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/*
* Copyright (c) 2016 Cisco and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "svm_fifo_segment.h"
clib_error_t *
hello_world (int verbose)
{
svm_fifo_segment_create_args_t _a, *a = &_a;
svm_fifo_segment_private_t *sp;
svm_fifo_t *f;
int rv;
u8 *test_data;
u8 *retrieved_data = 0;
clib_error_t *error = 0;
memset (a, 0, sizeof (*a));
a->segment_name = "fifo-test1";
a->segment_size = 256 << 10;
a->rx_fifo_size = 4096;
a->tx_fifo_size = 4096;
a->preallocated_fifo_pairs = 4;
rv = svm_fifo_segment_create (a);
if (rv)
return clib_error_return (0, "svm_fifo_segment_create returned %d", rv);
sp = svm_fifo_get_segment (a->new_segment_indices[0]);
f = svm_fifo_segment_alloc_fifo (sp, 4096, FIFO_SEGMENT_RX_FREELIST);
if (f == 0)
return clib_error_return (0, "svm_fifo_segment_alloc_fifo failed");
test_data = format (0, "Hello world%c", 0);
vec_validate (retrieved_data, vec_len (test_data) - 1);
while (svm_fifo_max_enqueue (f) >= vec_len (test_data))
svm_fifo_enqueue_nowait (f, vec_len (test_data), test_data);
while (svm_fifo_max_dequeue (f) >= vec_len (test_data))
svm_fifo_dequeue_nowait (f, vec_len (retrieved_data), retrieved_data);
while (svm_fifo_max_enqueue (f) >= vec_len (test_data))
svm_fifo_enqueue_nowait (f, vec_len (test_data), test_data);
while (svm_fifo_max_dequeue (f) >= vec_len (test_data))
svm_fifo_dequeue_nowait (f, vec_len (retrieved_data), retrieved_data);
if (!memcmp (retrieved_data, test_data, vec_len (test_data)))
error = clib_error_return (0, "data test OK, got '%s'", retrieved_data);
else
error = clib_error_return (0, "data test FAIL!");
svm_fifo_segment_free_fifo (sp, f, FIFO_SEGMENT_RX_FREELIST);
return error;
}
clib_error_t *
master (int verbose)
{
svm_fifo_segment_create_args_t _a, *a = &_a;
svm_fifo_segment_private_t *sp;
svm_fifo_t *f;
int rv;
u8 *test_data;
u8 *retrieved_data = 0;
int i;
memset (a, 0, sizeof (*a));
a->segment_name = "fifo-test1";
a->segment_size = 256 << 10;
rv = svm_fifo_segment_create (a);
if (rv)
return clib_error_return (0, "svm_fifo_segment_create returned %d", rv);
sp = svm_fifo_get_segment (a->new_segment_indices[0]);
f = svm_fifo_segment_alloc_fifo (sp, 4096, FIFO_SEGMENT_RX_FREELIST);
if (f == 0)
return clib_error_return (0, "svm_fifo_segment_alloc_fifo failed");
test_data = format (0, "Hello world%c", 0);
vec_validate (retrieved_data, vec_len (test_data) - 1);
for (i = 0; i < 1000; i++)
svm_fifo_enqueue_nowait (f, vec_len (test_data), test_data);
return clib_error_return (0, "master (enqueue) done");
}
clib_error_t *
mempig (int verbose)
{
svm_fifo_segment_create_args_t _a, *a = &_a;
svm_fifo_segment_private_t *sp;
svm_fifo_t *f;
svm_fifo_t **flist = 0;
int rv;
int i;
memset (a, 0, sizeof (*a));
a->segment_name = "fifo-test1";
a->segment_size = 256 << 10;
rv = svm_fifo_segment_create (a);
if (rv)
return clib_error_return (0, "svm_fifo_segment_create returned %d", rv);
sp = svm_fifo_get_segment (a->new_segment_indices[0]);
for (i = 0; i < 1000; i++)
{
f = svm_fifo_segment_alloc_fifo (sp, 4096, FIFO_SEGMENT_RX_FREELIST);
if (f == 0)
break;
vec_add1 (flist, f);
}
fformat (stdout, "Try #1: created %d fifos...\n", vec_len (flist));
for (i = 0; i < vec_len (flist); i++)
{
f = flist[i];
svm_fifo_segment_free_fifo (sp, f, FIFO_SEGMENT_RX_FREELIST);
}
_vec_len (flist) = 0;
for (i = 0; i < 1000; i++)
{
f = svm_fifo_segment_alloc_fifo (sp, 4096, FIFO_SEGMENT_RX_FREELIST);
if (f == 0)
break;
vec_add1 (flist, f);
}
fformat (stdout, "Try #2: created %d fifos...\n", vec_len (flist));
for (i = 0; i < vec_len (flist); i++)
{
f = flist[i];
svm_fifo_segment_free_fifo (sp, f, FIFO_SEGMENT_RX_FREELIST);
}
return 0;
}
clib_error_t *
offset (int verbose)
{
svm_fifo_segment_create_args_t _a, *a = &_a;
svm_fifo_segment_private_t *sp;
svm_fifo_t *f;
int rv;
u32 *test_data = 0;
u32 *recovered_data = 0;
int i;
memset (a, 0, sizeof (*a));
a->segment_name = "fifo-test1";
a->segment_size = 256 << 10;
rv = svm_fifo_segment_create (a);
if (rv)
return clib_error_return (0, "svm_fifo_segment_create returned %d", rv);
sp = svm_fifo_get_segment (a->new_segment_indices[0]);
f = svm_fifo_segment_alloc_fifo (sp, 200 << 10, FIFO_SEGMENT_RX_FREELIST);
if (f == 0)
return clib_error_return (0, "svm_fifo_segment_alloc_fifo failed");
for (i = 0; i < (3 * 1024); i++)
vec_add1 (test_data, i);
/* Enqueue the first 1024 u32's */
svm_fifo_enqueue_nowait (f, 4096 /* bytes to enqueue */ ,
(u8 *) test_data);
/* Enqueue the third 1024 u32's 2048 ahead of the current tail */
svm_fifo_enqueue_with_offset (f, 4096, 4096, (u8 *) & test_data[2048]);
/* Enqueue the second 1024 u32's at the current tail */
svm_fifo_enqueue_nowait (f, 4096 /* bytes to enqueue */ ,
(u8 *) & test_data[1024]);
vec_validate (recovered_data, (3 * 1024) - 1);
svm_fifo_dequeue_nowait (f, 3 * 4096, (u8 *) recovered_data);
for (i = 0; i < (3 * 1024); i++)
{
if (recovered_data[i] != test_data[i])
{
clib_warning ("[%d] expected %d recovered %d", i,
test_data[i], recovered_data[i]);
return clib_error_return (0, "offset test FAILED");
}
}
return clib_error_return (0, "offset test OK");
}
clib_error_t *
slave (int verbose)
{
svm_fifo_segment_create_args_t _a, *a = &_a;
svm_fifo_segment_private_t *sp;
svm_fifo_t *f;
ssvm_shared_header_t *sh;
svm_fifo_segment_header_t *fsh;
int rv;
u8 *test_data;
u8 *retrieved_data = 0;
int i;
memset (a, 0, sizeof (*a));
a->segment_name = "fifo-test1";
rv = svm_fifo_segment_attach (a);
if (rv)
return clib_error_return (0, "svm_fifo_segment_attach returned %d", rv);
sp = svm_fifo_get_segment (a->new_segment_indices[0]);
sh = sp->ssvm.sh;
fsh = (svm_fifo_segment_header_t *) sh->opaque[0];
/* might wanna wait.. */
f = fsh->fifos;
/* Lazy bastards united */
test_data = format (0, "Hello world%c", 0);
vec_validate (retrieved_data, vec_len (test_data) - 1);
for (i = 0; i < 1000; i++)
{
svm_fifo_dequeue_nowait (f, vec_len (retrieved_data), retrieved_data);
if (memcmp (retrieved_data, test_data, vec_len (retrieved_data)))
return clib_error_return (0, "retrieved data incorrect, '%s'",
retrieved_data);
}
return clib_error_return (0, "slave (dequeue) done");
}
int
test_ssvm_fifo1 (unformat_input_t * input)
{
clib_error_t *error = 0;
int verbose = 0;
int test_id = 0;
svm_fifo_segment_init (0x200000000ULL, 20);
while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
{
if (unformat (input, "verbose %d", &verbose))
;
else if (unformat (input, "verbose"))
verbose = 1;
else if (unformat (input, "master"))
test_id = 1;
else if (unformat (input, "slave"))
test_id = 2;
else if (unformat (input, "mempig"))
test_id = 3;
else if (unformat (input, "offset"))
test_id = 4;
else
{
error = clib_error_create ("unknown input `%U'\n",
format_unformat_error, input);
goto out;
}
}
switch (test_id)
{
case 0:
error = hello_world (verbose);
break;
case 1:
error = master (verbose);
break;
case 2:
error = slave (verbose);
break;
case 3:
error = mempig (verbose);
break;
case 4:
error = offset (verbose);
break;
default:
error = clib_error_return (0, "test id %d unknown", test_id);
break;
}
out:
if (error)
clib_error_report (error);
return 0;
}
int
main (int argc, char *argv[])
{
unformat_input_t i;
int r;
unformat_init_command_line (&i, argv);
r = test_ssvm_fifo1 (&i);
unformat_free (&i);
return r;
}
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
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