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path: root/drivers/net/wireless/ath/ath11k/dp_rx.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath11k/dp_rx.c')
-rw-r--r--drivers/net/wireless/ath/ath11k/dp_rx.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath11k/dp_rx.c b/drivers/net/wireless/ath/ath11k/dp_rx.c
index 320fec2aede3..61ff9a9a32cf 100644
--- a/drivers/net/wireless/ath/ath11k/dp_rx.c
+++ b/drivers/net/wireless/ath/ath11k/dp_rx.c
@@ -1499,6 +1499,29 @@ static void ath11k_htt_pktlog(struct ath11k_base *ab, struct sk_buff *skb)
trace_ath11k_htt_pktlog(ar, data->payload, hdr->size);
}
+static void ath11k_htt_backpressure_event_handler(struct ath11k_base *ab,
+ struct sk_buff *skb)
+{
+ u32 *data = (u32 *)skb->data;
+ u8 pdev_id, ring_type, ring_id;
+ u16 hp, tp;
+ u32 backpressure_time;
+
+ pdev_id = FIELD_GET(HTT_BACKPRESSURE_EVENT_PDEV_ID_M, *data);
+ ring_type = FIELD_GET(HTT_BACKPRESSURE_EVENT_RING_TYPE_M, *data);
+ ring_id = FIELD_GET(HTT_BACKPRESSURE_EVENT_RING_ID_M, *data);
+ ++data;
+
+ hp = FIELD_GET(HTT_BACKPRESSURE_EVENT_HP_M, *data);
+ tp = FIELD_GET(HTT_BACKPRESSURE_EVENT_TP_M, *data);
+ ++data;
+
+ backpressure_time = *data;
+
+ ath11k_dbg(ab, ATH11K_DBG_DP_HTT, "htt backpressure event, pdev %d, ring type %d,ring id %d, hp %d tp %d, backpressure time %d\n",
+ pdev_id, ring_type, ring_id, hp, tp, backpressure_time);
+}
+
void ath11k_dp_htt_htc_t2h_msg_handler(struct ath11k_base *ab,
struct sk_buff *skb)
{
@@ -1548,6 +1571,9 @@ void ath11k_dp_htt_htc_t2h_msg_handler(struct ath11k_base *ab,
case HTT_T2H_MSG_TYPE_PKTLOG:
ath11k_htt_pktlog(ab, skb);
break;
+ case HTT_T2H_MSG_TYPE_BKPRESSURE_EVENT_IND:
+ ath11k_htt_backpressure_event_handler(ab, skb);
+ break;
default:
ath11k_warn(ab, "htt event %d not handled\n", type);
break;