1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
|
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/device.h>
#include <linux/netdevice.h>
#include "bonding.h"
#include "bond_alb.h"
#if defined(CONFIG_DEBUG_FS) && !defined(CONFIG_NET_NS)
#include <linux/debugfs.h>
#include <linux/seq_file.h>
static struct dentry *bonding_debug_root;
/*
* Show RLB hash table
*/
static int bond_debug_rlb_hash_show(struct seq_file *m, void *v)
{
struct bonding *bond = m->private;
struct alb_bond_info *bond_info = &(BOND_ALB_INFO(bond));
struct rlb_client_info *client_info;
u32 hash_index;
if (BOND_MODE(bond) != BOND_MODE_ALB)
return 0;
seq_printf(m, "SourceIP DestinationIP "
"Destination MAC DEV\n");
spin_lock_bh(&(BOND_ALB_INFO(bond).rx_hashtbl_lock));
hash_index = bond_info->rx_hashtbl_used_head;
for (; hash_index != RLB_NULL_INDEX;
hash_index = client_info->used_next) {
client_info = &(bond_info->rx_hashtbl[hash_index]);
seq_printf(m, "%-15pI4 %-15pI4 %-17pM %s\n",
&client_info->ip_src,
&client_info->ip_dst,
&client_info->mac_dst,
client_info->slave->dev->name);
}
spin_unlock_bh(&(BOND_ALB_INFO(bond).rx_hashtbl_lock));
return 0;
}
static int bond_debug_rlb_hash_open(struct inode *inode, struct file *file)
{
return single_open(file, bond_debug_rlb_hash_show, inode->i_private);
}
static const struct file_operations bond_debug_rlb_hash_fops = {
.owner = THIS_MODULE,
.open = bond_debug_rlb_hash_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
void bond_debug_register(struct bonding *bond)
{
if (!bonding_debug_root)
return;
bond->debug_dir =
debugfs_create_dir(bond->dev->name, bonding_debug_root);
if (!bond->debug_dir) {
pr_warn("%s: Warning: failed to register to debugfs\n",
bond->dev->name);
return;
}
debugfs_create_file("rlb_hash_table", 0400, bond->debug_dir,
bond, &bond_debug_rlb_hash_fops);
}
void bond_debug_unregister(struct bonding *bond)
{
if (!bonding_debug_root)
return;
debugfs_remove_recursive(bond->debug_dir);
}
void bond_debug_reregister(struct bonding *bond)
{
struct dentry *d;
if (!bonding_debug_root)
return;
d = debugfs_rename(bonding_debug_root, bond->debug_dir,
bonding_debug_root, bond->dev->name);
if (d) {
bond->debug_dir = d;
} else {
pr_warn("%s: Warning: failed to reregister, so just unregister old one\n",
bond->dev->name);
bond_debug_unregister(bond);
}
}
void bond_create_debugfs(void)
{
bonding_debug_root = debugfs_create_dir("bonding", NULL);
if (!bonding_debug_root) {
pr_warn("Warning: Cannot create bonding directory in debugfs\n");
}
}
void bond_destroy_debugfs(void)
{
debugfs_remove_recursive(bonding_debug_root);
bonding_debug_root = NULL;
}
#else /* !CONFIG_DEBUG_FS */
void bond_debug_register(struct bonding *bond)
{
}
void bond_debug_unregister(struct bonding *bond)
{
}
void bond_debug_reregister(struct bonding *bond)
{
}
void bond_create_debugfs(void)
{
}
void bond_destroy_debugfs(void)
{
}
#endif /* CONFIG_DEBUG_FS */
|
