Merge tag 'nfsd-5.8' of git://linux-nfs.org/~bfields/linux

Pull nfsd updates from Bruce Fields:
 "Highlights:

   - Keep nfsd clients from unnecessarily breaking their own
     delegations.

     Note this requires a small kthreadd addition. The result is Tejun
     Heo's suggestion (see link), and he was OK with this going through
     my tree.

   - Patch nfsd/clients/ to display filenames, and to fix byte-order
     when displaying stateid's.

   - fix a module loading/unloading bug, from Neil Brown.

   - A big series from Chuck Lever with RPC/RDMA and tracing
     improvements, and lay some groundwork for RPC-over-TLS"

Link: https://lore.kernel.org/r/1588348912-24781-1-git-send-email-bfields@redhat.com

* tag 'nfsd-5.8' of git://linux-nfs.org/~bfields/linux: (49 commits)
  sunrpc: use kmemdup_nul() in gssp_stringify()
  nfsd: safer handling of corrupted c_type
  nfsd4: make drc_slab global, not per-net
  SUNRPC: Remove unreachable error condition in rpcb_getport_async()
  nfsd: Fix svc_xprt refcnt leak when setup callback client failed
  sunrpc: clean up properly in gss_mech_unregister()
  sunrpc: svcauth_gss_register_pseudoflavor must reject duplicate registrations.
  sunrpc: check that domain table is empty at module unload.
  NFSD: Fix improperly-formatted Doxygen comments
  NFSD: Squash an annoying compiler warning
  SUNRPC: Clean up request deferral tracepoints
  NFSD: Add tracepoints for monitoring NFSD callbacks
  NFSD: Add tracepoints to the NFSD state management code
  NFSD: Add tracepoints to NFSD's duplicate reply cache
  SUNRPC: svc_show_status() macro should have enum definitions
  SUNRPC: Restructure svc_udp_recvfrom()
  SUNRPC: Refactor svc_recvfrom()
  SUNRPC: Clean up svc_release_skb() functions
  SUNRPC: Refactor recvfrom path dealing with incomplete TCP receives
  SUNRPC: Replace dprintk() call sites in TCP receive path
  ...

2 files changed, 511 insertions, 50 deletions

diff --git a/include/trace/events/rpcrdma.h b/include/trace/events/rpcrdma.h
index 132c3c778a43..bdcde7d33f14 100644
--- a/include/trace/events/rpcrdma.h
+++ b/include/trace/events/rpcrdma.h
@@ -1279,38 +1279,42 @@ TRACE_EVENT(xprtrdma_leaked_rep,
  ** Server-side RPC/RDMA events
  **/
 
-DECLARE_EVENT_CLASS(svcrdma_xprt_event,
+DECLARE_EVENT_CLASS(svcrdma_accept_class,
 	TP_PROTO(
-		const struct svc_xprt *xprt
+		const struct svcxprt_rdma *rdma,
+		long status
 	),
 
-	TP_ARGS(xprt),
+	TP_ARGS(rdma, status),
 
 	TP_STRUCT__entry(
-		__field(const void *, xprt)
-		__string(addr, xprt->xpt_remotebuf)
+		__field(long, status)
+		__string(addr, rdma->sc_xprt.xpt_remotebuf)
 	),
 
 	TP_fast_assign(
-		__entry->xprt = xprt;
-		__assign_str(addr, xprt->xpt_remotebuf);
+		__entry->status = status;
+		__assign_str(addr, rdma->sc_xprt.xpt_remotebuf);
 	),
 
-	TP_printk("xprt=%p addr=%s",
-		__entry->xprt, __get_str(addr)
+	TP_printk("addr=%s status=%ld",
+		__get_str(addr), __entry->status
 	)
 );
 
-#define DEFINE_XPRT_EVENT(name)						\
-		DEFINE_EVENT(svcrdma_xprt_event, svcrdma_xprt_##name,	\
-				TP_PROTO(				\
-					const struct svc_xprt *xprt	\
-				),					\
-				TP_ARGS(xprt))
+#define DEFINE_ACCEPT_EVENT(name) \
+		DEFINE_EVENT(svcrdma_accept_class, svcrdma_##name##_err, \
+				TP_PROTO( \
+					const struct svcxprt_rdma *rdma, \
+					long status \
+				), \
+				TP_ARGS(rdma, status))
 
-DEFINE_XPRT_EVENT(accept);
-DEFINE_XPRT_EVENT(fail);
-DEFINE_XPRT_EVENT(free);
+DEFINE_ACCEPT_EVENT(pd);
+DEFINE_ACCEPT_EVENT(qp);
+DEFINE_ACCEPT_EVENT(fabric);
+DEFINE_ACCEPT_EVENT(initdepth);
+DEFINE_ACCEPT_EVENT(accept);
 
 TRACE_DEFINE_ENUM(RDMA_MSG);
 TRACE_DEFINE_ENUM(RDMA_NOMSG);
@@ -1355,7 +1359,7 @@ TRACE_EVENT(svcrdma_decode_rqst,
 		show_rpcrdma_proc(__entry->proc), __entry->hdrlen)
 );
 
-TRACE_EVENT(svcrdma_decode_short,
+TRACE_EVENT(svcrdma_decode_short_err,
 	TP_PROTO(
 		unsigned int hdrlen
 	),
@@ -1399,7 +1403,8 @@ DECLARE_EVENT_CLASS(svcrdma_badreq_event,
 );
 
 #define DEFINE_BADREQ_EVENT(name)					\
-		DEFINE_EVENT(svcrdma_badreq_event, svcrdma_decode_##name,\
+		DEFINE_EVENT(svcrdma_badreq_event,			\
+			     svcrdma_decode_##name##_err,		\
 				TP_PROTO(				\
 					__be32 *p			\
 				),					\
@@ -1583,28 +1588,117 @@ DECLARE_EVENT_CLASS(svcrdma_dma_map_class,
 DEFINE_SVC_DMA_EVENT(dma_map_page);
 DEFINE_SVC_DMA_EVENT(dma_unmap_page);
 
-TRACE_EVENT(svcrdma_dma_map_rwctx,
+TRACE_EVENT(svcrdma_dma_map_rw_err,
 	TP_PROTO(
 		const struct svcxprt_rdma *rdma,
+		unsigned int nents,
 		int status
 	),
 
-	TP_ARGS(rdma, status),
+	TP_ARGS(rdma, nents, status),
 
 	TP_STRUCT__entry(
 		__field(int, status)
+		__field(unsigned int, nents)
 		__string(device, rdma->sc_cm_id->device->name)
 		__string(addr, rdma->sc_xprt.xpt_remotebuf)
 	),
 
 	TP_fast_assign(
 		__entry->status = status;
+		__entry->nents = nents;
+		__assign_str(device, rdma->sc_cm_id->device->name);
+		__assign_str(addr, rdma->sc_xprt.xpt_remotebuf);
+	),
+
+	TP_printk("addr=%s device=%s nents=%u status=%d",
+		__get_str(addr), __get_str(device), __entry->nents,
+		__entry->status
+	)
+);
+
+TRACE_EVENT(svcrdma_no_rwctx_err,
+	TP_PROTO(
+		const struct svcxprt_rdma *rdma,
+		unsigned int num_sges
+	),
+
+	TP_ARGS(rdma, num_sges),
+
+	TP_STRUCT__entry(
+		__field(unsigned int, num_sges)
+		__string(device, rdma->sc_cm_id->device->name)
+		__string(addr, rdma->sc_xprt.xpt_remotebuf)
+	),
+
+	TP_fast_assign(
+		__entry->num_sges = num_sges;
+		__assign_str(device, rdma->sc_cm_id->device->name);
+		__assign_str(addr, rdma->sc_xprt.xpt_remotebuf);
+	),
+
+	TP_printk("addr=%s device=%s num_sges=%d",
+		__get_str(addr), __get_str(device), __entry->num_sges
+	)
+);
+
+TRACE_EVENT(svcrdma_page_overrun_err,
+	TP_PROTO(
+		const struct svcxprt_rdma *rdma,
+		const struct svc_rqst *rqst,
+		unsigned int pageno
+	),
+
+	TP_ARGS(rdma, rqst, pageno),
+
+	TP_STRUCT__entry(
+		__field(unsigned int, pageno)
+		__field(u32, xid)
+		__string(device, rdma->sc_cm_id->device->name)
+		__string(addr, rdma->sc_xprt.xpt_remotebuf)
+	),
+
+	TP_fast_assign(
+		__entry->pageno = pageno;
+		__entry->xid = __be32_to_cpu(rqst->rq_xid);
+		__assign_str(device, rdma->sc_cm_id->device->name);
+		__assign_str(addr, rdma->sc_xprt.xpt_remotebuf);
+	),
+
+	TP_printk("addr=%s device=%s xid=0x%08x pageno=%u", __get_str(addr),
+		__get_str(device), __entry->xid, __entry->pageno
+	)
+);
+
+TRACE_EVENT(svcrdma_small_wrch_err,
+	TP_PROTO(
+		const struct svcxprt_rdma *rdma,
+		unsigned int remaining,
+		unsigned int seg_no,
+		unsigned int num_segs
+	),
+
+	TP_ARGS(rdma, remaining, seg_no, num_segs),
+
+	TP_STRUCT__entry(
+		__field(unsigned int, remaining)
+		__field(unsigned int, seg_no)
+		__field(unsigned int, num_segs)
+		__string(device, rdma->sc_cm_id->device->name)
+		__string(addr, rdma->sc_xprt.xpt_remotebuf)
+	),
+
+	TP_fast_assign(
+		__entry->remaining = remaining;
+		__entry->seg_no = seg_no;
+		__entry->num_segs = num_segs;
 		__assign_str(device, rdma->sc_cm_id->device->name);
 		__assign_str(addr, rdma->sc_xprt.xpt_remotebuf);
 	),
 
-	TP_printk("addr=%s device=%s status=%d",
-		__get_str(addr), __get_str(device), __entry->status
+	TP_printk("addr=%s device=%s remaining=%u seg_no=%u num_segs=%u",
+		__get_str(addr), __get_str(device), __entry->remaining,
+		__entry->seg_no, __entry->num_segs
 	)
 );
 
diff --git a/include/trace/events/sunrpc.h b/include/trace/events/sunrpc.h
index ffd2215950dc..852413cbb7d9 100644
--- a/include/trace/events/sunrpc.h
+++ b/include/trace/events/sunrpc.h
@@ -14,6 +14,39 @@
 #include <linux/net.h>
 #include <linux/tracepoint.h>
 
+TRACE_DEFINE_ENUM(SOCK_STREAM);
+TRACE_DEFINE_ENUM(SOCK_DGRAM);
+TRACE_DEFINE_ENUM(SOCK_RAW);
+TRACE_DEFINE_ENUM(SOCK_RDM);
+TRACE_DEFINE_ENUM(SOCK_SEQPACKET);
+TRACE_DEFINE_ENUM(SOCK_DCCP);
+TRACE_DEFINE_ENUM(SOCK_PACKET);
+
+#define show_socket_type(type)					\
+	__print_symbolic(type,					\
+		{ SOCK_STREAM,		"STREAM" },		\
+		{ SOCK_DGRAM,		"DGRAM" },		\
+		{ SOCK_RAW,		"RAW" },		\
+		{ SOCK_RDM,		"RDM" },		\
+		{ SOCK_SEQPACKET,	"SEQPACKET" },		\
+		{ SOCK_DCCP,		"DCCP" },		\
+		{ SOCK_PACKET,		"PACKET" })
+
+/* This list is known to be incomplete, add new enums as needed. */
+TRACE_DEFINE_ENUM(AF_UNSPEC);
+TRACE_DEFINE_ENUM(AF_UNIX);
+TRACE_DEFINE_ENUM(AF_LOCAL);
+TRACE_DEFINE_ENUM(AF_INET);
+TRACE_DEFINE_ENUM(AF_INET6);
+
+#define rpc_show_address_family(family)				\
+	__print_symbolic(family,				\
+		{ AF_UNSPEC,		"AF_UNSPEC" },		\
+		{ AF_UNIX,		"AF_UNIX" },		\
+		{ AF_LOCAL,		"AF_LOCAL" },		\
+		{ AF_INET,		"AF_INET" },		\
+		{ AF_INET6,		"AF_INET6" })
+
 DECLARE_EVENT_CLASS(xdr_buf_class,
 	TP_PROTO(
 		const struct xdr_buf *xdr
@@ -1024,6 +1057,17 @@ TRACE_EVENT(svc_recv,
 			show_rqstp_flags(__entry->flags))
 );
 
+TRACE_DEFINE_ENUM(SVC_GARBAGE);
+TRACE_DEFINE_ENUM(SVC_SYSERR);
+TRACE_DEFINE_ENUM(SVC_VALID);
+TRACE_DEFINE_ENUM(SVC_NEGATIVE);
+TRACE_DEFINE_ENUM(SVC_OK);
+TRACE_DEFINE_ENUM(SVC_DROP);
+TRACE_DEFINE_ENUM(SVC_CLOSE);
+TRACE_DEFINE_ENUM(SVC_DENIED);
+TRACE_DEFINE_ENUM(SVC_PENDING);
+TRACE_DEFINE_ENUM(SVC_COMPLETE);
+
 #define svc_show_status(status)				\
 	__print_symbolic(status,			\
 		{ SVC_GARBAGE,	"SVC_GARBAGE" },	\
@@ -1167,28 +1211,54 @@ DEFINE_EVENT(svc_rqst_status, svc_send,
 		{ (1UL << XPT_KILL_TEMP),	"XPT_KILL_TEMP"},	\
 		{ (1UL << XPT_CONG_CTRL),	"XPT_CONG_CTRL"})
 
+TRACE_EVENT(svc_xprt_create_err,
+	TP_PROTO(
+		const char *program,
+		const char *protocol,
+		struct sockaddr *sap,
+		const struct svc_xprt *xprt
+	),
+
+	TP_ARGS(program, protocol, sap, xprt),
+
+	TP_STRUCT__entry(
+		__field(long, error)
+		__string(program, program)
+		__string(protocol, protocol)
+		__array(unsigned char, addr, sizeof(struct sockaddr_in6))
+	),
+
+	TP_fast_assign(
+		__entry->error = PTR_ERR(xprt);
+		__assign_str(program, program);
+		__assign_str(protocol, protocol);
+		memcpy(__entry->addr, sap, sizeof(__entry->addr));
+	),
+
+	TP_printk("addr=%pISpc program=%s protocol=%s error=%ld",
+		__entry->addr, __get_str(program), __get_str(protocol),
+		__entry->error)
+);
+
 TRACE_EVENT(svc_xprt_do_enqueue,
 	TP_PROTO(struct svc_xprt *xprt, struct svc_rqst *rqst),
 
 	TP_ARGS(xprt, rqst),
 
 	TP_STRUCT__entry(
-		__field(struct svc_xprt *, xprt)
 		__field(int, pid)
 		__field(unsigned long, flags)
 		__string(addr, xprt->xpt_remotebuf)
 	),
 
 	TP_fast_assign(
-		__entry->xprt = xprt;
 		__entry->pid = rqst? rqst->rq_task->pid : 0;
 		__entry->flags = xprt->xpt_flags;
 		__assign_str(addr, xprt->xpt_remotebuf);
 	),
 
-	TP_printk("xprt=%p addr=%s pid=%d flags=%s",
-			__entry->xprt, __get_str(addr),
-			__entry->pid, show_svc_xprt_flags(__entry->flags))
+	TP_printk("addr=%s pid=%d flags=%s", __get_str(addr),
+		__entry->pid, show_svc_xprt_flags(__entry->flags))
 );
 
 DECLARE_EVENT_CLASS(svc_xprt_event,
@@ -1197,25 +1267,55 @@ DECLARE_EVENT_CLASS(svc_xprt_event,
 	TP_ARGS(xprt),
 
 	TP_STRUCT__entry(
-		__field(struct svc_xprt *, xprt)
 		__field(unsigned long, flags)
 		__string(addr, xprt->xpt_remotebuf)
 	),
 
 	TP_fast_assign(
-		__entry->xprt = xprt;
 		__entry->flags = xprt->xpt_flags;
 		__assign_str(addr, xprt->xpt_remotebuf);
 	),
 
-	TP_printk("xprt=%p addr=%s flags=%s",
-			__entry->xprt, __get_str(addr),
-			show_svc_xprt_flags(__entry->flags))
+	TP_printk("addr=%s flags=%s", __get_str(addr),
+		show_svc_xprt_flags(__entry->flags))
 );
 
-DEFINE_EVENT(svc_xprt_event, svc_xprt_no_write_space,
-	TP_PROTO(struct svc_xprt *xprt),
-	TP_ARGS(xprt));
+#define DEFINE_SVC_XPRT_EVENT(name) \
+	DEFINE_EVENT(svc_xprt_event, svc_xprt_##name, \
+			TP_PROTO( \
+				struct svc_xprt *xprt \
+			), \
+			TP_ARGS(xprt))
+
+DEFINE_SVC_XPRT_EVENT(no_write_space);
+DEFINE_SVC_XPRT_EVENT(close);
+DEFINE_SVC_XPRT_EVENT(detach);
+DEFINE_SVC_XPRT_EVENT(free);
+
+TRACE_EVENT(svc_xprt_accept,
+	TP_PROTO(
+		const struct svc_xprt *xprt,
+		const char *service
+	),
+
+	TP_ARGS(xprt, service),
+
+	TP_STRUCT__entry(
+		__string(addr, xprt->xpt_remotebuf)
+		__string(protocol, xprt->xpt_class->xcl_name)
+		__string(service, service)
+	),
+
+	TP_fast_assign(
+		__assign_str(addr, xprt->xpt_remotebuf);
+		__assign_str(protocol, xprt->xpt_class->xcl_name)
+		__assign_str(service, service);
+	),
+
+	TP_printk("addr=%s protocol=%s service=%s",
+		__get_str(addr), __get_str(protocol), __get_str(service)
+	)
+);
 
 TRACE_EVENT(svc_xprt_dequeue,
 	TP_PROTO(struct svc_rqst *rqst),
@@ -1223,24 +1323,20 @@ TRACE_EVENT(svc_xprt_dequeue,
 	TP_ARGS(rqst),
 
 	TP_STRUCT__entry(
-		__field(struct svc_xprt *, xprt)
 		__field(unsigned long, flags)
 		__field(unsigned long, wakeup)
 		__string(addr, rqst->rq_xprt->xpt_remotebuf)
 	),
 
 	TP_fast_assign(
-		__entry->xprt = rqst->rq_xprt;
 		__entry->flags = rqst->rq_xprt->xpt_flags;
 		__entry->wakeup = ktime_to_us(ktime_sub(ktime_get(),
 							rqst->rq_qtime));
 		__assign_str(addr, rqst->rq_xprt->xpt_remotebuf);
 	),
 
-	TP_printk("xprt=%p addr=%s flags=%s wakeup-us=%lu",
-			__entry->xprt, __get_str(addr),
-			show_svc_xprt_flags(__entry->flags),
-			__entry->wakeup)
+	TP_printk("addr=%s flags=%s wakeup-us=%lu", __get_str(addr),
+		show_svc_xprt_flags(__entry->flags), __entry->wakeup)
 );
 
 TRACE_EVENT(svc_wake_up,
@@ -1265,21 +1361,18 @@ TRACE_EVENT(svc_handle_xprt,
 	TP_ARGS(xprt, len),
 
 	TP_STRUCT__entry(
-		__field(struct svc_xprt *, xprt)
 		__field(int, len)
 		__field(unsigned long, flags)
 		__string(addr, xprt->xpt_remotebuf)
 	),
 
 	TP_fast_assign(
-		__entry->xprt = xprt;
 		__entry->len = len;
 		__entry->flags = xprt->xpt_flags;
 		__assign_str(addr, xprt->xpt_remotebuf);
 	),
 
-	TP_printk("xprt=%p addr=%s len=%d flags=%s",
-		__entry->xprt, __get_str(addr),
+	TP_printk("addr=%s len=%d flags=%s", __get_str(addr),
 		__entry->len, show_svc_xprt_flags(__entry->flags))
 );
 
@@ -1313,27 +1406,221 @@ DECLARE_EVENT_CLASS(svc_deferred_event,
 	TP_ARGS(dr),
 
 	TP_STRUCT__entry(
+		__field(const void *, dr)
 		__field(u32, xid)
 		__string(addr, dr->xprt->xpt_remotebuf)
 	),
 
 	TP_fast_assign(
+		__entry->dr = dr;
 		__entry->xid = be32_to_cpu(*(__be32 *)(dr->args +
 						       (dr->xprt_hlen>>2)));
 		__assign_str(addr, dr->xprt->xpt_remotebuf);
 	),
 
-	TP_printk("addr=%s xid=0x%08x", __get_str(addr), __entry->xid)
+	TP_printk("addr=%s dr=%p xid=0x%08x", __get_str(addr), __entry->dr,
+		__entry->xid)
 );
+
 #define DEFINE_SVC_DEFERRED_EVENT(name) \
-	DEFINE_EVENT(svc_deferred_event, svc_##name##_deferred, \
+	DEFINE_EVENT(svc_deferred_event, svc_defer_##name, \
 			TP_PROTO( \
 				const struct svc_deferred_req *dr \
 			), \
 			TP_ARGS(dr))
 
 DEFINE_SVC_DEFERRED_EVENT(drop);
-DEFINE_SVC_DEFERRED_EVENT(revisit);
+DEFINE_SVC_DEFERRED_EVENT(queue);
+DEFINE_SVC_DEFERRED_EVENT(recv);
+
+TRACE_EVENT(svcsock_new_socket,
+	TP_PROTO(
+		const struct socket *socket
+	),
+
+	TP_ARGS(socket),
+
+	TP_STRUCT__entry(
+		__field(unsigned long, type)
+		__field(unsigned long, family)
+		__field(bool, listener)
+	),
+
+	TP_fast_assign(
+		__entry->type = socket->type;
+		__entry->family = socket->sk->sk_family;
+		__entry->listener = (socket->sk->sk_state == TCP_LISTEN);
+	),
+
+	TP_printk("type=%s family=%s%s",
+		show_socket_type(__entry->type),
+		rpc_show_address_family(__entry->family),
+		__entry->listener ? " (listener)" : ""
+	)
+);
+
+TRACE_EVENT(svcsock_marker,
+	TP_PROTO(
+		const struct svc_xprt *xprt,
+		__be32 marker
+	),
+
+	TP_ARGS(xprt, marker),
+
+	TP_STRUCT__entry(
+		__field(unsigned int, length)
+		__field(bool, last)
+		__string(addr, xprt->xpt_remotebuf)
+	),
+
+	TP_fast_assign(
+		__entry->length = be32_to_cpu(marker) & RPC_FRAGMENT_SIZE_MASK;
+		__entry->last = be32_to_cpu(marker) & RPC_LAST_STREAM_FRAGMENT;
+		__assign_str(addr, xprt->xpt_remotebuf);
+	),
+
+	TP_printk("addr=%s length=%u%s", __get_str(addr),
+		__entry->length, __entry->last ? " (last)" : "")
+);
+
+DECLARE_EVENT_CLASS(svcsock_class,
+	TP_PROTO(
+		const struct svc_xprt *xprt,
+		ssize_t result
+	),
+
+	TP_ARGS(xprt, result),
+
+	TP_STRUCT__entry(
+		__field(ssize_t, result)
+		__field(unsigned long, flags)
+		__string(addr, xprt->xpt_remotebuf)
+	),
+
+	TP_fast_assign(
+		__entry->result = result;
+		__entry->flags = xprt->xpt_flags;
+		__assign_str(addr, xprt->xpt_remotebuf);
+	),
+
+	TP_printk("addr=%s result=%zd flags=%s", __get_str(addr),
+		__entry->result, show_svc_xprt_flags(__entry->flags)
+	)
+);
+
+#define DEFINE_SVCSOCK_EVENT(name) \
+	DEFINE_EVENT(svcsock_class, svcsock_##name, \
+			TP_PROTO( \
+				const struct svc_xprt *xprt, \
+				ssize_t result \
+			), \
+			TP_ARGS(xprt, result))
+
+DEFINE_SVCSOCK_EVENT(udp_send);
+DEFINE_SVCSOCK_EVENT(udp_recv);
+DEFINE_SVCSOCK_EVENT(udp_recv_err);
+DEFINE_SVCSOCK_EVENT(tcp_send);
+DEFINE_SVCSOCK_EVENT(tcp_recv);
+DEFINE_SVCSOCK_EVENT(tcp_recv_eagain);
+DEFINE_SVCSOCK_EVENT(tcp_recv_err);
+DEFINE_SVCSOCK_EVENT(data_ready);
+DEFINE_SVCSOCK_EVENT(write_space);
+
+TRACE_EVENT(svcsock_tcp_recv_short,
+	TP_PROTO(
+		const struct svc_xprt *xprt,
+		u32 expected,
+		u32 received
+	),
+
+	TP_ARGS(xprt, expected, received),
+
+	TP_STRUCT__entry(
+		__field(u32, expected)
+		__field(u32, received)
+		__field(unsigned long, flags)
+		__string(addr, xprt->xpt_remotebuf)
+	),
+
+	TP_fast_assign(
+		__entry->expected = expected;
+		__entry->received = received;
+		__entry->flags = xprt->xpt_flags;
+		__assign_str(addr, xprt->xpt_remotebuf);
+	),
+
+	TP_printk("addr=%s flags=%s expected=%u received=%u",
+		__get_str(addr), show_svc_xprt_flags(__entry->flags),
+		__entry->expected, __entry->received
+	)
+);
+
+TRACE_EVENT(svcsock_tcp_state,
+	TP_PROTO(
+		const struct svc_xprt *xprt,
+		const struct socket *socket
+	),
+
+	TP_ARGS(xprt, socket),
+
+	TP_STRUCT__entry(
+		__field(unsigned long, socket_state)
+		__field(unsigned long, sock_state)
+		__field(unsigned long, flags)
+		__string(addr, xprt->xpt_remotebuf)
+	),
+
+	TP_fast_assign(
+		__entry->socket_state = socket->state;
+		__entry->sock_state = socket->sk->sk_state;
+		__entry->flags = xprt->xpt_flags;
+		__assign_str(addr, xprt->xpt_remotebuf);
+	),
+
+	TP_printk("addr=%s state=%s sk_state=%s flags=%s", __get_str(addr),
+		rpc_show_socket_state(__entry->socket_state),
+		rpc_show_sock_state(__entry->sock_state),
+		show_svc_xprt_flags(__entry->flags)
+	)
+);
+
+DECLARE_EVENT_CLASS(svcsock_accept_class,
+	TP_PROTO(
+		const struct svc_xprt *xprt,
+		const char *service,
+		long status
+	),
+
+	TP_ARGS(xprt, service, status),
+
+	TP_STRUCT__entry(
+		__field(long, status)
+		__string(service, service)
+		__array(unsigned char, addr, sizeof(struct sockaddr_in6))
+	),
+
+	TP_fast_assign(
+		__entry->status = status;
+		__assign_str(service, service);
+		memcpy(__entry->addr, &xprt->xpt_local, sizeof(__entry->addr));
+	),
+
+	TP_printk("listener=%pISpc service=%s status=%ld",
+		__entry->addr, __get_str(service), __entry->status
+	)
+);
+
+#define DEFINE_ACCEPT_EVENT(name) \
+	DEFINE_EVENT(svcsock_accept_class, svcsock_##name##_err, \
+			TP_PROTO( \
+				const struct svc_xprt *xprt, \
+				const char *service, \
+				long status \
+			), \
+			TP_ARGS(xprt, service, status))
+
+DEFINE_ACCEPT_EVENT(accept);
+DEFINE_ACCEPT_EVENT(getpeername);
 
 DECLARE_EVENT_CLASS(cache_event,
 	TP_PROTO(
@@ -1368,6 +1655,86 @@ DEFINE_CACHE_EVENT(cache_entry_update);
 DEFINE_CACHE_EVENT(cache_entry_make_negative);
 DEFINE_CACHE_EVENT(cache_entry_no_listener);
 
+DECLARE_EVENT_CLASS(register_class,
+	TP_PROTO(
+		const char *program,
+		const u32 version,
+		const int family,
+		const unsigned short protocol,
+		const unsigned short port,
+		int error
+	),
+
+	TP_ARGS(program, version, family, protocol, port, error),
+
+	TP_STRUCT__entry(
+		__field(u32, version)
+		__field(unsigned long, family)
+		__field(unsigned short, protocol)
+		__field(unsigned short, port)
+		__field(int, error)
+		__string(program, program)
+	),
+
+	TP_fast_assign(
+		__entry->version = version;
+		__entry->family = family;
+		__entry->protocol = protocol;
+		__entry->port = port;
+		__entry->error = error;
+		__assign_str(program, program);
+	),
+
+	TP_printk("program=%sv%u proto=%s port=%u family=%s error=%d",
+		__get_str(program), __entry->version,
+		__entry->protocol == IPPROTO_UDP ? "udp" : "tcp",
+		__entry->port, rpc_show_address_family(__entry->family),
+		__entry->error
+	)
+);
+
+#define DEFINE_REGISTER_EVENT(name) \
+	DEFINE_EVENT(register_class, svc_##name, \
+			TP_PROTO( \
+				const char *program, \
+				const u32 version, \
+				const int family, \
+				const unsigned short protocol, \
+				const unsigned short port, \
+				int error \
+			), \
+			TP_ARGS(program, version, family, protocol, \
+				port, error))
+
+DEFINE_REGISTER_EVENT(register);
+DEFINE_REGISTER_EVENT(noregister);
+
+TRACE_EVENT(svc_unregister,
+	TP_PROTO(
+		const char *program,
+		const u32 version,
+		int error
+	),
+
+	TP_ARGS(program, version, error),
+
+	TP_STRUCT__entry(
+		__field(u32, version)
+		__field(int, error)
+		__string(program, program)
+	),
+
+	TP_fast_assign(
+		__entry->version = version;
+		__entry->error = error;
+		__assign_str(program, program);
+	),
+
+	TP_printk("program=%sv%u error=%d",
+		__get_str(program), __entry->version, __entry->error
+	)
+);
+
 #endif /* _TRACE_SUNRPC_H */
 
 #include <trace/define_trace.h>