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