diff options
| author |   Klement Sekera <ksekera@cisco.com> | 2019-10-10 17:03:57 +0000 |
|---|---|---|
| committer |   Ole Trøan <otroan@employees.org> | 2019-10-11 11:38:40 +0000 |
| commit | 8563cb389a7e8d6d4e042e146c0d94b8af98ca7a (patch) | |
| tree | 0cd1e4da6816a452c7eaed44e7f913a3ecefc255 /src/vnet/ip/ip6_format.c | |
| parent | 68bae5b293d6066afc1e74677d716d79fb7e6995 (diff) | |
ip: reassembly: trace ip headers over worker handoffs
This change adds tracing of IP headers when doing a handoff between
worker threads. This eases debugging.
Type: feature
Change-Id: I2195b070a364cba13a658ec1cee5154fc4c3a8b0
Signed-off-by: Klement Sekera <ksekera@cisco.com>
Diffstat (limited to 'src/vnet/ip/ip6_format.c')
| -rw-r--r-- | src/vnet/ip/ip6_format.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/vnet/ip/ip6_format.c b/src/vnet/ip/ip6_format.c index 4d1793970df..5b8df239bf2 100644 --- a/src/vnet/ip/ip6_format.c +++ b/src/vnet/ip/ip6_format.c @@ -417,6 +417,25 @@ format_ip46_address (u8 * s, va_list * args) format (s, "%U", format_ip6_address, &ip46->ip6); } +u8 * +format_ip6_frag_hdr (u8 * s, va_list * args) +{ + ip6_frag_hdr_t *h = va_arg (*args, ip6_frag_hdr_t *); + u32 max_header_bytes = va_arg (*args, u32); + u32 header_bytes; + + header_bytes = sizeof (h[0]); + if (max_header_bytes != 0 && header_bytes > max_header_bytes) + return format (s, "ipv6 frag header truncated"); + + s = + format (s, + "IPV6_FRAG_HDR: next_hdr: %u, rsv: %u, frag_offset_and_more: %u, id: %u", + h->next_hdr, h->rsv, h->fragment_offset_and_more, + clib_net_to_host_u32 (h->identification)); + return s; +} + /* * fd.io coding-style-patch-verification: ON * |