LXR linux/drivers/net/ethernet/chelsio/inline_crypto/ch_ipsec/chcr

   1/* SPDX-License-Identifier: GPL-2.0-only */
   2/* Copyright (c) 2018 Chelsio Communications, Inc. */
   3
   4#ifndef __CHCR_IPSEC_H__
   5#define __CHCR_IPSEC_H__
   6
   7#include <crypto/algapi.h>
   8#include "t4_hw.h"
   9#include "cxgb4.h"
  10#include "t4_msg.h"
  11#include "cxgb4_uld.h"
  12
  13#include "chcr_core.h"
  14#include "chcr_algo.h"
  15#include "chcr_crypto.h"
  16
  17#define CHIPSEC_DRV_MODULE_NAME "ch_ipsec"
  18#define CHIPSEC_DRV_VERSION "1.0.0.0-ko"
  19#define CHIPSEC_DRV_DESC "Chelsio T6 Crypto Ipsec offload Driver"
  20
  21struct ipsec_uld_ctx {
  22        struct list_head entry;
  23        struct cxgb4_lld_info lldi;
  24};
  25
  26struct chcr_ipsec_req {
  27        struct ulp_txpkt ulptx;
  28        struct ulptx_idata sc_imm;
  29        struct cpl_tx_sec_pdu sec_cpl;
  30        struct _key_ctx key_ctx;
  31};
  32
  33struct chcr_ipsec_wr {
  34        struct fw_ulptx_wr wreq;
  35        struct chcr_ipsec_req req;
  36};
  37
  38#define ESN_IV_INSERT_OFFSET 12
  39struct chcr_ipsec_aadiv {
  40        __be32 spi;
  41        u8 seq_no[8];
  42        u8 iv[8];
  43};
  44
  45struct ipsec_sa_entry {
  46        int hmac_ctrl;
  47        u16 esn;
  48        u16 resv;
  49        unsigned int enckey_len;
  50        unsigned int kctx_len;
  51        unsigned int authsize;
  52        __be32 key_ctx_hdr;
  53        char salt[MAX_SALT];
  54        char key[2 * AES_MAX_KEY_SIZE];
  55};
  56
  57#endif /* __CHCR_IPSEC_H__ */
  58