mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-23 23:42:43 +00:00
1f068588ef
Signed-off-by: Muciri Gatimu <muciri@openmesh.com> Signed-off-by: Shashidhar Lakkavalli <shashidhar.lakkavalli@openmesh.com> Signed-off-by: John Crispin <john@phrozen.org>
120 lines
3.7 KiB
Diff
120 lines
3.7 KiB
Diff
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.
|
|
*/
|