diff options
| author | David Howells <dhowells@redhat.com> | 2024-12-04 07:46:35 +0000 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2024-12-09 13:48:24 -0800 |
| commit | 8b5823ea437624b53ecf084b6dd582760f110394 (patch) | |
| tree | 72bd79b0fb85b519cfff42fa3d0e6b9b99250ac3 /net/rxrpc/proc.c | |
| parent | ff992adbc470c86d2dcb66f5ed837fbb3c1a561e (diff) | |
rxrpc: Request an ACK on impending Tx stall
Set the REQUEST-ACK flag on the DATA packet we're about to send if we're
about to stall transmission because the app layer isn't keeping up
supplying us with data to transmit.
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/20241204074710.990092-8-dhowells@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/rxrpc/proc.c')
| -rw-r--r-- | net/rxrpc/proc.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/net/rxrpc/proc.c b/net/rxrpc/proc.c index cdf32f0d8e0e..ce4d48bdfbe9 100644 --- a/net/rxrpc/proc.c +++ b/net/rxrpc/proc.c @@ -520,10 +520,11 @@ int rxrpc_stats_show(struct seq_file *seq, void *v) 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", + "Why-Req-A: acklost=%u mrtt=%u ortt=%u stall=%u\n", atomic_read(&rxnet->stat_why_req_ack[rxrpc_reqack_ack_lost]), atomic_read(&rxnet->stat_why_req_ack[rxrpc_reqack_more_rtt]), - atomic_read(&rxnet->stat_why_req_ack[rxrpc_reqack_old_rtt])); + atomic_read(&rxnet->stat_why_req_ack[rxrpc_reqack_old_rtt]), + atomic_read(&rxnet->stat_why_req_ack[rxrpc_reqack_app_stall])); seq_printf(seq, "Why-Req-A: nolast=%u retx=%u slows=%u smtxw=%u\n", atomic_read(&rxnet->stat_why_req_ack[rxrpc_reqack_no_srv_last]), |