[dpdk-dev] [PATCH] net/nfp: fix RSS

[Alejandro Lucero]

Three problems are fixed in this patch:

 - RSS capabilities not advertised properly
 - RSS configuration just done for some RSS types
 - RSS hash match reported for just some RSS types

Fixes: 934e4c60fbff ("nfp: add RSS")
Cc: stable at dpdk.org

Signed-off-by: Alejandro Lucero <alejandro.lucero at netronome.com>
---
 drivers/net/nfp/nfp_net.c | 36 +++++++++++++++++++++++++++++-------
 1 file changed, 29 insertions(+), 7 deletions(-)

diff --git a/drivers/net/nfp/nfp_net.c b/drivers/net/nfp/nfp_net.c
index 168088c..e20df99 100644
--- a/drivers/net/nfp/nfp_net.c
+++ b/drivers/net/nfp/nfp_net.c
@@ -1198,8 +1198,10 @@ enum nfp_qcp_ptr {
 		.tx_rs_thresh = DEFAULT_TX_RSBIT_THRESH,
 	};
 
-	dev_info->flow_type_rss_offloads = ETH_RSS_NONFRAG_IPV4_TCP |
+	dev_info->flow_type_rss_offloads = ETH_RSS_IPV4 |
+					   ETH_RSS_NONFRAG_IPV4_TCP |
 					   ETH_RSS_NONFRAG_IPV4_UDP |
+					   ETH_RSS_IPV6 |
 					   ETH_RSS_NONFRAG_IPV6_TCP |
 					   ETH_RSS_NONFRAG_IPV6_UDP;
 
@@ -1877,6 +1879,18 @@ enum nfp_qcp_ptr {
 	case NFP_NET_RSS_IPV6_EX:
 		mbuf->packet_type |= RTE_PTYPE_INNER_L3_IPV6_EXT;
 		break;
+	case NFP_NET_RSS_IPV4_TCP:
+		mbuf->packet_type |= RTE_PTYPE_INNER_L3_IPV6_EXT;
+		break;
+	case NFP_NET_RSS_IPV6_TCP:
+		mbuf->packet_type |= RTE_PTYPE_INNER_L3_IPV6_EXT;
+		break;
+	case NFP_NET_RSS_IPV4_UDP:
+		mbuf->packet_type |= RTE_PTYPE_INNER_L3_IPV6_EXT;
+		break;
+	case NFP_NET_RSS_IPV6_UDP:
+		mbuf->packet_type |= RTE_PTYPE_INNER_L3_IPV6_EXT;
+		break;
 	default:
 		mbuf->packet_type |= RTE_PTYPE_INNER_L4_MASK;
 	}
@@ -2458,14 +2472,22 @@ uint32_t nfp_net_txq_full(struct nfp_net_txq *txq)
 	rss_hf = rss_conf->rss_hf;
 
 	if (rss_hf & ETH_RSS_IPV4)
-		cfg_rss_ctrl |= NFP_NET_CFG_RSS_IPV4 |
-				NFP_NET_CFG_RSS_IPV4_TCP |
-				NFP_NET_CFG_RSS_IPV4_UDP;
+		cfg_rss_ctrl |= NFP_NET_CFG_RSS_IPV4;
+
+	if (rss_hf & ETH_RSS_NONFRAG_IPV4_TCP)
+		cfg_rss_ctrl |= NFP_NET_CFG_RSS_IPV4_TCP;
+
+	if (rss_hf & ETH_RSS_NONFRAG_IPV4_UDP)
+		cfg_rss_ctrl |= NFP_NET_CFG_RSS_IPV4_UDP;
 
 	if (rss_hf & ETH_RSS_IPV6)
-		cfg_rss_ctrl |= NFP_NET_CFG_RSS_IPV6 |
-				NFP_NET_CFG_RSS_IPV6_TCP |
-				NFP_NET_CFG_RSS_IPV6_UDP;
+		cfg_rss_ctrl |= NFP_NET_CFG_RSS_IPV6;
+
+	if (rss_hf & ETH_RSS_NONFRAG_IPV6_TCP)
+		cfg_rss_ctrl |= NFP_NET_CFG_RSS_IPV6_TCP;
+
+	if (rss_hf & ETH_RSS_NONFRAG_IPV6_UDP)
+		cfg_rss_ctrl |= NFP_NET_CFG_RSS_IPV6_UDP;
 
 	cfg_rss_ctrl |= NFP_NET_CFG_RSS_MASK;
 	cfg_rss_ctrl |= NFP_NET_CFG_RSS_TOEPLITZ;
-- 
1.9.1