diff options
Diffstat (limited to 'include/net/devlink.h')
| -rw-r--r-- | include/net/devlink.h | 90 |
1 files changed, 89 insertions, 1 deletions
diff --git a/include/net/devlink.h b/include/net/devlink.h index 3f5cf62e4de8..8ffc1b5cd89b 100644 --- a/include/net/devlink.h +++ b/include/net/devlink.h @@ -35,6 +35,7 @@ struct devlink { struct devlink_dpipe_headers *dpipe_headers; struct list_head trap_list; struct list_head trap_group_list; + struct list_head trap_policer_list; const struct devlink_ops *ops; struct xarray snapshot_ids; struct device *dev; @@ -546,10 +547,34 @@ struct devlink_health_reporter_ops { }; /** + * struct devlink_trap_policer - Immutable packet trap policer attributes. + * @id: Policer identifier. + * @init_rate: Initial rate in packets / sec. + * @init_burst: Initial burst size in packets. + * @max_rate: Maximum rate. + * @min_rate: Minimum rate. + * @max_burst: Maximum burst size. + * @min_burst: Minimum burst size. + * + * Describes immutable attributes of packet trap policers that drivers register + * with devlink. + */ +struct devlink_trap_policer { + u32 id; + u64 init_rate; + u64 init_burst; + u64 max_rate; + u64 min_rate; + u64 max_burst; + u64 min_burst; +}; + +/** * struct devlink_trap_group - Immutable packet trap group attributes. * @name: Trap group name. * @id: Trap group identifier. * @generic: Whether the trap group is generic or not. + * @init_policer_id: Initial policer identifier. * * Describes immutable attributes of packet trap groups that drivers register * with devlink. @@ -558,6 +583,7 @@ struct devlink_trap_group { const char *name; u16 id; bool generic; + u32 init_policer_id; }; #define DEVLINK_TRAP_METADATA_TYPE_F_IN_PORT BIT(0) @@ -735,11 +761,24 @@ enum devlink_trap_group_generic_id { .metadata_cap = _metadata_cap, \ } -#define DEVLINK_TRAP_GROUP_GENERIC(_id) \ +#define DEVLINK_TRAP_GROUP_GENERIC(_id, _policer_id) \ { \ .name = DEVLINK_TRAP_GROUP_GENERIC_NAME_##_id, \ .id = DEVLINK_TRAP_GROUP_GENERIC_ID_##_id, \ .generic = true, \ + .init_policer_id = _policer_id, \ + } + +#define DEVLINK_TRAP_POLICER(_id, _rate, _burst, _max_rate, _min_rate, \ + _max_burst, _min_burst) \ + { \ + .id = _id, \ + .init_rate = _rate, \ + .init_burst = _burst, \ + .max_rate = _max_rate, \ + .min_rate = _min_rate, \ + .max_burst = _max_burst, \ + .min_burst = _min_burst, \ } struct devlink_ops { @@ -838,6 +877,47 @@ struct devlink_ops { */ int (*trap_group_init)(struct devlink *devlink, const struct devlink_trap_group *group); + /** + * @trap_group_set: Trap group parameters set function. + * + * Note: @policer can be NULL when a policer is being unbound from + * @group. + */ + int (*trap_group_set)(struct devlink *devlink, + const struct devlink_trap_group *group, + const struct devlink_trap_policer *policer); + /** + * @trap_policer_init: Trap policer initialization function. + * + * Should be used by device drivers to initialize the trap policer in + * the underlying device. + */ + int (*trap_policer_init)(struct devlink *devlink, + const struct devlink_trap_policer *policer); + /** + * @trap_policer_fini: Trap policer de-initialization function. + * + * Should be used by device drivers to de-initialize the trap policer + * in the underlying device. + */ + void (*trap_policer_fini)(struct devlink *devlink, + const struct devlink_trap_policer *policer); + /** + * @trap_policer_set: Trap policer parameters set function. + */ + int (*trap_policer_set)(struct devlink *devlink, + const struct devlink_trap_policer *policer, + u64 rate, u64 burst, + struct netlink_ext_ack *extack); + /** + * @trap_policer_counter_get: Trap policer counter get function. + * + * Should be used by device drivers to report number of packets dropped + * by the policer. + */ + int (*trap_policer_counter_get)(struct devlink *devlink, + const struct devlink_trap_policer *policer, + u64 *p_drops); }; static inline void *devlink_priv(struct devlink *devlink) @@ -1080,6 +1160,14 @@ int devlink_trap_groups_register(struct devlink *devlink, void devlink_trap_groups_unregister(struct devlink *devlink, const struct devlink_trap_group *groups, size_t groups_count); +int +devlink_trap_policers_register(struct devlink *devlink, + const struct devlink_trap_policer *policers, + size_t policers_count); +void +devlink_trap_policers_unregister(struct devlink *devlink, + const struct devlink_trap_policer *policers, + size_t policers_count); #if IS_ENABLED(CONFIG_NET_DEVLINK) |