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/*-
* Copyright (c) 2019 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_TLS_H_
#define _MLX5_TLS_H_
#include <sys/queue.h>
#define MLX5E_TLS_TAG_LOCK(tag) mtx_lock(&(tag)->mtx)
#define MLX5E_TLS_TAG_UNLOCK(tag) mtx_unlock(&(tag)->mtx)
#define MLX5E_TLS_STAT_INC(tag, field, num) \
counter_u64_add((tag)->tls->stats.field, num)
enum {
MLX5E_TLS_LOOP = 0,
MLX5E_TLS_FAILURE = 1,
MLX5E_TLS_DEFERRED = 2,
MLX5E_TLS_CONTINUE = 3,
};
struct mlx5e_tls_tag {
struct mlx5e_snd_tag tag;
STAILQ_ENTRY(mlx5e_tls_tag) entry;
volatile s32 refs; /* number of pending mbufs */
uint32_t tisn; /* HW TIS context number */
uint32_t dek_index; /* HW TLS context number */
struct mlx5e_tls *tls;
struct m_snd_tag *rl_tag;
struct mtx mtx;
uint32_t expected_seq; /* expected TCP sequence number */
uint32_t state; /* see MLX5E_TLS_ST_XXX */
#define MLX5E_TLS_ST_INIT 0
#define MLX5E_TLS_ST_SETUP 1
#define MLX5E_TLS_ST_TXRDY 2
#define MLX5E_TLS_ST_FREED 3
struct work_struct work;
uint32_t dek_index_ok:1;
/* parameters needed */
uint8_t crypto_params[128] __aligned(4);
} __aligned(MLX5E_CACHELINE_SIZE);
#define MLX5E_TLS_STATS(m) \
m(+1, u64, tx_packets, "tx_packets", "Transmitted packets") \
m(+1, u64, tx_bytes, "tx_bytes", "Transmitted bytes") \
m(+1, u64, tx_packets_ooo, "tx_packets_ooo", "Transmitted packets out of order") \
m(+1, u64, tx_bytes_ooo, "tx_bytes_ooo", "Transmitted bytes out of order") \
m(+1, u64, tx_error, "tx_error", "Transmitted packets with error")
#define MLX5E_TLS_STATS_NUM (0 MLX5E_TLS_STATS(MLX5E_STATS_COUNT))
struct mlx5e_tls_stats {
struct sysctl_ctx_list ctx;
counter_u64_t arg[0];
MLX5E_TLS_STATS(MLX5E_STATS_COUNTER)
};
struct mlx5e_tls {
struct sysctl_ctx_list ctx;
struct mlx5e_tls_stats stats;
struct workqueue_struct *wq;
uma_zone_t zone;
uint32_t max_resources; /* max number of resources */
volatile uint32_t num_resources; /* current number of resources */
int init; /* set when ready */
char zname[32];
};
int mlx5e_tls_init(struct mlx5e_priv *);
void mlx5e_tls_cleanup(struct mlx5e_priv *);
int mlx5e_sq_tls_xmit(struct mlx5e_sq *, struct mlx5e_xmit_args *, struct mbuf **);
if_snd_tag_alloc_t mlx5e_tls_snd_tag_alloc;
if_snd_tag_modify_t mlx5e_tls_snd_tag_modify;
if_snd_tag_query_t mlx5e_tls_snd_tag_query;
if_snd_tag_free_t mlx5e_tls_snd_tag_free;
#endif /* _MLX5_TLS_H_ */
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