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e97f83e452
numam-dpdk/lib/librte_ethdev/rte_ethdev.c
Stephen Hemminger e97f83e452 ethdev: replace snprintf with strlcpy for owner 
The set_port_owner was copying a string between structures of the
same type, therefore the name could never be truncated (unless source
string was not null terminated).  Use strlcpy which does it better.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Acked-by: Andrew Rybchenko <arybchenko@solarflare.com>
2019-03-20 18:15:42 +01:00

4482 lines
110 KiB
C
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/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2010-2017 Intel Corporation
*/
#include <sys/types.h>
#include <sys/queue.h>
#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#include <errno.h>
#include <stdbool.h>
#include <stdint.h>
#include <inttypes.h>
#include <netinet/in.h>
#include <rte_byteorder.h>
#include <rte_log.h>
#include <rte_debug.h>
#include <rte_interrupts.h>
#include <rte_memory.h>
#include <rte_memcpy.h>
#include <rte_memzone.h>
#include <rte_launch.h>
#include <rte_eal.h>
#include <rte_per_lcore.h>
#include <rte_lcore.h>
#include <rte_atomic.h>
#include <rte_branch_prediction.h>
#include <rte_common.h>
#include <rte_mempool.h>
#include <rte_malloc.h>
#include <rte_mbuf.h>
#include <rte_errno.h>
#include <rte_spinlock.h>
#include <rte_string_fns.h>
#include <rte_kvargs.h>
#include <rte_class.h>
#include "rte_ether.h"
#include "rte_ethdev.h"
#include "rte_ethdev_driver.h"
#include "ethdev_profile.h"
#include "ethdev_private.h"
int rte_eth_dev_logtype;
static const char *MZ_RTE_ETH_DEV_DATA = "rte_eth_dev_data";
struct rte_eth_dev rte_eth_devices[RTE_MAX_ETHPORTS];
/* spinlock for eth device callbacks */
static rte_spinlock_t rte_eth_dev_cb_lock = RTE_SPINLOCK_INITIALIZER;
/* spinlock for add/remove rx callbacks */
static rte_spinlock_t rte_eth_rx_cb_lock = RTE_SPINLOCK_INITIALIZER;
/* spinlock for add/remove tx callbacks */
static rte_spinlock_t rte_eth_tx_cb_lock = RTE_SPINLOCK_INITIALIZER;
/* spinlock for shared data allocation */
static rte_spinlock_t rte_eth_shared_data_lock = RTE_SPINLOCK_INITIALIZER;
/* store statistics names and its offset in stats structure */
struct rte_eth_xstats_name_off {
char name[RTE_ETH_XSTATS_NAME_SIZE];
unsigned offset;
};
/* Shared memory between primary and secondary processes. */
static struct {
uint64_t next_owner_id;
rte_spinlock_t ownership_lock;
struct rte_eth_dev_data data[RTE_MAX_ETHPORTS];
} *rte_eth_dev_shared_data;
static const struct rte_eth_xstats_name_off rte_stats_strings[] = {
{"rx_good_packets", offsetof(struct rte_eth_stats, ipackets)},
{"tx_good_packets", offsetof(struct rte_eth_stats, opackets)},
{"rx_good_bytes", offsetof(struct rte_eth_stats, ibytes)},
{"tx_good_bytes", offsetof(struct rte_eth_stats, obytes)},
{"rx_missed_errors", offsetof(struct rte_eth_stats, imissed)},
{"rx_errors", offsetof(struct rte_eth_stats, ierrors)},
{"tx_errors", offsetof(struct rte_eth_stats, oerrors)},
{"rx_mbuf_allocation_errors", offsetof(struct rte_eth_stats,
rx_nombuf)},
};
#define RTE_NB_STATS (sizeof(rte_stats_strings) / sizeof(rte_stats_strings[0]))
static const struct rte_eth_xstats_name_off rte_rxq_stats_strings[] = {
{"packets", offsetof(struct rte_eth_stats, q_ipackets)},
{"bytes", offsetof(struct rte_eth_stats, q_ibytes)},
{"errors", offsetof(struct rte_eth_stats, q_errors)},
};
#define RTE_NB_RXQ_STATS (sizeof(rte_rxq_stats_strings) / \
sizeof(rte_rxq_stats_strings[0]))
static const struct rte_eth_xstats_name_off rte_txq_stats_strings[] = {
{"packets", offsetof(struct rte_eth_stats, q_opackets)},
{"bytes", offsetof(struct rte_eth_stats, q_obytes)},
};
#define RTE_NB_TXQ_STATS (sizeof(rte_txq_stats_strings) / \
sizeof(rte_txq_stats_strings[0]))
#define RTE_RX_OFFLOAD_BIT2STR(_name) \
{ DEV_RX_OFFLOAD_##_name, #_name }
static const struct {
uint64_t offload;
const char *name;
} rte_rx_offload_names[] = {
RTE_RX_OFFLOAD_BIT2STR(VLAN_STRIP),
RTE_RX_OFFLOAD_BIT2STR(IPV4_CKSUM),
RTE_RX_OFFLOAD_BIT2STR(UDP_CKSUM),
RTE_RX_OFFLOAD_BIT2STR(TCP_CKSUM),
RTE_RX_OFFLOAD_BIT2STR(TCP_LRO),
RTE_RX_OFFLOAD_BIT2STR(QINQ_STRIP),
RTE_RX_OFFLOAD_BIT2STR(OUTER_IPV4_CKSUM),
RTE_RX_OFFLOAD_BIT2STR(MACSEC_STRIP),
RTE_RX_OFFLOAD_BIT2STR(HEADER_SPLIT),
RTE_RX_OFFLOAD_BIT2STR(VLAN_FILTER),
RTE_RX_OFFLOAD_BIT2STR(VLAN_EXTEND),
RTE_RX_OFFLOAD_BIT2STR(JUMBO_FRAME),
RTE_RX_OFFLOAD_BIT2STR(SCATTER),
RTE_RX_OFFLOAD_BIT2STR(TIMESTAMP),
RTE_RX_OFFLOAD_BIT2STR(SECURITY),
RTE_RX_OFFLOAD_BIT2STR(KEEP_CRC),
RTE_RX_OFFLOAD_BIT2STR(SCTP_CKSUM),
RTE_RX_OFFLOAD_BIT2STR(OUTER_UDP_CKSUM),
};
#undef RTE_RX_OFFLOAD_BIT2STR
#define RTE_TX_OFFLOAD_BIT2STR(_name) \
{ DEV_TX_OFFLOAD_##_name, #_name }
static const struct {
uint64_t offload;
const char *name;
} rte_tx_offload_names[] = {
RTE_TX_OFFLOAD_BIT2STR(VLAN_INSERT),
RTE_TX_OFFLOAD_BIT2STR(IPV4_CKSUM),
RTE_TX_OFFLOAD_BIT2STR(UDP_CKSUM),
RTE_TX_OFFLOAD_BIT2STR(TCP_CKSUM),
RTE_TX_OFFLOAD_BIT2STR(SCTP_CKSUM),
RTE_TX_OFFLOAD_BIT2STR(TCP_TSO),
RTE_TX_OFFLOAD_BIT2STR(UDP_TSO),
RTE_TX_OFFLOAD_BIT2STR(OUTER_IPV4_CKSUM),
RTE_TX_OFFLOAD_BIT2STR(QINQ_INSERT),
RTE_TX_OFFLOAD_BIT2STR(VXLAN_TNL_TSO),
RTE_TX_OFFLOAD_BIT2STR(GRE_TNL_TSO),
RTE_TX_OFFLOAD_BIT2STR(IPIP_TNL_TSO),
RTE_TX_OFFLOAD_BIT2STR(GENEVE_TNL_TSO),
RTE_TX_OFFLOAD_BIT2STR(MACSEC_INSERT),
RTE_TX_OFFLOAD_BIT2STR(MT_LOCKFREE),
RTE_TX_OFFLOAD_BIT2STR(MULTI_SEGS),
RTE_TX_OFFLOAD_BIT2STR(MBUF_FAST_FREE),
RTE_TX_OFFLOAD_BIT2STR(SECURITY),
RTE_TX_OFFLOAD_BIT2STR(UDP_TNL_TSO),
RTE_TX_OFFLOAD_BIT2STR(IP_TNL_TSO),
RTE_TX_OFFLOAD_BIT2STR(OUTER_UDP_CKSUM),
RTE_TX_OFFLOAD_BIT2STR(MATCH_METADATA),
};
#undef RTE_TX_OFFLOAD_BIT2STR
/**
* The user application callback description.
*
* It contains callback address to be registered by user application,
* the pointer to the parameters for callback, and the event type.
*/
struct rte_eth_dev_callback {
TAILQ_ENTRY(rte_eth_dev_callback) next; /**< Callbacks list */
rte_eth_dev_cb_fn cb_fn; /**< Callback address */
void *cb_arg; /**< Parameter for callback */
void *ret_param; /**< Return parameter */
enum rte_eth_event_type event; /**< Interrupt event type */
uint32_t active; /**< Callback is executing */
};
enum {
STAT_QMAP_TX = 0,
STAT_QMAP_RX
};
int
rte_eth_iterator_init(struct rte_dev_iterator *iter, const char *devargs_str)
{
int ret;
struct rte_devargs devargs = {.args = NULL};
const char *bus_param_key;
char *bus_str = NULL;
char *cls_str = NULL;
int str_size;
memset(iter, 0, sizeof(*iter));
/*
* The devargs string may use various syntaxes:
* - 0000:08:00.0,representor=[1-3]
* - pci:0000:06:00.0,representor=[0,5]
* - class=eth,mac=00:11:22:33:44:55
* A new syntax is in development (not yet supported):
* - bus=X,paramX=x/class=Y,paramY=y/driver=Z,paramZ=z
*/
/*
* Handle pure class filter (i.e. without any bus-level argument),
* from future new syntax.
* rte_devargs_parse() is not yet supporting the new syntax,
* that's why this simple case is temporarily parsed here.
*/
#define iter_anybus_str "class=eth,"
if (strncmp(devargs_str, iter_anybus_str,
strlen(iter_anybus_str)) == 0) {
iter->cls_str = devargs_str + strlen(iter_anybus_str);
goto end;
}
/* Split bus, device and parameters. */
ret = rte_devargs_parse(&devargs, devargs_str);
if (ret != 0)
goto error;
/*
* Assume parameters of old syntax can match only at ethdev level.
* Extra parameters will be ignored, thanks to "+" prefix.
*/
str_size = strlen(devargs.args) + 2;
cls_str = malloc(str_size);
if (cls_str == NULL) {
ret = -ENOMEM;
goto error;
}
ret = snprintf(cls_str, str_size, "+%s", devargs.args);
if (ret != str_size - 1) {
ret = -EINVAL;
goto error;
}
iter->cls_str = cls_str;
free(devargs.args); /* allocated by rte_devargs_parse() */
devargs.args = NULL;
iter->bus = devargs.bus;
if (iter->bus->dev_iterate == NULL) {
ret = -ENOTSUP;
goto error;
}
/* Convert bus args to new syntax for use with new API dev_iterate. */
if (strcmp(iter->bus->name, "vdev") == 0) {
bus_param_key = "name";
} else if (strcmp(iter->bus->name, "pci") == 0) {
bus_param_key = "addr";
} else {
ret = -ENOTSUP;
goto error;
}
str_size = strlen(bus_param_key) + strlen(devargs.name) + 2;
bus_str = malloc(str_size);
if (bus_str == NULL) {
ret = -ENOMEM;
goto error;
}
ret = snprintf(bus_str, str_size, "%s=%s",
bus_param_key, devargs.name);
if (ret != str_size - 1) {
ret = -EINVAL;
goto error;
}
iter->bus_str = bus_str;
end:
iter->cls = rte_class_find_by_name("eth");
return 0;
error:
if (ret == -ENOTSUP)
RTE_LOG(ERR, EAL, "Bus %s does not support iterating.\n",
iter->bus->name);
free(devargs.args);
free(bus_str);
free(cls_str);
return ret;
}
uint16_t
rte_eth_iterator_next(struct rte_dev_iterator *iter)
{
if (iter->cls == NULL) /* invalid ethdev iterator */
return RTE_MAX_ETHPORTS;
do { /* loop to try all matching rte_device */
/* If not pure ethdev filter and */
if (iter->bus != NULL &&
/* not in middle of rte_eth_dev iteration, */
iter->class_device == NULL) {
/* get next rte_device to try. */
iter->device = iter->bus->dev_iterate(
iter->device, iter->bus_str, iter);
if (iter->device == NULL)
break; /* no more rte_device candidate */
}
/* A device is matching bus part, need to check ethdev part. */
iter->class_device = iter->cls->dev_iterate(
iter->class_device, iter->cls_str, iter);
if (iter->class_device != NULL)
return eth_dev_to_id(iter->class_device); /* match */
} while (iter->bus != NULL); /* need to try next rte_device */
/* No more ethdev port to iterate. */
rte_eth_iterator_cleanup(iter);
return RTE_MAX_ETHPORTS;
}
void
rte_eth_iterator_cleanup(struct rte_dev_iterator *iter)
{
if (iter->bus_str == NULL)
return; /* nothing to free in pure class filter */
free(RTE_CAST_FIELD(iter, bus_str, char *)); /* workaround const */
free(RTE_CAST_FIELD(iter, cls_str, char *)); /* workaround const */
memset(iter, 0, sizeof(*iter));
}
uint16_t
rte_eth_find_next(uint16_t port_id)
{
while (port_id < RTE_MAX_ETHPORTS &&
rte_eth_devices[port_id].state != RTE_ETH_DEV_ATTACHED &&
rte_eth_devices[port_id].state != RTE_ETH_DEV_REMOVED)
port_id++;
if (port_id >= RTE_MAX_ETHPORTS)
return RTE_MAX_ETHPORTS;
return port_id;
}
static void
rte_eth_dev_shared_data_prepare(void)
{
const unsigned flags = 0;
const struct rte_memzone *mz;
rte_spinlock_lock(&rte_eth_shared_data_lock);
if (rte_eth_dev_shared_data == NULL) {
if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
/* Allocate port data and ownership shared memory. */
mz = rte_memzone_reserve(MZ_RTE_ETH_DEV_DATA,
sizeof(*rte_eth_dev_shared_data),
rte_socket_id(), flags);
} else
mz = rte_memzone_lookup(MZ_RTE_ETH_DEV_DATA);
if (mz == NULL)
rte_panic("Cannot allocate ethdev shared data\n");
rte_eth_dev_shared_data = mz->addr;
if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
rte_eth_dev_shared_data->next_owner_id =
RTE_ETH_DEV_NO_OWNER + 1;
rte_spinlock_init(&rte_eth_dev_shared_data->ownership_lock);
memset(rte_eth_dev_shared_data->data, 0,
sizeof(rte_eth_dev_shared_data->data));
}
}
rte_spinlock_unlock(&rte_eth_shared_data_lock);
}
static bool
is_allocated(const struct rte_eth_dev *ethdev)
{
return ethdev->data->name[0] != '\0';
}
static struct rte_eth_dev *
_rte_eth_dev_allocated(const char *name)
{
unsigned i;
for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
if (rte_eth_devices[i].data != NULL &&
strcmp(rte_eth_devices[i].data->name, name) == 0)
return &rte_eth_devices[i];
}
return NULL;
}
struct rte_eth_dev *
rte_eth_dev_allocated(const char *name)
{
struct rte_eth_dev *ethdev;
rte_eth_dev_shared_data_prepare();
rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
ethdev = _rte_eth_dev_allocated(name);
rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
return ethdev;
}
static uint16_t
rte_eth_dev_find_free_port(void)
{
unsigned i;
for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
/* Using shared name field to find a free port. */
if (rte_eth_dev_shared_data->data[i].name[0] == '\0') {
RTE_ASSERT(rte_eth_devices[i].state ==
RTE_ETH_DEV_UNUSED);
return i;
}
}
return RTE_MAX_ETHPORTS;
}
static struct rte_eth_dev *
eth_dev_get(uint16_t port_id)
{
struct rte_eth_dev *eth_dev = &rte_eth_devices[port_id];
eth_dev->data = &rte_eth_dev_shared_data->data[port_id];
return eth_dev;
}
struct rte_eth_dev *
rte_eth_dev_allocate(const char *name)
{
uint16_t port_id;
struct rte_eth_dev *eth_dev = NULL;
rte_eth_dev_shared_data_prepare();
/* Synchronize port creation between primary and secondary threads. */
rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
if (_rte_eth_dev_allocated(name) != NULL) {
RTE_ETHDEV_LOG(ERR,
"Ethernet device with name %s already allocated\n",
name);
goto unlock;
}
port_id = rte_eth_dev_find_free_port();
if (port_id == RTE_MAX_ETHPORTS) {
RTE_ETHDEV_LOG(ERR,
"Reached maximum number of Ethernet ports\n");
goto unlock;
}
eth_dev = eth_dev_get(port_id);
snprintf(eth_dev->data->name, sizeof(eth_dev->data->name), "%s", name);
eth_dev->data->port_id = port_id;
eth_dev->data->mtu = ETHER_MTU;
unlock:
rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
return eth_dev;
}
/*
* Attach to a port already registered by the primary process, which
* makes sure that the same device would have the same port id both
* in the primary and secondary process.
*/
struct rte_eth_dev *
rte_eth_dev_attach_secondary(const char *name)
{
uint16_t i;
struct rte_eth_dev *eth_dev = NULL;
rte_eth_dev_shared_data_prepare();
/* Synchronize port attachment to primary port creation and release. */
rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
if (strcmp(rte_eth_dev_shared_data->data[i].name, name) == 0)
break;
}
if (i == RTE_MAX_ETHPORTS) {
RTE_ETHDEV_LOG(ERR,
"Device %s is not driven by the primary process\n",
name);
} else {
eth_dev = eth_dev_get(i);
RTE_ASSERT(eth_dev->data->port_id == i);
}
rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
return eth_dev;
}
int
rte_eth_dev_release_port(struct rte_eth_dev *eth_dev)
{
if (eth_dev == NULL)
return -EINVAL;
rte_eth_dev_shared_data_prepare();
if (eth_dev->state != RTE_ETH_DEV_UNUSED)
_rte_eth_dev_callback_process(eth_dev,
RTE_ETH_EVENT_DESTROY, NULL);
rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
eth_dev->state = RTE_ETH_DEV_UNUSED;
if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
rte_free(eth_dev->data->rx_queues);
rte_free(eth_dev->data->tx_queues);
rte_free(eth_dev->data->mac_addrs);
rte_free(eth_dev->data->hash_mac_addrs);
rte_free(eth_dev->data->dev_private);
memset(eth_dev->data, 0, sizeof(struct rte_eth_dev_data));
}
rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
return 0;
}
int
rte_eth_dev_is_valid_port(uint16_t port_id)
{
if (port_id >= RTE_MAX_ETHPORTS ||
(rte_eth_devices[port_id].state == RTE_ETH_DEV_UNUSED))
return 0;
else
return 1;
}
static int
rte_eth_is_valid_owner_id(uint64_t owner_id)
{
if (owner_id == RTE_ETH_DEV_NO_OWNER ||
rte_eth_dev_shared_data->next_owner_id <= owner_id)
return 0;
return 1;
}
uint64_t
rte_eth_find_next_owned_by(uint16_t port_id, const uint64_t owner_id)
{
while (port_id < RTE_MAX_ETHPORTS &&
((rte_eth_devices[port_id].state != RTE_ETH_DEV_ATTACHED &&
rte_eth_devices[port_id].state != RTE_ETH_DEV_REMOVED) ||
rte_eth_devices[port_id].data->owner.id != owner_id))
port_id++;
if (port_id >= RTE_MAX_ETHPORTS)
return RTE_MAX_ETHPORTS;
return port_id;
}
int __rte_experimental
rte_eth_dev_owner_new(uint64_t *owner_id)
{
rte_eth_dev_shared_data_prepare();
rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
*owner_id = rte_eth_dev_shared_data->next_owner_id++;
rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
return 0;
}
static int
_rte_eth_dev_owner_set(const uint16_t port_id, const uint64_t old_owner_id,
const struct rte_eth_dev_owner *new_owner)
{
struct rte_eth_dev *ethdev = &rte_eth_devices[port_id];
struct rte_eth_dev_owner *port_owner;
if (port_id >= RTE_MAX_ETHPORTS || !is_allocated(ethdev)) {
RTE_ETHDEV_LOG(ERR, "Port id %"PRIu16" is not allocated\n",
port_id);
return -ENODEV;
}
if (!rte_eth_is_valid_owner_id(new_owner->id) &&
!rte_eth_is_valid_owner_id(old_owner_id)) {
RTE_ETHDEV_LOG(ERR,
"Invalid owner old_id=%016"PRIx64" new_id=%016"PRIx64"\n",
old_owner_id, new_owner->id);
return -EINVAL;
}
port_owner = &rte_eth_devices[port_id].data->owner;
if (port_owner->id != old_owner_id) {
RTE_ETHDEV_LOG(ERR,
"Cannot set owner to port %u already owned by %s_%016"PRIX64"\n",
port_id, port_owner->name, port_owner->id);
return -EPERM;
}
/* can not truncate (same structure) */
strlcpy(port_owner->name, new_owner->name, RTE_ETH_MAX_OWNER_NAME_LEN);
port_owner->id = new_owner->id;
RTE_ETHDEV_LOG(DEBUG, "Port %u owner is %s_%016"PRIx64"\n",
port_id, new_owner->name, new_owner->id);
return 0;
}
int __rte_experimental
rte_eth_dev_owner_set(const uint16_t port_id,
const struct rte_eth_dev_owner *owner)
{
int ret;
rte_eth_dev_shared_data_prepare();
rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
ret = _rte_eth_dev_owner_set(port_id, RTE_ETH_DEV_NO_OWNER, owner);
rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
return ret;
}
int __rte_experimental
rte_eth_dev_owner_unset(const uint16_t port_id, const uint64_t owner_id)
{
const struct rte_eth_dev_owner new_owner = (struct rte_eth_dev_owner)
{.id = RTE_ETH_DEV_NO_OWNER, .name = ""};
int ret;
rte_eth_dev_shared_data_prepare();
rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
ret = _rte_eth_dev_owner_set(port_id, owner_id, &new_owner);
rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
return ret;
}
void __rte_experimental
rte_eth_dev_owner_delete(const uint64_t owner_id)
{
uint16_t port_id;
rte_eth_dev_shared_data_prepare();
rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
if (rte_eth_is_valid_owner_id(owner_id)) {
for (port_id = 0; port_id < RTE_MAX_ETHPORTS; port_id++)
if (rte_eth_devices[port_id].data->owner.id == owner_id)
memset(&rte_eth_devices[port_id].data->owner, 0,
sizeof(struct rte_eth_dev_owner));
RTE_ETHDEV_LOG(NOTICE,
"All port owners owned by %016"PRIx64" identifier have removed\n",
owner_id);
} else {
RTE_ETHDEV_LOG(ERR,
"Invalid owner id=%016"PRIx64"\n",
owner_id);
}
rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
}
int __rte_experimental
rte_eth_dev_owner_get(const uint16_t port_id, struct rte_eth_dev_owner *owner)
{
int ret = 0;
struct rte_eth_dev *ethdev = &rte_eth_devices[port_id];
rte_eth_dev_shared_data_prepare();
rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
if (port_id >= RTE_MAX_ETHPORTS || !is_allocated(ethdev)) {
RTE_ETHDEV_LOG(ERR, "Port id %"PRIu16" is not allocated\n",
port_id);
ret = -ENODEV;
} else {
rte_memcpy(owner, &ethdev->data->owner, sizeof(*owner));
}
rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
return ret;
}
int
rte_eth_dev_socket_id(uint16_t port_id)
{
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
return rte_eth_devices[port_id].data->numa_node;
}
void *
rte_eth_dev_get_sec_ctx(uint16_t port_id)
{
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, NULL);
return rte_eth_devices[port_id].security_ctx;
}
uint16_t
rte_eth_dev_count(void)
{
return rte_eth_dev_count_avail();
}
uint16_t
rte_eth_dev_count_avail(void)
{
uint16_t p;
uint16_t count;
count = 0;
RTE_ETH_FOREACH_DEV(p)
count++;
return count;
}
uint16_t __rte_experimental
rte_eth_dev_count_total(void)
{
uint16_t port, count = 0;
for (port = 0; port < RTE_MAX_ETHPORTS; port++)
if (rte_eth_devices[port].state != RTE_ETH_DEV_UNUSED)
count++;
return count;
}
int
rte_eth_dev_get_name_by_port(uint16_t port_id, char *name)
{
char *tmp;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
if (name == NULL) {
RTE_ETHDEV_LOG(ERR, "Null pointer is specified\n");
return -EINVAL;
}
/* shouldn't check 'rte_eth_devices[i].data',
* because it might be overwritten by VDEV PMD */
tmp = rte_eth_dev_shared_data->data[port_id].name;
strcpy(name, tmp);
return 0;
}
int
rte_eth_dev_get_port_by_name(const char *name, uint16_t *port_id)
{
uint32_t pid;
if (name == NULL) {
RTE_ETHDEV_LOG(ERR, "Null pointer is specified\n");
return -EINVAL;
}
for (pid = 0; pid < RTE_MAX_ETHPORTS; pid++) {
if (rte_eth_devices[pid].state != RTE_ETH_DEV_UNUSED &&
!strcmp(name, rte_eth_dev_shared_data->data[pid].name)) {
*port_id = pid;
return 0;
}
}
return -ENODEV;
}
static int
eth_err(uint16_t port_id, int ret)
{
if (ret == 0)
return 0;
if (rte_eth_dev_is_removed(port_id))
return -EIO;
return ret;
}
static int
rte_eth_dev_rx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
{
uint16_t old_nb_queues = dev->data->nb_rx_queues;
void **rxq;
unsigned i;
if (dev->data->rx_queues == NULL && nb_queues != 0) { /* first time configuration */
dev->data->rx_queues = rte_zmalloc("ethdev->rx_queues",
sizeof(dev->data->rx_queues[0]) * nb_queues,
RTE_CACHE_LINE_SIZE);
if (dev->data->rx_queues == NULL) {
dev->data->nb_rx_queues = 0;
return -(ENOMEM);
}
} else if (dev->data->rx_queues != NULL && nb_queues != 0) { /* re-configure */
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release, -ENOTSUP);
rxq = dev->data->rx_queues;
for (i = nb_queues; i < old_nb_queues; i++)
(*dev->dev_ops->rx_queue_release)(rxq[i]);
rxq = rte_realloc(rxq, sizeof(rxq[0]) * nb_queues,
RTE_CACHE_LINE_SIZE);
if (rxq == NULL)
return -(ENOMEM);
if (nb_queues > old_nb_queues) {
uint16_t new_qs = nb_queues - old_nb_queues;
memset(rxq + old_nb_queues, 0,
sizeof(rxq[0]) * new_qs);
}
dev->data->rx_queues = rxq;
} else if (dev->data->rx_queues != NULL && nb_queues == 0) {
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release, -ENOTSUP);
rxq = dev->data->rx_queues;
for (i = nb_queues; i < old_nb_queues; i++)
(*dev->dev_ops->rx_queue_release)(rxq[i]);
rte_free(dev->data->rx_queues);
dev->data->rx_queues = NULL;
}
dev->data->nb_rx_queues = nb_queues;
return 0;
}
int
rte_eth_dev_rx_queue_start(uint16_t port_id, uint16_t rx_queue_id)
{
struct rte_eth_dev *dev;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
dev = &rte_eth_devices[port_id];
if (!dev->data->dev_started) {
RTE_ETHDEV_LOG(ERR,
"Port %u must be started before start any queue\n",
port_id);
return -EINVAL;
}
if (rx_queue_id >= dev->data->nb_rx_queues) {
RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", rx_queue_id);
return -EINVAL;
}
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_start, -ENOTSUP);
if (dev->data->rx_queue_state[rx_queue_id] != RTE_ETH_QUEUE_STATE_STOPPED) {
RTE_ETHDEV_LOG(INFO,
"Queue %"PRIu16" of device with port_id=%"PRIu16" already started\n",
rx_queue_id, port_id);
return 0;
}
return eth_err(port_id, dev->dev_ops->rx_queue_start(dev,
rx_queue_id));
}
int
rte_eth_dev_rx_queue_stop(uint16_t port_id, uint16_t rx_queue_id)
{
struct rte_eth_dev *dev;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
dev = &rte_eth_devices[port_id];
if (rx_queue_id >= dev->data->nb_rx_queues) {
RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", rx_queue_id);
return -EINVAL;
}
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_stop, -ENOTSUP);
if (dev->data->rx_queue_state[rx_queue_id] == RTE_ETH_QUEUE_STATE_STOPPED) {
RTE_ETHDEV_LOG(INFO,
"Queue %"PRIu16" of device with port_id=%"PRIu16" already stopped\n",
rx_queue_id, port_id);
return 0;
}
return eth_err(port_id, dev->dev_ops->rx_queue_stop(dev, rx_queue_id));
}
int
rte_eth_dev_tx_queue_start(uint16_t port_id, uint16_t tx_queue_id)
{
struct rte_eth_dev *dev;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
dev = &rte_eth_devices[port_id];
if (!dev->data->dev_started) {
RTE_ETHDEV_LOG(ERR,
"Port %u must be started before start any queue\n",
port_id);
return -EINVAL;
}
if (tx_queue_id >= dev->data->nb_tx_queues) {
RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", tx_queue_id);
return -EINVAL;
}
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_start, -ENOTSUP);
if (dev->data->tx_queue_state[tx_queue_id] != RTE_ETH_QUEUE_STATE_STOPPED) {
RTE_ETHDEV_LOG(INFO,
"Queue %"PRIu16" of device with port_id=%"PRIu16" already started\n",
tx_queue_id, port_id);
return 0;
}
return eth_err(port_id, dev->dev_ops->tx_queue_start(dev, tx_queue_id));
}
int
rte_eth_dev_tx_queue_stop(uint16_t port_id, uint16_t tx_queue_id)
{
struct rte_eth_dev *dev;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
dev = &rte_eth_devices[port_id];
if (tx_queue_id >= dev->data->nb_tx_queues) {
RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", tx_queue_id);
return -EINVAL;
}
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_stop, -ENOTSUP);
if (dev->data->tx_queue_state[tx_queue_id] == RTE_ETH_QUEUE_STATE_STOPPED) {
RTE_ETHDEV_LOG(INFO,
"Queue %"PRIu16" of device with port_id=%"PRIu16" already stopped\n",
tx_queue_id, port_id);
return 0;
}
return eth_err(port_id, dev->dev_ops->tx_queue_stop(dev, tx_queue_id));
}
static int
rte_eth_dev_tx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
{
uint16_t old_nb_queues = dev->data->nb_tx_queues;
void **txq;
unsigned i;
if (dev->data->tx_queues == NULL && nb_queues != 0) { /* first time configuration */
dev->data->tx_queues = rte_zmalloc("ethdev->tx_queues",
sizeof(dev->data->tx_queues[0]) * nb_queues,
RTE_CACHE_LINE_SIZE);
if (dev->data->tx_queues == NULL) {
dev->data->nb_tx_queues = 0;
return -(ENOMEM);
}
} else if (dev->data->tx_queues != NULL && nb_queues != 0) { /* re-configure */
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release, -ENOTSUP);
txq = dev->data->tx_queues;
for (i = nb_queues; i < old_nb_queues; i++)
(*dev->dev_ops->tx_queue_release)(txq[i]);
txq = rte_realloc(txq, sizeof(txq[0]) * nb_queues,
RTE_CACHE_LINE_SIZE);
if (txq == NULL)
return -ENOMEM;
if (nb_queues > old_nb_queues) {
uint16_t new_qs = nb_queues - old_nb_queues;
memset(txq + old_nb_queues, 0,
sizeof(txq[0]) * new_qs);
}
dev->data->tx_queues = txq;
} else if (dev->data->tx_queues != NULL && nb_queues == 0) {
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release, -ENOTSUP);
txq = dev->data->tx_queues;
for (i = nb_queues; i < old_nb_queues; i++)
(*dev->dev_ops->tx_queue_release)(txq[i]);
rte_free(dev->data->tx_queues);
dev->data->tx_queues = NULL;
}
dev->data->nb_tx_queues = nb_queues;
return 0;
}
uint32_t
rte_eth_speed_bitflag(uint32_t speed, int duplex)
{
switch (speed) {
case ETH_SPEED_NUM_10M:
return duplex ? ETH_LINK_SPEED_10M : ETH_LINK_SPEED_10M_HD;
case ETH_SPEED_NUM_100M:
return duplex ? ETH_LINK_SPEED_100M : ETH_LINK_SPEED_100M_HD;
case ETH_SPEED_NUM_1G:
return ETH_LINK_SPEED_1G;
case ETH_SPEED_NUM_2_5G:
return ETH_LINK_SPEED_2_5G;
case ETH_SPEED_NUM_5G:
return ETH_LINK_SPEED_5G;
case ETH_SPEED_NUM_10G:
return ETH_LINK_SPEED_10G;
case ETH_SPEED_NUM_20G:
return ETH_LINK_SPEED_20G;
case ETH_SPEED_NUM_25G:
return ETH_LINK_SPEED_25G;
case ETH_SPEED_NUM_40G:
return ETH_LINK_SPEED_40G;
case ETH_SPEED_NUM_50G:
return ETH_LINK_SPEED_50G;
case ETH_SPEED_NUM_56G:
return ETH_LINK_SPEED_56G;
case ETH_SPEED_NUM_100G:
return ETH_LINK_SPEED_100G;
default:
return 0;
}
}
const char *
rte_eth_dev_rx_offload_name(uint64_t offload)
{
const char *name = "UNKNOWN";
unsigned int i;
for (i = 0; i < RTE_DIM(rte_rx_offload_names); ++i) {
if (offload == rte_rx_offload_names[i].offload) {
name = rte_rx_offload_names[i].name;
break;
}
}
return name;
}
const char *
rte_eth_dev_tx_offload_name(uint64_t offload)
{
const char *name = "UNKNOWN";
unsigned int i;
for (i = 0; i < RTE_DIM(rte_tx_offload_names); ++i) {
if (offload == rte_tx_offload_names[i].offload) {
name = rte_tx_offload_names[i].name;
break;
}
}
return name;
}
int
rte_eth_dev_configure(uint16_t port_id, uint16_t nb_rx_q, uint16_t nb_tx_q,
const struct rte_eth_conf *dev_conf)
{
struct rte_eth_dev *dev;
struct rte_eth_dev_info dev_info;
struct rte_eth_conf orig_conf;
int diag;
int ret;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
dev = &rte_eth_devices[port_id];
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_configure, -ENOTSUP);
if (dev->data->dev_started) {
RTE_ETHDEV_LOG(ERR,
"Port %u must be stopped to allow configuration\n",
port_id);
return -EBUSY;
}
/* Store original config, as rollback required on failure */
memcpy(&orig_conf, &dev->data->dev_conf, sizeof(dev->data->dev_conf));
/*
* Copy the dev_conf parameter into the dev structure.
* rte_eth_dev_info_get() requires dev_conf, copy it before dev_info get
*/
memcpy(&dev->data->dev_conf, dev_conf, sizeof(dev->data->dev_conf));
rte_eth_dev_info_get(port_id, &dev_info);
/* If number of queues specified by application for both Rx and Tx is
* zero, use driver preferred values. This cannot be done individually
* as it is valid for either Tx or Rx (but not both) to be zero.
* If driver does not provide any preferred valued, fall back on
* EAL defaults.
*/
if (nb_rx_q == 0 && nb_tx_q == 0) {
nb_rx_q = dev_info.default_rxportconf.nb_queues;
if (nb_rx_q == 0)
nb_rx_q = RTE_ETH_DEV_FALLBACK_RX_NBQUEUES;
nb_tx_q = dev_info.default_txportconf.nb_queues;
if (nb_tx_q == 0)
nb_tx_q = RTE_ETH_DEV_FALLBACK_TX_NBQUEUES;
}
if (nb_rx_q > RTE_MAX_QUEUES_PER_PORT) {
RTE_ETHDEV_LOG(ERR,
"Number of RX queues requested (%u) is greater than max supported(%d)\n",
nb_rx_q, RTE_MAX_QUEUES_PER_PORT);
ret = -EINVAL;
goto rollback;
}
if (nb_tx_q > RTE_MAX_QUEUES_PER_PORT) {
RTE_ETHDEV_LOG(ERR,
"Number of TX queues requested (%u) is greater than max supported(%d)\n",
nb_tx_q, RTE_MAX_QUEUES_PER_PORT);
ret = -EINVAL;
goto rollback;
}
/*
* Check that the numbers of RX and TX queues are not greater
* than the maximum number of RX and TX queues supported by the
* configured device.
*/
if (nb_rx_q > dev_info.max_rx_queues) {
RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%u nb_rx_queues=%u > %u\n",
port_id, nb_rx_q, dev_info.max_rx_queues);
ret = -EINVAL;
goto rollback;
}
if (nb_tx_q > dev_info.max_tx_queues) {
RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%u nb_tx_queues=%u > %u\n",
port_id, nb_tx_q, dev_info.max_tx_queues);
ret = -EINVAL;
goto rollback;
}
/* Check that the device supports requested interrupts */
if ((dev_conf->intr_conf.lsc == 1) &&
(!(dev->data->dev_flags & RTE_ETH_DEV_INTR_LSC))) {
RTE_ETHDEV_LOG(ERR, "Driver %s does not support lsc\n",
dev->device->driver->name);
ret = -EINVAL;
goto rollback;
}
if ((dev_conf->intr_conf.rmv == 1) &&
(!(dev->data->dev_flags & RTE_ETH_DEV_INTR_RMV))) {
RTE_ETHDEV_LOG(ERR, "Driver %s does not support rmv\n",
dev->device->driver->name);
ret = -EINVAL;
goto rollback;
}
/*
* If jumbo frames are enabled, check that the maximum RX packet
* length is supported by the configured device.
*/
if (dev_conf->rxmode.offloads & DEV_RX_OFFLOAD_JUMBO_FRAME) {
if (dev_conf->rxmode.max_rx_pkt_len > dev_info.max_rx_pktlen) {
RTE_ETHDEV_LOG(ERR,
"Ethdev port_id=%u max_rx_pkt_len %u > max valid value %u\n",
port_id, dev_conf->rxmode.max_rx_pkt_len,
dev_info.max_rx_pktlen);
ret = -EINVAL;
goto rollback;
} else if (dev_conf->rxmode.max_rx_pkt_len < ETHER_MIN_LEN) {
RTE_ETHDEV_LOG(ERR,
"Ethdev port_id=%u max_rx_pkt_len %u < min valid value %u\n",
port_id, dev_conf->rxmode.max_rx_pkt_len,
(unsigned)ETHER_MIN_LEN);
ret = -EINVAL;
goto rollback;
}
} else {
if (dev_conf->rxmode.max_rx_pkt_len < ETHER_MIN_LEN ||
dev_conf->rxmode.max_rx_pkt_len > ETHER_MAX_LEN)
/* Use default value */
dev->data->dev_conf.rxmode.max_rx_pkt_len =
ETHER_MAX_LEN;
}
/* Any requested offloading must be within its device capabilities */
if ((dev_conf->rxmode.offloads & dev_info.rx_offload_capa) !=
dev_conf->rxmode.offloads) {
RTE_ETHDEV_LOG(ERR,
"Ethdev port_id=%u requested Rx offloads 0x%"PRIx64" doesn't match Rx offloads "
"capabilities 0x%"PRIx64" in %s()\n",
port_id, dev_conf->rxmode.offloads,
dev_info.rx_offload_capa,
__func__);
ret = -EINVAL;
goto rollback;
}
if ((dev_conf->txmode.offloads & dev_info.tx_offload_capa) !=
dev_conf->txmode.offloads) {
RTE_ETHDEV_LOG(ERR,
"Ethdev port_id=%u requested Tx offloads 0x%"PRIx64" doesn't match Tx offloads "
"capabilities 0x%"PRIx64" in %s()\n",
port_id, dev_conf->txmode.offloads,
dev_info.tx_offload_capa,
__func__);
ret = -EINVAL;
goto rollback;
}
/* Check that device supports requested rss hash functions. */
if ((dev_info.flow_type_rss_offloads |
dev_conf->rx_adv_conf.rss_conf.rss_hf) !=
dev_info.flow_type_rss_offloads) {
RTE_ETHDEV_LOG(ERR,
"Ethdev port_id=%u invalid rss_hf: 0x%"PRIx64", valid value: 0x%"PRIx64"\n",
port_id, dev_conf->rx_adv_conf.rss_conf.rss_hf,
dev_info.flow_type_rss_offloads);
ret = -EINVAL;
goto rollback;
}
/*
* Setup new number of RX/TX queues and reconfigure device.
*/
diag = rte_eth_dev_rx_queue_config(dev, nb_rx_q);
if (diag != 0) {
RTE_ETHDEV_LOG(ERR,
"Port%u rte_eth_dev_rx_queue_config = %d\n",
port_id, diag);
ret = diag;
goto rollback;
}
diag = rte_eth_dev_tx_queue_config(dev, nb_tx_q);
if (diag != 0) {
RTE_ETHDEV_LOG(ERR,
"Port%u rte_eth_dev_tx_queue_config = %d\n",
port_id, diag);
rte_eth_dev_rx_queue_config(dev, 0);
ret = diag;
goto rollback;
}
diag = (*dev->dev_ops->dev_configure)(dev);
if (diag != 0) {
RTE_ETHDEV_LOG(ERR, "Port%u dev_configure = %d\n",
port_id, diag);
rte_eth_dev_rx_queue_config(dev, 0);
rte_eth_dev_tx_queue_config(dev, 0);
ret = eth_err(port_id, diag);
goto rollback;
}
/* Initialize Rx profiling if enabled at compilation time. */
diag = __rte_eth_dev_profile_init(port_id, dev);
if (diag != 0) {
RTE_ETHDEV_LOG(ERR, "Port%u __rte_eth_dev_profile_init = %d\n",
port_id, diag);
rte_eth_dev_rx_queue_config(dev, 0);
rte_eth_dev_tx_queue_config(dev, 0);
ret = eth_err(port_id, diag);
goto rollback;
}
return 0;
rollback:
memcpy(&dev->data->dev_conf, &orig_conf, sizeof(dev->data->dev_conf));
return ret;
}
void
_rte_eth_dev_reset(struct rte_eth_dev *dev)
{
if (dev->data->dev_started) {
RTE_ETHDEV_LOG(ERR, "Port %u must be stopped to allow reset\n",
dev->data->port_id);
return;
}
rte_eth_dev_rx_queue_config(dev, 0);
rte_eth_dev_tx_queue_config(dev, 0);
memset(&dev->data->dev_conf, 0, sizeof(dev->data->dev_conf));
}
static void
rte_eth_dev_mac_restore(struct rte_eth_dev *dev,
struct rte_eth_dev_info *dev_info)
{
struct ether_addr *addr;
uint16_t i;
uint32_t pool = 0;
uint64_t pool_mask;
/* replay MAC address configuration including default MAC */
addr = &dev->data->mac_addrs[0];
if (*dev->dev_ops->mac_addr_set != NULL)
(*dev->dev_ops->mac_addr_set)(dev, addr);
else if (*dev->dev_ops->mac_addr_add != NULL)
(*dev->dev_ops->mac_addr_add)(dev, addr, 0, pool);
if (*dev->dev_ops->mac_addr_add != NULL) {
for (i = 1; i < dev_info->max_mac_addrs; i++) {
addr = &dev->data->mac_addrs[i];
/* skip zero address */
if (is_zero_ether_addr(addr))
continue;
pool = 0;
pool_mask = dev->data->mac_pool_sel[i];
do {
if (pool_mask & 1ULL)
(*dev->dev_ops->mac_addr_add)(dev,
addr, i, pool);
pool_mask >>= 1;
pool++;
} while (pool_mask);
}
}
}
static void
rte_eth_dev_config_restore(struct rte_eth_dev *dev,
struct rte_eth_dev_info *dev_info, uint16_t port_id)
{
if (!(*dev_info->dev_flags & RTE_ETH_DEV_NOLIVE_MAC_ADDR))
rte_eth_dev_mac_restore(dev, dev_info);
/* replay promiscuous configuration */
if (rte_eth_promiscuous_get(port_id) == 1)
rte_eth_promiscuous_enable(port_id);
else if (rte_eth_promiscuous_get(port_id) == 0)
rte_eth_promiscuous_disable(port_id);
/* replay all multicast configuration */
if (rte_eth_allmulticast_get(port_id) == 1)
rte_eth_allmulticast_enable(port_id);
else if (rte_eth_allmulticast_get(port_id) == 0)
rte_eth_allmulticast_disable(port_id);
}
int
rte_eth_dev_start(uint16_t port_id)
{
struct rte_eth_dev *dev;
struct rte_eth_dev_info dev_info;
int diag;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
dev = &rte_eth_devices[port_id];
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP);
if (dev->data->dev_started != 0) {
RTE_ETHDEV_LOG(INFO,
"Device with port_id=%"PRIu16" already started\n",
port_id);
return 0;
}
rte_eth_dev_info_get(port_id, &dev_info);
/* Lets restore MAC now if device does not support live change */
if (*dev_info.dev_flags & RTE_ETH_DEV_NOLIVE_MAC_ADDR)
rte_eth_dev_mac_restore(dev, &dev_info);
diag = (*dev->dev_ops->dev_start)(dev);
if (diag == 0)
dev->data->dev_started = 1;
else
return eth_err(port_id, diag);
rte_eth_dev_config_restore(dev, &dev_info, port_id);
if (dev->data->dev_conf.intr_conf.lsc == 0) {
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->link_update, -ENOTSUP);
(*dev->dev_ops->link_update)(dev, 0);
}
return 0;
}
void
rte_eth_dev_stop(uint16_t port_id)
{
struct rte_eth_dev *dev;
RTE_ETH_VALID_PORTID_OR_RET(port_id);
dev = &rte_eth_devices[port_id];
RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_stop);
if (dev->data->dev_started == 0) {
RTE_ETHDEV_LOG(INFO,
"Device with port_id=%"PRIu16" already stopped\n",
port_id);
return;
}
dev->data->dev_started = 0;
(*dev->dev_ops->dev_stop)(dev);
}
int
rte_eth_dev_set_link_up(uint16_t port_id)
{
struct rte_eth_dev *dev;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
dev = &rte_eth_devices[port_id];
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_up, -ENOTSUP);
return eth_err(port_id, (*dev->dev_ops->dev_set_link_up)(dev));
}
int
rte_eth_dev_set_link_down(uint16_t port_id)
{
struct rte_eth_dev *dev;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
dev = &rte_eth_devices[port_id];
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_down, -ENOTSUP);
return eth_err(port_id, (*dev->dev_ops->dev_set_link_down)(dev));
}
void
rte_eth_dev_close(uint16_t port_id)
{
struct rte_eth_dev *dev;
RTE_ETH_VALID_PORTID_OR_RET(port_id);
dev = &rte_eth_devices[port_id];
RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_close);
dev->data->dev_started = 0;
(*dev->dev_ops->dev_close)(dev);
/* check behaviour flag - temporary for PMD migration */
if ((dev->data->dev_flags & RTE_ETH_DEV_CLOSE_REMOVE) != 0) {
/* new behaviour: send event + reset state + free all data */
rte_eth_dev_release_port(dev);
return;
}
RTE_ETHDEV_LOG(DEBUG, "Port closing is using an old behaviour.\n"
"The driver %s should migrate to the new behaviour.\n",
dev->device->driver->name);
/* old behaviour: only free queue arrays */
dev->data->nb_rx_queues = 0;
rte_free(dev->data->rx_queues);
dev->data->rx_queues = NULL;
dev->data->nb_tx_queues = 0;
rte_free(dev->data->tx_queues);
dev->data->tx_queues = NULL;
}
int
rte_eth_dev_reset(uint16_t port_id)
{
struct rte_eth_dev *dev;
int ret;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
dev = &rte_eth_devices[port_id];
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_reset, -ENOTSUP);
rte_eth_dev_stop(port_id);
ret = dev->dev_ops->dev_reset(dev);
return eth_err(port_id, ret);
}
int __rte_experimental
rte_eth_dev_is_removed(uint16_t port_id)
{
struct rte_eth_dev *dev;
int ret;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, 0);
dev = &rte_eth_devices[port_id];
if (dev->state == RTE_ETH_DEV_REMOVED)
return 1;
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->is_removed, 0);
ret = dev->dev_ops->is_removed(dev);
if (ret != 0)
/* Device is physically removed. */
dev->state = RTE_ETH_DEV_REMOVED;
return ret;
}
int
rte_eth_rx_queue_setup(uint16_t port_id, uint16_t rx_queue_id,
uint16_t nb_rx_desc, unsigned int socket_id,
const struct rte_eth_rxconf *rx_conf,
struct rte_mempool *mp)
{
int ret;
uint32_t mbp_buf_size;
struct rte_eth_dev *dev;
struct rte_eth_dev_info dev_info;
struct rte_eth_rxconf local_conf;
void **rxq;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
dev = &rte_eth_devices[port_id];
if (rx_queue_id >= dev->data->nb_rx_queues) {
RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", rx_queue_id);
return -EINVAL;
}
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_setup, -ENOTSUP);
/*
* Check the size of the mbuf data buffer.
* This value must be provided in the private data of the memory pool.
* First check that the memory pool has a valid private data.
*/
rte_eth_dev_info_get(port_id, &dev_info);
if (mp->private_data_size < sizeof(struct rte_pktmbuf_pool_private)) {
RTE_ETHDEV_LOG(ERR, "%s private_data_size %d < %d\n",
mp->name, (int)mp->private_data_size,
(int)sizeof(struct rte_pktmbuf_pool_private));
return -ENOSPC;
}
mbp_buf_size = rte_pktmbuf_data_room_size(mp);
if ((mbp_buf_size - RTE_PKTMBUF_HEADROOM) < dev_info.min_rx_bufsize) {
RTE_ETHDEV_LOG(ERR,
"%s mbuf_data_room_size %d < %d (RTE_PKTMBUF_HEADROOM=%d + min_rx_bufsize(dev)=%d)\n",
mp->name, (int)mbp_buf_size,
(int)(RTE_PKTMBUF_HEADROOM + dev_info.min_rx_bufsize),
(int)RTE_PKTMBUF_HEADROOM,
(int)dev_info.min_rx_bufsize);
return -EINVAL;
}
/* Use default specified by driver, if nb_rx_desc is zero */
if (nb_rx_desc == 0) {
nb_rx_desc = dev_info.default_rxportconf.ring_size;
/* If driver default is also zero, fall back on EAL default */
if (nb_rx_desc == 0)
nb_rx_desc = RTE_ETH_DEV_FALLBACK_RX_RINGSIZE;
}
if (nb_rx_desc > dev_info.rx_desc_lim.nb_max ||
nb_rx_desc < dev_info.rx_desc_lim.nb_min ||
nb_rx_desc % dev_info.rx_desc_lim.nb_align != 0) {
RTE_ETHDEV_LOG(ERR,
"Invalid value for nb_rx_desc(=%hu), should be: <= %hu, >= %hu, and a product of %hu\n",
nb_rx_desc, dev_info.rx_desc_lim.nb_max,
dev_info.rx_desc_lim.nb_min,
dev_info.rx_desc_lim.nb_align);
return -EINVAL;
}
if (dev->data->dev_started &&
!(dev_info.dev_capa &
RTE_ETH_DEV_CAPA_RUNTIME_RX_QUEUE_SETUP))
return -EBUSY;
if (dev->data->dev_started &&
(dev->data->rx_queue_state[rx_queue_id] !=
RTE_ETH_QUEUE_STATE_STOPPED))
return -EBUSY;
rxq = dev->data->rx_queues;
if (rxq[rx_queue_id]) {
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release,
-ENOTSUP);
(*dev->dev_ops->rx_queue_release)(rxq[rx_queue_id]);
rxq[rx_queue_id] = NULL;
}
if (rx_conf == NULL)
rx_conf = &dev_info.default_rxconf;
local_conf = *rx_conf;
/*
* If an offloading has already been enabled in
* rte_eth_dev_configure(), it has been enabled on all queues,
* so there is no need to enable it in this queue again.
* The local_conf.offloads input to underlying PMD only carries
* those offloadings which are only enabled on this queue and
* not enabled on all queues.
*/
local_conf.offloads &= ~dev->data->dev_conf.rxmode.offloads;
/*
* New added offloadings for this queue are those not enabled in
* rte_eth_dev_configure() and they must be per-queue type.
* A pure per-port offloading can't be enabled on a queue while
* disabled on another queue. A pure per-port offloading can't
* be enabled for any queue as new added one if it hasn't been
* enabled in rte_eth_dev_configure().
*/
if ((local_conf.offloads & dev_info.rx_queue_offload_capa) !=
local_conf.offloads) {
RTE_ETHDEV_LOG(ERR,
"Ethdev port_id=%d rx_queue_id=%d, new added offloads 0x%"PRIx64" must be "
"within pre-queue offload capabilities 0x%"PRIx64" in %s()\n",
port_id, rx_queue_id, local_conf.offloads,
dev_info.rx_queue_offload_capa,
__func__);
return -EINVAL;
}
ret = (*dev->dev_ops->rx_queue_setup)(dev, rx_queue_id, nb_rx_desc,
socket_id, &local_conf, mp);
if (!ret) {
if (!dev->data->min_rx_buf_size ||
dev->data->min_rx_buf_size > mbp_buf_size)
dev->data->min_rx_buf_size = mbp_buf_size;
}
return eth_err(port_id, ret);
}
int
rte_eth_tx_queue_setup(uint16_t port_id, uint16_t tx_queue_id,
uint16_t nb_tx_desc, unsigned int socket_id,
const struct rte_eth_txconf *tx_conf)
{
struct rte_eth_dev *dev;
struct rte_eth_dev_info dev_info;
struct rte_eth_txconf local_conf;
void **txq;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
dev = &rte_eth_devices[port_id];
if (tx_queue_id >= dev->data->nb_tx_queues) {
RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", tx_queue_id);
return -EINVAL;
}
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_setup, -ENOTSUP);
rte_eth_dev_info_get(port_id, &dev_info);
/* Use default specified by driver, if nb_tx_desc is zero */
if (nb_tx_desc == 0) {
nb_tx_desc = dev_info.default_txportconf.ring_size;
/* If driver default is zero, fall back on EAL default */
if (nb_tx_desc == 0)
nb_tx_desc = RTE_ETH_DEV_FALLBACK_TX_RINGSIZE;
}
if (nb_tx_desc > dev_info.tx_desc_lim.nb_max ||
nb_tx_desc < dev_info.tx_desc_lim.nb_min ||
nb_tx_desc % dev_info.tx_desc_lim.nb_align != 0) {
RTE_ETHDEV_LOG(ERR,
"Invalid value for nb_tx_desc(=%hu), should be: <= %hu, >= %hu, and a product of %hu\n",
nb_tx_desc, dev_info.tx_desc_lim.nb_max,
dev_info.tx_desc_lim.nb_min,
dev_info.tx_desc_lim.nb_align);
return -EINVAL;
}
if (dev->data->dev_started &&
!(dev_info.dev_capa &
RTE_ETH_DEV_CAPA_RUNTIME_TX_QUEUE_SETUP))
return -EBUSY;
if (dev->data->dev_started &&
(dev->data->tx_queue_state[tx_queue_id] !=
RTE_ETH_QUEUE_STATE_STOPPED))
return -EBUSY;
txq = dev->data->tx_queues;
if (txq[tx_queue_id]) {
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release,
-ENOTSUP);
(*dev->dev_ops->tx_queue_release)(txq[tx_queue_id]);
txq[tx_queue_id] = NULL;
}
if (tx_conf == NULL)
tx_conf = &dev_info.default_txconf;
local_conf = *tx_conf;
/*
* If an offloading has already been enabled in
* rte_eth_dev_configure(), it has been enabled on all queues,
* so there is no need to enable it in this queue again.
* The local_conf.offloads input to underlying PMD only carries
* those offloadings which are only enabled on this queue and
* not enabled on all queues.
*/
local_conf.offloads &= ~dev->data->dev_conf.txmode.offloads;
/*
* New added offloadings for this queue are those not enabled in
* rte_eth_dev_configure() and they must be per-queue type.
* A pure per-port offloading can't be enabled on a queue while
* disabled on another queue. A pure per-port offloading can't
* be enabled for any queue as new added one if it hasn't been
* enabled in rte_eth_dev_configure().
*/
if ((local_conf.offloads & dev_info.tx_queue_offload_capa) !=
local_conf.offloads) {
RTE_ETHDEV_LOG(ERR,
"Ethdev port_id=%d tx_queue_id=%d, new added offloads 0x%"PRIx64" must be "
"within pre-queue offload capabilities 0x%"PRIx64" in %s()\n",
port_id, tx_queue_id, local_conf.offloads,
dev_info.tx_queue_offload_capa,
__func__);
return -EINVAL;
}
return eth_err(port_id, (*dev->dev_ops->tx_queue_setup)(dev,
tx_queue_id, nb_tx_desc, socket_id, &local_conf));
}
void
rte_eth_tx_buffer_drop_callback(struct rte_mbuf **pkts, uint16_t unsent,
void *userdata __rte_unused)
{
unsigned i;
for (i = 0; i < unsent; i++)
rte_pktmbuf_free(pkts[i]);
}
void
rte_eth_tx_buffer_count_callback(struct rte_mbuf **pkts, uint16_t unsent,
void *userdata)
{
uint64_t *count = userdata;
unsigned i;
for (i = 0; i < unsent; i++)
rte_pktmbuf_free(pkts[i]);
*count += unsent;
}
int
rte_eth_tx_buffer_set_err_callback(struct rte_eth_dev_tx_buffer *buffer,
buffer_tx_error_fn cbfn, void *userdata)
{
buffer->error_callback = cbfn;
buffer->error_userdata = userdata;
return 0;
}
int
rte_eth_tx_buffer_init(struct rte_eth_dev_tx_buffer *buffer, uint16_t size)
{
int ret = 0;
if (buffer == NULL)
return -EINVAL;
buffer->size = size;
if (buffer->error_callback == NULL) {
ret = rte_eth_tx_buffer_set_err_callback(
buffer, rte_eth_tx_buffer_drop_callback, NULL);
}
return ret;
}
int
rte_eth_tx_done_cleanup(uint16_t port_id, uint16_t queue_id, uint32_t free_cnt)
{
struct rte_eth_dev *dev = &rte_eth_devices[port_id];
int ret;
/* Validate Input Data. Bail if not valid or not supported. */
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_done_cleanup, -ENOTSUP);
/* Call driver to free pending mbufs. */
ret = (*dev->dev_ops->tx_done_cleanup)(dev->data->tx_queues[queue_id],
free_cnt);
return eth_err(port_id, ret);
}
void
rte_eth_promiscuous_enable(uint16_t port_id)
{
struct rte_eth_dev *dev;
RTE_ETH_VALID_PORTID_OR_RET(port_id);
dev = &rte_eth_devices[port_id];
RTE_FUNC_PTR_OR_RET(*dev->dev_ops->promiscuous_enable);
(*dev->dev_ops->promiscuous_enable)(dev);
dev->data->promiscuous = 1;
}
void
rte_eth_promiscuous_disable(uint16_t port_id)
{
struct rte_eth_dev *dev;
RTE_ETH_VALID_PORTID_OR_RET(port_id);
dev = &rte_eth_devices[port_id];
RTE_FUNC_PTR_OR_RET(*dev->dev_ops->promiscuous_disable);
dev->data->promiscuous = 0;
(*dev->dev_ops->promiscuous_disable)(dev);
}
int
rte_eth_promiscuous_get(uint16_t port_id)
{
struct rte_eth_dev *dev;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
dev = &rte_eth_devices[port_id];
return dev->data->promiscuous;
}
void
rte_eth_allmulticast_enable(uint16_t port_id)
{
struct rte_eth_dev *dev;
RTE_ETH_VALID_PORTID_OR_RET(port_id);
dev = &rte_eth_devices[port_id];
RTE_FUNC_PTR_OR_RET(*dev->dev_ops->allmulticast_enable);
(*dev->dev_ops->allmulticast_enable)(dev);
dev->data->all_multicast = 1;
}
void
rte_eth_allmulticast_disable(uint16_t port_id)
{
struct rte_eth_dev *dev;
RTE_ETH_VALID_PORTID_OR_RET(port_id);
dev = &rte_eth_devices[port_id];
RTE_FUNC_PTR_OR_RET(*dev->dev_ops->allmulticast_disable);
dev->data->all_multicast = 0;
(*dev->dev_ops->allmulticast_disable)(dev);
}
int
rte_eth_allmulticast_get(uint16_t port_id)
{
struct rte_eth_dev *dev;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
dev = &rte_eth_devices[port_id];
return dev->data->all_multicast;
}
void
rte_eth_link_get(uint16_t port_id, struct rte_eth_link *eth_link)
{
struct rte_eth_dev *dev;
RTE_ETH_VALID_PORTID_OR_RET(port_id);
dev = &rte_eth_devices[port_id];
if (dev->data->dev_conf.intr_conf.lsc &&
dev->data->dev_started)
rte_eth_linkstatus_get(dev, eth_link);
else {
RTE_FUNC_PTR_OR_RET(*dev->dev_ops->link_update);
(*dev->dev_ops->link_update)(dev, 1);
*eth_link = dev->data->dev_link;
}
}
void
rte_eth_link_get_nowait(uint16_t port_id, struct rte_eth_link *eth_link)
{
struct rte_eth_dev *dev;
RTE_ETH_VALID_PORTID_OR_RET(port_id);
dev = &rte_eth_devices[port_id];
if (dev->data->dev_conf.intr_conf.lsc &&
dev->data->dev_started)
rte_eth_linkstatus_get(dev, eth_link);
else {
RTE_FUNC_PTR_OR_RET(*dev->dev_ops->link_update);
(*dev->dev_ops->link_update)(dev, 0);
*eth_link = dev->data->dev_link;
}
}
int
rte_eth_stats_get(uint16_t port_id, struct rte_eth_stats *stats)
{
struct rte_eth_dev *dev;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
dev = &rte_eth_devices[port_id];
memset(stats, 0, sizeof(*stats));
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_get, -ENOTSUP);
stats->rx_nombuf = dev->data->rx_mbuf_alloc_failed;
return eth_err(port_id, (*dev->dev_ops->stats_get)(dev, stats));
}
int
rte_eth_stats_reset(uint16_t port_id)
{
struct rte_eth_dev *dev;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
dev = &rte_eth_devices[port_id];
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_reset, -ENOTSUP);
(*dev->dev_ops->stats_reset)(dev);
dev->data->rx_mbuf_alloc_failed = 0;
return 0;
}
static inline int
get_xstats_basic_count(struct rte_eth_dev *dev)
{
uint16_t nb_rxqs, nb_txqs;
int count;
nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
count = RTE_NB_STATS;
count += nb_rxqs * RTE_NB_RXQ_STATS;
count += nb_txqs * RTE_NB_TXQ_STATS;
return count;
}
static int
get_xstats_count(uint16_t port_id)
{
struct rte_eth_dev *dev;
int count;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
dev = &rte_eth_devices[port_id];
if (dev->dev_ops->xstats_get_names_by_id != NULL) {
count = (*dev->dev_ops->xstats_get_names_by_id)(dev, NULL,
NULL, 0);
if (count < 0)
return eth_err(port_id, count);
}
if (dev->dev_ops->xstats_get_names != NULL) {
count = (*dev->dev_ops->xstats_get_names)(dev, NULL, 0);
if (count < 0)
return eth_err(port_id, count);
} else
count = 0;
count += get_xstats_basic_count(dev);
return count;
}
int
rte_eth_xstats_get_id_by_name(uint16_t port_id, const char *xstat_name,
uint64_t *id)
{
int cnt_xstats, idx_xstat;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
if (!id) {
RTE_ETHDEV_LOG(ERR, "Id pointer is NULL\n");
return -ENOMEM;
}
if (!xstat_name) {
RTE_ETHDEV_LOG(ERR, "xstat_name pointer is NULL\n");
return -ENOMEM;
}
/* Get count */
cnt_xstats = rte_eth_xstats_get_names_by_id(port_id, NULL, 0, NULL);
if (cnt_xstats < 0) {
RTE_ETHDEV_LOG(ERR, "Cannot get count of xstats\n");
return -ENODEV;
}
/* Get id-name lookup table */
struct rte_eth_xstat_name xstats_names[cnt_xstats];
if (cnt_xstats != rte_eth_xstats_get_names_by_id(
port_id, xstats_names, cnt_xstats, NULL)) {
RTE_ETHDEV_LOG(ERR, "Cannot get xstats lookup\n");
return -1;
}
for (idx_xstat = 0; idx_xstat < cnt_xstats; idx_xstat++) {
if (!strcmp(xstats_names[idx_xstat].name, xstat_name)) {
*id = idx_xstat;
return 0;
};
}
return -EINVAL;
}
/* retrieve basic stats names */
static int
rte_eth_basic_stats_get_names(struct rte_eth_dev *dev,
struct rte_eth_xstat_name *xstats_names)
{
int cnt_used_entries = 0;
uint32_t idx, id_queue;
uint16_t num_q;
for (idx = 0; idx < RTE_NB_STATS; idx++) {
snprintf(xstats_names[cnt_used_entries].name,
sizeof(xstats_names[0].name),
"%s", rte_stats_strings[idx].name);
cnt_used_entries++;
}
num_q = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
for (id_queue = 0; id_queue < num_q; id_queue++) {
for (idx = 0; idx < RTE_NB_RXQ_STATS; idx++) {
snprintf(xstats_names[cnt_used_entries].name,
sizeof(xstats_names[0].name),
"rx_q%u%s",
id_queue, rte_rxq_stats_strings[idx].name);
cnt_used_entries++;
}
}
num_q = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
for (id_queue = 0; id_queue < num_q; id_queue++) {
for (idx = 0; idx < RTE_NB_TXQ_STATS; idx++) {
snprintf(xstats_names[cnt_used_entries].name,
sizeof(xstats_names[0].name),
"tx_q%u%s",
id_queue, rte_txq_stats_strings[idx].name);
cnt_used_entries++;
}
}
return cnt_used_entries;
}
/* retrieve ethdev extended statistics names */
int
rte_eth_xstats_get_names_by_id(uint16_t port_id,
struct rte_eth_xstat_name *xstats_names, unsigned int size,
uint64_t *ids)
{
struct rte_eth_xstat_name *xstats_names_copy;
unsigned int no_basic_stat_requested = 1;
unsigned int no_ext_stat_requested = 1;
unsigned int expected_entries;
unsigned int basic_count;
struct rte_eth_dev *dev;
unsigned int i;
int ret;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
dev = &rte_eth_devices[port_id];
basic_count = get_xstats_basic_count(dev);
ret = get_xstats_count(port_id);
if (ret < 0)
return ret;
expected_entries = (unsigned int)ret;
/* Return max number of stats if no ids given */
if (!ids) {
if (!xstats_names)
return expected_entries;
else if (xstats_names && size < expected_entries)
return expected_entries;
}
if (ids && !xstats_names)
return -EINVAL;
if (ids && dev->dev_ops->xstats_get_names_by_id != NULL && size > 0) {
uint64_t ids_copy[size];
for (i = 0; i < size; i++) {
if (ids[i] < basic_count) {
no_basic_stat_requested = 0;
break;
}
/*
* Convert ids to xstats ids that PMD knows.
* ids known by user are basic + extended stats.
*/
ids_copy[i] = ids[i] - basic_count;
}
if (no_basic_stat_requested)
return (*dev->dev_ops->xstats_get_names_by_id)(dev,
xstats_names, ids_copy, size);
}
/* Retrieve all stats */
if (!ids) {
int num_stats = rte_eth_xstats_get_names(port_id, xstats_names,
expected_entries);
if (num_stats < 0 || num_stats > (int)expected_entries)
return num_stats;
else
return expected_entries;
}
xstats_names_copy = calloc(expected_entries,
sizeof(struct rte_eth_xstat_name));
if (!xstats_names_copy) {
RTE_ETHDEV_LOG(ERR, "Can't allocate memory\n");
return -ENOMEM;
}
if (ids) {
for (i = 0; i < size; i++) {
if (ids[i] >= basic_count) {
no_ext_stat_requested = 0;
break;
}
}
}
/* Fill xstats_names_copy structure */
if (ids && no_ext_stat_requested) {
rte_eth_basic_stats_get_names(dev, xstats_names_copy);
} else {
ret = rte_eth_xstats_get_names(port_id, xstats_names_copy,
expected_entries);
if (ret < 0) {
free(xstats_names_copy);
return ret;
}
}
/* Filter stats */
for (i = 0; i < size; i++) {
if (ids[i] >= expected_entries) {
RTE_ETHDEV_LOG(ERR, "Id value isn't valid\n");
free(xstats_names_copy);
return -1;
}
xstats_names[i] = xstats_names_copy[ids[i]];
}
free(xstats_names_copy);
return size;
}
int
rte_eth_xstats_get_names(uint16_t port_id,
struct rte_eth_xstat_name *xstats_names,
unsigned int size)
{
struct rte_eth_dev *dev;
int cnt_used_entries;
int cnt_expected_entries;
int cnt_driver_entries;
cnt_expected_entries = get_xstats_count(port_id);
if (xstats_names == NULL || cnt_expected_entries < 0 ||
(int)size < cnt_expected_entries)
return cnt_expected_entries;
/* port_id checked in get_xstats_count() */
dev = &rte_eth_devices[port_id];
cnt_used_entries = rte_eth_basic_stats_get_names(
dev, xstats_names);
if (dev->dev_ops->xstats_get_names != NULL) {
/* If there are any driver-specific xstats, append them
* to end of list.
*/
cnt_driver_entries = (*dev->dev_ops->xstats_get_names)(
dev,
xstats_names + cnt_used_entries,
size - cnt_used_entries);
if (cnt_driver_entries < 0)
return eth_err(port_id, cnt_driver_entries);
cnt_used_entries += cnt_driver_entries;
}
return cnt_used_entries;
}
static int
rte_eth_basic_stats_get(uint16_t port_id, struct rte_eth_xstat *xstats)
{
struct rte_eth_dev *dev;
struct rte_eth_stats eth_stats;
unsigned int count = 0, i, q;
uint64_t val, *stats_ptr;
uint16_t nb_rxqs, nb_txqs;
int ret;
ret = rte_eth_stats_get(port_id, &eth_stats);
if (ret < 0)
return ret;
dev = &rte_eth_devices[port_id];
nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
/* global stats */
for (i = 0; i < RTE_NB_STATS; i++) {
stats_ptr = RTE_PTR_ADD(&eth_stats,
rte_stats_strings[i].offset);
val = *stats_ptr;
xstats[count++].value = val;
}
/* per-rxq stats */
for (q = 0; q < nb_rxqs; q++) {
for (i = 0; i < RTE_NB_RXQ_STATS; i++) {
stats_ptr = RTE_PTR_ADD(&eth_stats,
rte_rxq_stats_strings[i].offset +
q * sizeof(uint64_t));
val = *stats_ptr;
xstats[count++].value = val;
}
}
/* per-txq stats */
for (q = 0; q < nb_txqs; q++) {
for (i = 0; i < RTE_NB_TXQ_STATS; i++) {
stats_ptr = RTE_PTR_ADD(&eth_stats,
rte_txq_stats_strings[i].offset +
q * sizeof(uint64_t));
val = *stats_ptr;
xstats[count++].value = val;
}
}
return count;
}
/* retrieve ethdev extended statistics */
int
rte_eth_xstats_get_by_id(uint16_t port_id, const uint64_t *ids,
uint64_t *values, unsigned int size)
{
unsigned int no_basic_stat_requested = 1;
unsigned int no_ext_stat_requested = 1;
unsigned int num_xstats_filled;
unsigned int basic_count;
uint16_t expected_entries;
struct rte_eth_dev *dev;
unsigned int i;
int ret;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
ret = get_xstats_count(port_id);
if (ret < 0)
return ret;
expected_entries = (uint16_t)ret;
struct rte_eth_xstat xstats[expected_entries];
dev = &rte_eth_devices[port_id];
basic_count = get_xstats_basic_count(dev);
/* Return max number of stats if no ids given */
if (!ids) {
if (!values)
return expected_entries;
else if (values && size < expected_entries)
return expected_entries;
}
if (ids && !values)
return -EINVAL;
if (ids && dev->dev_ops->xstats_get_by_id != NULL && size) {
unsigned int basic_count = get_xstats_basic_count(dev);
uint64_t ids_copy[size];
for (i = 0; i < size; i++) {
if (ids[i] < basic_count) {
no_basic_stat_requested = 0;
break;
}
/*
* Convert ids to xstats ids that PMD knows.
* ids known by user are basic + extended stats.
*/
ids_copy[i] = ids[i] - basic_count;
}
if (no_basic_stat_requested)
return (*dev->dev_ops->xstats_get_by_id)(dev, ids_copy,
values, size);
}
if (ids) {
for (i = 0; i < size; i++) {
if (ids[i] >= basic_count) {
no_ext_stat_requested = 0;
break;
}
}
}
/* Fill the xstats structure */
if (ids && no_ext_stat_requested)
ret = rte_eth_basic_stats_get(port_id, xstats);
else
ret = rte_eth_xstats_get(port_id, xstats, expected_entries);
if (ret < 0)
return ret;
num_xstats_filled = (unsigned int)ret;
/* Return all stats */
if (!ids) {
for (i = 0; i < num_xstats_filled; i++)
values[i] = xstats[i].value;
return expected_entries;
}
/* Filter stats */
for (i = 0; i < size; i++) {
if (ids[i] >= expected_entries) {
RTE_ETHDEV_LOG(ERR, "Id value isn't valid\n");
return -1;
}
values[i] = xstats[ids[i]].value;
}
return size;
}
int
rte_eth_xstats_get(uint16_t port_id, struct rte_eth_xstat *xstats,
unsigned int n)
{
struct rte_eth_dev *dev;
unsigned int count = 0, i;
signed int xcount = 0;
uint16_t nb_rxqs, nb_txqs;
int ret;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
dev = &rte_eth_devices[port_id];
nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
/* Return generic statistics */
count = RTE_NB_STATS + (nb_rxqs * RTE_NB_RXQ_STATS) +
(nb_txqs * RTE_NB_TXQ_STATS);
/* implemented by the driver */
if (dev->dev_ops->xstats_get != NULL) {
/* Retrieve the xstats from the driver at the end of the
* xstats struct.
*/
xcount = (*dev->dev_ops->xstats_get)(dev,
xstats ? xstats + count : NULL,
(n > count) ? n - count : 0);
if (xcount < 0)
return eth_err(port_id, xcount);
}
if (n < count + xcount || xstats == NULL)
return count + xcount;
/* now fill the xstats structure */
ret = rte_eth_basic_stats_get(port_id, xstats);
if (ret < 0)
return ret;
count = ret;
for (i = 0; i < count; i++)
xstats[i].id = i;
/* add an offset to driver-specific stats */
for ( ; i < count + xcount; i++)
xstats[i].id += count;
return count + xcount;
}
/* reset ethdev extended statistics */
void
rte_eth_xstats_reset(uint16_t port_id)
{
struct rte_eth_dev *dev;
RTE_ETH_VALID_PORTID_OR_RET(port_id);
dev = &rte_eth_devices[port_id];
/* implemented by the driver */
if (dev->dev_ops->xstats_reset != NULL) {
(*dev->dev_ops->xstats_reset)(dev);
return;
}
/* fallback to default */
rte_eth_stats_reset(port_id);
}
static int
set_queue_stats_mapping(uint16_t port_id, uint16_t queue_id, uint8_t stat_idx,
uint8_t is_rx)
{
struct rte_eth_dev *dev;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
dev = &rte_eth_devices[port_id];
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_stats_mapping_set, -ENOTSUP);
if (is_rx && (queue_id >= dev->data->nb_rx_queues))
return -EINVAL;
if (!is_rx && (queue_id >= dev->data->nb_tx_queues))
return -EINVAL;
if (stat_idx >= RTE_ETHDEV_QUEUE_STAT_CNTRS)
return -EINVAL;
return (*dev->dev_ops->queue_stats_mapping_set)
(dev, queue_id, stat_idx, is_rx);
}
int
rte_eth_dev_set_tx_queue_stats_mapping(uint16_t port_id, uint16_t tx_queue_id,
uint8_t stat_idx)
{
return eth_err(port_id, set_queue_stats_mapping(port_id, tx_queue_id,
stat_idx, STAT_QMAP_TX));
}
int
rte_eth_dev_set_rx_queue_stats_mapping(uint16_t port_id, uint16_t rx_queue_id,
uint8_t stat_idx)
{
return eth_err(port_id, set_queue_stats_mapping(port_id, rx_queue_id,
stat_idx, STAT_QMAP_RX));
}
int
rte_eth_dev_fw_version_get(uint16_t port_id, char *fw_version, size_t fw_size)
{
struct rte_eth_dev *dev;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
dev = &rte_eth_devices[port_id];
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fw_version_get, -ENOTSUP);
return eth_err(port_id, (*dev->dev_ops->fw_version_get)(dev,
fw_version, fw_size));
}
void
rte_eth_dev_info_get(uint16_t port_id, struct rte_eth_dev_info *dev_info)
{
struct rte_eth_dev *dev;
const struct rte_eth_desc_lim lim = {
.nb_max = UINT16_MAX,
.nb_min = 0,
.nb_align = 1,
};
RTE_ETH_VALID_PORTID_OR_RET(port_id);
dev = &rte_eth_devices[port_id];
memset(dev_info, 0, sizeof(struct rte_eth_dev_info));
dev_info->rx_desc_lim = lim;
dev_info->tx_desc_lim = lim;
dev_info->device = dev->device;
RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_infos_get);
(*dev->dev_ops->dev_infos_get)(dev, dev_info);
dev_info->driver_name = dev->device->driver->name;
dev_info->nb_rx_queues = dev->data->nb_rx_queues;
dev_info->nb_tx_queues = dev->data->nb_tx_queues;
dev_info->dev_flags = &dev->data->dev_flags;
}
int
rte_eth_dev_get_supported_ptypes(uint16_t port_id, uint32_t ptype_mask,
uint32_t *ptypes, int num)
{
int i, j;
struct rte_eth_dev *dev;
const uint32_t *all_ptypes;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
dev = &rte_eth_devices[port_id];
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_supported_ptypes_get, 0);
all_ptypes = (*dev->dev_ops->dev_supported_ptypes_get)(dev);
if (!all_ptypes)
return 0;
for (i = 0, j = 0; all_ptypes[i] != RTE_PTYPE_UNKNOWN; ++i)
if (all_ptypes[i] & ptype_mask) {
if (j < num)
ptypes[j] = all_ptypes[i];
j++;
}
return j;
}
void
rte_eth_macaddr_get(uint16_t port_id, struct ether_addr *mac_addr)
{
struct rte_eth_dev *dev;
RTE_ETH_VALID_PORTID_OR_RET(port_id);
dev = &rte_eth_devices[port_id];
ether_addr_copy(&dev->data->mac_addrs[0], mac_addr);
}
int
rte_eth_dev_get_mtu(uint16_t port_id, uint16_t *mtu)
{
struct rte_eth_dev *dev;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
dev = &rte_eth_devices[port_id];
*mtu = dev->data->mtu;
return 0;
}
int
rte_eth_dev_set_mtu(uint16_t port_id, uint16_t mtu)
{
int ret;
struct rte_eth_dev *dev;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
dev = &rte_eth_devices[port_id];
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mtu_set, -ENOTSUP);
ret = (*dev->dev_ops->mtu_set)(dev, mtu);
if (!ret)
dev->data->mtu = mtu;
return eth_err(port_id, ret);
}
int
rte_eth_dev_vlan_filter(uint16_t port_id, uint16_t vlan_id, int on)
{
struct rte_eth_dev *dev;
int ret;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
dev = &rte_eth_devices[port_id];
if (!(dev->data->dev_conf.rxmode.offloads &
DEV_RX_OFFLOAD_VLAN_FILTER)) {
RTE_ETHDEV_LOG(ERR, "Port %u: vlan-filtering disabled\n",
port_id);
return -ENOSYS;
}
if (vlan_id > 4095) {
RTE_ETHDEV_LOG(ERR, "Port_id=%u invalid vlan_id=%u > 4095\n",
port_id, vlan_id);
return -EINVAL;
}
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_filter_set, -ENOTSUP);
ret = (*dev->dev_ops->vlan_filter_set)(dev, vlan_id, on);
if (ret == 0) {
struct rte_vlan_filter_conf *vfc;
int vidx;
int vbit;
vfc = &dev->data->vlan_filter_conf;
vidx = vlan_id / 64;
vbit = vlan_id % 64;
if (on)
vfc->ids[vidx] |= UINT64_C(1) << vbit;
else
vfc->ids[vidx] &= ~(UINT64_C(1) << vbit);
}
return eth_err(port_id, ret);
}
int
rte_eth_dev_set_vlan_strip_on_queue(uint16_t port_id, uint16_t rx_queue_id,
int on)
{
struct rte_eth_dev *dev;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
dev = &rte_eth_devices[port_id];
if (rx_queue_id >= dev->data->nb_rx_queues) {
RTE_ETHDEV_LOG(ERR, "Invalid rx_queue_id=%u\n", rx_queue_id);
return -EINVAL;
}
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_strip_queue_set, -ENOTSUP);
(*dev->dev_ops->vlan_strip_queue_set)(dev, rx_queue_id, on);
return 0;
}
int
rte_eth_dev_set_vlan_ether_type(uint16_t port_id,
enum rte_vlan_type vlan_type,
uint16_t tpid)
{
struct rte_eth_dev *dev;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
dev = &rte_eth_devices[port_id];
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_tpid_set, -ENOTSUP);
return eth_err(port_id, (*dev->dev_ops->vlan_tpid_set)(dev, vlan_type,
tpid));
}
int
rte_eth_dev_set_vlan_offload(uint16_t port_id, int offload_mask)
{
struct rte_eth_dev *dev;
int ret = 0;
int mask = 0;
int cur, org = 0;
uint64_t orig_offloads;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
dev = &rte_eth_devices[port_id];
/* save original values in case of failure */
orig_offloads = dev->data->dev_conf.rxmode.offloads;
/*check which option changed by application*/
cur = !!(offload_mask & ETH_VLAN_STRIP_OFFLOAD);
org = !!(dev->data->dev_conf.rxmode.offloads &
DEV_RX_OFFLOAD_VLAN_STRIP);
if (cur != org) {
if (cur)
dev->data->dev_conf.rxmode.offloads |=
DEV_RX_OFFLOAD_VLAN_STRIP;
else
dev->data->dev_conf.rxmode.offloads &=
~DEV_RX_OFFLOAD_VLAN_STRIP;
mask |= ETH_VLAN_STRIP_MASK;
}
cur = !!(offload_mask & ETH_VLAN_FILTER_OFFLOAD);
org = !!(dev->data->dev_conf.rxmode.offloads &
DEV_RX_OFFLOAD_VLAN_FILTER);
if (cur != org) {
if (cur)
dev->data->dev_conf.rxmode.offloads |=
DEV_RX_OFFLOAD_VLAN_FILTER;
else
dev->data->dev_conf.rxmode.offloads &=
~DEV_RX_OFFLOAD_VLAN_FILTER;
mask |= ETH_VLAN_FILTER_MASK;
}
cur = !!(offload_mask & ETH_VLAN_EXTEND_OFFLOAD);
org = !!(dev->data->dev_conf.rxmode.offloads &
DEV_RX_OFFLOAD_VLAN_EXTEND);
if (cur != org) {
if (cur)
dev->data->dev_conf.rxmode.offloads |=
DEV_RX_OFFLOAD_VLAN_EXTEND;
else
dev->data->dev_conf.rxmode.offloads &=
~DEV_RX_OFFLOAD_VLAN_EXTEND;
mask |= ETH_VLAN_EXTEND_MASK;
}
/*no change*/
if (mask == 0)
return ret;
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_offload_set, -ENOTSUP);
ret = (*dev->dev_ops->vlan_offload_set)(dev, mask);
if (ret) {
/* hit an error restore original values */
dev->data->dev_conf.rxmode.offloads = orig_offloads;
}
return eth_err(port_id, ret);
}
int
rte_eth_dev_get_vlan_offload(uint16_t port_id)
{
struct rte_eth_dev *dev;
int ret = 0;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
dev = &rte_eth_devices[port_id];
if (dev->data->dev_conf.rxmode.offloads &
DEV_RX_OFFLOAD_VLAN_STRIP)
ret |= ETH_VLAN_STRIP_OFFLOAD;
if (dev->data->dev_conf.rxmode.offloads &
DEV_RX_OFFLOAD_VLAN_FILTER)
ret |= ETH_VLAN_FILTER_OFFLOAD;
if (dev->data->dev_conf.rxmode.offloads &
DEV_RX_OFFLOAD_VLAN_EXTEND)
ret |= ETH_VLAN_EXTEND_OFFLOAD;
return ret;
}
int
rte_eth_dev_set_vlan_pvid(uint16_t port_id, uint16_t pvid, int on)
{
struct rte_eth_dev *dev;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
dev = &rte_eth_devices[port_id];
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_pvid_set, -ENOTSUP);
return eth_err(port_id, (*dev->dev_ops->vlan_pvid_set)(dev, pvid, on));
}
int
rte_eth_dev_flow_ctrl_get(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
{
struct rte_eth_dev *dev;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
dev = &rte_eth_devices[port_id];
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_get, -ENOTSUP);
memset(fc_conf, 0, sizeof(*fc_conf));
return eth_err(port_id, (*dev->dev_ops->flow_ctrl_get)(dev, fc_conf));
}
int
rte_eth_dev_flow_ctrl_set(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
{
struct rte_eth_dev *dev;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
if ((fc_conf->send_xon != 0) && (fc_conf->send_xon != 1)) {
RTE_ETHDEV_LOG(ERR, "Invalid send_xon, only 0/1 allowed\n");
return -EINVAL;
}
dev = &rte_eth_devices[port_id];
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_set, -ENOTSUP);
return eth_err(port_id, (*dev->dev_ops->flow_ctrl_set)(dev, fc_conf));
}
int
rte_eth_dev_priority_flow_ctrl_set(uint16_t port_id,
struct rte_eth_pfc_conf *pfc_conf)
{
struct rte_eth_dev *dev;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
if (pfc_conf->priority > (ETH_DCB_NUM_USER_PRIORITIES - 1)) {
RTE_ETHDEV_LOG(ERR, "Invalid priority, only 0-7 allowed\n");
return -EINVAL;
}
dev = &rte_eth_devices[port_id];
/* High water, low water validation are device specific */
if (*dev->dev_ops->priority_flow_ctrl_set)
return eth_err(port_id, (*dev->dev_ops->priority_flow_ctrl_set)
(dev, pfc_conf));
return -ENOTSUP;
}
static int
rte_eth_check_reta_mask(struct rte_eth_rss_reta_entry64 *reta_conf,
uint16_t reta_size)
{
uint16_t i, num;
if (!reta_conf)
return -EINVAL;
num = (reta_size + RTE_RETA_GROUP_SIZE - 1) / RTE_RETA_GROUP_SIZE;
for (i = 0; i < num; i++) {
if (reta_conf[i].mask)
return 0;
}
return -EINVAL;
}
static int
rte_eth_check_reta_entry(struct rte_eth_rss_reta_entry64 *reta_conf,
uint16_t reta_size,
uint16_t max_rxq)
{
uint16_t i, idx, shift;
if (!reta_conf)
return -EINVAL;
if (max_rxq == 0) {
RTE_ETHDEV_LOG(ERR, "No receive queue is available\n");
return -EINVAL;
}
for (i = 0; i < reta_size; i++) {
idx = i / RTE_RETA_GROUP_SIZE;
shift = i % RTE_RETA_GROUP_SIZE;
if ((reta_conf[idx].mask & (1ULL << shift)) &&
(reta_conf[idx].reta[shift] >= max_rxq)) {
RTE_ETHDEV_LOG(ERR,
"reta_conf[%u]->reta[%u]: %u exceeds the maximum rxq index: %u\n",
idx, shift,
reta_conf[idx].reta[shift], max_rxq);
return -EINVAL;
}
}
return 0;
}
int
rte_eth_dev_rss_reta_update(uint16_t port_id,
struct rte_eth_rss_reta_entry64 *reta_conf,
uint16_t reta_size)
{
struct rte_eth_dev *dev;
int ret;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
/* Check mask bits */
ret = rte_eth_check_reta_mask(reta_conf, reta_size);
if (ret < 0)
return ret;
dev = &rte_eth_devices[port_id];
/* Check entry value */
ret = rte_eth_check_reta_entry(reta_conf, reta_size,
dev->data->nb_rx_queues);
if (ret < 0)
return ret;
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_update, -ENOTSUP);
return eth_err(port_id, (*dev->dev_ops->reta_update)(dev, reta_conf,
reta_size));
}
int
rte_eth_dev_rss_reta_query(uint16_t port_id,
struct rte_eth_rss_reta_entry64 *reta_conf,
uint16_t reta_size)
{
struct rte_eth_dev *dev;
int ret;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
/* Check mask bits */
ret = rte_eth_check_reta_mask(reta_conf, reta_size);
if (ret < 0)
return ret;
dev = &rte_eth_devices[port_id];
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_query, -ENOTSUP);
return eth_err(port_id, (*dev->dev_ops->reta_query)(dev, reta_conf,
reta_size));
}
int
rte_eth_dev_rss_hash_update(uint16_t port_id,
struct rte_eth_rss_conf *rss_conf)
{
struct rte_eth_dev *dev;
struct rte_eth_dev_info dev_info = { .flow_type_rss_offloads = 0, };
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
dev = &rte_eth_devices[port_id];
rte_eth_dev_info_get(port_id, &dev_info);
if ((dev_info.flow_type_rss_offloads | rss_conf->rss_hf) !=
dev_info.flow_type_rss_offloads) {
RTE_ETHDEV_LOG(ERR,
"Ethdev port_id=%u invalid rss_hf: 0x%"PRIx64", valid value: 0x%"PRIx64"\n",
port_id, rss_conf->rss_hf,
dev_info.flow_type_rss_offloads);
return -EINVAL;
}
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_update, -ENOTSUP);
return eth_err(port_id, (*dev->dev_ops->rss_hash_update)(dev,
rss_conf));
}
int
rte_eth_dev_rss_hash_conf_get(uint16_t port_id,
struct rte_eth_rss_conf *rss_conf)
{
struct rte_eth_dev *dev;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
dev = &rte_eth_devices[port_id];
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_conf_get, -ENOTSUP);
return eth_err(port_id, (*dev->dev_ops->rss_hash_conf_get)(dev,
rss_conf));
}
int
rte_eth_dev_udp_tunnel_port_add(uint16_t port_id,
struct rte_eth_udp_tunnel *udp_tunnel)
{
struct rte_eth_dev *dev;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
if (udp_tunnel == NULL) {
RTE_ETHDEV_LOG(ERR, "Invalid udp_tunnel parameter\n");
return -EINVAL;
}
if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
return -EINVAL;
}
dev = &rte_eth_devices[port_id];
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_add, -ENOTSUP);
return eth_err(port_id, (*dev->dev_ops->udp_tunnel_port_add)(dev,
udp_tunnel));
}
int
rte_eth_dev_udp_tunnel_port_delete(uint16_t port_id,
struct rte_eth_udp_tunnel *udp_tunnel)
{
struct rte_eth_dev *dev;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
dev = &rte_eth_devices[port_id];
if (udp_tunnel == NULL) {
RTE_ETHDEV_LOG(ERR, "Invalid udp_tunnel parameter\n");
return -EINVAL;
}
if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
return -EINVAL;
}
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_del, -ENOTSUP);
return eth_err(port_id, (*dev->dev_ops->udp_tunnel_port_del)(dev,
udp_tunnel));
}
int
rte_eth_led_on(uint16_t port_id)
{
struct rte_eth_dev *dev;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
dev = &rte_eth_devices[port_id];
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_on, -ENOTSUP);
return eth_err(port_id, (*dev->dev_ops->dev_led_on)(dev));
}
int
rte_eth_led_off(uint16_t port_id)
{
struct rte_eth_dev *dev;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
dev = &rte_eth_devices[port_id];
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_off, -ENOTSUP);
return eth_err(port_id, (*dev->dev_ops->dev_led_off)(dev));
}
/*
* Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
* an empty spot.
*/
static int
get_mac_addr_index(uint16_t port_id, const struct ether_addr *addr)
{
struct rte_eth_dev_info dev_info;
struct rte_eth_dev *dev = &rte_eth_devices[port_id];
unsigned i;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
rte_eth_dev_info_get(port_id, &dev_info);
for (i = 0; i < dev_info.max_mac_addrs; i++)
if (memcmp(addr, &dev->data->mac_addrs[i], ETHER_ADDR_LEN) == 0)
return i;
return -1;
}
static const struct ether_addr null_mac_addr;
int
rte_eth_dev_mac_addr_add(uint16_t port_id, struct ether_addr *addr,
uint32_t pool)
{
struct rte_eth_dev *dev;
int index;
uint64_t pool_mask;
int ret;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
dev = &rte_eth_devices[port_id];
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_add, -ENOTSUP);
if (is_zero_ether_addr(addr)) {
RTE_ETHDEV_LOG(ERR, "Port %u: Cannot add NULL MAC address\n",
port_id);
return -EINVAL;
}
if (pool >= ETH_64_POOLS) {
RTE_ETHDEV_LOG(ERR, "Pool id must be 0-%d\n", ETH_64_POOLS - 1);
return -EINVAL;
}
index = get_mac_addr_index(port_id, addr);
if (index < 0) {
index = get_mac_addr_index(port_id, &null_mac_addr);
if (index < 0) {
RTE_ETHDEV_LOG(ERR, "Port %u: MAC address array full\n",
port_id);
return -ENOSPC;
}
} else {
pool_mask = dev->data->mac_pool_sel[index];
/* Check if both MAC address and pool is already there, and do nothing */
if (pool_mask & (1ULL << pool))
return 0;
}
/* Update NIC */
ret = (*dev->dev_ops->mac_addr_add)(dev, addr, index, pool);
if (ret == 0) {
/* Update address in NIC data structure */
ether_addr_copy(addr, &dev->data->mac_addrs[index]);
/* Update pool bitmap in NIC data structure */
dev->data->mac_pool_sel[index] |= (1ULL << pool);
}
return eth_err(port_id, ret);
}
int
rte_eth_dev_mac_addr_remove(uint16_t port_id, struct ether_addr *addr)
{
struct rte_eth_dev *dev;
int index;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
dev = &rte_eth_devices[port_id];
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_remove, -ENOTSUP);
index = get_mac_addr_index(port_id, addr);
if (index == 0) {
RTE_ETHDEV_LOG(ERR,
"Port %u: Cannot remove default MAC address\n",
port_id);
return -EADDRINUSE;
} else if (index < 0)
return 0; /* Do nothing if address wasn't found */
/* Update NIC */
(*dev->dev_ops->mac_addr_remove)(dev, index);
/* Update address in NIC data structure */
ether_addr_copy(&null_mac_addr, &dev->data->mac_addrs[index]);
/* reset pool bitmap */
dev->data->mac_pool_sel[index] = 0;
return 0;
}
int
rte_eth_dev_default_mac_addr_set(uint16_t port_id, struct ether_addr *addr)
{
struct rte_eth_dev *dev;
int ret;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
if (!is_valid_assigned_ether_addr(addr))
return -EINVAL;
dev = &rte_eth_devices[port_id];
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_set, -ENOTSUP);
ret = (*dev->dev_ops->mac_addr_set)(dev, addr);
if (ret < 0)
return ret;
/* Update default address in NIC data structure */
ether_addr_copy(addr, &dev->data->mac_addrs[0]);
return 0;
}
/*
* Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
* an empty spot.
*/
static int
get_hash_mac_addr_index(uint16_t port_id, const struct ether_addr *addr)
{
struct rte_eth_dev_info dev_info;
struct rte_eth_dev *dev = &rte_eth_devices[port_id];
unsigned i;
rte_eth_dev_info_get(port_id, &dev_info);
if (!dev->data->hash_mac_addrs)
return -1;
for (i = 0; i < dev_info.max_hash_mac_addrs; i++)
if (memcmp(addr, &dev->data->hash_mac_addrs[i],
ETHER_ADDR_LEN) == 0)
return i;
return -1;
}
int
rte_eth_dev_uc_hash_table_set(uint16_t port_id, struct ether_addr *addr,
uint8_t on)
{
int index;
int ret;
struct rte_eth_dev *dev;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
dev = &rte_eth_devices[port_id];
if (is_zero_ether_addr(addr)) {
RTE_ETHDEV_LOG(ERR, "Port %u: Cannot add NULL MAC address\n",
port_id);
return -EINVAL;
}
index = get_hash_mac_addr_index(port_id, addr);
/* Check if it's already there, and do nothing */
if ((index >= 0) && on)
return 0;
if (index < 0) {
if (!on) {
RTE_ETHDEV_LOG(ERR,
"Port %u: the MAC address was not set in UTA\n",
port_id);
return -EINVAL;
}
index = get_hash_mac_addr_index(port_id, &null_mac_addr);
if (index < 0) {
RTE_ETHDEV_LOG(ERR, "Port %u: MAC address array full\n",
port_id);
return -ENOSPC;
}
}
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_hash_table_set, -ENOTSUP);
ret = (*dev->dev_ops->uc_hash_table_set)(dev, addr, on);
if (ret == 0) {
/* Update address in NIC data structure */
if (on)
ether_addr_copy(addr,
&dev->data->hash_mac_addrs[index]);
else
ether_addr_copy(&null_mac_addr,
&dev->data->hash_mac_addrs[index]);
}
return eth_err(port_id, ret);
}
int
rte_eth_dev_uc_all_hash_table_set(uint16_t port_id, uint8_t on)
{
struct rte_eth_dev *dev;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
dev = &rte_eth_devices[port_id];
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_all_hash_table_set, -ENOTSUP);
return eth_err(port_id, (*dev->dev_ops->uc_all_hash_table_set)(dev,
on));
}
int rte_eth_set_queue_rate_limit(uint16_t port_id, uint16_t queue_idx,
uint16_t tx_rate)
{
struct rte_eth_dev *dev;
struct rte_eth_dev_info dev_info;
struct rte_eth_link link;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
dev = &rte_eth_devices[port_id];
rte_eth_dev_info_get(port_id, &dev_info);
link = dev->data->dev_link;
if (queue_idx > dev_info.max_tx_queues) {
RTE_ETHDEV_LOG(ERR,
"Set queue rate limit:port %u: invalid queue id=%u\n",
port_id, queue_idx);
return -EINVAL;
}
if (tx_rate > link.link_speed) {
RTE_ETHDEV_LOG(ERR,
"Set queue rate limit:invalid tx_rate=%u, bigger than link speed= %d\n",
tx_rate, link.link_speed);
return -EINVAL;
}
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_queue_rate_limit, -ENOTSUP);
return eth_err(port_id, (*dev->dev_ops->set_queue_rate_limit)(dev,
queue_idx, tx_rate));
}
int
rte_eth_mirror_rule_set(uint16_t port_id,
struct rte_eth_mirror_conf *mirror_conf,
uint8_t rule_id, uint8_t on)
{
struct rte_eth_dev *dev;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
if (mirror_conf->rule_type == 0) {
RTE_ETHDEV_LOG(ERR, "Mirror rule type can not be 0\n");
return -EINVAL;
}
if (mirror_conf->dst_pool >= ETH_64_POOLS) {
RTE_ETHDEV_LOG(ERR, "Invalid dst pool, pool id must be 0-%d\n",
ETH_64_POOLS - 1);
return -EINVAL;
}
if ((mirror_conf->rule_type & (ETH_MIRROR_VIRTUAL_POOL_UP |
ETH_MIRROR_VIRTUAL_POOL_DOWN)) &&
(mirror_conf->pool_mask == 0)) {
RTE_ETHDEV_LOG(ERR,
"Invalid mirror pool, pool mask can not be 0\n");
return -EINVAL;
}
if ((mirror_conf->rule_type & ETH_MIRROR_VLAN) &&
mirror_conf->vlan.vlan_mask == 0) {
RTE_ETHDEV_LOG(ERR,
"Invalid vlan mask, vlan mask can not be 0\n");
return -EINVAL;
}
dev = &rte_eth_devices[port_id];
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_set, -ENOTSUP);
return eth_err(port_id, (*dev->dev_ops->mirror_rule_set)(dev,
mirror_conf, rule_id, on));
}
int
rte_eth_mirror_rule_reset(uint16_t port_id, uint8_t rule_id)
{
struct rte_eth_dev *dev;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
dev = &rte_eth_devices[port_id];
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_reset, -ENOTSUP);
return eth_err(port_id, (*dev->dev_ops->mirror_rule_reset)(dev,
rule_id));
}
RTE_INIT(eth_dev_init_cb_lists)
{
int i;
for (i = 0; i < RTE_MAX_ETHPORTS; i++)
TAILQ_INIT(&rte_eth_devices[i].link_intr_cbs);
}
int
rte_eth_dev_callback_register(uint16_t port_id,
enum rte_eth_event_type event,
rte_eth_dev_cb_fn cb_fn, void *cb_arg)
{
struct rte_eth_dev *dev;
struct rte_eth_dev_callback *user_cb;
uint32_t next_port; /* size is 32-bit to prevent loop wrap-around */
uint16_t last_port;
if (!cb_fn)
return -EINVAL;
if (!rte_eth_dev_is_valid_port(port_id) && port_id != RTE_ETH_ALL) {
RTE_ETHDEV_LOG(ERR, "Invalid port_id=%d\n", port_id);
return -EINVAL;
}
if (port_id == RTE_ETH_ALL) {
next_port = 0;
last_port = RTE_MAX_ETHPORTS - 1;
} else {
next_port = last_port = port_id;
}
rte_spinlock_lock(&rte_eth_dev_cb_lock);
do {
dev = &rte_eth_devices[next_port];
TAILQ_FOREACH(user_cb, &(dev->link_intr_cbs), next) {
if (user_cb->cb_fn == cb_fn &&
user_cb->cb_arg == cb_arg &&
user_cb->event == event) {
break;
}
}
/* create a new callback. */
if (user_cb == NULL) {
user_cb = rte_zmalloc("INTR_USER_CALLBACK",
sizeof(struct rte_eth_dev_callback), 0);
if (user_cb != NULL) {
user_cb->cb_fn = cb_fn;
user_cb->cb_arg = cb_arg;
user_cb->event = event;
TAILQ_INSERT_TAIL(&(dev->link_intr_cbs),
user_cb, next);
} else {
rte_spinlock_unlock(&rte_eth_dev_cb_lock);
rte_eth_dev_callback_unregister(port_id, event,
cb_fn, cb_arg);
return -ENOMEM;
}
}
} while (++next_port <= last_port);
rte_spinlock_unlock(&rte_eth_dev_cb_lock);
return 0;
}
int
rte_eth_dev_callback_unregister(uint16_t port_id,
enum rte_eth_event_type event,
rte_eth_dev_cb_fn cb_fn, void *cb_arg)
{
int ret;
struct rte_eth_dev *dev;
struct rte_eth_dev_callback *cb, *next;
uint32_t next_port; /* size is 32-bit to prevent loop wrap-around */
uint16_t last_port;
if (!cb_fn)
return -EINVAL;
if (!rte_eth_dev_is_valid_port(port_id) && port_id != RTE_ETH_ALL) {
RTE_ETHDEV_LOG(ERR, "Invalid port_id=%d\n", port_id);
return -EINVAL;
}
if (port_id == RTE_ETH_ALL) {
next_port = 0;
last_port = RTE_MAX_ETHPORTS - 1;
} else {
next_port = last_port = port_id;
}
rte_spinlock_lock(&rte_eth_dev_cb_lock);
do {
dev = &rte_eth_devices[next_port];
ret = 0;
for (cb = TAILQ_FIRST(&dev->link_intr_cbs); cb != NULL;
cb = next) {
next = TAILQ_NEXT(cb, next);
if (cb->cb_fn != cb_fn || cb->event != event ||
(cb->cb_arg != (void *)-1 && cb->cb_arg != cb_arg))
continue;
/*
* if this callback is not executing right now,
* then remove it.
*/
if (cb->active == 0) {
TAILQ_REMOVE(&(dev->link_intr_cbs), cb, next);
rte_free(cb);
} else {
ret = -EAGAIN;
}
}
} while (++next_port <= last_port);
rte_spinlock_unlock(&rte_eth_dev_cb_lock);
return ret;
}
int
_rte_eth_dev_callback_process(struct rte_eth_dev *dev,
enum rte_eth_event_type event, void *ret_param)
{
struct rte_eth_dev_callback *cb_lst;
struct rte_eth_dev_callback dev_cb;
int rc = 0;
rte_spinlock_lock(&rte_eth_dev_cb_lock);
TAILQ_FOREACH(cb_lst, &(dev->link_intr_cbs), next) {
if (cb_lst->cb_fn == NULL || cb_lst->event != event)
continue;
dev_cb = *cb_lst;
cb_lst->active = 1;
if (ret_param != NULL)
dev_cb.ret_param = ret_param;
rte_spinlock_unlock(&rte_eth_dev_cb_lock);
rc = dev_cb.cb_fn(dev->data->port_id, dev_cb.event,
dev_cb.cb_arg, dev_cb.ret_param);
rte_spinlock_lock(&rte_eth_dev_cb_lock);
cb_lst->active = 0;
}
rte_spinlock_unlock(&rte_eth_dev_cb_lock);
return rc;
}
void
rte_eth_dev_probing_finish(struct rte_eth_dev *dev)
{
if (dev == NULL)
return;
_rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_NEW, NULL);
dev->state = RTE_ETH_DEV_ATTACHED;
}
int
rte_eth_dev_rx_intr_ctl(uint16_t port_id, int epfd, int op, void *data)
{
uint32_t vec;
struct rte_eth_dev *dev;
struct rte_intr_handle *intr_handle;
uint16_t qid;
int rc;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
dev = &rte_eth_devices[port_id];
if (!dev->intr_handle) {
RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
return -ENOTSUP;
}
intr_handle = dev->intr_handle;
if (!intr_handle->intr_vec) {
RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
return -EPERM;
}
for (qid = 0; qid < dev->data->nb_rx_queues; qid++) {
vec = intr_handle->intr_vec[qid];
rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
if (rc && rc != -EEXIST) {
RTE_ETHDEV_LOG(ERR,
"p %u q %u rx ctl error op %d epfd %d vec %u\n",
port_id, qid, op, epfd, vec);
}
}
return 0;
}
int __rte_experimental
rte_eth_dev_rx_intr_ctl_q_get_fd(uint16_t port_id, uint16_t queue_id)
{
struct rte_intr_handle *intr_handle;
struct rte_eth_dev *dev;
unsigned int efd_idx;
uint32_t vec;
int fd;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
dev = &rte_eth_devices[port_id];
if (queue_id >= dev->data->nb_rx_queues) {
RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
return -1;
}
if (!dev->intr_handle) {
RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
return -1;
}
intr_handle = dev->intr_handle;
if (!intr_handle->intr_vec) {
RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
return -1;
}
vec = intr_handle->intr_vec[queue_id];
efd_idx = (vec >= RTE_INTR_VEC_RXTX_OFFSET) ?
(vec - RTE_INTR_VEC_RXTX_OFFSET) : vec;
fd = intr_handle->efds[efd_idx];
return fd;
}
const struct rte_memzone *
rte_eth_dma_zone_reserve(const struct rte_eth_dev *dev, const char *ring_name,
uint16_t queue_id, size_t size, unsigned align,
int socket_id)
{
char z_name[RTE_MEMZONE_NAMESIZE];
const struct rte_memzone *mz;
int rc;
rc = snprintf(z_name, sizeof(z_name), "eth_p%d_q%d_%s",
dev->data->port_id, queue_id, ring_name);
if (rc >= RTE_MEMZONE_NAMESIZE) {
RTE_ETHDEV_LOG(ERR, "ring name too long\n");
rte_errno = ENAMETOOLONG;
return NULL;
}
mz = rte_memzone_lookup(z_name);
if (mz)
return mz;
return rte_memzone_reserve_aligned(z_name, size, socket_id,
RTE_MEMZONE_IOVA_CONTIG, align);
}
int __rte_experimental
rte_eth_dev_create(struct rte_device *device, const char *name,
size_t priv_data_size,
ethdev_bus_specific_init ethdev_bus_specific_init,
void *bus_init_params,
ethdev_init_t ethdev_init, void *init_params)
{
struct rte_eth_dev *ethdev;
int retval;
RTE_FUNC_PTR_OR_ERR_RET(*ethdev_init, -EINVAL);
if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
ethdev = rte_eth_dev_allocate(name);
if (!ethdev)
return -ENODEV;
if (priv_data_size) {
ethdev->data->dev_private = rte_zmalloc_socket(
name, priv_data_size, RTE_CACHE_LINE_SIZE,
device->numa_node);
if (!ethdev->data->dev_private) {
RTE_LOG(ERR, EAL, "failed to allocate private data");
retval = -ENOMEM;
goto probe_failed;
}
}
} else {
ethdev = rte_eth_dev_attach_secondary(name);
if (!ethdev) {
RTE_LOG(ERR, EAL, "secondary process attach failed, "
"ethdev doesn't exist");
return -ENODEV;
}
}
ethdev->device = device;
if (ethdev_bus_specific_init) {
retval = ethdev_bus_specific_init(ethdev, bus_init_params);
if (retval) {
RTE_LOG(ERR, EAL,
"ethdev bus specific initialisation failed");
goto probe_failed;
}
}
retval = ethdev_init(ethdev, init_params);
if (retval) {
RTE_LOG(ERR, EAL, "ethdev initialisation failed");
goto probe_failed;
}
rte_eth_dev_probing_finish(ethdev);
return retval;
probe_failed:
rte_eth_dev_release_port(ethdev);
return retval;
}
int __rte_experimental
rte_eth_dev_destroy(struct rte_eth_dev *ethdev,
ethdev_uninit_t ethdev_uninit)
{
int ret;
ethdev = rte_eth_dev_allocated(ethdev->data->name);
if (!ethdev)
return -ENODEV;
RTE_FUNC_PTR_OR_ERR_RET(*ethdev_uninit, -EINVAL);
ret = ethdev_uninit(ethdev);
if (ret)
return ret;
return rte_eth_dev_release_port(ethdev);
}
int
rte_eth_dev_rx_intr_ctl_q(uint16_t port_id, uint16_t queue_id,
int epfd, int op, void *data)
{
uint32_t vec;
struct rte_eth_dev *dev;
struct rte_intr_handle *intr_handle;
int rc;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
dev = &rte_eth_devices[port_id];
if (queue_id >= dev->data->nb_rx_queues) {
RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
return -EINVAL;
}
if (!dev->intr_handle) {
RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
return -ENOTSUP;
}
intr_handle = dev->intr_handle;
if (!intr_handle->intr_vec) {
RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
return -EPERM;
}
vec = intr_handle->intr_vec[queue_id];
rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
if (rc && rc != -EEXIST) {
RTE_ETHDEV_LOG(ERR,
"p %u q %u rx ctl error op %d epfd %d vec %u\n",
port_id, queue_id, op, epfd, vec);
return rc;
}
return 0;
}
int
rte_eth_dev_rx_intr_enable(uint16_t port_id,
uint16_t queue_id)
{
struct rte_eth_dev *dev;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
dev = &rte_eth_devices[port_id];
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_enable, -ENOTSUP);
return eth_err(port_id, (*dev->dev_ops->rx_queue_intr_enable)(dev,
queue_id));
}
int
rte_eth_dev_rx_intr_disable(uint16_t port_id,
uint16_t queue_id)
{
struct rte_eth_dev *dev;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
dev = &rte_eth_devices[port_id];
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_disable, -ENOTSUP);
return eth_err(port_id, (*dev->dev_ops->rx_queue_intr_disable)(dev,
queue_id));
}
int
rte_eth_dev_filter_supported(uint16_t port_id,
enum rte_filter_type filter_type)
{
struct rte_eth_dev *dev;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
dev = &rte_eth_devices[port_id];
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->filter_ctrl, -ENOTSUP);
return (*dev->dev_ops->filter_ctrl)(dev, filter_type,
RTE_ETH_FILTER_NOP, NULL);
}
int
rte_eth_dev_filter_ctrl(uint16_t port_id, enum rte_filter_type filter_type,
enum rte_filter_op filter_op, void *arg)
{
struct rte_eth_dev *dev;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
dev = &rte_eth_devices[port_id];
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->filter_ctrl, -ENOTSUP);
return eth_err(port_id, (*dev->dev_ops->filter_ctrl)(dev, filter_type,
filter_op, arg));
}
const struct rte_eth_rxtx_callback *
rte_eth_add_rx_callback(uint16_t port_id, uint16_t queue_id,
rte_rx_callback_fn fn, void *user_param)
{
#ifndef RTE_ETHDEV_RXTX_CALLBACKS
rte_errno = ENOTSUP;
return NULL;
#endif
/* check input parameters */
if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
rte_errno = EINVAL;
return NULL;
}
struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
if (cb == NULL) {
rte_errno = ENOMEM;
return NULL;
}
cb->fn.rx = fn;
cb->param = user_param;
rte_spinlock_lock(&rte_eth_rx_cb_lock);
/* Add the callbacks in fifo order. */
struct rte_eth_rxtx_callback *tail =
rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
if (!tail) {
rte_eth_devices[port_id].post_rx_burst_cbs[queue_id] = cb;
} else {
while (tail->next)
tail = tail->next;
tail->next = cb;
}
rte_spinlock_unlock(&rte_eth_rx_cb_lock);
return cb;
}
const struct rte_eth_rxtx_callback *
rte_eth_add_first_rx_callback(uint16_t port_id, uint16_t queue_id,
rte_rx_callback_fn fn, void *user_param)
{
#ifndef RTE_ETHDEV_RXTX_CALLBACKS
rte_errno = ENOTSUP;
return NULL;
#endif
/* check input parameters */
if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
rte_errno = EINVAL;
return NULL;
}
struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
if (cb == NULL) {
rte_errno = ENOMEM;
return NULL;
}
cb->fn.rx = fn;
cb->param = user_param;
rte_spinlock_lock(&rte_eth_rx_cb_lock);
/* Add the callbacks at fisrt position*/
cb->next = rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
rte_smp_wmb();
rte_eth_devices[port_id].post_rx_burst_cbs[queue_id] = cb;
rte_spinlock_unlock(&rte_eth_rx_cb_lock);
return cb;
}
const struct rte_eth_rxtx_callback *
rte_eth_add_tx_callback(uint16_t port_id, uint16_t queue_id,
rte_tx_callback_fn fn, void *user_param)
{
#ifndef RTE_ETHDEV_RXTX_CALLBACKS
rte_errno = ENOTSUP;
return NULL;
#endif
/* check input parameters */
if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
queue_id >= rte_eth_devices[port_id].data->nb_tx_queues) {
rte_errno = EINVAL;
return NULL;
}
struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
if (cb == NULL) {
rte_errno = ENOMEM;
return NULL;
}
cb->fn.tx = fn;
cb->param = user_param;
rte_spinlock_lock(&rte_eth_tx_cb_lock);
/* Add the callbacks in fifo order. */
struct rte_eth_rxtx_callback *tail =
rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id];
if (!tail) {
rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id] = cb;
} else {
while (tail->next)
tail = tail->next;
tail->next = cb;
}
rte_spinlock_unlock(&rte_eth_tx_cb_lock);
return cb;
}
int
rte_eth_remove_rx_callback(uint16_t port_id, uint16_t queue_id,
const struct rte_eth_rxtx_callback *user_cb)
{
#ifndef RTE_ETHDEV_RXTX_CALLBACKS
return -ENOTSUP;
#endif
/* Check input parameters. */
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
if (user_cb == NULL ||
queue_id >= rte_eth_devices[port_id].data->nb_rx_queues)
return -EINVAL;
struct rte_eth_dev *dev = &rte_eth_devices[port_id];
struct rte_eth_rxtx_callback *cb;
struct rte_eth_rxtx_callback **prev_cb;
int ret = -EINVAL;
rte_spinlock_lock(&rte_eth_rx_cb_lock);
prev_cb = &dev->post_rx_burst_cbs[queue_id];
for (; *prev_cb != NULL; prev_cb = &cb->next) {
cb = *prev_cb;
if (cb == user_cb) {
/* Remove the user cb from the callback list. */
*prev_cb = cb->next;
ret = 0;
break;
}
}
rte_spinlock_unlock(&rte_eth_rx_cb_lock);
return ret;
}
int
rte_eth_remove_tx_callback(uint16_t port_id, uint16_t queue_id,
const struct rte_eth_rxtx_callback *user_cb)
{
#ifndef RTE_ETHDEV_RXTX_CALLBACKS
return -ENOTSUP;
#endif
/* Check input parameters. */
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
if (user_cb == NULL ||
queue_id >= rte_eth_devices[port_id].data->nb_tx_queues)
return -EINVAL;
struct rte_eth_dev *dev = &rte_eth_devices[port_id];
int ret = -EINVAL;
struct rte_eth_rxtx_callback *cb;
struct rte_eth_rxtx_callback **prev_cb;
rte_spinlock_lock(&rte_eth_tx_cb_lock);
prev_cb = &dev->pre_tx_burst_cbs[queue_id];
for (; *prev_cb != NULL; prev_cb = &cb->next) {
cb = *prev_cb;
if (cb == user_cb) {
/* Remove the user cb from the callback list. */
*prev_cb = cb->next;
ret = 0;
break;
}
}
rte_spinlock_unlock(&rte_eth_tx_cb_lock);
return ret;
}
int
rte_eth_rx_queue_info_get(uint16_t port_id, uint16_t queue_id,
struct rte_eth_rxq_info *qinfo)
{
struct rte_eth_dev *dev;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
if (qinfo == NULL)
return -EINVAL;
dev = &rte_eth_devices[port_id];
if (queue_id >= dev->data->nb_rx_queues) {
RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
return -EINVAL;
}
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rxq_info_get, -ENOTSUP);
memset(qinfo, 0, sizeof(*qinfo));
dev->dev_ops->rxq_info_get(dev, queue_id, qinfo);
return 0;
}
int
rte_eth_tx_queue_info_get(uint16_t port_id, uint16_t queue_id,
struct rte_eth_txq_info *qinfo)
{
struct rte_eth_dev *dev;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
if (qinfo == NULL)
return -EINVAL;
dev = &rte_eth_devices[port_id];
if (queue_id >= dev->data->nb_tx_queues) {
RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", queue_id);
return -EINVAL;
}
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->txq_info_get, -ENOTSUP);
memset(qinfo, 0, sizeof(*qinfo));
dev->dev_ops->txq_info_get(dev, queue_id, qinfo);
return 0;
}
int
rte_eth_dev_set_mc_addr_list(uint16_t port_id,
struct ether_addr *mc_addr_set,
uint32_t nb_mc_addr)
{
struct rte_eth_dev *dev;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
dev = &rte_eth_devices[port_id];
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_mc_addr_list, -ENOTSUP);
return eth_err(port_id, dev->dev_ops->set_mc_addr_list(dev,
mc_addr_set, nb_mc_addr));
}
int
rte_eth_timesync_enable(uint16_t port_id)
{
struct rte_eth_dev *dev;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
dev = &rte_eth_devices[port_id];
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_enable, -ENOTSUP);
return eth_err(port_id, (*dev->dev_ops->timesync_enable)(dev));
}
int
rte_eth_timesync_disable(uint16_t port_id)
{
struct rte_eth_dev *dev;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
dev = &rte_eth_devices[port_id];
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_disable, -ENOTSUP);
return eth_err(port_id, (*dev->dev_ops->timesync_disable)(dev));
}
int
rte_eth_timesync_read_rx_timestamp(uint16_t port_id, struct timespec *timestamp,
uint32_t flags)
{
struct rte_eth_dev *dev;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
dev = &rte_eth_devices[port_id];
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_rx_timestamp, -ENOTSUP);
return eth_err(port_id, (*dev->dev_ops->timesync_read_rx_timestamp)
(dev, timestamp, flags));
}
int
rte_eth_timesync_read_tx_timestamp(uint16_t port_id,
struct timespec *timestamp)
{
struct rte_eth_dev *dev;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
dev = &rte_eth_devices[port_id];
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_tx_timestamp, -ENOTSUP);
return eth_err(port_id, (*dev->dev_ops->timesync_read_tx_timestamp)
(dev, timestamp));
}
int
rte_eth_timesync_adjust_time(uint16_t port_id, int64_t delta)
{
struct rte_eth_dev *dev;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
dev = &rte_eth_devices[port_id];
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_adjust_time, -ENOTSUP);
return eth_err(port_id, (*dev->dev_ops->timesync_adjust_time)(dev,
delta));
}
int
rte_eth_timesync_read_time(uint16_t port_id, struct timespec *timestamp)
{
struct rte_eth_dev *dev;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
dev = &rte_eth_devices[port_id];
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_time, -ENOTSUP);
return eth_err(port_id, (*dev->dev_ops->timesync_read_time)(dev,
timestamp));
}
int
rte_eth_timesync_write_time(uint16_t port_id, const struct timespec *timestamp)
{
struct rte_eth_dev *dev;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
dev = &rte_eth_devices[port_id];
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_write_time, -ENOTSUP);
return eth_err(port_id, (*dev->dev_ops->timesync_write_time)(dev,
timestamp));
}
int
rte_eth_dev_get_reg_info(uint16_t port_id, struct rte_dev_reg_info *info)
{
struct rte_eth_dev *dev;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
dev = &rte_eth_devices[port_id];
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_reg, -ENOTSUP);
return eth_err(port_id, (*dev->dev_ops->get_reg)(dev, info));
}
int
rte_eth_dev_get_eeprom_length(uint16_t port_id)
{
struct rte_eth_dev *dev;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
dev = &rte_eth_devices[port_id];
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom_length, -ENOTSUP);
return eth_err(port_id, (*dev->dev_ops->get_eeprom_length)(dev));
}
int
rte_eth_dev_get_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
{
struct rte_eth_dev *dev;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
dev = &rte_eth_devices[port_id];
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom, -ENOTSUP);
return eth_err(port_id, (*dev->dev_ops->get_eeprom)(dev, info));
}
int
rte_eth_dev_set_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
{
struct rte_eth_dev *dev;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
dev = &rte_eth_devices[port_id];
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_eeprom, -ENOTSUP);
return eth_err(port_id, (*dev->dev_ops->set_eeprom)(dev, info));
}
int __rte_experimental
rte_eth_dev_get_module_info(uint16_t port_id,
struct rte_eth_dev_module_info *modinfo)
{
struct rte_eth_dev *dev;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
dev = &rte_eth_devices[port_id];
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_module_info, -ENOTSUP);
return (*dev->dev_ops->get_module_info)(dev, modinfo);
}
int __rte_experimental
rte_eth_dev_get_module_eeprom(uint16_t port_id,
struct rte_dev_eeprom_info *info)
{
struct rte_eth_dev *dev;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
dev = &rte_eth_devices[port_id];
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_module_eeprom, -ENOTSUP);
return (*dev->dev_ops->get_module_eeprom)(dev, info);
}
int
rte_eth_dev_get_dcb_info(uint16_t port_id,
struct rte_eth_dcb_info *dcb_info)
{
struct rte_eth_dev *dev;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
dev = &rte_eth_devices[port_id];
memset(dcb_info, 0, sizeof(struct rte_eth_dcb_info));
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_dcb_info, -ENOTSUP);
return eth_err(port_id, (*dev->dev_ops->get_dcb_info)(dev, dcb_info));
}
int
rte_eth_dev_l2_tunnel_eth_type_conf(uint16_t port_id,
struct rte_eth_l2_tunnel_conf *l2_tunnel)
{
struct rte_eth_dev *dev;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
if (l2_tunnel == NULL) {
RTE_ETHDEV_LOG(ERR, "Invalid l2_tunnel parameter\n");
return -EINVAL;
}
if (l2_tunnel->l2_tunnel_type >= RTE_TUNNEL_TYPE_MAX) {
RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
return -EINVAL;
}
dev = &rte_eth_devices[port_id];
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->l2_tunnel_eth_type_conf,
-ENOTSUP);
return eth_err(port_id, (*dev->dev_ops->l2_tunnel_eth_type_conf)(dev,
l2_tunnel));
}
int
rte_eth_dev_l2_tunnel_offload_set(uint16_t port_id,
struct rte_eth_l2_tunnel_conf *l2_tunnel,
uint32_t mask,
uint8_t en)
{
struct rte_eth_dev *dev;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
if (l2_tunnel == NULL) {
RTE_ETHDEV_LOG(ERR, "Invalid l2_tunnel parameter\n");
return -EINVAL;
}
if (l2_tunnel->l2_tunnel_type >= RTE_TUNNEL_TYPE_MAX) {
RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
return -EINVAL;
}
if (mask == 0) {
RTE_ETHDEV_LOG(ERR, "Mask should have a value\n");
return -EINVAL;
}
dev = &rte_eth_devices[port_id];
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->l2_tunnel_offload_set,
-ENOTSUP);
return eth_err(port_id, (*dev->dev_ops->l2_tunnel_offload_set)(dev,
l2_tunnel, mask, en));
}
static void
rte_eth_dev_adjust_nb_desc(uint16_t *nb_desc,
const struct rte_eth_desc_lim *desc_lim)
{
if (desc_lim->nb_align != 0)
*nb_desc = RTE_ALIGN_CEIL(*nb_desc, desc_lim->nb_align);
if (desc_lim->nb_max != 0)
*nb_desc = RTE_MIN(*nb_desc, desc_lim->nb_max);
*nb_desc = RTE_MAX(*nb_desc, desc_lim->nb_min);
}
int
rte_eth_dev_adjust_nb_rx_tx_desc(uint16_t port_id,
uint16_t *nb_rx_desc,
uint16_t *nb_tx_desc)
{
struct rte_eth_dev *dev;
struct rte_eth_dev_info dev_info;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
dev = &rte_eth_devices[port_id];
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
rte_eth_dev_info_get(port_id, &dev_info);
if (nb_rx_desc != NULL)
rte_eth_dev_adjust_nb_desc(nb_rx_desc, &dev_info.rx_desc_lim);
if (nb_tx_desc != NULL)
rte_eth_dev_adjust_nb_desc(nb_tx_desc, &dev_info.tx_desc_lim);
return 0;
}
int
rte_eth_dev_pool_ops_supported(uint16_t port_id, const char *pool)
{
struct rte_eth_dev *dev;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
if (pool == NULL)
return -EINVAL;
dev = &rte_eth_devices[port_id];
if (*dev->dev_ops->pool_ops_supported == NULL)
return 1; /* all pools are supported */
return (*dev->dev_ops->pool_ops_supported)(dev, pool);
}
/**
* A set of values to describe the possible states of a switch domain.
*/
enum rte_eth_switch_domain_state {
RTE_ETH_SWITCH_DOMAIN_UNUSED = 0,
RTE_ETH_SWITCH_DOMAIN_ALLOCATED
};
/**
* Array of switch domains available for allocation. Array is sized to
* RTE_MAX_ETHPORTS elements as there cannot be more active switch domains than
* ethdev ports in a single process.
*/
static struct rte_eth_dev_switch {
enum rte_eth_switch_domain_state state;
} rte_eth_switch_domains[RTE_MAX_ETHPORTS];
int __rte_experimental
rte_eth_switch_domain_alloc(uint16_t *domain_id)
{
unsigned int i;
*domain_id = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID;
for (i = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID + 1;
i < RTE_MAX_ETHPORTS; i++) {
if (rte_eth_switch_domains[i].state ==
RTE_ETH_SWITCH_DOMAIN_UNUSED) {
rte_eth_switch_domains[i].state =
RTE_ETH_SWITCH_DOMAIN_ALLOCATED;
*domain_id = i;
return 0;
}
}
return -ENOSPC;
}
int __rte_experimental
rte_eth_switch_domain_free(uint16_t domain_id)
{
if (domain_id == RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID ||
domain_id >= RTE_MAX_ETHPORTS)
return -EINVAL;
if (rte_eth_switch_domains[domain_id].state !=
RTE_ETH_SWITCH_DOMAIN_ALLOCATED)
return -EINVAL;
rte_eth_switch_domains[domain_id].state = RTE_ETH_SWITCH_DOMAIN_UNUSED;
return 0;
}
static int
rte_eth_devargs_tokenise(struct rte_kvargs *arglist, const char *str_in)
{
int state;
struct rte_kvargs_pair *pair;
char *letter;
arglist->str = strdup(str_in);
if (arglist->str == NULL)
return -ENOMEM;
letter = arglist->str;
state = 0;
arglist->count = 0;
pair = &arglist->pairs[0];
while (1) {
switch (state) {
case 0: /* Initial */
if (*letter == '=')
return -EINVAL;
else if (*letter == '\0')
return 0;
state = 1;
pair->key = letter;
/* fall-thru */
case 1: /* Parsing key */
if (*letter == '=') {
*letter = '\0';
pair->value = letter + 1;
state = 2;
} else if (*letter == ',' || *letter == '\0')
return -EINVAL;
break;
case 2: /* Parsing value */
if (*letter == '[')
state = 3;
else if (*letter == ',') {
*letter = '\0';
arglist->count++;
pair = &arglist->pairs[arglist->count];
state = 0;
} else if (*letter == '\0') {
letter--;
arglist->count++;
pair = &arglist->pairs[arglist->count];
state = 0;
}
break;
case 3: /* Parsing list */
if (*letter == ']')
state = 2;
else if (*letter == '\0')
return -EINVAL;
break;
}
letter++;
}
}
int __rte_experimental
rte_eth_devargs_parse(const char *dargs, struct rte_eth_devargs *eth_da)
{
struct rte_kvargs args;
struct rte_kvargs_pair *pair;
unsigned int i;
int result = 0;
memset(eth_da, 0, sizeof(*eth_da));
result = rte_eth_devargs_tokenise(&args, dargs);
if (result < 0)
goto parse_cleanup;
for (i = 0; i < args.count; i++) {
pair = &args.pairs[i];
if (strcmp("representor", pair->key) == 0) {
result = rte_eth_devargs_parse_list(pair->value,
rte_eth_devargs_parse_representor_ports,
eth_da);
if (result < 0)
goto parse_cleanup;
}
}
parse_cleanup:
if (args.str)
free(args.str);
return result;
}
RTE_INIT(ethdev_init_log)
{
rte_eth_dev_logtype = rte_log_register("lib.ethdev");
if (rte_eth_dev_logtype >= 0)
rte_log_set_level(rte_eth_dev_logtype, RTE_LOG_INFO);
}
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