/*
* swconfig.c: Switch configuration API
*
- * Copyright (C) 2008 Felix Fietkau <nbd@openwrt.org>
+ * Copyright (C) 2008 Felix Fietkau <nbd@nbd.name>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
#include <linux/switch.h>
#include <linux/of.h>
#include <linux/version.h>
+#include <uapi/linux/mii.h>
#define SWCONFIG_DEVNAME "switch%d"
#include "swconfig_leds.c"
-MODULE_AUTHOR("Felix Fietkau <nbd@openwrt.org>");
+MODULE_AUTHOR("Felix Fietkau <nbd@nbd.name>");
MODULE_LICENSE("GPL");
static int swdev_id;
static struct list_head swdevs;
-static DEFINE_SPINLOCK(swdevs_lock);
+static DEFINE_MUTEX(swdevs_lock);
struct swconfig_callback;
struct swconfig_callback {
}
-static struct genl_family switch_fam = {
- .id = GENL_ID_GENERATE,
- .name = "switch",
- .hdrsize = 0,
- .version = 1,
- .maxattr = SWITCH_ATTR_MAX,
-};
+static struct genl_family switch_fam;
static const struct nla_policy switch_policy[SWITCH_ATTR_MAX+1] = {
[SWITCH_ATTR_ID] = { .type = NLA_U32 },
static inline void
swconfig_lock(void)
{
- spin_lock(&swdevs_lock);
+ mutex_lock(&swdevs_lock);
}
static inline void
swconfig_unlock(void)
{
- spin_unlock(&swdevs_lock);
+ mutex_unlock(&swdevs_lock);
}
static struct switch_dev *
struct genlmsghdr *hdr = nlmsg_data(info->nlhdr);
const struct switch_attrlist *alist;
const struct switch_attr *attr = NULL;
- int attr_id;
+ unsigned int attr_id;
/* defaults */
struct switch_attr *def_list;
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];
+ struct switch_port *port;
if (val->len >= max)
return -EINVAL;
+ port = &val->value.ports[val->len];
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(5,2,0)
+ if (nla_parse_nested_deprecated(tb, SWITCH_PORT_ATTR_MAX, nla,
+ port_policy, NULL))
+#else
if (nla_parse_nested(tb, SWITCH_PORT_ATTR_MAX, nla,
- port_policy))
+ port_policy, NULL))
+#endif
return -EINVAL;
if (!tb[SWITCH_PORT_ID])
{
struct nlattr *tb[SWITCH_LINK_ATTR_MAX + 1];
- if (nla_parse_nested(tb, SWITCH_LINK_ATTR_MAX, nla, link_policy))
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(5,2,0)
+ if (nla_parse_nested_deprecated(tb, SWITCH_LINK_ATTR_MAX, nla, link_policy, NULL))
+#else
+ if (nla_parse_nested(tb, SWITCH_LINK_ATTR_MAX, nla, link_policy, NULL))
+#endif
return -EINVAL;
link->duplex = !!tb[SWITCH_LINK_FLAG_DUPLEX];
struct switch_val val;
int err = -EINVAL;
+ if (!capable(CAP_NET_ADMIN))
+ return -EPERM;
+
dev = swconfig_get_dev(info);
if (!dev)
return -EINVAL;
default:
pr_debug("invalid type in attribute\n");
err = -EINVAL;
- goto error;
+ goto nla_put_failure;
}
genlmsg_end(msg, hdr);
err = msg->len;
static struct genl_ops swconfig_ops[] = {
{
.cmd = SWITCH_CMD_LIST_GLOBAL,
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(5,2,0)
+ .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
+#endif
.doit = swconfig_list_attrs,
+#if LINUX_VERSION_CODE < KERNEL_VERSION(5, 2, 0)
.policy = switch_policy,
+#endif
},
{
.cmd = SWITCH_CMD_LIST_VLAN,
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(5,2,0)
+ .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
+#endif
.doit = swconfig_list_attrs,
+#if LINUX_VERSION_CODE < KERNEL_VERSION(5, 2, 0)
.policy = switch_policy,
+#endif
},
{
.cmd = SWITCH_CMD_LIST_PORT,
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(5,2,0)
+ .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
+#endif
.doit = swconfig_list_attrs,
+#if LINUX_VERSION_CODE < KERNEL_VERSION(5, 2, 0)
.policy = switch_policy,
+#endif
},
{
.cmd = SWITCH_CMD_GET_GLOBAL,
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(5,2,0)
+ .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
+#endif
.doit = swconfig_get_attr,
+#if LINUX_VERSION_CODE < KERNEL_VERSION(5, 2, 0)
.policy = switch_policy,
+#endif
},
{
.cmd = SWITCH_CMD_GET_VLAN,
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(5,2,0)
+ .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
+#endif
.doit = swconfig_get_attr,
+#if LINUX_VERSION_CODE < KERNEL_VERSION(5, 2, 0)
.policy = switch_policy,
+#endif
},
{
.cmd = SWITCH_CMD_GET_PORT,
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(5,2,0)
+ .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
+#endif
.doit = swconfig_get_attr,
+#if LINUX_VERSION_CODE < KERNEL_VERSION(5, 2, 0)
.policy = switch_policy,
+#endif
},
{
.cmd = SWITCH_CMD_SET_GLOBAL,
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(5,2,0)
+ .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
+#endif
+ .flags = GENL_ADMIN_PERM,
.doit = swconfig_set_attr,
+#if LINUX_VERSION_CODE < KERNEL_VERSION(5, 2, 0)
.policy = switch_policy,
+#endif
},
{
.cmd = SWITCH_CMD_SET_VLAN,
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(5,2,0)
+ .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
+#endif
+ .flags = GENL_ADMIN_PERM,
.doit = swconfig_set_attr,
+#if LINUX_VERSION_CODE < KERNEL_VERSION(5, 2, 0)
.policy = switch_policy,
+#endif
},
{
.cmd = SWITCH_CMD_SET_PORT,
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(5,2,0)
+ .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
+#endif
+ .flags = GENL_ADMIN_PERM,
.doit = swconfig_set_attr,
+#if LINUX_VERSION_CODE < KERNEL_VERSION(5, 2, 0)
.policy = switch_policy,
+#endif
},
{
.cmd = SWITCH_CMD_GET_SWITCH,
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(5,2,0)
+ .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
+#endif
.dumpit = swconfig_dump_switches,
+#if LINUX_VERSION_CODE < KERNEL_VERSION(5, 2, 0)
.policy = switch_policy,
+#endif
.done = swconfig_done,
}
};
+static struct genl_family switch_fam = {
+ .name = "switch",
+ .hdrsize = 0,
+ .version = 1,
+ .maxattr = SWITCH_ATTR_MAX,
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 2, 0)
+ .policy = switch_policy,
+#endif
+ .module = THIS_MODULE,
+ .ops = swconfig_ops,
+ .n_ops = ARRAY_SIZE(swconfig_ops),
+};
+
#ifdef CONFIG_OF
void
of_switch_load_portmap(struct switch_dev *dev)
}
BUG_ON(!dev->alias);
+ /* Make sure swdev_id doesn't overflow */
+ if (swdev_id == INT_MAX) {
+ return -ENOMEM;
+ }
+
if (dev->ports > 0) {
dev->portbuf = kzalloc(sizeof(struct switch_port) *
dev->ports, GFP_KERNEL);
}
EXPORT_SYMBOL_GPL(unregister_switch);
+int
+switch_generic_set_link(struct switch_dev *dev, int port,
+ struct switch_port_link *link)
+{
+ if (WARN_ON(!dev->ops->phy_write16))
+ return -ENOTSUPP;
+
+ /* Generic implementation */
+ if (link->aneg) {
+ dev->ops->phy_write16(dev, port, MII_BMCR, 0x0000);
+ dev->ops->phy_write16(dev, port, MII_BMCR, BMCR_ANENABLE | BMCR_ANRESTART);
+ } else {
+ u16 bmcr = 0;
+
+ if (link->duplex)
+ bmcr |= BMCR_FULLDPLX;
+
+ switch (link->speed) {
+ case SWITCH_PORT_SPEED_10:
+ break;
+ case SWITCH_PORT_SPEED_100:
+ bmcr |= BMCR_SPEED100;
+ break;
+ case SWITCH_PORT_SPEED_1000:
+ bmcr |= BMCR_SPEED1000;
+ break;
+ default:
+ return -ENOTSUPP;
+ }
+
+ dev->ops->phy_write16(dev, port, MII_BMCR, bmcr);
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(switch_generic_set_link);
static int __init
swconfig_init(void)
{
- int err;
-
INIT_LIST_HEAD(&swdevs);
-
- err = genl_register_family_with_ops(&switch_fam, swconfig_ops);
- if (err)
- return err;
- return 0;
+
+ return genl_register_family(&switch_fam);
}
static void __exit
module_init(swconfig_init);
module_exit(swconfig_exit);
-
projects / openwrt / staging / chunkeey.git / blobdiff