net/sfc: fix RSS hash flag when offload is disabled

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@dpdk.org
Signed-off-by: Igor Romanov <igor.romanov@oktetlabs.ru>
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>

diff --git a/drivers/net/sfc/sfc_rx.c b/drivers/net/sfc/sfc_rx.c
index a62ce4a..dccafb1 100644 (file)
--- 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;