1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * Copyright (C) 2017, Microsoft Corporation.
4 * Copyright (c) 2025, Stefan Metzmacher
5 */
6
7 #include "smbdirect_internal.h"
8 #include <linux/seq_file.h>
9
smbdirect_connection_legacy_debug_proc_show(struct smbdirect_socket * sc,unsigned int rdma_readwrite_threshold,struct seq_file * m)10 void smbdirect_connection_legacy_debug_proc_show(struct smbdirect_socket *sc,
11 unsigned int rdma_readwrite_threshold,
12 struct seq_file *m)
13 {
14 const struct smbdirect_socket_parameters *sp;
15
16 if (!sc)
17 return;
18 sp = &sc->parameters;
19
20 seq_puts(m, "\n");
21 seq_printf(m, "SMBDirect protocol version: 0x%x ",
22 SMBDIRECT_V1);
23 seq_printf(m, "transport status: %s (%u)",
24 smbdirect_socket_status_string(sc->status),
25 sc->status);
26
27 seq_puts(m, "\n");
28 seq_printf(m, "Conn receive_credit_max: %u ",
29 sp->recv_credit_max);
30 seq_printf(m, "send_credit_target: %u max_send_size: %u",
31 sp->send_credit_target,
32 sp->max_send_size);
33
34 seq_puts(m, "\n");
35 seq_printf(m, "Conn max_fragmented_recv_size: %u ",
36 sp->max_fragmented_recv_size);
37 seq_printf(m, "max_fragmented_send_size: %u max_receive_size:%u",
38 sp->max_fragmented_send_size,
39 sp->max_recv_size);
40
41 seq_puts(m, "\n");
42 seq_printf(m, "Conn keep_alive_interval: %u ",
43 sp->keepalive_interval_msec * 1000);
44 seq_printf(m, "max_readwrite_size: %u rdma_readwrite_threshold: %u",
45 sp->max_read_write_size,
46 rdma_readwrite_threshold);
47
48 seq_puts(m, "\n");
49 seq_printf(m, "Debug count_get_receive_buffer: %llu ",
50 sc->statistics.get_receive_buffer);
51 seq_printf(m, "count_put_receive_buffer: %llu count_send_empty: %llu",
52 sc->statistics.put_receive_buffer,
53 sc->statistics.send_empty);
54
55 seq_puts(m, "\n");
56 seq_printf(m, "Read Queue count_enqueue_reassembly_queue: %llu ",
57 sc->statistics.enqueue_reassembly_queue);
58 seq_printf(m, "count_dequeue_reassembly_queue: %llu ",
59 sc->statistics.dequeue_reassembly_queue);
60 seq_printf(m, "reassembly_data_length: %u ",
61 sc->recv_io.reassembly.data_length);
62 seq_printf(m, "reassembly_queue_length: %u",
63 sc->recv_io.reassembly.queue_length);
64
65 seq_puts(m, "\n");
66 seq_printf(m, "Current Credits send_credits: %u ",
67 atomic_read(&sc->send_io.credits.count));
68 seq_printf(m, "receive_credits: %u receive_credit_target: %u",
69 atomic_read(&sc->recv_io.credits.count),
70 sc->recv_io.credits.target);
71
72 seq_puts(m, "\n");
73 seq_printf(m, "Pending send_pending: %u ",
74 atomic_read(&sc->send_io.pending.count));
75
76 seq_puts(m, "\n");
77 seq_printf(m, "MR responder_resources: %u ",
78 sp->responder_resources);
79 seq_printf(m, "max_frmr_depth: %u mr_type: 0x%x",
80 sp->max_frmr_depth,
81 sc->mr_io.type);
82
83 seq_puts(m, "\n");
84 seq_printf(m, "MR mr_ready_count: %u mr_used_count: %u",
85 atomic_read(&sc->mr_io.ready.count),
86 atomic_read(&sc->mr_io.used.count));
87 }
88 __SMBDIRECT_EXPORT_SYMBOL__(smbdirect_connection_legacy_debug_proc_show);
89