1 #include <linux/export.h>
2 #include <linux/netfilter/ipset/pfxlen.h>
3
4 /* Prefixlen maps for fast conversions, by Jan Engelhardt. */
5
6 #define E(a, b, c, d) \
7 {.ip6 = { \
8 htonl(a), htonl(b), \
9 htonl(c), htonl(d), \
10 } }
11
12 /* This table works for both IPv4 and IPv6;
13 * just use prefixlen_netmask_map[prefixlength].ip.
14 */
15 const union nf_inet_addr ip_set_netmask_map[] = {
16 E(0x00000000, 0x00000000, 0x00000000, 0x00000000),
17 E(0x80000000, 0x00000000, 0x00000000, 0x00000000),
18 E(0xC0000000, 0x00000000, 0x00000000, 0x00000000),
19 E(0xE0000000, 0x00000000, 0x00000000, 0x00000000),
20 E(0xF0000000, 0x00000000, 0x00000000, 0x00000000),
21 E(0xF8000000, 0x00000000, 0x00000000, 0x00000000),
22 E(0xFC000000, 0x00000000, 0x00000000, 0x00000000),
23 E(0xFE000000, 0x00000000, 0x00000000, 0x00000000),
24 E(0xFF000000, 0x00000000, 0x00000000, 0x00000000),
25 E(0xFF800000, 0x00000000, 0x00000000, 0x00000000),
26 E(0xFFC00000, 0x00000000, 0x00000000, 0x00000000),
27 E(0xFFE00000, 0x00000000, 0x00000000, 0x00000000),
28 E(0xFFF00000, 0x00000000, 0x00000000, 0x00000000),
29 E(0xFFF80000, 0x00000000, 0x00000000, 0x00000000),
30 E(0xFFFC0000, 0x00000000, 0x00000000, 0x00000000),
31 E(0xFFFE0000, 0x00000000, 0x00000000, 0x00000000),
32 E(0xFFFF0000, 0x00000000, 0x00000000, 0x00000000),
33 E(0xFFFF8000, 0x00000000, 0x00000000, 0x00000000),
34 E(0xFFFFC000, 0x00000000, 0x00000000, 0x00000000),
35 E(0xFFFFE000, 0x00000000, 0x00000000, 0x00000000),
36 E(0xFFFFF000, 0x00000000, 0x00000000, 0x00000000),
37 E(0xFFFFF800, 0x00000000, 0x00000000, 0x00000000),
38 E(0xFFFFFC00, 0x00000000, 0x00000000, 0x00000000),
39 E(0xFFFFFE00, 0x00000000, 0x00000000, 0x00000000),
40 E(0xFFFFFF00, 0x00000000, 0x00000000, 0x00000000),
41 E(0xFFFFFF80, 0x00000000, 0x00000000, 0x00000000),
42 E(0xFFFFFFC0, 0x00000000, 0x00000000, 0x00000000),
43 E(0xFFFFFFE0, 0x00000000, 0x00000000, 0x00000000),
44 E(0xFFFFFFF0, 0x00000000, 0x00000000, 0x00000000),
45 E(0xFFFFFFF8, 0x00000000, 0x00000000, 0x00000000),
46 E(0xFFFFFFFC, 0x00000000, 0x00000000, 0x00000000),
47 E(0xFFFFFFFE, 0x00000000, 0x00000000, 0x00000000),
48 E(0xFFFFFFFF, 0x00000000, 0x00000000, 0x00000000),
49 E(0xFFFFFFFF, 0x80000000, 0x00000000, 0x00000000),
50 E(0xFFFFFFFF, 0xC0000000, 0x00000000, 0x00000000),
51 E(0xFFFFFFFF, 0xE0000000, 0x00000000, 0x00000000),
52 E(0xFFFFFFFF, 0xF0000000, 0x00000000, 0x00000000),
53 E(0xFFFFFFFF, 0xF8000000, 0x00000000, 0x00000000),
54 E(0xFFFFFFFF, 0xFC000000, 0x00000000, 0x00000000),
55 E(0xFFFFFFFF, 0xFE000000, 0x00000000, 0x00000000),
56 E(0xFFFFFFFF, 0xFF000000, 0x00000000, 0x00000000),
57 E(0xFFFFFFFF, 0xFF800000, 0x00000000, 0x00000000),
58 E(0xFFFFFFFF, 0xFFC00000, 0x00000000, 0x00000000),
59 E(0xFFFFFFFF, 0xFFE00000, 0x00000000, 0x00000000),
60 E(0xFFFFFFFF, 0xFFF00000, 0x00000000, 0x00000000),
61 E(0xFFFFFFFF, 0xFFF80000, 0x00000000, 0x00000000),
62 E(0xFFFFFFFF, 0xFFFC0000, 0x00000000, 0x00000000),
63 E(0xFFFFFFFF, 0xFFFE0000, 0x00000000, 0x00000000),
64 E(0xFFFFFFFF, 0xFFFF0000, 0x00000000, 0x00000000),
65 E(0xFFFFFFFF, 0xFFFF8000, 0x00000000, 0x00000000),
66 E(0xFFFFFFFF, 0xFFFFC000, 0x00000000, 0x00000000),
67 E(0xFFFFFFFF, 0xFFFFE000, 0x00000000, 0x00000000),
68 E(0xFFFFFFFF, 0xFFFFF000, 0x00000000, 0x00000000),
69 E(0xFFFFFFFF, 0xFFFFF800, 0x00000000, 0x00000000),
70 E(0xFFFFFFFF, 0xFFFFFC00, 0x00000000, 0x00000000),
71 E(0xFFFFFFFF, 0xFFFFFE00, 0x00000000, 0x00000000),
72 E(0xFFFFFFFF, 0xFFFFFF00, 0x00000000, 0x00000000),
73 E(0xFFFFFFFF, 0xFFFFFF80, 0x00000000, 0x00000000),
74 E(0xFFFFFFFF, 0xFFFFFFC0, 0x00000000, 0x00000000),
75 E(0xFFFFFFFF, 0xFFFFFFE0, 0x00000000, 0x00000000),
76 E(0xFFFFFFFF, 0xFFFFFFF0, 0x00000000, 0x00000000),
77 E(0xFFFFFFFF, 0xFFFFFFF8, 0x00000000, 0x00000000),
78 E(0xFFFFFFFF, 0xFFFFFFFC, 0x00000000, 0x00000000),
79 E(0xFFFFFFFF, 0xFFFFFFFE, 0x00000000, 0x00000000),
80 E(0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000),
81 E(0xFFFFFFFF, 0xFFFFFFFF, 0x80000000, 0x00000000),
82 E(0xFFFFFFFF, 0xFFFFFFFF, 0xC0000000, 0x00000000),
83 E(0xFFFFFFFF, 0xFFFFFFFF, 0xE0000000, 0x00000000),
84 E(0xFFFFFFFF, 0xFFFFFFFF, 0xF0000000, 0x00000000),
85 E(0xFFFFFFFF, 0xFFFFFFFF, 0xF8000000, 0x00000000),
86 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFC000000, 0x00000000),
87 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFE000000, 0x00000000),
88 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFF000000, 0x00000000),
89 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFF800000, 0x00000000),
90 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFC00000, 0x00000000),
91 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFE00000, 0x00000000),
92 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFF00000, 0x00000000),
93 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFF80000, 0x00000000),
94 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFC0000, 0x00000000),
95 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFE0000, 0x00000000),
96 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFF0000, 0x00000000),
97 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFF8000, 0x00000000),
98 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFC000, 0x00000000),
99 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFE000, 0x00000000),
100 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFF000, 0x00000000),
101 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFF800, 0x00000000),
102 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFC00, 0x00000000),
103 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFE00, 0x00000000),
104 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFF00, 0x00000000),
105 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFF80, 0x00000000),
106 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFC0, 0x00000000),
107 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFE0, 0x00000000),
108 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFF0, 0x00000000),
109 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFF8, 0x00000000),
110 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFC, 0x00000000),
111 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFE, 0x00000000),
112 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000),
113 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0x80000000),
114 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xC0000000),
115 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xE0000000),
116 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xF0000000),
117 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xF8000000),
118 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFC000000),
119 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFE000000),
120 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFF000000),
121 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFF800000),
122 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFC00000),
123 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFE00000),
124 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFF00000),
125 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFF80000),
126 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFC0000),
127 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFE0000),
128 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFF0000),
129 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFF8000),
130 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFC000),
131 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFE000),
132 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFF000),
133 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFF800),
134 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFC00),
135 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFE00),
136 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFF00),
137 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFF80),
138 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFC0),
139 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFE0),
140 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFF0),
141 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFF8),
142 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFC),
143 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFE),
144 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF),
145 };
146 EXPORT_SYMBOL_GPL(ip_set_netmask_map);
147
148 #undef E
149 #define E(a, b, c, d) \
150 {.ip6 = { (__force __be32)a, (__force __be32)b, \
151 (__force __be32)c, (__force __be32)d, \
152 } }
153
154 /* This table works for both IPv4 and IPv6;
155 * just use prefixlen_hostmask_map[prefixlength].ip.
156 */
157 const union nf_inet_addr ip_set_hostmask_map[] = {
158 E(0x00000000, 0x00000000, 0x00000000, 0x00000000),
159 E(0x80000000, 0x00000000, 0x00000000, 0x00000000),
160 E(0xC0000000, 0x00000000, 0x00000000, 0x00000000),
161 E(0xE0000000, 0x00000000, 0x00000000, 0x00000000),
162 E(0xF0000000, 0x00000000, 0x00000000, 0x00000000),
163 E(0xF8000000, 0x00000000, 0x00000000, 0x00000000),
164 E(0xFC000000, 0x00000000, 0x00000000, 0x00000000),
165 E(0xFE000000, 0x00000000, 0x00000000, 0x00000000),
166 E(0xFF000000, 0x00000000, 0x00000000, 0x00000000),
167 E(0xFF800000, 0x00000000, 0x00000000, 0x00000000),
168 E(0xFFC00000, 0x00000000, 0x00000000, 0x00000000),
169 E(0xFFE00000, 0x00000000, 0x00000000, 0x00000000),
170 E(0xFFF00000, 0x00000000, 0x00000000, 0x00000000),
171 E(0xFFF80000, 0x00000000, 0x00000000, 0x00000000),
172 E(0xFFFC0000, 0x00000000, 0x00000000, 0x00000000),
173 E(0xFFFE0000, 0x00000000, 0x00000000, 0x00000000),
174 E(0xFFFF0000, 0x00000000, 0x00000000, 0x00000000),
175 E(0xFFFF8000, 0x00000000, 0x00000000, 0x00000000),
176 E(0xFFFFC000, 0x00000000, 0x00000000, 0x00000000),
177 E(0xFFFFE000, 0x00000000, 0x00000000, 0x00000000),
178 E(0xFFFFF000, 0x00000000, 0x00000000, 0x00000000),
179 E(0xFFFFF800, 0x00000000, 0x00000000, 0x00000000),
180 E(0xFFFFFC00, 0x00000000, 0x00000000, 0x00000000),
181 E(0xFFFFFE00, 0x00000000, 0x00000000, 0x00000000),
182 E(0xFFFFFF00, 0x00000000, 0x00000000, 0x00000000),
183 E(0xFFFFFF80, 0x00000000, 0x00000000, 0x00000000),
184 E(0xFFFFFFC0, 0x00000000, 0x00000000, 0x00000000),
185 E(0xFFFFFFE0, 0x00000000, 0x00000000, 0x00000000),
186 E(0xFFFFFFF0, 0x00000000, 0x00000000, 0x00000000),
187 E(0xFFFFFFF8, 0x00000000, 0x00000000, 0x00000000),
188 E(0xFFFFFFFC, 0x00000000, 0x00000000, 0x00000000),
189 E(0xFFFFFFFE, 0x00000000, 0x00000000, 0x00000000),
190 E(0xFFFFFFFF, 0x00000000, 0x00000000, 0x00000000),
191 E(0xFFFFFFFF, 0x80000000, 0x00000000, 0x00000000),
192 E(0xFFFFFFFF, 0xC0000000, 0x00000000, 0x00000000),
193 E(0xFFFFFFFF, 0xE0000000, 0x00000000, 0x00000000),
194 E(0xFFFFFFFF, 0xF0000000, 0x00000000, 0x00000000),
195 E(0xFFFFFFFF, 0xF8000000, 0x00000000, 0x00000000),
196 E(0xFFFFFFFF, 0xFC000000, 0x00000000, 0x00000000),
197 E(0xFFFFFFFF, 0xFE000000, 0x00000000, 0x00000000),
198 E(0xFFFFFFFF, 0xFF000000, 0x00000000, 0x00000000),
199 E(0xFFFFFFFF, 0xFF800000, 0x00000000, 0x00000000),
200 E(0xFFFFFFFF, 0xFFC00000, 0x00000000, 0x00000000),
201 E(0xFFFFFFFF, 0xFFE00000, 0x00000000, 0x00000000),
202 E(0xFFFFFFFF, 0xFFF00000, 0x00000000, 0x00000000),
203 E(0xFFFFFFFF, 0xFFF80000, 0x00000000, 0x00000000),
204 E(0xFFFFFFFF, 0xFFFC0000, 0x00000000, 0x00000000),
205 E(0xFFFFFFFF, 0xFFFE0000, 0x00000000, 0x00000000),
206 E(0xFFFFFFFF, 0xFFFF0000, 0x00000000, 0x00000000),
207 E(0xFFFFFFFF, 0xFFFF8000, 0x00000000, 0x00000000),
208 E(0xFFFFFFFF, 0xFFFFC000, 0x00000000, 0x00000000),
209 E(0xFFFFFFFF, 0xFFFFE000, 0x00000000, 0x00000000),
210 E(0xFFFFFFFF, 0xFFFFF000, 0x00000000, 0x00000000),
211 E(0xFFFFFFFF, 0xFFFFF800, 0x00000000, 0x00000000),
212 E(0xFFFFFFFF, 0xFFFFFC00, 0x00000000, 0x00000000),
213 E(0xFFFFFFFF, 0xFFFFFE00, 0x00000000, 0x00000000),
214 E(0xFFFFFFFF, 0xFFFFFF00, 0x00000000, 0x00000000),
215 E(0xFFFFFFFF, 0xFFFFFF80, 0x00000000, 0x00000000),
216 E(0xFFFFFFFF, 0xFFFFFFC0, 0x00000000, 0x00000000),
217 E(0xFFFFFFFF, 0xFFFFFFE0, 0x00000000, 0x00000000),
218 E(0xFFFFFFFF, 0xFFFFFFF0, 0x00000000, 0x00000000),
219 E(0xFFFFFFFF, 0xFFFFFFF8, 0x00000000, 0x00000000),
220 E(0xFFFFFFFF, 0xFFFFFFFC, 0x00000000, 0x00000000),
221 E(0xFFFFFFFF, 0xFFFFFFFE, 0x00000000, 0x00000000),
222 E(0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000),
223 E(0xFFFFFFFF, 0xFFFFFFFF, 0x80000000, 0x00000000),
224 E(0xFFFFFFFF, 0xFFFFFFFF, 0xC0000000, 0x00000000),
225 E(0xFFFFFFFF, 0xFFFFFFFF, 0xE0000000, 0x00000000),
226 E(0xFFFFFFFF, 0xFFFFFFFF, 0xF0000000, 0x00000000),
227 E(0xFFFFFFFF, 0xFFFFFFFF, 0xF8000000, 0x00000000),
228 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFC000000, 0x00000000),
229 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFE000000, 0x00000000),
230 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFF000000, 0x00000000),
231 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFF800000, 0x00000000),
232 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFC00000, 0x00000000),
233 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFE00000, 0x00000000),
234 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFF00000, 0x00000000),
235 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFF80000, 0x00000000),
236 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFC0000, 0x00000000),
237 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFE0000, 0x00000000),
238 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFF0000, 0x00000000),
239 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFF8000, 0x00000000),
240 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFC000, 0x00000000),
241 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFE000, 0x00000000),
242 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFF000, 0x00000000),
243 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFF800, 0x00000000),
244 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFC00, 0x00000000),
245 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFE00, 0x00000000),
246 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFF00, 0x00000000),
247 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFF80, 0x00000000),
248 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFC0, 0x00000000),
249 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFE0, 0x00000000),
250 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFF0, 0x00000000),
251 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFF8, 0x00000000),
252 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFC, 0x00000000),
253 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFE, 0x00000000),
254 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000),
255 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0x80000000),
256 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xC0000000),
257 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xE0000000),
258 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xF0000000),
259 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xF8000000),
260 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFC000000),
261 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFE000000),
262 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFF000000),
263 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFF800000),
264 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFC00000),
265 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFE00000),
266 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFF00000),
267 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFF80000),
268 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFC0000),
269 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFE0000),
270 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFF0000),
271 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFF8000),
272 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFC000),
273 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFE000),
274 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFF000),
275 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFF800),
276 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFC00),
277 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFE00),
278 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFF00),
279 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFF80),
280 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFC0),
281 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFE0),
282 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFF0),
283 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFF8),
284 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFC),
285 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFE),
286 E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF),
287 };
288 EXPORT_SYMBOL_GPL(ip_set_hostmask_map);
289
290 /* Find the largest network which matches the range from left, in host order. */
291 u32
ip_set_range_to_cidr(u32 from,u32 to,u8 * cidr)292 ip_set_range_to_cidr(u32 from, u32 to, u8 *cidr)
293 {
294 u32 last;
295 u8 i;
296
297 for (i = 1; i < 32; i++) {
298 if ((from & ip_set_hostmask(i)) != from)
299 continue;
300 last = from | ~ip_set_hostmask(i);
301 if (!after(last, to)) {
302 *cidr = i;
303 return last;
304 }
305 }
306 *cidr = 32;
307 return from;
308 }
309 EXPORT_SYMBOL_GPL(ip_set_range_to_cidr);
310