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net/mlx5: E-Switch, skip uplink IB rep load for SD secondary devices

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SD secondary devices share the primary's uplink and do not have
their own uplink representor. When reloading IB reps on secondary
devices, skip the uplink and only load VF/SF vport IB reps.

Signed-off-by: Shay Drory <shayd@nvidia.com>
Reviewed-by: Mark Bloch <mbloch@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/20260612113904.537595-2-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Shay Drory 2026-06-12 14:38:50 +03:00 committed by Jakub Kicinski
parent 2319688890
commit 597baeb467
1 changed files with 21 additions and 4 deletions
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25
drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
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@ -3643,11 +3643,19 @@ int mlx5_eswitch_reload_ib_reps(struct mlx5_eswitch *esw)
if (atomic_read(&rep->rep_data[REP_ETH].state) != REP_LOADED)
return 0;
ret = __esw_offloads_load_rep(esw, rep, REP_IB, NULL);
if (ret)
return ret;
/* SD secondary devices share the primary's uplink and do not
* have their own uplink representor. Only load VF/SF vports.
*/
if (mlx5_sd_is_primary(esw->dev)) {
ret = __esw_offloads_load_rep(esw, rep, REP_IB, NULL);
if (ret)
return ret;
}
mlx5_esw_for_each_rep(esw, i, rep) {
if (!mlx5_sd_is_primary(esw->dev) &&
rep->vport == MLX5_VPORT_UPLINK)
continue;
if (atomic_read(&rep->rep_data[REP_ETH].state) == REP_LOADED)
__esw_offloads_load_rep(esw, rep, REP_IB, NULL);
}
@ -4586,14 +4594,23 @@ mlx5_eswitch_register_vport_reps_blocked(struct mlx5_eswitch *esw,
static void mlx5_eswitch_reload_reps_blocked(struct mlx5_eswitch *esw)
{
struct mlx5_eswitch_rep *uplink;
struct mlx5_vport *vport;
bool newly_loaded;
unsigned long i;
if (esw->mode != MLX5_ESWITCH_OFFLOADS)
return;
if (mlx5_esw_offloads_rep_load(esw, MLX5_VPORT_UPLINK))
uplink = mlx5_eswitch_get_rep(esw, MLX5_VPORT_UPLINK);
if (__esw_offloads_load_rep(esw, uplink, REP_ETH, &newly_loaded))
return;
if (mlx5_sd_is_primary(esw->dev) &&
__esw_offloads_load_rep(esw, uplink, REP_IB, NULL)) {
if (newly_loaded)
__esw_offloads_unload_rep(esw, uplink, REP_ETH);
return;
}
mlx5_esw_for_each_vport(esw, i, vport) {
if (!vport)