WNDR4300 自定义固件(LEDE 17.01.0)

相对官方固件，修改以下几点：

1. 修改分区，全部利用 128MB 空间，刷固件后 / 99.2MB, 可用空间 94.5MB
2. 去掉 dnsmasq, 改为 dnsmasq-full, 可以安装 ipset 配合 SS, 你懂的
3. 增加无线配置，刷机 /重置路由 后无需连接有线来配置路由

固件仅仅是对官方的重新打包，所以可以使用官方所有的 kmod

下载 imagebuilder

version="17.01.0"
wget "https://downloads.lede-project.org/releases/${version}/targets/ar71xx/nand/lede-imagebuilder-${version}-ar71xx-nand.Linux-x86_64.tar.xz"
tar -axf "lede-imagebuilder-${version}-ar71xx-nand.Linux-x86_64.tar.xz"
cd "lede-imagebuilder-${version}-ar71xx-nand.Linux-x86_64"

打分区补丁

cat >wndr4300-lede-17.01.0.patch<<'EOF'
--- target/linux/ar71xx/image/legacy.mk 2017-02-25 20:36:05.945981306 +0800
+++ target/linux/ar71xx/image/legacy.mk 2017-02-25 20:39:39.015888878 +0800
@@ -281,7 +281,8 @@
wnr2000v4_mtdlayout=mtdparts=spi0.0:192k(u-boot)ro,64k(u-boot-env)ro,3776k(firmware),64k(art)ro
r6100_mtdlayout=mtdparts=ar934x-nfc:128k(u-boot)ro,256k(caldata)ro,256k(caldata-backup),512k(config),512k(pot),2048k(kernel),122240k(ubi),25600k@0x1a0000(firmware),2048k(language),3072k(traffic_meter)
tew823dru_mtdlayout=mtdparts=spi0.0:192k(u-boot)ro,64k(nvram)ro,15296k(firmware),192k(lang)ro,512k(my-dlink)ro,64k(mac)ro,64k(art)ro
-wndr4300_mtdlayout=mtdparts=ar934x-nfc:256k(u-boot)ro,256k(u-boot-env)ro,256k(caldata)ro,512k(pot),2048k(language),512k(config),3072k(traffic_meter),2048k(kernel),23552k(ubi),25600k@0x6c0000(firmware),256k(caldata_backup),-(reserved)
+#wndr4300_mtdlayout=mtdparts=ar934x-nfc:256k(u-boot)ro,256k(u-boot-env)ro,256k(caldata)ro,512k(pot),2048k(language),512k(config),3072k(traffic_meter),2048k(kernel),23552k(ubi),25600k@0x6c0000(firmware),256k(caldata_backup),-(reserved)
+wndr4300_mtdlayout=mtdparts=ar934x-nfc:256k(u-boot)ro,256k(u-boot-env)ro,256k(caldata)ro,512k(pot),2048k(language),512k(config),3072k(traffic_meter),2048k(kernel),121856k(ubi),123904k@0x6c0000(firmware),256k(caldata_backup),-(reserved)
zcn1523h_mtdlayout=mtdparts=spi0.0:256k(u-boot)ro,64k(u-boot-env)ro,6208k(rootfs),1472k(kernel),64k(configure)ro,64k(mfg)ro,64k(art)ro,7680k@0x50000(firmware)
mynet_rext_mtdlayout=mtdparts=spi0.0:256k(u-boot)ro,7808k(firmware),64k(nvram)ro,64k(ART)ro
zyx_nbg6716_mtdlayout=mtdparts=spi0.0:256k(u-boot)ro,64k(env)ro,64k(RFdata)ro,-(nbu);ar934x-nfc:2048k(zyxel_rfsd),2048k(romd),1024k(header),2048k(kernel),-(ubi)
EOF

patch -p0 < wndr4300-lede-17.01.0.patch

创建无线配置

mkdir -p v2ex/etc/config
cat > v2ex/etc/config/wireless<<'EOF'

config wifi-device 'radio0'
    option type 'mac80211'
    option hwmode '11g'
    option path 'platform/ar934x_wmac'
    option htmode 'HT20'
    option channel 'auto'
    option country 'US'
    option txpower '27'
    option disabled '0'

config wifi-iface
    option device 'radio0'
    option network 'lan'
    option mode 'ap'
    option encryption 'psk2+ccmp'
    option key 'v2exv2ex'
    option ssid 'WNDR4300'
    option wmm '0'

config wifi-device 'radio1'
    option type 'mac80211'
    option hwmode '11a'
    option path 'pci0000:00/0000:00:00.0'
    option channel 'auto'
    option country 'US'
    option disabled '0'
    option htmode 'HT40'
    option txpower '17'

config wifi-iface
    option device 'radio1'
    option mode 'ap'
    option network 'lan'
    option encryption 'psk2+ccmp'
    option key 'v2exv2ex'
    option ssid 'WNDR4300-5G'
    option wmm '0'

EOF

创建固件

name="lede-17.01.0-ar71xx-nand-wndr4300"
make image PROFILE=WNDR4300V1 PACKAGES="luci luci-theme-bootstrap luci-app-firewall uci dnsmasq-full wpad-mini -dnsmasq" FILES=v2ex
cd bin/targets/ar71xx/nand/
mv lede-17.01.0-r3205-59508e3-ar71xx-nand-wndr4300-squashfs-sysupgrade.tar ${name}-squashfs-sysupgrade.tar
mv lede-17.01.0-r3205-59508e3-ar71xx-nand-wndr4300-ubi-factory.img ${name}-ubi-factory.img
tar Jcf "${name}.tar.xz" ${name}-squashfs-sysupgrade.tar ${name}-ubi-factory.img
mv "${name}.tar.xz" ../../../../
cd ../../../../

刷固件之后，可以连接路由的 wifi, SSID 和密码分别是
WNDR4300
v2exv2ex