diff options
| author |   Florin Coras <fcoras@cisco.com> | 2019-03-12 18:58:54 -0700 |
|---|---|---|
| committer |   Damjan Marion <dmarion@me.com> | 2019-03-22 17:30:29 +0000 |
| commit | 4759683744d079f868a6bcca8084eba8466620d7 (patch) | |
| tree | 6795035edf69463107dfbaa54eae3183cdc62356 /src/vnet/tcp/tcp.h | |
| parent | 881d13ede7336e5b16601033e5dd9aeb94c795e3 (diff) | |
tcp: improve handling of snd_nxt
- avoid changing snd_nxt when doing fast retransmits
- use snd_una_max only to keep track of the max seq number sent
- simplify future ack testing
Change-Id: I3580ad3aefe30128486c3375d0ac3f3f62c04c5e
Signed-off-by: Florin Coras <fcoras@cisco.com>
Diffstat (limited to 'src/vnet/tcp/tcp.h')
| -rw-r--r-- | src/vnet/tcp/tcp.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/vnet/tcp/tcp.h b/src/vnet/tcp/tcp.h index 07ceb5a67a6..9e2c6d8c4f5 100644 --- a/src/vnet/tcp/tcp.h +++ b/src/vnet/tcp/tcp.h @@ -680,7 +680,7 @@ tcp_flight_size (const tcp_connection_t * tc) { int flight_size; - flight_size = (int) (tc->snd_una_max - tc->snd_una) - tcp_bytes_out (tc) + flight_size = (int) (tc->snd_nxt - tc->snd_una) - tcp_bytes_out (tc) + tc->snd_rxt_bytes; if (flight_size < 0) @@ -924,7 +924,7 @@ tcp_persist_timer_reset (tcp_connection_t * tc) always_inline void tcp_retransmit_timer_update (tcp_connection_t * tc) { - if (tc->snd_una == tc->snd_una_max) + if (tc->snd_una == tc->snd_nxt) { tcp_retransmit_timer_reset (tc); if (tc->snd_wnd < tc->snd_mss) |