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It will be pushed if I get no objections before 08/10/25. So please shout if anyone has objections. Also note that after the patch there's a diff of the upstream commit vs the patch applied to the branch. This will indicate if there was any rebasing needed to apply to the stable branch. If there were code changes for rebasing (ie: not only metadata diffs), please double check that the rebase was correctly done. Queued patches are on a temporary branch at: https://git.dpdk.org/dpdk-stable/log/?h=23.11-staging This queued commit can be viewed at: https://git.dpdk.org/dpdk-stable/commit/?h=23.11-staging&id=c6ede264ffe94a1702699b9897c5ea94f8071e32 Thanks. Xueming Li --- >From c6ede264ffe94a1702699b9897c5ea94f8071e32 Mon Sep 17 00:00:00 2001 From: Dhanya Pillai Date: Sat, 5 Jul 2025 21:54:07 +0000 Subject: [PATCH] net/i40e: fix RSS on plain IPv4 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Cc: Xueming Li [ upstream commit 5d47e73e5f4f2eb69bd73f642cfd72b49436bf96 ] Currently, i40e driver is missing the flag reporting RSS support for plain IPv4. Configuring rss function to RTE_ETH_RSS_IPV4 returns an error: "invalid rss hash function value", even though the HW supports RSS on plain IPv4 traffic. Fixes: a286ebeb0714 ("net/i40e: add dynamic mapping of SW flow types to HW pctypes") Cc: stable@dpdk.org Reported-by: Morten Brørup Signed-off-by: Dhanya Pillai Acked-by: Bruce Richardson --- drivers/net/i40e/i40e_rxtx.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/i40e/i40e_rxtx.c b/drivers/net/i40e/i40e_rxtx.c index e65e8829d9..4dafc23bc1 100644 --- a/drivers/net/i40e/i40e_rxtx.c +++ b/drivers/net/i40e/i40e_rxtx.c @@ -3603,6 +3603,8 @@ i40e_set_default_pctype_table(struct rte_eth_dev *dev) ad->flow_types_mask = 0ULL; ad->pctypes_mask = 0ULL; + ad->pctypes_tbl[RTE_ETH_FLOW_IPV4] = + (1ULL << I40E_FILTER_PCTYPE_NONF_IPV4_OTHER); ad->pctypes_tbl[RTE_ETH_FLOW_FRAG_IPV4] = (1ULL << I40E_FILTER_PCTYPE_FRAG_IPV4); ad->pctypes_tbl[RTE_ETH_FLOW_NONFRAG_IPV4_UDP] = -- 2.34.1 --- Diff of the applied patch vs upstream commit (please double-check if non-empty: --- --- - 2025-07-30 22:50:04.296744315 +0800 +++ 0019-net-i40e-fix-RSS-on-plain-IPv4.patch 2025-07-30 22:50:03.052760197 +0800 @@ -1 +1 @@ -From 5d47e73e5f4f2eb69bd73f642cfd72b49436bf96 Mon Sep 17 00:00:00 2001 +From c6ede264ffe94a1702699b9897c5ea94f8071e32 Mon Sep 17 00:00:00 2001 @@ -7,0 +8,3 @@ +Cc: Xueming Li + +[ upstream commit 5d47e73e5f4f2eb69bd73f642cfd72b49436bf96 ] @@ -21 +24 @@ - drivers/net/intel/i40e/i40e_rxtx.c | 2 ++ + drivers/net/i40e/i40e_rxtx.c | 2 ++ @@ -24,5 +27,5 @@ -diff --git a/drivers/net/intel/i40e/i40e_rxtx.c b/drivers/net/intel/i40e/i40e_rxtx.c -index 0b06130fe5..aba3c11ee5 100644 ---- a/drivers/net/intel/i40e/i40e_rxtx.c -+++ b/drivers/net/intel/i40e/i40e_rxtx.c -@@ -3657,6 +3657,8 @@ i40e_set_default_pctype_table(struct rte_eth_dev *dev) +diff --git a/drivers/net/i40e/i40e_rxtx.c b/drivers/net/i40e/i40e_rxtx.c +index e65e8829d9..4dafc23bc1 100644 +--- a/drivers/net/i40e/i40e_rxtx.c ++++ b/drivers/net/i40e/i40e_rxtx.c +@@ -3603,6 +3603,8 @@ i40e_set_default_pctype_table(struct rte_eth_dev *dev)