Release 4.12 include/net/bonding.h

Directory: include/net
/*
 * 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 _NET_BONDING_H

#define _NET_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 <net/bond_3ad.h>
#include <net/bond_alb.h>
#include <net/bond_options.h>


#define BOND_MAX_ARP_TARGETS	16


#define BOND_DEFAULT_MIIMON	100

#ifndef __long_aligned

#define __long_aligned __attribute__((aligned((sizeof(long)))))
#endif


#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);
}

Contributors
Person Tokens Prop Commits CommitProp
Neil Horman 15 100.00% 2 100.00%
Total 15 100.00% 2 100.00%



static inline void unblock_netpoll_tx(void)
{
	atomic_dec(&netpoll_block_tx);
}

Contributors
Person Tokens Prop Commits CommitProp
Neil Horman 15 100.00% 2 100.00%
Total 15 100.00% 2 100.00%



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;
}
Contributors
Person Tokens Prop Commits CommitProp
Neil Horman 29 90.62% 2 66.67%
Américo Wang 3 9.38% 1 33.33%
Total 32 100.00% 3 100.00%

#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;
	
u16 ad_actor_sys_prio;
	
u16 ad_user_port_key;

	/* 2 bytes of padding : see ether_addr_equal_64bits() */
	
u8 ad_actor_system[ETH_ALEN + 2];
};


struct bond_parm_tbl {
	
char *modename;
	
int mode;
};


struct netdev_notify_work {
	
struct delayed_work	work;
	
struct net_device	*dev;
	
struct netdev_bonding_info bonding_info;
};


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     link_new_state;	/* 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, /* indicates whether the state changed */
	       
should_notify_link:1; /* indicates whether the link changed */
	
u8     duplex;
	
u32    original_mtu;
	
u32    link_failure_count;
	
u32    speed;
	
u16    queue_id;
	
u8     perm_hwaddr[MAX_ADDR_LEN];
	
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;
	
spinlock_t stats_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))

void bond_queue_slave_event(struct slave *slave);
void bond_lower_state_changed(struct slave *slave);


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);
}

Contributors
Person Tokens Prop Commits CommitProp
Jeff Garzik 23 79.31% 1 33.33%
Veaceslav Falico 5 17.24% 1 33.33%
Adrian Bunk 1 3.45% 1 33.33%
Total 29 100.00% 3 100.00%



static inline struct bonding *bond_get_bond_by_slave(struct slave *slave)
{
	return slave->bond;
}

Contributors
Person Tokens Prop Commits CommitProp
Jeff Garzik 17 89.47% 1 33.33%
Adrian Bunk 1 5.26% 1 33.33%
Jiri Pirko 1 5.26% 1 33.33%
Total 19 100.00% 3 100.00%



static inline bool bond_should_override_tx_queue(struct bonding *bond)
{
	return BOND_MODE(bond) == BOND_MODE_ACTIVEBACKUP ||
	       BOND_MODE(bond) == BOND_MODE_ROUNDROBIN;
}

Contributors
Person Tokens Prop Commits CommitProp
Veaceslav Falico 27 100.00% 2 100.00%
Total 27 100.00% 2 100.00%



static inline bool bond_is_lb(const struct bonding *bond)
{
	return BOND_MODE(bond) == BOND_MODE_TLB ||
	       BOND_MODE(bond) == BOND_MODE_ALB;
}

Contributors
Person Tokens Prop Commits CommitProp
Holger Eitzenberger 16 57.14% 1 33.33%
Veaceslav Falico 12 42.86% 2 66.67%
Total 28 100.00% 3 100.00%



static inline bool bond_is_nondyn_tlb(const struct bonding *bond)
{
	return (BOND_MODE(bond) == BOND_MODE_TLB)  &&
	       (bond->params.tlb_dynamic_lb == 0);
}

Contributors
Person Tokens Prop Commits CommitProp
Mahesh Bandewar 33 100.00% 1 100.00%
Total 33 100.00% 1 100.00%



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));
}

Contributors
Person Tokens Prop Commits CommitProp
Mahesh Bandewar 35 100.00% 1 100.00%
Total 35 100.00% 1 100.00%



static inline bool bond_mode_uses_arp(int mode)
{
	return mode != BOND_MODE_8023AD && mode != BOND_MODE_TLB &&
	       mode != BOND_MODE_ALB;
}

Contributors
Person Tokens Prop Commits CommitProp
Veaceslav Falico 23 100.00% 1 100.00%
Total 23 100.00% 1 100.00%



static inline bool bond_mode_uses_primary(int mode)
{
	return mode == BOND_MODE_ACTIVEBACKUP || mode == BOND_MODE_TLB ||
	       mode == BOND_MODE_ALB;
}

Contributors
Person Tokens Prop Commits CommitProp
Veaceslav Falico 23 100.00% 1 100.00%
Total 23 100.00% 1 100.00%



static inline bool bond_uses_primary(struct bonding *bond)
{
	return bond_mode_uses_primary(BOND_MODE(bond));
}

Contributors
Person Tokens Prop Commits CommitProp
Veaceslav Falico 21 100.00% 2 100.00%
Total 21 100.00% 2 100.00%



static inline struct net_device *bond_option_active_slave_get_rcu(struct bonding *bond)
{
	struct slave *slave = rcu_dereference(bond->curr_active_slave);

	return bond_uses_primary(bond) && slave ? slave->dev : NULL;
}

Contributors
Person Tokens Prop Commits CommitProp
Matan Barak 40 100.00% 1 100.00%
Total 40 100.00% 1 100.00%



static inline bool bond_slave_is_up(struct slave *slave)
{
	return netif_running(slave->dev) && netif_carrier_ok(slave->dev);
}

Contributors
Person Tokens Prop Commits CommitProp
Veaceslav Falico 27 100.00% 1 100.00%
Total 27 100.00% 1 100.00%



static inline void bond_set_active_slave(struct slave *slave)
{
	if (slave->backup) {
		slave->backup = 0;
		bond_queue_slave_event(slave);
		bond_lower_state_changed(slave);
		rtmsg_ifinfo(RTM_NEWLINK, slave->dev, 0, GFP_ATOMIC);
	}
}

Contributors
Person Tokens Prop Commits CommitProp
Jiri Pirko 23 46.94% 2 40.00%
sfeldma@cumulusnetworks.com 20 40.82% 1 20.00%
Moni Shoua 5 10.20% 1 20.00%
Veaceslav Falico 1 2.04% 1 20.00%
Total 49 100.00% 5 100.00%



static inline void bond_set_backup_slave(struct slave *slave)
{
	if (!slave->backup) {
		slave->backup = 1;
		bond_queue_slave_event(slave);
		bond_lower_state_changed(slave);
		rtmsg_ifinfo(RTM_NEWLINK, slave->dev, 0, GFP_ATOMIC);
	}
}

Contributors
Person Tokens Prop Commits CommitProp
Jiri Pirko 23 46.00% 2 40.00%
sfeldma@cumulusnetworks.com 21 42.00% 1 20.00%
Moni Shoua 5 10.00% 1 20.00%
Veaceslav Falico 1 2.00% 1 20.00%
Total 50 100.00% 5 100.00%



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) {
		bond_lower_state_changed(slave);
		rtmsg_ifinfo(RTM_NEWLINK, slave->dev, 0, GFP_ATOMIC);
		bond_queue_slave_event(slave);
		slave->should_notify = 0;
	} else {
		if (slave->should_notify)
			slave->should_notify = 0;
		else
			slave->should_notify = 1;
	}
}

Contributors
Person Tokens Prop Commits CommitProp
Ding Tianhong 79 87.78% 1 25.00%
Jiri Pirko 5 5.56% 1 25.00%
Moni Shoua 5 5.56% 1 25.00%
Veaceslav Falico 1 1.11% 1 25.00%
Total 90 100.00% 4 100.00%



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);
	}
}

Contributors
Person Tokens Prop Commits CommitProp
Ding Tianhong 59 100.00% 1 100.00%
Total 59 100.00% 1 100.00%



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) {
			bond_lower_state_changed(tmp);
			rtmsg_ifinfo(RTM_NEWLINK, tmp->dev, 0, GFP_ATOMIC);
			tmp->should_notify = 0;
		}
	}
}

Contributors
Person Tokens Prop Commits CommitProp
Ding Tianhong 58 90.62% 1 33.33%
Jiri Pirko 5 7.81% 1 33.33%
Veaceslav Falico 1 1.56% 1 33.33%
Total 64 100.00% 3 100.00%



static inline int bond_slave_state(struct slave *slave)
{
	return slave->backup;
}

Contributors
Person Tokens Prop Commits CommitProp
Jiri Pirko 17 100.00% 1 100.00%
Total 17 100.00% 1 100.00%



static inline bool bond_is_active_slave(struct slave *slave)
{
	return !bond_slave_state(slave);
}

Contributors
Person Tokens Prop Commits CommitProp
Jiri Pirko 19 100.00% 1 100.00%
Total 19 100.00% 1 100.00%



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);
}

Contributors
Person Tokens Prop Commits CommitProp
Veaceslav Falico 29 100.00% 1 100.00%
Total 29 100.00% 1 100.00%



static inline void bond_hw_addr_copy(u8 *dst, const u8 *src, unsigned int len)
{
	if (len == ETH_ALEN) {
		ether_addr_copy(dst, src);
		return;
	}

	memcpy(dst, src, len);
}

Contributors
Person Tokens Prop Commits CommitProp
Jarod Wilson 45 100.00% 1 100.00%
Total 45 100.00% 1 100.00%


#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));
}

Contributors
Person Tokens Prop Commits CommitProp
Jay Vosburgh 29 87.88% 1 33.33%
Jiri Pirko 3 9.09% 1 33.33%
Adrian Bunk 1 3.03% 1 33.33%
Total 33 100.00% 3 100.00%



static inline int slave_do_arp_validate_only(struct bonding *bond)
{
	return bond->params.arp_validate & BOND_ARP_FILTER;
}

Contributors
Person Tokens Prop Commits CommitProp
Veaceslav Falico 21 100.00% 1 100.00%
Total 21 100.00% 1 100.00%



static inline int bond_is_ip_target_ok(__be32 addr)
{
	return !ipv4_is_lbcast(addr) && !ipv4_is_zeronet(addr);
}

Contributors
Person Tokens Prop Commits CommitProp
Veaceslav Falico 23 100.00% 1 100.00%
Total 23 100.00% 1 100.00%

/* 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;
}

Contributors
Person Tokens Prop Commits CommitProp
Veaceslav Falico 81 100.00% 1 100.00%
Total 81 100.00% 1 100.00%



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;
}

Contributors
Person Tokens Prop Commits CommitProp
Jay Vosburgh 20 48.78% 1 20.00%
Veaceslav Falico 18 43.90% 2 40.00%
Andy Gospodarek 2 4.88% 1 20.00%
Adrian Bunk 1 2.44% 1 20.00%
Total 41 100.00% 5 100.00%

#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);
}
Contributors
Person Tokens Prop Commits CommitProp
Américo Wang 38 100.00% 1 100.00%
Total 38 100.00% 1 100.00%

#else


static inline void bond_netpoll_send_skb(const struct slave *slave,
					 struct sk_buff *skb)
{
}
Contributors
Person Tokens Prop Commits CommitProp
Américo Wang 17 100.00% 1 100.00%
Total 17 100.00% 1 100.00%

#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;
}

Contributors
Person Tokens Prop Commits CommitProp
Shmulik Hen 16 31.37% 2 20.00%
Jiri Pirko 13 25.49% 4 40.00%
Andy Gospodarek 9 17.65% 1 10.00%
Ding Tianhong 8 15.69% 1 10.00%
Jay Vosburgh 4 7.84% 1 10.00%
Adrian Bunk 1 1.96% 1 10.00%
Total 51 100.00% 10 100.00%



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;
}

Contributors
Person Tokens Prop Commits CommitProp
Shmulik Hen 16 53.33% 2 33.33%
Ding Tianhong 8 26.67% 1 16.67%
Jiri Pirko 5 16.67% 2 33.33%
Adrian Bunk 1 3.33% 1 16.67%
Total 30 100.00% 6 100.00%



static inline bool bond_is_slave_inactive(struct slave *slave)
{
	return slave->inactive;
}

Contributors
Person Tokens Prop Commits CommitProp
Jiri Pirko 17 100.00% 1 100.00%
Total 17 100.00% 1 100.00%



static inline void bond_propose_link_state(struct slave *slave, int state)
{
	slave->link_new_state = state;
}

Contributors
Person Tokens Prop Commits CommitProp
Moni Shoua 11 52.38% 1 50.00%
Mahesh Bandewar 10 47.62% 1 50.00%
Total 21 100.00% 2 100.00%



static inline void bond_commit_link_state(struct slave *slave, bool notify)
{
	if (slave->link == slave->link_new_state)
		return;

	slave->link = slave->link_new_state;
	if (notify) {
		bond_queue_slave_event(slave);
		bond_lower_state_changed(slave);
		slave->should_notify_link = 0;
	} else {
		if (slave->should_notify_link)
			slave->should_notify_link = 0;
		else
			slave->should_notify_link = 1;
	}
}

Contributors
Person Tokens Prop Commits CommitProp
Jiri Pirko 51 65.38% 2 40.00%
Mahesh Bandewar 15 19.23% 1 20.00%
Moni Shoua 12 15.38% 2 40.00%
Total 78 100.00% 5 100.00%



static inline void bond_set_slave_link_state(struct slave *slave, int state,
					     bool notify)
{
	bond_propose_link_state(slave, state);
	bond_commit_link_state(slave, notify);
}

Contributors
Person Tokens Prop Commits CommitProp
Mahesh Bandewar 32 100.00% 1 100.00%
Total 32 100.00% 1 100.00%



static inline void bond_slave_link_notify(struct bonding *bond)
{
	struct list_head *iter;
	struct slave *tmp;

	bond_for_each_slave(bond, tmp, iter) {
		if (tmp->should_notify_link) {
			bond_queue_slave_event(tmp);
			bond_lower_state_changed(tmp);
			tmp->should_notify_link = 0;
		}
	}
}

Contributors
Person Tokens Prop Commits CommitProp
Jiri Pirko 55 98.21% 2 66.67%
Moni Shoua 1 1.79% 1 33.33%
Total 56 100.00% 3 100.00%



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;
}

Contributors
Person Tokens Prop Commits CommitProp
Andy Gospodarek 61 92.42% 1 50.00%
Nicolas Dichtel 5 7.58% 1 50.00%
Total 66 100.00% 2 100.00%


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);
int bond_set_carrier(struct bonding *bond);
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);
void bond_work_init_all(struct bonding *bond);

#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)
{
}

Contributors
Person Tokens Prop Commits CommitProp
Américo Wang 11 100.00% 1 100.00%
Total 11 100.00% 1 100.00%



static inline void bond_remove_proc_entry(struct bonding *bond)
{
}

Contributors
Person Tokens Prop Commits CommitProp
Américo Wang 11 100.00% 1 100.00%
Total 11 100.00% 1 100.00%



static inline void bond_create_proc_dir(struct bond_net *bn)
{
}

Contributors
Person Tokens Prop Commits CommitProp
Américo Wang 11 100.00% 1 100.00%
Total 11 100.00% 1 100.00%



static inline void bond_destroy_proc_dir(struct bond_net *bn)
{
}
Contributors
Person Tokens Prop Commits CommitProp
Américo Wang 11 100.00% 1 100.00%
Total 11 100.00% 1 100.00%

#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;
}

Contributors
Person Tokens Prop Commits CommitProp
Zheng Li 49 87.50% 1 50.00%
Veaceslav Falico 7 12.50% 1 50.00%
Total 56 100.00% 2 100.00%

/* 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;
}

Contributors
Person Tokens Prop Commits CommitProp
Ding Tianhong 56 100.00% 1 100.00%
Total 56 100.00% 1 100.00%

/* 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;
}

Contributors
Person Tokens Prop Commits CommitProp
Vlad Yasevich 91 100.00% 1 100.00%
Total 91 100.00% 1 100.00%

/* 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;
}

Contributors
Person Tokens Prop Commits CommitProp
Veaceslav Falico 57 100.00% 1 100.00%
Total 57 100.00% 1 100.00%

/* exported from bond_main.c */
extern unsigned 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;



static inline void bond_tx_drop(struct net_device *dev, struct sk_buff *skb)
{
	atomic_long_inc(&dev->tx_dropped);
	dev_kfree_skb_any(skb);
}

Contributors
Person Tokens Prop Commits CommitProp
Eric Dumazet 30 100.00% 1 100.00%
Total 30 100.00% 1 100.00%

#endif /* _NET_BONDING_H */
Overall Contributors
Person Tokens Prop Commits CommitProp
Veaceslav Falico 456 15.60% 19 13.38%
Jiri Pirko 372 12.73% 12 8.45%
Ding Tianhong 337 11.53% 10 7.04%
Mahesh Bandewar 213 7.29% 10 7.04%
Américo Wang 165 5.64% 3 2.11%
Jay Vosburgh 127 4.34% 10 7.04%
Jeff Garzik 114 3.90% 2 1.41%
Vlad Yasevich 106 3.63% 1 0.70%
Andy Gospodarek 99 3.39% 5 3.52%
Mitch A Williams 98 3.35% 5 3.52%
Shmulik Hen 91 3.11% 5 3.52%
Neil Horman 91 3.11% 3 2.11%
Nikolay Aleksandrov 77 2.63% 12 8.45%
sfeldma@cumulusnetworks.com 72 2.46% 2 1.41%
Moni Shoua 70 2.39% 5 3.52%
Zheng Li 52 1.78% 1 0.70%
Amir Noam 50 1.71% 2 1.41%
Taku Izumi 49 1.68% 1 0.70%
Eric Dumazet 48 1.64% 6 4.23%
Jarod Wilson 46 1.57% 1 0.70%
Matan Barak 40 1.37% 1 0.70%
Ben Dooks 27 0.92% 1 0.70%
Holger Eitzenberger 20 0.68% 2 1.41%
David Decotigny 18 0.62% 2 1.41%
Eric W. Biedermann 17 0.58% 3 2.11%
Flavio Leitner 9 0.31% 2 1.41%
Jonathan Toppins 9 0.31% 1 0.70%
Stephen Hemminger 7 0.24% 3 2.11%
David S. Miller 7 0.24% 2 1.41%
Hannes Frederic Sowa 7 0.24% 1 0.70%
Ben Hutchings 6 0.21% 1 0.70%
Adrian Bunk 6 0.21% 2 1.41%
Hannes Eder 6 0.21% 1 0.70%
Nicolas Dichtel 5 0.17% 1 0.70%
Brian Haley 3 0.10% 1 0.70%
Alexey Dobriyan 1 0.03% 1 0.70%
Al Viro 1 0.03% 1 0.70%
Masanari Iida 1 0.03% 1 0.70%
Total 2923 100.00% 142 100.00%
Directory: include/net

Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
Created with cregit.
Person	Tokens	Prop	Commits	CommitProp
Neil Horman	15	100.00%	2	100.00%
Total	15	100.00%	2	100.00%
cregit-Linux how code gets into the kernel

Release 4.12 include/net/bonding.h

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Overall Contributors
