Bruce M. Simpson wrote:
Gleb Smirnoff wrote:
...
Moreover, in case of promisc + net.inet.ip.forwarding=1 our box will
resend
all the received foreign packets :(
NetBSD has M_PROMISC presumably for detecting situations like this:
http://fxr.watson.org/fxr/ident?v=NETBSD&i=M_PROMISC
The other cool thing is the opportunities for functional separation
which it offers.
For example: wi(4) is known to have a broken IFF_ALLMULTI mode, as do
other cards. If we added an ifnet capability 'has working hardware
allmulti', M_PROMISC lets you do the right thing in either case at the
cost of checking a bit.
Rehards,
BMS
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