[dpdk-dev,1/3] enic: mbuf->ol_flags could be set incorrectly

Message ID 1458255427-12371-2-git-send-email-johndale@cisco.com (mailing list archive)
State Accepted, archived
Delegated to: Bruce Richardson
Headers

Commit Message

John Daley (johndale) March 17, 2016, 10:57 p.m. UTC
In the receive path, the function to set mbuf ol_flags used the
mbuf packet_type before it was set.

Fixes: 947d860c821f ("enic: improve Rx performance")

Signed-off-by: John Daley <johndale@cisco.com>
---
 drivers/net/enic/enic_rx.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
  

Patch

diff --git a/drivers/net/enic/enic_rx.c b/drivers/net/enic/enic_rx.c
index 945a60f..59ebaa4 100644
--- a/drivers/net/enic/enic_rx.c
+++ b/drivers/net/enic/enic_rx.c
@@ -210,7 +210,7 @@  enic_cq_rx_to_pkt_flags(struct cq_desc *cqd, struct rte_mbuf *mbuf)
 	ciflags = enic_cq_rx_desc_ciflags(cqrd);
 	bwflags = enic_cq_rx_desc_bwflags(cqrd);
 
-	ASSERT(mbuf->ol_flags == 0);
+	mbuf->ol_flags = 0;
 
 	/* flags are meaningless if !EOP */
 	if (unlikely(!enic_cq_rx_desc_eop(ciflags)))
@@ -340,10 +340,10 @@  enic_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
 		rxmb->pkt_len = rx_pkt_len;
 		rxmb->data_len = rx_pkt_len;
 		rxmb->port = enic->port_id;
+		rxmb->packet_type = enic_cq_rx_flags_to_pkt_type(&cqd);
 		rxmb->ol_flags = ol_err_flags;
 		if (!ol_err_flags)
 			enic_cq_rx_to_pkt_flags(&cqd, rxmb);
-		rxmb->packet_type = enic_cq_rx_flags_to_pkt_type(&cqd);
 
 		/* prefetch mbuf data for caller */
 		rte_packet_prefetch(RTE_PTR_ADD(rxmb->buf_addr,