sppptun_impl.h revision 5640:6cbb4c17a378 
1/*
2 * sppptun_impl.h - Internal sppptun data exposed for adb/mdb macros.
3 *
4 * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
5 * Use is subject to license terms.
6 */
7
8#ifndef	_SPPPTUN_IMPL_H
9#define	_SPPPTUN_IMPL_H
10
11#pragma ident	"%Z%%M%	%I%	%E% SMI"
12
13#ifdef	__cplusplus
14extern "C" {
15#endif
16
17/* For use with insque/remque (belongs in a system header!) */
18struct qelem {
19	struct qelem *q_forw;
20	struct qelem *q_back;
21};
22
23typedef struct tunll_s tunll_t;
24typedef struct tuncl_s tuncl_t;
25
26typedef struct {
27	kstat_named_t	lks_octrls;		/* sent control messages */
28	kstat_named_t	lks_octrl_drop;		/* dropped control messages */
29	kstat_named_t	lks_clients;		/* number of clients (tcls) */
30	kstat_named_t	lks_walks;		/* PPPoE tcl walks */
31	kstat_named_t	lks_in_nomatch;		/* input without match */
32	kstat_named_t	lks_indata;		/* input data packets */
33	kstat_named_t	lks_indata_drops;	/* input data packet drops */
34	kstat_named_t	lks_inctrls;		/* input control packets */
35	kstat_named_t	lks_inctrl_drops;	/* input control pkt drops */
36} tll_kstats_t;
37
38#define	TLL_KSTATS_NAMES \
39	"octrls", "octrl_drop", "clients", "walks", "in_nomatch", \
40	"indata", "indata_drops", "inctrls", "inctrl_drops"
41
42typedef struct {
43	kstat_named_t	cks_octrls;		/* sent control messages */
44	kstat_named_t	cks_octrl_drop;		/* dropped control messages */
45	kstat_named_t	cks_octrl_spec;		/* special control messages */
46	kstat_named_t	cks_walks;		/* PPPoE tcl walks */
47	kstat_named_t	cks_inctrls;		/* input control messages */
48	kstat_named_t	cks_inctrl_drops;	/* input control pkt drops */
49} tcl_kstats_t;
50
51#define	TCL_KSTATS_NAMES \
52	"octrls", "octrl_drop", "octrl_spec", "walks", "inctrls", \
53	"inctrl_drops"
54
55/*
56 * Tunnel lower layer structure; module open; connects to output device.
57 *
58 * Note: tll_flags member carefully aligned to match with tcl_flags in
59 * following structure so that we don't have to continually look at
60 * q_next to determine context.  Do not move these around.
61 *
62 * Note: this is also defined in uts/adb/common/tunll.dbg; if you change
63 * this structure, don't forget to change the adb/mdb macro.
64 */
65struct tunll_s {
66	uint32_t tll_flags;		/* See TLLF_* below */
67	void *tll_next, *tll_prev;
68
69	int tll_error;
70	queue_t *tll_wq;		/* Output data sent here */
71	tuncl_t *tll_defcl;		/* Default client (daemon) */
72	ppptun_atype tll_lcladdr;	/* Local address */
73
74	tuncl_t *tll_lastcl;		/* Silly PPPoE optimization */
75
76	ppptun_lname tll_name;
77	int tll_index;
78	int tll_muxid;
79	int tll_style;			/* Interface type; PTS_* */
80	int tll_alen;			/* Address length */
81
82	int tll_msg_pending;
83	mblk_t *tll_msg_deferred;
84
85	mblk_t *tll_onclose;
86
87	tll_kstats_t tll_kstats;	/* current statistics */
88	kstat_t *tll_ksp;		/* pointer to kstats allocation */
89};
90
91/*
92 * Tunnel client structure; used for each device open.
93 *
94 * There is one of these for each PPP session plus (perhaps) one for
95 * each tunneling protocol server daemon.
96 *
97 * Note: this is also defined in uts/adb/common/tuncl.dbg; if you change
98 * this structure, don't forget to change the adb/mdb macro.
99 */
100struct tuncl_s {
101	uint32_t tcl_flags;		/* TCLF_ flags below */
102
103	tunll_t *tcl_data_tll;		/* Pointer to data interface */
104	tunll_t *tcl_ctrl_tll;		/* Pointer to control */
105
106	queue_t *tcl_rq;		/* Received data sent here. */
107
108	uint32_t tcl_seq;
109
110	uint32_t tcl_ctlval;		/* Control distinguisher */
111
112	uint_t	tcl_style;		/* Saved style */
113	uint_t	tcl_ltunid;		/* Local Tunnel ID (L2F/L2TP) */
114	uint_t	tcl_rtunid;		/* Remote Tunnel ID (L2F/L2TP) */
115	uint_t	tcl_lsessid;		/* Local Session ID (minor node) */
116	uint_t	tcl_rsessid;		/* Remote Session ID */
117	ppptun_atype	tcl_address;
118
119	int	tcl_unit;		/* PPP unit number (for debug) */
120	struct pppstat64 tcl_stats;	/* Standard PPP statistics */
121	tcl_kstats_t tcl_kstats;	/* current statistics */
122	kstat_t *tcl_ksp;		/* pointer to kstats allocation */
123};
124
125#define	TO_TLL(p) \
126	((tunll_t *)((caddr_t)(p) - offsetof(tunll_t, tll_next)))
127
128#define	TLLF_NOTLOWER		0x00000001	/* never set */
129#define	TLLF_CLOSING		0x00000002	/* driver detach initiated */
130#define	TLLF_CLOSE_DONE		0x00000004	/* detach sent; waiting */
131#define	TLLF_SHUTDOWN_DONE	0x00000008	/* detach done */
132
133#define	TCLF_ISCLIENT		0x00000001	/* always set */
134#define	TCLF_FASTPATH		0x00000004	/* enable fast path recv */
135#define	TCLF_DAEMON		0x00000010	/* server side; session 0 */
136#define	TCLF_SPEER_DONE		0x00000020	/* SPEER ioctl done */
137
138#ifdef	__cplusplus
139}
140#endif
141
142#endif /* _SPPPTUN_IMPL_H */
143