diff options
| author |   Florin Coras <fcoras@cisco.com> | 2022-12-19 10:55:18 -0800 |
|---|---|---|
| committer |   Dave Barach <vpp@barachs.net> | 2022-12-20 21:45:03 +0000 |
| commit | 15952b261f92959ca14cf6679efc318c12e90de6 (patch) | |
| tree | 3dfef937ffc510d5d0b8c3af15bcb1b2ce718d64 /src/vnet/udp/udp.c | |
| parent | 8753180a80e03dd031fa7f470adbcbb4a611d1c9 (diff) | |
udp: fix tx handling of non-connected sessions
Type: fix
Signed-off-by: Florin Coras <fcoras@cisco.com>
Change-Id: I659b9914fcfa4619a68e9807ef241f88c96b3bd0
Diffstat (limited to 'src/vnet/udp/udp.c')
| -rw-r--r-- | src/vnet/udp/udp.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/vnet/udp/udp.c b/src/vnet/udp/udp.c index 710d1ac9e52..e095a66dcf2 100644 --- a/src/vnet/udp/udp.c +++ b/src/vnet/udp/udp.c @@ -223,9 +223,27 @@ udp_push_one_header (vlib_main_t *vm, udp_connection_t *uc, vlib_buffer_t *b) vlib_buffer_push_udp (b, uc->c_lcl_port, uc->c_rmt_port, udp_csum_offload (uc)); b->flags |= VNET_BUFFER_F_LOCALLY_ORIGINATED; + + /* Handle ip header now as session layer overwrite connection details for + * non-connected udp. */ + if (uc->c_is_ip4) + vlib_buffer_push_ip4_custom (vm, b, &uc->c_lcl_ip4, &uc->c_rmt_ip4, + IP_PROTOCOL_UDP, udp_csum_offload (uc), + 0 /* is_df */, uc->c_dscp); + else + vlib_buffer_push_ip6 (vm, b, &uc->c_lcl_ip6, &uc->c_rmt_ip6, + IP_PROTOCOL_UDP); + /* reuse tcp medatada for now */ vnet_buffer (b)->tcp.connection_index = uc->c_c_index; + /* Not connected udp session. Mark buffer for custom handling in + * udp_output */ + if (PREDICT_FALSE (!(uc->flags & UDP_CONN_F_CONNECTED))) + vnet_buffer (b)->tcp.flags |= UDP_CONN_F_LISTEN; + else + vnet_buffer (b)->tcp.flags = 0; + return 0; } |