[v2] net/ena: fix false indication of bad L4 Rx csums
diff mbox series

Message ID 20191028102333.15439-1-mk@semihalf.com
State Accepted, archived
Delegated to: Ferruh Yigit
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Series
  • [v2] net/ena: fix false indication of bad L4 Rx csums
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Context Check Description
ci/travis-robot success Travis build: passed
ci/Intel-compilation fail Compilation issues
ci/checkpatch success coding style OK
ci/iol-intel-Performance success Performance Testing PASS
ci/iol-compilation success Compile Testing PASS
ci/iol-mellanox-Performance success Performance Testing PASS

Commit Message

Michał Krawczyk Oct. 28, 2019, 10:23 a.m. UTC
From: Igor Chauskin <igorch@amazon.com>

Add checking of l4_csum_checked and frag flags before checking the
l4_csum_error flag.

In case of IP fragment/unchecked L4 csum - add PKT_RX_L4_CKSUM_UNKNOWN
flag to the indicated mbuf.

Fixes: 1173fca25af9 ("ena: add polling-mode driver")
Cc: stable@dpdk.org

Signed-off-by: Igor Chauskin <igorch@amazon.com>
Reviewed-by: Maciej Bielski <mba@semihalf.com>
Reviewed-by: Michal Krawczyk <mk@semihalf.com>
---
v2:
* Update ENA PMD version to the v2.0.2

 drivers/net/ena/ena_ethdev.c | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

Comments

Ferruh Yigit Oct. 31, 2019, 11:47 a.m. UTC | #1
On 10/28/2019 10:23 AM, Michal Krawczyk wrote:
> From: Igor Chauskin <igorch@amazon.com>
> 
> Add checking of l4_csum_checked and frag flags before checking the
> l4_csum_error flag.
> 
> In case of IP fragment/unchecked L4 csum - add PKT_RX_L4_CKSUM_UNKNOWN
> flag to the indicated mbuf.
> 
> Fixes: 1173fca25af9 ("ena: add polling-mode driver")
> Cc: stable@dpdk.org
> 
> Signed-off-by: Igor Chauskin <igorch@amazon.com>
> Reviewed-by: Maciej Bielski <mba@semihalf.com>
> Reviewed-by: Michal Krawczyk <mk@semihalf.com>
Applied to dpdk-next-net/master, thanks.

Patch
diff mbox series

diff --git a/drivers/net/ena/ena_ethdev.c b/drivers/net/ena/ena_ethdev.c
index aa84fabc5..8bbd80dfb 100644
--- a/drivers/net/ena/ena_ethdev.c
+++ b/drivers/net/ena/ena_ethdev.c
@@ -27,7 +27,7 @@ 
 
 #define DRV_MODULE_VER_MAJOR	2
 #define DRV_MODULE_VER_MINOR	0
-#define DRV_MODULE_VER_SUBMINOR	1
+#define DRV_MODULE_VER_SUBMINOR	2
 
 #define ENA_IO_TXQ_IDX(q)	(2 * (q))
 #define ENA_IO_RXQ_IDX(q)	(2 * (q) + 1)
@@ -272,8 +272,14 @@  static inline void ena_rx_mbuf_prepare(struct rte_mbuf *mbuf,
 	else if (ena_rx_ctx->l3_proto == ENA_ETH_IO_L3_PROTO_IPV6)
 		packet_type |= RTE_PTYPE_L3_IPV6;
 
-	if (unlikely(ena_rx_ctx->l4_csum_err))
-		ol_flags |= PKT_RX_L4_CKSUM_BAD;
+	if (!ena_rx_ctx->l4_csum_checked)
+		ol_flags |= PKT_RX_L4_CKSUM_UNKNOWN;
+	else
+		if (unlikely(ena_rx_ctx->l4_csum_err) && !ena_rx_ctx->frag)
+			ol_flags |= PKT_RX_L4_CKSUM_BAD;
+		else
+			ol_flags |= PKT_RX_L4_CKSUM_UNKNOWN;
+
 	if (unlikely(ena_rx_ctx->l3_csum_err))
 		ol_flags |= PKT_RX_IP_CKSUM_BAD;