static int
test_ivshmem_create_lots_of_memzones(void)
{
int i;
char name[IVSHMEM_NAME_LEN];
const struct rte_memzone *mz;
ASSERT(rte_ivshmem_metadata_create(METADATA_NAME) == 0,
"Failed to create metadata");
for (i = 0; i < RTE_LIBRTE_IVSHMEM_MAX_ENTRIES; i++) {
snprintf(name, sizeof(name), "mz_%i", i);
mz = rte_memzone_reserve(name, CACHE_LINE_SIZE, SOCKET_ID_ANY, 0);
ASSERT(mz != NULL, "Failed to reserve memzone");
ASSERT(rte_ivshmem_metadata_add_memzone(mz, METADATA_NAME) == 0,
"Failed to add memzone");
}
mz = rte_memzone_reserve("one too many", CACHE_LINE_SIZE, SOCKET_ID_ANY, 0);
ASSERT(mz != NULL, "Failed to reserve memzone");
ASSERT(rte_ivshmem_metadata_add_memzone(mz, METADATA_NAME) < 0,
"Metadata should have been full");
return 0;
}
static int
test_ivshmem_create_too_many_metadata_configs(void)
{
int i;
char name[IVSHMEM_NAME_LEN];
for (i = 0; i < RTE_LIBRTE_IVSHMEM_MAX_METADATA_FILES; i++) {
snprintf(name, sizeof(name), "test_%d", i);
ASSERT(rte_ivshmem_metadata_create(name) == 0,
"Create config file failed");
}
ASSERT(rte_ivshmem_metadata_create(name) < 0,
"Create config file didn't fail");
return 0;
}
static int
test_ivshmem_create_duplicate_metadata(void)
{
ASSERT(rte_ivshmem_metadata_create(DUPLICATE_METADATA) < 0,
"Creating duplicate metadata should have failed");
return 0;
}
static int
create_duplicate(void)
{
/* create a metadata that another process will then try to overwrite */
ASSERT (rte_ivshmem_metadata_create(DUPLICATE_METADATA) == 0,
"Creating metadata failed");
return 0;
}
/**
* Main init function for the multi-process server app,
* calls subfunctions to do each stage of the initialisation.
*/
int
init(int argc, char *argv[])
{
int retval;
uint8_t i, total_ports;
/* init EAL, parsing EAL args */
retval = rte_eal_init(argc, argv);
if (retval < 0)
return -1;
argc -= retval;
argv += retval;
/* get total number of ports */
total_ports = 0;
/* parse additional, application arguments */
retval = parse_app_args(total_ports, argc, argv);
if (retval != 0)
return -1;
/* initialise mbuf pools */
retval = init_mbuf_pools();
if (retval != 0)
rte_exit(EXIT_FAILURE, "Cannot create needed mbuf pools\n");
init_shm_rings();
if (rte_eal_process_type() == RTE_PROC_PRIMARY)
{
/* create metadata, output cmdline */
if (rte_ivshmem_metadata_create(IVSHMEN_METADATA_NAME) < 0)
rte_exit(EXIT_FAILURE, "Cannot create IVSHMEM metadata\n");
if (rte_ivshmem_metadata_add_mempool(pktmbuf_pool, IVSHMEN_METADATA_NAME))
rte_exit(EXIT_FAILURE, "Cannot add mbuf mempool to IVSHMEM metadata\n");
for (i = 0; i < num_rings; i++)
{
if (rte_ivshmem_metadata_add_ring(clients[i].rx_q,
IVSHMEN_METADATA_NAME) < 0)
rte_exit(EXIT_FAILURE, "Cannot add ring client %d to IVSHMEM metadata\n", i);
}
generate_ivshmem_cmdline(IVSHMEN_METADATA_NAME);
}
return 0;
}
static int
test_ivshmem_create_duplicate_memzone(void)
{
const struct rte_memzone *mz;
ASSERT(rte_ivshmem_metadata_create(METADATA_NAME) == 0,
"Failed to create metadata");
mz = rte_memzone_reserve("mz", CACHE_LINE_SIZE, SOCKET_ID_ANY, 0);
ASSERT(mz != NULL, "Failed to reserve memzone");
ASSERT(rte_ivshmem_metadata_add_memzone(mz, METADATA_NAME) == 0,
"Failed to add memzone");
ASSERT(rte_ivshmem_metadata_add_memzone(mz, METADATA_NAME) < 0,
"Added the same memzone twice");
return 0;
}
static int
test_ivshmem_create_multiple_metadata_configs(void)
{
int i;
char name[IVSHMEM_NAME_LEN];
struct rte_ivshmem_metadata *metadata;
for (i = 0; i < RTE_LIBRTE_IVSHMEM_MAX_METADATA_FILES / 2; i++) {
snprintf(name, sizeof(name), "test_%d", i);
rte_ivshmem_metadata_create(name);
metadata = mmap_metadata(name);
ASSERT(metadata->magic_number == IVSHMEM_MAGIC,
"Magic number is not that magic");
ASSERT(strncmp(metadata->name, name, sizeof(metadata->name)) == 0,
"Name has not been set up");
}
return 0;
}
static int
test_ivshmem_create_metadata_config(void)
{
struct rte_ivshmem_metadata *metadata;
rte_ivshmem_metadata_create(METADATA_NAME);
metadata = mmap_metadata(METADATA_NAME);
ASSERT(metadata != MAP_FAILED, "Metadata mmaping failed");
ASSERT(metadata->magic_number == IVSHMEM_MAGIC,
"Magic number is not that magic");
ASSERT(strncmp(metadata->name, METADATA_NAME, sizeof(metadata->name)) == 0,
"Name has not been set up");
ASSERT(metadata->entry[0].offset == 0, "Offest is not initialized");
ASSERT(metadata->entry[0].mz.addr == 0, "mz.addr is not initialized");
ASSERT(metadata->entry[0].mz.len == 0, "mz.len is not initialized");
return 0;
}
/**
* Main init function for the multi-process server app,
* calls subfunctions to do each stage of the initialisation.
*/
int
init(int argc, char *argv[])
{
int retval;
const struct rte_memzone *mz;
unsigned i, total_ports;
/* init EAL, parsing EAL args */
retval = rte_eal_init(argc, argv);
if (retval < 0)
return -1;
argc -= retval;
argv += retval;
/* get total number of ports */
total_ports = rte_eth_dev_count();
/* set up array for port data */
if (rte_eal_process_type() == RTE_PROC_SECONDARY)
{
mz = rte_memzone_lookup(MZ_PORT_INFO);
if (mz == NULL)
rte_exit(EXIT_FAILURE, "Cannot get port info structure\n");
ports = mz->addr;
}
else /* RTE_PROC_PRIMARY */
{
mz = rte_memzone_reserve(MZ_PORT_INFO, sizeof(*ports),
rte_socket_id(), NO_FLAGS);
if (mz == NULL)
rte_exit(EXIT_FAILURE, "Cannot reserve memory zone for port information\n");
memset(mz->addr, 0, sizeof(*ports));
ports = mz->addr;
}
/* parse additional, application arguments */
retval = parse_app_args(total_ports, argc, argv);
if (retval != 0)
return -1;
/* initialise mbuf pools */
retval = init_mbuf_pools();
if (retval != 0)
rte_exit(EXIT_FAILURE, "Cannot create needed mbuf pools\n");
/* now initialise the ports we will use */
if (rte_eal_process_type() == RTE_PROC_PRIMARY)
{
for (i = 0; i < ports->num_ports; i++) {
retval = init_port(ports->id[i]);
if (retval != 0)
rte_exit(EXIT_FAILURE, "Cannot initialise port %u\n",
(unsigned)i);
}
}
check_all_ports_link_status(ports->num_ports, (~0x0));
/* initialise the client queues/rings for inter-eu comms */
init_shm_rings();
if (rte_eal_process_type() == RTE_PROC_PRIMARY)
{
RTE_LOG(INFO, APP, "HOST SHARE MEM Init.\n");
/* create metadata, output cmdline
if (rte_hostshmem_metadata_create(HOSTSHMEM_METADATA_NAME) < 0)
rte_exit(EXIT_FAILURE, "Cannot create HOSTSHMEM metadata\n");
if (rte_hostshmem_metadata_add_memzone(mz, HOSTSHMEM_METADATA_NAME))
rte_exit(EXIT_FAILURE, "Cannot add memzone to HOSTSHMEM metadata\n");
if (rte_hostshmem_metadata_add_mempool(pktmbuf_pool, HOSTSHMEM_METADATA_NAME))
rte_exit(EXIT_FAILURE, "Cannot add mbuf mempool to HOSTSHMEM metadata\n");
for (i = 0; i < num_clients; i++)
{
if (rte_hostshmem_metadata_add_ring(clients[i].rx_q,
HOSTSHMEM_METADATA_NAME) < 0)
rte_exit(EXIT_FAILURE, "Cannot add ring client %d to HOSTSHMEM metadata\n", i);
}
generate_hostshmem_cmdline(HOSTSHMEM_METADATA_NAME);
*/
const struct rte_mem_config *mcfg;
/* get pointer to global configuration */
mcfg = rte_eal_get_configuration()->mem_config;
for (i = 0; i < RTE_MAX_MEMSEG; i++) {
if (mcfg->memseg[i].addr == NULL)
break;
printf("Segment %u: phys:0x%"PRIx64", len:%zu, "
"virt:%p, socket_id:%"PRId32", "
"hugepage_sz:%"PRIu64", nchannel:%"PRIx32", "
"nrank:%"PRIx32"\n", i,
mcfg->memseg[i].phys_addr,
mcfg->memseg[i].len,
mcfg->memseg[i].addr,
mcfg->memseg[i].socket_id,
mcfg->memseg[i].hugepage_sz,
mcfg->memseg[i].nchannel,
mcfg->memseg[i].nrank);
}
RTE_LOG(INFO, APP, "HOST SHARE MEM Init. done\n");
RTE_LOG(INFO, APP, "IV SHARE MEM Init.\n");
/* create metadata, output cmdline */
if (rte_ivshmem_metadata_create(IVSHMEM_METADATA_NAME) < 0)
rte_exit(EXIT_FAILURE, "Cannot create IVSHMEM metadata\n");
if (rte_ivshmem_metadata_add_memzone(mz, IVSHMEM_METADATA_NAME))
rte_exit(EXIT_FAILURE, "Cannot add memzone to IVSHMEM metadata\n");
if (rte_ivshmem_metadata_add_mempool(pktmbuf_pool, IVSHMEM_METADATA_NAME))
rte_exit(EXIT_FAILURE, "Cannot add mbuf mempool to IVSHMEM metadata\n");
for (i = 0; i < num_clients; i++)
{
if (rte_ivshmem_metadata_add_ring(clients[i].rx_q,
IVSHMEM_METADATA_NAME) < 0)
rte_exit(EXIT_FAILURE, "Cannot add ring client %d to IVSHMEM metadata\n", i);
}
generate_ivshmem_cmdline(IVSHMEM_METADATA_NAME);
RTE_LOG(INFO, APP, "IV SHARE MEM Done.\n");
}
return 0;
}
static int
test_ivshmem_api_test(void)
{
const struct rte_memzone * mz;
struct rte_mempool * mp;
struct rte_ring * r;
char buf[BUFSIZ];
memset(buf, 0, sizeof(buf));
r = rte_ring_create("ring", 1, SOCKET_ID_ANY, 0);
mp = rte_mempool_create("mempool", 1, 1, 1, 1, NULL, NULL, NULL, NULL,
SOCKET_ID_ANY, 0);
mz = rte_memzone_reserve("memzone", 64, SOCKET_ID_ANY, 0);
ASSERT(r != NULL, "Failed to create ring");
ASSERT(mp != NULL, "Failed to create mempool");
ASSERT(mz != NULL, "Failed to reserve memzone");
/* try to create NULL metadata */
ASSERT(rte_ivshmem_metadata_create(NULL) < 0,
"Created metadata with NULL name");
/* create valid metadata to do tests on */
ASSERT(rte_ivshmem_metadata_create(METADATA_NAME) == 0,
"Failed to create metadata");
/* test adding memzone */
ASSERT(rte_ivshmem_metadata_add_memzone(NULL, NULL) < 0,
"Added NULL memzone to NULL metadata");
ASSERT(rte_ivshmem_metadata_add_memzone(NULL, METADATA_NAME) < 0,
"Added NULL memzone");
ASSERT(rte_ivshmem_metadata_add_memzone(mz, NULL) < 0,
"Added memzone to NULL metadata");
ASSERT(rte_ivshmem_metadata_add_memzone(mz, NONEXISTENT_METADATA) < 0,
"Added memzone to nonexistent metadata");
/* test adding ring */
ASSERT(rte_ivshmem_metadata_add_ring(NULL, NULL) < 0,
"Added NULL ring to NULL metadata");
ASSERT(rte_ivshmem_metadata_add_ring(NULL, METADATA_NAME) < 0,
"Added NULL ring");
ASSERT(rte_ivshmem_metadata_add_ring(r, NULL) < 0,
"Added ring to NULL metadata");
ASSERT(rte_ivshmem_metadata_add_ring(r, NONEXISTENT_METADATA) < 0,
"Added ring to nonexistent metadata");
/* test adding mempool */
ASSERT(rte_ivshmem_metadata_add_mempool(NULL, NULL) < 0,
"Added NULL mempool to NULL metadata");
ASSERT(rte_ivshmem_metadata_add_mempool(NULL, METADATA_NAME) < 0,
"Added NULL mempool");
ASSERT(rte_ivshmem_metadata_add_mempool(mp, NULL) < 0,
"Added mempool to NULL metadata");
ASSERT(rte_ivshmem_metadata_add_mempool(mp, NONEXISTENT_METADATA) < 0,
"Added mempool to nonexistent metadata");
/* test creating command line */
ASSERT(rte_ivshmem_metadata_cmdline_generate(NULL, sizeof(buf), METADATA_NAME) < 0,
"Written command line into NULL buffer");
ASSERT(strnlen(buf, sizeof(buf)) == 0, "Buffer is not empty");
ASSERT(rte_ivshmem_metadata_cmdline_generate(buf, 0, METADATA_NAME) < 0,
"Written command line into small buffer");
ASSERT(strnlen(buf, sizeof(buf)) == 0, "Buffer is not empty");
ASSERT(rte_ivshmem_metadata_cmdline_generate(buf, sizeof(buf), NULL) < 0,
"Written command line for NULL metadata");
ASSERT(strnlen(buf, sizeof(buf)) == 0, "Buffer is not empty");
ASSERT(rte_ivshmem_metadata_cmdline_generate(buf, sizeof(buf),
NONEXISTENT_METADATA) < 0,
"Writen command line for nonexistent metadata");
ASSERT(strnlen(buf, sizeof(buf)) == 0, "Buffer is not empty");
/* add stuff to config */
ASSERT(rte_ivshmem_metadata_add_memzone(mz, METADATA_NAME) == 0,
"Failed to add memzone to valid config");
ASSERT(rte_ivshmem_metadata_add_ring(r, METADATA_NAME) == 0,
"Failed to add ring to valid config");
ASSERT(rte_ivshmem_metadata_add_mempool(mp, METADATA_NAME) == 0,
"Failed to add mempool to valid config");
/* create config */
ASSERT(rte_ivshmem_metadata_cmdline_generate(buf, sizeof(buf),
METADATA_NAME) == 0, "Failed to write command-line");
/* check if something was written */
ASSERT(strnlen(buf, sizeof(buf)) != 0, "Buffer is empty");
/* make sure we don't segfault */
rte_ivshmem_metadata_dump(stdout, NULL);
/* dump our metadata */
rte_ivshmem_metadata_dump(stdout, METADATA_NAME);
return 0;
}