67fd194170
Allow more macro arguments and split the variable type and name into separate arguments. This allows simple and powerful copy and extraction of values from IFC based structures into SYSCTLs with the use of a single macro. MFC after: 3 days Sponsored by: Mellanox Technologies
176 lines
7.0 KiB
C
176 lines
7.0 KiB
C
/*-
|
|
* Copyright (c) 2016 Mellanox Technologies. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS `AS IS' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#ifndef __MLX5_EN_RL_H__
|
|
#define __MLX5_EN_RL_H__
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/lock.h>
|
|
#include <sys/mutex.h>
|
|
#include <sys/sx.h>
|
|
#include <sys/proc.h>
|
|
#include <sys/condvar.h>
|
|
#include <sys/interrupt.h>
|
|
#include <sys/unistd.h>
|
|
|
|
#include <sys/queue.h>
|
|
|
|
#define MLX5E_RL_MAX_WORKERS 128 /* limited by Toeplitz hash */
|
|
#define MLX5E_RL_MAX_TX_RATES (64 * 1024) /* software limit */
|
|
#define MLX5E_RL_DEF_SQ_PER_WORKER (12 * 1024) /* software limit */
|
|
#define MLX5E_RL_MAX_SQS (120 * 1024) /* software limit */
|
|
|
|
#define MLX5E_RL_TX_COAL_USEC_DEFAULT 32
|
|
#define MLX5E_RL_TX_COAL_PKTS_DEFAULT 4
|
|
#define MLX5E_RL_TX_COAL_MODE_DEFAULT 0
|
|
#define MLX5E_RL_TX_COMP_FACT_DEFAULT 1
|
|
|
|
#define MLX5E_RL_WORKER_LOCK(rlw) mtx_lock(&(rlw)->mtx)
|
|
#define MLX5E_RL_WORKER_UNLOCK(rlw) mtx_unlock(&(rlw)->mtx)
|
|
|
|
#define MLX5E_RL_RLOCK(rl) sx_slock(&(rl)->rl_sxlock)
|
|
#define MLX5E_RL_RUNLOCK(rl) sx_sunlock(&(rl)->rl_sxlock)
|
|
|
|
#define MLX5E_RL_WLOCK(rl) sx_xlock(&(rl)->rl_sxlock)
|
|
#define MLX5E_RL_WUNLOCK(rl) sx_xunlock(&(rl)->rl_sxlock)
|
|
|
|
#define MLX5E_RL_PARAMS(m) \
|
|
m(+1, u64, tx_queue_size, "tx_queue_size", "Default send queue size") \
|
|
m(+1, u64, tx_coalesce_usecs, "tx_coalesce_usecs", "Limit in usec for joining TX packets") \
|
|
m(+1, u64, tx_coalesce_pkts, "tx_coalesce_pkts", "Maximum number of TX packets to join") \
|
|
m(+1, u64, tx_coalesce_mode, "tx_coalesce_mode", "0: EQE mode 1: CQE mode") \
|
|
m(+1, u64, tx_completion_fact, "tx_completion_fact", "1..MAX: Completion event ratio") \
|
|
m(+1, u64, tx_completion_fact_max, "tx_completion_fact_max", "Maximum completion event ratio") \
|
|
m(+1, u64, tx_worker_threads_max, "tx_worker_threads_max", "Max number of TX worker threads") \
|
|
m(+1, u64, tx_worker_threads_def, "tx_worker_threads_def", "Default number of TX worker threads") \
|
|
m(+1, u64, tx_channels_per_worker_max, "tx_channels_per_worker_max", "Max number of TX channels per worker") \
|
|
m(+1, u64, tx_channels_per_worker_def, "tx_channels_per_worker_def", "Default number of TX channels per worker") \
|
|
m(+1, u64, tx_rates_max, "tx_rates_max", "Max number of TX rates") \
|
|
m(+1, u64, tx_rates_def, "tx_rates_def", "Default number of TX rates") \
|
|
m(+1, u64, tx_limit_min, "tx_limit_min", "Minimum TX rate in bits/s") \
|
|
m(+1, u64, tx_limit_max, "tx_limit_max", "Maximum TX rate in bits/s") \
|
|
m(+1, u64, tx_burst_size, "tx_burst_size", "Current burst size in number of packets. A value of zero means use firmware default.") \
|
|
m(+1, u64, tx_burst_size_max, "tx_burst_size_max", "Maximum burst size in number of packets") \
|
|
m(+1, u64, tx_burst_size_min, "tx_burst_size_min", "Minimum burst size in number of packets")
|
|
|
|
#define MLX5E_RL_PARAMS_NUM (0 MLX5E_RL_PARAMS(MLX5E_STATS_COUNT))
|
|
|
|
#define MLX5E_RL_STATS(m) \
|
|
m(+1, u64, tx_allocate_resource_failure, "tx_allocate_resource_failure", "Number of times firmware resource allocation failed") \
|
|
m(+1, u64, tx_add_new_rate_failure, "tx_add_new_rate_failure", "Number of times adding a new firmware rate failed") \
|
|
m(+1, u64, tx_modify_rate_failure, "tx_modify_rate_failure", "Number of times modifying a firmware rate failed") \
|
|
m(+1, u64, tx_active_connections, "tx_active_connections", "Number of active connections") \
|
|
m(+1, u64, tx_open_queues, "tx_open_queues", "Number of open TX queues") \
|
|
m(+1, u64, tx_available_resource_failure, "tx_available_resource_failure", "Number of times TX resources were not available")
|
|
|
|
#define MLX5E_RL_STATS_NUM (0 MLX5E_RL_STATS(MLX5E_STATS_COUNT))
|
|
|
|
#define MLX5E_RL_TABLE_PARAMS(m) \
|
|
m(+1, u64, tx_limit_add, "tx_limit_add", "Add TX rate limit in bits/s to empty slot") \
|
|
m(+1, u64, tx_limit_clr, "tx_limit_clr", "Clear all TX rates in table") \
|
|
m(+1, u64, tx_allowed_deviation, "tx_allowed_deviation", "Relative rate deviation allowed in 1/1000") \
|
|
m(+1, u64, tx_allowed_deviation_min, "tx_allowed_deviation_min", "Minimum allowed rate deviation in 1/1000") \
|
|
m(+1, u64, tx_allowed_deviation_max, "tx_allowed_deviation_max", "Maximum allowed rate deviation in 1/1000")
|
|
|
|
#define MLX5E_RL_TABLE_PARAMS_NUM (0 MLX5E_RL_TABLE_PARAMS(MLX5E_STATS_COUNT))
|
|
|
|
#define MLX5E_RL_PARAMS_INDEX(n) \
|
|
(__offsetof(struct mlx5e_rl_params, n) / sizeof(uint64_t))
|
|
|
|
struct mlx5e_priv;
|
|
|
|
/* Indicates channel's state */
|
|
enum {
|
|
MLX5E_RL_ST_FREE,
|
|
MLX5E_RL_ST_USED,
|
|
MLX5E_RL_ST_MODIFY,
|
|
MLX5E_RL_ST_DESTROY,
|
|
};
|
|
|
|
struct mlx5e_rl_stats {
|
|
u64 arg [0];
|
|
MLX5E_RL_STATS(MLX5E_STATS_VAR)
|
|
};
|
|
|
|
struct mlx5e_rl_params {
|
|
u64 arg [0];
|
|
MLX5E_RL_PARAMS(MLX5E_STATS_VAR)
|
|
u64 table_arg [0];
|
|
MLX5E_RL_TABLE_PARAMS(MLX5E_STATS_VAR)
|
|
};
|
|
|
|
struct mlx5e_rl_channel_param {
|
|
struct mlx5e_sq_param sq;
|
|
struct mlx5e_cq_param cq;
|
|
};
|
|
|
|
struct mlx5e_rl_channel {
|
|
struct mlx5e_snd_tag tag;
|
|
STAILQ_ENTRY(mlx5e_rl_channel) entry;
|
|
struct mlx5e_sq * volatile sq;
|
|
struct mlx5e_rl_worker *worker;
|
|
uint64_t new_rate;
|
|
uint64_t init_rate;
|
|
uint64_t last_rate;
|
|
uint16_t last_burst;
|
|
uint16_t state;
|
|
};
|
|
|
|
struct mlx5e_rl_worker {
|
|
struct mtx mtx;
|
|
struct cv cv;
|
|
STAILQ_HEAD(, mlx5e_rl_channel) index_list_head;
|
|
STAILQ_HEAD(, mlx5e_rl_channel) process_head;
|
|
struct mlx5e_priv *priv;
|
|
struct mlx5e_rl_channel *channels;
|
|
unsigned worker_done;
|
|
};
|
|
|
|
struct mlx5e_rl_priv_data {
|
|
struct sx rl_sxlock;
|
|
struct sysctl_ctx_list ctx;
|
|
struct mlx5e_rl_channel_param chan_param;
|
|
struct mlx5e_rl_params param;
|
|
struct mlx5e_rl_stats stats;
|
|
struct mlx5_uar sq_uar;
|
|
struct mlx5e_rl_worker *workers;
|
|
struct mlx5e_priv *priv;
|
|
uint64_t *rate_limit_table;
|
|
unsigned opened;
|
|
uint32_t tisn;
|
|
};
|
|
|
|
int mlx5e_rl_init(struct mlx5e_priv *priv);
|
|
void mlx5e_rl_cleanup(struct mlx5e_priv *priv);
|
|
void mlx5e_rl_refresh_sq_inline(struct mlx5e_rl_priv_data *rl);
|
|
if_snd_tag_alloc_t mlx5e_rl_snd_tag_alloc;
|
|
if_snd_tag_modify_t mlx5e_rl_snd_tag_modify;
|
|
if_snd_tag_query_t mlx5e_rl_snd_tag_query;
|
|
if_snd_tag_free_t mlx5e_rl_snd_tag_free;
|
|
|
|
#endif /* __MLX5_EN_RL_H__ */
|