UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

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>
This commit is contained in:
Roi Dayan 2022-07-18 13:38:00 +03:00 committed by Saeed Mahameed
parent 8ea7bcf632
commit 4a56181706
1 changed files with 210 additions and 128 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

338
drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
View File

@ -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);
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);
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_add_fdb_miss_rule(esw);
err = esw_create_send_to_vport_group(esw, fdb, flow_group_in, &ix);
if (err)
goto miss_rule_err;
goto send_vport_err;
err = esw_create_meta_send_to_vport_group(esw, fdb, flow_group_in, &ix);
if (err)
goto send_vport_meta_err;
err = esw_create_peer_esw_miss_group(esw, fdb, flow_group_in, &ix);
if (err)
goto peer_miss_err;
err = esw_create_miss_group(esw, fdb, flow_group_in, &ix);
if (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: