diff options
author | 2020-05-25 19:15:56 +0000 | |
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committer | 2020-05-25 20:34:17 +0000 | |
commit | 89c12dbe239dc6d8bde1a99f970d05556db6bd98 (patch) | |
tree | 2c6a8eaf9192e3bee8677e318eeccfcb1b3c7ff8 /src/plugins/unittest | |
parent | 11974e5f5a8e11429e69fbd3c6058c70f30ef697 (diff) |
tcp: fix sack block validation on wrap
Type: fix
Fixes: 487507f
Ticket: VPP-1879
Signed-off-by: Florin Coras <fcoras@cisco.com>
Change-Id: Ia9813ae09d14111dc8edac0fa6ab082e13ab6e2e
(cherry picked from commit 3b9540966f877ae67d374cab334c31bd6e3f8c8b)
Diffstat (limited to 'src/plugins/unittest')
-rw-r--r-- | src/plugins/unittest/tcp_test.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/src/plugins/unittest/tcp_test.c b/src/plugins/unittest/tcp_test.c index 535f0552b10..b98d360ca51 100644 --- a/src/plugins/unittest/tcp_test.c +++ b/src/plugins/unittest/tcp_test.c @@ -637,6 +637,32 @@ tcp_test_sack_rx (vlib_main_t * vm, unformat_input_t * input) TCP_TEST ((sb->rxt_sacked == 300), "last rxt sacked bytes %d", sb->rxt_sacked); + /* + * Restart + */ + scoreboard_clear (sb); + vec_reset_length (tc->rcv_opts.sacks); + + /* + * Broken sacks: + * block.start > snd_nxt + * && block.start < blk.end + * && block.end <= snd_nxt + */ + tc->flags = 0; + block.start = 2147483647; + block.end = 4294967295; + vec_add1 (tc->rcv_opts.sacks, block); + tc->snd_una = tc->snd_nxt = 1969067947; + + tcp_rcv_sacks (tc, tc->snd_una); + + /* + * Clear + */ + scoreboard_clear (sb); + vec_reset_length (tc->rcv_opts.sacks); + return 0; } |