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Diffstat (limited to 'include/linux/net.h')
-rw-r--r--include/linux/net.h49
1 files changed, 32 insertions, 17 deletions
diff --git a/include/linux/net.h b/include/linux/net.h
index 688320b79fcc..f58b38ab37f8 100644
--- a/include/linux/net.h
+++ b/include/linux/net.h
@@ -36,14 +36,13 @@ struct net;
* in sock->flags, but moved into sk->sk_wq->flags to be RCU protected.
* Eventually all flags will be in sk->sk_wq->flags.
*/
-#define SOCKWQ_ASYNC_NOSPACE 0
-#define SOCKWQ_ASYNC_WAITDATA 1
-#define SOCK_NOSPACE 2
-#define SOCK_PASSCRED 3
-#define SOCK_PASSSEC 4
-#define SOCK_SUPPORT_ZC 5
-#define SOCK_CUSTOM_SOCKOPT 6
-#define SOCK_PASSPIDFD 7
+enum socket_flags {
+ SOCKWQ_ASYNC_NOSPACE,
+ SOCKWQ_ASYNC_WAITDATA,
+ SOCK_NOSPACE,
+ SOCK_SUPPORT_ZC,
+ SOCK_CUSTOM_SOCKOPT,
+};
#ifndef ARCH_HAS_SOCKET_TYPES
/**
@@ -70,6 +69,7 @@ enum sock_type {
SOCK_DCCP = 6,
SOCK_PACKET = 10,
};
+#endif /* ARCH_HAS_SOCKET_TYPES */
#define SOCK_MAX (SOCK_PACKET + 1)
/* Mask which covers at least up to SOCK_MASK-1. The
@@ -81,8 +81,7 @@ enum sock_type {
#ifndef SOCK_NONBLOCK
#define SOCK_NONBLOCK O_NONBLOCK
#endif
-
-#endif /* ARCH_HAS_SOCKET_TYPES */
+#define SOCK_COREDUMP O_NOCTTY
/**
* enum sock_shutdown_cmd - Shutdown types
@@ -149,7 +148,6 @@ typedef struct {
struct vm_area_struct;
struct page;
-struct sockaddr;
struct msghdr;
struct module;
struct sk_buff;
@@ -164,10 +162,10 @@ struct proto_ops {
struct module *owner;
int (*release) (struct socket *sock);
int (*bind) (struct socket *sock,
- struct sockaddr *myaddr,
+ struct sockaddr_unsized *myaddr,
int sockaddr_len);
int (*connect) (struct socket *sock,
- struct sockaddr *vaddr,
+ struct sockaddr_unsized *vaddr,
int sockaddr_len, int flags);
int (*socketpair)(struct socket *sock1,
struct socket *sock2);
@@ -322,17 +320,34 @@ static inline bool sendpage_ok(struct page *page)
return !PageSlab(page) && page_count(page) >= 1;
}
+/*
+ * Check sendpage_ok on contiguous pages.
+ */
+static inline bool sendpages_ok(struct page *page, size_t len, size_t offset)
+{
+ struct page *p = page + (offset >> PAGE_SHIFT);
+ size_t count = 0;
+
+ while (count < len) {
+ if (!sendpage_ok(p))
+ return false;
+
+ p++;
+ count += PAGE_SIZE;
+ }
+
+ return true;
+}
+
int kernel_sendmsg(struct socket *sock, struct msghdr *msg, struct kvec *vec,
size_t num, size_t len);
-int kernel_sendmsg_locked(struct sock *sk, struct msghdr *msg,
- struct kvec *vec, size_t num, size_t len);
int kernel_recvmsg(struct socket *sock, struct msghdr *msg, struct kvec *vec,
size_t num, size_t len, int flags);
-int kernel_bind(struct socket *sock, struct sockaddr *addr, int addrlen);
+int kernel_bind(struct socket *sock, struct sockaddr_unsized *addr, int addrlen);
int kernel_listen(struct socket *sock, int backlog);
int kernel_accept(struct socket *sock, struct socket **newsock, int flags);
-int kernel_connect(struct socket *sock, struct sockaddr *addr, int addrlen,
+int kernel_connect(struct socket *sock, struct sockaddr_unsized *addr, int addrlen,
int flags);
int kernel_getsockname(struct socket *sock, struct sockaddr *addr);
int kernel_getpeername(struct socket *sock, struct sockaddr *addr);