1 #ifndef _UAPI_LINUX_SEG6_HMAC_H 2 #define _UAPI_LINUX_SEG6_HMAC_H 3 4 #include <linux/types.h> 5 #include <linux/seg6.h> 6 7 #define SEG6_HMAC_SECRET_LEN 64 8 #define SEG6_HMAC_FIELD_LEN 32 9 10 struct sr6_tlv_hmac { 11 struct sr6_tlv tlvhdr; 12 __u16 reserved; 13 __be32 hmackeyid; 14 __u8 hmac[SEG6_HMAC_FIELD_LEN]; 15 }; 16 17 enum { 18 SEG6_HMAC_ALGO_SHA1 = 1, 19 SEG6_HMAC_ALGO_SHA256 = 2, 20 }; 21 22 #endif 23