From 9f9e969f149e40044fee9d2e47b7dd96f3ae4dfa Mon Sep 17 00:00:00 2001 From: Florin Coras Date: Fri, 19 Oct 2018 17:49:00 -0700 Subject: tcp: count first lost hole (VPP-1465) Change-Id: I3ac136e2a10796d8fa86ddb6f0d6cabe5fa749f8 Signed-off-by: Florin Coras --- src/plugins/unittest/tcp_test.c | 32 +++++++++++++++++++++++++++++--- 1 file changed, 29 insertions(+), 3 deletions(-) (limited to 'src/plugins/unittest/tcp_test.c') diff --git a/src/plugins/unittest/tcp_test.c b/src/plugins/unittest/tcp_test.c index 608f1efc53d..d06578771c0 100644 --- a/src/plugins/unittest/tcp_test.c +++ b/src/plugins/unittest/tcp_test.c @@ -129,7 +129,7 @@ tcp_test_sack_rx (vlib_main_t * vm, unformat_input_t * input) TCP_TEST ((sb->last_sacked_bytes == 400), "last sacked bytes %d", sb->last_sacked_bytes); TCP_TEST ((sb->high_sacked == 900), "high sacked %u", sb->high_sacked); - TCP_TEST ((sb->lost_bytes == 200), "lost bytes %u", sb->lost_bytes); + TCP_TEST ((sb->lost_bytes == 300), "lost bytes %u", sb->lost_bytes); /* * Inject odd blocks @@ -276,7 +276,7 @@ tcp_test_sack_rx (vlib_main_t * vm, unformat_input_t * input) "\n%U", format_tcp_scoreboard, sb, tc); TCP_TEST ((pool_elts (sb->holes) == 5), "scoreboard has %d elements", pool_elts (sb->holes)); - TCP_TEST ((sb->lost_bytes == 200), "lost bytes %u", sb->lost_bytes); + TCP_TEST ((sb->lost_bytes == 300), "lost bytes %u", sb->lost_bytes); tcp_rcv_sacks (tc, 950); @@ -368,7 +368,7 @@ tcp_test_sack_rx (vlib_main_t * vm, unformat_input_t * input) sb->last_sacked_bytes); TCP_TEST ((sb->last_bytes_delivered == 0), "last bytes delivered %d", sb->last_bytes_delivered); - TCP_TEST ((sb->lost_bytes == 200), "lost bytes %u", sb->lost_bytes); + TCP_TEST ((sb->lost_bytes == 300), "lost bytes %u", sb->lost_bytes); tc->snd_una = 100; tcp_rcv_sacks (tc, 200); @@ -410,6 +410,32 @@ tcp_test_sack_rx (vlib_main_t * vm, unformat_input_t * input) TCP_TEST ((sb->last_bytes_delivered == 0), "last bytes delivered %d", sb->last_bytes_delivered); TCP_TEST ((sb->snd_una_adv == 0), "snd_una_adv %u", sb->snd_una_adv); + + /* + * Add [1200, 1500] and test that [1000, 1200] is lost (bytes condition) + * snd_una = 1000 and snd_una_max = 1600 + */ + tc->snd_una = 1000; + tc->snd_una_max = 1600; + vec_reset_length (tc->rcv_opts.sacks); + block.start = 1200; + block.end = 1500; + vec_add1 (tc->rcv_opts.sacks, block); + tc->rcv_opts.n_sack_blocks = vec_len (tc->rcv_opts.sacks); + tcp_rcv_sacks (tc, 1000); + if (verbose) + vlib_cli_output (vm, "\nacked [1200, 1500] test first hole is lost:\n%U", + format_tcp_scoreboard, sb, tc); + TCP_TEST ((pool_elts (sb->holes) == 2), "scoreboard has %d elements", + pool_elts (sb->holes)); + TCP_TEST ((sb->sacked_bytes == 300), "sacked bytes %d", sb->sacked_bytes); + TCP_TEST ((sb->last_sacked_bytes == 300), "last sacked bytes %d", + sb->last_sacked_bytes); + TCP_TEST ((sb->last_bytes_delivered == 0), "last bytes delivered %d", + sb->last_bytes_delivered); + TCP_TEST ((sb->lost_bytes == 200), "lost bytes %u", sb->lost_bytes); + TCP_TEST ((sb->snd_una_adv == 0), "snd_una_adv %u", sb->snd_una_adv); + return 0; } -- cgit 1.2.3-korg