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-rw-r--r--include/trace/events/rxrpc.h26
-rw-r--r--net/rxrpc/input.c2
2 files changed, 28 insertions, 0 deletions
diff --git a/include/trace/events/rxrpc.h b/include/trace/events/rxrpc.h
index ffc74b3e5b76..2b19f3fa5174 100644
--- a/include/trace/events/rxrpc.h
+++ b/include/trace/events/rxrpc.h
@@ -234,6 +234,32 @@ TRACE_EVENT(rxrpc_transmit,
__entry->tx_top - __entry->tx_hard_ack)
);
+TRACE_EVENT(rxrpc_rx_ack,
+ TP_PROTO(struct rxrpc_call *call, rxrpc_seq_t first, u8 reason, u8 n_acks),
+
+ TP_ARGS(call, first, reason, n_acks),
+
+ TP_STRUCT__entry(
+ __field(struct rxrpc_call *, call )
+ __field(rxrpc_seq_t, first )
+ __field(u8, reason )
+ __field(u8, n_acks )
+ ),
+
+ TP_fast_assign(
+ __entry->call = call;
+ __entry->first = first;
+ __entry->reason = reason;
+ __entry->n_acks = n_acks;
+ ),
+
+ TP_printk("c=%p %s f=%08x n=%u",
+ __entry->call,
+ rxrpc_acks(__entry->reason),
+ __entry->first,
+ __entry->n_acks)
+ );
+
#endif /* _TRACE_RXRPC_H */
/* This part must be outside protection */
diff --git a/net/rxrpc/input.c b/net/rxrpc/input.c
index c7eb5104e91a..7b18ca124978 100644
--- a/net/rxrpc/input.c
+++ b/net/rxrpc/input.c
@@ -440,6 +440,8 @@ static void rxrpc_input_ack(struct rxrpc_call *call, struct sk_buff *skb,
hard_ack = first_soft_ack - 1;
nr_acks = buf.ack.nAcks;
+ trace_rxrpc_rx_ack(call, first_soft_ack, buf.ack.reason, nr_acks);
+
_proto("Rx ACK %%%u { m=%hu f=#%u p=#%u s=%%%u r=%s n=%u }",
sp->hdr.serial,
ntohs(buf.ack.maxSkew),