X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fring%2Frte_eth_ring.c;h=c6733ee2b170ee72921824a1c26fbb7010e3cda2;hb=67fc3ff97c39fd005f2a4ee5f5c7f06208871baa;hp=76355a1c7691082728773484086b88c1cc4c1219;hpb=4c00cfdc0ea225f2518a35db928ad1ab02b2a724;p=dpdk.git diff --git a/drivers/net/ring/rte_eth_ring.c b/drivers/net/ring/rte_eth_ring.c index 76355a1c76..c6733ee2b1 100644 --- a/drivers/net/ring/rte_eth_ring.c +++ b/drivers/net/ring/rte_eth_ring.c @@ -1,43 +1,14 @@ -/*- - * 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 @@ -70,28 +41,32 @@ struct ring_queue { struct rte_ring *rng; rte_atomic64_t rx_pkts; rte_atomic64_t tx_pkts; - rte_atomic64_t err_pkts; }; struct pmd_internals { - unsigned max_rx_queues; - unsigned max_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 struct rte_eth_link pmd_link = { - .link_speed = ETH_SPEED_NUM_10G, - .link_duplex = ETH_LINK_FULL_DUPLEX, - .link_status = ETH_LINK_DOWN, - .link_autoneg = ETH_LINK_SPEED_AUTONEG + .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) { @@ -113,13 +88,10 @@ eth_ring_tx(void *q, struct rte_mbuf **bufs, uint16_t nb_bufs) struct ring_queue *r = q; const uint16_t nb_tx = (uint16_t)rte_ring_enqueue_burst(r->rng, ptrs, nb_bufs, NULL); - if (r->rng->flags & RING_F_SP_ENQ) { + if (r->rng->flags & RING_F_SP_ENQ) r->tx_pkts.cnt += nb_tx; - r->err_pkts.cnt += nb_bufs - nb_tx; - } else { + else rte_atomic64_add(&(r->tx_pkts), nb_tx); - rte_atomic64_add(&(r->err_pkts), nb_bufs - nb_tx); - } return nb_tx; } @@ -161,6 +133,7 @@ eth_rx_queue_setup(struct rte_eth_dev *dev, uint16_t rx_queue_id, 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; } @@ -172,28 +145,32 @@ 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; } -static void +static int 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->max_mac_addrs = 1; dev_info->max_rx_pktlen = (uint32_t)-1; 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; + + return 0; } static int eth_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats) { - unsigned i; - unsigned long rx_total = 0, tx_total = 0, tx_err_total = 0; + unsigned int i; + unsigned long rx_total = 0, tx_total = 0; const struct pmd_internals *internal = dev->data->dev_private; for (i = 0; i < RTE_ETHDEV_QUEUE_STAT_CNTRS && @@ -205,29 +182,27 @@ eth_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats) for (i = 0; i < RTE_ETHDEV_QUEUE_STAT_CNTRS && 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]; } stats->ipackets = rx_total; stats->opackets = tx_total; - stats->oerrors = tx_err_total; return 0; } -static void +static int 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 < dev->data->nb_rx_queues; i++) internal->rx_ring_queues[i].rx_pkts.cnt = 0; - for (i = 0; i < dev->data->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; - } + + return 0; } static void @@ -238,7 +213,7 @@ eth_mac_addr_remove(struct rte_eth_dev *dev __rte_unused, 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) { @@ -269,12 +244,12 @@ static const struct eth_dev_ops ops = { .mac_addr_add = eth_mac_addr_add, }; -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 nb_rx_queues, - struct rte_ring *const tx_queues[], const unsigned nb_tx_queues, + 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, enum dev_action action, struct rte_eth_dev **eth_dev_p) { @@ -283,29 +258,20 @@ do_eth_dev_ring_create(const char *name, struct rte_eth_dev *eth_dev = NULL; void **rx_queues_local = NULL; void **tx_queues_local = NULL; - unsigned i; + unsigned int i; - 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; - } - - rx_queues_local = rte_zmalloc_socket(name, - sizeof(void *) * nb_rx_queues, 0, numa_node); + 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; } - tx_queues_local = rte_zmalloc_socket(name, - sizeof(void *) * nb_tx_queues, 0, numa_node); + 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; @@ -330,10 +296,8 @@ do_eth_dev_ring_create(const char *name, * - 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 */ - rte_memcpy(data, eth_dev->data, sizeof(*data)); + data = eth_dev->data; data->rx_queues = rx_queues_local; data->tx_queues = tx_queues_local; @@ -355,7 +319,6 @@ do_eth_dev_ring_create(const char *name, data->dev_link = pmd_link; data->mac_addrs = &internals->address; - eth_dev->data = data; eth_dev->dev_ops = &ops; data->kdrv = RTE_KDRV_NONE; data->numa_node = numa_node; @@ -364,6 +327,7 @@ do_eth_dev_ring_create(const char *name, 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; @@ -371,7 +335,6 @@ do_eth_dev_ring_create(const char *name, error: rte_free(rx_queues_local); rte_free(tx_queues_local); - rte_free(data); rte_free(internals); return -1; @@ -379,10 +342,10 @@ error: int rte_eth_from_rings(const char *name, struct rte_ring *const rx_queues[], - const unsigned nb_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) { struct ring_internal_args args = { .rx_queues = rx_queues, @@ -392,8 +355,8 @@ rte_eth_from_rings(const char *name, struct rte_ring *const rx_queues[], .numa_node = numa_node, .addr = &args, }; - char args_str[32] = { 0 }; - char ring_name[32] = { 0 }; + char args_str[32]; + char ring_name[RTE_RING_NAMESIZE]; uint16_t port_id = RTE_MAX_ETHPORTS; int ret; @@ -411,8 +374,14 @@ rte_eth_from_rings(const char *name, struct rte_ring *const rx_queues[], return -1; } - snprintf(args_str, 32, "%s=%p", ETH_RING_INTERNAL_ARG, &args); - snprintf(ring_name, 32, "net_ring_%s", name); + 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) { @@ -420,7 +389,11 @@ rte_eth_from_rings(const char *name, struct rte_ring *const rx_queues[], return -1; } - rte_eth_dev_get_port_by_name(ring_name, &port_id); + ret = rte_eth_dev_get_port_by_name(ring_name, &port_id); + if (ret) { + rte_errno = ENODEV; + return -1; + } return port_id; } @@ -433,20 +406,28 @@ rte_eth_from_ring(struct rte_ring *r) } static int -eth_dev_ring_create(const char *name, const unsigned numa_node, +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) : @@ -464,17 +445,18 @@ 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; @@ -488,13 +470,13 @@ static int parse_kvlist (const char *key __rte_unused, const char *value, void * ret = -EINVAL; if (!name) { - RTE_LOG(WARNING, PMD, "command line parameter 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\n", + PMD_LOG(WARNING, "could not parse node value from %s", name); goto out; } @@ -504,7 +486,7 @@ static int parse_kvlist (const char *key __rte_unused, const char *value, void * action = strchr(node, ':'); if (!action) { - RTE_LOG(WARNING, PMD, "could not parse action value from %s\n", + PMD_LOG(WARNING, "could not parse action value from %s", node); goto out; } @@ -527,11 +509,13 @@ 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++; @@ -571,14 +555,14 @@ rte_pmd_ring_probe(struct rte_vdev_device *dev) 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, 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, ð_dev); } @@ -586,13 +570,13 @@ rte_pmd_ring_probe(struct rte_vdev_device *dev) 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, 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, ð_dev); @@ -631,7 +615,7 @@ rte_pmd_ring_probe(struct rte_vdev_device *dev) 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); @@ -646,8 +630,8 @@ rte_pmd_ring_probe(struct rte_vdev_device *dev) 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, @@ -676,7 +660,7 @@ rte_pmd_ring_remove(struct rte_vdev_device *dev) 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; @@ -700,12 +684,8 @@ rte_pmd_ring_remove(struct rte_vdev_device *dev) } } - rte_free(eth_dev->data->rx_queues); - rte_free(eth_dev->data->tx_queues); - rte_free(eth_dev->data->dev_private); - - 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; } @@ -719,3 +699,10 @@ 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); +}