333 lines
9.3 KiB
C
333 lines
9.3 KiB
C
|
// SPDX-License-Identifier: GPL-2.0
|
||
|
|
#include <linux/proc_fs.h>
|
||
|
|
#include <linux/ethtool.h>
|
||
|
|
#include <linux/export.h>
|
||
|
|
#include <net/net_namespace.h>
|
||
|
|
#include <net/netns/generic.h>
|
||
|
|
#include <net/bonding.h>
|
||
|
|
|
||
|
|
#include "bonding_priv.h"
|
||
|
|
|
||
|
|
static void *bond_info_seq_start(struct seq_file *seq, loff_t *pos)
|
||
|
|
__acquires(RCU)
|
||
|
|
{
|
||
|
|
struct bonding *bond = pde_data(file_inode(seq->file));
|
||
|
|
struct list_head *iter;
|
||
|
|
struct slave *slave;
|
||
|
|
loff_t off = 0;
|
||
|
|
|
||
|
|
rcu_read_lock();
|
||
|
|
|
||
|
|
if (*pos == 0)
|
||
|
|
return SEQ_START_TOKEN;
|
||
|
|
|
||
|
|
bond_for_each_slave_rcu(bond, slave, iter)
|
||
|
|
if (++off == *pos)
|
||
|
|
return slave;
|
||
|
|
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void *bond_info_seq_next(struct seq_file *seq, void *v, loff_t *pos)
|
||
|
|
{
|
||
|
|
struct bonding *bond = pde_data(file_inode(seq->file));
|
||
|
|
struct list_head *iter;
|
||
|
|
struct slave *slave;
|
||
|
|
bool found = false;
|
||
|
|
|
||
|
|
++*pos;
|
||
|
|
if (v == SEQ_START_TOKEN)
|
||
|
|
return bond_first_slave_rcu(bond);
|
||
|
|
|
||
|
|
bond_for_each_slave_rcu(bond, slave, iter) {
|
||
|
|
if (found)
|
||
|
|
return slave;
|
||
|
|
if (slave == v)
|
||
|
|
found = true;
|
||
|
|
}
|
||
|
|
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void bond_info_seq_stop(struct seq_file *seq, void *v)
|
||
|
|
__releases(RCU)
|
||
|
|
{
|
||
|
|
rcu_read_unlock();
|
||
|
|
}
|
||
|
|
|
||
|
|
static void bond_info_show_master(struct seq_file *seq)
|
||
|
|
{
|
||
|
|
struct bonding *bond = pde_data(file_inode(seq->file));
|
||
|
|
const struct bond_opt_value *optval;
|
||
|
|
struct slave *curr, *primary;
|
||
|
|
int i;
|
||
|
|
|
||
|
|
curr = rcu_dereference(bond->curr_active_slave);
|
||
|
|
|
||
|
|
seq_printf(seq, "Bonding Mode: %s",
|
||
|
|
bond_mode_name(BOND_MODE(bond)));
|
||
|
|
|
||
|
|
if (BOND_MODE(bond) == BOND_MODE_ACTIVEBACKUP &&
|
||
|
|
bond->params.fail_over_mac) {
|
||
|
|
optval = bond_opt_get_val(BOND_OPT_FAIL_OVER_MAC,
|
||
|
|
bond->params.fail_over_mac);
|
||
|
|
seq_printf(seq, " (fail_over_mac %s)", optval->string);
|
||
|
|
}
|
||
|
|
|
||
|
|
seq_printf(seq, "\n");
|
||
|
|
|
||
|
|
if (bond_mode_uses_xmit_hash(bond)) {
|
||
|
|
optval = bond_opt_get_val(BOND_OPT_XMIT_HASH,
|
||
|
|
bond->params.xmit_policy);
|
||
|
|
seq_printf(seq, "Transmit Hash Policy: %s (%d)\n",
|
||
|
|
optval->string, bond->params.xmit_policy);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (bond_uses_primary(bond)) {
|
||
|
|
primary = rcu_dereference(bond->primary_slave);
|
||
|
|
seq_printf(seq, "Primary Slave: %s",
|
||
|
|
primary ? primary->dev->name : "None");
|
||
|
|
if (primary) {
|
||
|
|
optval = bond_opt_get_val(BOND_OPT_PRIMARY_RESELECT,
|
||
|
|
bond->params.primary_reselect);
|
||
|
|
seq_printf(seq, " (primary_reselect %s)",
|
||
|
|
optval->string);
|
||
|
|
}
|
||
|
|
|
||
|
|
seq_printf(seq, "\nCurrently Active Slave: %s\n",
|
||
|
|
(curr) ? curr->dev->name : "None");
|
||
|
|
}
|
||
|
|
|
||
|
|
seq_printf(seq, "MII Status: %s\n", netif_carrier_ok(bond->dev) ?
|
||
|
|
"up" : "down");
|
||
|
|
seq_printf(seq, "MII Polling Interval (ms): %d\n", bond->params.miimon);
|
||
|
|
seq_printf(seq, "Up Delay (ms): %d\n",
|
||
|
|
bond->params.updelay * bond->params.miimon);
|
||
|
|
seq_printf(seq, "Down Delay (ms): %d\n",
|
||
|
|
bond->params.downdelay * bond->params.miimon);
|
||
|
|
seq_printf(seq, "Peer Notification Delay (ms): %d\n",
|
||
|
|
bond->params.peer_notif_delay * bond->params.miimon);
|
||
|
|
|
||
|
|
|
||
|
|
/* ARP information */
|
||
|
|
if (bond->params.arp_interval > 0) {
|
||
|
|
int printed = 0;
|
||
|
|
|
||
|
|
seq_printf(seq, "ARP Polling Interval (ms): %d\n",
|
||
|
|
bond->params.arp_interval);
|
||
|
|
seq_printf(seq, "ARP Missed Max: %u\n",
|
||
|
|
bond->params.missed_max);
|
||
|
|
|
||
|
|
seq_printf(seq, "ARP IP target/s (n.n.n.n form):");
|
||
|
|
|
||
|
|
for (i = 0; (i < BOND_MAX_ARP_TARGETS); i++) {
|
||
|
|
if (!bond->params.arp_targets[i])
|
||
|
|
break;
|
||
|
|
if (printed)
|
||
|
|
seq_printf(seq, ",");
|
||
|
|
seq_printf(seq, " %pI4", &bond->params.arp_targets[i]);
|
||
|
|
printed = 1;
|
||
|
|
}
|
||
|
|
seq_printf(seq, "\n");
|
||
|
|
|
||
|
|
#if IS_ENABLED(CONFIG_IPV6)
|
||
|
|
printed = 0;
|
||
|
|
seq_printf(seq, "NS IPv6 target/s (xx::xx form):");
|
||
|
|
|
||
|
|
for (i = 0; (i < BOND_MAX_NS_TARGETS); i++) {
|
||
|
|
if (ipv6_addr_any(&bond->params.ns_targets[i]))
|
||
|
|
break;
|
||
|
|
if (printed)
|
||
|
|
seq_printf(seq, ",");
|
||
|
|
seq_printf(seq, " %pI6c", &bond->params.ns_targets[i]);
|
||
|
|
printed = 1;
|
||
|
|
}
|
||
|
|
seq_printf(seq, "\n");
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
|
||
|
|
if (BOND_MODE(bond) == BOND_MODE_8023AD) {
|
||
|
|
struct ad_info ad_info;
|
||
|
|
|
||
|
|
seq_puts(seq, "\n802.3ad info\n");
|
||
|
|
seq_printf(seq, "LACP active: %s\n",
|
||
|
|
(bond->params.lacp_active) ? "on" : "off");
|
||
|
|
seq_printf(seq, "LACP rate: %s\n",
|
||
|
|
(bond->params.lacp_fast) ? "fast" : "slow");
|
||
|
|
seq_printf(seq, "Min links: %d\n", bond->params.min_links);
|
||
|
|
optval = bond_opt_get_val(BOND_OPT_AD_SELECT,
|
||
|
|
bond->params.ad_select);
|
||
|
|
seq_printf(seq, "Aggregator selection policy (ad_select): %s\n",
|
||
|
|
optval->string);
|
||
|
|
if (capable(CAP_NET_ADMIN)) {
|
||
|
|
seq_printf(seq, "System priority: %d\n",
|
||
|
|
BOND_AD_INFO(bond).system.sys_priority);
|
||
|
|
seq_printf(seq, "System MAC address: %pM\n",
|
||
|
|
&BOND_AD_INFO(bond).system.sys_mac_addr);
|
||
|
|
|
||
|
|
if (__bond_3ad_get_active_agg_info(bond, &ad_info)) {
|
||
|
|
seq_printf(seq,
|
||
|
|
"bond %s has no active aggregator\n",
|
||
|
|
bond->dev->name);
|
||
|
|
} else {
|
||
|
|
seq_printf(seq, "Active Aggregator Info:\n");
|
||
|
|
|
||
|
|
seq_printf(seq, "\tAggregator ID: %d\n",
|
||
|
|
ad_info.aggregator_id);
|
||
|
|
seq_printf(seq, "\tNumber of ports: %d\n",
|
||
|
|
ad_info.ports);
|
||
|
|
seq_printf(seq, "\tActor Key: %d\n",
|
||
|
|
ad_info.actor_key);
|
||
|
|
seq_printf(seq, "\tPartner Key: %d\n",
|
||
|
|
ad_info.partner_key);
|
||
|
|
seq_printf(seq, "\tPartner Mac Address: %pM\n",
|
||
|
|
ad_info.partner_system);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static void bond_info_show_slave(struct seq_file *seq,
|
||
|
|
const struct slave *slave)
|
||
|
|
{
|
||
|
|
struct bonding *bond = pde_data(file_inode(seq->file));
|
||
|
|
|
||
|
|
seq_printf(seq, "\nSlave Interface: %s\n", slave->dev->name);
|
||
|
|
seq_printf(seq, "MII Status: %s\n", bond_slave_link_status(slave->link));
|
||
|
|
if (slave->speed == SPEED_UNKNOWN)
|
||
|
|
seq_printf(seq, "Speed: %s\n", "Unknown");
|
||
|
|
else
|
||
|
|
seq_printf(seq, "Speed: %d Mbps\n", slave->speed);
|
||
|
|
|
||
|
|
if (slave->duplex == DUPLEX_UNKNOWN)
|
||
|
|
seq_printf(seq, "Duplex: %s\n", "Unknown");
|
||
|
|
else
|
||
|
|
seq_printf(seq, "Duplex: %s\n", slave->duplex ? "full" : "half");
|
||
|
|
|
||
|
|
seq_printf(seq, "Link Failure Count: %u\n",
|
||
|
|
slave->link_failure_count);
|
||
|
|
|
||
|
|
seq_printf(seq, "Permanent HW addr: %*phC\n",
|
||
|
|
slave->dev->addr_len, slave->perm_hwaddr);
|
||
|
|
seq_printf(seq, "Slave queue ID: %d\n", slave->queue_id);
|
||
|
|
|
||
|
|
if (BOND_MODE(bond) == BOND_MODE_8023AD) {
|
||
|
|
const struct port *port = &SLAVE_AD_INFO(slave)->port;
|
||
|
|
const struct aggregator *agg = port->aggregator;
|
||
|
|
|
||
|
|
if (agg) {
|
||
|
|
seq_printf(seq, "Aggregator ID: %d\n",
|
||
|
|
agg->aggregator_identifier);
|
||
|
|
seq_printf(seq, "Actor Churn State: %s\n",
|
||
|
|
bond_3ad_churn_desc(port->sm_churn_actor_state));
|
||
|
|
seq_printf(seq, "Partner Churn State: %s\n",
|
||
|
|
bond_3ad_churn_desc(port->sm_churn_partner_state));
|
||
|
|
seq_printf(seq, "Actor Churned Count: %d\n",
|
||
|
|
port->churn_actor_count);
|
||
|
|
seq_printf(seq, "Partner Churned Count: %d\n",
|
||
|
|
port->churn_partner_count);
|
||
|
|
|
||
|
|
if (capable(CAP_NET_ADMIN)) {
|
||
|
|
seq_puts(seq, "details actor lacp pdu:\n");
|
||
|
|
seq_printf(seq, " system priority: %d\n",
|
||
|
|
port->actor_system_priority);
|
||
|
|
seq_printf(seq, " system mac address: %pM\n",
|
||
|
|
&port->actor_system);
|
||
|
|
seq_printf(seq, " port key: %d\n",
|
||
|
|
port->actor_oper_port_key);
|
||
|
|
seq_printf(seq, " port priority: %d\n",
|
||
|
|
port->actor_port_priority);
|
||
|
|
seq_printf(seq, " port number: %d\n",
|
||
|
|
port->actor_port_number);
|
||
|
|
seq_printf(seq, " port state: %d\n",
|
||
|
|
port->actor_oper_port_state);
|
||
|
|
|
||
|
|
seq_puts(seq, "details partner lacp pdu:\n");
|
||
|
|
seq_printf(seq, " system priority: %d\n",
|
||
|
|
port->partner_oper.system_priority);
|
||
|
|
seq_printf(seq, " system mac address: %pM\n",
|
||
|
|
&port->partner_oper.system);
|
||
|
|
seq_printf(seq, " oper key: %d\n",
|
||
|
|
port->partner_oper.key);
|
||
|
|
seq_printf(seq, " port priority: %d\n",
|
||
|
|
port->partner_oper.port_priority);
|
||
|
|
seq_printf(seq, " port number: %d\n",
|
||
|
|
port->partner_oper.port_number);
|
||
|
|
seq_printf(seq, " port state: %d\n",
|
||
|
|
port->partner_oper.port_state);
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
seq_puts(seq, "Aggregator ID: N/A\n");
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static int bond_info_seq_show(struct seq_file *seq, void *v)
|
||
|
|
{
|
||
|
|
if (v == SEQ_START_TOKEN) {
|
||
|
|
seq_printf(seq, "%s\n", bond_version);
|
||
|
|
bond_info_show_master(seq);
|
||
|
|
} else
|
||
|
|
bond_info_show_slave(seq, v);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static const struct seq_operations bond_info_seq_ops = {
|
||
|
|
.start = bond_info_seq_start,
|
||
|
|
.next = bond_info_seq_next,
|
||
|
|
.stop = bond_info_seq_stop,
|
||
|
|
.show = bond_info_seq_show,
|
||
|
|
};
|
||
|
|
|
||
|
|
void bond_create_proc_entry(struct bonding *bond)
|
||
|
|
{
|
||
|
|
struct net_device *bond_dev = bond->dev;
|
||
|
|
struct bond_net *bn = net_generic(dev_net(bond_dev), bond_net_id);
|
||
|
|
|
||
|
|
if (bn->proc_dir) {
|
||
|
|
bond->proc_entry = proc_create_seq_data(bond_dev->name, 0444,
|
||
|
|
bn->proc_dir, &bond_info_seq_ops, bond);
|
||
|
|
if (bond->proc_entry == NULL)
|
||
|
|
netdev_warn(bond_dev, "Cannot create /proc/net/%s/%s\n",
|
||
|
|
DRV_NAME, bond_dev->name);
|
||
|
|
else
|
||
|
|
memcpy(bond->proc_file_name, bond_dev->name, IFNAMSIZ);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void bond_remove_proc_entry(struct bonding *bond)
|
||
|
|
{
|
||
|
|
struct net_device *bond_dev = bond->dev;
|
||
|
|
struct bond_net *bn = net_generic(dev_net(bond_dev), bond_net_id);
|
||
|
|
|
||
|
|
if (bn->proc_dir && bond->proc_entry) {
|
||
|
|
remove_proc_entry(bond->proc_file_name, bn->proc_dir);
|
||
|
|
memset(bond->proc_file_name, 0, IFNAMSIZ);
|
||
|
|
bond->proc_entry = NULL;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Create the bonding directory under /proc/net, if doesn't exist yet.
|
||
|
|
* Caller must hold rtnl_lock.
|
||
|
|
*/
|
||
|
|
void __net_init bond_create_proc_dir(struct bond_net *bn)
|
||
|
|
{
|
||
|
|
if (!bn->proc_dir) {
|
||
|
|
bn->proc_dir = proc_mkdir(DRV_NAME, bn->net->proc_net);
|
||
|
|
if (!bn->proc_dir)
|
||
|
|
pr_warn("Warning: Cannot create /proc/net/%s\n",
|
||
|
|
DRV_NAME);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Destroy the bonding directory under /proc/net, if empty.
|
||
|
|
*/
|
||
|
|
void __net_exit bond_destroy_proc_dir(struct bond_net *bn)
|
||
|
|
{
|
||
|
|
if (bn->proc_dir) {
|
||
|
|
remove_proc_entry(DRV_NAME, bn->net->proc_net);
|
||
|
|
bn->proc_dir = NULL;
|
||
|
|
}
|
||
|
|
}
|