X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fring%2Frte_eth_ring.c;h=cae63a7f10e00237a62e8b11121732d6b588bc18;hb=6d13ea8e8e49ab957deae2bba5ecf4a4bfe747d1;hp=d92b08872c12443af18c896d7340b0b765797000;hpb=d082c0395bf6cd8c5d9033d2826082557a336984;p=dpdk.git diff --git a/drivers/net/ring/rte_eth_ring.c b/drivers/net/ring/rte_eth_ring.c index d92b08872c..cae63a7f10 100644 --- a/drivers/net/ring/rte_eth_ring.c +++ b/drivers/net/ring/rte_eth_ring.c @@ -1,56 +1,42 @@ -/*- - * BSD LICENSE - * - * Copyright(c) 2010-2015 Intel Corporation. All rights reserved. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * * Neither the name of Intel Corporation nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2010-2015 Intel Corporation */ #include "rte_eth_ring.h" #include -#include +#include #include #include -#include #include -#include +#include #include #include #define ETH_RING_NUMA_NODE_ACTION_ARG "nodeaction" #define ETH_RING_ACTION_CREATE "CREATE" #define ETH_RING_ACTION_ATTACH "ATTACH" +#define ETH_RING_INTERNAL_ARG "internal" static const char *valid_arguments[] = { ETH_RING_NUMA_NODE_ACTION_ARG, + ETH_RING_INTERNAL_ARG, NULL }; +struct ring_internal_args { + struct rte_ring * const *rx_queues; + const unsigned int nb_rx_queues; + struct rte_ring * const *tx_queues; + const unsigned int nb_tx_queues; + const unsigned int numa_node; + void *addr; /* self addr for sanity check */ +}; + +enum dev_action { + DEV_CREATE, + DEV_ATTACH +}; + struct ring_queue { struct rte_ring *rng; rte_atomic64_t rx_pkts; @@ -59,30 +45,36 @@ struct ring_queue { }; struct pmd_internals { - unsigned nb_rx_queues; - unsigned nb_tx_queues; + unsigned int max_rx_queues; + unsigned int max_tx_queues; struct ring_queue rx_ring_queues[RTE_PMD_RING_MAX_RX_RINGS]; struct ring_queue tx_ring_queues[RTE_PMD_RING_MAX_TX_RINGS]; - struct ether_addr address; + struct rte_ether_addr address; + enum dev_action action; }; - -static const char *drivername = "Rings PMD"; static struct rte_eth_link pmd_link = { - .link_speed = 10000, - .link_duplex = ETH_LINK_FULL_DUPLEX, - .link_status = 0 + .link_speed = ETH_SPEED_NUM_10G, + .link_duplex = ETH_LINK_FULL_DUPLEX, + .link_status = ETH_LINK_DOWN, + .link_autoneg = ETH_LINK_FIXED, }; +static int eth_ring_logtype; + +#define PMD_LOG(level, fmt, args...) \ + rte_log(RTE_LOG_ ## level, eth_ring_logtype, \ + "%s(): " fmt "\n", __func__, ##args) + static uint16_t eth_ring_rx(void *q, struct rte_mbuf **bufs, uint16_t nb_bufs) { void **ptrs = (void *)&bufs[0]; struct ring_queue *r = q; const uint16_t nb_rx = (uint16_t)rte_ring_dequeue_burst(r->rng, - ptrs, nb_bufs); + ptrs, nb_bufs, NULL); if (r->rng->flags & RING_F_SC_DEQ) r->rx_pkts.cnt += nb_rx; else @@ -96,7 +88,7 @@ eth_ring_tx(void *q, struct rte_mbuf **bufs, uint16_t nb_bufs) void **ptrs = (void *)&bufs[0]; struct ring_queue *r = q; const uint16_t nb_tx = (uint16_t)rte_ring_enqueue_burst(r->rng, - ptrs, nb_bufs); + ptrs, nb_bufs, NULL); if (r->rng->flags & RING_F_SP_ENQ) { r->tx_pkts.cnt += nb_tx; r->err_pkts.cnt += nb_bufs - nb_tx; @@ -113,38 +105,39 @@ eth_dev_configure(struct rte_eth_dev *dev __rte_unused) { return 0; } static int eth_dev_start(struct rte_eth_dev *dev) { - dev->data->dev_link.link_status = 1; + dev->data->dev_link.link_status = ETH_LINK_UP; return 0; } static void eth_dev_stop(struct rte_eth_dev *dev) { - dev->data->dev_link.link_status = 0; + dev->data->dev_link.link_status = ETH_LINK_DOWN; } static int eth_dev_set_link_down(struct rte_eth_dev *dev) { - dev->data->dev_link.link_status = 0; + dev->data->dev_link.link_status = ETH_LINK_DOWN; return 0; } static int eth_dev_set_link_up(struct rte_eth_dev *dev) { - dev->data->dev_link.link_status = 1; + dev->data->dev_link.link_status = ETH_LINK_UP; return 0; } static int -eth_rx_queue_setup(struct rte_eth_dev *dev,uint16_t rx_queue_id, +eth_rx_queue_setup(struct rte_eth_dev *dev, uint16_t rx_queue_id, uint16_t nb_rx_desc __rte_unused, unsigned int socket_id __rte_unused, const struct rte_eth_rxconf *rx_conf __rte_unused, struct rte_mempool *mb_pool __rte_unused) { struct pmd_internals *internals = dev->data->dev_private; + dev->data->rx_queues[rx_queue_id] = &internals->rx_ring_queues[rx_queue_id]; return 0; } @@ -156,6 +149,7 @@ eth_tx_queue_setup(struct rte_eth_dev *dev, uint16_t tx_queue_id, const struct rte_eth_txconf *tx_conf __rte_unused) { struct pmd_internals *internals = dev->data->dev_private; + dev->data->tx_queues[tx_queue_id] = &internals->tx_ring_queues[tx_queue_id]; return 0; } @@ -163,52 +157,54 @@ eth_tx_queue_setup(struct rte_eth_dev *dev, uint16_t tx_queue_id, static void eth_dev_info(struct rte_eth_dev *dev, - struct rte_eth_dev_info *dev_info) + struct rte_eth_dev_info *dev_info) { struct pmd_internals *internals = dev->data->dev_private; - dev_info->driver_name = drivername; + dev_info->max_mac_addrs = 1; dev_info->max_rx_pktlen = (uint32_t)-1; - dev_info->max_rx_queues = (uint16_t)internals->nb_rx_queues; - dev_info->max_tx_queues = (uint16_t)internals->nb_tx_queues; + dev_info->max_rx_queues = (uint16_t)internals->max_rx_queues; + dev_info->max_tx_queues = (uint16_t)internals->max_tx_queues; dev_info->min_rx_bufsize = 0; - dev_info->pci_dev = NULL; } -static void -eth_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *igb_stats) +static int +eth_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats) { - unsigned i; + unsigned int i; unsigned long rx_total = 0, tx_total = 0, tx_err_total = 0; const struct pmd_internals *internal = dev->data->dev_private; for (i = 0; i < RTE_ETHDEV_QUEUE_STAT_CNTRS && - i < internal->nb_rx_queues; i++) { - igb_stats->q_ipackets[i] = internal->rx_ring_queues[i].rx_pkts.cnt; - rx_total += igb_stats->q_ipackets[i]; + i < dev->data->nb_rx_queues; i++) { + stats->q_ipackets[i] = internal->rx_ring_queues[i].rx_pkts.cnt; + rx_total += stats->q_ipackets[i]; } for (i = 0; i < RTE_ETHDEV_QUEUE_STAT_CNTRS && - i < internal->nb_tx_queues; i++) { - igb_stats->q_opackets[i] = internal->tx_ring_queues[i].tx_pkts.cnt; - igb_stats->q_errors[i] = internal->tx_ring_queues[i].err_pkts.cnt; - tx_total += igb_stats->q_opackets[i]; - tx_err_total += igb_stats->q_errors[i]; + i < dev->data->nb_tx_queues; i++) { + stats->q_opackets[i] = internal->tx_ring_queues[i].tx_pkts.cnt; + stats->q_errors[i] = internal->tx_ring_queues[i].err_pkts.cnt; + tx_total += stats->q_opackets[i]; + tx_err_total += stats->q_errors[i]; } - igb_stats->ipackets = rx_total; - igb_stats->opackets = tx_total; - igb_stats->oerrors = tx_err_total; + stats->ipackets = rx_total; + stats->opackets = tx_total; + stats->oerrors = tx_err_total; + + return 0; } static void eth_stats_reset(struct rte_eth_dev *dev) { - unsigned i; + unsigned int i; struct pmd_internals *internal = dev->data->dev_private; - for (i = 0; i < internal->nb_rx_queues; i++) + + for (i = 0; i < dev->data->nb_rx_queues; i++) internal->rx_ring_queues[i].rx_pkts.cnt = 0; - for (i = 0; i < internal->nb_tx_queues; i++) { + for (i = 0; i < dev->data->nb_tx_queues; i++) { internal->tx_ring_queues[i].tx_pkts.cnt = 0; internal->tx_ring_queues[i].err_pkts.cnt = 0; } @@ -220,12 +216,13 @@ eth_mac_addr_remove(struct rte_eth_dev *dev __rte_unused, { } -static void +static int eth_mac_addr_add(struct rte_eth_dev *dev __rte_unused, - struct ether_addr *mac_addr __rte_unused, + struct rte_ether_addr *mac_addr __rte_unused, uint32_t index __rte_unused, uint32_t vmdq __rte_unused) { + return 0; } static void @@ -252,55 +249,37 @@ static const struct eth_dev_ops ops = { .mac_addr_add = eth_mac_addr_add, }; -int -rte_eth_from_rings(const char *name, struct rte_ring *const rx_queues[], - const unsigned nb_rx_queues, +static struct rte_vdev_driver pmd_ring_drv; + +static int +do_eth_dev_ring_create(const char *name, + struct rte_ring * const rx_queues[], + const unsigned int nb_rx_queues, struct rte_ring *const tx_queues[], - const unsigned nb_tx_queues, - const unsigned numa_node) + const unsigned int nb_tx_queues, + const unsigned int numa_node, enum dev_action action, + struct rte_eth_dev **eth_dev_p) { struct rte_eth_dev_data *data = NULL; struct pmd_internals *internals = NULL; struct rte_eth_dev *eth_dev = NULL; + void **rx_queues_local = NULL; + void **tx_queues_local = NULL; + unsigned int i; - unsigned i; - - /* do some parameter checking */ - if (rx_queues == NULL && nb_rx_queues > 0) { - rte_errno = EINVAL; - goto error; - } - if (tx_queues == NULL && nb_tx_queues > 0) { - rte_errno = EINVAL; - goto error; - } - if (nb_rx_queues > RTE_PMD_RING_MAX_RX_RINGS) { - rte_errno = EINVAL; - goto error; - } - - RTE_LOG(INFO, PMD, "Creating rings-backed ethdev on numa socket %u\n", + PMD_LOG(INFO, "Creating rings-backed ethdev on numa socket %u", numa_node); - /* now do all data allocation - for eth_dev structure, dummy pci driver - * and internal (private) data - */ - data = rte_zmalloc_socket(name, sizeof(*data), 0, numa_node); - if (data == NULL) { - rte_errno = ENOMEM; - goto error; - } - - data->rx_queues = rte_zmalloc_socket(name, sizeof(void *) * nb_rx_queues, - 0, numa_node); - if (data->rx_queues == NULL) { + rx_queues_local = rte_calloc_socket(name, nb_rx_queues, + sizeof(void *), 0, numa_node); + if (rx_queues_local == NULL) { rte_errno = ENOMEM; goto error; } - data->tx_queues = rte_zmalloc_socket(name, sizeof(void *) * nb_tx_queues, - 0, numa_node); - if (data->tx_queues == NULL) { + tx_queues_local = rte_calloc_socket(name, nb_tx_queues, + sizeof(void *), 0, numa_node); + if (tx_queues_local == NULL) { rte_errno = ENOMEM; goto error; } @@ -312,7 +291,7 @@ rte_eth_from_rings(const char *name, struct rte_ring *const rx_queues[], } /* reserve an ethdev entry */ - eth_dev = rte_eth_dev_allocate(name, RTE_ETH_DEV_VIRTUAL); + eth_dev = rte_eth_dev_allocate(name); if (eth_dev == NULL) { rte_errno = ENOSPC; goto error; @@ -324,11 +303,14 @@ rte_eth_from_rings(const char *name, struct rte_ring *const rx_queues[], * - point eth_dev_data to internals * - and point eth_dev structure to new eth_dev_data structure */ - /* NOTE: we'll replace the data element, of originally allocated eth_dev - * so the rings are local per-process */ - internals->nb_rx_queues = nb_rx_queues; - internals->nb_tx_queues = nb_tx_queues; + data = eth_dev->data; + data->rx_queues = rx_queues_local; + data->tx_queues = tx_queues_local; + + internals->action = action; + internals->max_rx_queues = nb_rx_queues; + internals->max_tx_queues = nb_tx_queues; for (i = 0; i < nb_rx_queues; i++) { internals->rx_ring_queues[i].rng = rx_queues[i]; data->rx_queues[i] = &internals->rx_ring_queues[i]; @@ -339,40 +321,90 @@ rte_eth_from_rings(const char *name, struct rte_ring *const rx_queues[], } data->dev_private = internals; - data->port_id = eth_dev->data->port_id; - memmove(data->name, eth_dev->data->name, sizeof(data->name)); data->nb_rx_queues = (uint16_t)nb_rx_queues; data->nb_tx_queues = (uint16_t)nb_tx_queues; data->dev_link = pmd_link; data->mac_addrs = &internals->address; - eth_dev->data = data; - eth_dev->driver = NULL; eth_dev->dev_ops = &ops; - eth_dev->data->dev_flags = RTE_ETH_DEV_DETACHABLE; - eth_dev->data->kdrv = RTE_KDRV_NONE; - eth_dev->data->drv_name = drivername; - eth_dev->data->numa_node = numa_node; - - TAILQ_INIT(&(eth_dev->link_intr_cbs)); + data->kdrv = RTE_KDRV_NONE; + data->numa_node = numa_node; /* finally assign rx and tx ops */ eth_dev->rx_pkt_burst = eth_ring_rx; eth_dev->tx_pkt_burst = eth_ring_tx; + rte_eth_dev_probing_finish(eth_dev); + *eth_dev_p = eth_dev; + return data->port_id; error: - if (data) { - rte_free(data->rx_queues); - rte_free(data->tx_queues); - } - rte_free(data); + rte_free(rx_queues_local); + rte_free(tx_queues_local); rte_free(internals); return -1; } +int +rte_eth_from_rings(const char *name, struct rte_ring *const rx_queues[], + const unsigned int nb_rx_queues, + struct rte_ring *const tx_queues[], + const unsigned int nb_tx_queues, + const unsigned int numa_node) +{ + struct ring_internal_args args = { + .rx_queues = rx_queues, + .nb_rx_queues = nb_rx_queues, + .tx_queues = tx_queues, + .nb_tx_queues = nb_tx_queues, + .numa_node = numa_node, + .addr = &args, + }; + char args_str[32]; + char ring_name[RTE_RING_NAMESIZE]; + uint16_t port_id = RTE_MAX_ETHPORTS; + int ret; + + /* do some parameter checking */ + if (rx_queues == NULL && nb_rx_queues > 0) { + rte_errno = EINVAL; + return -1; + } + if (tx_queues == NULL && nb_tx_queues > 0) { + rte_errno = EINVAL; + return -1; + } + if (nb_rx_queues > RTE_PMD_RING_MAX_RX_RINGS) { + rte_errno = EINVAL; + return -1; + } + + snprintf(args_str, sizeof(args_str), "%s=%p", + ETH_RING_INTERNAL_ARG, &args); + + ret = snprintf(ring_name, sizeof(ring_name), "net_ring_%s", name); + if (ret >= (int)sizeof(ring_name)) { + rte_errno = ENAMETOOLONG; + return -1; + } + + ret = rte_vdev_init(ring_name, args_str); + if (ret) { + rte_errno = EINVAL; + return -1; + } + + ret = rte_eth_dev_get_port_by_name(ring_name, &port_id); + if (ret) { + rte_errno = ENODEV; + return -1; + } + + return port_id; +} + int rte_eth_from_ring(struct rte_ring *r) { @@ -380,26 +412,29 @@ rte_eth_from_ring(struct rte_ring *r) r->memzone ? r->memzone->socket_id : SOCKET_ID_ANY); } -enum dev_action{ - DEV_CREATE, - DEV_ATTACH -}; - static int -eth_dev_ring_create(const char *name, const unsigned numa_node, - enum dev_action action) +eth_dev_ring_create(const char *name, const unsigned int numa_node, + enum dev_action action, struct rte_eth_dev **eth_dev) { /* rx and tx are so-called from point of view of first port. * They are inverted from the point of view of second port */ struct rte_ring *rxtx[RTE_PMD_RING_MAX_RX_RINGS]; - unsigned i; + unsigned int i; char rng_name[RTE_RING_NAMESIZE]; - unsigned num_rings = RTE_MIN(RTE_PMD_RING_MAX_RX_RINGS, + unsigned int num_rings = RTE_MIN(RTE_PMD_RING_MAX_RX_RINGS, RTE_PMD_RING_MAX_TX_RINGS); for (i = 0; i < num_rings; i++) { - snprintf(rng_name, sizeof(rng_name), "ETH_RXTX%u_%s", i, name); + int cc; + + cc = snprintf(rng_name, sizeof(rng_name), + "ETH_RXTX%u_%s", i, name); + if (cc >= (int)sizeof(rng_name)) { + rte_errno = ENAMETOOLONG; + return -1; + } + rxtx[i] = (action == DEV_CREATE) ? rte_ring_create(rng_name, 1024, numa_node, RING_F_SP_ENQ|RING_F_SC_DEQ) : @@ -408,7 +443,8 @@ eth_dev_ring_create(const char *name, const unsigned numa_node, return -1; } - if (rte_eth_from_rings(name, rxtx, num_rings, rxtx, num_rings, numa_node) < 0) + if (do_eth_dev_ring_create(name, rxtx, num_rings, rxtx, num_rings, + numa_node, action, eth_dev) < 0) return -1; return 0; @@ -416,17 +452,18 @@ eth_dev_ring_create(const char *name, const unsigned numa_node, struct node_action_pair { char name[PATH_MAX]; - unsigned node; + unsigned int node; enum dev_action action; }; struct node_action_list { - unsigned total; - unsigned count; + unsigned int total; + unsigned int count; struct node_action_pair *list; }; -static int parse_kvlist (const char *key __rte_unused, const char *value, void *data) +static int parse_kvlist(const char *key __rte_unused, + const char *value, void *data) { struct node_action_list *info = data; int ret; @@ -440,13 +477,14 @@ static int parse_kvlist (const char *key __rte_unused, const char *value, void * ret = -EINVAL; if (!name) { - RTE_LOG(WARNING, PMD, "command line paramter is empty for ring pmd!\n"); + PMD_LOG(WARNING, "command line parameter is empty for ring pmd!"); goto out; } node = strchr(name, ':'); if (!node) { - RTE_LOG(WARNING, PMD, "could not parse node value from %s", name); + PMD_LOG(WARNING, "could not parse node value from %s", + name); goto out; } @@ -455,7 +493,8 @@ static int parse_kvlist (const char *key __rte_unused, const char *value, void * action = strchr(node, ':'); if (!action) { - RTE_LOG(WARNING, PMD, "could not action value from %s", node); + PMD_LOG(WARNING, "could not parse action value from %s", + node); goto out; } @@ -477,11 +516,13 @@ static int parse_kvlist (const char *key __rte_unused, const char *value, void * info->list[info->count].node = strtol(node, &end, 10); if ((errno != 0) || (*end != '\0')) { - RTE_LOG(WARNING, PMD, "node value %s is unparseable as a number\n", node); + PMD_LOG(WARNING, + "node value %s is unparseable as a number", node); goto out; } - snprintf(info->list[info->count].name, sizeof(info->list[info->count].name), "%s", name); + strlcpy(info->list[info->count].name, name, + sizeof(info->list[info->count].name)); info->count++; @@ -492,39 +533,85 @@ out: } static int -rte_pmd_ring_devinit(const char *name, const char *params) +parse_internal_args(const char *key __rte_unused, const char *value, + void *data) { + struct ring_internal_args **internal_args = data; + void *args; + + sscanf(value, "%p", &args); + + *internal_args = args; + + if ((*internal_args)->addr != args) + return -1; + + return 0; +} + +static int +rte_pmd_ring_probe(struct rte_vdev_device *dev) +{ + const char *name, *params; struct rte_kvargs *kvlist = NULL; int ret = 0; struct node_action_list *info = NULL; + struct rte_eth_dev *eth_dev = NULL; + struct ring_internal_args *internal_args; + + name = rte_vdev_device_name(dev); + params = rte_vdev_device_args(dev); - RTE_LOG(INFO, PMD, "Initializing pmd_ring for %s\n", name); + PMD_LOG(INFO, "Initializing pmd_ring for %s", name); if (params == NULL || params[0] == '\0') { - ret = eth_dev_ring_create(name, rte_socket_id(), DEV_CREATE); + ret = eth_dev_ring_create(name, rte_socket_id(), DEV_CREATE, + ð_dev); if (ret == -1) { - RTE_LOG(INFO, PMD, - "Attach to pmd_ring for %s\n", name); + PMD_LOG(INFO, + "Attach to pmd_ring for %s", name); ret = eth_dev_ring_create(name, rte_socket_id(), - DEV_ATTACH); + DEV_ATTACH, ð_dev); } - } - else { + } else { kvlist = rte_kvargs_parse(params, valid_arguments); if (!kvlist) { - RTE_LOG(INFO, PMD, "Ignoring unsupported parameters when creating" - " rings-backed ethernet device\n"); + PMD_LOG(INFO, + "Ignoring unsupported parameters when creatingrings-backed ethernet device"); ret = eth_dev_ring_create(name, rte_socket_id(), - DEV_CREATE); + DEV_CREATE, ð_dev); if (ret == -1) { - RTE_LOG(INFO, PMD, - "Attach to pmd_ring for %s\n", + PMD_LOG(INFO, + "Attach to pmd_ring for %s", name); ret = eth_dev_ring_create(name, rte_socket_id(), - DEV_ATTACH); + DEV_ATTACH, ð_dev); } + + if (eth_dev) + eth_dev->device = &dev->device; + return ret; + } + + if (rte_kvargs_count(kvlist, ETH_RING_INTERNAL_ARG) == 1) { + ret = rte_kvargs_process(kvlist, ETH_RING_INTERNAL_ARG, + parse_internal_args, + &internal_args); + if (ret < 0) + goto out_free; + + ret = do_eth_dev_ring_create(name, + internal_args->rx_queues, + internal_args->nb_rx_queues, + internal_args->tx_queues, + internal_args->nb_tx_queues, + internal_args->numa_node, + DEV_ATTACH, + ð_dev); + if (ret >= 0) + ret = 0; } else { ret = rte_kvargs_count(kvlist, ETH_RING_NUMA_NODE_ACTION_ARG); info = rte_zmalloc("struct node_action_list", @@ -535,7 +622,7 @@ rte_pmd_ring_devinit(const char *name, const char *params) goto out_free; info->total = ret; - info->list = (struct node_action_pair*)(info + 1); + info->list = (struct node_action_pair *)(info + 1); ret = rte_kvargs_process(kvlist, ETH_RING_NUMA_NODE_ACTION_ARG, parse_kvlist, info); @@ -544,22 +631,27 @@ rte_pmd_ring_devinit(const char *name, const char *params) goto out_free; for (info->count = 0; info->count < info->total; info->count++) { - ret = eth_dev_ring_create(name, + ret = eth_dev_ring_create(info->list[info->count].name, info->list[info->count].node, - info->list[info->count].action); + info->list[info->count].action, + ð_dev); if ((ret == -1) && (info->list[info->count].action == DEV_CREATE)) { - RTE_LOG(INFO, PMD, - "Attach to pmd_ring for %s\n", + PMD_LOG(INFO, + "Attach to pmd_ring for %s", name); ret = eth_dev_ring_create(name, info->list[info->count].node, - DEV_ATTACH); + DEV_ATTACH, + ð_dev); } } } } + if (eth_dev) + eth_dev->device = &dev->device; + out_free: rte_kvargs_free(kvlist); rte_free(info); @@ -567,11 +659,15 @@ out_free: } static int -rte_pmd_ring_devuninit(const char *name) +rte_pmd_ring_remove(struct rte_vdev_device *dev) { + const char *name = rte_vdev_device_name(dev); struct rte_eth_dev *eth_dev = NULL; + struct pmd_internals *internals = NULL; + struct ring_queue *r = NULL; + uint16_t i; - RTE_LOG(INFO, PMD, "Un-Initializing pmd_ring for %s\n", name); + PMD_LOG(INFO, "Un-Initializing pmd_ring for %s", name); if (name == NULL) return -EINVAL; @@ -583,22 +679,37 @@ rte_pmd_ring_devuninit(const char *name) eth_dev_stop(eth_dev); - if (eth_dev->data) { - rte_free(eth_dev->data->rx_queues); - rte_free(eth_dev->data->tx_queues); - rte_free(eth_dev->data->dev_private); + internals = eth_dev->data->dev_private; + if (internals->action == DEV_CREATE) { + /* + * it is only necessary to delete the rings in rx_queues because + * they are the same used in tx_queues + */ + for (i = 0; i < eth_dev->data->nb_rx_queues; i++) { + r = eth_dev->data->rx_queues[i]; + rte_ring_free(r->rng); + } } - rte_free(eth_dev->data); + /* mac_addrs must not be freed alone because part of dev_private */ + eth_dev->data->mac_addrs = NULL; rte_eth_dev_release_port(eth_dev); return 0; } -static struct rte_driver pmd_ring_drv = { - .name = "eth_ring", - .type = PMD_VDEV, - .init = rte_pmd_ring_devinit, - .uninit = rte_pmd_ring_devuninit, +static struct rte_vdev_driver pmd_ring_drv = { + .probe = rte_pmd_ring_probe, + .remove = rte_pmd_ring_remove, }; -PMD_REGISTER_DRIVER(pmd_ring_drv); +RTE_PMD_REGISTER_VDEV(net_ring, pmd_ring_drv); +RTE_PMD_REGISTER_ALIAS(net_ring, eth_ring); +RTE_PMD_REGISTER_PARAM_STRING(net_ring, + ETH_RING_NUMA_NODE_ACTION_ARG "=name:node:action(ATTACH|CREATE)"); + +RTE_INIT(eth_ring_init_log) +{ + eth_ring_logtype = rte_log_register("pmd.net.ring"); + if (eth_ring_logtype >= 0) + rte_log_set_level(eth_ring_logtype, RTE_LOG_NOTICE); +}