From: Jeff Garzik <jgarzik@mandrakesoft.com>
Date: Tue, 12 Feb 2002 23:54:54 -0500
Since netlink flags and dmesg show promisc mode, and promisc mode works,
and SIOCGIFLAGS used to return IFF_PROMISC, I made the assumption that
the problem was elsewhere :)
Can you trace the value of dev->gflags for me through all of these
actions? It should contain IFF_PROMISC when set by this bit of code:
if ((flags^dev->gflags)&IFF_ALLMULTI) {
int inc = (flags&IFF_ALLMULTI) ? +1 : -1;
dev->gflags ^= IFF_ALLMULTI;
dev_set_allmulti(dev, inc);
}
in net/core/dev.c:dev_change_flags(), which is the only way
dev_set_promiscuity and the dmesg log you see can occur.
This code and logic hasn't even changed between 2.2 and 2.4.x
in fact.
I'm stumped :)
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