diff mbox

[dpdk-dev,3/3] net/sfc: correct RSS hash availability condition

Message ID 1492520588-10050-3-git-send-email-arybchenko@solarflare.com (mailing list archive)
State Accepted, archived
Delegated to: Ferruh Yigit
Headers

Checks

Context Check Description
ci/checkpatch success coding style OK
ci/Intel-compilation success Compilation OK

Commit Message

Andrew Rybchenko April 18, 2017, 1:03 p.m. UTC 
  RSS hash is computed by hardware if corresponding Rx filter (for
example, default Rx filters) has RSS flag set which is set if
the number of RSS channels is greater than zero.

Fixes: 4ec1fc3ba881 ("net/sfc: add basic stubs for RSS support on driver attach")

Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by: Andy Moreton <amoreton@solarflare.com>
---
 drivers/net/sfc/sfc_rx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox

Patch

diff --git a/drivers/net/sfc/sfc_rx.c b/drivers/net/sfc/sfc_rx.c
index 664b38d..2ecd6f2 100644
--- a/drivers/net/sfc/sfc_rx.c
+++ b/drivers/net/sfc/sfc_rx.c
@@ -930,7 +930,7 @@  sfc_rx_qinit(struct sfc_adapter *sa, unsigned int sw_index,
 	info.prefix_size = encp->enc_rx_prefix_size;
 
 #if EFSYS_OPT_RX_SCALE
-	if (sa->hash_support == EFX_RX_HASH_AVAILABLE)
+	if (sa->hash_support == EFX_RX_HASH_AVAILABLE && sa->rss_channels > 0)
 		info.flags |= SFC_RXQ_FLAG_RSS_HASH;
 #endif