net/bnxt: fix Tx hang after port stop/start

Initialize the state of the completion valid indicator
when a completion ring is freed, otherwise completions may
not be processed when a new ring is allocated.

Fixes: 5735eb241947 ("net/bnxt: support Tx batching")
Cc: stable@dpdk.org
Signed-off-by: Lance Richardson <lance.richardson@broadcom.com>
Signed-off-by: Ajit Khaparde <ajit.khaparde@broadcom.com>
Reviewed-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>

diff --git a/drivers/net/bnxt/bnxt_hwrm.c b/drivers/net/bnxt/bnxt_hwrm.c
index a9356c6..b6f9ec0 100644 (file)
--- a/drivers/net/bnxt/bnxt_hwrm.c
+++ b/drivers/net/bnxt/bnxt_hwrm.c
@@ -2089,6 +2089,7 @@ static void bnxt_free_cp_ring(struct bnxt *bp, struct bnxt_cp_ring_info *cpr)
        memset(cpr->cp_desc_ring, 0, cpr->cp_ring_struct->ring_size *
                        sizeof(*cpr->cp_desc_ring));
        cpr->cp_raw_cons = 0;
+       cpr->valid = 0;
 }
 
 void bnxt_free_hwrm_rx_ring(struct bnxt *bp, int queue_index)