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koreader/platform/kobo/enable-wifi.sh

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#!/bin/sh
# NOTE: Close any non-standard fds, so that it doesn't come back to bite us in the ass with USBMS later...
for fd in /proc/"$$"/fd/*; do
fd_id="$(basename "${fd}")"
if [ -e "${fd}" ] && [ "${fd_id}" -gt 2 ]; then
# NOTE: dash (meaning, in turn, busybox's ash, uses fd 10+ open to /dev/tty or $0 (w/ CLOEXEC))
fd_path="$(readlink -f "${fd}")"
if [ "${fd_path}" != "/dev/tty" ] && [ "${fd_path}" != "$(readlink -f "${0}")" ] && [ "${fd}" != "${fd_path}" ]; then
eval "exec ${fd_id}>&-"
echo "[enable-wifi.sh] Closed fd ${fd_id} -> ${fd_path}"
fi
fi
done
# Load wifi modules and enable wifi.
if ! grep -q "^sdio_wifi_pwr" "/proc/modules"; then
if [ -e "/drivers/${PLATFORM}/wifi/sdio_wifi_pwr.ko" ]; then
# Handle the shitty DVFS switcheroo...
if [ -n "${CPUFREQ_DVFS}" ]; then
echo "userspace" >"/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor"
echo "1" >"/sys/devices/platform/mxc_dvfs_core.0/enable"
fi
insmod "/drivers/${PLATFORM}/wifi/sdio_wifi_pwr.ko"
else
# Poke the kernel via ioctl on platforms without the dedicated power module...
# 208 is CM_WIFI_CTRL
./luajit frontend/device/kobo/ntx_io.lua 208 1
fi
fi
# Moar sleep!
usleep 250000
# NOTE: Used to be exported in WIFI_MODULE_PATH before FW 4.23
if ! grep -q "^${WIFI_MODULE}" "/proc/modules"; then
# Set the Wi-Fi regulatory domain properly if necessary...
WIFI_COUNTRY_CODE_PARM=""
if grep -q "^WifiRegulatoryDomain=" "/mnt/onboard/.kobo/Kobo/Kobo eReader.conf"; then
WIFI_COUNTRY_CODE="$(grep "^WifiRegulatoryDomain=" "/mnt/onboard/.kobo/Kobo/Kobo eReader.conf" | cut -d '=' -f2)"
case "${WIFI_MODULE}" in
"8821cs")
WIFI_COUNTRY_CODE_PARM="rtw_country_code=${WIFI_COUNTRY_CODE}"
;;
esac
fi
if [ -e "/drivers/${PLATFORM}/wifi/${WIFI_MODULE}.ko" ]; then
if [ -n "${WIFI_COUNTRY_CODE_PARM}" ]; then
insmod "/drivers/${PLATFORM}/wifi/${WIFI_MODULE}.ko" "${WIFI_COUNTRY_CODE_PARM}"
else
insmod "/drivers/${PLATFORM}/wifi/${WIFI_MODULE}.ko"
fi
elif [ -e "/drivers/${PLATFORM}/${WIFI_MODULE}.ko" ]; then
# NOTE: Modules are unsorted on Mk. 8
if [ -n "${WIFI_COUNTRY_CODE_PARM}" ]; then
insmod "/drivers/${PLATFORM}/${WIFI_MODULE}.ko" "${WIFI_COUNTRY_CODE_PARM}"
else
insmod "/drivers/${PLATFORM}/${WIFI_MODULE}.ko"
fi
fi
fi
# Race-y as hell, don't try to optimize this!
sleep 1
ifconfig "${INTERFACE}" up
[ "${WIFI_MODULE}" = "dhd" ] && wlarm_le -i "${INTERFACE}" up
pkill -0 wpa_supplicant ||
env -u LD_LIBRARY_PATH \
wpa_supplicant -D wext -s -i "${INTERFACE}" -c /etc/wpa_supplicant/wpa_supplicant.conf -O /var/run/wpa_supplicant -B