diff options
Diffstat (limited to 'drivers/net/ethernet/ibm/ibmvnic.c')
| -rw-r--r-- | drivers/net/ethernet/ibm/ibmvnic.c | 202 |
1 files changed, 135 insertions, 67 deletions
diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c index 3dfb2d131eb7..3da680073265 100644 --- a/drivers/net/ethernet/ibm/ibmvnic.c +++ b/drivers/net/ethernet/ibm/ibmvnic.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /**************************************************************************/ /* */ /* IBM System i and System p Virtual NIC Device Driver */ @@ -6,18 +7,6 @@ /* Thomas Falcon (tlfalcon@linux.vnet.ibm.com) */ /* John Allen (jallen@linux.vnet.ibm.com) */ /* */ -/* This program is free software; you can redistribute it and/or modify */ -/* it under the terms of the GNU General Public License as published by */ -/* the Free Software Foundation; either version 2 of the License, or */ -/* (at your option) any later version. */ -/* */ -/* This program is distributed in the hope that it will be useful, */ -/* but WITHOUT ANY WARRANTY; without even the implied warranty of */ -/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */ -/* GNU General Public License for more details. */ -/* */ -/* You should have received a copy of the GNU General Public License */ -/* along with this program. */ /* */ /* This module contains the implementation of a virtual ethernet device */ /* for use with IBM i/p Series LPAR Linux. It utilizes the logical LAN */ @@ -118,8 +107,9 @@ static int init_sub_crq_irqs(struct ibmvnic_adapter *adapter); static int ibmvnic_init(struct ibmvnic_adapter *); static int ibmvnic_reset_init(struct ibmvnic_adapter *); static void release_crq_queue(struct ibmvnic_adapter *); -static int __ibmvnic_set_mac(struct net_device *netdev, struct sockaddr *p); +static int __ibmvnic_set_mac(struct net_device *, u8 *); static int init_crq_queue(struct ibmvnic_adapter *adapter); +static int send_query_phys_parms(struct ibmvnic_adapter *adapter); struct ibmvnic_stat { char name[ETH_GSTRING_LEN]; @@ -438,9 +428,10 @@ static int reset_rx_pools(struct ibmvnic_adapter *adapter) if (rx_pool->buff_size != be64_to_cpu(size_array[i])) { free_long_term_buff(adapter, &rx_pool->long_term_buff); rx_pool->buff_size = be64_to_cpu(size_array[i]); - alloc_long_term_buff(adapter, &rx_pool->long_term_buff, - rx_pool->size * - rx_pool->buff_size); + rc = alloc_long_term_buff(adapter, + &rx_pool->long_term_buff, + rx_pool->size * + rx_pool->buff_size); } else { rc = reset_long_term_buff(adapter, &rx_pool->long_term_buff); @@ -706,9 +697,9 @@ static int init_tx_pools(struct net_device *netdev) return rc; } - init_one_tx_pool(netdev, &adapter->tso_pool[i], - IBMVNIC_TSO_BUFS, - IBMVNIC_TSO_BUF_SZ); + rc = init_one_tx_pool(netdev, &adapter->tso_pool[i], + IBMVNIC_TSO_BUFS, + IBMVNIC_TSO_BUF_SZ); if (rc) { release_tx_pools(adapter); return rc; @@ -848,11 +839,7 @@ static int ibmvnic_login(struct net_device *netdev) } } while (retry); - /* handle pending MAC address changes after successful login */ - if (adapter->mac_change_pending) { - __ibmvnic_set_mac(netdev, &adapter->desired.mac); - adapter->mac_change_pending = false; - } + __ibmvnic_set_mac(netdev, adapter->mac_addr); return 0; } @@ -1114,7 +1101,6 @@ static int ibmvnic_open(struct net_device *netdev) } rc = __ibmvnic_open(netdev); - netif_carrier_on(netdev); return rc; } @@ -1685,28 +1671,40 @@ static void ibmvnic_set_multi(struct net_device *netdev) } } -static int __ibmvnic_set_mac(struct net_device *netdev, struct sockaddr *p) +static int __ibmvnic_set_mac(struct net_device *netdev, u8 *dev_addr) { struct ibmvnic_adapter *adapter = netdev_priv(netdev); - struct sockaddr *addr = p; union ibmvnic_crq crq; int rc; - if (!is_valid_ether_addr(addr->sa_data)) - return -EADDRNOTAVAIL; + if (!is_valid_ether_addr(dev_addr)) { + rc = -EADDRNOTAVAIL; + goto err; + } memset(&crq, 0, sizeof(crq)); crq.change_mac_addr.first = IBMVNIC_CRQ_CMD; crq.change_mac_addr.cmd = CHANGE_MAC_ADDR; - ether_addr_copy(&crq.change_mac_addr.mac_addr[0], addr->sa_data); + ether_addr_copy(&crq.change_mac_addr.mac_addr[0], dev_addr); init_completion(&adapter->fw_done); rc = ibmvnic_send_crq(adapter, &crq); - if (rc) - return rc; + if (rc) { + rc = -EIO; + goto err; + } + wait_for_completion(&adapter->fw_done); /* netdev->dev_addr is changed in handle_change_mac_rsp function */ - return adapter->fw_done_rc ? -EIO : 0; + if (adapter->fw_done_rc) { + rc = -EIO; + goto err; + } + + return 0; +err: + ether_addr_copy(adapter->mac_addr, netdev->dev_addr); + return rc; } static int ibmvnic_set_mac(struct net_device *netdev, void *p) @@ -1715,13 +1713,10 @@ static int ibmvnic_set_mac(struct net_device *netdev, void *p) struct sockaddr *addr = p; int rc; - if (adapter->state == VNIC_PROBED) { - memcpy(&adapter->desired.mac, addr, sizeof(struct sockaddr)); - adapter->mac_change_pending = true; - return 0; - } - - rc = __ibmvnic_set_mac(netdev, addr); + rc = 0; + ether_addr_copy(adapter->mac_addr, addr->sa_data); + if (adapter->state != VNIC_PROBED) + rc = __ibmvnic_set_mac(netdev, addr->sa_data); return rc; } @@ -1751,7 +1746,8 @@ static int do_reset(struct ibmvnic_adapter *adapter, ibmvnic_cleanup(netdev); - if (adapter->reset_reason != VNIC_RESET_MOBILITY && + if (reset_state == VNIC_OPEN && + adapter->reset_reason != VNIC_RESET_MOBILITY && adapter->reset_reason != VNIC_RESET_FAILOVER) { rc = __ibmvnic_close(netdev); if (rc) @@ -1850,6 +1846,9 @@ static int do_reset(struct ibmvnic_adapter *adapter, return 0; } + /* refresh device's multicast list */ + ibmvnic_set_multi(netdev); + /* kick napi */ for (i = 0; i < adapter->req_rx_queues; i++) napi_schedule(&adapter->napi[i]); @@ -1858,8 +1857,6 @@ static int do_reset(struct ibmvnic_adapter *adapter, adapter->reset_reason != VNIC_RESET_CHANGE_PARAM) call_netdevice_notifiers(NETDEV_NOTIFY_PEERS, netdev); - netif_carrier_on(netdev); - return 0; } @@ -1929,8 +1926,6 @@ static int do_hard_reset(struct ibmvnic_adapter *adapter, return 0; } - netif_carrier_on(netdev); - return 0; } @@ -1968,13 +1963,11 @@ static void __ibmvnic_reset(struct work_struct *work) { struct ibmvnic_rwi *rwi; struct ibmvnic_adapter *adapter; - struct net_device *netdev; bool we_lock_rtnl = false; u32 reset_state; int rc = 0; adapter = container_of(work, struct ibmvnic_adapter, ibmvnic_reset); - netdev = adapter->netdev; /* netif_set_real_num_xx_queues needs to take rtnl lock here * unless wait_for_reset is set, in which case the rtnl lock @@ -2279,23 +2272,20 @@ static const struct net_device_ops ibmvnic_netdev_ops = { static int ibmvnic_get_link_ksettings(struct net_device *netdev, struct ethtool_link_ksettings *cmd) { - u32 supported, advertising; + struct ibmvnic_adapter *adapter = netdev_priv(netdev); + int rc; - supported = (SUPPORTED_1000baseT_Full | SUPPORTED_Autoneg | - SUPPORTED_FIBRE); - advertising = (ADVERTISED_1000baseT_Full | ADVERTISED_Autoneg | - ADVERTISED_FIBRE); - cmd->base.speed = SPEED_1000; - cmd->base.duplex = DUPLEX_FULL; + rc = send_query_phys_parms(adapter); + if (rc) { + adapter->speed = SPEED_UNKNOWN; + adapter->duplex = DUPLEX_UNKNOWN; + } + cmd->base.speed = adapter->speed; + cmd->base.duplex = adapter->duplex; cmd->base.port = PORT_FIBRE; cmd->base.phy_address = 0; cmd->base.autoneg = AUTONEG_ENABLE; - ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported, - supported); - ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising, - advertising); - return 0; } @@ -2923,8 +2913,10 @@ static int init_sub_crq_irqs(struct ibmvnic_adapter *adapter) goto req_tx_irq_failed; } + snprintf(scrq->name, sizeof(scrq->name), "ibmvnic-%x-tx%d", + adapter->vdev->unit_address, i); rc = request_irq(scrq->irq, ibmvnic_interrupt_tx, - 0, "ibmvnic_tx", scrq); + 0, scrq->name, scrq); if (rc) { dev_err(dev, "Couldn't register tx irq 0x%x. rc=%d\n", @@ -2944,8 +2936,10 @@ static int init_sub_crq_irqs(struct ibmvnic_adapter *adapter) dev_err(dev, "Error mapping irq\n"); goto req_rx_irq_failed; } + snprintf(scrq->name, sizeof(scrq->name), "ibmvnic-%x-rx%d", + adapter->vdev->unit_address, i); rc = request_irq(scrq->irq, ibmvnic_interrupt_rx, - 0, "ibmvnic_rx", scrq); + 0, scrq->name, scrq); if (rc) { dev_err(dev, "Couldn't register rx irq 0x%x. rc=%d\n", scrq->irq, rc); @@ -3937,8 +3931,8 @@ static int handle_change_mac_rsp(union ibmvnic_crq *crq, dev_err(dev, "Error %ld in CHANGE_MAC_ADDR_RSP\n", rc); goto out; } - memcpy(netdev->dev_addr, &crq->change_mac_addr_rsp.mac_addr[0], - ETH_ALEN); + ether_addr_copy(netdev->dev_addr, + &crq->change_mac_addr_rsp.mac_addr[0]); out: complete(&adapter->fw_done); return rc; @@ -4297,6 +4291,73 @@ out: } } +static int send_query_phys_parms(struct ibmvnic_adapter *adapter) +{ + union ibmvnic_crq crq; + int rc; + + memset(&crq, 0, sizeof(crq)); + crq.query_phys_parms.first = IBMVNIC_CRQ_CMD; + crq.query_phys_parms.cmd = QUERY_PHYS_PARMS; + init_completion(&adapter->fw_done); + rc = ibmvnic_send_crq(adapter, &crq); + if (rc) + return rc; + wait_for_completion(&adapter->fw_done); + return adapter->fw_done_rc ? -EIO : 0; +} + +static int handle_query_phys_parms_rsp(union ibmvnic_crq *crq, + struct ibmvnic_adapter *adapter) +{ + struct net_device *netdev = adapter->netdev; + int rc; + + rc = crq->query_phys_parms_rsp.rc.code; + if (rc) { + netdev_err(netdev, "Error %d in QUERY_PHYS_PARMS\n", rc); + return rc; + } + switch (cpu_to_be32(crq->query_phys_parms_rsp.speed)) { + case IBMVNIC_10MBPS: + adapter->speed = SPEED_10; + break; + case IBMVNIC_100MBPS: + adapter->speed = SPEED_100; + break; + case IBMVNIC_1GBPS: + adapter->speed = SPEED_1000; + break; + case IBMVNIC_10GBP: + adapter->speed = SPEED_10000; + break; + case IBMVNIC_25GBPS: + adapter->speed = SPEED_25000; + break; + case IBMVNIC_40GBPS: + adapter->speed = SPEED_40000; + break; + case IBMVNIC_50GBPS: + adapter->speed = SPEED_50000; + break; + case IBMVNIC_100GBPS: + adapter->speed = SPEED_100000; + break; + default: + netdev_warn(netdev, "Unknown speed 0x%08x\n", + cpu_to_be32(crq->query_phys_parms_rsp.speed)); + adapter->speed = SPEED_UNKNOWN; + } + if (crq->query_phys_parms_rsp.flags1 & IBMVNIC_FULL_DUPLEX) + adapter->duplex = DUPLEX_FULL; + else if (crq->query_phys_parms_rsp.flags1 & IBMVNIC_HALF_DUPLEX) + adapter->duplex = DUPLEX_HALF; + else + adapter->duplex = DUPLEX_UNKNOWN; + + return rc; +} + static void ibmvnic_handle_crq(union ibmvnic_crq *crq, struct ibmvnic_adapter *adapter) { @@ -4408,6 +4469,10 @@ static void ibmvnic_handle_crq(union ibmvnic_crq *crq, crq->link_state_indication.phys_link_state; adapter->logical_link_state = crq->link_state_indication.logical_link_state; + if (adapter->phys_link_state && adapter->logical_link_state) + netif_carrier_on(netdev); + else + netif_carrier_off(netdev); break; case CHANGE_MAC_ADDR_RSP: netdev_dbg(netdev, "Got MAC address change Response\n"); @@ -4445,6 +4510,10 @@ static void ibmvnic_handle_crq(union ibmvnic_crq *crq, case GET_VPD_RSP: handle_vpd_rsp(crq, adapter); break; + case QUERY_PHYS_PARMS_RSP: + adapter->fw_done_rc = handle_query_phys_parms_rsp(crq, adapter); + complete(&adapter->fw_done); + break; default: netdev_err(netdev, "Got an invalid cmd type 0x%02x\n", gen_crq->cmd); @@ -4600,8 +4669,9 @@ static int init_crq_queue(struct ibmvnic_adapter *adapter) (unsigned long)adapter); netdev_dbg(adapter->netdev, "registering irq 0x%x\n", vdev->irq); - rc = request_irq(vdev->irq, ibmvnic_interrupt, 0, IBMVNIC_NAME, - adapter); + snprintf(crq->name, sizeof(crq->name), "ibmvnic-%x", + adapter->vdev->unit_address); + rc = request_irq(vdev->irq, ibmvnic_interrupt, 0, crq->name, adapter); if (rc) { dev_err(dev, "Couldn't register irq 0x%x. rc=%d\n", vdev->irq, rc); @@ -4780,8 +4850,6 @@ static int ibmvnic_probe(struct vio_dev *dev, const struct vio_device_id *id) init_completion(&adapter->init_done); adapter->resetting = false; - adapter->mac_change_pending = false; - do { rc = init_crq_queue(adapter); if (rc) { |