}
static int
-tcp_test_sack ()
+tcp_test_sack_rx ()
{
tcp_connection_t _tc, *tc = &_tc;
sack_scoreboard_t *sb = &tc->sack_sb;
return 0;
}
+static int
+tcp_test_sack_tx (vlib_main_t * vm, unformat_input_t * input)
+{
+ tcp_connection_t _tc, *tc = &_tc;
+ sack_block_t *sacks;
+ int i, verbose = 0;
+
+ while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (input, "verbose"))
+ verbose = 1;
+ else
+ {
+ vlib_cli_output (vm, "parse error: '%U'", format_unformat_error,
+ input);
+ return -1;
+ }
+ }
+
+ memset (tc, 0, sizeof (*tc));
+
+ /*
+ * Add odd sack block pairs
+ */
+ for (i = 1; i < 10; i += 2)
+ {
+ tcp_update_sack_list (tc, i * 100, (i + 1) * 100);
+ }
+
+ TCP_TEST ((vec_len (tc->snd_sacks) == 5), "sack blocks %d expected %d",
+ vec_len (tc->snd_sacks), 5);
+ TCP_TEST ((tc->snd_sacks[0].start = 900),
+ "first sack block start %u expected %u", tc->snd_sacks[0].start,
+ 900);
+
+ /*
+ * Try to add one extra
+ */
+ sacks = vec_dup (tc->snd_sacks);
+
+ tcp_update_sack_list (tc, 1100, 1200);
+ TCP_TEST ((vec_len (tc->snd_sacks) == 5), "sack blocks %d expected %d",
+ vec_len (tc->snd_sacks), 5);
+ TCP_TEST ((tc->snd_sacks[0].start == 1100),
+ "first sack block start %u expected %u", tc->snd_sacks[0].start,
+ 1100);
+
+ /* restore */
+ vec_free (tc->snd_sacks);
+ tc->snd_sacks = sacks;
+
+ /*
+ * Overlap first 2 segment
+ */
+ tc->rcv_nxt = 300;
+ tcp_update_sack_list (tc, 300, 300);
+ if (verbose)
+ vlib_cli_output (vm, "overlap first 2 segments:\n%U",
+ format_tcp_sacks, tc->snd_sacks);
+ TCP_TEST ((vec_len (tc->snd_sacks) == 3), "sack blocks %d expected %d",
+ vec_len (tc->snd_sacks), 3);
+ TCP_TEST ((tc->snd_sacks[0].start == 900),
+ "first sack block start %u expected %u", tc->snd_sacks[0].start,
+ 500);
+
+ /*
+ * Add a new segment
+ */
+ tcp_update_sack_list (tc, 1100, 1200);
+ if (verbose)
+ vlib_cli_output (vm, "add new segment [1100, 1200]\n%U",
+ format_tcp_sacks, tc->snd_sacks);
+ TCP_TEST ((vec_len (tc->snd_sacks) == 4), "sack blocks %d expected %d",
+ vec_len (tc->snd_sacks), 4);
+ TCP_TEST ((tc->snd_sacks[0].start == 1100),
+ "first sack block start %u expected %u", tc->snd_sacks[0].start,
+ 1100);
+
+ /*
+ * Join middle segments
+ */
+ tcp_update_sack_list (tc, 800, 900);
+ if (verbose)
+ vlib_cli_output (vm, "join middle segments [800, 900]\n%U",
+ format_tcp_sacks, tc->snd_sacks);
+
+ TCP_TEST ((vec_len (tc->snd_sacks) == 3), "sack blocks %d expected %d",
+ vec_len (tc->snd_sacks), 3);
+ TCP_TEST ((tc->snd_sacks[0].start == 700),
+ "first sack block start %u expected %u", tc->snd_sacks[0].start,
+ 1100);
+
+ /*
+ * Advance rcv_nxt to overlap all
+ */
+ tc->rcv_nxt = 1200;
+ tcp_update_sack_list (tc, 1200, 1200);
+ if (verbose)
+ vlib_cli_output (vm, "advance rcv_nxt to 1200\n%U",
+ format_tcp_sacks, tc->snd_sacks);
+ TCP_TEST ((vec_len (tc->snd_sacks) == 0), "sack blocks %d expected %d",
+ vec_len (tc->snd_sacks), 0);
+ return 0;
+}
+
+static int
+tcp_test_sack (vlib_main_t * vm, unformat_input_t * input)
+{
+ int res = 0;
+
+ /* Run all tests */
+ if (unformat_check_input (input) == UNFORMAT_END_OF_INPUT)
+ {
+ if (tcp_test_sack_tx (vm, input))
+ {
+ return -1;
+ }
+
+ if (tcp_test_sack_rx ())
+ {
+ return -1;
+ }
+ }
+ else
+ {
+ if (unformat (input, "tx"))
+ {
+ res = tcp_test_sack_tx (vm, input);
+ }
+ else if (unformat (input, "rx"))
+ {
+ res = tcp_test_sack_rx ();
+ }
+ }
+
+ return res;
+}
+
+
typedef struct
{
u32 offset;
return res;
}
+static int
+tcp_test_session (vlib_main_t * vm, unformat_input_t * input)
+{
+ int rv = 0;
+ tcp_connection_t *tc0;
+ u8 sst = SESSION_TYPE_IP4_TCP;
+ ip4_address_t local, remote;
+ u16 local_port, remote_port;
+ tcp_main_t *tm = vnet_get_tcp_main ();
+ int is_add = 1;
+
+
+ while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (input, "del"))
+ is_add = 0;
+ else if (unformat (input, "add"))
+ is_add = 1;
+ else
+ break;
+ }
+
+ if (is_add)
+ {
+ local.as_u32 = clib_host_to_net_u32 (0x06000101);
+ remote.as_u32 = clib_host_to_net_u32 (0x06000102);
+ local_port = clib_host_to_net_u16 (1234);
+ remote_port = clib_host_to_net_u16 (11234);
+
+ pool_get (tm->connections[0], tc0);
+ memset (tc0, 0, sizeof (*tc0));
+
+ tc0->state = TCP_STATE_ESTABLISHED;
+ tc0->rcv_las = 1;
+ tc0->c_c_index = tc0 - tm->connections[0];
+ tc0->c_lcl_port = local_port;
+ tc0->c_rmt_port = remote_port;
+ tc0->c_is_ip4 = 1;
+ tc0->c_thread_index = 0;
+ tc0->c_lcl_ip4.as_u32 = local.as_u32;
+ tc0->c_rmt_ip4.as_u32 = remote.as_u32;
+ tc0->opt.mss = 1450;
+ tcp_connection_init_vars (tc0);
+
+ TCP_EVT_DBG (TCP_EVT_OPEN, tc0);
+
+ if (stream_session_accept (&tc0->connection, 0 /* listener index */ ,
+ sst, 0 /* notify */ ))
+ clib_warning ("stream_session_accept failed");
+
+ stream_session_accept_notify (&tc0->connection);
+ }
+ else
+ {
+ tc0 = tcp_connection_get (0 /* connection index */ , 0 /* thread */ );
+ tc0->state = TCP_STATE_CLOSED;
+ stream_session_disconnect_notify (&tc0->connection);
+ }
+
+ return rv;
+}
+
static clib_error_t *
tcp_test (vlib_main_t * vm,
unformat_input_t * input, vlib_cli_command_t * cmd_arg)
{
if (unformat (input, "sack"))
{
- res = tcp_test_sack ();
+ res = tcp_test_sack (vm, input);
}
else if (unformat (input, "fifo"))
{
res = tcp_test_fifo (vm, input);
}
- else
+ else if (unformat (input, "session"))
{
- return clib_error_return (0, "unknown input `%U'",
- format_unformat_error, input);
+ res = tcp_test_session (vm, input);
}
+ else
+ break;
}
if (res)
Code Review / vpp.git / blobdiff