net/iavf: fix RSS when VF port closed

Check the VF RSS offload flag and ignore relative operation when
iavf hash uninit to avoid reset/close error.

Fixes: 7be10c3004be ("net/iavf: add RSS configuration for VF")
Cc: stable@dpdk.org
Signed-off-by: Steve Yang <stevex.yang@intel.com>
Acked-by: Qi Zhang <qi.z.zhang@intel.com>

diff --git a/drivers/net/iavf/iavf_hash.c b/drivers/net/iavf/iavf_hash.c
index 8a5a6bb5a46900075e12da8156d2542ed3e3bf29..c4c73e6644be3e3966703ed9c782ed5a69fd302c 100644 (file)
--- a/drivers/net/iavf/iavf_hash.c
+++ b/drivers/net/iavf/iavf_hash.c
@@ -1093,6 +1093,12 @@ iavf_hash_uninit(struct iavf_adapter *ad)
        if (vf->vf_reset)
                return;
 
+       if (!vf->vf_res)
+               return;
+
+       if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_ADV_RSS_PF))
+               return;
+
        if (iavf_hash_default_set(ad, false))
                PMD_DRV_LOG(ERR, "fail to delete default RSS");