From: Peng Li lipeng321@huawei.com
mainline inclusion from mainline-master commit e6d72f6ac2ad category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I4M1HB CVE: NA
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?i...
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As the code to update ring stats is alike for different ring stats type, this patch extract macro to simplify ring stats update code.
Signed-off-by: Peng Li lipeng321@huawei.com Signed-off-by: Guangbin Huang huangguangbin2@huawei.com Signed-off-by: David S. Miller davem@davemloft.net Reviewed-by: Yongxin Li liyongxin1@huawei.com Signed-off-by: Junxin Chen chenjunxin1@huawei.com Signed-off-by: Zheng Zengkai zhengzengkai@huawei.com --- .../net/ethernet/hisilicon/hns3/hns3_enet.c | 123 +++++------------- .../net/ethernet/hisilicon/hns3/hns3_enet.h | 7 + 2 files changed, 38 insertions(+), 92 deletions(-)
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c index 1660e59115bf..2bf3aa700abc 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c @@ -1001,9 +1001,7 @@ static bool hns3_can_use_tx_bounce(struct hns3_enet_ring *ring, return false;
if (ALIGN(len, dma_get_cache_alignment()) > space) { - u64_stats_update_begin(&ring->syncp); - ring->stats.tx_spare_full++; - u64_stats_update_end(&ring->syncp); + hns3_ring_stats_update(ring, tx_spare_full); return false; }
@@ -1020,9 +1018,7 @@ static bool hns3_can_use_tx_sgl(struct hns3_enet_ring *ring, return false;
if (space < HNS3_MAX_SGL_SIZE) { - u64_stats_update_begin(&ring->syncp); - ring->stats.tx_spare_full++; - u64_stats_update_end(&ring->syncp); + hns3_ring_stats_update(ring, tx_spare_full); return false; }
@@ -1561,9 +1557,7 @@ static int hns3_fill_skb_desc(struct hns3_enet_ring *ring,
ret = hns3_handle_vtags(ring, skb); if (unlikely(ret < 0)) { - u64_stats_update_begin(&ring->syncp); - ring->stats.tx_vlan_err++; - u64_stats_update_end(&ring->syncp); + hns3_ring_stats_update(ring, tx_vlan_err); return ret; } else if (ret == HNS3_INNER_VLAN_TAG) { inner_vtag = skb_vlan_tag_get(skb); @@ -1598,9 +1592,7 @@ static int hns3_fill_skb_desc(struct hns3_enet_ring *ring,
ret = hns3_get_l4_protocol(skb, &ol4_proto, &il4_proto); if (unlikely(ret < 0)) { - u64_stats_update_begin(&ring->syncp); - ring->stats.tx_l4_proto_err++; - u64_stats_update_end(&ring->syncp); + hns3_ring_stats_update(ring, tx_l4_proto_err); return ret; }
@@ -1608,18 +1600,14 @@ static int hns3_fill_skb_desc(struct hns3_enet_ring *ring, &type_cs_vlan_tso, &ol_type_vlan_len_msec); if (unlikely(ret < 0)) { - u64_stats_update_begin(&ring->syncp); - ring->stats.tx_l2l3l4_err++; - u64_stats_update_end(&ring->syncp); + hns3_ring_stats_update(ring, tx_l2l3l4_err); return ret; }
ret = hns3_set_tso(skb, &paylen_ol4cs, &mss_hw_csum, &type_cs_vlan_tso, &desc_cb->send_bytes); if (unlikely(ret < 0)) { - u64_stats_update_begin(&ring->syncp); - ring->stats.tx_tso_err++; - u64_stats_update_end(&ring->syncp); + hns3_ring_stats_update(ring, tx_tso_err); return ret; } } @@ -1712,9 +1700,7 @@ static int hns3_map_and_fill_desc(struct hns3_enet_ring *ring, void *priv, }
if (unlikely(dma_mapping_error(dev, dma))) { - u64_stats_update_begin(&ring->syncp); - ring->stats.sw_err_cnt++; - u64_stats_update_end(&ring->syncp); + hns3_ring_stats_update(ring, sw_err_cnt); return -ENOMEM; }
@@ -1860,9 +1846,7 @@ static int hns3_skb_linearize(struct hns3_enet_ring *ring, * recursion level of over HNS3_MAX_RECURSION_LEVEL. */ if (bd_num == UINT_MAX) { - u64_stats_update_begin(&ring->syncp); - ring->stats.over_max_recursion++; - u64_stats_update_end(&ring->syncp); + hns3_ring_stats_update(ring, over_max_recursion); return -ENOMEM; }
@@ -1871,16 +1855,12 @@ static int hns3_skb_linearize(struct hns3_enet_ring *ring, */ if (skb->len > HNS3_MAX_TSO_SIZE || (!skb_is_gso(skb) && skb->len > HNS3_MAX_NON_TSO_SIZE)) { - u64_stats_update_begin(&ring->syncp); - ring->stats.hw_limitation++; - u64_stats_update_end(&ring->syncp); + hns3_ring_stats_update(ring, hw_limitation); return -ENOMEM; }
if (__skb_linearize(skb)) { - u64_stats_update_begin(&ring->syncp); - ring->stats.sw_err_cnt++; - u64_stats_update_end(&ring->syncp); + hns3_ring_stats_update(ring, sw_err_cnt); return -ENOMEM; }
@@ -1910,9 +1890,7 @@ static int hns3_nic_maybe_stop_tx(struct hns3_enet_ring *ring,
bd_num = hns3_tx_bd_count(skb->len);
- u64_stats_update_begin(&ring->syncp); - ring->stats.tx_copy++; - u64_stats_update_end(&ring->syncp); + hns3_ring_stats_update(ring, tx_copy); }
out: @@ -1932,9 +1910,7 @@ static int hns3_nic_maybe_stop_tx(struct hns3_enet_ring *ring, return bd_num; }
- u64_stats_update_begin(&ring->syncp); - ring->stats.tx_busy++; - u64_stats_update_end(&ring->syncp); + hns3_ring_stats_update(ring, tx_busy);
return -EBUSY; } @@ -2019,9 +1995,7 @@ static void hns3_tx_doorbell(struct hns3_enet_ring *ring, int num, ring->pending_buf += num;
if (!doorbell) { - u64_stats_update_begin(&ring->syncp); - ring->stats.tx_more++; - u64_stats_update_end(&ring->syncp); + hns3_ring_stats_update(ring, tx_more); return; }
@@ -2071,9 +2045,7 @@ static int hns3_handle_tx_bounce(struct hns3_enet_ring *ring, ret = skb_copy_bits(skb, 0, buf, size); if (unlikely(ret < 0)) { hns3_tx_spare_rollback(ring, cb_len); - u64_stats_update_begin(&ring->syncp); - ring->stats.copy_bits_err++; - u64_stats_update_end(&ring->syncp); + hns3_ring_stats_update(ring, copy_bits_err); return ret; }
@@ -2096,9 +2068,8 @@ static int hns3_handle_tx_bounce(struct hns3_enet_ring *ring, dma_sync_single_for_device(ring_to_dev(ring), dma, size, DMA_TO_DEVICE);
- u64_stats_update_begin(&ring->syncp); - ring->stats.tx_bounce++; - u64_stats_update_end(&ring->syncp); + hns3_ring_stats_update(ring, tx_bounce); + return bd_num; }
@@ -2128,9 +2099,7 @@ static int hns3_handle_tx_sgl(struct hns3_enet_ring *ring, nents = skb_to_sgvec(skb, sgt->sgl, 0, skb->len); if (unlikely(nents < 0)) { hns3_tx_spare_rollback(ring, cb_len); - u64_stats_update_begin(&ring->syncp); - ring->stats.skb2sgl_err++; - u64_stats_update_end(&ring->syncp); + hns3_ring_stats_update(ring, skb2sgl_err); return -ENOMEM; }
@@ -2139,9 +2108,7 @@ static int hns3_handle_tx_sgl(struct hns3_enet_ring *ring, DMA_TO_DEVICE); if (unlikely(!sgt->nents)) { hns3_tx_spare_rollback(ring, cb_len); - u64_stats_update_begin(&ring->syncp); - ring->stats.map_sg_err++; - u64_stats_update_end(&ring->syncp); + hns3_ring_stats_update(ring, map_sg_err); return -ENOMEM; }
@@ -2153,10 +2120,7 @@ static int hns3_handle_tx_sgl(struct hns3_enet_ring *ring, for (i = 0; i < sgt->nents; i++) bd_num += hns3_fill_desc(ring, sg_dma_address(sgt->sgl + i), sg_dma_len(sgt->sgl + i)); - - u64_stats_update_begin(&ring->syncp); - ring->stats.tx_sgl++; - u64_stats_update_end(&ring->syncp); + hns3_ring_stats_update(ring, tx_sgl);
return bd_num; } @@ -2195,9 +2159,7 @@ netdev_tx_t hns3_nic_net_xmit(struct sk_buff *skb, struct net_device *netdev) if (skb_put_padto(skb, HNS3_MIN_TX_LEN)) { hns3_tx_doorbell(ring, 0, !netdev_xmit_more());
- u64_stats_update_begin(&ring->syncp); - ring->stats.sw_err_cnt++; - u64_stats_update_end(&ring->syncp); + hns3_ring_stats_update(ring, sw_err_cnt);
return NETDEV_TX_OK; } @@ -3521,17 +3483,13 @@ static bool hns3_nic_alloc_rx_buffers(struct hns3_enet_ring *ring, for (i = 0; i < cleand_count; i++) { desc_cb = &ring->desc_cb[ring->next_to_use]; if (desc_cb->reuse_flag) { - u64_stats_update_begin(&ring->syncp); - ring->stats.reuse_pg_cnt++; - u64_stats_update_end(&ring->syncp); + hns3_ring_stats_update(ring, reuse_pg_cnt);
hns3_reuse_buffer(ring, ring->next_to_use); } else { ret = hns3_alloc_and_map_buffer(ring, &res_cbs); if (ret) { - u64_stats_update_begin(&ring->syncp); - ring->stats.sw_err_cnt++; - u64_stats_update_end(&ring->syncp); + hns3_ring_stats_update(ring, sw_err_cnt);
hns3_rl_err(ring_to_netdev(ring), "alloc rx buffer failed: %d\n", @@ -3543,9 +3501,7 @@ static bool hns3_nic_alloc_rx_buffers(struct hns3_enet_ring *ring, } hns3_replace_buffer(ring, ring->next_to_use, &res_cbs);
- u64_stats_update_begin(&ring->syncp); - ring->stats.non_reuse_pg++; - u64_stats_update_end(&ring->syncp); + hns3_ring_stats_update(ring, non_reuse_pg); }
ring_ptr_move_fw(ring, next_to_use); @@ -3572,9 +3528,7 @@ static int hns3_handle_rx_copybreak(struct sk_buff *skb, int i, void *frag = napi_alloc_frag(frag_size);
if (unlikely(!frag)) { - u64_stats_update_begin(&ring->syncp); - ring->stats.frag_alloc_err++; - u64_stats_update_end(&ring->syncp); + hns3_ring_stats_update(ring, frag_alloc_err);
hns3_rl_err(ring_to_netdev(ring), "failed to allocate rx frag\n"); @@ -3586,9 +3540,7 @@ static int hns3_handle_rx_copybreak(struct sk_buff *skb, int i, skb_add_rx_frag(skb, i, virt_to_page(frag), offset_in_page(frag), frag_size, frag_size);
- u64_stats_update_begin(&ring->syncp); - ring->stats.frag_alloc++; - u64_stats_update_end(&ring->syncp); + hns3_ring_stats_update(ring, frag_alloc); return 0; }
@@ -3721,9 +3673,7 @@ static bool hns3_checksum_complete(struct hns3_enet_ring *ring, hns3_rx_ptype_tbl[ptype].ip_summed != CHECKSUM_COMPLETE) return false;
- u64_stats_update_begin(&ring->syncp); - ring->stats.csum_complete++; - u64_stats_update_end(&ring->syncp); + hns3_ring_stats_update(ring, csum_complete); skb->ip_summed = CHECKSUM_COMPLETE; skb->csum = csum_unfold((__force __sum16)csum);
@@ -3797,9 +3747,7 @@ static void hns3_rx_checksum(struct hns3_enet_ring *ring, struct sk_buff *skb, if (unlikely(l234info & (BIT(HNS3_RXD_L3E_B) | BIT(HNS3_RXD_L4E_B) | BIT(HNS3_RXD_OL3E_B) | BIT(HNS3_RXD_OL4E_B)))) { - u64_stats_update_begin(&ring->syncp); - ring->stats.l3l4_csum_err++; - u64_stats_update_end(&ring->syncp); + hns3_ring_stats_update(ring, l3l4_csum_err);
return; } @@ -3890,10 +3838,7 @@ static int hns3_alloc_skb(struct hns3_enet_ring *ring, unsigned int length, skb = ring->skb; if (unlikely(!skb)) { hns3_rl_err(netdev, "alloc rx skb fail\n"); - - u64_stats_update_begin(&ring->syncp); - ring->stats.sw_err_cnt++; - u64_stats_update_end(&ring->syncp); + hns3_ring_stats_update(ring, sw_err_cnt);
return -ENOMEM; } @@ -3924,9 +3869,7 @@ static int hns3_alloc_skb(struct hns3_enet_ring *ring, unsigned int length, if (ring->page_pool) skb_mark_for_recycle(skb);
- u64_stats_update_begin(&ring->syncp); - ring->stats.seg_pkt_cnt++; - u64_stats_update_end(&ring->syncp); + hns3_ring_stats_update(ring, seg_pkt_cnt);
ring->pull_len = eth_get_headlen(netdev, va, HNS3_RX_HEAD_SIZE); __skb_put(skb, ring->pull_len); @@ -4134,9 +4077,7 @@ static int hns3_handle_bdinfo(struct hns3_enet_ring *ring, struct sk_buff *skb) ret = hns3_set_gro_and_checksum(ring, skb, l234info, bd_base_info, ol_info, csum); if (unlikely(ret)) { - u64_stats_update_begin(&ring->syncp); - ring->stats.rx_err_cnt++; - u64_stats_update_end(&ring->syncp); + hns3_ring_stats_update(ring, rx_err_cnt); return ret; }
@@ -5346,9 +5287,7 @@ static int hns3_clear_rx_ring(struct hns3_enet_ring *ring) if (!ring->desc_cb[ring->next_to_use].reuse_flag) { ret = hns3_alloc_and_map_buffer(ring, &res_cbs); if (ret) { - u64_stats_update_begin(&ring->syncp); - ring->stats.sw_err_cnt++; - u64_stats_update_end(&ring->syncp); + hns3_ring_stats_update(ring, sw_err_cnt); /* if alloc new buffer fail, exit directly * and reclear in up flow. */ diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h index 808405cc0280..2803b2cd7f30 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h @@ -660,6 +660,13 @@ static inline bool hns3_nic_resetting(struct net_device *netdev)
#define hns3_buf_size(_ring) ((_ring)->buf_size)
+#define hns3_ring_stats_update(ring, cnt) do { \ + typeof(ring) (tmp) = (ring); \ + u64_stats_update_begin(&(tmp)->syncp); \ + ((tmp)->stats.cnt)++; \ + u64_stats_update_end(&(tmp)->syncp); \ +} while (0) \ + static inline unsigned int hns3_page_order(struct hns3_enet_ring *ring) { #if (PAGE_SIZE < 8192)