1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright (c) 2019 - 2022 Beijing WangXun Technology Co., Ltd. */
24 /* ngbe_pci_tbl - PCI Device ID Table
47  *  ngbe_init_type_code - Initialize the shared code
55 	wx->mac.type = wx_mac_em;  in ngbe_init_type_code()
56 	type_mask = (u16)(wx->subsystem_device_id & NGBE_OEM_MASK);  in ngbe_init_type_code()
57 	ncsi_mask = wx->subsystem_device_id & NGBE_NCSI_MASK;  in ngbe_init_type_code()
58 	wol_mask = wx->subsystem_device_id & NGBE_WOL_MASK;  in ngbe_init_type_code()
61 	wx->mac_type = (val & BIT(7)) >> 7 ?  in ngbe_init_type_code()
65 	wx->wol_hw_supported = (wol_mask == NGBE_WOL_SUP) ? 1 : 0;  in ngbe_init_type_code()
66 	wx->ncsi_enabled = (ncsi_mask == NGBE_NCSI_MASK ||  in ngbe_init_type_code()
74 		wx->gpio_ctrl = 1;  in ngbe_init_type_code()
77 		wx->gpio_ctrl = 0;  in ngbe_init_type_code()
83  * ngbe_sw_init - Initialize general software structures
88 	struct pci_dev *pdev = wx->pdev;  in ngbe_sw_init()
92 	wx->mac.num_rar_entries = NGBE_RAR_ENTRIES;  in ngbe_sw_init()
93 	wx->mac.max_rx_queues = NGBE_MAX_RX_QUEUES;  in ngbe_sw_init()
94 	wx->mac.max_tx_queues = NGBE_MAX_TX_QUEUES;  in ngbe_sw_init()
95 	wx->mac.mcft_size = NGBE_MC_TBL_SIZE;  in ngbe_sw_init()
96 	wx->mac.vft_size = NGBE_SP_VFT_TBL_SIZE;  in ngbe_sw_init()
97 	wx->mac.rx_pb_size = NGBE_RX_PB_SIZE;  in ngbe_sw_init()
98 	wx->mac.tx_pb_size = NGBE_TDB_PB_SZ;  in ngbe_sw_init()
105 	/* mac type, phy type , oem type */  in ngbe_sw_init()
109 	wx->max_q_vectors = NGBE_MAX_MSIX_VECTORS;  in ngbe_sw_init()
112 		dev_err(&pdev->dev, "Do not support MSI-X\n");  in ngbe_sw_init()
113 	wx->mac.max_msix_vectors = msix_count;  in ngbe_sw_init()
115 	wx->ring_feature[RING_F_RSS].limit = min_t(int, NGBE_MAX_RSS_INDICES,  in ngbe_sw_init()
117 	wx->rss_enabled = true;  in ngbe_sw_init()
120 	wx->rx_itr_setting = 1;  in ngbe_sw_init()
121 	wx->tx_itr_setting = 1;  in ngbe_sw_init()
124 	wx->tx_ring_count = NGBE_DEFAULT_TXD;  in ngbe_sw_init()
125 	wx->rx_ring_count = NGBE_DEFAULT_RXD;  in ngbe_sw_init()
128 	wx->tx_work_limit = NGBE_DEFAULT_TX_WORK;  in ngbe_sw_init()
129 	wx->rx_work_limit = NGBE_DEFAULT_RX_WORK;  in ngbe_sw_init()
135  * ngbe_irq_enable - Enable default interrupt generation settings
149 	wr32(wx, WX_GPIO_POLARITY, wx->gpio_ctrl ? 0 : 0x3);  in ngbe_irq_enable()
161  * ngbe_intr - msi/legacy mode Interrupt Handler
172 	q_vector = wx->q_vector[0];  in ngbe_intr()
173 	pdev = wx->pdev;  in ngbe_intr()
180 		if (netif_running(wx->netdev))  in ngbe_intr()
184 	wx->isb_mem[WX_ISB_VEC0] = 0;  in ngbe_intr()
185 	if (!(pdev->msi_enabled))  in ngbe_intr()
188 	wx->isb_mem[WX_ISB_MISC] = 0;  in ngbe_intr()
190 	napi_schedule_irqoff(&q_vector->napi);  in ngbe_intr()
192 	if (netif_running(wx->netdev))  in ngbe_intr()
202 	/* re-enable the original interrupt state, no lsc, no queues */  in ngbe_msix_other()
203 	if (netif_running(wx->netdev))  in ngbe_msix_other()
210  * ngbe_request_msix_irqs - Initialize MSI-X interrupts
213  * ngbe_request_msix_irqs allocates MSI-X vectors and requests
218 	struct net_device *netdev = wx->netdev;  in ngbe_request_msix_irqs()
221 	for (vector = 0; vector < wx->num_q_vectors; vector++) {  in ngbe_request_msix_irqs()
222 		struct wx_q_vector *q_vector = wx->q_vector[vector];  in ngbe_request_msix_irqs()
223 		struct msix_entry *entry = &wx->msix_q_entries[vector];  in ngbe_request_msix_irqs()
225 		if (q_vector->tx.ring && q_vector->rx.ring)  in ngbe_request_msix_irqs()
226 			snprintf(q_vector->name, sizeof(q_vector->name) - 1,  in ngbe_request_msix_irqs()
227 				 "%s-TxRx-%d", netdev->name, entry->entry);  in ngbe_request_msix_irqs()
232 		err = request_irq(entry->vector, wx_msix_clean_rings, 0,  in ngbe_request_msix_irqs()
233 				  q_vector->name, q_vector);  in ngbe_request_msix_irqs()
236 			       q_vector->name, err);  in ngbe_request_msix_irqs()
241 	err = request_irq(wx->msix_entry->vector,  in ngbe_request_msix_irqs()
242 			  ngbe_msix_other, 0, netdev->name, wx);  in ngbe_request_msix_irqs()
253 		vector--;  in ngbe_request_msix_irqs()
254 		free_irq(wx->msix_q_entries[vector].vector,  in ngbe_request_msix_irqs()
255 			 wx->q_vector[vector]);  in ngbe_request_msix_irqs()
262  * ngbe_request_irq - initialize interrupts
270 	struct net_device *netdev = wx->netdev;  in ngbe_request_irq()
271 	struct pci_dev *pdev = wx->pdev;  in ngbe_request_irq()
274 	if (pdev->msix_enabled)  in ngbe_request_irq()
276 	else if (pdev->msi_enabled)  in ngbe_request_irq()
277 		err = request_irq(pdev->irq, ngbe_intr, 0,  in ngbe_request_irq()
278 				  netdev->name, wx);  in ngbe_request_irq()
280 		err = request_irq(pdev->irq, ngbe_intr, IRQF_SHARED,  in ngbe_request_irq()
281 				  netdev->name, wx);  in ngbe_request_irq()
291 	struct net_device *netdev = wx->netdev;  in ngbe_disable_device()
295 	for (i = 0; i < wx->num_rx_queues; i++)  in ngbe_disable_device()
297 		wx_disable_rx_queue(wx, wx->rx_ring[i]);  in ngbe_disable_device()
303 	if (wx->gpio_ctrl)  in ngbe_disable_device()
307 	for (i = 0; i < wx->num_tx_queues; i++) {  in ngbe_disable_device()
308 		u8 reg_idx = wx->tx_ring[i]->reg_idx;  in ngbe_disable_device()
318 	phylink_stop(wx->phylink);  in ngbe_down()
328 	/* make sure to complete pre-operations */  in ngbe_up()
332 	netif_tx_start_all_queues(wx->netdev);  in ngbe_up()
338 	if (wx->gpio_ctrl)  in ngbe_up()
341 	phylink_start(wx->phylink);  in ngbe_up()
345  * ngbe_open - Called when a network interface is made active
370 	err = phylink_connect_phy(wx->phylink, wx->phydev);  in ngbe_open()
374 	err = netif_set_real_num_tx_queues(netdev, wx->num_tx_queues);  in ngbe_open()
378 	err = netif_set_real_num_rx_queues(netdev, wx->num_rx_queues);  in ngbe_open()
386 	phylink_disconnect_phy(wx->phylink);  in ngbe_open()
396  * ngbe_close - Disables a network interface
401  * The close entry point is called when an interface is de-activated
403  * needs to be disabled.  A global MAC reset is issued to stop the
414 	phylink_disconnect_phy(wx->phylink);  in ngbe_close()
424 	u32 wufc = wx->wol;  in ngbe_dev_shutdown()
426 	netdev = wx->netdev;  in ngbe_dev_shutdown()
454 	wake = !!wx->wol;  in ngbe_shutdown()
465  * ngbe_setup_tc - routine to configure net_device for multiple traffic
513  * ngbe_probe - Device Initialization Routine
539 	err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64));  in ngbe_probe()
541 		dev_err(&pdev->dev,  in ngbe_probe()
550 		dev_err(&pdev->dev,  in ngbe_probe()
557 	netdev = devm_alloc_etherdev_mqs(&pdev->dev,  in ngbe_probe()
562 		err = -ENOMEM;  in ngbe_probe()
566 	SET_NETDEV_DEV(netdev, &pdev->dev);  in ngbe_probe()
569 	wx->netdev = netdev;  in ngbe_probe()
570 	wx->pdev = pdev;  in ngbe_probe()
571 	wx->msg_enable = BIT(3) - 1;  in ngbe_probe()
573 	wx->hw_addr = devm_ioremap(&pdev->dev,  in ngbe_probe()
576 	if (!wx->hw_addr) {  in ngbe_probe()
577 		err = -EIO;  in ngbe_probe()
581 	wx->driver_name = ngbe_driver_name;  in ngbe_probe()
583 	netdev->netdev_ops = &ngbe_netdev_ops;  in ngbe_probe()
585 	netdev->features = NETIF_F_SG | NETIF_F_IP_CSUM |  in ngbe_probe()
588 	netdev->features |= NETIF_F_SCTP_CRC | NETIF_F_TSO_MANGLEID;  in ngbe_probe()
589 	netdev->vlan_features |= netdev->features;  in ngbe_probe()
590 	netdev->features |= NETIF_F_IPV6_CSUM | NETIF_F_VLAN_FEATURES;  in ngbe_probe()
592 	netdev->hw_features |= netdev->features | NETIF_F_RXALL;  in ngbe_probe()
593 	netdev->hw_features |= NETIF_F_NTUPLE | NETIF_F_HW_TC;  in ngbe_probe()
594 	netdev->features |= NETIF_F_HIGHDMA;  in ngbe_probe()
595 	netdev->hw_features |= NETIF_F_GRO;  in ngbe_probe()
596 	netdev->features |= NETIF_F_GRO;  in ngbe_probe()
598 	netdev->priv_flags |= IFF_UNICAST_FLT;  in ngbe_probe()
599 	netdev->priv_flags |= IFF_SUPP_NOFCS;  in ngbe_probe()
600 	netdev->priv_flags |= IFF_LIVE_ADDR_CHANGE;  in ngbe_probe()
602 	netdev->min_mtu = ETH_MIN_MTU;  in ngbe_probe()
603 	netdev->max_mtu = WX_MAX_JUMBO_FRAME_SIZE -  in ngbe_probe()
606 	wx->bd_number = func_nums;  in ngbe_probe()
622 		dev_err(&pdev->dev, "Management capability is not present\n");  in ngbe_probe()
628 		dev_err(&pdev->dev, "HW Init failed: %d\n", err);  in ngbe_probe()
632 	if (wx->bus.func == 0) {  in ngbe_probe()
641 	if (wx->bus.func == 0 || e2rom_cksum_cap == 0) {  in ngbe_probe()
645 			dev_err(&pdev->dev, "The EEPROM Checksum Is Not Valid\n");  in ngbe_probe()
646 			err = -EIO;  in ngbe_probe()
651 	wx->wol = 0;  in ngbe_probe()
652 	if (wx->wol_hw_supported)  in ngbe_probe()
653 		wx->wol = NGBE_PSR_WKUP_CTL_MAG;  in ngbe_probe()
655 	netdev->ethtool->wol_enabled = !!(wx->wol);  in ngbe_probe()
656 	wr32(wx, NGBE_PSR_WKUP_CTL, wx->wol);  in ngbe_probe()
657 	device_set_wakeup_enable(&pdev->dev, wx->wol);  in ngbe_probe()
666 				  wx->eeprom.sw_region_offset + NGBE_EEPROM_VERSION_H,  in ngbe_probe()
670 				  wx->eeprom.sw_region_offset + NGBE_EEPROM_VERSION_L,  in ngbe_probe()
675 	snprintf(wx->eeprom_id, sizeof(wx->eeprom_id),  in ngbe_probe()
678 	eth_hw_addr_set(netdev, wx->mac.perm_addr);  in ngbe_probe()
679 	wx_mac_set_default_filter(wx, wx->mac.perm_addr);  in ngbe_probe()
699 	phylink_destroy(wx->phylink);  in ngbe_probe()
704 	kfree(wx->mac_table);  in ngbe_probe()
714  * ngbe_remove - Device Removal Routine
719  * Hot-Plug event, or because the driver is going to be removed from
727 	netdev = wx->netdev;  in ngbe_remove()
729 	phylink_destroy(wx->phylink);  in ngbe_remove()
733 	kfree(wx->rss_key);  in ngbe_remove()
734 	kfree(wx->mac_table);  in ngbe_remove()
745 	device_set_wakeup_enable(&pdev->dev, wake);  in ngbe_suspend()
757 	netdev = wx->netdev;  in ngbe_resume()
765 	device_wakeup_disable(&pdev->dev);  in ngbe_resume()
792 MODULE_AUTHOR("Beijing WangXun Technology Co., Ltd, <software@net-swift.com>");