#include <linux/capability.h>
#include <linux/skbuff.h>
#include <linux/switch.h>
-
-//#define DEBUG 1
-#ifdef DEBUG
-#define DPRINTF(format, ...) printk("%s: " format, __func__, ##__VA_ARGS__)
-#else
-#define DPRINTF(...) do {} while(0)
-#endif
+#include <linux/of.h>
+#include <linux/version.h>
#define SWCONFIG_DEVNAME "switch%d"
MODULE_AUTHOR("Felix Fietkau <nbd@openwrt.org>");
MODULE_LICENSE("GPL");
-static int swdev_id = 0;
+static int swdev_id;
static struct list_head swdevs;
static DEFINE_SPINLOCK(swdevs_lock);
struct swconfig_callback;
-struct swconfig_callback
-{
+struct swconfig_callback {
struct sk_buff *msg;
struct genlmsghdr *hdr;
struct genl_info *info;
/* defaults */
static int
-swconfig_get_vlan_ports(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val)
+swconfig_get_vlan_ports(struct switch_dev *dev, const struct switch_attr *attr,
+ struct switch_val *val)
{
int ret;
if (val->port_vlan >= dev->vlans)
}
static int
-swconfig_set_vlan_ports(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val)
+swconfig_set_vlan_ports(struct switch_dev *dev, const struct switch_attr *attr,
+ struct switch_val *val)
{
struct switch_port *ports = val->value.ports;
const struct switch_dev_ops *ops = dev->ops;
}
static int
-swconfig_set_pvid(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val)
+swconfig_set_pvid(struct switch_dev *dev, const struct switch_attr *attr,
+ struct switch_val *val)
{
if (val->port_vlan >= dev->ports)
return -EINVAL;
}
static int
-swconfig_get_pvid(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val)
+swconfig_get_pvid(struct switch_dev *dev, const struct switch_attr *attr,
+ struct switch_val *val)
{
if (val->port_vlan >= dev->ports)
return -EINVAL;
}
static int
-swconfig_get_link(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val)
+swconfig_get_link(struct switch_dev *dev, const struct switch_attr *attr,
+ struct switch_val *val)
{
struct switch_port_link link;
int len;
val->port_vlan,
swconfig_speed_str(link.speed),
link.duplex ? "full" : "half",
- link.tx_flow ? "txflow ": "",
+ link.tx_flow ? "txflow " : "",
link.rx_flow ? "rxflow " : "",
link.aneg ? "auto" : "");
else
}
static int
-swconfig_apply_config(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val)
+swconfig_apply_config(struct switch_dev *dev, const struct switch_attr *attr,
+ struct switch_val *val)
{
/* don't complain if not supported by the switch driver */
if (!dev->ops->apply_config)
}
static int
-swconfig_reset_switch(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val)
+swconfig_reset_switch(struct switch_dev *dev, const struct switch_attr *attr,
+ struct switch_val *val)
{
/* don't complain if not supported by the switch driver */
if (!dev->ops->reset_switch)
};
static const struct switch_attr *
-swconfig_find_attr_by_name(const struct switch_attrlist *alist, const char *name)
+swconfig_find_attr_by_name(const struct switch_attrlist *alist,
+ const char *name)
{
int i;
if (dev)
mutex_lock(&dev->sw_mutex);
else
- DPRINTF("device %d not found\n", id);
+ pr_debug("device %d not found\n", id);
swconfig_unlock();
done:
return dev;
if (!dev)
return -EINVAL;
- switch(hdr->cmd) {
+ switch (hdr->cmd) {
case SWITCH_CMD_LIST_GLOBAL:
alist = &dev->ops->attr_global;
def_list = default_global;
if (!info->attrs[SWITCH_ATTR_OP_ID])
goto done;
- switch(hdr->cmd) {
+ switch (hdr->cmd) {
case SWITCH_CMD_SET_GLOBAL:
case SWITCH_CMD_GET_GLOBAL:
alist = &dev->ops->attr_global;
done:
if (!attr)
- DPRINTF("attribute lookup failed\n");
+ pr_debug("attribute lookup failed\n");
val->attr = attr;
return attr;
}
goto error;
val.attr = attr;
- switch(attr->type) {
+ switch (attr->type) {
case SWITCH_TYPE_NOVAL:
break;
case SWITCH_TYPE_INT:
/* TODO: implement multipart? */
if (info->attrs[SWITCH_ATTR_OP_VALUE_PORTS]) {
err = swconfig_parse_ports(skb,
- info->attrs[SWITCH_ATTR_OP_VALUE_PORTS], &val, dev->ports);
+ info->attrs[SWITCH_ATTR_OP_VALUE_PORTS],
+ &val, dev->ports);
if (err < 0)
goto error;
} else {
if (IS_ERR(hdr))
goto nla_put_failure;
- switch(attr->type) {
+ switch (attr->type) {
case SWITCH_TYPE_INT:
if (nla_put_u32(msg, SWITCH_ATTR_OP_VALUE_INT, val.value.i))
goto nla_put_failure;
goto nla_put_failure;
break;
default:
- DPRINTF("invalid type in attribute\n");
+ pr_debug("invalid type in attribute\n");
err = -EINVAL;
goto error;
}
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 (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);
}
};
+#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)
{
BUG_ON(!dev->alias);
if (dev->ports > 0) {
- dev->portbuf = kzalloc(sizeof(struct switch_port) * dev->ports,
- GFP_KERNEL);
+ dev->portbuf = kzalloc(sizeof(struct switch_port) *
+ dev->ports, 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);
mutex_init(&dev->sw_mutex);
return -ENFILE;
}
+#ifdef CONFIG_OF
+ if (dev->ports)
+ of_switch_load_portmap(dev);
+#endif
+
/* fill device name */
snprintf(dev->devname, IFNAMSIZ, SWCONFIG_DEVNAME, i);
int i, err;
INIT_LIST_HEAD(&swdevs);
+
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,13,0))
err = genl_register_family(&switch_fam);
if (err)
return err;
if (err)
goto unregister;
}
-
+#else
+ err = genl_register_family_with_ops(&switch_fam, swconfig_ops);
+ if (err)
+ return err;
+#endif
return 0;
unregister:
projects / openwrt / openwrt.git / blobdiff