diff options
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/eswitch.c | 91 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/eswitch.h | 2 |
2 files changed, 79 insertions, 14 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c index 37b4be9..6c72562 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c @@ -323,15 +323,17 @@ static void del_l2_table_entry(struct mlx5_core_dev *dev, u32 index) /* E-Switch FDB */ static struct mlx5_flow_rule * -esw_fdb_set_vport_rule(struct mlx5_eswitch *esw, u8 mac[ETH_ALEN], u32 vport) +__esw_fdb_set_vport_rule(struct mlx5_eswitch *esw, u32 vport, + u8 mac_c[ETH_ALEN], u8 mac_v[ETH_ALEN]) { - int match_header = MLX5_MATCH_OUTER_HEADERS; - struct mlx5_flow_destination dest; + int match_header = (is_zero_ether_addr(mac_c) ? 0 : + MLX5_MATCH_OUTER_HEADERS); struct mlx5_flow_rule *flow_rule = NULL; + struct mlx5_flow_destination dest; + u8 *dmac_v = NULL; + u8 *dmac_c = NULL; u32 *match_v; u32 *match_c; - u8 *dmac_v; - u8 *dmac_c; match_v = kzalloc(MLX5_ST_SZ_BYTES(fte_match_param), GFP_KERNEL); match_c = kzalloc(MLX5_ST_SZ_BYTES(fte_match_param), GFP_KERNEL); @@ -339,14 +341,16 @@ esw_fdb_set_vport_rule(struct mlx5_eswitch *esw, u8 mac[ETH_ALEN], u32 vport) pr_warn("FDB: Failed to alloc match parameters\n"); goto out; } + dmac_v = MLX5_ADDR_OF(fte_match_param, match_v, outer_headers.dmac_47_16); dmac_c = MLX5_ADDR_OF(fte_match_param, match_c, outer_headers.dmac_47_16); - ether_addr_copy(dmac_v, mac); - /* Match criteria mask */ - memset(dmac_c, 0xff, 6); + if (match_header == MLX5_MATCH_OUTER_HEADERS) { + ether_addr_copy(dmac_v, mac_v); + ether_addr_copy(dmac_c, mac_c); + } dest.type = MLX5_FLOW_DESTINATION_TYPE_VPORT; dest.vport_num = vport; @@ -373,6 +377,15 @@ out: return flow_rule; } +static struct mlx5_flow_rule * +esw_fdb_set_vport_rule(struct mlx5_eswitch *esw, u8 mac[ETH_ALEN], u32 vport) +{ + u8 mac_c[ETH_ALEN]; + + eth_broadcast_addr(mac_c); + return __esw_fdb_set_vport_rule(esw, vport, mac_c, mac); +} + static int esw_create_fdb_table(struct mlx5_eswitch *esw, int nvports) { int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in); @@ -407,28 +420,74 @@ static int esw_create_fdb_table(struct mlx5_eswitch *esw, int nvports) esw_warn(dev, "Failed to create FDB Table err %d\n", err); goto out; } + esw->fdb_table.fdb = fdb; + /* Addresses group : Full match unicast/multicast addresses */ MLX5_SET(create_flow_group_in, flow_group_in, match_criteria_enable, MLX5_MATCH_OUTER_HEADERS); match_criteria = MLX5_ADDR_OF(create_flow_group_in, flow_group_in, match_criteria); dmac = MLX5_ADDR_OF(fte_match_param, match_criteria, outer_headers.dmac_47_16); MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, 0); - MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, table_size - 1); + /* Preserve 2 entries for allmulti and promisc rules*/ + MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, table_size - 3); eth_broadcast_addr(dmac); - g = mlx5_create_flow_group(fdb, flow_group_in); if (IS_ERR_OR_NULL(g)) { err = PTR_ERR(g); esw_warn(dev, "Failed to create flow group err(%d)\n", err); goto out; } - esw->fdb_table.addr_grp = g; - esw->fdb_table.fdb = fdb; + + /* Allmulti group : One rule that forwards any mcast traffic */ + MLX5_SET(create_flow_group_in, flow_group_in, match_criteria_enable, + MLX5_MATCH_OUTER_HEADERS); + MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, table_size - 2); + MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, table_size - 2); + eth_zero_addr(dmac); + dmac[0] = 0x01; + g = mlx5_create_flow_group(fdb, flow_group_in); + if (IS_ERR_OR_NULL(g)) { + err = PTR_ERR(g); + esw_warn(dev, "Failed to create allmulti flow group err(%d)\n", err); + goto out; + } + esw->fdb_table.allmulti_grp = g; + + /* Promiscuous group : + * One rule that forward all unmatched traffic from previous groups + */ + eth_zero_addr(dmac); + MLX5_SET(create_flow_group_in, flow_group_in, match_criteria_enable, + MLX5_MATCH_MISC_PARAMETERS); + MLX5_SET_TO_ONES(fte_match_param, match_criteria, misc_parameters.source_port); + MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, table_size - 1); + MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, table_size - 1); + g = mlx5_create_flow_group(fdb, flow_group_in); + if (IS_ERR_OR_NULL(g)) { + err = PTR_ERR(g); + esw_warn(dev, "Failed to create promisc flow group err(%d)\n", err); + goto out; + } + esw->fdb_table.promisc_grp = g; + out: + if (err) { + if (!IS_ERR_OR_NULL(esw->fdb_table.allmulti_grp)) { + mlx5_destroy_flow_group(esw->fdb_table.allmulti_grp); + esw->fdb_table.allmulti_grp = NULL; + } + if (!IS_ERR_OR_NULL(esw->fdb_table.addr_grp)) { + mlx5_destroy_flow_group(esw->fdb_table.addr_grp); + esw->fdb_table.addr_grp = NULL; + } + if (!IS_ERR_OR_NULL(esw->fdb_table.fdb)) { + mlx5_destroy_flow_table(esw->fdb_table.fdb); + esw->fdb_table.fdb = NULL; + } + } + kfree(flow_group_in); - if (err && !IS_ERR_OR_NULL(fdb)) - mlx5_destroy_flow_table(fdb); return err; } @@ -438,10 +497,14 @@ static void esw_destroy_fdb_table(struct mlx5_eswitch *esw) return; esw_debug(esw->dev, "Destroy FDB Table\n"); + mlx5_destroy_flow_group(esw->fdb_table.promisc_grp); + mlx5_destroy_flow_group(esw->fdb_table.allmulti_grp); mlx5_destroy_flow_group(esw->fdb_table.addr_grp); mlx5_destroy_flow_table(esw->fdb_table.fdb); esw->fdb_table.fdb = NULL; esw->fdb_table.addr_grp = NULL; + esw->fdb_table.allmulti_grp = NULL; + esw->fdb_table.promisc_grp = NULL; } /* E-Switch vport UC/MC lists management */ diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h index 2f979c9..36e87cb 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h @@ -132,6 +132,8 @@ struct mlx5_l2_table { struct mlx5_eswitch_fdb { void *fdb; struct mlx5_flow_group *addr_grp; + struct mlx5_flow_group *allmulti_grp; + struct mlx5_flow_group *promisc_grp; }; struct mlx5_eswitch { |