X-Git-Url: http://git.rohieb.name/openwrt.git/blobdiff_plain/c5552ad03973839d83d32d7108f20c00f192633b..5ba8709ee978e8a8c70e42f362a4934122a406ab:/target/linux/generic/files/drivers/net/phy/swconfig.c?ds=sidebyside diff --git a/target/linux/generic/files/drivers/net/phy/swconfig.c b/target/linux/generic/files/drivers/net/phy/swconfig.c index dea8e78b7..e772c9448 100644 --- a/target/linux/generic/files/drivers/net/phy/swconfig.c +++ b/target/linux/generic/files/drivers/net/phy/swconfig.c @@ -31,12 +31,16 @@ #define DPRINTF(...) do {} while(0) #endif +#define SWCONFIG_DEVNAME "switch%d" + +#include "swconfig_leds.c" + MODULE_AUTHOR("Felix Fietkau "); MODULE_LICENSE("GPL"); static int swdev_id = 0; static struct list_head swdevs; -static spinlock_t swdevs_lock = SPIN_LOCK_UNLOCKED; +static DEFINE_SPINLOCK(swdevs_lock); struct swconfig_callback; struct swconfig_callback @@ -65,10 +69,10 @@ swconfig_get_vlan_ports(struct switch_dev *dev, const struct switch_attr *attr, if (val->port_vlan >= dev->vlans) return -EINVAL; - if (!dev->get_vlan_ports) + if (!dev->ops->get_vlan_ports) return -EOPNOTSUPP; - ret = dev->get_vlan_ports(dev, val); + ret = dev->ops->get_vlan_ports(dev, val); return ret; } @@ -76,6 +80,7 @@ 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) @@ -85,18 +90,19 @@ swconfig_set_vlan_ports(struct switch_dev *dev, const struct switch_attr *attr, if (val->len > dev->ports) return -EINVAL; - if (!dev->set_vlan_ports) + if (!ops->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); + 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 dev->set_vlan_ports(dev, val); + return ops->set_vlan_ports(dev, val); } static int @@ -105,10 +111,10 @@ swconfig_set_pvid(struct switch_dev *dev, const struct switch_attr *attr, struct if (val->port_vlan >= dev->ports) return -EINVAL; - if (!dev->set_port_pvid) + if (!dev->ops->set_port_pvid) return -EOPNOTSUPP; - return dev->set_port_pvid(dev, val->port_vlan, val->value.i); + return dev->ops->set_port_pvid(dev, val->port_vlan, val->value.i); } static int @@ -117,30 +123,86 @@ swconfig_get_pvid(struct switch_dev *dev, const struct switch_attr *attr, struct if (val->port_vlan >= dev->ports) return -EINVAL; - if (!dev->get_port_pvid) + 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; - return dev->get_port_pvid(dev, val->port_vlan, &val->value.i); + 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->apply_config) + if (!dev->ops->apply_config) return 0; - return dev->apply_config(dev); + 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->reset_switch) + if (!dev->ops->reset_switch) return 0; - return dev->reset_switch(dev); + return dev->ops->reset_switch(dev); } enum global_defaults { @@ -154,6 +216,7 @@ enum vlan_defaults { enum port_defaults { PORT_PVID, + PORT_LINK, }; static struct switch_attr default_global[] = { @@ -178,6 +241,13 @@ static struct switch_attr default_port[] = { .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, } }; @@ -191,19 +261,36 @@ static struct switch_attr default_vlan[] = { }, }; +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 (dev->get_vlan_ports || dev->set_vlan_ports) + if (ops->get_vlan_ports || ops->set_vlan_ports) set_bit(VLAN_PORTS, &dev->def_vlan); - if (dev->get_port_pvid || dev->set_port_pvid) + 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); @@ -266,7 +353,7 @@ swconfig_get_dev(struct genl_info *info) break; } if (dev) - spin_lock(&dev->lock); + mutex_lock(&dev->sw_mutex); else DPRINTF("device %d not found\n", id); swconfig_unlock(); @@ -277,7 +364,7 @@ done: static inline void swconfig_put_dev(struct switch_dev *dev) { - spin_unlock(&dev->lock); + mutex_unlock(&dev->sw_mutex); } static int @@ -335,7 +422,7 @@ swconfig_send_multipart(struct swconfig_callback *cb, void *arg) if (cb->close(cb, arg) < 0) goto error; } - err = genlmsg_unicast(cb->msg, info->snd_pid); + err = genlmsg_reply(cb->msg, info); cb->msg = NULL; if (err < 0) goto error; @@ -371,19 +458,19 @@ swconfig_list_attrs(struct sk_buff *skb, struct genl_info *info) switch(hdr->cmd) { case SWITCH_CMD_LIST_GLOBAL: - alist = &dev->attr_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->attr_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->attr_port; + alist = &dev->ops->attr_port; def_list = default_port; def_active = &dev->def_port; n_def = ARRAY_SIZE(default_port); @@ -419,7 +506,7 @@ swconfig_list_attrs(struct sk_buff *skb, struct genl_info *info) if (!cb.msg) return 0; - return genlmsg_unicast(cb.msg, info->snd_pid); + return genlmsg_reply(cb.msg, info); error: if (cb.msg) @@ -449,14 +536,14 @@ swconfig_lookup_attr(struct switch_dev *dev, struct genl_info *info, switch(hdr->cmd) { case SWITCH_CMD_SET_GLOBAL: case SWITCH_CMD_GET_GLOBAL: - alist = &dev->attr_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->attr_vlan; + alist = &dev->ops->attr_vlan; def_list = default_vlan; def_active = &dev->def_vlan; n_def = ARRAY_SIZE(default_vlan); @@ -468,7 +555,7 @@ swconfig_lookup_attr(struct switch_dev *dev, struct genl_info *info, break; case SWITCH_CMD_SET_PORT: case SWITCH_CMD_GET_PORT: - alist = &dev->attr_port; + alist = &dev->ops->attr_port; def_list = default_port; def_active = &dev->def_port; n_def = ARRAY_SIZE(default_port); @@ -732,7 +819,7 @@ swconfig_get_attr(struct sk_buff *skb, struct genl_info *info) goto nla_put_failure; swconfig_put_dev(dev); - return genlmsg_unicast(msg, info->snd_pid); + return genlmsg_reply(msg, info); nla_put_failure: if (msg) @@ -756,8 +843,9 @@ swconfig_send_switch(struct sk_buff *msg, u32 pid, u32 seq, int flags, 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_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); @@ -853,13 +941,19 @@ static struct genl_ops swconfig_ops[] = { 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->devname) - dev->devname = netdev->name; + if (!dev->alias) + dev->alias = netdev->name; } - BUG_ON(!dev->devname); + BUG_ON(!dev->alias); if (dev->ports > 0) { dev->portbuf = kzalloc(sizeof(struct switch_port) * dev->ports, @@ -867,13 +961,36 @@ register_switch(struct switch_dev *dev, struct net_device *netdev) if (!dev->portbuf) return -ENOMEM; } - dev->id = ++swdev_id; swconfig_defaults_init(dev); - spin_lock_init(&dev->lock); + 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; + } + + /* 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); @@ -881,12 +998,13 @@ 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);