Imported Upstream version 17.05
[deb_dpdk.git] / drivers / net / bonding / rte_eth_bond_pmd.c
index a80b6fa..82959ab 100644 (file)
@@ -1,7 +1,7 @@
 /*-
  *   BSD LICENSE
  *
- *   Copyright(c) 2010-2015 Intel Corporation. All rights reserved.
+ *   Copyright(c) 2010-2017 Intel Corporation. All rights reserved.
  *   All rights reserved.
  *
  *   Redistribution and use in source and binary forms, with or without
@@ -36,6 +36,7 @@
 #include <rte_mbuf.h>
 #include <rte_malloc.h>
 #include <rte_ethdev.h>
+#include <rte_ethdev_vdev.h>
 #include <rte_tcp.h>
 #include <rte_udp.h>
 #include <rte_ip.h>
@@ -51,6 +52,7 @@
 #include "rte_eth_bond_8023ad_private.h"
 
 #define REORDER_PERIOD_MS 10
+#define DEFAULT_POLLING_INTERVAL_10_MS (10)
 
 #define HASH_L4_PORTS(h) ((h)->src_port ^ (h)->dst_port)
 
@@ -145,7 +147,7 @@ bond_ethdev_rx_burst_8023ad(void *queue, struct rte_mbuf **bufs,
        const uint16_t ether_type_slow_be = rte_be_to_cpu_16(ETHER_TYPE_SLOW);
        uint16_t num_rx_total = 0;      /* Total number of received packets */
        uint8_t slaves[RTE_MAX_ETHPORTS];
-       uint8_t slave_count;
+       uint8_t slave_count, idx;
 
        uint8_t collecting;  /* current slave collecting status */
        const uint8_t promisc = internals->promiscuous_en;
@@ -159,12 +161,18 @@ bond_ethdev_rx_burst_8023ad(void *queue, struct rte_mbuf **bufs,
        memcpy(slaves, internals->active_slaves,
                        sizeof(internals->active_slaves[0]) * slave_count);
 
+       idx = internals->active_slave;
+       if (idx >= slave_count) {
+               internals->active_slave = 0;
+               idx = 0;
+       }
        for (i = 0; i < slave_count && num_rx_total < nb_pkts; i++) {
                j = num_rx_total;
-               collecting = ACTOR_STATE(&mode_8023ad_ports[slaves[i]], COLLECTING);
+               collecting = ACTOR_STATE(&mode_8023ad_ports[slaves[idx]],
+                                        COLLECTING);
 
                /* Read packets from this slave */
-               num_rx_total += rte_eth_rx_burst(slaves[i], bd_rx_q->queue_id,
+               num_rx_total += rte_eth_rx_burst(slaves[idx], bd_rx_q->queue_id,
                                &bufs[num_rx_total], nb_pkts - num_rx_total);
 
                for (k = j; k < 2 && k < num_rx_total; k++)
@@ -187,8 +195,8 @@ bond_ethdev_rx_burst_8023ad(void *queue, struct rte_mbuf **bufs,
                                        !is_same_ether_addr(&bond_mac, &hdr->d_addr)))) {
 
                                if (hdr->ether_type == ether_type_slow_be) {
-                                       bond_mode_8023ad_handle_slow_pkt(internals, slaves[i],
-                                               bufs[j]);
+                                       bond_mode_8023ad_handle_slow_pkt(
+                                           internals, slaves[idx], bufs[j]);
                                } else
                                        rte_pktmbuf_free(bufs[j]);
 
@@ -201,8 +209,11 @@ bond_ethdev_rx_burst_8023ad(void *queue, struct rte_mbuf **bufs,
                        } else
                                j++;
                }
+               if (unlikely(++idx == slave_count))
+                       idx = 0;
        }
 
+       internals->active_slave = idx;
        return num_rx_total;
 }
 
@@ -900,7 +911,6 @@ bond_ethdev_tx_burst_alb(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts)
                }
 
                num_tx_total += num_send;
-               num_not_send += slave_bufs_pkts[RTE_MAX_ETHPORTS] - num_send;
        }
 
        return num_tx_total;
@@ -1009,7 +1019,8 @@ bond_ethdev_tx_burst_8023ad(void *queue, struct rte_mbuf **bufs,
                struct port *port = &mode_8023ad_ports[slaves[i]];
 
                slave_slow_nb_pkts[i] = rte_ring_dequeue_burst(port->tx_ring,
-                               slow_pkts, BOND_MODE_8023AX_SLAVE_TX_PKTS);
+                               slow_pkts, BOND_MODE_8023AX_SLAVE_TX_PKTS,
+                               NULL);
                slave_nb_pkts[i] = slave_slow_nb_pkts[i];
 
                for (j = 0; j < slave_slow_nb_pkts[i]; j++)
@@ -1317,8 +1328,6 @@ slave_configure(struct rte_eth_dev *bonded_eth_dev,
        struct bond_rx_queue *bd_rx_q;
        struct bond_tx_queue *bd_tx_q;
 
-       uint16_t old_nb_tx_queues = slave_eth_dev->data->nb_tx_queues;
-       uint16_t old_nb_rx_queues = slave_eth_dev->data->nb_rx_queues;
        int errval;
        uint16_t q_id;
 
@@ -1362,9 +1371,7 @@ slave_configure(struct rte_eth_dev *bonded_eth_dev,
        }
 
        /* Setup Rx Queues */
-       /* Use existing queues, if any */
-       for (q_id = old_nb_rx_queues;
-            q_id < bonded_eth_dev->data->nb_rx_queues; q_id++) {
+       for (q_id = 0; q_id < bonded_eth_dev->data->nb_rx_queues; q_id++) {
                bd_rx_q = (struct bond_rx_queue *)bonded_eth_dev->data->rx_queues[q_id];
 
                errval = rte_eth_rx_queue_setup(slave_eth_dev->data->port_id, q_id,
@@ -1380,9 +1387,7 @@ slave_configure(struct rte_eth_dev *bonded_eth_dev,
        }
 
        /* Setup Tx Queues */
-       /* Use existing queues, if any */
-       for (q_id = old_nb_tx_queues;
-            q_id < bonded_eth_dev->data->nb_tx_queues; q_id++) {
+       for (q_id = 0; q_id < bonded_eth_dev->data->nb_tx_queues; q_id++) {
                bd_tx_q = (struct bond_tx_queue *)bonded_eth_dev->data->tx_queues[q_id];
 
                errval = rte_eth_tx_queue_setup(slave_eth_dev->data->port_id, q_id,
@@ -1430,9 +1435,11 @@ slave_configure(struct rte_eth_dev *bonded_eth_dev,
        }
 
        /* If lsc interrupt is set, check initial slave's link status */
-       if (slave_eth_dev->data->dev_flags & RTE_ETH_DEV_INTR_LSC)
+       if (slave_eth_dev->data->dev_flags & RTE_ETH_DEV_INTR_LSC) {
+               slave_eth_dev->dev_ops->link_update(slave_eth_dev, 0);
                bond_ethdev_lsc_event_callback(slave_eth_dev->data->port_id,
                        RTE_ETH_EVENT_INTR_LSC, &bonded_eth_dev->data->port_id);
+       }
 
        return 0;
 }
@@ -1454,6 +1461,9 @@ slave_remove(struct bond_dev_private *internals,
                                (internals->slave_count - i - 1));
 
        internals->slave_count--;
+
+       /* force reconfiguration of slave interfaces */
+       _rte_eth_dev_reset(slave_eth_dev);
 }
 
 static void
@@ -1653,7 +1663,22 @@ void
 bond_ethdev_close(struct rte_eth_dev *dev)
 {
        struct bond_dev_private *internals = dev->data->dev_private;
+       uint8_t bond_port_id = internals->port_id;
+       int skipped = 0;
+
+       RTE_LOG(INFO, EAL, "Closing bonded device %s\n", dev->data->name);
+       while (internals->slave_count != skipped) {
+               uint8_t port_id = internals->slaves[skipped].port_id;
+
+               rte_eth_dev_stop(port_id);
 
+               if (rte_eth_bond_slave_remove(bond_port_id, port_id) != 0) {
+                       RTE_LOG(ERR, EAL,
+                               "Failed to remove port %d from bonded device "
+                               "%s\n", port_id, dev->data->name);
+                       skipped++;
+               }
+       }
        bond_ethdev_free_queues(dev);
        rte_bitmap_reset(internals->vlan_filter_bmp);
 }
@@ -1668,14 +1693,14 @@ bond_ethdev_info(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
 
        dev_info->max_mac_addrs = 1;
 
-       dev_info->max_rx_pktlen = internals->candidate_max_rx_pktlen ?
-                                 internals->candidate_max_rx_pktlen : 2048;
+       dev_info->max_rx_pktlen = internals->candidate_max_rx_pktlen
+                                 ? internals->candidate_max_rx_pktlen
+                                 : ETHER_MAX_JUMBO_FRAME_LEN;
 
        dev_info->max_rx_queues = (uint16_t)128;
        dev_info->max_tx_queues = (uint16_t)512;
 
        dev_info->min_rx_bufsize = 0;
-       dev_info->pci_dev = NULL;
 
        dev_info->rx_offload_capa = internals->rx_offload_capa;
        dev_info->tx_offload_capa = internals->tx_offload_capa;
@@ -2235,16 +2260,133 @@ const struct eth_dev_ops default_dev_ops = {
 };
 
 static int
-bond_probe(const char *name, const char *params)
+bond_alloc(struct rte_vdev_device *dev, uint8_t mode)
+{
+       const char *name = rte_vdev_device_name(dev);
+       uint8_t socket_id = dev->device.numa_node;
+       struct bond_dev_private *internals = NULL;
+       struct rte_eth_dev *eth_dev = NULL;
+       uint32_t vlan_filter_bmp_size;
+
+       /* now do all data allocation - for eth_dev structure, dummy pci driver
+        * and internal (private) data
+        */
+
+       if (socket_id >= number_of_sockets()) {
+               RTE_BOND_LOG(ERR,
+                               "Invalid socket id specified to create bonded device on.");
+               goto err;
+       }
+
+       /* reserve an ethdev entry */
+       eth_dev = rte_eth_vdev_allocate(dev, sizeof(*internals));
+       if (eth_dev == NULL) {
+               RTE_BOND_LOG(ERR, "Unable to allocate rte_eth_dev");
+               goto err;
+       }
+
+       internals = eth_dev->data->dev_private;
+       eth_dev->data->nb_rx_queues = (uint16_t)1;
+       eth_dev->data->nb_tx_queues = (uint16_t)1;
+
+       eth_dev->data->mac_addrs = rte_zmalloc_socket(name, ETHER_ADDR_LEN, 0,
+                       socket_id);
+       if (eth_dev->data->mac_addrs == NULL) {
+               RTE_BOND_LOG(ERR, "Unable to malloc mac_addrs");
+               goto err;
+       }
+
+       eth_dev->dev_ops = &default_dev_ops;
+       eth_dev->data->dev_flags = RTE_ETH_DEV_INTR_LSC |
+               RTE_ETH_DEV_DETACHABLE;
+
+       rte_spinlock_init(&internals->lock);
+
+       internals->port_id = eth_dev->data->port_id;
+       internals->mode = BONDING_MODE_INVALID;
+       internals->current_primary_port = RTE_MAX_ETHPORTS + 1;
+       internals->balance_xmit_policy = BALANCE_XMIT_POLICY_LAYER2;
+       internals->xmit_hash = xmit_l2_hash;
+       internals->user_defined_mac = 0;
+       internals->link_props_set = 0;
+
+       internals->link_status_polling_enabled = 0;
+
+       internals->link_status_polling_interval_ms =
+               DEFAULT_POLLING_INTERVAL_10_MS;
+       internals->link_down_delay_ms = 0;
+       internals->link_up_delay_ms = 0;
+
+       internals->slave_count = 0;
+       internals->active_slave_count = 0;
+       internals->rx_offload_capa = 0;
+       internals->tx_offload_capa = 0;
+       internals->candidate_max_rx_pktlen = 0;
+       internals->max_rx_pktlen = 0;
+
+       /* Initially allow to choose any offload type */
+       internals->flow_type_rss_offloads = ETH_RSS_PROTO_MASK;
+
+       memset(internals->active_slaves, 0, sizeof(internals->active_slaves));
+       memset(internals->slaves, 0, sizeof(internals->slaves));
+
+       /* Set mode 4 default configuration */
+       bond_mode_8023ad_setup(eth_dev, NULL);
+       if (bond_ethdev_mode_set(eth_dev, mode)) {
+               RTE_BOND_LOG(ERR, "Failed to set bonded device %d mode too %d",
+                                eth_dev->data->port_id, mode);
+               goto err;
+       }
+
+       vlan_filter_bmp_size =
+               rte_bitmap_get_memory_footprint(ETHER_MAX_VLAN_ID + 1);
+       internals->vlan_filter_bmpmem = rte_malloc(name, vlan_filter_bmp_size,
+                                                  RTE_CACHE_LINE_SIZE);
+       if (internals->vlan_filter_bmpmem == NULL) {
+               RTE_BOND_LOG(ERR,
+                            "Failed to allocate vlan bitmap for bonded device %u\n",
+                            eth_dev->data->port_id);
+               goto err;
+       }
+
+       internals->vlan_filter_bmp = rte_bitmap_init(ETHER_MAX_VLAN_ID + 1,
+                       internals->vlan_filter_bmpmem, vlan_filter_bmp_size);
+       if (internals->vlan_filter_bmp == NULL) {
+               RTE_BOND_LOG(ERR,
+                            "Failed to init vlan bitmap for bonded device %u\n",
+                            eth_dev->data->port_id);
+               rte_free(internals->vlan_filter_bmpmem);
+               goto err;
+       }
+
+       return eth_dev->data->port_id;
+
+err:
+       rte_free(internals);
+       if (eth_dev != NULL) {
+               rte_free(eth_dev->data->mac_addrs);
+               rte_eth_dev_release_port(eth_dev);
+       }
+       return -1;
+}
+
+static int
+bond_probe(struct rte_vdev_device *dev)
 {
+       const char *name;
        struct bond_dev_private *internals;
        struct rte_kvargs *kvlist;
        uint8_t bonding_mode, socket_id;
        int  arg_count, port_id;
 
+       if (!dev)
+               return -EINVAL;
+
+       name = rte_vdev_device_name(dev);
        RTE_LOG(INFO, EAL, "Initializing pmd_bond for %s\n", name);
 
-       kvlist = rte_kvargs_parse(params, pmd_bond_init_valid_arguments);
+       kvlist = rte_kvargs_parse(rte_vdev_device_args(dev),
+               pmd_bond_init_valid_arguments);
        if (kvlist == NULL)
                return -1;
 
@@ -2281,8 +2423,10 @@ bond_probe(const char *name, const char *params)
                socket_id = rte_socket_id();
        }
 
+       dev->device.numa_node = socket_id;
+
        /* Create link bonding eth device */
-       port_id = rte_eth_bond_create(name, bonding_mode, socket_id);
+       port_id = bond_alloc(dev, bonding_mode);
        if (port_id < 0) {
                RTE_LOG(ERR, EAL, "Failed to create socket %s in mode %u on "
                                "socket %u.\n", name, bonding_mode, socket_id);
@@ -2302,21 +2446,51 @@ parse_error:
 }
 
 static int
-bond_remove(const char *name)
+bond_remove(struct rte_vdev_device *dev)
 {
-       int  ret;
+       struct rte_eth_dev *eth_dev;
+       struct bond_dev_private *internals;
+       const char *name;
 
-       if (name == NULL)
+       if (!dev)
                return -EINVAL;
 
+       name = rte_vdev_device_name(dev);
        RTE_LOG(INFO, EAL, "Uninitializing pmd_bond for %s\n", name);
 
-       /* free link bonding eth device */
-       ret = rte_eth_bond_free(name);
-       if (ret < 0)
-               RTE_LOG(ERR, EAL, "Failed to free %s\n", name);
+       /* now free all data allocation - for eth_dev structure,
+        * dummy pci driver and internal (private) data
+        */
+
+       /* find an ethdev entry */
+       eth_dev = rte_eth_dev_allocated(name);
+       if (eth_dev == NULL)
+               return -ENODEV;
+
+       RTE_ASSERT(eth_dev->device == &dev->device);
 
-       return ret;
+       internals = eth_dev->data->dev_private;
+       if (internals->slave_count != 0)
+               return -EBUSY;
+
+       if (eth_dev->data->dev_started == 1) {
+               bond_ethdev_stop(eth_dev);
+               bond_ethdev_close(eth_dev);
+       }
+
+       eth_dev->dev_ops = NULL;
+       eth_dev->rx_pkt_burst = NULL;
+       eth_dev->tx_pkt_burst = NULL;
+
+       internals = eth_dev->data->dev_private;
+       rte_bitmap_free(internals->vlan_filter_bmp);
+       rte_free(internals->vlan_filter_bmpmem);
+       rte_free(eth_dev->data->dev_private);
+       rte_free(eth_dev->data->mac_addrs);
+
+       rte_eth_dev_release_port(eth_dev);
+
+       return 0;
 }
 
 /* this part will resolve the slave portids after all the other pdev and vdev
@@ -2566,12 +2740,12 @@ bond_ethdev_configure(struct rte_eth_dev *dev)
        return 0;
 }
 
-static struct rte_vdev_driver bond_drv = {
+struct rte_vdev_driver pmd_bond_drv = {
        .probe = bond_probe,
        .remove = bond_remove,
 };
 
-RTE_PMD_REGISTER_VDEV(net_bonding, bond_drv);
+RTE_PMD_REGISTER_VDEV(net_bonding, pmd_bond_drv);
 RTE_PMD_REGISTER_ALIAS(net_bonding, eth_bond);
 
 RTE_PMD_REGISTER_PARAM_STRING(net_bonding,