net: align ethdev and eal driver names
[dpdk.git] / drivers / net / bonding / rte_eth_bond_api.c
index 0681d1a..f552d96 100644 (file)
@@ -1,7 +1,7 @@
 /*-
  *   BSD LICENSE
  *
- *   Copyright(c) 2010-2015 Intel Corporation. All rights reserved.
+ *   Copyright(c) 2010-2016 Intel Corporation. All rights reserved.
  *   All rights reserved.
  *
  *   Redistribution and use in source and binary forms, with or without
@@ -37,6 +37,7 @@
 #include <rte_malloc.h>
 #include <rte_ethdev.h>
 #include <rte_tcp.h>
+#include <rte_vdev.h>
 
 #include "rte_eth_bond.h"
 #include "rte_eth_bond_private.h"
 #define DEFAULT_POLLING_INTERVAL_10_MS (10)
 
 int
-valid_bonded_ethdev(const struct rte_eth_dev *eth_dev)
+check_for_bonded_ethdev(const struct rte_eth_dev *eth_dev)
 {
        /* Check valid pointer */
-       if (eth_dev->driver->pci_drv.name == NULL)
+       if (eth_dev->data->drv_name == NULL)
                return -1;
 
        /* return 0 if driver name matches */
-       return eth_dev->driver->pci_drv.name != pmd_bond_driver_name;
+       return eth_dev->data->drv_name != pmd_bond_drv.driver.name;
 }
 
 int
 valid_bonded_port_id(uint8_t port_id)
 {
-       if (!rte_eth_dev_is_valid_port(port_id))
-               return -1;
-
-       return valid_bonded_ethdev(&rte_eth_devices[port_id]);
+       RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
+       return check_for_bonded_ethdev(&rte_eth_devices[port_id]);
 }
 
 int
 valid_slave_port_id(uint8_t port_id)
 {
-       /* Verify that port id's are valid */
-       if (!rte_eth_dev_is_valid_port(port_id))
-               return -1;
+       RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
 
        /* Verify that port_id refers to a non bonded port */
-       if (!valid_bonded_ethdev(&rte_eth_devices[port_id]))
+       if (check_for_bonded_ethdev(&rte_eth_devices[port_id]) == 0)
                return -1;
 
        return 0;
@@ -93,7 +90,7 @@ activate_slave(struct rte_eth_dev *eth_dev, uint8_t port_id)
                internals->tlb_slaves_order[active_count] = port_id;
        }
 
-       RTE_VERIFY(internals->active_slave_count <
+       RTE_ASSERT(internals->active_slave_count <
                        (RTE_DIM(internals->active_slaves) - 1));
 
        internals->active_slaves[internals->active_slave_count] = port_id;
@@ -132,7 +129,7 @@ deactivate_slave(struct rte_eth_dev *eth_dev, uint8_t port_id)
                                        sizeof(internals->active_slaves[0]));
        }
 
-       RTE_VERIFY(active_count < RTE_DIM(internals->active_slaves));
+       RTE_ASSERT(active_count < RTE_DIM(internals->active_slaves));
        internals->active_slave_count = active_count;
 
        if (eth_dev->data->dev_started) {
@@ -163,30 +160,12 @@ number_of_sockets(void)
        return ++sockets;
 }
 
-const char pmd_bond_driver_name[] = "rte_bond_pmd";
-
-static struct rte_pci_id pci_id_table = {
-       .device_id = PCI_ANY_ID,
-       .subsystem_device_id = PCI_ANY_ID,
-       .vendor_id = PCI_ANY_ID,
-       .subsystem_vendor_id = PCI_ANY_ID,
-};
-
-static struct eth_driver rte_bond_pmd = {
-       .pci_drv = {
-               .name = pmd_bond_driver_name,
-               .drv_flags = RTE_PCI_DRV_INTR_LSC | RTE_PCI_DRV_DETACHABLE,
-               .id_table = &pci_id_table,
-       },
-};
-
 int
 rte_eth_bond_create(const char *name, uint8_t mode, uint8_t socket_id)
 {
-       struct rte_pci_device *pci_dev = NULL;
        struct bond_dev_private *internals = NULL;
        struct rte_eth_dev *eth_dev = NULL;
-       struct rte_pci_driver *pci_drv = NULL;
+       uint32_t vlan_filter_bmp_size;
 
        /* now do all data allocation - for eth_dev structure, dummy pci driver
         * and internal (private) data
@@ -203,14 +182,6 @@ rte_eth_bond_create(const char *name, uint8_t mode, uint8_t socket_id)
                goto err;
        }
 
-       pci_dev = rte_zmalloc_socket(name, sizeof(*pci_dev), 0, socket_id);
-       if (pci_dev == NULL) {
-               RTE_BOND_LOG(ERR, "Unable to malloc pci dev on socket");
-               goto err;
-       }
-
-       pci_drv = &rte_bond_pmd.pci_drv;
-
        internals = rte_zmalloc_socket(name, sizeof(*internals), 0, socket_id);
        if (internals == NULL) {
                RTE_BOND_LOG(ERR, "Unable to malloc internals on socket");
@@ -218,25 +189,16 @@ rte_eth_bond_create(const char *name, uint8_t mode, uint8_t socket_id)
        }
 
        /* reserve an ethdev entry */
-       eth_dev = rte_eth_dev_allocate(name, RTE_ETH_DEV_VIRTUAL);
+       eth_dev = rte_eth_dev_allocate(name);
        if (eth_dev == NULL) {
                RTE_BOND_LOG(ERR, "Unable to allocate rte_eth_dev");
                goto err;
        }
 
-       pci_dev->numa_node = socket_id;
-       pci_drv->name = pmd_bond_driver_name;
-       pci_dev->driver = pci_drv;
-
-       eth_dev->driver = &rte_bond_pmd;
        eth_dev->data->dev_private = internals;
        eth_dev->data->nb_rx_queues = (uint16_t)1;
        eth_dev->data->nb_tx_queues = (uint16_t)1;
 
-       TAILQ_INIT(&(eth_dev->link_intr_cbs));
-
-       eth_dev->data->dev_link.link_status = 0;
-
        eth_dev->data->mac_addrs = rte_zmalloc_socket(name, ETHER_ADDR_LEN, 0,
                        socket_id);
        if (eth_dev->data->mac_addrs == NULL) {
@@ -244,19 +206,19 @@ rte_eth_bond_create(const char *name, uint8_t mode, uint8_t socket_id)
                goto err;
        }
 
-       eth_dev->data->dev_started = 0;
-       eth_dev->data->promiscuous = 0;
-       eth_dev->data->scattered_rx = 0;
-       eth_dev->data->all_multicast = 0;
-
        eth_dev->dev_ops = &default_dev_ops;
-       eth_dev->pci_dev = pci_dev;
+       eth_dev->data->dev_flags = RTE_ETH_DEV_INTR_LSC |
+               RTE_ETH_DEV_DETACHABLE;
+       eth_dev->driver = NULL;
+       eth_dev->data->kdrv = RTE_KDRV_NONE;
+       eth_dev->data->drv_name = pmd_bond_drv.driver.name;
+       eth_dev->data->numa_node =  socket_id;
 
        rte_spinlock_init(&internals->lock);
 
        internals->port_id = eth_dev->data->port_id;
        internals->mode = BONDING_MODE_INVALID;
-       internals->current_primary_port = 0;
+       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;
@@ -272,6 +234,11 @@ rte_eth_bond_create(const char *name, uint8_t mode, uint8_t socket_id)
        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));
@@ -284,10 +251,30 @@ rte_eth_bond_create(const char *name, uint8_t mode, uint8_t socket_id)
                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(pci_dev);
        rte_free(internals);
        if (eth_dev != NULL) {
                rte_free(eth_dev->data->mac_addrs);
@@ -300,6 +287,7 @@ int
 rte_eth_bond_free(const char *name)
 {
        struct rte_eth_dev *eth_dev = NULL;
+       struct bond_dev_private *internals;
 
        /* now free all data allocation - for eth_dev structure,
         * dummy pci driver and internal (private) data
@@ -310,6 +298,10 @@ rte_eth_bond_free(const char *name)
        if (eth_dev == NULL)
                return -ENODEV;
 
+       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);
@@ -319,7 +311,9 @@ rte_eth_bond_free(const char *name)
        eth_dev->rx_pkt_burst = NULL;
        eth_dev->tx_pkt_burst = NULL;
 
-       rte_free(eth_dev->pci_dev);
+       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);
 
@@ -328,46 +322,82 @@ rte_eth_bond_free(const char *name)
        return 0;
 }
 
+static int
+slave_vlan_filter_set(uint8_t bonded_port_id, uint8_t slave_port_id)
+{
+       struct rte_eth_dev *bonded_eth_dev;
+       struct bond_dev_private *internals;
+       int found;
+       int res = 0;
+       uint64_t slab = 0;
+       uint32_t pos = 0;
+       uint16_t first;
+
+       bonded_eth_dev = &rte_eth_devices[bonded_port_id];
+       if (bonded_eth_dev->data->dev_conf.rxmode.hw_vlan_filter == 0)
+               return 0;
+
+       internals = bonded_eth_dev->data->dev_private;
+       found = rte_bitmap_scan(internals->vlan_filter_bmp, &pos, &slab);
+       first = pos;
+
+       if (!found)
+               return 0;
+
+       do {
+               uint32_t i;
+               uint64_t mask;
+
+               for (i = 0, mask = 1;
+                    i < RTE_BITMAP_SLAB_BIT_SIZE;
+                    i ++, mask <<= 1) {
+                       if (unlikely(slab & mask))
+                               res = rte_eth_dev_vlan_filter(slave_port_id,
+                                                             (uint16_t)pos, 1);
+               }
+               found = rte_bitmap_scan(internals->vlan_filter_bmp,
+                                       &pos, &slab);
+       } while (found && first != pos && res == 0);
+
+       return res;
+}
+
 static int
 __eth_bond_slave_add_lock_free(uint8_t bonded_port_id, uint8_t slave_port_id)
 {
        struct rte_eth_dev *bonded_eth_dev, *slave_eth_dev;
        struct bond_dev_private *internals;
-       struct bond_dev_private *temp_internals;
        struct rte_eth_link link_props;
        struct rte_eth_dev_info dev_info;
 
-       int i, j;
-
        if (valid_slave_port_id(slave_port_id) != 0)
                return -1;
 
        bonded_eth_dev = &rte_eth_devices[bonded_port_id];
        internals = bonded_eth_dev->data->dev_private;
 
-       /* Verify that new slave device is not already a slave of another
-        * bonded device */
-       for (i = rte_eth_dev_count()-1; i >= 0; i--) {
-               if (valid_bonded_ethdev(&rte_eth_devices[i]) == 0) {
-                       temp_internals = rte_eth_devices[i].data->dev_private;
-
-                       for (j = 0; j < temp_internals->slave_count; j++) {
-                               /* Device already a slave of a bonded device */
-                               if (temp_internals->slaves[j].port_id == slave_port_id) {
-                                       RTE_BOND_LOG(ERR, "Slave port %d is already a slave",
-                                                       slave_port_id);
-                                       return -1;
-                               }
-                       }
-               }
-       }
-
        slave_eth_dev = &rte_eth_devices[slave_port_id];
+       if (slave_eth_dev->data->dev_flags & RTE_ETH_DEV_BONDED_SLAVE) {
+               RTE_BOND_LOG(ERR, "Slave device is already a slave of a bonded device");
+               return -1;
+       }
 
        /* Add slave details to bonded device */
-       slave_add(internals, slave_eth_dev);
+       slave_eth_dev->data->dev_flags |= RTE_ETH_DEV_BONDED_SLAVE;
 
        rte_eth_dev_info_get(slave_port_id, &dev_info);
+       if (dev_info.max_rx_pktlen < internals->max_rx_pktlen) {
+               RTE_BOND_LOG(ERR, "Slave (port %u) max_rx_pktlen too small",
+                            slave_port_id);
+               return -1;
+       }
+
+       slave_add(internals, slave_eth_dev);
+
+       /* We need to store slaves reta_size to be able to synchronize RETA for all
+        * slave devices even if its sizes are different.
+        */
+       internals->slaves[internals->slave_count].reta_size = dev_info.reta_size;
 
        if (internals->slave_count < 1) {
                /* if MAC is not user defined then use MAC of first slave add to
@@ -381,30 +411,41 @@ __eth_bond_slave_add_lock_free(uint8_t bonded_port_id, uint8_t slave_port_id)
 
                /* Make primary slave */
                internals->primary_port = slave_port_id;
+               internals->current_primary_port = slave_port_id;
+
+               /* Inherit queues settings from first slave */
+               internals->nb_rx_queues = slave_eth_dev->data->nb_rx_queues;
+               internals->nb_tx_queues = slave_eth_dev->data->nb_tx_queues;
+
+               internals->reta_size = dev_info.reta_size;
 
                /* Take the first dev's offload capabilities */
                internals->rx_offload_capa = dev_info.rx_offload_capa;
                internals->tx_offload_capa = dev_info.tx_offload_capa;
+               internals->flow_type_rss_offloads = dev_info.flow_type_rss_offloads;
+
+               /* Inherit first slave's max rx packet size */
+               internals->candidate_max_rx_pktlen = dev_info.max_rx_pktlen;
 
        } else {
-               /* Check slave link properties are supported if props are set,
-                * all slaves must be the same */
-               if (internals->link_props_set) {
-                       if (link_properties_valid(&(bonded_eth_dev->data->dev_link),
-                                                                         &(slave_eth_dev->data->dev_link))) {
-                               RTE_BOND_LOG(ERR,
-                                               "Slave port %d link speed/duplex not supported",
-                                               slave_port_id);
-                               return -1;
-                       }
-               } else {
-                       link_properties_set(bonded_eth_dev,
-                                       &(slave_eth_dev->data->dev_link));
-               }
                internals->rx_offload_capa &= dev_info.rx_offload_capa;
                internals->tx_offload_capa &= dev_info.tx_offload_capa;
+               internals->flow_type_rss_offloads &= dev_info.flow_type_rss_offloads;
+
+               /* RETA size is GCD of all slaves RETA sizes, so, if all sizes will be
+                * the power of 2, the lower one is GCD
+                */
+               if (internals->reta_size > dev_info.reta_size)
+                       internals->reta_size = dev_info.reta_size;
+
+               if (!internals->max_rx_pktlen &&
+                   dev_info.max_rx_pktlen < internals->candidate_max_rx_pktlen)
+                       internals->candidate_max_rx_pktlen = dev_info.max_rx_pktlen;
        }
 
+       bonded_eth_dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf &=
+                       internals->flow_type_rss_offloads;
+
        internals->slave_count++;
 
        /* Update all slave devices MACs*/
@@ -412,6 +453,7 @@ __eth_bond_slave_add_lock_free(uint8_t bonded_port_id, uint8_t slave_port_id)
 
        if (bonded_eth_dev->data->dev_started) {
                if (slave_configure(bonded_eth_dev, slave_eth_dev) != 0) {
+                       slave_eth_dev->data->dev_flags &= (~RTE_ETH_DEV_BONDED_SLAVE);
                        RTE_BOND_LOG(ERR, "rte_bond_slaves_configure: port=%d",
                                        slave_port_id);
                        return -1;
@@ -428,9 +470,21 @@ __eth_bond_slave_add_lock_free(uint8_t bonded_port_id, uint8_t slave_port_id)
        if (bonded_eth_dev->data->dev_started) {
                rte_eth_link_get_nowait(slave_port_id, &link_props);
 
-                if (link_props.link_status == 1)
-                       activate_slave(bonded_eth_dev, slave_port_id);
+                if (link_props.link_status == ETH_LINK_UP) {
+                       if (internals->active_slave_count == 0 &&
+                           !internals->user_defined_primary_port)
+                               bond_ethdev_primary_set(internals,
+                                                       slave_port_id);
+
+                       if (find_slave_by_id(internals->active_slaves,
+                                            internals->active_slave_count,
+                                            slave_port_id) == internals->active_slave_count)
+                               activate_slave(bonded_eth_dev, slave_port_id);
+               }
        }
+
+       slave_vlan_filter_set(bonded_port_id, slave_port_id);
+
        return 0;
 
 }
@@ -464,7 +518,7 @@ __eth_bond_slave_remove_lock_free(uint8_t bonded_port_id, uint8_t slave_port_id)
 {
        struct rte_eth_dev *bonded_eth_dev;
        struct bond_dev_private *internals;
-
+       struct rte_eth_dev *slave_eth_dev;
        int i, slave_idx;
 
        if (valid_slave_port_id(slave_port_id) != 0)
@@ -504,7 +558,9 @@ __eth_bond_slave_remove_lock_free(uint8_t bonded_port_id, uint8_t slave_port_id)
        mac_address_set(&rte_eth_devices[slave_port_id],
                        &(internals->slaves[slave_idx].persisted_mac_addr));
 
-       slave_remove(internals, &rte_eth_devices[slave_port_id]);
+       slave_eth_dev = &rte_eth_devices[slave_port_id];
+       slave_remove(internals, slave_eth_dev);
+       slave_eth_dev->data->dev_flags &= (~RTE_ETH_DEV_BONDED_SLAVE);
 
        /*  first slave in the active list will be the primary by default,
         *  otherwise use first device in list */
@@ -531,6 +587,10 @@ __eth_bond_slave_remove_lock_free(uint8_t bonded_port_id, uint8_t slave_port_id)
        if (internals->slave_count == 0) {
                internals->rx_offload_capa = 0;
                internals->tx_offload_capa = 0;
+               internals->flow_type_rss_offloads = ETH_RSS_PROTO_MASK;
+               internals->reta_size = 0;
+               internals->candidate_max_rx_pktlen = 0;
+               internals->max_rx_pktlen = 0;
        }
        return 0;
 }