diff options
Diffstat (limited to 'drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c')
-rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c | 160 |
1 files changed, 116 insertions, 44 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c index 1afee70ce856..3f60070f2519 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c @@ -283,6 +283,9 @@ static const struct pci_device_id cxgb4_pci_tbl[] = { CH_DEVICE(0x5083, 4), CH_DEVICE(0x5084, 4), CH_DEVICE(0x5085, 4), + CH_DEVICE(0x5086, 4), + CH_DEVICE(0x5087, 4), + CH_DEVICE(0x5088, 4), CH_DEVICE(0x5401, 4), CH_DEVICE(0x5402, 4), CH_DEVICE(0x5403, 4), @@ -310,6 +313,9 @@ static const struct pci_device_id cxgb4_pci_tbl[] = { CH_DEVICE(0x5483, 4), CH_DEVICE(0x5484, 4), CH_DEVICE(0x5485, 4), + CH_DEVICE(0x5486, 4), + CH_DEVICE(0x5487, 4), + CH_DEVICE(0x5488, 4), { 0, } }; @@ -643,8 +649,6 @@ static int set_rxmode(struct net_device *dev, int mtu, bool sleep_ok) return ret; } -static struct workqueue_struct *workq; - /** * link_start - enable a port * @dev: the port to enable @@ -1255,7 +1259,9 @@ freeout: t4_free_sge_resources(adap); goto freeout; } - t4_write_reg(adap, MPS_TRC_RSS_CONTROL, + t4_write_reg(adap, is_t4(adap->params.chip) ? + MPS_TRC_RSS_CONTROL : + MPS_T5_TRC_RSS_CONTROL, RSSCONTROL(netdev2pinfo(adap->port[0])->tx_chan) | QUEUENUMBER(s->ethrxq[0].rspq.abs_id)); return 0; @@ -1763,7 +1769,8 @@ static void get_regs(struct net_device *dev, struct ethtool_regs *regs, 0xd004, 0xd03c, 0xdfc0, 0xdfe0, 0xe000, 0xea7c, - 0xf000, 0x11190, + 0xf000, 0x11110, + 0x11118, 0x11190, 0x19040, 0x1906c, 0x19078, 0x19080, 0x1908c, 0x19124, @@ -1970,7 +1977,8 @@ static void get_regs(struct net_device *dev, struct ethtool_regs *regs, 0xd004, 0xd03c, 0xdfc0, 0xdfe0, 0xe000, 0x11088, - 0x1109c, 0x1117c, + 0x1109c, 0x11110, + 0x11118, 0x1117c, 0x11190, 0x11204, 0x19040, 0x1906c, 0x19078, 0x19080, @@ -2745,8 +2753,31 @@ static int set_rx_intr_params(struct net_device *dev, return 0; } +static int set_adaptive_rx_setting(struct net_device *dev, int adaptive_rx) +{ + int i; + struct port_info *pi = netdev_priv(dev); + struct adapter *adap = pi->adapter; + struct sge_eth_rxq *q = &adap->sge.ethrxq[pi->first_qset]; + + for (i = 0; i < pi->nqsets; i++, q++) + q->rspq.adaptive_rx = adaptive_rx; + + return 0; +} + +static int get_adaptive_rx_setting(struct net_device *dev) +{ + struct port_info *pi = netdev_priv(dev); + struct adapter *adap = pi->adapter; + struct sge_eth_rxq *q = &adap->sge.ethrxq[pi->first_qset]; + + return q->rspq.adaptive_rx; +} + static int set_coalesce(struct net_device *dev, struct ethtool_coalesce *c) { + set_adaptive_rx_setting(dev, c->use_adaptive_rx_coalesce); return set_rx_intr_params(dev, c->rx_coalesce_usecs, c->rx_max_coalesced_frames); } @@ -2760,6 +2791,7 @@ static int get_coalesce(struct net_device *dev, struct ethtool_coalesce *c) c->rx_coalesce_usecs = qtimer_val(adap, rq); c->rx_max_coalesced_frames = (rq->intr_params & QINTR_CNT_EN) ? adap->sge.counter_val[rq->pktcnt_idx] : 0; + c->use_adaptive_rx_coalesce = get_adaptive_rx_setting(dev); return 0; } @@ -2897,16 +2929,26 @@ static int set_flash(struct net_device *netdev, struct ethtool_flash *ef) int ret; const struct firmware *fw; struct adapter *adap = netdev2adap(netdev); + unsigned int mbox = FW_PCIE_FW_MASTER_MASK + 1; ef->data[sizeof(ef->data) - 1] = '\0'; ret = request_firmware(&fw, ef->data, adap->pdev_dev); if (ret < 0) return ret; - ret = t4_load_fw(adap, fw->data, fw->size); + /* If the adapter has been fully initialized then we'll go ahead and + * try to get the firmware's cooperation in upgrading to the new + * firmware image otherwise we'll try to do the entire job from the + * host ... and we always "force" the operation in this path. + */ + if (adap->flags & FULL_INIT_DONE) + mbox = adap->mbox; + + ret = t4_fw_upgrade(adap, mbox, fw->data, fw->size, 1); release_firmware(fw); if (!ret) - dev_info(adap->pdev_dev, "loaded firmware %s\n", ef->data); + dev_info(adap->pdev_dev, "loaded firmware %s," + " reload cxgb4 driver\n", ef->data); return ret; } @@ -3340,7 +3382,7 @@ static void cxgb4_queue_tid_release(struct tid_info *t, unsigned int chan, adap->tid_release_head = (void **)((uintptr_t)p | chan); if (!adap->tid_release_task_busy) { adap->tid_release_task_busy = true; - queue_work(workq, &adap->tid_release_task); + queue_work(adap->workq, &adap->tid_release_task); } spin_unlock_bh(&adap->tid_release_lock); } @@ -4140,7 +4182,7 @@ void t4_db_full(struct adapter *adap) notify_rdma_uld(adap, CXGB4_CONTROL_DB_FULL); t4_set_reg_field(adap, SGE_INT_ENABLE3, DBFIFO_HP_INT | DBFIFO_LP_INT, 0); - queue_work(workq, &adap->db_full_task); + queue_work(adap->workq, &adap->db_full_task); } } @@ -4150,7 +4192,7 @@ void t4_db_dropped(struct adapter *adap) disable_dbs(adap); notify_rdma_uld(adap, CXGB4_CONTROL_DB_FULL); } - queue_work(workq, &adap->db_drop_task); + queue_work(adap->workq, &adap->db_drop_task); } static void uld_attach(struct adapter *adap, unsigned int uld) @@ -4327,6 +4369,7 @@ EXPORT_SYMBOL(cxgb4_unregister_uld); * success (true) if it belongs otherwise failure (false). * Called with rcu_read_lock() held. */ +#if IS_ENABLED(CONFIG_IPV6) static bool cxgb4_netdev(const struct net_device *netdev) { struct adapter *adap; @@ -4388,7 +4431,6 @@ static int cxgb4_inet6addr_handler(struct notifier_block *this, * bond. We need to find such different adapters and add clip * in all of them only once. */ - read_lock(&bond->lock); bond_for_each_slave(bond, slave, iter) { if (!first_pdev) { ret = clip_add(slave->dev, ifa, event); @@ -4402,7 +4444,6 @@ static int cxgb4_inet6addr_handler(struct notifier_block *this, to_pci_dev(slave->dev->dev.parent)) ret = clip_add(slave->dev, ifa, event); } - read_unlock(&bond->lock); } else ret = clip_add(ifa->idev->dev, ifa, event); @@ -4450,6 +4491,13 @@ static int update_root_dev_clip(struct net_device *dev) return ret; /* Parse all bond and vlan devices layered on top of the physical dev */ + root_dev = netdev_master_upper_dev_get_rcu(dev); + if (root_dev) { + ret = update_dev_clip(root_dev, dev); + if (ret) + return ret; + } + for (i = 0; i < VLAN_N_VID; i++) { root_dev = __vlan_find_dev_deep_rcu(dev, htons(ETH_P_8021Q), i); if (!root_dev) @@ -4482,6 +4530,7 @@ static void update_clip(const struct adapter *adap) } rcu_read_unlock(); } +#endif /* IS_ENABLED(CONFIG_IPV6) */ /** * cxgb_up - enable the adapter @@ -4528,7 +4577,9 @@ static int cxgb_up(struct adapter *adap) t4_intr_enable(adap); adap->flags |= FULL_INIT_DONE; notify_ulds(adap, CXGB4_STATE_UP); +#if IS_ENABLED(CONFIG_IPV6) update_clip(adap); +#endif out: return err; irq_err: @@ -5957,7 +6008,8 @@ static int adap_init0(struct adapter *adap) params[3] = FW_PARAM_PFVF(CQ_END); params[4] = FW_PARAM_PFVF(OCQ_START); params[5] = FW_PARAM_PFVF(OCQ_END); - ret = t4_query_params(adap, 0, 0, 0, 6, params, val); + ret = t4_query_params(adap, adap->mbox, adap->fn, 0, 6, params, + val); if (ret < 0) goto bye; adap->vres.qp.start = val[0]; @@ -5969,7 +6021,8 @@ static int adap_init0(struct adapter *adap) params[0] = FW_PARAM_DEV(MAXORDIRD_QP); params[1] = FW_PARAM_DEV(MAXIRD_ADAPTER); - ret = t4_query_params(adap, 0, 0, 0, 2, params, val); + ret = t4_query_params(adap, adap->mbox, adap->fn, 0, 2, params, + val); if (ret < 0) { adap->params.max_ordird_qp = 8; adap->params.max_ird_adapter = 32 * adap->tids.ntids; @@ -6105,7 +6158,7 @@ static pci_ers_result_t eeh_slot_reset(struct pci_dev *pdev) pci_save_state(pdev); pci_cleanup_aer_uncorrect_error_status(pdev); - if (t4_wait_dev_ready(adap) < 0) + if (t4_wait_dev_ready(adap->regs) < 0) return PCI_ERS_RESULT_DISCONNECT; if (t4_fw_hello(adap, adap->fn, adap->fn, MASTER_MUST, NULL) < 0) return PCI_ERS_RESULT_DISCONNECT; @@ -6474,6 +6527,7 @@ static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent) struct port_info *pi; bool highdma = false; struct adapter *adapter = NULL; + void __iomem *regs; printk_once(KERN_INFO "%s - version %s\n", DRV_DESC, DRV_VERSION); @@ -6490,19 +6544,39 @@ static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent) goto out_release_regions; } + regs = pci_ioremap_bar(pdev, 0); + if (!regs) { + dev_err(&pdev->dev, "cannot map device registers\n"); + err = -ENOMEM; + goto out_disable_device; + } + + err = t4_wait_dev_ready(regs); + if (err < 0) + goto out_unmap_bar0; + + /* We control everything through one PF */ + func = SOURCEPF_GET(readl(regs + PL_WHOAMI)); + if (func != ent->driver_data) { + iounmap(regs); + pci_disable_device(pdev); + pci_save_state(pdev); /* to restore SR-IOV later */ + goto sriov; + } + if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64))) { highdma = true; err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)); if (err) { dev_err(&pdev->dev, "unable to obtain 64-bit DMA for " "coherent allocations\n"); - goto out_disable_device; + goto out_unmap_bar0; } } else { err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); if (err) { dev_err(&pdev->dev, "no usable DMA configuration\n"); - goto out_disable_device; + goto out_unmap_bar0; } } @@ -6514,26 +6588,19 @@ static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent) adapter = kzalloc(sizeof(*adapter), GFP_KERNEL); if (!adapter) { err = -ENOMEM; - goto out_disable_device; + goto out_unmap_bar0; } - /* PCI device has been enabled */ - adapter->flags |= DEV_ENABLED; - - adapter->regs = pci_ioremap_bar(pdev, 0); - if (!adapter->regs) { - dev_err(&pdev->dev, "cannot map device registers\n"); + adapter->workq = create_singlethread_workqueue("cxgb4"); + if (!adapter->workq) { err = -ENOMEM; goto out_free_adapter; } - /* We control everything through one PF */ - func = SOURCEPF_GET(readl(adapter->regs + PL_WHOAMI)); - if (func != ent->driver_data) { - pci_save_state(pdev); /* to restore SR-IOV later */ - goto sriov; - } + /* PCI device has been enabled */ + adapter->flags |= DEV_ENABLED; + adapter->regs = regs; adapter->pdev = pdev; adapter->pdev_dev = &pdev->dev; adapter->mbox = func; @@ -6550,7 +6617,8 @@ static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent) err = t4_prep_adapter(adapter); if (err) - goto out_unmap_bar0; + goto out_free_adapter; + if (!is_t4(adapter->params.chip)) { s_qpp = QUEUESPERPAGEPF1 * adapter->fn; @@ -6567,14 +6635,14 @@ static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent) dev_err(&pdev->dev, "Incorrect number of egress queues per page\n"); err = -EINVAL; - goto out_unmap_bar0; + goto out_free_adapter; } adapter->bar2 = ioremap_wc(pci_resource_start(pdev, 2), pci_resource_len(pdev, 2)); if (!adapter->bar2) { dev_err(&pdev->dev, "cannot map device bar2 region\n"); err = -ENOMEM; - goto out_unmap_bar0; + goto out_free_adapter; } } @@ -6712,10 +6780,13 @@ sriov: out_unmap_bar: if (!is_t4(adapter->params.chip)) iounmap(adapter->bar2); - out_unmap_bar0: - iounmap(adapter->regs); out_free_adapter: + if (adapter->workq) + destroy_workqueue(adapter->workq); + kfree(adapter); + out_unmap_bar0: + iounmap(regs); out_disable_device: pci_disable_pcie_error_reporting(pdev); pci_disable_device(pdev); @@ -6736,6 +6807,11 @@ static void remove_one(struct pci_dev *pdev) if (adapter) { int i; + /* Tear down per-adapter Work Queue first since it can contain + * references to our adapter data structure. + */ + destroy_workqueue(adapter->workq); + if (is_offload(adapter)) detach_ulds(adapter); @@ -6788,33 +6864,29 @@ static int __init cxgb4_init_module(void) { int ret; - workq = create_singlethread_workqueue("cxgb4"); - if (!workq) - return -ENOMEM; - /* Debugfs support is optional, just warn if this fails */ cxgb4_debugfs_root = debugfs_create_dir(KBUILD_MODNAME, NULL); if (!cxgb4_debugfs_root) pr_warn("could not create debugfs entry, continuing\n"); ret = pci_register_driver(&cxgb4_driver); - if (ret < 0) { + if (ret < 0) debugfs_remove(cxgb4_debugfs_root); - destroy_workqueue(workq); - } +#if IS_ENABLED(CONFIG_IPV6) register_inet6addr_notifier(&cxgb4_inet6addr_notifier); +#endif return ret; } static void __exit cxgb4_cleanup_module(void) { +#if IS_ENABLED(CONFIG_IPV6) unregister_inet6addr_notifier(&cxgb4_inet6addr_notifier); +#endif pci_unregister_driver(&cxgb4_driver); debugfs_remove(cxgb4_debugfs_root); /* NULL ok */ - flush_workqueue(workq); - destroy_workqueue(workq); } module_init(cxgb4_init_module); |