rxrpc: Print the packet type name in the Rx packet trace

Print a symbolic packet type name for each valid received packet in the
trace output, not just a number.
Signed-off-by: David Howells <dhowells@redhat.com>

include/trace/events/rxrpc.h

@@ -93,11 +93,12 @@ TRACE_EVENT(rxrpc_rx_packet,
 		    memcpy(&__entry->hdr, &sp->hdr, sizeof(__entry->hdr));
 			   ),
 
-	    TP_printk("%08x:%08x:%08x:%04x %08x %08x %02x %02x",
+	    TP_printk("%08x:%08x:%08x:%04x %08x %08x %02x %02x %s",
 		      __entry->hdr.epoch, __entry->hdr.cid,
 		      __entry->hdr.callNumber, __entry->hdr.serviceId,
 		      __entry->hdr.serial, __entry->hdr.seq,
-		      __entry->hdr.type, __entry->hdr.flags)
+		      __entry->hdr.type, __entry->hdr.flags,
+		      __entry->hdr.type <= 15 ? rxrpc_pkts[__entry->hdr.type] : "?UNK")
 	    );
 
 TRACE_EVENT(rxrpc_rx_done,

net/rxrpc/ar-internal.h

@@ -551,6 +551,9 @@ enum rxrpc_call_trace {
 
 extern const char rxrpc_call_traces[rxrpc_call__nr_trace][4];
 
+extern const char *const rxrpc_pkts[];
+extern const char *rxrpc_acks(u8 reason);
+
 #include <trace/events/rxrpc.h>
 
 /*
@@ -851,11 +854,8 @@ extern unsigned int rxrpc_rx_mtu;
 extern unsigned int rxrpc_rx_jumbo_max;
 extern unsigned int rxrpc_resend_timeout;
 
-extern const char *const rxrpc_pkts[];
 extern const s8 rxrpc_ack_priority[];
 
-extern const char *rxrpc_acks(u8 reason);
-
 /*
  * output.c
  */