Xyxue, It’s on our todo list. In the mean time, you can use the raw session layer apis. For examples see src/tests/vnet/session/udp_echo.c
Florin > On May 21, 2018, at 11:08 PM, xyxue <xy...@fiberhome.com> wrote: > > Hi Florin， Ed， > > I'm testing the vcl in udp mode. After our debug vpp can receive the udp > packets , but the packets will be dropped . Trace info is shown below: > > Packet 1 > > 01:46:56:707843: af-packet-input > af_packet: hw_if_index 1 next-index 4 > tpacket2_hdr: > status 0x81 len 106 snaplen 106 mac 66 net 80 > sec 0x5b03780d nsec 0x3498f0be vlan 0 vlan_tpid 0 > 01:47:04:449319: ethernet-input > IP4: 02:fe:3f:8d:97:a4 -> 02:fe:6e:ca:46:82 > 01:47:04:449340: ip4-input > UDP: 2.1.1.1 -> 2.1.1.2 > tos 0x00, ttl 255, length 92, checksum 0x758c > fragment id 0x0000, flags DONT_FRAGMENT > UDP: 3536 -> 2111 > length 72, checksum 0x8106 > 01:47:04:449349: ip4-lookup > fib 0 dpo-idx 7 flow hash: 0x00000000 > UDP: 2.1.1.1 -> 2.1.1.2 > tos 0x00, ttl 255, length 92, checksum 0x758c > fragment id 0x0000, flags DONT_FRAGMENT > UDP: 3536 -> 2111 > length 72, checksum 0x8106 > 01:47:04:449360: ip4-local > UDP: 2.1.1.1 -> 2.1.1.2 > tos 0x00, ttl 255, length 92, checksum 0x758c > fragment id 0x0000, flags DONT_FRAGMENT > UDP: 3536 -> 2111 > length 72, checksum 0x8106 > 01:47:04:449367: ip4-udp-lookup > UDP: src-port 3536 dst-port 2111 > 01:47:04:449379: udp4-input > UDP_INPUT: connection 0, disposition 4, thread 0 > 01:47:04:449415: error-drop > udp4-input: UDP packets enqueued > > Is there a plan to support the udp mode in vcl? > > Thanks, > Xyxue >
