xref: /titanic_51/usr/src/uts/common/sys/nxge/nxge_fflp.h (revision dcda19f50b2b80bfc622fff718ac04fb0e1cb670)
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_NXGE_NXGE_FFLP_H
27 #define	_SYS_NXGE_NXGE_FFLP_H
28 
29 #pragma ident	"%Z%%M%	%I%	%E% SMI"
30 
31 #ifdef	__cplusplus
32 extern "C" {
33 #endif
34 
35 #include <npi_fflp.h>
36 
37 #define	MAX_PARTITION 8
38 
39 typedef	struct _fflp_errlog {
40 	uint32_t		vlan;
41 	uint32_t		tcam;
42 	uint32_t		hash_pio[MAX_PARTITION];
43 	uint32_t		hash_lookup1;
44 	uint32_t		hash_lookup2;
45 } fflp_errlog_t, *p_fflp_errlog_t;
46 
47 typedef struct _fflp_stats {
48 	uint32_t 		tcam_entries;
49 	uint32_t 		fcram_entries;
50 	uint32_t 		tcam_parity_err;
51 	uint32_t 		tcam_ecc_err;
52 	uint32_t 		vlan_parity_err;
53 	uint32_t 		hash_lookup_err;
54 	uint32_t 		hash_pio_err[MAX_PARTITION];
55 	fflp_errlog_t		errlog;
56 } nxge_fflp_stats_t, *p_nxge_fflp_stats_t;
57 
58 /*
59  * The FCRAM (hash table) cosnists of 1 meg cells
60  * each 64 byte wide. Each cell can hold either of:
61  * 2 IPV4 Exact match entry (each 32 bytes)
62  * 1 IPV6 Exact match entry (each 56 bytes) and
63  *    1 Optimistic match entry (each 8 bytes)
64  * 8 Optimistic match entries (each 8 bytes)
65  * In the case IPV4 Exact match, half of the cell
66  * (the first or the second 32 bytes) could be used
67  * to hold 4 Optimistic matches
68  */
69 
70 #define	FCRAM_CELL_EMPTY	0x00
71 #define	FCRAM_CELL_IPV4_IPV4	0x01
72 #define	FCRAM_CELL_IPV4_OPT	0x02
73 #define	FCRAM_CELL_OPT_IPV4	0x04
74 #define	FCRAM_CELL_IPV6_OPT	0x08
75 #define	FCRAM_CELL_OPT_OPT	0x10
76 
77 
78 #define	FCRAM_SUBAREA0_OCCUPIED	0x01
79 #define	FCRAM_SUBAREA1_OCCUPIED	0x02
80 #define	FCRAM_SUBAREA2_OCCUPIED	0x04
81 #define	FCRAM_SUBAREA3_OCCUPIED	0x08
82 
83 #define	FCRAM_SUBAREA4_OCCUPIED	0x10
84 #define	FCRAM_SUBAREA5_OCCUPIED	0x20
85 #define	FCRAM_SUBAREA6_OCCUPIED	0x40
86 #define	FCRAM_SUBAREA7_OCCUPIED	0x20
87 
88 #define	FCRAM_IPV4_SUBAREA0_OCCUPIED \
89 	(FCRAM_SUBAREA0_OCCUPIED | FCRAM_SUBAREA1_OCCUPIED | \
90 	FCRAM_SUBAREA2_OCCUPIED | FCRAM_SUBAREA3_OCCUPIED)
91 
92 #define	FCRAM_IPV4_SUBAREA4_OCCUPIED \
93 	(FCRAM_SUBAREA4_OCCUPIED | FCRAM_SUBAREA5_OCCUPIED | \
94 	FCRAM_SUBAREA6_OCCUPIED | FCRAM_SUBAREA7_OCCUPIED)
95 
96 
97 #define	FCRAM_IPV6_SUBAREA0_OCCUPIED \
98 	(FCRAM_SUBAREA0_OCCUPIED | FCRAM_SUBAREA1_OCCUPIED | \
99 	FCRAM_SUBAREA2_OCCUPIED | FCRAM_SUBAREA3_OCCUPIED | \
100 	FCRAM_SUBAREA4_OCCUPIED | FCRAM_SUBAREA5_OCCUPIED | \
101 	FCRAM_SUBAREA6_OCCUPIED)
102 
103 	/*
104 	 * The current occupancy state of each FCRAM cell isy
105 	 * described by the fcram_cell_t data structure.
106 	 * The "type" field denotes the type of entry (or combination)
107 	 * the cell holds (FCRAM_CELL_EMPTY ...... FCRAM_CELL_OPT_OPT)
108 	 * The "occupied" field indicates if individual 8 bytes (subareas)
109 	 * with in the cell are occupied
110 	 */
111 
112 typedef struct _fcram_cell {
113 	uint32_t 		type:8;
114 	uint32_t 		occupied:8;
115 	uint32_t 		shadow_loc:16;
116 } fcram_cell_t, *p_fcram_cell_t;
117 
118 typedef struct _fcram_parition {
119 	uint8_t 		id;
120 	uint8_t 		base;
121 	uint8_t 		mask;
122 	uint8_t 		reloc;
123 	uint32_t 		flags;
124 #define	HASH_PARTITION_ENABLED 1
125 	uint32_t 		offset;
126 	uint32_t 		size;
127 } fcram_parition_t, *p_fcram_partition_t;
128 
129 
130 typedef struct _tcam_flow_spec {
131 	tcam_entry_t tce;
132 	uint64_t flags;
133 	uint64_t user_info;
134 } tcam_flow_spec_t, *p_tcam_flow_spec_t;
135 
136 
137 /*
138  * Used for configuration.
139  * ndd as well nxge.conf use the following definitions
140  */
141 
142 #define	NXGE_CLASS_CONFIG_PARAMS	20
143 /* Used for ip class flow key and tcam key config */
144 
145 #define	NXGE_CLASS_TCAM_LOOKUP		0x0001
146 #define	NXGE_CLASS_TCAM_USE_SRC_ADDR	0x0002
147 #define	NXGE_CLASS_FLOW_USE_PORTNUM	0x0010
148 #define	NXGE_CLASS_FLOW_USE_L2DA	0x0020
149 #define	NXGE_CLASS_FLOW_USE_VLAN	0x0040
150 #define	NXGE_CLASS_FLOW_USE_PROTO	0x0080
151 #define	NXGE_CLASS_FLOW_USE_IPSRC	0x0100
152 #define	NXGE_CLASS_FLOW_USE_IPDST	0x0200
153 #define	NXGE_CLASS_FLOW_USE_SRC_PORT	0x0400
154 #define	NXGE_CLASS_FLOW_USE_DST_PORT	0x0800
155 #define	NXGE_CLASS_DISCARD		0x80000000
156 
157 /* these are used for quick configs */
158 #define	NXGE_CLASS_FLOW_WEB_SERVER	NXGE_CLASS_FLOW_USE_IPSRC | \
159 					NXGE_CLASS_FLOW_USE_SRC_PORT
160 
161 #define	NXGE_CLASS_FLOW_GEN_SERVER	NXGE_CLASS_FLOW_USE_IPSRC | \
162 					NXGE_CLASS_FLOW_USE_IPDST | \
163 					NXGE_CLASS_FLOW_USE_SRC_PORT |	\
164 					NXGE_CLASS_FLOW_USE_DST_PORT | \
165 					NXGE_CLASS_FLOW_USE_PROTO | \
166 					NXGE_CLASS_FLOW_USE_L2DA | \
167 					NXGE_CLASS_FLOW_USE_VLAN
168 
169 /*
170  * used for use classes
171  */
172 
173 
174 /* Ethernet Classes */
175 #define	NXGE_CLASS_CFG_ETHER_TYPE_MASK		0x0000FFFF
176 #define	NXGE_CLASS_CFG_ETHER_ENABLE_MASK	0x40000000
177 
178 /* IP Classes */
179 #define	NXGE_CLASS_CFG_IP_TOS_MASK		0x000000FF
180 #define	NXGE_CLASS_CFG_IP_TOS_SHIFT		0
181 #define	NXGE_CLASS_CFG_IP_TOS_MASK_MASK		0x0000FF00
182 #define	NXGE_CLASS_CFG_IP_TOS_MASK_SHIFT	8
183 #define	NXGE_CLASS_CFG_IP_PROTO_MASK		0x00FFFF00
184 #define	NXGE_CLASS_CFG_IP_PROTO_SHIFT		16
185 
186 #define	NXGE_CLASS_CFG_IP_IPV6_MASK		0x01000000
187 #define	NXGE_CLASS_CFG_IP_PARAM_MASK	NXGE_CLASS_CFG_IP_TOS_MASK | \
188 					NXGE_CLASS_CFG_IP_TOS_MASK_MASK | \
189 					NXGE_CLASS_CFG_IP_PROTO_MASK | \
190 					NXGE_CLASS_CFG_IP_IPV6_MASK
191 
192 #define	NXGE_CLASS_CFG_IP_ENABLE_MASK		0x40000000
193 
194 typedef struct _vlan_rdcgrp_map {
195 	uint32_t		rsrvd:8;
196 	uint32_t		vid:16;
197 	uint32_t		rdc_grp:8;
198 }	vlan_rdcgrp_map_t, *p_vlan_rdcgrp_map_t;
199 
200 #define	NXGE_INIT_VLAN_RDCG_TBL	32
201 
202 typedef struct _nxge_classify {
203 	nxge_os_mutex_t 	tcam_lock;
204 	nxge_os_mutex_t		fcram_lock;
205 	nxge_os_mutex_t		hash_lock[MAX_PARTITION];
206 	uint32_t 		tcam_size;
207 	uint32_t 		state;
208 #define	NXGE_FFLP_HW_RESET	0x1
209 #define	NXGE_FFLP_HW_INIT	0x2
210 #define	NXGE_FFLP_SW_INIT	0x4
211 #define	NXGE_FFLP_FCRAM_PART	0x80000000
212 	p_nxge_fflp_stats_t	fflp_stats;
213 
214 	tcam_flow_spec_t    *tcam_entries;
215 	uint8_t		    tcam_location;
216 #define	NXGE_FLOW_NO_SUPPORT  0x0
217 #define	NXGE_FLOW_USE_TCAM    0x1
218 #define	NXGE_FLOW_USE_FCRAM   0x2
219 #define	NXGE_FLOW_USE_TCAM_FCRAM   0x3
220 
221 #define	NXGE_FLOW_COMPUTE_H1   0x10
222 #define	NXGE_FLOW_COMPUTE_H2   0x20
223 	uint8_t	fragment_bug;
224 	uint8_t	fragment_bug_location;
225 	fcram_cell_t		*hash_table; /* allocated for Neptune only */
226 	fcram_parition_t    partition[MAX_PARTITION];
227 } nxge_classify_t, *p_nxge_classify_t;
228 
229 #ifdef	__cplusplus
230 }
231 #endif
232 
233 #endif	/* _SYS_NXGE_NXGE_FFLP_H */
234