net/dpaa2: add support for congestion notification

[dpdk.git] / drivers / net / dpaa2 / dpaa2_rxtx.c

diff --git a/drivers/net/dpaa2/dpaa2_rxtx.c b/drivers/net/dpaa2/dpaa2_rxtx.c
index 8476972..81c0c28 100644 (file)
--- a/drivers/net/dpaa2/dpaa2_rxtx.c
+++ b/drivers/net/dpaa2/dpaa2_rxtx.c
@@ -406,6 +406,10 @@ dpaa2_dev_tx(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts)
 
        /*Clear the unused FD fields before sending*/
        while (nb_pkts) {
+               /*Check if the queue is congested*/
+               if (qbman_result_SCN_state_in_mem(dpaa2_q->cscn))
+                       goto skip_tx;
+
                frames_to_send = (nb_pkts >> 3) ? MAX_TX_RING_SLOTS : nb_pkts;
 
                for (loop = 0; loop < frames_to_send; loop++) {