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-rw-r--r--drivers/net/bonding/bonding.h648
1 files changed, 0 insertions, 648 deletions
diff --git a/drivers/net/bonding/bonding.h b/drivers/net/bonding/bonding.h
deleted file mode 100644
index 10920f0686e2..000000000000
--- a/drivers/net/bonding/bonding.h
+++ /dev/null
@@ -1,648 +0,0 @@
-/*
- * Bond several ethernet interfaces into a Cisco, running 'Etherchannel'.
- *
- * Portions are (c) Copyright 1995 Simon "Guru Aleph-Null" Janes
- * NCM: Network and Communications Management, Inc.
- *
- * BUT, I'm the one who modified it for ethernet, so:
- * (c) Copyright 1999, Thomas Davis, tadavis@lbl.gov
- *
- * This software may be used and distributed according to the terms
- * of the GNU Public License, incorporated herein by reference.
- *
- */
-
-#ifndef _LINUX_BONDING_H
-#define _LINUX_BONDING_H
-
-#include <linux/timer.h>
-#include <linux/proc_fs.h>
-#include <linux/if_bonding.h>
-#include <linux/cpumask.h>
-#include <linux/in6.h>
-#include <linux/netpoll.h>
-#include <linux/inetdevice.h>
-#include <linux/etherdevice.h>
-#include <linux/reciprocal_div.h>
-#include <linux/if_link.h>
-
-#include "bond_3ad.h"
-#include "bond_alb.h"
-#include "bond_options.h"
-
-#define DRV_VERSION "3.7.1"
-#define DRV_RELDATE "April 27, 2011"
-#define DRV_NAME "bonding"
-#define DRV_DESCRIPTION "Ethernet Channel Bonding Driver"
-
-#define bond_version DRV_DESCRIPTION ": v" DRV_VERSION " (" DRV_RELDATE ")\n"
-
-#define BOND_MAX_ARP_TARGETS 16
-
-#define BOND_DEFAULT_MIIMON 100
-
-/*
- * Less bad way to call ioctl from within the kernel; this needs to be
- * done some other way to get the call out of interrupt context.
- * Needs "ioctl" variable to be supplied by calling context.
- */
-#define IOCTL(dev, arg, cmd) ({ \
- int res = 0; \
- mm_segment_t fs = get_fs(); \
- set_fs(get_ds()); \
- res = ioctl(dev, arg, cmd); \
- set_fs(fs); \
- res; })
-
-#define BOND_MODE(bond) ((bond)->params.mode)
-
-/* slave list primitives */
-#define bond_slave_list(bond) (&(bond)->dev->adj_list.lower)
-
-#define bond_has_slaves(bond) !list_empty(bond_slave_list(bond))
-
-/* IMPORTANT: bond_first/last_slave can return NULL in case of an empty list */
-#define bond_first_slave(bond) \
- (bond_has_slaves(bond) ? \
- netdev_adjacent_get_private(bond_slave_list(bond)->next) : \
- NULL)
-#define bond_last_slave(bond) \
- (bond_has_slaves(bond) ? \
- netdev_adjacent_get_private(bond_slave_list(bond)->prev) : \
- NULL)
-
-/* Caller must have rcu_read_lock */
-#define bond_first_slave_rcu(bond) \
- netdev_lower_get_first_private_rcu(bond->dev)
-
-#define bond_is_first_slave(bond, pos) (pos == bond_first_slave(bond))
-#define bond_is_last_slave(bond, pos) (pos == bond_last_slave(bond))
-
-/**
- * bond_for_each_slave - iterate over all slaves
- * @bond: the bond holding this list
- * @pos: current slave
- * @iter: list_head * iterator
- *
- * Caller must hold RTNL
- */
-#define bond_for_each_slave(bond, pos, iter) \
- netdev_for_each_lower_private((bond)->dev, pos, iter)
-
-/* Caller must have rcu_read_lock */
-#define bond_for_each_slave_rcu(bond, pos, iter) \
- netdev_for_each_lower_private_rcu((bond)->dev, pos, iter)
-
-#ifdef CONFIG_NET_POLL_CONTROLLER
-extern atomic_t netpoll_block_tx;
-
-static inline void block_netpoll_tx(void)
-{
- atomic_inc(&netpoll_block_tx);
-}
-
-static inline void unblock_netpoll_tx(void)
-{
- atomic_dec(&netpoll_block_tx);
-}
-
-static inline int is_netpoll_tx_blocked(struct net_device *dev)
-{
- if (unlikely(netpoll_tx_running(dev)))
- return atomic_read(&netpoll_block_tx);
- return 0;
-}
-#else
-#define block_netpoll_tx()
-#define unblock_netpoll_tx()
-#define is_netpoll_tx_blocked(dev) (0)
-#endif
-
-struct bond_params {
- int mode;
- int xmit_policy;
- int miimon;
- u8 num_peer_notif;
- int arp_interval;
- int arp_validate;
- int arp_all_targets;
- int use_carrier;
- int fail_over_mac;
- int updelay;
- int downdelay;
- int lacp_fast;
- unsigned int min_links;
- int ad_select;
- char primary[IFNAMSIZ];
- int primary_reselect;
- __be32 arp_targets[BOND_MAX_ARP_TARGETS];
- int tx_queues;
- int all_slaves_active;
- int resend_igmp;
- int lp_interval;
- int packets_per_slave;
- int tlb_dynamic_lb;
- struct reciprocal_value reciprocal_packets_per_slave;
-};
-
-struct bond_parm_tbl {
- char *modename;
- int mode;
-};
-
-struct slave {
- struct net_device *dev; /* first - useful for panic debug */
- struct bonding *bond; /* our master */
- int delay;
- /* all three in jiffies */
- unsigned long last_link_up;
- unsigned long last_rx;
- unsigned long target_last_arp_rx[BOND_MAX_ARP_TARGETS];
- s8 link; /* one of BOND_LINK_XXXX */
- s8 new_link;
- u8 backup:1, /* indicates backup slave. Value corresponds with
- BOND_STATE_ACTIVE and BOND_STATE_BACKUP */
- inactive:1, /* indicates inactive slave */
- should_notify:1; /* indicateds whether the state changed */
- u8 duplex;
- u32 original_mtu;
- u32 link_failure_count;
- u32 speed;
- u16 queue_id;
- u8 perm_hwaddr[ETH_ALEN];
- struct ad_slave_info *ad_info;
- struct tlb_slave_info tlb_info;
-#ifdef CONFIG_NET_POLL_CONTROLLER
- struct netpoll *np;
-#endif
- struct kobject kobj;
- struct rtnl_link_stats64 slave_stats;
-};
-
-struct bond_up_slave {
- unsigned int count;
- struct rcu_head rcu;
- struct slave *arr[0];
-};
-
-/*
- * Link pseudo-state only used internally by monitors
- */
-#define BOND_LINK_NOCHANGE -1
-
-/*
- * Here are the locking policies for the two bonding locks:
- * Get rcu_read_lock when reading or RTNL when writing slave list.
- */
-struct bonding {
- struct net_device *dev; /* first - useful for panic debug */
- struct slave __rcu *curr_active_slave;
- struct slave __rcu *current_arp_slave;
- struct slave __rcu *primary_slave;
- struct bond_up_slave __rcu *slave_arr; /* Array of usable slaves */
- bool force_primary;
- s32 slave_cnt; /* never change this value outside the attach/detach wrappers */
- int (*recv_probe)(const struct sk_buff *, struct bonding *,
- struct slave *);
- /* mode_lock is used for mode-specific locking needs, currently used by:
- * 3ad mode (4) - protect against running bond_3ad_unbind_slave() and
- * bond_3ad_state_machine_handler() concurrently and also
- * the access to the state machine shared variables.
- * TLB mode (5) - to sync the use and modifications of its hash table
- * ALB mode (6) - to sync the use and modifications of its hash table
- */
- spinlock_t mode_lock;
- u8 send_peer_notif;
- u8 igmp_retrans;
-#ifdef CONFIG_PROC_FS
- struct proc_dir_entry *proc_entry;
- char proc_file_name[IFNAMSIZ];
-#endif /* CONFIG_PROC_FS */
- struct list_head bond_list;
- u32 rr_tx_counter;
- struct ad_bond_info ad_info;
- struct alb_bond_info alb_info;
- struct bond_params params;
- struct workqueue_struct *wq;
- struct delayed_work mii_work;
- struct delayed_work arp_work;
- struct delayed_work alb_work;
- struct delayed_work ad_work;
- struct delayed_work mcast_work;
- struct delayed_work slave_arr_work;
-#ifdef CONFIG_DEBUG_FS
- /* debugging support via debugfs */
- struct dentry *debug_dir;
-#endif /* CONFIG_DEBUG_FS */
- struct rtnl_link_stats64 bond_stats;
-};
-
-#define bond_slave_get_rcu(dev) \
- ((struct slave *) rcu_dereference(dev->rx_handler_data))
-
-#define bond_slave_get_rtnl(dev) \
- ((struct slave *) rtnl_dereference(dev->rx_handler_data))
-
-struct bond_vlan_tag {
- __be16 vlan_proto;
- unsigned short vlan_id;
-};
-
-/**
- * Returns NULL if the net_device does not belong to any of the bond's slaves
- *
- * Caller must hold bond lock for read
- */
-static inline struct slave *bond_get_slave_by_dev(struct bonding *bond,
- struct net_device *slave_dev)
-{
- return netdev_lower_dev_get_private(bond->dev, slave_dev);
-}
-
-static inline struct bonding *bond_get_bond_by_slave(struct slave *slave)
-{
- return slave->bond;
-}
-
-static inline bool bond_should_override_tx_queue(struct bonding *bond)
-{
- return BOND_MODE(bond) == BOND_MODE_ACTIVEBACKUP ||
- BOND_MODE(bond) == BOND_MODE_ROUNDROBIN;
-}
-
-static inline bool bond_is_lb(const struct bonding *bond)
-{
- return BOND_MODE(bond) == BOND_MODE_TLB ||
- BOND_MODE(bond) == BOND_MODE_ALB;
-}
-
-static inline bool bond_is_nondyn_tlb(const struct bonding *bond)
-{
- return (BOND_MODE(bond) == BOND_MODE_TLB) &&
- (bond->params.tlb_dynamic_lb == 0);
-}
-
-static inline bool bond_mode_uses_xmit_hash(const struct bonding *bond)
-{
- return (BOND_MODE(bond) == BOND_MODE_8023AD ||
- BOND_MODE(bond) == BOND_MODE_XOR ||
- bond_is_nondyn_tlb(bond));
-}
-
-static inline bool bond_mode_uses_arp(int mode)
-{
- return mode != BOND_MODE_8023AD && mode != BOND_MODE_TLB &&
- mode != BOND_MODE_ALB;
-}
-
-static inline bool bond_mode_uses_primary(int mode)
-{
- return mode == BOND_MODE_ACTIVEBACKUP || mode == BOND_MODE_TLB ||
- mode == BOND_MODE_ALB;
-}
-
-static inline bool bond_uses_primary(struct bonding *bond)
-{
- return bond_mode_uses_primary(BOND_MODE(bond));
-}
-
-static inline bool bond_slave_is_up(struct slave *slave)
-{
- return netif_running(slave->dev) && netif_carrier_ok(slave->dev);
-}
-
-static inline void bond_set_active_slave(struct slave *slave)
-{
- if (slave->backup) {
- slave->backup = 0;
- rtmsg_ifinfo(RTM_NEWLINK, slave->dev, 0, GFP_ATOMIC);
- }
-}
-
-static inline void bond_set_backup_slave(struct slave *slave)
-{
- if (!slave->backup) {
- slave->backup = 1;
- rtmsg_ifinfo(RTM_NEWLINK, slave->dev, 0, GFP_ATOMIC);
- }
-}
-
-static inline void bond_set_slave_state(struct slave *slave,
- int slave_state, bool notify)
-{
- if (slave->backup == slave_state)
- return;
-
- slave->backup = slave_state;
- if (notify) {
- rtmsg_ifinfo(RTM_NEWLINK, slave->dev, 0, GFP_ATOMIC);
- slave->should_notify = 0;
- } else {
- if (slave->should_notify)
- slave->should_notify = 0;
- else
- slave->should_notify = 1;
- }
-}
-
-static inline void bond_slave_state_change(struct bonding *bond)
-{
- struct list_head *iter;
- struct slave *tmp;
-
- bond_for_each_slave(bond, tmp, iter) {
- if (tmp->link == BOND_LINK_UP)
- bond_set_active_slave(tmp);
- else if (tmp->link == BOND_LINK_DOWN)
- bond_set_backup_slave(tmp);
- }
-}
-
-static inline void bond_slave_state_notify(struct bonding *bond)
-{
- struct list_head *iter;
- struct slave *tmp;
-
- bond_for_each_slave(bond, tmp, iter) {
- if (tmp->should_notify) {
- rtmsg_ifinfo(RTM_NEWLINK, tmp->dev, 0, GFP_ATOMIC);
- tmp->should_notify = 0;
- }
- }
-}
-
-static inline int bond_slave_state(struct slave *slave)
-{
- return slave->backup;
-}
-
-static inline bool bond_is_active_slave(struct slave *slave)
-{
- return !bond_slave_state(slave);
-}
-
-static inline bool bond_slave_can_tx(struct slave *slave)
-{
- return bond_slave_is_up(slave) && slave->link == BOND_LINK_UP &&
- bond_is_active_slave(slave);
-}
-
-#define BOND_PRI_RESELECT_ALWAYS 0
-#define BOND_PRI_RESELECT_BETTER 1
-#define BOND_PRI_RESELECT_FAILURE 2
-
-#define BOND_FOM_NONE 0
-#define BOND_FOM_ACTIVE 1
-#define BOND_FOM_FOLLOW 2
-
-#define BOND_ARP_TARGETS_ANY 0
-#define BOND_ARP_TARGETS_ALL 1
-
-#define BOND_ARP_VALIDATE_NONE 0
-#define BOND_ARP_VALIDATE_ACTIVE (1 << BOND_STATE_ACTIVE)
-#define BOND_ARP_VALIDATE_BACKUP (1 << BOND_STATE_BACKUP)
-#define BOND_ARP_VALIDATE_ALL (BOND_ARP_VALIDATE_ACTIVE | \
- BOND_ARP_VALIDATE_BACKUP)
-#define BOND_ARP_FILTER (BOND_ARP_VALIDATE_ALL + 1)
-#define BOND_ARP_FILTER_ACTIVE (BOND_ARP_VALIDATE_ACTIVE | \
- BOND_ARP_FILTER)
-#define BOND_ARP_FILTER_BACKUP (BOND_ARP_VALIDATE_BACKUP | \
- BOND_ARP_FILTER)
-
-#define BOND_SLAVE_NOTIFY_NOW true
-#define BOND_SLAVE_NOTIFY_LATER false
-
-static inline int slave_do_arp_validate(struct bonding *bond,
- struct slave *slave)
-{
- return bond->params.arp_validate & (1 << bond_slave_state(slave));
-}
-
-static inline int slave_do_arp_validate_only(struct bonding *bond)
-{
- return bond->params.arp_validate & BOND_ARP_FILTER;
-}
-
-static inline int bond_is_ip_target_ok(__be32 addr)
-{
- return !ipv4_is_lbcast(addr) && !ipv4_is_zeronet(addr);
-}
-
-/* Get the oldest arp which we've received on this slave for bond's
- * arp_targets.
- */
-static inline unsigned long slave_oldest_target_arp_rx(struct bonding *bond,
- struct slave *slave)
-{
- int i = 1;
- unsigned long ret = slave->target_last_arp_rx[0];
-
- for (; (i < BOND_MAX_ARP_TARGETS) && bond->params.arp_targets[i]; i++)
- if (time_before(slave->target_last_arp_rx[i], ret))
- ret = slave->target_last_arp_rx[i];
-
- return ret;
-}
-
-static inline unsigned long slave_last_rx(struct bonding *bond,
- struct slave *slave)
-{
- if (bond->params.arp_all_targets == BOND_ARP_TARGETS_ALL)
- return slave_oldest_target_arp_rx(bond, slave);
-
- return slave->last_rx;
-}
-
-#ifdef CONFIG_NET_POLL_CONTROLLER
-static inline void bond_netpoll_send_skb(const struct slave *slave,
- struct sk_buff *skb)
-{
- struct netpoll *np = slave->np;
-
- if (np)
- netpoll_send_skb(np, skb);
-}
-#else
-static inline void bond_netpoll_send_skb(const struct slave *slave,
- struct sk_buff *skb)
-{
-}
-#endif
-
-static inline void bond_set_slave_inactive_flags(struct slave *slave,
- bool notify)
-{
- if (!bond_is_lb(slave->bond))
- bond_set_slave_state(slave, BOND_STATE_BACKUP, notify);
- if (!slave->bond->params.all_slaves_active)
- slave->inactive = 1;
-}
-
-static inline void bond_set_slave_active_flags(struct slave *slave,
- bool notify)
-{
- bond_set_slave_state(slave, BOND_STATE_ACTIVE, notify);
- slave->inactive = 0;
-}
-
-static inline bool bond_is_slave_inactive(struct slave *slave)
-{
- return slave->inactive;
-}
-
-static inline __be32 bond_confirm_addr(struct net_device *dev, __be32 dst, __be32 local)
-{
- struct in_device *in_dev;
- __be32 addr = 0;
-
- rcu_read_lock();
- in_dev = __in_dev_get_rcu(dev);
-
- if (in_dev)
- addr = inet_confirm_addr(dev_net(dev), in_dev, dst, local,
- RT_SCOPE_HOST);
- rcu_read_unlock();
- return addr;
-}
-
-struct bond_net {
- struct net *net; /* Associated network namespace */
- struct list_head dev_list;
-#ifdef CONFIG_PROC_FS
- struct proc_dir_entry *proc_dir;
-#endif
- struct class_attribute class_attr_bonding_masters;
-};
-
-int bond_arp_rcv(const struct sk_buff *skb, struct bonding *bond, struct slave *slave);
-void bond_dev_queue_xmit(struct bonding *bond, struct sk_buff *skb, struct net_device *slave_dev);
-int bond_create(struct net *net, const char *name);
-int bond_create_sysfs(struct bond_net *net);
-void bond_destroy_sysfs(struct bond_net *net);
-void bond_prepare_sysfs_group(struct bonding *bond);
-int bond_sysfs_slave_add(struct slave *slave);
-void bond_sysfs_slave_del(struct slave *slave);
-int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev);
-int bond_release(struct net_device *bond_dev, struct net_device *slave_dev);
-u32 bond_xmit_hash(struct bonding *bond, struct sk_buff *skb);
-void bond_select_active_slave(struct bonding *bond);
-void bond_change_active_slave(struct bonding *bond, struct slave *new_active);
-void bond_create_debugfs(void);
-void bond_destroy_debugfs(void);
-void bond_debug_register(struct bonding *bond);
-void bond_debug_unregister(struct bonding *bond);
-void bond_debug_reregister(struct bonding *bond);
-const char *bond_mode_name(int mode);
-void bond_setup(struct net_device *bond_dev);
-unsigned int bond_get_num_tx_queues(void);
-int bond_netlink_init(void);
-void bond_netlink_fini(void);
-struct net_device *bond_option_active_slave_get_rcu(struct bonding *bond);
-const char *bond_slave_link_status(s8 link);
-struct bond_vlan_tag *bond_verify_device_path(struct net_device *start_dev,
- struct net_device *end_dev,
- int level);
-int bond_update_slave_arr(struct bonding *bond, struct slave *skipslave);
-void bond_slave_arr_work_rearm(struct bonding *bond, unsigned long delay);
-
-#ifdef CONFIG_PROC_FS
-void bond_create_proc_entry(struct bonding *bond);
-void bond_remove_proc_entry(struct bonding *bond);
-void bond_create_proc_dir(struct bond_net *bn);
-void bond_destroy_proc_dir(struct bond_net *bn);
-#else
-static inline void bond_create_proc_entry(struct bonding *bond)
-{
-}
-
-static inline void bond_remove_proc_entry(struct bonding *bond)
-{
-}
-
-static inline void bond_create_proc_dir(struct bond_net *bn)
-{
-}
-
-static inline void bond_destroy_proc_dir(struct bond_net *bn)
-{
-}
-#endif
-
-static inline struct slave *bond_slave_has_mac(struct bonding *bond,
- const u8 *mac)
-{
- struct list_head *iter;
- struct slave *tmp;
-
- bond_for_each_slave(bond, tmp, iter)
- if (ether_addr_equal_64bits(mac, tmp->dev->dev_addr))
- return tmp;
-
- return NULL;
-}
-
-/* Caller must hold rcu_read_lock() for read */
-static inline struct slave *bond_slave_has_mac_rcu(struct bonding *bond,
- const u8 *mac)
-{
- struct list_head *iter;
- struct slave *tmp;
-
- bond_for_each_slave_rcu(bond, tmp, iter)
- if (ether_addr_equal_64bits(mac, tmp->dev->dev_addr))
- return tmp;
-
- return NULL;
-}
-
-/* Caller must hold rcu_read_lock() for read */
-static inline bool bond_slave_has_mac_rx(struct bonding *bond, const u8 *mac)
-{
- struct list_head *iter;
- struct slave *tmp;
- struct netdev_hw_addr *ha;
-
- bond_for_each_slave_rcu(bond, tmp, iter)
- if (ether_addr_equal_64bits(mac, tmp->dev->dev_addr))
- return true;
-
- if (netdev_uc_empty(bond->dev))
- return false;
-
- netdev_for_each_uc_addr(ha, bond->dev)
- if (ether_addr_equal_64bits(mac, ha->addr))
- return true;
-
- return false;
-}
-
-/* Check if the ip is present in arp ip list, or first free slot if ip == 0
- * Returns -1 if not found, index if found
- */
-static inline int bond_get_targets_ip(__be32 *targets, __be32 ip)
-{
- int i;
-
- for (i = 0; i < BOND_MAX_ARP_TARGETS; i++)
- if (targets[i] == ip)
- return i;
- else if (targets[i] == 0)
- break;
-
- return -1;
-}
-
-/* exported from bond_main.c */
-extern int bond_net_id;
-extern const struct bond_parm_tbl bond_lacp_tbl[];
-extern const struct bond_parm_tbl xmit_hashtype_tbl[];
-extern const struct bond_parm_tbl arp_validate_tbl[];
-extern const struct bond_parm_tbl arp_all_targets_tbl[];
-extern const struct bond_parm_tbl fail_over_mac_tbl[];
-extern const struct bond_parm_tbl pri_reselect_tbl[];
-extern struct bond_parm_tbl ad_select_tbl[];
-
-/* exported from bond_netlink.c */
-extern struct rtnl_link_ops bond_link_ops;
-
-#endif /* _LINUX_BONDING_H */
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