diff options
| -rw-r--r-- | drivers/net/bonding/Makefile | 2 | ||||
| -rw-r--r-- | drivers/net/bonding/bond_main.c | 27 | ||||
| -rw-r--r-- | drivers/net/bonding/bond_procfs.c | 12 | ||||
| -rw-r--r-- | drivers/net/bonding/bond_sysfs_slave.c | 144 | ||||
| -rw-r--r-- | drivers/net/bonding/bonding.h | 4 |
5 files changed, 176 insertions, 13 deletions
diff --git a/drivers/net/bonding/Makefile b/drivers/net/bonding/Makefile index 5a5d720da929..6f4e80853ed4 100644 --- a/drivers/net/bonding/Makefile +++ b/drivers/net/bonding/Makefile @@ -4,7 +4,7 @@ obj-$(CONFIG_BONDING) += bonding.o -bonding-objs := bond_main.o bond_3ad.o bond_alb.o bond_sysfs.o bond_debugfs.o bond_netlink.o bond_options.o +bonding-objs := bond_main.o bond_3ad.o bond_alb.o bond_sysfs.o bond_sysfs_slave.o bond_debugfs.o bond_netlink.o bond_options.o proc-$(CONFIG_PROC_FS) += bond_procfs.o bonding-objs += $(proc-y) diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index f00dd45b0308..df85cec3e5d9 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -466,6 +466,22 @@ static void bond_update_speed_duplex(struct slave *slave) return; } +const char *bond_slave_link_status(s8 link) +{ + switch (link) { + case BOND_LINK_UP: + return "up"; + case BOND_LINK_FAIL: + return "going down"; + case BOND_LINK_DOWN: + return "down"; + case BOND_LINK_BACK: + return "going back"; + default: + return "unknown"; + } +} + /* * if <dev> supports MII link status reporting, check its link status. * @@ -1576,6 +1592,12 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev) goto err_unregister; } + res = bond_sysfs_slave_add(new_slave); + if (res) { + pr_debug("Error %d calling bond_sysfs_slave_add\n", res); + goto err_upper_unlink; + } + bond->slave_cnt++; bond_compute_features(bond); bond_set_carrier(bond); @@ -1595,6 +1617,9 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev) return 0; /* Undo stages on error */ +err_upper_unlink: + bond_upper_dev_unlink(bond_dev, slave_dev); + err_unregister: netdev_rx_handler_unregister(slave_dev); @@ -1687,6 +1712,8 @@ static int __bond_release_one(struct net_device *bond_dev, /* release the slave from its bond */ bond->slave_cnt--; + bond_sysfs_slave_del(slave); + bond_upper_dev_unlink(bond_dev, slave_dev); /* unregister rx_handler early so bond_handle_frame wouldn't be called * for this slave anymore. diff --git a/drivers/net/bonding/bond_procfs.c b/drivers/net/bonding/bond_procfs.c index fb868d6c22da..8515b3442583 100644 --- a/drivers/net/bonding/bond_procfs.c +++ b/drivers/net/bonding/bond_procfs.c @@ -159,18 +159,6 @@ static void bond_info_show_master(struct seq_file *seq) } } -static const char *bond_slave_link_status(s8 link) -{ - static const char * const status[] = { - [BOND_LINK_UP] = "up", - [BOND_LINK_FAIL] = "going down", - [BOND_LINK_DOWN] = "down", - [BOND_LINK_BACK] = "going back", - }; - - return status[link]; -} - static void bond_info_show_slave(struct seq_file *seq, const struct slave *slave) { diff --git a/drivers/net/bonding/bond_sysfs_slave.c b/drivers/net/bonding/bond_sysfs_slave.c new file mode 100644 index 000000000000..7cb97de3cf63 --- /dev/null +++ b/drivers/net/bonding/bond_sysfs_slave.c @@ -0,0 +1,144 @@ +/* Sysfs attributes of bond slaves + * + * Copyright (c) 2014 Scott Feldman <sfeldma@cumulusnetworks.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + +#include <linux/capability.h> +#include <linux/kernel.h> +#include <linux/netdevice.h> + +#include "bonding.h" + +struct slave_attribute { + struct attribute attr; + ssize_t (*show)(struct slave *, char *); +}; + +#define SLAVE_ATTR(_name, _mode, _show) \ +const struct slave_attribute slave_attr_##_name = { \ + .attr = {.name = __stringify(_name), \ + .mode = _mode }, \ + .show = _show, \ +}; +#define SLAVE_ATTR_RO(_name) \ + SLAVE_ATTR(_name, S_IRUGO, _name##_show) + +static ssize_t state_show(struct slave *slave, char *buf) +{ + switch (bond_slave_state(slave)) { + case BOND_STATE_ACTIVE: + return sprintf(buf, "active\n"); + case BOND_STATE_BACKUP: + return sprintf(buf, "backup\n"); + default: + return sprintf(buf, "UNKONWN\n"); + } +} +static SLAVE_ATTR_RO(state); + +static ssize_t mii_status_show(struct slave *slave, char *buf) +{ + return sprintf(buf, "%s\n", bond_slave_link_status(slave->link)); +} +static SLAVE_ATTR_RO(mii_status); + +static ssize_t link_failure_count_show(struct slave *slave, char *buf) +{ + return sprintf(buf, "%d\n", slave->link_failure_count); +} +static SLAVE_ATTR_RO(link_failure_count); + +static ssize_t perm_hwaddr_show(struct slave *slave, char *buf) +{ + return sprintf(buf, "%pM\n", slave->perm_hwaddr); +} +static SLAVE_ATTR_RO(perm_hwaddr); + +static ssize_t queue_id_show(struct slave *slave, char *buf) +{ + return sprintf(buf, "%d\n", slave->queue_id); +} +static SLAVE_ATTR_RO(queue_id); + +static ssize_t ad_aggregator_id_show(struct slave *slave, char *buf) +{ + const struct aggregator *agg; + + if (slave->bond->params.mode == BOND_MODE_8023AD) { + agg = SLAVE_AD_INFO(slave).port.aggregator; + if (agg) + return sprintf(buf, "%d\n", + agg->aggregator_identifier); + } + + return sprintf(buf, "N/A\n"); +} +static SLAVE_ATTR_RO(ad_aggregator_id); + +static const struct slave_attribute *slave_attrs[] = { + &slave_attr_state, + &slave_attr_mii_status, + &slave_attr_link_failure_count, + &slave_attr_perm_hwaddr, + &slave_attr_queue_id, + &slave_attr_ad_aggregator_id, + NULL +}; + +#define to_slave_attr(_at) container_of(_at, struct slave_attribute, attr) +#define to_slave(obj) container_of(obj, struct slave, kobj) + +static ssize_t slave_show(struct kobject *kobj, + struct attribute *attr, char *buf) +{ + struct slave_attribute *slave_attr = to_slave_attr(attr); + struct slave *slave = to_slave(kobj); + + return slave_attr->show(slave, buf); +} + +const struct sysfs_ops slave_sysfs_ops = { + .show = slave_show, +}; + +static struct kobj_type slave_ktype = { +#ifdef CONFIG_SYSFS + .sysfs_ops = &slave_sysfs_ops, +#endif +}; + +int bond_sysfs_slave_add(struct slave *slave) +{ + const struct slave_attribute **a; + int err; + + err = kobject_init_and_add(&slave->kobj, &slave_ktype, + &(slave->dev->dev.kobj), "slave"); + if (err) + return err; + + for (a = slave_attrs; *a; ++a) { + err = sysfs_create_file(&slave->kobj, &((*a)->attr)); + if (err) { + kobject_del(&slave->kobj); + return err; + } + } + + return 0; +} + +void bond_sysfs_slave_del(struct slave *slave) +{ + const struct slave_attribute **a; + + for (a = slave_attrs; *a; ++a) + sysfs_remove_file(&slave->kobj, &((*a)->attr)); + + kobject_del(&slave->kobj); +} diff --git a/drivers/net/bonding/bonding.h b/drivers/net/bonding/bonding.h index 955dc4839f1d..309757d8482b 100644 --- a/drivers/net/bonding/bonding.h +++ b/drivers/net/bonding/bonding.h @@ -203,6 +203,7 @@ struct slave { #ifdef CONFIG_NET_POLL_CONTROLLER struct netpoll *np; #endif + struct kobject kobj; }; /* @@ -421,6 +422,8 @@ int bond_create(struct net *net, const char *name); int bond_create_sysfs(struct bond_net *net); void bond_destroy_sysfs(struct bond_net *net); void bond_prepare_sysfs_group(struct bonding *bond); +int bond_sysfs_slave_add(struct slave *slave); +void bond_sysfs_slave_del(struct slave *slave); int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev); int bond_release(struct net_device *bond_dev, struct net_device *slave_dev); int bond_xmit_hash(struct bonding *bond, struct sk_buff *skb, int count); @@ -469,6 +472,7 @@ int bond_option_lacp_rate_set(struct bonding *bond, int lacp_rate); int bond_option_ad_select_set(struct bonding *bond, int ad_select); struct net_device *bond_option_active_slave_get_rcu(struct bonding *bond); struct net_device *bond_option_active_slave_get(struct bonding *bond); +const char *bond_slave_link_status(s8 link); struct bond_net { struct net * net; /* Associated network namespace */ |
