len, DMA_TO_DEVICE); err_credits: - if (ep->tx_credit_flow_enabled) { + if (credit_flow_enabled) { spin_lock_bh(&htc->tx_lock); ep->tx_credits += credits; ath11k_dbg(ab, ATH11K_DBG_HTC, @@ -203,23 +205,25 @@ static int ath11k_htc_process_trailer(struct ath11k_htc *htc, break; } - switch (record->hdr.id) { - case ATH11K_HTC_RECORD_CREDITS: - len = sizeof(struct ath11k_htc_credit_report); - if (record->hdr.len < len) { - ath11k_warn(ab, "Credit report too long\n"); - status = -EINVAL; + if (ab->hw_params.credit_flow) { + switch (record->hdr.id) { + case ATH11K_HTC_RECORD_CREDITS: + len = sizeof(struct ath11k_htc_credit_report); + if (record->hdr.len < len) { + ath11k_warn(ab, "Credit report too long\n"); + status = -EINVAL; + break; + } + ath11k_htc_process_credit_report(htc, + record->credit_report, + record->hdr.len, + src_eid); + break; + default: + ath11k_warn(ab, "Unhandled record: id:%d length:%d\n", + record->hdr.id, record->hdr.len); break; } - ath11k_htc_process_credit_report(htc, - record->credit_report, - record->hdr.len, - src_eid); - break; - default: - ath11k_warn(ab, "Unhandled record: id:%d length:%d\n", - record->hdr.id, record->hdr.len); - break; } if (status) @@ -245,6 +249,36 @@ static void ath11k_htc_suspend_complete(struct ath11k_base *ab, bool ack) complete(&ab->htc_suspend); } +void ath11k_htc_tx_completion_handler(struct ath11k_base *ab, + struct sk_buff *skb) +{ + struct ath11k_htc *htc = &ab->htc; + struct ath11k_htc_ep *ep; + void (*ep_tx_complete)(struct ath11k_base *, struct sk_buff *); + u8 eid; + + eid = ATH11K_SKB_CB(skb)->eid; + if (eid >= ATH11K_HTC_EP_COUNT) { + dev_kfree_skb_any(skb); + return; + } + + ep = &htc->endpoint[eid]; + spin_lock_bh(&htc->tx_lock); + ep_tx_complete = ep->ep_ops.ep_tx_complete; + spin_unlock_bh(&htc->tx_lock); + if (!ep_tx_complete) { + dev_kfree_skb_any(skb); + return; + } + ep_tx_complete(htc->ab, skb); +} + +static void ath11k_htc_wakeup_from_suspend(struct ath11k_base *ab) +{ + ath11k_dbg(ab, ATH11K_DBG_BOOT, "boot wakeup from suspend is received\n"); +} + void ath11k_htc_rx_completion_handler(struct ath11k_base *ab, struct sk_buff *skb) { @@ -349,6 +383,7 @@ void ath11k_htc_rx_completion_handler(struct ath11k_base *ab, ath11k_htc_suspend_complete(ab, false); break; case ATH11K_HTC_MSG_WAKEUP_FROM_SUSPEND_ID: + ath11k_htc_wakeup_from_suspend(ab); break; default: ath11k_warn(ab, "ignoring unsolicited htc ep0 event %ld\n", @@ -607,6 +642,11 @@ int ath11k_htc_connect_service(struct ath11k_htc *htc, disable_credit_flow_ctrl = true; } + if (!ab->hw_params.credit_flow) { + flags |= ATH11K_HTC_CONN_FLAGS_DISABLE_CREDIT_FLOW_CTRL; + disable_credit_flow_ctrl = true; + } + req_msg->flags_len = FIELD_PREP(HTC_SVC_MSG_CONNECTIONFLAGS, flags); req_msg->msg_svc_id |= FIELD_PREP(HTC_SVC_MSG_SERVICE_ID, conn_req->service_id); @@ -732,7 +772,10 @@ int ath11k_htc_start(struct ath11k_htc *htc) msg->msg_id = FIELD_PREP(HTC_MSG_MESSAGEID, ATH11K_HTC_MSG_SETUP_COMPLETE_EX_ID); - ath11k_dbg(ab, ATH11K_DBG_HTC, "HTC is using TX credit flow control\n"); + if (ab->hw_params.credit_flow) + ath11k_dbg(ab, ATH11K_DBG_HTC, "HTC is using TX credit flow control\n"); + else + msg->flags |= ATH11K_GLOBAL_DISABLE_CREDIT_FLOW; status = ath11k_htc_send(htc, ATH11K_HTC_EP_0, skb); if (status) { |