diff options
Diffstat (limited to 'src/vnet/ip/ip6_packet.h')
| -rw-r--r-- | src/vnet/ip/ip6_packet.h | 30 |
1 files changed, 25 insertions, 5 deletions
diff --git a/src/vnet/ip/ip6_packet.h b/src/vnet/ip/ip6_packet.h index 5d33cc77925..abbea5c46a1 100644 --- a/src/vnet/ip/ip6_packet.h +++ b/src/vnet/ip/ip6_packet.h @@ -513,16 +513,36 @@ typedef CLIB_PACKED (struct { u8 n_data_u64s; }) ip6_ext_header_t; +#define foreach_ext_hdr_type \ + _(IP6_HOP_BY_HOP_OPTIONS) \ + _(IPV6_ROUTE) \ + _(IPV6_FRAGMENTATION) \ + _(IPSEC_ESP) \ + _(IPSEC_AH) \ + _(IP6_DESTINATION_OPTIONS) \ + _(MOBILITY) \ + _(HIP) \ + _(SHIM6) + always_inline u8 ip6_ext_hdr(u8 nexthdr) { +#ifdef CLIB_HAVE_VEC128 + static const u8x16 ext_hdr_types = { +#define _(x) IP_PROTOCOL_##x, + foreach_ext_hdr_type +#undef _ + }; + + return !u8x16_is_all_zero (ext_hdr_types == u8x16_splat (nexthdr)); +#else /* * find out if nexthdr is an extension header or a protocol */ - return (nexthdr == IP_PROTOCOL_IP6_HOP_BY_HOP_OPTIONS) || - (nexthdr == IP_PROTOCOL_IPV6_FRAGMENTATION) || - (nexthdr == IP_PROTOCOL_IPSEC_AH) || - (nexthdr == IP_PROTOCOL_IPV6_ROUTE) || - (nexthdr == IP_PROTOCOL_IP6_DESTINATION_OPTIONS); + return 0 +#define _(x) || (nexthdr == IP_PROTOCOL_##x) + foreach_ext_hdr_type; +#undef _ +#endif } #define ip6_ext_header_len(p) ((((ip6_ext_header_t *)(p))->n_data_u64s+1) << 3) |