/usr/src/xtables-addons-1.40/ipset-6/pfxlen.c is in xtables-addons-dkms 1.40-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 | #include "pfxlen.h"
/*
* Prefixlen maps for fast conversions, by Jan Engelhardt.
*/
#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.
*/
const union nf_inet_addr ip_set_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),
};
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[] = {
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),
};
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);
|