1#include <linux/export.h>
2#include <linux/netfilter/ipset/pfxlen.h>
3
4/*
5 * Prefixlen maps for fast conversions, by Jan Engelhardt.
6 */
7
8#define E(a, b, c, d) \
9	{.ip6 = { \
10		htonl(a), htonl(b), \
11		htonl(c), htonl(d), \
12	} }
13
14/*
15 * This table works for both IPv4 and IPv6;
16 * just use prefixlen_netmask_map[prefixlength].ip.
17 */
18const union nf_inet_addr ip_set_netmask_map[] = {
19	E(0x00000000, 0x00000000, 0x00000000, 0x00000000),
20	E(0x80000000, 0x00000000, 0x00000000, 0x00000000),
21	E(0xC0000000, 0x00000000, 0x00000000, 0x00000000),
22	E(0xE0000000, 0x00000000, 0x00000000, 0x00000000),
23	E(0xF0000000, 0x00000000, 0x00000000, 0x00000000),
24	E(0xF8000000, 0x00000000, 0x00000000, 0x00000000),
25	E(0xFC000000, 0x00000000, 0x00000000, 0x00000000),
26	E(0xFE000000, 0x00000000, 0x00000000, 0x00000000),
27	E(0xFF000000, 0x00000000, 0x00000000, 0x00000000),
28	E(0xFF800000, 0x00000000, 0x00000000, 0x00000000),
29	E(0xFFC00000, 0x00000000, 0x00000000, 0x00000000),
30	E(0xFFE00000, 0x00000000, 0x00000000, 0x00000000),
31	E(0xFFF00000, 0x00000000, 0x00000000, 0x00000000),
32	E(0xFFF80000, 0x00000000, 0x00000000, 0x00000000),
33	E(0xFFFC0000, 0x00000000, 0x00000000, 0x00000000),
34	E(0xFFFE0000, 0x00000000, 0x00000000, 0x00000000),
35	E(0xFFFF0000, 0x00000000, 0x00000000, 0x00000000),
36	E(0xFFFF8000, 0x00000000, 0x00000000, 0x00000000),
37	E(0xFFFFC000, 0x00000000, 0x00000000, 0x00000000),
38	E(0xFFFFE000, 0x00000000, 0x00000000, 0x00000000),
39	E(0xFFFFF000, 0x00000000, 0x00000000, 0x00000000),
40	E(0xFFFFF800, 0x00000000, 0x00000000, 0x00000000),
41	E(0xFFFFFC00, 0x00000000, 0x00000000, 0x00000000),
42	E(0xFFFFFE00, 0x00000000, 0x00000000, 0x00000000),
43	E(0xFFFFFF00, 0x00000000, 0x00000000, 0x00000000),
44	E(0xFFFFFF80, 0x00000000, 0x00000000, 0x00000000),
45	E(0xFFFFFFC0, 0x00000000, 0x00000000, 0x00000000),
46	E(0xFFFFFFE0, 0x00000000, 0x00000000, 0x00000000),
47	E(0xFFFFFFF0, 0x00000000, 0x00000000, 0x00000000),
48	E(0xFFFFFFF8, 0x00000000, 0x00000000, 0x00000000),
49	E(0xFFFFFFFC, 0x00000000, 0x00000000, 0x00000000),
50	E(0xFFFFFFFE, 0x00000000, 0x00000000, 0x00000000),
51	E(0xFFFFFFFF, 0x00000000, 0x00000000, 0x00000000),
52	E(0xFFFFFFFF, 0x80000000, 0x00000000, 0x00000000),
53	E(0xFFFFFFFF, 0xC0000000, 0x00000000, 0x00000000),
54	E(0xFFFFFFFF, 0xE0000000, 0x00000000, 0x00000000),
55	E(0xFFFFFFFF, 0xF0000000, 0x00000000, 0x00000000),
56	E(0xFFFFFFFF, 0xF8000000, 0x00000000, 0x00000000),
57	E(0xFFFFFFFF, 0xFC000000, 0x00000000, 0x00000000),
58	E(0xFFFFFFFF, 0xFE000000, 0x00000000, 0x00000000),
59	E(0xFFFFFFFF, 0xFF000000, 0x00000000, 0x00000000),
60	E(0xFFFFFFFF, 0xFF800000, 0x00000000, 0x00000000),
61	E(0xFFFFFFFF, 0xFFC00000, 0x00000000, 0x00000000),
62	E(0xFFFFFFFF, 0xFFE00000, 0x00000000, 0x00000000),
63	E(0xFFFFFFFF, 0xFFF00000, 0x00000000, 0x00000000),
64	E(0xFFFFFFFF, 0xFFF80000, 0x00000000, 0x00000000),
65	E(0xFFFFFFFF, 0xFFFC0000, 0x00000000, 0x00000000),
66	E(0xFFFFFFFF, 0xFFFE0000, 0x00000000, 0x00000000),
67	E(0xFFFFFFFF, 0xFFFF0000, 0x00000000, 0x00000000),
68	E(0xFFFFFFFF, 0xFFFF8000, 0x00000000, 0x00000000),
69	E(0xFFFFFFFF, 0xFFFFC000, 0x00000000, 0x00000000),
70	E(0xFFFFFFFF, 0xFFFFE000, 0x00000000, 0x00000000),
71	E(0xFFFFFFFF, 0xFFFFF000, 0x00000000, 0x00000000),
72	E(0xFFFFFFFF, 0xFFFFF800, 0x00000000, 0x00000000),
73	E(0xFFFFFFFF, 0xFFFFFC00, 0x00000000, 0x00000000),
74	E(0xFFFFFFFF, 0xFFFFFE00, 0x00000000, 0x00000000),
75	E(0xFFFFFFFF, 0xFFFFFF00, 0x00000000, 0x00000000),
76	E(0xFFFFFFFF, 0xFFFFFF80, 0x00000000, 0x00000000),
77	E(0xFFFFFFFF, 0xFFFFFFC0, 0x00000000, 0x00000000),
78	E(0xFFFFFFFF, 0xFFFFFFE0, 0x00000000, 0x00000000),
79	E(0xFFFFFFFF, 0xFFFFFFF0, 0x00000000, 0x00000000),
80	E(0xFFFFFFFF, 0xFFFFFFF8, 0x00000000, 0x00000000),
81	E(0xFFFFFFFF, 0xFFFFFFFC, 0x00000000, 0x00000000),
82	E(0xFFFFFFFF, 0xFFFFFFFE, 0x00000000, 0x00000000),
83	E(0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000),
84	E(0xFFFFFFFF, 0xFFFFFFFF, 0x80000000, 0x00000000),
85	E(0xFFFFFFFF, 0xFFFFFFFF, 0xC0000000, 0x00000000),
86	E(0xFFFFFFFF, 0xFFFFFFFF, 0xE0000000, 0x00000000),
87	E(0xFFFFFFFF, 0xFFFFFFFF, 0xF0000000, 0x00000000),
88	E(0xFFFFFFFF, 0xFFFFFFFF, 0xF8000000, 0x00000000),
89	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFC000000, 0x00000000),
90	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFE000000, 0x00000000),
91	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFF000000, 0x00000000),
92	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFF800000, 0x00000000),
93	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFC00000, 0x00000000),
94	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFE00000, 0x00000000),
95	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFF00000, 0x00000000),
96	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFF80000, 0x00000000),
97	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFC0000, 0x00000000),
98	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFE0000, 0x00000000),
99	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFF0000, 0x00000000),
100	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFF8000, 0x00000000),
101	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFC000, 0x00000000),
102	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFE000, 0x00000000),
103	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFF000, 0x00000000),
104	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFF800, 0x00000000),
105	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFC00, 0x00000000),
106	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFE00, 0x00000000),
107	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFF00, 0x00000000),
108	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFF80, 0x00000000),
109	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFC0, 0x00000000),
110	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFE0, 0x00000000),
111	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFF0, 0x00000000),
112	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFF8, 0x00000000),
113	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFC, 0x00000000),
114	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFE, 0x00000000),
115	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000),
116	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0x80000000),
117	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xC0000000),
118	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xE0000000),
119	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xF0000000),
120	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xF8000000),
121	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFC000000),
122	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFE000000),
123	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFF000000),
124	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFF800000),
125	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFC00000),
126	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFE00000),
127	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFF00000),
128	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFF80000),
129	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFC0000),
130	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFE0000),
131	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFF0000),
132	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFF8000),
133	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFC000),
134	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFE000),
135	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFF000),
136	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFF800),
137	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFC00),
138	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFE00),
139	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFF00),
140	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFF80),
141	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFC0),
142	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFE0),
143	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFF0),
144	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFF8),
145	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFC),
146	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFE),
147	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF),
148};
149EXPORT_SYMBOL_GPL(ip_set_netmask_map);
150
151#undef  E
152#define E(a, b, c, d)						\
153	{.ip6 = { (__force __be32) a, (__force __be32) b,	\
154		  (__force __be32) c, (__force __be32) d,	\
155	} }
156
157/*
158 * This table works for both IPv4 and IPv6;
159 * just use prefixlen_hostmask_map[prefixlength].ip.
160 */
161const union nf_inet_addr ip_set_hostmask_map[] = {
162	E(0x00000000, 0x00000000, 0x00000000, 0x00000000),
163	E(0x80000000, 0x00000000, 0x00000000, 0x00000000),
164	E(0xC0000000, 0x00000000, 0x00000000, 0x00000000),
165	E(0xE0000000, 0x00000000, 0x00000000, 0x00000000),
166	E(0xF0000000, 0x00000000, 0x00000000, 0x00000000),
167	E(0xF8000000, 0x00000000, 0x00000000, 0x00000000),
168	E(0xFC000000, 0x00000000, 0x00000000, 0x00000000),
169	E(0xFE000000, 0x00000000, 0x00000000, 0x00000000),
170	E(0xFF000000, 0x00000000, 0x00000000, 0x00000000),
171	E(0xFF800000, 0x00000000, 0x00000000, 0x00000000),
172	E(0xFFC00000, 0x00000000, 0x00000000, 0x00000000),
173	E(0xFFE00000, 0x00000000, 0x00000000, 0x00000000),
174	E(0xFFF00000, 0x00000000, 0x00000000, 0x00000000),
175	E(0xFFF80000, 0x00000000, 0x00000000, 0x00000000),
176	E(0xFFFC0000, 0x00000000, 0x00000000, 0x00000000),
177	E(0xFFFE0000, 0x00000000, 0x00000000, 0x00000000),
178	E(0xFFFF0000, 0x00000000, 0x00000000, 0x00000000),
179	E(0xFFFF8000, 0x00000000, 0x00000000, 0x00000000),
180	E(0xFFFFC000, 0x00000000, 0x00000000, 0x00000000),
181	E(0xFFFFE000, 0x00000000, 0x00000000, 0x00000000),
182	E(0xFFFFF000, 0x00000000, 0x00000000, 0x00000000),
183	E(0xFFFFF800, 0x00000000, 0x00000000, 0x00000000),
184	E(0xFFFFFC00, 0x00000000, 0x00000000, 0x00000000),
185	E(0xFFFFFE00, 0x00000000, 0x00000000, 0x00000000),
186	E(0xFFFFFF00, 0x00000000, 0x00000000, 0x00000000),
187	E(0xFFFFFF80, 0x00000000, 0x00000000, 0x00000000),
188	E(0xFFFFFFC0, 0x00000000, 0x00000000, 0x00000000),
189	E(0xFFFFFFE0, 0x00000000, 0x00000000, 0x00000000),
190	E(0xFFFFFFF0, 0x00000000, 0x00000000, 0x00000000),
191	E(0xFFFFFFF8, 0x00000000, 0x00000000, 0x00000000),
192	E(0xFFFFFFFC, 0x00000000, 0x00000000, 0x00000000),
193	E(0xFFFFFFFE, 0x00000000, 0x00000000, 0x00000000),
194	E(0xFFFFFFFF, 0x00000000, 0x00000000, 0x00000000),
195	E(0xFFFFFFFF, 0x80000000, 0x00000000, 0x00000000),
196	E(0xFFFFFFFF, 0xC0000000, 0x00000000, 0x00000000),
197	E(0xFFFFFFFF, 0xE0000000, 0x00000000, 0x00000000),
198	E(0xFFFFFFFF, 0xF0000000, 0x00000000, 0x00000000),
199	E(0xFFFFFFFF, 0xF8000000, 0x00000000, 0x00000000),
200	E(0xFFFFFFFF, 0xFC000000, 0x00000000, 0x00000000),
201	E(0xFFFFFFFF, 0xFE000000, 0x00000000, 0x00000000),
202	E(0xFFFFFFFF, 0xFF000000, 0x00000000, 0x00000000),
203	E(0xFFFFFFFF, 0xFF800000, 0x00000000, 0x00000000),
204	E(0xFFFFFFFF, 0xFFC00000, 0x00000000, 0x00000000),
205	E(0xFFFFFFFF, 0xFFE00000, 0x00000000, 0x00000000),
206	E(0xFFFFFFFF, 0xFFF00000, 0x00000000, 0x00000000),
207	E(0xFFFFFFFF, 0xFFF80000, 0x00000000, 0x00000000),
208	E(0xFFFFFFFF, 0xFFFC0000, 0x00000000, 0x00000000),
209	E(0xFFFFFFFF, 0xFFFE0000, 0x00000000, 0x00000000),
210	E(0xFFFFFFFF, 0xFFFF0000, 0x00000000, 0x00000000),
211	E(0xFFFFFFFF, 0xFFFF8000, 0x00000000, 0x00000000),
212	E(0xFFFFFFFF, 0xFFFFC000, 0x00000000, 0x00000000),
213	E(0xFFFFFFFF, 0xFFFFE000, 0x00000000, 0x00000000),
214	E(0xFFFFFFFF, 0xFFFFF000, 0x00000000, 0x00000000),
215	E(0xFFFFFFFF, 0xFFFFF800, 0x00000000, 0x00000000),
216	E(0xFFFFFFFF, 0xFFFFFC00, 0x00000000, 0x00000000),
217	E(0xFFFFFFFF, 0xFFFFFE00, 0x00000000, 0x00000000),
218	E(0xFFFFFFFF, 0xFFFFFF00, 0x00000000, 0x00000000),
219	E(0xFFFFFFFF, 0xFFFFFF80, 0x00000000, 0x00000000),
220	E(0xFFFFFFFF, 0xFFFFFFC0, 0x00000000, 0x00000000),
221	E(0xFFFFFFFF, 0xFFFFFFE0, 0x00000000, 0x00000000),
222	E(0xFFFFFFFF, 0xFFFFFFF0, 0x00000000, 0x00000000),
223	E(0xFFFFFFFF, 0xFFFFFFF8, 0x00000000, 0x00000000),
224	E(0xFFFFFFFF, 0xFFFFFFFC, 0x00000000, 0x00000000),
225	E(0xFFFFFFFF, 0xFFFFFFFE, 0x00000000, 0x00000000),
226	E(0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000),
227	E(0xFFFFFFFF, 0xFFFFFFFF, 0x80000000, 0x00000000),
228	E(0xFFFFFFFF, 0xFFFFFFFF, 0xC0000000, 0x00000000),
229	E(0xFFFFFFFF, 0xFFFFFFFF, 0xE0000000, 0x00000000),
230	E(0xFFFFFFFF, 0xFFFFFFFF, 0xF0000000, 0x00000000),
231	E(0xFFFFFFFF, 0xFFFFFFFF, 0xF8000000, 0x00000000),
232	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFC000000, 0x00000000),
233	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFE000000, 0x00000000),
234	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFF000000, 0x00000000),
235	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFF800000, 0x00000000),
236	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFC00000, 0x00000000),
237	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFE00000, 0x00000000),
238	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFF00000, 0x00000000),
239	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFF80000, 0x00000000),
240	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFC0000, 0x00000000),
241	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFE0000, 0x00000000),
242	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFF0000, 0x00000000),
243	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFF8000, 0x00000000),
244	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFC000, 0x00000000),
245	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFE000, 0x00000000),
246	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFF000, 0x00000000),
247	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFF800, 0x00000000),
248	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFC00, 0x00000000),
249	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFE00, 0x00000000),
250	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFF00, 0x00000000),
251	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFF80, 0x00000000),
252	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFC0, 0x00000000),
253	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFE0, 0x00000000),
254	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFF0, 0x00000000),
255	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFF8, 0x00000000),
256	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFC, 0x00000000),
257	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFE, 0x00000000),
258	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000),
259	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0x80000000),
260	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xC0000000),
261	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xE0000000),
262	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xF0000000),
263	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xF8000000),
264	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFC000000),
265	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFE000000),
266	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFF000000),
267	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFF800000),
268	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFC00000),
269	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFE00000),
270	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFF00000),
271	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFF80000),
272	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFC0000),
273	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFE0000),
274	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFF0000),
275	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFF8000),
276	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFC000),
277	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFE000),
278	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFF000),
279	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFF800),
280	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFC00),
281	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFE00),
282	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFF00),
283	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFF80),
284	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFC0),
285	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFE0),
286	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFF0),
287	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFF8),
288	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFC),
289	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFE),
290	E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF),
291};
292EXPORT_SYMBOL_GPL(ip_set_hostmask_map);
293
294/* Find the largest network which matches the range from left, in host order. */
295u32
296ip_set_range_to_cidr(u32 from, u32 to, u8 *cidr)
297{
298	u32 last;
299	u8 i;
300
301	for (i = 1; i < 32; i++) {
302		if ((from & ip_set_hostmask(i)) != from)
303			continue;
304		last = from | ~ip_set_hostmask(i);
305		if (!after(last, to)) {
306			*cidr = i;
307			return last;
308		}
309	}
310	*cidr = 32;
311	return from;
312}
313EXPORT_SYMBOL_GPL(ip_set_range_to_cidr);
314