From 1a867a0898b2e366a1eb5b7fe21413a2b2b1629f Mon Sep 17 00:00:00 2001 From: Jeff Layton Date: Tue, 28 Oct 2014 14:24:14 -0400 Subject: sunrpc: add tracepoints in xs_tcp_data_recv Add tracepoints inside the main loop on xs_tcp_data_recv that allow us to keep an eye on what's happening during each phase of it. Signed-off-by: Jeff Layton Signed-off-by: Trond Myklebust --- include/linux/sunrpc/xprtsock.h | 59 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 59 insertions(+) (limited to 'include/linux/sunrpc') diff --git a/include/linux/sunrpc/xprtsock.h b/include/linux/sunrpc/xprtsock.h index 1ad36cc25b2e..7591788e9fbf 100644 --- a/include/linux/sunrpc/xprtsock.h +++ b/include/linux/sunrpc/xprtsock.h @@ -17,6 +17,65 @@ void cleanup_socket_xprt(void); #define RPC_DEF_MIN_RESVPORT (665U) #define RPC_DEF_MAX_RESVPORT (1023U) +struct sock_xprt { + struct rpc_xprt xprt; + + /* + * Network layer + */ + struct socket * sock; + struct sock * inet; + + /* + * State of TCP reply receive + */ + __be32 tcp_fraghdr, + tcp_xid, + tcp_calldir; + + u32 tcp_offset, + tcp_reclen; + + unsigned long tcp_copied, + tcp_flags; + + /* + * Connection of transports + */ + struct delayed_work connect_worker; + struct sockaddr_storage srcaddr; + unsigned short srcport; + + /* + * UDP socket buffer size parameters + */ + size_t rcvsize, + sndsize; + + /* + * Saved socket callback addresses + */ + void (*old_data_ready)(struct sock *); + void (*old_state_change)(struct sock *); + void (*old_write_space)(struct sock *); + void (*old_error_report)(struct sock *); +}; + +/* + * TCP receive state flags + */ +#define TCP_RCV_LAST_FRAG (1UL << 0) +#define TCP_RCV_COPY_FRAGHDR (1UL << 1) +#define TCP_RCV_COPY_XID (1UL << 2) +#define TCP_RCV_COPY_DATA (1UL << 3) +#define TCP_RCV_READ_CALLDIR (1UL << 4) +#define TCP_RCV_COPY_CALLDIR (1UL << 5) + +/* + * TCP RPC flags + */ +#define TCP_RPC_REPLY (1UL << 6) + #endif /* __KERNEL__ */ #endif /* _LINUX_SUNRPC_XPRTSOCK_H */ -- cgit v1.2.3-59-g8ed1b