diff options
| author |   Damjan Marion <damarion@cisco.com> | 2019-03-22 13:58:08 +0100 |
|---|---|---|
| committer |   Florin Coras <florin.coras@gmail.com> | 2019-03-22 17:31:15 +0000 |
| commit | 831d23866ab1010a7d7343aa1df024c8b65790b9 (patch) | |
| tree | 1008035e4b707564ed055be748dfa5a2962d98b6 /src/vnet/ip/ip6_packet.h | |
| parent | 3e2e1907d485ed321f99350dd46e6822db6ac4d4 (diff) | |
ipv6: vectorized ext header check
Change-Id: I454bb01153d1d0536c4a6fe36103e7721aad8cd1
Signed-off-by: Damjan Marion <damarion@cisco.com>
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) |