[linux-block.git] / include / net / bond_3ad.h

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * Copyright(c) 1999 - 2004 Intel Corporation. All rights reserved.
 */

#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 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,	/* mux machine */
	AD_MUX_DISTRIBUTING,	/* 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

struct bond_3ad_stats {
	atomic64_t lacpdu_rx;
	atomic64_t lacpdu_tx;
	atomic64_t lacpdu_unknown_rx;
	atomic64_t lacpdu_illegal_rx;

	atomic64_t marker_rx;
	atomic64_t marker_tx;
	atomic64_t marker_resp_rx;
	atomic64_t marker_resp_tx;
	atomic64_t marker_unknown_rx;
};

/* 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 */
	struct bond_3ad_stats stats;
	atomic_t 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 */
	struct bond_3ad_stats stats;
	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 = ARRAY_SIZE(churn_description);

	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);
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);
int bond_3ad_stats_fill(struct sk_buff *skb, struct bond_3ad_stats *stats);
size_t bond_3ad_stats_size(void);
#endif /* _NET_BOND_3AD_H */
Commit	Line	Data
9e567af4	1	/* SPDX-License-Identifier: GPL-2.0-or-later */
1da177e4 LT	2	/*
1da177e4 LT	3	* Copyright(c) 1999 - 2004 Intel Corporation. All rights reserved.
1da177e4 LT	4	*/
1da177e4 LT	5
1ef8019b DM	6	#ifndef _NET_BOND_3AD_H
1ef8019b DM	7	#define _NET_BOND_3AD_H
1da177e4 LT	8
	9	#include <asm/byteorder.h>
	10	#include <linux/skbuff.h>
	11	#include <linux/netdevice.h>
ed9b58bc	12	#include <linux/if_ether.h>
1da177e4	13
2ea24f2e	14	/* General definitions */
ed9b58bc	15	#define PKT_TYPE_LACPDU cpu_to_be16(ETH_P_SLOW)
1da177e4 LT	16	#define AD_TIMER_INTERVAL 100 /msec/
1da177e4 LT	17
1da177e4 LT	18	#define AD_LACP_SLOW 0
	19	#define AD_LACP_FAST 1
	20
	21	typedef struct mac_addr {
	22	u8 mac_addr_value[ETH_ALEN];
a10e1466	23	} __packed mac_addr_t;
1da177e4	24
fd989c83 JV	25	enum {
	26	BOND_AD_STABLE = 0,
	27	BOND_AD_BANDWIDTH = 1,
	28	BOND_AD_COUNT = 2,
	29	};
1da177e4	30
2ea24f2e	31	/* rx machine states(43.4.11 in the 802.3ad standard) */
1da177e4 LT	32	typedef enum {
1da177e4 LT	33	AD_RX_DUMMY,
2ea24f2e JP	34	AD_RX_INITIALIZE, /* rx Machine */
	35	AD_RX_PORT_DISABLED, /* rx Machine */
	36	AD_RX_LACP_DISABLED, /* rx Machine */
	37	AD_RX_EXPIRED, /* rx Machine */
	38	AD_RX_DEFAULTED, /* rx Machine */
	39	AD_RX_CURRENT /* rx Machine */
1da177e4 LT	40	} rx_states_t;
1da177e4 LT	41
2ea24f2e	42	/* periodic machine states(43.4.12 in the 802.3ad standard) */
1da177e4 LT	43	typedef enum {
1da177e4 LT	44	AD_PERIODIC_DUMMY,
2ea24f2e JP	45	AD_NO_PERIODIC, /* periodic machine */
	46	AD_FAST_PERIODIC, /* periodic machine */
	47	AD_SLOW_PERIODIC, /* periodic machine */
	48	AD_PERIODIC_TX /* periodic machine */
1da177e4 LT	49	} periodic_states_t;
1da177e4 LT	50
2ea24f2e	51	/* mux machine states(43.4.13 in the 802.3ad standard) */
1da177e4 LT	52	typedef enum {
1da177e4 LT	53	AD_MUX_DUMMY,
2ea24f2e JP	54	AD_MUX_DETACHED, /* mux machine */
	55	AD_MUX_WAITING, /* mux machine */
	56	AD_MUX_ATTACHED, /* mux machine */
240fd405 AA	57	AD_MUX_COLLECTING, /* mux machine */
240fd405 AA	58	AD_MUX_DISTRIBUTING, /* mux machine */
2ea24f2e	59	AD_MUX_COLLECTING_DISTRIBUTING /* mux machine */
1da177e4 LT	60	} mux_states_t;
1da177e4 LT	61
2ea24f2e	62	/* tx machine states(43.4.15 in the 802.3ad standard) */
1da177e4 LT	63	typedef enum {
1da177e4 LT	64	AD_TX_DUMMY,
2ea24f2e	65	AD_TRANSMIT /* tx Machine */
1da177e4 LT	66	} tx_states_t;
1da177e4 LT	67
14c9551a MB	68	/* churn machine states(43.4.17 in the 802.3ad standard) */
	69	typedef enum {
	70	AD_CHURN_MONITOR, /* monitoring for churn */
	71	AD_CHURN, /* churn detected (error) */
	72	AD_NO_CHURN /* no churn (no error) */
	73	} churn_state_t;
	74
2ea24f2e	75	/* rx indication types */
1da177e4	76	typedef enum {
2ea24f2e JP	77	AD_TYPE_LACPDU = 1, /* type lacpdu */
2ea24f2e JP	78	AD_TYPE_MARKER /* type marker */
1da177e4 LT	79	} pdu_type_t;
1da177e4 LT	80
2ea24f2e	81	/* rx marker indication types */
1da177e4	82	typedef enum {
2ea24f2e JP	83	AD_MARKER_INFORMATION_SUBTYPE = 1, /* marker imformation subtype */
2ea24f2e JP	84	AD_MARKER_RESPONSE_SUBTYPE /* marker response subtype */
1c3f0b8e	85	} bond_marker_subtype_t;
1da177e4	86
2ea24f2e	87	/* timers types(43.4.9 in the 802.3ad standard) */
1da177e4 LT	88	typedef enum {
	89	AD_CURRENT_WHILE_TIMER,
	90	AD_ACTOR_CHURN_TIMER,
	91	AD_PERIODIC_TIMER,
	92	AD_PARTNER_CHURN_TIMER,
	93	AD_WAIT_WHILE_TIMER
	94	} ad_timers_t;
	95
	96	#pragma pack(1)
	97
2ea24f2e	98	/* Link Aggregation Control Protocol(LACP) data unit structure(43.4.2.2 in the 802.3ad standard) */
1da177e4	99	typedef struct lacpdu {
2ea24f2e	100	u8 subtype; /* = LACP(= 0x01) */
1da177e4	101	u8 version_number;
2ea24f2e JP	102	u8 tlv_type_actor_info; /* = actor information(type/length/value) */
2ea24f2e JP	103	u8 actor_information_length; /* = 20 */
d3bb52b0	104	__be16 actor_system_priority;
1da177e4	105	struct mac_addr actor_system;
d3bb52b0 AV	106	__be16 actor_key;
	107	__be16 actor_port_priority;
	108	__be16 actor_port;
1da177e4	109	u8 actor_state;
2ea24f2e JP	110	u8 reserved_3_1[3]; /* = 0 */
	111	u8 tlv_type_partner_info; /* = partner information */
	112	u8 partner_information_length; /* = 20 */
d3bb52b0	113	__be16 partner_system_priority;
1da177e4	114	struct mac_addr partner_system;
d3bb52b0 AV	115	__be16 partner_key;
	116	__be16 partner_port_priority;
	117	__be16 partner_port;
1da177e4	118	u8 partner_state;
2ea24f2e JP	119	u8 reserved_3_2[3]; /* = 0 */
	120	u8 tlv_type_collector_info; /* = collector information */
	121	u8 collector_information_length;/* = 16 */
d3bb52b0	122	__be16 collector_max_delay;
1da177e4	123	u8 reserved_12[12];
2ea24f2e JP	124	u8 tlv_type_terminator; /* = terminator */
	125	u8 terminator_length; /* = 0 */
	126	u8 reserved_50[50]; /* = 0 */
a10e1466	127	} __packed lacpdu_t;
1da177e4 LT	128
1da177e4 LT	129	typedef struct lacpdu_header {
e727149e	130	struct ethhdr hdr;
1da177e4	131	struct lacpdu lacpdu;
a10e1466	132	} __packed lacpdu_header_t;
1da177e4	133
2ea24f2e	134	/* Marker Protocol Data Unit(PDU) structure(43.5.3.2 in the 802.3ad standard) */
1c3f0b8e	135	typedef struct bond_marker {
2ea24f2e JP	136	u8 subtype; /* = 0x02 (marker PDU) */
	137	u8 version_number; /* = 0x01 */
	138	u8 tlv_type; /* = 0x01 (marker information) */
	139	/* = 0x02 (marker response information) */
	140	u8 marker_length; /* = 0x16 */
	141	u16 requester_port; /* The number assigned to the port by the requester */
	142	struct mac_addr requester_system; /* The requester's system id */
	143	u32 requester_transaction_id; /* The transaction id allocated by the requester, */
	144	u16 pad; /* = 0 */
	145	u8 tlv_type_terminator; /* = 0x00 */
	146	u8 terminator_length; /* = 0x00 */
	147	u8 reserved_90[90]; /* = 0 */
a10e1466	148	} __packed bond_marker_t;
1da177e4	149
1c3f0b8e	150	typedef struct bond_marker_header {
e727149e	151	struct ethhdr hdr;
1c3f0b8e	152	struct bond_marker marker;
a10e1466	153	} __packed bond_marker_header_t;
1da177e4 LT	154
	155	#pragma pack()
	156
	157	struct slave;
	158	struct bonding;
	159	struct ad_info;
	160	struct port;
	161
	162	#ifdef __ia64__
	163	#pragma pack(8)
	164	#endif
	165
267c095a NA	166	struct bond_3ad_stats {
	167	atomic64_t lacpdu_rx;
	168	atomic64_t lacpdu_tx;
	169	atomic64_t lacpdu_unknown_rx;
	170	atomic64_t lacpdu_illegal_rx;
	171
	172	atomic64_t marker_rx;
	173	atomic64_t marker_tx;
	174	atomic64_t marker_resp_rx;
	175	atomic64_t marker_resp_tx;
	176	atomic64_t marker_unknown_rx;
	177	};
	178
2ea24f2e	179	/* aggregator structure(43.4.5 in the 802.3ad standard) */
1da177e4 LT	180	typedef struct aggregator {
	181	struct mac_addr aggregator_mac_address;
	182	u16 aggregator_identifier;
1624db7b	183	bool is_individual;
1da177e4 LT	184	u16 actor_admin_aggregator_key;
	185	u16 actor_oper_aggregator_key;
	186	struct mac_addr partner_system;
	187	u16 partner_system_priority;
	188	u16 partner_oper_aggregator_key;
2ea24f2e JP	189	u16 receive_state; /* BOOLEAN */
2ea24f2e JP	190	u16 transmit_state; /* BOOLEAN */
1da177e4	191	struct port *lag_ports;
2ea24f2e JP	192	/* **** PRIVATE PARAMETERS **** */
	193	struct slave slave; / pointer to the bond slave that this aggregator belongs to */
	194	u16 is_active; /* BOOLEAN. Indicates if this aggregator is active */
1da177e4 LT	195	u16 num_of_ports;
	196	} aggregator_t;
	197
1055c9ab HE	198	struct port_params {
	199	struct mac_addr system;
	200	u16 system_priority;
	201	u16 key;
	202	u16 port_number;
	203	u16 port_priority;
	204	u16 port_state;
	205	};
	206
2ea24f2e	207	/* port structure(43.4.6 in the 802.3ad standard) */
1da177e4 LT	208	typedef struct port {
	209	u16 actor_port_number;
	210	u16 actor_port_priority;
2ea24f2e JP	211	struct mac_addr actor_system; /* This parameter is added here although it is not specified in the standard, just for simplification */
2ea24f2e JP	212	u16 actor_system_priority; /* This parameter is added here although it is not specified in the standard, just for simplification */
1da177e4	213	u16 actor_port_aggregator_identifier;
d238d458	214	bool ntt;
1da177e4 LT	215	u16 actor_admin_port_key;
	216	u16 actor_oper_port_key;
	217	u8 actor_admin_port_state;
	218	u8 actor_oper_port_state;
1055c9ab HE	219
	220	struct port_params partner_admin;
	221	struct port_params partner_oper;
	222
f48127b6 HE	223	bool is_enabled;
f48127b6 HE	224
2ea24f2e JP	225	/* **** PRIVATE PARAMETERS **** */
	226	u16 sm_vars; /* all state machines variables for this port */
	227	rx_states_t sm_rx_state; /* state machine rx state */
	228	u16 sm_rx_timer_counter; /* state machine rx timer counter */
	229	periodic_states_t sm_periodic_state; /* state machine periodic state */
	230	u16 sm_periodic_timer_counter; /* state machine periodic timer counter */
	231	mux_states_t sm_mux_state; /* state machine mux state */
	232	u16 sm_mux_timer_counter; /* state machine mux timer counter */
	233	tx_states_t sm_tx_state; /* state machine tx state */
	234	u16 sm_tx_timer_counter; /* state machine tx timer counter(allways on - enter to transmit state 3 time per second) */
14c9551a MB	235	u16 sm_churn_actor_timer_counter;
	236	u16 sm_churn_partner_timer_counter;
	237	u32 churn_actor_count;
	238	u32 churn_partner_count;
	239	churn_state_t sm_churn_actor_state;
	240	churn_state_t sm_churn_partner_state;
2ea24f2e JP	241	struct slave slave; / pointer to the bond slave that this port belongs to */
	242	struct aggregator aggregator; / pointer to an aggregator that this port related to */
	243	struct port next_port_in_aggregator; / Next port on the linked list of the parent aggregator */
	244	u32 transaction_id; /* continuous number for identification of Marker PDU's; */
	245	struct lacpdu lacpdu; /* the lacpdu that will be sent for this port */
1da177e4 LT	246	} port_t;
1da177e4 LT	247
2ea24f2e	248	/* system structure */
87f422f8	249	struct ad_system {
1da177e4 LT	250	u16 sys_priority;
1da177e4 LT	251	struct mac_addr sys_mac_addr;
87f422f8	252	};
1da177e4 LT	253
	254	#ifdef __ia64__
	255	#pragma pack()
	256	#endif
	257
2ea24f2e	258	/* ========== AD Exported structures to the main bonding code ========== */
1da177e4 LT	259	#define BOND_AD_INFO(bond) ((bond)->ad_info)
	260	#define SLAVE_AD_INFO(slave) ((slave)->ad_info)
	261
	262	struct ad_bond_info {
2ea24f2e	263	struct ad_system system; /* 802.3ad system structure */
949e7cea	264	struct bond_3ad_stats stats;
9ceaf6f7	265	atomic_t agg_select_timer; /* Timer to select aggregator after all adapter's hand shakes */
163c8ff3	266	u16 aggregator_identifier;
1da177e4 LT	267	};
	268
	269	struct ad_slave_info {
2ea24f2e JP	270	struct aggregator aggregator; /* 802.3ad aggregator structure */
2ea24f2e JP	271	struct port port; /* 802.3ad port structure */
267c095a	272	struct bond_3ad_stats stats;
1da177e4 LT	273	u16 id;
	274	};
	275
14c9551a MB	276	static inline const char *bond_3ad_churn_desc(churn_state_t state)
	277	{
	278	static const char *const churn_description[] = {
	279	"monitoring",
	280	"churned",
	281	"none",
	282	"unknown"
	283	};
31ba191b	284	int max_size = ARRAY_SIZE(churn_description);
14c9551a MB	285
	286	if (state >= max_size)
	287	state = max_size - 1;
	288
	289	return churn_description[state];
	290	}
	291
2ea24f2e	292	/* ========== AD Exported functions to the main bonding code ========== */
f2e44dff	293	void bond_3ad_initialize(struct bonding *bond);
2ea24f2e	294	void bond_3ad_bind_slave(struct slave *slave);
1da177e4	295	void bond_3ad_unbind_slave(struct slave *slave);
1b76b316	296	void bond_3ad_state_machine_handler(struct work_struct *);
fd989c83	297	void bond_3ad_initiate_agg_selection(struct bonding *bond, int timeout);
52bc6716	298	void bond_3ad_adapter_speed_duplex_changed(struct slave *slave);
1da177e4 LT	299	void bond_3ad_handle_link_change(struct slave *slave, char link);
1da177e4 LT	300	int bond_3ad_get_active_agg_info(struct bonding bond, struct ad_info ad_info);
318debd8	301	int __bond_3ad_get_active_agg_info(struct bonding *bond,
318debd8	302	struct ad_info *ad_info);
de063b70 ED	303	int bond_3ad_lacpdu_recv(const struct sk_buff skb, struct bonding bond,
de063b70 ED	304	struct slave *slave);
ff59c456	305	int bond_3ad_set_carrier(struct bonding *bond);
ba824a8b	306	void bond_3ad_update_lacp_rate(struct bonding *bond);
5ee14e6d	307	void bond_3ad_update_ad_actor_settings(struct bonding *bond);
a258aeac NA	308	int bond_3ad_stats_fill(struct sk_buff skb, struct bond_3ad_stats stats);
a258aeac NA	309	size_t bond_3ad_stats_size(void);
1ef8019b	310	#endif /* _NET_BOND_3AD_H */
1da177e4	311