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1// SPDX-License-Identifier: GPL-2.0
2#include <linux/kernel.h>
3#include <linux/module.h>
4#include <linux/device.h>
5#include <linux/netdevice.h>
6
7#include <net/bonding.h>
8#include <net/bond_alb.h>
9
10#if defined(CONFIG_DEBUG_FS) && !defined(CONFIG_NET_NS)
11
12#include <linux/debugfs.h>
13#include <linux/seq_file.h>
14
15static struct dentry *bonding_debug_root;
16
17/* Show RLB hash table */
18static int bond_debug_rlb_hash_show(struct seq_file *m, void *v)
19{
20 struct bonding *bond = m->private;
21 struct alb_bond_info *bond_info = &(BOND_ALB_INFO(bond));
22 struct rlb_client_info *client_info;
23 u32 hash_index;
24
25 if (BOND_MODE(bond) != BOND_MODE_ALB)
26 return 0;
27
28 seq_printf(m, "SourceIP DestinationIP "
29 "Destination MAC DEV\n");
30
31 spin_lock_bh(&bond->mode_lock);
32
33 hash_index = bond_info->rx_hashtbl_used_head;
34 for (; hash_index != RLB_NULL_INDEX;
35 hash_index = client_info->used_next) {
36 client_info = &(bond_info->rx_hashtbl[hash_index]);
37 seq_printf(m, "%-15pI4 %-15pI4 %-17pM %s\n",
38 &client_info->ip_src,
39 &client_info->ip_dst,
40 &client_info->mac_dst,
41 client_info->slave->dev->name);
42 }
43
44 spin_unlock_bh(&bond->mode_lock);
45
46 return 0;
47}
48DEFINE_SHOW_ATTRIBUTE(bond_debug_rlb_hash);
49
50void bond_debug_register(struct bonding *bond)
51{
52 bond->debug_dir =
53 debugfs_create_dir(bond->dev->name, bonding_debug_root);
54
55 debugfs_create_file("rlb_hash_table", 0400, bond->debug_dir,
56 bond, &bond_debug_rlb_hash_fops);
57}
58
59void bond_debug_unregister(struct bonding *bond)
60{
61 debugfs_remove_recursive(bond->debug_dir);
62}
63
64void bond_debug_reregister(struct bonding *bond)
65{
66 struct dentry *d;
67
68 d = debugfs_rename(bonding_debug_root, bond->debug_dir,
69 bonding_debug_root, bond->dev->name);
70 if (!IS_ERR(d)) {
71 bond->debug_dir = d;
72 } else {
73 netdev_warn(bond->dev, "failed to reregister, so just unregister old one\n");
74 bond_debug_unregister(bond);
75 }
76}
77
78void __init bond_create_debugfs(void)
79{
80 bonding_debug_root = debugfs_create_dir("bonding", NULL);
81
82 if (IS_ERR(bonding_debug_root))
83 pr_warn("Warning: Cannot create bonding directory in debugfs\n");
84}
85
86void bond_destroy_debugfs(void)
87{
88 debugfs_remove_recursive(bonding_debug_root);
89 bonding_debug_root = NULL;
90}
91
92
93#else /* !CONFIG_DEBUG_FS */
94
95void bond_debug_register(struct bonding *bond)
96{
97}
98
99void bond_debug_unregister(struct bonding *bond)
100{
101}
102
103void bond_debug_reregister(struct bonding *bond)
104{
105}
106
107void __init bond_create_debugfs(void)
108{
109}
110
111void bond_destroy_debugfs(void)
112{
113}
114
115#endif /* CONFIG_DEBUG_FS */
1// SPDX-License-Identifier: GPL-2.0
2#include <linux/kernel.h>
3#include <linux/module.h>
4#include <linux/device.h>
5#include <linux/netdevice.h>
6
7#include <net/bonding.h>
8#include <net/bond_alb.h>
9
10#if defined(CONFIG_DEBUG_FS) && !defined(CONFIG_NET_NS)
11
12#include <linux/debugfs.h>
13#include <linux/seq_file.h>
14
15static struct dentry *bonding_debug_root;
16
17/* Show RLB hash table */
18static int bond_debug_rlb_hash_show(struct seq_file *m, void *v)
19{
20 struct bonding *bond = m->private;
21 struct alb_bond_info *bond_info = &(BOND_ALB_INFO(bond));
22 struct rlb_client_info *client_info;
23 u32 hash_index;
24
25 if (BOND_MODE(bond) != BOND_MODE_ALB)
26 return 0;
27
28 seq_printf(m, "SourceIP DestinationIP "
29 "Destination MAC DEV\n");
30
31 spin_lock_bh(&bond->mode_lock);
32
33 hash_index = bond_info->rx_hashtbl_used_head;
34 for (; hash_index != RLB_NULL_INDEX;
35 hash_index = client_info->used_next) {
36 client_info = &(bond_info->rx_hashtbl[hash_index]);
37 seq_printf(m, "%-15pI4 %-15pI4 %-17pM %s\n",
38 &client_info->ip_src,
39 &client_info->ip_dst,
40 &client_info->mac_dst,
41 client_info->slave->dev->name);
42 }
43
44 spin_unlock_bh(&bond->mode_lock);
45
46 return 0;
47}
48DEFINE_SHOW_ATTRIBUTE(bond_debug_rlb_hash);
49
50void bond_debug_register(struct bonding *bond)
51{
52 if (!bonding_debug_root)
53 return;
54
55 bond->debug_dir =
56 debugfs_create_dir(bond->dev->name, bonding_debug_root);
57
58 debugfs_create_file("rlb_hash_table", 0400, bond->debug_dir,
59 bond, &bond_debug_rlb_hash_fops);
60}
61
62void bond_debug_unregister(struct bonding *bond)
63{
64 if (!bonding_debug_root)
65 return;
66
67 debugfs_remove_recursive(bond->debug_dir);
68}
69
70void bond_debug_reregister(struct bonding *bond)
71{
72 struct dentry *d;
73
74 if (!bonding_debug_root)
75 return;
76
77 d = debugfs_rename(bonding_debug_root, bond->debug_dir,
78 bonding_debug_root, bond->dev->name);
79 if (!IS_ERR(d)) {
80 bond->debug_dir = d;
81 } else {
82 netdev_warn(bond->dev, "failed to reregister, so just unregister old one\n");
83 bond_debug_unregister(bond);
84 }
85}
86
87void bond_create_debugfs(void)
88{
89 bonding_debug_root = debugfs_create_dir("bonding", NULL);
90
91 if (!bonding_debug_root)
92 pr_warn("Warning: Cannot create bonding directory in debugfs\n");
93}
94
95void bond_destroy_debugfs(void)
96{
97 debugfs_remove_recursive(bonding_debug_root);
98 bonding_debug_root = NULL;
99}
100
101
102#else /* !CONFIG_DEBUG_FS */
103
104void bond_debug_register(struct bonding *bond)
105{
106}
107
108void bond_debug_unregister(struct bonding *bond)
109{
110}
111
112void bond_debug_reregister(struct bonding *bond)
113{
114}
115
116void bond_create_debugfs(void)
117{
118}
119
120void bond_destroy_debugfs(void)
121{
122}
123
124#endif /* CONFIG_DEBUG_FS */