net: add rte prefix to ether structures
[dpdk.git] / drivers / net / failsafe / failsafe.c
index fa279cb..8f7d911 100644 (file)
@@ -3,6 +3,8 @@
  * Copyright 2017 Mellanox Technologies, Ltd
  */
 
+#include <stdbool.h>
+
 #include <rte_alarm.h>
 #include <rte_malloc.h>
 #include <rte_ethdev_driver.h>
@@ -13,6 +15,8 @@
 
 #include "failsafe_private.h"
 
+int failsafe_logtype;
+
 const char pmd_failsafe_driver_name[] = FAILSAFE_DRIVER_NAME;
 static const struct rte_eth_link eth_link = {
        .link_speed = ETH_SPEED_NUM_10G,
@@ -28,6 +32,8 @@ fs_sub_device_alloc(struct rte_eth_dev *dev,
        uint8_t nb_subs;
        int ret;
        int i;
+       struct sub_device *sdev;
+       uint8_t sdev_iterator;
 
        ret = failsafe_args_count_subdevice(dev, params);
        if (ret)
@@ -49,6 +55,10 @@ fs_sub_device_alloc(struct rte_eth_dev *dev,
        for (i = 1; i < nb_subs; i++)
                PRIV(dev)->subs[i - 1].next = PRIV(dev)->subs + i;
        PRIV(dev)->subs[i - 1].next = PRIV(dev)->subs;
+
+       FOREACH_SUBDEV(sdev, sdev_iterator, dev) {
+               sdev->sdev_port_id = RTE_MAX_ETHPORTS;
+       }
        return 0;
 }
 
@@ -69,7 +79,7 @@ failsafe_hotplug_alarm_install(struct rte_eth_dev *dev)
                return -EINVAL;
        if (PRIV(dev)->pending_alarm)
                return 0;
-       ret = rte_eal_alarm_set(hotplug_poll * 1000,
+       ret = rte_eal_alarm_set(failsafe_hotplug_poll * 1000,
                                fs_hotplug_alarm,
                                dev);
        if (ret) {
@@ -156,7 +166,7 @@ static int
 fs_eth_dev_create(struct rte_vdev_device *vdev)
 {
        struct rte_eth_dev *dev;
-       struct ether_addr *mac;
+       struct rte_ether_addr *mac;
        struct fs_priv *priv;
        struct sub_device *sdev;
        const char *params;
@@ -179,7 +189,7 @@ fs_eth_dev_create(struct rte_vdev_device *vdev)
                return -1;
        }
        priv = PRIV(dev);
-       priv->dev = dev;
+       priv->data = dev->data;
        dev->dev_ops = &failsafe_ops;
        dev->data->mac_addrs = &PRIV(dev)->mac_addrs[0];
        dev->data->dev_link = eth_link;
@@ -202,19 +212,28 @@ fs_eth_dev_create(struct rte_vdev_device *vdev)
        }
        snprintf(priv->my_owner.name, sizeof(priv->my_owner.name),
                 FAILSAFE_OWNER_NAME);
+       DEBUG("Failsafe port %u owner info: %s_%016"PRIX64, dev->data->port_id,
+             priv->my_owner.name, priv->my_owner.id);
+       ret = rte_eth_dev_callback_register(RTE_ETH_ALL, RTE_ETH_EVENT_NEW,
+                                           failsafe_eth_new_event_callback,
+                                           dev);
+       if (ret) {
+               ERROR("Failed to register NEW callback");
+               goto free_args;
+       }
        ret = failsafe_eal_init(dev);
        if (ret)
-               goto free_args;
+               goto unregister_new_callback;
        ret = fs_mutex_init(priv);
        if (ret)
-               goto free_args;
+               goto unregister_new_callback;
        ret = failsafe_hotplug_alarm_install(dev);
        if (ret) {
                ERROR("Could not set up plug-in event detection");
-               goto free_args;
+               goto unregister_new_callback;
        }
        mac = &dev->data->mac_addrs[0];
-       if (mac_from_arg) {
+       if (failsafe_mac_from_arg) {
                /*
                 * If MAC address was provided as a parameter,
                 * apply to all probed slaves.
@@ -224,7 +243,7 @@ fs_eth_dev_create(struct rte_vdev_device *vdev)
                                                               mac);
                        if (ret) {
                                ERROR("Failed to set default MAC address");
-                               goto free_args;
+                               goto cancel_alarm;
                        }
                }
        } else {
@@ -257,13 +276,20 @@ fs_eth_dev_create(struct rte_vdev_device *vdev)
                .fd = -1,
                .type = RTE_INTR_HANDLE_EXT,
        };
+       rte_eth_dev_probing_finish(dev);
        return 0;
+cancel_alarm:
+       failsafe_hotplug_alarm_cancel(dev);
+unregister_new_callback:
+       rte_eth_dev_callback_unregister(RTE_ETH_ALL, RTE_ETH_EVENT_NEW,
+                                       failsafe_eth_new_event_callback, dev);
 free_args:
        failsafe_args_free(dev);
 free_subs:
        fs_sub_device_free(dev);
 free_dev:
-       rte_free(PRIV(dev));
+       /* mac_addrs must not be freed alone because part of dev_private */
+       dev->data->mac_addrs = NULL;
        rte_eth_dev_release_port(dev);
        return -1;
 }
@@ -277,6 +303,8 @@ fs_rte_eth_free(const char *name)
        dev = rte_eth_dev_allocated(name);
        if (dev == NULL)
                return -ENODEV;
+       rte_eth_dev_callback_unregister(RTE_ETH_ALL, RTE_ETH_EVENT_NEW,
+                                       failsafe_eth_new_event_callback, dev);
        ret = failsafe_eal_uninit(dev);
        if (ret)
                ERROR("Error while uninitializing sub-EAL");
@@ -285,19 +313,78 @@ fs_rte_eth_free(const char *name)
        ret = pthread_mutex_destroy(&PRIV(dev)->hotplug_mutex);
        if (ret)
                ERROR("Error while destroying hotplug mutex");
-       rte_free(PRIV(dev));
+       rte_free(PRIV(dev)->mcast_addrs);
+       /* mac_addrs must not be freed alone because part of dev_private */
+       dev->data->mac_addrs = NULL;
        rte_eth_dev_release_port(dev);
        return ret;
 }
 
+static bool
+devargs_already_listed(struct rte_devargs *devargs)
+{
+       struct rte_devargs *list_da;
+
+       RTE_EAL_DEVARGS_FOREACH(devargs->bus->name, list_da) {
+               if (strcmp(list_da->name, devargs->name) == 0)
+                       /* devargs already in the list */
+                       return true;
+       }
+       return false;
+}
+
 static int
 rte_pmd_failsafe_probe(struct rte_vdev_device *vdev)
 {
        const char *name;
+       struct rte_eth_dev *eth_dev;
+       struct sub_device  *sdev;
+       struct rte_devargs devargs;
+       uint8_t i;
+       int ret;
 
        name = rte_vdev_device_name(vdev);
        INFO("Initializing " FAILSAFE_DRIVER_NAME " for %s",
                        name);
+
+       if (rte_eal_process_type() == RTE_PROC_SECONDARY &&
+           strlen(rte_vdev_device_args(vdev)) == 0) {
+               eth_dev = rte_eth_dev_attach_secondary(name);
+               if (!eth_dev) {
+                       ERROR("Failed to probe %s", name);
+                       return -1;
+               }
+               eth_dev->dev_ops = &failsafe_ops;
+               eth_dev->device = &vdev->device;
+               eth_dev->rx_pkt_burst = (eth_rx_burst_t)&failsafe_rx_burst;
+               eth_dev->tx_pkt_burst = (eth_tx_burst_t)&failsafe_tx_burst;
+               /*
+                * Failsafe will attempt to probe all of its sub-devices.
+                * Any failure in sub-devices is not a fatal error.
+                * A sub-device can be plugged later.
+                */
+               FOREACH_SUBDEV(sdev, i, eth_dev) {
+                       /* rebuild devargs to be able to get the bus name. */
+                       ret = rte_devargs_parse(&devargs,
+                                               sdev->devargs.name);
+                       if (ret != 0) {
+                               ERROR("Failed to parse devargs %s",
+                                       devargs.name);
+                               continue;
+                       }
+                       if (!devargs_already_listed(&devargs)) {
+                               ret = rte_dev_probe(devargs.name);
+                               if (ret != 0) {
+                                       ERROR("Failed to probe devargs %s",
+                                             devargs.name);
+                                       continue;
+                               }
+                       }
+               }
+               rte_eth_dev_probing_finish(eth_dev);
+               return 0;
+       }
+
        return fs_eth_dev_create(vdev);
 }
 
@@ -318,3 +405,10 @@ static struct rte_vdev_driver failsafe_drv = {
 
 RTE_PMD_REGISTER_VDEV(net_failsafe, failsafe_drv);
 RTE_PMD_REGISTER_PARAM_STRING(net_failsafe, PMD_FAILSAFE_PARAM_STRING);
+
+RTE_INIT(failsafe_init_log)
+{
+       failsafe_logtype = rte_log_register("pmd.net.failsafe");
+       if (failsafe_logtype >= 0)
+               rte_log_set_level(failsafe_logtype, RTE_LOG_NOTICE);
+}