1 // SPDX-License-Identifier: GPL-2.0+
2 // Copyright (c) 2016-2017 Hisilicon Limited.
4 #include <linux/dma-mapping.h>
52 static int debug = -1;
81 /* hns3_pci_tbl - PCI Device ID Table
387 	napi_schedule_irqoff(&tqp_vector->napi);  in hns3_irq_handle()
388 	tqp_vector->event_cnt++;  in hns3_irq_handle()
398 	for (i = 0; i < priv->vector_num; i++) {  in hns3_nic_uninit_irq()
399 		tqp_vectors = &priv->tqp_vector[i];  in hns3_nic_uninit_irq()
401 		if (tqp_vectors->irq_init_flag != HNS3_VECTOR_INITED)  in hns3_nic_uninit_irq()
405 		irq_set_affinity_hint(tqp_vectors->vector_irq, NULL);  in hns3_nic_uninit_irq()
408 		free_irq(tqp_vectors->vector_irq, tqp_vectors);  in hns3_nic_uninit_irq()
409 		tqp_vectors->irq_init_flag = HNS3_VECTOR_NOT_INITED;  in hns3_nic_uninit_irq()
422 	for (i = 0; i < priv->vector_num; i++) {  in hns3_nic_init_irq()
423 		tqp_vectors = &priv->tqp_vector[i];  in hns3_nic_init_irq()
425 		if (tqp_vectors->irq_init_flag == HNS3_VECTOR_INITED)  in hns3_nic_init_irq()
428 		if (tqp_vectors->tx_group.ring && tqp_vectors->rx_group.ring) {  in hns3_nic_init_irq()
429 			snprintf(tqp_vectors->name, HNAE3_INT_NAME_LEN,  in hns3_nic_init_irq()
430 				 "%s-%s-%s-%d", hns3_driver_name,  in hns3_nic_init_irq()
431 				 pci_name(priv->ae_handle->pdev),  in hns3_nic_init_irq()
434 		} else if (tqp_vectors->rx_group.ring) {  in hns3_nic_init_irq()
435 			snprintf(tqp_vectors->name, HNAE3_INT_NAME_LEN,  in hns3_nic_init_irq()
436 				 "%s-%s-%s-%d", hns3_driver_name,  in hns3_nic_init_irq()
437 				 pci_name(priv->ae_handle->pdev),  in hns3_nic_init_irq()
439 		} else if (tqp_vectors->tx_group.ring) {  in hns3_nic_init_irq()
440 			snprintf(tqp_vectors->name, HNAE3_INT_NAME_LEN,  in hns3_nic_init_irq()
441 				 "%s-%s-%s-%d", hns3_driver_name,  in hns3_nic_init_irq()
442 				 pci_name(priv->ae_handle->pdev),  in hns3_nic_init_irq()
449 		tqp_vectors->name[HNAE3_INT_NAME_LEN - 1] = '\0';  in hns3_nic_init_irq()
451 		irq_set_status_flags(tqp_vectors->vector_irq, IRQ_NOAUTOEN);  in hns3_nic_init_irq()
452 		ret = request_irq(tqp_vectors->vector_irq, hns3_irq_handle, 0,  in hns3_nic_init_irq()
453 				  tqp_vectors->name, tqp_vectors);  in hns3_nic_init_irq()
455 			netdev_err(priv->netdev, "request irq(%d) fail\n",  in hns3_nic_init_irq()
456 				   tqp_vectors->vector_irq);  in hns3_nic_init_irq()
461 		irq_set_affinity_hint(tqp_vectors->vector_irq,  in hns3_nic_init_irq()
462 				      &tqp_vectors->affinity_mask);  in hns3_nic_init_irq()
464 		tqp_vectors->irq_init_flag = HNS3_VECTOR_INITED;  in hns3_nic_init_irq()
473 	writel(mask_en, tqp_vector->mask_addr);  in hns3_mask_vector_irq()
478 	napi_enable(&tqp_vector->napi);  in hns3_vector_enable()
479 	enable_irq(tqp_vector->vector_irq);  in hns3_vector_enable()
490 	disable_irq(tqp_vector->vector_irq);  in hns3_vector_disable()
491 	napi_disable(&tqp_vector->napi);  in hns3_vector_disable()
492 	cancel_work_sync(&tqp_vector->rx_group.dim.work);  in hns3_vector_disable()
493 	cancel_work_sync(&tqp_vector->tx_group.dim.work);  in hns3_vector_disable()
502 	 * Rl defines rate of interrupts i.e. number of interrupts-per-second  in hns3_set_vector_coalesce_rl()
505 	if (rl_reg > 0 && !tqp_vector->tx_group.coal.adapt_enable &&  in hns3_set_vector_coalesce_rl()
506 	    !tqp_vector->rx_group.coal.adapt_enable)  in hns3_set_vector_coalesce_rl()
508 		 * 0-59 and the unit is 4.  in hns3_set_vector_coalesce_rl()
512 	writel(rl_reg, tqp_vector->mask_addr + HNS3_VECTOR_RL_OFFSET);  in hns3_set_vector_coalesce_rl()
520 	if (tqp_vector->rx_group.coal.unit_1us)  in hns3_set_vector_coalesce_rx_gl()
525 	writel(new_val, tqp_vector->mask_addr + HNS3_VECTOR_GL0_OFFSET);  in hns3_set_vector_coalesce_rx_gl()
533 	if (tqp_vector->tx_group.coal.unit_1us)  in hns3_set_vector_coalesce_tx_gl()
538 	writel(new_val, tqp_vector->mask_addr + HNS3_VECTOR_GL1_OFFSET);  in hns3_set_vector_coalesce_tx_gl()
544 	writel(ql_value, tqp_vector->mask_addr + HNS3_VECTOR_TX_QL_OFFSET);  in hns3_set_vector_coalesce_tx_ql()
550 	writel(ql_value, tqp_vector->mask_addr + HNS3_VECTOR_RX_QL_OFFSET);  in hns3_set_vector_coalesce_rx_ql()
556 	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(priv->ae_handle->pdev);  in hns3_vector_coalesce_init()
557 	struct hns3_enet_coalesce *tx_coal = &tqp_vector->tx_group.coal;  in hns3_vector_coalesce_init()
558 	struct hns3_enet_coalesce *rx_coal = &tqp_vector->rx_group.coal;  in hns3_vector_coalesce_init()
559 	struct hns3_enet_coalesce *ptx_coal = &priv->tx_coal;  in hns3_vector_coalesce_init()
560 	struct hns3_enet_coalesce *prx_coal = &priv->rx_coal;  in hns3_vector_coalesce_init()
562 	tx_coal->adapt_enable = ptx_coal->adapt_enable;  in hns3_vector_coalesce_init()
563 	rx_coal->adapt_enable = prx_coal->adapt_enable;  in hns3_vector_coalesce_init()
565 	tx_coal->int_gl = ptx_coal->int_gl;  in hns3_vector_coalesce_init()
566 	rx_coal->int_gl = prx_coal->int_gl;  in hns3_vector_coalesce_init()
568 	rx_coal->flow_level = prx_coal->flow_level;  in hns3_vector_coalesce_init()
569 	tx_coal->flow_level = ptx_coal->flow_level;  in hns3_vector_coalesce_init()
574 	if (ae_dev->dev_version >= HNAE3_DEVICE_VERSION_V3) {  in hns3_vector_coalesce_init()
575 		tx_coal->unit_1us = 1;  in hns3_vector_coalesce_init()
576 		rx_coal->unit_1us = 1;  in hns3_vector_coalesce_init()
579 	if (ae_dev->dev_specs.int_ql_max) {  in hns3_vector_coalesce_init()
580 		tx_coal->ql_enable = 1;  in hns3_vector_coalesce_init()
581 		rx_coal->ql_enable = 1;  in hns3_vector_coalesce_init()
582 		tx_coal->int_ql_max = ae_dev->dev_specs.int_ql_max;  in hns3_vector_coalesce_init()
583 		rx_coal->int_ql_max = ae_dev->dev_specs.int_ql_max;  in hns3_vector_coalesce_init()
584 		tx_coal->int_ql = ptx_coal->int_ql;  in hns3_vector_coalesce_init()
585 		rx_coal->int_ql = prx_coal->int_ql;  in hns3_vector_coalesce_init()
593 	struct hns3_enet_coalesce *tx_coal = &tqp_vector->tx_group.coal;  in hns3_vector_coalesce_init_hw()
594 	struct hns3_enet_coalesce *rx_coal = &tqp_vector->rx_group.coal;  in hns3_vector_coalesce_init_hw()
595 	struct hnae3_handle *h = priv->ae_handle;  in hns3_vector_coalesce_init_hw()
597 	hns3_set_vector_coalesce_tx_gl(tqp_vector, tx_coal->int_gl);  in hns3_vector_coalesce_init_hw()
598 	hns3_set_vector_coalesce_rx_gl(tqp_vector, rx_coal->int_gl);  in hns3_vector_coalesce_init_hw()
599 	hns3_set_vector_coalesce_rl(tqp_vector, h->kinfo.int_rl_setting);  in hns3_vector_coalesce_init_hw()
601 	if (tx_coal->ql_enable)  in hns3_vector_coalesce_init_hw()
602 		hns3_set_vector_coalesce_tx_ql(tqp_vector, tx_coal->int_ql);  in hns3_vector_coalesce_init_hw()
604 	if (rx_coal->ql_enable)  in hns3_vector_coalesce_init_hw()
605 		hns3_set_vector_coalesce_rx_ql(tqp_vector, rx_coal->int_ql);  in hns3_vector_coalesce_init_hw()
611 	struct hnae3_knic_private_info *kinfo = &h->kinfo;  in hns3_nic_set_real_num_queue()
612 	struct hnae3_tc_info *tc_info = &kinfo->tc_info;  in hns3_nic_set_real_num_queue()
613 	unsigned int queue_size = kinfo->num_tqps;  in hns3_nic_set_real_num_queue()
616 	if (tc_info->num_tc <= 1 && !tc_info->mqprio_active) {  in hns3_nic_set_real_num_queue()
619 		ret = netdev_set_num_tc(netdev, tc_info->num_tc);  in hns3_nic_set_real_num_queue()
626 		for (i = 0; i < tc_info->num_tc; i++)  in hns3_nic_set_real_num_queue()
627 			netdev_set_tc_queue(netdev, i, tc_info->tqp_count[i],  in hns3_nic_set_real_num_queue()
628 					    tc_info->tqp_offset[i]);  in hns3_nic_set_real_num_queue()
652 	h->ae_algo->ops->get_tqps_and_rss_info(h, &alloc_tqps, &max_rss_size);  in hns3_get_max_available_channels()
653 	rss_size = alloc_tqps / h->kinfo.tc_info.num_tc;  in hns3_get_max_available_channels()
679 	free_irq_cpu_rmap(netdev->rx_cpu_rmap);  in hns3_free_rx_cpu_rmap()
680 	netdev->rx_cpu_rmap = NULL;  in hns3_free_rx_cpu_rmap()
691 	if (!netdev->rx_cpu_rmap) {  in hns3_set_rx_cpu_rmap()
692 		netdev->rx_cpu_rmap = alloc_irq_cpu_rmap(priv->vector_num);  in hns3_set_rx_cpu_rmap()
693 		if (!netdev->rx_cpu_rmap)  in hns3_set_rx_cpu_rmap()
694 			return -ENOMEM;  in hns3_set_rx_cpu_rmap()
697 	for (i = 0; i < priv->vector_num; i++) {  in hns3_set_rx_cpu_rmap()
698 		tqp_vector = &priv->tqp_vector[i];  in hns3_set_rx_cpu_rmap()
699 		ret = irq_cpu_rmap_add(netdev->rx_cpu_rmap,  in hns3_set_rx_cpu_rmap()
700 				       tqp_vector->vector_irq);  in hns3_set_rx_cpu_rmap()
713 	struct hnae3_handle *h = priv->ae_handle;  in hns3_nic_net_up()
721 	clear_bit(HNS3_NIC_STATE_DOWN, &priv->state);  in hns3_nic_net_up()
724 	for (i = 0; i < priv->vector_num; i++)  in hns3_nic_net_up()
725 		hns3_vector_enable(&priv->tqp_vector[i]);  in hns3_nic_net_up()
728 	for (j = 0; j < h->kinfo.num_tqps; j++)  in hns3_nic_net_up()
729 		hns3_tqp_enable(h->kinfo.tqp[j]);  in hns3_nic_net_up()
732 	ret = h->ae_algo->ops->start ? h->ae_algo->ops->start(h) : 0;  in hns3_nic_net_up()
734 		set_bit(HNS3_NIC_STATE_DOWN, &priv->state);  in hns3_nic_net_up()
735 		while (j--)  in hns3_nic_net_up()
736 			hns3_tqp_disable(h->kinfo.tqp[j]);  in hns3_nic_net_up()
738 		for (j = i - 1; j >= 0; j--)  in hns3_nic_net_up()
739 			hns3_vector_disable(&priv->tqp_vector[j]);  in hns3_nic_net_up()
749 	for (i = 0; i < priv->vector_num; i++) {  in hns3_config_xps()
750 		struct hns3_enet_tqp_vector *tqp_vector = &priv->tqp_vector[i];  in hns3_config_xps()
751 		struct hns3_enet_ring *ring = tqp_vector->tx_group.ring;  in hns3_config_xps()
756 			ret = netif_set_xps_queue(priv->netdev,  in hns3_config_xps()
757 						  &tqp_vector->affinity_mask,  in hns3_config_xps()
758 						  ring->tqp->tqp_index);  in hns3_config_xps()
760 				netdev_warn(priv->netdev,  in hns3_config_xps()
763 			ring = ring->next;  in hns3_config_xps()
776 		return -EBUSY;  in hns3_nic_net_open()
778 	if (!test_bit(HNS3_NIC_STATE_DOWN, &priv->state)) {  in hns3_nic_net_open()
795 	kinfo = &h->kinfo;  in hns3_nic_net_open()
797 		netdev_set_prio_tc_map(netdev, i, kinfo->tc_info.prio_tc[i]);  in hns3_nic_net_open()
799 	if (h->ae_algo->ops->set_timer_task)  in hns3_nic_net_open()
800 		h->ae_algo->ops->set_timer_task(priv->ae_handle, true);  in hns3_nic_net_open()
811 	struct net_device *ndev = h->kinfo.netdev;  in hns3_reset_tx_queue()
816 	for (i = 0; i < h->kinfo.num_tqps; i++) {  in hns3_reset_tx_queue()
818 						priv->ring[i].queue_index);  in hns3_reset_tx_queue()
831 	for (i = 0; i < priv->vector_num; i++)  in hns3_nic_net_down()
832 		hns3_vector_disable(&priv->tqp_vector[i]);  in hns3_nic_net_down()
835 	for (i = 0; i < h->kinfo.num_tqps; i++)  in hns3_nic_net_down()
836 		hns3_tqp_disable(h->kinfo.tqp[i]);  in hns3_nic_net_down()
839 	ops = priv->ae_handle->ae_algo->ops;  in hns3_nic_net_down()
840 	if (ops->stop)  in hns3_nic_net_down()
841 		ops->stop(priv->ae_handle);  in hns3_nic_net_down()
848 		hns3_clear_all_ring(priv->ae_handle, false);  in hns3_nic_net_down()
850 	hns3_reset_tx_queue(priv->ae_handle);  in hns3_nic_net_down()
858 	if (test_and_set_bit(HNS3_NIC_STATE_DOWN, &priv->state))  in hns3_nic_net_stop()
863 	if (h->ae_algo->ops->set_timer_task)  in hns3_nic_net_stop()
864 		h->ae_algo->ops->set_timer_task(priv->ae_handle, false);  in hns3_nic_net_stop()
879 	if (h->ae_algo->ops->add_uc_addr)  in hns3_nic_uc_sync()
880 		return h->ae_algo->ops->add_uc_addr(h, addr);  in hns3_nic_uc_sync()
894 	if (ether_addr_equal(addr, netdev->dev_addr))  in hns3_nic_uc_unsync()
897 	if (h->ae_algo->ops->rm_uc_addr)  in hns3_nic_uc_unsync()
898 		return h->ae_algo->ops->rm_uc_addr(h, addr);  in hns3_nic_uc_unsync()
908 	if (h->ae_algo->ops->add_mc_addr)  in hns3_nic_mc_sync()
909 		return h->ae_algo->ops->add_mc_addr(h, addr);  in hns3_nic_mc_sync()
919 	if (h->ae_algo->ops->rm_mc_addr)  in hns3_nic_mc_unsync()
920 		return h->ae_algo->ops->rm_mc_addr(h, addr);  in hns3_nic_mc_unsync()
929 	if (netdev->flags & IFF_PROMISC)  in hns3_get_netdev_flags()
931 	else if (netdev->flags & IFF_ALLMULTI)  in hns3_get_netdev_flags()
950 	h->netdev_flags = new_flags;  in hns3_nic_set_rx_mode()
956 	const struct hnae3_ae_ops *ops = handle->ae_algo->ops;  in hns3_request_update_promisc_mode()
958 	if (ops->request_update_promisc_mode)  in hns3_request_update_promisc_mode()
959 		ops->request_update_promisc_mode(handle);  in hns3_request_update_promisc_mode()
964 	struct hns3_tx_spare *tx_spare = ring->tx_spare;  in hns3_tx_spare_space()
970 	ntc = smp_load_acquire(&tx_spare->last_to_clean);  in hns3_tx_spare_space()
971 	ntu = tx_spare->next_to_use;  in hns3_tx_spare_space()
974 		return ntc - ntu - 1;  in hns3_tx_spare_space()
979 	return max(ntc, tx_spare->len - ntu) - 1;  in hns3_tx_spare_space()
984 	struct hns3_tx_spare *tx_spare = ring->tx_spare;  in hns3_tx_spare_update()
987 	    tx_spare->last_to_clean == tx_spare->next_to_clean)  in hns3_tx_spare_update()
993 	smp_store_release(&tx_spare->last_to_clean,  in hns3_tx_spare_update()
994 			  tx_spare->next_to_clean);  in hns3_tx_spare_update()
1001 	u32 len = skb->len <= ring->tx_copybreak ? skb->len :  in hns3_can_use_tx_bounce()
1004 	if (len > ring->tx_copybreak)  in hns3_can_use_tx_bounce()
1008 		u64_stats_update_begin(&ring->syncp);  in hns3_can_use_tx_bounce()
1009 		ring->stats.tx_spare_full++;  in hns3_can_use_tx_bounce()
1010 		u64_stats_update_end(&ring->syncp);  in hns3_can_use_tx_bounce()
1021 	if (skb->len <= ring->tx_copybreak || !tx_sgl ||  in hns3_can_use_tx_sgl()
1023 	     skb_shinfo(skb)->nr_frags < tx_sgl))  in hns3_can_use_tx_sgl()
1027 		u64_stats_update_begin(&ring->syncp);  in hns3_can_use_tx_sgl()
1028 		ring->stats.tx_spare_full++;  in hns3_can_use_tx_sgl()
1029 		u64_stats_update_end(&ring->syncp);  in hns3_can_use_tx_sgl()
1045 		     ring->tqp->handle->kinfo.tx_spare_buf_size;  in hns3_init_tx_spare_buffer()
1075 	tx_spare->dma = dma;  in hns3_init_tx_spare_buffer()
1076 	tx_spare->buf = page_address(page);  in hns3_init_tx_spare_buffer()
1077 	tx_spare->len = PAGE_SIZE << order;  in hns3_init_tx_spare_buffer()
1078 	ring->tx_spare = tx_spare;  in hns3_init_tx_spare_buffer()
1088 	struct hns3_tx_spare *tx_spare = ring->tx_spare;  in hns3_tx_spare_alloc()
1089 	u32 ntu = tx_spare->next_to_use;  in hns3_tx_spare_alloc()
1097 	if (ntu + size > tx_spare->len) {  in hns3_tx_spare_alloc()
1098 		*cb_len += (tx_spare->len - ntu);  in hns3_tx_spare_alloc()
1102 	tx_spare->next_to_use = ntu + size;  in hns3_tx_spare_alloc()
1103 	if (tx_spare->next_to_use == tx_spare->len)  in hns3_tx_spare_alloc()
1104 		tx_spare->next_to_use = 0;  in hns3_tx_spare_alloc()
1106 	*dma = tx_spare->dma + ntu;  in hns3_tx_spare_alloc()
1108 	return tx_spare->buf + ntu;  in hns3_tx_spare_alloc()
1113 	struct hns3_tx_spare *tx_spare = ring->tx_spare;  in hns3_tx_spare_rollback()
1115 	if (len > tx_spare->next_to_use) {  in hns3_tx_spare_rollback()
1116 		len -= tx_spare->next_to_use;  in hns3_tx_spare_rollback()
1117 		tx_spare->next_to_use = tx_spare->len - len;  in hns3_tx_spare_rollback()
1119 		tx_spare->next_to_use -= len;  in hns3_tx_spare_rollback()
1126 	struct hns3_tx_spare *tx_spare = ring->tx_spare;  in hns3_tx_spare_reclaim_cb()
1127 	u32 ntc = tx_spare->next_to_clean;  in hns3_tx_spare_reclaim_cb()
1128 	u32 len = cb->length;  in hns3_tx_spare_reclaim_cb()
1130 	tx_spare->next_to_clean += len;  in hns3_tx_spare_reclaim_cb()
1132 	if (tx_spare->next_to_clean >= tx_spare->len) {  in hns3_tx_spare_reclaim_cb()
1133 		tx_spare->next_to_clean -= tx_spare->len;  in hns3_tx_spare_reclaim_cb()
1135 		if (tx_spare->next_to_clean) {  in hns3_tx_spare_reclaim_cb()
1137 			len = tx_spare->next_to_clean;  in hns3_tx_spare_reclaim_cb()
1143 	 * the tx buffer to do the dma sync or sg unmapping after  in hns3_tx_spare_reclaim_cb()
1144 	 * tx_spare->next_to_clean is moved forword.  in hns3_tx_spare_reclaim_cb()
1146 	if (cb->type & (DESC_TYPE_BOUNCE_HEAD | DESC_TYPE_BOUNCE_ALL)) {  in hns3_tx_spare_reclaim_cb()
1147 		dma_addr_t dma = tx_spare->dma + ntc;  in hns3_tx_spare_reclaim_cb()
1152 		struct sg_table *sgt = tx_spare->buf + ntc;  in hns3_tx_spare_reclaim_cb()
1154 		dma_unmap_sg(ring_to_dev(ring), sgt->sgl, sgt->orig_nents,  in hns3_tx_spare_reclaim_cb()
1181 	if (l3.v4->version == 4)  in hns3_set_tso()
1182 		l3.v4->check = 0;  in hns3_set_tso()
1185 	if (skb_shinfo(skb)->gso_type & (SKB_GSO_GRE |  in hns3_set_tso()
1196 		if (l3.v4->version == 4)  in hns3_set_tso()
1197 			l3.v4->check = 0;  in hns3_set_tso()
1201 	l4_offset = l4.hdr - skb->data;  in hns3_set_tso()
1204 	l4_paylen = skb->len - l4_offset;  in hns3_set_tso()
1206 	if (skb_shinfo(skb)->gso_type & SKB_GSO_UDP_L4) {  in hns3_set_tso()
1208 		csum_replace_by_diff(&l4.udp->check,  in hns3_set_tso()
1211 		hdr_len = (l4.tcp->doff << 2) + l4_offset;  in hns3_set_tso()
1212 		csum_replace_by_diff(&l4.tcp->check,  in hns3_set_tso()
1216 	*send_bytes = (skb_shinfo(skb)->gso_segs - 1) * hdr_len + skb->len;  in hns3_set_tso()
1219 	*paylen_fdop_ol4cs = skb->len - hdr_len;  in hns3_set_tso()
1223 	if (skb_shinfo(skb)->gso_type & SKB_GSO_UDP_TUNNEL_CSUM)  in hns3_set_tso()
1227 	*mss = skb_shinfo(skb)->gso_size;  in hns3_set_tso()
1247 	if (skb->protocol == htons(ETH_P_IPV6)) {  in hns3_get_l4_protocol()
1249 		l4_proto_tmp = l3.v6->nexthdr;  in hns3_get_l4_protocol()
1251 			ipv6_skip_exthdr(skb, exthdr - skb->data,  in hns3_get_l4_protocol()
1253 	} else if (skb->protocol == htons(ETH_P_IP)) {  in hns3_get_l4_protocol()
1254 		l4_proto_tmp = l3.v4->protocol;  in hns3_get_l4_protocol()
1256 		return -EINVAL;  in hns3_get_l4_protocol()
1262 	if (!skb->encapsulation) {  in hns3_get_l4_protocol()
1271 	if (l3.v6->version == 6) {  in hns3_get_l4_protocol()
1273 		l4_proto_tmp = l3.v6->nexthdr;  in hns3_get_l4_protocol()
1275 			ipv6_skip_exthdr(skb, exthdr - skb->data,  in hns3_get_l4_protocol()
1277 	} else if (l3.v4->version == 4) {  in hns3_get_l4_protocol()
1278 		l4_proto_tmp = l3.v4->protocol;  in hns3_get_l4_protocol()
1286 /* when skb->encapsulation is 0, skb->ip_summed is CHECKSUM_PARTIAL
1294 	struct hns3_nic_priv *priv = netdev_priv(skb->dev);  in hns3_tunnel_csum_bug()
1295 	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(priv->ae_handle->pdev);  in hns3_tunnel_csum_bug()
1301 	if (ae_dev->dev_version >= HNAE3_DEVICE_VERSION_V3)  in hns3_tunnel_csum_bug()
1306 	if (!(!skb->encapsulation &&  in hns3_tunnel_csum_bug()
1307 	      (l4.udp->dest == htons(IANA_VXLAN_UDP_PORT) ||  in hns3_tunnel_csum_bug()
1308 	      l4.udp->dest == htons(GENEVE_UDP_PORT) ||  in hns3_tunnel_csum_bug()
1309 	      l4.udp->dest == htons(4790))))  in hns3_tunnel_csum_bug()
1327 	l2_len = l3.hdr - skb->data;  in hns3_set_outer_l2l3l4()
1331 	l3_len = l4.hdr - l3.hdr;  in hns3_set_outer_l2l3l4()
1336 	l4_len = il2_hdr - l4.hdr;  in hns3_set_outer_l2l3l4()
1340 	if (skb->protocol == htons(ETH_P_IP)) {  in hns3_set_outer_l2l3l4()
1349 	} else if (skb->protocol == htons(ETH_P_IPV6)) {  in hns3_set_outer_l2l3l4()
1366 	unsigned char *l2_hdr = skb->data;  in hns3_set_l2l3l4()
1376 	if (skb->encapsulation) {  in hns3_set_l2l3l4()
1383 				return -EDOM;  in hns3_set_l2l3l4()
1400 	if (l3.v4->version == 4) {  in hns3_set_l2l3l4()
1409 	} else if (l3.v6->version == 6) {  in hns3_set_l2l3l4()
1415 	l2_len = l3.hdr - l2_hdr;  in hns3_set_l2l3l4()
1419 	l3_len = l4.hdr - l3.hdr;  in hns3_set_l2l3l4()
1429 			       l4.tcp->doff);  in hns3_set_l2l3l4()
1456 			return -EDOM;  in hns3_set_l2l3l4()
1470 	struct hnae3_handle *handle = tx_ring->tqp->handle;  in hns3_handle_vtags()
1475 	if (!(skb->protocol == htons(ETH_P_8021Q) ||  in hns3_handle_vtags()
1483 	ae_dev = pci_get_drvdata(handle->pdev);  in hns3_handle_vtags()
1485 		     ae_dev->dev_version <= HNAE3_DEVICE_VERSION_V2 &&  in hns3_handle_vtags()
1486 		     handle->port_base_vlan_state ==  in hns3_handle_vtags()
1488 		return -EINVAL;  in hns3_handle_vtags()
1490 	if (skb->protocol == htons(ETH_P_8021Q) &&  in hns3_handle_vtags()
1491 	    !(handle->kinfo.netdev->features & NETIF_F_HW_VLAN_CTAG_TX)) {  in hns3_handle_vtags()
1496 		skb->protocol = vlan_get_protocol(skb);  in hns3_handle_vtags()
1504 		if (skb->protocol == htons(ETH_P_8021Q) &&  in hns3_handle_vtags()
1505 		    handle->port_base_vlan_state ==  in hns3_handle_vtags()
1511 		skb->protocol = vlan_get_protocol(skb);  in hns3_handle_vtags()
1519 	vhdr = (struct vlan_ethhdr *)skb->data;  in hns3_handle_vtags()
1520 	vhdr->h_vlan_TCI |= cpu_to_be16((skb->priority << VLAN_PRIO_SHIFT)  in hns3_handle_vtags()
1523 	skb->protocol = vlan_get_protocol(skb);  in hns3_handle_vtags()
1530 	struct hns3_nic_priv *priv = netdev_priv(skb->dev);  in hns3_check_hw_tx_csum()
1533 	 * HW checksum of the non-IP packets and GSO packets is handled at  in hns3_check_hw_tx_csum()
1537 	    !test_bit(HNS3_NIC_STATE_HW_TX_CSUM_ENABLE, &priv->state))  in hns3_check_hw_tx_csum()
1548 	u32 paylen_ol4cs = skb->len;  in hns3_fill_skb_desc()
1557 		u64_stats_update_begin(&ring->syncp);  in hns3_fill_skb_desc()
1558 		ring->stats.tx_vlan_err++;  in hns3_fill_skb_desc()
1559 		u64_stats_update_end(&ring->syncp);  in hns3_fill_skb_desc()
1563 		inner_vtag |= (skb->priority << VLAN_PRIO_SHIFT) &  in hns3_fill_skb_desc()
1568 		out_vtag |= (skb->priority << VLAN_PRIO_SHIFT) &  in hns3_fill_skb_desc()
1574 	desc_cb->send_bytes = skb->len;  in hns3_fill_skb_desc()
1576 	if (skb->ip_summed == CHECKSUM_PARTIAL) {  in hns3_fill_skb_desc()
1585 				       skb->csum_offset >> 1);  in hns3_fill_skb_desc()
1594 			u64_stats_update_begin(&ring->syncp);  in hns3_fill_skb_desc()
1595 			ring->stats.tx_l4_proto_err++;  in hns3_fill_skb_desc()
1596 			u64_stats_update_end(&ring->syncp);  in hns3_fill_skb_desc()
1604 			u64_stats_update_begin(&ring->syncp);  in hns3_fill_skb_desc()
1605 			ring->stats.tx_l2l3l4_err++;  in hns3_fill_skb_desc()
1606 			u64_stats_update_end(&ring->syncp);  in hns3_fill_skb_desc()
1611 				   &type_cs_vlan_tso, &desc_cb->send_bytes);  in hns3_fill_skb_desc()
1613 			u64_stats_update_begin(&ring->syncp);  in hns3_fill_skb_desc()
1614 			ring->stats.tx_tso_err++;  in hns3_fill_skb_desc()
1615 			u64_stats_update_end(&ring->syncp);  in hns3_fill_skb_desc()
1622 	desc->tx.ol_type_vlan_len_msec =  in hns3_fill_skb_desc()
1624 	desc->tx.type_cs_vlan_tso_len = cpu_to_le32(type_cs_vlan_tso);  in hns3_fill_skb_desc()
1625 	desc->tx.paylen_ol4cs = cpu_to_le32(paylen_ol4cs);  in hns3_fill_skb_desc()
1626 	desc->tx.mss_hw_csum = cpu_to_le16(mss_hw_csum);  in hns3_fill_skb_desc()
1627 	desc->tx.vlan_tag = cpu_to_le16(inner_vtag);  in hns3_fill_skb_desc()
1628 	desc->tx.outer_vlan_tag = cpu_to_le16(out_vtag);  in hns3_fill_skb_desc()
1638 	struct hns3_desc *desc = &ring->desc[ring->next_to_use];  in hns3_fill_desc()
1643 		desc->addr = cpu_to_le64(dma);  in hns3_fill_desc()
1644 		desc->tx.send_size = cpu_to_le16(size);  in hns3_fill_desc()
1645 		desc->tx.bdtp_fe_sc_vld_ra_ri =  in hns3_fill_desc()
1648 		trace_hns3_tx_desc(ring, ring->next_to_use);  in hns3_fill_desc()
1660 		desc->addr = cpu_to_le64(dma + HNS3_MAX_BD_SIZE * k);  in hns3_fill_desc()
1661 		desc->tx.send_size = cpu_to_le16((k == frag_buf_num - 1) ?  in hns3_fill_desc()
1663 		desc->tx.bdtp_fe_sc_vld_ra_ri =  in hns3_fill_desc()
1666 		trace_hns3_tx_desc(ring, ring->next_to_use);  in hns3_fill_desc()
1670 		desc = &ring->desc[ring->next_to_use];  in hns3_fill_desc()
1679 	struct hns3_desc_cb *desc_cb = &ring->desc_cb[ring->next_to_use];  in hns3_map_and_fill_desc()
1691 		dma = dma_map_single(dev, skb->data, size, DMA_TO_DEVICE);  in hns3_map_and_fill_desc()
1708 		u64_stats_update_begin(&ring->syncp);  in hns3_map_and_fill_desc()
1709 		ring->stats.sw_err_cnt++;  in hns3_map_and_fill_desc()
1710 		u64_stats_update_end(&ring->syncp);  in hns3_map_and_fill_desc()
1711 		return -ENOMEM;  in hns3_map_and_fill_desc()
1714 	desc_cb->priv = priv;  in hns3_map_and_fill_desc()
1715 	desc_cb->length = size;  in hns3_map_and_fill_desc()
1716 	desc_cb->dma = dma;  in hns3_map_and_fill_desc()
1717 	desc_cb->type = type;  in hns3_map_and_fill_desc()
1731 		size -= HNS3_MAX_BD_SIZE;  in hns3_skb_bd_num()
1743 	for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {  in hns3_skb_bd_num()
1744 		skb_frag_t *frag = &skb_shinfo(skb)->frags[i];  in hns3_skb_bd_num()
1751 			size -= HNS3_MAX_BD_SIZE;  in hns3_skb_bd_num()
1774 	if (likely(skb->len <= HNS3_MAX_BD_SIZE && !recursion_level &&  in hns3_tx_bd_num()
1776 		   skb_shinfo(skb)->nr_frags < max_non_tso_bd_num))  in hns3_tx_bd_num()
1777 		return skb_shinfo(skb)->nr_frags + 1U;  in hns3_tx_bd_num()
1798 	if (!skb->encapsulation)  in hns3_gso_hdr_len()
1806  * max_non_tso_bd_num - 1 frags to be larger than gso header len + mss,
1807  * and the remaining continuous max_non_tso_bd_num - 1 frags to be larger
1808  * than MSS except the last max_non_tso_bd_num - 1 frags.
1816 	for (i = 0; i < max_non_tso_bd_num - 1U; i++)  in hns3_skb_need_linearized()
1822 	if (tot_len + bd_size[max_non_tso_bd_num - 1U] <  in hns3_skb_need_linearized()
1823 	    skb_shinfo(skb)->gso_size + hns3_gso_hdr_len(skb))  in hns3_skb_need_linearized()
1826 	/* ensure every continuous max_non_tso_bd_num - 1 buffer is greater  in hns3_skb_need_linearized()
1829 	for (i = 0; i < bd_num - max_non_tso_bd_num; i++) {  in hns3_skb_need_linearized()
1830 		tot_len -= bd_size[i];  in hns3_skb_need_linearized()
1831 		tot_len += bd_size[i + max_non_tso_bd_num - 1U];  in hns3_skb_need_linearized()
1833 		if (tot_len < skb_shinfo(skb)->gso_size)  in hns3_skb_need_linearized()
1845 		size[i] = skb_frag_size(&shinfo->frags[i]);  in hns3_shinfo_pack()
1856 		u64_stats_update_begin(&ring->syncp);  in hns3_skb_linearize()
1857 		ring->stats.over_max_recursion++;  in hns3_skb_linearize()
1858 		u64_stats_update_end(&ring->syncp);  in hns3_skb_linearize()
1859 		return -ENOMEM;  in hns3_skb_linearize()
1862 	/* The skb->len has exceeded the hw limitation, linearization  in hns3_skb_linearize()
1865 	if (skb->len > HNS3_MAX_TSO_SIZE ||  in hns3_skb_linearize()
1866 	    (!skb_is_gso(skb) && skb->len > HNS3_MAX_NON_TSO_SIZE)) {  in hns3_skb_linearize()
1867 		u64_stats_update_begin(&ring->syncp);  in hns3_skb_linearize()
1868 		ring->stats.hw_limitation++;  in hns3_skb_linearize()
1869 		u64_stats_update_end(&ring->syncp);  in hns3_skb_linearize()
1870 		return -ENOMEM;  in hns3_skb_linearize()
1874 		u64_stats_update_begin(&ring->syncp);  in hns3_skb_linearize()
1875 		ring->stats.sw_err_cnt++;  in hns3_skb_linearize()
1876 		u64_stats_update_end(&ring->syncp);  in hns3_skb_linearize()
1877 		return -ENOMEM;  in hns3_skb_linearize()
1888 	u8 max_non_tso_bd_num = priv->max_non_tso_bd_num;  in hns3_nic_maybe_stop_tx()
1902 			return -ENOMEM;  in hns3_nic_maybe_stop_tx()
1904 		bd_num = hns3_tx_bd_count(skb->len);  in hns3_nic_maybe_stop_tx()
1906 		u64_stats_update_begin(&ring->syncp);  in hns3_nic_maybe_stop_tx()
1907 		ring->stats.tx_copy++;  in hns3_nic_maybe_stop_tx()
1908 		u64_stats_update_end(&ring->syncp);  in hns3_nic_maybe_stop_tx()
1915 	netif_stop_subqueue(netdev, ring->queue_index);  in hns3_nic_maybe_stop_tx()
1923 	    !test_bit(HNS3_NIC_STATE_DOWN, &priv->state)) {  in hns3_nic_maybe_stop_tx()
1924 		netif_start_subqueue(netdev, ring->queue_index);  in hns3_nic_maybe_stop_tx()
1928 	u64_stats_update_begin(&ring->syncp);  in hns3_nic_maybe_stop_tx()
1929 	ring->stats.tx_busy++;  in hns3_nic_maybe_stop_tx()
1930 	u64_stats_update_end(&ring->syncp);  in hns3_nic_maybe_stop_tx()
1932 	return -EBUSY;  in hns3_nic_maybe_stop_tx()
1940 	for (i = 0; i < ring->desc_num; i++) {  in hns3_clear_desc()
1941 		struct hns3_desc *desc = &ring->desc[ring->next_to_use];  in hns3_clear_desc()
1947 		if (ring->next_to_use == next_to_use_orig)  in hns3_clear_desc()
1953 		desc_cb = &ring->desc_cb[ring->next_to_use];  in hns3_clear_desc()
1955 		if (!desc_cb->dma)  in hns3_clear_desc()
1959 		if (desc_cb->type & (DESC_TYPE_SKB | DESC_TYPE_FRAGLIST_SKB))  in hns3_clear_desc()
1960 			dma_unmap_single(dev, desc_cb->dma, desc_cb->length,  in hns3_clear_desc()
1962 		else if (desc_cb->type &  in hns3_clear_desc()
1964 			hns3_tx_spare_rollback(ring, desc_cb->length);  in hns3_clear_desc()
1965 		else if (desc_cb->length)  in hns3_clear_desc()
1966 			dma_unmap_page(dev, desc_cb->dma, desc_cb->length,  in hns3_clear_desc()
1969 		desc_cb->length = 0;  in hns3_clear_desc()
1970 		desc_cb->dma = 0;  in hns3_clear_desc()
1971 		desc_cb->type = DESC_TYPE_UNKNOWN;  in hns3_clear_desc()
1987 	for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {  in hns3_fill_skb_to_desc()
1988 		skb_frag_t *frag = &skb_shinfo(skb)->frags[i];  in hns3_fill_skb_to_desc()
2012 	ring->pending_buf += num;  in hns3_tx_doorbell()
2015 		u64_stats_update_begin(&ring->syncp);  in hns3_tx_doorbell()
2016 		ring->stats.tx_more++;  in hns3_tx_doorbell()
2017 		u64_stats_update_end(&ring->syncp);  in hns3_tx_doorbell()
2021 	if (!ring->pending_buf)  in hns3_tx_doorbell()
2024 	writel(ring->pending_buf,  in hns3_tx_doorbell()
2025 	       ring->tqp->io_base + HNS3_RING_TX_RING_TAIL_REG);  in hns3_tx_doorbell()
2026 	ring->pending_buf = 0;  in hns3_tx_doorbell()
2027 	WRITE_ONCE(ring->last_to_use, ring->next_to_use);  in hns3_tx_doorbell()
2035 	if (!(h->ae_algo->ops->set_tx_hwts_info &&  in hns3_tsyn()
2036 	      h->ae_algo->ops->set_tx_hwts_info(h, skb)))  in hns3_tsyn()
2039 	desc->tx.bdtp_fe_sc_vld_ra_ri |= cpu_to_le16(BIT(HNS3_TXD_TSYN_B));  in hns3_tsyn()
2045 	struct hns3_desc_cb *desc_cb = &ring->desc_cb[ring->next_to_use];  in hns3_handle_tx_bounce()
2054 	if (skb->len <= ring->tx_copybreak) {  in hns3_handle_tx_bounce()
2055 		size = skb->len;  in hns3_handle_tx_bounce()
2067 		u64_stats_update_begin(&ring->syncp);  in hns3_handle_tx_bounce()
2068 		ring->stats.copy_bits_err++;  in hns3_handle_tx_bounce()
2069 		u64_stats_update_end(&ring->syncp);  in hns3_handle_tx_bounce()
2073 	desc_cb->priv = skb;  in hns3_handle_tx_bounce()
2074 	desc_cb->length = cb_len;  in hns3_handle_tx_bounce()
2075 	desc_cb->dma = dma;  in hns3_handle_tx_bounce()
2076 	desc_cb->type = type;  in hns3_handle_tx_bounce()
2092 	u64_stats_update_begin(&ring->syncp);  in hns3_handle_tx_bounce()
2093 	ring->stats.tx_bounce++;  in hns3_handle_tx_bounce()
2094 	u64_stats_update_end(&ring->syncp);  in hns3_handle_tx_bounce()
2101 	struct hns3_desc_cb *desc_cb = &ring->desc_cb[ring->next_to_use];  in hns3_handle_tx_sgl()
2102 	u32 nfrag = skb_shinfo(skb)->nr_frags + 1;  in hns3_handle_tx_sgl()
2119 	sgt->sgl = (struct scatterlist *)(sgt + 1);  in hns3_handle_tx_sgl()
2120 	sg_init_table(sgt->sgl, nfrag);  in hns3_handle_tx_sgl()
2121 	nents = skb_to_sgvec(skb, sgt->sgl, 0, skb->len);  in hns3_handle_tx_sgl()
2124 		u64_stats_update_begin(&ring->syncp);  in hns3_handle_tx_sgl()
2125 		ring->stats.skb2sgl_err++;  in hns3_handle_tx_sgl()
2126 		u64_stats_update_end(&ring->syncp);  in hns3_handle_tx_sgl()
2127 		return -ENOMEM;  in hns3_handle_tx_sgl()
2130 	sgt->orig_nents = nents;  in hns3_handle_tx_sgl()
2131 	sgt->nents = dma_map_sg(ring_to_dev(ring), sgt->sgl, sgt->orig_nents,  in hns3_handle_tx_sgl()
2133 	if (unlikely(!sgt->nents)) {  in hns3_handle_tx_sgl()
2135 		u64_stats_update_begin(&ring->syncp);  in hns3_handle_tx_sgl()
2136 		ring->stats.map_sg_err++;  in hns3_handle_tx_sgl()
2137 		u64_stats_update_end(&ring->syncp);  in hns3_handle_tx_sgl()
2138 		return -ENOMEM;  in hns3_handle_tx_sgl()
2141 	desc_cb->priv = skb;  in hns3_handle_tx_sgl()
2142 	desc_cb->length = cb_len;  in hns3_handle_tx_sgl()
2143 	desc_cb->dma = dma;  in hns3_handle_tx_sgl()
2144 	desc_cb->type = DESC_TYPE_SGL_SKB;  in hns3_handle_tx_sgl()
2146 	for (i = 0; i < sgt->nents; i++)  in hns3_handle_tx_sgl()
2147 		bd_num += hns3_fill_desc(ring, sg_dma_address(sgt->sgl + i),  in hns3_handle_tx_sgl()
2148 					 sg_dma_len(sgt->sgl + i));  in hns3_handle_tx_sgl()
2150 	u64_stats_update_begin(&ring->syncp);  in hns3_handle_tx_sgl()
2151 	ring->stats.tx_sgl++;  in hns3_handle_tx_sgl()
2152 	u64_stats_update_end(&ring->syncp);  in hns3_handle_tx_sgl()
2162 	if (!ring->tx_spare)  in hns3_handle_desc_filling()
2180 	struct hns3_enet_ring *ring = &priv->ring[skb->queue_mapping];  in hns3_nic_net_xmit()
2181 	struct hns3_desc_cb *desc_cb = &ring->desc_cb[ring->next_to_use];  in hns3_nic_net_xmit()
2191 		u64_stats_update_begin(&ring->syncp);  in hns3_nic_net_xmit()
2192 		ring->stats.sw_err_cnt++;  in hns3_nic_net_xmit()
2193 		u64_stats_update_end(&ring->syncp);  in hns3_nic_net_xmit()
2199 	prefetch(skb->data);  in hns3_nic_net_xmit()
2203 		if (ret == -EBUSY) {  in hns3_nic_net_xmit()
2212 	next_to_use_head = ring->next_to_use;  in hns3_nic_net_xmit()
2214 	ret = hns3_fill_skb_desc(ring, skb, &ring->desc[ring->next_to_use],  in hns3_nic_net_xmit()
2219 	/* 'ret < 0' means filling error, 'ret == 0' means skb->len is  in hns3_nic_net_xmit()
2227 	pre_ntu = ring->next_to_use ? (ring->next_to_use - 1) :  in hns3_nic_net_xmit()
2228 					(ring->desc_num - 1);  in hns3_nic_net_xmit()
2230 	if (unlikely(skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP))  in hns3_nic_net_xmit()
2231 		hns3_tsyn(netdev, skb, &ring->desc[pre_ntu]);  in hns3_nic_net_xmit()
2233 	ring->desc[pre_ntu].tx.bdtp_fe_sc_vld_ra_ri |=  in hns3_nic_net_xmit()
2240 	dev_queue = netdev_get_tx_queue(netdev, ring->queue_index);  in hns3_nic_net_xmit()
2241 	doorbell = __netdev_tx_sent_queue(dev_queue, desc_cb->send_bytes,  in hns3_nic_net_xmit()
2262 	if (!mac_addr || !is_valid_ether_addr((const u8 *)mac_addr->sa_data))  in hns3_nic_net_set_mac_address()
2263 		return -EADDRNOTAVAIL;  in hns3_nic_net_set_mac_address()
2265 	if (ether_addr_equal(netdev->dev_addr, mac_addr->sa_data)) {  in hns3_nic_net_set_mac_address()
2267 			    mac_addr->sa_data);  in hns3_nic_net_set_mac_address()
2274 	if (!hns3_is_phys_func(h->pdev) &&  in hns3_nic_net_set_mac_address()
2275 	    !is_zero_ether_addr(netdev->perm_addr)) {  in hns3_nic_net_set_mac_address()
2277 			   netdev->perm_addr, mac_addr->sa_data);  in hns3_nic_net_set_mac_address()
2278 		return -EPERM;  in hns3_nic_net_set_mac_address()
2281 	ret = h->ae_algo->ops->set_mac_addr(h, mac_addr->sa_data, false);  in hns3_nic_net_set_mac_address()
2287 	ether_addr_copy(netdev->dev_addr, mac_addr->sa_data);  in hns3_nic_net_set_mac_address()
2298 		return -EINVAL;  in hns3_nic_do_ioctl()
2300 	if (!h->ae_algo->ops->do_ioctl)  in hns3_nic_do_ioctl()
2301 		return -EOPNOTSUPP;  in hns3_nic_do_ioctl()
2303 	return h->ae_algo->ops->do_ioctl(h, ifr, cmd);  in hns3_nic_do_ioctl()
2309 	netdev_features_t changed = netdev->features ^ features;  in hns3_nic_set_features()
2311 	struct hnae3_handle *h = priv->ae_handle;  in hns3_nic_set_features()
2315 	if (changed & (NETIF_F_GRO_HW) && h->ae_algo->ops->set_gro_en) {  in hns3_nic_set_features()
2317 		ret = h->ae_algo->ops->set_gro_en(h, enable);  in hns3_nic_set_features()
2323 	    h->ae_algo->ops->enable_hw_strip_rxvtag) {  in hns3_nic_set_features()
2325 		ret = h->ae_algo->ops->enable_hw_strip_rxvtag(h, enable);  in hns3_nic_set_features()
2330 	if ((changed & NETIF_F_NTUPLE) && h->ae_algo->ops->enable_fd) {  in hns3_nic_set_features()
2332 		h->ae_algo->ops->enable_fd(h, enable);  in hns3_nic_set_features()
2335 	if ((netdev->features & NETIF_F_HW_TC) > (features & NETIF_F_HW_TC) &&  in hns3_nic_set_features()
2336 	    h->ae_algo->ops->cls_flower_active(h)) {  in hns3_nic_set_features()
2339 		return -EINVAL;  in hns3_nic_set_features()
2343 	    h->ae_algo->ops->enable_vlan_filter) {  in hns3_nic_set_features()
2345 		ret = h->ae_algo->ops->enable_vlan_filter(h, enable);  in hns3_nic_set_features()
2350 	netdev->features = features;  in hns3_nic_set_features()
2363 	if (skb->ip_summed != CHECKSUM_PARTIAL)  in hns3_features_check()
2366 	if (skb->encapsulation)  in hns3_features_check()
2367 		len = skb_inner_transport_header(skb) - skb->data;  in hns3_features_check()
2369 		len = skb_transport_header(skb) - skb->data;  in hns3_features_check()
2389 	int queue_num = priv->ae_handle->kinfo.num_tqps;  in hns3_nic_get_stats64()
2390 	struct hnae3_handle *handle = priv->ae_handle;  in hns3_nic_get_stats64()
2406 	if (test_bit(HNS3_NIC_STATE_DOWN, &priv->state))  in hns3_nic_get_stats64()
2409 	handle->ae_algo->ops->update_stats(handle, &netdev->stats);  in hns3_nic_get_stats64()
2413 		ring = &priv->ring[idx];  in hns3_nic_get_stats64()
2415 			start = u64_stats_fetch_begin_irq(&ring->syncp);  in hns3_nic_get_stats64()
2416 			tx_bytes += ring->stats.tx_bytes;  in hns3_nic_get_stats64()
2417 			tx_pkts += ring->stats.tx_pkts;  in hns3_nic_get_stats64()
2418 			tx_drop += ring->stats.sw_err_cnt;  in hns3_nic_get_stats64()
2419 			tx_drop += ring->stats.tx_vlan_err;  in hns3_nic_get_stats64()
2420 			tx_drop += ring->stats.tx_l4_proto_err;  in hns3_nic_get_stats64()
2421 			tx_drop += ring->stats.tx_l2l3l4_err;  in hns3_nic_get_stats64()
2422 			tx_drop += ring->stats.tx_tso_err;  in hns3_nic_get_stats64()
2423 			tx_drop += ring->stats.over_max_recursion;  in hns3_nic_get_stats64()
2424 			tx_drop += ring->stats.hw_limitation;  in hns3_nic_get_stats64()
2425 			tx_drop += ring->stats.copy_bits_err;  in hns3_nic_get_stats64()
2426 			tx_drop += ring->stats.skb2sgl_err;  in hns3_nic_get_stats64()
2427 			tx_drop += ring->stats.map_sg_err;  in hns3_nic_get_stats64()
2428 			tx_errors += ring->stats.sw_err_cnt;  in hns3_nic_get_stats64()
2429 			tx_errors += ring->stats.tx_vlan_err;  in hns3_nic_get_stats64()
2430 			tx_errors += ring->stats.tx_l4_proto_err;  in hns3_nic_get_stats64()
2431 			tx_errors += ring->stats.tx_l2l3l4_err;  in hns3_nic_get_stats64()
2432 			tx_errors += ring->stats.tx_tso_err;  in hns3_nic_get_stats64()
2433 			tx_errors += ring->stats.over_max_recursion;  in hns3_nic_get_stats64()
2434 			tx_errors += ring->stats.hw_limitation;  in hns3_nic_get_stats64()
2435 			tx_errors += ring->stats.copy_bits_err;  in hns3_nic_get_stats64()
2436 			tx_errors += ring->stats.skb2sgl_err;  in hns3_nic_get_stats64()
2437 			tx_errors += ring->stats.map_sg_err;  in hns3_nic_get_stats64()
2438 		} while (u64_stats_fetch_retry_irq(&ring->syncp, start));  in hns3_nic_get_stats64()
2441 		ring = &priv->ring[idx + queue_num];  in hns3_nic_get_stats64()
2443 			start = u64_stats_fetch_begin_irq(&ring->syncp);  in hns3_nic_get_stats64()
2444 			rx_bytes += ring->stats.rx_bytes;  in hns3_nic_get_stats64()
2445 			rx_pkts += ring->stats.rx_pkts;  in hns3_nic_get_stats64()
2446 			rx_drop += ring->stats.l2_err;  in hns3_nic_get_stats64()
2447 			rx_errors += ring->stats.l2_err;  in hns3_nic_get_stats64()
2448 			rx_errors += ring->stats.l3l4_csum_err;  in hns3_nic_get_stats64()
2449 			rx_crc_errors += ring->stats.l2_err;  in hns3_nic_get_stats64()
2450 			rx_multicast += ring->stats.rx_multicast;  in hns3_nic_get_stats64()
2451 			rx_length_errors += ring->stats.err_pkt_len;  in hns3_nic_get_stats64()
2452 		} while (u64_stats_fetch_retry_irq(&ring->syncp, start));  in hns3_nic_get_stats64()
2455 	stats->tx_bytes = tx_bytes;  in hns3_nic_get_stats64()
2456 	stats->tx_packets = tx_pkts;  in hns3_nic_get_stats64()
2457 	stats->rx_bytes = rx_bytes;  in hns3_nic_get_stats64()
2458 	stats->rx_packets = rx_pkts;  in hns3_nic_get_stats64()
2460 	stats->rx_errors = rx_errors;  in hns3_nic_get_stats64()
2461 	stats->multicast = rx_multicast;  in hns3_nic_get_stats64()
2462 	stats->rx_length_errors = rx_length_errors;  in hns3_nic_get_stats64()
2463 	stats->rx_crc_errors = rx_crc_errors;  in hns3_nic_get_stats64()
2464 	stats->rx_missed_errors = netdev->stats.rx_missed_errors;  in hns3_nic_get_stats64()
2466 	stats->tx_errors = tx_errors;  in hns3_nic_get_stats64()
2467 	stats->rx_dropped = rx_drop;  in hns3_nic_get_stats64()
2468 	stats->tx_dropped = tx_drop;  in hns3_nic_get_stats64()
2469 	stats->collisions = netdev->stats.collisions;  in hns3_nic_get_stats64()
2470 	stats->rx_over_errors = netdev->stats.rx_over_errors;  in hns3_nic_get_stats64()
2471 	stats->rx_frame_errors = netdev->stats.rx_frame_errors;  in hns3_nic_get_stats64()
2472 	stats->rx_fifo_errors = netdev->stats.rx_fifo_errors;  in hns3_nic_get_stats64()
2473 	stats->tx_aborted_errors = netdev->stats.tx_aborted_errors;  in hns3_nic_get_stats64()
2474 	stats->tx_carrier_errors = netdev->stats.tx_carrier_errors;  in hns3_nic_get_stats64()
2475 	stats->tx_fifo_errors = netdev->stats.tx_fifo_errors;  in hns3_nic_get_stats64()
2476 	stats->tx_heartbeat_errors = netdev->stats.tx_heartbeat_errors;  in hns3_nic_get_stats64()
2477 	stats->tx_window_errors = netdev->stats.tx_window_errors;  in hns3_nic_get_stats64()
2478 	stats->rx_compressed = netdev->stats.rx_compressed;  in hns3_nic_get_stats64()
2479 	stats->tx_compressed = netdev->stats.tx_compressed;  in hns3_nic_get_stats64()
2486 	u8 tc = mqprio_qopt->qopt.num_tc;  in hns3_setup_tc()
2487 	u16 mode = mqprio_qopt->mode;  in hns3_setup_tc()
2488 	u8 hw = mqprio_qopt->qopt.hw;  in hns3_setup_tc()
2493 		return -EOPNOTSUPP;  in hns3_setup_tc()
2496 		return -EINVAL;  in hns3_setup_tc()
2499 		return -EINVAL;  in hns3_setup_tc()
2502 	kinfo = &h->kinfo;  in hns3_setup_tc()
2506 	return (kinfo->dcb_ops && kinfo->dcb_ops->setup_tc) ?  in hns3_setup_tc()
2507 		kinfo->dcb_ops->setup_tc(h, mqprio_qopt) : -EOPNOTSUPP;  in hns3_setup_tc()
2513 	int tc = tc_classid_to_hwtc(priv->netdev, flow->classid);  in hns3_setup_tc_cls_flower()
2514 	struct hnae3_handle *h = hns3_get_handle(priv->netdev);  in hns3_setup_tc_cls_flower()
2516 	switch (flow->command) {  in hns3_setup_tc_cls_flower()
2518 		if (h->ae_algo->ops->add_cls_flower)  in hns3_setup_tc_cls_flower()
2519 			return h->ae_algo->ops->add_cls_flower(h, flow, tc);  in hns3_setup_tc_cls_flower()
2522 		if (h->ae_algo->ops->del_cls_flower)  in hns3_setup_tc_cls_flower()
2523 			return h->ae_algo->ops->del_cls_flower(h, flow);  in hns3_setup_tc_cls_flower()
2529 	return -EOPNOTSUPP;  in hns3_setup_tc_cls_flower()
2537 	if (!tc_cls_can_offload_and_chain0(priv->netdev, type_data))  in hns3_setup_tc_block_cb()
2538 		return -EOPNOTSUPP;  in hns3_setup_tc_block_cb()
2544 		return -EOPNOTSUPP;  in hns3_setup_tc_block_cb()
2567 		return -EOPNOTSUPP;  in hns3_nic_setup_tc()
2577 	int ret = -EIO;  in hns3_vlan_rx_add_vid()
2579 	if (h->ae_algo->ops->set_vlan_filter)  in hns3_vlan_rx_add_vid()
2580 		ret = h->ae_algo->ops->set_vlan_filter(h, proto, vid, false);  in hns3_vlan_rx_add_vid()
2589 	int ret = -EIO;  in hns3_vlan_rx_kill_vid()
2591 	if (h->ae_algo->ops->set_vlan_filter)  in hns3_vlan_rx_kill_vid()
2592 		ret = h->ae_algo->ops->set_vlan_filter(h, proto, vid, true);  in hns3_vlan_rx_kill_vid()
2601 	int ret = -EIO;  in hns3_ndo_set_vf_vlan()
2607 	if (h->ae_algo->ops->set_vf_vlan_filter)  in hns3_ndo_set_vf_vlan()
2608 		ret = h->ae_algo->ops->set_vf_vlan_filter(h, vf, vlan,  in hns3_ndo_set_vf_vlan()
2619 		return -EBUSY;  in hns3_set_vf_spoofchk()
2621 	if (!handle->ae_algo->ops->set_vf_spoofchk)  in hns3_set_vf_spoofchk()
2622 		return -EOPNOTSUPP;  in hns3_set_vf_spoofchk()
2624 	return handle->ae_algo->ops->set_vf_spoofchk(handle, vf, enable);  in hns3_set_vf_spoofchk()
2631 	if (!handle->ae_algo->ops->set_vf_trust)  in hns3_set_vf_trust()
2632 		return -EOPNOTSUPP;  in hns3_set_vf_trust()
2634 	return handle->ae_algo->ops->set_vf_trust(handle, vf, enable);  in hns3_set_vf_trust()
2643 		return -EBUSY;  in hns3_nic_change_mtu()
2645 	if (!h->ae_algo->ops->set_mtu)  in hns3_nic_change_mtu()
2646 		return -EOPNOTSUPP;  in hns3_nic_change_mtu()
2649 		  "change mtu from %u to %d\n", netdev->mtu, new_mtu);  in hns3_nic_change_mtu()
2651 	ret = h->ae_algo->ops->set_mtu(h, new_mtu);  in hns3_nic_change_mtu()
2656 		netdev->mtu = new_mtu;  in hns3_nic_change_mtu()
2676 	for (i = 0; i < ndev->num_tx_queues; i++) {  in hns3_get_tx_timeo_queue_info()
2681 		trans_start = q->trans_start;  in hns3_get_tx_timeo_queue_info()
2684 			       (trans_start + ndev->watchdog_timeo))) {  in hns3_get_tx_timeo_queue_info()
2687 				    q->state,  in hns3_get_tx_timeo_queue_info()
2688 				    jiffies_to_msecs(jiffies - trans_start));  in hns3_get_tx_timeo_queue_info()
2693 	if (i == ndev->num_tx_queues) {  in hns3_get_tx_timeo_queue_info()
2696 			    priv->tx_timeout_count);  in hns3_get_tx_timeo_queue_info()
2700 	priv->tx_timeout_count++;  in hns3_get_tx_timeo_queue_info()
2702 	tx_ring = &priv->ring[timeout_queue];  in hns3_get_tx_timeo_queue_info()
2703 	napi = &tx_ring->tqp_vector->napi;  in hns3_get_tx_timeo_queue_info()
2707 		    priv->tx_timeout_count, timeout_queue, tx_ring->next_to_use,  in hns3_get_tx_timeo_queue_info()
2708 		    tx_ring->next_to_clean, napi->state);  in hns3_get_tx_timeo_queue_info()
2712 		    tx_ring->stats.tx_pkts, tx_ring->stats.tx_bytes,  in hns3_get_tx_timeo_queue_info()
2713 		    tx_ring->stats.sw_err_cnt, tx_ring->pending_buf);  in hns3_get_tx_timeo_queue_info()
2717 		    tx_ring->stats.seg_pkt_cnt, tx_ring->stats.tx_more,  in hns3_get_tx_timeo_queue_info()
2718 		    tx_ring->stats.restart_queue, tx_ring->stats.tx_busy);  in hns3_get_tx_timeo_queue_info()
2723 	if (h->ae_algo->ops->get_mac_stats) {  in hns3_get_tx_timeo_queue_info()
2726 		h->ae_algo->ops->get_mac_stats(h, &mac_stats);  in hns3_get_tx_timeo_queue_info()
2731 	hw_head = readl_relaxed(tx_ring->tqp->io_base +  in hns3_get_tx_timeo_queue_info()
2733 	hw_tail = readl_relaxed(tx_ring->tqp->io_base +  in hns3_get_tx_timeo_queue_info()
2735 	fbd_num = readl_relaxed(tx_ring->tqp->io_base +  in hns3_get_tx_timeo_queue_info()
2737 	fbd_oft = readl_relaxed(tx_ring->tqp->io_base +  in hns3_get_tx_timeo_queue_info()
2739 	ebd_num = readl_relaxed(tx_ring->tqp->io_base +  in hns3_get_tx_timeo_queue_info()
2741 	ebd_oft = readl_relaxed(tx_ring->tqp->io_base +  in hns3_get_tx_timeo_queue_info()
2743 	bd_num = readl_relaxed(tx_ring->tqp->io_base +  in hns3_get_tx_timeo_queue_info()
2745 	bd_err = readl_relaxed(tx_ring->tqp->io_base +  in hns3_get_tx_timeo_queue_info()
2747 	ring_en = readl_relaxed(tx_ring->tqp->io_base + HNS3_RING_EN_REG);  in hns3_get_tx_timeo_queue_info()
2748 	tc = readl_relaxed(tx_ring->tqp->io_base + HNS3_RING_TX_RING_TC_REG);  in hns3_get_tx_timeo_queue_info()
2753 		    readl(tx_ring->tqp_vector->mask_addr));  in hns3_get_tx_timeo_queue_info()
2764 	struct hnae3_handle *h = priv->ae_handle;  in hns3_nic_net_timeout()
2772 	if (h->ae_algo->ops->reset_event)  in hns3_nic_net_timeout()
2773 		h->ae_algo->ops->reset_event(h->pdev, h);  in hns3_nic_net_timeout()
2783 	if (!h->ae_algo->ops->add_arfs_entry)  in hns3_rx_flow_steer()
2784 		return -EOPNOTSUPP;  in hns3_rx_flow_steer()
2786 	if (skb->encapsulation)  in hns3_rx_flow_steer()
2787 		return -EPROTONOSUPPORT;  in hns3_rx_flow_steer()
2790 		return -EPROTONOSUPPORT;  in hns3_rx_flow_steer()
2796 		return -EPROTONOSUPPORT;  in hns3_rx_flow_steer()
2798 	return h->ae_algo->ops->add_arfs_entry(h, rxq_index, flow_id, &fkeys);  in hns3_rx_flow_steer()
2807 	if (!h->ae_algo->ops->get_vf_config)  in hns3_nic_get_vf_config()
2808 		return -EOPNOTSUPP;  in hns3_nic_get_vf_config()
2810 	return h->ae_algo->ops->get_vf_config(h, vf, ivf);  in hns3_nic_get_vf_config()
2818 	if (!h->ae_algo->ops->set_vf_link_state)  in hns3_nic_set_vf_link_state()
2819 		return -EOPNOTSUPP;  in hns3_nic_set_vf_link_state()
2821 	return h->ae_algo->ops->set_vf_link_state(h, vf, link_state);  in hns3_nic_set_vf_link_state()
2829 	if (!h->ae_algo->ops->set_vf_rate)  in hns3_nic_set_vf_rate()
2830 		return -EOPNOTSUPP;  in hns3_nic_set_vf_rate()
2832 	return h->ae_algo->ops->set_vf_rate(h, vf, min_tx_rate, max_tx_rate,  in hns3_nic_set_vf_rate()
2840 	if (!h->ae_algo->ops->set_vf_mac)  in hns3_nic_set_vf_mac()
2841 		return -EOPNOTSUPP;  in hns3_nic_set_vf_mac()
2847 		return -EINVAL;  in hns3_nic_set_vf_mac()
2850 	return h->ae_algo->ops->set_vf_mac(h, vf_id, mac);  in hns3_nic_set_vf_mac()
2882 	u32 dev_id = pdev->device;  in hns3_is_phys_func()
2898 		dev_warn(&pdev->dev, "un-recognized pci device-id %u",  in hns3_is_phys_func()
2907 	/* If our VFs are assigned we cannot shut down SR-IOV  in hns3_disable_sriov()
2912 		dev_warn(&pdev->dev,  in hns3_disable_sriov()
2920 /* hns3_probe - Device initialization routine
2935 	ae_dev = devm_kzalloc(&pdev->dev, sizeof(*ae_dev), GFP_KERNEL);  in hns3_probe()
2937 		return -ENOMEM;  in hns3_probe()
2939 	ae_dev->pdev = pdev;  in hns3_probe()
2940 	ae_dev->flag = ent->driver_data;  in hns3_probe()
2950 /* hns3_remove - Device removal routine
2977 		dev_warn(&pdev->dev, "Can not config SRIOV\n");  in hns3_pci_sriov_configure()
2978 		return -EINVAL;  in hns3_pci_sriov_configure()
2984 			dev_err(&pdev->dev, "SRIOV enable failed %d\n", ret);  in hns3_pci_sriov_configure()
2990 		dev_warn(&pdev->dev,  in hns3_pci_sriov_configure()
3012 	if (ae_dev && hns3_is_phys_func(ae_dev->pdev)) {  in hns3_suspend()
3014 		if (ae_dev->ops && ae_dev->ops->reset_prepare)  in hns3_suspend()
3015 			ae_dev->ops->reset_prepare(ae_dev, HNAE3_FUNC_RESET);  in hns3_suspend()
3025 	if (ae_dev && hns3_is_phys_func(ae_dev->pdev)) {  in hns3_resume()
3027 		if (ae_dev->ops && ae_dev->ops->reset_done)  in hns3_resume()
3028 			ae_dev->ops->reset_done(ae_dev);  in hns3_resume()
3040 	dev_info(&pdev->dev, "PCI error detected, state(=%u)!!\n", state);  in hns3_error_detected()
3045 	if (!ae_dev || !ae_dev->ops) {  in hns3_error_detected()
3046 		dev_err(&pdev->dev,  in hns3_error_detected()
3047 			"Can't recover - error happened before device initialized\n");  in hns3_error_detected()
3051 	if (ae_dev->ops->handle_hw_ras_error)  in hns3_error_detected()
3052 		ret = ae_dev->ops->handle_hw_ras_error(ae_dev);  in hns3_error_detected()
3064 	struct device *dev = &pdev->dev;  in hns3_slot_reset()
3066 	if (!ae_dev || !ae_dev->ops)  in hns3_slot_reset()
3069 	ops = ae_dev->ops;  in hns3_slot_reset()
3071 	if (ops->reset_event && ops->get_reset_level &&  in hns3_slot_reset()
3072 	    ops->set_default_reset_request) {  in hns3_slot_reset()
3073 		if (ae_dev->hw_err_reset_req) {  in hns3_slot_reset()
3074 			reset_type = ops->get_reset_level(ae_dev,  in hns3_slot_reset()
3075 						&ae_dev->hw_err_reset_req);  in hns3_slot_reset()
3076 			ops->set_default_reset_request(ae_dev, reset_type);  in hns3_slot_reset()
3078 			ops->reset_event(pdev, NULL);  in hns3_slot_reset()
3091 	dev_info(&pdev->dev, "FLR prepare\n");  in hns3_reset_prepare()
3092 	if (ae_dev && ae_dev->ops && ae_dev->ops->reset_prepare)  in hns3_reset_prepare()
3093 		ae_dev->ops->reset_prepare(ae_dev, HNAE3_FLR_RESET);  in hns3_reset_prepare()
3100 	dev_info(&pdev->dev, "FLR done\n");  in hns3_reset_done()
3101 	if (ae_dev && ae_dev->ops && ae_dev->ops->reset_done)  in hns3_reset_done()
3102 		ae_dev->ops->reset_done(ae_dev);  in hns3_reset_done()
3129 	struct pci_dev *pdev = h->pdev;  in hns3_set_default_feature()
3132 	netdev->priv_flags |= IFF_UNICAST_FLT;  in hns3_set_default_feature()
3134 	netdev->gso_partial_features |= NETIF_F_GSO_GRE_CSUM;  in hns3_set_default_feature()
3136 	netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER |  in hns3_set_default_feature()
3143 	if (ae_dev->dev_version >= HNAE3_DEVICE_VERSION_V2) {  in hns3_set_default_feature()
3144 		netdev->features |= NETIF_F_GRO_HW;  in hns3_set_default_feature()
3146 		if (!(h->flags & HNAE3_SUPPORT_VF))  in hns3_set_default_feature()
3147 			netdev->features |= NETIF_F_NTUPLE;  in hns3_set_default_feature()
3150 	if (test_bit(HNAE3_DEV_SUPPORT_UDP_GSO_B, ae_dev->caps))  in hns3_set_default_feature()
3151 		netdev->features |= NETIF_F_GSO_UDP_L4;  in hns3_set_default_feature()
3153 	if (test_bit(HNAE3_DEV_SUPPORT_HW_TX_CSUM_B, ae_dev->caps))  in hns3_set_default_feature()
3154 		netdev->features |= NETIF_F_HW_CSUM;  in hns3_set_default_feature()
3156 		netdev->features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM;  in hns3_set_default_feature()
3158 	if (test_bit(HNAE3_DEV_SUPPORT_UDP_TUNNEL_CSUM_B, ae_dev->caps))  in hns3_set_default_feature()
3159 		netdev->features |= NETIF_F_GSO_UDP_TUNNEL_CSUM;  in hns3_set_default_feature()
3161 	if (test_bit(HNAE3_DEV_SUPPORT_FD_FORWARD_TC_B, ae_dev->caps))  in hns3_set_default_feature()
3162 		netdev->features |= NETIF_F_HW_TC;  in hns3_set_default_feature()
3164 	netdev->hw_features |= netdev->features;  in hns3_set_default_feature()
3165 	if (!test_bit(HNAE3_DEV_SUPPORT_VLAN_FLTR_MDF_B, ae_dev->caps))  in hns3_set_default_feature()
3166 		netdev->hw_features &= ~NETIF_F_HW_VLAN_CTAG_FILTER;  in hns3_set_default_feature()
3168 	netdev->vlan_features |= netdev->features &  in hns3_set_default_feature()
3173 	netdev->hw_enc_features |= netdev->vlan_features | NETIF_F_TSO_MANGLEID;  in hns3_set_default_feature()
3182 	if (ring->page_pool) {  in hns3_alloc_buffer()
3183 		p = page_pool_dev_alloc_frag(ring->page_pool,  in hns3_alloc_buffer()
3184 					     &cb->page_offset,  in hns3_alloc_buffer()
3187 			return -ENOMEM;  in hns3_alloc_buffer()
3189 		cb->priv = p;  in hns3_alloc_buffer()
3190 		cb->buf = page_address(p);  in hns3_alloc_buffer()
3191 		cb->dma = page_pool_get_dma_addr(p);  in hns3_alloc_buffer()
3192 		cb->type = DESC_TYPE_PP_FRAG;  in hns3_alloc_buffer()
3193 		cb->reuse_flag = 0;  in hns3_alloc_buffer()
3199 		return -ENOMEM;  in hns3_alloc_buffer()
3201 	cb->priv = p;  in hns3_alloc_buffer()
3202 	cb->page_offset = 0;  in hns3_alloc_buffer()
3203 	cb->reuse_flag = 0;  in hns3_alloc_buffer()
3204 	cb->buf  = page_address(p);  in hns3_alloc_buffer()
3205 	cb->length = hns3_page_size(ring);  in hns3_alloc_buffer()
3206 	cb->type = DESC_TYPE_PAGE;  in hns3_alloc_buffer()
3207 	page_ref_add(p, USHRT_MAX - 1);  in hns3_alloc_buffer()
3208 	cb->pagecnt_bias = USHRT_MAX;  in hns3_alloc_buffer()
3216 	if (cb->type & (DESC_TYPE_SKB | DESC_TYPE_BOUNCE_HEAD |  in hns3_free_buffer()
3218 		napi_consume_skb(cb->priv, budget);  in hns3_free_buffer()
3220 		if (cb->type & DESC_TYPE_PAGE && cb->pagecnt_bias)  in hns3_free_buffer()
3221 			__page_frag_cache_drain(cb->priv, cb->pagecnt_bias);  in hns3_free_buffer()
3222 		else if (cb->type & DESC_TYPE_PP_FRAG)  in hns3_free_buffer()
3223 			page_pool_put_full_page(ring->page_pool, cb->priv,  in hns3_free_buffer()
3231 	cb->dma = dma_map_page(ring_to_dev(ring), cb->priv, 0,  in hns3_map_buffer()
3232 			       cb->length, ring_to_dma_dir(ring));  in hns3_map_buffer()
3234 	if (unlikely(dma_mapping_error(ring_to_dev(ring), cb->dma)))  in hns3_map_buffer()
3235 		return -EIO;  in hns3_map_buffer()
3243 	if (cb->type & (DESC_TYPE_SKB | DESC_TYPE_FRAGLIST_SKB))  in hns3_unmap_buffer()
3244 		dma_unmap_single(ring_to_dev(ring), cb->dma, cb->length,  in hns3_unmap_buffer()
3246 	else if ((cb->type & DESC_TYPE_PAGE) && cb->length)  in hns3_unmap_buffer()
3247 		dma_unmap_page(ring_to_dev(ring), cb->dma, cb->length,  in hns3_unmap_buffer()
3249 	else if (cb->type & (DESC_TYPE_BOUNCE_ALL | DESC_TYPE_BOUNCE_HEAD |  in hns3_unmap_buffer()
3256 	hns3_unmap_buffer(ring, &ring->desc_cb[i]);  in hns3_buffer_detach()
3257 	ring->desc[i].addr = 0;  in hns3_buffer_detach()
3258 	ring->desc_cb[i].refill = 0;  in hns3_buffer_detach()
3264 	struct hns3_desc_cb *cb = &ring->desc_cb[i];  in hns3_free_buffer_detach()
3266 	if (!ring->desc_cb[i].dma)  in hns3_free_buffer_detach()
3277 	for (i = 0; i < ring->desc_num; i++)  in hns3_free_buffers()
3284 	int size = ring->desc_num * sizeof(ring->desc[0]);  in hns3_free_desc()
3288 	if (ring->desc) {  in hns3_free_desc()
3290 				  ring->desc, ring->desc_dma_addr);  in hns3_free_desc()
3291 		ring->desc = NULL;  in hns3_free_desc()
3297 	int size = ring->desc_num * sizeof(ring->desc[0]);  in hns3_alloc_desc()
3299 	ring->desc = dma_alloc_coherent(ring_to_dev(ring), size,  in hns3_alloc_desc()
3300 					&ring->desc_dma_addr, GFP_KERNEL);  in hns3_alloc_desc()
3301 	if (!ring->desc)  in hns3_alloc_desc()
3302 		return -ENOMEM;  in hns3_alloc_desc()
3313 	if (ret || ring->page_pool)  in hns3_alloc_and_map_buffer()
3330 	int ret = hns3_alloc_and_map_buffer(ring, &ring->desc_cb[i]);  in hns3_alloc_and_attach_buffer()
3335 	ring->desc[i].addr = cpu_to_le64(ring->desc_cb[i].dma +  in hns3_alloc_and_attach_buffer()
3336 					 ring->desc_cb[i].page_offset);  in hns3_alloc_and_attach_buffer()
3337 	ring->desc_cb[i].refill = 1;  in hns3_alloc_and_attach_buffer()
3347 	for (i = 0; i < ring->desc_num; i++) {  in hns3_alloc_ring_buffers()
3356 	for (j = i - 1; j >= 0; j--)  in hns3_alloc_ring_buffers()
3361 /* detach a in-used buffer and replace with a reserved one */
3365 	hns3_unmap_buffer(ring, &ring->desc_cb[i]);  in hns3_replace_buffer()
3366 	ring->desc_cb[i] = *res_cb;  in hns3_replace_buffer()
3367 	ring->desc_cb[i].refill = 1;  in hns3_replace_buffer()
3368 	ring->desc[i].addr = cpu_to_le64(ring->desc_cb[i].dma +  in hns3_replace_buffer()
3369 					 ring->desc_cb[i].page_offset);  in hns3_replace_buffer()
3370 	ring->desc[i].rx.bd_base_info = 0;  in hns3_replace_buffer()
3375 	ring->desc_cb[i].reuse_flag = 0;  in hns3_reuse_buffer()
3376 	ring->desc_cb[i].refill = 1;  in hns3_reuse_buffer()
3377 	ring->desc[i].addr = cpu_to_le64(ring->desc_cb[i].dma +  in hns3_reuse_buffer()
3378 					 ring->desc_cb[i].page_offset);  in hns3_reuse_buffer()
3379 	ring->desc[i].rx.bd_base_info = 0;  in hns3_reuse_buffer()
3382 			ring->desc_cb[i].dma + ring->desc_cb[i].page_offset,  in hns3_reuse_buffer()
3390 	/* pair with ring->last_to_use update in hns3_tx_doorbell(),  in hns3_nic_reclaim_desc()
3394 	int ltu = smp_load_acquire(&ring->last_to_use);  in hns3_nic_reclaim_desc()
3395 	int ntc = ring->next_to_clean;  in hns3_nic_reclaim_desc()
3401 		desc = &ring->desc[ntc];  in hns3_nic_reclaim_desc()
3403 		if (le16_to_cpu(desc->tx.bdtp_fe_sc_vld_ra_ri) &  in hns3_nic_reclaim_desc()
3407 		desc_cb = &ring->desc_cb[ntc];  in hns3_nic_reclaim_desc()
3409 		if (desc_cb->type & (DESC_TYPE_SKB | DESC_TYPE_BOUNCE_ALL |  in hns3_nic_reclaim_desc()
3413 			(*bytes) += desc_cb->send_bytes;  in hns3_nic_reclaim_desc()
3419 		if (++ntc == ring->desc_num)  in hns3_nic_reclaim_desc()
3423 		prefetch(&ring->desc_cb[ntc]);  in hns3_nic_reclaim_desc()
3433 	smp_store_release(&ring->next_to_clean, ntc);  in hns3_nic_reclaim_desc()
3453 	ring->tqp_vector->tx_group.total_bytes += bytes;  in hns3_clean_tx_ring()
3454 	ring->tqp_vector->tx_group.total_packets += pkts;  in hns3_clean_tx_ring()
3456 	u64_stats_update_begin(&ring->syncp);  in hns3_clean_tx_ring()
3457 	ring->stats.tx_bytes += bytes;  in hns3_clean_tx_ring()
3458 	ring->stats.tx_pkts += pkts;  in hns3_clean_tx_ring()
3459 	u64_stats_update_end(&ring->syncp);  in hns3_clean_tx_ring()
3461 	dev_queue = netdev_get_tx_queue(netdev, ring->tqp->tqp_index);  in hns3_clean_tx_ring()
3471 		    !test_bit(HNS3_NIC_STATE_DOWN, &priv->state)) {  in hns3_clean_tx_ring()
3473 			ring->stats.restart_queue++;  in hns3_clean_tx_ring()
3480 	int ntc = ring->next_to_clean;  in hns3_desc_unused()
3481 	int ntu = ring->next_to_use;  in hns3_desc_unused()
3483 	if (unlikely(ntc == ntu && !ring->desc_cb[ntc].refill))  in hns3_desc_unused()
3484 		return ring->desc_num;  in hns3_desc_unused()
3486 	return ((ntc >= ntu) ? 0 : ring->desc_num) + ntc - ntu;  in hns3_desc_unused()
3498 		desc_cb = &ring->desc_cb[ring->next_to_use];  in hns3_nic_alloc_rx_buffers()
3499 		if (desc_cb->reuse_flag) {  in hns3_nic_alloc_rx_buffers()
3500 			u64_stats_update_begin(&ring->syncp);  in hns3_nic_alloc_rx_buffers()
3501 			ring->stats.reuse_pg_cnt++;  in hns3_nic_alloc_rx_buffers()
3502 			u64_stats_update_end(&ring->syncp);  in hns3_nic_alloc_rx_buffers()
3504 			hns3_reuse_buffer(ring, ring->next_to_use);  in hns3_nic_alloc_rx_buffers()
3508 				u64_stats_update_begin(&ring->syncp);  in hns3_nic_alloc_rx_buffers()
3509 				ring->stats.sw_err_cnt++;  in hns3_nic_alloc_rx_buffers()
3510 				u64_stats_update_end(&ring->syncp);  in hns3_nic_alloc_rx_buffers()
3516 				writel(i, ring->tqp->io_base +  in hns3_nic_alloc_rx_buffers()
3520 			hns3_replace_buffer(ring, ring->next_to_use, &res_cbs);  in hns3_nic_alloc_rx_buffers()
3522 			u64_stats_update_begin(&ring->syncp);  in hns3_nic_alloc_rx_buffers()
3523 			ring->stats.non_reuse_pg++;  in hns3_nic_alloc_rx_buffers()
3524 			u64_stats_update_end(&ring->syncp);  in hns3_nic_alloc_rx_buffers()
3530 	writel(i, ring->tqp->io_base + HNS3_RING_RX_RING_HEAD_REG);  in hns3_nic_alloc_rx_buffers()
3536 	return page_count(cb->priv) == cb->pagecnt_bias;  in hns3_can_reuse_page()
3543 	struct hns3_desc *desc = &ring->desc[ring->next_to_clean];  in hns3_nic_reuse_page()
3544 	u32 frag_offset = desc_cb->page_offset + pull_len;  in hns3_nic_reuse_page()
3545 	int size = le16_to_cpu(desc->rx.size);  in hns3_nic_reuse_page()
3547 	u32 frag_size = size - pull_len;  in hns3_nic_reuse_page()
3550 	if (ring->page_pool) {  in hns3_nic_reuse_page()
3551 		skb_add_rx_frag(skb, i, desc_cb->priv, frag_offset,  in hns3_nic_reuse_page()
3556 	/* Avoid re-using remote or pfmem page */  in hns3_nic_reuse_page()
3557 	if (unlikely(!dev_page_is_reusable(desc_cb->priv)))  in hns3_nic_reuse_page()
3569 	 *    is non-zero, which means page_offset @ truesize will  in hns3_nic_reuse_page()
3573 	if ((!desc_cb->page_offset && reused) ||  in hns3_nic_reuse_page()
3574 	    ((desc_cb->page_offset + truesize + truesize) <=  in hns3_nic_reuse_page()
3575 	     hns3_page_size(ring) && desc_cb->page_offset)) {  in hns3_nic_reuse_page()
3576 		desc_cb->page_offset += truesize;  in hns3_nic_reuse_page()
3577 		desc_cb->reuse_flag = 1;  in hns3_nic_reuse_page()
3578 	} else if (desc_cb->page_offset && reused) {  in hns3_nic_reuse_page()
3579 		desc_cb->page_offset = 0;  in hns3_nic_reuse_page()
3580 		desc_cb->reuse_flag = 1;  in hns3_nic_reuse_page()
3581 	} else if (frag_size <= ring->rx_copybreak) {  in hns3_nic_reuse_page()
3585 			u64_stats_update_begin(&ring->syncp);  in hns3_nic_reuse_page()
3586 			ring->stats.frag_alloc_err++;  in hns3_nic_reuse_page()
3587 			u64_stats_update_end(&ring->syncp);  in hns3_nic_reuse_page()
3594 		desc_cb->reuse_flag = 1;  in hns3_nic_reuse_page()
3595 		memcpy(frag, desc_cb->buf + frag_offset, frag_size);  in hns3_nic_reuse_page()
3599 		u64_stats_update_begin(&ring->syncp);  in hns3_nic_reuse_page()
3600 		ring->stats.frag_alloc++;  in hns3_nic_reuse_page()
3601 		u64_stats_update_end(&ring->syncp);  in hns3_nic_reuse_page()
3606 	desc_cb->pagecnt_bias--;  in hns3_nic_reuse_page()
3608 	if (unlikely(!desc_cb->pagecnt_bias)) {  in hns3_nic_reuse_page()
3609 		page_ref_add(desc_cb->priv, USHRT_MAX);  in hns3_nic_reuse_page()
3610 		desc_cb->pagecnt_bias = USHRT_MAX;  in hns3_nic_reuse_page()
3613 	skb_add_rx_frag(skb, i, desc_cb->priv, frag_offset,  in hns3_nic_reuse_page()
3616 	if (unlikely(!desc_cb->reuse_flag))  in hns3_nic_reuse_page()
3617 		__page_frag_cache_drain(desc_cb->priv, desc_cb->pagecnt_bias);  in hns3_nic_reuse_page()
3622 	__be16 type = skb->protocol;  in hns3_gro_complete()
3630 			return -EFAULT;  in hns3_gro_complete()
3632 		vh = (struct vlan_hdr *)(skb->data + depth);  in hns3_gro_complete()
3633 		type = vh->h_vlan_encapsulated_proto;  in hns3_gro_complete()
3645 		th->check = ~tcp_v4_check(skb->len - depth, iph->saddr,  in hns3_gro_complete()
3646 					  iph->daddr, 0);  in hns3_gro_complete()
3653 		th->check = ~tcp_v6_check(skb->len - depth, &iph->saddr,  in hns3_gro_complete()
3654 					  &iph->daddr, 0);  in hns3_gro_complete()
3656 		hns3_rl_err(skb->dev,  in hns3_gro_complete()
3659 		return -EFAULT;  in hns3_gro_complete()
3662 	skb_shinfo(skb)->gso_segs = NAPI_GRO_CB(skb)->count;  in hns3_gro_complete()
3663 	if (th->cwr)  in hns3_gro_complete()
3664 		skb_shinfo(skb)->gso_type |= SKB_GSO_TCP_ECN;  in hns3_gro_complete()
3667 		skb_shinfo(skb)->gso_type |= SKB_GSO_TCP_FIXEDID;  in hns3_gro_complete()
3669 	skb->csum_start = (unsigned char *)th - skb->head;  in hns3_gro_complete()
3670 	skb->csum_offset = offsetof(struct tcphdr, check);  in hns3_gro_complete()
3671 	skb->ip_summed = CHECKSUM_PARTIAL;  in hns3_gro_complete()
3685 	u64_stats_update_begin(&ring->syncp);  in hns3_checksum_complete()
3686 	ring->stats.csum_complete++;  in hns3_checksum_complete()
3687 	u64_stats_update_end(&ring->syncp);  in hns3_checksum_complete()
3688 	skb->ip_summed = CHECKSUM_COMPLETE;  in hns3_checksum_complete()
3689 	skb->csum = csum_unfold((__force __sum16)csum);  in hns3_checksum_complete()
3701 		skb->csum_level = hns3_rx_ptype_tbl[ptype].csum_level;  in hns3_rx_handle_csum()
3702 		skb->ip_summed = hns3_rx_ptype_tbl[ptype].ip_summed;  in hns3_rx_handle_csum()
3712 		skb->csum_level = 1;  in hns3_rx_handle_csum()
3725 			skb->ip_summed = CHECKSUM_UNNECESSARY;  in hns3_rx_handle_csum()
3740 	skb->ip_summed = CHECKSUM_NONE;  in hns3_rx_checksum()
3744 	if (!(netdev->features & NETIF_F_RXCSUM))  in hns3_rx_checksum()
3747 	if (test_bit(HNS3_NIC_STATE_RXD_ADV_LAYOUT_ENABLE, &priv->state))  in hns3_rx_checksum()
3761 		u64_stats_update_begin(&ring->syncp);  in hns3_rx_checksum()
3762 		ring->stats.l3l4_csum_err++;  in hns3_rx_checksum()
3763 		u64_stats_update_end(&ring->syncp);  in hns3_rx_checksum()
3774 		napi_gro_flush(&ring->tqp_vector->napi, false);  in hns3_rx_skb()
3776 	napi_gro_receive(&ring->tqp_vector->napi, skb);  in hns3_rx_skb()
3783 	struct hnae3_handle *handle = ring->tqp->handle;  in hns3_parse_vlan_tag()
3784 	struct pci_dev *pdev = ring->tqp->handle->pdev;  in hns3_parse_vlan_tag()
3787 	if (unlikely(ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2)) {  in hns3_parse_vlan_tag()
3788 		*vlan_tag = le16_to_cpu(desc->rx.ot_vlan_tag);  in hns3_parse_vlan_tag()
3790 			*vlan_tag = le16_to_cpu(desc->rx.vlan_tag);  in hns3_parse_vlan_tag()
3806 		if (handle->port_base_vlan_state !=  in hns3_parse_vlan_tag()
3810 		*vlan_tag = le16_to_cpu(desc->rx.ot_vlan_tag);  in hns3_parse_vlan_tag()
3813 		if (handle->port_base_vlan_state !=  in hns3_parse_vlan_tag()
3817 		*vlan_tag = le16_to_cpu(desc->rx.vlan_tag);  in hns3_parse_vlan_tag()
3820 		if (handle->port_base_vlan_state ==  in hns3_parse_vlan_tag()
3822 			*vlan_tag = le16_to_cpu(desc->rx.ot_vlan_tag);  in hns3_parse_vlan_tag()
3824 			*vlan_tag = le16_to_cpu(desc->rx.vlan_tag);  in hns3_parse_vlan_tag()
3834 	ring->desc[ring->next_to_clean].rx.bd_base_info &=  in hns3_rx_ring_move_fw()
3836 	ring->desc_cb[ring->next_to_clean].refill = 0;  in hns3_rx_ring_move_fw()
3837 	ring->next_to_clean += 1;  in hns3_rx_ring_move_fw()
3839 	if (unlikely(ring->next_to_clean == ring->desc_num))  in hns3_rx_ring_move_fw()
3840 		ring->next_to_clean = 0;  in hns3_rx_ring_move_fw()
3846 	struct hns3_desc_cb *desc_cb = &ring->desc_cb[ring->next_to_clean];  in hns3_alloc_skb()
3850 	ring->skb = napi_alloc_skb(&ring->tqp_vector->napi, HNS3_RX_HEAD_SIZE);  in hns3_alloc_skb()
3851 	skb = ring->skb;  in hns3_alloc_skb()
3855 		u64_stats_update_begin(&ring->syncp);  in hns3_alloc_skb()
3856 		ring->stats.sw_err_cnt++;  in hns3_alloc_skb()
3857 		u64_stats_update_end(&ring->syncp);  in hns3_alloc_skb()
3859 		return -ENOMEM;  in hns3_alloc_skb()
3863 	prefetchw(skb->data);  in hns3_alloc_skb()
3865 	ring->pending_buf = 1;  in hns3_alloc_skb()
3866 	ring->frag_num = 0;  in hns3_alloc_skb()
3867 	ring->tail_skb = NULL;  in hns3_alloc_skb()
3871 		/* We can reuse buffer as-is, just make sure it is reusable */  in hns3_alloc_skb()
3872 		if (dev_page_is_reusable(desc_cb->priv))  in hns3_alloc_skb()
3873 			desc_cb->reuse_flag = 1;  in hns3_alloc_skb()
3874 		else if (desc_cb->type & DESC_TYPE_PP_FRAG)  in hns3_alloc_skb()
3875 			page_pool_put_full_page(ring->page_pool, desc_cb->priv,  in hns3_alloc_skb()
3878 			__page_frag_cache_drain(desc_cb->priv,  in hns3_alloc_skb()
3879 						desc_cb->pagecnt_bias);  in hns3_alloc_skb()
3885 	if (ring->page_pool)  in hns3_alloc_skb()
3888 	u64_stats_update_begin(&ring->syncp);  in hns3_alloc_skb()
3889 	ring->stats.seg_pkt_cnt++;  in hns3_alloc_skb()
3890 	u64_stats_update_end(&ring->syncp);  in hns3_alloc_skb()
3892 	ring->pull_len = eth_get_headlen(netdev, va, HNS3_RX_HEAD_SIZE);  in hns3_alloc_skb()
3893 	__skb_put(skb, ring->pull_len);  in hns3_alloc_skb()
3894 	hns3_nic_reuse_page(skb, ring->frag_num++, ring, ring->pull_len,  in hns3_alloc_skb()
3903 	struct sk_buff *skb = ring->skb;  in hns3_add_frag()
3911 		desc = &ring->desc[ring->next_to_clean];  in hns3_add_frag()
3912 		desc_cb = &ring->desc_cb[ring->next_to_clean];  in hns3_add_frag()
3913 		bd_base_info = le32_to_cpu(desc->rx.bd_base_info);  in hns3_add_frag()
3917 			return -ENXIO;  in hns3_add_frag()
3919 		if (unlikely(ring->frag_num >= MAX_SKB_FRAGS)) {  in hns3_add_frag()
3920 			new_skb = napi_alloc_skb(&ring->tqp_vector->napi, 0);  in hns3_add_frag()
3924 				return -ENXIO;  in hns3_add_frag()
3927 			if (ring->page_pool)  in hns3_add_frag()
3930 			ring->frag_num = 0;  in hns3_add_frag()
3932 			if (ring->tail_skb) {  in hns3_add_frag()
3933 				ring->tail_skb->next = new_skb;  in hns3_add_frag()
3934 				ring->tail_skb = new_skb;  in hns3_add_frag()
3936 				skb_shinfo(skb)->frag_list = new_skb;  in hns3_add_frag()
3937 				ring->tail_skb = new_skb;  in hns3_add_frag()
3941 		if (ring->tail_skb) {  in hns3_add_frag()
3942 			head_skb->truesize += hns3_buf_size(ring);  in hns3_add_frag()
3943 			head_skb->data_len += le16_to_cpu(desc->rx.size);  in hns3_add_frag()
3944 			head_skb->len += le16_to_cpu(desc->rx.size);  in hns3_add_frag()
3945 			skb = ring->tail_skb;  in hns3_add_frag()
3949 				desc_cb->dma + desc_cb->page_offset,  in hns3_add_frag()
3953 		hns3_nic_reuse_page(skb, ring->frag_num++, ring, 0, desc_cb);  in hns3_add_frag()
3956 		ring->pending_buf++;  in hns3_add_frag()
3970 	skb_shinfo(skb)->gso_size = hnae3_get_field(bd_base_info,  in hns3_set_gro_and_checksum()
3974 	if (!skb_shinfo(skb)->gso_size) {  in hns3_set_gro_and_checksum()
3980 	NAPI_GRO_CB(skb)->count = hnae3_get_field(l234info,  in hns3_set_gro_and_checksum()
3984 	if (test_bit(HNS3_NIC_STATE_RXD_ADV_LAYOUT_ENABLE, &priv->state)) {  in hns3_set_gro_and_checksum()
3995 		skb_shinfo(skb)->gso_type = SKB_GSO_TCPV4;  in hns3_set_gro_and_checksum()
3997 		skb_shinfo(skb)->gso_type = SKB_GSO_TCPV6;  in hns3_set_gro_and_checksum()
3999 		return -EFAULT;  in hns3_set_gro_and_checksum()
4007 	struct hnae3_handle *handle = ring->tqp->handle;  in hns3_set_rx_skb_rss_type()
4011 		rss_type = handle->kinfo.rss_type;  in hns3_set_rx_skb_rss_type()
4029 	 * current packet, and ring->next_to_clean indicates the first  in hns3_handle_bdinfo()
4030 	 * descriptor of next packet, so need - 1 below.  in hns3_handle_bdinfo()
4032 	pre_ntc = ring->next_to_clean ? (ring->next_to_clean - 1) :  in hns3_handle_bdinfo()
4033 					(ring->desc_num - 1);  in hns3_handle_bdinfo()
4034 	desc = &ring->desc[pre_ntc];  in hns3_handle_bdinfo()
4035 	bd_base_info = le32_to_cpu(desc->rx.bd_base_info);  in hns3_handle_bdinfo()
4036 	l234info = le32_to_cpu(desc->rx.l234_info);  in hns3_handle_bdinfo()
4037 	ol_info = le32_to_cpu(desc->rx.ol_info);  in hns3_handle_bdinfo()
4038 	csum = le16_to_cpu(desc->csum);  in hns3_handle_bdinfo()
4042 		u32 nsec = le32_to_cpu(desc->ts_nsec);  in hns3_handle_bdinfo()
4043 		u32 sec = le32_to_cpu(desc->ts_sec);  in hns3_handle_bdinfo()
4045 		if (h->ae_algo->ops->get_rx_hwts)  in hns3_handle_bdinfo()
4046 			h->ae_algo->ops->get_rx_hwts(h, skb, nsec, sec);  in hns3_handle_bdinfo()
4053 	if (netdev->features & NETIF_F_HW_VLAN_CTAG_RX) {  in hns3_handle_bdinfo()
4061 	if (unlikely(!desc->rx.pkt_len || (l234info & (BIT(HNS3_RXD_TRUNCAT_B) |  in hns3_handle_bdinfo()
4063 		u64_stats_update_begin(&ring->syncp);  in hns3_handle_bdinfo()
4065 			ring->stats.l2_err++;  in hns3_handle_bdinfo()
4067 			ring->stats.err_pkt_len++;  in hns3_handle_bdinfo()
4068 		u64_stats_update_end(&ring->syncp);  in hns3_handle_bdinfo()
4070 		return -EFAULT;  in hns3_handle_bdinfo()
4073 	len = skb->len;  in hns3_handle_bdinfo()
4076 	skb->protocol = eth_type_trans(skb, netdev);  in hns3_handle_bdinfo()
4082 		u64_stats_update_begin(&ring->syncp);  in hns3_handle_bdinfo()
4083 		ring->stats.rx_err_cnt++;  in hns3_handle_bdinfo()
4084 		u64_stats_update_end(&ring->syncp);  in hns3_handle_bdinfo()
4091 	u64_stats_update_begin(&ring->syncp);  in hns3_handle_bdinfo()
4092 	ring->stats.rx_pkts++;  in hns3_handle_bdinfo()
4093 	ring->stats.rx_bytes += len;  in hns3_handle_bdinfo()
4096 		ring->stats.rx_multicast++;  in hns3_handle_bdinfo()
4098 	u64_stats_update_end(&ring->syncp);  in hns3_handle_bdinfo()
4100 	ring->tqp_vector->rx_group.total_bytes += len;  in hns3_handle_bdinfo()
4102 	hns3_set_rx_skb_rss_type(ring, skb, le32_to_cpu(desc->rx.rss_hash));  in hns3_handle_bdinfo()
4108 	struct sk_buff *skb = ring->skb;  in hns3_handle_rx_bd()
4115 	desc = &ring->desc[ring->next_to_clean];  in hns3_handle_rx_bd()
4116 	desc_cb = &ring->desc_cb[ring->next_to_clean];  in hns3_handle_rx_bd()
4121 		bd_base_info = le32_to_cpu(desc->rx.bd_base_info);  in hns3_handle_rx_bd()
4124 			return -ENXIO;  in hns3_handle_rx_bd()
4127 		length = le16_to_cpu(desc->rx.size);  in hns3_handle_rx_bd()
4129 		ring->va = desc_cb->buf + desc_cb->page_offset;  in hns3_handle_rx_bd()
4132 				desc_cb->dma + desc_cb->page_offset,  in hns3_handle_rx_bd()
4143 		net_prefetch(ring->va);  in hns3_handle_rx_bd()
4145 		ret = hns3_alloc_skb(ring, length, ring->va);  in hns3_handle_rx_bd()
4146 		skb = ring->skb;  in hns3_handle_rx_bd()
4164 	if (skb->len > HNS3_RX_HEAD_SIZE)  in hns3_handle_rx_bd()
4165 		memcpy(skb->data, ring->va,  in hns3_handle_rx_bd()
4166 		       ALIGN(ring->pull_len, sizeof(long)));  in hns3_handle_rx_bd()
4174 	skb_record_rx_queue(skb, ring->tqp->tqp_index);  in hns3_handle_rx_bd()
4187 	unused_count -= ring->pending_buf;  in hns3_clean_rx_ring()
4200 		if (unlikely(!ring->skb || err == -ENXIO)) {  in hns3_clean_rx_ring()
4203 			rx_fn(ring, ring->skb);  in hns3_clean_rx_ring()
4207 		unused_count += ring->pending_buf;  in hns3_clean_rx_ring()
4208 		ring->skb = NULL;  in hns3_clean_rx_ring()
4209 		ring->pending_buf = 0;  in hns3_clean_rx_ring()
4218 	struct hns3_enet_ring_group *rx_group = &tqp_vector->rx_group;  in hns3_update_rx_int_coalesce()
4221 	if (!rx_group->coal.adapt_enable)  in hns3_update_rx_int_coalesce()
4224 	dim_update_sample(tqp_vector->event_cnt, rx_group->total_packets,  in hns3_update_rx_int_coalesce()
4225 			  rx_group->total_bytes, &sample);  in hns3_update_rx_int_coalesce()
4226 	net_dim(&rx_group->dim, sample);  in hns3_update_rx_int_coalesce()
4231 	struct hns3_enet_ring_group *tx_group = &tqp_vector->tx_group;  in hns3_update_tx_int_coalesce()
4234 	if (!tx_group->coal.adapt_enable)  in hns3_update_tx_int_coalesce()
4237 	dim_update_sample(tqp_vector->event_cnt, tx_group->total_packets,  in hns3_update_tx_int_coalesce()
4238 			  tx_group->total_bytes, &sample);  in hns3_update_tx_int_coalesce()
4239 	net_dim(&tx_group->dim, sample);  in hns3_update_tx_int_coalesce()
4244 	struct hns3_nic_priv *priv = netdev_priv(napi->dev);  in hns3_nic_common_poll()
4253 	if (unlikely(test_bit(HNS3_NIC_STATE_DOWN, &priv->state))) {  in hns3_nic_common_poll()
4261 	hns3_for_each_ring(ring, tqp_vector->tx_group)  in hns3_nic_common_poll()
4265 	if (tqp_vector->num_tqps > 1)  in hns3_nic_common_poll()
4266 		rx_budget = max(budget / tqp_vector->num_tqps, 1);  in hns3_nic_common_poll()
4268 	hns3_for_each_ring(ring, tqp_vector->rx_group) {  in hns3_nic_common_poll()
4277 	tqp_vector->rx_group.total_packets += rx_pkt_total;  in hns3_nic_common_poll()
4283 	    likely(!test_bit(HNS3_NIC_STATE_DOWN, &priv->state))) {  in hns3_nic_common_poll()
4296 	struct pci_dev *pdev = tqp_vector->handle->pdev;  in hns3_get_vector_ring_chain()
4302 	tx_ring = tqp_vector->tx_group.ring;  in hns3_get_vector_ring_chain()
4304 		cur_chain->tqp_index = tx_ring->tqp->tqp_index;  in hns3_get_vector_ring_chain()
4305 		hnae3_set_bit(cur_chain->flag, HNAE3_RING_TYPE_B,  in hns3_get_vector_ring_chain()
4307 		hnae3_set_field(cur_chain->int_gl_idx, HNAE3_RING_GL_IDX_M,  in hns3_get_vector_ring_chain()
4310 		cur_chain->next = NULL;  in hns3_get_vector_ring_chain()
4312 		while (tx_ring->next) {  in hns3_get_vector_ring_chain()
4313 			tx_ring = tx_ring->next;  in hns3_get_vector_ring_chain()
4315 			chain = devm_kzalloc(&pdev->dev, sizeof(*chain),  in hns3_get_vector_ring_chain()
4320 			cur_chain->next = chain;  in hns3_get_vector_ring_chain()
4321 			chain->tqp_index = tx_ring->tqp->tqp_index;  in hns3_get_vector_ring_chain()
4322 			hnae3_set_bit(chain->flag, HNAE3_RING_TYPE_B,  in hns3_get_vector_ring_chain()
4324 			hnae3_set_field(chain->int_gl_idx,  in hns3_get_vector_ring_chain()
4333 	rx_ring = tqp_vector->rx_group.ring;  in hns3_get_vector_ring_chain()
4335 		cur_chain->next = NULL;  in hns3_get_vector_ring_chain()
4336 		cur_chain->tqp_index = rx_ring->tqp->tqp_index;  in hns3_get_vector_ring_chain()
4337 		hnae3_set_bit(cur_chain->flag, HNAE3_RING_TYPE_B,  in hns3_get_vector_ring_chain()
4339 		hnae3_set_field(cur_chain->int_gl_idx, HNAE3_RING_GL_IDX_M,  in hns3_get_vector_ring_chain()
4342 		rx_ring = rx_ring->next;  in hns3_get_vector_ring_chain()
4346 		chain = devm_kzalloc(&pdev->dev, sizeof(*chain), GFP_KERNEL);  in hns3_get_vector_ring_chain()
4350 		cur_chain->next = chain;  in hns3_get_vector_ring_chain()
4351 		chain->tqp_index = rx_ring->tqp->tqp_index;  in hns3_get_vector_ring_chain()
4352 		hnae3_set_bit(chain->flag, HNAE3_RING_TYPE_B,  in hns3_get_vector_ring_chain()
4354 		hnae3_set_field(chain->int_gl_idx, HNAE3_RING_GL_IDX_M,  in hns3_get_vector_ring_chain()
4359 		rx_ring = rx_ring->next;  in hns3_get_vector_ring_chain()
4365 	cur_chain = head->next;  in hns3_get_vector_ring_chain()
4367 		chain = cur_chain->next;  in hns3_get_vector_ring_chain()
4368 		devm_kfree(&pdev->dev, cur_chain);  in hns3_get_vector_ring_chain()
4371 	head->next = NULL;  in hns3_get_vector_ring_chain()
4373 	return -ENOMEM;  in hns3_get_vector_ring_chain()
4379 	struct pci_dev *pdev = tqp_vector->handle->pdev;  in hns3_free_vector_ring_chain()
4382 	chain = head->next;  in hns3_free_vector_ring_chain()
4385 		chain_tmp = chain->next;  in hns3_free_vector_ring_chain()
4386 		devm_kfree(&pdev->dev, chain);  in hns3_free_vector_ring_chain()
4394 	ring->next = group->ring;  in hns3_add_ring_to_group()
4395 	group->ring = ring;  in hns3_add_ring_to_group()
4397 	group->count++;  in hns3_add_ring_to_group()
4402 	struct pci_dev *pdev = priv->ae_handle->pdev;  in hns3_nic_set_cpumask()
4404 	int num_vectors = priv->vector_num;  in hns3_nic_set_cpumask()
4408 	numa_node = dev_to_node(&pdev->dev);  in hns3_nic_set_cpumask()
4411 		tqp_vector = &priv->tqp_vector[vector_i];  in hns3_nic_set_cpumask()
4413 				&tqp_vector->affinity_mask);  in hns3_nic_set_cpumask()
4422 	struct hns3_enet_tqp_vector *tqp_vector = group->ring->tqp_vector;  in hns3_rx_dim_work()
4424 		net_dim_get_rx_moderation(dim->mode, dim->profile_ix);  in hns3_rx_dim_work()
4426 	hns3_set_vector_coalesce_rx_gl(group->ring->tqp_vector, cur_moder.usec);  in hns3_rx_dim_work()
4427 	tqp_vector->rx_group.coal.int_gl = cur_moder.usec;  in hns3_rx_dim_work()
4429 	if (cur_moder.pkts < tqp_vector->rx_group.coal.int_ql_max) {  in hns3_rx_dim_work()
4431 		tqp_vector->rx_group.coal.int_ql = cur_moder.pkts;  in hns3_rx_dim_work()
4434 	dim->state = DIM_START_MEASURE;  in hns3_rx_dim_work()
4442 	struct hns3_enet_tqp_vector *tqp_vector = group->ring->tqp_vector;  in hns3_tx_dim_work()
4444 		net_dim_get_tx_moderation(dim->mode, dim->profile_ix);  in hns3_tx_dim_work()
4447 	tqp_vector->tx_group.coal.int_gl = cur_moder.usec;  in hns3_tx_dim_work()
4449 	if (cur_moder.pkts < tqp_vector->tx_group.coal.int_ql_max) {  in hns3_tx_dim_work()
4451 		tqp_vector->tx_group.coal.int_ql = cur_moder.pkts;  in hns3_tx_dim_work()
4454 	dim->state = DIM_START_MEASURE;  in hns3_tx_dim_work()
4459 	INIT_WORK(&tqp_vector->rx_group.dim.work, hns3_rx_dim_work);  in hns3_nic_init_dim()
4460 	INIT_WORK(&tqp_vector->tx_group.dim.work, hns3_tx_dim_work);  in hns3_nic_init_dim()
4465 	struct hnae3_handle *h = priv->ae_handle;  in hns3_nic_init_vector_data()
4472 	for (i = 0; i < priv->vector_num; i++) {  in hns3_nic_init_vector_data()
4473 		tqp_vector = &priv->tqp_vector[i];  in hns3_nic_init_vector_data()
4475 		tqp_vector->num_tqps = 0;  in hns3_nic_init_vector_data()
4479 	for (i = 0; i < h->kinfo.num_tqps; i++) {  in hns3_nic_init_vector_data()
4480 		u16 vector_i = i % priv->vector_num;  in hns3_nic_init_vector_data()
4481 		u16 tqp_num = h->kinfo.num_tqps;  in hns3_nic_init_vector_data()
4483 		tqp_vector = &priv->tqp_vector[vector_i];  in hns3_nic_init_vector_data()
4485 		hns3_add_ring_to_group(&tqp_vector->tx_group,  in hns3_nic_init_vector_data()
4486 				       &priv->ring[i]);  in hns3_nic_init_vector_data()
4488 		hns3_add_ring_to_group(&tqp_vector->rx_group,  in hns3_nic_init_vector_data()
4489 				       &priv->ring[i + tqp_num]);  in hns3_nic_init_vector_data()
4491 		priv->ring[i].tqp_vector = tqp_vector;  in hns3_nic_init_vector_data()
4492 		priv->ring[i + tqp_num].tqp_vector = tqp_vector;  in hns3_nic_init_vector_data()
4493 		tqp_vector->num_tqps++;  in hns3_nic_init_vector_data()
4496 	for (i = 0; i < priv->vector_num; i++) {  in hns3_nic_init_vector_data()
4499 		tqp_vector = &priv->tqp_vector[i];  in hns3_nic_init_vector_data()
4501 		tqp_vector->rx_group.total_bytes = 0;  in hns3_nic_init_vector_data()
4502 		tqp_vector->rx_group.total_packets = 0;  in hns3_nic_init_vector_data()
4503 		tqp_vector->tx_group.total_bytes = 0;  in hns3_nic_init_vector_data()
4504 		tqp_vector->tx_group.total_packets = 0;  in hns3_nic_init_vector_data()
4505 		tqp_vector->handle = h;  in hns3_nic_init_vector_data()
4512 		ret = h->ae_algo->ops->map_ring_to_vector(h,  in hns3_nic_init_vector_data()
4513 			tqp_vector->vector_irq, &vector_ring_chain);  in hns3_nic_init_vector_data()
4520 		netif_napi_add(priv->netdev, &tqp_vector->napi,  in hns3_nic_init_vector_data()
4527 	while (i--)  in hns3_nic_init_vector_data()
4528 		netif_napi_del(&priv->tqp_vector[i].napi);  in hns3_nic_init_vector_data()
4535 	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(priv->ae_handle->pdev);  in hns3_nic_init_coal_cfg()
4536 	struct hns3_enet_coalesce *tx_coal = &priv->tx_coal;  in hns3_nic_init_coal_cfg()
4537 	struct hns3_enet_coalesce *rx_coal = &priv->rx_coal;  in hns3_nic_init_coal_cfg()
4544 	 * Default: enable interrupt coalescing self-adaptive and GL  in hns3_nic_init_coal_cfg()
4546 	tx_coal->adapt_enable = 1;  in hns3_nic_init_coal_cfg()
4547 	rx_coal->adapt_enable = 1;  in hns3_nic_init_coal_cfg()
4549 	tx_coal->int_gl = HNS3_INT_GL_50K;  in hns3_nic_init_coal_cfg()
4550 	rx_coal->int_gl = HNS3_INT_GL_50K;  in hns3_nic_init_coal_cfg()
4552 	rx_coal->flow_level = HNS3_FLOW_LOW;  in hns3_nic_init_coal_cfg()
4553 	tx_coal->flow_level = HNS3_FLOW_LOW;  in hns3_nic_init_coal_cfg()
4555 	if (ae_dev->dev_specs.int_ql_max) {  in hns3_nic_init_coal_cfg()
4556 		tx_coal->int_ql = HNS3_INT_QL_DEFAULT_CFG;  in hns3_nic_init_coal_cfg()
4557 		rx_coal->int_ql = HNS3_INT_QL_DEFAULT_CFG;  in hns3_nic_init_coal_cfg()
4563 	struct hnae3_handle *h = priv->ae_handle;  in hns3_nic_alloc_vector_data()
4566 	struct pci_dev *pdev = h->pdev;  in hns3_nic_alloc_vector_data()
4567 	u16 tqp_num = h->kinfo.num_tqps;  in hns3_nic_alloc_vector_data()
4576 	vector = devm_kcalloc(&pdev->dev, vector_num, sizeof(*vector),  in hns3_nic_alloc_vector_data()
4579 		return -ENOMEM;  in hns3_nic_alloc_vector_data()
4582 	vector_num = h->ae_algo->ops->get_vector(h, vector_num, vector);  in hns3_nic_alloc_vector_data()
4584 	priv->vector_num = vector_num;  in hns3_nic_alloc_vector_data()
4585 	priv->tqp_vector = (struct hns3_enet_tqp_vector *)  in hns3_nic_alloc_vector_data()
4586 		devm_kcalloc(&pdev->dev, vector_num, sizeof(*priv->tqp_vector),  in hns3_nic_alloc_vector_data()
4588 	if (!priv->tqp_vector) {  in hns3_nic_alloc_vector_data()
4589 		ret = -ENOMEM;  in hns3_nic_alloc_vector_data()
4593 	for (i = 0; i < priv->vector_num; i++) {  in hns3_nic_alloc_vector_data()
4594 		tqp_vector = &priv->tqp_vector[i];  in hns3_nic_alloc_vector_data()
4595 		tqp_vector->idx = i;  in hns3_nic_alloc_vector_data()
4596 		tqp_vector->mask_addr = vector[i].io_addr;  in hns3_nic_alloc_vector_data()
4597 		tqp_vector->vector_irq = vector[i].vector;  in hns3_nic_alloc_vector_data()
4602 	devm_kfree(&pdev->dev, vector);  in hns3_nic_alloc_vector_data()
4608 	group->ring = NULL;  in hns3_clear_ring_group()
4609 	group->count = 0;  in hns3_clear_ring_group()
4615 	struct hnae3_handle *h = priv->ae_handle;  in hns3_nic_uninit_vector_data()
4619 	for (i = 0; i < priv->vector_num; i++) {  in hns3_nic_uninit_vector_data()
4620 		tqp_vector = &priv->tqp_vector[i];  in hns3_nic_uninit_vector_data()
4622 		if (!tqp_vector->rx_group.ring && !tqp_vector->tx_group.ring)  in hns3_nic_uninit_vector_data()
4630 			dev_warn(priv->dev, "failed to get ring chain\n");  in hns3_nic_uninit_vector_data()
4632 		h->ae_algo->ops->unmap_ring_from_vector(h,  in hns3_nic_uninit_vector_data()
4633 			tqp_vector->vector_irq, &vector_ring_chain);  in hns3_nic_uninit_vector_data()
4637 		hns3_clear_ring_group(&tqp_vector->rx_group);  in hns3_nic_uninit_vector_data()
4638 		hns3_clear_ring_group(&tqp_vector->tx_group);  in hns3_nic_uninit_vector_data()
4639 		netif_napi_del(&priv->tqp_vector[i].napi);  in hns3_nic_uninit_vector_data()
4645 	struct hnae3_handle *h = priv->ae_handle;  in hns3_nic_dealloc_vector_data()
4646 	struct pci_dev *pdev = h->pdev;  in hns3_nic_dealloc_vector_data()
4649 	for (i = 0; i < priv->vector_num; i++) {  in hns3_nic_dealloc_vector_data()
4652 		tqp_vector = &priv->tqp_vector[i];  in hns3_nic_dealloc_vector_data()
4653 		ret = h->ae_algo->ops->put_vector(h, tqp_vector->vector_irq);  in hns3_nic_dealloc_vector_data()
4658 	devm_kfree(&pdev->dev, priv->tqp_vector);  in hns3_nic_dealloc_vector_data()
4664 	int queue_num = priv->ae_handle->kinfo.num_tqps;  in hns3_ring_get_cfg()
4669 		ring = &priv->ring[q->tqp_index];  in hns3_ring_get_cfg()
4670 		desc_num = priv->ae_handle->kinfo.num_tx_desc;  in hns3_ring_get_cfg()
4671 		ring->queue_index = q->tqp_index;  in hns3_ring_get_cfg()
4672 		ring->tx_copybreak = priv->tx_copybreak;  in hns3_ring_get_cfg()
4673 		ring->last_to_use = 0;  in hns3_ring_get_cfg()
4675 		ring = &priv->ring[q->tqp_index + queue_num];  in hns3_ring_get_cfg()
4676 		desc_num = priv->ae_handle->kinfo.num_rx_desc;  in hns3_ring_get_cfg()
4677 		ring->queue_index = q->tqp_index;  in hns3_ring_get_cfg()
4678 		ring->rx_copybreak = priv->rx_copybreak;  in hns3_ring_get_cfg()
4681 	hnae3_set_bit(ring->flag, HNAE3_RING_TYPE_B, ring_type);  in hns3_ring_get_cfg()
4683 	ring->tqp = q;  in hns3_ring_get_cfg()
4684 	ring->desc = NULL;  in hns3_ring_get_cfg()
4685 	ring->desc_cb = NULL;  in hns3_ring_get_cfg()
4686 	ring->dev = priv->dev;  in hns3_ring_get_cfg()
4687 	ring->desc_dma_addr = 0;  in hns3_ring_get_cfg()
4688 	ring->buf_size = q->buf_size;  in hns3_ring_get_cfg()
4689 	ring->desc_num = desc_num;  in hns3_ring_get_cfg()
4690 	ring->next_to_use = 0;  in hns3_ring_get_cfg()
4691 	ring->next_to_clean = 0;  in hns3_ring_get_cfg()
4703 	struct hnae3_handle *h = priv->ae_handle;  in hns3_get_ring_config()
4704 	struct pci_dev *pdev = h->pdev;  in hns3_get_ring_config()
4707 	priv->ring = devm_kzalloc(&pdev->dev,  in hns3_get_ring_config()
4708 				  array3_size(h->kinfo.num_tqps,  in hns3_get_ring_config()
4709 					      sizeof(*priv->ring), 2),  in hns3_get_ring_config()
4711 	if (!priv->ring)  in hns3_get_ring_config()
4712 		return -ENOMEM;  in hns3_get_ring_config()
4714 	for (i = 0; i < h->kinfo.num_tqps; i++)  in hns3_get_ring_config()
4715 		hns3_queue_to_ring(h->kinfo.tqp[i], priv);  in hns3_get_ring_config()
4722 	if (!priv->ring)  in hns3_put_ring_config()
4725 	devm_kfree(priv->dev, priv->ring);  in hns3_put_ring_config()
4726 	priv->ring = NULL;  in hns3_put_ring_config()
4735 		.pool_size = ring->desc_num * hns3_buf_size(ring) /  in hns3_alloc_page_pool()
4744 	ring->page_pool = page_pool_create(&pp_params);  in hns3_alloc_page_pool()
4745 	if (IS_ERR(ring->page_pool)) {  in hns3_alloc_page_pool()
4747 			 PTR_ERR(ring->page_pool));  in hns3_alloc_page_pool()
4748 		ring->page_pool = NULL;  in hns3_alloc_page_pool()
4756 	if (ring->desc_num <= 0 || ring->buf_size <= 0)  in hns3_alloc_ring_memory()
4757 		return -EINVAL;  in hns3_alloc_ring_memory()
4759 	ring->desc_cb = devm_kcalloc(ring_to_dev(ring), ring->desc_num,  in hns3_alloc_ring_memory()
4760 				     sizeof(ring->desc_cb[0]), GFP_KERNEL);  in hns3_alloc_ring_memory()
4761 	if (!ring->desc_cb) {  in hns3_alloc_ring_memory()
4762 		ret = -ENOMEM;  in hns3_alloc_ring_memory()
4786 	devm_kfree(ring_to_dev(ring), ring->desc_cb);  in hns3_alloc_ring_memory()
4787 	ring->desc_cb = NULL;  in hns3_alloc_ring_memory()
4795 	devm_kfree(ring_to_dev(ring), ring->desc_cb);  in hns3_fini_ring()
4796 	ring->desc_cb = NULL;  in hns3_fini_ring()
4797 	ring->next_to_clean = 0;  in hns3_fini_ring()
4798 	ring->next_to_use = 0;  in hns3_fini_ring()
4799 	ring->last_to_use = 0;  in hns3_fini_ring()
4800 	ring->pending_buf = 0;  in hns3_fini_ring()
4801 	if (!HNAE3_IS_TX_RING(ring) && ring->skb) {  in hns3_fini_ring()
4802 		dev_kfree_skb_any(ring->skb);  in hns3_fini_ring()
4803 		ring->skb = NULL;  in hns3_fini_ring()
4804 	} else if (HNAE3_IS_TX_RING(ring) && ring->tx_spare) {  in hns3_fini_ring()
4805 		struct hns3_tx_spare *tx_spare = ring->tx_spare;  in hns3_fini_ring()
4807 		dma_unmap_page(ring_to_dev(ring), tx_spare->dma, tx_spare->len,  in hns3_fini_ring()
4809 		free_pages((unsigned long)tx_spare->buf,  in hns3_fini_ring()
4810 			   get_order(tx_spare->len));  in hns3_fini_ring()
4812 		ring->tx_spare = NULL;  in hns3_fini_ring()
4815 	if (!HNAE3_IS_TX_RING(ring) && ring->page_pool) {  in hns3_fini_ring()
4816 		page_pool_destroy(ring->page_pool);  in hns3_fini_ring()
4817 		ring->page_pool = NULL;  in hns3_fini_ring()
4847 	dma_addr_t dma = ring->desc_dma_addr;  in hns3_init_ring_hw()
4848 	struct hnae3_queue *q = ring->tqp;  in hns3_init_ring_hw()
4856 			       hns3_buf_size2type(ring->buf_size));  in hns3_init_ring_hw()
4858 			       ring->desc_num / 8 - 1);  in hns3_init_ring_hw()
4866 			       ring->desc_num / 8 - 1);  in hns3_init_ring_hw()
4872 	struct hnae3_knic_private_info *kinfo = &priv->ae_handle->kinfo;  in hns3_init_tx_ring_tc()
4873 	struct hnae3_tc_info *tc_info = &kinfo->tc_info;  in hns3_init_tx_ring_tc()
4876 	for (i = 0; i < tc_info->num_tc; i++) {  in hns3_init_tx_ring_tc()
4879 		for (j = 0; j < tc_info->tqp_count[i]; j++) {  in hns3_init_tx_ring_tc()
4882 			q = priv->ring[tc_info->tqp_offset[i] + j].tqp;  in hns3_init_tx_ring_tc()
4890 	struct hnae3_handle *h = priv->ae_handle;  in hns3_init_all_ring()
4891 	int ring_num = h->kinfo.num_tqps * 2;  in hns3_init_all_ring()
4896 		ret = hns3_alloc_ring_memory(&priv->ring[i]);  in hns3_init_all_ring()
4898 			dev_err(priv->dev,  in hns3_init_all_ring()
4903 		u64_stats_init(&priv->ring[i].syncp);  in hns3_init_all_ring()
4909 	for (j = i - 1; j >= 0; j--)  in hns3_init_all_ring()
4910 		hns3_fini_ring(&priv->ring[j]);  in hns3_init_all_ring()
4912 	return -ENOMEM;  in hns3_init_all_ring()
4917 	struct hnae3_handle *h = priv->ae_handle;  in hns3_uninit_all_ring()
4920 	for (i = 0; i < h->kinfo.num_tqps; i++) {  in hns3_uninit_all_ring()
4921 		hns3_fini_ring(&priv->ring[i]);  in hns3_uninit_all_ring()
4922 		hns3_fini_ring(&priv->ring[i + h->kinfo.num_tqps]);  in hns3_uninit_all_ring()
4930 	struct hnae3_handle *h = priv->ae_handle;  in hns3_init_mac_addr()
4934 	if (h->ae_algo->ops->get_mac_addr)  in hns3_init_mac_addr()
4935 		h->ae_algo->ops->get_mac_addr(h, mac_addr_temp);  in hns3_init_mac_addr()
4940 		dev_warn(priv->dev, "using random MAC address %pM\n",  in hns3_init_mac_addr()
4941 			 netdev->dev_addr);  in hns3_init_mac_addr()
4942 	} else if (!ether_addr_equal(netdev->dev_addr, mac_addr_temp)) {  in hns3_init_mac_addr()
4943 		ether_addr_copy(netdev->dev_addr, mac_addr_temp);  in hns3_init_mac_addr()
4944 		ether_addr_copy(netdev->perm_addr, mac_addr_temp);  in hns3_init_mac_addr()
4949 	if (h->ae_algo->ops->set_mac_addr)  in hns3_init_mac_addr()
4950 		ret = h->ae_algo->ops->set_mac_addr(h, netdev->dev_addr, true);  in hns3_init_mac_addr()
4960 	if (h->ae_algo->ops->mac_connect_phy)  in hns3_init_phy()
4961 		ret = h->ae_algo->ops->mac_connect_phy(h);  in hns3_init_phy()
4970 	if (h->ae_algo->ops->mac_disconnect_phy)  in hns3_uninit_phy()
4971 		h->ae_algo->ops->mac_disconnect_phy(h);  in hns3_uninit_phy()
4976 	if (!handle->ae_algo->ops->client_start)  in hns3_client_start()
4979 	return handle->ae_algo->ops->client_start(handle);  in hns3_client_start()
4984 	if (!handle->ae_algo->ops->client_stop)  in hns3_client_stop()
4987 	handle->ae_algo->ops->client_stop(handle);  in hns3_client_stop()
4992 	struct hnae3_knic_private_info *kinfo = &priv->ae_handle->kinfo;  in hns3_info_show()
4994 	dev_info(priv->dev, "MAC address: %pM\n", priv->netdev->dev_addr);  in hns3_info_show()
4995 	dev_info(priv->dev, "Task queue pairs numbers: %u\n", kinfo->num_tqps);  in hns3_info_show()
4996 	dev_info(priv->dev, "RSS size: %u\n", kinfo->rss_size);  in hns3_info_show()
4997 	dev_info(priv->dev, "Allocated RSS size: %u\n", kinfo->req_rss_size);  in hns3_info_show()
4998 	dev_info(priv->dev, "RX buffer length: %u\n", kinfo->rx_buf_len);  in hns3_info_show()
4999 	dev_info(priv->dev, "Desc num per TX queue: %u\n", kinfo->num_tx_desc);  in hns3_info_show()
5000 	dev_info(priv->dev, "Desc num per RX queue: %u\n", kinfo->num_rx_desc);  in hns3_info_show()
5001 	dev_info(priv->dev, "Total number of enabled TCs: %u\n",  in hns3_info_show()
5002 		 kinfo->tc_info.num_tc);  in hns3_info_show()
5003 	dev_info(priv->dev, "Max mtu size: %u\n", priv->netdev->max_mtu);  in hns3_info_show()
5009 	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(priv->ae_handle->pdev);  in hns3_set_cq_period_mode()
5010 	struct hnae3_handle *handle = priv->ae_handle;  in hns3_set_cq_period_mode()
5014 		priv->tx_cqe_mode = mode;  in hns3_set_cq_period_mode()
5016 		for (i = 0; i < priv->vector_num; i++)  in hns3_set_cq_period_mode()
5017 			priv->tqp_vector[i].tx_group.dim.mode = mode;  in hns3_set_cq_period_mode()
5019 		priv->rx_cqe_mode = mode;  in hns3_set_cq_period_mode()
5021 		for (i = 0; i < priv->vector_num; i++)  in hns3_set_cq_period_mode()
5022 			priv->tqp_vector[i].rx_group.dim.mode = mode;  in hns3_set_cq_period_mode()
5028 	if (ae_dev->dev_version >= HNAE3_DEVICE_VERSION_V3) {  in hns3_set_cq_period_mode()
5036 		writel(new_mode, handle->kinfo.io_base + reg);  in hns3_set_cq_period_mode()
5050 	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);  in hns3_state_init()
5051 	struct net_device *netdev = handle->kinfo.netdev;  in hns3_state_init()
5054 	set_bit(HNS3_NIC_STATE_INITED, &priv->state);  in hns3_state_init()
5056 	if (ae_dev->dev_version >= HNAE3_DEVICE_VERSION_V3)  in hns3_state_init()
5057 		set_bit(HNAE3_PFLAG_LIMIT_PROMISC, &handle->supported_pflags);  in hns3_state_init()
5059 	if (test_bit(HNAE3_DEV_SUPPORT_HW_TX_CSUM_B, ae_dev->caps))  in hns3_state_init()
5060 		set_bit(HNS3_NIC_STATE_HW_TX_CSUM_ENABLE, &priv->state);  in hns3_state_init()
5063 		set_bit(HNS3_NIC_STATE_RXD_ADV_LAYOUT_ENABLE, &priv->state);  in hns3_state_init()
5068 	struct pci_dev *pdev = handle->pdev;  in hns3_client_init()
5075 	handle->ae_algo->ops->get_tqps_and_rss_info(handle, &alloc_tqps,  in hns3_client_init()
5079 		return -ENOMEM;  in hns3_client_init()
5082 	priv->dev = &pdev->dev;  in hns3_client_init()
5083 	priv->netdev = netdev;  in hns3_client_init()
5084 	priv->ae_handle = handle;  in hns3_client_init()
5085 	priv->tx_timeout_count = 0;  in hns3_client_init()
5086 	priv->max_non_tso_bd_num = ae_dev->dev_specs.max_non_tso_bd_num;  in hns3_client_init()
5087 	set_bit(HNS3_NIC_STATE_DOWN, &priv->state);  in hns3_client_init()
5089 	handle->msg_enable = netif_msg_init(debug, DEFAULT_MSG_LEVEL);  in hns3_client_init()
5091 	handle->kinfo.netdev = netdev;  in hns3_client_init()
5092 	handle->priv = (void *)priv;  in hns3_client_init()
5098 	netdev->watchdog_timeo = HNS3_TX_TIMEOUT;  in hns3_client_init()
5099 	netdev->priv_flags |= IFF_UNICAST_FLT;  in hns3_client_init()
5100 	netdev->netdev_ops = &hns3_nic_netdev_ops;  in hns3_client_init()
5101 	SET_NETDEV_DEV(netdev, &pdev->dev);  in hns3_client_init()
5109 		ret = -ENOMEM;  in hns3_client_init()
5117 		ret = -ENOMEM;  in hns3_client_init()
5123 		ret = -ENOMEM;  in hns3_client_init()
5129 		ret = -ENOMEM;  in hns3_client_init()
5143 		dev_warn(priv->dev, "set rx cpu rmap fail, ret=%d\n", ret);  in hns3_client_init()
5147 		dev_err(priv->dev, "init irq failed! ret=%d\n", ret);  in hns3_client_init()
5154 		dev_err(priv->dev, "hns3_client_start fail! ret=%d\n", ret);  in hns3_client_init()
5162 		dev_err(priv->dev, "failed to init debugfs, ret = %d\n",  in hns3_client_init()
5167 	netdev->max_mtu = HNS3_MAX_MTU(ae_dev->dev_specs.max_frm_size);  in hns3_client_init()
5173 		dev_err(priv->dev, "probe register netdev fail!\n");  in hns3_client_init()
5196 	priv->ring = NULL;  in hns3_client_init()
5198 	priv->ae_handle = NULL;  in hns3_client_init()
5205 	struct net_device *netdev = handle->kinfo.netdev;  in hns3_client_uninit()
5208 	if (netdev->reg_state != NETREG_UNINITIALIZED)  in hns3_client_uninit()
5215 	if (!test_and_clear_bit(HNS3_NIC_STATE_INITED, &priv->state)) {  in hns3_client_uninit()
5241 	struct net_device *netdev = handle->kinfo.netdev;  in hns3_link_status_change()
5261 	while (ring->next_to_clean != ring->next_to_use) {  in hns3_clear_tx_ring()
5262 		ring->desc[ring->next_to_clean].tx.bdtp_fe_sc_vld_ra_ri = 0;  in hns3_clear_tx_ring()
5263 		hns3_free_buffer_detach(ring, ring->next_to_clean, 0);  in hns3_clear_tx_ring()
5267 	ring->pending_buf = 0;  in hns3_clear_tx_ring()
5275 	while (ring->next_to_use != ring->next_to_clean) {  in hns3_clear_rx_ring()
5280 		if (!ring->desc_cb[ring->next_to_use].reuse_flag) {  in hns3_clear_rx_ring()
5283 				u64_stats_update_begin(&ring->syncp);  in hns3_clear_rx_ring()
5284 				ring->stats.sw_err_cnt++;  in hns3_clear_rx_ring()
5285 				u64_stats_update_end(&ring->syncp);  in hns3_clear_rx_ring()
5294 			hns3_replace_buffer(ring, ring->next_to_use, &res_cbs);  in hns3_clear_rx_ring()
5300 	if (ring->skb) {  in hns3_clear_rx_ring()
5301 		dev_kfree_skb_any(ring->skb);  in hns3_clear_rx_ring()
5302 		ring->skb = NULL;  in hns3_clear_rx_ring()
5303 		ring->pending_buf = 0;  in hns3_clear_rx_ring()
5311 	while (ring->next_to_use != ring->next_to_clean) {  in hns3_force_clear_rx_ring()
5316 		if (!ring->desc_cb[ring->next_to_use].reuse_flag) {  in hns3_force_clear_rx_ring()
5318 					  &ring->desc_cb[ring->next_to_use]);  in hns3_force_clear_rx_ring()
5319 			ring->desc_cb[ring->next_to_use].dma = 0;  in hns3_force_clear_rx_ring()
5328 	struct net_device *ndev = h->kinfo.netdev;  in hns3_clear_all_ring()
5332 	for (i = 0; i < h->kinfo.num_tqps; i++) {  in hns3_clear_all_ring()
5335 		ring = &priv->ring[i];  in hns3_clear_all_ring()
5338 		ring = &priv->ring[i + h->kinfo.num_tqps];  in hns3_clear_all_ring()
5351 	struct net_device *ndev = h->kinfo.netdev;  in hns3_nic_reset_all_ring()
5357 	ret = h->ae_algo->ops->reset_queue(h);  in hns3_nic_reset_all_ring()
5361 	for (i = 0; i < h->kinfo.num_tqps; i++) {  in hns3_nic_reset_all_ring()
5362 		hns3_init_ring_hw(&priv->ring[i]);  in hns3_nic_reset_all_ring()
5367 		hns3_clear_tx_ring(&priv->ring[i]);  in hns3_nic_reset_all_ring()
5368 		priv->ring[i].next_to_clean = 0;  in hns3_nic_reset_all_ring()
5369 		priv->ring[i].next_to_use = 0;  in hns3_nic_reset_all_ring()
5370 		priv->ring[i].last_to_use = 0;  in hns3_nic_reset_all_ring()
5372 		rx_ring = &priv->ring[i + h->kinfo.num_tqps];  in hns3_nic_reset_all_ring()
5381 		for (j = 0; j < rx_ring->desc_num; j++)  in hns3_nic_reset_all_ring()
5384 		rx_ring->next_to_clean = 0;  in hns3_nic_reset_all_ring()
5385 		rx_ring->next_to_use = 0;  in hns3_nic_reset_all_ring()
5395 	struct hnae3_knic_private_info *kinfo = &handle->kinfo;  in hns3_reset_notify_down_enet()
5396 	struct net_device *ndev = kinfo->netdev;  in hns3_reset_notify_down_enet()
5399 	if (test_and_set_bit(HNS3_NIC_STATE_RESETTING, &priv->state))  in hns3_reset_notify_down_enet()
5410 	struct hnae3_knic_private_info *kinfo = &handle->kinfo;  in hns3_reset_notify_up_enet()
5411 	struct hns3_nic_priv *priv = netdev_priv(kinfo->netdev);  in hns3_reset_notify_up_enet()
5414 	if (!test_bit(HNS3_NIC_STATE_INITED, &priv->state)) {  in hns3_reset_notify_up_enet()
5415 		netdev_err(kinfo->netdev, "device is not initialized yet\n");  in hns3_reset_notify_up_enet()
5416 		return -EFAULT;  in hns3_reset_notify_up_enet()
5419 	clear_bit(HNS3_NIC_STATE_RESETTING, &priv->state);  in hns3_reset_notify_up_enet()
5421 	if (netif_running(kinfo->netdev)) {  in hns3_reset_notify_up_enet()
5422 		ret = hns3_nic_net_open(kinfo->netdev);  in hns3_reset_notify_up_enet()
5424 			set_bit(HNS3_NIC_STATE_RESETTING, &priv->state);  in hns3_reset_notify_up_enet()
5425 			netdev_err(kinfo->netdev,  in hns3_reset_notify_up_enet()
5436 	struct net_device *netdev = handle->kinfo.netdev;  in hns3_reset_notify_init_enet()
5459 	hns3_cq_period_mode_init(priv, priv->tx_cqe_mode, priv->rx_cqe_mode);  in hns3_reset_notify_init_enet()
5464 		dev_warn(priv->dev, "set rx cpu rmap fail, ret=%d\n", ret);  in hns3_reset_notify_init_enet()
5468 		dev_err(priv->dev, "init irq failed! ret=%d\n", ret);  in hns3_reset_notify_init_enet()
5473 	if (!hns3_is_phys_func(handle->pdev))  in hns3_reset_notify_init_enet()
5478 		dev_err(priv->dev, "hns3_client_start fail! ret=%d\n", ret);  in hns3_reset_notify_init_enet()
5482 	set_bit(HNS3_NIC_STATE_INITED, &priv->state);  in hns3_reset_notify_init_enet()
5503 	struct net_device *netdev = handle->kinfo.netdev;  in hns3_reset_notify_uninit_enet()
5506 	if (!test_and_clear_bit(HNS3_NIC_STATE_INITED, &priv->state)) {  in hns3_reset_notify_uninit_enet()
5514 	hns3_reset_tx_queue(priv->ae_handle);  in hns3_reset_notify_uninit_enet()
5557 	ret = handle->ae_algo->ops->set_channels(handle, new_tqp_num,  in hns3_change_channels()
5560 		dev_err(&handle->pdev->dev,  in hns3_change_channels()
5580 	struct hnae3_knic_private_info *kinfo = &h->kinfo;  in hns3_set_channels()
5582 	u32 new_tqp_num = ch->combined_count;  in hns3_set_channels()
5587 		return -EBUSY;  in hns3_set_channels()
5589 	if (ch->rx_count || ch->tx_count)  in hns3_set_channels()
5590 		return -EINVAL;  in hns3_set_channels()
5592 	if (kinfo->tc_info.mqprio_active) {  in hns3_set_channels()
5593 		dev_err(&netdev->dev,  in hns3_set_channels()
5595 		return -EINVAL;  in hns3_set_channels()
5600 		dev_err(&netdev->dev,  in hns3_set_channels()
5603 		return -EINVAL;  in hns3_set_channels()
5606 	if (kinfo->rss_size == new_tqp_num)  in hns3_set_channels()
5621 	org_tqp_num = h->kinfo.num_tqps;  in hns3_set_channels()
5645 	  .msg = "IMP CMDQ error" },
5659 			dev_err(&handle->pdev->dev, "Detected %s!\n",  in hns3_process_hw_error()
5674 /* hns3_init_module - Driver registration routine
5682 	pr_info("%s: %s - version\n", hns3_driver_name, hns3_driver_string);  in hns3_init_module()
5713 /* hns3_exit_module - Driver exit cleanup routine
5728 MODULE_ALIAS("pci:hns-nic");