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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/net/bonding/bond_sysfs_slave.c | |
parent | Initial commit. (diff) | |
download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip |
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/net/bonding/bond_sysfs_slave.c')
-rw-r--r-- | drivers/net/bonding/bond_sysfs_slave.c | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/drivers/net/bonding/bond_sysfs_slave.c b/drivers/net/bonding/bond_sysfs_slave.c new file mode 100644 index 000000000..313866f2c --- /dev/null +++ b/drivers/net/bonding/bond_sysfs_slave.c @@ -0,0 +1,140 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* Sysfs attributes of bond slaves + * + * Copyright (c) 2014 Scott Feldman <sfeldma@cumulusnetworks.com> + */ + +#include <linux/capability.h> +#include <linux/kernel.h> +#include <linux/netdevice.h> + +#include <net/bonding.h> + +struct slave_attribute { + struct attribute attr; + ssize_t (*show)(struct slave *, char *); +}; + +#define SLAVE_ATTR_RO(_name) \ +const struct slave_attribute slave_attr_##_name = __ATTR_RO(_name) + +static ssize_t state_show(struct slave *slave, char *buf) +{ + switch (bond_slave_state(slave)) { + case BOND_STATE_ACTIVE: + return sysfs_emit(buf, "active\n"); + case BOND_STATE_BACKUP: + return sysfs_emit(buf, "backup\n"); + default: + return sysfs_emit(buf, "UNKNOWN\n"); + } +} +static SLAVE_ATTR_RO(state); + +static ssize_t mii_status_show(struct slave *slave, char *buf) +{ + return sysfs_emit(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 sysfs_emit(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 sysfs_emit(buf, "%*phC\n", + slave->dev->addr_len, + slave->perm_hwaddr); +} +static SLAVE_ATTR_RO(perm_hwaddr); + +static ssize_t queue_id_show(struct slave *slave, char *buf) +{ + return sysfs_emit(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 (BOND_MODE(slave->bond) == BOND_MODE_8023AD) { + agg = SLAVE_AD_INFO(slave)->port.aggregator; + if (agg) + return sysfs_emit(buf, "%d\n", + agg->aggregator_identifier); + } + + return sysfs_emit(buf, "N/A\n"); +} +static SLAVE_ATTR_RO(ad_aggregator_id); + +static ssize_t ad_actor_oper_port_state_show(struct slave *slave, char *buf) +{ + const struct port *ad_port; + + if (BOND_MODE(slave->bond) == BOND_MODE_8023AD) { + ad_port = &SLAVE_AD_INFO(slave)->port; + if (ad_port->aggregator) + return sysfs_emit(buf, "%u\n", + ad_port->actor_oper_port_state); + } + + return sysfs_emit(buf, "N/A\n"); +} +static SLAVE_ATTR_RO(ad_actor_oper_port_state); + +static ssize_t ad_partner_oper_port_state_show(struct slave *slave, char *buf) +{ + const struct port *ad_port; + + if (BOND_MODE(slave->bond) == BOND_MODE_8023AD) { + ad_port = &SLAVE_AD_INFO(slave)->port; + if (ad_port->aggregator) + return sysfs_emit(buf, "%u\n", + ad_port->partner_oper.port_state); + } + + return sysfs_emit(buf, "N/A\n"); +} +static SLAVE_ATTR_RO(ad_partner_oper_port_state); + +static const struct attribute *slave_attrs[] = { + &slave_attr_state.attr, + &slave_attr_mii_status.attr, + &slave_attr_link_failure_count.attr, + &slave_attr_perm_hwaddr.attr, + &slave_attr_queue_id.attr, + &slave_attr_ad_aggregator_id.attr, + &slave_attr_ad_actor_oper_port_state.attr, + &slave_attr_ad_partner_oper_port_state.attr, + NULL +}; + +#define to_slave_attr(_at) container_of(_at, struct slave_attribute, attr) + +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, +}; + +int bond_sysfs_slave_add(struct slave *slave) +{ + return sysfs_create_files(&slave->kobj, slave_attrs); +} + +void bond_sysfs_slave_del(struct slave *slave) +{ + sysfs_remove_files(&slave->kobj, slave_attrs); +} |