include/linux/seg6_hmac.h

   1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
   2 #ifndef _LINUX_SEG6_HMAC_H
   3 #define _LINUX_SEG6_HMAC_H
   4
   5 #include <linux/types.h>
   6 #include <linux/seg6.h>
   7
   8 #define SEG6_HMAC_SECRET_LEN    64
   9 #define SEG6_HMAC_FIELD_LEN     32
  10
  11 struct sr6_tlv_hmac {
  12         struct sr6_tlv tlvhdr;
  13         __u16 reserved;
  14         __be32 hmackeyid;
  15         __u8 hmac[SEG6_HMAC_FIELD_LEN];
  16 };
  17
  18 enum {
  19         SEG6_HMAC_ALGO_SHA1 = 1,
  20         SEG6_HMAC_ALGO_SHA256 = 2,
  21 };
  22
  23 #endif