CBL-Mariner/SPECS/kernel-hci/0056-net-mlx5-Add-ability-t...

75 строки
2.6 KiB
Diff

From c2c922dae77f36e24d246c6e310cee0c61afc6fb Mon Sep 17 00:00:00 2001
From: Mark Bloch <mbloch@nvidia.com>
Date: Mon, 29 Nov 2021 16:24:28 +0200
Subject: [PATCH 100/107] net/mlx5: Add ability to insert to specific flow
group
If the flow table isn't an autogroup the upper driver has to create the
flow groups explicitly. This information can't later be used when
creating rules to insert into a specific flow group. Allow such use case.
Signed-off-by: Mark Bloch <mbloch@nvidia.com>
Reviewed-by: Maor Gottlieb <maorg@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
---
drivers/net/ethernet/mellanox/mlx5/core/fs_core.c | 9 ++++++++-
include/linux/mlx5/fs.h | 1 +
2 files changed, 9 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
index b628917e38e4..ebb7960ec62b 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
@@ -1696,6 +1696,7 @@ static void free_match_list(struct match_list *head, bool ft_locked)
static int build_match_list(struct match_list *match_head,
struct mlx5_flow_table *ft,
const struct mlx5_flow_spec *spec,
+ struct mlx5_flow_group *fg,
bool ft_locked)
{
struct rhlist_head *tmp, *list;
@@ -1710,6 +1711,9 @@ static int build_match_list(struct match_list *match_head,
rhl_for_each_entry_rcu(g, tmp, list, hash) {
struct match_list *curr_match;
+ if (fg && fg != g)
+ continue;
+
if (unlikely(!tree_get_node(&g->node)))
continue;
@@ -1889,6 +1893,9 @@ _mlx5_add_flow_rules(struct mlx5_flow_table *ft,
if (!check_valid_spec(spec))
return ERR_PTR(-EINVAL);
+ if (flow_act->fg && ft->autogroup.active)
+ return ERR_PTR(-EINVAL);
+
for (i = 0; i < dest_num; i++) {
if (!dest_is_valid(&dest[i], flow_act, ft))
return ERR_PTR(-EINVAL);
@@ -1898,7 +1905,7 @@ _mlx5_add_flow_rules(struct mlx5_flow_table *ft,
version = atomic_read(&ft->node.version);
/* Collect all fgs which has a matching match_criteria */
- err = build_match_list(&match_head, ft, spec, take_write);
+ err = build_match_list(&match_head, ft, spec, flow_act->fg, take_write);
if (err) {
if (take_write)
up_write_ref_node(&ft->node, false);
diff --git a/include/linux/mlx5/fs.h b/include/linux/mlx5/fs.h
index b1aad14689e3..e3bfed68b08a 100644
--- a/include/linux/mlx5/fs.h
+++ b/include/linux/mlx5/fs.h
@@ -224,6 +224,7 @@ struct mlx5_flow_act {
u32 flags;
struct mlx5_fs_vlan vlan[MLX5_FS_VLAN_DEPTH];
struct ib_counters *counters;
+ struct mlx5_flow_group *fg;
};
#define MLX5_DECLARE_FLOW_ACT(name) \
--
2.33.2