[dpdk-dev] [PATCH v3 2/2] net/iavf: fix wrong RSS hash update

[Wenjun Wu]

This patch change judgment statements to disable RSS for vf
when users need to disable RSS or RSS hash function configured
is not supported.

Fixes: 95f2f0e9fc2a ("net/iavf: improve default RSS")
Cc: sta...@dpdk.org

Signed-off-by: Wenjun Wu <wenjun1...@intel.com>

---
v3: fix the same issue for both pf and vf.
---
 drivers/net/iavf/iavf_ethdev.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/iavf/iavf_ethdev.c b/drivers/net/iavf/iavf_ethdev.c
index 4d3772202..d2d950aa6 100644
--- a/drivers/net/iavf/iavf_ethdev.c
+++ b/drivers/net/iavf/iavf_ethdev.c
@@ -1250,8 +1250,10 @@ iavf_dev_rss_hash_update(struct rte_eth_dev *dev,
        if (ret)
                return ret;
 
-       if (rss_conf->rss_hf == 0)
+       if (rss_conf->rss_hf == 0) {
+               vf->rss_hf = 0;
                return 0;
+       }
 
        if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_ADV_RSS_PF) {
                /* Clear existing RSS. */
-- 
2.25.1