diff --git a/drivers/net/wireless/mediatek/mt76/mcu.c b/drivers/net/wireless/mediatek/mt76/mcu.c index a8cafa39a56d..98da82b74094 100644 --- a/drivers/net/wireless/mediatek/mt76/mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mcu.c @@ -73,6 +73,8 @@ int mt76_mcu_skb_send_and_get_msg(struct mt76_dev *dev, struct sk_buff *skb, int cmd, bool wait_resp, struct sk_buff **ret_skb) { + unsigned int retry = 0; + struct sk_buff *orig_skb = NULL; unsigned long expires; int ret, seq; @@ -81,6 +83,14 @@ int mt76_mcu_skb_send_and_get_msg(struct mt76_dev *dev, struct sk_buff *skb, mutex_lock(&dev->mcu.mutex); + if (dev->mcu_ops->mcu_skb_prepare_msg) { + ret = dev->mcu_ops->mcu_skb_prepare_msg(dev, skb, cmd, &seq); + if (ret < 0) + goto out; + } + +retry: + orig_skb = skb_get(skb); ret = dev->mcu_ops->mcu_skb_send_msg(dev, skb, cmd, &seq); if (ret < 0) goto out; @@ -94,6 +104,14 @@ int mt76_mcu_skb_send_and_get_msg(struct mt76_dev *dev, struct sk_buff *skb, do { skb = mt76_mcu_get_response(dev, expires); + if (!skb && !test_bit(MT76_MCU_RESET, &dev->phy.state) && + retry++ < dev->mcu_ops->max_retry) { + dev_err(dev->dev, "Retry message %08x (seq %d)\n", + cmd, seq); + skb = orig_skb; + goto retry; + } + ret = dev->mcu_ops->mcu_parse_response(dev, cmd, skb, seq); if (!ret && ret_skb) *ret_skb = skb; @@ -101,7 +119,9 @@ int mt76_mcu_skb_send_and_get_msg(struct mt76_dev *dev, struct sk_buff *skb, dev_kfree_skb(skb); } while (ret == -EAGAIN); + out: + dev_kfree_skb(orig_skb); mutex_unlock(&dev->mcu.mutex); return ret; diff --git a/drivers/net/wireless/mediatek/mt76/mt76.h b/drivers/net/wireless/mediatek/mt76/mt76.h index 43e743b510ba..794cd33be68b 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76.h +++ b/drivers/net/wireless/mediatek/mt76/mt76.h @@ -230,11 +230,14 @@ struct mt76_queue { }; struct mt76_mcu_ops { + unsigned int max_retry; u32 headroom; u32 tailroom; int (*mcu_send_msg)(struct mt76_dev *dev, int cmd, const void *data, int len, bool wait_resp); + int (*mcu_skb_prepare_msg)(struct mt76_dev *dev, struct sk_buff *skb, + int cmd, int *seq); int (*mcu_skb_send_msg)(struct mt76_dev *dev, struct sk_buff *skb, int cmd, int *seq); int (*mcu_parse_response)(struct mt76_dev *dev, int cmd, diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c index 2ef8d90132dd..0cde1b3c7d41 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c @@ -191,11 +191,6 @@ mt7915_mcu_send_message(struct mt76_dev *mdev, struct sk_buff *skb, { struct mt7915_dev *dev = container_of(mdev, struct mt7915_dev, mt76); enum mt76_mcuq_id qid; - int ret; - - ret = mt76_connac2_mcu_fill_message(mdev, skb, cmd, wait_seq); - if (ret) - return ret; if (cmd == MCU_CMD(FW_SCATTER)) qid = MT_MCUQ_FWDL; @@ -2382,7 +2377,9 @@ int mt7915_mcu_init_firmware(struct mt7915_dev *dev) int mt7915_mcu_init(struct mt7915_dev *dev) { static const struct mt76_mcu_ops mt7915_mcu_ops = { + .max_retry = 3, .headroom = sizeof(struct mt76_connac2_mcu_txd), + .mcu_skb_prepare_msg = mt76_connac2_mcu_fill_message, .mcu_skb_send_msg = mt7915_mcu_send_message, .mcu_parse_response = mt7915_mcu_parse_response, };