net: add rte prefix to ether structures
[dpdk.git] / drivers / net / null / rte_eth_null.c
index 863fcc7..7683511 100644 (file)
  */
 
 #include <rte_mbuf.h>
-#include <rte_ethdev.h>
+#include <rte_ethdev_driver.h>
+#include <rte_ethdev_vdev.h>
 #include <rte_malloc.h>
 #include <rte_memcpy.h>
-#include <rte_vdev.h>
+#include <rte_bus_vdev.h>
 #include <rte_kvargs.h>
 #include <rte_spinlock.h>
 
@@ -48,7 +49,6 @@ static unsigned default_packet_copy;
 static const char *valid_arguments[] = {
        ETH_NULL_PACKET_SIZE_ARG,
        ETH_NULL_PACKET_COPY_ARG,
-       "driver",
        NULL
 };
 
@@ -68,11 +68,12 @@ struct null_queue {
 struct pmd_internals {
        unsigned packet_size;
        unsigned packet_copy;
-       uint8_t port_id;
+       uint16_t port_id;
 
        struct null_queue rx_null_queues[RTE_MAX_QUEUES_PER_PORT];
        struct null_queue tx_null_queues[RTE_MAX_QUEUES_PER_PORT];
 
+       struct rte_ether_addr eth_addr;
        /** Bit mask of RSS offloads, the bit offset also means flow type */
        uint64_t flow_type_rss_offloads;
 
@@ -84,16 +85,19 @@ struct pmd_internals {
 
        uint8_t rss_key[40];                /**< 40-byte hash key. */
 };
-
-
-static struct ether_addr eth_addr = { .addr_bytes = {0} };
 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_autoneg = ETH_LINK_FIXED,
 };
 
+static int eth_null_logtype;
+
+#define PMD_LOG(level, fmt, args...) \
+       rte_log(RTE_LOG_ ## level, eth_null_logtype, \
+               "%s(): " fmt "\n", __func__, ##args)
+
 static uint16_t
 eth_null_rx(void *q, struct rte_mbuf **bufs, uint16_t nb_bufs)
 {
@@ -105,10 +109,10 @@ eth_null_rx(void *q, struct rte_mbuf **bufs, uint16_t nb_bufs)
                return 0;
 
        packet_size = h->internals->packet_size;
+       if (rte_pktmbuf_alloc_bulk(h->mb_pool, bufs, nb_bufs) != 0)
+               return 0;
+
        for (i = 0; i < nb_bufs; i++) {
-               bufs[i] = rte_pktmbuf_alloc(h->mb_pool);
-               if (!bufs[i])
-                       break;
                bufs[i]->data_len = (uint16_t)packet_size;
                bufs[i]->pkt_len = packet_size;
                bufs[i]->port = h->internals->port_id;
@@ -130,16 +134,14 @@ eth_null_copy_rx(void *q, struct rte_mbuf **bufs, uint16_t nb_bufs)
                return 0;
 
        packet_size = h->internals->packet_size;
+       if (rte_pktmbuf_alloc_bulk(h->mb_pool, bufs, nb_bufs) != 0)
+               return 0;
+
        for (i = 0; i < nb_bufs; i++) {
-               bufs[i] = rte_pktmbuf_alloc(h->mb_pool);
-               if (!bufs[i])
-                       break;
                rte_memcpy(rte_pktmbuf_mtod(bufs[i], void *), h->dummy_packet,
                                        packet_size);
                bufs[i]->data_len = (uint16_t)packet_size;
                bufs[i]->pkt_len = packet_size;
-               bufs[i]->nb_segs = 1;
-               bufs[i]->next = NULL;
                bufs[i]->port = h->internals->port_id;
        }
 
@@ -280,6 +282,11 @@ eth_tx_queue_setup(struct rte_eth_dev *dev, uint16_t tx_queue_id,
        return 0;
 }
 
+static int
+eth_mtu_set(struct rte_eth_dev *dev __rte_unused, uint16_t mtu __rte_unused)
+{
+       return 0;
+}
 
 static void
 eth_dev_info(struct rte_eth_dev *dev,
@@ -300,7 +307,7 @@ eth_dev_info(struct rte_eth_dev *dev,
        dev_info->flow_type_rss_offloads = internals->flow_type_rss_offloads;
 }
 
-static void
+static int
 eth_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *igb_stats)
 {
        unsigned i, num_stats;
@@ -308,7 +315,7 @@ eth_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *igb_stats)
        const struct pmd_internals *internal;
 
        if ((dev == NULL) || (igb_stats == NULL))
-               return;
+               return -EINVAL;
 
        internal = dev->data->dev_private;
        num_stats = RTE_MIN((unsigned)RTE_ETHDEV_QUEUE_STAT_CNTRS,
@@ -335,6 +342,8 @@ eth_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *igb_stats)
        igb_stats->ipackets = rx_total;
        igb_stats->opackets = tx_total;
        igb_stats->oerrors = tx_err_total;
+
+       return 0;
 }
 
 static void
@@ -456,6 +465,13 @@ eth_rss_hash_conf_get(struct rte_eth_dev *dev,
        return 0;
 }
 
+static int
+eth_mac_address_set(__rte_unused struct rte_eth_dev *dev,
+                   __rte_unused struct rte_ether_addr *addr)
+{
+       return 0;
+}
+
 static const struct eth_dev_ops ops = {
        .dev_start = eth_dev_start,
        .dev_stop = eth_dev_stop,
@@ -465,7 +481,9 @@ static const struct eth_dev_ops ops = {
        .tx_queue_setup = eth_tx_queue_setup,
        .rx_queue_release = eth_queue_release,
        .tx_queue_release = eth_queue_release,
+       .mtu_set = eth_mtu_set,
        .link_update = eth_link_update,
+       .mac_addr_set = eth_mac_address_set,
        .stats_get = eth_stats_get,
        .stats_reset = eth_stats_reset,
        .reta_update = eth_rss_reta_update,
@@ -477,14 +495,13 @@ static const struct eth_dev_ops ops = {
 static struct rte_vdev_driver pmd_null_drv;
 
 static int
-eth_dev_null_create(const char *name,
-               const unsigned numa_node,
+eth_dev_null_create(struct rte_vdev_device *dev,
                unsigned packet_size,
                unsigned packet_copy)
 {
        const unsigned nb_rx_queues = 1;
        const unsigned nb_tx_queues = 1;
-       struct rte_eth_dev_data *data = NULL;
+       struct rte_eth_dev_data *data;
        struct pmd_internals *internals = NULL;
        struct rte_eth_dev *eth_dev = NULL;
 
@@ -495,27 +512,15 @@ eth_dev_null_create(const char *name,
                0xBE, 0xAC, 0x01, 0xFA
        };
 
-       if (name == NULL)
-               return -EINVAL;
-
-       RTE_LOG(INFO, PMD, "Creating null ethdev on numa socket %u\n",
-                       numa_node);
+       if (dev->device.numa_node == SOCKET_ID_ANY)
+               dev->device.numa_node = rte_socket_id();
 
-       /* 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;
-
-       internals = rte_zmalloc_socket(name, sizeof(*internals), 0, numa_node);
-       if (internals == NULL)
-               goto error;
+       PMD_LOG(INFO, "Creating null ethdev on numa socket %u",
+               dev->device.numa_node);
 
-       /* reserve an ethdev entry */
-       eth_dev = rte_eth_dev_allocate(name);
-       if (eth_dev == NULL)
-               goto error;
+       eth_dev = rte_eth_vdev_allocate(dev, sizeof(*internals));
+       if (!eth_dev)
+               return -ENOMEM;
 
        /* now put it all together
         * - store queue data in internals,
@@ -526,32 +531,25 @@ eth_dev_null_create(const char *name,
        /* NOTE: we'll replace the data element, of originally allocated eth_dev
         * so the nulls are local per-process */
 
+       internals = eth_dev->data->dev_private;
        internals->packet_size = packet_size;
        internals->packet_copy = packet_copy;
        internals->port_id = eth_dev->data->port_id;
+       eth_random_addr(internals->eth_addr.addr_bytes);
 
        internals->flow_type_rss_offloads =  ETH_RSS_PROTO_MASK;
        internals->reta_size = RTE_DIM(internals->reta_conf) * RTE_RETA_GROUP_SIZE;
 
        rte_memcpy(internals->rss_key, default_rss_key, 40);
 
-       data->dev_private = internals;
-       data->port_id = eth_dev->data->port_id;
+       data = eth_dev->data;
        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 = &eth_addr;
-       strncpy(data->name, eth_dev->data->name, strlen(eth_dev->data->name));
+       data->mac_addrs = &internals->eth_addr;
 
-       eth_dev->data = data;
        eth_dev->dev_ops = &ops;
 
-       eth_dev->driver = NULL;
-       data->dev_flags = RTE_ETH_DEV_DETACHABLE;
-       data->kdrv = RTE_KDRV_NONE;
-       data->drv_name = pmd_null_drv.driver.name;
-       data->numa_node = numa_node;
-
        /* finally assign rx and tx ops */
        if (packet_copy) {
                eth_dev->rx_pkt_burst = eth_null_copy_rx;
@@ -561,13 +559,8 @@ eth_dev_null_create(const char *name,
                eth_dev->tx_pkt_burst = eth_null_tx;
        }
 
+       rte_eth_dev_probing_finish(eth_dev);
        return 0;
-
-error:
-       rte_free(data);
-       rte_free(internals);
-
-       return -1;
 }
 
 static inline int
@@ -608,10 +601,10 @@ static int
 rte_pmd_null_probe(struct rte_vdev_device *dev)
 {
        const char *name, *params;
-       unsigned numa_node;
        unsigned packet_size = default_packet_size;
        unsigned packet_copy = default_packet_copy;
        struct rte_kvargs *kvlist = NULL;
+       struct rte_eth_dev *eth_dev;
        int ret;
 
        if (!dev)
@@ -619,9 +612,20 @@ rte_pmd_null_probe(struct rte_vdev_device *dev)
 
        name = rte_vdev_device_name(dev);
        params = rte_vdev_device_args(dev);
-       RTE_LOG(INFO, PMD, "Initializing pmd_null for %s\n", name);
+       PMD_LOG(INFO, "Initializing pmd_null for %s", name);
 
-       numa_node = rte_socket_id();
+       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;
+       }
 
        if (params != NULL) {
                kvlist = rte_kvargs_parse(params, valid_arguments);
@@ -647,11 +651,11 @@ rte_pmd_null_probe(struct rte_vdev_device *dev)
                }
        }
 
-       RTE_LOG(INFO, PMD, "Configure pmd_null: packet size is %d, "
-                       "packet copy is %s\n", packet_size,
+       PMD_LOG(INFO, "Configure pmd_null: packet size is %d, "
+                       "packet copy is %s", packet_size,
                        packet_copy ? "enabled" : "disabled");
 
-       ret = eth_dev_null_create(name, numa_node, packet_size, packet_copy);
+       ret = eth_dev_null_create(dev, packet_size, packet_copy);
 
 free_kvlist:
        if (kvlist)
@@ -667,7 +671,7 @@ rte_pmd_null_remove(struct rte_vdev_device *dev)
        if (!dev)
                return -EINVAL;
 
-       RTE_LOG(INFO, PMD, "Closing null ethdev on numa socket %u\n",
+       PMD_LOG(INFO, "Closing null ethdev on numa socket %u",
                        rte_socket_id());
 
        /* find the ethdev entry */
@@ -675,8 +679,9 @@ rte_pmd_null_remove(struct rte_vdev_device *dev)
        if (eth_dev == NULL)
                return -1;
 
-       rte_free(eth_dev->data->dev_private);
-       rte_free(eth_dev->data);
+       if (rte_eal_process_type() == RTE_PROC_PRIMARY)
+               /* 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);
 
@@ -693,3 +698,10 @@ RTE_PMD_REGISTER_ALIAS(net_null, eth_null);
 RTE_PMD_REGISTER_PARAM_STRING(net_null,
        "size=<int> "
        "copy=<int>");
+
+RTE_INIT(eth_null_init_log)
+{
+       eth_null_logtype = rte_log_register("pmd.net.null");
+       if (eth_null_logtype >= 0)
+               rte_log_set_level(eth_null_logtype, RTE_LOG_NOTICE);
+}