-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)
-{
- session_main_t *smm = &session_main;
- tcp_main_t *tm = &tcp_main;
- transport_connection_t _tc1, *tc1 = &_tc1, _tc2, *tc2 = &_tc2, *tconn;
- tcp_connection_t *tc;
- session_t *s, *s1;
- u8 cmp = 0, is_filtered = 0;
- u32 sidx;
-
- /*
- * Allocate fake session and connection 1
- */
- pool_get (smm->wrk[0].sessions, s);
- clib_memset (s, 0, sizeof (*s));
- s->session_index = sidx = s - smm->wrk[0].sessions;
-
- pool_get (tm->connections[0], tc);
- clib_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_fast (tc1, &tc->connection, sizeof (*tc1));
-
- /*
- * Allocate fake session and connection 2
- */
- pool_get (smm->wrk[0].sessions, s);
- clib_memset (s, 0, sizeof (*s));
- s->session_index = s - smm->wrk[0].sessions;
-
- pool_get (tm->connections[0], tc);
- clib_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_fast (tc2, &tc->connection, sizeof (*tc2));
-
- /*
- * Confirm that connection lookup works
- */
-
- s1 = pool_elt_at_index (smm->wrk[0].sessions, sidx);
- 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");