Julian Elischer wrote:
When we added netgraph we split both the input and output parts
so that they would provide 'natural' entrypoints for a bridge.
Consider where a bridge wants to put packets.
In bms_netdev, bridge_input() is entered directly from ether_input(). It
may potentially re-enter, so M_PROMISC is cleared on frames thus handed
off to if_bridge(4). Same for ng_ether(4).
Since the split however other code has made use of those entrypoints
at different
times. I'm not sure at the moment whether other code does so now.
According to KScope on -CURRENT, the only other places which call the
split ether_demux() are dummynet_send() and ng_ether_rcv_upper().
Regards,
BMS
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