rxrpc: Show stats counter for received reason-0 ACKs

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: linux-afs@lists.infradead.org
Link: https://patch.msgid.link/20241204074710.990092-7-dhowells@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/net/rxrpc/proc.c b/net/rxrpc/proc.c
index 3b7e34dd4385ef330ed83def66563c7f126f6f70..cdf32f0d8e0eab981ada897649040ec121741c47 100644 (file)
--- 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]),