diff options
Diffstat (limited to 'trafgen_l3.c')
| -rw-r--r-- | trafgen_l3.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/trafgen_l3.c b/trafgen_l3.c index a3f711d..9d0d930 100644 --- a/trafgen_l3.c +++ b/trafgen_l3.c @@ -212,6 +212,20 @@ static void ipv6_set_next_proto(struct proto_hdr *hdr, enum proto_id pid) proto_hdr_field_set_default_u8(hdr, IP6_NEXT_HDR, ip_proto); } +static enum proto_id ipv6_get_next_proto(struct proto_hdr *hdr) +{ + switch (proto_hdr_field_get_u8(hdr, IP6_NEXT_HDR)) { + case IPPROTO_ICMPV6: + return PROTO_IP4; + case IPPROTO_UDP: + return PROTO_UDP; + case IPPROTO_TCP: + return PROTO_TCP; + default: + return __PROTO_MAX; + } +} + static const struct proto_ops ipv6_proto_ops = { .id = PROTO_IP6, .layer = PROTO_L3, @@ -219,6 +233,7 @@ static const struct proto_ops ipv6_proto_ops = { .field_changed = ipv6_field_changed, .packet_finish = ipv6_packet_finish, .set_next_proto = ipv6_set_next_proto, + .get_next_proto = ipv6_get_next_proto, }; void protos_l3_init(void) |