redonkable/alistair23-linux
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[PATCH] iseries_veth: Add sysfs support for port structs

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Also to aid debugging, add sysfs support for iseries_veth's port structures.

Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
This commit is contained in:
Michael Ellerman 2005-09-01 11:29:21 +10:00 committed by Jeff Garzik
parent 76812d8123
commit 07a5c1727d
1 changed files with 67 additions and 0 deletions
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67
drivers/net/iseries_veth.c
View file

@ -167,6 +167,8 @@ struct veth_port {
int promiscuous;
int num_mcast;
u64 mcast_addr[VETH_MAX_MCAST];
struct kobject kobject;
};
static HvLpIndex this_lp;
@ -350,6 +352,62 @@ static struct kobj_type veth_lpar_connection_ktype = {
.default_attrs = veth_cnx_default_attrs
};
struct veth_port_attribute {
struct attribute attr;
ssize_t (*show)(struct veth_port *, char *buf);
ssize_t (*store)(struct veth_port *, const char *buf);
};
static ssize_t veth_port_attribute_show(struct kobject *kobj,
struct attribute *attr, char *buf)
{
struct veth_port_attribute *port_attr;
struct veth_port *port;
port_attr = container_of(attr, struct veth_port_attribute, attr);
port = container_of(kobj, struct veth_port, kobject);
if (!port_attr->show)
return -EIO;
return port_attr->show(port, buf);
}
#define CUSTOM_PORT_ATTR(_name, _format, _expression) \
static ssize_t _name##_show(struct veth_port *port, char *buf) \
{ \
return sprintf(buf, _format, _expression); \
} \
struct veth_port_attribute veth_port_attr_##_name = __ATTR_RO(_name)
#define SIMPLE_PORT_ATTR(_name) \
CUSTOM_PORT_ATTR(_name, "%lu\n", (unsigned long)port->_name)
SIMPLE_PORT_ATTR(promiscuous);
SIMPLE_PORT_ATTR(num_mcast);
CUSTOM_PORT_ATTR(lpar_map, "0x%X\n", port->lpar_map);
CUSTOM_PORT_ATTR(stopped_map, "0x%X\n", port->stopped_map);
CUSTOM_PORT_ATTR(mac_addr, "0x%lX\n", port->mac_addr);
#define GET_PORT_ATTR(_name) (&veth_port_attr_##_name.attr)
static struct attribute *veth_port_default_attrs[] = {
GET_PORT_ATTR(mac_addr),
GET_PORT_ATTR(lpar_map),
GET_PORT_ATTR(stopped_map),
GET_PORT_ATTR(promiscuous),
GET_PORT_ATTR(num_mcast),
NULL
};
static struct sysfs_ops veth_port_sysfs_ops = {
.show = veth_port_attribute_show
};
static struct kobj_type veth_port_ktype = {
.sysfs_ops = &veth_port_sysfs_ops,
.default_attrs = veth_port_default_attrs
};
/*
* LPAR connection code
*/
@ -992,6 +1050,13 @@ static struct net_device * __init veth_probe_one(int vlan, struct device *vdev)
return NULL;
}
kobject_init(&port->kobject);
port->kobject.parent = &dev->class_dev.kobj;
port->kobject.ktype = &veth_port_ktype;
kobject_set_name(&port->kobject, "veth_port");
if (0 != kobject_add(&port->kobject))
veth_error("Failed adding port for %s to sysfs.\n", dev->name);
veth_info("%s attached to iSeries vlan %d (LPAR map = 0x%.4X)\n",
dev->name, vlan, port->lpar_map);
@ -1486,6 +1551,8 @@ static int veth_remove(struct vio_dev *vdev)
}
veth_dev[vdev->unit_address] = NULL;
kobject_del(&port->kobject);
kobject_put(&port->kobject);
unregister_netdev(dev);
free_netdev(dev);