target/linux/generic/backport-5.15/702-v5.19-09-net-ethernet-mtk_eth_soc-remove-bridge-flow-offload-.patch

   1 From: Felix Fietkau <nbd@nbd.name>
   2 Date: Mon, 21 Feb 2022 15:55:19 +0100
   3 Subject: [PATCH] net: ethernet: mtk_eth_soc: remove bridge flow offload
   4  type entry support
   5
   6 According to MediaTek, this feature is not supported in current hardware
   7
   8 Signed-off-by: Felix Fietkau <nbd@nbd.name>
   9 ---
  10
  11 --- a/drivers/net/ethernet/mediatek/mtk_ppe.c
  12 +++ b/drivers/net/ethernet/mediatek/mtk_ppe.c
  13 @@ -84,13 +84,6 @@ static u32 mtk_ppe_hash_entry(struct mtk
  14         u32 hash;
  15
  16         switch (FIELD_GET(MTK_FOE_IB1_PACKET_TYPE, e->ib1)) {
  17 -               case MTK_PPE_PKT_TYPE_BRIDGE:
  18 -                       hv1 = e->bridge.src_mac_lo;
  19 -                       hv1 ^= ((e->bridge.src_mac_hi & 0xffff) << 16);
  20 -                       hv2 = e->bridge.src_mac_hi >> 16;
  21 -                       hv2 ^= e->bridge.dest_mac_lo;
  22 -                       hv3 = e->bridge.dest_mac_hi;
  23 -                       break;
  24                 case MTK_PPE_PKT_TYPE_IPV4_ROUTE:
  25                 case MTK_PPE_PKT_TYPE_IPV4_HNAPT:
  26                         hv1 = e->ipv4.orig.ports;
  27 @@ -572,7 +565,6 @@ int mtk_ppe_start(struct mtk_ppe *ppe)
  28               MTK_PPE_FLOW_CFG_IP4_NAT |
  29               MTK_PPE_FLOW_CFG_IP4_NAPT |
  30               MTK_PPE_FLOW_CFG_IP4_DSLITE |
  31 -             MTK_PPE_FLOW_CFG_L2_BRIDGE |
  32               MTK_PPE_FLOW_CFG_IP4_NAT_FRAG;
  33         ppe_w32(ppe, MTK_PPE_FLOW_CFG, val);
  34
  35 --- a/drivers/net/ethernet/mediatek/mtk_ppe_debugfs.c
  36 +++ b/drivers/net/ethernet/mediatek/mtk_ppe_debugfs.c
  37 @@ -32,7 +32,6 @@ static const char *mtk_foe_pkt_type_str(
  38         static const char * const type_str[] = {
  39                 [MTK_PPE_PKT_TYPE_IPV4_HNAPT] = "IPv4 5T",
  40                 [MTK_PPE_PKT_TYPE_IPV4_ROUTE] = "IPv4 3T",
  41 -               [MTK_PPE_PKT_TYPE_BRIDGE] = "L2",
  42                 [MTK_PPE_PKT_TYPE_IPV4_DSLITE] = "DS-LITE",
  43                 [MTK_PPE_PKT_TYPE_IPV6_ROUTE_3T] = "IPv6 3T",
  44                 [MTK_PPE_PKT_TYPE_IPV6_ROUTE_5T] = "IPv6 5T",