diff options
Diffstat (limited to 'src/plugins/unittest/svm_fifo_test.c')
| -rw-r--r-- | src/plugins/unittest/svm_fifo_test.c | 1523 |
1 files changed, 724 insertions, 799 deletions
diff --git a/src/plugins/unittest/svm_fifo_test.c b/src/plugins/unittest/svm_fifo_test.c index 8b43ee370f1..8579cec15b4 100644 --- a/src/plugins/unittest/svm_fifo_test.c +++ b/src/plugins/unittest/svm_fifo_test.c @@ -158,18 +158,54 @@ fifo_get_validate_pattern (vlib_main_t * vm, test_pattern_t * test_data, return validate_pattern; } +static fifo_segment_t * +fifo_segment_prepare (fifo_segment_main_t * sm, char *seg_name, u32 seg_size) +{ + fifo_segment_create_args_t _a, *a = &_a; + + clib_memset (a, 0, sizeof (*a)); + a->segment_name = seg_name; + a->segment_size = seg_size ? seg_size : 32 << 20; + + if (fifo_segment_create (sm, a)) + return 0; + + return fifo_segment_get_segment (sm, a->new_segment_indices[0]); +} + +static void +ft_fifo_segment_free (fifo_segment_main_t * sm, fifo_segment_t * fs) +{ + fifo_segment_delete (sm, fs); +} + static svm_fifo_t * -fifo_prepare (u32 fifo_size) +fifo_segment_alloc_fifo (fifo_segment_t * fs, u32 data_bytes, + fifo_segment_ftype_t ftype) +{ + return fifo_segment_alloc_fifo_w_slice (fs, 0, data_bytes, ftype); +} + +static svm_fifo_t * +fifo_prepare (fifo_segment_t * fs, u32 fifo_size) { svm_fifo_t *f; - f = svm_fifo_create (fifo_size); + + f = fifo_segment_alloc_fifo (fs, fifo_size, FIFO_SEGMENT_RX_FIFO); /* Paint fifo data vector with -1's */ - clib_memset (f->head_chunk->data, 0xFF, fifo_size); + clib_memset (svm_fifo_head_chunk (f)->data, 0xFF, fifo_size); + svm_fifo_init_ooo_lookup (f, 1 /* deq ooo */ ); return f; } +static void +ft_fifo_free (fifo_segment_t * fs, svm_fifo_t * f) +{ + fifo_segment_free_fifo (fs, f); +} + static int compare_data (u8 * data1, u8 * data2, u32 start, u32 len, u32 * index) { @@ -189,14 +225,14 @@ compare_data (u8 * data1, u8 * data2, u32 start, u32 len, u32 * index) int sfifo_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; + u32 fifo_size = 1 << 20, *test_data = 0, offset, data_word, test_data_len; + fifo_segment_main_t _fsm = { 0 }, *fsm = &_fsm; + u8 *data, *s, *data_buf = 0; int i, rv, verbose = 0; - u32 data_word, test_data_len, j; ooo_segment_t *ooo_seg; - u8 *data, *s, *data_buf = 0; + fifo_segment_t *fs; + svm_fifo_t *f; + u32 j; while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) { @@ -210,7 +246,8 @@ sfifo_test_fifo1 (vlib_main_t * vm, unformat_input_t * input) for (i = 0; i < vec_len (test_data); i++) test_data[i] = i; - f = fifo_prepare (fifo_size); + fs = fifo_segment_prepare (fsm, "fifo-test1", 0); + f = fifo_prepare (fs, fifo_size); /* * Enqueue an initial (un-dequeued) chunk @@ -337,8 +374,8 @@ sfifo_test_fifo1 (vlib_main_t * vm, unformat_input_t * input) /* * Test segment overlaps: last ooo segment overlaps all */ - svm_fifo_free (f); - f = fifo_prepare (fifo_size); + ft_fifo_free (fs, f); + f = fifo_prepare (fs, fifo_size); for (i = 0; i < 4; i++) { @@ -378,8 +415,8 @@ sfifo_test_fifo1 (vlib_main_t * vm, unformat_input_t * input) /* * Test segment overlaps: enqueue and overlap ooo segments */ - svm_fifo_free (f); - f = fifo_prepare (fifo_size); + ft_fifo_free (fs, f); + f = fifo_prepare (fs, fifo_size); for (i = 0; i < 4; i++) { @@ -419,26 +456,31 @@ sfifo_test_fifo1 (vlib_main_t * vm, unformat_input_t * input) SFIFO_TEST ((rv == 0), "peeked %u expected 0", rv); vec_free (data_buf); - svm_fifo_free (f); + ft_fifo_free (fs, f); + ft_fifo_segment_free (fsm, fs); vec_free (test_data); return 0; err: - svm_fifo_free (f); + ft_fifo_free (fs, f); + ft_fifo_segment_free (fsm, fs); vec_free (test_data); + return -1; } static int sfifo_test_fifo2 (vlib_main_t * vm) { - svm_fifo_t *f; + fifo_segment_main_t _fsm = { 0 }, *fsm = &_fsm; + test_pattern_t *tp, *vp, *test_data; u32 fifo_size = (1 << 20) + 1; int i, rv, test_data_len; - u64 data64; - test_pattern_t *tp, *vp, *test_data; ooo_segment_t *ooo_seg; + fifo_segment_t *fs; + svm_fifo_t *f; + u64 data64; test_data = test_pattern; test_data_len = ARRAY_LEN (test_pattern); @@ -446,7 +488,8 @@ sfifo_test_fifo2 (vlib_main_t * vm) vp = fifo_get_validate_pattern (vm, test_data, test_data_len); /* Create a fifo */ - f = fifo_prepare (fifo_size); + fs = fifo_segment_prepare (fsm, "fifo-test2", 0); + f = fifo_prepare (fs, fifo_size); /* * Try with sorted data @@ -472,14 +515,14 @@ sfifo_test_fifo2 (vlib_main_t * vm) rv = svm_fifo_enqueue (f, sizeof (u32), (u8 *) & data64); SFIFO_TEST ((rv == 3000), "bytes to be enqueued %u", rv); - svm_fifo_free (f); + ft_fifo_free (fs, f); vec_free (vp); /* * Now try it again w/ unsorted data... */ - f = fifo_prepare (fifo_size); + f = fifo_prepare (fs, fifo_size); for (i = 0; i < test_data_len; i++) { @@ -507,7 +550,8 @@ sfifo_test_fifo2 (vlib_main_t * vm) SFIFO_TEST ((rv == 3000), "bytes to be enqueued %u", rv); - svm_fifo_free (f); + ft_fifo_free (fs, f); + ft_fifo_segment_free (fsm, fs); return 0; } @@ -515,16 +559,15 @@ sfifo_test_fifo2 (vlib_main_t * vm) static int sfifo_test_fifo3 (vlib_main_t * vm, unformat_input_t * input) { - svm_fifo_t *f; - u32 fifo_size = (4 << 10) + 1; - u32 fifo_initial_offset = 0; - u32 total_size = 2 << 10; + u32 nsegs = 2, seg_size, length_so_far, current_offset, offset_increment; int overlap = 0, verbose = 0, randomize = 1, drop = 0, in_seq_all = 0; + u32 len_this_chunk, seed = 0xdeaddabe, j, total_size = 2 << 10; + u32 fifo_size = (4 << 10) + 1, fifo_initial_offset = 0; + fifo_segment_main_t _fsm = { 0 }, *fsm = &_fsm; 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; + fifo_segment_t *fs; + svm_fifo_t *f; int i, rv; while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) @@ -649,7 +692,8 @@ sfifo_test_fifo3 (vlib_main_t * vm, unformat_input_t * input) /* * Create a fifo and add segments */ - f = fifo_prepare (fifo_size); + fs = fifo_segment_prepare (fsm, "fifo-test3", 0); + f = fifo_prepare (fs, fifo_size); /* manually set head and tail pointers to validate modular arithmetic */ fifo_initial_offset = fifo_initial_offset % fifo_size; @@ -730,7 +774,8 @@ sfifo_test_fifo3 (vlib_main_t * vm, unformat_input_t * input) SFIFO_TEST ((svm_fifo_max_dequeue (f) == 0), "fifo has %d bytes", svm_fifo_max_dequeue (f)); - svm_fifo_free (f); + ft_fifo_free (fs, f); + ft_fifo_segment_free (fsm, fs); vec_free (data_pattern); vec_free (data_buf); @@ -740,12 +785,12 @@ sfifo_test_fifo3 (vlib_main_t * vm, unformat_input_t * input) static int sfifo_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; + u32 fifo_size = 6 << 10, fifo_initial_offset = 1e9, test_n_bytes = 5000, j; + fifo_segment_main_t _fsm = { 0 }, *fsm = &_fsm; u8 *test_data = 0, *data_buf = 0; int i, rv, verbose = 0; + fifo_segment_t *fs; + svm_fifo_t *f; while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) { @@ -763,7 +808,8 @@ sfifo_test_fifo4 (vlib_main_t * vm, unformat_input_t * input) /* * Create a fifo and add segments */ - f = fifo_prepare (fifo_size); + fs = fifo_segment_prepare (fsm, "fifo-test4", 0); + f = fifo_prepare (fs, fifo_size); /* Set head and tail pointers */ fifo_initial_offset = fifo_initial_offset % fifo_size; @@ -780,12 +826,7 @@ sfifo_test_fifo4 (vlib_main_t * vm, unformat_input_t * input) 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; - } + SFIFO_TEST (0, "enqueue returned %d", rv); } svm_fifo_enqueue (f, sizeof (u8), &test_data[0]); @@ -799,7 +840,8 @@ sfifo_test_fifo4 (vlib_main_t * vm, unformat_input_t * input) test_data[j]); SFIFO_TEST ((rv == 0), "dequeued compared to original returned %d", rv); - svm_fifo_free (f); + ft_fifo_free (fs, f); + ft_fifo_segment_free (fsm, fs); vec_free (test_data); return 0; } @@ -807,7 +849,7 @@ sfifo_test_fifo4 (vlib_main_t * vm, unformat_input_t * input) static u32 fifo_pos (svm_fifo_t * f, u32 pos) { - return pos % f->size; + return pos; } /* Avoids exposing svm_fifo.c internal function */ @@ -822,11 +864,13 @@ ooo_seg_next (svm_fifo_t * f, ooo_segment_t * s) static int sfifo_test_fifo5 (vlib_main_t * vm, unformat_input_t * input) { - svm_fifo_t *f; + fifo_segment_main_t _fsm = { 0 }, *fsm = &_fsm; u32 fifo_size = 401, j = 0, offset = 200; - int i, rv, verbose = 0; u8 *test_data = 0, *data_buf = 0; + int i, rv, verbose = 0; ooo_segment_t *ooo_seg; + fifo_segment_t *fs; + svm_fifo_t *f; while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) { @@ -841,7 +885,8 @@ sfifo_test_fifo5 (vlib_main_t * vm, unformat_input_t * input) } } - f = fifo_prepare (fifo_size); + fs = fifo_segment_prepare (fsm, "fifo-test5", 0); + f = fifo_prepare (fs, fifo_size); svm_fifo_init_pointers (f, offset, offset); vec_validate (test_data, 399); @@ -930,8 +975,8 @@ sfifo_test_fifo5 (vlib_main_t * vm, unformat_input_t * input) /* * Add [100 200] and overlap it with [50 250] */ - svm_fifo_free (f); - f = fifo_prepare (fifo_size); + ft_fifo_free (fs, f); + f = fifo_prepare (fs, fifo_size); svm_fifo_enqueue_with_offset (f, 100, 100, &test_data[100]); svm_fifo_enqueue_with_offset (f, 50, 200, &test_data[50]); @@ -943,7 +988,8 @@ sfifo_test_fifo5 (vlib_main_t * vm, unformat_input_t * input) SFIFO_TEST ((ooo_seg->length == 200), "first seg length %u expected %u", ooo_seg->length, 200); - svm_fifo_free (f); + ft_fifo_free (fs, f); + ft_fifo_segment_free (fsm, fs); vec_free (test_data); return 0; } @@ -954,10 +1000,12 @@ sfifo_test_fifo5 (vlib_main_t * vm, unformat_input_t * input) static int sfifo_test_fifo6 (vlib_main_t * vm, unformat_input_t * input) { + fifo_segment_main_t _fsm = { 0 }, *fsm = &_fsm; u32 fifo_size = 101, n_test_bytes = 100; int i, j, rv, __clib_unused verbose = 0; u8 *test_data = 0, *data_buf = 0; ooo_segment_t *ooo_seg; + fifo_segment_t *fs; svm_fifo_t *f; while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) @@ -972,40 +1020,18 @@ sfifo_test_fifo6 (vlib_main_t * vm, unformat_input_t * input) } } - f = fifo_prepare (fifo_size); + fs = fifo_segment_prepare (fsm, "fifo-test6", 0); + f = fifo_prepare (fs, fifo_size); + vec_validate (test_data, n_test_bytes - 1); vec_validate (data_buf, n_test_bytes - 1); for (i = 0; i < vec_len (test_data); i++) test_data[i] = i % 0xff; /* - * Test ooo segment distance to/from tail with u32 wrap - */ - - /* - * |0|---[start]--(len5)-->|0|--(len6)-->[end]---|0| - */ - rv = f_distance_from (f, ~0 - 5, 5); - SFIFO_TEST (rv == 11, "distance to tail should be %u is %u", 11, rv); - - rv = f_distance_to (f, ~0 - 5, 5); - SFIFO_TEST (rv == f->size - 11, "distance from tail should be %u is %u", - f->size - 11, rv); - - /* - * |0|---[end]--(len5)-->|0|--(len6)-->[start]---|0| - */ - rv = f_distance_to (f, 5, ~0 - 5); - SFIFO_TEST (rv == 11, "distance from tail should be %u is %u", 11, rv); - - rv = f_distance_from (f, 5, ~0 - 5); - SFIFO_TEST (rv == f->size - 11, "distance to tail should be %u is %u", - f->size - 11, rv); - - /* * Add ooo with tail and ooo segment start u32 wrap */ - svm_fifo_init_pointers (f, ~0, ~0); + svm_fifo_init_pointers (f, ~0 % fifo_size, ~0 % fifo_size); svm_fifo_enqueue_with_offset (f, 10, 10, &test_data[10]); SFIFO_TEST ((svm_fifo_n_ooo_segments (f) == 1), "number of ooo segments %u", svm_fifo_n_ooo_segments (f)); @@ -1032,7 +1058,7 @@ sfifo_test_fifo6 (vlib_main_t * vm, unformat_input_t * input) /* * Force collect with tail u32 wrap and without ooo segment start u32 wrap */ - svm_fifo_init_pointers (f, ~0 - 10, ~0 - 10); + svm_fifo_init_pointers (f, (~0 - 10) % fifo_size, (~0 - 10) % fifo_size); svm_fifo_enqueue_with_offset (f, 5, 15, &test_data[5]); svm_fifo_enqueue (f, 12, test_data); @@ -1051,7 +1077,8 @@ sfifo_test_fifo6 (vlib_main_t * vm, unformat_input_t * input) */ vec_free (test_data); vec_free (data_buf); - svm_fifo_free (f); + ft_fifo_free (fs, f); + ft_fifo_segment_free (fsm, fs); return 0; } @@ -1061,10 +1088,12 @@ sfifo_test_fifo6 (vlib_main_t * vm, unformat_input_t * input) static int sfifo_test_fifo7 (vlib_main_t * vm, unformat_input_t * input) { + fifo_segment_main_t _fsm = { 0 }, *fsm = &_fsm; u32 fifo_size = 101, n_iterations = 100; int i, j, rv, __clib_unused verbose = 0; u8 *test_data = 0, *data_buf = 0; u64 n_test_bytes = 100; + fifo_segment_t *fs; svm_fifo_t *f; while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) @@ -1082,8 +1111,9 @@ sfifo_test_fifo7 (vlib_main_t * vm, unformat_input_t * input) /* * Prepare data structures */ - f = fifo_prepare (fifo_size); - svm_fifo_init_pointers (f, ~0, ~0); + fs = fifo_segment_prepare (fsm, "fifo-test7", 0); + f = fifo_prepare (fs, fifo_size); + svm_fifo_init_pointers (f, ~0 % fifo_size, ~0 % fifo_size); vec_validate (test_data, n_test_bytes - 1); vec_validate (data_buf, n_test_bytes - 1); @@ -1118,7 +1148,7 @@ sfifo_test_fifo7 (vlib_main_t * vm, unformat_input_t * input) if (compare_data (data_buf, test_data, 0, n_test_bytes, (u32 *) & j)) SFIFO_TEST (0, "[%d] dequeued %u expected %u", j, data_buf[j], test_data[j]); - svm_fifo_init_pointers (f, ~0 - i, ~0 - i); + svm_fifo_init_pointers (f, (~0 - i) % f->size, (~0 - i) % f->size); } SFIFO_TEST (1, "passed multiple ooo enqueue/dequeue"); @@ -1127,7 +1157,8 @@ sfifo_test_fifo7 (vlib_main_t * vm, unformat_input_t * input) */ vec_free (test_data); vec_free (data_buf); - svm_fifo_free (f); + ft_fifo_free (fs, f); + ft_fifo_segment_free (fsm, fs); return 0; } @@ -1137,10 +1168,12 @@ sfifo_test_fifo7 (vlib_main_t * vm, unformat_input_t * input) static int sfifo_test_fifo_large (vlib_main_t * vm, unformat_input_t * input) { - u32 n_iterations = 100, n_bytes_per_iter, half; + u32 n_iterations = 100, n_bytes_per_iter, half, fifo_size; + fifo_segment_main_t _fsm = { 0 }, *fsm = &_fsm; int i, j, rv, __clib_unused verbose = 0; u8 *test_data = 0, *data_buf = 0; u64 n_test_bytes = 100; + fifo_segment_t *fs; svm_fifo_t *f; while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) @@ -1155,13 +1188,14 @@ sfifo_test_fifo_large (vlib_main_t * vm, unformat_input_t * input) } } - n_test_bytes = 5ULL << 30; n_iterations = 1 << 10; n_bytes_per_iter = n_test_bytes / n_iterations; + fifo_size = n_bytes_per_iter + 1; - f = fifo_prepare (n_bytes_per_iter + 1); - svm_fifo_init_pointers (f, ~0, ~0); + fs = fifo_segment_prepare (fsm, "fifo-large", 0); + f = fifo_prepare (fs, fifo_size); + svm_fifo_init_pointers (f, ~0 % fifo_size, ~0 % fifo_size); vec_validate (test_data, n_bytes_per_iter - 1); vec_validate (data_buf, n_bytes_per_iter - 1); @@ -1184,17 +1218,162 @@ sfifo_test_fifo_large (vlib_main_t * vm, unformat_input_t * input) } SFIFO_TEST (1, "passed large transfer"); + ft_fifo_free (fs, f); + ft_fifo_segment_free (fsm, fs); + + return 0; +} + +static void +validate_test_and_buf_vecs (u8 ** test_data, u8 ** data_buf, u32 len) +{ + int i, cur_len; + + cur_len = vec_len (*test_data); + vec_validate (*test_data, len - 1); + vec_validate (*data_buf, len - 1); + + for (i = cur_len; i < vec_len (*test_data); i++) + (*test_data)[i] = i; +} + +static int +enqueue_ooo (svm_fifo_t * f, u8 * test_data, u32 len, u32 iterations) +{ + u32 offset, enq_now, ooo_chunk; + int i, rv; + + ooo_chunk = len / iterations; + for (i = iterations; i > 0; i--) + { + offset = i * ooo_chunk; + enq_now = clib_min (ooo_chunk, len - offset); + if (!enq_now) + continue; + rv = svm_fifo_enqueue_with_offset (f, offset, enq_now, + test_data + offset); + if (rv) + return rv; + } + + return 0; +} + +static int +enqueue_ooo_packets (svm_fifo_t * f, u32 len, u32 enq_chunk, u8 * test_data) +{ + u32 offset, enq_now; + int i, rv; + + for (i = 1; i <= len / enq_chunk; i++) + { + offset = i * enq_chunk; + enq_now = clib_min (enq_chunk, len - offset); + if (!enq_now) + continue; + rv = svm_fifo_enqueue_with_offset (f, offset, enq_now, + test_data + offset); + if (rv) + return rv; + + if (svm_fifo_size (f) < len - 4096) + svm_fifo_set_size (f, svm_fifo_size (f) + enq_now); + else + svm_fifo_set_size (f, len); + } + + return 0; +} + +static int +enqueue_packets_inc (svm_fifo_t * f, u32 len, u32 enq_chunk, u8 * test_data) +{ + u32 enq_now, offset; + int i, rv; + + for (i = 0; i <= len / enq_chunk; i++) + { + offset = i * enq_chunk; + enq_now = clib_min (enq_chunk, len - offset); + rv = svm_fifo_enqueue (f, enq_now, test_data + offset); + if (rv != enq_now) + return -1; + if (svm_fifo_size (f) < len - 4096) + svm_fifo_set_size (f, svm_fifo_size (f) + enq_now); + else + svm_fifo_set_size (f, len); + } + return 0; +} + +static int +dequeue_ooo (svm_fifo_t * f, u8 * data_buf, u32 len, u32 iterations) +{ + u32 offset, ooo_chunk, deq_now; + int i, rv; + + ooo_chunk = len / iterations; + for (i = iterations; i >= 0; i--) + { + offset = i * ooo_chunk; + deq_now = clib_min (ooo_chunk, len - offset); + if (deq_now == 0) + continue; + rv = svm_fifo_peek (f, offset, deq_now, data_buf + offset); + if (rv != deq_now) + return rv; + } + return 0; +} + +static int +dequeue_ooo_inc (svm_fifo_t * f, u8 * data_buf, u32 len, u32 iterations) +{ + u32 offset, ooo_chunk, deq_now; + int i, rv; + + ooo_chunk = len / iterations; + for (i = 0; i <= iterations; i++) + { + offset = i * ooo_chunk; + deq_now = clib_min (ooo_chunk, len - offset); + if (deq_now == 0) + continue; + rv = svm_fifo_peek (f, offset, deq_now, data_buf + offset); + if (rv != deq_now) + return rv; + } + return 0; +} + +static int +dequeue_packets (svm_fifo_t * f, u32 len, u32 deq_chunk, u8 * data_buf) +{ + u32 offset, deq_now; + int i, rv; + + for (i = 0; i <= len / deq_chunk; i++) + { + offset = i * deq_chunk; + deq_now = clib_min (deq_chunk, len - offset); + if (deq_now == 0) + continue; + rv = svm_fifo_dequeue (f, deq_now, data_buf + offset); + if (rv != deq_now) + return rv; + } return 0; } static int sfifo_test_fifo_grow (vlib_main_t * vm, unformat_input_t * input) { - int verbose = 0, fifo_size = 201, start_offset = 100, i, j, rv; - int test_n_bytes, deq_bytes, enq_bytes, n_deqs, n_enqs; - svm_fifo_chunk_t *c, *next, *prev; + int __clib_unused verbose = 0, fifo_size = 4096, fifo_inc = 4096, rv, i; + u32 enq_chunk, offset, deq_now, last_start_byte; + fifo_segment_main_t _fsm = { 0 }, *fsm = &_fsm; u8 *test_data = 0, *data_buf = 0; - u32 old_tail, offset; + svm_fifo_chunk_t *c; + fifo_segment_t *fs; svm_fifo_t *f; while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) @@ -1209,365 +1388,364 @@ sfifo_test_fifo_grow (vlib_main_t * vm, unformat_input_t * input) } } - f = fifo_prepare (fifo_size); - svm_fifo_init_pointers (f, start_offset, start_offset); + fs = fifo_segment_prepare (fsm, "fifo-grow", 0); + f = fifo_prepare (fs, fifo_size); /* - * Add with fifo not wrapped + * Grow size and alloc chunks by enqueueing in order */ - c = clib_mem_alloc (sizeof (svm_fifo_chunk_t) + 100); - c->length = 100; - c->start_byte = ~0; - c->next = 0; + fifo_size += fifo_inc; + svm_fifo_set_size (f, fifo_size); + last_start_byte = 4096; + validate_test_and_buf_vecs (&test_data, &data_buf, fifo_size); - svm_fifo_add_chunk (f, c); + rv = svm_fifo_enqueue (f, fifo_size, test_data); - SFIFO_TEST (f->size == fifo_size + 100, "size expected %u is %u", - fifo_size + 100, f->size); - SFIFO_TEST (c->start_byte == fifo_size, "start byte expected %u is %u", - fifo_size, c->start_byte); + SFIFO_TEST (rv == fifo_size, "enqueue should work"); + SFIFO_TEST (svm_fifo_size (f) == fifo_size, "size expected %u is %u", + fifo_size, svm_fifo_size (f)); + SFIFO_TEST (svm_fifo_max_dequeue (f) == fifo_size, "max deq should be %u", + fifo_size); + rv = svm_fifo_n_chunks (f); + SFIFO_TEST (rv == 2, "should have 2 chunks has %u", rv); SFIFO_TEST (svm_fifo_is_sane (f), "fifo should be sane"); + c = f->head_chunk; + SFIFO_TEST (c->start_byte == 0, "head start byte should be %u", 0); + SFIFO_TEST (c->length == 4096, "head chunk length should be %u", 4096); + SFIFO_TEST (f->tail_chunk == 0, "no tail chunk"); + SFIFO_TEST (f->ooo_enq == 0, "should have no ooo enq chunk"); + SFIFO_TEST (f->ooo_deq == 0, "should have no ooo deq chunk"); + c = f->end_chunk; + SFIFO_TEST (c->start_byte == last_start_byte, "end chunk start byte should" + " be %u", last_start_byte); + SFIFO_TEST (c->length == 4096, "end chunk length should be %u", 4096); + /* - * Add with fifo wrapped + * Dequeue and validate data */ - svm_fifo_init_pointers (f, f->nitems - 100, f->nitems + 100); - c = clib_mem_alloc (sizeof (svm_fifo_chunk_t) + 100); - c->length = 100; - c->start_byte = ~0; - c->next = 0; + rv = svm_fifo_dequeue (f, fifo_size, data_buf); + SFIFO_TEST (rv == fifo_size, "should dequeue all data"); + last_start_byte += 4096; /* size of last segment */ - svm_fifo_add_chunk (f, c); + rv = compare_data (data_buf, test_data, 0, vec_len (test_data), + (u32 *) & i); - SFIFO_TEST (f->end_chunk != c, "tail chunk should not be updated"); - SFIFO_TEST (f->size == fifo_size + 100, "size expected %u is %u", - fifo_size + 100, f->size); - SFIFO_TEST (c->start_byte == fifo_size + 100, "start byte expected %u is " - " %u", fifo_size + 100, c->start_byte); + if (rv) + vlib_cli_output (vm, "[%d] dequeued %u expected %u", i, data_buf[i], + test_data[i]); + SFIFO_TEST ((rv == 0), "dequeued compared to original returned %d", rv); + SFIFO_TEST (f->head_chunk == 0, "head chunk should be 0"); + SFIFO_TEST (f->tail_chunk == 0, "tail chunk should be 0"); + SFIFO_TEST (f->ooo_deq == 0, "should have no ooo deq chunk"); SFIFO_TEST (svm_fifo_is_sane (f), "fifo should be sane"); /* - * Unwrap fifo + * Allocate one new chunk by enqueueing out of order all but first chunk + * */ - vec_validate (data_buf, 200); - svm_fifo_dequeue (f, 201, data_buf); - SFIFO_TEST (f->end_chunk == c, "tail chunk should be updated"); - SFIFO_TEST (f->size == fifo_size + 200, "size expected %u is %u", - fifo_size + 200, f->size); - SFIFO_TEST (c->start_byte == fifo_size + 100, "start byte expected %u is " - "%u", fifo_size + 100, c->start_byte); - SFIFO_TEST (svm_fifo_is_sane (f), "fifo should be sane"); + enq_chunk = vec_len (test_data) / 10; + rv = enqueue_ooo (f, test_data, vec_len (test_data), 10); + SFIFO_TEST (!rv, "enqueue ooo should work"); - /* - * Add N chunks - */ - svm_fifo_init_pointers (f, f->nitems - 100, f->nitems + 100); - - 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); - SFIFO_TEST (f->size == fifo_size + 200, "size expected %u is %u", - fifo_size + 200, f->size); + SFIFO_TEST (svm_fifo_size (f) == fifo_size, "size expected %u is %u", + fifo_size, svm_fifo_size (f)); + SFIFO_TEST (svm_fifo_max_dequeue (f) == 0, "max deq should be %u", 0); + /* Fifo has 2 chunks because the we didn't allow the first chunk to be + * freed when all the data was dequeued. Could be optimized in the future */ + rv = svm_fifo_n_chunks (f); + SFIFO_TEST (rv == 2, "should have %u chunks has %u", 2, rv); SFIFO_TEST (svm_fifo_is_sane (f), "fifo should be sane"); - 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); - SFIFO_TEST (f->size == fifo_size + 200, "size expected %u is %u", - fifo_size + 200, f->size); - - old_tail = f->tail; - svm_fifo_dequeue (f, 101, data_buf); + SFIFO_TEST (f->head_chunk == 0, "should have no head chunk"); + /* When new fifo chunks are allocated, tail is initialized */ + SFIFO_TEST (f->tail_chunk != 0, "should have no tail chunk"); + SFIFO_TEST (f->ooo_enq != 0, "should have an ooo enq chunk"); - SFIFO_TEST (f->size == fifo_size + 200 + 10 * 100, "size expected %u is %u", - fifo_size + 200 + 10 * 100, f->size); - SFIFO_TEST (f->tail == old_tail, "new tail expected %u is %u", old_tail, - f->tail); - SFIFO_TEST (svm_fifo_is_sane (f), "fifo should be sane"); + c = f->end_chunk; + SFIFO_TEST (c->start_byte == last_start_byte, + "end chunk should start at %u", last_start_byte); + SFIFO_TEST (c->length == 8192, "end chunk length should be %u", 8192); + SFIFO_TEST (f->ooo_enq == c, "ooo enq chunk should be end chunk"); /* - * Enqueue/dequeue tests + * Enqueue the first chunk */ + rv = svm_fifo_enqueue (f, enq_chunk, test_data); + SFIFO_TEST (rv == fifo_size, "enq should succeed %u", rv); + rv = svm_fifo_max_dequeue (f); + SFIFO_TEST (rv == fifo_size, "max deq should be %u is %u", fifo_size, rv); + rv = svm_fifo_n_chunks (f); + SFIFO_TEST (rv == 2, "should have %u chunks has %u", 2, rv); + SFIFO_TEST (svm_fifo_is_sane (f), "fifo should be sane"); - test_n_bytes = f->nitems; - vec_validate (test_data, test_n_bytes - 1); - vec_validate (data_buf, vec_len (test_data)); - n_deqs = n_enqs = 6; - deq_bytes = enq_bytes = vec_len (test_data) / n_deqs; - - for (i = 0; i < vec_len (test_data); i++) - test_data[i] = i; + SFIFO_TEST (f->head_chunk == 0, "should have no head chunk"); + /* Fifo is full so tail and ooo_enq should be 0 */ + SFIFO_TEST (f->tail_chunk == 0, "should have no tail chunk"); + SFIFO_TEST (f->ooo_enq == 0, "should have no ooo enq chunk"); /* - * Enqueue/deq boundary conditions + * Peek and validate data */ - svm_fifo_init_pointers (f, 201, 201); - SFIFO_TEST (f->tail_chunk->start_byte == 201, "start byte expected %u is " - "%u", 201, f->tail_chunk->start_byte); - svm_fifo_enqueue (f, 200, test_data); - SFIFO_TEST (f->tail_chunk->start_byte == 401, "start byte expected %u is " - "%u", 401, f->tail_chunk->start_byte); + memset (data_buf, 0, vec_len (data_buf)); + + rv = dequeue_ooo_inc (f, data_buf, fifo_size, 10); + SFIFO_TEST (!rv, "ooo deq should work %d", rv); - svm_fifo_dequeue (f, 200, data_buf); - SFIFO_TEST (f->head_chunk->start_byte == 401, "start byte expected %u is " - "%u", 401, f->head_chunk->start_byte); + rv = compare_data (data_buf, test_data, 0, vec_len (test_data), + (u32 *) & i); + if (rv) + vlib_cli_output (vm, "[%d] dequeued %u expected %u", i, data_buf[i], + test_data[i]); + SFIFO_TEST ((rv == 0), "peeked compared to original returned %d", rv); + SFIFO_TEST (svm_fifo_is_sane (f), "fifo should be sane"); + /* Peeked all the data in a full fifo so ooo_deq ends up 0 */ + SFIFO_TEST (f->ooo_deq == 0, "should have no ooo deq chunk"); /* - * Simple enqueue/deq and data validation (1) + * Peek in reverse order and validate data + * + * RB tree should be exercised */ - svm_fifo_init_pointers (f, f->nitems / 2, f->nitems / 2); - for (i = 0; i < test_n_bytes; i++) + + memset (data_buf, 0, vec_len (data_buf)); + for (i = 10; i >= 0; i--) { - rv = svm_fifo_enqueue (f, sizeof (u8), &test_data[i]); - if (rv < 0) - { - clib_warning ("enqueue returned %d", rv); - goto cleanup; - } + offset = i * enq_chunk; + deq_now = clib_min (enq_chunk, vec_len (test_data) - offset); + rv = svm_fifo_peek (f, offset, deq_now, data_buf + offset); + if (rv != deq_now) + SFIFO_TEST (0, "failed to peek"); } - SFIFO_TEST (svm_fifo_max_dequeue (f) == test_n_bytes, "max deq expected %u " - "is %u", test_n_bytes, svm_fifo_max_dequeue (f)); - - for (i = 0; i < test_n_bytes; i++) - svm_fifo_dequeue (f, 1, &data_buf[i]); - rv = compare_data (data_buf, test_data, 0, vec_len (test_data), - (u32 *) & j); + (u32 *) & i); + if (rv) - vlib_cli_output (vm, "[%d] dequeued %u expected %u", j, data_buf[j], - test_data[j]); - SFIFO_TEST ((rv == 0), "dequeued compared to original returned %d", rv); + vlib_cli_output (vm, "[%d] dequeued %u expected %u", i, data_buf[i], + test_data[i]); + SFIFO_TEST ((rv == 0), "peeked compared to original returned %d", rv); SFIFO_TEST (svm_fifo_is_sane (f), "fifo should be sane"); + /* Last chunk peeked is the first, so ooo_deq should be non zero */ + SFIFO_TEST (f->ooo_deq != 0, "should have ooo deq chunk"); /* - * Simple enqueue/deq and data validation (2) + * Dequeue drop all bytes */ - for (i = 0; i <= n_enqs; i++) - { - rv = svm_fifo_enqueue (f, enq_bytes, test_data + i * enq_bytes); - if (rv < 0) - { - clib_warning ("enqueue returned %d", rv); - goto cleanup; - } - } + rv = svm_fifo_dequeue_drop (f, fifo_size); + SFIFO_TEST ((rv == fifo_size), "all bytes should be dropped %u", rv); + last_start_byte += 8192; - SFIFO_TEST (svm_fifo_max_dequeue (f) == test_n_bytes, "max deq expected %u " - "is %u", test_n_bytes, svm_fifo_max_dequeue (f)); + SFIFO_TEST (svm_fifo_is_sane (f), "fifo should be sane"); + SFIFO_TEST (f->head_chunk == 0, "should have no head chunk"); + SFIFO_TEST (f->tail_chunk == 0, "should have no tail chunk"); - for (i = 0; i <= n_deqs; i++) - svm_fifo_dequeue (f, deq_bytes, data_buf + i * deq_bytes); + /* We don't remove the last chunk even when the fifo goes empty */ + rv = svm_fifo_n_chunks (f); + SFIFO_TEST (rv == 1, "should have %u chunks has %u", 1, rv); - rv = compare_data (data_buf, test_data, 0, vec_len (test_data), - (u32 *) & j); - if (rv) - vlib_cli_output (vm, "[%d] dequeued %u expected %u", j, data_buf[j], - test_data[j]); - SFIFO_TEST ((rv == 0), "dequeued compared to original returned %d", rv); - SFIFO_TEST (svm_fifo_is_sane (f), "fifo should be sane"); + /* + * Increase size such that it can't be the sum of multiple chunk lengths + * + * A chunk of 16kB should be allocated + */ + fifo_size += 2 * fifo_inc - 100; + svm_fifo_set_size (f, fifo_size); + validate_test_and_buf_vecs (&test_data, &data_buf, fifo_size + fifo_inc); + enq_chunk = vec_len (test_data) / 10; + memset (data_buf, 0, vec_len (data_buf)); /* - * Simple enqueue and drop + * Enqueue data ooo */ - for (i = 0; i <= n_enqs; i++) - { - rv = svm_fifo_enqueue (f, enq_bytes, test_data + i * enq_bytes); - if (rv < 0) - SFIFO_TEST (0, "failed to enqueue"); - } + rv = enqueue_ooo (f, test_data, fifo_size, 10); + SFIFO_TEST (!rv, "enqueue ooo should work"); + + SFIFO_TEST (svm_fifo_size (f) == fifo_size, "size expected %u is %u", + fifo_size, svm_fifo_size (f)); + SFIFO_TEST (svm_fifo_max_dequeue (f) == 0, "max deq should be %u", 0); + /* Fifo has 2 chunks because the we didn't allow the first chunk to be + * freed when all the data was dequeued. Could be optimized in the future */ + rv = svm_fifo_n_chunks (f); + SFIFO_TEST (rv == 2, "should have %u chunks has %u", 2, rv); + SFIFO_TEST (svm_fifo_is_sane (f), "fifo should be sane"); + + SFIFO_TEST (f->head_chunk == 0, "should have no head chunk"); + /* When new fifo chunks are allocated, tail is initialized */ + SFIFO_TEST (f->tail_chunk != 0, "should have no tail chunk"); + SFIFO_TEST (f->ooo_enq != 0, "should have an ooo enq chunk"); - rv = svm_fifo_dequeue_drop (f, test_n_bytes / 2); - SFIFO_TEST (rv == test_n_bytes / 2, "drop should be equal"); - SFIFO_TEST (svm_fifo_is_sane (f), "head chunk should be valid"); - rv = svm_fifo_dequeue_drop (f, test_n_bytes / 2); - SFIFO_TEST (rv == test_n_bytes / 2, "drop should be equal"); - SFIFO_TEST (svm_fifo_is_sane (f), "head chunk should be valid"); - SFIFO_TEST (svm_fifo_max_dequeue (f) == 0, "should be empty"); + c = f->end_chunk; + SFIFO_TEST (c->start_byte == last_start_byte, + "end chunk should start at %u", last_start_byte); + SFIFO_TEST (c->length == 16384, "end chunk length should be %u", 16384); + SFIFO_TEST (f->ooo_enq == c, "ooo enq chunk should be end chunk"); /* - * Simple enqueue and drop all + * Enqueue the first chunk */ + rv = svm_fifo_enqueue (f, enq_chunk, test_data); + SFIFO_TEST (rv == fifo_size, "enq should succeed %u", rv); + rv = svm_fifo_max_dequeue (f); + SFIFO_TEST (rv == fifo_size, "max deq should be %u is %u", fifo_size, rv); + rv = svm_fifo_n_chunks (f); + SFIFO_TEST (rv == 2, "should have %u chunks has %u", 2, rv); + SFIFO_TEST (svm_fifo_is_sane (f), "fifo should be sane"); - /* Enqueue just enough data to make sure fifo is not full */ - for (i = 0; i <= n_enqs / 2; i++) - { - rv = svm_fifo_enqueue (f, enq_bytes, test_data + i * enq_bytes); - if (rv < 0) - SFIFO_TEST (0, "failed to enqueue"); - } - - /* check drop all as well */ - svm_fifo_dequeue_drop_all (f); - SFIFO_TEST (svm_fifo_is_sane (f), "head chunk should be valid"); - SFIFO_TEST (svm_fifo_max_dequeue (f) == 0, "should be empty"); + /* + * Dequeue just a part of data + */ + rv = svm_fifo_dequeue (f, fifo_inc, data_buf); + SFIFO_TEST (rv == fifo_inc, "should dequeue all data"); + rv = svm_fifo_n_chunks (f); + SFIFO_TEST (rv == 1, "should have %u chunks has %u", 1, rv); + SFIFO_TEST (svm_fifo_is_sane (f), "fifo should be sane"); /* - * OOO enqueues/dequeues and data validation (1) + * Enqueue ooo as much data as it was dequeued */ - for (i = test_n_bytes - 1; i > 0; i--) - { - rv = svm_fifo_enqueue_with_offset (f, i, 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); - goto cleanup; - } - } + rv = enqueue_ooo (f, test_data + fifo_size, fifo_inc, 2); + SFIFO_TEST (!rv, "ooo enqueue should work %d", rv); + + rv = svm_fifo_enqueue (f, fifo_inc / 2, test_data + fifo_size); + SFIFO_TEST (rv == fifo_inc, "enqueue should work %d", rv); + rv = svm_fifo_n_chunks (f); + SFIFO_TEST (rv == 2, "should have %u chunks has %u", 2, rv); SFIFO_TEST (svm_fifo_is_sane (f), "fifo should be sane"); - SFIFO_TEST (svm_fifo_max_dequeue (f) == 0, "max deq expected %u is %u", - 0, svm_fifo_max_dequeue (f)); - svm_fifo_enqueue (f, sizeof (u8), &test_data[0]); + last_start_byte += 16384; + c = f->end_chunk; + SFIFO_TEST (c->start_byte == last_start_byte, + "end chunk should start at %u", last_start_byte); + SFIFO_TEST (c->length == 4096, "end chunk length should be %u", 4096); - memset (data_buf, 0, vec_len (data_buf)); - offset = 0; - for (i = 0; i <= n_deqs; i++) - { - rv = svm_fifo_peek (f, offset, deq_bytes, data_buf + i * deq_bytes); - if (rv < 0 || (rv != deq_bytes && i != n_deqs)) - SFIFO_TEST (0, "unexpected peek %d", rv); - offset += rv; - } - svm_fifo_dequeue_drop (f, offset); + /* + * Dequeue all + */ + rv = svm_fifo_dequeue (f, fifo_size, data_buf + fifo_inc); + SFIFO_TEST (rv == fifo_size, "should dequeue all data"); rv = compare_data (data_buf, test_data, 0, vec_len (test_data), - (u32 *) & j); + (u32 *) & i); if (rv) - vlib_cli_output (vm, "[%d] dequeued %u expected %u", j, data_buf[j], - test_data[j]); + vlib_cli_output (vm, "[%d] dequeued %u expected %u", i, data_buf[i], + test_data[i]); SFIFO_TEST ((rv == 0), "dequeued compared to original returned %d", rv); SFIFO_TEST (svm_fifo_is_sane (f), "fifo should be sane"); + /* fifo does not end on chunk boundary because of the - 100 */ + SFIFO_TEST (f->head_chunk != 0, "should have head chunk"); + SFIFO_TEST (f->tail_chunk != 0, "should have tail chunk"); /* - * OOO enqueues/dequeues and data validation (2) + * Enqueue and dequeue byte-by-byte ooo */ - for (i = n_enqs; i > 0; i--) - { - u32 enq_now = clib_min (enq_bytes, vec_len (test_data) - i * enq_bytes); - rv = svm_fifo_enqueue_with_offset (f, i * enq_bytes, enq_now, - test_data + i * enq_bytes); - if (verbose) - vlib_cli_output (vm, "add [%d, %d]", i * enq_bytes, - i * enq_bytes + enq_now); - if (rv) - { - clib_warning ("enqueue returned %d", rv); - goto cleanup; - } - } - SFIFO_TEST (svm_fifo_is_sane (f), "fifo should be sane"); + memset (data_buf, 0, vec_len (data_buf)); - svm_fifo_enqueue (f, enq_bytes, &test_data[0]); - SFIFO_TEST (svm_fifo_is_sane (f), "fifo should be sane"); + rv = enqueue_ooo (f, test_data, fifo_size, fifo_size); + SFIFO_TEST (!rv, "ooo enqueue should work %d", rv); - memset (data_buf, 0, vec_len (data_buf)); - for (i = 0; i <= n_deqs; i++) - svm_fifo_dequeue (f, deq_bytes, data_buf + i * deq_bytes); + rv = svm_fifo_enqueue (f, 1, test_data); + SFIFO_TEST (rv == fifo_size, "enqueue should work %d", rv); - rv = compare_data (data_buf, test_data, 0, vec_len (test_data), - (u32 *) & j); + rv = dequeue_ooo (f, data_buf, fifo_size, fifo_size); + SFIFO_TEST (!rv, "ooo deq should work %d", rv); + + rv = compare_data (data_buf, test_data, 0, fifo_size, (u32 *) & i); if (rv) - vlib_cli_output (vm, "[%d] dequeued %u expected %u", j, data_buf[j], - test_data[j]); + vlib_cli_output (vm, "[%d] dequeued %u expected %u", i, data_buf[i], + test_data[i]); SFIFO_TEST ((rv == 0), "dequeued compared to original returned %d", rv); SFIFO_TEST (svm_fifo_is_sane (f), "fifo should be sane"); + last_start_byte += 4096; + c = f->end_chunk; + SFIFO_TEST (c->start_byte == last_start_byte, + "end chunk should start at %u", last_start_byte); + SFIFO_TEST (c->length == 16384, "end chunk length should be %u", 16384); + + rv = svm_fifo_n_chunks (f); + SFIFO_TEST (rv == 2, "should have %u chunks has %u", 2, rv); + /* - * Cleanup + * Dequeue drop all bytes */ + rv = svm_fifo_dequeue_drop (f, fifo_size); + SFIFO_TEST ((rv == fifo_size), "all bytes should be dropped %u", rv); -cleanup: + SFIFO_TEST (svm_fifo_is_sane (f), "fifo should be sane"); + SFIFO_TEST (f->head_chunk != 0, "should have head chunk"); + SFIFO_TEST (f->tail_chunk != 0, "should have tail chunk"); - c = f->start_chunk->next; - while (c && c != f->start_chunk) - { - next = c->next; - clib_mem_free (c); - c = next; - } + /* We don't remove the last chunk even when the fifo goes empty */ + rv = svm_fifo_n_chunks (f); + SFIFO_TEST (rv == 1, "should have %u chunks has %u", 1, rv); + SFIFO_TEST (f->ooo_enq == 0, "should have no ooo enq chunk"); + SFIFO_TEST (f->ooo_deq == 0, "should have no ooo deq chunk"); - svm_fifo_free (f); - vec_free (test_data); - vec_free (data_buf); - return 0; -} + /* + * Grow fifo to 4MB and force only 4kB chunk allocations + */ + fifo_size = 4 << 20; + svm_fifo_set_size (f, fifo_inc); + validate_test_and_buf_vecs (&test_data, &data_buf, fifo_size); + enq_chunk = 1500; + memset (data_buf, 0, vec_len (data_buf)); -static int -chunk_list_len (svm_fifo_chunk_t * c) -{ - svm_fifo_chunk_t *it; - int count = 0; + rv = enqueue_packets_inc (f, fifo_size, enq_chunk, test_data); + SFIFO_TEST (!rv, "incremental packet enqueue should work"); - if (!c) - return 0; + SFIFO_TEST (svm_fifo_max_dequeue (f) == fifo_size, "max deq should be %u", + fifo_size); + SFIFO_TEST (svm_fifo_is_sane (f), "fifo should be sane"); - count = 1; - it = c->next; - while (it && it != c) - { - it = it->next; - count++; - } - return count; -} + rv = svm_fifo_n_chunks (f); + SFIFO_TEST (rv == (fifo_size / 4096) + 1, "should have %u chunks has %u", + (fifo_size / 4096) + 1, rv); -static void -chunk_list_free (svm_fifo_chunk_t * c, svm_fifo_chunk_t * stop) -{ - svm_fifo_chunk_t *it, *next; - it = c; - while (it && it != stop) - { - next = it->next; - clib_mem_free (it); - it = next; - } -} + /* + * Dequeue all + */ + rv = svm_fifo_dequeue (f, fifo_size, data_buf); + SFIFO_TEST (rv == fifo_size, "should dequeue all data"); -static void -chunk_list_splice (svm_fifo_chunk_t * a, svm_fifo_chunk_t * b) -{ - svm_fifo_chunk_t *it; + rv = compare_data (data_buf, test_data, 0, vec_len (test_data), + (u32 *) & i); + if (rv) + vlib_cli_output (vm, "[%d] dequeued %u expected %u", i, data_buf[i], + test_data[i]); + SFIFO_TEST (svm_fifo_is_sane (f), "fifo should be sane"); + SFIFO_TEST ((rv == 0), "dequeued compared to original returned %d", rv); + SFIFO_TEST (f->ooo_deq == 0, "should have no ooo deq chunk"); + rv = svm_fifo_n_chunks (f); + SFIFO_TEST (rv == 1, "should have %u chunks has %u", 1, rv); - it = a; - while (it->next) - it = it->next; - it->next = b; + /* + * Cleanup + */ + + ft_fifo_free (fs, f); + ft_fifo_segment_free (fsm, fs); + vec_free (test_data); + vec_free (data_buf); + return 0; } static int sfifo_test_fifo_shrink (vlib_main_t * vm, unformat_input_t * input) { - int __clib_unused verbose = 0, fifo_size = 101, chunk_size = 100; - int i, rv, test_n_bytes, diff, deq_bytes; - svm_fifo_chunk_t *c, *prev, *collected; + int __clib_unused verbose = 0, fifo_size = 4096, deq_chunk; + fifo_segment_main_t _fsm = { 0 }, *fsm = &_fsm; u8 *test_data = 0, *data_buf = 0; + fifo_segment_t *fs; svm_fifo_t *f; + u32 enq_chunk; + int i, rv; while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) { @@ -1582,404 +1760,214 @@ sfifo_test_fifo_shrink (vlib_main_t * vm, unformat_input_t * input) } /* - * Init fifo with multiple chunks + * Init fifo and enqueue data such that multiple 4096 chunks are allocated */ - f = fifo_prepare (fifo_size); - svm_fifo_init_pointers (f, 0, 0); - - prev = 0; - for (i = 0; i < 11; i++) - { - c = clib_mem_alloc (sizeof (svm_fifo_chunk_t) + chunk_size); - c->length = 100; - c->start_byte = ~0; - c->next = prev; - prev = c; - } + fs = fifo_segment_prepare (fsm, "fifo-shrink", 0); + f = fifo_prepare (fs, fifo_size); - svm_fifo_add_chunk (f, c); - SFIFO_TEST (f->size == 12 * chunk_size + 1, "size expected %u is %u", - 12 * chunk_size + 1, f->size); - - /* - * No fifo wrap and no chunk used (one chunk) - */ - rv = svm_fifo_reduce_size (f, chunk_size, 0); - SFIFO_TEST (rv == chunk_size, "len expected %u is %u", chunk_size, rv); - SFIFO_TEST (f->size == 12 * chunk_size + 1, "size expected %u is %u", - 12 * chunk_size + 1, f->size); - SFIFO_TEST (f->flags & SVM_FIFO_F_SHRINK, "shrink flag should be set"); - SFIFO_TEST (svm_fifo_is_sane (f), "fifo should be sane"); + fifo_size = 4 << 20; + svm_fifo_set_size (f, 4096); + validate_test_and_buf_vecs (&test_data, &data_buf, fifo_size); + enq_chunk = 1500; + rv = enqueue_packets_inc (f, fifo_size, enq_chunk, test_data); + SFIFO_TEST (!rv, "incremental packet enqueue should work"); - /* Check enqueue space to force size reduction */ - (void) svm_fifo_max_enqueue (f); - - SFIFO_TEST (f->size == 11 * chunk_size + 1, "size expected %u is %u", - 11 * chunk_size + 1, f->size); - SFIFO_TEST (f->flags & SVM_FIFO_F_COLLECT_CHUNKS, "collect flag should" - " be set"); - SFIFO_TEST (!(f->flags & SVM_FIFO_F_SHRINK), "shrink flag should not be" - " set"); + rv = svm_fifo_max_enqueue (f); + SFIFO_TEST (rv == 0, "enqueue space %u", rv); + SFIFO_TEST (svm_fifo_max_dequeue (f) == fifo_size, "max deq should be %u", + fifo_size); SFIFO_TEST (svm_fifo_is_sane (f), "fifo should be sane"); - collected = c = svm_fifo_collect_chunks (f); - rv = chunk_list_len (c); - SFIFO_TEST (rv == 1, "expected %u chunks got %u", 1, rv); - rv = chunk_list_len (f->start_chunk); - SFIFO_TEST (rv == 11, "expected %u chunks got %u", 11, rv); - SFIFO_TEST (!(f->flags & SVM_FIFO_F_COLLECT_CHUNKS), "collect flag should" - " not be set"); - SFIFO_TEST (svm_fifo_is_sane (f), "fifo should be sane"); + rv = svm_fifo_n_chunks (f); + SFIFO_TEST (rv == (fifo_size / 4096), "should have %u chunks has %u", + (fifo_size / 4096), rv); /* - * Fifo wrap and multiple chunks used + * Dequeue enough to collect one chunk */ + deq_chunk = 4096; + rv = svm_fifo_dequeue (f, deq_chunk, data_buf); + SFIFO_TEST (rv == deq_chunk, "should dequeue all data"); - /* Init test data and fifo */ - test_n_bytes = f->nitems; - vec_validate (test_data, test_n_bytes - 1); - vec_validate (data_buf, vec_len (test_data)); - - for (i = 0; i < vec_len (test_data); i++) - test_data[i] = i; - - svm_fifo_init_pointers (f, f->size / 2, f->size / 2); - for (i = 0; i < test_n_bytes; i++) - { - rv = svm_fifo_enqueue (f, sizeof (u8), &test_data[i]); - if (rv < 0) - SFIFO_TEST (0, "enqueue returned"); - } - - /* Try to reduce fifo size with fifo full */ - rv = svm_fifo_reduce_size (f, 3.5 * chunk_size, 0); - SFIFO_TEST (rv == 3 * chunk_size, "len expected %u is %u", 3 * chunk_size, - rv); - SFIFO_TEST (f->size == 11 * chunk_size + 1, "size expected %u is %u", - 11 * chunk_size + 1, f->size); - SFIFO_TEST (f->flags & SVM_FIFO_F_SHRINK, "shrink flag should be set"); + rv = svm_fifo_n_chunks (f); + SFIFO_TEST (rv == (fifo_size / 4096) - 1, "should have %u chunks has %u", + (fifo_size / 4096) - 1, rv); SFIFO_TEST (svm_fifo_is_sane (f), "fifo should be sane"); - /* Check enqueue space to try size reduction. Should not work */ rv = svm_fifo_max_enqueue (f); + SFIFO_TEST (rv == deq_chunk, "enqueue space %u", rv); - SFIFO_TEST (rv == 0, "free space expected %u is %u", 0, rv); - SFIFO_TEST (f->size == 11 * chunk_size + 1, "size expected %u is %u", - 11 * chunk_size + 1, f->size); - SFIFO_TEST (f->flags & SVM_FIFO_F_SHRINK, "shrink flag should be set"); - SFIFO_TEST (!(f->flags & SVM_FIFO_F_COLLECT_CHUNKS), "collect flag should" - " not be set"); - SFIFO_TEST (svm_fifo_is_sane (f), "fifo should be sane"); - - /* Dequeue byte-by-byte up to last byte on last chunk */ - deq_bytes = f->size - f->size / 2 - 1; - for (i = 0; i < deq_bytes; i++) - { - (void) svm_fifo_max_enqueue (f); - rv = svm_fifo_dequeue (f, 1, &data_buf[i]); - if (rv < 0) - SFIFO_TEST (0, "dequeue returned"); - } - SFIFO_TEST (svm_fifo_is_sane (f), "fifo should be sane"); + /* + * Dequeue ooo byte-by-byte remaining data + */ + rv = dequeue_ooo (f, data_buf + deq_chunk, fifo_size - deq_chunk, + fifo_size - deq_chunk); + SFIFO_TEST (!rv, "ooo deq should work %d", rv); - rv = svm_fifo_max_enqueue (f); + rv = compare_data (data_buf, test_data, 0, fifo_size, (u32 *) & i); + if (rv) + vlib_cli_output (vm, "[%d] dequeued %u expected %u", i, data_buf[i], + test_data[i]); - /* We've dequeued more than 3*chunk_size so nitems should be updated */ - SFIFO_TEST (f->nitems == 8 * chunk_size, "nitems expected %u is %u", - 8 * chunk_size, f->nitems); - /* Free space should be what was dequeued - 3 * chunk_size, which was - * consumed by shrinking the fifo */ - diff = deq_bytes - 3 * chunk_size; - SFIFO_TEST (rv == diff, "free space expected %u is %u", diff, rv); - SFIFO_TEST (f->size == 11 * chunk_size + 1, "size expected %u is %u", - 11 * chunk_size + 1, f->size); - SFIFO_TEST (f->flags & SVM_FIFO_F_SHRINK, "shrink flag should be set"); - SFIFO_TEST (!(f->flags & SVM_FIFO_F_COLLECT_CHUNKS), "collect flag should" - " not be set"); SFIFO_TEST (svm_fifo_is_sane (f), "fifo should be sane"); + rv = svm_fifo_n_chunks (f); + SFIFO_TEST (rv == (fifo_size / 4096) - 1, "should have %u chunks has %u", + (fifo_size / 4096) - 1, rv); - /* Dequeue one more such that head goes beyond last chunk */ - rv = svm_fifo_dequeue (f, 1, &data_buf[deq_bytes]); - if (rv < 0) - SFIFO_TEST (0, "dequeue returned"); - - rv = svm_fifo_max_enqueue (f); - SFIFO_TEST (f->nitems == 8 * chunk_size, "nitems expected %u is %u", - 8 * chunk_size, f->nitems); - SFIFO_TEST (rv == diff + 1, "free space expected %u is %u", diff + 1, rv); - SFIFO_TEST (f->size == 8 * chunk_size + 1, "size expected %u is %u", - 8 * chunk_size + 1, f->size); - SFIFO_TEST (!(f->flags & SVM_FIFO_F_SHRINK), "shrink flag should not be" - " set"); - SFIFO_TEST (f->flags & SVM_FIFO_F_COLLECT_CHUNKS, "collect flag should" - " be set"); + /* + * Drop all data + */ + rv = svm_fifo_dequeue_drop (f, fifo_size - deq_chunk); + SFIFO_TEST (rv == fifo_size - deq_chunk, "should drop all data"); SFIFO_TEST (svm_fifo_is_sane (f), "fifo should be sane"); - - /* Dequeue the rest of the data */ - deq_bytes += 1; - for (i = 0; i < test_n_bytes - deq_bytes; i++) - { - rv = svm_fifo_dequeue (f, 1, &data_buf[i + deq_bytes]); - if (rv < 0) - SFIFO_TEST (0, "dequeue returned"); - } - + rv = svm_fifo_n_chunks (f); + SFIFO_TEST (rv == 1, "should have %u chunks has %u", 1, rv); rv = svm_fifo_max_enqueue (f); + SFIFO_TEST (rv == fifo_size, "enqueue space %u", rv); - SFIFO_TEST (f->size == 8 * chunk_size + 1, "size expected %u is %u", - 8 * chunk_size + 1, f->size); - SFIFO_TEST (rv == 8 * chunk_size, "free space expected %u is %u", - 8 * chunk_size, rv); - - rv = compare_data (data_buf, test_data, 0, vec_len (test_data), - (u32 *) & i); - if (rv) - SFIFO_TEST (0, "[%d] dequeued %u expected %u", i, data_buf[i], - test_data[i]); - - c = svm_fifo_collect_chunks (f); - rv = chunk_list_len (c); - SFIFO_TEST (rv == 3, "expected %u chunks got %u", 3, rv); - rv = chunk_list_len (f->start_chunk); - SFIFO_TEST (rv == 8, "expected %u chunks got %u", 8, rv); - SFIFO_TEST (!(f->flags & SVM_FIFO_F_COLLECT_CHUNKS), "collect flag should" - " not be set"); - SFIFO_TEST (svm_fifo_is_sane (f), "fifo should be sane"); /* - * OOO segment on chunk that should be removed + * Reset size and enqueue ooo all data */ - - svm_fifo_add_chunk (f, c); - SFIFO_TEST (f->size == 11 * chunk_size + 1, "size expected %u is %u", - 11 * chunk_size + 1, f->size); - - memset (data_buf, 0, vec_len (data_buf)); - svm_fifo_init_pointers (f, f->size / 2, f->size / 2); - svm_fifo_enqueue (f, 200, test_data); - svm_fifo_enqueue_with_offset (f, 50, vec_len (test_data) - 250, - &test_data[250]); - SFIFO_TEST (svm_fifo_is_sane (f), "fifo should be sane"); - - /* Free space */ - rv = svm_fifo_max_enqueue (f); - SFIFO_TEST (rv == vec_len (test_data) - 200, "free space expected %u is %u", - vec_len (test_data) - 200, rv); + svm_fifo_set_size (f, 4096); + enq_chunk = deq_chunk = 1500; + rv = enqueue_ooo_packets (f, vec_len (test_data), 1500, test_data); + SFIFO_TEST (!rv, "enqueue ooo should work"); SFIFO_TEST (svm_fifo_is_sane (f), "fifo should be sane"); - /* Ask to reduce size */ - rv = svm_fifo_reduce_size (f, 3.5 * chunk_size, 0); - SFIFO_TEST (rv == 3 * chunk_size, "len expected %u is %u", 3 * chunk_size, - rv); - SFIFO_TEST (f->size == 11 * chunk_size + 1, "size expected %u is %u", - 11 * chunk_size + 1, f->size); - SFIFO_TEST (f->flags & SVM_FIFO_F_SHRINK, "shrink flag should be set"); - SFIFO_TEST (svm_fifo_is_sane (f), "fifo should be sane"); - - /* Try to force size reduction but it should fail */ - rv = svm_fifo_max_enqueue (f); + /* 1 additional chunk left from previous test */ + rv = svm_fifo_n_chunks (f); + SFIFO_TEST (rv == (fifo_size / 4096) + 1, "should have %u chunks has %u", + (fifo_size / 4096) + 1, rv); - SFIFO_TEST (rv == vec_len (test_data) - 200, "free space expected %u is %u", - vec_len (test_data) - 200, rv); - SFIFO_TEST (f->size == 11 * chunk_size + 1, "size expected %u is %u", - 11 * chunk_size + 1, f->size); - SFIFO_TEST (f->flags & SVM_FIFO_F_SHRINK, "shrink flag should be set"); - SFIFO_TEST (!(f->flags & SVM_FIFO_F_COLLECT_CHUNKS), "collect flag should" - " not be set"); + /* + * Add missing first chunk + */ + rv = svm_fifo_enqueue (f, enq_chunk, test_data); + SFIFO_TEST (rv == fifo_size, "enq should succeed %u", rv); SFIFO_TEST (svm_fifo_is_sane (f), "fifo should be sane"); + rv = svm_fifo_max_dequeue (f); + SFIFO_TEST (rv == fifo_size, "max deq should be %u is %u", fifo_size, rv); + rv = svm_fifo_n_chunks (f); + SFIFO_TEST (rv == (fifo_size / 4096) + 1, "should have %u chunks has %u", + (fifo_size / 4096) + 1, rv); - /* Dequeue the in order data. This should shrink nitems */ - rv = svm_fifo_dequeue (f, 200, data_buf); - if (rv < 0) - SFIFO_TEST (0, "dequeue returned"); + /* + * Dequeue as packets + */ + memset (data_buf, 0, vec_len (data_buf)); + rv = dequeue_packets (f, fifo_size, deq_chunk, data_buf); + SFIFO_TEST (!rv, "deq pkts should work %d", rv); - rv = svm_fifo_max_enqueue (f); - SFIFO_TEST (rv == vec_len (test_data) - 200, "free space expected %u is %u", - vec_len (test_data) - 200, rv); - SFIFO_TEST (f->size == 11 * chunk_size + 1, "size expected %u is %u", - 11 * chunk_size + 1, f->size); - SFIFO_TEST (f->nitems == 11 * chunk_size - 200, "nitems expected %u is %u", - 11 * chunk_size - 200, f->nitems); - SFIFO_TEST (f->flags & SVM_FIFO_F_SHRINK, "shrink flag should be set"); - SFIFO_TEST (!(f->flags & SVM_FIFO_F_COLLECT_CHUNKS), "collect flag should" - " not be set"); - SFIFO_TEST (svm_fifo_is_sane (f), "fifo should be sane"); + rv = compare_data (data_buf, test_data, 0, fifo_size, (u32 *) & i); + if (rv) + vlib_cli_output (vm, "[%d] dequeued %u expected %u", i, data_buf[i], + test_data[i]); - /* Enqueue the missing 50 bytes. Fifo will become full */ - rv = svm_fifo_enqueue (f, 50, &test_data[200]); - SFIFO_TEST (rv == vec_len (test_data) - 200, "free space expected %u is %u", - vec_len (test_data) - 200, rv); - SFIFO_TEST (svm_fifo_is_sane (f), "fifo should be sane"); + /* + * Enqueue and dequeue set of packets + */ + svm_fifo_set_size (f, 4096); + for (i = 0; i < 1000; i++) + { + rv = svm_fifo_enqueue (f, enq_chunk, test_data); + if (rv != enq_chunk) + SFIFO_TEST (0, "enq fail"); + rv = svm_fifo_dequeue (f, deq_chunk, data_buf); + if (rv != deq_chunk) + SFIFO_TEST (0, "deq fail"); + } - rv = svm_fifo_max_enqueue (f); + /* + * Cleanup + */ - SFIFO_TEST (rv == 0, "free space expected %u is %u", 0, rv); - SFIFO_TEST (f->size == 11 * chunk_size + 1, "size expected %u is %u", - 11 * chunk_size + 1, f->size); - SFIFO_TEST (f->flags & SVM_FIFO_F_SHRINK, "shrink flag should be set"); - SFIFO_TEST (!(f->flags & SVM_FIFO_F_COLLECT_CHUNKS), "collect flag should" - " not be set"); - SFIFO_TEST (svm_fifo_is_sane (f), "fifo should be sane"); + ft_fifo_free (fs, f); + ft_fifo_segment_free (fsm, fs); + vec_free (test_data); + vec_free (data_buf); + return 0; +} - /* Dequeue a chunk and check nitems shrink but fifo still full */ - svm_fifo_dequeue (f, 100, &data_buf[200]); +static int +sfifo_test_fifo_indirect (vlib_main_t * vm, unformat_input_t * input) +{ + int __clib_unused verbose = 0, fifo_size = 4096, deq_chunk; + fifo_segment_main_t _fsm = { 0 }, *fsm = &_fsm; + u8 *test_data = 0, *data_buf = 0; + svm_fifo_chunk_t *c; + fifo_segment_t *fs; + svm_fifo_t *f; + int rv; - rv = svm_fifo_max_enqueue (f); + 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; + } + } - SFIFO_TEST (rv == 0, "free space expected %u is %u", 0, rv); - SFIFO_TEST (f->size == 11 * chunk_size + 1, "size expected %u is %u", - 11 * chunk_size + 1, f->size); - SFIFO_TEST (f->nitems == 11 * chunk_size - 300, "nitems expected %u is %u", - 11 * chunk_size - 300, f->nitems); - SFIFO_TEST (f->flags & SVM_FIFO_F_SHRINK, "shrink flag should be set"); - SFIFO_TEST (!(f->flags & SVM_FIFO_F_COLLECT_CHUNKS), "collect flag should" - " not be set"); - SFIFO_TEST (svm_fifo_is_sane (f), "fifo should be sane"); + /* + * Init fifo and enqueue data such that multiple 4096 chunks are allocated + */ + fs = fifo_segment_prepare (fsm, "fifo-indirect", 0); + f = fifo_prepare (fs, fifo_size); - /* Dequeue enough to unwrap the fifo */ - deq_bytes = f->size - f->size / 2 - 300; - svm_fifo_dequeue (f, deq_bytes, &data_buf[300]); - rv = svm_fifo_max_enqueue (f); + fifo_size = 4 << 20; + svm_fifo_set_size (f, fifo_size); + validate_test_and_buf_vecs (&test_data, &data_buf, fifo_size); - /* Overall we've dequeued deq_bytes + 300, but fifo size shrunk 300 */ - SFIFO_TEST (rv == 300 + deq_bytes - 300, "free space expected %u is %u", - 300 + deq_bytes - 300, rv); - SFIFO_TEST (f->size == 8 * chunk_size + 1, "size expected %u is %u", - 8 * chunk_size + 1, f->size); - SFIFO_TEST (f->nitems == 8 * chunk_size, "nitems expected %u is %u", - 8 * chunk_size, f->nitems); - SFIFO_TEST (!(f->flags & SVM_FIFO_F_SHRINK), "shrink flag should not be" - " set"); - SFIFO_TEST (f->flags & SVM_FIFO_F_COLLECT_CHUNKS, "collect flag should" - " be set"); - SFIFO_TEST (svm_fifo_is_sane (f), "fifo should be sane"); + c = f->start_chunk; + SFIFO_TEST (c->next == 0, "no next"); - /* Dequeue the rest */ - svm_fifo_dequeue (f, test_n_bytes / 2, &data_buf[300 + deq_bytes]); - rv = compare_data (data_buf, test_data, 0, vec_len (test_data), - (u32 *) & i); - if (rv) - SFIFO_TEST (0, "[%d] dequeued %u expected %u", i, data_buf[i], - test_data[i]); - - c = svm_fifo_collect_chunks (f); - rv = chunk_list_len (c); - SFIFO_TEST (rv == 3, "expected %u chunks got %u", 3, rv); - rv = chunk_list_len (f->start_chunk); - SFIFO_TEST (rv == 8, "expected %u chunks got %u", 8, rv); - SFIFO_TEST (!(f->flags & SVM_FIFO_F_COLLECT_CHUNKS), "collect flag should" - " not be set"); - SFIFO_TEST (svm_fifo_is_sane (f), "fifo should be sane"); + svm_fifo_fill_chunk_list (f); + SFIFO_TEST (c->next != 0, "new chunk should've been allocated"); + SFIFO_TEST (c->next->length == 4 << 20, "new chunk should be 4MB"); - chunk_list_splice (collected, c); + rv = svm_fifo_max_write_chunk (f); + SFIFO_TEST (rv == 4096, "max write chunk %u", rv); /* - * Remove all chunks possible (1) - * - * Tail and head are in first chunk that is not removed - */ - svm_fifo_init_pointers (f, 600, 600); - rv = svm_fifo_reduce_size (f, 8 * chunk_size, 1); - SFIFO_TEST (rv == 7 * chunk_size, "actual len expected %u is %u", - 7 * chunk_size, rv); - SFIFO_TEST (f->size == 6 * chunk_size + 1, "size expected %u is %u", - 6 * chunk_size + 1, f->size); - SFIFO_TEST (f->nitems == 1 * chunk_size, "nitems expected %u is %u", - 1 * chunk_size, f->nitems); - SFIFO_TEST (f->flags & SVM_FIFO_F_SHRINK, "shrink flag should be set"); - SFIFO_TEST (!(f->flags & SVM_FIFO_F_COLLECT_CHUNKS), "collect flag should" - " not be set"); - SFIFO_TEST (svm_fifo_is_sane (f), "fifo should be sane"); - - rv = svm_fifo_max_enqueue (f); - SFIFO_TEST (rv == chunk_size, "free space expected %u is %u", chunk_size, - rv); + * Enqueue enough to fill first chunk + */ + svm_fifo_enqueue_nocopy (f, 4096); SFIFO_TEST (svm_fifo_is_sane (f), "fifo should be sane"); - /* Force head/tail to move to first chunk */ - svm_fifo_enqueue (f, 1, test_data); - svm_fifo_dequeue (f, 1, data_buf); - rv = svm_fifo_max_enqueue (f); - - SFIFO_TEST (rv == chunk_size, "free space expected %u is %u", chunk_size, - rv); - SFIFO_TEST (f->size == chunk_size + 1, "size expected %u is %u", - chunk_size + 1, f->size); - SFIFO_TEST (!(f->flags & SVM_FIFO_F_SHRINK), "shrink flag should not be" - " set"); - SFIFO_TEST (f->flags & SVM_FIFO_F_COLLECT_CHUNKS, "collect flag should" - " be set"); - SFIFO_TEST (svm_fifo_is_sane (f), "fifo should be sane"); + c = svm_fifo_tail_chunk (f); + SFIFO_TEST (c == f->end_chunk, "tail is end chunk"); - c = svm_fifo_collect_chunks (f); - rv = chunk_list_len (c); - SFIFO_TEST (rv == 7, "expected %u chunks got %u", 7, rv); - SFIFO_TEST (!(f->flags & SVM_FIFO_F_COLLECT_CHUNKS), "collect flag should" - " not be set"); - SFIFO_TEST (!(f->flags & SVM_FIFO_F_MULTI_CHUNK), "multi-chunk flag should" - " not be set"); + /* Initialize head chunk */ + rv = svm_fifo_max_read_chunk (f); + SFIFO_TEST (rv == 4096, "max read chunk %u", rv); SFIFO_TEST (svm_fifo_is_sane (f), "fifo should be sane"); - /* re-add chunks for next test */ - svm_fifo_add_chunk (f, c); - /* - * Remove all chunks possible (2) - * - * Tail and head are in the first chunk that should eventually be removed - */ - svm_fifo_init_pointers (f, 601, 601); - rv = svm_fifo_reduce_size (f, 8 * chunk_size, 1); - SFIFO_TEST (rv == 7 * chunk_size, "actual len expected %u is %u", - 7 * chunk_size, rv); - SFIFO_TEST (f->size == 7 * chunk_size + 1, "size expected %u is %u", - 7 * chunk_size + 1, f->size); - SFIFO_TEST (f->nitems == 1 * chunk_size, "nitems expected %u is %u", - 1 * chunk_size, f->nitems); - SFIFO_TEST (f->flags & SVM_FIFO_F_SHRINK, "shrink flag should be set"); - SFIFO_TEST (!(f->flags & SVM_FIFO_F_COLLECT_CHUNKS), "collect flag should" - " not be set"); - SFIFO_TEST (svm_fifo_is_sane (f), "fifo should be sane"); - - rv = svm_fifo_max_enqueue (f); - SFIFO_TEST (rv == chunk_size, "free space expected %u is %u", chunk_size, - rv); - SFIFO_TEST (svm_fifo_is_sane (f), "fifo should be sane"); - - /* Force head/tail to move to first chunk */ - svm_fifo_enqueue (f, chunk_size, test_data); - svm_fifo_dequeue (f, chunk_size, data_buf); - rv = svm_fifo_max_enqueue (f); + * Move head over last segment + */ + rv = svm_fifo_dequeue (f, 4096, data_buf); + SFIFO_TEST (rv == 4096, "dequeue should work"); - SFIFO_TEST (rv == chunk_size, "free space expected %u is %u", chunk_size, - rv); - SFIFO_TEST (f->size == chunk_size + 1, "size expected %u is %u", - chunk_size + 1, f->size); - SFIFO_TEST (!(f->flags & SVM_FIFO_F_SHRINK), "shrink flag should not be" - " set"); - SFIFO_TEST (f->flags & SVM_FIFO_F_COLLECT_CHUNKS, "collect flag should" - " be set"); - SFIFO_TEST (svm_fifo_is_sane (f), "fifo should be sane"); + c = svm_fifo_head_chunk (f); + SFIFO_TEST (c == f->end_chunk, "head chunk should be last"); - c = svm_fifo_collect_chunks (f); - rv = chunk_list_len (c); - SFIFO_TEST (rv == 7, "expected %u chunks got %u", 7, rv); - SFIFO_TEST (!(f->flags & SVM_FIFO_F_COLLECT_CHUNKS), "collect flag should" - " not be set"); - SFIFO_TEST (!(f->flags & SVM_FIFO_F_MULTI_CHUNK), "multi-chunk flag should" - " not be set"); - SFIFO_TEST (svm_fifo_is_sane (f), "fifo should be sane"); + rv = svm_fifo_max_read_chunk (f); + SFIFO_TEST (rv == 0, "max read chunk %u", rv); - chunk_list_splice (collected, c); + rv = svm_fifo_max_write_chunk (f); + SFIFO_TEST (rv == 4 << 20, "max write chunk %u", rv); /* * Cleanup */ - chunk_list_free (f->start_chunk->next, f->start_chunk); - chunk_list_free (collected, 0); - svm_fifo_free (f); + ft_fifo_free (fs, f); + ft_fifo_segment_free (fsm, fs); vec_free (test_data); vec_free (data_buf); @@ -2023,13 +2011,6 @@ sfifo_test_fifo_replay (vlib_main_t * vm, unformat_input_t * input) static fifo_segment_main_t segment_main; -static svm_fifo_t * -fifo_segment_alloc_fifo (fifo_segment_t * fs, u32 data_bytes, - fifo_segment_ftype_t ftype) -{ - return fifo_segment_alloc_fifo_w_slice (fs, 0, data_bytes, ftype); -} - static int sfifo_test_fifo_segment_hello_world (int verbose) { @@ -2084,6 +2065,7 @@ sfifo_test_fifo_segment_fifo_grow (int verbose) int rv, fifo_size = 4096, n_chunks, n_batch; fifo_segment_main_t *sm = &segment_main; fifo_segment_create_args_t _a, *a = &_a; + u8 *test_data = 0, *data_buf = 0; u32 n_free_chunk_bytes; fifo_segment_t *fs; svm_fifo_t *f; @@ -2101,7 +2083,7 @@ sfifo_test_fifo_segment_fifo_grow (int verbose) SFIFO_TEST (!rv, "svm_fifo_segment_create returned %d", rv); /* - * Alloc and grow fifo + * Alloc fifo */ fs = fifo_segment_get_segment (sm, a->new_segment_indices[0]); f = fifo_segment_alloc_fifo (fs, fifo_size, FIFO_SEGMENT_RX_FIFO); @@ -2115,10 +2097,14 @@ sfifo_test_fifo_segment_fifo_grow (int verbose) SFIFO_TEST (rv == (n_batch - 1) * fifo_size, "free chunk bytes %u " "expected %u", rv, (n_batch - 1) * fifo_size); - /* Grow by preallocated fifo_size chunk */ - fifo_segment_grow_fifo (fs, f, fifo_size); - SFIFO_TEST (f->size == 2 * fifo_size, "fifo size should be %u is %u", - 2 * fifo_size, f->size); + /* + * Grow fifo by preallocated fifo_size chunk + */ + svm_fifo_set_size (f, 2 * fifo_size); + validate_test_and_buf_vecs (&test_data, &data_buf, 2 * fifo_size); + + rv = svm_fifo_enqueue (f, vec_len (test_data), test_data); + SFIFO_TEST (rv == vec_len (test_data), "enq should succeed %u", rv); SFIFO_TEST (svm_fifo_is_sane (f), "fifo should be sane"); n_chunks = fifo_segment_num_free_chunks (fs, fifo_size); @@ -2133,9 +2119,13 @@ sfifo_test_fifo_segment_fifo_grow (int verbose) SFIFO_TEST (rv > 16 * fifo_size, "free bytes %u more than %u", rv, 16 * fifo_size); - fifo_segment_grow_fifo (fs, f, 16 * fifo_size); - SFIFO_TEST (f->size == 18 * fifo_size, "fifo size should be %u is %u", - 18 * fifo_size, f->size); + /* Force fifo growth */ + svm_fifo_set_size (f, svm_fifo_size (f) + 16 * fifo_size); + validate_test_and_buf_vecs (&test_data, &data_buf, svm_fifo_size (f)); + rv = svm_fifo_enqueue (f, vec_len (test_data), test_data); + + SFIFO_TEST (svm_fifo_size (f) == 18 * fifo_size, "fifo size should be %u " + "is %u", 18 * fifo_size, svm_fifo_size (f)); rv = fifo_segment_fl_chunk_bytes (fs); SFIFO_TEST (rv == (n_batch - 2) * fifo_size, "free chunk bytes %u " @@ -2164,12 +2154,21 @@ sfifo_test_fifo_segment_fifo_grow (int verbose) */ f = fifo_segment_alloc_fifo (fs, fifo_size, FIFO_SEGMENT_RX_FIFO); - fifo_segment_grow_fifo (fs, f, fifo_size); + /* Force chunk allocation */ + svm_fifo_set_size (f, svm_fifo_size (f) + fifo_size); + rv = svm_fifo_enqueue (f, svm_fifo_size (f), test_data); + + SFIFO_TEST (rv == svm_fifo_size (f), "enq should succeed %u", rv); + SFIFO_TEST (svm_fifo_is_sane (f), "fifo should be sane"); + n_chunks = fifo_segment_num_free_chunks (fs, fifo_size); SFIFO_TEST (n_chunks == n_batch - 2, "free 2^10B chunks should be %u is %u", n_batch - 2, n_chunks); - fifo_segment_grow_fifo (fs, f, 16 * fifo_size); + /* Grow and alloc 16 * fifo_size chunk */ + svm_fifo_set_size (f, svm_fifo_size (f) + 16 * fifo_size); + rv = svm_fifo_enqueue (f, svm_fifo_size (f), test_data); + n_chunks = fifo_segment_num_free_chunks (fs, 16 * fifo_size); SFIFO_TEST (n_chunks == 0, "free 2^14B chunks should be %u is %u", 0, n_chunks); @@ -2261,88 +2260,16 @@ sfifo_test_fifo_segment_fifo_grow (int verbose) * Allocate fifo and try to grow beyond available space */ f = fifo_segment_alloc_fifo (fs, fifo_size, FIFO_SEGMENT_RX_FIFO); - rv = fifo_segment_grow_fifo (fs, f, n_free_chunk_bytes); - - SFIFO_TEST (rv == -1, "grow should fail"); - - fifo_segment_free_fifo (fs, f); - - /* - * Cleanup - */ - fifo_segment_delete (sm, fs); - vec_free (a->new_segment_indices); - return 0; -} - -static int -sfifo_test_fifo_segment_fifo_shrink (int verbose) -{ - int i, rv, chunk_size = 4096, n_chunks, n_free; - fifo_segment_main_t *sm = &segment_main; - fifo_segment_create_args_t _a, *a = &_a; - fifo_segment_t *fs; - svm_fifo_t *f; - - clib_memset (a, 0, sizeof (*a)); - a->segment_name = "fifo-test1"; - a->segment_size = 256 << 10; - - rv = fifo_segment_create (sm, a); - SFIFO_TEST (!rv, "svm_fifo_segment_create returned %d", rv); - - /* - * Alloc and grow fifo - */ - fs = fifo_segment_get_segment (sm, a->new_segment_indices[0]); - f = fifo_segment_alloc_fifo (fs, chunk_size, FIFO_SEGMENT_RX_FIFO); - n_free = FIFO_SEGMENT_ALLOC_BATCH_SIZE - 1; - - SFIFO_TEST (f != 0, "svm_fifo_segment_alloc_fifo"); - - for (i = 0; i < 9; i++) - { - fifo_segment_grow_fifo (fs, f, chunk_size); - n_free -= 1; - if (f->size != (i + 2) * chunk_size) - SFIFO_TEST (0, "fifo size should be %u is %u", - (i + 2) * chunk_size, f->size); - } - - rv = svm_fifo_reduce_size (f, 3.5 * chunk_size, 1 /* is producer */ ); - SFIFO_TEST (rv == 3 * chunk_size, "len expected %u is %u", 3 * chunk_size, - rv); - - n_chunks = fifo_segment_num_free_chunks (fs, chunk_size); - SFIFO_TEST (n_chunks == n_free, "free chunks should be %u is %u", n_free, - n_chunks); - - fifo_segment_collect_fifo_chunks (fs, f); + /* Try to force fifo growth */ + svm_fifo_set_size (f, svm_fifo_size (f) + n_free_chunk_bytes); + validate_test_and_buf_vecs (&test_data, &data_buf, svm_fifo_size (f)); + rv = svm_fifo_enqueue (f, svm_fifo_size (f), test_data); - n_free += 3; - n_chunks = fifo_segment_num_free_chunks (fs, chunk_size); - SFIFO_TEST (n_chunks == n_free, "free chunks should be %u is %u", n_free, - n_chunks); - - rv = svm_fifo_reduce_size (f, 7 * chunk_size - 1, 1 /* is producer */ ); - SFIFO_TEST (rv == 6 * chunk_size, "len expected %u is %u", 6 * chunk_size, - rv); - - fifo_segment_collect_fifo_chunks (fs, f); + SFIFO_TEST (rv != svm_fifo_size (f), "grow should fail size %u wrote %d", + svm_fifo_size (f), rv); - n_free += 6; - n_chunks = fifo_segment_num_free_chunks (fs, chunk_size); - SFIFO_TEST (n_chunks == n_free, "free chunks should be %u is %u", n_free, - n_chunks); - /* - * Free - */ fifo_segment_free_fifo (fs, f); - n_free += 1; - n_chunks = fifo_segment_num_free_chunks (fs, ~0); - SFIFO_TEST (n_chunks == n_free, "free chunks should be %u is %u", n_free, - n_chunks); /* * Cleanup @@ -2666,11 +2593,6 @@ sfifo_test_fifo_segment (vlib_main_t * vm, unformat_input_t * input) if ((rv = sfifo_test_fifo_segment_fifo_grow (verbose))) return -1; } - else if (unformat (input, "shrink fifo")) - { - if ((rv = sfifo_test_fifo_segment_fifo_shrink (verbose))) - return -1; - } else if (unformat (input, "prealloc")) { if ((rv = sfifo_test_fifo_segment_prealloc (verbose))) @@ -2684,8 +2606,6 @@ sfifo_test_fifo_segment (vlib_main_t * vm, unformat_input_t * input) return -1; if ((rv = sfifo_test_fifo_segment_fifo_grow (verbose))) return -1; - if ((rv = sfifo_test_fifo_segment_fifo_shrink (verbose))) - return -1; if ((rv = sfifo_test_fifo_segment_prealloc (verbose))) return -1; /* Pretty slow so avoid running it always @@ -2735,6 +2655,8 @@ svm_fifo_test (vlib_main_t * vm, unformat_input_t * input, res = sfifo_test_fifo_grow (vm, input); else if (unformat (input, "shrink")) res = sfifo_test_fifo_shrink (vm, input); + else if (unformat (input, "indirect")) + res = sfifo_test_fifo_indirect (vm, input); else if (unformat (input, "segment")) res = sfifo_test_fifo_segment (vm, input); else if (unformat (input, "all")) @@ -2796,6 +2718,9 @@ svm_fifo_test (vlib_main_t * vm, unformat_input_t * input, if ((res = sfifo_test_fifo_shrink (vm, input))) goto done; + if ((res = sfifo_test_fifo_indirect (vm, input))) + goto done; + str = "all"; unformat_init_cstring (input, str); if ((res = sfifo_test_fifo_segment (vm, input))) |