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smb: smbdirect: introduce smbdirect_connection_legacy_debug_proc_show()

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This will be used by the client in order to keep the debug output
in the current way without the need to access struct smbdirect_socket
internals.

Cc: Steve French <smfrench@gmail.com>
Cc: Tom Talpey <tom@talpey.com>
Cc: Long Li <longli@microsoft.com>
Cc: Namjae Jeon <linkinjeon@kernel.org>
Cc: linux-cifs@vger.kernel.org
Cc: samba-technical@lists.samba.org
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Acked-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
This commit is contained in:
Stefan Metzmacher 2025-10-21 20:55:38 +02:00 committed by Steve French
parent b183b7b9b5
commit a93b68d46e
2 changed files with 89 additions and 0 deletions
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1
fs/smb/common/smbdirect/smbdirect_all_c_files.c
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@ -19,3 +19,4 @@
#include "smbdirect_connection.c"
#include "smbdirect_mr.c"
#include "smbdirect_rw.c"
#include "smbdirect_debug.c"

88
fs/smb/common/smbdirect/smbdirect_debug.c Normal file
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@ -0,0 +1,88 @@
// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (C) 2017, Microsoft Corporation.
* Copyright (c) 2025, Stefan Metzmacher
*/
#include "smbdirect_internal.h"
#include <linux/seq_file.h>
__maybe_unused /* this is temporary while this file is included in others */
static void smbdirect_connection_legacy_debug_proc_show(struct smbdirect_socket *sc,
unsigned int rdma_readwrite_threshold,
struct seq_file *m)
{
const struct smbdirect_socket_parameters *sp;
if (!sc)
return;
sp = &sc->parameters;
seq_puts(m, "\n");
seq_printf(m, "SMBDirect protocol version: 0x%x ",
SMBDIRECT_V1);
seq_printf(m, "transport status: %s (%u)",
smbdirect_socket_status_string(sc->status),
sc->status);
seq_puts(m, "\n");
seq_printf(m, "Conn receive_credit_max: %u ",
sp->recv_credit_max);
seq_printf(m, "send_credit_target: %u max_send_size: %u",
sp->send_credit_target,
sp->max_send_size);
seq_puts(m, "\n");
seq_printf(m, "Conn max_fragmented_recv_size: %u ",
sp->max_fragmented_recv_size);
seq_printf(m, "max_fragmented_send_size: %u max_receive_size:%u",
sp->max_fragmented_send_size,
sp->max_recv_size);
seq_puts(m, "\n");
seq_printf(m, "Conn keep_alive_interval: %u ",
sp->keepalive_interval_msec * 1000);
seq_printf(m, "max_readwrite_size: %u rdma_readwrite_threshold: %u",
sp->max_read_write_size,
rdma_readwrite_threshold);
seq_puts(m, "\n");
seq_printf(m, "Debug count_get_receive_buffer: %llu ",
sc->statistics.get_receive_buffer);
seq_printf(m, "count_put_receive_buffer: %llu count_send_empty: %llu",
sc->statistics.put_receive_buffer,
sc->statistics.send_empty);
seq_puts(m, "\n");
seq_printf(m, "Read Queue count_enqueue_reassembly_queue: %llu ",
sc->statistics.enqueue_reassembly_queue);
seq_printf(m, "count_dequeue_reassembly_queue: %llu ",
sc->statistics.dequeue_reassembly_queue);
seq_printf(m, "reassembly_data_length: %u ",
sc->recv_io.reassembly.data_length);
seq_printf(m, "reassembly_queue_length: %u",
sc->recv_io.reassembly.queue_length);
seq_puts(m, "\n");
seq_printf(m, "Current Credits send_credits: %u ",
atomic_read(&sc->send_io.credits.count));
seq_printf(m, "receive_credits: %u receive_credit_target: %u",
atomic_read(&sc->recv_io.credits.count),
sc->recv_io.credits.target);
seq_puts(m, "\n");
seq_printf(m, "Pending send_pending: %u ",
atomic_read(&sc->send_io.pending.count));
seq_puts(m, "\n");
seq_printf(m, "MR responder_resources: %u ",
sp->responder_resources);
seq_printf(m, "max_frmr_depth: %u mr_type: 0x%x",
sp->max_frmr_depth,
sc->mr_io.type);
seq_puts(m, "\n");
seq_printf(m, "MR mr_ready_count: %u mr_used_count: %u",
atomic_read(&sc->mr_io.ready.count),
atomic_read(&sc->mr_io.used.count));
}