diff options
Diffstat (limited to 'include/linux/net.h')
| -rw-r--r-- | include/linux/net.h | 60 |
1 files changed, 37 insertions, 23 deletions
diff --git a/include/linux/net.h b/include/linux/net.h index 41c608c1b02c..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 @@ -123,7 +122,7 @@ struct socket { struct file *file; struct sock *sk; - const struct proto_ops *ops; + const struct proto_ops *ops; /* Might change with IPV6_ADDRFORM or MPTCP. */ struct socket_wq wq; }; @@ -149,10 +148,10 @@ typedef struct { struct vm_area_struct; struct page; -struct sockaddr; struct msghdr; struct module; struct sk_buff; +struct proto_accept_arg; typedef int (*sk_read_actor_t)(read_descriptor_t *, struct sk_buff *, unsigned int, size_t); typedef int (*skb_read_actor_t)(struct sock *, struct sk_buff *); @@ -163,15 +162,16 @@ 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); int (*accept) (struct socket *sock, - struct socket *newsock, int flags, bool kern); + struct socket *newsock, + struct proto_accept_arg *arg); int (*getname) (struct socket *sock, struct sockaddr *addr, int peer); @@ -299,10 +299,7 @@ do { \ net_ratelimited_function(pr_debug, fmt, ##__VA_ARGS__) #else #define net_dbg_ratelimited(fmt, ...) \ - do { \ - if (0) \ - no_printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__); \ - } while (0) + no_printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__) #endif #define net_get_random_once(buf, nbytes) \ @@ -323,17 +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); |