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tcp: honor snd_wnd in fast rxt

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Type:fix

Change-Id: I2f4224a53360f533c086ebde6a3056e60431da87
Signed-off-by: Florin Coras <fcoras@cisco.com>
This commit is contained in:
Florin Coras
2019-07-31 14:11:05 -07:00
committed by Dave Barach
parent 0bff37f74e
commit 635acbf4b7
1 changed files with 4 additions and 1 deletions
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5
src/vnet/tcp/tcp_output.c
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@ -1769,11 +1769,14 @@ static int
tcp_fast_retransmit_unsent (tcp_worker_ctx_t * wrk, tcp_connection_t * tc,
u32 burst_size)
{
u32 offset, n_segs = 0, n_written, bi;
u32 offset, n_segs = 0, n_written, bi, available_wnd;
vlib_main_t *vm = wrk->vm;
vlib_buffer_t *b = 0;
offset = tc->snd_nxt - tc->snd_una;
available_wnd = tc->snd_wnd - offset;
burst_size = clib_min (burst_size, available_wnd / tc->snd_mss);
while (n_segs < burst_size)
{
n_written = tcp_prepare_segment (wrk, tc, offset, tc->snd_mss, &b);