diff options
Diffstat (limited to 'lib/srv6.h')
| -rw-r--r-- | lib/srv6.h | 29 |
1 files changed, 24 insertions, 5 deletions
diff --git a/lib/srv6.h b/lib/srv6.h index 7c8c6b4a65..fb34f861c8 100644 --- a/lib/srv6.h +++ b/lib/srv6.h @@ -14,8 +14,11 @@ #include <arpa/inet.h> #include <netinet/in.h> -#define SRV6_MAX_SIDS 16 +#define SRV6_MAX_SIDS 16 +#define SRV6_MAX_SEGS 8 #define SRV6_LOCNAME_SIZE 256 +#define SRH_BASE_HEADER_LENGTH 8 +#define SRH_SEGMENT_LENGTH 16 #ifdef __cplusplus extern "C" { @@ -74,6 +77,8 @@ enum seg6local_flavor_op { ZEBRA_SEG6_LOCAL_FLV_OP_NEXT_CSID = 4, }; +#define SRV6_SEG_STRLEN 1024 + struct seg6_segs { size_t num_segs; struct in6_addr segs[256]; @@ -89,6 +94,11 @@ struct seg6local_flavors_info { uint8_t lcnode_func_len; }; +struct seg6_seg_stack { + uint8_t num_segs; + struct in6_addr seg[0]; /* 1 or more segs */ +}; + struct seg6local_context { struct in_addr nh4; struct in6_addr nh6; @@ -170,7 +180,7 @@ struct nexthop_srv6 { struct seg6local_context seg6local_ctx; /* SRv6 Headend-behaviour */ - struct in6_addr seg6_segs; + struct seg6_seg_stack *seg6_segs; }; static inline const char *seg6_mode2str(enum seg6_mode_t mode) @@ -206,12 +216,21 @@ static inline bool sid_diff( return !sid_same(a, b); } -static inline bool sid_zero( - const struct in6_addr *a) + +static inline bool sid_zero(const struct seg6_seg_stack *a) +{ + struct in6_addr zero = {}; + + assert(a); + + return sid_same(&a->seg[0], &zero); +} + +static inline bool sid_zero_ipv6(const struct in6_addr *a) { struct in6_addr zero = {}; - return sid_same(a, &zero); + return sid_same(&a[0], &zero); } static inline void *sid_copy(struct in6_addr *dst, |