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Differential D42467

if_tuntap: trigger the bpf hook on transmitting for the tap interface
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Authored by tuexen on Nov 4 2023, 4:34 PM.
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rscheff
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rgrimes
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rGf6aae554b076: if_tuntap: trigger the bpf hook on transmitting for the tap interface
rGe0f22f9e1867: if_tuntap: trigger the bpf hook on transmitting for the tap interface
rG35af22ac986c: if_tuntap: trigger the bpf hook on transmitting for the tap interface
Summary

The tun interface triggers the bpf hook when a packet is transmitted, the tap interface triggers it when the packet is read from the character device. This is inconsistent. So fix the tap device such that is behaves like the tun device. This is needed for adding support for the tap device to packetdrill.

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rG FreeBSD src repository
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sys/
net/
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sys/net/if_tuntap.c

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