net: add rte prefix to ether structures
[dpdk.git] / drivers / net / af_packet / rte_eth_af_packet.c
index ac58ad6..b5c4bef 100644 (file)
@@ -1,41 +1,12 @@
-/*-
- *   BSD LICENSE
- *
- *   Copyright(c) 2014 John W. Linville <linville@tuxdriver.com>
- *
- *   Originally based upon librte_pmd_pcap code:
- *
- *   Copyright(c) 2010-2015 Intel Corporation. All rights reserved.
- *   Copyright(c) 2014 6WIND S.A.
- *   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) 2014 John W. Linville <linville@tuxdriver.com>
+ * Originally based upon librte_pmd_pcap code:
+ * Copyright(c) 2010-2015 Intel Corporation.
+ * Copyright(c) 2014 6WIND S.A.
+ * All rights reserved.
  */
 
+#include <rte_string_fns.h>
 #include <rte_mbuf.h>
 #include <rte_ethdev_driver.h>
 #include <rte_ethdev_vdev.h>
@@ -102,7 +73,7 @@ struct pmd_internals {
 
        int if_index;
        char *if_name;
-       struct ether_addr eth_addr;
+       struct rte_ether_addr eth_addr;
 
        struct tpacket_req req;
 
@@ -124,9 +95,15 @@ 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_AUTONEG
+       .link_autoneg = ETH_LINK_FIXED,
 };
 
+static int af_packet_logtype;
+
+#define PMD_LOG(level, fmt, args...) \
+       rte_log(RTE_LOG_ ## level, af_packet_logtype, \
+               "%s(): " fmt "\n", __func__, ##args)
+
 static uint16_t
 eth_af_packet_rx(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts)
 {
@@ -423,8 +400,8 @@ eth_rx_queue_setup(struct rte_eth_dev *dev,
        data_size -= TPACKET2_HDRLEN - sizeof(struct sockaddr_ll);
 
        if (data_size > buf_size) {
-               RTE_LOG(ERR, PMD,
-                       "%s: %d bytes will not fit in mbuf (%d bytes)\n",
+               PMD_LOG(ERR,
+                       "%s: %d bytes will not fit in mbuf (%d bytes)",
                        dev->device->name, data_size, buf_size);
                return -ENOMEM;
        }
@@ -457,8 +434,7 @@ eth_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
        int ret;
        int s;
        unsigned int data_size = internals->req.tp_frame_size -
-                                TPACKET2_HDRLEN -
-                                sizeof(struct sockaddr_ll);
+                                TPACKET2_HDRLEN;
 
        if (mtu > data_size)
                return -EINVAL;
@@ -467,7 +443,7 @@ eth_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
        if (s < 0)
                return -EINVAL;
 
-       snprintf(ifr.ifr_name, IFNAMSIZ, "%s", internals->if_name);
+       strlcpy(ifr.ifr_name, internals->if_name, IFNAMSIZ);
        ret = ioctl(s, SIOCSIFMTU, &ifr);
        close(s);
 
@@ -487,7 +463,7 @@ eth_dev_change_flags(char *if_name, uint32_t flags, uint32_t mask)
        if (s < 0)
                return;
 
-       snprintf(ifr.ifr_name, IFNAMSIZ, "%s", if_name);
+       strlcpy(ifr.ifr_name, if_name, IFNAMSIZ);
        if (ioctl(s, SIOCGIFFLAGS, &ifr) < 0)
                goto out;
        ifr.ifr_flags &= mask;
@@ -545,7 +521,7 @@ open_packet_iface(const char *key __rte_unused,
        /* Open an AF_PACKET socket... */
        *sockfd = socket(AF_PACKET, SOCK_RAW, htons(ETH_P_ALL));
        if (*sockfd == -1) {
-               RTE_LOG(ERR, PMD, "Could not open AF_PACKET socket\n");
+               PMD_LOG(ERR, "Could not open AF_PACKET socket");
                return -1;
        }
 
@@ -591,28 +567,20 @@ rte_pmd_init_internals(struct rte_vdev_device *dev,
                        break;
        }
        if (pair == NULL) {
-               RTE_LOG(ERR, PMD,
-                       "%s: no interface specified for AF_PACKET ethdev\n",
+               PMD_LOG(ERR,
+                       "%s: no interface specified for AF_PACKET ethdev",
                        name);
-               goto error_early;
+               return -1;
        }
 
-       RTE_LOG(INFO, PMD,
-               "%s: creating AF_PACKET-backed ethdev on numa socket %u\n",
+       PMD_LOG(INFO,
+               "%s: creating AF_PACKET-backed ethdev on numa socket %u",
                name, 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)
-               goto error_early;
-
        *internals = rte_zmalloc_socket(name, sizeof(**internals),
                                        0, numa_node);
        if (*internals == NULL)
-               goto error_early;
+               return -1;
 
        for (q = 0; q < nb_queues; q++) {
                (*internals)->rx_queue[q].map = MAP_FAILED;
@@ -631,27 +599,27 @@ rte_pmd_init_internals(struct rte_vdev_device *dev,
                memcpy(ifr.ifr_name, pair->value, ifnamelen);
                ifr.ifr_name[ifnamelen] = '\0';
        } else {
-               RTE_LOG(ERR, PMD,
-                       "%s: I/F name too long (%s)\n",
+               PMD_LOG(ERR,
+                       "%s: I/F name too long (%s)",
                        name, pair->value);
-               goto error_early;
+               return -1;
        }
        if (ioctl(sockfd, SIOCGIFINDEX, &ifr) == -1) {
-               RTE_LOG(ERR, PMD,
-                       "%s: ioctl failed (SIOCGIFINDEX)\n",
+               PMD_LOG(ERR,
+                       "%s: ioctl failed (SIOCGIFINDEX)",
                        name);
-               goto error_early;
+               return -1;
        }
        (*internals)->if_name = strdup(pair->value);
        if ((*internals)->if_name == NULL)
-               goto error_early;
+               return -1;
        (*internals)->if_index = ifr.ifr_ifindex;
 
        if (ioctl(sockfd, SIOCGIFHWADDR, &ifr) == -1) {
-               RTE_LOG(ERR, PMD,
-                       "%s: ioctl failed (SIOCGIFHWADDR)\n",
+               PMD_LOG(ERR,
+                       "%s: ioctl failed (SIOCGIFHWADDR)",
                        name);
-               goto error_early;
+               return -1;
        }
        memcpy(&(*internals)->eth_addr, ifr.ifr_hwaddr.sa_data, ETH_ALEN);
 
@@ -672,8 +640,8 @@ rte_pmd_init_internals(struct rte_vdev_device *dev,
                /* Open an AF_PACKET socket for this queue... */
                qsockfd = socket(AF_PACKET, SOCK_RAW, htons(ETH_P_ALL));
                if (qsockfd == -1) {
-                       RTE_LOG(ERR, PMD,
-                               "%s: could not open AF_PACKET socket\n",
+                       PMD_LOG(ERR,
+                               "%s: could not open AF_PACKET socket",
                                name);
                        return -1;
                }
@@ -682,9 +650,9 @@ rte_pmd_init_internals(struct rte_vdev_device *dev,
                rc = setsockopt(qsockfd, SOL_PACKET, PACKET_VERSION,
                                &tpver, sizeof(tpver));
                if (rc == -1) {
-                       RTE_LOG(ERR, PMD,
-                               "%s: could not set PACKET_VERSION on AF_PACKET "
-                               "socket for %s\n", name, pair->value);
+                       PMD_LOG(ERR,
+                               "%s: could not set PACKET_VERSION on AF_PACKET socket for %s",
+                               name, pair->value);
                        goto error;
                }
 
@@ -692,9 +660,9 @@ rte_pmd_init_internals(struct rte_vdev_device *dev,
                rc = setsockopt(qsockfd, SOL_PACKET, PACKET_LOSS,
                                &discard, sizeof(discard));
                if (rc == -1) {
-                       RTE_LOG(ERR, PMD,
-                               "%s: could not set PACKET_LOSS on "
-                               "AF_PACKET socket for %s\n", name, pair->value);
+                       PMD_LOG(ERR,
+                               "%s: could not set PACKET_LOSS on AF_PACKET socket for %s",
+                               name, pair->value);
                        goto error;
                }
 
@@ -702,10 +670,9 @@ rte_pmd_init_internals(struct rte_vdev_device *dev,
                rc = setsockopt(qsockfd, SOL_PACKET, PACKET_QDISC_BYPASS,
                                &qdisc_bypass, sizeof(qdisc_bypass));
                if (rc == -1) {
-                       RTE_LOG(ERR, PMD,
-                               "%s: could not set PACKET_QDISC_BYPASS "
-                               "on AF_PACKET socket for %s\n", name,
-                               pair->value);
+                       PMD_LOG(ERR,
+                               "%s: could not set PACKET_QDISC_BYPASS on AF_PACKET socket for %s",
+                               name, pair->value);
                        goto error;
                }
 #else
@@ -714,17 +681,17 @@ rte_pmd_init_internals(struct rte_vdev_device *dev,
 
                rc = setsockopt(qsockfd, SOL_PACKET, PACKET_RX_RING, req, sizeof(*req));
                if (rc == -1) {
-                       RTE_LOG(ERR, PMD,
-                               "%s: could not set PACKET_RX_RING on AF_PACKET "
-                               "socket for %s\n", name, pair->value);
+                       PMD_LOG(ERR,
+                               "%s: could not set PACKET_RX_RING on AF_PACKET socket for %s",
+                               name, pair->value);
                        goto error;
                }
 
                rc = setsockopt(qsockfd, SOL_PACKET, PACKET_TX_RING, req, sizeof(*req));
                if (rc == -1) {
-                       RTE_LOG(ERR, PMD,
+                       PMD_LOG(ERR,
                                "%s: could not set PACKET_TX_RING on AF_PACKET "
-                               "socket for %s\n", name, pair->value);
+                               "socket for %s", name, pair->value);
                        goto error;
                }
 
@@ -735,8 +702,8 @@ rte_pmd_init_internals(struct rte_vdev_device *dev,
                                    PROT_READ | PROT_WRITE, MAP_SHARED | MAP_LOCKED,
                                    qsockfd, 0);
                if (rx_queue->map == MAP_FAILED) {
-                       RTE_LOG(ERR, PMD,
-                               "%s: call to mmap failed on AF_PACKET socket for %s\n",
+                       PMD_LOG(ERR,
+                               "%s: call to mmap failed on AF_PACKET socket for %s",
                                name, pair->value);
                        goto error;
                }
@@ -772,8 +739,8 @@ rte_pmd_init_internals(struct rte_vdev_device *dev,
 
                rc = bind(qsockfd, (const struct sockaddr*)&sockaddr, sizeof(sockaddr));
                if (rc == -1) {
-                       RTE_LOG(ERR, PMD,
-                               "%s: could not bind AF_PACKET socket to %s\n",
+                       PMD_LOG(ERR,
+                               "%s: could not bind AF_PACKET socket to %s",
                                name, pair->value);
                        goto error;
                }
@@ -782,9 +749,9 @@ rte_pmd_init_internals(struct rte_vdev_device *dev,
                rc = setsockopt(qsockfd, SOL_PACKET, PACKET_FANOUT,
                                &fanout_arg, sizeof(fanout_arg));
                if (rc == -1) {
-                       RTE_LOG(ERR, PMD,
+                       PMD_LOG(ERR,
                                "%s: could not set PACKET_FANOUT on AF_PACKET socket "
-                               "for %s\n", name, pair->value);
+                               "for %s", name, pair->value);
                        goto error;
                }
 #endif
@@ -805,14 +772,13 @@ rte_pmd_init_internals(struct rte_vdev_device *dev,
 
        (*internals)->nb_queues = nb_queues;
 
-       rte_memcpy(data, (*eth_dev)->data, sizeof(*data));
+       data = (*eth_dev)->data;
        data->dev_private = *internals;
        data->nb_rx_queues = (uint16_t)nb_queues;
        data->nb_tx_queues = (uint16_t)nb_queues;
        data->dev_link = pmd_link;
        data->mac_addrs = &(*internals)->eth_addr;
 
-       (*eth_dev)->data = data;
        (*eth_dev)->dev_ops = &ops;
 
        return 0;
@@ -832,8 +798,6 @@ error:
        }
        free((*internals)->if_name);
        rte_free(*internals);
-error_early:
-       rte_free(data);
        return -1;
 }
 
@@ -867,8 +831,8 @@ rte_eth_from_packet(struct rte_vdev_device *dev,
                        qpairs = atoi(pair->value);
                        if (qpairs < 1 ||
                            qpairs > RTE_PMD_AF_PACKET_MAX_RINGS) {
-                               RTE_LOG(ERR, PMD,
-                                       "%s: invalid qpairs value\n",
+                               PMD_LOG(ERR,
+                                       "%s: invalid qpairs value",
                                        name);
                                return -1;
                        }
@@ -877,8 +841,8 @@ rte_eth_from_packet(struct rte_vdev_device *dev,
                if (strstr(pair->key, ETH_AF_PACKET_BLOCKSIZE_ARG) != NULL) {
                        blocksize = atoi(pair->value);
                        if (!blocksize) {
-                               RTE_LOG(ERR, PMD,
-                                       "%s: invalid blocksize value\n",
+                               PMD_LOG(ERR,
+                                       "%s: invalid blocksize value",
                                        name);
                                return -1;
                        }
@@ -887,8 +851,8 @@ rte_eth_from_packet(struct rte_vdev_device *dev,
                if (strstr(pair->key, ETH_AF_PACKET_FRAMESIZE_ARG) != NULL) {
                        framesize = atoi(pair->value);
                        if (!framesize) {
-                               RTE_LOG(ERR, PMD,
-                                       "%s: invalid framesize value\n",
+                               PMD_LOG(ERR,
+                                       "%s: invalid framesize value",
                                        name);
                                return -1;
                        }
@@ -897,8 +861,8 @@ rte_eth_from_packet(struct rte_vdev_device *dev,
                if (strstr(pair->key, ETH_AF_PACKET_FRAMECOUNT_ARG) != NULL) {
                        framecount = atoi(pair->value);
                        if (!framecount) {
-                               RTE_LOG(ERR, PMD,
-                                       "%s: invalid framecount value\n",
+                               PMD_LOG(ERR,
+                                       "%s: invalid framecount value",
                                        name);
                                return -1;
                        }
@@ -907,8 +871,8 @@ rte_eth_from_packet(struct rte_vdev_device *dev,
                if (strstr(pair->key, ETH_AF_PACKET_QDISC_BYPASS_ARG) != NULL) {
                        qdisc_bypass = atoi(pair->value);
                        if (qdisc_bypass > 1) {
-                               RTE_LOG(ERR, PMD,
-                                       "%s: invalid bypass value\n",
+                               PMD_LOG(ERR,
+                                       "%s: invalid bypass value",
                                        name);
                                return -1;
                        }
@@ -917,24 +881,24 @@ rte_eth_from_packet(struct rte_vdev_device *dev,
        }
 
        if (framesize > blocksize) {
-               RTE_LOG(ERR, PMD,
-                       "%s: AF_PACKET MMAP frame size exceeds block size!\n",
+               PMD_LOG(ERR,
+                       "%s: AF_PACKET MMAP frame size exceeds block size!",
                        name);
                return -1;
        }
 
        blockcount = framecount / (blocksize / framesize);
        if (!blockcount) {
-               RTE_LOG(ERR, PMD,
-                       "%s: invalid AF_PACKET MMAP parameters\n", name);
+               PMD_LOG(ERR,
+                       "%s: invalid AF_PACKET MMAP parameters", name);
                return -1;
        }
 
-       RTE_LOG(INFO, PMD, "%s: AF_PACKET MMAP parameters:\n", name);
-       RTE_LOG(INFO, PMD, "%s:\tblock size %d\n", name, blocksize);
-       RTE_LOG(INFO, PMD, "%s:\tblock count %d\n", name, blockcount);
-       RTE_LOG(INFO, PMD, "%s:\tframe size %d\n", name, framesize);
-       RTE_LOG(INFO, PMD, "%s:\tframe count %d\n", name, framecount);
+       PMD_LOG(INFO, "%s: AF_PACKET MMAP parameters:", name);
+       PMD_LOG(INFO, "%s:\tblock size %d", name, blocksize);
+       PMD_LOG(INFO, "%s:\tblock count %d", name, blockcount);
+       PMD_LOG(INFO, "%s:\tframe size %d", name, framesize);
+       PMD_LOG(INFO, "%s:\tframe count %d", name, framecount);
 
        if (rte_pmd_init_internals(dev, *sockfd, qpairs,
                                   blocksize, blockcount,
@@ -947,6 +911,7 @@ rte_eth_from_packet(struct rte_vdev_device *dev,
        eth_dev->rx_pkt_burst = eth_af_packet_rx;
        eth_dev->tx_pkt_burst = eth_af_packet_tx;
 
+       rte_eth_dev_probing_finish(eth_dev);
        return 0;
 }
 
@@ -956,9 +921,23 @@ rte_pmd_af_packet_probe(struct rte_vdev_device *dev)
        int ret = 0;
        struct rte_kvargs *kvlist;
        int sockfd = -1;
+       struct rte_eth_dev *eth_dev;
+       const char *name = rte_vdev_device_name(dev);
 
-       RTE_LOG(INFO, PMD, "Initializing pmd_af_packet for %s\n",
-               rte_vdev_device_name(dev));
+       PMD_LOG(INFO, "Initializing pmd_af_packet for %s", name);
+
+       if (rte_eal_process_type() == RTE_PROC_SECONDARY) {
+               eth_dev = rte_eth_dev_attach_secondary(name);
+               if (!eth_dev) {
+                       PMD_LOG(ERR, "Failed to probe %s", name);
+                       return -1;
+               }
+               /* TODO: request info from primary to set up Rx and Tx */
+               eth_dev->dev_ops = &ops;
+               eth_dev->device = &dev->device;
+               rte_eth_dev_probing_finish(eth_dev);
+               return 0;
+       }
 
        kvlist = rte_kvargs_parse(rte_vdev_device_args(dev), valid_arguments);
        if (kvlist == NULL) {
@@ -996,8 +975,8 @@ rte_pmd_af_packet_remove(struct rte_vdev_device *dev)
        struct pmd_internals *internals;
        unsigned q;
 
-       RTE_LOG(INFO, PMD, "Closing AF_PACKET ethdev on numa socket %u\n",
-                       rte_socket_id());
+       PMD_LOG(INFO, "Closing AF_PACKET ethdev on numa socket %u",
+               rte_socket_id());
 
        if (dev == NULL)
                return -1;
@@ -1007,6 +986,12 @@ rte_pmd_af_packet_remove(struct rte_vdev_device *dev)
        if (eth_dev == NULL)
                return -1;
 
+       /* mac_addrs must not be freed alone because part of dev_private */
+       eth_dev->data->mac_addrs = NULL;
+
+       if (rte_eal_process_type() != RTE_PROC_PRIMARY)
+               return rte_eth_dev_release_port(eth_dev);
+
        internals = eth_dev->data->dev_private;
        for (q = 0; q < internals->nb_queues; q++) {
                rte_free(internals->rx_queue[q].rd);
@@ -1014,9 +999,6 @@ rte_pmd_af_packet_remove(struct rte_vdev_device *dev)
        }
        free(internals->if_name);
 
-       rte_free(eth_dev->data->dev_private);
-       rte_free(eth_dev->data);
-
        rte_eth_dev_release_port(eth_dev);
 
        return 0;
@@ -1036,3 +1018,10 @@ RTE_PMD_REGISTER_PARAM_STRING(net_af_packet,
        "framesz=<int> "
        "framecnt=<int> "
        "qdisc_bypass=<0|1>");
+
+RTE_INIT(af_packet_init_log)
+{
+       af_packet_logtype = rte_log_register("pmd.net.packet");
+       if (af_packet_logtype >= 0)
+               rte_log_set_level(af_packet_logtype, RTE_LOG_NOTICE);
+}