mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-09-14 06:35:12 +00:00
Code Issues Releases Wiki Activity

net/mlx5: E-Switch, Add event callback for representors

Browse source 
This callback will allow to notify representors about relevant events
when in OFFLOADS mode. In downstream patches, this will be used to notify
about PAIR/UNPAIR devcom events.

Signed-off-by: Mark Bloch <mbloch@nvidia.com>
Reviewed-by: Mark Zhang <markzhang@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
This commit is contained in:
Mark Bloch 2021-08-03 16:19:54 -07:00 committed by Saeed Mahameed
parent 2198b93279
commit c8e6a9e6d6
2 changed files with 56 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

50
drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
View file

@ -2316,11 +2316,22 @@ void esw_offloads_unload_rep(struct mlx5_eswitch *esw, u16 vport_num)
#define ESW_OFFLOADS_DEVCOM_PAIR (0)
#define ESW_OFFLOADS_DEVCOM_UNPAIR (1)
static int mlx5_esw_offloads_pair(struct mlx5_eswitch *esw,
struct mlx5_eswitch *peer_esw)
static void mlx5_esw_offloads_rep_event_unpair(struct mlx5_eswitch *esw)
{
const struct mlx5_eswitch_rep_ops *ops;
struct mlx5_eswitch_rep *rep;
unsigned long i;
u8 rep_type;
return esw_add_fdb_peer_miss_rules(esw, peer_esw->dev);
mlx5_esw_for_each_rep(esw, i, rep) {
rep_type = NUM_REP_TYPES;
while (rep_type--) {
ops = esw->offloads.rep_ops[rep_type];
if (atomic_read(&rep->rep_data[rep_type].state) == REP_LOADED &&
ops->event)
ops->event(esw, rep, MLX5_SWITCHDEV_EVENT_UNPAIR, NULL);
}
}
}
static void mlx5_esw_offloads_unpair(struct mlx5_eswitch *esw)
@ -2328,9 +2339,42 @@ static void mlx5_esw_offloads_unpair(struct mlx5_eswitch *esw)
#if IS_ENABLED(CONFIG_MLX5_CLS_ACT)
mlx5e_tc_clean_fdb_peer_flows(esw);
#endif
mlx5_esw_offloads_rep_event_unpair(esw);
esw_del_fdb_peer_miss_rules(esw);
}
static int mlx5_esw_offloads_pair(struct mlx5_eswitch *esw,
struct mlx5_eswitch *peer_esw)
{
const struct mlx5_eswitch_rep_ops *ops;
struct mlx5_eswitch_rep *rep;
unsigned long i;
u8 rep_type;
int err;
err = esw_add_fdb_peer_miss_rules(esw, peer_esw->dev);
if (err)
return err;
mlx5_esw_for_each_rep(esw, i, rep) {
for (rep_type = 0; rep_type < NUM_REP_TYPES; rep_type++) {
ops = esw->offloads.rep_ops[rep_type];
if (atomic_read(&rep->rep_data[rep_type].state) == REP_LOADED &&
ops->event) {
err = ops->event(esw, rep, MLX5_SWITCHDEV_EVENT_PAIR, peer_esw);
if (err)
goto err_out;
}
}
}
return 0;
err_out:
mlx5_esw_offloads_unpair(esw);
return err;
}
static int mlx5_esw_offloads_set_ns_peer(struct mlx5_eswitch *esw,
struct mlx5_eswitch *peer_esw,
bool pair)

9
include/linux/mlx5/eswitch.h
View file

@ -29,11 +29,20 @@ enum {
REP_LOADED,
};
enum mlx5_switchdev_event {
MLX5_SWITCHDEV_EVENT_PAIR,
MLX5_SWITCHDEV_EVENT_UNPAIR,
};
struct mlx5_eswitch_rep;
struct mlx5_eswitch_rep_ops {
int (*load)(struct mlx5_core_dev *dev, struct mlx5_eswitch_rep *rep);
void (*unload)(struct mlx5_eswitch_rep *rep);
void *(*get_proto_dev)(struct mlx5_eswitch_rep *rep);
int (*event)(struct mlx5_eswitch *esw,
struct mlx5_eswitch_rep *rep,
enum mlx5_switchdev_event event,
void *data);
};
struct mlx5_eswitch_rep_data {