diff options
Diffstat (limited to 'trafgen_l3.c')
| -rw-r--r-- | trafgen_l3.c | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/trafgen_l3.c b/trafgen_l3.c index 48790e5..a3f711d 100644 --- a/trafgen_l3.c +++ b/trafgen_l3.c @@ -38,7 +38,7 @@ static void ipv4_header_init(struct proto_hdr *hdr) struct dev_io *dev = proto_dev_get(); /* In case of tun interface we do not need to create Ethernet header */ - if (dev_io_is_pcap(dev) || device_type(dev_io_name_get(dev)) != ARPHRD_NONE) + if (!dev_io_is_netdev(dev) || device_type(dev_io_name_get(dev)) != ARPHRD_NONE) proto_lower_default_add(hdr, PROTO_ETH); proto_header_fields_add(hdr, ipv4_fields, array_size(ipv4_fields)); @@ -117,6 +117,24 @@ static void ipv4_set_next_proto(struct proto_hdr *hdr, enum proto_id pid) proto_hdr_field_set_default_u8(hdr, IP4_PROTO, ip_proto); } +static enum proto_id ipv4_get_next_proto(struct proto_hdr *hdr) +{ + switch (proto_hdr_field_get_u8(hdr, IP4_PROTO)) { + case IPPROTO_IPIP: + return PROTO_IP4; + case IPPROTO_IPV6: + return PROTO_IP6; + case IPPROTO_ICMP: + return PROTO_ICMP4; + case IPPROTO_UDP: + return PROTO_UDP; + case IPPROTO_TCP: + return PROTO_TCP; + default: + return __PROTO_MAX; + } +} + static const struct proto_ops ipv4_proto_ops = { .id = PROTO_IP4, .layer = PROTO_L3, @@ -125,6 +143,7 @@ static const struct proto_ops ipv4_proto_ops = { .field_changed = ipv4_field_changed, .packet_finish = ipv4_packet_finish, .set_next_proto = ipv4_set_next_proto, + .get_next_proto = ipv4_get_next_proto, }; static struct proto_field ipv6_fields[] = { |