aggr_impl.h revision 5102:b6ea1a119e46 
1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21/*
22 * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
23 * Use is subject to license terms.
24 */
25
26#ifndef	_SYS_AGGR_IMPL_H
27#define	_SYS_AGGR_IMPL_H
28
29#pragma ident	"%Z%%M%	%I%	%E% SMI"
30
31#include <sys/types.h>
32#include <sys/mac.h>
33#include <sys/mac_ether.h>
34#include <sys/aggr_lacp.h>
35
36#ifdef	__cplusplus
37extern "C" {
38#endif
39
40#ifdef _KERNEL
41
42#define	AGGR_MINOR_CTL	1		/* control interface minor */
43
44/* flags for aggr_grp_modify() */
45#define	AGGR_MODIFY_POLICY		0x01
46#define	AGGR_MODIFY_MAC			0x02
47#define	AGGR_MODIFY_LACP_MODE		0x04
48#define	AGGR_MODIFY_LACP_TIMER		0x08
49
50/*
51 * A link aggregation MAC port.
52 * Note that lp_next is protected by the lg_lock of the group the
53 * port is part of.
54 */
55typedef struct aggr_port_s {
56	struct aggr_port_s *lp_next;
57	struct aggr_grp_s *lp_grp;		/* back ptr to group */
58	char		lp_devname[MAXNAMELEN + 1];
59	uint16_t	lp_portid;
60	uint8_t		lp_addr[ETHERADDRL];	/* port MAC address */
61	uint32_t	lp_refs;		/* refcount */
62	aggr_port_state_t lp_state;
63	uint32_t	lp_started : 1,
64			lp_tx_enabled : 1,
65			lp_collector_enabled : 1,
66			lp_promisc_on : 1,
67			lp_pad_bits : 28;
68	uint32_t	lp_closing;
69	mac_handle_t	lp_mh;
70	const mac_info_t *lp_mip;
71	mac_notify_handle_t lp_mnh;
72	mac_rx_handle_t	lp_mrh;
73	krwlock_t	lp_lock;
74	uint_t		lp_tx_idx;		/* idx in group's tx array */
75	uint64_t	lp_ifspeed;
76	link_state_t	lp_link_state;
77	link_duplex_t	lp_link_duplex;
78	uint64_t	lp_stat[MAC_NSTAT];
79	uint64_t	lp_ether_stat[ETHER_NSTAT];
80	aggr_lacp_port_t lp_lacp;		/* LACP state */
81	lacp_stats_t	lp_lacp_stats;
82	const mac_txinfo_t *lp_txinfo;
83} aggr_port_t;
84
85/*
86 * A link aggregation group.
87 *
88 * The following per-group flags are defined:
89 *
90 * - lg_addr_fixed: set when the MAC address has been explicitely set
91 *   when the group was created, or by a m_unicst_set() request.
92 *   If this flag is not set, the MAC address of the group will be
93 *   set to the first port that is added to the group.
94 *
95 * - lg_add_set: used only when lg_addr_fixed is not set. Captures whether
96 *   the MAC address was initialized according to the members of the group.
97 *   When set, the lg_port field points to the port from which the
98 *   MAC address was initialized.
99 *
100 */
101typedef struct aggr_grp_s {
102	krwlock_t	lg_lock;
103	uint16_t	lg_key;			/* key (group port number) */
104	uint32_t	lg_refs;		/* refcount */
105	uint16_t	lg_nports;		/* number of MAC ports */
106	uint8_t		lg_addr[ETHERADDRL];	/* group MAC address */
107	uint16_t
108			lg_closing : 1,
109			lg_addr_fixed : 1,	/* fixed MAC address? */
110			lg_started : 1,		/* group started? */
111			lg_promisc : 1,		/* in promiscuous mode? */
112			lg_gldv3_polling : 1,
113			lg_pad_bits : 11;
114	aggr_port_t	*lg_ports;		/* list of configured ports */
115	aggr_port_t	*lg_mac_addr_port;
116	mac_handle_t	lg_mh;
117	uint_t		lg_rx_resources;
118	uint_t		lg_nattached_ports;
119	uint_t		lg_ntx_ports;
120	aggr_port_t	**lg_tx_ports;		/* array of tx ports */
121	uint_t		lg_tx_ports_size;	/* size of lg_tx_ports */
122	uint32_t	lg_tx_policy;		/* outbound policy */
123	uint64_t	lg_ifspeed;
124	link_state_t	lg_link_state;
125	link_duplex_t	lg_link_duplex;
126	uint64_t	lg_stat[MAC_NSTAT];
127	uint64_t	lg_ether_stat[ETHER_NSTAT];
128	aggr_lacp_mode_t lg_lacp_mode;		/* off, active, or passive */
129	Agg_t		aggr;			/* 802.3ad data */
130	uint32_t	lg_hcksum_txflags;
131	uint_t		lg_max_sdu;
132} aggr_grp_t;
133
134#define	AGGR_LACP_LOCK(grp)	mutex_enter(&(grp)->aggr.gl_lock);
135#define	AGGR_LACP_UNLOCK(grp)	mutex_exit(&(grp)->aggr.gl_lock);
136#define	AGGR_LACP_LOCK_HELD(grp) MUTEX_HELD(&(grp)->aggr.gl_lock)
137
138#define	AGGR_GRP_REFHOLD(grp) {			\
139	atomic_add_32(&(grp)->lg_refs, 1);	\
140	ASSERT((grp)->lg_refs != 0);		\
141}
142
143#define	AGGR_GRP_REFRELE(grp) {					\
144	ASSERT((grp)->lg_refs != 0);				\
145	membar_exit();						\
146	if (atomic_add_32_nv(&(grp)->lg_refs, -1) == 0)		\
147		aggr_grp_free(grp);				\
148}
149
150#define	AGGR_PORT_REFHOLD(port) {		\
151	atomic_add_32(&(port)->lp_refs, 1);	\
152	ASSERT((port)->lp_refs != 0);		\
153}
154
155#define	AGGR_PORT_REFRELE(port) {				\
156	ASSERT((port)->lp_refs != 0);				\
157	membar_exit();						\
158	if (atomic_add_32_nv(&(port)->lp_refs, -1) == 0)	\
159		aggr_port_free(port);				\
160}
161
162extern dev_info_t *aggr_dip;
163extern void aggr_ioctl(queue_t *, mblk_t *);
164
165typedef int (*aggr_grp_info_new_grp_fn_t)(void *, uint32_t, uchar_t *,
166    boolean_t, uint32_t, uint32_t, aggr_lacp_mode_t, aggr_lacp_timer_t);
167typedef int (*aggr_grp_info_new_port_fn_t)(void *, char *, uchar_t *,
168    aggr_port_state_t, aggr_lacp_state_t *);
169
170extern void aggr_grp_init(void);
171extern void aggr_grp_fini(void);
172extern int aggr_grp_create(uint32_t, uint_t, laioc_port_t *, uint32_t,
173    boolean_t, uchar_t *, aggr_lacp_mode_t, aggr_lacp_timer_t);
174extern int aggr_grp_delete(uint32_t);
175extern void aggr_grp_free(aggr_grp_t *);
176
177extern int aggr_grp_info(uint_t *, uint32_t, void *,
178    aggr_grp_info_new_grp_fn_t, aggr_grp_info_new_port_fn_t);
179extern void aggr_grp_notify(aggr_grp_t *, uint32_t);
180extern boolean_t aggr_grp_attach_port(aggr_grp_t *, aggr_port_t *);
181extern boolean_t aggr_grp_detach_port(aggr_grp_t *, aggr_port_t *);
182extern void aggr_grp_port_mac_changed(aggr_grp_t *, aggr_port_t *,
183    boolean_t *, boolean_t *);
184extern int aggr_grp_add_ports(uint32_t, uint_t, laioc_port_t *);
185extern int aggr_grp_rem_ports(uint32_t, uint_t, laioc_port_t *);
186extern boolean_t aggr_grp_update_ports_mac(aggr_grp_t *);
187extern int aggr_grp_modify(uint32_t, aggr_grp_t *, uint8_t, uint32_t,
188    boolean_t, const uchar_t *, aggr_lacp_mode_t, aggr_lacp_timer_t);
189extern void aggr_grp_multicst_port(aggr_port_t *, boolean_t);
190extern uint_t aggr_grp_count(void);
191
192extern void aggr_port_init(void);
193extern void aggr_port_fini(void);
194extern int aggr_port_create(const char *, aggr_port_t **);
195extern void aggr_port_delete(aggr_port_t *);
196extern void aggr_port_free(aggr_port_t *);
197extern int aggr_port_start(aggr_port_t *);
198extern void aggr_port_stop(aggr_port_t *);
199extern int aggr_port_promisc(aggr_port_t *, boolean_t);
200extern int aggr_port_unicst(aggr_port_t *, uint8_t *);
201extern int aggr_port_multicst(void *, boolean_t, const uint8_t *);
202extern uint64_t aggr_port_stat(aggr_port_t *, uint_t);
203extern boolean_t aggr_port_notify_link(aggr_grp_t *, aggr_port_t *, boolean_t);
204extern void aggr_port_init_callbacks(aggr_port_t *);
205
206extern void aggr_recv_cb(void *, mac_resource_handle_t, mblk_t *);
207
208extern mblk_t *aggr_m_tx(void *, mblk_t *);
209extern void aggr_send_port_enable(aggr_port_t *);
210extern void aggr_send_port_disable(aggr_port_t *);
211extern void aggr_send_update_policy(aggr_grp_t *, uint32_t);
212
213extern void aggr_lacp_init(void);
214extern void aggr_lacp_fini(void);
215extern void aggr_lacp_init_port(aggr_port_t *);
216extern void aggr_lacp_init_grp(aggr_grp_t *);
217extern void aggr_lacp_set_mode(aggr_grp_t *, aggr_lacp_mode_t,
218    aggr_lacp_timer_t);
219extern void aggr_lacp_update_mode(aggr_grp_t *, aggr_lacp_mode_t);
220extern void aggr_lacp_update_timer(aggr_grp_t *, aggr_lacp_timer_t);
221extern void aggr_lacp_rx(aggr_port_t *, mblk_t *);
222extern void aggr_lacp_port_attached(aggr_port_t *);
223extern void aggr_lacp_port_detached(aggr_port_t *);
224extern void aggr_lacp_policy_changed(aggr_grp_t *);
225
226#endif	/* _KERNEL */
227
228#ifdef	__cplusplus
229}
230#endif
231
232#endif	/* _SYS_AGGR_IMPL_H */
233