WARNING: line length of 105 exceeds 80 columns
#33: FILE: drivers/net/ethernet/realtek/r8169_main.c:798:
+	u32 cur_tx;				/* Index into the Tx descriptor buffer of next Tx pkt. */

WARNING: line length of 104 exceeds 80 columns
#34: FILE: drivers/net/ethernet/realtek/r8169_main.c:799:
+	u32 dirty_tx;				/* Index into the Tx descriptor buffer for recycling. */

WARNING: line length of 83 exceeds 80 columns
#37: FILE: drivers/net/ethernet/realtek/r8169_main.c:802:
+	u32 TxDescAllocSize;			/* memory size per descs of ring */

WARNING: line length of 87 exceeds 80 columns
#40: FILE: drivers/net/ethernet/realtek/r8169_main.c:805:
+	u16 tdsar_reg;				/* Transmit Descriptor Start Address */

WARNING: line length of 86 exceeds 80 columns
#89: FILE: drivers/net/ethernet/realtek/r8169_main.c:2737:
+		ring->TxDescArray[ring->num_tx_desc - 1].opts1 = cpu_to_le32(RingEnd);

WARNING: line length of 81 exceeds 80 columns
#113: FILE: drivers/net/ethernet/realtek/r8169_main.c:2811:
+static void rtl_set_ring_size(struct rtl8169_private *tp, u32 rx_num, u32 tx_num)

WARNING: line length of 88 exceeds 80 columns
#160: FILE: drivers/net/ethernet/realtek/r8169_main.c:2997:
+		RTL_W32(tp, ring->tdsar_reg, ((u64)ring->TxPhyAddr & DMA_BIT_MASK(32)));

WARNING: line length of 88 exceeds 80 columns
#177: FILE: drivers/net/ethernet/realtek/r8169_main.c:4413:
+		ring->TxDescAllocSize = (ring->num_tx_desc + 1) * sizeof(struct TxDesc);

WARNING: line length of 93 exceeds 80 columns
#233: FILE: drivers/net/ethernet/realtek/r8169_main.c:4464:
+	dma_unmap_single(tp_to_dev(tp), le64_to_cpu(desc->addr), tx_skb->len, DMA_TO_DEVICE);

WARNING: line length of 92 exceeds 80 columns
#244: FILE: drivers/net/ethernet/realtek/r8169_main.c:4471:
+static void rtl8169_tx_clear_range(struct rtl8169_private *tp, struct rtl8169_tx_ring *ring,

WARNING: line length of 84 exceeds 80 columns
#260: FILE: drivers/net/ethernet/realtek/r8169_main.c:4484:
+			rtl8169_unmap_tx_skb(tp, tx_skb, ring->TxDescArray + entry);

WARNING: line length of 84 exceeds 80 columns
#272: FILE: drivers/net/ethernet/realtek/r8169_main.c:4496:
+		rtl8169_tx_clear_range(tp, ring, ring->dirty_tx, ring->num_tx_desc);

WARNING: line length of 85 exceeds 80 columns
#323: FILE: drivers/net/ethernet/realtek/r8169_main.c:4628:
+		if (unlikely(rtl8169_tx_map(tp, ring, opts, len, addr, entry, true)))

WARNING: line length of 81 exceeds 80 columns
#343: FILE: drivers/net/ethernet/realtek/r8169_main.c:4791:
+	return READ_ONCE(ring->dirty_tx) + NUM_TX_DESC - READ_ONCE(ring->cur_tx);

WARNING: line length of 86 exceeds 80 columns
#352: FILE: drivers/net/ethernet/realtek/r8169_main.c:4806:
+static void rtl8169_doorbell(struct rtl8169_private *tp, struct rtl8169_tx_ring *ring)

WARNING: line length of 81 exceeds 80 columns
#427: FILE: drivers/net/ethernet/realtek/r8169_main.c:4874:
+	stop_queue = !netif_subqueue_maybe_stop(dev, 0, rtl_tx_slots_avail(ring),

WARNING: line length of 88 exceeds 80 columns
#473: FILE: drivers/net/ethernet/realtek/r8169_main.c:4993:
+			status = le32_to_cpu(READ_ONCE(ring->TxDescArray[entry].opts1));

CHECK: Please don't use multiple blank lines
#574: FILE: drivers/net/ethernet/realtek/r8169_main.c:5423:
 
+

total: 0 errors, 17 warnings, 1 checks, 556 lines checked

NOTE: For some of the reported defects, checkpatch may be able to
      mechanically convert to the typical style using --fix or --fix-inplace.

Commit 02da42b792ad ("r8169: add support for multi tx queues") has style problems, please review.

NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE FILE_PATH_CHANGES GIT_COMMIT_ID MACRO_ARG_REUSE NO_AUTHOR_SIGN_OFF

NOTE: If any of the errors are false positives, please report
      them to the maintainer, see CHECKPATCH in MAINTAINERS.
total: 0 errors, 17 warnings, 1 checks, 556 lines checked