On 01/16/13 06:16, John Baldwin wrote: > On Tuesday, January 15, 2013 3:49:33 am Lawrence Stewart wrote: >> On 01/15/13 07:50, John Baldwin wrote: >>> The constants used for TCP and UDP socket options (TCP_NODELAY, etc.) are >>> currently defined as hex values that are individual bits. However, socket >>> options are never masked together, they are used as a simple enumeration of >>> discrete values. Using a bitmask forces us to run out of bits and makes it >>> harder for vendors to try to use a high range of values for local custom >>> options (hoping that they never conflict with a new option value added in >>> stock FreeBSD). >> >> Yup. Should we be explicitly #defining the boundary between "bits >> reserved for FreeBSD" and "bits for private vendor use"? > > Oh, we could if you wanted. I'm using 0x1000 locally for both TCP and UDP, > but those are completely arbitrary values. Saner ones might be 0x8000000 if > we want to do that explicitly. We could perhaps just say that is true for all > socket option levels (that is, just define one SO_VENDOR constant or some such > but say it applies to all levels)?
A single SO_VENDOR applied to all levels sounds good to me. Cheers, Lawrence _______________________________________________ freebsd-net@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org"
