diff options
author | 2022-07-18 13:38:00 +0300 | |
---|---|---|
committer | 2022-08-22 22:44:25 -0700 | |
commit | 4a561817064f9aa21361d7ed4640578556c42a10 (patch) | |
tree | b0a620f0a0f4967b4ab941e8d21468a78f282bee /drivers/net | |
parent | net/mlx5: E-Switch, Add default drop rule for unmatched packets (diff) | |
download | linux-4a561817064f9aa21361d7ed4640578556c42a10.tar.gz linux-4a561817064f9aa21361d7ed4640578556c42a10.tar.bz2 linux-4a561817064f9aa21361d7ed4640578556c42a10.zip |
net/mlx5: E-Switch, Split creating fdb tables into smaller chunks
Split esw_create_offloads_fdb_tables() into smaller functions.
This will help maintenance.
Signed-off-by: Roi Dayan <roid@nvidia.com>
Reviewed-by: Mark Bloch <mbloch@nvidia.com>
Reviewed-by: Maor Dickman <maord@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Diffstat (limited to 'drivers/net')
-rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c | 330 |
1 files changed, 206 insertions, 124 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c index c2b1b2ff6846..4a0acb9dc290 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c @@ -1669,18 +1669,209 @@ esw_chains_destroy(struct mlx5_eswitch *esw, struct mlx5_fs_chains *chains) #endif +static int +esw_create_send_to_vport_group(struct mlx5_eswitch *esw, + struct mlx5_flow_table *fdb, + u32 *flow_group_in, + int *ix) +{ + int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in); + struct mlx5_flow_group *g; + void *match_criteria; + int count, err = 0; + + memset(flow_group_in, 0, inlen); + + MLX5_SET(create_flow_group_in, flow_group_in, match_criteria_enable, + MLX5_MATCH_MISC_PARAMETERS); + + match_criteria = MLX5_ADDR_OF(create_flow_group_in, flow_group_in, match_criteria); + + MLX5_SET_TO_ONES(fte_match_param, match_criteria, misc_parameters.source_sqn); + MLX5_SET_TO_ONES(fte_match_param, match_criteria, misc_parameters.source_port); + if (MLX5_CAP_ESW(esw->dev, merged_eswitch)) { + MLX5_SET_TO_ONES(fte_match_param, match_criteria, + misc_parameters.source_eswitch_owner_vhca_id); + MLX5_SET(create_flow_group_in, flow_group_in, + source_eswitch_owner_vhca_id_valid, 1); + } + + /* See comment at table_size calculation */ + count = MLX5_MAX_PORTS * (esw->total_vports * MAX_SQ_NVPORTS + MAX_PF_SQ); + 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, *ix + count - 1); + *ix += count; + + g = mlx5_create_flow_group(fdb, flow_group_in); + if (IS_ERR(g)) { + err = PTR_ERR(g); + esw_warn(esw->dev, "Failed to create send-to-vport flow group err(%d)\n", err); + goto out; + } + esw->fdb_table.offloads.send_to_vport_grp = g; + +out: + return err; +} + +static int +esw_create_meta_send_to_vport_group(struct mlx5_eswitch *esw, + struct mlx5_flow_table *fdb, + u32 *flow_group_in, + int *ix) +{ + int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in); + int num_vfs = esw->esw_funcs.num_vfs; + struct mlx5_flow_group *g; + void *match_criteria; + int err = 0; + + if (!esw_src_port_rewrite_supported(esw)) + return 0; + + memset(flow_group_in, 0, inlen); + + MLX5_SET(create_flow_group_in, flow_group_in, match_criteria_enable, + MLX5_MATCH_MISC_PARAMETERS_2); + + match_criteria = MLX5_ADDR_OF(create_flow_group_in, flow_group_in, match_criteria); + + MLX5_SET(fte_match_param, match_criteria, + misc_parameters_2.metadata_reg_c_0, + mlx5_eswitch_get_vport_metadata_mask()); + MLX5_SET(fte_match_param, match_criteria, + misc_parameters_2.metadata_reg_c_1, ESW_TUN_MASK); + + if (num_vfs) { + MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, *ix); + MLX5_SET(create_flow_group_in, flow_group_in, + end_flow_index, *ix + num_vfs - 1); + *ix += num_vfs; + + g = mlx5_create_flow_group(fdb, flow_group_in); + if (IS_ERR(g)) { + err = PTR_ERR(g); + esw_warn(esw->dev, + "Failed to create send-to-vport meta flow group err(%d)\n", err); + goto send_vport_meta_err; + } + esw->fdb_table.offloads.send_to_vport_meta_grp = g; + + err = mlx5_eswitch_add_send_to_vport_meta_rules(esw); + if (err) + goto meta_rule_err; + } + + return 0; + +meta_rule_err: + mlx5_destroy_flow_group(esw->fdb_table.offloads.send_to_vport_meta_grp); +send_vport_meta_err: + return err; +} + +static int +esw_create_peer_esw_miss_group(struct mlx5_eswitch *esw, + struct mlx5_flow_table *fdb, + u32 *flow_group_in, + int *ix) +{ + int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in); + struct mlx5_flow_group *g; + void *match_criteria; + int err = 0; + + if (!MLX5_CAP_ESW(esw->dev, merged_eswitch)) + return 0; + + memset(flow_group_in, 0, inlen); + + esw_set_flow_group_source_port(esw, flow_group_in); + + if (!mlx5_eswitch_vport_match_metadata_enabled(esw)) { + match_criteria = MLX5_ADDR_OF(create_flow_group_in, + flow_group_in, + match_criteria); + + MLX5_SET_TO_ONES(fte_match_param, match_criteria, + misc_parameters.source_eswitch_owner_vhca_id); + + MLX5_SET(create_flow_group_in, flow_group_in, + source_eswitch_owner_vhca_id_valid, 1); + } + + MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, *ix); + MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, + *ix + esw->total_vports - 1); + *ix += esw->total_vports; + + g = mlx5_create_flow_group(fdb, flow_group_in); + if (IS_ERR(g)) { + err = PTR_ERR(g); + esw_warn(esw->dev, "Failed to create peer miss flow group err(%d)\n", err); + goto out; + } + esw->fdb_table.offloads.peer_miss_grp = g; + +out: + return err; +} + +static int +esw_create_miss_group(struct mlx5_eswitch *esw, + struct mlx5_flow_table *fdb, + u32 *flow_group_in, + int *ix) +{ + int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in); + struct mlx5_flow_group *g; + void *match_criteria; + int err = 0; + u8 *dmac; + + memset(flow_group_in, 0, inlen); + + 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); + dmac[0] = 0x01; + + MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, *ix); + MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, + *ix + MLX5_ESW_MISS_FLOWS); + + g = mlx5_create_flow_group(fdb, flow_group_in); + if (IS_ERR(g)) { + err = PTR_ERR(g); + esw_warn(esw->dev, "Failed to create miss flow group err(%d)\n", err); + goto miss_err; + } + esw->fdb_table.offloads.miss_grp = g; + + err = esw_add_fdb_miss_rule(esw); + if (err) + goto miss_rule_err; + + return 0; + +miss_rule_err: + mlx5_destroy_flow_group(esw->fdb_table.offloads.miss_grp); +miss_err: + return err; +} + static int esw_create_offloads_fdb_tables(struct mlx5_eswitch *esw) { int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in); struct mlx5_flow_table_attr ft_attr = {}; - int num_vfs, table_size, ix, err = 0; struct mlx5_core_dev *dev = esw->dev; struct mlx5_flow_namespace *root_ns; struct mlx5_flow_table *fdb = NULL; + int table_size, ix = 0, err = 0; u32 flags = 0, *flow_group_in; - struct mlx5_flow_group *g; - void *match_criteria; - u8 *dmac; esw_debug(esw->dev, "Create offloads FDB Tables\n"); @@ -1714,7 +1905,7 @@ static int esw_create_offloads_fdb_tables(struct mlx5_eswitch *esw) * total vports of the peer (currently is also uses esw->total_vports). */ table_size = MLX5_MAX_PORTS * (esw->total_vports * MAX_SQ_NVPORTS + MAX_PF_SQ) + - MLX5_ESW_MISS_FLOWS + esw->total_vports + esw->esw_funcs.num_vfs; + MLX5_ESW_MISS_FLOWS + esw->total_vports + esw->esw_funcs.num_vfs; /* create the slow path fdb with encap set, so further table instances * can be created at run time while VFs are probed if the FW allows that. @@ -1755,139 +1946,30 @@ static int esw_create_offloads_fdb_tables(struct mlx5_eswitch *esw) goto fdb_chains_err; } - /* create send-to-vport group */ - MLX5_SET(create_flow_group_in, flow_group_in, match_criteria_enable, - MLX5_MATCH_MISC_PARAMETERS); - - match_criteria = MLX5_ADDR_OF(create_flow_group_in, flow_group_in, match_criteria); - - MLX5_SET_TO_ONES(fte_match_param, match_criteria, misc_parameters.source_sqn); - MLX5_SET_TO_ONES(fte_match_param, match_criteria, misc_parameters.source_port); - if (MLX5_CAP_ESW(esw->dev, merged_eswitch)) { - MLX5_SET_TO_ONES(fte_match_param, match_criteria, - misc_parameters.source_eswitch_owner_vhca_id); - MLX5_SET(create_flow_group_in, flow_group_in, - source_eswitch_owner_vhca_id_valid, 1); - } - - /* See comment above table_size calculation */ - ix = MLX5_MAX_PORTS * (esw->total_vports * MAX_SQ_NVPORTS + MAX_PF_SQ); - 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, ix - 1); - - g = mlx5_create_flow_group(fdb, flow_group_in); - if (IS_ERR(g)) { - err = PTR_ERR(g); - esw_warn(dev, "Failed to create send-to-vport flow group err(%d)\n", err); + err = esw_create_send_to_vport_group(esw, fdb, flow_group_in, &ix); + if (err) goto send_vport_err; - } - esw->fdb_table.offloads.send_to_vport_grp = g; - - if (esw_src_port_rewrite_supported(esw)) { - /* meta send to vport */ - memset(flow_group_in, 0, inlen); - MLX5_SET(create_flow_group_in, flow_group_in, match_criteria_enable, - MLX5_MATCH_MISC_PARAMETERS_2); - - match_criteria = MLX5_ADDR_OF(create_flow_group_in, flow_group_in, match_criteria); - - MLX5_SET(fte_match_param, match_criteria, - misc_parameters_2.metadata_reg_c_0, - mlx5_eswitch_get_vport_metadata_mask()); - MLX5_SET(fte_match_param, match_criteria, - misc_parameters_2.metadata_reg_c_1, ESW_TUN_MASK); - - num_vfs = esw->esw_funcs.num_vfs; - if (num_vfs) { - MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, ix); - MLX5_SET(create_flow_group_in, flow_group_in, - end_flow_index, ix + num_vfs - 1); - ix += num_vfs; - - g = mlx5_create_flow_group(fdb, flow_group_in); - if (IS_ERR(g)) { - err = PTR_ERR(g); - esw_warn(dev, "Failed to create send-to-vport meta flow group err(%d)\n", - err); - goto send_vport_meta_err; - } - esw->fdb_table.offloads.send_to_vport_meta_grp = g; - - err = mlx5_eswitch_add_send_to_vport_meta_rules(esw); - if (err) - goto meta_rule_err; - } - } - - if (MLX5_CAP_ESW(esw->dev, merged_eswitch)) { - /* create peer esw miss group */ - memset(flow_group_in, 0, inlen); - - esw_set_flow_group_source_port(esw, flow_group_in); - - if (!mlx5_eswitch_vport_match_metadata_enabled(esw)) { - match_criteria = MLX5_ADDR_OF(create_flow_group_in, - flow_group_in, - match_criteria); - - MLX5_SET_TO_ONES(fte_match_param, match_criteria, - misc_parameters.source_eswitch_owner_vhca_id); - - MLX5_SET(create_flow_group_in, flow_group_in, - source_eswitch_owner_vhca_id_valid, 1); - } - - MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, ix); - MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, - ix + esw->total_vports - 1); - ix += esw->total_vports; - - g = mlx5_create_flow_group(fdb, flow_group_in); - if (IS_ERR(g)) { - err = PTR_ERR(g); - esw_warn(dev, "Failed to create peer miss flow group err(%d)\n", err); - goto peer_miss_err; - } - esw->fdb_table.offloads.peer_miss_grp = g; - } - - /* create miss group */ - memset(flow_group_in, 0, inlen); - 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); - dmac[0] = 0x01; - MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, ix); - MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, - ix + MLX5_ESW_MISS_FLOWS); + err = esw_create_meta_send_to_vport_group(esw, fdb, flow_group_in, &ix); + if (err) + goto send_vport_meta_err; - g = mlx5_create_flow_group(fdb, flow_group_in); - if (IS_ERR(g)) { - err = PTR_ERR(g); - esw_warn(dev, "Failed to create miss flow group err(%d)\n", err); - goto miss_err; - } - esw->fdb_table.offloads.miss_grp = g; + err = esw_create_peer_esw_miss_group(esw, fdb, flow_group_in, &ix); + if (err) + goto peer_miss_err; - err = esw_add_fdb_miss_rule(esw); + err = esw_create_miss_group(esw, fdb, flow_group_in, &ix); if (err) - goto miss_rule_err; + goto miss_err; kvfree(flow_group_in); return 0; -miss_rule_err: - mlx5_destroy_flow_group(esw->fdb_table.offloads.miss_grp); miss_err: if (MLX5_CAP_ESW(esw->dev, merged_eswitch)) mlx5_destroy_flow_group(esw->fdb_table.offloads.peer_miss_grp); peer_miss_err: mlx5_eswitch_del_send_to_vport_meta_rules(esw); -meta_rule_err: if (esw->fdb_table.offloads.send_to_vport_meta_grp) mlx5_destroy_flow_group(esw->fdb_table.offloads.send_to_vport_meta_grp); send_vport_meta_err: |