[dpdk-dev] [PATCH 1/2] net/sfc: fix RSS hash flag when offload is disabled
Andrew Rybchenko
arybchenko at solarflare.com
Thu Sep 24 14:40:58 CEST 2020
From: Igor Romanov <igor.romanov at oktetlabs.ru>
Do not set RSS hash flag in the received mbufs when RSS hash
offload is not enabled, which means that RSS hash value is invalid.
Fixes: 5d308972954c ("ethdev: add mbuf RSS update as an offload")
Cc: stable at dpdk.org
Signed-off-by: Igor Romanov <igor.romanov at oktetlabs.ru>
Signed-off-by: Andrew Rybchenko <arybchenko at solarflare.com>
---
drivers/net/sfc/sfc_rx.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/net/sfc/sfc_rx.c b/drivers/net/sfc/sfc_rx.c
index a62ce4a17d..dccafb163a 100644
--- a/drivers/net/sfc/sfc_rx.c
+++ b/drivers/net/sfc/sfc_rx.c
@@ -1155,7 +1155,8 @@ sfc_rx_qinit(struct sfc_adapter *sa, unsigned int sw_index,
info.batch_max = encp->enc_rx_batch_max;
info.prefix_size = encp->enc_rx_prefix_size;
- if (rss->hash_support == EFX_RX_HASH_AVAILABLE && rss->channels > 0)
+ if (rss->hash_support == EFX_RX_HASH_AVAILABLE && rss->channels > 0 &&
+ (offloads & DEV_RX_OFFLOAD_RSS_HASH))
info.flags |= SFC_RXQ_FLAG_RSS_HASH;
info.rxq_entries = rxq_info->entries;
--
2.17.1
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