} \
}
+/* *INDENT-OFF* */
+scoreboard_trace_elt_t sb_trace[] = {};
+/* *INDENT-ON* */
+
+static int
+tcp_test_scoreboard_replay (vlib_main_t * vm, unformat_input_t * input)
+{
+ int verbose = 0;
+ tcp_connection_t _tc, *tc = &_tc;
+ u8 *s = 0;
+
+ while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (input, "detail"))
+ verbose = 1;
+ else
+ {
+ clib_error_t *e = clib_error_return
+ (0, "unknown input `%U'", format_unformat_error, input);
+ clib_error_report (e);
+ return -1;
+ }
+ }
+
+#if TCP_SCOREBOARD_TRACE
+ tc->sack_sb.trace = sb_trace;
+#endif
+ s = tcp_scoreboard_replay (s, tc, verbose);
+ vlib_cli_output (vm, "%v", s);
+ return 0;
+}
+
static int
-tcp_test_sack ()
+tcp_test_sack_rx (vlib_main_t * vm, unformat_input_t * input)
{
tcp_connection_t _tc, *tc = &_tc;
sack_scoreboard_t *sb = &tc->sack_sb;
sack_block_t *sacks = 0, block;
sack_scoreboard_hole_t *hole;
- int i;
+ int i, verbose = 0;
+
+ while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (input, "verbose"))
+ verbose = 1;
+ else if (unformat (input, "replay"))
+ return tcp_test_scoreboard_replay (vm, input);
+ }
memset (tc, 0, sizeof (*tc));
tc->snd_una = 0;
tc->snd_una_max = 1000;
tc->snd_nxt = 1000;
- tc->opt.flags |= TCP_OPTS_FLAG_SACK;
+ tc->rcv_opts.flags |= TCP_OPTS_FLAG_SACK;
scoreboard_init (&tc->sack_sb);
for (i = 0; i < 1000 / 100; i++)
for (i = 0; i < 1000 / 200; i++)
{
- vec_add1 (tc->opt.sacks, sacks[i * 2]);
+ vec_add1 (tc->rcv_opts.sacks, sacks[i * 2]);
}
- tc->opt.n_sack_blocks = vec_len (tc->opt.sacks);
+ tc->rcv_opts.n_sack_blocks = vec_len (tc->rcv_opts.sacks);
tcp_rcv_sacks (tc, 0);
+ if (verbose)
+ vlib_cli_output (vm, "sb after even blocks:\n%U", format_tcp_scoreboard,
+ sb);
+
TCP_TEST ((pool_elts (sb->holes) == 5),
"scoreboard has %d elements", pool_elts (sb->holes));
TCP_TEST ((sb->snd_una_adv == 0), "snd_una_adv %u", sb->snd_una_adv);
TCP_TEST ((sb->last_sacked_bytes == 400),
"last sacked bytes %d", sb->last_sacked_bytes);
-
+ TCP_TEST ((sb->high_sacked == 900), "max byte sacked %u", sb->high_sacked);
/*
* Inject odd blocks
*/
- vec_reset_length (tc->opt.sacks);
+ vec_reset_length (tc->rcv_opts.sacks);
for (i = 0; i < 1000 / 200; i++)
{
- vec_add1 (tc->opt.sacks, sacks[i * 2 + 1]);
+ vec_add1 (tc->rcv_opts.sacks, sacks[i * 2 + 1]);
}
- tc->opt.n_sack_blocks = vec_len (tc->opt.sacks);
+ tc->rcv_opts.n_sack_blocks = vec_len (tc->rcv_opts.sacks);
tcp_rcv_sacks (tc, 0);
+ if (verbose)
+ vlib_cli_output (vm, "sb after odd blocks:\n%U", format_tcp_scoreboard,
+ sb);
+
hole = scoreboard_first_hole (sb);
TCP_TEST ((pool_elts (sb->holes) == 1),
"scoreboard has %d holes", pool_elts (sb->holes));
"first hole start %u end %u", hole->start, hole->end);
TCP_TEST ((sb->sacked_bytes == 900), "sacked bytes %d", sb->sacked_bytes);
TCP_TEST ((sb->snd_una_adv == 0), "snd_una_adv %u", sb->snd_una_adv);
- TCP_TEST ((sb->max_byte_sacked == 1000),
- "max sacked byte %u", sb->max_byte_sacked);
+ TCP_TEST ((sb->high_sacked == 1000), "max sacked byte %u", sb->high_sacked);
TCP_TEST ((sb->last_sacked_bytes == 500),
"last sacked bytes %d", sb->last_sacked_bytes);
* Ack until byte 100, all bytes are now acked + sacked
*/
tcp_rcv_sacks (tc, 100);
+ if (verbose)
+ vlib_cli_output (vm, "ack until byte 100:\n%U", format_tcp_scoreboard,
+ sb);
TCP_TEST ((pool_elts (sb->holes) == 0),
"scoreboard has %d elements", pool_elts (sb->holes));
TCP_TEST ((sb->snd_una_adv == 900),
"snd_una_adv after ack %u", sb->snd_una_adv);
- TCP_TEST ((sb->max_byte_sacked == 1000),
- "max sacked byte %u", sb->max_byte_sacked);
+ TCP_TEST ((sb->high_sacked == 1000), "max sacked byte %u", sb->high_sacked);
TCP_TEST ((sb->sacked_bytes == 0), "sacked bytes %d", sb->sacked_bytes);
TCP_TEST ((sb->last_sacked_bytes == 0),
"last sacked bytes %d", sb->last_sacked_bytes);
* Add new block
*/
- vec_reset_length (tc->opt.sacks);
+ vec_reset_length (tc->rcv_opts.sacks);
block.start = 1200;
block.end = 1300;
- vec_add1 (tc->opt.sacks, block);
+ vec_add1 (tc->rcv_opts.sacks, block);
+ if (verbose)
+ vlib_cli_output (vm, "add [1200, 1300]:\n%U", format_tcp_scoreboard, sb);
tc->snd_una_max = 1500;
tc->snd_una = 1000;
tc->snd_nxt = 1500;
tcp_rcv_sacks (tc, 1000);
+ if (verbose)
+ vlib_cli_output (vm, "sb snd_una_max 1500, snd_una 1000:\n%U",
+ format_tcp_scoreboard, sb);
+
TCP_TEST ((sb->snd_una_adv == 0),
"snd_una_adv after ack %u", sb->snd_una_adv);
TCP_TEST ((pool_elts (sb->holes) == 2),
hole = scoreboard_first_hole (sb);
TCP_TEST ((hole->start == 1000 && hole->end == 1200),
"first hole start %u end %u", hole->start, hole->end);
+ TCP_TEST ((sb->snd_una_adv == 0),
+ "snd_una_adv after ack %u", sb->snd_una_adv);
+ TCP_TEST ((sb->high_sacked == 1300), "max sacked byte %u", sb->high_sacked);
hole = scoreboard_last_hole (sb);
TCP_TEST ((hole->start == 1300 && hole->end == 1500),
"last hole start %u end %u", hole->start, hole->end);
* Ack first hole
*/
- vec_reset_length (tc->opt.sacks);
+ vec_reset_length (tc->rcv_opts.sacks);
tcp_rcv_sacks (tc, 1200);
+ if (verbose)
+ vlib_cli_output (vm, "sb ack up to byte 1200:\n%U", format_tcp_scoreboard,
+ sb);
+
TCP_TEST ((sb->snd_una_adv == 100),
"snd_una_adv after ack %u", sb->snd_una_adv);
TCP_TEST ((sb->sacked_bytes == 0), "sacked bytes %d", sb->sacked_bytes);
TCP_TEST ((pool_elts (sb->holes) == 1),
"scoreboard has %d elements", pool_elts (sb->holes));
+ hole = scoreboard_first_hole (sb);
+ TCP_TEST ((hole->prev == TCP_INVALID_SACK_HOLE_INDEX
+ && hole->next == TCP_INVALID_SACK_HOLE_INDEX), "hole is valid");
+ TCP_TEST ((sb->last_bytes_delivered == 100), "last bytes delivered %d",
+ sb->last_bytes_delivered);
/*
- * Remove all
+ * Add some more blocks and then remove all
*/
+ vec_reset_length (tc->rcv_opts.sacks);
+ tc->snd_una += sb->snd_una_adv;
+ tc->snd_una_max = 1900;
+ for (i = 0; i < 5; i++)
+ {
+ block.start = i * 100 + 1200;
+ block.end = (i + 1) * 100 + 1200;
+ vec_add1 (tc->rcv_opts.sacks, block);
+ }
+ tcp_rcv_sacks (tc, 1900);
scoreboard_clear (sb);
+ if (verbose)
+ vlib_cli_output (vm, "sb cleared all:\n%U", format_tcp_scoreboard, sb);
+
TCP_TEST ((pool_elts (sb->holes) == 0),
"number of holes %d", pool_elts (sb->holes));
+ TCP_TEST ((sb->head == TCP_INVALID_SACK_HOLE_INDEX), "head %u", sb->head);
+ TCP_TEST ((sb->tail == TCP_INVALID_SACK_HOLE_INDEX), "tail %u", sb->tail);
+
+ /*
+ * Re-inject odd blocks and ack them all
+ */
+
+ tc->snd_una = 0;
+ tc->snd_una_max = 1000;
+ tc->snd_nxt = 1000;
+ for (i = 0; i < 5; i++)
+ {
+ vec_add1 (tc->rcv_opts.sacks, sacks[i * 2 + 1]);
+ }
+ tc->rcv_opts.n_sack_blocks = vec_len (tc->rcv_opts.sacks);
+ tcp_rcv_sacks (tc, 0);
+ if (verbose)
+ vlib_cli_output (vm, "sb added odd blocks and ack [0, 950]:\n%U",
+ format_tcp_scoreboard, sb);
+
+ tcp_rcv_sacks (tc, 950);
+
+ if (verbose)
+ vlib_cli_output (vm, "sb added odd blocks and ack [0, 950]:\n%U",
+ format_tcp_scoreboard, sb);
+
+ TCP_TEST ((pool_elts (sb->holes) == 0),
+ "scoreboard has %d elements", pool_elts (sb->holes));
+ TCP_TEST ((sb->snd_una_adv == 50), "snd_una_adv %u", sb->snd_una_adv);
+ TCP_TEST ((sb->sacked_bytes == 0), "sacked bytes %d", sb->sacked_bytes);
+ TCP_TEST ((sb->last_sacked_bytes == 0),
+ "last sacked bytes %d", sb->last_sacked_bytes);
+
+ /*
+ * Inject one block, ack it and overlap hole
+ */
+
+ tc->snd_una = 0;
+ tc->snd_una_max = 1000;
+ tc->snd_nxt = 1000;
+
+ block.start = 100;
+ block.end = 500;
+ vec_add1 (tc->rcv_opts.sacks, block);
+ tc->rcv_opts.n_sack_blocks = vec_len (tc->rcv_opts.sacks);
+
+ tcp_rcv_sacks (tc, 0);
+
+ if (verbose)
+ vlib_cli_output (vm, "sb added [100, 500]:\n%U",
+ format_tcp_scoreboard, sb);
+
+ tcp_rcv_sacks (tc, 800);
+
+ if (verbose)
+ vlib_cli_output (vm, "sb ack [0, 800]:\n%U", format_tcp_scoreboard, sb);
+
+ TCP_TEST ((pool_elts (sb->holes) == 1),
+ "scoreboard has %d elements", pool_elts (sb->holes));
+ TCP_TEST ((sb->snd_una_adv == 0), "snd_una_adv %u", sb->snd_una_adv);
+ TCP_TEST ((sb->sacked_bytes == 0), "sacked bytes %d", sb->sacked_bytes);
+ TCP_TEST ((sb->last_sacked_bytes == 0),
+ "last sacked bytes %d", sb->last_sacked_bytes);
+ TCP_TEST ((sb->last_bytes_delivered == 400),
+ "last bytes delivered %d", sb->last_bytes_delivered);
+
+ /*
+ * One hole close to head, patch head, split in two and start acking
+ * the lowest part
+ */
+ scoreboard_clear (sb);
+ tc->snd_una = 0;
+ tc->snd_una_max = 1000;
+ tc->snd_nxt = 1000;
+
+ block.start = 500;
+ block.end = 1000;
+ vec_add1 (tc->rcv_opts.sacks, block);
+ tc->rcv_opts.n_sack_blocks = vec_len (tc->rcv_opts.sacks);
+
+ tcp_rcv_sacks (tc, 0);
+ if (verbose)
+ vlib_cli_output (vm, "sb added [500, 1000]:\n%U",
+ format_tcp_scoreboard, sb);
+
+ vec_reset_length (tc->rcv_opts.sacks);
+ block.start = 300;
+ block.end = 400;
+ vec_add1 (tc->rcv_opts.sacks, block);
+ tc->rcv_opts.n_sack_blocks = vec_len (tc->rcv_opts.sacks);
+ tcp_rcv_sacks (tc, 100);
+ if (verbose)
+ vlib_cli_output (vm, "sb added [0, 100] [300, 400]:\n%U",
+ format_tcp_scoreboard, sb);
+ TCP_TEST ((pool_elts (sb->holes) == 2),
+ "scoreboard has %d elements", pool_elts (sb->holes));
+
+ tc->snd_una = 100;
+ tcp_rcv_sacks (tc, 200);
+ tcp_rcv_sacks (tc, 300);
+ if (verbose)
+ vlib_cli_output (vm, "sb added [0, 300]:\n%U", format_tcp_scoreboard, sb);
+ TCP_TEST ((sb->sacked_bytes == 500), "sacked bytes %d", sb->sacked_bytes);
+
return 0;
}
static int
-tcp_test_fifo (vlib_main_t * vm, unformat_input_t * input)
+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, expected;
+
+ 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);
+ if (verbose)
+ vlib_cli_output (vm, "add new segment [1100, 1200]\n%U",
+ format_tcp_sacks, tc);
+ expected = 5 < TCP_MAX_SACK_BLOCKS ? 6 : 5;
+ TCP_TEST ((vec_len (tc->snd_sacks) == expected),
+ "sack blocks %d expected %d", vec_len (tc->snd_sacks), expected);
+ 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);
+ 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);
+ 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);
+
+ 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);
+ TCP_TEST ((vec_len (tc->snd_sacks) == 0), "sack blocks %d expected %d",
+ vec_len (tc->snd_sacks), 0);
+
+
+ /*
+ * Add 2 blocks, overwrite first and update rcv_nxt to also remove it
+ */
+
+ vec_reset_length (tc->snd_sacks);
+ tc->rcv_nxt = 0;
+
+ tcp_update_sack_list (tc, 100, 200);
+ tcp_update_sack_list (tc, 300, 400);
+
+ if (verbose)
+ vlib_cli_output (vm, "add [100, 200] [300, 400]\n%U",
+ format_tcp_sacks, tc);
+ TCP_TEST ((vec_len (tc->snd_sacks) == 2),
+ "sack blocks %d expected %d", vec_len (tc->snd_sacks), 2);
+ TCP_TEST ((tc->snd_sacks[0].start == 300),
+ "first sack block start %u expected %u", tc->snd_sacks[0].start,
+ 300);
+
+ tc->rcv_nxt = 100;
+ tcp_update_sack_list (tc, 100, 100);
+ if (verbose)
+ vlib_cli_output (vm, "add [100, 200] rcv_nxt = 100\n%U",
+ format_tcp_sacks, tc);
+ TCP_TEST ((vec_len (tc->snd_sacks) == 1),
+ "sack blocks %d expected %d", vec_len (tc->snd_sacks), 1);
+ TCP_TEST ((tc->snd_sacks[0].start == 300),
+ "first sack block start %u expected %u", tc->snd_sacks[0].start,
+ 300);
+ 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 (vm, input))
+ {
+ return -1;
+ }
+ }
+ else
+ {
+ if (unformat (input, "tx"))
+ {
+ res = tcp_test_sack_tx (vm, input);
+ }
+ else if (unformat (input, "rx"))
+ {
+ res = tcp_test_sack_rx (vm, input);
+ }
+ }
+
+ return res;
+}
+
+
+typedef struct
+{
+ u32 offset;
+ u32 len;
+} test_pattern_t;
+
+/* *INDENT-OFF* */
+test_pattern_t test_pattern[] = {
+ {380, 8}, {768, 8}, {1156, 8}, {1544, 8}, {1932, 8}, {2320, 8}, {2708, 8},
+ {2992, 8}, {372, 8}, {760, 8}, {1148, 8}, {1536, 8}, {1924, 8}, {2312, 8},
+ {2700, 8}, {2984, 8}, {364, 8}, {752, 8}, {1140, 8}, {1528, 8}, {1916, 8},
+ {2304, 8}, {2692, 8}, {2976, 8}, {356, 8}, {744, 8}, {1132, 8}, {1520, 8},
+ {1908, 8}, {2296, 8}, {2684, 8}, {2968, 8}, {348, 8}, {736, 8}, {1124, 8},
+ {1512, 8}, {1900, 8}, {2288, 8}, {2676, 8}, {2960, 8}, {340, 8}, {728, 8},
+ {1116, 8}, {1504, 8}, {1892, 8}, {2280, 8}, {2668, 8}, {2952, 8}, {332, 8},
+ {720, 8}, {1108, 8}, {1496, 8}, {1884, 8}, {2272, 8}, {2660, 8}, {2944, 8},
+ {324, 8}, {712, 8}, {1100, 8}, {1488, 8}, {1876, 8}, {2264, 8}, {2652, 8},
+ {2936, 8}, {316, 8}, {704, 8}, {1092, 8}, {1480, 8}, {1868, 8}, {2256, 8},
+ {2644, 8}, {2928, 8}, {308, 8}, {696, 8}, {1084, 8}, {1472, 8}, {1860, 8},
+ {2248, 8}, {2636, 8}, {2920, 8}, {300, 8}, {688, 8}, {1076, 8}, {1464, 8},
+ {1852, 8}, {2240, 8}, {2628, 8}, {2912, 8}, {292, 8}, {680, 8}, {1068, 8},
+ {1456, 8}, {1844, 8}, {2232, 8}, {2620, 8}, {2904, 8}, {284, 8}, {672, 8},
+ {1060, 8}, {1448, 8}, {1836, 8}, {2224, 8}, {2612, 8}, {2896, 8}, {276, 8},
+ {664, 8}, {1052, 8}, {1440, 8}, {1828, 8}, {2216, 8}, {2604, 8}, {2888, 8},
+ {268, 8}, {656, 8}, {1044, 8}, {1432, 8}, {1820, 8}, {2208, 8}, {2596, 8},
+ {2880, 8}, {260, 8}, {648, 8}, {1036, 8}, {1424, 8}, {1812, 8}, {2200, 8},
+ {2588, 8}, {2872, 8}, {252, 8}, {640, 8}, {1028, 8}, {1416, 8}, {1804, 8},
+ {2192, 8}, {2580, 8}, {2864, 8}, {244, 8}, {632, 8}, {1020, 8}, {1408, 8},
+ {1796, 8}, {2184, 8}, {2572, 8}, {2856, 8}, {236, 8}, {624, 8}, {1012, 8},
+ {1400, 8}, {1788, 8}, {2176, 8}, {2564, 8}, {2848, 8}, {228, 8}, {616, 8},
+ {1004, 8}, {1392, 8}, {1780, 8}, {2168, 8}, {2556, 8}, {2840, 8}, {220, 8},
+ {608, 8}, {996, 8}, {1384, 8}, {1772, 8}, {2160, 8}, {2548, 8}, {2832, 8},
+ {212, 8}, {600, 8}, {988, 8}, {1376, 8}, {1764, 8}, {2152, 8}, {2540, 8},
+ {2824, 8}, {204, 8}, {592, 8}, {980, 8}, {1368, 8}, {1756, 8}, {2144, 8},
+ {2532, 8}, {2816, 8}, {196, 8}, {584, 8}, {972, 8}, {1360, 8}, {1748, 8},
+ {2136, 8}, {2524, 8}, {2808, 8}, {188, 8}, {576, 8}, {964, 8}, {1352, 8},
+ {1740, 8}, {2128, 8}, {2516, 8}, {2800, 8}, {180, 8}, {568, 8}, {956, 8},
+ {1344, 8}, {1732, 8}, {2120, 8}, {2508, 8}, {2792, 8}, {172, 8}, {560, 8},
+ {948, 8}, {1336, 8}, {1724, 8}, {2112, 8}, {2500, 8}, {2784, 8}, {164, 8},
+ {552, 8}, {940, 8}, {1328, 8}, {1716, 8}, {2104, 8}, {2492, 8}, {2776, 8},
+ {156, 8}, {544, 8}, {932, 8}, {1320, 8}, {1708, 8}, {2096, 8}, {2484, 8},
+ {2768, 8}, {148, 8}, {536, 8}, {924, 8}, {1312, 8}, {1700, 8}, {2088, 8},
+ {2476, 8}, {2760, 8}, {140, 8}, {528, 8}, {916, 8}, {1304, 8}, {1692, 8},
+ {2080, 8}, {2468, 8}, {2752, 8}, {132, 8}, {520, 8}, {908, 8}, {1296, 8},
+ {1684, 8}, {2072, 8}, {2460, 8}, {2744, 8}, {124, 8}, {512, 8}, {900, 8},
+ {1288, 8}, {1676, 8}, {2064, 8}, {2452, 8}, {2736, 8}, {116, 8}, {504, 8},
+ {892, 8}, {1280, 8}, {1668, 8}, {2056, 8}, {2444, 8}, {2728, 8}, {108, 8},
+ {496, 8}, {884, 8}, {1272, 8}, {1660, 8}, {2048, 8}, {2436, 8}, {2720, 8},
+ {100, 8}, {488, 8}, {876, 8}, {1264, 8}, {1652, 8}, {2040, 8}, {2428, 8},
+ {2716, 4}, {92, 8}, {480, 8}, {868, 8}, {1256, 8}, {1644, 8}, {2032, 8},
+ {2420, 8}, {84, 8}, {472, 8}, {860, 8}, {1248, 8}, {1636, 8}, {2024, 8},
+ {2412, 8}, {76, 8}, {464, 8}, {852, 8}, {1240, 8}, {1628, 8}, {2016, 8},
+ {2404, 8}, {68, 8}, {456, 8}, {844, 8}, {1232, 8}, {1620, 8}, {2008, 8},
+ {2396, 8}, {60, 8}, {448, 8}, {836, 8}, {1224, 8}, {1612, 8}, {2000, 8},
+ {2388, 8}, {52, 8}, {440, 8}, {828, 8}, {1216, 8}, {1604, 8}, {1992, 8},
+ {2380, 8}, {44, 8}, {432, 8}, {820, 8}, {1208, 8}, {1596, 8}, {1984, 8},
+ {2372, 8}, {36, 8}, {424, 8}, {812, 8}, {1200, 8}, {1588, 8}, {1976, 8},
+ {2364, 8}, {28, 8}, {416, 8}, {804, 8}, {1192, 8}, {1580, 8}, {1968, 8},
+ {2356, 8}, {20, 8}, {408, 8}, {796, 8}, {1184, 8}, {1572, 8}, {1960, 8},
+ {2348, 8}, {12, 8}, {400, 8}, {788, 8}, {1176, 8}, {1564, 8}, {1952, 8},
+ {2340, 8}, {4, 8}, {392, 8}, {780, 8}, {1168, 8}, {1556, 8}, {1944, 8},
+ {2332, 8},
+ /* missing from original data set */
+ {388, 4}, {776, 4}, {1164, 4}, {1552, 4}, {1940, 4}, {2328, 4},
+};
+/* *INDENT-ON* */
+
+int
+pattern_cmp (const void *arg1, const void *arg2)
+{
+ test_pattern_t *a1 = (test_pattern_t *) arg1;
+ test_pattern_t *a2 = (test_pattern_t *) arg2;
+
+ if (a1->offset < a2->offset)
+ return -1;
+ else if (a1->offset > a2->offset)
+ return 1;
+ return 0;
+}
+
+static u8
+fifo_validate_pattern (vlib_main_t * vm, test_pattern_t * pattern,
+ u32 pattern_length)
+{
+ test_pattern_t *tp = pattern;
+ int i;
+
+ /* Go through the pattern and make 100% sure it's sane */
+ for (i = 0; i < pattern_length - 1; i++)
+ {
+ if (tp->offset + tp->len != (tp + 1)->offset)
+ {
+ vlib_cli_output (vm, "[%d] missing {%d, %d}", i,
+ (tp->offset + tp->len),
+ (tp + 1)->offset - (tp->offset + tp->len));
+ return 0;
+ }
+ tp++;
+ }
+ return 1;
+}
+
+static test_pattern_t *
+fifo_get_validate_pattern (vlib_main_t * vm, test_pattern_t * test_data,
+ u32 test_data_len)
+{
+ test_pattern_t *validate_pattern = 0;
+
+ /* Validate, and try segments in order... */
+ vec_validate (validate_pattern, test_data_len - 1);
+ memcpy (validate_pattern, test_data,
+ test_data_len * sizeof (test_pattern_t));
+ qsort ((u8 *) validate_pattern, test_data_len, sizeof (test_pattern_t),
+ pattern_cmp);
+
+ if (fifo_validate_pattern (vm, validate_pattern, test_data_len) == 0)
+ return 0;
+
+ return validate_pattern;
+}
+
+static svm_fifo_t *
+fifo_prepare (u32 fifo_size)
+{
+ svm_fifo_t *f;
+ f = svm_fifo_create (fifo_size);
+
+ /* Paint fifo data vector with -1's */
+ memset (f->data, 0xFF, fifo_size);
+
+ return f;
+}
+
+static int
+compare_data (u8 * data1, u8 * data2, u32 start, u32 len, u32 * index)
+{
+ int i;
+
+ for (i = start; i < len; i++)
+ {
+ if (data1[i] != data2[i])
+ {
+ *index = i;
+ return 1;
+ }
+ }
+ return 0;
+}
+
+int
+tcp_test_fifo1 (vlib_main_t * vm, unformat_input_t * input)
{
svm_fifo_t *f;
u32 fifo_size = 1 << 20;
u32 *test_data = 0;
u32 offset;
- int i, rv;
- u32 data_word, test_data_len;
+ int i, rv, verbose = 0;
+ u32 data_word, test_data_len, j;
+ ooo_segment_t *ooo_seg;
+ u8 *data, *s, *data_buf = 0;
+
+ while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (input, "verbose"))
+ verbose = 1;
+ }
- /* $$$ parse args */
test_data_len = fifo_size / sizeof (u32);
vec_validate (test_data, test_data_len - 1);
for (i = 0; i < vec_len (test_data); i++)
test_data[i] = i;
- f = svm_fifo_create (fifo_size);
-
- /* Paint fifo data vector with -1's */
- memset (f->data, 0xFF, test_data_len);
-
- /* Enqueue an initial (un-dequeued) chunk */
- rv = svm_fifo_enqueue_nowait (f, 0 /* pid */ ,
- sizeof (u32), (u8 *) test_data);
+ f = fifo_prepare (fifo_size);
- if (rv != sizeof (u32))
- {
- clib_warning ("enqueue returned %d", rv);
- goto out;
- }
+ /*
+ * Enqueue an initial (un-dequeued) chunk
+ */
+ rv = svm_fifo_enqueue_nowait (f, sizeof (u32), (u8 *) test_data);
+ TCP_TEST ((rv == sizeof (u32)), "enqueued %d", rv);
+ TCP_TEST ((f->tail == 4), "fifo tail %u", f->tail);
/*
* Create 3 chunks in the future. The offsets are relative
*/
for (i = 0; i < 3; i++)
{
- offset = (2 * i + 1) * sizeof (u32);
- vlib_cli_output (vm, "add offset %d", offset);
-
- rv = svm_fifo_enqueue_with_offset
- (f, 0 /* pid */ , offset, sizeof (u32),
- (u8 *) (test_data + ((offset + sizeof (u32)) / sizeof (u32))));
-
+ offset = (2 * i + 1) * sizeof (u32) - f->tail;
+ data = (u8 *) (test_data + (2 * i + 1));
+ if (i == 0)
+ {
+ rv = svm_fifo_enqueue_nowait (f, sizeof (u32), data);
+ rv = rv > 0 ? 0 : rv;
+ }
+ else
+ rv = svm_fifo_enqueue_with_offset (f, offset, sizeof (u32), data);
+ if (verbose)
+ vlib_cli_output (vm, "add [%d] [%d, %d]", 2 * i + 1, offset,
+ offset + sizeof (u32));
if (rv)
{
clib_warning ("enqueue returned %d", rv);
- goto out;
+ goto err;
}
}
- /* Paint missing data backwards */
- for (i = 3; i > 0; i--)
+ if (verbose)
+ vlib_cli_output (vm, "fifo after odd segs: %U", format_svm_fifo, f, 1);
+
+ TCP_TEST ((f->tail == 8), "fifo tail %u", f->tail);
+ TCP_TEST ((svm_fifo_number_ooo_segments (f) == 2),
+ "number of ooo segments %u", svm_fifo_number_ooo_segments (f));
+
+ /*
+ * Try adding a completely overlapped segment
+ */
+ offset = 3 * sizeof (u32) - f->tail;
+ data = (u8 *) (test_data + 3);
+ rv = svm_fifo_enqueue_with_offset (f, offset, sizeof (u32), data);
+ if (rv)
{
- offset = (2 * i + 0) * sizeof (u32);
+ clib_warning ("enqueue returned %d", rv);
+ goto err;
+ }
+
+ if (verbose)
+ vlib_cli_output (vm, "fifo after overlap seg: %U", format_svm_fifo, f, 1);
- vlib_cli_output (vm, "add offset %d", offset);
+ TCP_TEST ((svm_fifo_number_ooo_segments (f) == 2),
+ "number of ooo segments %u", svm_fifo_number_ooo_segments (f));
- rv = svm_fifo_enqueue_with_offset
- (f, 0 /* pid */ , offset, sizeof (u32),
- (u8 *) (test_data + ((offset + sizeof (u32)) / sizeof (u32))));
+ /*
+ * Make sure format functions are not buggy
+ */
+ s = format (0, "%U", format_svm_fifo, f, 2);
+ vec_free (s);
+ /*
+ * Paint some of missing data backwards
+ */
+ for (i = 3; i > 1; i--)
+ {
+ offset = (2 * i + 0) * sizeof (u32) - f->tail;
+ data = (u8 *) (test_data + (2 * i + 0));
+ rv = svm_fifo_enqueue_with_offset (f, offset, sizeof (u32), data);
+ if (verbose)
+ vlib_cli_output (vm, "add [%d] [%d, %d]", 2 * i, offset,
+ offset + sizeof (u32));
if (rv)
{
clib_warning ("enqueue returned %d", rv);
- goto out;
+ goto err;
}
}
- vlib_cli_output (vm, "fifo before missing link: %U",
- format_svm_fifo, f, 1 /* verbose */ );
-
- /* Enqueue the missing u32 */
- rv = svm_fifo_enqueue_nowait (f, 0 /* pid */ ,
- sizeof (u32), (u8 *) (test_data + 1));
- if (rv != 7 * sizeof (u32))
- {
- clib_warning ("enqueue returned %d", rv);
- goto out;
- }
+ if (verbose)
+ vlib_cli_output (vm, "fifo before missing link: %U", format_svm_fifo, f,
+ 1);
+ TCP_TEST ((svm_fifo_number_ooo_segments (f) == 1),
+ "number of ooo segments %u", svm_fifo_number_ooo_segments (f));
+ ooo_seg = svm_fifo_first_ooo_segment (f);
+ TCP_TEST ((ooo_seg->start == 12),
+ "first ooo seg position %u", ooo_seg->start);
+ TCP_TEST ((ooo_seg->length == 16),
+ "first ooo seg length %u", ooo_seg->length);
- vlib_cli_output (vm, "fifo after missing link: %U",
- format_svm_fifo, f, 1 /* verbose */ );
+ /*
+ * Enqueue the missing u32
+ */
+ rv = svm_fifo_enqueue_nowait (f, sizeof (u32), (u8 *) (test_data + 2));
+ if (verbose)
+ vlib_cli_output (vm, "fifo after missing link: %U", format_svm_fifo, f,
+ 1);
+ TCP_TEST ((rv == 20), "bytes to be enqueued %u", rv);
+ TCP_TEST ((svm_fifo_number_ooo_segments (f) == 0),
+ "number of ooo segments %u", svm_fifo_number_ooo_segments (f));
- /* Collect results */
+ /*
+ * Collect results
+ */
for (i = 0; i < 7; i++)
{
- rv = svm_fifo_dequeue_nowait (f, 0 /* pid */ , sizeof (u32),
- (u8 *) & data_word);
+ rv = svm_fifo_dequeue_nowait (f, sizeof (u32), (u8 *) & data_word);
if (rv != sizeof (u32))
{
- clib_warning ("dequeue returned %d", rv);
- goto out;
+ clib_warning ("bytes dequeues %u", rv);
+ goto err;
}
if (data_word != test_data[i])
{
- clib_warning ("recovered data %d not %d", data_word, test_data[i]);
- goto out;
+ clib_warning ("recovered [%d] %d not %d", i, data_word,
+ test_data[i]);
+ goto err;
}
}
- clib_warning ("test complete...");
-
-out:
+ /*
+ * Test segment overlaps: last ooo segment overlaps all
+ */
svm_fifo_free (f);
- vec_free (test_data);
- return 0;
-}
+ f = fifo_prepare (fifo_size);
+ for (i = 0; i < 4; i++)
+ {
+ offset = (2 * i + 1) * sizeof (u32) - f->tail;
+ data = (u8 *) (test_data + (2 * i + 1));
+ rv = svm_fifo_enqueue_with_offset (f, offset, sizeof (u32), data);
+ if (verbose)
+ vlib_cli_output (vm, "add [%d] [%d, %d]", 2 * i + 1, offset,
+ offset + sizeof (u32));
+ if (rv)
+ {
+ clib_warning ("enqueue returned %d", rv);
+ goto err;
+ }
+ }
+ rv = svm_fifo_enqueue_with_offset (f, 8 - f->tail, 21, data);
+ TCP_TEST ((rv == 0), "ooo enqueued %u", rv);
+ TCP_TEST ((svm_fifo_number_ooo_segments (f) == 1),
+ "number of ooo segments %u", svm_fifo_number_ooo_segments (f));
-static clib_error_t *
-tcp_test (vlib_main_t * vm,
- unformat_input_t * input, vlib_cli_command_t * cmd_arg)
+ vec_validate (data_buf, vec_len (data));
+ svm_fifo_peek (f, 0, vec_len (data), data_buf);
+ if (compare_data (data_buf, data, 8, vec_len (data), &j))
+ {
+ TCP_TEST (0, "[%d] peeked %u expected %u", j, data_buf[j], data[j]);
+ }
+ vec_reset_length (data_buf);
+
+ /*
+ * Test segment overlaps: enqueue and overlap ooo segments
+ */
+ svm_fifo_free (f);
+ f = fifo_prepare (fifo_size);
+
+ for (i = 0; i < 4; i++)
+ {
+ offset = (2 * i + 1) * sizeof (u32) - f->tail;
+ data = (u8 *) (test_data + (2 * i + 1));
+ rv = svm_fifo_enqueue_with_offset (f, offset, sizeof (u32), data);
+ if (verbose)
+ vlib_cli_output (vm, "add [%d] [%d, %d]", 2 * i + 1, offset,
+ offset + sizeof (u32));
+ if (rv)
+ {
+ clib_warning ("enqueue returned %d", rv);
+ goto err;
+ }
+ }
+
+ if (verbose)
+ vlib_cli_output (vm, "fifo after enqueue: %U", format_svm_fifo, f, 1);
+
+ rv = svm_fifo_enqueue_nowait (f, 29, data);
+ if (verbose)
+ vlib_cli_output (vm, "fifo after enqueueing 29: %U", format_svm_fifo, f,
+ 1);
+ TCP_TEST ((rv == 32), "ooo enqueued %u", rv);
+ TCP_TEST ((svm_fifo_number_ooo_segments (f) == 0),
+ "number of ooo segments %u", svm_fifo_number_ooo_segments (f));
+
+ vec_validate (data_buf, vec_len (data));
+ svm_fifo_peek (f, 0, vec_len (data), data_buf);
+ if (compare_data (data_buf, data, 0, vec_len (data), &j))
+ {
+ TCP_TEST (0, "[%d] peeked %u expected %u", j, data_buf[j], data[j]);
+ }
+
+ /* Try to peek beyond the data */
+ rv = svm_fifo_peek (f, svm_fifo_max_dequeue (f), vec_len (data), data_buf);
+ TCP_TEST ((rv == 0), "peeked %u expected 0", rv);
+
+ vec_free (data_buf);
+ svm_fifo_free (f);
+ vec_free (test_data);
+
+ return 0;
+
+err:
+ svm_fifo_free (f);
+ vec_free (test_data);
+ return -1;
+}
+
+static int
+tcp_test_fifo2 (vlib_main_t * vm)
{
- int res = 0;
+ svm_fifo_t *f;
+ u32 fifo_size = 1 << 20;
+ int i, rv, test_data_len;
+ u64 data64;
+ test_pattern_t *tp, *vp, *test_data;
+ ooo_segment_t *ooo_seg;
+
+ test_data = test_pattern;
+ test_data_len = ARRAY_LEN (test_pattern);
+
+ vp = fifo_get_validate_pattern (vm, test_data, test_data_len);
+
+ /* Create a fifo */
+ f = fifo_prepare (fifo_size);
+
+ /*
+ * Try with sorted data
+ */
+ for (i = 0; i < test_data_len; i++)
+ {
+ tp = vp + i;
+ data64 = tp->offset;
+ svm_fifo_enqueue_with_offset (f, tp->offset - f->tail, tp->len,
+ (u8 *) & data64);
+ }
+
+ /* Expected result: one big fat chunk at offset 4 */
+ TCP_TEST ((svm_fifo_number_ooo_segments (f) == 1),
+ "number of ooo segments %u", svm_fifo_number_ooo_segments (f));
+ ooo_seg = svm_fifo_first_ooo_segment (f);
+ TCP_TEST ((ooo_seg->start == 4),
+ "first ooo seg position %u", ooo_seg->start);
+ TCP_TEST ((ooo_seg->length == 2996),
+ "first ooo seg length %u", ooo_seg->length);
+
+ data64 = 0;
+ rv = svm_fifo_enqueue_nowait (f, sizeof (u32), (u8 *) & data64);
+ TCP_TEST ((rv == 3000), "bytes to be enqueued %u", rv);
+
+ svm_fifo_free (f);
+ vec_free (vp);
+
+ /*
+ * Now try it again w/ unsorted data...
+ */
+
+ f = fifo_prepare (fifo_size);
+
+ for (i = 0; i < test_data_len; i++)
+ {
+ tp = &test_data[i];
+ data64 = tp->offset;
+ rv = svm_fifo_enqueue_with_offset (f, tp->offset - f->tail, tp->len,
+ (u8 *) & data64);
+ if (rv)
+ {
+ clib_warning ("enqueue returned %d", rv);
+ }
+ }
+
+ /* Expecting the same result: one big fat chunk at offset 4 */
+ TCP_TEST ((svm_fifo_number_ooo_segments (f) == 1),
+ "number of ooo segments %u", svm_fifo_number_ooo_segments (f));
+ ooo_seg = svm_fifo_first_ooo_segment (f);
+ TCP_TEST ((ooo_seg->start == 4),
+ "first ooo seg position %u", ooo_seg->start);
+ TCP_TEST ((ooo_seg->length == 2996),
+ "first ooo seg length %u", ooo_seg->length);
+
+ data64 = 0;
+ rv = svm_fifo_enqueue_nowait (f, sizeof (u32), (u8 *) & data64);
+
+ TCP_TEST ((rv == 3000), "bytes to be enqueued %u", rv);
+
+ svm_fifo_free (f);
+
+ return 0;
+}
+
+static int
+tcp_test_fifo3 (vlib_main_t * vm, unformat_input_t * input)
+{
+ svm_fifo_t *f;
+ u32 fifo_size = 4 << 10;
+ u32 fifo_initial_offset = 0;
+ u32 total_size = 2 << 10;
+ int overlap = 0, verbose = 0, randomize = 1, drop = 0, in_seq_all = 0;
+ u8 *data_pattern = 0, *data_buf = 0;
+ test_pattern_t *tp, *generate = 0;
+ u32 nsegs = 2, seg_size, length_so_far;
+ u32 current_offset, offset_increment, len_this_chunk;
+ u32 seed = 0xdeaddabe, j;
+ int i, rv;
while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
{
- if (unformat (input, "sack"))
+ if (unformat (input, "fifo-size %d", &fifo_size))
+ ;
+ else if (unformat (input, "total-size %d", &total_size))
+ ;
+ else if (unformat (input, "verbose"))
+ verbose = 1;
+ else if (unformat (input, "overlap"))
+ overlap = 1;
+ else if (unformat (input, "initial-offset %d", &fifo_initial_offset))
+ ;
+ else if (unformat (input, "seed %d", &seed))
+ ;
+ else if (unformat (input, "nsegs %d", &nsegs))
+ ;
+ else if (unformat (input, "no-randomize"))
+ randomize = 0;
+ else if (unformat (input, "in-seq-all"))
+ in_seq_all = 1;
+ else if (unformat (input, "drop"))
+ drop = 1;
+ else
{
- res = tcp_test_sack ();
+ clib_error_t *e = clib_error_return
+ (0, "unknown input `%U'", format_unformat_error, input);
+ clib_error_report (e);
+ return -1;
}
- else if (unformat (input, "fifo"))
+ }
+
+ if (total_size > fifo_size)
+ {
+ clib_warning ("total_size %d greater than fifo size %d", total_size,
+ fifo_size);
+ return -1;
+ }
+ if (overlap && randomize == 0)
+ {
+ clib_warning ("Can't enqueue in-order with overlap");
+ return -1;
+ }
+
+ /*
+ * Generate data
+ */
+ vec_validate (data_pattern, total_size - 1);
+ for (i = 0; i < vec_len (data_pattern); i++)
+ data_pattern[i] = i & 0xff;
+
+ /*
+ * Generate segments
+ */
+ seg_size = total_size / nsegs;
+ length_so_far = 0;
+ current_offset = randomize;
+ while (length_so_far < total_size)
+ {
+ vec_add2 (generate, tp, 1);
+ len_this_chunk = clib_min (seg_size, total_size - length_so_far);
+ tp->offset = current_offset;
+ tp->len = len_this_chunk;
+
+ if (overlap && (len_this_chunk == seg_size))
+ do
+ {
+ offset_increment = len_this_chunk
+ % (1 + (random_u32 (&seed) % len_this_chunk));
+ }
+ while (offset_increment == 0);
+ else
+ offset_increment = len_this_chunk;
+
+ current_offset += offset_increment;
+ length_so_far = tp->offset + tp->len;
+ }
+
+ /*
+ * Validate segment list. Only valid for non-overlap cases.
+ */
+ if (overlap == 0)
+ fifo_validate_pattern (vm, generate, vec_len (generate));
+
+ if (verbose)
+ {
+ vlib_cli_output (vm, "raw data pattern:");
+ for (i = 0; i < vec_len (generate); i++)
{
- res = tcp_test_fifo (vm, input);
+ vlib_cli_output (vm, "[%d] offset %u len %u", i,
+ generate[i].offset, generate[i].len);
+ }
+ }
+
+ /* Randomize data pattern */
+ if (randomize)
+ {
+ for (i = 0; i < vec_len (generate) / 2; i++)
+ {
+ u32 src_index, dst_index;
+ test_pattern_t _tmp, *tmp = &_tmp;
+
+ src_index = random_u32 (&seed) % vec_len (generate);
+ dst_index = random_u32 (&seed) % vec_len (generate);
+
+ tmp[0] = generate[dst_index];
+ generate[dst_index] = generate[src_index];
+ generate[src_index] = tmp[0];
+ }
+ if (verbose)
+ {
+ vlib_cli_output (vm, "randomized data pattern:");
+ for (i = 0; i < vec_len (generate); i++)
+ {
+ vlib_cli_output (vm, "[%d] offset %u len %u", i,
+ generate[i].offset, generate[i].len);
+ }
}
+ }
+
+ /*
+ * Create a fifo and add segments
+ */
+ f = fifo_prepare (fifo_size);
+
+ /* manually set head and tail pointers to validate modular arithmetic */
+ fifo_initial_offset = fifo_initial_offset % fifo_size;
+ f->head = fifo_initial_offset;
+ f->tail = fifo_initial_offset;
+
+ for (i = !randomize; i < vec_len (generate); i++)
+ {
+ tp = generate + i;
+ svm_fifo_enqueue_with_offset (f,
+ fifo_initial_offset + tp->offset -
+ f->tail, tp->len,
+ (u8 *) data_pattern + tp->offset);
+ }
+
+ /* Add the first segment in order for non random data */
+ if (!randomize)
+ svm_fifo_enqueue_nowait (f, generate[0].len, (u8 *) data_pattern);
+
+ /*
+ * Expected result: one big fat chunk at offset 1 if randomize == 1
+ */
+
+ if (verbose)
+ vlib_cli_output (vm, "fifo before missing link: %U",
+ format_svm_fifo, f, 1 /* verbose */ );
+
+ /*
+ * Add the missing byte if segments were randomized
+ */
+ if (randomize)
+ {
+ u32 bytes_to_enq = 1;
+ if (in_seq_all)
+ bytes_to_enq = total_size;
+ rv = svm_fifo_enqueue_nowait (f, bytes_to_enq, data_pattern + 0);
+
+ if (verbose)
+ vlib_cli_output (vm, "in-order enqueue returned %d", rv);
+
+ TCP_TEST ((rv == total_size), "enqueued %u expected %u", rv,
+ total_size);
+
+ }
+
+ TCP_TEST ((svm_fifo_has_ooo_data (f) == 0), "number of ooo segments %u",
+ svm_fifo_number_ooo_segments (f));
+
+ /*
+ * Test if peeked data is the same as original data
+ */
+ vec_validate (data_buf, vec_len (data_pattern));
+ svm_fifo_peek (f, 0, vec_len (data_pattern), data_buf);
+ if (compare_data (data_buf, data_pattern, 0, vec_len (data_pattern), &j))
+ {
+ TCP_TEST (0, "[%d] peeked %u expected %u", j, data_buf[j],
+ data_pattern[j]);
+ }
+ vec_reset_length (data_buf);
+
+ /*
+ * Dequeue or drop all data
+ */
+ if (drop)
+ {
+ svm_fifo_dequeue_drop (f, vec_len (data_pattern));
+ }
+ else
+ {
+ svm_fifo_dequeue_nowait (f, vec_len (data_pattern), data_buf);
+ if (compare_data
+ (data_buf, data_pattern, 0, vec_len (data_pattern), &j))
+ {
+ TCP_TEST (0, "[%d] dequeued %u expected %u", j, data_buf[j],
+ data_pattern[j]);
+ }
+ }
+
+ TCP_TEST ((svm_fifo_max_dequeue (f) == 0), "fifo has %d bytes",
+ svm_fifo_max_dequeue (f));
+
+ svm_fifo_free (f);
+ vec_free (data_pattern);
+ vec_free (data_buf);
+
+ return 0;
+}
+
+static int
+tcp_test_fifo4 (vlib_main_t * vm, unformat_input_t * input)
+{
+ svm_fifo_t *f;
+ u32 fifo_size = 6 << 10;
+ u32 fifo_initial_offset = 1000000000;
+ u32 test_n_bytes = 5000, j;
+ u8 *test_data = 0, *data_buf = 0;
+ int i, rv, verbose = 0;
+
+ while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (input, "verbose"))
+ verbose = 1;
else
{
- return clib_error_return (0, "unknown input `%U'",
- format_unformat_error, input);
+ clib_error_t *e = clib_error_return
+ (0, "unknown input `%U'", format_unformat_error, input);
+ clib_error_report (e);
+ return -1;
}
}
- if (res)
+ /*
+ * Create a fifo and add segments
+ */
+ f = fifo_prepare (fifo_size);
+
+ /* Set head and tail pointers */
+ fifo_initial_offset = fifo_initial_offset % fifo_size;
+ svm_fifo_init_pointers (f, fifo_initial_offset);
+
+ vec_validate (test_data, test_n_bytes - 1);
+ for (i = 0; i < vec_len (test_data); i++)
+ test_data[i] = i;
+
+ for (i = test_n_bytes - 1; i > 0; i--)
+ {
+ rv = svm_fifo_enqueue_with_offset (f, fifo_initial_offset + i - f->tail,
+ sizeof (u8), &test_data[i]);
+ if (verbose)
+ vlib_cli_output (vm, "add [%d] [%d, %d]", i, i, i + sizeof (u8));
+ if (rv)
+ {
+ clib_warning ("enqueue returned %d", rv);
+ svm_fifo_free (f);
+ vec_free (test_data);
+ return -1;
+ }
+ }
+
+ svm_fifo_enqueue_nowait (f, sizeof (u8), &test_data[0]);
+
+ vec_validate (data_buf, vec_len (test_data));
+
+ svm_fifo_dequeue_nowait (f, vec_len (test_data), data_buf);
+ rv = compare_data (data_buf, test_data, 0, vec_len (test_data), &j);
+ if (rv)
+ vlib_cli_output (vm, "[%d] dequeued %u expected %u", j, data_buf[j],
+ test_data[j]);
+ TCP_TEST ((rv == 0), "dequeued compared to original returned %d", rv);
+
+ svm_fifo_free (f);
+ vec_free (test_data);
+ return 0;
+}
+
+static u32
+fifo_pos (svm_fifo_t * f, u32 pos)
+{
+ return pos % f->nitems;
+}
+
+static int
+tcp_test_fifo5 (vlib_main_t * vm, unformat_input_t * input)
+{
+ svm_fifo_t *f;
+ u32 fifo_size = 400, j = 0, offset = 200;
+ int i, rv, verbose = 0;
+ u8 *test_data = 0, *data_buf = 0;
+ ooo_segment_t *ooo_seg;
+
+ while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (input, "verbose"))
+ verbose = 1;
+ else
+ {
+ clib_error_t *e = clib_error_return
+ (0, "unknown input `%U'", format_unformat_error, input);
+ clib_error_report (e);
+ return -1;
+ }
+ }
+
+ f = fifo_prepare (fifo_size);
+ svm_fifo_init_pointers (f, offset);
+
+ vec_validate (test_data, 399);
+ for (i = 0; i < vec_len (test_data); i++)
+ test_data[i] = i % 0xff;
+
+ /*
+ * Start with [100, 200] and [300, 400]
+ */
+ svm_fifo_enqueue_with_offset (f, 100, 100, &test_data[100]);
+ svm_fifo_enqueue_with_offset (f, 300, 100, &test_data[300]);
+
+ TCP_TEST ((svm_fifo_number_ooo_segments (f) == 2),
+ "number of ooo segments %u", svm_fifo_number_ooo_segments (f));
+ TCP_TEST ((f->ooos_newest == 1), "newest %u", f->ooos_newest);
+ if (verbose)
+ vlib_cli_output (vm, "fifo after [100, 200] and [300, 400] : %U",
+ format_svm_fifo, f, 2 /* verbose */ );
+
+ /*
+ * Add [225, 275]
+ */
+
+ rv = svm_fifo_enqueue_with_offset (f, 225, 50, &test_data[200]);
+ if (verbose)
+ vlib_cli_output (vm, "fifo after [225, 275] : %U",
+ format_svm_fifo, f, 2 /* verbose */ );
+ TCP_TEST ((svm_fifo_number_ooo_segments (f) == 3),
+ "number of ooo segments %u", svm_fifo_number_ooo_segments (f));
+ ooo_seg = svm_fifo_first_ooo_segment (f);
+ TCP_TEST ((ooo_seg->start == fifo_pos (f, 100 + offset)),
+ "first seg start %u expected %u", ooo_seg->start,
+ fifo_pos (f, 100 + offset));
+ TCP_TEST ((ooo_seg->length == 100), "first seg length %u expected %u",
+ ooo_seg->length, 100);
+ ooo_seg = ooo_segment_next (f, ooo_seg);
+ TCP_TEST ((ooo_seg->start == fifo_pos (f, 225 + offset)),
+ "second seg start %u expected %u",
+ ooo_seg->start, fifo_pos (f, 225 + offset));
+ TCP_TEST ((ooo_seg->length == 50), "second seg length %u expected %u",
+ ooo_seg->length, 50);
+ ooo_seg = ooo_segment_next (f, ooo_seg);
+ TCP_TEST ((ooo_seg->start == fifo_pos (f, 300 + offset)),
+ "third seg start %u expected %u",
+ ooo_seg->start, fifo_pos (f, 300 + offset));
+ TCP_TEST ((ooo_seg->length == 100), "third seg length %u expected %u",
+ ooo_seg->length, 100);
+ TCP_TEST ((f->ooos_newest == 2), "newest %u", f->ooos_newest);
+ /*
+ * Add [190, 310]
+ */
+ rv = svm_fifo_enqueue_with_offset (f, 190, 120, &test_data[190]);
+ if (verbose)
+ vlib_cli_output (vm, "fifo after [190, 310] : %U",
+ format_svm_fifo, f, 1 /* verbose */ );
+ TCP_TEST ((svm_fifo_number_ooo_segments (f) == 1),
+ "number of ooo segments %u", svm_fifo_number_ooo_segments (f));
+ ooo_seg = svm_fifo_first_ooo_segment (f);
+ TCP_TEST ((ooo_seg->start == fifo_pos (f, offset + 100)),
+ "first seg start %u expected %u",
+ ooo_seg->start, fifo_pos (f, offset + 100));
+ TCP_TEST ((ooo_seg->length == 300), "first seg length %u expected %u",
+ ooo_seg->length, 300);
+
+ /*
+ * Add [0, 150]
+ */
+ rv = svm_fifo_enqueue_nowait (f, 150, test_data);
+
+ if (verbose)
+ vlib_cli_output (vm, "fifo after [0 150] : %U", format_svm_fifo, f,
+ 2 /* verbose */ );
+
+ TCP_TEST ((rv == 400), "managed to enqueue %u expected %u", rv, 400);
+ TCP_TEST ((svm_fifo_number_ooo_segments (f) == 0),
+ "number of ooo segments %u", svm_fifo_number_ooo_segments (f));
+
+ vec_validate (data_buf, 399);
+ svm_fifo_peek (f, 0, 400, data_buf);
+ if (compare_data (data_buf, test_data, 0, 400, &j))
+ {
+ TCP_TEST (0, "[%d] peeked %u expected %u", j, data_buf[j],
+ test_data[j]);
+ }
+
+ /*
+ * Add [100 200] and overlap it with [50 250]
+ */
+ svm_fifo_free (f);
+ f = fifo_prepare (fifo_size);
+
+ svm_fifo_enqueue_with_offset (f, 100, 100, &test_data[100]);
+ svm_fifo_enqueue_with_offset (f, 50, 200, &test_data[50]);
+ TCP_TEST ((svm_fifo_number_ooo_segments (f) == 1),
+ "number of ooo segments %u", svm_fifo_number_ooo_segments (f));
+ ooo_seg = svm_fifo_first_ooo_segment (f);
+ TCP_TEST ((ooo_seg->start == 50), "first seg start %u expected %u",
+ ooo_seg->start, 50);
+ TCP_TEST ((ooo_seg->length == 200), "first seg length %u expected %u",
+ ooo_seg->length, 200);
+
+ svm_fifo_free (f);
+ vec_free (test_data);
+ return 0;
+}
+
+/* *INDENT-OFF* */
+svm_fifo_trace_elem_t fifo_trace[] = {};
+/* *INDENT-ON* */
+
+static int
+tcp_test_fifo_replay (vlib_main_t * vm, unformat_input_t * input)
+{
+ svm_fifo_t f;
+ int verbose = 0;
+ u8 no_read = 0, *str = 0;
+
+ while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (input, "verbose"))
+ verbose = 1;
+ else if (unformat (input, "no-read"))
+ no_read = 1;
+ else
+ {
+ clib_error_t *e = clib_error_return
+ (0, "unknown input `%U'", format_unformat_error, input);
+ clib_error_report (e);
+ return -1;
+ }
+ }
+
+#if SVMF_FIFO_TRACE
+ f.trace = fifo_trace;
+#endif
+
+ str = svm_fifo_replay (str, &f, no_read, verbose);
+ vlib_cli_output (vm, "%v", str);
+ return 0;
+}
+
+static int
+tcp_test_fifo (vlib_main_t * vm, unformat_input_t * input)
+{
+ int res = 0;
+ char *str;
+
+ /* Run all tests */
+ if (unformat_check_input (input) == UNFORMAT_END_OF_INPUT)
+ {
+ res = tcp_test_fifo1 (vm, input);
+ if (res)
+ return res;
+
+ res = tcp_test_fifo2 (vm);
+ if (res)
+ return res;
+
+ /*
+ * Run a number of fifo3 configs
+ */
+ str = "nsegs 10 overlap seed 123";
+ unformat_init_cstring (input, str);
+ if (tcp_test_fifo3 (vm, input))
+ return -1;
+ unformat_free (input);
+
+ str = "nsegs 10 overlap seed 123 in-seq-all";
+ unformat_init_cstring (input, str);
+ if (tcp_test_fifo3 (vm, input))
+ return -1;
+ unformat_free (input);
+
+ str = "nsegs 10 overlap seed 123 initial-offset 3917";
+ unformat_init_cstring (input, str);
+ if (tcp_test_fifo3 (vm, input))
+ return -1;
+ unformat_free (input);
+
+ str = "nsegs 10 overlap seed 123 initial-offset 3917 drop";
+ unformat_init_cstring (input, str);
+ if (tcp_test_fifo3 (vm, input))
+ return -1;
+ unformat_free (input);
+
+ str = "nsegs 10 seed 123 initial-offset 3917 drop no-randomize";
+ unformat_init_cstring (input, str);
+ if (tcp_test_fifo3 (vm, input))
+ return -1;
+ unformat_free (input);
+
+ res = tcp_test_fifo4 (vm, input);
+ if (res)
+ return res;
+
+ res = tcp_test_fifo5 (vm, input);
+ if (res)
+ return res;
+ }
+ else
+ {
+ if (unformat (input, "fifo3"))
+ {
+ res = tcp_test_fifo3 (vm, input);
+ }
+ else if (unformat (input, "fifo2"))
+ {
+ res = tcp_test_fifo2 (vm);
+ }
+ else if (unformat (input, "fifo1"))
+ {
+ res = tcp_test_fifo1 (vm, input);
+ }
+ else if (unformat (input, "fifo4"))
+ {
+ res = tcp_test_fifo4 (vm, input);
+ }
+ else if (unformat (input, "fifo5"))
+ {
+ res = tcp_test_fifo5 (vm, input);
+ }
+ else if (unformat (input, "replay"))
+ {
+ res = tcp_test_fifo_replay (vm, input);
+ }
+ }
+
+ return res;
+}
+
+static int
+tcp_test_lookup (vlib_main_t * vm, unformat_input_t * input)
+{
+ session_manager_main_t *smm = &session_manager_main;
+ tcp_main_t *tm = &tcp_main;
+ transport_connection_t _tc1, *tc1 = &_tc1, _tc2, *tc2 = &_tc2, *tconn;
+ tcp_connection_t *tc;
+ stream_session_t *s, *s1;
+ u8 cmp = 0, is_filtered = 0;
+
+ /*
+ * Allocate fake session and connection 1
+ */
+ pool_get (smm->sessions[0], s);
+ memset (s, 0, sizeof (*s));
+ s->session_index = s - smm->sessions[0];
+
+ pool_get (tm->connections[0], tc);
+ memset (tc, 0, sizeof (*tc));
+ tc->connection.c_index = tc - tm->connections[0];
+ tc->connection.s_index = s->session_index;
+ s->connection_index = tc->connection.c_index;
+
+ tc->connection.lcl_ip.ip4.as_u32 = clib_host_to_net_u32 (0x06000101);
+ tc->connection.rmt_ip.ip4.as_u32 = clib_host_to_net_u32 (0x06000103);
+ tc->connection.lcl_port = 35051;
+ tc->connection.rmt_port = 53764;
+ tc->connection.proto = TRANSPORT_PROTO_TCP;
+ tc->connection.is_ip4 = 1;
+ clib_memcpy (tc1, &tc->connection, sizeof (*tc1));
+ s1 = s;
+
+ /*
+ * Allocate fake session and connection 2
+ */
+ pool_get (session_manager_main.sessions[0], s);
+ memset (s, 0, sizeof (*s));
+ s->session_index = s - smm->sessions[0];
+
+ pool_get (tm->connections[0], tc);
+ memset (tc, 0, sizeof (*tc));
+ tc->connection.c_index = tc - tm->connections[0];
+ tc->connection.s_index = s->session_index;
+ s->connection_index = tc->connection.c_index;
+
+ tc->connection.lcl_ip.ip4.as_u32 = clib_host_to_net_u32 (0x06000101);
+ tc->connection.rmt_ip.ip4.as_u32 = clib_host_to_net_u32 (0x06000102);
+ tc->connection.lcl_port = 38225;
+ tc->connection.rmt_port = 53764;
+ tc->connection.proto = TRANSPORT_PROTO_TCP;
+ tc->connection.is_ip4 = 1;
+ clib_memcpy (tc2, &tc->connection, sizeof (*tc2));
+
+ /*
+ * Confirm that connection lookup works
+ */
+
+ session_lookup_add_connection (tc1, session_handle (s1));
+ tconn = session_lookup_connection_wt4 (0, &tc1->lcl_ip.ip4,
+ &tc1->rmt_ip.ip4,
+ tc1->lcl_port, tc1->rmt_port,
+ tc1->proto, 0, &is_filtered);
+
+ TCP_TEST ((tconn != 0), "connection exists");
+ cmp = (memcmp (&tconn->rmt_ip, &tc1->rmt_ip, sizeof (tc1->rmt_ip)) == 0);
+ TCP_TEST ((cmp), "rmt ip is identical %d", cmp);
+ TCP_TEST ((tconn->lcl_port == tc1->lcl_port),
+ "rmt port is identical %d", tconn->lcl_port == tc1->lcl_port);
+
+ /*
+ * Non-existing connection lookup should not work
+ */
+
+ tconn = session_lookup_connection_wt4 (0, &tc2->lcl_ip.ip4,
+ &tc2->rmt_ip.ip4,
+ tc2->lcl_port, tc2->rmt_port,
+ tc2->proto, 0, &is_filtered);
+ TCP_TEST ((tconn == 0), "lookup result should be null");
+
+ /*
+ * Delete and lookup again
+ */
+ session_lookup_del_connection (tc1);
+ tconn = session_lookup_connection_wt4 (0, &tc1->lcl_ip.ip4,
+ &tc1->rmt_ip.ip4,
+ tc1->lcl_port, tc1->rmt_port,
+ tc1->proto, 0, &is_filtered);
+ TCP_TEST ((tconn == 0), "lookup result should be null");
+ tconn = session_lookup_connection_wt4 (0, &tc2->lcl_ip.ip4,
+ &tc2->rmt_ip.ip4,
+ tc2->lcl_port, tc2->rmt_port,
+ tc2->proto, 0, &is_filtered);
+ TCP_TEST ((tconn == 0), "lookup result should be null");
+
+ /*
+ * Re-add and lookup tc2
+ */
+ session_lookup_add_connection (tc1, tc1->s_index);
+ tconn = session_lookup_connection_wt4 (0, &tc2->lcl_ip.ip4,
+ &tc2->rmt_ip.ip4,
+ tc2->lcl_port, tc2->rmt_port,
+ tc2->proto, 0, &is_filtered);
+ TCP_TEST ((tconn == 0), "lookup result should be null");
+
+ return 0;
+}
+
+static int
+tcp_test_session (vlib_main_t * vm, unformat_input_t * input)
+{
+ int rv = 0;
+ tcp_connection_t *tc0;
+ 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)
{
- return clib_error_return (0, "TCP unit test failed");
+ 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->rcv_opts.mss = 1450;
+ tcp_connection_init_vars (tc0);
+
+ TCP_EVT_DBG (TCP_EVT_OPEN, tc0);
+
+ if (stream_session_accept (&tc0->connection, 0 /* listener index */ ,
+ 0 /* notify */ ))
+ clib_warning ("stream_session_accept failed");
+
+ stream_session_accept_notify (&tc0->connection);
}
else
{
- return 0;
+ 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)
+{
+ int res = 0;
+
+ while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (input, "sack"))
+ {
+ res = tcp_test_sack (vm, input);
+ }
+ else if (unformat (input, "fifo"))
+ {
+ res = tcp_test_fifo (vm, input);
+ }
+ else if (unformat (input, "session"))
+ {
+ res = tcp_test_session (vm, input);
+ }
+ else if (unformat (input, "lookup"))
+ {
+ res = tcp_test_lookup (vm, input);
+ }
+ else if (unformat (input, "all"))
+ {
+ if ((res = tcp_test_sack (vm, input)))
+ goto done;
+ if ((res = tcp_test_fifo (vm, input)))
+ goto done;
+ if ((res = tcp_test_lookup (vm, input)))
+ goto done;
+ }
+ else
+ break;
+ }
+
+done:
+ if (res)
+ return clib_error_return (0, "TCP unit test failed");
+ return 0;
}
/* *INDENT-OFF* */
Code Review / vpp.git / blobdiff