[PATCH net-next v2 06/39] rxrpc: Show stats counter for received reason-0 ACKs

[David Howells <dhowells@redhat.com>]

In /proc/net/rxrpc/stats, show the stats counter for received ACKs that
have the reason code set to 0 as some implementations do this.

Signed-off-by: David Howells <dhowells@redhat.com>
cc: Marc Dionne <marc.dionne@auristor.com>
cc: "David S. Miller" <davem@davemloft.net>
cc: Eric Dumazet <edumazet@google.com>
cc: Jakub Kicinski <kuba@kernel.org>
cc: Paolo Abeni <pabeni@redhat.com>
cc: linux-afs@lists.infradead.org
cc: netdev@vger.kernel.org
---
 net/rxrpc/proc.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/net/rxrpc/proc.c b/net/rxrpc/proc.c
index 3b7e34dd4385..cdf32f0d8e0e 100644
--- a/net/rxrpc/proc.c
+++ b/net/rxrpc/proc.c
@@ -508,7 +508,7 @@ int rxrpc_stats_show(struct seq_file *seq, void *v)
 		   atomic_read(&rxnet->stat_tx_acks[RXRPC_ACK_DELAY]),
 		   atomic_read(&rxnet->stat_tx_acks[RXRPC_ACK_IDLE]));
 	seq_printf(seq,
-		   "Ack-Rx   : req=%u dup=%u oos=%u exw=%u nos=%u png=%u prs=%u dly=%u idl=%u\n",
+		   "Ack-Rx   : req=%u dup=%u oos=%u exw=%u nos=%u png=%u prs=%u dly=%u idl=%u z=%u\n",
 		   atomic_read(&rxnet->stat_rx_acks[RXRPC_ACK_REQUESTED]),
 		   atomic_read(&rxnet->stat_rx_acks[RXRPC_ACK_DUPLICATE]),
 		   atomic_read(&rxnet->stat_rx_acks[RXRPC_ACK_OUT_OF_SEQUENCE]),
@@ -517,7 +517,8 @@ int rxrpc_stats_show(struct seq_file *seq, void *v)
 		   atomic_read(&rxnet->stat_rx_acks[RXRPC_ACK_PING]),
 		   atomic_read(&rxnet->stat_rx_acks[RXRPC_ACK_PING_RESPONSE]),
 		   atomic_read(&rxnet->stat_rx_acks[RXRPC_ACK_DELAY]),
-		   atomic_read(&rxnet->stat_rx_acks[RXRPC_ACK_IDLE]));
+		   atomic_read(&rxnet->stat_rx_acks[RXRPC_ACK_IDLE]),
+		   atomic_read(&rxnet->stat_rx_acks[0]));
 	seq_printf(seq,
 		   "Why-Req-A: acklost=%u mrtt=%u ortt=%u\n",
 		   atomic_read(&rxnet->stat_why_req_ack[rxrpc_reqack_ack_lost]),