diff --git a/drivers/net/wireless/ath/wil6210/rx_reorder.c b/drivers/net/wireless/ath/wil6210/rx_reorder.c index d04629fe053f..ec29954bd44d 100644 --- a/drivers/net/wireless/ath/wil6210/rx_reorder.c +++ b/drivers/net/wireless/ath/wil6210/rx_reorder.c @@ -91,6 +91,22 @@ void wil_rx_reorder(struct wil6210_priv *wil, struct sk_buff *skb) spin_lock(&r->reorder_lock); + /** Due to the race between WMI events, where BACK establishment + * reported, and data Rx, few packets may be pass up before reorder + * buffer get allocated. Catch up by pretending SSN is what we + * see in the 1-st Rx packet + */ + if (r->first_time) { + r->first_time = false; + if (seq != r->head_seq_num) { + wil_err(wil, "Error: 1-st frame with wrong sequence" + " %d, should be %d. Fixing...\n", seq, + r->head_seq_num); + r->head_seq_num = seq; + r->ssn = seq; + } + } + /* frame with out of date sequence number */ if (seq_less(seq, r->head_seq_num)) { dev_kfree_skb(skb); @@ -162,6 +178,7 @@ struct wil_tid_ampdu_rx *wil_tid_ampdu_rx_alloc(struct wil6210_priv *wil, r->head_seq_num = ssn; r->buf_size = size; r->stored_mpdu_num = 0; + r->first_time = true; return r; } diff --git a/drivers/net/wireless/ath/wil6210/wil6210.h b/drivers/net/wireless/ath/wil6210/wil6210.h index 2a2dec75f026..f881aee6319d 100644 --- a/drivers/net/wireless/ath/wil6210/wil6210.h +++ b/drivers/net/wireless/ath/wil6210/wil6210.h @@ -301,6 +301,7 @@ struct wil_tid_ampdu_rx { u16 buf_size; u16 timeout; u8 dialog_token; + bool first_time; /* is it 1-st time this buffer used? */ }; struct wil6210_stats {