int
rte_event_pmd_release(struct rte_eventdev *eventdev)
{
int ret;
char mz_name[RTE_EVENTDEV_NAME_MAX_LEN];
const struct rte_memzone *mz;
if (eventdev == NULL)
return -EINVAL;
eventdev->attached = RTE_EVENTDEV_DETACHED;
eventdev_globals.nb_devs--;
if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
rte_free(eventdev->data->dev_private);
/* Generate memzone name */
ret = snprintf(mz_name, sizeof(mz_name), "rte_eventdev_data_%u",
eventdev->data->dev_id);
if (ret >= (int)sizeof(mz_name))
return -EINVAL;
mz = rte_memzone_lookup(mz_name);
if (mz == NULL)
return -ENOMEM;
ret = rte_memzone_free(mz);
if (ret)
return ret;
}
eventdev->data = NULL;
return 0;
}
static int
rte_event_eth_rx_adapter_init(void)
{
const char *name = "rte_event_eth_rx_adapter_array";
const struct rte_memzone *mz;
unsigned int sz;
sz = sizeof(*event_eth_rx_adapter) *
RTE_EVENT_ETH_RX_ADAPTER_MAX_INSTANCE;
sz = RTE_ALIGN(sz, RTE_CACHE_LINE_SIZE);
mz = rte_memzone_lookup(name);
if (mz == NULL) {
mz = rte_memzone_reserve_aligned(name, sz, rte_socket_id(), 0,
RTE_CACHE_LINE_SIZE);
if (mz == NULL) {
RTE_EDEV_LOG_ERR("failed to reserve memzone err = %"
PRId32, rte_errno);
return -rte_errno;
}
}
event_eth_rx_adapter = mz->addr;
return 0;
}
static inline int
rte_eventdev_data_alloc(uint8_t dev_id, struct rte_eventdev_data **data,
int socket_id)
{
char mz_name[RTE_EVENTDEV_NAME_MAX_LEN];
const struct rte_memzone *mz;
int n;
/* Generate memzone name */
n = snprintf(mz_name, sizeof(mz_name), "rte_eventdev_data_%u", dev_id);
if (n >= (int)sizeof(mz_name))
return -EINVAL;
if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
mz = rte_memzone_reserve(mz_name,
sizeof(struct rte_eventdev_data),
socket_id, 0);
} else
mz = rte_memzone_lookup(mz_name);
if (mz == NULL)
return -ENOMEM;
*data = mz->addr;
if (rte_eal_process_type() == RTE_PROC_PRIMARY)
memset(*data, 0, sizeof(struct rte_eventdev_data));
return 0;
}
static const struct rte_memzone *
queue_dma_zone_reserve(const char *queue_name, uint32_t queue_size,
int socket_id)
{
const struct rte_memzone *mz;
unsigned memzone_flags = 0;
const struct rte_memseg *ms;
PMD_INIT_FUNC_TRACE();
mz = rte_memzone_lookup(queue_name);
if (mz != 0) {
if (((size_t)queue_size <= mz->len) &&
((socket_id == SOCKET_ID_ANY) ||
(socket_id == mz->socket_id))) {
PMD_DRV_LOG(DEBUG, "re-use memzone already "
"allocated for %s", queue_name);
return mz;
}
PMD_DRV_LOG(ERR, "Incompatible memzone already "
"allocated %s, size %u, socket %d. "
"Requested size %u, socket %u",
queue_name, (uint32_t)mz->len,
mz->socket_id, queue_size, socket_id);
return NULL;
}
PMD_DRV_LOG(DEBUG, "Allocate memzone for %s, size %u on socket %u",
queue_name, queue_size, socket_id);
ms = rte_eal_get_physmem_layout();
switch (ms[0].hugepage_sz) {
case(RTE_PGSIZE_2M):
memzone_flags = RTE_MEMZONE_2MB;
break;
case(RTE_PGSIZE_1G):
memzone_flags = RTE_MEMZONE_1GB;
break;
case(RTE_PGSIZE_16M):
memzone_flags = RTE_MEMZONE_16MB;
break;
case(RTE_PGSIZE_16G):
memzone_flags = RTE_MEMZONE_16GB;
break;
default:
memzone_flags = RTE_MEMZONE_SIZE_HINT_ONLY;
}
#ifdef RTE_LIBRTE_XEN_DOM0
return rte_memzone_reserve_bounded(queue_name, queue_size,
socket_id, 0, RTE_CACHE_LINE_SIZE, RTE_PGSIZE_2M);
#else
return rte_memzone_reserve_aligned(queue_name, queue_size, socket_id,
memzone_flags, queue_size);
#endif
}
void *
spdk_memzone_lookup(const char *name)
{
const struct rte_memzone *mz = rte_memzone_lookup(name);
if (mz != NULL) {
return mz->addr;
} else {
return NULL;
}
}
static const struct rte_memzone *
kni_memzone_reserve(const char *name, size_t len, int socket_id,
unsigned flags)
{
const struct rte_memzone *mz = rte_memzone_lookup(name);
if (mz == NULL)
mz = rte_memzone_reserve(name, len, socket_id, flags);
return mz;
}
int
spdk_memzone_free(const char *name)
{
const struct rte_memzone *mz = rte_memzone_lookup(name);
if (mz != NULL) {
return rte_memzone_free(mz);
}
return -1;
}
static void
setup_shared_variables(void)
{
const struct rte_memzone *qw_memzone;
qw_memzone = rte_memzone_lookup(QUOTA_WATERMARK_MEMZONE_NAME);
if (qw_memzone == NULL)
rte_exit(EXIT_FAILURE, "Couldn't find memzone\n");
quota = qw_memzone->addr;
low_watermark = (unsigned int *) qw_memzone->addr + sizeof(int);
}
static const struct rte_memzone *
ring_dma_zone_reserve(struct rte_eth_dev *dev, const char *ring_name,
uint16_t queue_id, uint32_t ring_size, int socket_id)
{
char z_name[RTE_MEMZONE_NAMESIZE];
const struct rte_memzone *mz;
snprintf(z_name, sizeof(z_name), "%s_%s_%d_%d",
dev->driver->pci_drv.name, ring_name, dev->data->port_id, queue_id);
mz = rte_memzone_lookup(z_name);
if (mz)
return mz;
return rte_memzone_reserve_aligned(z_name, ring_size, socket_id, 0, BNX2X_PAGE_SIZE);
}
static const struct rte_memzone *
gpa_zone_reserve(struct rte_eth_dev *dev, uint32_t size,
const char *post_string, int socket_id, uint16_t align)
{
char z_name[RTE_MEMZONE_NAMESIZE];
const struct rte_memzone *mz;
rte_snprintf(z_name, sizeof(z_name), "%s_%d_%s",
dev->driver->pci_drv.name, dev->data->port_id, post_string);
mz = rte_memzone_lookup(z_name);
if (mz)
return mz;
return rte_memzone_reserve_aligned(z_name, size,
socket_id, 0, align);
}
static int
test_memzone_invalid_alignment(void)
{
const struct rte_memzone * mz;
mz = rte_memzone_lookup("invalid_alignment");
if (mz != NULL) {
printf("Zone with invalid alignment has been reserved\n");
return -1;
}
mz = rte_memzone_reserve_aligned("invalid_alignment", 100,
SOCKET_ID_ANY, 0, 100);
if (mz != NULL) {
printf("Zone with invalid alignment has been reserved\n");
return -1;
}
return 0;
}
static int
test_memzone_reserving_zone_size_bigger_than_the_maximum(void)
{
const struct rte_memzone * mz;
mz = rte_memzone_lookup("zone_size_bigger_than_the_maximum");
if (mz != NULL) {
printf("zone_size_bigger_than_the_maximum has been reserved\n");
return -1;
}
mz = rte_memzone_reserve("zone_size_bigger_than_the_maximum", (size_t)-1,
SOCKET_ID_ANY, 0);
if (mz != NULL) {
printf("It is impossible to reserve such big a memzone\n");
return -1;
}
return 0;
}
struct rte_kni *
rte_kni_get(const char *name)
{
struct rte_kni *kni;
const struct rte_memzone *mz;
char mz_name[RTE_MEMZONE_NAMESIZE];
if (!name || !name[0])
return NULL;
rte_snprintf(mz_name, RTE_MEMZONE_NAMESIZE, "KNI_INFO_%s", name);
mz = rte_memzone_lookup(mz_name);
if (!mz)
return NULL;
kni = mz->addr;
if (!kni->in_use)
return NULL;
return kni;
}
static void qat_queue_delete(struct qat_queue *queue)
{
const struct rte_memzone *mz;
int status = 0;
if (queue == NULL) {
PMD_DRV_LOG(DEBUG, "Invalid queue");
return;
}
mz = rte_memzone_lookup(queue->memz_name);
if (mz != NULL) {
/* Write an unused pattern to the queue memory. */
memset(queue->base_addr, 0x7F, queue->queue_size);
status = rte_memzone_free(mz);
if (status != 0)
PMD_DRV_LOG(ERR, "Error %d on freeing queue %s",
status, queue->memz_name);
} else {
PMD_DRV_LOG(DEBUG, "queue %s doesn't exist",
queue->memz_name);
}
}
/**
* 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;
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 = rte_eth_dev_count();
/* set up array for port data */
if (rte_eal_process_type() == RTE_PROC_SECONDARY)
{
mz = rte_memzone_lookup(VM_MZ_PORT_INFO);
if (mz == NULL)
rte_exit(EXIT_FAILURE, "Cannot get port info structure\n");
ports = mz->addr;
}
else
{
mz = rte_memzone_reserve(VM_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_SECONDARY)
{
;
}
else
{
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();
*/
return 0;
}
/*
* This function is run in the secondary instance to test that creation of
* objects fails in a secondary
*/
static int
run_object_creation_tests(void)
{
const unsigned flags = 0;
const unsigned size = 1024;
const unsigned elt_size = 64;
const unsigned cache_size = 64;
const unsigned priv_data_size = 32;
printf("### Testing object creation - expect lots of mz reserve errors!\n");
rte_errno = 0;
if ((rte_memzone_reserve("test_mz", size, rte_socket_id(),
flags) == NULL) &&
(rte_memzone_lookup("test_mz") == NULL)) {
printf("Error: unexpected return value from rte_memzone_reserve\n");
return -1;
}
printf("# Checked rte_memzone_reserve() OK\n");
rte_errno = 0;
if ((rte_ring_create(
"test_ring", size, rte_socket_id(), flags) == NULL) &&
(rte_ring_lookup("test_ring") == NULL)){
printf("Error: unexpected return value from rte_ring_create()\n");
return -1;
}
printf("# Checked rte_ring_create() OK\n");
rte_errno = 0;
if ((rte_mempool_create("test_mp", size, elt_size, cache_size,
priv_data_size, NULL, NULL, NULL, NULL,
rte_socket_id(), flags) == NULL) &&
(rte_mempool_lookup("test_mp") == NULL)){
printf("Error: unexpected return value from rte_mempool_create()\n");
return -1;
}
printf("# Checked rte_mempool_create() OK\n");
#ifdef RTE_LIBRTE_HASH
const struct rte_hash_parameters hash_params = { .name = "test_mp_hash" };
rte_errno=0;
if ((rte_hash_create(&hash_params) != NULL) &&
(rte_hash_find_existing(hash_params.name) == NULL)){
printf("Error: unexpected return value from rte_hash_create()\n");
return -1;
}
printf("# Checked rte_hash_create() OK\n");
const struct rte_fbk_hash_params fbk_params = { .name = "test_fbk_mp_hash" };
rte_errno=0;
if ((rte_fbk_hash_create(&fbk_params) != NULL) &&
(rte_fbk_hash_find_existing(fbk_params.name) == NULL)){
printf("Error: unexpected return value from rte_fbk_hash_create()\n");
return -1;
}
printf("# Checked rte_fbk_hash_create() OK\n");
#endif
#ifdef RTE_LIBRTE_LPM
rte_errno=0;
struct rte_lpm_config config;
config.max_rules = rte_socket_id();
config.number_tbl8s = 256;
config.flags = 0;
if ((rte_lpm_create("test_lpm", size, &config) != NULL) &&
(rte_lpm_find_existing("test_lpm") == NULL)){
printf("Error: unexpected return value from rte_lpm_create()\n");
return -1;
}
printf("# Checked rte_lpm_create() OK\n");
#endif
/* Run a test_pci call */
if (test_pci() != 0) {
printf("PCI scan failed in secondary\n");
if (getuid() == 0) /* pci scans can fail as non-root */
return -1;
} else
printf("PCI scan succeeded in secondary\n");
return 0;
}
/* if called in a primary process, just spawns off a secondary process to
* run validation tests - which brings us right back here again...
* if called in a secondary process, this runs a series of API tests to check
* how things run in a secondary instance.
*/
int
test_mp_secondary(void)
{
if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
if (!test_pci_run) {
printf("=== Running pre-requisite test of test_pci\n");
test_pci();
printf("=== Requisite test done\n");
}
return run_secondary_instances();
}
printf("IN SECONDARY PROCESS\n");
return run_object_creation_tests();
}
static struct test_command multiprocess_cmd = {
.command = "multiprocess_autotest",
.callback = test_mp_secondary,
};
REGISTER_TEST_COMMAND(multiprocess_cmd);
static int
test_memzone(void)
{
const struct rte_memzone *memzone1;
const struct rte_memzone *memzone2;
const struct rte_memzone *memzone3;
const struct rte_memzone *memzone4;
const struct rte_memzone *mz;
memzone1 = rte_memzone_reserve("testzone1", 100,
SOCKET_ID_ANY, 0);
memzone2 = rte_memzone_reserve("testzone2", 1000,
0, 0);
memzone3 = rte_memzone_reserve("testzone3", 1000,
1, 0);
memzone4 = rte_memzone_reserve("testzone4", 1024,
SOCKET_ID_ANY, 0);
/* memzone3 may be NULL if we don't have NUMA */
if (memzone1 == NULL || memzone2 == NULL || memzone4 == NULL)
return -1;
rte_memzone_dump(stdout);
/* check cache-line alignments */
printf("check alignments and lengths\n");
if ((memzone1->phys_addr & RTE_CACHE_LINE_MASK) != 0)
return -1;
if ((memzone2->phys_addr & RTE_CACHE_LINE_MASK) != 0)
return -1;
if (memzone3 != NULL && (memzone3->phys_addr & RTE_CACHE_LINE_MASK) != 0)
return -1;
if ((memzone1->len & RTE_CACHE_LINE_MASK) != 0 || memzone1->len == 0)
return -1;
if ((memzone2->len & RTE_CACHE_LINE_MASK) != 0 || memzone2->len == 0)
return -1;
if (memzone3 != NULL && ((memzone3->len & RTE_CACHE_LINE_MASK) != 0 ||
memzone3->len == 0))
return -1;
if (memzone4->len != 1024)
return -1;
/* check that zones don't overlap */
printf("check overlapping\n");
if (is_memory_overlap(memzone1->phys_addr, memzone1->len,
memzone2->phys_addr, memzone2->len))
return -1;
if (memzone3 != NULL &&
is_memory_overlap(memzone1->phys_addr, memzone1->len,
memzone3->phys_addr, memzone3->len))
return -1;
if (memzone3 != NULL &&
is_memory_overlap(memzone2->phys_addr, memzone2->len,
memzone3->phys_addr, memzone3->len))
return -1;
printf("check socket ID\n");
/* memzone2 must be on socket id 0 and memzone3 on socket 1 */
if (memzone2->socket_id != 0)
return -1;
if (memzone3 != NULL && memzone3->socket_id != 1)
return -1;
printf("test zone lookup\n");
mz = rte_memzone_lookup("testzone1");
if (mz != memzone1)
return -1;
printf("test duplcate zone name\n");
mz = rte_memzone_reserve("testzone1", 100,
SOCKET_ID_ANY, 0);
if (mz != NULL)
return -1;
printf("test reserving memzone with bigger size than the maximum\n");
if (test_memzone_reserving_zone_size_bigger_than_the_maximum() < 0)
return -1;
printf("test reserving memory in smallest segments\n");
if (test_memzone_reserve_memory_in_smallest_segment() < 0)
return -1;
printf("test reserving memory in segments with smallest offsets\n");
if (test_memzone_reserve_memory_with_smallest_offset() < 0)
return -1;
printf("test memzone_reserve flags\n");
if (test_memzone_reserve_flags() < 0)
return -1;
printf("test alignment for memzone_reserve\n");
if (test_memzone_aligned() < 0)
return -1;
printf("test boundary alignment for memzone_reserve\n");
if (test_memzone_bounded() < 0)
return -1;
printf("test invalid alignment for memzone_reserve\n");
if (test_memzone_invalid_alignment() < 0)
return -1;
printf("test reserving amounts of memory equal to segment's length\n");
if (test_memzone_reserve_remainder() < 0)
return -1;
printf("test reserving the largest size memzone possible\n");
if (test_memzone_reserve_max() < 0)
return -1;
printf("test reserving the largest size aligned memzone possible\n");
if (test_memzone_reserve_max_aligned() < 0)
return -1;
return 0;
}
static void setup_mempool_for_rx_task(struct lcore_cfg *lconf, struct task_args *targ)
{
const uint8_t socket = rte_lcore_to_socket_id(lconf->id);
struct prox_port_cfg *port_cfg = &prox_port_cfg[targ->rx_port_queue[0].port];
const struct rte_memzone *mz;
struct rte_mempool *mp = NULL;
uint32_t flags = 0;
char memzone_name[64];
char name[64];
/* mbuf size can be set
* - from config file (highest priority, overwriting any other config) - should only be used as workaround
* - through each 'mode', overwriting the default mbuf_size
* - defaulted to MBUF_SIZE i.e. 1518 Bytes
* Except is set expliciteky, ensure that size is big enough for vmxnet3 driver
*/
if (targ->mbuf_size_set_explicitely) {
flags = MEMPOOL_F_NO_SPREAD;
/* targ->mbuf_size already set */
}
else if (targ->task_init->mbuf_size != 0) {
/* mbuf_size not set through config file but set through mode */
targ->mbuf_size = targ->task_init->mbuf_size;
}
else if (strcmp(port_cfg->short_name, "vmxnet3") == 0) {
if (targ->mbuf_size < MBUF_SIZE + RTE_PKTMBUF_HEADROOM)
targ->mbuf_size = MBUF_SIZE + RTE_PKTMBUF_HEADROOM;
}
/* allocate memory pool for packets */
PROX_ASSERT(targ->nb_mbuf != 0);
if (targ->pool_name[0] == '\0') {
sprintf(name, "core_%u_port_%u_pool", lconf->id, targ->id);
}
snprintf(memzone_name, sizeof(memzone_name)-1, "MP_%s", targ->pool_name);
mz = rte_memzone_lookup(memzone_name);
if (mz != NULL) {
mp = (struct rte_mempool*)mz->addr;
targ->nb_mbuf = mp->size;
targ->pool = mp;
}
#ifdef RTE_LIBRTE_IVSHMEM_FALSE
if (mz != NULL && mp != NULL && mp->phys_addr != mz->ioremap_addr) {
/* Init mbufs with ioremap_addr for dma */
mp->phys_addr = mz->ioremap_addr;
mp->elt_pa[0] = mp->phys_addr + (mp->elt_va_start - (uintptr_t)mp);
struct prox_pktmbuf_reinit_args init_args;
init_args.mp = mp;
init_args.lconf = lconf;
uint32_t elt_sz = mp->elt_size + mp->header_size + mp->trailer_size;
rte_mempool_obj_iter((void*)mp->elt_va_start, mp->size, elt_sz, 1,
mp->elt_pa, mp->pg_num, mp->pg_shift, prox_pktmbuf_reinit, &init_args);
}
#endif
/* Use this pool for the interface that the core is
receiving from if one core receives from multiple
ports, all the ports use the same mempool */
if (targ->pool == NULL) {
plog_info("\t\tCreating mempool with name '%s'\n", name);
targ->pool = rte_mempool_create(name,
targ->nb_mbuf - 1, targ->mbuf_size,
targ->nb_cache_mbuf,
sizeof(struct rte_pktmbuf_pool_private),
rte_pktmbuf_pool_init, NULL,
prox_pktmbuf_init, lconf,
socket, flags);
}
PROX_PANIC(targ->pool == NULL,
"\t\tError: cannot create mempool for core %u port %u: %s\n", lconf->id, targ->id, rte_strerror(rte_errno));
plog_info("\t\tMempool %p size = %u * %u cache %u, socket %d\n", targ->pool,
targ->nb_mbuf, targ->mbuf_size, targ->nb_cache_mbuf, socket);
if (prox_cfg.flags & DSF_SHUFFLE) {
shuffle_mempool(targ->pool, targ->nb_mbuf);
}
}
/*
* Allocates a completion ring with vmem and stats optionally also allocating
* a TX and/or RX ring. Passing NULL as tx_ring_info and/or rx_ring_info
* to not allocate them.
*
* Order in the allocation is:
* stats - Always non-zero length
* cp vmem - Always zero-length, supported for the bnxt_ring abstraction
* tx vmem - Only non-zero length if tx_ring_info is not NULL
* rx vmem - Only non-zero length if rx_ring_info is not NULL
* cp bd ring - Always non-zero length
* tx bd ring - Only non-zero length if tx_ring_info is not NULL
* rx bd ring - Only non-zero length if rx_ring_info is not NULL
*/
int bnxt_alloc_rings(struct bnxt *bp, uint16_t qidx,
struct bnxt_tx_ring_info *tx_ring_info,
struct bnxt_rx_ring_info *rx_ring_info,
struct bnxt_cp_ring_info *cp_ring_info,
const char *suffix)
{
struct bnxt_ring *cp_ring = cp_ring_info->cp_ring_struct;
struct bnxt_ring *tx_ring;
struct bnxt_ring *rx_ring;
struct rte_pci_device *pdev = bp->pdev;
const struct rte_memzone *mz = NULL;
char mz_name[RTE_MEMZONE_NAMESIZE];
rte_iova_t mz_phys_addr;
int sz;
int stats_len = (tx_ring_info || rx_ring_info) ?
RTE_CACHE_LINE_ROUNDUP(sizeof(struct ctx_hw_stats64)) : 0;
int cp_vmem_start = stats_len;
int cp_vmem_len = RTE_CACHE_LINE_ROUNDUP(cp_ring->vmem_size);
int tx_vmem_start = cp_vmem_start + cp_vmem_len;
int tx_vmem_len =
tx_ring_info ? RTE_CACHE_LINE_ROUNDUP(tx_ring_info->
tx_ring_struct->vmem_size) : 0;
int rx_vmem_start = tx_vmem_start + tx_vmem_len;
int rx_vmem_len = rx_ring_info ?
RTE_CACHE_LINE_ROUNDUP(rx_ring_info->
rx_ring_struct->vmem_size) : 0;
int ag_vmem_start = 0;
int ag_vmem_len = 0;
int cp_ring_start = 0;
ag_vmem_start = rx_vmem_start + rx_vmem_len;
ag_vmem_len = rx_ring_info ? RTE_CACHE_LINE_ROUNDUP(
rx_ring_info->ag_ring_struct->vmem_size) : 0;
cp_ring_start = ag_vmem_start + ag_vmem_len;
int cp_ring_len = RTE_CACHE_LINE_ROUNDUP(cp_ring->ring_size *
sizeof(struct cmpl_base));
int tx_ring_start = cp_ring_start + cp_ring_len;
int tx_ring_len = tx_ring_info ?
RTE_CACHE_LINE_ROUNDUP(tx_ring_info->tx_ring_struct->ring_size *
sizeof(struct tx_bd_long)) : 0;
int rx_ring_start = tx_ring_start + tx_ring_len;
int rx_ring_len = rx_ring_info ?
RTE_CACHE_LINE_ROUNDUP(rx_ring_info->rx_ring_struct->ring_size *
sizeof(struct rx_prod_pkt_bd)) : 0;
int ag_ring_start = rx_ring_start + rx_ring_len;
int ag_ring_len = rx_ring_len * AGG_RING_SIZE_FACTOR;
int ag_bitmap_start = ag_ring_start + ag_ring_len;
int ag_bitmap_len = rx_ring_info ?
RTE_CACHE_LINE_ROUNDUP(rte_bitmap_get_memory_footprint(
rx_ring_info->rx_ring_struct->ring_size *
AGG_RING_SIZE_FACTOR)) : 0;
int tpa_info_start = ag_bitmap_start + ag_bitmap_len;
int tpa_info_len = rx_ring_info ?
RTE_CACHE_LINE_ROUNDUP(BNXT_TPA_MAX *
sizeof(struct bnxt_tpa_info)) : 0;
int total_alloc_len = tpa_info_start;
if (bp->eth_dev->data->dev_conf.rxmode.enable_lro)
total_alloc_len += tpa_info_len;
snprintf(mz_name, RTE_MEMZONE_NAMESIZE,
"bnxt_%04x:%02x:%02x:%02x-%04x_%s", pdev->addr.domain,
pdev->addr.bus, pdev->addr.devid, pdev->addr.function, qidx,
suffix);
mz_name[RTE_MEMZONE_NAMESIZE - 1] = 0;
mz = rte_memzone_lookup(mz_name);
if (!mz) {
mz = rte_memzone_reserve_aligned(mz_name, total_alloc_len,
SOCKET_ID_ANY,
RTE_MEMZONE_2MB |
RTE_MEMZONE_SIZE_HINT_ONLY,
getpagesize());
if (mz == NULL)
return -ENOMEM;
}
memset(mz->addr, 0, mz->len);
mz_phys_addr = mz->iova;
if ((unsigned long)mz->addr == mz_phys_addr) {
RTE_LOG(WARNING, PMD,
"Memzone physical address same as virtual.\n");
RTE_LOG(WARNING, PMD,
"Using rte_mem_virt2iova()\n");
for (sz = 0; sz < total_alloc_len; sz += getpagesize())
rte_mem_lock_page(((char *)mz->addr) + sz);
mz_phys_addr = rte_mem_virt2iova(mz->addr);
if (mz_phys_addr == 0) {
RTE_LOG(ERR, PMD,
"unable to map ring address to physical memory\n");
return -ENOMEM;
}
}
if (tx_ring_info) {
tx_ring = tx_ring_info->tx_ring_struct;
tx_ring->bd = ((char *)mz->addr + tx_ring_start);
tx_ring_info->tx_desc_ring = (struct tx_bd_long *)tx_ring->bd;
tx_ring->bd_dma = mz_phys_addr + tx_ring_start;
tx_ring_info->tx_desc_mapping = tx_ring->bd_dma;
tx_ring->mem_zone = (const void *)mz;
if (!tx_ring->bd)
return -ENOMEM;
if (tx_ring->vmem_size) {
tx_ring->vmem =
(void **)((char *)mz->addr + tx_vmem_start);
tx_ring_info->tx_buf_ring =
(struct bnxt_sw_tx_bd *)tx_ring->vmem;
}
}
if (rx_ring_info) {
rx_ring = rx_ring_info->rx_ring_struct;
rx_ring->bd = ((char *)mz->addr + rx_ring_start);
rx_ring_info->rx_desc_ring =
(struct rx_prod_pkt_bd *)rx_ring->bd;
rx_ring->bd_dma = mz_phys_addr + rx_ring_start;
rx_ring_info->rx_desc_mapping = rx_ring->bd_dma;
rx_ring->mem_zone = (const void *)mz;
if (!rx_ring->bd)
return -ENOMEM;
if (rx_ring->vmem_size) {
rx_ring->vmem =
(void **)((char *)mz->addr + rx_vmem_start);
rx_ring_info->rx_buf_ring =
(struct bnxt_sw_rx_bd *)rx_ring->vmem;
}
rx_ring = rx_ring_info->ag_ring_struct;
rx_ring->bd = ((char *)mz->addr + ag_ring_start);
rx_ring_info->ag_desc_ring =
(struct rx_prod_pkt_bd *)rx_ring->bd;
rx_ring->bd_dma = mz->iova + ag_ring_start;
rx_ring_info->ag_desc_mapping = rx_ring->bd_dma;
rx_ring->mem_zone = (const void *)mz;
if (!rx_ring->bd)
return -ENOMEM;
if (rx_ring->vmem_size) {
rx_ring->vmem =
(void **)((char *)mz->addr + ag_vmem_start);
rx_ring_info->ag_buf_ring =
(struct bnxt_sw_rx_bd *)rx_ring->vmem;
}
rx_ring_info->ag_bitmap =
rte_bitmap_init(rx_ring_info->rx_ring_struct->ring_size *
AGG_RING_SIZE_FACTOR, (uint8_t *)mz->addr +
ag_bitmap_start, ag_bitmap_len);
/* TPA info */
if (bp->eth_dev->data->dev_conf.rxmode.enable_lro)
rx_ring_info->tpa_info =
((struct bnxt_tpa_info *)((char *)mz->addr +
tpa_info_start));
}
cp_ring->bd = ((char *)mz->addr + cp_ring_start);
cp_ring->bd_dma = mz_phys_addr + cp_ring_start;
cp_ring_info->cp_desc_ring = cp_ring->bd;
cp_ring_info->cp_desc_mapping = cp_ring->bd_dma;
cp_ring->mem_zone = (const void *)mz;
if (!cp_ring->bd)
return -ENOMEM;
if (cp_ring->vmem_size)
*cp_ring->vmem = ((char *)mz->addr + stats_len);
if (stats_len) {
cp_ring_info->hw_stats = mz->addr;
cp_ring_info->hw_stats_map = mz_phys_addr;
}
cp_ring_info->hw_stats_ctx_id = HWRM_NA_SIGNATURE;
return 0;
}
struct rte_kni *
rte_kni_create(uint8_t port_id,
unsigned mbuf_size,
struct rte_mempool *pktmbuf_pool,
struct rte_kni_ops *ops)
{
struct rte_kni_device_info dev_info;
struct rte_eth_dev_info eth_dev_info;
struct rte_kni *ctx;
char itf_name[IFNAMSIZ];
#define OBJNAMSIZ 32
char obj_name[OBJNAMSIZ];
const struct rte_memzone *mz;
if (port_id >= RTE_MAX_ETHPORTS || pktmbuf_pool == NULL || !ops)
return NULL;
/* Check FD and open once */
if (kni_fd < 0) {
kni_fd = open("/dev/" KNI_DEVICE, O_RDWR);
if (kni_fd < 0) {
RTE_LOG(ERR, KNI, "Can not open /dev/%s\n",
KNI_DEVICE);
return NULL;
}
}
rte_eth_dev_info_get(port_id, ð_dev_info);
RTE_LOG(INFO, KNI, "pci: %02x:%02x:%02x \t %02x:%02x\n",
eth_dev_info.pci_dev->addr.bus,
eth_dev_info.pci_dev->addr.devid,
eth_dev_info.pci_dev->addr.function,
eth_dev_info.pci_dev->id.vendor_id,
eth_dev_info.pci_dev->id.device_id);
dev_info.bus = eth_dev_info.pci_dev->addr.bus;
dev_info.devid = eth_dev_info.pci_dev->addr.devid;
dev_info.function = eth_dev_info.pci_dev->addr.function;
dev_info.vendor_id = eth_dev_info.pci_dev->id.vendor_id;
dev_info.device_id = eth_dev_info.pci_dev->id.device_id;
ctx = rte_zmalloc("kni devs", sizeof(struct rte_kni), 0);
if (ctx == NULL)
rte_panic("Cannot allocate memory for kni dev\n");
memcpy(&ctx->ops, ops, sizeof(struct rte_kni_ops));
rte_snprintf(itf_name, IFNAMSIZ, "vEth%u", port_id);
rte_snprintf(ctx->name, IFNAMSIZ, itf_name);
rte_snprintf(dev_info.name, IFNAMSIZ, itf_name);
/* TX RING */
rte_snprintf(obj_name, OBJNAMSIZ, "kni_tx_%d", port_id);
mz = rte_memzone_reserve(obj_name, KNI_FIFO_SIZE, SOCKET_ID_ANY, 0);
if (mz == NULL || mz->addr == NULL)
rte_panic("Cannot create kni_tx_%d queue\n", port_id);
ctx->tx_q = mz->addr;
kni_fifo_init(ctx->tx_q, KNI_FIFO_COUNT_MAX);
dev_info.tx_phys = mz->phys_addr;
/* RX RING */
rte_snprintf(obj_name, OBJNAMSIZ, "kni_rx_%d", port_id);
mz = rte_memzone_reserve(obj_name, KNI_FIFO_SIZE, SOCKET_ID_ANY, 0);
if (mz == NULL || mz->addr == NULL)
rte_panic("Cannot create kni_rx_%d queue\n", port_id);
ctx->rx_q = mz->addr;
kni_fifo_init(ctx->rx_q, KNI_FIFO_COUNT_MAX);
dev_info.rx_phys = mz->phys_addr;
/* ALLOC RING */
rte_snprintf(obj_name, OBJNAMSIZ, "kni_alloc_%d", port_id);
mz = rte_memzone_reserve(obj_name, KNI_FIFO_SIZE, SOCKET_ID_ANY, 0);
if (mz == NULL || mz->addr == NULL)
rte_panic("Cannot create kni_alloc_%d queue\n", port_id);
ctx->alloc_q = mz->addr;
kni_fifo_init(ctx->alloc_q, KNI_FIFO_COUNT_MAX);
dev_info.alloc_phys = mz->phys_addr;
/* FREE RING */
rte_snprintf(obj_name, OBJNAMSIZ, "kni_free_%d", port_id);
mz = rte_memzone_reserve(obj_name, KNI_FIFO_SIZE, SOCKET_ID_ANY, 0);
if (mz == NULL || mz->addr == NULL)
rte_panic("Cannot create kni_free_%d queue\n", port_id);
ctx->free_q = mz->addr;
kni_fifo_init(ctx->free_q, KNI_FIFO_COUNT_MAX);
dev_info.free_phys = mz->phys_addr;
/* Request RING */
rte_snprintf(obj_name, OBJNAMSIZ, "kni_req_%d", port_id);
mz = rte_memzone_reserve(obj_name, KNI_FIFO_SIZE, SOCKET_ID_ANY, 0);
if (mz == NULL || mz->addr == NULL)
rte_panic("Cannot create kni_req_%d ring\n", port_id);
ctx->req_q = mz->addr;
kni_fifo_init(ctx->req_q, KNI_FIFO_COUNT_MAX);
dev_info.req_phys = mz->phys_addr;
/* Response RING */
rte_snprintf(obj_name, OBJNAMSIZ, "kni_resp_%d", port_id);
mz = rte_memzone_reserve(obj_name, KNI_FIFO_SIZE, SOCKET_ID_ANY, 0);
if (mz == NULL || mz->addr == NULL)
rte_panic("Cannot create kni_resp_%d ring\n", port_id);
ctx->resp_q = mz->addr;
kni_fifo_init(ctx->resp_q, KNI_FIFO_COUNT_MAX);
dev_info.resp_phys = mz->phys_addr;
/* Req/Resp sync mem area */
rte_snprintf(obj_name, OBJNAMSIZ, "kni_sync_%d", port_id);
mz = rte_memzone_reserve(obj_name, KNI_FIFO_SIZE, SOCKET_ID_ANY, 0);
if (mz == NULL || mz->addr == NULL)
rte_panic("Cannot create kni_sync_%d mem\n", port_id);
ctx->sync_addr = mz->addr;
dev_info.sync_va = mz->addr;
dev_info.sync_phys = mz->phys_addr;
/* MBUF mempool */
mz = rte_memzone_lookup("MP_mbuf_pool");
if (mz == NULL) {
RTE_LOG(ERR, KNI, "Can not find MP_mbuf_pool\n");
goto fail;
}
dev_info.mbuf_va = mz->addr;
dev_info.mbuf_phys = mz->phys_addr;
ctx->pktmbuf_pool = pktmbuf_pool;
ctx->port_id = port_id;
ctx->mbuf_size = mbuf_size;
/* Configure the buffer size which will be checked in kernel module */
dev_info.mbuf_size = ctx->mbuf_size;
if (ioctl(kni_fd, RTE_KNI_IOCTL_CREATE, &dev_info) < 0) {
RTE_LOG(ERR, KNI, "Fail to create kni device\n");
goto fail;
}
return ctx;
fail:
if (ctx != NULL)
rte_free(ctx);
return NULL;
}
/*
* Allocates a completion ring with vmem and stats optionally also allocating
* a TX and/or RX ring. Passing NULL as tx_ring_info and/or rx_ring_info
* to not allocate them.
*
* Order in the allocation is:
* stats - Always non-zero length
* cp vmem - Always zero-length, supported for the bnxt_ring abstraction
* tx vmem - Only non-zero length if tx_ring_info is not NULL
* rx vmem - Only non-zero length if rx_ring_info is not NULL
* cp bd ring - Always non-zero length
* tx bd ring - Only non-zero length if tx_ring_info is not NULL
* rx bd ring - Only non-zero length if rx_ring_info is not NULL
*/
int bnxt_alloc_rings(struct bnxt *bp, uint16_t qidx,
struct bnxt_tx_ring_info *tx_ring_info,
struct bnxt_rx_ring_info *rx_ring_info,
struct bnxt_cp_ring_info *cp_ring_info,
const char *suffix)
{
struct bnxt_ring *cp_ring = cp_ring_info->cp_ring_struct;
struct bnxt_ring *tx_ring;
struct bnxt_ring *rx_ring;
struct rte_pci_device *pdev = bp->pdev;
const struct rte_memzone *mz = NULL;
char mz_name[RTE_MEMZONE_NAMESIZE];
int stats_len = (tx_ring_info || rx_ring_info) ?
RTE_CACHE_LINE_ROUNDUP(sizeof(struct ctx_hw_stats64)) : 0;
int cp_vmem_start = stats_len;
int cp_vmem_len = RTE_CACHE_LINE_ROUNDUP(cp_ring->vmem_size);
int tx_vmem_start = cp_vmem_start + cp_vmem_len;
int tx_vmem_len =
tx_ring_info ? RTE_CACHE_LINE_ROUNDUP(tx_ring_info->
tx_ring_struct->vmem_size) : 0;
int rx_vmem_start = tx_vmem_start + tx_vmem_len;
int rx_vmem_len = rx_ring_info ?
RTE_CACHE_LINE_ROUNDUP(rx_ring_info->
rx_ring_struct->vmem_size) : 0;
int cp_ring_start = rx_vmem_start + rx_vmem_len;
int cp_ring_len = RTE_CACHE_LINE_ROUNDUP(cp_ring->ring_size *
sizeof(struct cmpl_base));
int tx_ring_start = cp_ring_start + cp_ring_len;
int tx_ring_len = tx_ring_info ?
RTE_CACHE_LINE_ROUNDUP(tx_ring_info->tx_ring_struct->ring_size *
sizeof(struct tx_bd_long)) : 0;
int rx_ring_start = tx_ring_start + tx_ring_len;
int rx_ring_len = rx_ring_info ?
RTE_CACHE_LINE_ROUNDUP(rx_ring_info->rx_ring_struct->ring_size *
sizeof(struct rx_prod_pkt_bd)) : 0;
int total_alloc_len = rx_ring_start + rx_ring_len;
snprintf(mz_name, RTE_MEMZONE_NAMESIZE,
"bnxt_%04x:%02x:%02x:%02x-%04x_%s", pdev->addr.domain,
pdev->addr.bus, pdev->addr.devid, pdev->addr.function, qidx,
suffix);
mz_name[RTE_MEMZONE_NAMESIZE - 1] = 0;
mz = rte_memzone_lookup(mz_name);
if (!mz) {
mz = rte_memzone_reserve(mz_name, total_alloc_len,
SOCKET_ID_ANY,
RTE_MEMZONE_2MB |
RTE_MEMZONE_SIZE_HINT_ONLY);
if (mz == NULL)
return -ENOMEM;
}
memset(mz->addr, 0, mz->len);
if (tx_ring_info) {
tx_ring = tx_ring_info->tx_ring_struct;
tx_ring->bd = ((char *)mz->addr + tx_ring_start);
tx_ring_info->tx_desc_ring = (struct tx_bd_long *)tx_ring->bd;
tx_ring->bd_dma = mz->phys_addr + tx_ring_start;
tx_ring_info->tx_desc_mapping = tx_ring->bd_dma;
tx_ring->mem_zone = (const void *)mz;
if (!tx_ring->bd)
return -ENOMEM;
if (tx_ring->vmem_size) {
tx_ring->vmem =
(void **)((char *)mz->addr + tx_vmem_start);
tx_ring_info->tx_buf_ring =
(struct bnxt_sw_tx_bd *)tx_ring->vmem;
}
}
if (rx_ring_info) {
rx_ring = rx_ring_info->rx_ring_struct;
rx_ring->bd = ((char *)mz->addr + rx_ring_start);
rx_ring_info->rx_desc_ring =
(struct rx_prod_pkt_bd *)rx_ring->bd;
rx_ring->bd_dma = mz->phys_addr + rx_ring_start;
rx_ring_info->rx_desc_mapping = rx_ring->bd_dma;
rx_ring->mem_zone = (const void *)mz;
if (!rx_ring->bd)
return -ENOMEM;
if (rx_ring->vmem_size) {
rx_ring->vmem =
(void **)((char *)mz->addr + rx_vmem_start);
rx_ring_info->rx_buf_ring =
(struct bnxt_sw_rx_bd *)rx_ring->vmem;
}
}
cp_ring->bd = ((char *)mz->addr + cp_ring_start);
cp_ring->bd_dma = mz->phys_addr + cp_ring_start;
cp_ring_info->cp_desc_ring = cp_ring->bd;
cp_ring_info->cp_desc_mapping = cp_ring->bd_dma;
cp_ring->mem_zone = (const void *)mz;
if (!cp_ring->bd)
return -ENOMEM;
if (cp_ring->vmem_size)
*cp_ring->vmem = ((char *)mz->addr + stats_len);
if (stats_len) {
cp_ring_info->hw_stats = mz->addr;
cp_ring_info->hw_stats_map = mz->phys_addr;
}
cp_ring_info->hw_stats_ctx_id = HWRM_NA_SIGNATURE;
return 0;
}
/**
* CALLED BY NF:
* Initialises everything we need
*
* Returns the number of arguments parsed by both rte_eal_init and
* parse_nflib_args offset by 1. This is used by getopt in the NF's
* code. The offsetting by one accounts for getopt parsing "--" which
* increments optind by 1 each time.
*/
int
onvm_nf_init(int argc, char *argv[], const char *nf_tag) {
const struct rte_memzone *mz;
const struct rte_memzone *mz_scp;
struct rte_mempool *mp;
struct onvm_service_chain **scp;
int retval_eal, retval_parse, retval_final;
if ((retval_eal = rte_eal_init(argc, argv)) < 0)
return -1;
/* Modify argc and argv to conform to getopt rules for parse_nflib_args */
argc -= retval_eal; argv += retval_eal;
/* Reset getopt global variables opterr and optind to their default values */
opterr = 0; optind = 1;
if ((retval_parse = parse_nflib_args(argc, argv)) < 0)
rte_exit(EXIT_FAILURE, "Invalid command-line arguments\n");
/*
* Calculate the offset that the nf will use to modify argc and argv for its
* getopt call. This is the sum of the number of arguments parsed by
* rte_eal_init and parse_nflib_args. This will be decremented by 1 to assure
* getopt is looking at the correct index since optind is incremented by 1 each
* time "--" is parsed.
* This is the value that will be returned if initialization succeeds.
*/
retval_final = (retval_eal + retval_parse) - 1;
/* Reset getopt global variables opterr and optind to their default values */
opterr = 0; optind = 1;
/* Lookup mempool for nf_info struct */
nf_info_mp = rte_mempool_lookup(_NF_MEMPOOL_NAME);
if (nf_info_mp == NULL)
rte_exit(EXIT_FAILURE, "No Client Info mempool - bye\n");
/* Initialize the info struct */
nf_info = ovnm_nf_info_init(nf_tag);
mp = rte_mempool_lookup(PKTMBUF_POOL_NAME);
if (mp == NULL)
rte_exit(EXIT_FAILURE, "Cannot get mempool for mbufs\n");
mz = rte_memzone_lookup(MZ_CLIENT_INFO);
if (mz == NULL)
rte_exit(EXIT_FAILURE, "Cannot get tx info structure\n");
tx_stats = mz->addr;
mz_scp = rte_memzone_lookup(MZ_SCP_INFO);
if (mz_scp == NULL)
rte_exit(EXIT_FAILURE, "Cannot get service chain info structre\n");
scp = mz_scp->addr;
default_chain = *scp;
onvm_sc_print(default_chain);
nf_info_ring = rte_ring_lookup(_NF_QUEUE_NAME);
if (nf_info_ring == NULL)
rte_exit(EXIT_FAILURE, "Cannot get nf_info ring");
/* Put this NF's info struct onto queue for manager to process startup */
if (rte_ring_enqueue(nf_info_ring, nf_info) < 0) {
rte_mempool_put(nf_info_mp, nf_info); // give back mermory
rte_exit(EXIT_FAILURE, "Cannot send nf_info to manager");
}
/* Wait for a client id to be assigned by the manager */
RTE_LOG(INFO, APP, "Waiting for manager to assign an ID...\n");
for (; nf_info->status == (uint16_t)NF_WAITING_FOR_ID ;) {
sleep(1);
}
/* This NF is trying to declare an ID already in use. */
if (nf_info->status == NF_ID_CONFLICT) {
rte_mempool_put(nf_info_mp, nf_info);
rte_exit(NF_ID_CONFLICT, "Selected ID already in use. Exiting...\n");
} else if(nf_info->status == NF_NO_IDS) {
rte_mempool_put(nf_info_mp, nf_info);
rte_exit(NF_NO_IDS, "There are no ids available for this NF\n");
} else if(nf_info->status != NF_STARTING) {
rte_mempool_put(nf_info_mp, nf_info);
rte_exit(EXIT_FAILURE, "Error occurred during manager initialization\n");
}
RTE_LOG(INFO, APP, "Using Instance ID %d\n", nf_info->instance_id);
RTE_LOG(INFO, APP, "Using Service ID %d\n", nf_info->service_id);
/* Now, map rx and tx rings into client space */
rx_ring = rte_ring_lookup(get_rx_queue_name(nf_info->instance_id));
if (rx_ring == NULL)
rte_exit(EXIT_FAILURE, "Cannot get RX ring - is server process running?\n");
tx_ring = rte_ring_lookup(get_tx_queue_name(nf_info->instance_id));
if (tx_ring == NULL)
rte_exit(EXIT_FAILURE, "Cannot get TX ring - is server process running?\n");
/* Tell the manager we're ready to recieve packets */
nf_info->status = NF_RUNNING;
RTE_LOG(INFO, APP, "Finished Process Init.\n");
return retval_final;
}
/**
* 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;
}
struct rte_kni *
rte_kni_alloc(struct rte_mempool *pktmbuf_pool,
const struct rte_kni_conf *conf,
struct rte_kni_ops *ops)
{
int ret;
struct rte_kni_device_info dev_info;
struct rte_kni *ctx;
char intf_name[RTE_KNI_NAMESIZE];
#define OBJNAMSIZ 32
char obj_name[OBJNAMSIZ];
char mz_name[RTE_MEMZONE_NAMESIZE];
const struct rte_memzone *mz;
if (!pktmbuf_pool || !conf || !conf->name[0])
return NULL;
/* Check FD and open once */
if (kni_fd < 0) {
kni_fd = open("/dev/" KNI_DEVICE, O_RDWR);
if (kni_fd < 0) {
RTE_LOG(ERR, KNI, "Can not open /dev/%s\n",
KNI_DEVICE);
return NULL;
}
}
rte_snprintf(intf_name, RTE_KNI_NAMESIZE, conf->name);
rte_snprintf(mz_name, RTE_MEMZONE_NAMESIZE, "KNI_INFO_%s", intf_name);
mz = kni_memzone_reserve(mz_name, sizeof(struct rte_kni),
SOCKET_ID_ANY, 0);
KNI_MZ_CHECK(mz == NULL);
ctx = mz->addr;
if (ctx->in_use) {
RTE_LOG(ERR, KNI, "KNI %s is in use\n", ctx->name);
goto fail;
}
memset(ctx, 0, sizeof(struct rte_kni));
if (ops)
memcpy(&ctx->ops, ops, sizeof(struct rte_kni_ops));
memset(&dev_info, 0, sizeof(dev_info));
dev_info.bus = conf->addr.bus;
dev_info.devid = conf->addr.devid;
dev_info.function = conf->addr.function;
dev_info.vendor_id = conf->id.vendor_id;
dev_info.device_id = conf->id.device_id;
dev_info.core_id = conf->core_id;
dev_info.force_bind = conf->force_bind;
dev_info.group_id = conf->group_id;
dev_info.mbuf_size = conf->mbuf_size;
rte_snprintf(ctx->name, RTE_KNI_NAMESIZE, intf_name);
rte_snprintf(dev_info.name, RTE_KNI_NAMESIZE, intf_name);
RTE_LOG(INFO, KNI, "pci: %02x:%02x:%02x \t %02x:%02x\n",
dev_info.bus, dev_info.devid, dev_info.function,
dev_info.vendor_id, dev_info.device_id);
/* TX RING */
rte_snprintf(obj_name, OBJNAMSIZ, "kni_tx_%s", intf_name);
mz = kni_memzone_reserve(obj_name, KNI_FIFO_SIZE, SOCKET_ID_ANY, 0);
KNI_MZ_CHECK(mz == NULL);
ctx->tx_q = mz->addr;
kni_fifo_init(ctx->tx_q, KNI_FIFO_COUNT_MAX);
dev_info.tx_phys = mz->phys_addr;
/* RX RING */
rte_snprintf(obj_name, OBJNAMSIZ, "kni_rx_%s", intf_name);
mz = kni_memzone_reserve(obj_name, KNI_FIFO_SIZE, SOCKET_ID_ANY, 0);
KNI_MZ_CHECK(mz == NULL);
ctx->rx_q = mz->addr;
kni_fifo_init(ctx->rx_q, KNI_FIFO_COUNT_MAX);
dev_info.rx_phys = mz->phys_addr;
/* ALLOC RING */
rte_snprintf(obj_name, OBJNAMSIZ, "kni_alloc_%s", intf_name);
mz = kni_memzone_reserve(obj_name, KNI_FIFO_SIZE, SOCKET_ID_ANY, 0);
KNI_MZ_CHECK(mz == NULL);
ctx->alloc_q = mz->addr;
kni_fifo_init(ctx->alloc_q, KNI_FIFO_COUNT_MAX);
dev_info.alloc_phys = mz->phys_addr;
/* FREE RING */
rte_snprintf(obj_name, OBJNAMSIZ, "kni_free_%s", intf_name);
mz = kni_memzone_reserve(obj_name, KNI_FIFO_SIZE, SOCKET_ID_ANY, 0);
KNI_MZ_CHECK(mz == NULL);
ctx->free_q = mz->addr;
kni_fifo_init(ctx->free_q, KNI_FIFO_COUNT_MAX);
dev_info.free_phys = mz->phys_addr;
/* Request RING */
rte_snprintf(obj_name, OBJNAMSIZ, "kni_req_%s", intf_name);
mz = kni_memzone_reserve(obj_name, KNI_FIFO_SIZE, SOCKET_ID_ANY, 0);
KNI_MZ_CHECK(mz == NULL);
ctx->req_q = mz->addr;
kni_fifo_init(ctx->req_q, KNI_FIFO_COUNT_MAX);
dev_info.req_phys = mz->phys_addr;
/* Response RING */
rte_snprintf(obj_name, OBJNAMSIZ, "kni_resp_%s", intf_name);
mz = kni_memzone_reserve(obj_name, KNI_FIFO_SIZE, SOCKET_ID_ANY, 0);
KNI_MZ_CHECK(mz == NULL);
ctx->resp_q = mz->addr;
kni_fifo_init(ctx->resp_q, KNI_FIFO_COUNT_MAX);
dev_info.resp_phys = mz->phys_addr;
/* Req/Resp sync mem area */
rte_snprintf(obj_name, OBJNAMSIZ, "kni_sync_%s", intf_name);
mz = kni_memzone_reserve(obj_name, KNI_FIFO_SIZE, SOCKET_ID_ANY, 0);
KNI_MZ_CHECK(mz == NULL);
ctx->sync_addr = mz->addr;
dev_info.sync_va = mz->addr;
dev_info.sync_phys = mz->phys_addr;
/* MBUF mempool */
rte_snprintf(mz_name, sizeof(mz_name), "MP_%s", pktmbuf_pool->name);
mz = rte_memzone_lookup(mz_name);
KNI_MZ_CHECK(mz == NULL);
dev_info.mbuf_va = mz->addr;
dev_info.mbuf_phys = mz->phys_addr;
ctx->pktmbuf_pool = pktmbuf_pool;
ctx->group_id = conf->group_id;
ctx->mbuf_size = conf->mbuf_size;
ret = ioctl(kni_fd, RTE_KNI_IOCTL_CREATE, &dev_info);
KNI_MZ_CHECK(ret < 0);
ctx->in_use = 1;
return ctx;
fail:
return NULL;
}
struct rte_kni *
rte_kni_alloc(struct rte_mempool *pktmbuf_pool,
const struct rte_kni_conf *conf,
struct rte_kni_ops *ops)
{
int ret;
struct rte_kni_device_info dev_info;
struct rte_kni *ctx;
char intf_name[RTE_KNI_NAMESIZE];
char mz_name[RTE_MEMZONE_NAMESIZE];
const struct rte_memzone *mz;
const struct rte_mempool *mp;
struct rte_kni_memzone_slot *slot = NULL;
if (!pktmbuf_pool || !conf || !conf->name[0])
return NULL;
/* Check if KNI subsystem has been initialized */
if (kni_memzone_pool.initialized != 1) {
RTE_LOG(ERR, KNI, "KNI subsystem has not been initialized. Invoke rte_kni_init() first\n");
return NULL;
}
/* Get an available slot from the pool */
slot = kni_memzone_pool_alloc();
if (!slot) {
RTE_LOG(ERR, KNI, "Cannot allocate more KNI interfaces; increase the number of max_kni_ifaces(current %d) or release unusued ones.\n",
kni_memzone_pool.max_ifaces);
return NULL;
}
/* Recover ctx */
ctx = slot->m_ctx->addr;
snprintf(intf_name, RTE_KNI_NAMESIZE, "%s", conf->name);
if (ctx->in_use) {
RTE_LOG(ERR, KNI, "KNI %s is in use\n", ctx->name);
return NULL;
}
memset(ctx, 0, sizeof(struct rte_kni));
if (ops)
memcpy(&ctx->ops, ops, sizeof(struct rte_kni_ops));
memset(&dev_info, 0, sizeof(dev_info));
dev_info.bus = conf->addr.bus;
dev_info.devid = conf->addr.devid;
dev_info.function = conf->addr.function;
dev_info.vendor_id = conf->id.vendor_id;
dev_info.device_id = conf->id.device_id;
dev_info.core_id = conf->core_id;
dev_info.force_bind = conf->force_bind;
dev_info.group_id = conf->group_id;
dev_info.mbuf_size = conf->mbuf_size;
#ifdef RTE_LIBRW_PIOT
dev_info.no_data = conf->no_data;
dev_info.no_pci = conf->no_pci;
dev_info.ifindex = conf->ifindex;
dev_info.always_up = conf->always_up;
dev_info.no_tx = conf->no_tx;
dev_info.loopback = conf->loopback;
dev_info.no_user_ring = conf->no_user_ring;
dev_info.mtu = conf->mtu;
dev_info.vlanid = conf->vlanid;
memcpy(dev_info.mac, conf->mac, 6);
strncpy(dev_info.netns_name, conf->netns_name, sizeof(dev_info.netns_name));
dev_info.netns_fd = conf->netns_fd;
dev_info.pid = getpid();
#ifdef RTE_LIBRW_NOHUGE
dev_info.nohuge = conf->nohuge;
dev_info.nl_pid = conf->nl_pid;
#endif
#endif
snprintf(ctx->name, RTE_KNI_NAMESIZE, "%s", intf_name);
snprintf(dev_info.name, RTE_KNI_NAMESIZE, "%s", intf_name);
RTE_LOG(INFO, KNI, "pci: %02x:%02x:%02x \t %02x:%02x\n",
dev_info.bus, dev_info.devid, dev_info.function,
dev_info.vendor_id, dev_info.device_id);
/* TX RING */
mz = slot->m_tx_q;
ctx->tx_q = mz->addr;
kni_fifo_init(ctx->tx_q, KNI_FIFO_COUNT_MAX);
dev_info.tx_phys = mz->phys_addr;
/* RX RING */
mz = slot->m_rx_q;
ctx->rx_q = mz->addr;
kni_fifo_init(ctx->rx_q, KNI_FIFO_COUNT_MAX);
dev_info.rx_phys = mz->phys_addr;
/* ALLOC RING */
mz = slot->m_alloc_q;
ctx->alloc_q = mz->addr;
kni_fifo_init(ctx->alloc_q, KNI_FIFO_COUNT_MAX);
dev_info.alloc_phys = mz->phys_addr;
/* FREE RING */
mz = slot->m_free_q;
ctx->free_q = mz->addr;
kni_fifo_init(ctx->free_q, KNI_FIFO_COUNT_MAX);
dev_info.free_phys = mz->phys_addr;
#ifndef RTE_LIBRW_PIOT
/* Request RING */
mz = slot->m_req_q;
ctx->req_q = mz->addr;
kni_fifo_init(ctx->req_q, KNI_FIFO_COUNT_MAX);
dev_info.req_phys = mz->phys_addr;
/* Response RING */
mz = slot->m_resp_q;
ctx->resp_q = mz->addr;
kni_fifo_init(ctx->resp_q, KNI_FIFO_COUNT_MAX);
dev_info.resp_phys = mz->phys_addr;
/* Req/Resp sync mem area */
mz = slot->m_sync_addr;
ctx->sync_addr = mz->addr;
dev_info.sync_va = mz->addr;
dev_info.sync_phys = mz->phys_addr;
#endif
/* MBUF mempool */
snprintf(mz_name, sizeof(mz_name), RTE_MEMPOOL_MZ_FORMAT,
pktmbuf_pool->name);
mz = rte_memzone_lookup(mz_name);
KNI_MEM_CHECK(mz == NULL);
mp = (struct rte_mempool *)mz->addr;
/* KNI currently requires to have only one memory chunk */
if (mp->nb_mem_chunks != 1)
goto kni_fail;
dev_info.mbuf_va = STAILQ_FIRST(&mp->mem_list)->addr;
dev_info.mbuf_phys = STAILQ_FIRST(&mp->mem_list)->phys_addr;
ctx->pktmbuf_pool = pktmbuf_pool;
ctx->group_id = conf->group_id;
ctx->slot_id = slot->id;
ctx->mbuf_size = conf->mbuf_size;
ret = ioctl(kni_fd, RTE_KNI_IOCTL_CREATE, &dev_info);
KNI_MEM_CHECK(ret < 0);
ctx->in_use = 1;
/* Allocate mbufs and then put them into alloc_q */
kni_allocate_mbufs(ctx);
return ctx;
kni_fail:
if (slot)
kni_memzone_pool_release(&kni_memzone_pool.slots[slot->id]);
return NULL;
}
/*
* Application main function - loops through
* receiving and processing packets. Never returns
*/
int
main(int argc, char *argv[])
{
const struct rte_memzone *mz;
struct rte_ring *rx_ring;
struct rte_mempool *mp;
struct port_info *ports;
int need_flush = 0; /* indicates whether we have unsent packets */
int retval;
void *pkts[PKT_READ_SIZE];
uint16_t sent;
if ((retval = rte_eal_init(argc, argv)) < 0)
return -1;
argc -= retval;
argv += retval;
if (parse_app_args(argc, argv) < 0)
rte_exit(EXIT_FAILURE, "Invalid command-line arguments\n");
if (rte_eth_dev_count() == 0)
rte_exit(EXIT_FAILURE, "No Ethernet ports - bye\n");
rx_ring = rte_ring_lookup(get_rx_queue_name(client_id));
if (rx_ring == NULL)
rte_exit(EXIT_FAILURE, "Cannot get RX ring - is server process running?\n");
mp = rte_mempool_lookup(PKTMBUF_POOL_NAME);
if (mp == NULL)
rte_exit(EXIT_FAILURE, "Cannot get mempool for mbufs\n");
mz = rte_memzone_lookup(MZ_PORT_INFO);
if (mz == NULL)
rte_exit(EXIT_FAILURE, "Cannot get port info structure\n");
ports = mz->addr;
tx_stats = &(ports->tx_stats[client_id]);
configure_output_ports(ports);
RTE_LOG(INFO, APP, "Finished Process Init.\n");
printf("\nClient process %d handling packets\n", client_id);
printf("[Press Ctrl-C to quit ...]\n");
for (;;) {
uint16_t i, rx_pkts = PKT_READ_SIZE;
uint8_t port;
/* try dequeuing max possible packets first, if that fails, get the
* most we can. Loop body should only execute once, maximum */
while (rx_pkts > 0 &&
unlikely(rte_ring_dequeue_bulk(rx_ring, pkts, rx_pkts) != 0))
rx_pkts = (uint16_t)RTE_MIN(rte_ring_count(rx_ring), PKT_READ_SIZE);
if (unlikely(rx_pkts == 0)) {
if (need_flush)
for (port = 0; port < ports->num_ports; port++) {
sent = rte_eth_tx_buffer_flush(ports->id[port], client_id,
tx_buffer[port]);
if (unlikely(sent))
tx_stats->tx[port] += sent;
}
need_flush = 0;
continue;
}
for (i = 0; i < rx_pkts; i++)
handle_packet(pkts[i]);
need_flush = 1;
}
}
