On Wednesday 2010-07-21 15:21, Simon Horman wrote: >> On Wednesday 2010-07-21 03:21, Simon Horman wrote: >> >> + >> >> +#define XT_IPVS_IPVS_PROPERTY (1 << 0) /* all other options imply this one */ >> >> +#define XT_IPVS_PROTO (1 << 1) >> >> +#define XT_IPVS_VADDR (1 << 2) >> >> +#define XT_IPVS_VPORT (1 << 3) >> >> +#define XT_IPVS_DIR (1 << 4) >> >> +#define XT_IPVS_METHOD (1 << 5) >> >> +#define XT_IPVS_VPORTCTL (1 << 6) >> >> +#define XT_IPVS_MASK ((1 << 7) - 1) >> >> +#define XT_IPVS_ONCE_MASK (XT_IPVS_MASK & ~XT_IPVS_IPVS_PROPERTY) >> >> Can't these just be an enum? > >More than one option can be used at once - they form a mini bitmap - >so no, I don't think we can use an enum. An enum does not dictate that you cannot combine values of it with itself. enum { A = 1 << 0, B = 1 << 0, }; unsigned int flags = A | B; is perfectly fine, which is what other modules do. -- To unsubscribe from this list: send the line "unsubscribe netfilter-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html