diff options
Diffstat (limited to 'drivers/net/ethernet/hisilicon/hns3/hns3_enet.c')
| -rw-r--r-- | drivers/net/ethernet/hisilicon/hns3/hns3_enet.c | 41 |
1 files changed, 27 insertions, 14 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c index 71ed4c54f6d5..87776ce3539b 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c @@ -8,6 +8,7 @@ #include <linux/cpu_rmap.h> #endif #include <linux/if_vlan.h> +#include <linux/irq.h> #include <linux/ip.h> #include <linux/ipv6.h> #include <linux/module.h> @@ -154,6 +155,7 @@ static int hns3_nic_init_irq(struct hns3_nic_priv *priv) tqp_vectors->name[HNAE3_INT_NAME_LEN - 1] = '\0'; + irq_set_status_flags(tqp_vectors->vector_irq, IRQ_NOAUTOEN); ret = request_irq(tqp_vectors->vector_irq, hns3_irq_handle, 0, tqp_vectors->name, tqp_vectors); if (ret) { @@ -163,8 +165,6 @@ static int hns3_nic_init_irq(struct hns3_nic_priv *priv) return ret; } - disable_irq(tqp_vectors->vector_irq); - irq_set_affinity_hint(tqp_vectors->vector_irq, &tqp_vectors->affinity_mask); @@ -2093,10 +2093,8 @@ static int hns3_probe(struct pci_dev *pdev, const struct pci_device_id *ent) pci_set_drvdata(pdev, ae_dev); ret = hnae3_register_ae_dev(ae_dev); - if (ret) { - devm_kfree(&pdev->dev, ae_dev); + if (ret) pci_set_drvdata(pdev, NULL); - } return ret; } @@ -2153,7 +2151,6 @@ static void hns3_shutdown(struct pci_dev *pdev) struct hnae3_ae_dev *ae_dev = pci_get_drvdata(pdev); hnae3_unregister_ae_dev(ae_dev); - devm_kfree(&pdev->dev, ae_dev); pci_set_drvdata(pdev, NULL); if (system_state == SYSTEM_POWER_OFF) @@ -2404,7 +2401,7 @@ static int hns3_alloc_desc(struct hns3_enet_ring *ring) return 0; } -static int hns3_reserve_buffer_map(struct hns3_enet_ring *ring, +static int hns3_alloc_and_map_buffer(struct hns3_enet_ring *ring, struct hns3_desc_cb *cb) { int ret; @@ -2425,9 +2422,9 @@ out: return ret; } -static int hns3_alloc_buffer_attach(struct hns3_enet_ring *ring, int i) +static int hns3_alloc_and_attach_buffer(struct hns3_enet_ring *ring, int i) { - int ret = hns3_reserve_buffer_map(ring, &ring->desc_cb[i]); + int ret = hns3_alloc_and_map_buffer(ring, &ring->desc_cb[i]); if (ret) return ret; @@ -2443,7 +2440,7 @@ static int hns3_alloc_ring_buffers(struct hns3_enet_ring *ring) int i, j, ret; for (i = 0; i < ring->desc_num; i++) { - ret = hns3_alloc_buffer_attach(ring, i); + ret = hns3_alloc_and_attach_buffer(ring, i); if (ret) goto out_buffer_fail; } @@ -2472,6 +2469,11 @@ static void hns3_reuse_buffer(struct hns3_enet_ring *ring, int i) ring->desc[i].addr = cpu_to_le64(ring->desc_cb[i].dma + ring->desc_cb[i].page_offset); ring->desc[i].rx.bd_base_info = 0; + + dma_sync_single_for_device(ring_to_dev(ring), + ring->desc_cb[i].dma + ring->desc_cb[i].page_offset, + hns3_buf_size(ring), + DMA_FROM_DEVICE); } static void hns3_nic_reclaim_desc(struct hns3_enet_ring *ring, int head, @@ -2589,7 +2591,7 @@ static void hns3_nic_alloc_rx_buffers(struct hns3_enet_ring *ring, hns3_reuse_buffer(ring, ring->next_to_use); } else { - ret = hns3_reserve_buffer_map(ring, &res_cbs); + ret = hns3_alloc_and_map_buffer(ring, &res_cbs); if (ret) { u64_stats_update_begin(&ring->syncp); ring->stats.sw_err_cnt++; @@ -2917,6 +2919,11 @@ static int hns3_add_frag(struct hns3_enet_ring *ring) skb = ring->tail_skb; } + dma_sync_single_for_cpu(ring_to_dev(ring), + desc_cb->dma + desc_cb->page_offset, + hns3_buf_size(ring), + DMA_FROM_DEVICE); + hns3_nic_reuse_page(skb, ring->frag_num++, ring, 0, desc_cb); trace_hns3_rx_desc(ring); ring_ptr_move_fw(ring, next_to_clean); @@ -3068,8 +3075,14 @@ static int hns3_handle_rx_bd(struct hns3_enet_ring *ring) if (unlikely(!(bd_base_info & BIT(HNS3_RXD_VLD_B)))) return -ENXIO; - if (!skb) - ring->va = (unsigned char *)desc_cb->buf + desc_cb->page_offset; + if (!skb) { + ring->va = desc_cb->buf + desc_cb->page_offset; + + dma_sync_single_for_cpu(ring_to_dev(ring), + desc_cb->dma + desc_cb->page_offset, + hns3_buf_size(ring), + DMA_FROM_DEVICE); + } /* Prefetch first cache line of first page * Idea is to cache few bytes of the header of the packet. Our L1 Cache @@ -4182,7 +4195,7 @@ static int hns3_clear_rx_ring(struct hns3_enet_ring *ring) * stack, so we need to replace the buffer here. */ if (!ring->desc_cb[ring->next_to_use].reuse_flag) { - ret = hns3_reserve_buffer_map(ring, &res_cbs); + ret = hns3_alloc_and_map_buffer(ring, &res_cbs); if (ret) { u64_stats_update_begin(&ring->syncp); ring->stats.sw_err_cnt++; |