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On 10/09/12 04:05 PM, David Leverton wrote: |
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> 4) dhcpcd: not sure when it was introduced, but current dhcpcd can |
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> detect when the link goes up and down, and request/renew its lease |
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> when it comes up. The only wrinkle that I can see here is that, if |
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> no ifplugd/netplug/wpa_supplicant is configured, OpenRC waits for |
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> it to receive a lease when starting the interface, rather than |
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> allowing it to background itself. |
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> |
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> So for dhcpcd, it might be enough to just make OpenRC aware that |
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> it doesn't need to wait for a lease when starting the interface. |
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According to bug 253925 , this would only work for certain hardware |
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(ie, those that support the IFF_RUNNING method); ifplugd suppots three |
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methods (IFF_RUNNING, ethtool-style, mii-style), and netplug -seems- |
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to do it by connecting at the netlink level to the interface and just |
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listening for traffic (as far as I can tell). So for link detection, |
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both ifplugd and netplug would be better than attempting to just use |
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dhcpcd, imo (not to mention the non-dhcp-based configs).. |
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(plus, since this is all for oldnet only, i would expect dhcpcd would |
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be a bit of an issue to integrate so that it would be able to move |
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net.* from inactive to started state and then exclude it from being |
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run a second time to configure the now-up iface..) |
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