*/
#include <svm/svm_fifo.h>
#include <vlib/vlib.h>
+#include <svm/svm_common.h>
#include <svm/fifo_segment.h>
#define SFIFO_TEST_I(_cond, _comment, _args...) \
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)
{
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)
{
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
/*
* 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++)
{
/*
* 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++)
{
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);
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
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++)
{
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;
}
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)
/*
* 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;
SFIFO_TEST (0, "[%d] peeked %u expected %u", j, data_buf[j],
data_pattern[j]);
}
- vec_reset_length (data_buf);
/*
* Dequeue or drop all data
}
else
{
+ memset (data_buf, 0, vec_len (data_pattern));
svm_fifo_dequeue (f, vec_len (data_pattern), data_buf);
if (compare_data
(data_buf, data_pattern, 0, vec_len (data_pattern), &j))
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);
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)
{
/*
* 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;
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]);
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;
}
static u32
fifo_pos (svm_fifo_t * f, u32 pos)
{
- return pos % f->size;
+ return pos;
}
/* Avoids exposing svm_fifo.c internal function */
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)
{
}
}
- 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);
/*
* 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]);
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;
}
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)
}
}
- 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));
/*
* 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);
*/
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;
}
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)
/*
* 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);
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");
*/
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;
}
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)
}
}
-
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);
}
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;
+ svm_fifo_chunk_t *c;
+ fifo_segment_t *fs;
svm_fifo_t *f;
- u32 old_tail;
while (unformat_check_input (input) != UNFORMAT_END_OF_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;
-
- svm_fifo_add_chunk (f, c);
-
- 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);
+ 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);
+
+ rv = svm_fifo_enqueue (f, fifo_size, test_data);
+
+ 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);
+ 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");
+
+ 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");
+
+ 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");
/*
- * Add N chunks
+ * Enqueue the first chunk
*/
- svm_fifo_init_pointers (f, f->nitems - 100, f->nitems + 100);
+ 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");
+
+ 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");
- 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;
- }
+ /*
+ * Peek and validate data
+ */
- svm_fifo_add_chunk (f, c);
- SFIFO_TEST (f->size == fifo_size + 200, "size expected %u is %u",
- fifo_size + 200, f->size);
+ 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);
- prev = 0;
- for (i = 0; i < 5; i++)
+ 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");
+
+ /*
+ * Peek in reverse order and validate data
+ *
+ * RB tree should be exercised
+ */
+
+ memset (data_buf, 0, vec_len (data_buf));
+ for (i = 10; i >= 0; i--)
{
- c = clib_mem_alloc (sizeof (svm_fifo_chunk_t) + 100);
- c->length = 100;
- c->start_byte = ~0;
- c->next = prev;
- prev = c;
+ 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");
}
- 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);
+ rv = compare_data (data_buf, test_data, 0, vec_len (test_data),
+ (u32 *) & i);
- 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);
+ 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");
+ /* Last chunk peeked is the first, so ooo_deq should be non zero */
+ SFIFO_TEST (f->ooo_deq != 0, "should have ooo deq chunk");
/*
- * Enqueue/dequeue tests
+ * Dequeue drop all bytes
*/
+ rv = svm_fifo_dequeue_drop (f, fifo_size);
+ SFIFO_TEST ((rv == fifo_size), "all bytes should be dropped %u", rv);
+ last_start_byte += 8192;
- 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;
+ 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 < vec_len (test_data); i++)
- test_data[i] = i;
+ /* 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);
/*
- * Enqueue/deq boundary conditions
+ * Increase size such that it can't be the sum of multiple chunk lengths
+ *
+ * A chunk of 16kB should be allocated
*/
- 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);
+ 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));
- 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);
+ /*
+ * Enqueue data ooo
+ */
+ 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");
+
+ 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");
- 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);
+ /*
+ * 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");
/*
- * Simple enqueue/deq and data validation (1)
+ * Dequeue just a part of data
*/
- svm_fifo_init_pointers (f, f->nitems / 2, f->nitems / 2);
- for (i = 0; i < test_n_bytes; i++)
- {
- rv = svm_fifo_enqueue (f, sizeof (u8), &test_data[i]);
- if (rv < 0)
- {
- clib_warning ("enqueue returned %d", rv);
- goto cleanup;
- }
- }
+ 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");
- SFIFO_TEST (svm_fifo_max_dequeue (f) == test_n_bytes, "max deq expected %u "
- "is %u", test_n_bytes, svm_fifo_max_dequeue (f));
+ /*
+ * Enqueue ooo as much data as it was dequeued
+ */
+ 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");
- for (i = 0; i < test_n_bytes; i++)
- svm_fifo_dequeue (f, 1, &data_buf[i]);
+ 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);
+
+ /*
+ * 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");
/*
- * Simple enqueue/deq and data validation (2)
+ * Enqueue and dequeue byte-by-byte ooo
*/
- 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;
- }
- }
- SFIFO_TEST (svm_fifo_max_dequeue (f) == test_n_bytes, "max deq expected %u "
- "is %u", test_n_bytes, svm_fifo_max_dequeue (f));
+ memset (data_buf, 0, vec_len (data_buf));
+
+ rv = enqueue_ooo (f, test_data, fifo_size, fifo_size);
+ SFIFO_TEST (!rv, "ooo enqueue should work %d", rv);
- 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);
/*
- * OOO enqueues/dequeues and data validation (1)
+ * Dequeue drop all bytes
*/
- 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 = svm_fifo_dequeue_drop (f, fifo_size);
+ SFIFO_TEST ((rv == fifo_size), "all bytes should be dropped %u", rv);
- SFIFO_TEST (svm_fifo_max_dequeue (f) == 0, "max deq expected %u is %u",
- 0, svm_fifo_max_dequeue (f));
+ 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");
- svm_fifo_enqueue (f, sizeof (u8), &test_data[0]);
+ /* 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");
+ /*
+ * 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));
- for (i = 0; i <= n_deqs; i++)
- svm_fifo_dequeue (f, deq_bytes, data_buf + i * deq_bytes);
+
+ rv = enqueue_packets_inc (f, fifo_size, enq_chunk, test_data);
+ SFIFO_TEST (!rv, "incremental packet enqueue should work");
+
+ 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");
+
+ 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 all
+ */
+ rv = svm_fifo_dequeue (f, fifo_size, data_buf);
+ 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 (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);
/*
- * OOO enqueues/dequeues and data validation (2)
+ * Cleanup
*/
- for (i = n_enqs; i > 0; i--)
+ 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 = 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)
{
- 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)
+ if (unformat (input, "verbose"))
+ verbose = 1;
+ else
{
- clib_warning ("enqueue returned %d", rv);
- goto cleanup;
+ vlib_cli_output (vm, "parse error: '%U'", format_unformat_error,
+ input);
+ return -1;
}
}
- svm_fifo_enqueue (f, enq_bytes, &test_data[0]);
+ /*
+ * Init fifo and enqueue data such that multiple 4096 chunks are allocated
+ */
+ fs = fifo_segment_prepare (fsm, "fifo-shrink", 0);
+ f = fifo_prepare (fs, fifo_size);
+
+ 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");
+
+ 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");
+
+ rv = svm_fifo_n_chunks (f);
+ SFIFO_TEST (rv == (fifo_size / 4096), "should have %u chunks has %u",
+ (fifo_size / 4096), rv);
+
+ /*
+ * 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");
+
+ 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");
+
+ rv = svm_fifo_max_enqueue (f);
+ SFIFO_TEST (rv == deq_chunk, "enqueue space %u", rv);
+
+ /*
+ * 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 = 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]);
+
+ 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);
+ /*
+ * 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");
+ 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);
+
+
+ /*
+ * Reset size and enqueue ooo all data
+ */
+ 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");
+
+ /* 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);
+
+ /*
+ * 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 as packets
+ */
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 = dequeue_packets (f, fifo_size, deq_chunk, data_buf);
+ SFIFO_TEST (!rv, "deq pkts should work %d", rv);
- rv = compare_data (data_buf, test_data, 0, vec_len (test_data),
- (u32 *) & j);
+ 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]);
- 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]);
+
+ /*
+ * 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");
+ }
/*
* Cleanup
*/
-cleanup:
+ ft_fifo_free (fs, f);
+ ft_fifo_segment_free (fsm, fs);
+ vec_free (test_data);
+ vec_free (data_buf);
+
+ return 0;
+}
- c = f->start_chunk->next;
- while (c && c != f->start_chunk)
+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;
+
+ while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
{
- next = c->next;
- clib_mem_free (c);
- c = next;
+ if (unformat (input, "verbose"))
+ verbose = 1;
+ else
+ {
+ vlib_cli_output (vm, "parse error: '%U'", format_unformat_error,
+ input);
+ return -1;
+ }
}
- svm_fifo_free (f);
+ /*
+ * 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);
+
+ fifo_size = 4 << 20;
+ svm_fifo_set_size (f, fifo_size);
+ validate_test_and_buf_vecs (&test_data, &data_buf, fifo_size);
+
+ c = f->start_chunk;
+ SFIFO_TEST (c->next == 0, "no next");
+
+ 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");
+
+ rv = svm_fifo_max_write_chunk (f);
+ SFIFO_TEST (rv == 4096, "max write chunk %u", rv);
+
+ /*
+ * Enqueue enough to fill first chunk
+ */
+ svm_fifo_enqueue_nocopy (f, 4096);
+ 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");
+
+ /* 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");
+
+ /*
+ * Move head over last segment
+ */
+ rv = svm_fifo_dequeue (f, 4096, data_buf);
+ SFIFO_TEST (rv == 4096, "dequeue should work");
+
+ c = svm_fifo_head_chunk (f);
+ SFIFO_TEST (c == f->end_chunk, "head chunk should be last");
+
+ rv = svm_fifo_max_read_chunk (f);
+ SFIFO_TEST (rv == 0, "max read chunk %u", rv);
+
+ rv = svm_fifo_max_write_chunk (f);
+ SFIFO_TEST (rv == 4 << 20, "max write chunk %u", rv);
+
+ /*
+ * Cleanup
+ */
+ ft_fifo_free (fs, f);
+ ft_fifo_segment_free (fsm, fs);
+ vec_free (test_data);
vec_free (data_buf);
+
return 0;
}
a->segment_size = 256 << 10;
rv = fifo_segment_create (sm, a);
-
SFIFO_TEST (!rv, "svm_fifo_segment_create returned %d", rv);
fs = fifo_segment_get_segment (sm, a->new_segment_indices[0]);
static int
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;
- int rv, fifo_size = 4096, n_chunks;
+ u8 *test_data = 0, *data_buf = 0;
+ u32 n_free_chunk_bytes;
fifo_segment_t *fs;
svm_fifo_t *f;
clib_memset (a, 0, sizeof (*a));
a->segment_name = "fifo-test1";
+ /* size chosen to be able to force multi chunk allocation lower */
a->segment_size = 256 << 10;
+ /* fifo allocation allocates chunks in batch */
+ n_batch = FIFO_SEGMENT_ALLOC_BATCH_SIZE;
+
rv = fifo_segment_create (sm, a);
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]);
+ fs->h->pct_first_alloc = 100;
f = fifo_segment_alloc_fifo (fs, fifo_size, FIFO_SEGMENT_RX_FIFO);
SFIFO_TEST (f != 0, "svm_fifo_segment_alloc_fifo");
- 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);
+ n_chunks = fifo_segment_num_free_chunks (fs, fifo_size);
+ SFIFO_TEST (n_chunks == n_batch - 1, "free 2^10B chunks "
+ "should be %u is %u", n_batch - 1, n_chunks);
+ rv = fifo_segment_fl_chunk_bytes (fs);
+ SFIFO_TEST (rv == (n_batch - 1) * fifo_size, "free chunk bytes %u "
+ "expected %u", rv, (n_batch - 1) * fifo_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);
+ SFIFO_TEST (n_chunks == n_batch - 2, "free 2^10B chunks "
+ "should be %u is %u", n_batch - 2, n_chunks);
+ rv = fifo_segment_fl_chunk_bytes (fs);
+ SFIFO_TEST (rv == (n_batch - 2) * fifo_size, "free chunk bytes %u "
+ "expected %u", rv, (n_batch - 2) * fifo_size);
+
+ /* Grow by a size not preallocated but first make sure there's space */
+ rv = fifo_segment_free_bytes (fs);
+ SFIFO_TEST (rv > 16 * fifo_size, "free bytes %u more than %u", rv,
+ 16 * fifo_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);
- 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);
+ 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 "
+ "expected %u", rv, (n_batch - 2) * fifo_size);
/*
* Free and test free list size
*/
fifo_segment_free_fifo (fs, f);
+ rv = fifo_segment_fl_chunk_bytes (fs);
+ SFIFO_TEST (rv == (16 + n_batch) * fifo_size, "free chunk bytes expected %u"
+ " is %u", (16 + n_batch) * fifo_size, rv);
n_chunks = fifo_segment_num_free_chunks (fs, fifo_size);
- SFIFO_TEST (n_chunks == 1, "free 2^10B chunks should be %u is %u", 1,
- n_chunks);
+ SFIFO_TEST (n_chunks == n_batch, "free 2^10B chunks "
+ "should be %u is %u", n_batch, n_chunks);
n_chunks = fifo_segment_num_free_chunks (fs, 16 * fifo_size);
SFIFO_TEST (n_chunks == 1, "free 2^14B chunks should be %u is %u", 1,
n_chunks);
n_chunks = fifo_segment_num_free_chunks (fs, ~0);
- SFIFO_TEST (n_chunks == 2, "free chunks should be %u is %u", 2, n_chunks);
+ SFIFO_TEST (n_chunks == 1 + n_batch, "free chunks should be %u is %u",
+ 1 + n_batch, n_chunks);
/*
* Realloc fifo
*/
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 == 0, "free 2^10B chunks should be %u is %u", 0,
- n_chunks);
+ SFIFO_TEST (n_chunks == n_batch - 2, "free 2^10B chunks should be %u is %u",
+ n_batch - 2, n_chunks);
+
+ /* 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);
- fifo_segment_grow_fifo (fs, f, 16 * fifo_size);
+ 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);
n_chunks = fifo_segment_num_free_chunks (fs, ~0);
- SFIFO_TEST (n_chunks == 0, "free chunks should be %u is %u", 0, n_chunks);
+ SFIFO_TEST (n_chunks == n_batch - 2, "free chunks should be %u is %u",
+ n_batch - 2, n_chunks);
/*
* Free again
*/
fifo_segment_free_fifo (fs, f);
n_chunks = fifo_segment_num_free_chunks (fs, ~0);
- SFIFO_TEST (n_chunks == 2, "free chunks should be %u is %u", 2, n_chunks);
+ SFIFO_TEST (n_chunks == 1 + n_batch, "free chunks should be %u is %u",
+ 1 + n_batch, n_chunks);
+
+ rv = fifo_segment_fl_chunk_bytes (fs);
+ SFIFO_TEST (rv == (16 + n_batch) * fifo_size, "free chunk bytes expected %u"
+ " is %u", (16 + n_batch) * fifo_size, rv);
+
+ n_free_chunk_bytes = rv;
+
+ /*
+ * Allocate non power of 2 fifo/chunk and check that free chunk bytes
+ * is correctly updated
+ */
+
+ f = fifo_segment_alloc_fifo (fs, 16 * fifo_size - 1, FIFO_SEGMENT_RX_FIFO);
+ rv = fifo_segment_fl_chunk_bytes (fs);
+
+ SFIFO_TEST (n_free_chunk_bytes - 16 * fifo_size == rv, "free chunk bytes "
+ "expected %u is %u", n_free_chunk_bytes - 16 * fifo_size, rv);
+ SFIFO_TEST (svm_fifo_is_sane (f), "fifo should be sane");
+
+ fifo_segment_free_fifo (fs, f);
+ rv = fifo_segment_fl_chunk_bytes (fs);
+
+ SFIFO_TEST (n_free_chunk_bytes == rv, "free chunk bytes expected %u is %u",
+ n_free_chunk_bytes, rv);
+
+ /*
+ * Force multi chunk fifo allocation
+ */
+
+ /* Check that we can force multi chunk allocation. Note that fifo size
+ * rounded up to power of 2, i.e., 17 becomes 32 */
+ rv = fifo_segment_free_bytes (fs);
+ SFIFO_TEST (rv < 32 * fifo_size, "free bytes %u less than %u", rv,
+ 32 * fifo_size);
+
+ f = fifo_segment_alloc_fifo (fs, 17 * fifo_size, FIFO_SEGMENT_RX_FIFO);
+ SFIFO_TEST (svm_fifo_is_sane (f), "fifo should be sane");
+
+ rv = fifo_segment_fl_chunk_bytes (fs);
+
+ /* Make sure that the non-power of two chunk freed above is correctly
+ * accounted for in the chunk free bytes reduction due to chunk allocation
+ * for the fifo, i.e., it's rounded up by 1 */
+ SFIFO_TEST (n_free_chunk_bytes - 17 * fifo_size == rv, "free chunk bytes "
+ "expected %u is %u", n_free_chunk_bytes - 17 * fifo_size, rv);
+
+ fifo_segment_free_fifo (fs, f);
+
+ rv = fifo_segment_fl_chunk_bytes (fs);
+ SFIFO_TEST (n_free_chunk_bytes == rv, "free chunk bytes expected %u is %u",
+ n_free_chunk_bytes, rv);
+
+ /*
+ * Allocate fifo that has all chunks
+ */
+ f = fifo_segment_alloc_fifo (fs, n_free_chunk_bytes, FIFO_SEGMENT_RX_FIFO);
+ SFIFO_TEST (f != 0, "allocation should work");
+ SFIFO_TEST (svm_fifo_is_sane (f), "fifo should be sane");
+
+ fifo_segment_free_fifo (fs, f);
+
+ rv = fifo_segment_fl_chunk_bytes (fs);
+ SFIFO_TEST (n_free_chunk_bytes == rv, "free chunk bytes expected %u is %u",
+ n_free_chunk_bytes, rv);
+
+ /*
+ * Try to allocate more than space available
+ */
+
+ f = fifo_segment_alloc_fifo (fs, n_free_chunk_bytes + fifo_size,
+ FIFO_SEGMENT_RX_FIFO);
+ SFIFO_TEST (f == 0, "allocation should fail");
+
+ /*
+ * Allocate fifo and try to grow beyond available space
+ */
+ f = fifo_segment_alloc_fifo (fs, fifo_size, FIFO_SEGMENT_RX_FIFO);
+
+ /* 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);
+
+ SFIFO_TEST (rv != svm_fifo_size (f), "grow should fail size %u wrote %d",
+ svm_fifo_size (f), rv);
+
+ fifo_segment_free_fifo (fs, f);
/*
* Cleanup
fifo_segment_create_args_t _a, *a = &_a;
fifo_segment_main_t *sm = &segment_main;
u8 *test_data, *retrieved_data = 0;
- fifo_segment_t *sp;
- fifo_segment_header_t *fsh;
- ssvm_shared_header_t *sh;
+ fifo_segment_t *fs;
svm_fifo_t *f;
u32 *result;
int rv, i;
SFIFO_TEST (!rv, "svm_fifo_segment_attach returned %d", rv);
- sp = fifo_segment_get_segment (sm, a->new_segment_indices[0]);
+ fs = fifo_segment_get_segment (sm, a->new_segment_indices[0]);
vec_free (a->new_segment_indices);
- sh = sp->ssvm.sh;
- fsh = (fifo_segment_header_t *) sh->opaque[0];
/* might wanna wait.. */
- f = fsh->fifos;
+ f = fifo_segment_get_slice_fifo_list (fs, 0);
/* Lazy bastards united */
test_data = format (0, "Hello world%c", 0);
return 0;
}
+static int
+sfifo_test_fifo_segment_prealloc (int verbose)
+{
+ fifo_segment_create_args_t _a, *a = &_a;
+ fifo_segment_main_t *sm = &segment_main;
+ u32 max_pairs, pairs_req, free_space, pair_mem;
+ svm_fifo_t *f, *old;
+ fifo_segment_t *fs;
+ int rv, alloc;
+
+ clib_memset (a, 0, sizeof (*a));
+
+ a->segment_name = "fifo-test-prealloc";
+ a->segment_size = 256 << 10;
+ a->segment_type = SSVM_SEGMENT_MEMFD;
+
+ rv = fifo_segment_create (sm, a);
+ SFIFO_TEST (!rv, "svm_fifo_segment_create returned %d", rv);
+ fs = fifo_segment_get_segment (sm, a->new_segment_indices[0]);
+ fs->h->pct_first_alloc = 100;
+
+ /*
+ * Prealloc chunks and headers
+ */
+ free_space = fifo_segment_free_bytes (fs);
+ SFIFO_TEST (free_space <= 256 << 10, "free space expected %u is %u",
+ 256 << 10, free_space);
+ rv = fifo_segment_prealloc_fifo_chunks (fs, 0, 4096, 50);
+ SFIFO_TEST (rv == 0, "chunk prealloc should work");
+ rv = fifo_segment_num_free_chunks (fs, 4096);
+ SFIFO_TEST (rv == 50, "prealloc chunks expected %u is %u", 50, rv);
+ rv = fifo_segment_free_bytes (fs);
+ free_space -= (sizeof (svm_fifo_chunk_t) + 4096) * 50;
+ SFIFO_TEST (rv == free_space, "free space expected %u is %u", free_space,
+ rv);
+ rv = fifo_segment_fl_chunk_bytes (fs);
+ SFIFO_TEST (rv == 4096 * 50, "chunk free space expected %u is %u",
+ 4096 * 50, rv);
+
+ rv = fifo_segment_prealloc_fifo_hdrs (fs, 0, 50);
+ SFIFO_TEST (rv == 0, "fifo hdr prealloc should work");
+ rv = fifo_segment_num_free_fifos (fs);
+ SFIFO_TEST (rv == 50, "prealloc fifo hdrs expected %u is %u", 50, rv);
+ rv = fifo_segment_free_bytes (fs);
+ free_space -= sizeof (svm_fifo_t) * 50;
+ SFIFO_TEST (rv == free_space, "free space expected %u is %u", free_space,
+ rv);
+
+ fifo_segment_update_free_bytes (fs);
+ rv = fifo_segment_free_bytes (fs);
+ SFIFO_TEST (clib_abs (rv - (int) free_space) < 512,
+ "free space expected %u is %u", free_space, rv);
+
+ f = fifo_segment_alloc_fifo (fs, 200 << 10, FIFO_SEGMENT_RX_FIFO);
+ SFIFO_TEST (f != 0, "fifo allocated");
+ rv = fifo_segment_num_free_chunks (fs, 4096);
+ SFIFO_TEST (rv == 0, "prealloc chunks expected %u is %u", 0, rv);
+ rv = fifo_segment_fl_chunk_bytes (fs);
+ SFIFO_TEST (rv == 0, "chunk free space expected %u is %u", 0, rv);
+ SFIFO_TEST (svm_fifo_is_sane (f), "fifo should be sane");
+
+ /*
+ * Multiple preallocs that consume the remaining space
+ */
+ fifo_segment_update_free_bytes (fs);
+ free_space = fifo_segment_free_bytes (fs);
+ pair_mem = 2 * (4096 + sizeof (*f) + sizeof (svm_fifo_chunk_t));
+ max_pairs = pairs_req = (free_space / pair_mem) - 1;
+ fifo_segment_preallocate_fifo_pairs (fs, 4096, 4096, &pairs_req);
+ SFIFO_TEST (pairs_req == 0, "prealloc pairs should work req %u", max_pairs);
+ rv = fifo_segment_num_free_chunks (fs, 4096);
+ SFIFO_TEST (rv == max_pairs * 2, "prealloc chunks expected %u is %u",
+ max_pairs * 2, rv);
+
+ fifo_segment_update_free_bytes (fs);
+ rv = fifo_segment_free_bytes (fs);
+ SFIFO_TEST (rv < 2 * pair_mem, "free bytes %u less than %u", rv,
+ 2 * pair_mem);
+
+ /* Preallocate as many more chunks as possible. Heap is almost full
+ * so we may not use all the free space*/
+ alloc = 0;
+ while (!fifo_segment_prealloc_fifo_chunks (fs, 0, 4096, 1))
+ alloc++;
+ SFIFO_TEST (alloc, "chunk prealloc should work %u", alloc);
+ rv = fifo_segment_num_free_chunks (fs, 4096);
+ SFIFO_TEST (rv == max_pairs * 2 + alloc, "prealloc chunks expected %u "
+ "is %u", max_pairs * 2 + alloc, rv);
+
+ rv = fifo_segment_free_bytes (fs);
+ SFIFO_TEST (rv < pair_mem, "free bytes expected less than %u is %u",
+ pair_mem, rv);
+
+ /*
+ * Test negative prealloc cases
+ */
+ pairs_req = 1;
+ fifo_segment_preallocate_fifo_pairs (fs, 4096, 4096, &pairs_req);
+ SFIFO_TEST (pairs_req == 1, "prealloc pairs should not work");
+
+ old = f;
+ f = fifo_segment_alloc_fifo (fs, 200 << 10, FIFO_SEGMENT_RX_FIFO);
+ SFIFO_TEST (f == 0, "fifo alloc should fail");
+
+ rv = fifo_segment_prealloc_fifo_chunks (fs, 0, 4096, 50);
+ SFIFO_TEST (rv == -1, "chunk prealloc should fail");
+
+ rv = fifo_segment_prealloc_fifo_hdrs (fs, 0, 50);
+ SFIFO_TEST (rv == -1, "fifo hdr prealloc should fail");
+
+ /*
+ * Cleanup
+ */
+ fifo_segment_free_fifo (fs, old);
+ close (fs->ssvm.fd);
+ fifo_segment_delete (sm, fs);
+ return 0;
+}
+
static int
sfifo_test_fifo_segment (vlib_main_t * vm, unformat_input_t * input)
{
int rv, verbose = 0;
+ fifo_segment_main_init (&segment_main, HIGH_SEGMENT_BASEVA, 5);
while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
{
if (unformat (input, "verbose"))
if ((rv = sfifo_test_fifo_segment_fifo_grow (verbose)))
return -1;
}
+ else if (unformat (input, "prealloc"))
+ {
+ if ((rv = sfifo_test_fifo_segment_prealloc (verbose)))
+ return -1;
+ }
else if (unformat (input, "all"))
{
if ((rv = sfifo_test_fifo_segment_hello_world (verbose)))
return -1;
if ((rv = sfifo_test_fifo_segment_fifo_grow (verbose)))
return -1;
+ if ((rv = sfifo_test_fifo_segment_prealloc (verbose)))
+ return -1;
/* Pretty slow so avoid running it always
if ((rv = sfifo_test_fifo_segment_master_slave (verbose)))
return -1;
int res = 0;
char *str;
+
while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
{
if (unformat (input, "fifo1"))
res = sfifo_test_fifo_replay (vm, input);
else if (unformat (input, "grow"))
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"))
if ((res = sfifo_test_fifo_grow (vm, input)))
goto done;
+ 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)))
Code Review / vpp.git / blobdiff