openvswitch_sources = \
actions.c \
- brc_sysfs_dp.c \
- brc_sysfs_if.c \
datapath.c \
dp_dev.c \
dp_notify.c \
+ dp_sysfs_dp.c \
+ dp_sysfs_if.c \
flow.c \
table.c
openvswitch_headers = \
actions.h \
- brc_sysfs.h \
compat.h \
datapath.h \
dp_dev.h \
+ dp_sysfs.h \
flow.h
dist_sources = $(foreach module,$(dist_modules),$($(module)_sources))
+++ /dev/null
-/*
- * Copyright (c) 2009 Nicira Networks.
- * Distributed under the terms of the GNU GPL version 2.
- *
- * Significant portions of this file may be copied from parts of the Linux
- * kernel, by Linus Torvalds and others.
- */
-
-#ifndef BRC_SYSFS_H
-#define BRC_SYSFS_H 1
-
-struct datapath;
-struct net_bridge_port;
-
-/* brc_sysfs_dp.c */
-int brc_sysfs_add_dp(struct datapath *dp);
-int brc_sysfs_del_dp(struct datapath *dp);
-
-/* brc_sysfs_if.c */
-int brc_sysfs_add_if(struct net_bridge_port *p);
-int brc_sysfs_del_if(struct net_bridge_port *p);
-
-#include <linux/version.h>
-#if LINUX_VERSION_CODE == KERNEL_VERSION(2,6,18)
-#define SUPPORT_SYSFS 1
-#else
-/* We only support sysfs on Linux 2.6.18 because that's the only place we
- * really need it (on Xen, for brcompat) and it's a big pain to try to support
- * multiple versions. */
-#endif
-
-#endif /* brc_sysfs.h */
-
+++ /dev/null
-/*
- * Copyright (c) 2009 Nicira Networks.
- * Distributed under the terms of the GNU GPL version 2.
- *
- * Significant portions of this file may be copied from parts of the Linux
- * kernel, by Linus Torvalds and others.
- */
-
-#include <linux/version.h>
-
-/*
- * Sysfs attributes of bridge for Open vSwitch
- *
- * This has been shamelessly copied from the kernel sources.
- */
-
-#include <linux/capability.h>
-#include <linux/device.h>
-#include <linux/kernel.h>
-#include <linux/netdevice.h>
-#include <linux/if_bridge.h>
-#include <linux/rtnetlink.h>
-#include <linux/spinlock.h>
-#include <linux/times.h>
-#include <linux/version.h>
-
-#include "brc_sysfs.h"
-#include "datapath.h"
-#include "dp_dev.h"
-
-#ifdef SUPPORT_SYSFS
-#define to_dev(obj) container_of(obj, struct device, kobj)
-
-/* Hack to attempt to build on more platforms. */
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21)
-#define to_kobj(d) &(d)->class_dev.kobj
-#define BRC_DEVICE_ATTR CLASS_DEVICE_ATTR
-#else
-#define to_kobj(d) &(d)->dev.kobj
-#define BRC_DEVICE_ATTR DEVICE_ATTR
-#endif
-
-/*
- * Common code for storing bridge parameters.
- */
-static ssize_t store_bridge_parm(struct class_device *d,
- const char *buf, size_t len,
- void (*set)(struct datapath *, unsigned long))
-{
- struct datapath *dp = dp_dev_get_dp(to_net_dev(d));
- char *endp;
- unsigned long val;
-
- if (!capable(CAP_NET_ADMIN))
- return -EPERM;
-
- val = simple_strtoul(buf, &endp, 0);
- if (endp == buf)
- return -EINVAL;
-
-#if 0
- spin_lock_bh(&br->lock);
- (*set)(br, val);
- spin_unlock_bh(&br->lock);
-#else
- /* xxx We use a default value of 0 for all fields. If the caller is
- * xxx attempting to set the value to our default, just silently
- * xxx ignore the request.
- */
- if (val != 0) {
- printk("%s: xxx writing dp parms not supported yet!\n",
- dp_name(dp));
- }
-#endif
- return len;
-}
-
-
-static ssize_t show_forward_delay(struct class_device *d,
- char *buf)
-{
-#if 0
- struct datapath *dp = dp_dev_get_dp(to_net_dev(d));
- return sprintf(buf, "%lu\n", jiffies_to_clock_t(br->forward_delay));
-#else
- return sprintf(buf, "%d\n", 0);
-#endif
-}
-
-static void set_forward_delay(struct datapath *dp, unsigned long val)
-{
-#if 0
- unsigned long delay = clock_t_to_jiffies(val);
- br->forward_delay = delay;
- if (br_is_root_bridge(br))
- br->bridge_forward_delay = delay;
-#else
- printk("%s: xxx attempt to set_forward_delay()\n", dp_name(dp));
-#endif
-}
-
-static ssize_t store_forward_delay(struct class_device *d,
- const char *buf, size_t len)
-{
- return store_bridge_parm(d, buf, len, set_forward_delay);
-}
-static BRC_DEVICE_ATTR(forward_delay, S_IRUGO | S_IWUSR,
- show_forward_delay, store_forward_delay);
-
-static ssize_t show_hello_time(struct class_device *d, char *buf)
-{
-#if 0
- return sprintf(buf, "%lu\n",
- jiffies_to_clock_t(to_bridge(d)->hello_time));
-#else
- return sprintf(buf, "%d\n", 0);
-#endif
-}
-
-static void set_hello_time(struct datapath *dp, unsigned long val)
-{
-#if 0
- unsigned long t = clock_t_to_jiffies(val);
- br->hello_time = t;
- if (br_is_root_bridge(br))
- br->bridge_hello_time = t;
-#else
- printk("%s: xxx attempt to set_hello_time()\n", dp_name(dp));
-#endif
-}
-
-static ssize_t store_hello_time(struct class_device *d,
- const char *buf,
- size_t len)
-{
- return store_bridge_parm(d, buf, len, set_hello_time);
-}
-static BRC_DEVICE_ATTR(hello_time, S_IRUGO | S_IWUSR, show_hello_time,
- store_hello_time);
-
-static ssize_t show_max_age(struct class_device *d,
- char *buf)
-{
-#if 0
- return sprintf(buf, "%lu\n",
- jiffies_to_clock_t(to_bridge(d)->max_age));
-#else
- return sprintf(buf, "%d\n", 0);
-#endif
-}
-
-static void set_max_age(struct datapath *dp, unsigned long val)
-{
-#if 0
- unsigned long t = clock_t_to_jiffies(val);
- br->max_age = t;
- if (br_is_root_bridge(br))
- br->bridge_max_age = t;
-#else
- printk("%s: xxx attempt to set_max_age()\n", dp_name(dp));
-#endif
-}
-
-static ssize_t store_max_age(struct class_device *d,
- const char *buf, size_t len)
-{
- return store_bridge_parm(d, buf, len, set_max_age);
-}
-static BRC_DEVICE_ATTR(max_age, S_IRUGO | S_IWUSR, show_max_age, store_max_age);
-
-static ssize_t show_ageing_time(struct class_device *d,
- char *buf)
-{
-#if 0
- struct datapath *dp = dp_dev_get_dp(to_net_dev(d));
- return sprintf(buf, "%lu\n", jiffies_to_clock_t(br->ageing_time));
-#else
- return sprintf(buf, "%d\n", 0);
-#endif
-}
-
-static void set_ageing_time(struct datapath *dp, unsigned long val)
-{
-#if 0
- br->ageing_time = clock_t_to_jiffies(val);
-#else
- printk("%s: xxx attempt to set_ageing_time()\n", dp_name(dp));
-#endif
-}
-
-static ssize_t store_ageing_time(struct class_device *d,
- const char *buf, size_t len)
-{
- return store_bridge_parm(d, buf, len, set_ageing_time);
-}
-static BRC_DEVICE_ATTR(ageing_time, S_IRUGO | S_IWUSR, show_ageing_time,
- store_ageing_time);
-
-static ssize_t show_stp_state(struct class_device *d,
- char *buf)
-{
-#if 0
- struct datapath *dp = dp_dev_get_dp(to_net_dev(d));
- return sprintf(buf, "%d\n", br->stp_enabled);
-#else
- return sprintf(buf, "%d\n", 0);
-#endif
-}
-
-
-static ssize_t store_stp_state(struct class_device *d,
- const char *buf,
- size_t len)
-{
- struct datapath *dp = dp_dev_get_dp(to_net_dev(d));
-#if 0
- char *endp;
- unsigned long val;
-
- if (!capable(CAP_NET_ADMIN))
- return -EPERM;
-
- val = simple_strtoul(buf, &endp, 0);
- if (endp == buf)
- return -EINVAL;
-
- rtnl_lock();
- br_stp_set_enabled(br, val);
- rtnl_unlock();
-#else
- printk("%s: xxx attempt to set_stp_state()\n", dp_name(dp));
-#endif
-
- return len;
-}
-static BRC_DEVICE_ATTR(stp_state, S_IRUGO | S_IWUSR, show_stp_state,
- store_stp_state);
-
-static ssize_t show_priority(struct class_device *d,
- char *buf)
-{
-#if 0
- struct datapath *dp = dp_dev_get_dp(to_net_dev(d));
- return sprintf(buf, "%d\n",
- (br->bridge_id.prio[0] << 8) | br->bridge_id.prio[1]);
-#else
- return sprintf(buf, "%d\n", 0);
-#endif
-}
-
-static void set_priority(struct datapath *dp, unsigned long val)
-{
-#if 0
- br_stp_set_bridge_priority(br, (u16) val);
-#else
- printk("%s: xxx attempt to set_priority()\n", dp_name(dp));
-#endif
-}
-
-static ssize_t store_priority(struct class_device *d,
- const char *buf, size_t len)
-{
- return store_bridge_parm(d, buf, len, set_priority);
-}
-static BRC_DEVICE_ATTR(priority, S_IRUGO | S_IWUSR, show_priority, store_priority);
-
-static ssize_t show_root_id(struct class_device *d,
- char *buf)
-{
-#if 0
- return br_show_bridge_id(buf, &to_bridge(d)->designated_root);
-#else
- return sprintf(buf, "0000.010203040506\n");
-#endif
-}
-static BRC_DEVICE_ATTR(root_id, S_IRUGO, show_root_id, NULL);
-
-static ssize_t show_bridge_id(struct class_device *d,
- char *buf)
-{
- struct datapath *dp = dp_dev_get_dp(to_net_dev(d));
- const unsigned char *addr = dp->ports[ODPP_LOCAL]->dev->dev_addr;
-
- /* xxx Do we need a lock of some sort? */
- return sprintf(buf, "%.2x%.2x.%.2x%.2x%.2x%.2x%.2x%.2x\n",
- 0, 0, addr[0], addr[1], addr[2], addr[3], addr[4], addr[5]);
-}
-static BRC_DEVICE_ATTR(bridge_id, S_IRUGO, show_bridge_id, NULL);
-
-static ssize_t show_root_port(struct class_device *d,
- char *buf)
-{
-#if 0
- return sprintf(buf, "%d\n", to_bridge(d)->root_port);
-#else
- return sprintf(buf, "%d\n", 0);
-#endif
-}
-static BRC_DEVICE_ATTR(root_port, S_IRUGO, show_root_port, NULL);
-
-static ssize_t show_root_path_cost(struct class_device *d,
- char *buf)
-{
-#if 0
- return sprintf(buf, "%d\n", to_bridge(d)->root_path_cost);
-#else
- return sprintf(buf, "%d\n", 0);
-#endif
-}
-static BRC_DEVICE_ATTR(root_path_cost, S_IRUGO, show_root_path_cost, NULL);
-
-static ssize_t show_topology_change(struct class_device *d,
- char *buf)
-{
-#if 0
- return sprintf(buf, "%d\n", to_bridge(d)->topology_change);
-#else
- return sprintf(buf, "%d\n", 0);
-#endif
-}
-static BRC_DEVICE_ATTR(topology_change, S_IRUGO, show_topology_change, NULL);
-
-static ssize_t show_topology_change_detected(struct class_device *d,
- char *buf)
-{
-#if 0
- struct datapath *dp = dp_dev_get_dp(to_net_dev(d));
- return sprintf(buf, "%d\n", br->topology_change_detected);
-#else
- return sprintf(buf, "%d\n", 0);
-#endif
-}
-static BRC_DEVICE_ATTR(topology_change_detected, S_IRUGO,
- show_topology_change_detected, NULL);
-
-static ssize_t show_hello_timer(struct class_device *d,
- char *buf)
-{
-#if 0
- struct datapath *dp = dp_dev_get_dp(to_net_dev(d));
- return sprintf(buf, "%ld\n", br_timer_value(&br->hello_timer));
-#else
- return sprintf(buf, "%d\n", 0);
-#endif
-}
-static BRC_DEVICE_ATTR(hello_timer, S_IRUGO, show_hello_timer, NULL);
-
-static ssize_t show_tcn_timer(struct class_device *d,
- char *buf)
-{
-#if 0
- struct datapath *dp = dp_dev_get_dp(to_net_dev(d));
- return sprintf(buf, "%ld\n", br_timer_value(&br->tcn_timer));
-#else
- return sprintf(buf, "%d\n", 0);
-#endif
-}
-static BRC_DEVICE_ATTR(tcn_timer, S_IRUGO, show_tcn_timer, NULL);
-
-static ssize_t show_topology_change_timer(struct class_device *d,
- char *buf)
-{
-#if 0
- struct datapath *dp = dp_dev_get_dp(to_net_dev(d));
- return sprintf(buf, "%ld\n", br_timer_value(&br->topology_change_timer));
-#else
- return sprintf(buf, "%d\n", 0);
-#endif
-}
-static BRC_DEVICE_ATTR(topology_change_timer, S_IRUGO, show_topology_change_timer,
- NULL);
-
-static ssize_t show_gc_timer(struct class_device *d,
- char *buf)
-{
-#if 0
- struct datapath *dp = dp_dev_get_dp(to_net_dev(d));
- return sprintf(buf, "%ld\n", br_timer_value(&br->gc_timer));
-#else
- return sprintf(buf, "%d\n", 0);
-#endif
-}
-static BRC_DEVICE_ATTR(gc_timer, S_IRUGO, show_gc_timer, NULL);
-
-static ssize_t show_group_addr(struct class_device *d,
- char *buf)
-{
-#if 0
- struct datapath *dp = dp_dev_get_dp(to_net_dev(d));
- return sprintf(buf, "%x:%x:%x:%x:%x:%x\n",
- br->group_addr[0], br->group_addr[1],
- br->group_addr[2], br->group_addr[3],
- br->group_addr[4], br->group_addr[5]);
-#else
- return sprintf(buf, "00:01:02:03:04:05\n");
-#endif
-}
-
-static ssize_t store_group_addr(struct class_device *d,
- const char *buf, size_t len)
-{
- struct datapath *dp = dp_dev_get_dp(to_net_dev(d));
-#if 0
- unsigned new_addr[6];
- int i;
-
- if (!capable(CAP_NET_ADMIN))
- return -EPERM;
-
- if (sscanf(buf, "%x:%x:%x:%x:%x:%x",
- &new_addr[0], &new_addr[1], &new_addr[2],
- &new_addr[3], &new_addr[4], &new_addr[5]) != 6)
- return -EINVAL;
-
- /* Must be 01:80:c2:00:00:0X */
- for (i = 0; i < 5; i++)
- if (new_addr[i] != br_group_address[i])
- return -EINVAL;
-
- if (new_addr[5] & ~0xf)
- return -EINVAL;
-
- if (new_addr[5] == 1 /* 802.3x Pause address */
- || new_addr[5] == 2 /* 802.3ad Slow protocols */
- || new_addr[5] == 3) /* 802.1X PAE address */
- return -EINVAL;
-
- spin_lock_bh(&br->lock);
- for (i = 0; i < 6; i++)
- br->group_addr[i] = new_addr[i];
- spin_unlock_bh(&br->lock);
-#else
- printk("%s: xxx attempt to store_group_addr()\n", dp_name(dp));
-#endif
- return len;
-}
-
-static BRC_DEVICE_ATTR(group_addr, S_IRUGO | S_IWUSR,
- show_group_addr, store_group_addr);
-
-static struct attribute *bridge_attrs[] = {
- &class_device_attr_forward_delay.attr,
- &class_device_attr_hello_time.attr,
- &class_device_attr_max_age.attr,
- &class_device_attr_ageing_time.attr,
- &class_device_attr_stp_state.attr,
- &class_device_attr_priority.attr,
- &class_device_attr_bridge_id.attr,
- &class_device_attr_root_id.attr,
- &class_device_attr_root_path_cost.attr,
- &class_device_attr_root_port.attr,
- &class_device_attr_topology_change.attr,
- &class_device_attr_topology_change_detected.attr,
- &class_device_attr_hello_timer.attr,
- &class_device_attr_tcn_timer.attr,
- &class_device_attr_topology_change_timer.attr,
- &class_device_attr_gc_timer.attr,
- &class_device_attr_group_addr.attr,
- NULL
-};
-
-static struct attribute_group bridge_group = {
- .name = SYSFS_BRIDGE_ATTR,
- .attrs = bridge_attrs,
-};
-
-/*
- * Add entries in sysfs onto the existing network class device
- * for the bridge.
- * Adds a attribute group "bridge" containing tuning parameters.
- * Sub directory to hold links to interfaces.
- *
- * Note: the ifobj exists only to be a subdirectory
- * to hold links. The ifobj exists in the same data structure
- * as its parent the bridge so reference counting works.
- */
-int brc_sysfs_add_dp(struct datapath *dp)
-{
- struct kobject *kobj = to_kobj(dp->ports[ODPP_LOCAL]->dev);
- int err;
-
- err = sysfs_create_group(kobj, &bridge_group);
- if (err) {
- pr_info("%s: can't create group %s/%s\n",
- __func__, dp_name(dp), bridge_group.name);
- goto out1;
- }
-
- /* Create /sys/class/net/<devname>/bridge directory. */
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,25)
- kobject_set_name(&dp->ifobj, SYSFS_BRIDGE_PORT_SUBDIR); /* "bridge" */
- dp->ifobj.ktype = NULL;
- dp->ifobj.kset = NULL;
- dp->ifobj.parent = kobj;
-
- err = kobject_register(&dp->ifobj);
- if (err) {
- pr_info("%s: can't add kobject (directory) %s/%s\n",
- __FUNCTION__, dp_name(dp), dp->ifobj.name);
- goto out2;
- }
-#else
- br->ifobj = kobject_create_and_add(SYSFS_BRIDGE_PORT_SUBDIR, kobj);
- if (!br->ifobj) {
- pr_info("%s: can't add kobject (directory) %s/%s\n",
- __func__, dp_name(dp), SYSFS_BRIDGE_PORT_SUBDIR);
- goto out2;
- }
-#endif
- return 0;
-
- out2:
- sysfs_remove_group(kobj, &bridge_group);
- out1:
- return err;
-}
-
-int brc_sysfs_del_dp(struct datapath *dp)
-{
- struct kobject *kobj = to_kobj(dp->ports[ODPP_LOCAL]->dev);
-
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,25)
- kobject_unregister(&dp->ifobj);
-#else
- kobject_put(dp->ifobj);
-#endif
- sysfs_remove_group(kobj, &bridge_group);
-
- return 0;
-}
-#else /* !SUPPORT_SYSFS */
-int brc_sysfs_add_dp(struct datapath *dp) { return 0; }
-int brc_sysfs_del_dp(struct datapath *dp) { return 0; }
-int brc_sysfs_add_if(struct net_bridge_port *p) { return 0; }
-int brc_sysfs_del_if(struct net_bridge_port *p)
-{
- dev_put(p->dev);
- kfree(p);
- return 0;
-}
-#endif /* !SUPPORT_SYSFS */
+++ /dev/null
-/*
- * Copyright (c) 2009 Nicira Networks.
- * Distributed under the terms of the GNU GPL version 2.
- *
- * Significant portions of this file may be copied from parts of the Linux
- * kernel, by Linus Torvalds and others.
- */
-
-/*
- * Sysfs attributes of bridge ports for Open vSwitch
- *
- * This has been shamelessly copied from the kernel sources.
- */
-
-#include <linux/capability.h>
-#include <linux/kernel.h>
-#include <linux/netdevice.h>
-#include <linux/if_bridge.h>
-#include <linux/rtnetlink.h>
-#include <linux/spinlock.h>
-#include "brc_sysfs.h"
-#include "datapath.h"
-
-#ifdef SUPPORT_SYSFS
-
-struct brport_attribute {
- struct attribute attr;
- ssize_t (*show)(struct net_bridge_port *, char *);
- ssize_t (*store)(struct net_bridge_port *, unsigned long);
-};
-
-#define BRPORT_ATTR(_name,_mode,_show,_store) \
-struct brport_attribute brport_attr_##_name = { \
- .attr = {.name = __stringify(_name), \
- .mode = _mode, \
- .owner = THIS_MODULE, }, \
- .show = _show, \
- .store = _store, \
-};
-
-static ssize_t show_path_cost(struct net_bridge_port *p, char *buf)
-{
-#if 0
- return sprintf(buf, "%d\n", p->path_cost);
-#else
- return sprintf(buf, "%d\n", 0);
-#endif
-}
-static ssize_t store_path_cost(struct net_bridge_port *p, unsigned long v)
-{
-#if 0
- br_stp_set_path_cost(p, v);
-#endif
- return 0;
-}
-static BRPORT_ATTR(path_cost, S_IRUGO | S_IWUSR,
- show_path_cost, store_path_cost);
-
-static ssize_t show_priority(struct net_bridge_port *p, char *buf)
-{
-#if 0
- return sprintf(buf, "%d\n", p->priority);
-#else
- return sprintf(buf, "%d\n", 0);
-#endif
-}
-static ssize_t store_priority(struct net_bridge_port *p, unsigned long v)
-{
-#if 0
- if (v >= (1<<(16-BR_PORT_BITS)))
- return -ERANGE;
- br_stp_set_port_priority(p, v);
-#endif
- return 0;
-}
-static BRPORT_ATTR(priority, S_IRUGO | S_IWUSR,
- show_priority, store_priority);
-
-static ssize_t show_designated_root(struct net_bridge_port *p, char *buf)
-{
-#if 0
- return br_show_bridge_id(buf, &p->designated_root);
-#else
- return sprintf(buf, "0000.010203040506\n");
-#endif
-}
-static BRPORT_ATTR(designated_root, S_IRUGO, show_designated_root, NULL);
-
-static ssize_t show_designated_bridge(struct net_bridge_port *p, char *buf)
-{
-#if 0
- return br_show_bridge_id(buf, &p->designated_bridge);
-#else
- return sprintf(buf, "0000.060504030201\n");
-#endif
-}
-static BRPORT_ATTR(designated_bridge, S_IRUGO, show_designated_bridge, NULL);
-
-static ssize_t show_designated_port(struct net_bridge_port *p, char *buf)
-{
-#if 0
- return sprintf(buf, "%d\n", p->designated_port);
-#else
- return sprintf(buf, "%d\n", 0);
-#endif
-}
-static BRPORT_ATTR(designated_port, S_IRUGO, show_designated_port, NULL);
-
-static ssize_t show_designated_cost(struct net_bridge_port *p, char *buf)
-{
-#if 0
- return sprintf(buf, "%d\n", p->designated_cost);
-#else
- return sprintf(buf, "%d\n", 0);
-#endif
-}
-static BRPORT_ATTR(designated_cost, S_IRUGO, show_designated_cost, NULL);
-
-static ssize_t show_port_id(struct net_bridge_port *p, char *buf)
-{
-#if 0
- return sprintf(buf, "0x%x\n", p->port_id);
-#else
- return sprintf(buf, "0x%x\n", 0);
-#endif
-}
-static BRPORT_ATTR(port_id, S_IRUGO, show_port_id, NULL);
-
-static ssize_t show_port_no(struct net_bridge_port *p, char *buf)
-{
- return sprintf(buf, "0x%x\n", p->port_no);
-}
-
-static BRPORT_ATTR(port_no, S_IRUGO, show_port_no, NULL);
-
-static ssize_t show_change_ack(struct net_bridge_port *p, char *buf)
-{
-#if 0
- return sprintf(buf, "%d\n", p->topology_change_ack);
-#else
- return sprintf(buf, "%d\n", 0);
-#endif
-}
-static BRPORT_ATTR(change_ack, S_IRUGO, show_change_ack, NULL);
-
-static ssize_t show_config_pending(struct net_bridge_port *p, char *buf)
-{
-#if 0
- return sprintf(buf, "%d\n", p->config_pending);
-#else
- return sprintf(buf, "%d\n", 0);
-#endif
-}
-static BRPORT_ATTR(config_pending, S_IRUGO, show_config_pending, NULL);
-
-static ssize_t show_port_state(struct net_bridge_port *p, char *buf)
-{
-#if 0
- return sprintf(buf, "%d\n", p->state);
-#else
- return sprintf(buf, "%d\n", 0);
-#endif
-}
-static BRPORT_ATTR(state, S_IRUGO, show_port_state, NULL);
-
-static ssize_t show_message_age_timer(struct net_bridge_port *p,
- char *buf)
-{
-#if 0
- return sprintf(buf, "%ld\n", br_timer_value(&p->message_age_timer));
-#else
- return sprintf(buf, "%d\n", 0);
-#endif
-}
-static BRPORT_ATTR(message_age_timer, S_IRUGO, show_message_age_timer, NULL);
-
-static ssize_t show_forward_delay_timer(struct net_bridge_port *p,
- char *buf)
-{
-#if 0
- return sprintf(buf, "%ld\n", br_timer_value(&p->forward_delay_timer));
-#else
- return sprintf(buf, "%d\n", 0);
-#endif
-}
-static BRPORT_ATTR(forward_delay_timer, S_IRUGO, show_forward_delay_timer, NULL);
-
-static ssize_t show_hold_timer(struct net_bridge_port *p,
- char *buf)
-{
-#if 0
- return sprintf(buf, "%ld\n", br_timer_value(&p->hold_timer));
-#else
- return sprintf(buf, "%d\n", 0);
-#endif
-}
-static BRPORT_ATTR(hold_timer, S_IRUGO, show_hold_timer, NULL);
-
-static struct brport_attribute *brport_attrs[] = {
- &brport_attr_path_cost,
- &brport_attr_priority,
- &brport_attr_port_id,
- &brport_attr_port_no,
- &brport_attr_designated_root,
- &brport_attr_designated_bridge,
- &brport_attr_designated_port,
- &brport_attr_designated_cost,
- &brport_attr_state,
- &brport_attr_change_ack,
- &brport_attr_config_pending,
- &brport_attr_message_age_timer,
- &brport_attr_forward_delay_timer,
- &brport_attr_hold_timer,
- NULL
-};
-
-#define to_brport_attr(_at) container_of(_at, struct brport_attribute, attr)
-#define to_brport(obj) container_of(obj, struct net_bridge_port, kobj)
-
-static ssize_t brport_show(struct kobject * kobj,
- struct attribute * attr, char * buf)
-{
- struct brport_attribute * brport_attr = to_brport_attr(attr);
- struct net_bridge_port * p = to_brport(kobj);
-
- return brport_attr->show(p, buf);
-}
-
-static ssize_t brport_store(struct kobject * kobj,
- struct attribute * attr,
- const char * buf, size_t count)
-{
- struct net_bridge_port * p = to_brport(kobj);
-#if 0
- struct brport_attribute * brport_attr = to_brport_attr(attr);
- char *endp;
- unsigned long val;
-#endif
- ssize_t ret = -EINVAL;
-
- if (!capable(CAP_NET_ADMIN))
- return -EPERM;
-
-#if 0
- val = simple_strtoul(buf, &endp, 0);
- if (endp != buf) {
- rtnl_lock();
- if (p->dev && p->br && brport_attr->store) {
- spin_lock_bh(&p->br->lock);
- ret = brport_attr->store(p, val);
- spin_unlock_bh(&p->br->lock);
- if (ret == 0)
- ret = count;
- }
- rtnl_unlock();
- }
-#else
- printk("%s: xxx writing port parms not supported yet!\n",
- dp_name(p->dp));
-#endif
- return ret;
-}
-
-struct sysfs_ops brport_sysfs_ops = {
- .show = brport_show,
- .store = brport_store,
-};
-
-static void release_nbp(struct kobject *kobj)
-{
- struct net_bridge_port *p
- = container_of(kobj, struct net_bridge_port, kobj);
- kfree(p);
-}
-
-struct kobj_type brport_ktype = {
- .sysfs_ops = &brport_sysfs_ops,
- .release = release_nbp
-};
-
-/*
- * Add sysfs entries to ethernet device added to a bridge.
- * Creates a brport subdirectory with bridge attributes.
- * Puts symlink in bridge's brport subdirectory
- */
-int brc_sysfs_add_if(struct net_bridge_port *p)
-{
- struct datapath *dp = p->dp;
- struct brport_attribute **a;
- int err;
-
- /* Create /sys/class/net/<devname>/brport directory. */
- kobject_init(&p->kobj);
- kobject_set_name(&p->kobj, SYSFS_BRIDGE_PORT_ATTR); /* "brport" */
- p->kobj.ktype = &brport_ktype;
- p->kobj.kset = NULL;
- p->kobj.parent = &(p->dev->class_dev.kobj);
-
- err = kobject_add(&p->kobj);
- if (err)
- goto err_put;
-
- /* Create symlink from /sys/class/net/<devname>/brport/bridge to
- * /sys/class/net/<bridgename>. */
- err = sysfs_create_link(&p->kobj,
- &dp->ports[ODPP_LOCAL]->dev->class_dev.kobj,
- SYSFS_BRIDGE_PORT_LINK); /* "bridge" */
- if (err)
- goto err_del;
-
- /* Populate /sys/class/net/<devname>/brport directory with files. */
- for (a = brport_attrs; *a; ++a) {
- err = sysfs_create_file(&p->kobj, &((*a)->attr));
- if (err)
- goto err_del;
- }
-
- /* Create symlink from /sys/class/net/<bridgename>/brif/<devname> to
- * /sys/class/net/<devname>/brport. */
- err = sysfs_create_link(&dp->ifobj, &p->kobj, p->dev->name);
- if (err)
- goto err_del;
-
- kobject_uevent(&p->kobj, KOBJ_ADD);
-
- return err;
-
-err_del:
- kobject_del(&p->kobj);
-err_put:
- kobject_put(&p->kobj);
- return err;
-}
-
-int brc_sysfs_del_if(struct net_bridge_port *p)
-{
- struct net_device *dev = p->dev;
-
- kobject_uevent(&p->kobj, KOBJ_REMOVE);
- kobject_del(&p->kobj);
-
- dev_put(dev);
-
- kobject_put(&p->kobj);
-
- return 0;
-}
-#endif /* SUPPORT_SYSFS */
#include "compat.h"
#include "openvswitch/brcompat-netlink.h"
#include "brc_procfs.h"
-#include "brc_sysfs.h"
#include "datapath.h"
#include "dp_dev.h"
rtnl_unlock();
#ifdef SUPPORT_SYSFS
- brc_sysfs_add_dp(dp);
+ dp_sysfs_add_dp(dp);
#endif
return 0;
dp_del_port(p);
#ifdef SUPPORT_SYSFS
- brc_sysfs_del_dp(dp);
+ dp_sysfs_del_dp(dp);
#endif
rcu_assign_pointer(dps[dp->dp_idx], NULL);
goto out_put;
#ifdef SUPPORT_SYSFS
- brc_sysfs_add_if(dp->ports[port_no]);
+ dp_sysfs_add_if(dp->ports[port_no]);
#endif
out_put:
dp_dev_destroy(p->dev);
}
if (p->port_no != ODPP_LOCAL) {
- brc_sysfs_del_if(p);
+ dp_sysfs_del_if(p);
} else {
dev_put(p->dev);
kfree(p);
#include <linux/workqueue.h>
#include <linux/skbuff.h>
#include "flow.h"
-#include "brc_sysfs.h"
+#include "dp_sysfs.h"
/* Mask for the priority bits in a vlan header. If we ever merge upstream
* then this should go into include/linux/if_vlan.h. */
--- /dev/null
+/*
+ * Copyright (c) 2009 Nicira Networks.
+ * Distributed under the terms of the GNU GPL version 2.
+ *
+ * Significant portions of this file may be copied from parts of the Linux
+ * kernel, by Linus Torvalds and others.
+ */
+
+#ifndef DP_SYSFS_H
+#define DP_SYSFS_H 1
+
+struct datapath;
+struct net_bridge_port;
+
+/* dp_sysfs_dp.c */
+int dp_sysfs_add_dp(struct datapath *dp);
+int dp_sysfs_del_dp(struct datapath *dp);
+
+/* dp_sysfs_if.c */
+int dp_sysfs_add_if(struct net_bridge_port *p);
+int dp_sysfs_del_if(struct net_bridge_port *p);
+
+#include <linux/version.h>
+#if LINUX_VERSION_CODE == KERNEL_VERSION(2,6,18)
+#define SUPPORT_SYSFS 1
+#else
+/* We only support sysfs on Linux 2.6.18 because that's the only place we
+ * really need it (on Xen, for brcompat) and it's a big pain to try to support
+ * multiple versions. */
+#endif
+
+#endif /* dp_sysfs.h */
+
--- /dev/null
+/*
+ * Copyright (c) 2009 Nicira Networks.
+ * Distributed under the terms of the GNU GPL version 2.
+ *
+ * Significant portions of this file may be copied from parts of the Linux
+ * kernel, by Linus Torvalds and others.
+ */
+
+#include <linux/version.h>
+
+/*
+ * Sysfs attributes of bridge for Open vSwitch
+ *
+ * This has been shamelessly copied from the kernel sources.
+ */
+
+#include <linux/capability.h>
+#include <linux/device.h>
+#include <linux/kernel.h>
+#include <linux/netdevice.h>
+#include <linux/if_bridge.h>
+#include <linux/rtnetlink.h>
+#include <linux/spinlock.h>
+#include <linux/times.h>
+#include <linux/version.h>
+
+#include "dp_sysfs.h"
+#include "datapath.h"
+#include "dp_dev.h"
+
+#ifdef SUPPORT_SYSFS
+#define to_dev(obj) container_of(obj, struct device, kobj)
+
+/* Hack to attempt to build on more platforms. */
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21)
+#define to_kobj(d) &(d)->class_dev.kobj
+#define DP_DEVICE_ATTR CLASS_DEVICE_ATTR
+#else
+#define to_kobj(d) &(d)->dev.kobj
+#define DP_DEVICE_ATTR DEVICE_ATTR
+#endif
+
+/*
+ * Common code for storing bridge parameters.
+ */
+static ssize_t store_bridge_parm(struct class_device *d,
+ const char *buf, size_t len,
+ void (*set)(struct datapath *, unsigned long))
+{
+ struct datapath *dp = dp_dev_get_dp(to_net_dev(d));
+ char *endp;
+ unsigned long val;
+
+ if (!capable(CAP_NET_ADMIN))
+ return -EPERM;
+
+ val = simple_strtoul(buf, &endp, 0);
+ if (endp == buf)
+ return -EINVAL;
+
+#if 0
+ spin_lock_bh(&br->lock);
+ (*set)(br, val);
+ spin_unlock_bh(&br->lock);
+#else
+ /* xxx We use a default value of 0 for all fields. If the caller is
+ * xxx attempting to set the value to our default, just silently
+ * xxx ignore the request.
+ */
+ if (val != 0) {
+ printk("%s: xxx writing dp parms not supported yet!\n",
+ dp_name(dp));
+ }
+#endif
+ return len;
+}
+
+
+static ssize_t show_forward_delay(struct class_device *d,
+ char *buf)
+{
+#if 0
+ struct datapath *dp = dp_dev_get_dp(to_net_dev(d));
+ return sprintf(buf, "%lu\n", jiffies_to_clock_t(br->forward_delay));
+#else
+ return sprintf(buf, "%d\n", 0);
+#endif
+}
+
+static void set_forward_delay(struct datapath *dp, unsigned long val)
+{
+#if 0
+ unsigned long delay = clock_t_to_jiffies(val);
+ br->forward_delay = delay;
+ if (br_is_root_bridge(br))
+ br->bridge_forward_delay = delay;
+#else
+ printk("%s: xxx attempt to set_forward_delay()\n", dp_name(dp));
+#endif
+}
+
+static ssize_t store_forward_delay(struct class_device *d,
+ const char *buf, size_t len)
+{
+ return store_bridge_parm(d, buf, len, set_forward_delay);
+}
+static DP_DEVICE_ATTR(forward_delay, S_IRUGO | S_IWUSR,
+ show_forward_delay, store_forward_delay);
+
+static ssize_t show_hello_time(struct class_device *d, char *buf)
+{
+#if 0
+ return sprintf(buf, "%lu\n",
+ jiffies_to_clock_t(to_bridge(d)->hello_time));
+#else
+ return sprintf(buf, "%d\n", 0);
+#endif
+}
+
+static void set_hello_time(struct datapath *dp, unsigned long val)
+{
+#if 0
+ unsigned long t = clock_t_to_jiffies(val);
+ br->hello_time = t;
+ if (br_is_root_bridge(br))
+ br->bridge_hello_time = t;
+#else
+ printk("%s: xxx attempt to set_hello_time()\n", dp_name(dp));
+#endif
+}
+
+static ssize_t store_hello_time(struct class_device *d,
+ const char *buf,
+ size_t len)
+{
+ return store_bridge_parm(d, buf, len, set_hello_time);
+}
+static DP_DEVICE_ATTR(hello_time, S_IRUGO | S_IWUSR, show_hello_time,
+ store_hello_time);
+
+static ssize_t show_max_age(struct class_device *d,
+ char *buf)
+{
+#if 0
+ return sprintf(buf, "%lu\n",
+ jiffies_to_clock_t(to_bridge(d)->max_age));
+#else
+ return sprintf(buf, "%d\n", 0);
+#endif
+}
+
+static void set_max_age(struct datapath *dp, unsigned long val)
+{
+#if 0
+ unsigned long t = clock_t_to_jiffies(val);
+ br->max_age = t;
+ if (br_is_root_bridge(br))
+ br->bridge_max_age = t;
+#else
+ printk("%s: xxx attempt to set_max_age()\n", dp_name(dp));
+#endif
+}
+
+static ssize_t store_max_age(struct class_device *d,
+ const char *buf, size_t len)
+{
+ return store_bridge_parm(d, buf, len, set_max_age);
+}
+static DP_DEVICE_ATTR(max_age, S_IRUGO | S_IWUSR, show_max_age, store_max_age);
+
+static ssize_t show_ageing_time(struct class_device *d,
+ char *buf)
+{
+#if 0
+ struct datapath *dp = dp_dev_get_dp(to_net_dev(d));
+ return sprintf(buf, "%lu\n", jiffies_to_clock_t(br->ageing_time));
+#else
+ return sprintf(buf, "%d\n", 0);
+#endif
+}
+
+static void set_ageing_time(struct datapath *dp, unsigned long val)
+{
+#if 0
+ br->ageing_time = clock_t_to_jiffies(val);
+#else
+ printk("%s: xxx attempt to set_ageing_time()\n", dp_name(dp));
+#endif
+}
+
+static ssize_t store_ageing_time(struct class_device *d,
+ const char *buf, size_t len)
+{
+ return store_bridge_parm(d, buf, len, set_ageing_time);
+}
+static DP_DEVICE_ATTR(ageing_time, S_IRUGO | S_IWUSR, show_ageing_time,
+ store_ageing_time);
+
+static ssize_t show_stp_state(struct class_device *d,
+ char *buf)
+{
+#if 0
+ struct datapath *dp = dp_dev_get_dp(to_net_dev(d));
+ return sprintf(buf, "%d\n", br->stp_enabled);
+#else
+ return sprintf(buf, "%d\n", 0);
+#endif
+}
+
+
+static ssize_t store_stp_state(struct class_device *d,
+ const char *buf,
+ size_t len)
+{
+ struct datapath *dp = dp_dev_get_dp(to_net_dev(d));
+#if 0
+ char *endp;
+ unsigned long val;
+
+ if (!capable(CAP_NET_ADMIN))
+ return -EPERM;
+
+ val = simple_strtoul(buf, &endp, 0);
+ if (endp == buf)
+ return -EINVAL;
+
+ rtnl_lock();
+ br_stp_set_enabled(br, val);
+ rtnl_unlock();
+#else
+ printk("%s: xxx attempt to set_stp_state()\n", dp_name(dp));
+#endif
+
+ return len;
+}
+static DP_DEVICE_ATTR(stp_state, S_IRUGO | S_IWUSR, show_stp_state,
+ store_stp_state);
+
+static ssize_t show_priority(struct class_device *d,
+ char *buf)
+{
+#if 0
+ struct datapath *dp = dp_dev_get_dp(to_net_dev(d));
+ return sprintf(buf, "%d\n",
+ (br->bridge_id.prio[0] << 8) | br->bridge_id.prio[1]);
+#else
+ return sprintf(buf, "%d\n", 0);
+#endif
+}
+
+static void set_priority(struct datapath *dp, unsigned long val)
+{
+#if 0
+ br_stp_set_bridge_priority(br, (u16) val);
+#else
+ printk("%s: xxx attempt to set_priority()\n", dp_name(dp));
+#endif
+}
+
+static ssize_t store_priority(struct class_device *d,
+ const char *buf, size_t len)
+{
+ return store_bridge_parm(d, buf, len, set_priority);
+}
+static DP_DEVICE_ATTR(priority, S_IRUGO | S_IWUSR, show_priority, store_priority);
+
+static ssize_t show_root_id(struct class_device *d,
+ char *buf)
+{
+#if 0
+ return br_show_bridge_id(buf, &to_bridge(d)->designated_root);
+#else
+ return sprintf(buf, "0000.010203040506\n");
+#endif
+}
+static DP_DEVICE_ATTR(root_id, S_IRUGO, show_root_id, NULL);
+
+static ssize_t show_bridge_id(struct class_device *d,
+ char *buf)
+{
+ struct datapath *dp = dp_dev_get_dp(to_net_dev(d));
+ const unsigned char *addr = dp->ports[ODPP_LOCAL]->dev->dev_addr;
+
+ /* xxx Do we need a lock of some sort? */
+ return sprintf(buf, "%.2x%.2x.%.2x%.2x%.2x%.2x%.2x%.2x\n",
+ 0, 0, addr[0], addr[1], addr[2], addr[3], addr[4], addr[5]);
+}
+static DP_DEVICE_ATTR(bridge_id, S_IRUGO, show_bridge_id, NULL);
+
+static ssize_t show_root_port(struct class_device *d,
+ char *buf)
+{
+#if 0
+ return sprintf(buf, "%d\n", to_bridge(d)->root_port);
+#else
+ return sprintf(buf, "%d\n", 0);
+#endif
+}
+static DP_DEVICE_ATTR(root_port, S_IRUGO, show_root_port, NULL);
+
+static ssize_t show_root_path_cost(struct class_device *d,
+ char *buf)
+{
+#if 0
+ return sprintf(buf, "%d\n", to_bridge(d)->root_path_cost);
+#else
+ return sprintf(buf, "%d\n", 0);
+#endif
+}
+static DP_DEVICE_ATTR(root_path_cost, S_IRUGO, show_root_path_cost, NULL);
+
+static ssize_t show_topology_change(struct class_device *d,
+ char *buf)
+{
+#if 0
+ return sprintf(buf, "%d\n", to_bridge(d)->topology_change);
+#else
+ return sprintf(buf, "%d\n", 0);
+#endif
+}
+static DP_DEVICE_ATTR(topology_change, S_IRUGO, show_topology_change, NULL);
+
+static ssize_t show_topology_change_detected(struct class_device *d,
+ char *buf)
+{
+#if 0
+ struct datapath *dp = dp_dev_get_dp(to_net_dev(d));
+ return sprintf(buf, "%d\n", br->topology_change_detected);
+#else
+ return sprintf(buf, "%d\n", 0);
+#endif
+}
+static DP_DEVICE_ATTR(topology_change_detected, S_IRUGO,
+ show_topology_change_detected, NULL);
+
+static ssize_t show_hello_timer(struct class_device *d,
+ char *buf)
+{
+#if 0
+ struct datapath *dp = dp_dev_get_dp(to_net_dev(d));
+ return sprintf(buf, "%ld\n", br_timer_value(&br->hello_timer));
+#else
+ return sprintf(buf, "%d\n", 0);
+#endif
+}
+static DP_DEVICE_ATTR(hello_timer, S_IRUGO, show_hello_timer, NULL);
+
+static ssize_t show_tcn_timer(struct class_device *d,
+ char *buf)
+{
+#if 0
+ struct datapath *dp = dp_dev_get_dp(to_net_dev(d));
+ return sprintf(buf, "%ld\n", br_timer_value(&br->tcn_timer));
+#else
+ return sprintf(buf, "%d\n", 0);
+#endif
+}
+static DP_DEVICE_ATTR(tcn_timer, S_IRUGO, show_tcn_timer, NULL);
+
+static ssize_t show_topology_change_timer(struct class_device *d,
+ char *buf)
+{
+#if 0
+ struct datapath *dp = dp_dev_get_dp(to_net_dev(d));
+ return sprintf(buf, "%ld\n", br_timer_value(&br->topology_change_timer));
+#else
+ return sprintf(buf, "%d\n", 0);
+#endif
+}
+static DP_DEVICE_ATTR(topology_change_timer, S_IRUGO, show_topology_change_timer,
+ NULL);
+
+static ssize_t show_gc_timer(struct class_device *d,
+ char *buf)
+{
+#if 0
+ struct datapath *dp = dp_dev_get_dp(to_net_dev(d));
+ return sprintf(buf, "%ld\n", br_timer_value(&br->gc_timer));
+#else
+ return sprintf(buf, "%d\n", 0);
+#endif
+}
+static DP_DEVICE_ATTR(gc_timer, S_IRUGO, show_gc_timer, NULL);
+
+static ssize_t show_group_addr(struct class_device *d,
+ char *buf)
+{
+#if 0
+ struct datapath *dp = dp_dev_get_dp(to_net_dev(d));
+ return sprintf(buf, "%x:%x:%x:%x:%x:%x\n",
+ br->group_addr[0], br->group_addr[1],
+ br->group_addr[2], br->group_addr[3],
+ br->group_addr[4], br->group_addr[5]);
+#else
+ return sprintf(buf, "00:01:02:03:04:05\n");
+#endif
+}
+
+static ssize_t store_group_addr(struct class_device *d,
+ const char *buf, size_t len)
+{
+ struct datapath *dp = dp_dev_get_dp(to_net_dev(d));
+#if 0
+ unsigned new_addr[6];
+ int i;
+
+ if (!capable(CAP_NET_ADMIN))
+ return -EPERM;
+
+ if (sscanf(buf, "%x:%x:%x:%x:%x:%x",
+ &new_addr[0], &new_addr[1], &new_addr[2],
+ &new_addr[3], &new_addr[4], &new_addr[5]) != 6)
+ return -EINVAL;
+
+ /* Must be 01:80:c2:00:00:0X */
+ for (i = 0; i < 5; i++)
+ if (new_addr[i] != br_group_address[i])
+ return -EINVAL;
+
+ if (new_addr[5] & ~0xf)
+ return -EINVAL;
+
+ if (new_addr[5] == 1 /* 802.3x Pause address */
+ || new_addr[5] == 2 /* 802.3ad Slow protocols */
+ || new_addr[5] == 3) /* 802.1X PAE address */
+ return -EINVAL;
+
+ spin_lock_bh(&br->lock);
+ for (i = 0; i < 6; i++)
+ br->group_addr[i] = new_addr[i];
+ spin_unlock_bh(&br->lock);
+#else
+ printk("%s: xxx attempt to store_group_addr()\n", dp_name(dp));
+#endif
+ return len;
+}
+
+static DP_DEVICE_ATTR(group_addr, S_IRUGO | S_IWUSR,
+ show_group_addr, store_group_addr);
+
+static struct attribute *bridge_attrs[] = {
+ &class_device_attr_forward_delay.attr,
+ &class_device_attr_hello_time.attr,
+ &class_device_attr_max_age.attr,
+ &class_device_attr_ageing_time.attr,
+ &class_device_attr_stp_state.attr,
+ &class_device_attr_priority.attr,
+ &class_device_attr_bridge_id.attr,
+ &class_device_attr_root_id.attr,
+ &class_device_attr_root_path_cost.attr,
+ &class_device_attr_root_port.attr,
+ &class_device_attr_topology_change.attr,
+ &class_device_attr_topology_change_detected.attr,
+ &class_device_attr_hello_timer.attr,
+ &class_device_attr_tcn_timer.attr,
+ &class_device_attr_topology_change_timer.attr,
+ &class_device_attr_gc_timer.attr,
+ &class_device_attr_group_addr.attr,
+ NULL
+};
+
+static struct attribute_group bridge_group = {
+ .name = SYSFS_BRIDGE_ATTR,
+ .attrs = bridge_attrs,
+};
+
+/*
+ * Add entries in sysfs onto the existing network class device
+ * for the bridge.
+ * Adds a attribute group "bridge" containing tuning parameters.
+ * Sub directory to hold links to interfaces.
+ *
+ * Note: the ifobj exists only to be a subdirectory
+ * to hold links. The ifobj exists in the same data structure
+ * as its parent the bridge so reference counting works.
+ */
+int dp_sysfs_add_dp(struct datapath *dp)
+{
+ struct kobject *kobj = to_kobj(dp->ports[ODPP_LOCAL]->dev);
+ int err;
+
+ err = sysfs_create_group(kobj, &bridge_group);
+ if (err) {
+ pr_info("%s: can't create group %s/%s\n",
+ __func__, dp_name(dp), bridge_group.name);
+ goto out1;
+ }
+
+ /* Create /sys/class/net/<devname>/bridge directory. */
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,25)
+ kobject_set_name(&dp->ifobj, SYSFS_BRIDGE_PORT_SUBDIR); /* "bridge" */
+ dp->ifobj.ktype = NULL;
+ dp->ifobj.kset = NULL;
+ dp->ifobj.parent = kobj;
+
+ err = kobject_register(&dp->ifobj);
+ if (err) {
+ pr_info("%s: can't add kobject (directory) %s/%s\n",
+ __FUNCTION__, dp_name(dp), dp->ifobj.name);
+ goto out2;
+ }
+#else
+ br->ifobj = kobject_create_and_add(SYSFS_BRIDGE_PORT_SUBDIR, kobj);
+ if (!br->ifobj) {
+ pr_info("%s: can't add kobject (directory) %s/%s\n",
+ __func__, dp_name(dp), SYSFS_BRIDGE_PORT_SUBDIR);
+ goto out2;
+ }
+#endif
+ return 0;
+
+ out2:
+ sysfs_remove_group(kobj, &bridge_group);
+ out1:
+ return err;
+}
+
+int dp_sysfs_del_dp(struct datapath *dp)
+{
+ struct kobject *kobj = to_kobj(dp->ports[ODPP_LOCAL]->dev);
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,25)
+ kobject_unregister(&dp->ifobj);
+#else
+ kobject_put(dp->ifobj);
+#endif
+ sysfs_remove_group(kobj, &bridge_group);
+
+ return 0;
+}
+#else /* !SUPPORT_SYSFS */
+int dp_sysfs_add_dp(struct datapath *dp) { return 0; }
+int dp_sysfs_del_dp(struct datapath *dp) { return 0; }
+int dp_sysfs_add_if(struct net_bridge_port *p) { return 0; }
+int dp_sysfs_del_if(struct net_bridge_port *p)
+{
+ dev_put(p->dev);
+ kfree(p);
+ return 0;
+}
+#endif /* !SUPPORT_SYSFS */
--- /dev/null
+/*
+ * Copyright (c) 2009 Nicira Networks.
+ * Distributed under the terms of the GNU GPL version 2.
+ *
+ * Significant portions of this file may be copied from parts of the Linux
+ * kernel, by Linus Torvalds and others.
+ */
+
+/*
+ * Sysfs attributes of bridge ports for Open vSwitch
+ *
+ * This has been shamelessly copied from the kernel sources.
+ */
+
+#include <linux/capability.h>
+#include <linux/kernel.h>
+#include <linux/netdevice.h>
+#include <linux/if_bridge.h>
+#include <linux/rtnetlink.h>
+#include <linux/spinlock.h>
+#include "dp_sysfs.h"
+#include "datapath.h"
+
+#ifdef SUPPORT_SYSFS
+
+struct brport_attribute {
+ struct attribute attr;
+ ssize_t (*show)(struct net_bridge_port *, char *);
+ ssize_t (*store)(struct net_bridge_port *, unsigned long);
+};
+
+#define BRPORT_ATTR(_name,_mode,_show,_store) \
+struct brport_attribute brport_attr_##_name = { \
+ .attr = {.name = __stringify(_name), \
+ .mode = _mode, \
+ .owner = THIS_MODULE, }, \
+ .show = _show, \
+ .store = _store, \
+};
+
+static ssize_t show_path_cost(struct net_bridge_port *p, char *buf)
+{
+#if 0
+ return sprintf(buf, "%d\n", p->path_cost);
+#else
+ return sprintf(buf, "%d\n", 0);
+#endif
+}
+static ssize_t store_path_cost(struct net_bridge_port *p, unsigned long v)
+{
+#if 0
+ br_stp_set_path_cost(p, v);
+#endif
+ return 0;
+}
+static BRPORT_ATTR(path_cost, S_IRUGO | S_IWUSR,
+ show_path_cost, store_path_cost);
+
+static ssize_t show_priority(struct net_bridge_port *p, char *buf)
+{
+#if 0
+ return sprintf(buf, "%d\n", p->priority);
+#else
+ return sprintf(buf, "%d\n", 0);
+#endif
+}
+static ssize_t store_priority(struct net_bridge_port *p, unsigned long v)
+{
+#if 0
+ if (v >= (1<<(16-BR_PORT_BITS)))
+ return -ERANGE;
+ br_stp_set_port_priority(p, v);
+#endif
+ return 0;
+}
+static BRPORT_ATTR(priority, S_IRUGO | S_IWUSR,
+ show_priority, store_priority);
+
+static ssize_t show_designated_root(struct net_bridge_port *p, char *buf)
+{
+#if 0
+ return br_show_bridge_id(buf, &p->designated_root);
+#else
+ return sprintf(buf, "0000.010203040506\n");
+#endif
+}
+static BRPORT_ATTR(designated_root, S_IRUGO, show_designated_root, NULL);
+
+static ssize_t show_designated_bridge(struct net_bridge_port *p, char *buf)
+{
+#if 0
+ return br_show_bridge_id(buf, &p->designated_bridge);
+#else
+ return sprintf(buf, "0000.060504030201\n");
+#endif
+}
+static BRPORT_ATTR(designated_bridge, S_IRUGO, show_designated_bridge, NULL);
+
+static ssize_t show_designated_port(struct net_bridge_port *p, char *buf)
+{
+#if 0
+ return sprintf(buf, "%d\n", p->designated_port);
+#else
+ return sprintf(buf, "%d\n", 0);
+#endif
+}
+static BRPORT_ATTR(designated_port, S_IRUGO, show_designated_port, NULL);
+
+static ssize_t show_designated_cost(struct net_bridge_port *p, char *buf)
+{
+#if 0
+ return sprintf(buf, "%d\n", p->designated_cost);
+#else
+ return sprintf(buf, "%d\n", 0);
+#endif
+}
+static BRPORT_ATTR(designated_cost, S_IRUGO, show_designated_cost, NULL);
+
+static ssize_t show_port_id(struct net_bridge_port *p, char *buf)
+{
+#if 0
+ return sprintf(buf, "0x%x\n", p->port_id);
+#else
+ return sprintf(buf, "0x%x\n", 0);
+#endif
+}
+static BRPORT_ATTR(port_id, S_IRUGO, show_port_id, NULL);
+
+static ssize_t show_port_no(struct net_bridge_port *p, char *buf)
+{
+ return sprintf(buf, "0x%x\n", p->port_no);
+}
+
+static BRPORT_ATTR(port_no, S_IRUGO, show_port_no, NULL);
+
+static ssize_t show_change_ack(struct net_bridge_port *p, char *buf)
+{
+#if 0
+ return sprintf(buf, "%d\n", p->topology_change_ack);
+#else
+ return sprintf(buf, "%d\n", 0);
+#endif
+}
+static BRPORT_ATTR(change_ack, S_IRUGO, show_change_ack, NULL);
+
+static ssize_t show_config_pending(struct net_bridge_port *p, char *buf)
+{
+#if 0
+ return sprintf(buf, "%d\n", p->config_pending);
+#else
+ return sprintf(buf, "%d\n", 0);
+#endif
+}
+static BRPORT_ATTR(config_pending, S_IRUGO, show_config_pending, NULL);
+
+static ssize_t show_port_state(struct net_bridge_port *p, char *buf)
+{
+#if 0
+ return sprintf(buf, "%d\n", p->state);
+#else
+ return sprintf(buf, "%d\n", 0);
+#endif
+}
+static BRPORT_ATTR(state, S_IRUGO, show_port_state, NULL);
+
+static ssize_t show_message_age_timer(struct net_bridge_port *p,
+ char *buf)
+{
+#if 0
+ return sprintf(buf, "%ld\n", br_timer_value(&p->message_age_timer));
+#else
+ return sprintf(buf, "%d\n", 0);
+#endif
+}
+static BRPORT_ATTR(message_age_timer, S_IRUGO, show_message_age_timer, NULL);
+
+static ssize_t show_forward_delay_timer(struct net_bridge_port *p,
+ char *buf)
+{
+#if 0
+ return sprintf(buf, "%ld\n", br_timer_value(&p->forward_delay_timer));
+#else
+ return sprintf(buf, "%d\n", 0);
+#endif
+}
+static BRPORT_ATTR(forward_delay_timer, S_IRUGO, show_forward_delay_timer, NULL);
+
+static ssize_t show_hold_timer(struct net_bridge_port *p,
+ char *buf)
+{
+#if 0
+ return sprintf(buf, "%ld\n", br_timer_value(&p->hold_timer));
+#else
+ return sprintf(buf, "%d\n", 0);
+#endif
+}
+static BRPORT_ATTR(hold_timer, S_IRUGO, show_hold_timer, NULL);
+
+static struct brport_attribute *brport_attrs[] = {
+ &brport_attr_path_cost,
+ &brport_attr_priority,
+ &brport_attr_port_id,
+ &brport_attr_port_no,
+ &brport_attr_designated_root,
+ &brport_attr_designated_bridge,
+ &brport_attr_designated_port,
+ &brport_attr_designated_cost,
+ &brport_attr_state,
+ &brport_attr_change_ack,
+ &brport_attr_config_pending,
+ &brport_attr_message_age_timer,
+ &brport_attr_forward_delay_timer,
+ &brport_attr_hold_timer,
+ NULL
+};
+
+#define to_brport_attr(_at) container_of(_at, struct brport_attribute, attr)
+#define to_brport(obj) container_of(obj, struct net_bridge_port, kobj)
+
+static ssize_t brport_show(struct kobject * kobj,
+ struct attribute * attr, char * buf)
+{
+ struct brport_attribute * brport_attr = to_brport_attr(attr);
+ struct net_bridge_port * p = to_brport(kobj);
+
+ return brport_attr->show(p, buf);
+}
+
+static ssize_t brport_store(struct kobject * kobj,
+ struct attribute * attr,
+ const char * buf, size_t count)
+{
+ struct net_bridge_port * p = to_brport(kobj);
+#if 0
+ struct brport_attribute * brport_attr = to_brport_attr(attr);
+ char *endp;
+ unsigned long val;
+#endif
+ ssize_t ret = -EINVAL;
+
+ if (!capable(CAP_NET_ADMIN))
+ return -EPERM;
+
+#if 0
+ val = simple_strtoul(buf, &endp, 0);
+ if (endp != buf) {
+ rtnl_lock();
+ if (p->dev && p->br && brport_attr->store) {
+ spin_lock_bh(&p->br->lock);
+ ret = brport_attr->store(p, val);
+ spin_unlock_bh(&p->br->lock);
+ if (ret == 0)
+ ret = count;
+ }
+ rtnl_unlock();
+ }
+#else
+ printk("%s: xxx writing port parms not supported yet!\n",
+ dp_name(p->dp));
+#endif
+ return ret;
+}
+
+struct sysfs_ops brport_sysfs_ops = {
+ .show = brport_show,
+ .store = brport_store,
+};
+
+static void release_nbp(struct kobject *kobj)
+{
+ struct net_bridge_port *p
+ = container_of(kobj, struct net_bridge_port, kobj);
+ kfree(p);
+}
+
+struct kobj_type brport_ktype = {
+ .sysfs_ops = &brport_sysfs_ops,
+ .release = release_nbp
+};
+
+/*
+ * Add sysfs entries to ethernet device added to a bridge.
+ * Creates a brport subdirectory with bridge attributes.
+ * Puts symlink in bridge's brport subdirectory
+ */
+int dp_sysfs_add_if(struct net_bridge_port *p)
+{
+ struct datapath *dp = p->dp;
+ struct brport_attribute **a;
+ int err;
+
+ /* Create /sys/class/net/<devname>/brport directory. */
+ kobject_init(&p->kobj);
+ kobject_set_name(&p->kobj, SYSFS_BRIDGE_PORT_ATTR); /* "brport" */
+ p->kobj.ktype = &brport_ktype;
+ p->kobj.kset = NULL;
+ p->kobj.parent = &(p->dev->class_dev.kobj);
+
+ err = kobject_add(&p->kobj);
+ if (err)
+ goto err_put;
+
+ /* Create symlink from /sys/class/net/<devname>/brport/bridge to
+ * /sys/class/net/<bridgename>. */
+ err = sysfs_create_link(&p->kobj,
+ &dp->ports[ODPP_LOCAL]->dev->class_dev.kobj,
+ SYSFS_BRIDGE_PORT_LINK); /* "bridge" */
+ if (err)
+ goto err_del;
+
+ /* Populate /sys/class/net/<devname>/brport directory with files. */
+ for (a = brport_attrs; *a; ++a) {
+ err = sysfs_create_file(&p->kobj, &((*a)->attr));
+ if (err)
+ goto err_del;
+ }
+
+ /* Create symlink from /sys/class/net/<bridgename>/brif/<devname> to
+ * /sys/class/net/<devname>/brport. */
+ err = sysfs_create_link(&dp->ifobj, &p->kobj, p->dev->name);
+ if (err)
+ goto err_del;
+
+ kobject_uevent(&p->kobj, KOBJ_ADD);
+
+ return err;
+
+err_del:
+ kobject_del(&p->kobj);
+err_put:
+ kobject_put(&p->kobj);
+ return err;
+}
+
+int dp_sysfs_del_if(struct net_bridge_port *p)
+{
+ struct net_device *dev = p->dev;
+
+ kobject_uevent(&p->kobj, KOBJ_REMOVE);
+ kobject_del(&p->kobj);
+
+ dev_put(dev);
+
+ kobject_put(&p->kobj);
+
+ return 0;
+}
+#endif /* SUPPORT_SYSFS */
/Makefile.main
/actions.c
/brcompat.c
-/brc_sysfs_dp.c
-/brc_sysfs_if.c
+/dp_sysfs_dp.c
+/dp_sysfs_if.c
/datapath.c
/dp_dev.c
/dp_notify.c
projects / openvswitch / commitdiff