net/ixgbe: fix RSS flow error return

If hash function is 0, it should disable RSS then return 0.

Fixes: 518cc3927b13 ("net/ixgbe: move RSS to flow API")
Cc: stable@dpdk.org
Signed-off-by: Wei Zhao <wei.zhao1@intel.com>
Tested-by: Yuan Peng <yuan.peng@intel.com>
Acked-by: Qi Zhang <qi.z.zhang@intel.com>

diff --git a/drivers/net/ixgbe/ixgbe_rxtx.c b/drivers/net/ixgbe/ixgbe_rxtx.c
index 8609f41..9e2fbba 100644 (file)
--- a/drivers/net/ixgbe/ixgbe_rxtx.c
+++ b/drivers/net/ixgbe/ixgbe_rxtx.c
@@ -5702,7 +5702,7 @@ ixgbe_config_rss_filter(struct rte_eth_dev *dev,
         */
        if ((rss_conf.rss_hf & IXGBE_RSS_OFFLOAD_ALL) == 0) {
                ixgbe_rss_disable(dev);
-               return -EINVAL;
+               return 0;
        }
        if (rss_conf.rss_key == NULL)
                rss_conf.rss_key = rss_intel_key; /* Default hash key */