return 0;
}
+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
-tcp_test_fifo (vlib_main_t * vm, unformat_input_t * input)
+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);
+ f = fifo_prepare (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, 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);
+ 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 odd segs: %U", format_svm_fifo, f, 1);
- /* Enqueue an initial (un-dequeued) chunk */
- rv = svm_fifo_enqueue_nowait (f, 0 /* pid */ ,
- sizeof (u32), (u8 *) test_data);
+ TCP_TEST ((f->tail == 8), "fifo tail %u", f->tail);
- if (rv != 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--)
{
- clib_warning ("enqueue returned %d", rv);
- goto out;
+ offset = (2 * i + 0) * sizeof (u32);
+ 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);
+
/*
- * Create 3 chunks in the future. The offsets are relative
- * to the current fifo tail
+ * Enqueue the missing u32
*/
- for (i = 0; i < 3; i++)
+ 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);
- vlib_cli_output (vm, "add offset %d", offset);
+ 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, 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);
- rv = svm_fifo_enqueue_with_offset
- (f, 0 /* pid */ , offset, sizeof (u32),
- (u8 *) (test_data + ((offset + sizeof (u32)) / sizeof (u32))));
+ /*
+ * 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);
+ 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 out;
+ goto err;
}
}
- /* Paint missing data backwards */
- for (i = 3; i > 0; i--)
+ rv = svm_fifo_enqueue_nowait (f, 29, data);
+ 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))
{
- offset = (2 * i + 0) * sizeof (u32);
+ TCP_TEST (0, "[%d] peeked %u expected %u", j, data_buf[j], data[j]);
+ }
- vlib_cli_output (vm, "add offset %d", offset);
+ vec_free (data_buf);
+ svm_fifo_free (f);
+ vec_free (test_data);
- rv = svm_fifo_enqueue_with_offset
- (f, 0 /* pid */ , offset, sizeof (u32),
- (u8 *) (test_data + ((offset + sizeof (u32)) / sizeof (u32))));
+ 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;
+ rv = svm_fifo_enqueue_with_offset (f, tp->offset, 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, tp->len,
+ (u8 *) & data64);
if (rv)
{
clib_warning ("enqueue returned %d", rv);
- goto out;
}
}
- vlib_cli_output (vm, "fifo before missing link: %U",
- format_svm_fifo, f, 1 /* verbose */ );
+ /* 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;
+}
- /* Enqueue the missing u32 */
- rv = svm_fifo_enqueue_nowait (f, 0 /* pid */ ,
- sizeof (u32), (u8 *) (test_data + 1));
- if (rv != 7 * sizeof (u32))
+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)
{
- clib_warning ("enqueue returned %d", rv);
- goto out;
+ 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;
+ }
}
- vlib_cli_output (vm, "fifo after missing link: %U",
- format_svm_fifo, f, 1 /* verbose */ );
+ 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;
+ }
- /* Collect results */
- for (i = 0; i < 7; i++)
+ /*
+ * 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)
{
- rv = svm_fifo_dequeue_nowait (f, 0 /* pid */ , sizeof (u32),
- (u8 *) & data_word);
- if (rv != sizeof (u32))
+ 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++)
{
- clib_warning ("dequeue returned %d", rv);
- goto out;
+ vlib_cli_output (vm, "[%d] offset %u len %u", i,
+ generate[i].offset, generate[i].len);
}
- if (data_word != test_data[i])
+ }
+
+ /* 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 = 0; i < vec_len (generate); i++)
+ {
+ tp = generate + i;
+ rv = svm_fifo_enqueue_with_offset (f, fifo_initial_offset
+ + tp->offset, tp->len,
+ (u8 *) data_pattern + tp->offset);
+ }
+
+ /*
+ * 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))
{
- clib_warning ("recovered data %d not %d", data_word, test_data[i]);
- goto out;
+ TCP_TEST (0, "[%d] dequeued %u expected %u", j, data_buf[j],
+ data_pattern[j]);
}
}
- clib_warning ("test complete...");
+ TCP_TEST ((svm_fifo_max_dequeue (f) == 0), "fifo has %d bytes",
+ svm_fifo_max_dequeue (f));
-out:
svm_fifo_free (f);
- vec_free (test_data);
+ vec_free (data_pattern);
+ vec_free (data_buf);
+
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);
+ }
+ 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);
+ }
+ }
+ return res;
+}
static clib_error_t *
tcp_test (vlib_main_t * vm,
Code Review / vpp.git / blobdiff