[PATCH net-next 01/11] rxrpc: Print the packet type name in the Rx packet trace

From: David Howells
Date: Sat Sep 17 2016 - 19:22:03 EST


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@xxxxxxxxxx>
---

include/trace/events/rxrpc.h | 5 +++--
net/rxrpc/ar-internal.h | 6 +++---
2 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/include/trace/events/rxrpc.h b/include/trace/events/rxrpc.h
index ea3b10ed91a8..0a30c673509c 100644
--- a/include/trace/events/rxrpc.h
+++ b/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,
diff --git a/net/rxrpc/ar-internal.h b/net/rxrpc/ar-internal.h
index e78c40b37db5..0f6fafa2c271 100644
--- a/net/rxrpc/ar-internal.h
+++ b/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
*/