diff options
| author |   Klement Sekera <ksekera@cisco.com> | 2020-11-25 16:47:00 +0000 |
|---|---|---|
| committer |   Neale Ranns <nranns@cisco.com> | 2020-11-26 10:29:38 +0000 |
| commit | 78ef61e4a081b8bad57f06d34d66ccb9f7d39848 (patch) | |
| tree | 40d3a44c38be7ddfe3de1ece4f0adf3ee00941f4 | |
| parent | 87866037c44be7dd7467981757d3206835901996 (diff) | |
ip: trace icmp echo request/reply id
Type: improvement
Change-Id: Ie3a5b182e446c407f258c043c22d1cf25eb7ee59
Signed-off-by: Klement Sekera <ksekera@cisco.com>
| -rw-r--r-- | src/vnet/ip/icmp4.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/vnet/ip/icmp4.c b/src/vnet/ip/icmp4.c index 48bcf67ac4e..05262e6f8e4 100644 --- a/src/vnet/ip/icmp4.c +++ b/src/vnet/ip/icmp4.c @@ -101,6 +101,12 @@ format_ip4_icmp_header (u8 * s, va_list * args) format_ip4_icmp_type_and_code, icmp->type, icmp->code, clib_net_to_host_u16 (icmp->checksum)); + if ((ICMP4_echo_request == icmp->type || ICMP4_echo_reply == icmp->type) + && sizeof (icmp[0]) + sizeof (u16) < max_header_bytes) + { + s = format (s, " id %u", clib_net_to_host_u16 (*(u16 *) (icmp + 1))); + } + return s; } |