aboutsummaryrefslogtreecommitdiffstats
path: root/target/linux/mediatek/patches-4.9/0056-net-mediatek-add-hw-nat-support.patch
diff options
context:
space:
mode:
authorJohn Crispin <john@phrozen.org>2017-08-18 18:11:52 +0200
committerJohn Crispin <john@phrozen.org>2017-08-18 18:41:41 +0200
commit1f068588efddf0175e954ffc07ec8478bddd52c7 (patch)
tree3e65bb1b6d076cac2597db4bcbf71a9fedee1099 /target/linux/mediatek/patches-4.9/0056-net-mediatek-add-hw-nat-support.patch
parent364befeccf01c07049b492d90e98c2c13457c7c3 (diff)
downloadupstream-1f068588efddf0175e954ffc07ec8478bddd52c7.tar.gz
upstream-1f068588efddf0175e954ffc07ec8478bddd52c7.tar.bz2
upstream-1f068588efddf0175e954ffc07ec8478bddd52c7.zip
mediatek: update to latest kernel patchset from v4.13-rc
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>
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.patch119
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.
+ */