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-rw-r--r--include/linux/sunrpc/clnt.h155
1 files changed, 0 insertions, 155 deletions
diff --git a/include/linux/sunrpc/clnt.h b/include/linux/sunrpc/clnt.h
index 6a7c2619a355..4a4abde000cb 100644
--- a/include/linux/sunrpc/clnt.h
+++ b/include/linux/sunrpc/clnt.h
@@ -165,160 +165,5 @@ size_t rpc_peeraddr(struct rpc_clnt *, struct sockaddr *, size_t);
165const char *rpc_peeraddr2str(struct rpc_clnt *, enum rpc_display_format_t); 165const char *rpc_peeraddr2str(struct rpc_clnt *, enum rpc_display_format_t);
166int rpc_localaddr(struct rpc_clnt *, struct sockaddr *, size_t); 166int rpc_localaddr(struct rpc_clnt *, struct sockaddr *, size_t);
167 167
168size_t rpc_ntop(const struct sockaddr *, char *, const size_t);
169size_t rpc_pton(struct net *, const char *, const size_t,
170 struct sockaddr *, const size_t);
171char * rpc_sockaddr2uaddr(const struct sockaddr *, gfp_t);
172size_t rpc_uaddr2sockaddr(struct net *, const char *, const size_t,
173 struct sockaddr *, const size_t);
174
175static inline unsigned short rpc_get_port(const struct sockaddr *sap)
176{
177 switch (sap->sa_family) {
178 case AF_INET:
179 return ntohs(((struct sockaddr_in *)sap)->sin_port);
180 case AF_INET6:
181 return ntohs(((struct sockaddr_in6 *)sap)->sin6_port);
182 }
183 return 0;
184}
185
186static inline void rpc_set_port(struct sockaddr *sap,
187 const unsigned short port)
188{
189 switch (sap->sa_family) {
190 case AF_INET:
191 ((struct sockaddr_in *)sap)->sin_port = htons(port);
192 break;
193 case AF_INET6:
194 ((struct sockaddr_in6 *)sap)->sin6_port = htons(port);
195 break;
196 }
197}
198
199#define IPV6_SCOPE_DELIMITER '%'
200#define IPV6_SCOPE_ID_LEN sizeof("%nnnnnnnnnn")
201
202static inline bool __rpc_cmp_addr4(const struct sockaddr *sap1,
203 const struct sockaddr *sap2)
204{
205 const struct sockaddr_in *sin1 = (const struct sockaddr_in *)sap1;
206 const struct sockaddr_in *sin2 = (const struct sockaddr_in *)sap2;
207
208 return sin1->sin_addr.s_addr == sin2->sin_addr.s_addr;
209}
210
211static inline bool __rpc_copy_addr4(struct sockaddr *dst,
212 const struct sockaddr *src)
213{
214 const struct sockaddr_in *ssin = (struct sockaddr_in *) src;
215 struct sockaddr_in *dsin = (struct sockaddr_in *) dst;
216
217 dsin->sin_family = ssin->sin_family;
218 dsin->sin_addr.s_addr = ssin->sin_addr.s_addr;
219 return true;
220}
221
222#if IS_ENABLED(CONFIG_IPV6)
223static inline bool __rpc_cmp_addr6(const struct sockaddr *sap1,
224 const struct sockaddr *sap2)
225{
226 const struct sockaddr_in6 *sin1 = (const struct sockaddr_in6 *)sap1;
227 const struct sockaddr_in6 *sin2 = (const struct sockaddr_in6 *)sap2;
228
229 if (!ipv6_addr_equal(&sin1->sin6_addr, &sin2->sin6_addr))
230 return false;
231 else if (ipv6_addr_type(&sin1->sin6_addr) & IPV6_ADDR_LINKLOCAL)
232 return sin1->sin6_scope_id == sin2->sin6_scope_id;
233
234 return true;
235}
236
237static inline bool __rpc_copy_addr6(struct sockaddr *dst,
238 const struct sockaddr *src)
239{
240 const struct sockaddr_in6 *ssin6 = (const struct sockaddr_in6 *) src;
241 struct sockaddr_in6 *dsin6 = (struct sockaddr_in6 *) dst;
242
243 dsin6->sin6_family = ssin6->sin6_family;
244 dsin6->sin6_addr = ssin6->sin6_addr;
245 dsin6->sin6_scope_id = ssin6->sin6_scope_id;
246 return true;
247}
248#else /* !(IS_ENABLED(CONFIG_IPV6) */
249static inline bool __rpc_cmp_addr6(const struct sockaddr *sap1,
250 const struct sockaddr *sap2)
251{
252 return false;
253}
254
255static inline bool __rpc_copy_addr6(struct sockaddr *dst,
256 const struct sockaddr *src)
257{
258 return false;
259}
260#endif /* !(IS_ENABLED(CONFIG_IPV6) */
261
262/**
263 * rpc_cmp_addr - compare the address portion of two sockaddrs.
264 * @sap1: first sockaddr
265 * @sap2: second sockaddr
266 *
267 * Just compares the family and address portion. Ignores port, but
268 * compares the scope if it's a link-local address.
269 *
270 * Returns true if the addrs are equal, false if they aren't.
271 */
272static inline bool rpc_cmp_addr(const struct sockaddr *sap1,
273 const struct sockaddr *sap2)
274{
275 if (sap1->sa_family == sap2->sa_family) {
276 switch (sap1->sa_family) {
277 case AF_INET:
278 return __rpc_cmp_addr4(sap1, sap2);
279 case AF_INET6:
280 return __rpc_cmp_addr6(sap1, sap2);
281 }
282 }
283 return false;
284}
285
286/**
287 * rpc_copy_addr - copy the address portion of one sockaddr to another
288 * @dst: destination sockaddr
289 * @src: source sockaddr
290 *
291 * Just copies the address portion and family. Ignores port, scope, etc.
292 * Caller is responsible for making certain that dst is large enough to hold
293 * the address in src. Returns true if address family is supported. Returns
294 * false otherwise.
295 */
296static inline bool rpc_copy_addr(struct sockaddr *dst,
297 const struct sockaddr *src)
298{
299 switch (src->sa_family) {
300 case AF_INET:
301 return __rpc_copy_addr4(dst, src);
302 case AF_INET6:
303 return __rpc_copy_addr6(dst, src);
304 }
305 return false;
306}
307
308/**
309 * rpc_get_scope_id - return scopeid for a given sockaddr
310 * @sa: sockaddr to get scopeid from
311 *
312 * Returns the value of the sin6_scope_id for AF_INET6 addrs, or 0 if
313 * not an AF_INET6 address.
314 */
315static inline u32 rpc_get_scope_id(const struct sockaddr *sa)
316{
317 if (sa->sa_family != AF_INET6)
318 return 0;
319
320 return ((struct sockaddr_in6 *) sa)->sin6_scope_id;
321}
322
323#endif /* __KERNEL__ */ 168#endif /* __KERNEL__ */
324#endif /* _LINUX_SUNRPC_CLNT_H */ 169#endif /* _LINUX_SUNRPC_CLNT_H */