[mirror_ubuntu-bionic-kernel.git] / include / net / bond_3ad.h

/*
 * Copyright(c) 1999 - 2004 Intel Corporation. All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation; either version 2 of the License, or (at your option)
 * any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program; if not, write to the Free Software Foundation, Inc., 59
 * Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 * The full GNU General Public License is included in this distribution in the
 * file called LICENSE.
 *
 */

#ifndef _NET_BOND_3AD_H
#define _NET_BOND_3AD_H

#include <asm/byteorder.h>
#include <linux/skbuff.h>
#include <linux/netdevice.h>
#include <linux/if_ether.h>

/* General definitions */
#define PKT_TYPE_LACPDU         cpu_to_be16(ETH_P_SLOW)
#define AD_TIMER_INTERVAL       100 /*msec*/

#define MULTICAST_LACPDU_ADDR    {0x01, 0x80, 0xC2, 0x00, 0x00, 0x02}

#define AD_LACP_SLOW 0
#define AD_LACP_FAST 1

typedef struct mac_addr {
	u8 mac_addr_value[ETH_ALEN];
} __packed mac_addr_t;

enum {
	BOND_AD_STABLE = 0,
	BOND_AD_BANDWIDTH = 1,
	BOND_AD_COUNT = 2,
};

/* rx machine states(43.4.11 in the 802.3ad standard) */
typedef enum {
	AD_RX_DUMMY,
	AD_RX_INITIALIZE,	/* rx Machine */
	AD_RX_PORT_DISABLED,	/* rx Machine */
	AD_RX_LACP_DISABLED,	/* rx Machine */
	AD_RX_EXPIRED,		/* rx Machine */
	AD_RX_DEFAULTED,	/* rx Machine */
	AD_RX_CURRENT		/* rx Machine */
} rx_states_t;

/* periodic machine states(43.4.12 in the 802.3ad standard) */
typedef enum {
	AD_PERIODIC_DUMMY,
	AD_NO_PERIODIC,		/* periodic machine */
	AD_FAST_PERIODIC,	/* periodic machine */
	AD_SLOW_PERIODIC,	/* periodic machine */
	AD_PERIODIC_TX		/* periodic machine */
} periodic_states_t;

/* mux machine states(43.4.13 in the 802.3ad standard) */
typedef enum {
	AD_MUX_DUMMY,
	AD_MUX_DETACHED,	/* mux machine */
	AD_MUX_WAITING,		/* mux machine */
	AD_MUX_ATTACHED,	/* mux machine */
	AD_MUX_COLLECTING_DISTRIBUTING	/* mux machine */
} mux_states_t;

/* tx machine states(43.4.15 in the 802.3ad standard) */
typedef enum {
	AD_TX_DUMMY,
	AD_TRANSMIT		/* tx Machine */
} tx_states_t;

/* churn machine states(43.4.17 in the 802.3ad standard) */
typedef enum {
	 AD_CHURN_MONITOR, /* monitoring for churn */
	 AD_CHURN,         /* churn detected (error) */
	 AD_NO_CHURN       /* no churn (no error) */
} churn_state_t;

/* rx indication types */
typedef enum {
	AD_TYPE_LACPDU = 1,	/* type lacpdu */
	AD_TYPE_MARKER		/* type marker */
} pdu_type_t;

/* rx marker indication types */
typedef enum {
	AD_MARKER_INFORMATION_SUBTYPE = 1,	/* marker imformation subtype */
	AD_MARKER_RESPONSE_SUBTYPE		/* marker response subtype */
} bond_marker_subtype_t;

/* timers types(43.4.9 in the 802.3ad standard) */
typedef enum {
	AD_CURRENT_WHILE_TIMER,
	AD_ACTOR_CHURN_TIMER,
	AD_PERIODIC_TIMER,
	AD_PARTNER_CHURN_TIMER,
	AD_WAIT_WHILE_TIMER
} ad_timers_t;

#pragma pack(1)

/* Link Aggregation Control Protocol(LACP) data unit structure(43.4.2.2 in the 802.3ad standard) */
typedef struct lacpdu {
	u8 subtype;		/* = LACP(= 0x01) */
	u8 version_number;
	u8 tlv_type_actor_info;	/* = actor information(type/length/value) */
	u8 actor_information_length;	/* = 20 */
	__be16 actor_system_priority;
	struct mac_addr actor_system;
	__be16 actor_key;
	__be16 actor_port_priority;
	__be16 actor_port;
	u8 actor_state;
	u8 reserved_3_1[3];		/* = 0 */
	u8 tlv_type_partner_info;	/* = partner information */
	u8 partner_information_length;	/* = 20 */
	__be16 partner_system_priority;
	struct mac_addr partner_system;
	__be16 partner_key;
	__be16 partner_port_priority;
	__be16 partner_port;
	u8 partner_state;
	u8 reserved_3_2[3];		/* = 0 */
	u8 tlv_type_collector_info;	/* = collector information */
	u8 collector_information_length;/* = 16 */
	__be16 collector_max_delay;
	u8 reserved_12[12];
	u8 tlv_type_terminator;		/* = terminator */
	u8 terminator_length;		/* = 0 */
	u8 reserved_50[50];		/* = 0 */
} __packed lacpdu_t;

typedef struct lacpdu_header {
	struct ethhdr hdr;
	struct lacpdu lacpdu;
} __packed lacpdu_header_t;

/* Marker Protocol Data Unit(PDU) structure(43.5.3.2 in the 802.3ad standard) */
typedef struct bond_marker {
	u8 subtype;		/* = 0x02  (marker PDU) */
	u8 version_number;	/* = 0x01 */
	u8 tlv_type;		/* = 0x01  (marker information) */
	/* = 0x02  (marker response information) */
	u8 marker_length;	/* = 0x16 */
	u16 requester_port;	/* The number assigned to the port by the requester */
	struct mac_addr requester_system;	/* The requester's system id */
	u32 requester_transaction_id;		/* The transaction id allocated by the requester, */
	u16 pad;		/* = 0 */
	u8 tlv_type_terminator;	/* = 0x00 */
	u8 terminator_length;	/* = 0x00 */
	u8 reserved_90[90];	/* = 0 */
} __packed bond_marker_t;

typedef struct bond_marker_header {
	struct ethhdr hdr;
	struct bond_marker marker;
} __packed bond_marker_header_t;

#pragma pack()

struct slave;
struct bonding;
struct ad_info;
struct port;

#ifdef __ia64__
#pragma pack(8)
#endif

/* aggregator structure(43.4.5 in the 802.3ad standard) */
typedef struct aggregator {
	struct mac_addr aggregator_mac_address;
	u16 aggregator_identifier;
	bool is_individual;
	u16 actor_admin_aggregator_key;
	u16 actor_oper_aggregator_key;
	struct mac_addr partner_system;
	u16 partner_system_priority;
	u16 partner_oper_aggregator_key;
	u16 receive_state;	/* BOOLEAN */
	u16 transmit_state;	/* BOOLEAN */
	struct port *lag_ports;
	/* ****** PRIVATE PARAMETERS ****** */
	struct slave *slave;	/* pointer to the bond slave that this aggregator belongs to */
	u16 is_active;		/* BOOLEAN. Indicates if this aggregator is active */
	u16 num_of_ports;
} aggregator_t;

struct port_params {
	struct mac_addr system;
	u16 system_priority;
	u16 key;
	u16 port_number;
	u16 port_priority;
	u16 port_state;
};

/* port structure(43.4.6 in the 802.3ad standard) */
typedef struct port {
	u16 actor_port_number;
	u16 actor_port_priority;
	struct mac_addr actor_system;	/* This parameter is added here although it is not specified in the standard, just for simplification */
	u16 actor_system_priority;	/* This parameter is added here although it is not specified in the standard, just for simplification */
	u16 actor_port_aggregator_identifier;
	bool ntt;
	u16 actor_admin_port_key;
	u16 actor_oper_port_key;
	u8 actor_admin_port_state;
	u8 actor_oper_port_state;

	struct port_params partner_admin;
	struct port_params partner_oper;

	bool is_enabled;

	/* ****** PRIVATE PARAMETERS ****** */
	u16 sm_vars;		/* all state machines variables for this port */
	rx_states_t sm_rx_state;	/* state machine rx state */
	u16 sm_rx_timer_counter;	/* state machine rx timer counter */
	periodic_states_t sm_periodic_state;	/* state machine periodic state */
	u16 sm_periodic_timer_counter;	/* state machine periodic timer counter */
	mux_states_t sm_mux_state;	/* state machine mux state */
	u16 sm_mux_timer_counter;	/* state machine mux timer counter */
	tx_states_t sm_tx_state;	/* state machine tx state */
	u16 sm_tx_timer_counter;	/* state machine tx timer counter(allways on - enter to transmit state 3 time per second) */
	u16 sm_churn_actor_timer_counter;
	u16 sm_churn_partner_timer_counter;
	u32 churn_actor_count;
	u32 churn_partner_count;
	churn_state_t sm_churn_actor_state;
	churn_state_t sm_churn_partner_state;
	struct slave *slave;		/* pointer to the bond slave that this port belongs to */
	struct aggregator *aggregator;	/* pointer to an aggregator that this port related to */
	struct port *next_port_in_aggregator;	/* Next port on the linked list of the parent aggregator */
	u32 transaction_id;		/* continuous number for identification of Marker PDU's; */
	struct lacpdu lacpdu;		/* the lacpdu that will be sent for this port */
} port_t;

/* system structure */
struct ad_system {
	u16 sys_priority;
	struct mac_addr sys_mac_addr;
};

#ifdef __ia64__
#pragma pack()
#endif

/* ========== AD Exported structures to the main bonding code ========== */
#define BOND_AD_INFO(bond)   ((bond)->ad_info)
#define SLAVE_AD_INFO(slave) ((slave)->ad_info)

struct ad_bond_info {
	struct ad_system system;	/* 802.3ad system structure */
	u32 agg_select_timer;		/* Timer to select aggregator after all adapter's hand shakes */
	u16 aggregator_identifier;
};

struct ad_slave_info {
	struct aggregator aggregator;	/* 802.3ad aggregator structure */
	struct port port;		/* 802.3ad port structure */
	u16 id;
};

static inline const char *bond_3ad_churn_desc(churn_state_t state)
{
	static const char *const churn_description[] = {
		"monitoring",
		"churned",
		"none",
		"unknown"
	};
	int max_size = sizeof(churn_description) / sizeof(churn_description[0]);

	if (state >= max_size)
		state = max_size - 1;

	return churn_description[state];
}

/* ========== AD Exported functions to the main bonding code ========== */
void bond_3ad_initialize(struct bonding *bond, u16 tick_resolution);
void bond_3ad_bind_slave(struct slave *slave);
void bond_3ad_unbind_slave(struct slave *slave);
void bond_3ad_state_machine_handler(struct work_struct *);
void bond_3ad_initiate_agg_selection(struct bonding *bond, int timeout);
void bond_3ad_adapter_speed_duplex_changed(struct slave *slave);
void bond_3ad_handle_link_change(struct slave *slave, char link);
int  bond_3ad_get_active_agg_info(struct bonding *bond, struct ad_info *ad_info);
int  __bond_3ad_get_active_agg_info(struct bonding *bond,
				    struct ad_info *ad_info);
int bond_3ad_lacpdu_recv(const struct sk_buff *skb, struct bonding *bond,
			 struct slave *slave);
int bond_3ad_set_carrier(struct bonding *bond);
void bond_3ad_update_lacp_rate(struct bonding *bond);
void bond_3ad_update_ad_actor_settings(struct bonding *bond);
#endif /* _NET_BOND_3AD_H */
Commit	Line	Data
1da177e4 LT	1	/*
	2	* Copyright(c) 1999 - 2004 Intel Corporation. All rights reserved.
	3	*
	4	* This program is free software; you can redistribute it and/or modify it
	5	* under the terms of the GNU General Public License as published by the Free
	6	* Software Foundation; either version 2 of the License, or (at your option)
	7	* any later version.
	8	*
	9	* This program is distributed in the hope that it will be useful, but WITHOUT
	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
	12	* more details.
	13	*
	14	* You should have received a copy of the GNU General Public License along with
	15	* this program; if not, write to the Free Software Foundation, Inc., 59
	16	* Temple Place - Suite 330, Boston, MA 02111-1307, USA.
	17	*
	18	* The full GNU General Public License is included in this distribution in the
	19	* file called LICENSE.
	20	*
1da177e4 LT	21	*/
1da177e4 LT	22
1ef8019b DM	23	#ifndef _NET_BOND_3AD_H
1ef8019b DM	24	#define _NET_BOND_3AD_H
1da177e4 LT	25
	26	#include <asm/byteorder.h>
	27	#include <linux/skbuff.h>
	28	#include <linux/netdevice.h>
ed9b58bc	29	#include <linux/if_ether.h>
1da177e4	30
2ea24f2e	31	/* General definitions */
ed9b58bc	32	#define PKT_TYPE_LACPDU cpu_to_be16(ETH_P_SLOW)
1da177e4 LT	33	#define AD_TIMER_INTERVAL 100 /msec/
	34
	35	#define MULTICAST_LACPDU_ADDR {0x01, 0x80, 0xC2, 0x00, 0x00, 0x02}
1da177e4 LT	36
	37	#define AD_LACP_SLOW 0
	38	#define AD_LACP_FAST 1
	39
	40	typedef struct mac_addr {
	41	u8 mac_addr_value[ETH_ALEN];
a10e1466	42	} __packed mac_addr_t;
1da177e4	43
fd989c83 JV	44	enum {
	45	BOND_AD_STABLE = 0,
	46	BOND_AD_BANDWIDTH = 1,
	47	BOND_AD_COUNT = 2,
	48	};
1da177e4	49
2ea24f2e	50	/* rx machine states(43.4.11 in the 802.3ad standard) */
1da177e4 LT	51	typedef enum {
1da177e4 LT	52	AD_RX_DUMMY,
2ea24f2e JP	53	AD_RX_INITIALIZE, /* rx Machine */
	54	AD_RX_PORT_DISABLED, /* rx Machine */
	55	AD_RX_LACP_DISABLED, /* rx Machine */
	56	AD_RX_EXPIRED, /* rx Machine */
	57	AD_RX_DEFAULTED, /* rx Machine */
	58	AD_RX_CURRENT /* rx Machine */
1da177e4 LT	59	} rx_states_t;
1da177e4 LT	60
2ea24f2e	61	/* periodic machine states(43.4.12 in the 802.3ad standard) */
1da177e4 LT	62	typedef enum {
1da177e4 LT	63	AD_PERIODIC_DUMMY,
2ea24f2e JP	64	AD_NO_PERIODIC, /* periodic machine */
	65	AD_FAST_PERIODIC, /* periodic machine */
	66	AD_SLOW_PERIODIC, /* periodic machine */
	67	AD_PERIODIC_TX /* periodic machine */
1da177e4 LT	68	} periodic_states_t;
1da177e4 LT	69
2ea24f2e	70	/* mux machine states(43.4.13 in the 802.3ad standard) */
1da177e4 LT	71	typedef enum {
1da177e4 LT	72	AD_MUX_DUMMY,
2ea24f2e JP	73	AD_MUX_DETACHED, /* mux machine */
	74	AD_MUX_WAITING, /* mux machine */
	75	AD_MUX_ATTACHED, /* mux machine */
	76	AD_MUX_COLLECTING_DISTRIBUTING /* mux machine */
1da177e4 LT	77	} mux_states_t;
1da177e4 LT	78
2ea24f2e	79	/* tx machine states(43.4.15 in the 802.3ad standard) */
1da177e4 LT	80	typedef enum {
1da177e4 LT	81	AD_TX_DUMMY,
2ea24f2e	82	AD_TRANSMIT /* tx Machine */
1da177e4 LT	83	} tx_states_t;
1da177e4 LT	84
14c9551a MB	85	/* churn machine states(43.4.17 in the 802.3ad standard) */
	86	typedef enum {
	87	AD_CHURN_MONITOR, /* monitoring for churn */
	88	AD_CHURN, /* churn detected (error) */
	89	AD_NO_CHURN /* no churn (no error) */
	90	} churn_state_t;
	91
2ea24f2e	92	/* rx indication types */
1da177e4	93	typedef enum {
2ea24f2e JP	94	AD_TYPE_LACPDU = 1, /* type lacpdu */
2ea24f2e JP	95	AD_TYPE_MARKER /* type marker */
1da177e4 LT	96	} pdu_type_t;
1da177e4 LT	97
2ea24f2e	98	/* rx marker indication types */
1da177e4	99	typedef enum {
2ea24f2e JP	100	AD_MARKER_INFORMATION_SUBTYPE = 1, /* marker imformation subtype */
2ea24f2e JP	101	AD_MARKER_RESPONSE_SUBTYPE /* marker response subtype */
1c3f0b8e	102	} bond_marker_subtype_t;
1da177e4	103
2ea24f2e	104	/* timers types(43.4.9 in the 802.3ad standard) */
1da177e4 LT	105	typedef enum {
	106	AD_CURRENT_WHILE_TIMER,
	107	AD_ACTOR_CHURN_TIMER,
	108	AD_PERIODIC_TIMER,
	109	AD_PARTNER_CHURN_TIMER,
	110	AD_WAIT_WHILE_TIMER
	111	} ad_timers_t;
	112
	113	#pragma pack(1)
	114
2ea24f2e	115	/* Link Aggregation Control Protocol(LACP) data unit structure(43.4.2.2 in the 802.3ad standard) */
1da177e4	116	typedef struct lacpdu {
2ea24f2e	117	u8 subtype; /* = LACP(= 0x01) */
1da177e4	118	u8 version_number;
2ea24f2e JP	119	u8 tlv_type_actor_info; /* = actor information(type/length/value) */
2ea24f2e JP	120	u8 actor_information_length; /* = 20 */
d3bb52b0	121	__be16 actor_system_priority;
1da177e4	122	struct mac_addr actor_system;
d3bb52b0 AV	123	__be16 actor_key;
	124	__be16 actor_port_priority;
	125	__be16 actor_port;
1da177e4	126	u8 actor_state;
2ea24f2e JP	127	u8 reserved_3_1[3]; /* = 0 */
	128	u8 tlv_type_partner_info; /* = partner information */
	129	u8 partner_information_length; /* = 20 */
d3bb52b0	130	__be16 partner_system_priority;
1da177e4	131	struct mac_addr partner_system;
d3bb52b0 AV	132	__be16 partner_key;
	133	__be16 partner_port_priority;
	134	__be16 partner_port;
1da177e4	135	u8 partner_state;
2ea24f2e JP	136	u8 reserved_3_2[3]; /* = 0 */
	137	u8 tlv_type_collector_info; /* = collector information */
	138	u8 collector_information_length;/* = 16 */
d3bb52b0	139	__be16 collector_max_delay;
1da177e4	140	u8 reserved_12[12];
2ea24f2e JP	141	u8 tlv_type_terminator; /* = terminator */
	142	u8 terminator_length; /* = 0 */
	143	u8 reserved_50[50]; /* = 0 */
a10e1466	144	} __packed lacpdu_t;
1da177e4 LT	145
1da177e4 LT	146	typedef struct lacpdu_header {
e727149e	147	struct ethhdr hdr;
1da177e4	148	struct lacpdu lacpdu;
a10e1466	149	} __packed lacpdu_header_t;
1da177e4	150
2ea24f2e	151	/* Marker Protocol Data Unit(PDU) structure(43.5.3.2 in the 802.3ad standard) */
1c3f0b8e	152	typedef struct bond_marker {
2ea24f2e JP	153	u8 subtype; /* = 0x02 (marker PDU) */
	154	u8 version_number; /* = 0x01 */
	155	u8 tlv_type; /* = 0x01 (marker information) */
	156	/* = 0x02 (marker response information) */
	157	u8 marker_length; /* = 0x16 */
	158	u16 requester_port; /* The number assigned to the port by the requester */
	159	struct mac_addr requester_system; /* The requester's system id */
	160	u32 requester_transaction_id; /* The transaction id allocated by the requester, */
	161	u16 pad; /* = 0 */
	162	u8 tlv_type_terminator; /* = 0x00 */
	163	u8 terminator_length; /* = 0x00 */
	164	u8 reserved_90[90]; /* = 0 */
a10e1466	165	} __packed bond_marker_t;
1da177e4	166
1c3f0b8e	167	typedef struct bond_marker_header {
e727149e	168	struct ethhdr hdr;
1c3f0b8e	169	struct bond_marker marker;
a10e1466	170	} __packed bond_marker_header_t;
1da177e4 LT	171
	172	#pragma pack()
	173
	174	struct slave;
	175	struct bonding;
	176	struct ad_info;
	177	struct port;
	178
	179	#ifdef __ia64__
	180	#pragma pack(8)
	181	#endif
	182
2ea24f2e	183	/* aggregator structure(43.4.5 in the 802.3ad standard) */
1da177e4 LT	184	typedef struct aggregator {
	185	struct mac_addr aggregator_mac_address;
	186	u16 aggregator_identifier;
1624db7b	187	bool is_individual;
1da177e4 LT	188	u16 actor_admin_aggregator_key;
	189	u16 actor_oper_aggregator_key;
	190	struct mac_addr partner_system;
	191	u16 partner_system_priority;
	192	u16 partner_oper_aggregator_key;
2ea24f2e JP	193	u16 receive_state; /* BOOLEAN */
2ea24f2e JP	194	u16 transmit_state; /* BOOLEAN */
1da177e4	195	struct port *lag_ports;
2ea24f2e JP	196	/* **** PRIVATE PARAMETERS **** */
	197	struct slave slave; / pointer to the bond slave that this aggregator belongs to */
	198	u16 is_active; /* BOOLEAN. Indicates if this aggregator is active */
1da177e4 LT	199	u16 num_of_ports;
	200	} aggregator_t;
	201
1055c9ab HE	202	struct port_params {
	203	struct mac_addr system;
	204	u16 system_priority;
	205	u16 key;
	206	u16 port_number;
	207	u16 port_priority;
	208	u16 port_state;
	209	};
	210
2ea24f2e	211	/* port structure(43.4.6 in the 802.3ad standard) */
1da177e4 LT	212	typedef struct port {
	213	u16 actor_port_number;
	214	u16 actor_port_priority;
2ea24f2e JP	215	struct mac_addr actor_system; /* This parameter is added here although it is not specified in the standard, just for simplification */
2ea24f2e JP	216	u16 actor_system_priority; /* This parameter is added here although it is not specified in the standard, just for simplification */
1da177e4	217	u16 actor_port_aggregator_identifier;
d238d458	218	bool ntt;
1da177e4 LT	219	u16 actor_admin_port_key;
	220	u16 actor_oper_port_key;
	221	u8 actor_admin_port_state;
	222	u8 actor_oper_port_state;
1055c9ab HE	223
	224	struct port_params partner_admin;
	225	struct port_params partner_oper;
	226
f48127b6 HE	227	bool is_enabled;
f48127b6 HE	228
2ea24f2e JP	229	/* **** PRIVATE PARAMETERS **** */
	230	u16 sm_vars; /* all state machines variables for this port */
	231	rx_states_t sm_rx_state; /* state machine rx state */
	232	u16 sm_rx_timer_counter; /* state machine rx timer counter */
	233	periodic_states_t sm_periodic_state; /* state machine periodic state */
	234	u16 sm_periodic_timer_counter; /* state machine periodic timer counter */
	235	mux_states_t sm_mux_state; /* state machine mux state */
	236	u16 sm_mux_timer_counter; /* state machine mux timer counter */
	237	tx_states_t sm_tx_state; /* state machine tx state */
	238	u16 sm_tx_timer_counter; /* state machine tx timer counter(allways on - enter to transmit state 3 time per second) */
14c9551a MB	239	u16 sm_churn_actor_timer_counter;
	240	u16 sm_churn_partner_timer_counter;
	241	u32 churn_actor_count;
	242	u32 churn_partner_count;
	243	churn_state_t sm_churn_actor_state;
	244	churn_state_t sm_churn_partner_state;
2ea24f2e JP	245	struct slave slave; / pointer to the bond slave that this port belongs to */
	246	struct aggregator aggregator; / pointer to an aggregator that this port related to */
	247	struct port next_port_in_aggregator; / Next port on the linked list of the parent aggregator */
	248	u32 transaction_id; /* continuous number for identification of Marker PDU's; */
	249	struct lacpdu lacpdu; /* the lacpdu that will be sent for this port */
1da177e4 LT	250	} port_t;
1da177e4 LT	251
2ea24f2e	252	/* system structure */
87f422f8	253	struct ad_system {
1da177e4 LT	254	u16 sys_priority;
1da177e4 LT	255	struct mac_addr sys_mac_addr;
87f422f8	256	};
1da177e4 LT	257
	258	#ifdef __ia64__
	259	#pragma pack()
	260	#endif
	261
2ea24f2e	262	/* ========== AD Exported structures to the main bonding code ========== */
1da177e4 LT	263	#define BOND_AD_INFO(bond) ((bond)->ad_info)
	264	#define SLAVE_AD_INFO(slave) ((slave)->ad_info)
	265
	266	struct ad_bond_info {
2ea24f2e JP	267	struct ad_system system; /* 802.3ad system structure */
2ea24f2e JP	268	u32 agg_select_timer; /* Timer to select aggregator after all adapter's hand shakes */
163c8ff3	269	u16 aggregator_identifier;
1da177e4 LT	270	};
	271
	272	struct ad_slave_info {
2ea24f2e JP	273	struct aggregator aggregator; /* 802.3ad aggregator structure */
2ea24f2e JP	274	struct port port; /* 802.3ad port structure */
1da177e4 LT	275	u16 id;
	276	};
	277
14c9551a MB	278	static inline const char *bond_3ad_churn_desc(churn_state_t state)
	279	{
	280	static const char *const churn_description[] = {
	281	"monitoring",
	282	"churned",
	283	"none",
	284	"unknown"
	285	};
	286	int max_size = sizeof(churn_description) / sizeof(churn_description[0]);
	287
	288	if (state >= max_size)
	289	state = max_size - 1;
	290
	291	return churn_description[state];
	292	}
	293
2ea24f2e	294	/* ========== AD Exported functions to the main bonding code ========== */
56d00c67	295	void bond_3ad_initialize(struct bonding *bond, u16 tick_resolution);
2ea24f2e	296	void bond_3ad_bind_slave(struct slave *slave);
1da177e4	297	void bond_3ad_unbind_slave(struct slave *slave);
1b76b316	298	void bond_3ad_state_machine_handler(struct work_struct *);
fd989c83	299	void bond_3ad_initiate_agg_selection(struct bonding *bond, int timeout);
52bc6716	300	void bond_3ad_adapter_speed_duplex_changed(struct slave *slave);
1da177e4 LT	301	void bond_3ad_handle_link_change(struct slave *slave, char link);
1da177e4 LT	302	int bond_3ad_get_active_agg_info(struct bonding bond, struct ad_info ad_info);
318debd8	303	int __bond_3ad_get_active_agg_info(struct bonding *bond,
318debd8	304	struct ad_info *ad_info);
de063b70 ED	305	int bond_3ad_lacpdu_recv(const struct sk_buff skb, struct bonding bond,
de063b70 ED	306	struct slave *slave);
ff59c456	307	int bond_3ad_set_carrier(struct bonding *bond);
ba824a8b	308	void bond_3ad_update_lacp_rate(struct bonding *bond);
5ee14e6d	309	void bond_3ad_update_ad_actor_settings(struct bonding *bond);
1ef8019b	310	#endif /* _NET_BOND_3AD_H */
1da177e4	311