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net/mlx5: Add per-namespace flow table default miss action support 

Currently all the namespaces under the same steering domain share the same
default table miss action, however in some situations (e.g., RDMA RX)
different actions are required. This patch adds a per-namespace default
table miss action instead of using the miss action of the steering domain.

Signed-off-by: Mark Zhang <markz@mellanox.com>
Reviewed-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
This commit is contained in:
Mark Zhang 2019-08-19 14:36:24 +03:00 коммит произвёл Leon Romanovsky
Родитель 1eba383f4e
Коммит f66ad830b1
3 изменённых файлов: 47 добавлений и 33 удалений
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4
drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c
Просмотреть файл

@ -182,7 +182,7 @@ static int mlx5_cmd_create_flow_table(struct mlx5_flow_root_namespace *ns,
} else {
MLX5_SET(create_flow_table_in, in,
flow_table_context.table_miss_action,
ns->def_miss_action);
ft->def_miss_action);
}
break;
@ -262,7 +262,7 @@ static int mlx5_cmd_modify_flow_table(struct mlx5_flow_root_namespace *ns,
} else {
MLX5_SET(modify_flow_table_in, in,
flow_table_context.table_miss_action,
ns->def_miss_action);
ft->def_miss_action);
}
}

73
drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
Просмотреть файл

@ -60,7 +60,8 @@
ADD_PRIO(num_prios_val, 0, num_levels_val, {},\
__VA_ARGS__)\
#define ADD_NS(...) {.type = FS_TYPE_NAMESPACE,\
#define ADD_NS(def_miss_act, ...) {.type = FS_TYPE_NAMESPACE, \
.def_miss_action = def_miss_act,\
.children = (struct init_tree_node[]) {__VA_ARGS__},\
.ar_size = INIT_TREE_NODE_ARRAY_SIZE(__VA_ARGS__) \
}
@ -131,33 +132,41 @@ static struct init_tree_node {
int num_leaf_prios;
int prio;
int num_levels;
enum mlx5_flow_table_miss_action def_miss_action;
} root_fs = {
.type = FS_TYPE_NAMESPACE,
.ar_size = 7,
.children = (struct init_tree_node[]) {
ADD_PRIO(0, BY_PASS_MIN_LEVEL, 0,
FS_CHAINING_CAPS,
ADD_NS(ADD_MULTIPLE_PRIO(MLX5_BY_PASS_NUM_PRIOS,
BY_PASS_PRIO_NUM_LEVELS))),
ADD_PRIO(0, LAG_MIN_LEVEL, 0,
FS_CHAINING_CAPS,
ADD_NS(ADD_MULTIPLE_PRIO(LAG_NUM_PRIOS,
LAG_PRIO_NUM_LEVELS))),
ADD_PRIO(0, OFFLOADS_MIN_LEVEL, 0, {},
ADD_NS(ADD_MULTIPLE_PRIO(OFFLOADS_NUM_PRIOS, OFFLOADS_MAX_FT))),
ADD_PRIO(0, ETHTOOL_MIN_LEVEL, 0,
FS_CHAINING_CAPS,
ADD_NS(ADD_MULTIPLE_PRIO(ETHTOOL_NUM_PRIOS,
ETHTOOL_PRIO_NUM_LEVELS))),
ADD_PRIO(0, KERNEL_MIN_LEVEL, 0, {},
ADD_NS(ADD_MULTIPLE_PRIO(KERNEL_NIC_TC_NUM_PRIOS, KERNEL_NIC_TC_NUM_LEVELS),
ADD_MULTIPLE_PRIO(KERNEL_NIC_NUM_PRIOS,
KERNEL_NIC_PRIO_NUM_LEVELS))),
ADD_PRIO(0, BY_PASS_MIN_LEVEL, 0,
FS_CHAINING_CAPS,
ADD_NS(ADD_MULTIPLE_PRIO(LEFTOVERS_NUM_PRIOS, LEFTOVERS_NUM_LEVELS))),
ADD_PRIO(0, ANCHOR_MIN_LEVEL, 0, {},
ADD_NS(ADD_MULTIPLE_PRIO(ANCHOR_NUM_PRIOS, ANCHOR_NUM_LEVELS))),
.children = (struct init_tree_node[]){
ADD_PRIO(0, BY_PASS_MIN_LEVEL, 0, FS_CHAINING_CAPS,
ADD_NS(MLX5_FLOW_TABLE_MISS_ACTION_DEF,
ADD_MULTIPLE_PRIO(MLX5_BY_PASS_NUM_PRIOS,
BY_PASS_PRIO_NUM_LEVELS))),
ADD_PRIO(0, LAG_MIN_LEVEL, 0, FS_CHAINING_CAPS,
ADD_NS(MLX5_FLOW_TABLE_MISS_ACTION_DEF,
ADD_MULTIPLE_PRIO(LAG_NUM_PRIOS,
LAG_PRIO_NUM_LEVELS))),
ADD_PRIO(0, OFFLOADS_MIN_LEVEL, 0, {},
ADD_NS(MLX5_FLOW_TABLE_MISS_ACTION_DEF,
ADD_MULTIPLE_PRIO(OFFLOADS_NUM_PRIOS,
OFFLOADS_MAX_FT))),
ADD_PRIO(0, ETHTOOL_MIN_LEVEL, 0, FS_CHAINING_CAPS,
ADD_NS(MLX5_FLOW_TABLE_MISS_ACTION_DEF,
ADD_MULTIPLE_PRIO(ETHTOOL_NUM_PRIOS,
ETHTOOL_PRIO_NUM_LEVELS))),
ADD_PRIO(0, KERNEL_MIN_LEVEL, 0, {},
ADD_NS(MLX5_FLOW_TABLE_MISS_ACTION_DEF,
ADD_MULTIPLE_PRIO(KERNEL_NIC_TC_NUM_PRIOS,
KERNEL_NIC_TC_NUM_LEVELS),
ADD_MULTIPLE_PRIO(KERNEL_NIC_NUM_PRIOS,
KERNEL_NIC_PRIO_NUM_LEVELS))),
ADD_PRIO(0, BY_PASS_MIN_LEVEL, 0, FS_CHAINING_CAPS,
ADD_NS(MLX5_FLOW_TABLE_MISS_ACTION_DEF,
ADD_MULTIPLE_PRIO(LEFTOVERS_NUM_PRIOS,
LEFTOVERS_NUM_LEVELS))),
ADD_PRIO(0, ANCHOR_MIN_LEVEL, 0, {},
ADD_NS(MLX5_FLOW_TABLE_MISS_ACTION_DEF,
ADD_MULTIPLE_PRIO(ANCHOR_NUM_PRIOS,
ANCHOR_NUM_LEVELS))),
}
};
@ -167,7 +176,8 @@ static struct init_tree_node egress_root_fs = {
.children = (struct init_tree_node[]) {
ADD_PRIO(0, MLX5_BY_PASS_NUM_PRIOS, 0,
FS_CHAINING_CAPS_EGRESS,
ADD_NS(ADD_MULTIPLE_PRIO(MLX5_BY_PASS_NUM_PRIOS,
ADD_NS(MLX5_FLOW_TABLE_MISS_ACTION_DEF,
ADD_MULTIPLE_PRIO(MLX5_BY_PASS_NUM_PRIOS,
BY_PASS_PRIO_NUM_LEVELS))),
}
};
@ -1014,6 +1024,7 @@ static struct mlx5_flow_table *__mlx5_create_flow_table(struct mlx5_flow_namespa
tree_init_node(&ft->node, del_hw_flow_table, del_sw_flow_table);
log_table_sz = ft->max_fte ? ilog2(ft->max_fte) : 0;
next_ft = find_next_chained_ft(fs_prio);
ft->def_miss_action = ns->def_miss_action;
err = root->cmds->create_flow_table(root, ft, log_table_sz, next_ft);
if (err)
goto free_ft;
@ -2155,7 +2166,8 @@ static struct mlx5_flow_namespace *fs_init_namespace(struct mlx5_flow_namespace
return ns;
}
static struct mlx5_flow_namespace *fs_create_namespace(struct fs_prio *prio)
static struct mlx5_flow_namespace *fs_create_namespace(struct fs_prio *prio,
int def_miss_act)
{
struct mlx5_flow_namespace *ns;
@ -2164,6 +2176,7 @@ static struct mlx5_flow_namespace *fs_create_namespace(struct fs_prio *prio)
return ERR_PTR(-ENOMEM);
fs_init_namespace(ns);
ns->def_miss_action = def_miss_act;
tree_init_node(&ns->node, NULL, del_sw_ns);
tree_add_node(&ns->node, &prio->node);
list_add_tail(&ns->node.list, &prio->node.children);
@ -2230,7 +2243,7 @@ static int init_root_tree_recursive(struct mlx5_flow_steering *steering,
base = &fs_prio->node;
} else if (init_node->type == FS_TYPE_NAMESPACE) {
fs_get_obj(fs_prio, fs_parent_node);
fs_ns = fs_create_namespace(fs_prio);
fs_ns = fs_create_namespace(fs_prio, init_node->def_miss_action);
if (IS_ERR(fs_ns))
return PTR_ERR(fs_ns);
base = &fs_ns->node;
@ -2500,7 +2513,7 @@ static int init_rdma_rx_root_ns(struct mlx5_flow_steering *steering)
if (!steering->rdma_rx_root_ns)
return -ENOMEM;
steering->rdma_rx_root_ns->def_miss_action =
steering->rdma_rx_root_ns->ns.def_miss_action =
MLX5_FLOW_TABLE_MISS_ACTION_SWITCH_DOMAIN;
/* Create single prio */
@ -2543,7 +2556,7 @@ static int init_fdb_root_ns(struct mlx5_flow_steering *steering)
}
for (chain = 0; chain <= FDB_MAX_CHAIN; chain++) {
ns = fs_create_namespace(maj_prio);
ns = fs_create_namespace(maj_prio, MLX5_FLOW_TABLE_MISS_ACTION_DEF);
if (IS_ERR(ns)) {
err = PTR_ERR(ns);
goto out_err;

3
drivers/net/ethernet/mellanox/mlx5/core/fs_core.h
Просмотреть файл

@ -145,6 +145,7 @@ struct mlx5_flow_table {
struct list_head fwd_rules;
u32 flags;
struct rhltable fgs_hash;
enum mlx5_flow_table_miss_action def_miss_action;
};
struct mlx5_ft_underlay_qp {
@ -191,6 +192,7 @@ struct fs_prio {
struct mlx5_flow_namespace {
/* parent == NULL => root ns */
struct fs_node node;
enum mlx5_flow_table_miss_action def_miss_action;
};
struct mlx5_flow_group_mask {
@ -219,7 +221,6 @@ struct mlx5_flow_root_namespace {
struct mutex chain_lock;
struct list_head underlay_qpns;
const struct mlx5_flow_cmds *cmds;
enum mlx5_flow_table_miss_action def_miss_action;
};
int mlx5_init_fc_stats(struct mlx5_core_dev *dev);