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authorZhenyu Wang <zhenyuw@linux.intel.com>2018-04-17 05:43:57 +0300
committerZhenyu Wang <zhenyuw@linux.intel.com>2018-04-17 05:45:23 +0300
commit30596ec32e2cd141d73ee8701386887def9e98c0 (patch)
treec8b0d725c46fd8fa504ec0bf41c92c6ff680b406 /include/linux/socket.h
parentd54e79340ff8d65b6c63ac278158add2fe211fd0 (diff)
parent60cc43fc888428bb2f18f08997432d426a243338 (diff)
downloadlinux-30596ec32e2cd141d73ee8701386887def9e98c0.tar.xz
Back merge 'drm-intel-fixes' into gvt-fixes
Need for 4.17-rc1 Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Diffstat (limited to 'include/linux/socket.h')
-rw-r--r--include/linux/socket.h38
1 files changed, 34 insertions, 4 deletions
diff --git a/include/linux/socket.h b/include/linux/socket.h
index 9286a5a8c60c..ea50f4a65816 100644
--- a/include/linux/socket.h
+++ b/include/linux/socket.h
@@ -287,6 +287,7 @@ struct ucred {
#define MSG_SENDPAGE_NOTLAST 0x20000 /* sendpage() internal : not the last page */
#define MSG_BATCH 0x40000 /* sendmmsg(): more messages coming */
#define MSG_EOF MSG_FIN
+#define MSG_NO_SHARED_FRAGS 0x80000 /* sendpage() internal : page frags are not shared */
#define MSG_ZEROCOPY 0x4000000 /* Use user data in kernel path */
#define MSG_FASTOPEN 0x20000000 /* Send data in TCP SYN */
@@ -346,11 +347,40 @@ extern int put_cmsg(struct msghdr*, int level, int type, int len, void *data);
struct timespec;
-/* The __sys_...msg variants allow MSG_CMSG_COMPAT */
-extern long __sys_recvmsg(int fd, struct user_msghdr __user *msg, unsigned flags);
-extern long __sys_sendmsg(int fd, struct user_msghdr __user *msg, unsigned flags);
+/* The __sys_...msg variants allow MSG_CMSG_COMPAT iff
+ * forbid_cmsg_compat==false
+ */
+extern long __sys_recvmsg(int fd, struct user_msghdr __user *msg,
+ unsigned int flags, bool forbid_cmsg_compat);
+extern long __sys_sendmsg(int fd, struct user_msghdr __user *msg,
+ unsigned int flags, bool forbid_cmsg_compat);
extern int __sys_recvmmsg(int fd, struct mmsghdr __user *mmsg, unsigned int vlen,
unsigned int flags, struct timespec *timeout);
extern int __sys_sendmmsg(int fd, struct mmsghdr __user *mmsg,
- unsigned int vlen, unsigned int flags);
+ unsigned int vlen, unsigned int flags,
+ bool forbid_cmsg_compat);
+
+/* helpers which do the actual work for syscalls */
+extern int __sys_recvfrom(int fd, void __user *ubuf, size_t size,
+ unsigned int flags, struct sockaddr __user *addr,
+ int __user *addr_len);
+extern int __sys_sendto(int fd, void __user *buff, size_t len,
+ unsigned int flags, struct sockaddr __user *addr,
+ int addr_len);
+extern int __sys_accept4(int fd, struct sockaddr __user *upeer_sockaddr,
+ int __user *upeer_addrlen, int flags);
+extern int __sys_socket(int family, int type, int protocol);
+extern int __sys_bind(int fd, struct sockaddr __user *umyaddr, int addrlen);
+extern int __sys_connect(int fd, struct sockaddr __user *uservaddr,
+ int addrlen);
+extern int __sys_listen(int fd, int backlog);
+extern int __sys_getsockname(int fd, struct sockaddr __user *usockaddr,
+ int __user *usockaddr_len);
+extern int __sys_getpeername(int fd, struct sockaddr __user *usockaddr,
+ int __user *usockaddr_len);
+extern int __sys_socketpair(int family, int type, int protocol,
+ int __user *usockvec);
+extern int __sys_shutdown(int fd, int how);
+
+extern struct ns_common *get_net_ns(struct ns_common *ns);
#endif /* _LINUX_SOCKET_H */