diff options
Diffstat (limited to 'src/plugins/unittest/tcp_test.c')
| -rw-r--r-- | src/plugins/unittest/tcp_test.c | 1161 |
1 files changed, 1 insertions, 1160 deletions
diff --git a/src/plugins/unittest/tcp_test.c b/src/plugins/unittest/tcp_test.c index 7a81469307d..d7b80e17891 100644 --- a/src/plugins/unittest/tcp_test.c +++ b/src/plugins/unittest/tcp_test.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2017 Cisco and/or its affiliates. + * Copyright (c) 2017-2019 Cisco and/or its affiliates. * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at: @@ -611,1159 +611,6 @@ tcp_test_sack (vlib_main_t * vm, unformat_input_t * 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 */ - clib_memset (f->head_chunk->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, 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; - } - - 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 = fifo_prepare (fifo_size); - - /* - * 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 - * to the current fifo tail - */ - for (i = 0; i < 3; i++) - { - 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 err; - } - } - - 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) - { - clib_warning ("enqueue returned %d", rv); - goto err; - } - - if (verbose) - vlib_cli_output (vm, "fifo after overlap seg: %U", format_svm_fifo, f, 1); - - TCP_TEST ((svm_fifo_number_ooo_segments (f) == 2), - "number of ooo segments %u", svm_fifo_number_ooo_segments (f)); - - /* - * 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 err; - } - } - - 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); - - /* - * 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 - */ - for (i = 0; i < 7; i++) - { - rv = svm_fifo_dequeue_nowait (f, sizeof (u32), (u8 *) & data_word); - if (rv != sizeof (u32)) - { - clib_warning ("bytes dequeues %u", rv); - goto err; - } - if (data_word != test_data[i]) - { - clib_warning ("recovered [%d] %d not %d", i, data_word, - test_data[i]); - goto err; - } - } - - /* - * Test segment overlaps: last ooo segment overlaps all - */ - 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; - } - } - - 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)); - - 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) -{ - 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, "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 - { - clib_error_t *e = clib_error_return - (0, "unknown input `%U'", format_unformat_error, input); - clib_error_report (e); - return -1; - } - } - - 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++) - { - 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; - svm_fifo_init_pointers (f, 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 - { - clib_error_t *e = clib_error_return - (0, "unknown input `%U'", format_unformat_error, input); - clib_error_report (e); - return -1; - } - } - - /* - * 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; -} - -static int -tcp_test_fifo5 (vlib_main_t * vm, unformat_input_t * input) -{ - svm_fifo_t *f; - u32 fifo_size = 401, 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; -} - -static int -tcp_test_fifo_grow (vlib_main_t * vm, unformat_input_t * input) -{ - int __clib_unused verbose, fifo_size = 201, start_offset = 100, i; - svm_fifo_chunk_t *c, *next, *prev; - svm_fifo_t *f; - u8 *buf = 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; - } - } - - f = fifo_prepare (fifo_size); - svm_fifo_init_pointers (f, start_offset); - - /* - * Add with fifo not wrapped - */ - c = clib_mem_alloc (sizeof (svm_fifo_chunk_t) + 100); - c->length = 100; - c->start_byte = ~0; - c->next = 0; - - svm_fifo_add_chunk (f, c); - - TCP_TEST (f->size == fifo_size + 100, "size expected %u is %u", - fifo_size + 100, f->size); - TCP_TEST (c->start_byte == fifo_size, "start byte expected %u is %u", - fifo_size, c->start_byte); - - /* - * Add with fifo wrapped - */ - - f->tail = f->head + f->nitems; - c = clib_mem_alloc (sizeof (svm_fifo_chunk_t) + 100); - c->length = 100; - c->start_byte = ~0; - c->next = 0; - - svm_fifo_add_chunk (f, c); - - TCP_TEST (f->end_chunk != c, "tail chunk should not be updated"); - TCP_TEST (f->size == fifo_size + 100, "size expected %u is %u", - fifo_size + 100, f->size); - TCP_TEST (c->start_byte == ~0, "start byte expected %u is %u", ~0, - c->start_byte); - - /* - * Unwrap fifo - */ - vec_validate (buf, 200); - svm_fifo_dequeue_nowait (f, 201, buf); - - TCP_TEST (f->end_chunk == c, "tail chunk should be updated"); - TCP_TEST (f->size == fifo_size + 200, "size expected %u is %u", - fifo_size + 200, f->size); - TCP_TEST (c->start_byte == fifo_size + 100, "start byte expected %u is " - "%u", fifo_size + 100, c->start_byte); - - /* - * Add N chunks - */ - - f->head = f->nitems - 100; - f->tail = f->head + f->nitems; - - prev = 0; - for (i = 0; i < 5; i++) - { - c = clib_mem_alloc (sizeof (svm_fifo_chunk_t) + 100); - c->length = 100; - c->start_byte = ~0; - c->next = prev; - prev = c; - } - - svm_fifo_add_chunk (f, c); - TCP_TEST (f->size == fifo_size + 200, "size expected %u is %u", - fifo_size + 200, f->size); - - prev = 0; - for (i = 0; i < 5; i++) - { - c = clib_mem_alloc (sizeof (svm_fifo_chunk_t) + 100); - c->length = 100; - c->start_byte = ~0; - c->next = prev; - prev = c; - } - - svm_fifo_add_chunk (f, c); - TCP_TEST (f->size == fifo_size + 200, "size expected %u is %u", - fifo_size + 200, f->size); - - svm_fifo_dequeue_nowait (f, 201, buf); - - TCP_TEST (f->size == fifo_size + 200 + 10 * 100, "size expected %u is %u", - fifo_size + 200 + 10 * 100, f->size); - - /* - * Cleanup - */ - c = f->start_chunk->next; - while (c && c != f->start_chunk) - { - next = c->next; - clib_mem_free (c); - c = next; - } - - svm_fifo_free (f); - - vec_free (buf); - 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; - - res = tcp_test_fifo_grow (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); - } - else if (unformat (input, "grow")) - { - res = tcp_test_fifo_grow (vm, input); - } - } - - return res; -} - static int tcp_test_lookup (vlib_main_t * vm, unformat_input_t * input) { @@ -1945,10 +792,6 @@ tcp_test (vlib_main_t * vm, { 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); @@ -1961,8 +804,6 @@ tcp_test (vlib_main_t * vm, { 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; } |