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- #!/bin/sh
- #
- # "ANI-thing is better than no WiFi"-Workaround
- #
- # In order to avoid further WiFi-Blackouts that *might* be caused by a buggy
- # ANI feature in the ath9k kernel module, we disable ANI for nodes using the
- # "stable" firmware branch until it got fixed in OpenWRT completely.
- # Don't need to do anything, unless the script gets triggered by an "ifup"
- # event.
- [[ "$ACTION" != "ifup" ]] && exit 0;
- [[ "$INTERFACE" != "mesh_radio0" && "$INTERFACE" != "client" ]] && exit 0;
- # Test whether disabling ANI is applicable or not
- if [ ! -e "/sys/kernel/debug/ieee80211/phy0/ath9k/ani" ] ; then
- logger -s -t ath9k-disable-ani -p local0.notice \
- "Not an ath9k device with ANI. Aborting."
- exit 0
- fi
- # Load helper functions and determine the current branch
- . /lib/functions.sh
- config_load autoupdater
- # Test whether this devices has the stable or the testing firmware
- config_get fw_branch "settings" "branch"
- new_ani_state=1
- log_msg="Current firmware branch is: ${fw_branch}"
- if [ "$fw_branch" == "stable" ] ; then
- new_ani_state=0
- log_msg="${log_msg} (disabling ANI)"
- else
- log_msg="${log_msg} (enabling ANI)"
- fi
- # enable/disable feature
- logger -s -t ath9k-disable-ani -p local0.info $log_msg
- /bin/echo ${new_ani_state} > /sys/kernel/debug/ieee80211/phy0/ath9k/ani
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