diff options
Diffstat (limited to 'lib/librte_eventdev/rte_event_eth_tx_adapter.c')
| -rw-r--r-- | lib/librte_eventdev/rte_event_eth_tx_adapter.c | 1138 |
1 files changed, 1138 insertions, 0 deletions
diff --git a/lib/librte_eventdev/rte_event_eth_tx_adapter.c b/lib/librte_eventdev/rte_event_eth_tx_adapter.c new file mode 100644 index 00000000..3a21defb --- /dev/null +++ b/lib/librte_eventdev/rte_event_eth_tx_adapter.c @@ -0,0 +1,1138 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2018 Intel Corporation. + */ +#include <rte_spinlock.h> +#include <rte_service_component.h> +#include <rte_ethdev.h> + +#include "rte_eventdev_pmd.h" +#include "rte_event_eth_tx_adapter.h" + +#define TXA_BATCH_SIZE 32 +#define TXA_SERVICE_NAME_LEN 32 +#define TXA_MEM_NAME_LEN 32 +#define TXA_FLUSH_THRESHOLD 1024 +#define TXA_RETRY_CNT 100 +#define TXA_MAX_NB_TX 128 +#define TXA_INVALID_DEV_ID INT32_C(-1) +#define TXA_INVALID_SERVICE_ID INT64_C(-1) + +#define txa_evdev(id) (&rte_eventdevs[txa_dev_id_array[(id)]]) + +#define txa_dev_caps_get(id) txa_evdev((id))->dev_ops->eth_tx_adapter_caps_get + +#define txa_dev_adapter_create(t) txa_evdev(t)->dev_ops->eth_tx_adapter_create + +#define txa_dev_adapter_create_ext(t) \ + txa_evdev(t)->dev_ops->eth_tx_adapter_create + +#define txa_dev_adapter_free(t) txa_evdev(t)->dev_ops->eth_tx_adapter_free + +#define txa_dev_queue_add(id) txa_evdev(id)->dev_ops->eth_tx_adapter_queue_add + +#define txa_dev_queue_del(t) txa_evdev(t)->dev_ops->eth_tx_adapter_queue_del + +#define txa_dev_start(t) txa_evdev(t)->dev_ops->eth_tx_adapter_start + +#define txa_dev_stop(t) txa_evdev(t)->dev_ops->eth_tx_adapter_stop + +#define txa_dev_stats_reset(t) txa_evdev(t)->dev_ops->eth_tx_adapter_stats_reset + +#define txa_dev_stats_get(t) txa_evdev(t)->dev_ops->eth_tx_adapter_stats_get + +#define RTE_EVENT_ETH_TX_ADAPTER_ID_VALID_OR_ERR_RET(id, retval) \ +do { \ + if (!txa_valid_id(id)) { \ + RTE_EDEV_LOG_ERR("Invalid eth Rx adapter id = %d", id); \ + return retval; \ + } \ +} while (0) + +#define TXA_CHECK_OR_ERR_RET(id) \ +do {\ + int ret; \ + RTE_EVENT_ETH_TX_ADAPTER_ID_VALID_OR_ERR_RET((id), -EINVAL); \ + ret = txa_init(); \ + if (ret != 0) \ + return ret; \ + if (!txa_adapter_exist((id))) \ + return -EINVAL; \ +} while (0) + +/* Tx retry callback structure */ +struct txa_retry { + /* Ethernet port id */ + uint16_t port_id; + /* Tx queue */ + uint16_t tx_queue; + /* Adapter ID */ + uint8_t id; +}; + +/* Per queue structure */ +struct txa_service_queue_info { + /* Queue has been added */ + uint8_t added; + /* Retry callback argument */ + struct txa_retry txa_retry; + /* Tx buffer */ + struct rte_eth_dev_tx_buffer *tx_buf; +}; + +/* PMD private structure */ +struct txa_service_data { + /* Max mbufs processed in any service function invocation */ + uint32_t max_nb_tx; + /* Number of Tx queues in adapter */ + uint32_t nb_queues; + /* Synchronization with data path */ + rte_spinlock_t tx_lock; + /* Event port ID */ + uint8_t port_id; + /* Event device identifier */ + uint8_t eventdev_id; + /* Highest port id supported + 1 */ + uint16_t dev_count; + /* Loop count to flush Tx buffers */ + int loop_cnt; + /* Per ethernet device structure */ + struct txa_service_ethdev *txa_ethdev; + /* Statistics */ + struct rte_event_eth_tx_adapter_stats stats; + /* Adapter Identifier */ + uint8_t id; + /* Conf arg must be freed */ + uint8_t conf_free; + /* Configuration callback */ + rte_event_eth_tx_adapter_conf_cb conf_cb; + /* Configuration callback argument */ + void *conf_arg; + /* socket id */ + int socket_id; + /* Per adapter EAL service */ + int64_t service_id; + /* Memory allocation name */ + char mem_name[TXA_MEM_NAME_LEN]; +} __rte_cache_aligned; + +/* Per eth device structure */ +struct txa_service_ethdev { + /* Pointer to ethernet device */ + struct rte_eth_dev *dev; + /* Number of queues added */ + uint16_t nb_queues; + /* PMD specific queue data */ + void *queues; +}; + +/* Array of adapter instances, initialized with event device id + * when adapter is created + */ +static int *txa_dev_id_array; + +/* Array of pointers to service implementation data */ +static struct txa_service_data **txa_service_data_array; + +static int32_t txa_service_func(void *args); +static int txa_service_adapter_create_ext(uint8_t id, + struct rte_eventdev *dev, + rte_event_eth_tx_adapter_conf_cb conf_cb, + void *conf_arg); +static int txa_service_queue_del(uint8_t id, + const struct rte_eth_dev *dev, + int32_t tx_queue_id); + +static int +txa_adapter_exist(uint8_t id) +{ + return txa_dev_id_array[id] != TXA_INVALID_DEV_ID; +} + +static inline int +txa_valid_id(uint8_t id) +{ + return id < RTE_EVENT_ETH_TX_ADAPTER_MAX_INSTANCE; +} + +static void * +txa_memzone_array_get(const char *name, unsigned int elt_size, int nb_elems) +{ + const struct rte_memzone *mz; + unsigned int sz; + + sz = elt_size * nb_elems; + sz = RTE_ALIGN(sz, RTE_CACHE_LINE_SIZE); + + mz = rte_memzone_lookup(name); + if (mz == NULL) { + mz = rte_memzone_reserve_aligned(name, sz, rte_socket_id(), 0, + RTE_CACHE_LINE_SIZE); + if (mz == NULL) { + RTE_EDEV_LOG_ERR("failed to reserve memzone" + " name = %s err = %" + PRId32, name, rte_errno); + return NULL; + } + } + + return mz->addr; +} + +static int +txa_dev_id_array_init(void) +{ + if (txa_dev_id_array == NULL) { + int i; + + txa_dev_id_array = txa_memzone_array_get("txa_adapter_array", + sizeof(int), + RTE_EVENT_ETH_TX_ADAPTER_MAX_INSTANCE); + if (txa_dev_id_array == NULL) + return -ENOMEM; + + for (i = 0; i < RTE_EVENT_ETH_TX_ADAPTER_MAX_INSTANCE; i++) + txa_dev_id_array[i] = TXA_INVALID_DEV_ID; + } + + return 0; +} + +static int +txa_init(void) +{ + return txa_dev_id_array_init(); +} + +static int +txa_service_data_init(void) +{ + if (txa_service_data_array == NULL) { + txa_service_data_array = + txa_memzone_array_get("txa_service_data_array", + sizeof(int), + RTE_EVENT_ETH_TX_ADAPTER_MAX_INSTANCE); + if (txa_service_data_array == NULL) + return -ENOMEM; + } + + return 0; +} + +static inline struct txa_service_data * +txa_service_id_to_data(uint8_t id) +{ + return txa_service_data_array[id]; +} + +static inline struct txa_service_queue_info * +txa_service_queue(struct txa_service_data *txa, uint16_t port_id, + uint16_t tx_queue_id) +{ + struct txa_service_queue_info *tqi; + + if (unlikely(txa->txa_ethdev == NULL || txa->dev_count < port_id + 1)) + return NULL; + + tqi = txa->txa_ethdev[port_id].queues; + + return likely(tqi != NULL) ? tqi + tx_queue_id : NULL; +} + +static int +txa_service_conf_cb(uint8_t __rte_unused id, uint8_t dev_id, + struct rte_event_eth_tx_adapter_conf *conf, void *arg) +{ + int ret; + struct rte_eventdev *dev; + struct rte_event_port_conf *pc; + struct rte_event_dev_config dev_conf; + int started; + uint8_t port_id; + + pc = arg; + dev = &rte_eventdevs[dev_id]; + dev_conf = dev->data->dev_conf; + + started = dev->data->dev_started; + if (started) + rte_event_dev_stop(dev_id); + + port_id = dev_conf.nb_event_ports; + dev_conf.nb_event_ports += 1; + + ret = rte_event_dev_configure(dev_id, &dev_conf); + if (ret) { + RTE_EDEV_LOG_ERR("failed to configure event dev %u", + dev_id); + if (started) { + if (rte_event_dev_start(dev_id)) + return -EIO; + } + return ret; + } + + pc->disable_implicit_release = 0; + ret = rte_event_port_setup(dev_id, port_id, pc); + if (ret) { + RTE_EDEV_LOG_ERR("failed to setup event port %u\n", + port_id); + if (started) { + if (rte_event_dev_start(dev_id)) + return -EIO; + } + return ret; + } + + conf->event_port_id = port_id; + conf->max_nb_tx = TXA_MAX_NB_TX; + if (started) + ret = rte_event_dev_start(dev_id); + return ret; +} + +static int +txa_service_ethdev_alloc(struct txa_service_data *txa) +{ + struct txa_service_ethdev *txa_ethdev; + uint16_t i, dev_count; + + dev_count = rte_eth_dev_count_avail(); + if (txa->txa_ethdev && dev_count == txa->dev_count) + return 0; + + txa_ethdev = rte_zmalloc_socket(txa->mem_name, + dev_count * sizeof(*txa_ethdev), + 0, + txa->socket_id); + if (txa_ethdev == NULL) { + RTE_EDEV_LOG_ERR("Failed to alloc txa::txa_ethdev "); + return -ENOMEM; + } + + if (txa->dev_count) + memcpy(txa_ethdev, txa->txa_ethdev, + txa->dev_count * sizeof(*txa_ethdev)); + + RTE_ETH_FOREACH_DEV(i) { + if (i == dev_count) + break; + txa_ethdev[i].dev = &rte_eth_devices[i]; + } + + txa->txa_ethdev = txa_ethdev; + txa->dev_count = dev_count; + return 0; +} + +static int +txa_service_queue_array_alloc(struct txa_service_data *txa, + uint16_t port_id) +{ + struct txa_service_queue_info *tqi; + uint16_t nb_queue; + int ret; + + ret = txa_service_ethdev_alloc(txa); + if (ret != 0) + return ret; + + if (txa->txa_ethdev[port_id].queues) + return 0; + + nb_queue = txa->txa_ethdev[port_id].dev->data->nb_tx_queues; + tqi = rte_zmalloc_socket(txa->mem_name, + nb_queue * + sizeof(struct txa_service_queue_info), 0, + txa->socket_id); + if (tqi == NULL) + return -ENOMEM; + txa->txa_ethdev[port_id].queues = tqi; + return 0; +} + +static void +txa_service_queue_array_free(struct txa_service_data *txa, + uint16_t port_id) +{ + struct txa_service_ethdev *txa_ethdev; + struct txa_service_queue_info *tqi; + + txa_ethdev = &txa->txa_ethdev[port_id]; + if (txa->txa_ethdev == NULL || txa_ethdev->nb_queues != 0) + return; + + tqi = txa_ethdev->queues; + txa_ethdev->queues = NULL; + rte_free(tqi); + + if (txa->nb_queues == 0) { + rte_free(txa->txa_ethdev); + txa->txa_ethdev = NULL; + } +} + +static void +txa_service_unregister(struct txa_service_data *txa) +{ + if (txa->service_id != TXA_INVALID_SERVICE_ID) { + rte_service_component_runstate_set(txa->service_id, 0); + while (rte_service_may_be_active(txa->service_id)) + rte_pause(); + rte_service_component_unregister(txa->service_id); + } + txa->service_id = TXA_INVALID_SERVICE_ID; +} + +static int +txa_service_register(struct txa_service_data *txa) +{ + int ret; + struct rte_service_spec service; + struct rte_event_eth_tx_adapter_conf conf; + + if (txa->service_id != TXA_INVALID_SERVICE_ID) + return 0; + + memset(&service, 0, sizeof(service)); + snprintf(service.name, TXA_SERVICE_NAME_LEN, "txa_%d", txa->id); + service.socket_id = txa->socket_id; + service.callback = txa_service_func; + service.callback_userdata = txa; + service.capabilities = RTE_SERVICE_CAP_MT_SAFE; + ret = rte_service_component_register(&service, + (uint32_t *)&txa->service_id); + if (ret) { + RTE_EDEV_LOG_ERR("failed to register service %s err = %" + PRId32, service.name, ret); + return ret; + } + + ret = txa->conf_cb(txa->id, txa->eventdev_id, &conf, txa->conf_arg); + if (ret) { + txa_service_unregister(txa); + return ret; + } + + rte_service_component_runstate_set(txa->service_id, 1); + txa->port_id = conf.event_port_id; + txa->max_nb_tx = conf.max_nb_tx; + return 0; +} + +static struct rte_eth_dev_tx_buffer * +txa_service_tx_buf_alloc(struct txa_service_data *txa, + const struct rte_eth_dev *dev) +{ + struct rte_eth_dev_tx_buffer *tb; + uint16_t port_id; + + port_id = dev->data->port_id; + tb = rte_zmalloc_socket(txa->mem_name, + RTE_ETH_TX_BUFFER_SIZE(TXA_BATCH_SIZE), + 0, + rte_eth_dev_socket_id(port_id)); + if (tb == NULL) + RTE_EDEV_LOG_ERR("Failed to allocate memory for tx buffer"); + return tb; +} + +static int +txa_service_is_queue_added(struct txa_service_data *txa, + const struct rte_eth_dev *dev, + uint16_t tx_queue_id) +{ + struct txa_service_queue_info *tqi; + + tqi = txa_service_queue(txa, dev->data->port_id, tx_queue_id); + return tqi && tqi->added; +} + +static int +txa_service_ctrl(uint8_t id, int start) +{ + int ret; + struct txa_service_data *txa; + + txa = txa_service_id_to_data(id); + if (txa->service_id == TXA_INVALID_SERVICE_ID) + return 0; + + ret = rte_service_runstate_set(txa->service_id, start); + if (ret == 0 && !start) { + while (rte_service_may_be_active(txa->service_id)) + rte_pause(); + } + return ret; +} + +static void +txa_service_buffer_retry(struct rte_mbuf **pkts, uint16_t unsent, + void *userdata) +{ + struct txa_retry *tr; + struct txa_service_data *data; + struct rte_event_eth_tx_adapter_stats *stats; + uint16_t sent = 0; + unsigned int retry = 0; + uint16_t i, n; + + tr = (struct txa_retry *)(uintptr_t)userdata; + data = txa_service_id_to_data(tr->id); + stats = &data->stats; + + do { + n = rte_eth_tx_burst(tr->port_id, tr->tx_queue, + &pkts[sent], unsent - sent); + + sent += n; + } while (sent != unsent && retry++ < TXA_RETRY_CNT); + + for (i = sent; i < unsent; i++) + rte_pktmbuf_free(pkts[i]); + + stats->tx_retry += retry; + stats->tx_packets += sent; + stats->tx_dropped += unsent - sent; +} + +static void +txa_service_tx(struct txa_service_data *txa, struct rte_event *ev, + uint32_t n) +{ + uint32_t i; + uint16_t nb_tx; + struct rte_event_eth_tx_adapter_stats *stats; + + stats = &txa->stats; + + nb_tx = 0; + for (i = 0; i < n; i++) { + struct rte_mbuf *m; + uint16_t port; + uint16_t queue; + struct txa_service_queue_info *tqi; + + m = ev[i].mbuf; + port = m->port; + queue = rte_event_eth_tx_adapter_txq_get(m); + + tqi = txa_service_queue(txa, port, queue); + if (unlikely(tqi == NULL || !tqi->added)) { + rte_pktmbuf_free(m); + continue; + } + + nb_tx += rte_eth_tx_buffer(port, queue, tqi->tx_buf, m); + } + + stats->tx_packets += nb_tx; +} + +static int32_t +txa_service_func(void *args) +{ + struct txa_service_data *txa = args; + uint8_t dev_id; + uint8_t port; + uint16_t n; + uint32_t nb_tx, max_nb_tx; + struct rte_event ev[TXA_BATCH_SIZE]; + + dev_id = txa->eventdev_id; + max_nb_tx = txa->max_nb_tx; + port = txa->port_id; + + if (txa->nb_queues == 0) + return 0; + + if (!rte_spinlock_trylock(&txa->tx_lock)) + return 0; + + for (nb_tx = 0; nb_tx < max_nb_tx; nb_tx += n) { + + n = rte_event_dequeue_burst(dev_id, port, ev, RTE_DIM(ev), 0); + if (!n) + break; + txa_service_tx(txa, ev, n); + } + + if ((txa->loop_cnt++ & (TXA_FLUSH_THRESHOLD - 1)) == 0) { + + struct txa_service_ethdev *tdi; + struct txa_service_queue_info *tqi; + struct rte_eth_dev *dev; + uint16_t i; + + tdi = txa->txa_ethdev; + nb_tx = 0; + + RTE_ETH_FOREACH_DEV(i) { + uint16_t q; + + if (i == txa->dev_count) + break; + + dev = tdi[i].dev; + if (tdi[i].nb_queues == 0) + continue; + for (q = 0; q < dev->data->nb_tx_queues; q++) { + + tqi = txa_service_queue(txa, i, q); + if (unlikely(tqi == NULL || !tqi->added)) + continue; + + nb_tx += rte_eth_tx_buffer_flush(i, q, + tqi->tx_buf); + } + } + + txa->stats.tx_packets += nb_tx; + } + rte_spinlock_unlock(&txa->tx_lock); + return 0; +} + +static int +txa_service_adapter_create(uint8_t id, struct rte_eventdev *dev, + struct rte_event_port_conf *port_conf) +{ + struct txa_service_data *txa; + struct rte_event_port_conf *cb_conf; + int ret; + + cb_conf = rte_malloc(NULL, sizeof(*cb_conf), 0); + if (cb_conf == NULL) + return -ENOMEM; + + *cb_conf = *port_conf; + ret = txa_service_adapter_create_ext(id, dev, txa_service_conf_cb, + cb_conf); + if (ret) { + rte_free(cb_conf); + return ret; + } + + txa = txa_service_id_to_data(id); + txa->conf_free = 1; + return ret; +} + +static int +txa_service_adapter_create_ext(uint8_t id, struct rte_eventdev *dev, + rte_event_eth_tx_adapter_conf_cb conf_cb, + void *conf_arg) +{ + struct txa_service_data *txa; + int socket_id; + char mem_name[TXA_SERVICE_NAME_LEN]; + int ret; + + if (conf_cb == NULL) + return -EINVAL; + + socket_id = dev->data->socket_id; + snprintf(mem_name, TXA_MEM_NAME_LEN, + "rte_event_eth_txa_%d", + id); + + ret = txa_service_data_init(); + if (ret != 0) + return ret; + + txa = rte_zmalloc_socket(mem_name, + sizeof(*txa), + RTE_CACHE_LINE_SIZE, socket_id); + if (txa == NULL) { + RTE_EDEV_LOG_ERR("failed to get mem for tx adapter"); + return -ENOMEM; + } + + txa->id = id; + txa->eventdev_id = dev->data->dev_id; + txa->socket_id = socket_id; + strncpy(txa->mem_name, mem_name, TXA_SERVICE_NAME_LEN); + txa->conf_cb = conf_cb; + txa->conf_arg = conf_arg; + txa->service_id = TXA_INVALID_SERVICE_ID; + rte_spinlock_init(&txa->tx_lock); + txa_service_data_array[id] = txa; + + return 0; +} + +static int +txa_service_event_port_get(uint8_t id, uint8_t *port) +{ + struct txa_service_data *txa; + + txa = txa_service_id_to_data(id); + if (txa->service_id == TXA_INVALID_SERVICE_ID) + return -ENODEV; + + *port = txa->port_id; + return 0; +} + +static int +txa_service_adapter_free(uint8_t id) +{ + struct txa_service_data *txa; + + txa = txa_service_id_to_data(id); + if (txa->nb_queues) { + RTE_EDEV_LOG_ERR("%" PRIu16 " Tx queues not deleted", + txa->nb_queues); + return -EBUSY; + } + + if (txa->conf_free) + rte_free(txa->conf_arg); + rte_free(txa); + return 0; +} + +static int +txa_service_queue_add(uint8_t id, + __rte_unused struct rte_eventdev *dev, + const struct rte_eth_dev *eth_dev, + int32_t tx_queue_id) +{ + struct txa_service_data *txa; + struct txa_service_ethdev *tdi; + struct txa_service_queue_info *tqi; + struct rte_eth_dev_tx_buffer *tb; + struct txa_retry *txa_retry; + int ret; + + txa = txa_service_id_to_data(id); + + if (tx_queue_id == -1) { + int nb_queues; + uint16_t i, j; + uint16_t *qdone; + + nb_queues = eth_dev->data->nb_tx_queues; + if (txa->dev_count > eth_dev->data->port_id) { + tdi = &txa->txa_ethdev[eth_dev->data->port_id]; + nb_queues -= tdi->nb_queues; + } + + qdone = rte_zmalloc(txa->mem_name, + nb_queues * sizeof(*qdone), 0); + j = 0; + for (i = 0; i < nb_queues; i++) { + if (txa_service_is_queue_added(txa, eth_dev, i)) + continue; + ret = txa_service_queue_add(id, dev, eth_dev, i); + if (ret == 0) + qdone[j++] = i; + else + break; + } + + if (i != nb_queues) { + for (i = 0; i < j; i++) + txa_service_queue_del(id, eth_dev, qdone[i]); + } + rte_free(qdone); + return ret; + } + + ret = txa_service_register(txa); + if (ret) + return ret; + + rte_spinlock_lock(&txa->tx_lock); + + if (txa_service_is_queue_added(txa, eth_dev, tx_queue_id)) { + rte_spinlock_unlock(&txa->tx_lock); + return 0; + } + + ret = txa_service_queue_array_alloc(txa, eth_dev->data->port_id); + if (ret) + goto err_unlock; + + tb = txa_service_tx_buf_alloc(txa, eth_dev); + if (tb == NULL) + goto err_unlock; + + tdi = &txa->txa_ethdev[eth_dev->data->port_id]; + tqi = txa_service_queue(txa, eth_dev->data->port_id, tx_queue_id); + + txa_retry = &tqi->txa_retry; + txa_retry->id = txa->id; + txa_retry->port_id = eth_dev->data->port_id; + txa_retry->tx_queue = tx_queue_id; + + rte_eth_tx_buffer_init(tb, TXA_BATCH_SIZE); + rte_eth_tx_buffer_set_err_callback(tb, + txa_service_buffer_retry, txa_retry); + + tqi->tx_buf = tb; + tqi->added = 1; + tdi->nb_queues++; + txa->nb_queues++; + +err_unlock: + if (txa->nb_queues == 0) { + txa_service_queue_array_free(txa, + eth_dev->data->port_id); + txa_service_unregister(txa); + } + + rte_spinlock_unlock(&txa->tx_lock); + return 0; +} + +static int +txa_service_queue_del(uint8_t id, + const struct rte_eth_dev *dev, + int32_t tx_queue_id) +{ + struct txa_service_data *txa; + struct txa_service_queue_info *tqi; + struct rte_eth_dev_tx_buffer *tb; + uint16_t port_id; + + if (tx_queue_id == -1) { + uint16_t i; + int ret = -1; + + for (i = 0; i < dev->data->nb_tx_queues; i++) { + ret = txa_service_queue_del(id, dev, i); + if (ret != 0) + break; + } + return ret; + } + + txa = txa_service_id_to_data(id); + port_id = dev->data->port_id; + + tqi = txa_service_queue(txa, port_id, tx_queue_id); + if (tqi == NULL || !tqi->added) + return 0; + + tb = tqi->tx_buf; + tqi->added = 0; + tqi->tx_buf = NULL; + rte_free(tb); + txa->nb_queues--; + txa->txa_ethdev[port_id].nb_queues--; + + txa_service_queue_array_free(txa, port_id); + return 0; +} + +static int +txa_service_id_get(uint8_t id, uint32_t *service_id) +{ + struct txa_service_data *txa; + + txa = txa_service_id_to_data(id); + if (txa->service_id == TXA_INVALID_SERVICE_ID) + return -ESRCH; + + if (service_id == NULL) + return -EINVAL; + + *service_id = txa->service_id; + return 0; +} + +static int +txa_service_start(uint8_t id) +{ + return txa_service_ctrl(id, 1); +} + +static int +txa_service_stats_get(uint8_t id, + struct rte_event_eth_tx_adapter_stats *stats) +{ + struct txa_service_data *txa; + + txa = txa_service_id_to_data(id); + *stats = txa->stats; + return 0; +} + +static int +txa_service_stats_reset(uint8_t id) +{ + struct txa_service_data *txa; + + txa = txa_service_id_to_data(id); + memset(&txa->stats, 0, sizeof(txa->stats)); + return 0; +} + +static int +txa_service_stop(uint8_t id) +{ + return txa_service_ctrl(id, 0); +} + + +int __rte_experimental +rte_event_eth_tx_adapter_create(uint8_t id, uint8_t dev_id, + struct rte_event_port_conf *port_conf) +{ + struct rte_eventdev *dev; + int ret; + + if (port_conf == NULL) + return -EINVAL; + + RTE_EVENT_ETH_TX_ADAPTER_ID_VALID_OR_ERR_RET(id, -EINVAL); + RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL); + + dev = &rte_eventdevs[dev_id]; + + ret = txa_init(); + if (ret != 0) + return ret; + + if (txa_adapter_exist(id)) + return -EEXIST; + + txa_dev_id_array[id] = dev_id; + if (txa_dev_adapter_create(id)) + ret = txa_dev_adapter_create(id)(id, dev); + + if (ret != 0) { + txa_dev_id_array[id] = TXA_INVALID_DEV_ID; + return ret; + } + + ret = txa_service_adapter_create(id, dev, port_conf); + if (ret != 0) { + if (txa_dev_adapter_free(id)) + txa_dev_adapter_free(id)(id, dev); + txa_dev_id_array[id] = TXA_INVALID_DEV_ID; + return ret; + } + + txa_dev_id_array[id] = dev_id; + return 0; +} + +int __rte_experimental +rte_event_eth_tx_adapter_create_ext(uint8_t id, uint8_t dev_id, + rte_event_eth_tx_adapter_conf_cb conf_cb, + void *conf_arg) +{ + struct rte_eventdev *dev; + int ret; + + RTE_EVENT_ETH_TX_ADAPTER_ID_VALID_OR_ERR_RET(id, -EINVAL); + RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL); + + ret = txa_init(); + if (ret != 0) + return ret; + + if (txa_adapter_exist(id)) + return -EINVAL; + + dev = &rte_eventdevs[dev_id]; + + txa_dev_id_array[id] = dev_id; + if (txa_dev_adapter_create_ext(id)) + ret = txa_dev_adapter_create_ext(id)(id, dev); + + if (ret != 0) { + txa_dev_id_array[id] = TXA_INVALID_DEV_ID; + return ret; + } + + ret = txa_service_adapter_create_ext(id, dev, conf_cb, conf_arg); + if (ret != 0) { + if (txa_dev_adapter_free(id)) + txa_dev_adapter_free(id)(id, dev); + txa_dev_id_array[id] = TXA_INVALID_DEV_ID; + return ret; + } + + txa_dev_id_array[id] = dev_id; + return 0; +} + + +int __rte_experimental +rte_event_eth_tx_adapter_event_port_get(uint8_t id, uint8_t *event_port_id) +{ + TXA_CHECK_OR_ERR_RET(id); + + return txa_service_event_port_get(id, event_port_id); +} + +int __rte_experimental +rte_event_eth_tx_adapter_free(uint8_t id) +{ + int ret; + + TXA_CHECK_OR_ERR_RET(id); + + ret = txa_dev_adapter_free(id) ? + txa_dev_adapter_free(id)(id, txa_evdev(id)) : + 0; + + if (ret == 0) + ret = txa_service_adapter_free(id); + txa_dev_id_array[id] = TXA_INVALID_DEV_ID; + + return ret; +} + +int __rte_experimental +rte_event_eth_tx_adapter_queue_add(uint8_t id, + uint16_t eth_dev_id, + int32_t queue) +{ + struct rte_eth_dev *eth_dev; + int ret; + uint32_t caps; + + RTE_ETH_VALID_PORTID_OR_ERR_RET(eth_dev_id, -EINVAL); + TXA_CHECK_OR_ERR_RET(id); + + eth_dev = &rte_eth_devices[eth_dev_id]; + if (queue != -1 && (uint16_t)queue >= eth_dev->data->nb_tx_queues) { + RTE_EDEV_LOG_ERR("Invalid tx queue_id %" PRIu16, + (uint16_t)queue); + return -EINVAL; + } + + caps = 0; + if (txa_dev_caps_get(id)) + txa_dev_caps_get(id)(txa_evdev(id), eth_dev, &caps); + + if (caps & RTE_EVENT_ETH_TX_ADAPTER_CAP_INTERNAL_PORT) + ret = txa_dev_queue_add(id) ? + txa_dev_queue_add(id)(id, + txa_evdev(id), + eth_dev, + queue) : 0; + else + ret = txa_service_queue_add(id, txa_evdev(id), eth_dev, queue); + + return ret; +} + +int __rte_experimental +rte_event_eth_tx_adapter_queue_del(uint8_t id, + uint16_t eth_dev_id, + int32_t queue) +{ + struct rte_eth_dev *eth_dev; + int ret; + uint32_t caps; + + RTE_ETH_VALID_PORTID_OR_ERR_RET(eth_dev_id, -EINVAL); + TXA_CHECK_OR_ERR_RET(id); + + eth_dev = &rte_eth_devices[eth_dev_id]; + if (queue != -1 && (uint16_t)queue >= eth_dev->data->nb_tx_queues) { + RTE_EDEV_LOG_ERR("Invalid tx queue_id %" PRIu16, + (uint16_t)queue); + return -EINVAL; + } + + caps = 0; + + if (txa_dev_caps_get(id)) + txa_dev_caps_get(id)(txa_evdev(id), eth_dev, &caps); + + if (caps & RTE_EVENT_ETH_TX_ADAPTER_CAP_INTERNAL_PORT) + ret = txa_dev_queue_del(id) ? + txa_dev_queue_del(id)(id, txa_evdev(id), + eth_dev, + queue) : 0; + else + ret = txa_service_queue_del(id, eth_dev, queue); + + return ret; +} + +int __rte_experimental +rte_event_eth_tx_adapter_service_id_get(uint8_t id, uint32_t *service_id) +{ + TXA_CHECK_OR_ERR_RET(id); + + return txa_service_id_get(id, service_id); +} + +int __rte_experimental +rte_event_eth_tx_adapter_start(uint8_t id) +{ + int ret; + + TXA_CHECK_OR_ERR_RET(id); + + ret = txa_dev_start(id) ? txa_dev_start(id)(id, txa_evdev(id)) : 0; + if (ret == 0) + ret = txa_service_start(id); + return ret; +} + +int __rte_experimental +rte_event_eth_tx_adapter_stats_get(uint8_t id, + struct rte_event_eth_tx_adapter_stats *stats) +{ + int ret; + + TXA_CHECK_OR_ERR_RET(id); + + if (stats == NULL) + return -EINVAL; + + *stats = (struct rte_event_eth_tx_adapter_stats){0}; + + ret = txa_dev_stats_get(id) ? + txa_dev_stats_get(id)(id, txa_evdev(id), stats) : 0; + + if (ret == 0 && txa_service_id_get(id, NULL) != ESRCH) { + if (txa_dev_stats_get(id)) { + struct rte_event_eth_tx_adapter_stats service_stats; + + ret = txa_service_stats_get(id, &service_stats); + if (ret == 0) { + stats->tx_retry += service_stats.tx_retry; + stats->tx_packets += service_stats.tx_packets; + stats->tx_dropped += service_stats.tx_dropped; + } + } else + ret = txa_service_stats_get(id, stats); + } + + return ret; +} + +int __rte_experimental +rte_event_eth_tx_adapter_stats_reset(uint8_t id) +{ + int ret; + + TXA_CHECK_OR_ERR_RET(id); + + ret = txa_dev_stats_reset(id) ? + txa_dev_stats_reset(id)(id, txa_evdev(id)) : 0; + if (ret == 0) + ret = txa_service_stats_reset(id); + return ret; +} + +int __rte_experimental +rte_event_eth_tx_adapter_stop(uint8_t id) +{ + int ret; + + TXA_CHECK_OR_ERR_RET(id); + + ret = txa_dev_stop(id) ? txa_dev_stop(id)(id, txa_evdev(id)) : 0; + if (ret == 0) + ret = txa_service_stop(id); + return ret; +} |