[dpdk-dev] [PATCH] net/bnxt: fix a segfault during Tx
Somnath Kotur
somnath.kotur at broadcom.com
Mon Jul 13 07:17:59 CEST 2020
From: Ajit Khaparde <ajit.khaparde at broadcom.com>
When TRUFLOW is not enabled ulp_ctx is not allocated.
In non-vector Tx datapath we are accessing this invalid pointer
resulting in a segfault. Check if TRUFLOW is enabled before
accessing ulp_ctx to avoid this.
Fixes: f86dc320a894 ("net/bnxt: fill cfa action in Tx descriptor")
Signed-off-by: Ajit Khaparde <ajit.khaparde at broadcom.com>
Reviewed-by: Venkat Duvvuru <venkatkumar.duvvuru at broadcom.com>
Signed-off-by: Somnath Kotur <somnath.kotur at broadcom.com>
Signed-off-by: Venkat Duvvuru <venkatkumar.duvvuru at broadcom.com>
---
drivers/net/bnxt/bnxt_txr.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/net/bnxt/bnxt_txr.c b/drivers/net/bnxt/bnxt_txr.c
index f588426..c741c71 100644
--- a/drivers/net/bnxt/bnxt_txr.c
+++ b/drivers/net/bnxt/bnxt_txr.c
@@ -132,8 +132,9 @@ static uint16_t bnxt_start_xmit(struct rte_mbuf *tx_pkt,
PKT_TX_TUNNEL_GRE | PKT_TX_TUNNEL_VXLAN |
PKT_TX_TUNNEL_GENEVE | PKT_TX_IEEE1588_TMST |
PKT_TX_QINQ_PKT) ||
- txq->bp->ulp_ctx->cfg_data->tx_cfa_action ||
- txq->vfr_tx_cfa_action)
+ (BNXT_TRUFLOW_EN(txq->bp) &&
+ (txq->bp->ulp_ctx->cfg_data->tx_cfa_action ||
+ txq->vfr_tx_cfa_action)))
long_bd = true;
nr_bds = long_bd + tx_pkt->nb_segs;
--
2.7.4
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