#include <linux/capability.h>
#include <linux/skbuff.h>
#include <linux/switch.h>
+#include <linux/of.h>
//#define DEBUG 1
#ifdef DEBUG
#define SWCONFIG_DEVNAME "switch%d"
+#include "swconfig_leds.c"
+
MODULE_AUTHOR("Felix Fietkau <nbd@openwrt.org>");
MODULE_LICENSE("GPL");
return dev->ops->get_port_pvid(dev, val->port_vlan, &val->value.i);
}
+static const char *
+swconfig_speed_str(enum switch_port_speed speed)
+{
+ switch (speed) {
+ case SWITCH_PORT_SPEED_10:
+ return "10baseT";
+ case SWITCH_PORT_SPEED_100:
+ return "100baseT";
+ case SWITCH_PORT_SPEED_1000:
+ return "1000baseT";
+ default:
+ break;
+ }
+
+ return "unknown";
+}
+
+static int
+swconfig_get_link(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val)
+{
+ struct switch_port_link link;
+ int len;
+ int ret;
+
+ if (val->port_vlan >= dev->ports)
+ return -EINVAL;
+
+ if (!dev->ops->get_port_link)
+ return -EOPNOTSUPP;
+
+ memset(&link, 0, sizeof(link));
+ ret = dev->ops->get_port_link(dev, val->port_vlan, &link);
+ if (ret)
+ return ret;
+
+ memset(dev->buf, 0, sizeof(dev->buf));
+
+ if (link.link)
+ len = snprintf(dev->buf, sizeof(dev->buf),
+ "port:%d link:up speed:%s %s-duplex %s%s%s",
+ val->port_vlan,
+ swconfig_speed_str(link.speed),
+ link.duplex ? "full" : "half",
+ link.tx_flow ? "txflow ": "",
+ link.rx_flow ? "rxflow " : "",
+ link.aneg ? "auto" : "");
+ else
+ len = snprintf(dev->buf, sizeof(dev->buf), "port:%d link:down",
+ val->port_vlan);
+
+ val->value.s = dev->buf;
+ val->len = len;
+
+ return 0;
+}
+
static int
swconfig_apply_config(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val)
{
enum port_defaults {
PORT_PVID,
+ PORT_LINK,
};
static struct switch_attr default_global[] = {
.description = "Primary VLAN ID",
.set = swconfig_set_pvid,
.get = swconfig_get_pvid,
+ },
+ [PORT_LINK] = {
+ .type = SWITCH_TYPE_STRING,
+ .name = "link",
+ .description = "Get port link information",
+ .set = NULL,
+ .get = swconfig_get_link,
}
};
},
};
+static const struct switch_attr *
+swconfig_find_attr_by_name(const struct switch_attrlist *alist, const char *name)
+{
+ int i;
+
+ for (i = 0; i < alist->n_attr; i++)
+ if (strcmp(name, alist->attr[i].name) == 0)
+ return &alist->attr[i];
+
+ return NULL;
+}
static void swconfig_defaults_init(struct switch_dev *dev)
{
if (ops->get_port_pvid || ops->set_port_pvid)
set_bit(PORT_PVID, &dev->def_port);
+ if (ops->get_port_link &&
+ !swconfig_find_attr_by_name(&ops->attr_port, "link"))
+ set_bit(PORT_LINK, &dev->def_port);
+
/* always present, can be no-op */
set_bit(GLOBAL_APPLY, &dev->def_global);
set_bit(GLOBAL_RESET, &dev->def_global);
break;
}
if (dev)
- spin_lock(&dev->lock);
+ mutex_lock(&dev->sw_mutex);
else
DPRINTF("device %d not found\n", id);
swconfig_unlock();
static inline void
swconfig_put_dev(struct switch_dev *dev)
{
- spin_unlock(&dev->lock);
+ mutex_unlock(&dev->sw_mutex);
}
static int
int id = cb->args[0];
void *hdr;
- hdr = genlmsg_put(msg, info->snd_pid, info->snd_seq, &switch_fam,
+ hdr = genlmsg_put(msg, info->snd_portid, info->snd_seq, &switch_fam,
NLM_F_MULTI, SWITCH_CMD_NEW_ATTR);
if (IS_ERR(hdr))
return -1;
- NLA_PUT_U32(msg, SWITCH_ATTR_OP_ID, id);
- NLA_PUT_U32(msg, SWITCH_ATTR_OP_TYPE, op->type);
- NLA_PUT_STRING(msg, SWITCH_ATTR_OP_NAME, op->name);
+ if (nla_put_u32(msg, SWITCH_ATTR_OP_ID, id))
+ goto nla_put_failure;
+ if (nla_put_u32(msg, SWITCH_ATTR_OP_TYPE, op->type))
+ goto nla_put_failure;
+ if (nla_put_string(msg, SWITCH_ATTR_OP_NAME, op->name))
+ goto nla_put_failure;
if (op->description)
- NLA_PUT_STRING(msg, SWITCH_ATTR_OP_DESCRIPTION,
- op->description);
+ if (nla_put_string(msg, SWITCH_ATTR_OP_DESCRIPTION,
+ op->description))
+ goto nla_put_failure;
return genlmsg_end(msg, hdr);
nla_put_failure:
if (!p)
goto error;
- NLA_PUT_U32(cb->msg, SWITCH_PORT_ID, port->id);
- if (port->flags & (1 << SWITCH_PORT_FLAG_TAGGED))
- NLA_PUT_FLAG(cb->msg, SWITCH_PORT_FLAG_TAGGED);
+ if (nla_put_u32(cb->msg, SWITCH_PORT_ID, port->id))
+ goto nla_put_failure;
+ if (port->flags & (1 << SWITCH_PORT_FLAG_TAGGED)) {
+ if (nla_put_flag(cb->msg, SWITCH_PORT_FLAG_TAGGED))
+ goto nla_put_failure;
+ }
nla_nest_end(cb->msg, p);
return 0;
if (!msg)
goto error;
- hdr = genlmsg_put(msg, info->snd_pid, info->snd_seq, &switch_fam,
+ hdr = genlmsg_put(msg, info->snd_portid, info->snd_seq, &switch_fam,
0, cmd);
if (IS_ERR(hdr))
goto nla_put_failure;
switch(attr->type) {
case SWITCH_TYPE_INT:
- NLA_PUT_U32(msg, SWITCH_ATTR_OP_VALUE_INT, val.value.i);
+ if (nla_put_u32(msg, SWITCH_ATTR_OP_VALUE_INT, val.value.i))
+ goto nla_put_failure;
break;
case SWITCH_TYPE_STRING:
- NLA_PUT_STRING(msg, SWITCH_ATTR_OP_VALUE_STR, val.value.s);
+ if (nla_put_string(msg, SWITCH_ATTR_OP_VALUE_STR, val.value.s))
+ goto nla_put_failure;
break;
case SWITCH_TYPE_PORTS:
err = swconfig_send_ports(&msg, info,
swconfig_send_switch(struct sk_buff *msg, u32 pid, u32 seq, int flags,
const struct switch_dev *dev)
{
+ struct nlattr *p = NULL, *m = NULL;
void *hdr;
+ int i;
hdr = genlmsg_put(msg, pid, seq, &switch_fam, flags,
SWITCH_CMD_NEW_ATTR);
if (IS_ERR(hdr))
return -1;
- NLA_PUT_U32(msg, SWITCH_ATTR_ID, dev->id);
- NLA_PUT_STRING(msg, SWITCH_ATTR_DEV_NAME, dev->devname);
- NLA_PUT_STRING(msg, SWITCH_ATTR_ALIAS, dev->alias);
- NLA_PUT_STRING(msg, SWITCH_ATTR_NAME, dev->name);
- NLA_PUT_U32(msg, SWITCH_ATTR_VLANS, dev->vlans);
- NLA_PUT_U32(msg, SWITCH_ATTR_PORTS, dev->ports);
- NLA_PUT_U32(msg, SWITCH_ATTR_CPU_PORT, dev->cpu_port);
+ if (nla_put_u32(msg, SWITCH_ATTR_ID, dev->id))
+ goto nla_put_failure;
+ if (nla_put_string(msg, SWITCH_ATTR_DEV_NAME, dev->devname))
+ goto nla_put_failure;
+ if (nla_put_string(msg, SWITCH_ATTR_ALIAS, dev->alias))
+ goto nla_put_failure;
+ if (nla_put_string(msg, SWITCH_ATTR_NAME, dev->name))
+ goto nla_put_failure;
+ if (nla_put_u32(msg, SWITCH_ATTR_VLANS, dev->vlans))
+ goto nla_put_failure;
+ if (nla_put_u32(msg, SWITCH_ATTR_PORTS, dev->ports))
+ goto nla_put_failure;
+ if (nla_put_u32(msg, SWITCH_ATTR_CPU_PORT, dev->cpu_port))
+ goto nla_put_failure;
+ m = nla_nest_start(msg, SWITCH_ATTR_PORTMAP);
+ if (!m)
+ goto nla_put_failure;
+ for (i = 0; i < dev->ports; i++) {
+ p = nla_nest_start(msg, SWITCH_ATTR_PORTS);
+ if (!p)
+ continue;
+ if (dev->portmap[i].s) {
+ if (nla_put_string(msg, SWITCH_PORTMAP_SEGMENT, dev->portmap[i].s))
+ goto nla_put_failure;
+ if (nla_put_u32(msg, SWITCH_PORTMAP_VIRT, dev->portmap[i].virt))
+ goto nla_put_failure;
+ }
+ nla_nest_end(msg, p);
+ }
+ nla_nest_end(msg, m);
return genlmsg_end(msg, hdr);
nla_put_failure:
genlmsg_cancel(msg, hdr);
list_for_each_entry(dev, &swdevs, dev_list) {
if (++idx <= start)
continue;
- if (swconfig_send_switch(skb, NETLINK_CB(cb->skb).pid,
+ if (swconfig_send_switch(skb, NETLINK_CB(cb->skb).portid,
cb->nlh->nlmsg_seq, NLM_F_MULTI,
dev) < 0)
break;
}
};
+#ifdef CONFIG_OF
+void
+of_switch_load_portmap(struct switch_dev *dev)
+{
+ struct device_node *port;
+
+ if (!dev->of_node)
+ return;
+
+ for_each_child_of_node(dev->of_node, port) {
+ const __be32 *prop;
+ const char *segment;
+ int size, phys;
+
+ if (!of_device_is_compatible(port, "swconfig,port"))
+ continue;
+
+ if (of_property_read_string(port, "swconfig,segment", &segment))
+ continue;
+
+ prop = of_get_property(port, "swconfig,portmap", &size);
+ if (!prop)
+ continue;
+
+ if (size != (2 * sizeof(*prop))) {
+ pr_err("%s: failed to parse port mapping\n", port->name);
+ continue;
+ }
+
+ phys = be32_to_cpup(prop++);
+ if ((phys < 0) | (phys >= dev->ports)) {
+ pr_err("%s: physical port index out of range\n", port->name);
+ continue;
+ }
+
+ dev->portmap[phys].s = kstrdup(segment, GFP_KERNEL);
+ dev->portmap[phys].virt = be32_to_cpup(prop);
+ pr_debug("Found port: %s, physical: %d, virtual: %d\n",
+ segment, phys, dev->portmap[phys].virt);
+ }
+}
+#endif
+
int
register_switch(struct switch_dev *dev, struct net_device *netdev)
{
struct switch_dev *sdev;
const int max_switches = 8 * sizeof(unsigned long);
unsigned long in_use = 0;
+ int err;
int i;
INIT_LIST_HEAD(&dev->dev_list);
GFP_KERNEL);
if (!dev->portbuf)
return -ENOMEM;
+ dev->portmap = kzalloc(sizeof(struct switch_portmap) * dev->ports,
+ GFP_KERNEL);
+ if (!dev->portmap) {
+ kfree(dev->portbuf);
+ return -ENOMEM;
+ }
}
swconfig_defaults_init(dev);
- spin_lock_init(&dev->lock);
+ mutex_init(&dev->sw_mutex);
swconfig_lock();
dev->id = ++swdev_id;
return -ENFILE;
}
+#ifdef CONFIG_OF
+ if (dev->ports)
+ of_switch_load_portmap(dev);
+#endif
+
/* fill device name */
snprintf(dev->devname, IFNAMSIZ, SWCONFIG_DEVNAME, i);
list_add(&dev->dev_list, &swdevs);
swconfig_unlock();
+ err = swconfig_create_led_trigger(dev);
+ if (err)
+ return err;
+
return 0;
}
EXPORT_SYMBOL_GPL(register_switch);
void
unregister_switch(struct switch_dev *dev)
{
+ swconfig_destroy_led_trigger(dev);
kfree(dev->portbuf);
- spin_lock(&dev->lock);
+ mutex_lock(&dev->sw_mutex);
swconfig_lock();
list_del(&dev->dev_list);
swconfig_unlock();
- spin_unlock(&dev->lock);
+ mutex_unlock(&dev->sw_mutex);
}
EXPORT_SYMBOL_GPL(unregister_switch);
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