80 lines
2.2 KiB
Bash
80 lines
2.2 KiB
Bash
#!/bin/sh
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# The bit settings of drv_mode are:
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# Bit 0 : STA
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# Bit 1 : uAP
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# Bit 2 : WIFIDIRECT
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# eg, for STA + uAP + WIFIDIRECT, set 7 (b'111)
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DRIVER_MODE=1 # Only STA
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# MREG_D(00000200), MERROR(00000004),MFATAL(00000002)
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DRIVER_DEBUG="0x206"
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MOAL_PARAMS=" \
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cfg80211_wext=0xf \
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max_vir_bss=1 \
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cal_data_cfg=none \
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ps_mode=1 \
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auto_ds=1 \
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host_mlme=1 \
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drv_mode=${DRIVER_MODE} \
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drvdbg=${DRIVER_DEBUG} \
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sta_name=wlan \
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country_ie_ignore=1 \
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txpwrlimit_cfg=nxp/txpower_US.bin \
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init_hostcmd_cfg=nxp/rutxpower_US.bin \
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fw_name=nxp/sd_w61x_v1.bin.se \
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"
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MMC_NODE="428b0000.mmc"
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# Lock file to track and prevent to re-run the script when rebinding the MMC node.
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LOCKFILE="/tmp/iw61x.lock"
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log() {
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printf "<3>iw61x-wifi: $1\n" >/dev/kmsg
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}
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if test -f "$LOCKFILE"; then
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# Script called due to rebinding of mmc. Ignore it and remove the lock file.
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rm $LOCKFILE
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exit 1
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fi
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if ! [ -e "/proc/device-tree/wireless/mac-address" ]; then
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log "[ERROR] wireless mac-address not found"
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exit 1
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fi
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WLANADDR=$(hexdump -ve '1/1 "%02X" ":"' /proc/device-tree/wireless/mac-address 2>/dev/null | sed 's/:$//g')
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# Force re-detection of the mmc node
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rebind_mmc_node() {
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DRIVER_NODE=$(find /sys/bus/platform/drivers -name ${MMC_NODE} | xargs dirname 2> /dev/null) || return 1
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echo ${MMC_NODE} > ${DRIVER_NODE}/unbind
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# Give some time to the mmc driver to re-detect the MMC node in order to re-initialize it.
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sleep 2
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echo ${MMC_NODE} > ${DRIVER_NODE}/bind
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}
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load_and_check() {
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iw reg set US && \
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modprobe mlan && \
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modprobe moal ${MOAL_PARAMS} mac_addr=${WLANADDR} && \
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sleep $1 && [ -d "/sys/class/net/wlan0" ]
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}
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load_and_check 0 && log "Wi-Fi activated" && exit 0
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# If we are here, the load has failed. Unload (unconditionally) the driver in case it was loaded and retry.
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log "[WARN] Loading moal module failed, retrying..."
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modprobe -r moal
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# Create a lock file, as rebinding the mmc node will trigger the udev rules
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# Do not remove the file at the end, it will be called by the script in the rebind call
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touch $LOCKFILE
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# Rebind and load the driver. Use a custom sleep to give enough time to the driver load.
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rebind_mmc_node && load_and_check 2 && log "Wi-Fi activated" && exit 0
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log "[ERROR] Cannot activate Wi-Fi"
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exit 1
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