xref: /onnv-gate/usr/src/uts/common/ipp/dlcosmk/dlcosmk_impl.h (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate  * Copyright 2002 Sun Microsystems, Inc.  All rights reserved.
24*0Sstevel@tonic-gate  * Use is subject to license terms.
25*0Sstevel@tonic-gate  */
26*0Sstevel@tonic-gate 
27*0Sstevel@tonic-gate #ifndef _IPP_DLCOSMK_DLCOSMK_IMPL_H
28*0Sstevel@tonic-gate #define	_IPP_DLCOSMK_DLCOSMK_IMPL_H
29*0Sstevel@tonic-gate 
30*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
31*0Sstevel@tonic-gate 
32*0Sstevel@tonic-gate #include <sys/types.h>
33*0Sstevel@tonic-gate #include <sys/cmn_err.h>
34*0Sstevel@tonic-gate #include <ipp/ipp.h>
35*0Sstevel@tonic-gate #include <ipp/dlcosmk/dlcosmk.h>
36*0Sstevel@tonic-gate #include <inet/ipp_common.h>
37*0Sstevel@tonic-gate 
38*0Sstevel@tonic-gate #ifdef	__cplusplus
39*0Sstevel@tonic-gate extern "C" {
40*0Sstevel@tonic-gate #endif
41*0Sstevel@tonic-gate 
42*0Sstevel@tonic-gate /* Header file for implementation of DL CoS marker ipp action module */
43*0Sstevel@tonic-gate 
44*0Sstevel@tonic-gate #define	_DLCOSMK_DEBUG
45*0Sstevel@tonic-gate 
46*0Sstevel@tonic-gate /* The 3-MSB in the ToS/Dsfield are used to map to the 802.1D user priority */
47*0Sstevel@tonic-gate #define	TOS_CLASS_MASK		5
48*0Sstevel@tonic-gate /* 802.1D user priority is 3 bits - 0-7 */
49*0Sstevel@tonic-gate #define	UPRI_MAP_COUNT		8
50*0Sstevel@tonic-gate /* This will be used it the ToS/Dsfield needs to be mapped */
51*0Sstevel@tonic-gate #define	MAP_TOS_TO_UPRI		8
52*0Sstevel@tonic-gate 
53*0Sstevel@tonic-gate #ifdef _DLCOSMK_DEBUG
54*0Sstevel@tonic-gate #include <sys/debug.h>
55*0Sstevel@tonic-gate #define	dlcosmk0dbg(a)		printf a
56*0Sstevel@tonic-gate #define	dlcosmk1dbg(a)		if (dlcosmk_debug > 2) printf a
57*0Sstevel@tonic-gate #define	dlcosmk2dbg(a)		if (dlcosmk_debug > 3) printf a
58*0Sstevel@tonic-gate #else
59*0Sstevel@tonic-gate #define	dlcosmk0dbg(a)
60*0Sstevel@tonic-gate #define	dlcosmk1dbg(a)
61*0Sstevel@tonic-gate #define	dlcosmk2dbg(a)
62*0Sstevel@tonic-gate #endif /* _DLCOSMK_DEBUG */
63*0Sstevel@tonic-gate 
64*0Sstevel@tonic-gate /* dlcosmk stats info. available using kstats */
65*0Sstevel@tonic-gate typedef struct dlcosmk_stat_s {
66*0Sstevel@tonic-gate 	ipp_named_t	npackets;	/* no. of pkts seen by this instance */
67*0Sstevel@tonic-gate 	ipp_named_t	ipackets;	/* no. of pkts not processed */
68*0Sstevel@tonic-gate 	ipp_named_t	epackets;	/* no. of pkts in error */
69*0Sstevel@tonic-gate 	ipp_named_t	usr_pri;	/* configured 802.1D priority */
70*0Sstevel@tonic-gate 	ipp_named_t	b_band;		/* Mapped b_band for the priority */
71*0Sstevel@tonic-gate 	ipp_named_t	dl_max;		/* Mapped dl_max for the priority */
72*0Sstevel@tonic-gate } dlcosmk_stat_t;
73*0Sstevel@tonic-gate 
74*0Sstevel@tonic-gate /*
75*0Sstevel@tonic-gate  * If the above structure is changed, the count will have to be updated
76*0Sstevel@tonic-gate  * accordingly.
77*0Sstevel@tonic-gate  */
78*0Sstevel@tonic-gate #define	DLCOSMK_STATS_COUNT		6
79*0Sstevel@tonic-gate #define	DLCOSMK_STATS_STRING		"dlcosmk statistics"
80*0Sstevel@tonic-gate 
81*0Sstevel@tonic-gate /*
82*0Sstevel@tonic-gate  * Table containing 802.1D user_priority -> b_band/dl_max mappings.
83*0Sstevel@tonic-gate  * The mappings have been taken from the VLAN driver.
84*0Sstevel@tonic-gate  */
85*0Sstevel@tonic-gate typedef struct usrpri_tbl_s {
86*0Sstevel@tonic-gate 	uchar_t b_band;
87*0Sstevel@tonic-gate 	t_scalar_t dl_max;
88*0Sstevel@tonic-gate } usrpri_tbl_t;
89*0Sstevel@tonic-gate 
90*0Sstevel@tonic-gate extern usrpri_tbl_t usrpri_tbl[UPRI_MAP_COUNT];
91*0Sstevel@tonic-gate 
92*0Sstevel@tonic-gate #define	UPRI_TBL_SZ		sizeof (usrpri_tbl_t)
93*0Sstevel@tonic-gate 
94*0Sstevel@tonic-gate /* Per-instance data structure */
95*0Sstevel@tonic-gate typedef struct dlcosmk_data_s {
96*0Sstevel@tonic-gate 	ipp_action_id_t next_action; 	/* action id of next action */
97*0Sstevel@tonic-gate 	ipp_stat_t 	*stats;		/* stats for this instance */
98*0Sstevel@tonic-gate 	uint8_t 	usr_pri;	/* 802.1d user priority */
99*0Sstevel@tonic-gate 	uchar_t 	b_band;		/* corresponding bband */
100*0Sstevel@tonic-gate 	t_scalar_t 	dl_max;		/* corresponding dl_max */
101*0Sstevel@tonic-gate 	boolean_t 	gather_stats;	/* stats collected or not */
102*0Sstevel@tonic-gate 	uint64_t 	npackets;	/* no. of pkts. for this instance */
103*0Sstevel@tonic-gate 	uint64_t 	epackets;	/* no. of pkts. in error */
104*0Sstevel@tonic-gate 	uint64_t 	ipackets;	/* no. of pkts. not processed */
105*0Sstevel@tonic-gate } dlcosmk_data_t;
106*0Sstevel@tonic-gate 
107*0Sstevel@tonic-gate #define	DLCOSMK_DATA_SZ		sizeof (dlcosmk_data_t)
108*0Sstevel@tonic-gate 
109*0Sstevel@tonic-gate /*
110*0Sstevel@tonic-gate  * ToS -> user_priority mapping. This mapping is local to this implementation
111*0Sstevel@tonic-gate  * i.e., the ToS -> 802.1D mapping is not a standard.
112*0Sstevel@tonic-gate  */
113*0Sstevel@tonic-gate extern uint8_t tos_to_usrpri[UPRI_MAP_COUNT];
114*0Sstevel@tonic-gate 
115*0Sstevel@tonic-gate #ifdef _KERNEL
116*0Sstevel@tonic-gate extern int dlcosmk_debug;
117*0Sstevel@tonic-gate extern int dlcosmk_process(mblk_t **, dlcosmk_data_t *, uint32_t, ip_proc_t);
118*0Sstevel@tonic-gate #endif /* _KERNEL */
119*0Sstevel@tonic-gate 
120*0Sstevel@tonic-gate #ifdef	__cplusplus
121*0Sstevel@tonic-gate }
122*0Sstevel@tonic-gate #endif
123*0Sstevel@tonic-gate 
124*0Sstevel@tonic-gate #endif /* _IPP_DLCOSMK_DLCOSMK_IMPL_H */
125