proxmox-mirrors/mirror_ubuntu-kernels
1
0
Fork 0
mirror of https://git.proxmox.com/git/mirror_ubuntu-kernels.git synced 2025-11-29 19:13:54 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

net/mlx5: fs, add support for dest vport HWS action

Browse Source 
Add support for HW Steering action of vport destination. Add dest vport
actions cache. Hold action in cache per vport / vport and vhca_id. Add
action to cache on demand and remove on namespace closure to reduce
actions creation and destroy.

Signed-off-by: Moshe Shemesh <moshe@nvidia.com>
Reviewed-by: Yevgeny Kliteynik <kliteyn@nvidia.com>
Reviewed-by: Mark Bloch <mbloch@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/20250109160546.1733647-11-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Moshe Shemesh 2025-01-09 18:05:41 +02:00 committed by Jakub Kicinski
parent 2ec6786ad0
commit 8e2e08a6d1
2 changed files with 65 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

63
drivers/net/ethernet/mellanox/mlx5/core/steering/hws/fs_hws.c
View File

@ -1,6 +1,7 @@
// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
/* Copyright (c) 2025 NVIDIA Corporation & Affiliates */
#include <linux/mlx5/vport.h>
#include <mlx5_core.h>
#include <fs_core.h>
#include <fs_cmd.h>
@ -63,6 +64,8 @@ static int mlx5_fs_init_hws_actions_pool(struct mlx5_core_dev *dev,
xa_init(&hws_pool->el2tol2tnl_pools);
xa_init(&hws_pool->mh_pools);
xa_init(&hws_pool->table_dests);
xa_init(&hws_pool->vport_dests);
xa_init(&hws_pool->vport_vhca_dests);
return 0;
cleanup_insert_hdr:
@ -85,9 +88,16 @@ destroy_tag:
static void mlx5_fs_cleanup_hws_actions_pool(struct mlx5_fs_hws_context *fs_ctx)
{
struct mlx5_fs_hws_actions_pool *hws_pool = &fs_ctx->hws_pool;
struct mlx5hws_action *action;
struct mlx5_fs_pool *pool;
unsigned long i;
xa_for_each(&hws_pool->vport_vhca_dests, i, action)
mlx5hws_action_destroy(action);
xa_destroy(&hws_pool->vport_vhca_dests);
xa_for_each(&hws_pool->vport_dests, i, action)
mlx5hws_action_destroy(action);
xa_destroy(&hws_pool->vport_dests);
xa_destroy(&hws_pool->table_dests);
xa_for_each(&hws_pool->mh_pools, i, pool)
mlx5_fs_destroy_mh_pool(pool, &hws_pool->mh_pools, i);
@ -387,6 +397,52 @@ mlx5_fs_create_dest_action_table_num(struct mlx5_fs_hws_context *fs_ctx,
return mlx5hws_action_create_dest_table_num(ctx, table_num, flags);
}
static struct mlx5hws_action *
mlx5_fs_get_dest_action_vport(struct mlx5_fs_hws_context *fs_ctx,
struct mlx5_flow_rule *dst,
bool is_dest_type_uplink)
{
u32 flags = MLX5HWS_ACTION_FLAG_HWS_FDB | MLX5HWS_ACTION_FLAG_SHARED;
struct mlx5_flow_destination *dest_attr = &dst->dest_attr;
struct mlx5hws_context *ctx = fs_ctx->hws_ctx;
struct mlx5hws_action *dest;
struct xarray *dests_xa;
bool vhca_id_valid;
unsigned long idx;
u16 vport_num;
int err;
vhca_id_valid = is_dest_type_uplink ||
(dest_attr->vport.flags & MLX5_FLOW_DEST_VPORT_VHCA_ID);
vport_num = is_dest_type_uplink ? MLX5_VPORT_UPLINK : dest_attr->vport.num;
if (vhca_id_valid) {
dests_xa = &fs_ctx->hws_pool.vport_vhca_dests;
idx = dest_attr->vport.vhca_id << 16 | vport_num;
} else {
dests_xa = &fs_ctx->hws_pool.vport_dests;
idx = vport_num;
}
dest_load:
dest = xa_load(dests_xa, idx);
if (dest)
return dest;
dest = mlx5hws_action_create_dest_vport(ctx, vport_num, vhca_id_valid,
dest_attr->vport.vhca_id, flags);
err = xa_insert(dests_xa, idx, dest, GFP_KERNEL);
if (err) {
mlx5hws_action_destroy(dest);
dest = NULL;
if (err == -EBUSY)
/* xarray entry was already stored by another thread */
goto dest_load;
}
return dest;
}
static struct mlx5hws_action *
mlx5_fs_create_dest_action_range(struct mlx5hws_context *ctx,
struct mlx5_flow_rule *dst)
@ -695,6 +751,8 @@ static int mlx5_fs_fte_get_hws_actions(struct mlx5_flow_root_namespace *ns,
if (fte_action->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) {
list_for_each_entry(dst, &fte->node.children, node.list) {
struct mlx5_flow_destination *attr = &dst->dest_attr;
bool type_uplink =
attr->type == MLX5_FLOW_DESTINATION_TYPE_UPLINK;
if (num_fs_actions == MLX5_FLOW_CONTEXT_ACTION_MAX ||
num_dest_actions == MLX5_FLOW_CONTEXT_ACTION_MAX) {
@ -721,6 +779,11 @@ static int mlx5_fs_fte_get_hws_actions(struct mlx5_flow_root_namespace *ns,
dest_action = mlx5_fs_create_dest_action_range(ctx, dst);
fs_actions[num_fs_actions++].action = dest_action;
break;
case MLX5_FLOW_DESTINATION_TYPE_UPLINK:
case MLX5_FLOW_DESTINATION_TYPE_VPORT:
dest_action = mlx5_fs_get_dest_action_vport(fs_ctx, dst,
type_uplink);
break;
default:
err = -EOPNOTSUPP;
goto free_actions;

2
drivers/net/ethernet/mellanox/mlx5/core/steering/hws/fs_hws.h
View File

@ -20,6 +20,8 @@ struct mlx5_fs_hws_actions_pool {
struct xarray el2tol2tnl_pools;
struct xarray mh_pools;
struct xarray table_dests;
struct xarray vport_vhca_dests;
struct xarray vport_dests;
};
struct mlx5_fs_hws_context {