[PATCH 2/2] net/nfp: fix getting wrong RSS configuration

[PATCH 2/2] net/nfp: fix getting wrong RSS configuration

[Chaoyong He]

From: Long Wu <long.wu@corigine.com>

"NFP_NET_CFG_RSS_IPV4" and "NFP_NET_CFG_RSS_IPV6" represent that firmware
will calculate RSS base on l3 rather than udp or tcp information from
packets. So the logic of return RSS configuration in driver is wrong.
Modify code to return the right configuration.

Fixes: 934e4c60fbff ("nfp: add RSS")
Cc: louis.peens@corigine.com
Cc: stable@dpdk.org

Signed-off-by: Long Wu <long.wu@corigine.com>
Reviewed-by: Chaoyong He <chaoyong.he@corigine.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@corigine.com>
---
 drivers/net/nfp/nfp_common.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/nfp/nfp_common.c b/drivers/net/nfp/nfp_common.c
index cfc38db65a..a025c67e3b 100644
--- a/drivers/net/nfp/nfp_common.c
+++ b/drivers/net/nfp/nfp_common.c
@@ -1420,7 +1420,7 @@ nfp_net_rss_hash_conf_get(struct rte_eth_dev *dev,
 	cfg_rss_ctrl = nn_cfg_readl(hw, NFP_NET_CFG_RSS_CTRL);
 
 	if (cfg_rss_ctrl & NFP_NET_CFG_RSS_IPV4)
-		rss_hf |= RTE_ETH_RSS_NONFRAG_IPV4_TCP | RTE_ETH_RSS_NONFRAG_IPV4_UDP;
+		rss_hf |= RTE_ETH_RSS_IPV4;
 
 	if (cfg_rss_ctrl & NFP_NET_CFG_RSS_IPV4_TCP)
 		rss_hf |= RTE_ETH_RSS_NONFRAG_IPV4_TCP;
@@ -1435,7 +1435,7 @@ nfp_net_rss_hash_conf_get(struct rte_eth_dev *dev,
 		rss_hf |= RTE_ETH_RSS_NONFRAG_IPV6_UDP;
 
 	if (cfg_rss_ctrl & NFP_NET_CFG_RSS_IPV6)
-		rss_hf |= RTE_ETH_RSS_NONFRAG_IPV4_UDP | RTE_ETH_RSS_NONFRAG_IPV6_UDP;
+		rss_hf |= RTE_ETH_RSS_IPV6;
 
 	if (cfg_rss_ctrl & NFP_NET_CFG_RSS_IPV4_SCTP)
 		rss_hf |= RTE_ETH_RSS_NONFRAG_IPV4_SCTP;
-- 
2.29.3