From a5c1c749cc7431312fdc02460312097395ffef29 Mon Sep 17 00:00:00 2001
From: Alaa Hleihel <ahleihel@redhat.com>
Date: Tue, 12 May 2020 10:53:36 -0400
Subject: [PATCH 130/312] [netdrv] net/mlx5e: Support accept action on nic
table
Message-id: <20200512105530.4207-11-ahleihel@redhat.com>
Patchwork-id: 306882
Patchwork-instance: patchwork
O-Subject: [RHEL8.3 BZ 1789382 010/124] net/mlx5e: Support accept action on nic table
Bugzilla: 1789382
RH-Acked-by: Tony Camuso <tcamuso@redhat.com>
RH-Acked-by: Kamal Heib <kheib@redhat.com>
RH-Acked-by: Jarod Wilson <jarod@redhat.com>
Bugzilla: http://bugzilla.redhat.com/1789382
Upstream: v5.6-rc1
commit 15fc92ec3ad4cfb34218e6b6c38c1355938fe49e
Author: Tonghao Zhang <xiangxia.m.yue@gmail.com>
Date: Tue Dec 10 22:49:42 2019 +0800
net/mlx5e: Support accept action on nic table
In one case, we may forward packets from one vport
to others, but only one packets flow will be accepted,
which destination ip was assign to VF.
+-----+ +-----+ +-----+
| VFn | | VF1 | | VF0 | accept
+--+--+ +--+--+ hairpin +--^--+
| | <--------------- |
| | |
+--+-----------v-+ +--+-------------+
| eswitch PF1 | | eswitch PF0 |
+----------------+ +----------------+
tc filter add dev $PF0 protocol all parent ffff: prio 1 handle 1 \
flower skip_sw action mirred egress redirect dev $VF0_REP
tc filter add dev $VF0 protocol ip parent ffff: prio 1 handle 1 \
flower skip_sw dst_ip $VF0_IP action pass
tc filter add dev $VF0 protocol all parent ffff: prio 2 handle 2 \
flower skip_sw action mirred egress redirect dev $VF1
Signed-off-by: Tonghao Zhang <xiangxia.m.yue@gmail.com>
Reviewed-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Alaa Hleihel <ahleihel@redhat.com>
Signed-off-by: Frantisek Hrbata <fhrbata@redhat.com>
---
drivers/net/ethernet/mellanox/mlx5/core/en_tc.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
index f701d62a86b1..93631f477140 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
@@ -2831,6 +2831,10 @@ static int parse_tc_nic_actions(struct mlx5e_priv *priv,
flow_action_for_each(i, act, flow_action) {
switch (act->id) {
+ case FLOW_ACTION_ACCEPT:
+ action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST |
+ MLX5_FLOW_CONTEXT_ACTION_COUNT;
+ break;
case FLOW_ACTION_DROP:
action |= MLX5_FLOW_CONTEXT_ACTION_DROP;
if (MLX5_CAP_FLOWTABLE(priv->mdev,
--
2.13.6