cc73a98419
this means that net devices in devices/foo/default.nix can be specified by their sysfs paths (instead of by "eth0" and "eth1" that may change from one kernel version to the next) and given mnenomic names that are helpful for the hardware. Like "wan" and "lan[1..4]"
31 lines
630 B
Nix
31 lines
630 B
Nix
{
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liminix
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, ifwait
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, serviceFns
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, lib
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}:
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{
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ifname
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, devpath ? null
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, mtu} :
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# if devpath is supplied, we rename the interface at that
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# path to have the specified name.
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let
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inherit (liminix.services) longrun oneshot;
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inherit (lib) concatStringsSep;
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name = "${ifname}.link";
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rename = if devpath != null
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then ''
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oldname=$(cd /sys${devpath} && cd net/ && echo *)
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ip link set ''${oldname} name ${ifname}
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''
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else "";
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in oneshot {
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inherit name;
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up = ''
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${rename}
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${liminix.networking.ifup name ifname}
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'';
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down = "ip link set down dev ${ifname}";
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}
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