diff options
| author |   Kingwel Xie <kingwel.xie@ericsson.com> | 2018-10-10 20:51:59 -0400 |
|---|---|---|
| committer |   Damjan Marion <dmarion@me.com> | 2018-10-23 13:20:48 +0000 |
| commit | fc3b8b8ad08d2d4cc375149ecdc10c37d4a80940 (patch) | |
| tree | 7ddb14c5dce315c6f726c857e7a9c2a0368e280c /src/vnet/udp | |
| parent | 0a554c773bc287721d1100db4725c373b7640c67 (diff) | |
pg: udp length & checsum issue
if udp length is specified, then use this length to calculate udp checksum
otherwise, use length from vlib_buffer
Change-Id: I5304a60d5d429993d0524b864b65ec503775412d
Signed-off-by: Kingwel Xie <kingwel.xie@ericsson.com>
Diffstat (limited to 'src/vnet/udp')
| -rw-r--r-- | src/vnet/udp/udp_pg.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/src/vnet/udp/udp_pg.c b/src/vnet/udp/udp_pg.c index c9d8d38ca4a..a81a9d2ed40 100644 --- a/src/vnet/udp/udp_pg.c +++ b/src/vnet/udp/udp_pg.c @@ -68,12 +68,12 @@ udp_pg_edit_function_inline (pg_main_t * pg, ip0 = (void *) (p0->data + ip_offset); udp0 = (void *) (p0->data + udp_offset); - udp_len0 = clib_net_to_host_u16 (ip0->length) - sizeof (ip0[0]); + udp_len0 = vlib_buffer_length_in_chain (vm, p0) - udp_offset; if (flags & UDP_PG_EDIT_LENGTH) - udp0->length = - clib_net_to_host_u16 (vlib_buffer_length_in_chain (vm, p0) - - ip_offset); + udp0->length = clib_host_to_net_u16 (udp_len0); + else + udp_len0 = clib_host_to_net_u16 (udp0->length); /* Initialize checksum with header. */ if (flags & UDP_PG_EDIT_CHECKSUM) |