+++ /dev/null
-/*
- * swconfig.c: Switch configuration API
- *
- * Copyright (C) 2008 Felix Fietkau <nbd@openwrt.org>
- *
- * 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.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
-
-#include <linux/types.h>
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/list.h>
-#include <linux/if.h>
-#include <linux/if_ether.h>
-#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
-
-MODULE_AUTHOR("Felix Fietkau <nbd@openwrt.org>");
-MODULE_LICENSE("GPL");
-
-static int swdev_id = 0;
-static struct list_head swdevs;
-static spinlock_t swdevs_lock = SPIN_LOCK_UNLOCKED;
-struct swconfig_callback;
-
-struct swconfig_callback
-{
- struct sk_buff *msg;
- struct genlmsghdr *hdr;
- struct genl_info *info;
- int cmd;
-
- /* callback for filling in the message data */
- int (*fill)(struct swconfig_callback *cb, void *arg);
-
- /* callback for closing the message before sending it */
- int (*close)(struct swconfig_callback *cb, void *arg);
-
- struct nlattr *nest[4];
- int args[4];
-};
-
-/* defaults */
-
-static int
-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)
- return -EINVAL;
-
- if (!dev->get_vlan_ports)
- return -EOPNOTSUPP;
-
- ret = dev->get_vlan_ports(dev, val);
- return ret;
-}
-
-static int
-swconfig_set_vlan_ports(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val)
-{
- struct switch_port *ports = val->value.ports;
- int i;
-
- if (val->port_vlan >= dev->vlans)
- return -EINVAL;
-
- /* validate ports */
- if (val->len > dev->ports)
- return -EINVAL;
-
- if (!dev->set_vlan_ports)
- return -EOPNOTSUPP;
-
- for (i = 0; i < val->len; i++) {
- if (ports[i].id >= dev->ports)
- return -EINVAL;
-
- if (dev->set_port_pvid && !(ports[i].flags & (1 << SWITCH_PORT_FLAG_TAGGED)))
- dev->set_port_pvid(dev, ports[i].id, val->port_vlan);
- }
-
- return dev->set_vlan_ports(dev, val);
-}
-
-static int
-swconfig_set_pvid(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val)
-{
- if (val->port_vlan >= dev->ports)
- return -EINVAL;
-
- if (!dev->set_port_pvid)
- return -EOPNOTSUPP;
-
- return dev->set_port_pvid(dev, val->port_vlan, val->value.i);
-}
-
-static int
-swconfig_get_pvid(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val)
-{
- if (val->port_vlan >= dev->ports)
- return -EINVAL;
-
- if (!dev->get_port_pvid)
- return -EOPNOTSUPP;
-
- return dev->get_port_pvid(dev, val->port_vlan, &val->value.i);
-}
-
-static int
-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->apply_config)
- return 0;
-
- return dev->apply_config(dev);
-}
-
-static int
-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->reset_switch)
- return 0;
-
- return dev->reset_switch(dev);
-}
-
-enum global_defaults {
- GLOBAL_APPLY,
- GLOBAL_RESET,
-};
-
-enum vlan_defaults {
- VLAN_PORTS,
-};
-
-enum port_defaults {
- PORT_PVID,
-};
-
-static struct switch_attr default_global[] = {
- [GLOBAL_APPLY] = {
- .type = SWITCH_TYPE_NOVAL,
- .name = "apply",
- .description = "Activate changes in the hardware",
- .set = swconfig_apply_config,
- },
- [GLOBAL_RESET] = {
- .type = SWITCH_TYPE_NOVAL,
- .name = "reset",
- .description = "Reset the switch",
- .set = swconfig_reset_switch,
- }
-};
-
-static struct switch_attr default_port[] = {
- [PORT_PVID] = {
- .type = SWITCH_TYPE_INT,
- .name = "pvid",
- .description = "Primary VLAN ID",
- .set = swconfig_set_pvid,
- .get = swconfig_get_pvid,
- }
-};
-
-static struct switch_attr default_vlan[] = {
- [VLAN_PORTS] = {
- .type = SWITCH_TYPE_PORTS,
- .name = "ports",
- .description = "VLAN port mapping",
- .set = swconfig_set_vlan_ports,
- .get = swconfig_get_vlan_ports,
- },
-};
-
-
-static void swconfig_defaults_init(struct switch_dev *dev)
-{
- dev->def_global = 0;
- dev->def_vlan = 0;
- dev->def_port = 0;
-
- if (dev->get_vlan_ports || dev->set_vlan_ports)
- set_bit(VLAN_PORTS, &dev->def_vlan);
-
- if (dev->get_port_pvid || dev->set_port_pvid)
- set_bit(PORT_PVID, &dev->def_port);
-
- /* always present, can be no-op */
- set_bit(GLOBAL_APPLY, &dev->def_global);
- set_bit(GLOBAL_RESET, &dev->def_global);
-}
-
-
-static struct genl_family switch_fam = {
- .id = GENL_ID_GENERATE,
- .name = "switch",
- .hdrsize = 0,
- .version = 1,
- .maxattr = SWITCH_ATTR_MAX,
-};
-
-static const struct nla_policy switch_policy[SWITCH_ATTR_MAX+1] = {
- [SWITCH_ATTR_ID] = { .type = NLA_U32 },
- [SWITCH_ATTR_OP_ID] = { .type = NLA_U32 },
- [SWITCH_ATTR_OP_PORT] = { .type = NLA_U32 },
- [SWITCH_ATTR_OP_VLAN] = { .type = NLA_U32 },
- [SWITCH_ATTR_OP_VALUE_INT] = { .type = NLA_U32 },
- [SWITCH_ATTR_OP_VALUE_STR] = { .type = NLA_NUL_STRING },
- [SWITCH_ATTR_OP_VALUE_PORTS] = { .type = NLA_NESTED },
- [SWITCH_ATTR_TYPE] = { .type = NLA_U32 },
-};
-
-static const struct nla_policy port_policy[SWITCH_PORT_ATTR_MAX+1] = {
- [SWITCH_PORT_ID] = { .type = NLA_U32 },
- [SWITCH_PORT_FLAG_TAGGED] = { .type = NLA_FLAG },
-};
-
-static inline void
-swconfig_lock(void)
-{
- spin_lock(&swdevs_lock);
-}
-
-static inline void
-swconfig_unlock(void)
-{
- spin_unlock(&swdevs_lock);
-}
-
-static struct switch_dev *
-swconfig_get_dev(struct genl_info *info)
-{
- struct switch_dev *dev = NULL;
- struct switch_dev *p;
- int id;
-
- if (!info->attrs[SWITCH_ATTR_ID])
- goto done;
-
- id = nla_get_u32(info->attrs[SWITCH_ATTR_ID]);
- swconfig_lock();
- list_for_each_entry(p, &swdevs, dev_list) {
- if (id != p->id)
- continue;
-
- dev = p;
- break;
- }
- if (dev)
- spin_lock(&dev->lock);
- else
- DPRINTF("device %d not found\n", id);
- swconfig_unlock();
-done:
- return dev;
-}
-
-static inline void
-swconfig_put_dev(struct switch_dev *dev)
-{
- spin_unlock(&dev->lock);
-}
-
-static int
-swconfig_dump_attr(struct swconfig_callback *cb, void *arg)
-{
- struct switch_attr *op = arg;
- struct genl_info *info = cb->info;
- struct sk_buff *msg = cb->msg;
- int id = cb->args[0];
- void *hdr;
-
- hdr = genlmsg_put(msg, info->snd_pid, 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 (op->description)
- NLA_PUT_STRING(msg, SWITCH_ATTR_OP_DESCRIPTION,
- op->description);
-
- return genlmsg_end(msg, hdr);
-nla_put_failure:
- genlmsg_cancel(msg, hdr);
- return -EMSGSIZE;
-}
-
-/* spread multipart messages across multiple message buffers */
-static int
-swconfig_send_multipart(struct swconfig_callback *cb, void *arg)
-{
- struct genl_info *info = cb->info;
- int restart = 0;
- int err;
-
- do {
- if (!cb->msg) {
- cb->msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
- if (cb->msg == NULL)
- goto error;
- }
-
- if (!(cb->fill(cb, arg) < 0))
- break;
-
- /* fill failed, check if this was already the second attempt */
- if (restart)
- goto error;
-
- /* try again in a new message, send the current one */
- restart = 1;
- if (cb->close) {
- if (cb->close(cb, arg) < 0)
- goto error;
- }
- err = genlmsg_unicast(cb->msg, info->snd_pid);
- cb->msg = NULL;
- if (err < 0)
- goto error;
-
- } while (restart);
-
- return 0;
-
-error:
- if (cb->msg)
- nlmsg_free(cb->msg);
- return -1;
-}
-
-static int
-swconfig_list_attrs(struct sk_buff *skb, struct genl_info *info)
-{
- struct genlmsghdr *hdr = nlmsg_data(info->nlhdr);
- const struct switch_attrlist *alist;
- struct switch_dev *dev;
- struct swconfig_callback cb;
- int err = -EINVAL;
- int i;
-
- /* defaults */
- struct switch_attr *def_list;
- unsigned long *def_active;
- int n_def;
-
- dev = swconfig_get_dev(info);
- if (!dev)
- return -EINVAL;
-
- switch(hdr->cmd) {
- case SWITCH_CMD_LIST_GLOBAL:
- alist = &dev->attr_global;
- def_list = default_global;
- def_active = &dev->def_global;
- n_def = ARRAY_SIZE(default_global);
- break;
- case SWITCH_CMD_LIST_VLAN:
- alist = &dev->attr_vlan;
- def_list = default_vlan;
- def_active = &dev->def_vlan;
- n_def = ARRAY_SIZE(default_vlan);
- break;
- case SWITCH_CMD_LIST_PORT:
- alist = &dev->attr_port;
- def_list = default_port;
- def_active = &dev->def_port;
- n_def = ARRAY_SIZE(default_port);
- break;
- default:
- WARN_ON(1);
- goto out;
- }
-
- memset(&cb, 0, sizeof(cb));
- cb.info = info;
- cb.fill = swconfig_dump_attr;
- for (i = 0; i < alist->n_attr; i++) {
- if (alist->attr[i].disabled)
- continue;
- cb.args[0] = i;
- err = swconfig_send_multipart(&cb, (void *) &alist->attr[i]);
- if (err < 0)
- goto error;
- }
-
- /* defaults */
- for (i = 0; i < n_def; i++) {
- if (!test_bit(i, def_active))
- continue;
- cb.args[0] = SWITCH_ATTR_DEFAULTS_OFFSET + i;
- err = swconfig_send_multipart(&cb, (void *) &def_list[i]);
- if (err < 0)
- goto error;
- }
- swconfig_put_dev(dev);
-
- if (!cb.msg)
- return 0;
-
- return genlmsg_unicast(cb.msg, info->snd_pid);
-
-error:
- if (cb.msg)
- nlmsg_free(cb.msg);
-out:
- swconfig_put_dev(dev);
- return err;
-}
-
-static const struct switch_attr *
-swconfig_lookup_attr(struct switch_dev *dev, struct genl_info *info,
- struct switch_val *val)
-{
- struct genlmsghdr *hdr = nlmsg_data(info->nlhdr);
- const struct switch_attrlist *alist;
- const struct switch_attr *attr = NULL;
- int attr_id;
-
- /* defaults */
- struct switch_attr *def_list;
- unsigned long *def_active;
- int n_def;
-
- if (!info->attrs[SWITCH_ATTR_OP_ID])
- goto done;
-
- switch(hdr->cmd) {
- case SWITCH_CMD_SET_GLOBAL:
- case SWITCH_CMD_GET_GLOBAL:
- alist = &dev->attr_global;
- def_list = default_global;
- def_active = &dev->def_global;
- n_def = ARRAY_SIZE(default_global);
- break;
- case SWITCH_CMD_SET_VLAN:
- case SWITCH_CMD_GET_VLAN:
- alist = &dev->attr_vlan;
- def_list = default_vlan;
- def_active = &dev->def_vlan;
- n_def = ARRAY_SIZE(default_vlan);
- if (!info->attrs[SWITCH_ATTR_OP_VLAN])
- goto done;
- val->port_vlan = nla_get_u32(info->attrs[SWITCH_ATTR_OP_VLAN]);
- if (val->port_vlan >= dev->vlans)
- goto done;
- break;
- case SWITCH_CMD_SET_PORT:
- case SWITCH_CMD_GET_PORT:
- alist = &dev->attr_port;
- def_list = default_port;
- def_active = &dev->def_port;
- n_def = ARRAY_SIZE(default_port);
- if (!info->attrs[SWITCH_ATTR_OP_PORT])
- goto done;
- val->port_vlan = nla_get_u32(info->attrs[SWITCH_ATTR_OP_PORT]);
- if (val->port_vlan >= dev->ports)
- goto done;
- break;
- default:
- WARN_ON(1);
- goto done;
- }
-
- if (!alist)
- goto done;
-
- attr_id = nla_get_u32(info->attrs[SWITCH_ATTR_OP_ID]);
- if (attr_id >= SWITCH_ATTR_DEFAULTS_OFFSET) {
- attr_id -= SWITCH_ATTR_DEFAULTS_OFFSET;
- if (attr_id >= n_def)
- goto done;
- if (!test_bit(attr_id, def_active))
- goto done;
- attr = &def_list[attr_id];
- } else {
- if (attr_id >= alist->n_attr)
- goto done;
- attr = &alist->attr[attr_id];
- }
-
- if (attr->disabled)
- attr = NULL;
-
-done:
- if (!attr)
- DPRINTF("attribute lookup failed\n");
- val->attr = attr;
- return attr;
-}
-
-static int
-swconfig_parse_ports(struct sk_buff *msg, struct nlattr *head,
- struct switch_val *val, int max)
-{
- struct nlattr *nla;
- int rem;
-
- val->len = 0;
- nla_for_each_nested(nla, head, rem) {
- struct nlattr *tb[SWITCH_PORT_ATTR_MAX+1];
- struct switch_port *port = &val->value.ports[val->len];
-
- if (val->len >= max)
- return -EINVAL;
-
- if (nla_parse_nested(tb, SWITCH_PORT_ATTR_MAX, nla,
- port_policy))
- return -EINVAL;
-
- if (!tb[SWITCH_PORT_ID])
- return -EINVAL;
-
- port->id = nla_get_u32(tb[SWITCH_PORT_ID]);
- if (tb[SWITCH_PORT_FLAG_TAGGED])
- port->flags |= (1 << SWITCH_PORT_FLAG_TAGGED);
- val->len++;
- }
-
- return 0;
-}
-
-static int
-swconfig_set_attr(struct sk_buff *skb, struct genl_info *info)
-{
- const struct switch_attr *attr;
- struct switch_dev *dev;
- struct switch_val val;
- int err = -EINVAL;
-
- dev = swconfig_get_dev(info);
- if (!dev)
- return -EINVAL;
-
- memset(&val, 0, sizeof(val));
- attr = swconfig_lookup_attr(dev, info, &val);
- if (!attr || !attr->set)
- goto error;
-
- val.attr = attr;
- switch(attr->type) {
- case SWITCH_TYPE_NOVAL:
- break;
- case SWITCH_TYPE_INT:
- if (!info->attrs[SWITCH_ATTR_OP_VALUE_INT])
- goto error;
- val.value.i =
- nla_get_u32(info->attrs[SWITCH_ATTR_OP_VALUE_INT]);
- break;
- case SWITCH_TYPE_STRING:
- if (!info->attrs[SWITCH_ATTR_OP_VALUE_STR])
- goto error;
- val.value.s =
- nla_data(info->attrs[SWITCH_ATTR_OP_VALUE_STR]);
- break;
- case SWITCH_TYPE_PORTS:
- val.value.ports = dev->portbuf;
- memset(dev->portbuf, 0,
- sizeof(struct switch_port) * dev->ports);
-
- /* 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);
- if (err < 0)
- goto error;
- } else {
- val.len = 0;
- err = 0;
- }
- break;
- default:
- goto error;
- }
-
- err = attr->set(dev, attr, &val);
-error:
- swconfig_put_dev(dev);
- return err;
-}
-
-static int
-swconfig_close_portlist(struct swconfig_callback *cb, void *arg)
-{
- if (cb->nest[0])
- nla_nest_end(cb->msg, cb->nest[0]);
- return 0;
-}
-
-static int
-swconfig_send_port(struct swconfig_callback *cb, void *arg)
-{
- const struct switch_port *port = arg;
- struct nlattr *p = NULL;
-
- if (!cb->nest[0]) {
- cb->nest[0] = nla_nest_start(cb->msg, cb->cmd);
- if (!cb->nest[0])
- return -1;
- }
-
- p = nla_nest_start(cb->msg, SWITCH_ATTR_PORT);
- 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);
-
- nla_nest_end(cb->msg, p);
- return 0;
-
-nla_put_failure:
- nla_nest_cancel(cb->msg, p);
-error:
- nla_nest_cancel(cb->msg, cb->nest[0]);
- return -1;
-}
-
-static int
-swconfig_send_ports(struct sk_buff **msg, struct genl_info *info, int attr,
- const struct switch_val *val)
-{
- struct swconfig_callback cb;
- int err = 0;
- int i;
-
- if (!val->value.ports)
- return -EINVAL;
-
- memset(&cb, 0, sizeof(cb));
- cb.cmd = attr;
- cb.msg = *msg;
- cb.info = info;
- cb.fill = swconfig_send_port;
- cb.close = swconfig_close_portlist;
-
- cb.nest[0] = nla_nest_start(cb.msg, cb.cmd);
- for (i = 0; i < val->len; i++) {
- err = swconfig_send_multipart(&cb, &val->value.ports[i]);
- if (err)
- goto done;
- }
- err = val->len;
- swconfig_close_portlist(&cb, NULL);
- *msg = cb.msg;
-
-done:
- return err;
-}
-
-static int
-swconfig_get_attr(struct sk_buff *skb, struct genl_info *info)
-{
- struct genlmsghdr *hdr = nlmsg_data(info->nlhdr);
- const struct switch_attr *attr;
- struct switch_dev *dev;
- struct sk_buff *msg = NULL;
- struct switch_val val;
- int err = -EINVAL;
- int cmd = hdr->cmd;
-
- dev = swconfig_get_dev(info);
- if (!dev)
- return -EINVAL;
-
- memset(&val, 0, sizeof(val));
- attr = swconfig_lookup_attr(dev, info, &val);
- if (!attr || !attr->get)
- goto error;
-
- if (attr->type == SWITCH_TYPE_PORTS) {
- val.value.ports = dev->portbuf;
- memset(dev->portbuf, 0,
- sizeof(struct switch_port) * dev->ports);
- }
-
- err = attr->get(dev, attr, &val);
- if (err)
- goto error;
-
- msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
- if (!msg)
- goto error;
-
- hdr = genlmsg_put(msg, info->snd_pid, 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);
- break;
- case SWITCH_TYPE_STRING:
- NLA_PUT_STRING(msg, SWITCH_ATTR_OP_VALUE_STR, val.value.s);
- break;
- case SWITCH_TYPE_PORTS:
- err = swconfig_send_ports(&msg, info,
- SWITCH_ATTR_OP_VALUE_PORTS, &val);
- if (err < 0)
- goto nla_put_failure;
- break;
- default:
- DPRINTF("invalid type in attribute\n");
- err = -EINVAL;
- goto error;
- }
- err = genlmsg_end(msg, hdr);
- if (err < 0)
- goto nla_put_failure;
-
- swconfig_put_dev(dev);
- return genlmsg_unicast(msg, info->snd_pid);
-
-nla_put_failure:
- if (msg)
- nlmsg_free(msg);
-error:
- swconfig_put_dev(dev);
- if (!err)
- err = -ENOMEM;
- return err;
-}
-
-static int
-swconfig_send_switch(struct sk_buff *msg, u32 pid, u32 seq, int flags,
- const struct switch_dev *dev)
-{
- void *hdr;
-
- 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_NAME, dev->name);
- NLA_PUT_STRING(msg, SWITCH_ATTR_DEV_NAME, dev->devname);
- 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);
-
- return genlmsg_end(msg, hdr);
-nla_put_failure:
- genlmsg_cancel(msg, hdr);
- return -EMSGSIZE;
-}
-
-static int swconfig_dump_switches(struct sk_buff *skb,
- struct netlink_callback *cb)
-{
- struct switch_dev *dev;
- int start = cb->args[0];
- int idx = 0;
-
- swconfig_lock();
- list_for_each_entry(dev, &swdevs, dev_list) {
- if (++idx <= start)
- continue;
- if (swconfig_send_switch(skb, NETLINK_CB(cb->skb).pid,
- cb->nlh->nlmsg_seq, NLM_F_MULTI,
- dev) < 0)
- break;
- }
- swconfig_unlock();
- cb->args[0] = idx;
-
- return skb->len;
-}
-
-static int
-swconfig_done(struct netlink_callback *cb)
-{
- return 0;
-}
-
-static struct genl_ops swconfig_ops[] = {
- {
- .cmd = SWITCH_CMD_LIST_GLOBAL,
- .doit = swconfig_list_attrs,
- .policy = switch_policy,
- },
- {
- .cmd = SWITCH_CMD_LIST_VLAN,
- .doit = swconfig_list_attrs,
- .policy = switch_policy,
- },
- {
- .cmd = SWITCH_CMD_LIST_PORT,
- .doit = swconfig_list_attrs,
- .policy = switch_policy,
- },
- {
- .cmd = SWITCH_CMD_GET_GLOBAL,
- .doit = swconfig_get_attr,
- .policy = switch_policy,
- },
- {
- .cmd = SWITCH_CMD_GET_VLAN,
- .doit = swconfig_get_attr,
- .policy = switch_policy,
- },
- {
- .cmd = SWITCH_CMD_GET_PORT,
- .doit = swconfig_get_attr,
- .policy = switch_policy,
- },
- {
- .cmd = SWITCH_CMD_SET_GLOBAL,
- .doit = swconfig_set_attr,
- .policy = switch_policy,
- },
- {
- .cmd = SWITCH_CMD_SET_VLAN,
- .doit = swconfig_set_attr,
- .policy = switch_policy,
- },
- {
- .cmd = SWITCH_CMD_SET_PORT,
- .doit = swconfig_set_attr,
- .policy = switch_policy,
- },
- {
- .cmd = SWITCH_CMD_GET_SWITCH,
- .dumpit = swconfig_dump_switches,
- .policy = switch_policy,
- .done = swconfig_done,
- }
-};
-
-int
-register_switch(struct switch_dev *dev, struct net_device *netdev)
-{
- INIT_LIST_HEAD(&dev->dev_list);
- if (netdev) {
- dev->netdev = netdev;
- if (!dev->devname)
- dev->devname = netdev->name;
- }
- BUG_ON(!dev->devname);
-
- if (dev->ports > 0) {
- dev->portbuf = kzalloc(sizeof(struct switch_port) * dev->ports,
- GFP_KERNEL);
- if (!dev->portbuf)
- return -ENOMEM;
- }
- dev->id = ++swdev_id;
- swconfig_defaults_init(dev);
- spin_lock_init(&dev->lock);
- swconfig_lock();
- list_add(&dev->dev_list, &swdevs);
- swconfig_unlock();
-
- return 0;
-}
-EXPORT_SYMBOL_GPL(register_switch);
-
-void
-unregister_switch(struct switch_dev *dev)
-{
- kfree(dev->portbuf);
- spin_lock(&dev->lock);
- swconfig_lock();
- list_del(&dev->dev_list);
- swconfig_unlock();
- spin_unlock(&dev->lock);
-}
-EXPORT_SYMBOL_GPL(unregister_switch);
-
-
-static int __init
-swconfig_init(void)
-{
- int i, err;
-
- INIT_LIST_HEAD(&swdevs);
- err = genl_register_family(&switch_fam);
- if (err)
- return err;
-
- for (i = 0; i < ARRAY_SIZE(swconfig_ops); i++) {
- err = genl_register_ops(&switch_fam, &swconfig_ops[i]);
- if (err)
- goto unregister;
- }
-
- return 0;
-
-unregister:
- genl_unregister_family(&switch_fam);
- return err;
-}
-
-static void __exit
-swconfig_exit(void)
-{
- genl_unregister_family(&switch_fam);
-}
-
-module_init(swconfig_init);
-module_exit(swconfig_exit);
-
projects / openwrt / openwrt.git / blobdiff