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-rw-r--r--target/mips/dragino-ms14s/patches/3.14.17/0013-net-add-swconfig-support.patch1859
1 files changed, 1859 insertions, 0 deletions
diff --git a/target/mips/dragino-ms14s/patches/3.14.17/0013-net-add-swconfig-support.patch b/target/mips/dragino-ms14s/patches/3.14.17/0013-net-add-swconfig-support.patch
new file mode 100644
index 000000000..57c112842
--- /dev/null
+++ b/target/mips/dragino-ms14s/patches/3.14.17/0013-net-add-swconfig-support.patch
@@ -0,0 +1,1859 @@
+From fe40f6aba9ba59000ffa681a23ad59e9347346af Mon Sep 17 00:00:00 2001
+From: Phil Sutter <phil@nwl.cc>
+Date: Tue, 13 May 2014 00:36:13 +0200
+Subject: [PATCH] net: add swconfig support
+
+---
+ drivers/net/phy/Kconfig | 10 +
+ drivers/net/phy/Makefile | 1 +
+ drivers/net/phy/swconfig.c | 1144 +++++++++++++++++++++++++++++++++++++++
+ drivers/net/phy/swconfig_leds.c | 354 ++++++++++++
+ include/linux/switch.h | 167 ++++++
+ include/uapi/linux/Kbuild | 1 +
+ include/uapi/linux/switch.h | 103 ++++
+ 7 files changed, 1780 insertions(+)
+ create mode 100644 drivers/net/phy/swconfig.c
+ create mode 100644 drivers/net/phy/swconfig_leds.c
+ create mode 100644 include/linux/switch.h
+ create mode 100644 include/uapi/linux/switch.h
+
+diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig
+index 9b5d46c..36a13fc 100644
+--- a/drivers/net/phy/Kconfig
++++ b/drivers/net/phy/Kconfig
+@@ -12,6 +12,16 @@ menuconfig PHYLIB
+
+ if PHYLIB
+
++config SWCONFIG
++ tristate "Switch configuration API"
++ ---help---
++ Switch configuration API using netlink. This allows
++ you to configure the VLAN features of certain switches.
++
++config SWCONFIG_LEDS
++ bool "Switch LED trigger support"
++ depends on (SWCONFIG && LEDS_TRIGGERS)
++
+ comment "MII PHY device drivers"
+
+ config AT803X_PHY
+diff --git a/drivers/net/phy/Makefile b/drivers/net/phy/Makefile
+index 9013dfa..b510bd6 100644
+--- a/drivers/net/phy/Makefile
++++ b/drivers/net/phy/Makefile
+@@ -3,6 +3,7 @@
+ libphy-objs := phy.o phy_device.o mdio_bus.o
+
+ obj-$(CONFIG_PHYLIB) += libphy.o
++obj-$(CONFIG_SWCONFIG) += swconfig.o
+ obj-$(CONFIG_MARVELL_PHY) += marvell.o
+ obj-$(CONFIG_DAVICOM_PHY) += davicom.o
+ obj-$(CONFIG_CICADA_PHY) += cicada.o
+diff --git a/drivers/net/phy/swconfig.c b/drivers/net/phy/swconfig.c
+new file mode 100644
+index 0000000..c043ee4
+--- /dev/null
++++ b/drivers/net/phy/swconfig.c
+@@ -0,0 +1,1144 @@
++/*
++ * 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>
++#include <linux/of.h>
++#include <linux/version.h>
++
++#define SWCONFIG_DEVNAME "switch%d"
++
++#include "swconfig_leds.c"
++
++MODULE_AUTHOR("Felix Fietkau <nbd@openwrt.org>");
++MODULE_LICENSE("GPL");
++
++static int swdev_id;
++static struct list_head swdevs;
++static DEFINE_SPINLOCK(swdevs_lock);
++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->ops->get_vlan_ports)
++ return -EOPNOTSUPP;
++
++ ret = dev->ops->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;
++ const struct switch_dev_ops *ops = dev->ops;
++ int i;
++
++ if (val->port_vlan >= dev->vlans)
++ return -EINVAL;
++
++ /* validate ports */
++ if (val->len > dev->ports)
++ return -EINVAL;
++
++ if (!ops->set_vlan_ports)
++ return -EOPNOTSUPP;
++
++ for (i = 0; i < val->len; i++) {
++ if (ports[i].id >= dev->ports)
++ return -EINVAL;
++
++ if (ops->set_port_pvid &&
++ !(ports[i].flags & (1 << SWITCH_PORT_FLAG_TAGGED)))
++ ops->set_port_pvid(dev, ports[i].id, val->port_vlan);
++ }
++
++ return ops->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->ops->set_port_pvid)
++ return -EOPNOTSUPP;
++
++ return dev->ops->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->ops->get_port_pvid)
++ return -EOPNOTSUPP;
++
++ 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)
++{
++ /* don't complain if not supported by the switch driver */
++ if (!dev->ops->apply_config)
++ return 0;
++
++ return dev->ops->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->ops->reset_switch)
++ return 0;
++
++ return dev->ops->reset_switch(dev);
++}
++
++enum global_defaults {
++ GLOBAL_APPLY,
++ GLOBAL_RESET,
++};
++
++enum vlan_defaults {
++ VLAN_PORTS,
++};
++
++enum port_defaults {
++ PORT_PVID,
++ PORT_LINK,
++};
++
++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,
++ },
++ [PORT_LINK] = {
++ .type = SWITCH_TYPE_STRING,
++ .name = "link",
++ .description = "Get port link information",
++ .set = NULL,
++ .get = swconfig_get_link,
++ }
++};
++
++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 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)
++{
++ const struct switch_dev_ops *ops = dev->ops;
++
++ dev->def_global = 0;
++ dev->def_vlan = 0;
++ dev->def_port = 0;
++
++ if (ops->get_vlan_ports || ops->set_vlan_ports)
++ set_bit(VLAN_PORTS, &dev->def_vlan);
++
++ 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);
++}
++
++
++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)
++ mutex_lock(&dev->sw_mutex);
++ else
++ pr_debug("device %d not found\n", id);
++ swconfig_unlock();
++done:
++ return dev;
++}
++
++static inline void
++swconfig_put_dev(struct switch_dev *dev)
++{
++ mutex_unlock(&dev->sw_mutex);
++}
++
++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_portid, info->snd_seq, &switch_fam,
++ NLM_F_MULTI, SWITCH_CMD_NEW_ATTR);
++ if (IS_ERR(hdr))
++ return -1;
++
++ 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)
++ if (nla_put_string(msg, SWITCH_ATTR_OP_DESCRIPTION,
++ op->description))
++ goto nla_put_failure;
++
++ 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_reply(cb->msg, info);
++ 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->ops->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->ops->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->ops->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_reply(cb.msg, info);
++
++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->ops->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->ops->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->ops->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)
++ pr_debug("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;
++
++ 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;
++
++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_portid, info->snd_seq, &switch_fam,
++ 0, cmd);
++ if (IS_ERR(hdr))
++ goto nla_put_failure;
++
++ switch (attr->type) {
++ case SWITCH_TYPE_INT:
++ if (nla_put_u32(msg, SWITCH_ATTR_OP_VALUE_INT, val.value.i))
++ goto nla_put_failure;
++ break;
++ case SWITCH_TYPE_STRING:
++ 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,
++ SWITCH_ATTR_OP_VALUE_PORTS, &val);
++ if (err < 0)
++ goto nla_put_failure;
++ break;
++ default:
++ pr_debug("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_reply(msg, info);
++
++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)
++{
++ 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;
++
++ 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);
++ 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).portid,
++ 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,
++ }
++};
++
++#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);
++ if (netdev) {
++ dev->netdev = netdev;
++ if (!dev->alias)
++ dev->alias = netdev->name;
++ }
++ BUG_ON(!dev->alias);
++
++ if (dev->ports > 0) {
++ 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);
++ swconfig_lock();
++ dev->id = ++swdev_id;
++
++ list_for_each_entry(sdev, &swdevs, dev_list) {
++ if (!sscanf(sdev->devname, SWCONFIG_DEVNAME, &i))
++ continue;
++ if (i < 0 || i > max_switches)
++ continue;
++
++ set_bit(i, &in_use);
++ }
++ i = find_first_zero_bit(&in_use, max_switches);
++
++ if (i == max_switches) {
++ swconfig_unlock();
++ 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);
++ mutex_lock(&dev->sw_mutex);
++ swconfig_lock();
++ list_del(&dev->dev_list);
++ swconfig_unlock();
++ mutex_unlock(&dev->sw_mutex);
++}
++EXPORT_SYMBOL_GPL(unregister_switch);
++
++
++static int __init
++swconfig_init(void)
++{
++ 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;
++
++ for (i = 0; i < ARRAY_SIZE(swconfig_ops); i++) {
++ err = genl_register_ops(&switch_fam, &swconfig_ops[i]);
++ if (err)
++ goto unregister;
++ }
++#else
++ err = genl_register_family_with_ops(&switch_fam, swconfig_ops);
++ if (err)
++ return err;
++#endif
++ 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);
++
+diff --git a/drivers/net/phy/swconfig_leds.c b/drivers/net/phy/swconfig_leds.c
+new file mode 100644
+index 0000000..abd7bed
+--- /dev/null
++++ b/drivers/net/phy/swconfig_leds.c
+@@ -0,0 +1,354 @@
++/*
++ * swconfig_led.c: LED trigger support for the switch configuration API
++ *
++ * Copyright (C) 2011 Gabor Juhos <juhosg@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.
++ *
++ */
++
++#ifdef CONFIG_SWCONFIG_LEDS
++
++#include <linux/leds.h>
++#include <linux/ctype.h>
++#include <linux/device.h>
++#include <linux/workqueue.h>
++
++#define SWCONFIG_LED_TIMER_INTERVAL (HZ / 10)
++#define SWCONFIG_LED_NUM_PORTS 32
++
++struct switch_led_trigger {
++ struct led_trigger trig;
++ struct switch_dev *swdev;
++
++ struct delayed_work sw_led_work;
++ u32 port_mask;
++ u32 port_link;
++ unsigned long port_traffic[SWCONFIG_LED_NUM_PORTS];
++};
++
++struct swconfig_trig_data {
++ struct led_classdev *led_cdev;
++ struct switch_dev *swdev;
++
++ rwlock_t lock;
++ u32 port_mask;
++
++ bool prev_