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2023-12-08 01573e231f18eb2d99162747186f59511f56b64d

 kernel/include/linux/sunrpc/xprtsock.h
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@@ -8,10 +8,9 @@
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 #ifndef _LINUX_SUNRPC_XPRTSOCK_H
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 #define _LINUX_SUNRPC_XPRTSOCK_H
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-#ifdef __KERNEL__
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-
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 int		init_socket_xprt(void);
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 void		cleanup_socket_xprt(void);
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+unsigned short	get_srcport(struct rpc_xprt *);
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 #define RPC_MIN_RESVPORT	(1U)
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 #define RPC_MAX_RESVPORT	(65535U)
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@@ -26,29 +25,42 @@
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 	 */
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 	struct socket *		sock;
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 	struct sock *		inet;
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+	struct file *		file;
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 	/*
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 	 * State of TCP reply receive
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 	 */
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-	__be32			tcp_fraghdr,
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-				tcp_xid,
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-				tcp_calldir;
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+	struct {
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+		struct {
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+			__be32	fraghdr,
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+				xid,
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+				calldir;
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+		} __attribute__((packed));
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-	u32			tcp_offset,
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-				tcp_reclen;
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+		u32		offset,
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+				len;
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-	unsigned long		tcp_copied,
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-				tcp_flags;
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+		unsigned long	copied;
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+	} recv;
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+
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+	/*
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+	 * State of TCP transmit queue
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+	 */
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+	struct {
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+		u32		offset;
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+	} xmit;
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 	/*
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 	 * Connection of transports
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 	 */
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 	unsigned long		sock_state;
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 	struct delayed_work	connect_worker;
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+	struct work_struct	error_worker;
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 	struct work_struct	recv_worker;
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 	struct mutex		recv_mutex;
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 	struct sockaddr_storage	srcaddr;
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 	unsigned short		srcport;
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+	int			xprt_err;
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 	/*
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 	 * UDP socket buffer size parameters
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@@ -68,24 +80,15 @@
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 };
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 /*
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- * TCP receive state flags
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- */
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-#define TCP_RCV_LAST_FRAG	(1UL << 0)
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-#define TCP_RCV_COPY_FRAGHDR	(1UL << 1)
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-#define TCP_RCV_COPY_XID	(1UL << 2)
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-#define TCP_RCV_COPY_DATA	(1UL << 3)
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-#define TCP_RCV_READ_CALLDIR	(1UL << 4)
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-#define TCP_RCV_COPY_CALLDIR	(1UL << 5)
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-
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-/*
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  * TCP RPC flags
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  */
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-#define TCP_RPC_REPLY		(1UL << 6)
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-
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 #define XPRT_SOCK_CONNECTING	1U
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 #define XPRT_SOCK_DATA_READY	(2)
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 #define XPRT_SOCK_UPD_TIMEOUT	(3)
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-
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-#endif /* __KERNEL__ */
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+#define XPRT_SOCK_WAKE_ERROR	(4)
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+#define XPRT_SOCK_WAKE_WRITE	(5)
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+#define XPRT_SOCK_WAKE_PENDING	(6)
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+#define XPRT_SOCK_WAKE_DISCONNECT	(7)
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+#define XPRT_SOCK_CONNECT_SENT	(8)
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 #endif /* _LINUX_SUNRPC_XPRTSOCK_H */