diff options
Diffstat (limited to 'target/linux/mediatek/patches-4.9/0056-net-mediatek-add-hw-nat-support.patch')
| -rw-r--r-- | target/linux/mediatek/patches-4.9/0056-net-mediatek-add-hw-nat-support.patch | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/target/linux/mediatek/patches-4.9/0056-net-mediatek-add-hw-nat-support.patch b/target/linux/mediatek/patches-4.9/0056-net-mediatek-add-hw-nat-support.patch new file mode 100644 index 0000000000..d1d6ed473b --- /dev/null +++ b/target/linux/mediatek/patches-4.9/0056-net-mediatek-add-hw-nat-support.patch @@ -0,0 +1,119 @@ +From 043efc0e619e04661be2b1889382db2fdd378145 Mon Sep 17 00:00:00 2001 +From: John Crispin <john@phrozen.org> +Date: Thu, 10 Aug 2017 16:34:36 +0200 +Subject: [PATCH 56/57] net: mediatek: add hw nat support + +Signed-off-by: John Crispin <john@phrozen.org> +--- + drivers/net/ethernet/mediatek/Kconfig | 7 +++++++ + drivers/net/ethernet/mediatek/Makefile | 1 + + drivers/net/ethernet/mediatek/mtk_eth_soc.c | 13 +++++++++++++ + net/netfilter/nf_conntrack_proto_tcp.c | 19 +++++++++++++++++++ + 4 files changed, 40 insertions(+) + +--- a/drivers/net/ethernet/mediatek/Kconfig ++++ b/drivers/net/ethernet/mediatek/Kconfig +@@ -14,4 +14,11 @@ config NET_MEDIATEK_SOC + This driver supports the gigabit ethernet MACs in the + MediaTek MT2701/MT7623 chipset family. + ++config NET_MEDIATEK_HNAT ++ tristate "MediaTek MT7623 hardware NAT support" ++ depends on NET_MEDIATEK_SOC && NF_CONNTRACK && NF_CONNTRACK_IPV4 && IP_NF_NAT && IP_NF_TARGET_MASQUERADE ++ ---help--- ++ This driver supports the hardwaer NAT in the ++ MediaTek MT2701/MT7623 chipset family. ++ + endif #NET_VENDOR_MEDIATEK +--- a/drivers/net/ethernet/mediatek/Makefile ++++ b/drivers/net/ethernet/mediatek/Makefile +@@ -3,3 +3,4 @@ + # + + obj-$(CONFIG_NET_MEDIATEK_SOC) += mtk_eth_soc.o ++obj-$(CONFIG_NET_MEDIATEK_HNAT) += mtk_hnat/ +--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c ++++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c +@@ -23,6 +23,10 @@ + #include <linux/reset.h> + #include <linux/tcp.h> + ++#if defined(CONFIG_NET_MEDIATEK_HNAT) || defined(CONFIG_NET_MEDIATEK_HNAT_MODULE) ++#include "mtk_hnat/nf_hnat_mtk.h" ++#endif ++ + #include "mtk_eth_soc.h" + + static int mtk_msg_level = -1; +@@ -649,6 +653,11 @@ static int mtk_tx_map(struct sk_buff *sk + return -ENOMEM; + + /* set the forward port */ ++#if defined(CONFIG_NET_MEDIATEK_HNAT) || defined(CONFIG_NET_MEDIATEK_HNAT_MODULE) ++ if (HNAT_SKB_CB2(skb)->magic == 0x78681415) ++ fport |= 0x4 << TX_DMA_FPORT_SHIFT; ++ else ++#endif + fport = (mac->id + 1) << TX_DMA_FPORT_SHIFT; + txd4 |= fport; + +@@ -1013,6 +1022,10 @@ static int mtk_poll_rx(struct napi_struc + RX_DMA_VID(trxd.rxd3)) + __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), + RX_DMA_VID(trxd.rxd3)); ++#if defined(CONFIG_NET_MEDIATEK_HNAT) || defined(CONFIG_NET_MEDIATEK_HNAT_MODULE) ++ *(u32 *)(skb->head) = trxd.rxd4; ++ skb_hnat_alg(skb) = 0; ++#endif + skb_record_rx_queue(skb, 0); + napi_gro_receive(napi, skb); + +--- a/net/netfilter/nf_conntrack_proto_tcp.c ++++ b/net/netfilter/nf_conntrack_proto_tcp.c +@@ -11,6 +11,7 @@ + #include <linux/types.h> + #include <linux/timer.h> + #include <linux/module.h> ++#include <linux/inetdevice.h> + #include <linux/in.h> + #include <linux/tcp.h> + #include <linux/spinlock.h> +@@ -19,6 +20,7 @@ + #include <net/ip6_checksum.h> + #include <asm/unaligned.h> + ++#include <net/ip.h> + #include <net/tcp.h> + + #include <linux/netfilter.h> +@@ -53,6 +55,11 @@ static int nf_ct_tcp_max_retrans __read_ + /* FIXME: Examine ipfilter's timeouts and conntrack transitions more + closely. They're more complex. --RR */ + ++#ifndef IPV4_DEVCONF_DFLT ++ #define IPV4_DEVCONF_DFLT(net, attr) \ ++ IPV4_DEVCONF((*net->ipv4.devconf_dflt), attr) ++#endif ++ + static const char *const tcp_conntrack_names[] = { + "NONE", + "SYN_SENT", +@@ -519,6 +526,18 @@ static bool tcp_in_window(const struct n + if (nf_ct_tcp_no_window_check) + return true; + ++ if (net) { ++ if ((net->ipv4.devconf_all && net->ipv4.devconf_dflt && net->ipv6.devconf_all) && ++ net->ipv6.devconf_dflt) { ++ if ((IPV4_DEVCONF_DFLT(net, FORWARDING) || ++ IPV4_DEVCONF_ALL(net, FORWARDING)) || ++ (net->ipv6.devconf_all->forwarding || ++ net->ipv6.devconf_dflt->forwarding)) { ++ return true; ++ } ++ } ++ } ++ + /* + * Get the required data from the packet. + */ |