Messages in this thread | | | Date | Tue, 20 Jul 2010 23:34:57 -0700 (PDT) | Subject | Re: [PATCH net-next] sysfs: add entry to indicate network interfaces with random MAC address | From | David Miller <> |
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From: Harald Hoyer <harald@redhat.com> Date: Wed, 21 Jul 2010 08:26:27 +0200
> On 07/20/2010 11:20 PM, David Miller wrote: >> From: Stephen Hemminger<shemminger@vyatta.com> >> Date: Tue, 20 Jul 2010 14:18:16 -0700 >> >>> No one mentioned that the first octet of an Ethernet address already >>> indicates "software generated" Ethernet address. Per the standard, >>> if bit 1 is set it means address is locally assigned. >>> >>> static inline bool is_locally_assigned_ether(const u8 *addr) >>> { >>> return (addr[0]& 0x2) != 0; >>> } >> >> W00t! >> >> Indeed, can udev just use that? :-) > > It already does: > see /lib/udev/rules.d/75-persistent-net-generator.rules
So... why doesn't this work?
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