target/linux/mediatek/patches-4.14/0035-net-mediatek-disable-RX-VLan-offloading.patch

   1 From 35b83b85e752a6660b92f08c0fb912308f25cf6d Mon Sep 17 00:00:00 2001
   2 From: John Crispin <john@phrozen.org>
   3 Date: Thu, 10 Aug 2017 15:56:40 +0200
   4 Subject: [PATCH 35/57] net: mediatek: disable RX VLan offloading
   5
   6 Signed-off-by: John Crispin <john@phrozen.org>
   7 ---
   8  drivers/net/ethernet/mediatek/mtk_eth_soc.c | 9 ++++++---
   9  drivers/net/ethernet/mediatek/mtk_eth_soc.h | 2 --
  10  2 files changed, 6 insertions(+), 5 deletions(-)
  11
  12 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
  13 +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
  14 @@ -709,8 +709,8 @@ static int mtk_tx_map(struct sk_buff *sk
  15                 txd4 |= TX_DMA_CHKSUM;
  16
  17         /* VLAN header offload */
  18 -       if (skb_vlan_tag_present(skb))
  19 -               txd4 |= TX_DMA_INS_VLAN | skb_vlan_tag_get(skb);
  20 +//     if (skb_vlan_tag_present(skb))
  21 +//             txd4 |= TX_DMA_INS_VLAN | skb_vlan_tag_get(skb);
  22
  23         mapped_addr = dma_map_single(eth->dev, skb->data,
  24                                      skb_headlen(skb), DMA_TO_DEVICE);
  25 @@ -1979,7 +1979,10 @@ static int mtk_hw_init(struct mtk_eth *e
  26         mtk_w32(eth, val | MTK_CDMQ_STAG_EN, MTK_CDMQ_IG_CTRL);
  27
  28         /* Enable RX VLan Offloading */
  29 -       mtk_w32(eth, 1, MTK_CDMP_EG_CTRL);
  30 +       if (MTK_HW_FEATURES & NETIF_F_HW_VLAN_CTAG_RX)
  31 +               mtk_w32(eth, 1, MTK_CDMP_EG_CTRL);
  32 +       else
  33 +               mtk_w32(eth, 0, MTK_CDMP_EG_CTRL);
  34
  35         /* enable interrupt delay for RX */
  36         mtk_w32(eth, MTK_PDMA_DELAY_RX_DELAY, MTK_PDMA_DELAY_INT);
  37 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h
  38 +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h
  39 @@ -34,8 +34,6 @@
  40                                  NETIF_MSG_TX_ERR)
  41  #define MTK_HW_FEATURES                (NETIF_F_IP_CSUM | \
  42                                  NETIF_F_RXCSUM | \
  43 -                                NETIF_F_HW_VLAN_CTAG_TX | \
  44 -                                NETIF_F_HW_VLAN_CTAG_RX | \
  45                                  NETIF_F_SG | NETIF_F_TSO | \
  46                                  NETIF_F_TSO6 | \
  47                                  NETIF_F_IPV6_CSUM)