Page MenuHomeFreeBSD
Differential D19317 Diff 54538 sys/netpfil/ipfw/nat64/nat64_translate.h

Changeset View

Standalone View

View Options

sys/netpfil/ipfw/nat64/nat64_translate.h

Show First 20 Lines • Show All 103 Lines • ▼ Show 20 Lines if (addr->s6_addr16[0] == 0 || /* 0000::/8 Reserved by IETF */
return (1); return (1);
return (0); return (0);
} }
static inline int static inline int
nat64_check_ip4(in_addr_t ia) nat64_check_ip4(in_addr_t ia)
{ {
/* IN_LOOPBACK */ /* These checks are ordered from most likely to least */
if ((ia & htonl(0xff000000)) == htonl(0x7f000000)) if (IN_MULTICAST(ntohl(ia)) || IN_LOOPBACK(ntohl(ia)) ||
return (1); IN_LINKLOCAL(ntohl(ia)) || IN_EXPERIMENTAL(ntohl(ia)))
/* IN_LINKLOCAL */
if ((ia & htonl(0xffff0000)) == htonl(0xa9fe0000))
return (1);
/* IN_MULTICAST & IN_EXPERIMENTAL */
if ((ia & htonl(0xe0000000)) == htonl(0xe0000000))
return (1); return (1);
return (0); return (0);
} }
karelsUnsubmitted
Done
Inline Actions

Do you intend to commit this comment, or to follow up on it? Sure looks like everything is in network byte order, might as well just fix it.

karels: Do you intend to commit this comment, or to follow up on it? Sure looks like everything is in…
rgrimesAuthorUnsubmitted
Done
Inline Actions

I intend to fix it, this is WIP. But I also need some feedback before I go make a 1000 line diff, I have just done the critical stuff in the kernel that makes it even possible to transport packets when you alter the macro's values.

rgrimes: I intend to fix it, this is WIP. But I also need some feedback before I go make a 1000 line…
/* Well-known prefix 64:ff9b::/96 */ /* Well-known prefix 64:ff9b::/96 */
#define IPV6_ADDR_INT32_WKPFX htonl(0x64ff9b) #define IPV6_ADDR_INT32_WKPFX htonl(0x64ff9b)
#define IN6_IS_ADDR_WKPFX(a) \ #define IN6_IS_ADDR_WKPFX(a) \
((a)->s6_addr32[0] == IPV6_ADDR_INT32_WKPFX && \ ((a)->s6_addr32[0] == IPV6_ADDR_INT32_WKPFX && \
(a)->s6_addr32[1] == 0 && (a)->s6_addr32[2] == 0) (a)->s6_addr32[1] == 0 && (a)->s6_addr32[2] == 0)
int nat64_check_private_ip4(const struct nat64_config *cfg, in_addr_t ia); int nat64_check_private_ip4(const struct nat64_config *cfg, in_addr_t ia);
Show All 19 Lines