xref: /titanic_41/usr/src/uts/common/sys/mac_impl.h (revision 40e5e17b3361b3eea56a9723071c406894a20b78)
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 2006 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  */
25 
26 #ifndef	_SYS_MAC_IMPL_H
27 #define	_SYS_MAC_IMPL_H
28 
29 #pragma ident	"%Z%%M%	%I%	%E% SMI"
30 
31 #include <sys/mac.h>
32 #include <net/if.h>
33 
34 #ifdef	__cplusplus
35 extern "C" {
36 #endif
37 
38 /*
39  * Statistics maintained internally by the mac module.
40  */
41 enum mac_mod_stat {
42 	MAC_STAT_LINK_STATE,
43 	MAC_STAT_LINK_UP,
44 	MAC_STAT_PROMISC
45 };
46 
47 typedef struct mac_multicst_addr_s	mac_multicst_addr_t;
48 
49 struct mac_multicst_addr_s {
50 	mac_multicst_addr_t	*mma_nextp;
51 	uint_t			mma_ref;
52 	uint8_t			mma_addr[MAXMACADDRLEN];
53 };
54 
55 typedef struct mac_notify_fn_s		mac_notify_fn_t;
56 
57 struct mac_notify_fn_s {
58 	mac_notify_fn_t		*mnf_nextp;
59 	mac_notify_t		mnf_fn;
60 	void			*mnf_arg;
61 };
62 
63 typedef struct mac_rx_fn_s		mac_rx_fn_t;
64 
65 struct mac_rx_fn_s {
66 	mac_rx_fn_t		*mrf_nextp;
67 	mac_rx_t		mrf_fn;
68 	void			*mrf_arg;
69 };
70 
71 typedef struct mac_txloop_fn_s		mac_txloop_fn_t;
72 
73 struct mac_txloop_fn_s {
74 	mac_txloop_fn_t		*mtf_nextp;
75 	mac_txloop_t		mtf_fn;
76 	void			*mtf_arg;
77 };
78 
79 typedef struct mactype_s {
80 	const char	*mt_ident;
81 	uint32_t	mt_ref;
82 	uint_t		mt_type;
83 	uint_t		mt_nativetype;
84 	size_t		mt_addr_length;
85 	uint8_t		*mt_brdcst_addr;
86 	mactype_ops_t	mt_ops;
87 	mac_stat_info_t	*mt_stats;	/* array of mac_stat_info_t elements */
88 	size_t		mt_statcount;	/* number of elements in mt_stats */
89 } mactype_t;
90 
91 /*
92  * Each registered MAC is associated with a mac_t structure.
93  */
94 typedef struct mac_impl_s {
95 	char			mi_name[LIFNAMSIZ];
96 	const char		*mi_drvname;
97 	uint_t			mi_instance;
98 	void			*mi_driver;	/* Driver private data */
99 	mac_info_t		mi_info;
100 	mactype_t		*mi_type;
101 	void			*mi_pdata;
102 	size_t			mi_pdata_size;
103 	mac_callbacks_t		*mi_callbacks;
104 	dev_info_t		*mi_dip;
105 	uint32_t		mi_ref;
106 	boolean_t		mi_disabled;
107 	krwlock_t		mi_state_lock;
108 	uint_t			mi_active;
109 	krwlock_t		mi_data_lock;
110 	link_state_t		mi_linkstate;
111 	uint_t			mi_promisc;
112 	uint_t			mi_devpromisc;
113 	uint8_t			mi_addr[MAXMACADDRLEN];
114 	uint8_t			mi_dstaddr[MAXMACADDRLEN];
115 	mac_multicst_addr_t	*mi_mmap;
116 	krwlock_t		mi_notify_lock;
117 	mac_notify_fn_t		*mi_mnfp;
118 	kmutex_t		mi_notify_ref_lock;
119 	uint32_t		mi_notify_ref;
120 	kcondvar_t		mi_notify_cv;
121 	krwlock_t		mi_rx_lock;
122 	mac_rx_fn_t		*mi_mrfp;
123 	krwlock_t		mi_txloop_lock;
124 	mac_txloop_fn_t		*mi_mtfp;
125 	krwlock_t		mi_resource_lock;
126 	mac_resource_add_t	mi_resource_add;
127 	void			*mi_resource_add_arg;
128 	kstat_t			*mi_ksp;
129 	uint_t			mi_kstat_count;
130 	kmutex_t		mi_activelink_lock;
131 	boolean_t		mi_activelink;
132 	mac_txinfo_t		mi_txinfo;
133 	mac_txinfo_t		mi_txloopinfo;
134 } mac_impl_t;
135 
136 #define	mi_getstat	mi_callbacks->mc_getstat
137 #define	mi_start	mi_callbacks->mc_start
138 #define	mi_stop		mi_callbacks->mc_stop
139 #define	mi_setpromisc	mi_callbacks->mc_setpromisc
140 #define	mi_multicst	mi_callbacks->mc_multicst
141 #define	mi_unicst	mi_callbacks->mc_unicst
142 #define	mi_resources	mi_callbacks->mc_resources
143 #define	mi_tx		mi_callbacks->mc_tx
144 #define	mi_ioctl	mi_callbacks->mc_ioctl
145 #define	mi_getcapab	mi_callbacks->mc_getcapab
146 
147 typedef struct mac_notify_task_arg {
148 	mac_impl_t		*mnt_mip;
149 	mac_notify_type_t	mnt_type;
150 } mac_notify_task_arg_t;
151 
152 extern void	mac_init(void);
153 extern int	mac_fini(void);
154 
155 extern void	mac_stat_create(mac_impl_t *);
156 extern void	mac_stat_destroy(mac_impl_t *);
157 extern uint64_t	mac_stat_default(mac_impl_t *, uint_t);
158 
159 #ifdef	__cplusplus
160 }
161 #endif
162 
163 #endif	/* _SYS_MAC_IMPL_H */
164