From 4836f6e1276c8ec198c64f5150fd706309932725 Mon Sep 17 00:00:00 2001
From: Fuyan Yuan <33221728+TheRainstorm@users.noreply.github.com>
Date: Sun, 18 Aug 2024 21:02:09 +0800
Subject: [PATCH 1/3] kernel config: fix ipv4 policy routing

---
 .../linux/sg2002_licheervnano_sd_defconfig                      | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/build/boards/sg200x/sg2002_licheervnano_sd/linux/sg2002_licheervnano_sd_defconfig b/build/boards/sg200x/sg2002_licheervnano_sd/linux/sg2002_licheervnano_sd_defconfig
index 754faade6..c8eb84b13 100644
--- a/build/boards/sg200x/sg2002_licheervnano_sd/linux/sg2002_licheervnano_sd_defconfig
+++ b/build/boards/sg200x/sg2002_licheervnano_sd/linux/sg2002_licheervnano_sd_defconfig
@@ -599,7 +599,7 @@ CONFIG_UNIX_DIAG=y
 # CONFIG_NET_KEY is not set
 CONFIG_INET=y
 CONFIG_IP_MULTICAST=y
-# CONFIG_IP_ADVANCED_ROUTER is not set
+CONFIG_IP_ADVANCED_ROUTER=y
 CONFIG_IP_ROUTE_CLASSID=y
 # CONFIG_IP_PNP is not set
 # CONFIG_NET_IPIP is not set

From 38156d546ea9d4b535a316514cb65d35f0418dff Mon Sep 17 00:00:00 2001
From: Fuyan Yuan <33221728+TheRainstorm@users.noreply.github.com>
Date: Sun, 18 Aug 2024 21:03:55 +0800
Subject: [PATCH 2/3] kernel config: enable net namespace, TCP BBR, GRE and
 VXLAN tunnel protocol

---
 .../linux/sg2002_licheervnano_sd_defconfig         | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/build/boards/sg200x/sg2002_licheervnano_sd/linux/sg2002_licheervnano_sd_defconfig b/build/boards/sg200x/sg2002_licheervnano_sd/linux/sg2002_licheervnano_sd_defconfig
index c8eb84b13..ce5241d98 100644
--- a/build/boards/sg200x/sg2002_licheervnano_sd/linux/sg2002_licheervnano_sd_defconfig
+++ b/build/boards/sg200x/sg2002_licheervnano_sd/linux/sg2002_licheervnano_sd_defconfig
@@ -565,12 +565,12 @@ CONFIG_SPI_SPIDEV=y
 # CONFIG_FUSE_FS is not set
 # CONFIG_CUSE is not set
 # CONFIG_OVERLAY_FS is not set
-# CONFIG_NAMESPACES is not set
+CONFIG_NAMESPACES=y
 # CONFIG_UTS_NS is not set
 # CONFIG_IPC_NS is not set
-# CONFIG_USER_NS is not set
+CONFIG_USER_NS=y
 # CONFIG_PID_NS is not set
-# CONFIG_NET_NS is not set
+CONFIG_NET_NS=y
 # CONFIG_CGROUPS is not set
 # CONFIG_MEMCG is not set
 # CONFIG_BLK_CGROUP is not set
@@ -603,6 +603,7 @@ CONFIG_IP_ADVANCED_ROUTER=y
 CONFIG_IP_ROUTE_CLASSID=y
 # CONFIG_IP_PNP is not set
 # CONFIG_NET_IPIP is not set
+CONFIG_NET_IPGRE=y
 # CONFIG_NET_IPGRE_DEMUX is not set
 CONFIG_IP_MULTIPLE_TABLES=y
 # CONFIG_IP_MROUTE is not set
@@ -613,8 +614,9 @@ CONFIG_SYN_COOKIES=y
 # CONFIG_INET_ESP is not set
 # CONFIG_INET_IPCOMP is not set
 # CONFIG_INET_DIAG is not set
-# CONFIG_TCP_CONG_ADVANCED is not set
+CONFIG_TCP_CONG_ADVANCED=y
 CONFIG_TCP_CONG_CUBIC=y
+CONFIG_TCP_CONG_BBR=y
 CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_TCP_MD5SIG is not set
 CONFIG_IPV6=y
@@ -627,7 +629,8 @@ CONFIG_IPV6=y
 # CONFIG_IPV6_ILA is not set
 # CONFIG_IPV6_VTI is not set
 # CONFIG_IPV6_SIT is not set
-# CONFIG_IPV6_TUNNEL is not set
+CONFIG_IPV6_TUNNEL=y
+CONFIG_IPV6_GRE=y
 CONFIG_IPV6_MULTIPLE_TABLES=y
 # CONFIG_IPV6_MROUTE is not set
 # CONFIG_IPV6_SEG6_LWTUNNEL is not set
@@ -993,6 +996,7 @@ CONFIG_TUN=y
 
 CONFIG_NET_IP_TUNNEL=y
 CONFIG_NET_UDP_TUNNEL=y
+CONFIG_VXLAN=y
 CONFIG_USB_NET_RNDIS_WLAN=m
 CONFIG_USB_SERIAL=y
 CONFIG_USB_SERIAL_OPTION=y

From d80ada2d6fe42f23fbe90efa03ca0f5b867cfd5f Mon Sep 17 00:00:00 2001
From: Fuyan Yuan <33221728+TheRainstorm@users.noreply.github.com>
Date: Sun, 18 Aug 2024 21:11:38 +0800
Subject: [PATCH 3/3] buildroot: enable netcat, mtr utils

---
 buildroot/configs/cvitek_SG200X_musl_riscv64_defconfig | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/buildroot/configs/cvitek_SG200X_musl_riscv64_defconfig b/buildroot/configs/cvitek_SG200X_musl_riscv64_defconfig
index 5449bfe16..c7b6c156c 100644
--- a/buildroot/configs/cvitek_SG200X_musl_riscv64_defconfig
+++ b/buildroot/configs/cvitek_SG200X_musl_riscv64_defconfig
@@ -97,6 +97,8 @@ BR2_PACKAGE_WIRELESS_REGDB=y
 BR2_PACKAGE_MOSH=y
 BR2_PACKAGE_LRZSZ=y
 BR2_PACKAGE_IW=y
+BR2_PACKAGE_NETCAT=y
+BR2_PACKAGE_MTR=y
 # BR2_PACKAGE_WIREGUARD=y
 BR2_PACKAGE_WIREGUARD_TOOLS=y
 # BR2_PACKAGE_WIREGUARD_LINUX_COMPAT=y
@@ -138,6 +140,7 @@ BR2_PACKAGE_PARTED=y
 BR2_PACKAGE_MEMTESTER=y
 BR2_PACKAGE_CACHE_CALIBRATOR=y
 BR2_PACKAGE_DHRYSTONE=y
+BR2_PACKAGE_COREMARK=y
 BR2_PACKAGE_RAMSPEED=y
 BR2_PACKAGE_SPIDEV_TEST=y
 BR2_PACKAGE_STRESS_NG=y