On NetBSD, use TCP_KEEPIDLE as KEEPALIVE_OPTION. #110
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Without this, we saw this on NetBSD (routinator uses net2): 13038 19 routinator CALL setsockopt(0x15,0xffff,8,0x7d60bd3d62b4,4) 13038 19 routinator RET setsockopt 0 13038 19 routinator CALL setsockopt(0x15,6,8,0x7d60bd3d62b4,4) 13038 19 routinator RET setsockopt -1 errno 42 Protocol option not available The '8' in the above corresponds to the "ifdef notyet" definition of TCP_NOOPT, reserved for (future/possible) FreeBSD compat, and results in the ENOPROTOOPT error return shown above.
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Without this, we saw this on NetBSD (routinator uses net2):
13038 19 routinator CALL setsockopt(0x15,0xffff,8,0x7d60bd3d62b4,4)
13038 19 routinator RET setsockopt 0
13038 19 routinator CALL setsockopt(0x15,6,8,0x7d60bd3d62b4,4)
13038 19 routinator RET setsockopt -1 errno 42 Protocol option not available
The '8' in the above corresponds to the "ifdef notyet" definition
of TCP_NOOPT, reserved for (future/possible) FreeBSD compat, and
results in the ENOPROTOOPT error return shown above.