mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-26 10:49:33 +00:00
![Thomas Gleixner](/assets/img/avatar_default.png)
Add SPDX license identifiers to all files which: - Have no license information of any form - Have EXPORT_.*_SYMBOL_GPL inside which was used in the initial scan/conversion to ignore the file These files fall under the project license, GPL v2 only. The resulting SPDX license identifier is: GPL-2.0-only Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
189 lines
8.1 KiB
C
189 lines
8.1 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
|
|
#include <linux/export.h>
|
|
#include <linux/netfilter/ipset/pfxlen.h>
|
|
|
|
/* Prefixlen maps for fast conversions, by Jan Engelhardt. */
|
|
|
|
#ifdef E
|
|
#undef E
|
|
#endif
|
|
|
|
#define PREFIXES_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),
|
|
|
|
#define E(a, b, c, d) \
|
|
{.ip6 = { \
|
|
htonl(a), htonl(b), \
|
|
htonl(c), htonl(d), \
|
|
} }
|
|
|
|
/* This table works for both IPv4 and IPv6;
|
|
* just use prefixlen_netmask_map[prefixlength].ip.
|
|
*/
|
|
const union nf_inet_addr ip_set_netmask_map[] = {
|
|
PREFIXES_MAP
|
|
};
|
|
EXPORT_SYMBOL_GPL(ip_set_netmask_map);
|
|
|
|
#undef E
|
|
#define E(a, b, c, d) \
|
|
{.ip6 = { (__force __be32)a, (__force __be32)b, \
|
|
(__force __be32)c, (__force __be32)d, \
|
|
} }
|
|
|
|
/* This table works for both IPv4 and IPv6;
|
|
* just use prefixlen_hostmask_map[prefixlength].ip.
|
|
*/
|
|
const union nf_inet_addr ip_set_hostmask_map[] = {
|
|
PREFIXES_MAP
|
|
};
|
|
EXPORT_SYMBOL_GPL(ip_set_hostmask_map);
|
|
|
|
/* Find the largest network which matches the range from left, in host order. */
|
|
u32
|
|
ip_set_range_to_cidr(u32 from, u32 to, u8 *cidr)
|
|
{
|
|
u32 last;
|
|
u8 i;
|
|
|
|
for (i = 1; i < 32; i++) {
|
|
if ((from & ip_set_hostmask(i)) != from)
|
|
continue;
|
|
last = from | ~ip_set_hostmask(i);
|
|
if (!after(last, to)) {
|
|
*cidr = i;
|
|
return last;
|
|
}
|
|
}
|
|
*cidr = 32;
|
|
return from;
|
|
}
|
|
EXPORT_SYMBOL_GPL(ip_set_range_to_cidr);
|