LXR linux/drivers/net/ethernet/intel/ixgbevf/ipsec.h

   1/* SPDX-License-Identifier: GPL-2.0 */
   2/* Copyright(c) 2018 Oracle and/or its affiliates. All rights reserved. */
   3
   4#ifndef _IXGBEVF_IPSEC_H_
   5#define _IXGBEVF_IPSEC_H_
   6
   7#define IXGBE_IPSEC_MAX_SA_COUNT        1024
   8#define IXGBE_IPSEC_BASE_RX_INDEX       0
   9#define IXGBE_IPSEC_BASE_TX_INDEX       IXGBE_IPSEC_MAX_SA_COUNT
  10#define IXGBE_IPSEC_AUTH_BITS           128
  11
  12#define IXGBE_RXMOD_VALID               0x00000001
  13#define IXGBE_RXMOD_PROTO_ESP           0x00000004
  14#define IXGBE_RXMOD_DECRYPT             0x00000008
  15#define IXGBE_RXMOD_IPV6                0x00000010
  16
  17struct rx_sa {
  18        struct hlist_node hlist;
  19        struct xfrm_state *xs;
  20        __be32 ipaddr[4];
  21        u32 key[4];
  22        u32 salt;
  23        u32 mode;
  24        u32 pfsa;
  25        bool used;
  26        bool decrypt;
  27};
  28
  29struct rx_ip_sa {
  30        __be32 ipaddr[4];
  31        u32 ref_cnt;
  32        bool used;
  33};
  34
  35struct tx_sa {
  36        struct xfrm_state *xs;
  37        u32 key[4];
  38        u32 salt;
  39        u32 pfsa;
  40        bool encrypt;
  41        bool used;
  42};
  43
  44struct ixgbevf_ipsec_tx_data {
  45        u32 flags;
  46        u16 trailer_len;
  47        u16 pfsa;
  48};
  49
  50struct ixgbevf_ipsec {
  51        u16 num_rx_sa;
  52        u16 num_tx_sa;
  53        struct rx_sa *rx_tbl;
  54        struct tx_sa *tx_tbl;
  55        DECLARE_HASHTABLE(rx_sa_list, 10);
  56};
  57
  58struct sa_mbx_msg {
  59        __be32 spi;
  60        u8 flags;
  61        u8 proto;
  62        u16 family;
  63        __be32 addr[4];
  64        u32 key[5];
  65};
  66#endif /* _IXGBEVF_IPSEC_H_ */
  67