forked from Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
124 lines
2.5 KiB
124 lines
2.5 KiB
// SPDX-License-Identifier: GPL-2.0 |
|
#include <linux/kernel.h> |
|
#include <linux/module.h> |
|
#include <linux/device.h> |
|
#include <linux/netdevice.h> |
|
|
|
#include <net/bonding.h> |
|
#include <net/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->mode_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->mode_lock); |
|
|
|
return 0; |
|
} |
|
DEFINE_SHOW_ATTRIBUTE(bond_debug_rlb_hash); |
|
|
|
void bond_debug_register(struct bonding *bond) |
|
{ |
|
if (!bonding_debug_root) |
|
return; |
|
|
|
bond->debug_dir = |
|
debugfs_create_dir(bond->dev->name, bonding_debug_root); |
|
|
|
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 { |
|
netdev_warn(bond->dev, "failed to reregister, so just unregister old one\n"); |
|
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 */
|
|
|