diff options
Diffstat (limited to 'lib/librte_ethdev/rte_ethdev.c')
| -rw-r--r-- | lib/librte_ethdev/rte_ethdev.c | 4425 |
1 files changed, 4425 insertions, 0 deletions
diff --git a/lib/librte_ethdev/rte_ethdev.c b/lib/librte_ethdev/rte_ethdev.c new file mode 100644 index 00000000..4c320250 --- /dev/null +++ b/lib/librte_ethdev/rte_ethdev.c @@ -0,0 +1,4425 @@ +/* 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_ether.h" +#include "rte_ethdev.h" +#include "rte_ethdev_driver.h" +#include "ethdev_profile.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]; +static uint16_t eth_dev_last_created_port; + +/* 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(CRC_STRIP), + RTE_RX_OFFLOAD_BIT2STR(SCATTER), + RTE_RX_OFFLOAD_BIT2STR(TIMESTAMP), + RTE_RX_OFFLOAD_BIT2STR(SECURITY), + RTE_RX_OFFLOAD_BIT2STR(KEEP_CRC), +}; + +#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), +}; + +#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 +}; + +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]; + + eth_dev_last_created_port = 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(); + + _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; + + 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) { + RTE_ETHDEV_LOG(ERR, "Invalid owner_id=%016"PRIx64"\n", + 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; + int sret; + + 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)) + 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; + } + + sret = snprintf(port_owner->name, RTE_ETH_MAX_OWNER_NAME_LEN, "%s", + new_owner->name); + if (sret < 0 || sret >= RTE_ETH_MAX_OWNER_NAME_LEN) + RTE_ETHDEV_LOG(ERR, "Port %u owner name was truncated\n", + port_id); + + 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(ERR, + "All port owners owned by %016"PRIx64" identifier have removed\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, ðdev->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; +} + +/* attach the new device, then store port_id of the device */ +int +rte_eth_dev_attach(const char *devargs, uint16_t *port_id) +{ + int current = rte_eth_dev_count_total(); + struct rte_devargs da; + int ret = -1; + + memset(&da, 0, sizeof(da)); + + if ((devargs == NULL) || (port_id == NULL)) { + ret = -EINVAL; + goto err; + } + + /* parse devargs */ + if (rte_devargs_parse(&da, devargs)) + goto err; + + ret = rte_eal_hotplug_add(da.bus->name, da.name, da.args); + if (ret < 0) + goto err; + + /* no point looking at the port count if no port exists */ + if (!rte_eth_dev_count_total()) { + RTE_ETHDEV_LOG(ERR, "No port found for device (%s)\n", da.name); + ret = -1; + goto err; + } + + /* if nothing happened, there is a bug here, since some driver told us + * it did attach a device, but did not create a port. + * FIXME: race condition in case of plug-out of another device + */ + if (current == rte_eth_dev_count_total()) { + ret = -1; + goto err; + } + + *port_id = eth_dev_last_created_port; + ret = 0; + +err: + free(da.args); + return ret; +} + +/* detach the device, then store the name of the device */ +int +rte_eth_dev_detach(uint16_t port_id, char *name __rte_unused) +{ + struct rte_device *dev; + struct rte_bus *bus; + uint32_t dev_flags; + int ret = -1; + + RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL); + + dev_flags = rte_eth_devices[port_id].data->dev_flags; + if (dev_flags & RTE_ETH_DEV_BONDED_SLAVE) { + RTE_ETHDEV_LOG(ERR, + "Port %"PRIu16" is bonded, cannot detach\n", port_id); + return -ENOTSUP; + } + + dev = rte_eth_devices[port_id].device; + if (dev == NULL) + return -EINVAL; + + bus = rte_bus_find_by_device(dev); + if (bus == NULL) + return -ENOENT; + + ret = rte_eal_hotplug_remove(bus->name, dev->name); + if (ret < 0) + return ret; + + rte_eth_dev_release_port(&rte_eth_devices[port_id]); + return 0; +} + +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_experimental +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_experimental +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 local_conf = *dev_conf; + 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_infos_get, -ENOTSUP); + RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_configure, -ENOTSUP); + + 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); + return -EINVAL; + } + + 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); + return -EINVAL; + } + + if (dev->data->dev_started) { + RTE_ETHDEV_LOG(ERR, + "Port %u must be stopped to allow configuration\n", + port_id); + return -EBUSY; + } + + /* Copy the dev_conf parameter into the dev structure */ + memcpy(&dev->data->dev_conf, &local_conf, sizeof(dev->data->dev_conf)); + + /* + * 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); + return -EINVAL; + } + + 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); + return -EINVAL; + } + + /* 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); + return -EINVAL; + } + 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); + return -EINVAL; + } + + /* + * If jumbo frames are enabled, check that the maximum RX packet + * length is supported by the configured device. + */ + if (local_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); + return -EINVAL; + } 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); + return -EINVAL; + } + } 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 ((local_conf.rxmode.offloads & dev_info.rx_offload_capa) != + local_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, local_conf.rxmode.offloads, + dev_info.rx_offload_capa, + __func__); + return -EINVAL; + } + if ((local_conf.txmode.offloads & dev_info.tx_offload_capa) != + local_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, local_conf.txmode.offloads, + dev_info.tx_offload_capa, + __func__); + return -EINVAL; + } + + if ((local_conf.rxmode.offloads & DEV_RX_OFFLOAD_CRC_STRIP) && + (local_conf.rxmode.offloads & DEV_RX_OFFLOAD_KEEP_CRC)) { + RTE_ETHDEV_LOG(ERR, + "Port id=%u not allowed to set both CRC STRIP and KEEP CRC offload flags\n", + port_id); + return -EINVAL; + } + + /* 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); + return -EINVAL; + } + + /* + * 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); + return diag; + } + + 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); + return diag; + } + + 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); + return eth_err(port_id, diag); + } + + /* Initialize Rx profiling if enabled at compilation time. */ + diag = __rte_eth_profile_rx_init(port_id, dev); + if (diag != 0) { + RTE_ETHDEV_LOG(ERR, "Port%u __rte_eth_profile_rx_init = %d\n", + port_id, diag); + rte_eth_dev_rx_queue_config(dev, 0); + rte_eth_dev_tx_queue_config(dev, 0); + return eth_err(port_id, diag); + } + + return 0; +} + +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_config_restore(uint16_t port_id) +{ + 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; + + dev = &rte_eth_devices[port_id]; + + rte_eth_dev_info_get(port_id, &dev_info); + + /* 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); + } + } + + /* 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; + 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; + } + + 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(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); + + 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, ð_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(ð_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(ð_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(ð_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; +} + +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; + + snprintf(z_name, sizeof(z_name), "%s_%s_%d_%d", + dev->device->driver->name, ring_name, + dev->data->port_id, queue_id); + + mz = rte_memzone_lookup(z_name); + if (mz) + return mz; + + return rte_memzone_reserve_aligned(z_name, 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) { + retval = -ENODEV; + goto probe_failed; + } + + 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"); + retval = -ENODEV; + goto probe_failed; + } + } + + 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: + /* free ports private data if primary process */ + if (rte_eal_process_type() == RTE_PROC_PRIMARY) + rte_free(ethdev->data->dev_private); + + 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); + if (ethdev_uninit) { + ret = ethdev_uninit(ethdev); + if (ret) + return ret; + } + + if (rte_eal_process_type() == RTE_PROC_PRIMARY) + rte_free(ethdev->data->dev_private); + + ethdev->data->dev_private = NULL; + + 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. + */ +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; +} + +typedef int (*rte_eth_devargs_callback_t)(char *str, void *data); + +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++; + } +} + +static int +rte_eth_devargs_parse_list(char *str, rte_eth_devargs_callback_t callback, + void *data) +{ + char *str_start; + int state; + int result; + + if (*str != '[') + /* Single element, not a list */ + return callback(str, data); + + /* Sanity check, then strip the brackets */ + str_start = &str[strlen(str) - 1]; + if (*str_start != ']') { + RTE_LOG(ERR, EAL, "(%s): List does not end with ']'", str); + return -EINVAL; + } + str++; + *str_start = '\0'; + + /* Process list elements */ + state = 0; + while (1) { + if (state == 0) { + if (*str == '\0') + break; + if (*str != ',') { + str_start = str; + state = 1; + } + } else if (state == 1) { + if (*str == ',' || *str == '\0') { + if (str > str_start) { + /* Non-empty string fragment */ + *str = '\0'; + result = callback(str_start, data); + if (result < 0) + return result; + } + state = 0; + } + } + str++; + } + return 0; +} + +static int +rte_eth_devargs_process_range(char *str, uint16_t *list, uint16_t *len_list, + const uint16_t max_list) +{ + uint16_t lo, hi, val; + int result; + + result = sscanf(str, "%hu-%hu", &lo, &hi); + if (result == 1) { + if (*len_list >= max_list) + return -ENOMEM; + list[(*len_list)++] = lo; + } else if (result == 2) { + if (lo >= hi || lo > RTE_MAX_ETHPORTS || hi > RTE_MAX_ETHPORTS) + return -EINVAL; + for (val = lo; val <= hi; val++) { + if (*len_list >= max_list) + return -ENOMEM; + list[(*len_list)++] = val; + } + } else + return -EINVAL; + return 0; +} + + +static int +rte_eth_devargs_parse_representor_ports(char *str, void *data) +{ + struct rte_eth_devargs *eth_da = data; + + return rte_eth_devargs_process_range(str, eth_da->representor_ports, + ð_da->nb_representor_ports, RTE_MAX_ETHPORTS); +} + +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); +} |