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-rw-r--r--src/plugins/unittest/tcp_test.c26
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;
}