diff options
| author |   Dave Barach <dave@barachs.net> | 2017-04-20 17:50:39 -0400 |
|---|---|---|
| committer |   Damjan Marion <dmarion.lists@gmail.com> | 2017-04-24 13:24:58 +0000 |
| commit | 636815199a1f359fdd0da706985a74eca95254da (patch) | |
| tree | 8d613f317624127fdd8ba42097fb60f1347bbb60 /src/vnet/tcp/tcp_format.c | |
| parent | b68ad1e99fb65f7ddb4a3211b47173f8c89b29c4 (diff) | |
Debug CLI to magically create / delete a TCP session
The session ends up in established state, and is hand-crafted to look
like it was created by the builtin_server.
This will come in handy for injecting packets into tcp46-established,
along with ancillary debug CLI to adjust connection parameters.
Immediate applications include screwball window cases, out of order
segments, paws checking, and so on and so forth.
Debug CLI script:
loop create
set int ip address loop0 6.0.1.1/8
set int state loop0 up
set ip arp loop0 6.0.1.2 feed.face.babe
test tcp server
test tcp session
packet-generator new {
name tcp
limit 1
node ip4-input
size 100-100
interface loop0
no-recycle
data {
TCP: 6.0.1.2 -> 6.0.1.1
TCP: 11234 -> 1234
ACK window 2000
seqnum 0
acknum 0
incrementing 100
}
}
Change-Id: I866c2159376064b7d14f70531022c1fe949258c2
Signed-off-by: Dave Barach <dave@barachs.net>
Diffstat (limited to 'src/vnet/tcp/tcp_format.c')
| -rw-r--r-- | src/vnet/tcp/tcp_format.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/vnet/tcp/tcp_format.c b/src/vnet/tcp/tcp_format.c index 994ccfd6..1ca2f58e 100644 --- a/src/vnet/tcp/tcp_format.c +++ b/src/vnet/tcp/tcp_format.c @@ -45,7 +45,8 @@ format_tcp_flags (u8 * s, va_list * args) { int flags = va_arg (*args, int); -#define _(f) if (flags & TCP_FLAG_##f) s = format (s, "%s, ", #f); + s = format (s, "0x%02x", flags); +#define _(f) if (flags & TCP_FLAG_##f) s = format (s, " %s", #f); foreach_tcp_flag #undef _ return s; |