From d6fe5bd60671c5f274c290abf08df074510c952b Mon Sep 17 00:00:00 2001 From: Florin Coras Date: Tue, 16 Oct 2018 19:52:10 -0700 Subject: tcp: avoid sack processing when not needed (VPP-1460) Change-Id: If81ee34e1f1e929de1a5b758ddb9aede4002e858 Signed-off-by: Florin Coras --- src/vnet/tcp/tcp.c | 6 ++++-- src/vnet/tcp/tcp_input.c | 3 ++- 2 files changed, 6 insertions(+), 3 deletions(-) (limited to 'src/vnet') diff --git a/src/vnet/tcp/tcp.c b/src/vnet/tcp/tcp.c index 1c8ce34a728..884602deb6f 100644 --- a/src/vnet/tcp/tcp.c +++ b/src/vnet/tcp/tcp.c @@ -939,9 +939,11 @@ format_tcp_scoreboard (u8 * s, va_list * args) s = format (s, "sacked_bytes %u last_sacked_bytes %u lost_bytes %u\n", sb->sacked_bytes, sb->last_sacked_bytes, sb->lost_bytes); s = format (s, " last_bytes_delivered %u high_sacked %u snd_una_adv %u\n", - sb->last_bytes_delivered, sb->high_sacked, sb->snd_una_adv); + sb->last_bytes_delivered, sb->high_sacked - tc->iss, + sb->snd_una_adv); s = format (s, " cur_rxt_hole %u high_rxt %u rescue_rxt %u", - sb->cur_rxt_hole, sb->high_rxt, sb->rescue_rxt); + sb->cur_rxt_hole, sb->high_rxt - tc->iss, + sb->rescue_rxt - tc->iss); hole = scoreboard_first_hole (sb); if (hole) diff --git a/src/vnet/tcp/tcp_input.c b/src/vnet/tcp/tcp_input.c index 10f50fefc09..85aaa16f245 100644 --- a/src/vnet/tcp/tcp_input.c +++ b/src/vnet/tcp/tcp_input.c @@ -135,7 +135,8 @@ tcp_options_parse (tcp_header_t * th, tcp_options_t * to) data = (const u8 *) (th + 1); /* Zero out all flags but those set in SYN */ - to->flags &= (TCP_OPTS_FLAG_SACK_PERMITTED | TCP_OPTS_FLAG_WSCALE); + to->flags &= (TCP_OPTS_FLAG_SACK_PERMITTED | TCP_OPTS_FLAG_WSCALE + | TCP_OPTS_FLAG_SACK); for (; opts_len > 0; opts_len -= opt_len, data += opt_len) { -- cgit