tcp: retry lost retransmits
Add heuristic that detects lost retransmitted segments and retries
sending them.
Type: feature
Change-Id: I34d1bb16799e1993779222eb2bfad4b40704159e
Signed-off-by: Florin Coras <fcoras@cisco.com>
diff --git a/src/vnet/session/transport.c b/src/vnet/session/transport.c
index 3e72399..49a4af7 100644
--- a/src/vnet/session/transport.c
+++ b/src/vnet/session/transport.c
@@ -566,9 +566,14 @@
format_transport_pacer (u8 * s, va_list * args)
{
spacer_t *pacer = va_arg (*args, spacer_t *);
+ vlib_main_t *vm = vlib_get_main ();
+ u64 now, diff;
- s = format (s, "bucket %u tokens/period %.3f last_update %x",
- pacer->bucket, pacer->tokens_per_period, pacer->last_update);
+ now = vm->clib_time.last_cpu_time;
+ diff = now - (pacer->last_update << SPACER_CPU_TICKS_PER_PERIOD_SHIFT);
+ s = format (s, "rate %u bucket %u t/p %.3f last_update %.3f",
+ pacer->bytes_per_sec, pacer->bucket, pacer->tokens_per_period,
+ diff * vm->clib_time.seconds_per_clock);
return s;
}