| #ifndef _NET_PFXLEN_H |
| #define _NET_PFXLEN_H 1 |
| |
| #include <asm/byteorder.h> |
| #ifdef HAVE_PFXLEN_H |
| #include <linux/netfilter/pfxlen.h> |
| #else |
| |
| #include <libipset/nf_inet_addr.h> /* union nf_inet_addr */ |
| |
| #define E(a, b, c, d) \ |
| {.ip6 = { \ |
| __constant_htonl(a), __constant_htonl(b), \ |
| __constant_htonl(c), __constant_htonl(d), \ |
| } } |
| |
| /* |
| * This table works for both IPv4 and IPv6; |
| * just use prefixlen_netmask_map[prefixlength].ip. |
| */ |
| static const union nf_inet_addr prefixlen_netmask_map[] = { |
| E(0x00000000, 0x00000000, 0x00000000, 0x00000000), |
| E(0x80000000, 0x00000000, 0x00000000, 0x00000000), |
| E(0xC0000000, 0x00000000, 0x00000000, 0x00000000), |
| E(0xE0000000, 0x00000000, 0x00000000, 0x00000000), |
| E(0xF0000000, 0x00000000, 0x00000000, 0x00000000), |
| E(0xF8000000, 0x00000000, 0x00000000, 0x00000000), |
| E(0xFC000000, 0x00000000, 0x00000000, 0x00000000), |
| E(0xFE000000, 0x00000000, 0x00000000, 0x00000000), |
| E(0xFF000000, 0x00000000, 0x00000000, 0x00000000), |
| E(0xFF800000, 0x00000000, 0x00000000, 0x00000000), |
| E(0xFFC00000, 0x00000000, 0x00000000, 0x00000000), |
| E(0xFFE00000, 0x00000000, 0x00000000, 0x00000000), |
| E(0xFFF00000, 0x00000000, 0x00000000, 0x00000000), |
| E(0xFFF80000, 0x00000000, 0x00000000, 0x00000000), |
| E(0xFFFC0000, 0x00000000, 0x00000000, 0x00000000), |
| E(0xFFFE0000, 0x00000000, 0x00000000, 0x00000000), |
| E(0xFFFF0000, 0x00000000, 0x00000000, 0x00000000), |
| E(0xFFFF8000, 0x00000000, 0x00000000, 0x00000000), |
| E(0xFFFFC000, 0x00000000, 0x00000000, 0x00000000), |
| E(0xFFFFE000, 0x00000000, 0x00000000, 0x00000000), |
| E(0xFFFFF000, 0x00000000, 0x00000000, 0x00000000), |
| E(0xFFFFF800, 0x00000000, 0x00000000, 0x00000000), |
| E(0xFFFFFC00, 0x00000000, 0x00000000, 0x00000000), |
| E(0xFFFFFE00, 0x00000000, 0x00000000, 0x00000000), |
| E(0xFFFFFF00, 0x00000000, 0x00000000, 0x00000000), |
| E(0xFFFFFF80, 0x00000000, 0x00000000, 0x00000000), |
| E(0xFFFFFFC0, 0x00000000, 0x00000000, 0x00000000), |
| E(0xFFFFFFE0, 0x00000000, 0x00000000, 0x00000000), |
| E(0xFFFFFFF0, 0x00000000, 0x00000000, 0x00000000), |
| E(0xFFFFFFF8, 0x00000000, 0x00000000, 0x00000000), |
| E(0xFFFFFFFC, 0x00000000, 0x00000000, 0x00000000), |
| E(0xFFFFFFFE, 0x00000000, 0x00000000, 0x00000000), |
| E(0xFFFFFFFF, 0x00000000, 0x00000000, 0x00000000), |
| E(0xFFFFFFFF, 0x80000000, 0x00000000, 0x00000000), |
| E(0xFFFFFFFF, 0xC0000000, 0x00000000, 0x00000000), |
| E(0xFFFFFFFF, 0xE0000000, 0x00000000, 0x00000000), |
| E(0xFFFFFFFF, 0xF0000000, 0x00000000, 0x00000000), |
| E(0xFFFFFFFF, 0xF8000000, 0x00000000, 0x00000000), |
| E(0xFFFFFFFF, 0xFC000000, 0x00000000, 0x00000000), |
| E(0xFFFFFFFF, 0xFE000000, 0x00000000, 0x00000000), |
| E(0xFFFFFFFF, 0xFF000000, 0x00000000, 0x00000000), |
| E(0xFFFFFFFF, 0xFF800000, 0x00000000, 0x00000000), |
| E(0xFFFFFFFF, 0xFFC00000, 0x00000000, 0x00000000), |
| E(0xFFFFFFFF, 0xFFE00000, 0x00000000, 0x00000000), |
| E(0xFFFFFFFF, 0xFFF00000, 0x00000000, 0x00000000), |
| E(0xFFFFFFFF, 0xFFF80000, 0x00000000, 0x00000000), |
| E(0xFFFFFFFF, 0xFFFC0000, 0x00000000, 0x00000000), |
| E(0xFFFFFFFF, 0xFFFE0000, 0x00000000, 0x00000000), |
| E(0xFFFFFFFF, 0xFFFF0000, 0x00000000, 0x00000000), |
| E(0xFFFFFFFF, 0xFFFF8000, 0x00000000, 0x00000000), |
| E(0xFFFFFFFF, 0xFFFFC000, 0x00000000, 0x00000000), |
| E(0xFFFFFFFF, 0xFFFFE000, 0x00000000, 0x00000000), |
| E(0xFFFFFFFF, 0xFFFFF000, 0x00000000, 0x00000000), |
| E(0xFFFFFFFF, 0xFFFFF800, 0x00000000, 0x00000000), |
| E(0xFFFFFFFF, 0xFFFFFC00, 0x00000000, 0x00000000), |
| E(0xFFFFFFFF, 0xFFFFFE00, 0x00000000, 0x00000000), |
| E(0xFFFFFFFF, 0xFFFFFF00, 0x00000000, 0x00000000), |
| E(0xFFFFFFFF, 0xFFFFFF80, 0x00000000, 0x00000000), |
| E(0xFFFFFFFF, 0xFFFFFFC0, 0x00000000, 0x00000000), |
| E(0xFFFFFFFF, 0xFFFFFFE0, 0x00000000, 0x00000000), |
| E(0xFFFFFFFF, 0xFFFFFFF0, 0x00000000, 0x00000000), |
| E(0xFFFFFFFF, 0xFFFFFFF8, 0x00000000, 0x00000000), |
| E(0xFFFFFFFF, 0xFFFFFFFC, 0x00000000, 0x00000000), |
| E(0xFFFFFFFF, 0xFFFFFFFE, 0x00000000, 0x00000000), |
| E(0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000), |
| E(0xFFFFFFFF, 0xFFFFFFFF, 0x80000000, 0x00000000), |
| E(0xFFFFFFFF, 0xFFFFFFFF, 0xC0000000, 0x00000000), |
| E(0xFFFFFFFF, 0xFFFFFFFF, 0xE0000000, 0x00000000), |
| E(0xFFFFFFFF, 0xFFFFFFFF, 0xF0000000, 0x00000000), |
| E(0xFFFFFFFF, 0xFFFFFFFF, 0xF8000000, 0x00000000), |
| E(0xFFFFFFFF, 0xFFFFFFFF, 0xFC000000, 0x00000000), |
| E(0xFFFFFFFF, 0xFFFFFFFF, 0xFE000000, 0x00000000), |
| E(0xFFFFFFFF, 0xFFFFFFFF, 0xFF000000, 0x00000000), |
| E(0xFFFFFFFF, 0xFFFFFFFF, 0xFF800000, 0x00000000), |
| E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFC00000, 0x00000000), |
| E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFE00000, 0x00000000), |
| E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFF00000, 0x00000000), |
| E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFF80000, 0x00000000), |
| E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFC0000, 0x00000000), |
| E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFE0000, 0x00000000), |
| E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFF0000, 0x00000000), |
| E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFF8000, 0x00000000), |
| E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFC000, 0x00000000), |
| E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFE000, 0x00000000), |
| E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFF000, 0x00000000), |
| E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFF800, 0x00000000), |
| E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFC00, 0x00000000), |
| E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFE00, 0x00000000), |
| E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFF00, 0x00000000), |
| E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFF80, 0x00000000), |
| E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFC0, 0x00000000), |
| E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFE0, 0x00000000), |
| E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFF0, 0x00000000), |
| E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFF8, 0x00000000), |
| E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFC, 0x00000000), |
| E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFE, 0x00000000), |
| E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000), |
| E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0x80000000), |
| E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xC0000000), |
| E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xE0000000), |
| E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xF0000000), |
| E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xF8000000), |
| E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFC000000), |
| E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFE000000), |
| E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFF000000), |
| E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFF800000), |
| E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFC00000), |
| E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFE00000), |
| E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFF00000), |
| E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFF80000), |
| E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFC0000), |
| E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFE0000), |
| E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFF0000), |
| E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFF8000), |
| E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFC000), |
| E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFE000), |
| E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFF000), |
| E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFF800), |
| E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFC00), |
| E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFE00), |
| E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFF00), |
| E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFF80), |
| E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFC0), |
| E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFE0), |
| E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFF0), |
| E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFF8), |
| E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFC), |
| E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFE), |
| E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF), |
| }; |
| #endif /* !HAVE_PFXLEN_H */ |
| |
| #define PFXLEN(n) prefixlen_netmask_map[n].ip |
| #define PFXLEN6(n) prefixlen_netmask_map[n].ip6 |
| |
| #endif |
