diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c')
-rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c | 96 |
1 files changed, 95 insertions, 1 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c index f84aa794d080..ed8ad988f07a 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c @@ -38,7 +38,7 @@ #include "mlx5_core.h" #include "eswitch.h" -struct mlx5_flow_rule * +static struct mlx5_flow_rule * mlx5_eswitch_add_send_to_vport_rule(struct mlx5_eswitch *esw, int vport, u32 sqn) { struct mlx5_flow_destination dest; @@ -77,6 +77,63 @@ out: return flow_rule; } +void mlx5_eswitch_sqs2vport_stop(struct mlx5_eswitch *esw, + struct mlx5_eswitch_rep *rep) +{ + struct mlx5_esw_sq *esw_sq, *tmp; + + if (esw->mode != SRIOV_OFFLOADS) + return; + + list_for_each_entry_safe(esw_sq, tmp, &rep->vport_sqs_list, list) { + mlx5_del_flow_rule(esw_sq->send_to_vport_rule); + list_del(&esw_sq->list); + kfree(esw_sq); + } +} + +int mlx5_eswitch_sqs2vport_start(struct mlx5_eswitch *esw, + struct mlx5_eswitch_rep *rep, + u16 *sqns_array, int sqns_num) +{ + struct mlx5_flow_rule *flow_rule; + struct mlx5_esw_sq *esw_sq; + int vport; + int err; + int i; + + if (esw->mode != SRIOV_OFFLOADS) + return 0; + + vport = rep->vport == 0 ? + FDB_UPLINK_VPORT : rep->vport; + + for (i = 0; i < sqns_num; i++) { + esw_sq = kzalloc(sizeof(*esw_sq), GFP_KERNEL); + if (!esw_sq) { + err = -ENOMEM; + goto out_err; + } + + /* Add re-inject rule to the PF/representor sqs */ + flow_rule = mlx5_eswitch_add_send_to_vport_rule(esw, + vport, + sqns_array[i]); + if (IS_ERR(flow_rule)) { + err = PTR_ERR(flow_rule); + kfree(esw_sq); + goto out_err; + } + esw_sq->send_to_vport_rule = flow_rule; + list_add(&esw_sq->list, &rep->vport_sqs_list); + } + return 0; + +out_err: + mlx5_eswitch_sqs2vport_stop(esw, rep); + return err; +} + static int esw_add_fdb_miss_rule(struct mlx5_eswitch *esw) { struct mlx5_flow_destination dest; @@ -347,6 +404,8 @@ static int esw_offloads_start(struct mlx5_eswitch *esw) int esw_offloads_init(struct mlx5_eswitch *esw, int nvports) { + struct mlx5_eswitch_rep *rep; + int vport; int err; err = esw_create_offloads_fdb_table(esw, nvports); @@ -361,8 +420,26 @@ int esw_offloads_init(struct mlx5_eswitch *esw, int nvports) if (err) goto create_fg_err; + for (vport = 0; vport < nvports; vport++) { + rep = &esw->offloads.vport_reps[vport]; + if (!rep->valid) + continue; + + err = rep->load(esw, rep); + if (err) + goto err_reps; + } return 0; +err_reps: + for (vport--; vport >= 0; vport--) { + rep = &esw->offloads.vport_reps[vport]; + if (!rep->valid) + continue; + rep->unload(esw, rep); + } + esw_destroy_vport_rx_group(esw); + create_fg_err: esw_destroy_offloads_table(esw); @@ -385,6 +462,16 @@ static int esw_offloads_stop(struct mlx5_eswitch *esw) void esw_offloads_cleanup(struct mlx5_eswitch *esw, int nvports) { + struct mlx5_eswitch_rep *rep; + int vport; + + for (vport = 0; vport < nvports; vport++) { + rep = &esw->offloads.vport_reps[vport]; + if (!rep->valid) + continue; + rep->unload(esw, rep); + } + esw_destroy_vport_rx_group(esw); esw_destroy_offloads_table(esw); esw_destroy_offloads_fdb_table(esw); @@ -460,6 +547,7 @@ void mlx5_eswitch_register_vport_rep(struct mlx5_eswitch *esw, memcpy(&offloads->vport_reps[rep->vport], rep, sizeof(struct mlx5_eswitch_rep)); + INIT_LIST_HEAD(&offloads->vport_reps[rep->vport].vport_sqs_list); offloads->vport_reps[rep->vport].valid = true; } @@ -467,6 +555,12 @@ void mlx5_eswitch_unregister_vport_rep(struct mlx5_eswitch *esw, int vport) { struct mlx5_esw_offload *offloads = &esw->offloads; + struct mlx5_eswitch_rep *rep; + + rep = &offloads->vport_reps[vport]; + + if (esw->mode == SRIOV_OFFLOADS && esw->vports[vport].enabled) + rep->unload(esw, rep); offloads->vport_reps[vport].valid = false; } |