void
rte_ivshmem_metadata_dump(FILE *f, const char *name)
{
unsigned i = 0;
struct ivshmem_config * config;
struct rte_ivshmem_metadata_entry *entry;
#ifdef RTE_LIBRTE_IVSHMEM_DEBUG
uint64_t addr;
uint64_t end, hugepage_sz;
struct memseg_cache_entry e;
#endif
if (name == NULL)
return;
/* return error if we try to use an unknown config file */
config = get_config_by_name(name);
if (config == NULL) {
RTE_LOG(ERR, EAL, "Cannot find IVSHMEM config %s!\n", name);
return;
}
rte_spinlock_lock(&config->sl);
entry = &config->metadata->entry[0];
while (entry->mz.addr != NULL && i < RTE_DIM(config->metadata->entry)) {
fprintf(f, "Entry %u: name:<%-20s>, phys:0x%-15lx, len:0x%-15lx, "
"virt:%-15p, off:0x%-15lx\n",
i,
entry->mz.name,
entry->mz.phys_addr,
entry->mz.len,
entry->mz.addr,
entry->offset);
i++;
#ifdef RTE_LIBRTE_IVSHMEM_DEBUG
fprintf(f, "\tHugepage files:\n");
hugepage_sz = entry->mz.hugepage_sz;
addr = RTE_ALIGN_FLOOR(entry->mz.addr_64, hugepage_sz);
end = addr + RTE_ALIGN_CEIL(entry->mz.len + (entry->mz.addr_64 - addr),
hugepage_sz);
for (; addr < end; addr += hugepage_sz) {
memset(&e, 0, sizeof(e));
get_hugefile_by_virt_addr(addr, &e);
fprintf(f, "\t0x%"PRIx64 "-0x%" PRIx64 " offset: 0x%" PRIx64 " %s\n",
addr, addr + hugepage_sz, e.offset, e.filepath);
}
#endif
entry++;
}
rte_spinlock_unlock(&config->sl);
}
/*
* free a malloc_elem block by adding it to the free list. If the
* blocks either immediately before or immediately after newly freed block
* are also free, the blocks are merged together.
*/
int
malloc_elem_free(struct malloc_elem *elem)
{
if (!malloc_elem_cookies_ok(elem) || elem->state != ELEM_BUSY)
return -1;
rte_spinlock_lock(&(elem->heap->lock));
struct malloc_elem *next = RTE_PTR_ADD(elem, elem->size);
if (next->state == ELEM_FREE){
/* remove from free list, join to this one */
elem_free_list_remove(next);
join_elem(elem, next);
}
/* check if previous element is free, if so join with it and return,
* need to re-insert in free list, as that element's size is changing
*/
if (elem->prev != NULL && elem->prev->state == ELEM_FREE) {
elem_free_list_remove(elem->prev);
join_elem(elem->prev, elem);
malloc_elem_free_list_insert(elem->prev);
}
/* otherwise add ourselves to the free list */
else {
malloc_elem_free_list_insert(elem);
elem->pad = 0;
}
/* decrease heap's count of allocated elements */
elem->heap->alloc_count--;
rte_spinlock_unlock(&(elem->heap->lock));
return 0;
}
static int
stack_dequeue(struct rte_mempool *mp, void **obj_table,
unsigned n)
{
struct rte_mempool_stack *s = mp->pool_data;
void **cache_objs;
unsigned index, len;
rte_spinlock_lock(&s->sl);
if (unlikely(n > s->len)) {
rte_spinlock_unlock(&s->sl);
return -ENOENT;
}
cache_objs = s->objs;
for (index = 0, len = s->len - 1; index < n;
++index, len--, obj_table++)
*obj_table = cache_objs[len];
s->len -= n;
rte_spinlock_unlock(&s->sl);
return 0;
}
int mc_send_command(struct fsl_mc_io *mc_io, struct mc_command *cmd)
{
enum mc_cmd_status status;
uint64_t response;
if (!mc_io || !mc_io->regs)
return -EACCES;
/* --- Call lock function here in case portal is shared --- */
rte_spinlock_lock(&mc_portal_lock);
mc_write_command(mc_io->regs, cmd);
/* Spin until status changes */
do {
response = ioread64(mc_io->regs);
status = mc_cmd_read_status((struct mc_command *)&response);
/* --- Call wait function here to prevent blocking ---
* Change the loop condition accordingly to exit on timeout.
*/
} while (status == MC_CMD_STATUS_READY);
/* Read the response back into the command buffer */
mc_read_response(mc_io->regs, cmd);
/* --- Call unlock function here in case portal is shared --- */
rte_spinlock_unlock(&mc_portal_lock);
return mc_status_to_error(status);
}
static int
stack_enqueue(struct rte_mempool *mp, void * const *obj_table,
unsigned n)
{
struct rte_mempool_stack *s = mp->pool_data;
void **cache_objs;
unsigned index;
rte_spinlock_lock(&s->sl);
cache_objs = &s->objs[s->len];
/* Is there sufficient space in the stack ? */
if ((s->len + n) > s->size) {
rte_spinlock_unlock(&s->sl);
return -ENOBUFS;
}
/* Add elements back into the cache */
for (index = 0; index < n; ++index, obj_table++)
cache_objs[index] = *obj_table;
s->len += n;
rte_spinlock_unlock(&s->sl);
return 0;
}
int
sfc_ev_start(struct sfc_adapter *sa)
{
int rc;
sfc_log_init(sa, "entry");
rc = efx_ev_init(sa->nic);
if (rc != 0)
goto fail_ev_init;
/* Start management EVQ used for global events */
/*
* Management event queue start polls the queue, but it cannot
* interfere with other polling contexts since mgmt_evq_running
* is false yet.
*/
rc = sfc_ev_qstart(sa->mgmt_evq, sa->mgmt_evq_index);
if (rc != 0)
goto fail_mgmt_evq_start;
rte_spinlock_lock(&sa->mgmt_evq_lock);
sa->mgmt_evq_running = true;
rte_spinlock_unlock(&sa->mgmt_evq_lock);
if (sa->intr.lsc_intr) {
rc = sfc_ev_qprime(sa->mgmt_evq);
if (rc != 0)
goto fail_mgmt_evq_prime;
}
/*
* Start management EVQ polling. If interrupts are disabled
* (not used), it is required to process link status change
* and other device level events to avoid unrecoverable
* error because the event queue overflow.
*/
sfc_ev_mgmt_periodic_qpoll_start(sa);
/*
* Rx/Tx event queues are started/stopped when corresponding
* Rx/Tx queue is started/stopped.
*/
return 0;
fail_mgmt_evq_prime:
sfc_ev_qstop(sa->mgmt_evq);
fail_mgmt_evq_start:
efx_ev_fini(sa->nic);
fail_ev_init:
sfc_log_init(sa, "failed %d", rc);
return rc;
}
int rte_ivshmem_metadata_create(const char *name)
{
struct ivshmem_config * ivshmem_config;
unsigned index;
if (pagesz == 0)
pagesz = getpagesize();
if (name == NULL)
return -1;
rte_spinlock_lock(&global_cfg_sl);
for (index = 0; index < RTE_DIM(ivshmem_global_config); index++) {
if (ivshmem_global_config[index].metadata == NULL) {
ivshmem_config = &ivshmem_global_config[index];
break;
}
}
if (index == RTE_DIM(ivshmem_global_config)) {
RTE_LOG(ERR, EAL, "Cannot create more ivshmem config files. "
"Maximum has been reached\n");
rte_spinlock_unlock(&global_cfg_sl);
return -1;
}
ivshmem_config->lock.l_type = F_WRLCK;
ivshmem_config->lock.l_whence = SEEK_SET;
ivshmem_config->lock.l_start = 0;
ivshmem_config->lock.l_len = METADATA_SIZE_ALIGNED;
ivshmem_global_config[index].metadata = ((struct rte_ivshmem_metadata *)
ivshmem_metadata_create(
name,
sizeof(struct rte_ivshmem_metadata),
&ivshmem_config->lock));
if (ivshmem_global_config[index].metadata == NULL) {
rte_spinlock_unlock(&global_cfg_sl);
return -1;
}
/* Metadata setup */
memset(ivshmem_config->metadata, 0, sizeof(struct rte_ivshmem_metadata));
ivshmem_config->metadata->magic_number = IVSHMEM_MAGIC;
snprintf(ivshmem_config->metadata->name,
sizeof(ivshmem_config->metadata->name), "%s", name);
rte_spinlock_unlock(&global_cfg_sl);
return 0;
}
/* Dump log history to file */
void
rte_log_dump_history(FILE *out)
{
struct log_history_list tmp_log_history;
struct log_history *hist_buf;
unsigned i;
/* only one dump at a time */
rte_spinlock_lock(&log_dump_lock);
/* save list, and re-init to allow logging during dump */
rte_spinlock_lock(&log_list_lock);
tmp_log_history = log_history;
STAILQ_INIT(&log_history);
rte_spinlock_unlock(&log_list_lock);
for (i=0; i<RTE_LOG_HISTORY; i++) {
/* remove one message from history list */
hist_buf = STAILQ_FIRST(&tmp_log_history);
if (hist_buf == NULL)
break;
STAILQ_REMOVE_HEAD(&tmp_log_history, next);
/* write on stdout */
if (fwrite(hist_buf->buf, hist_buf->size, 1, out) == 0) {
rte_mempool_mp_put(log_history_mp, hist_buf);
break;
}
/* put back message structure in pool */
rte_mempool_mp_put(log_history_mp, hist_buf);
}
fflush(out);
rte_spinlock_unlock(&log_dump_lock);
}
int
rte_netmap_close(__rte_unused int fd)
{
int32_t rc;
rte_spinlock_lock(&netmap_lock);
rc = fd_release(fd);
rte_spinlock_unlock(&netmap_lock);
if (rc < 0) {
errno =-rc;
rc = -1;
}
return (rc);
}
void
sfc_ev_stop(struct sfc_adapter *sa)
{
sfc_log_init(sa, "entry");
sfc_ev_mgmt_periodic_qpoll_stop(sa);
rte_spinlock_lock(&sa->mgmt_evq_lock);
sa->mgmt_evq_running = false;
rte_spinlock_unlock(&sa->mgmt_evq_lock);
sfc_ev_qstop(sa->mgmt_evq);
efx_ev_fini(sa->nic);
}
static void
sfc_mcdi_execute(void *arg, efx_mcdi_req_t *emrp)
{
struct sfc_adapter *sa = (struct sfc_adapter *)arg;
struct sfc_mcdi *mcdi = &sa->mcdi;
rte_spinlock_lock(&mcdi->lock);
SFC_ASSERT(mcdi->state == SFC_MCDI_INITIALIZED);
efx_mcdi_request_start(sa->nic, emrp, B_FALSE);
sfc_mcdi_poll(sa);
rte_spinlock_unlock(&mcdi->lock);
}
/**
* Return a "fake" file descriptor with a value above RLIMIT_NOFILE so that
* any attempt to use that file descriptor with the usual API will fail.
*/
int
rte_netmap_open(__rte_unused const char *pathname, __rte_unused int flags)
{
int fd;
rte_spinlock_lock(&netmap_lock);
fd = fd_reserve();
rte_spinlock_unlock(&netmap_lock);
if (fd < 0) {
errno = -fd;
fd = -1;
}
return (fd);
}
static void
kni_memzone_pool_release(struct rte_kni_memzone_slot *slot)
{
rte_spinlock_lock(&kni_memzone_pool.mutex);
if (kni_memzone_pool.free)
kni_memzone_pool.free_tail->next = slot;
else
kni_memzone_pool.free = slot;
kni_memzone_pool.free_tail = slot;
slot->next = NULL;
slot->in_use = 0;
rte_spinlock_unlock(&kni_memzone_pool.mutex);
}
int
rte_log_add_in_history(const char *buf, size_t size)
{
struct log_history *hist_buf = NULL;
static const unsigned hist_buf_size = LOG_ELT_SIZE - sizeof(*hist_buf);
void *obj;
if (history_enabled == 0)
return 0;
rte_spinlock_lock(&log_list_lock);
/* get a buffer for adding in history */
if (log_history_size > RTE_LOG_HISTORY) {
hist_buf = STAILQ_FIRST(&log_history);
STAILQ_REMOVE_HEAD(&log_history, next);
}
else {
if (rte_mempool_mc_get(log_history_mp, &obj) < 0)
obj = NULL;
hist_buf = obj;
}
/* no buffer */
if (hist_buf == NULL) {
rte_spinlock_unlock(&log_list_lock);
return -ENOBUFS;
}
/* not enough room for msg, buffer go back in mempool */
if (size >= hist_buf_size) {
rte_mempool_mp_put(log_history_mp, hist_buf);
rte_spinlock_unlock(&log_list_lock);
return -ENOBUFS;
}
/* add in history */
memcpy(hist_buf->buf, buf, size);
hist_buf->buf[size] = hist_buf->buf[hist_buf_size-1] = '\0';
hist_buf->size = size;
STAILQ_INSERT_TAIL(&log_history, hist_buf, next);
log_history_size++;
rte_spinlock_unlock(&log_list_lock);
return 0;
}
/* add a new ops struct in rte_mempool_ops_table, return its index. */
int
rte_mempool_register_ops(const struct rte_mempool_ops *h)
{
struct rte_mempool_ops *ops;
int16_t ops_index;
rte_spinlock_lock(&rte_mempool_ops_table.sl);
if (rte_mempool_ops_table.num_ops >=
RTE_MEMPOOL_MAX_OPS_IDX) {
rte_spinlock_unlock(&rte_mempool_ops_table.sl);
RTE_LOG(ERR, MEMPOOL,
"Maximum number of mempool ops structs exceeded\n");
return -ENOSPC;
}
if (h->alloc == NULL || h->enqueue == NULL ||
h->dequeue == NULL || h->get_count == NULL) {
rte_spinlock_unlock(&rte_mempool_ops_table.sl);
RTE_LOG(ERR, MEMPOOL,
"Missing callback while registering mempool ops\n");
return -EINVAL;
}
if (strlen(h->name) >= sizeof(ops->name) - 1) {
rte_spinlock_unlock(&rte_mempool_ops_table.sl);
RTE_LOG(DEBUG, EAL, "%s(): mempool_ops <%s>: name too long\n",
__func__, h->name);
rte_errno = EEXIST;
return -EEXIST;
}
ops_index = rte_mempool_ops_table.num_ops++;
ops = &rte_mempool_ops_table.ops[ops_index];
snprintf(ops->name, sizeof(ops->name), "%s", h->name);
ops->alloc = h->alloc;
ops->free = h->free;
ops->enqueue = h->enqueue;
ops->dequeue = h->dequeue;
ops->get_count = h->get_count;
rte_spinlock_unlock(&rte_mempool_ops_table.sl);
return ops_index;
}
int
rte_assign_lcore_id (void)
{
int ret = -1;
unsigned lcore_id;
struct rte_config *config = rte_eal_get_configuration();
rte_spinlock_lock(&lcore_sl);
/* See whether this already has an lcore ID */
lcore_id = rte_lcore_id();
if (lcore_id == (unsigned)-1)
{
/* Find the first available LCORE with a CPU detection state that
* indicates OFF
*/
for (lcore_id = 0;
(lcore_id < RTE_MAX_LCORE) && (config->lcore_role[lcore_id] == ROLE_OFF);
++lcore_id);
/* if we found one, assign it */
if (lcore_id < RTE_MAX_LCORE)
{
config->lcore_role[lcore_id] = ROLE_RTE;
/* These are floating lcores - no core id or socket id */
lcore_config[lcore_id].core_id = LCORE_ID_ANY;
lcore_config[lcore_id].socket_id = SOCKET_ID_ANY;
lcore_config[lcore_id].f = NULL;
lcore_config[lcore_id].thread_id = pthread_self();
lcore_config[lcore_id].detected = 0; /* Core was not detected */
lcore_config[lcore_id].state = RUNNING;
config->lcore_count++;
ret = lcore_id;
RTE_PER_LCORE(_lcore_id) = lcore_id;
}
}
rte_spinlock_unlock(&lcore_sl);
return ret;
}
static int
add_memzone_to_metadata(const struct rte_memzone * mz,
struct ivshmem_config * config)
{
struct rte_ivshmem_metadata_entry * entry;
unsigned i;
rte_spinlock_lock(&config->sl);
/* find free slot in this config */
for (i = 0; i < RTE_DIM(config->metadata->entry); i++) {
entry = &config->metadata->entry[i];
if (&entry->mz.addr_64 != 0 && overlap(mz, &entry->mz)) {
RTE_LOG(ERR, EAL, "Overlapping memzones!\n");
goto fail;
}
/* if addr is zero, the memzone is probably free */
if (entry->mz.addr_64 == 0) {
RTE_LOG(DEBUG, EAL, "Adding memzone '%s' at %p to metadata %s\n",
mz->name, mz->addr, config->metadata->name);
memcpy(&entry->mz, mz, sizeof(struct rte_memzone));
/* run config file parser */
if (build_config(config->metadata) < 0)
goto fail;
break;
}
}
/* if we reached the maximum, that means we have no place in config */
if (i == RTE_DIM(config->metadata->entry)) {
RTE_LOG(ERR, EAL, "No space left in IVSHMEM metadata %s!\n",
config->metadata->name);
goto fail;
}
rte_spinlock_unlock(&config->sl);
return 0;
fail:
rte_spinlock_unlock(&config->sl);
return -1;
}
struct rte_mempool* init_mem(uint32_t nb_mbuf, uint32_t socket, uint32_t mbuf_size) {
static volatile uint32_t mbuf_cnt = 0;
char pool_name[32];
sprintf(pool_name, "mbuf_pool%d", __sync_fetch_and_add(&mbuf_cnt, 1));
// rte_mempool_create is apparently not thread-safe :(
static rte_spinlock_t lock = RTE_SPINLOCK_INITIALIZER;
rte_spinlock_lock(&lock);
struct rte_mempool* pool = rte_pktmbuf_pool_create(pool_name, nb_mbuf, MEMPOOL_CACHE_SIZE,
0, mbuf_size + RTE_PKTMBUF_HEADROOM,
socket
);
rte_spinlock_unlock(&lock);
if (!pool) {
printf("Memory allocation failed: %s (%d)\n", rte_strerror(-rte_errno), rte_errno);
return 0;
}
return pool;
}
/**
* Simulate a Netmap NIOCREGIF ioctl:
*/
static int
ioctl_niocregif(int32_t fd, void * param)
{
uint8_t portid;
int32_t rc;
uint32_t idx;
struct nmreq *req;
req = (struct nmreq *)param;
if ((rc = check_nmreq(req, &portid)) != 0)
return (rc);
idx = FD_TO_IDX(fd);
rte_spinlock_lock(&netmap_lock);
rc = netmap_regif(req, idx, portid);
rte_spinlock_unlock(&netmap_lock);
return (rc);
}
struct rte_mempool* init_mem(uint32_t nb_mbuf, int32_t socket) {
static volatile uint32_t mbuf_cnt = 0;
char pool_name[32];
sprintf(pool_name, "mbuf_pool%d", __sync_fetch_and_add(&mbuf_cnt, 1));
// rte_mempool_create is apparently not thread-safe :(
static rte_spinlock_t lock = RTE_SPINLOCK_INITIALIZER;
rte_spinlock_lock(&lock);
struct rte_mempool* pool = rte_mempool_create(pool_name, nb_mbuf, MBUF_SIZE, MEMPOOL_CACHE_SIZE,
sizeof(struct rte_pktmbuf_pool_private),
rte_pktmbuf_pool_init, NULL,
rte_pktmbuf_init, NULL,
socket < 0 ? rte_socket_id() : (uint32_t) socket, 0
);
rte_spinlock_unlock(&lock);
if (!pool) {
printf("Memory allocation failed: %s (%d)\n", rte_strerror(rte_errno), rte_errno);
return 0;
}
return pool;
}
int
rte_eth_bond_slave_remove(uint8_t bonded_port_id, uint8_t slave_port_id)
{
struct rte_eth_dev *bonded_eth_dev;
struct bond_dev_private *internals;
int retval;
if (valid_bonded_port_id(bonded_port_id) != 0)
return -1;
bonded_eth_dev = &rte_eth_devices[bonded_port_id];
internals = bonded_eth_dev->data->dev_private;
rte_spinlock_lock(&internals->lock);
retval = __eth_bond_slave_remove_lock_free(bonded_port_id, slave_port_id);
rte_spinlock_unlock(&internals->lock);
return retval;
}
static inline int
mbox_send(struct mbox *m, struct octeontx_mbox_hdr *hdr, const void *txmsg,
uint16_t txsize, void *rxmsg, uint16_t rxsize)
{
int res = -EINVAL;
if (m->init_once == 0 || hdr == NULL ||
txsize > MAX_RAM_MBOX_LEN || rxsize > MAX_RAM_MBOX_LEN) {
mbox_log_err("Invalid init_once=%d hdr=%p txsz=%d rxsz=%d",
m->init_once, hdr, txsize, rxsize);
return res;
}
rte_spinlock_lock(&m->lock);
mbox_send_request(m, hdr, txmsg, txsize);
res = mbox_wait_response(m, hdr, rxmsg, rxsize);
rte_spinlock_unlock(&m->lock);
return res;
}
int
rte_eth_bond_slave_add(uint8_t bonded_port_id, uint8_t slave_port_id)
{
struct rte_eth_dev *bonded_eth_dev;
struct bond_dev_private *internals;
int retval;
/* Verify that port id's are valid bonded and slave ports */
if (valid_bonded_port_id(bonded_port_id) != 0)
return -1;
bonded_eth_dev = &rte_eth_devices[bonded_port_id];
internals = bonded_eth_dev->data->dev_private;
rte_spinlock_lock(&internals->lock);
retval = __eth_bond_slave_add_lock_free(bonded_port_id, slave_port_id);
rte_spinlock_unlock(&internals->lock);
return retval;
}
/* Pool mgmt */
static struct rte_kni_memzone_slot*
kni_memzone_pool_alloc(void)
{
struct rte_kni_memzone_slot *slot;
rte_spinlock_lock(&kni_memzone_pool.mutex);
if (!kni_memzone_pool.free) {
rte_spinlock_unlock(&kni_memzone_pool.mutex);
return NULL;
}
slot = kni_memzone_pool.free;
kni_memzone_pool.free = slot->next;
slot->in_use = 1;
if (!kni_memzone_pool.free)
kni_memzone_pool.free_tail = NULL;
rte_spinlock_unlock(&kni_memzone_pool.mutex);
return slot;
}
/*
* attempt to resize a malloc_elem by expanding into any free space
* immediately after it in memory.
*/
int
malloc_elem_resize(struct malloc_elem *elem, size_t size)
{
const size_t new_size = size + MALLOC_ELEM_OVERHEAD;
/* if we request a smaller size, then always return ok */
const size_t current_size = elem->size - elem->pad;
if (current_size >= new_size)
return 0;
struct malloc_elem *next = RTE_PTR_ADD(elem, elem->size);
rte_spinlock_lock(&elem->heap->lock);
if (next ->state != ELEM_FREE)
goto err_return;
if (current_size + next->size < new_size)
goto err_return;
/* we now know the element fits, so remove from free list,
* join the two
*/
elem_free_list_remove(next);
join_elem(elem, next);
if (elem->size - new_size >= MIN_DATA_SIZE + MALLOC_ELEM_OVERHEAD){
/* now we have a big block together. Lets cut it down a bit, by splitting */
struct malloc_elem *split_pt = RTE_PTR_ADD(elem, new_size);
split_pt = RTE_PTR_ALIGN_CEIL(split_pt, RTE_CACHE_LINE_SIZE);
split_elem(elem, split_pt);
malloc_elem_free_list_insert(split_pt);
}
rte_spinlock_unlock(&elem->heap->lock);
return 0;
err_return:
rte_spinlock_unlock(&elem->heap->lock);
return -1;
}
void
sfc_mcdi_fini(struct sfc_adapter *sa)
{
struct sfc_mcdi *mcdi;
efx_mcdi_transport_t *emtp;
sfc_log_init(sa, "entry");
mcdi = &sa->mcdi;
emtp = &mcdi->transport;
rte_spinlock_lock(&mcdi->lock);
SFC_ASSERT(mcdi->state == SFC_MCDI_INITIALIZED);
mcdi->state = SFC_MCDI_UNINITIALIZED;
sfc_log_init(sa, "fini MCDI");
efx_mcdi_fini(sa->nic);
memset(emtp, 0, sizeof(*emtp));
rte_spinlock_unlock(&mcdi->lock);
sfc_dma_free(sa, &mcdi->mem);
}
/**
* Simulate a Netmap NIOCUNREGIF ioctl: put an interface running in Netmap
* mode back in "normal" mode. In our case, we just stop the port associated
* with this file descriptor.
*/
static int
ioctl_niocunregif(int fd)
{
uint32_t idx, port;
int32_t rc;
idx = FD_TO_IDX(fd);
rte_spinlock_lock(&netmap_lock);
port = fd_port[idx].port;
if (port < RTE_DIM(ports) && ports[port].fd == idx) {
netmap_unregif(idx, port);
rc = 0;
} else {
RTE_LOG(ERR, USER1,
"%s: %d is not associated with valid port\n",
__func__, fd);
rc = -EINVAL;
}
rte_spinlock_unlock(&netmap_lock);
return (rc);
}
int
rte_ivshmem_metadata_cmdline_generate(char *buffer, unsigned size, const char *name)
{
const struct memseg_cache_entry * ms_cache, *entry;
struct ivshmem_config * config;
char cmdline[IVSHMEM_QEMU_CMDLINE_BUFSIZE], *cmdline_ptr;
char cfg_file_path[PATH_MAX];
unsigned remaining_len, tmplen, iter;
uint64_t shared_mem_size, zero_size, total_size;
if (buffer == NULL || name == NULL)
return -1;
config = get_config_by_name(name);
if (config == NULL) {
RTE_LOG(ERR, EAL, "Config %s not found!\n", name);
return -1;
}
rte_spinlock_lock(&config->sl);
/* prepare metadata file path */
snprintf(cfg_file_path, sizeof(cfg_file_path), IVSHMEM_CONFIG_FILE_FMT,
config->metadata->name);
ms_cache = config->memseg_cache;
cmdline_ptr = cmdline;
remaining_len = sizeof(cmdline);
shared_mem_size = 0;
iter = 0;
while ((ms_cache[iter].len != 0) && (iter < RTE_DIM(config->metadata->entry))) {
entry = &ms_cache[iter];
/* Offset and sizes within the current pathname */
tmplen = snprintf(cmdline_ptr, remaining_len, IVSHMEM_QEMU_CMD_FD_FMT,
entry->filepath, entry->offset, entry->len);
shared_mem_size += entry->len;
cmdline_ptr = RTE_PTR_ADD(cmdline_ptr, tmplen);
remaining_len -= tmplen;
if (remaining_len == 0) {
RTE_LOG(ERR, EAL, "Command line too long!\n");
rte_spinlock_unlock(&config->sl);
return -1;
}
iter++;
}
total_size = rte_align64pow2(shared_mem_size + METADATA_SIZE_ALIGNED);
zero_size = total_size - shared_mem_size - METADATA_SIZE_ALIGNED;
/* add /dev/zero to command-line to fill the space */
tmplen = snprintf(cmdline_ptr, remaining_len, IVSHMEM_QEMU_CMD_FD_FMT,
"/dev/zero",
(uint64_t)0x0,
zero_size);
cmdline_ptr = RTE_PTR_ADD(cmdline_ptr, tmplen);
remaining_len -= tmplen;
if (remaining_len == 0) {
RTE_LOG(ERR, EAL, "Command line too long!\n");
rte_spinlock_unlock(&config->sl);
return -1;
}
/* add metadata file to the end of command-line */
tmplen = snprintf(cmdline_ptr, remaining_len, IVSHMEM_QEMU_CMD_FD_FMT,
cfg_file_path,
(uint64_t)0x0,
METADATA_SIZE_ALIGNED);
cmdline_ptr = RTE_PTR_ADD(cmdline_ptr, tmplen);
remaining_len -= tmplen;
if (remaining_len == 0) {
RTE_LOG(ERR, EAL, "Command line too long!\n");
rte_spinlock_unlock(&config->sl);
return -1;
}
/* if current length of the command line is bigger than the buffer supplied
* by the user, or if command-line is bigger than what IVSHMEM accepts */
if ((sizeof(cmdline) - remaining_len) > size) {
RTE_LOG(ERR, EAL, "Buffer is too short!\n");
rte_spinlock_unlock(&config->sl);
return -1;
}
/* complete the command-line */
snprintf(buffer, size,
IVSHMEM_QEMU_CMD_LINE_HEADER_FMT,
total_size >> 20,
cmdline);
rte_spinlock_unlock(&config->sl);
return 0;
}
int
rte_event_eth_rx_adapter_queue_del(uint8_t id, uint8_t eth_dev_id,
int32_t rx_queue_id)
{
int ret = 0;
struct rte_eventdev *dev;
struct rte_event_eth_rx_adapter *rx_adapter;
struct eth_device_info *dev_info;
uint32_t cap;
uint16_t i;
RTE_EVENT_ETH_RX_ADAPTER_ID_VALID_OR_ERR_RET(id, -EINVAL);
RTE_ETH_VALID_PORTID_OR_ERR_RET(eth_dev_id, -EINVAL);
rx_adapter = id_to_rx_adapter(id);
if (rx_adapter == NULL)
return -EINVAL;
dev = &rte_eventdevs[rx_adapter->eventdev_id];
ret = rte_event_eth_rx_adapter_caps_get(rx_adapter->eventdev_id,
eth_dev_id,
&cap);
if (ret)
return ret;
if (rx_queue_id != -1 && (uint16_t)rx_queue_id >=
rte_eth_devices[eth_dev_id].data->nb_rx_queues) {
RTE_EDEV_LOG_ERR("Invalid rx queue_id %" PRIu16,
(uint16_t)rx_queue_id);
return -EINVAL;
}
dev_info = &rx_adapter->eth_devices[eth_dev_id];
if (cap & RTE_EVENT_ETH_RX_ADAPTER_CAP_INTERNAL_PORT) {
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->eth_rx_adapter_queue_del,
-ENOTSUP);
ret = (*dev->dev_ops->eth_rx_adapter_queue_del)(dev,
&rte_eth_devices[eth_dev_id],
rx_queue_id);
if (ret == 0) {
update_queue_info(rx_adapter,
&rx_adapter->eth_devices[eth_dev_id],
rx_queue_id,
0);
if (dev_info->nb_dev_queues == 0) {
rte_free(dev_info->rx_queue);
dev_info->rx_queue = NULL;
}
}
} else {
int rc;
rte_spinlock_lock(&rx_adapter->rx_lock);
if (rx_queue_id == -1) {
for (i = 0; i < dev_info->dev->data->nb_rx_queues; i++)
event_eth_rx_adapter_queue_del(rx_adapter,
dev_info,
i);
} else {
event_eth_rx_adapter_queue_del(rx_adapter,
dev_info,
(uint16_t)rx_queue_id);
}
rc = eth_poll_wrr_calc(rx_adapter);
if (rc)
RTE_EDEV_LOG_ERR("WRR recalculation failed %" PRId32,
rc);
if (dev_info->nb_dev_queues == 0) {
rte_free(dev_info->rx_queue);
dev_info->rx_queue = NULL;
}
rte_spinlock_unlock(&rx_adapter->rx_lock);
rte_service_component_runstate_set(rx_adapter->service_id,
sw_rx_adapter_queue_count(rx_adapter));
}
return ret;
}
int
rte_event_eth_rx_adapter_queue_add(uint8_t id,
uint8_t eth_dev_id,
int32_t rx_queue_id,
const struct rte_event_eth_rx_adapter_queue_conf *queue_conf)
{
int ret;
uint32_t cap;
struct rte_event_eth_rx_adapter *rx_adapter;
struct rte_eventdev *dev;
struct eth_device_info *dev_info;
int start_service;
RTE_EVENT_ETH_RX_ADAPTER_ID_VALID_OR_ERR_RET(id, -EINVAL);
RTE_ETH_VALID_PORTID_OR_ERR_RET(eth_dev_id, -EINVAL);
rx_adapter = id_to_rx_adapter(id);
if ((rx_adapter == NULL) || (queue_conf == NULL))
return -EINVAL;
dev = &rte_eventdevs[rx_adapter->eventdev_id];
ret = rte_event_eth_rx_adapter_caps_get(rx_adapter->eventdev_id,
eth_dev_id,
&cap);
if (ret) {
RTE_EDEV_LOG_ERR("Failed to get adapter caps edev %" PRIu8
"eth port %" PRIu8, id, eth_dev_id);
return ret;
}
if ((cap & RTE_EVENT_ETH_RX_ADAPTER_CAP_OVERRIDE_FLOW_ID) == 0
&& (queue_conf->rx_queue_flags &
RTE_EVENT_ETH_RX_ADAPTER_QUEUE_FLOW_ID_VALID)) {
RTE_EDEV_LOG_ERR("Flow ID override is not supported,"
" eth port: %" PRIu8 " adapter id: %" PRIu8,
eth_dev_id, id);
return -EINVAL;
}
if ((cap & RTE_EVENT_ETH_RX_ADAPTER_CAP_MULTI_EVENTQ) == 0 &&
(rx_queue_id != -1)) {
RTE_EDEV_LOG_ERR("Rx queues can only be connected to single "
"event queue id %u eth port %u", id, eth_dev_id);
return -EINVAL;
}
if (rx_queue_id != -1 && (uint16_t)rx_queue_id >=
rte_eth_devices[eth_dev_id].data->nb_rx_queues) {
RTE_EDEV_LOG_ERR("Invalid rx queue_id %" PRIu16,
(uint16_t)rx_queue_id);
return -EINVAL;
}
start_service = 0;
dev_info = &rx_adapter->eth_devices[eth_dev_id];
if (cap & RTE_EVENT_ETH_RX_ADAPTER_CAP_INTERNAL_PORT) {
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->eth_rx_adapter_queue_add,
-ENOTSUP);
if (dev_info->rx_queue == NULL) {
dev_info->rx_queue =
rte_zmalloc_socket(rx_adapter->mem_name,
dev_info->dev->data->nb_rx_queues *
sizeof(struct eth_rx_queue_info), 0,
rx_adapter->socket_id);
if (dev_info->rx_queue == NULL)
return -ENOMEM;
}
ret = (*dev->dev_ops->eth_rx_adapter_queue_add)(dev,
&rte_eth_devices[eth_dev_id],
rx_queue_id, queue_conf);
if (ret == 0) {
update_queue_info(rx_adapter,
&rx_adapter->eth_devices[eth_dev_id],
rx_queue_id,
1);
}
} else {
rte_spinlock_lock(&rx_adapter->rx_lock);
ret = init_service(rx_adapter, id);
if (ret == 0)
ret = add_rx_queue(rx_adapter, eth_dev_id, rx_queue_id,
queue_conf);
rte_spinlock_unlock(&rx_adapter->rx_lock);
if (ret == 0)
start_service = !!sw_rx_adapter_queue_count(rx_adapter);
}
if (ret)
return ret;
if (start_service)
rte_service_component_runstate_set(rx_adapter->service_id, 1);
return 0;
}