net/iavf: fix VIRTHCNL_OP_SET_RSS_HENA handling
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Commit Message
Allow error to be returned for VIRTCHNL_OP_SET_RSS_HENA when set
hena = 0. Add warning that PF doesnot support hena = 0 now.
Fixes: 95f2f0e9fc2a6("net/iavf: improve default RSS")
Cc: stable@dpdk.org
Signed-off-by: Xuan Ding <xuan.ding@intel.com>
---
drivers/net/iavf/iavf_ethdev.c | 20 +++++++++++++-------
1 file changed, 13 insertions(+), 7 deletions(-)
@@ -1250,11 +1250,15 @@ iavf_dev_rss_hash_update(struct rte_eth_dev *dev,
if (rss_conf->rss_hf == 0)
return 0;
- /* Overwritten default RSS. */
+ /* Clear existing RSS. */
ret = iavf_set_hena(adapter, 0);
+
+ /* It is a workaround, temporarily allow error to be returned
+ * due to possible lack of PF handling for hena = 0.
+ */
if (ret)
- PMD_DRV_LOG(ERR, "%s Remove rss vsi fail %d",
- __func__, ret);
+ PMD_DRV_LOG(WARNING, "fail to clean existing RSS,"
+ "lack PF support");
/* Set new RSS configuration. */
ret = iavf_rss_hash_set(adapter, rss_conf->rss_hf, true);
@@ -2174,10 +2178,12 @@ iavf_dev_init(struct rte_eth_dev *eth_dev)
/* Set hena = 0 to ask PF to cleanup all existing RSS. */
ret = iavf_set_hena(adapter, 0);
- if (ret) {
- PMD_DRV_LOG(ERR, "fail to disable default PF RSS");
- return ret;
- }
+ if (ret)
+ /* It is a workaround, temporarily allow error to be returned
+ * due to possible lack of PF handling for hena = 0.
+ */
+ PMD_DRV_LOG(WARNING, "fail to disable default RSS,"
+ "lack PF support");
return 0;
}