diff --git a/0001-net-mlx5-avoid-setting-kernel-MTU-if-not-needed.patch b/0001-net-mlx5-avoid-setting-kernel-MTU-if-not-needed.patch new file mode 100644 index 0000000..c2590a9 --- /dev/null +++ b/0001-net-mlx5-avoid-setting-kernel-MTU-if-not-needed.patch @@ -0,0 +1,43 @@ +From f1f9113a08b202d302ba9448d351c04da48ff46d Mon Sep 17 00:00:00 2001 +From: Maxime Coquelin +Date: Wed, 28 May 2025 11:36:44 +0200 +Subject: [PATCH] net/mlx5: avoid setting kernel MTU if not needed + +This patch checks whether the Kernel MTU has the same value +as the requested one at port configuration time, and skip +setting it if it is the same. + +Doing this, we can avoid the application to require +NET_ADMIN capability, as in v23.11. + +Fixes: 10859ecf09c4 ("net/mlx5: fix MTU configuration") +Cc: stable@dpdk.org + +Signed-off-by: Maxime Coquelin +Acked-by: Dariusz Sosnowski +--- + drivers/net/mlx5/mlx5_ethdev.c | 8 ++++++++ + 1 file changed, 8 insertions(+) + +diff --git a/drivers/net/mlx5/mlx5_ethdev.c b/drivers/net/mlx5/mlx5_ethdev.c +index a50320075c..b7df39ace9 100644 +--- a/drivers/net/mlx5/mlx5_ethdev.c ++++ b/drivers/net/mlx5/mlx5_ethdev.c +@@ -678,6 +678,14 @@ mlx5_dev_set_mtu(struct rte_eth_dev *dev, uint16_t mtu) + ret = mlx5_get_mtu(dev, &kern_mtu); + if (ret) + return ret; ++ ++ if (kern_mtu == mtu) { ++ priv->mtu = mtu; ++ DRV_LOG(DEBUG, "port %u adapter MTU was already set to %u", ++ dev->data->port_id, mtu); ++ return 0; ++ } ++ + /* Set kernel interface MTU first. */ + ret = mlx5_set_mtu(dev, mtu); + if (ret) +-- +2.49.0 + diff --git a/dpdk.spec b/dpdk.spec index 62c419c..69a9fb8 100644 --- a/dpdk.spec +++ b/dpdk.spec @@ -9,7 +9,7 @@ #% define shortcommit0 %(c=%{commit0}; echo ${c:0:7}) %define ver 24.11.2 -%define rel 1 +%define rel 2 %define srcname dpdk%(awk -F. '{ if (NF > 2) print "-stable" }' <<<%{version}) @@ -31,6 +31,8 @@ Source: https://fast.dpdk.org/rel/dpdk-%{ver}.tar.xz # Only needed for creating snapshot tarballs, not used in build itself Source100: dpdk-snapshot.sh +Patch1: 0001-net-mlx5-avoid-setting-kernel-MTU-if-not-needed.patch + Summary: Set of libraries and drivers for fast packet processing # @@ -288,6 +290,9 @@ find %{buildroot}%{_datadir}/man/ -type f -a ! -iname "*rte_*" -exec rm {} \; %endif %changelog +* Thu Jun 26 2025 Maxime Coquelin - 24.11.2-2 +- Avoid requiring NET_ADMIN with mlx5 (RHEL-93856) + * Mon Jun 23 2025 Kevin Traynor - 24.11.2-1 - Rebase to 24.11.2 (RHEL-96849)