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-rw-r--r--include/linux/net.h109
1 files changed, 63 insertions, 46 deletions
diff --git a/include/linux/net.h b/include/linux/net.h
index 4f27575ce1d6..b292a0435571 100644
--- a/include/linux/net.h
+++ b/include/linux/net.h
@@ -24,6 +24,7 @@
24#include <linux/fcntl.h> /* For O_CLOEXEC and O_NONBLOCK */ 24#include <linux/fcntl.h> /* For O_CLOEXEC and O_NONBLOCK */
25#include <linux/kmemcheck.h> 25#include <linux/kmemcheck.h>
26#include <linux/rcupdate.h> 26#include <linux/rcupdate.h>
27#include <linux/jump_label.h>
27#include <uapi/linux/net.h> 28#include <uapi/linux/net.h>
28 29
29struct poll_table_struct; 30struct poll_table_struct;
@@ -195,27 +196,23 @@ enum {
195 SOCK_WAKE_URG, 196 SOCK_WAKE_URG,
196}; 197};
197 198
198extern int sock_wake_async(struct socket *sk, int how, int band); 199int sock_wake_async(struct socket *sk, int how, int band);
199extern int sock_register(const struct net_proto_family *fam); 200int sock_register(const struct net_proto_family *fam);
200extern void sock_unregister(int family); 201void sock_unregister(int family);
201extern int __sock_create(struct net *net, int family, int type, int proto, 202int __sock_create(struct net *net, int family, int type, int proto,
202 struct socket **res, int kern); 203 struct socket **res, int kern);
203extern int sock_create(int family, int type, int proto, 204int sock_create(int family, int type, int proto, struct socket **res);
204 struct socket **res); 205int sock_create_kern(int family, int type, int proto, struct socket **res);
205extern int sock_create_kern(int family, int type, int proto, 206int sock_create_lite(int family, int type, int proto, struct socket **res);
206 struct socket **res); 207void sock_release(struct socket *sock);
207extern int sock_create_lite(int family, int type, int proto, 208int sock_sendmsg(struct socket *sock, struct msghdr *msg, size_t len);
208 struct socket **res); 209int sock_recvmsg(struct socket *sock, struct msghdr *msg, size_t size,
209extern void sock_release(struct socket *sock); 210 int flags);
210extern int sock_sendmsg(struct socket *sock, struct msghdr *msg, 211struct file *sock_alloc_file(struct socket *sock, int flags, const char *dname);
211 size_t len); 212struct socket *sockfd_lookup(int fd, int *err);
212extern int sock_recvmsg(struct socket *sock, struct msghdr *msg, 213struct socket *sock_from_file(struct file *file, int *err);
213 size_t size, int flags);
214extern struct file *sock_alloc_file(struct socket *sock, int flags, const char *dname);
215extern struct socket *sockfd_lookup(int fd, int *err);
216extern struct socket *sock_from_file(struct file *file, int *err);
217#define sockfd_put(sock) fput(sock->file) 214#define sockfd_put(sock) fput(sock->file)
218extern int net_ratelimit(void); 215int net_ratelimit(void);
219 216
220#define net_ratelimited_function(function, ...) \ 217#define net_ratelimited_function(function, ...) \
221do { \ 218do { \
@@ -243,32 +240,52 @@ do { \
243#define net_random() prandom_u32() 240#define net_random() prandom_u32()
244#define net_srandom(seed) prandom_seed((__force u32)(seed)) 241#define net_srandom(seed) prandom_seed((__force u32)(seed))
245 242
246extern int kernel_sendmsg(struct socket *sock, struct msghdr *msg, 243bool __net_get_random_once(void *buf, int nbytes, bool *done,
247 struct kvec *vec, size_t num, size_t len); 244 struct static_key *done_key);
248extern int kernel_recvmsg(struct socket *sock, struct msghdr *msg, 245
249 struct kvec *vec, size_t num, 246#ifdef HAVE_JUMP_LABEL
250 size_t len, int flags); 247#define ___NET_RANDOM_STATIC_KEY_INIT ((struct static_key) \
251 248 { .enabled = ATOMIC_INIT(0), .entries = (void *)1 })
252extern int kernel_bind(struct socket *sock, struct sockaddr *addr, 249#else /* !HAVE_JUMP_LABEL */
253 int addrlen); 250#define ___NET_RANDOM_STATIC_KEY_INIT STATIC_KEY_INIT_FALSE
254extern int kernel_listen(struct socket *sock, int backlog); 251#endif /* HAVE_JUMP_LABEL */
255extern int kernel_accept(struct socket *sock, struct socket **newsock, 252
256 int flags); 253#define net_get_random_once(buf, nbytes) \
257extern int kernel_connect(struct socket *sock, struct sockaddr *addr, 254 ({ \
258 int addrlen, int flags); 255 bool ___ret = false; \
259extern int kernel_getsockname(struct socket *sock, struct sockaddr *addr, 256 static bool ___done = false; \
260 int *addrlen); 257 static struct static_key ___done_key = \
261extern int kernel_getpeername(struct socket *sock, struct sockaddr *addr, 258 ___NET_RANDOM_STATIC_KEY_INIT; \
262 int *addrlen); 259 if (!static_key_true(&___done_key)) \
263extern int kernel_getsockopt(struct socket *sock, int level, int optname, 260 ___ret = __net_get_random_once(buf, \
264 char *optval, int *optlen); 261 nbytes, \
265extern int kernel_setsockopt(struct socket *sock, int level, int optname, 262 &___done, \
266 char *optval, unsigned int optlen); 263 &___done_key); \
267extern int kernel_sendpage(struct socket *sock, struct page *page, int offset, 264 ___ret; \
268 size_t size, int flags); 265 })
269extern int kernel_sock_ioctl(struct socket *sock, int cmd, unsigned long arg); 266
270extern int kernel_sock_shutdown(struct socket *sock, 267int kernel_sendmsg(struct socket *sock, struct msghdr *msg, struct kvec *vec,
271 enum sock_shutdown_cmd how); 268 size_t num, size_t len);
269int kernel_recvmsg(struct socket *sock, struct msghdr *msg, struct kvec *vec,
270 size_t num, size_t len, int flags);
271
272int kernel_bind(struct socket *sock, struct sockaddr *addr, int addrlen);
273int kernel_listen(struct socket *sock, int backlog);
274int kernel_accept(struct socket *sock, struct socket **newsock, int flags);
275int kernel_connect(struct socket *sock, struct sockaddr *addr, int addrlen,
276 int flags);
277int kernel_getsockname(struct socket *sock, struct sockaddr *addr,
278 int *addrlen);
279int kernel_getpeername(struct socket *sock, struct sockaddr *addr,
280 int *addrlen);
281int kernel_getsockopt(struct socket *sock, int level, int optname, char *optval,
282 int *optlen);
283int kernel_setsockopt(struct socket *sock, int level, int optname, char *optval,
284 unsigned int optlen);
285int kernel_sendpage(struct socket *sock, struct page *page, int offset,
286 size_t size, int flags);
287int kernel_sock_ioctl(struct socket *sock, int cmd, unsigned long arg);
288int kernel_sock_shutdown(struct socket *sock, enum sock_shutdown_cmd how);
272 289
273#define MODULE_ALIAS_NETPROTO(proto) \ 290#define MODULE_ALIAS_NETPROTO(proto) \
274 MODULE_ALIAS("net-pf-" __stringify(proto)) 291 MODULE_ALIAS("net-pf-" __stringify(proto))
generated by cgit v1.2.2 (git 2.25.0) at 2025-02-04 15:40:42 -0500