xref: /illumos-gate/usr/src/uts/common/io/hxge/hxge_pfc.h (revision 1a2d662a91cee3bf82f41cd47c7ae6f3825d9db2)
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 /*
23  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #ifndef _HXGE_PFC_H
28 #define	_HXGE_PFC_H
29 
30 #ifdef __cplusplus
31 extern "C" {
32 #endif
33 
34 /* 0 and 4095 are reserved */
35 #define	VLAN_ID_MIN			1
36 #define	VLAN_ID_MAX			4094
37 #define	VLAN_ID_IMPLICIT		0
38 
39 #define	HXGE_MAC_DEFAULT_ADDR_SLOT	0
40 
41 #define	HASH_BITS			8
42 #define	NMCFILTER_BITS			(1 << HASH_BITS)
43 #define	HASH_REG_WIDTH			16
44 #define	NMCFILTER_REGS			(NMCFILTER_BITS / HASH_REG_WIDTH)
45 					/* Number of multicast filter regs */
46 #define	MAC_MAX_HASH_ENTRY		NMCFILTER_REGS
47 
48 #define	REG_PIO_WRITE64(handle, offset, value) \
49 		HXGE_REG_WR64((handle), (offset), (value))
50 #define	REG_PIO_READ64(handle, offset, val_p) \
51 		HXGE_REG_RD64((handle), (offset), (val_p))
52 
53 #define	TCAM_CTL_RWC_TCAM_WR		0x0
54 #define	TCAM_CTL_RWC_TCAM_CMP		0x2
55 #define	TCAM_CTL_RWC_RAM_WR		0x4
56 #define	TCAM_CTL_RWC_RAM_RD		0x5
57 #define	TCAM_CTL_RWC_RWC_STAT		0x1
58 #define	TCAM_CTL_RWC_RWC_MATCH		0x1
59 
60 #define	WRITE_TCAM_REG_CTL(handle, ctl) \
61 		REG_PIO_WRITE64(handle, PFC_TCAM_CTRL, ctl)
62 
63 #define	READ_TCAM_REG_CTL(handle, val_p) \
64 		REG_PIO_READ64(handle, PFC_TCAM_CTRL, val_p)
65 
66 #define	WRITE_TCAM_REG_KEY0(handle, key)	\
67 		REG_PIO_WRITE64(handle,  PFC_TCAM_KEY0, key)
68 #define	WRITE_TCAM_REG_KEY1(handle, key) \
69 		REG_PIO_WRITE64(handle,  PFC_TCAM_KEY1, key)
70 #define	WRITE_TCAM_REG_MASK0(handle, mask)   \
71 		REG_PIO_WRITE64(handle,  PFC_TCAM_MASK0, mask)
72 #define	WRITE_TCAM_REG_MASK1(handle, mask)   \
73 		REG_PIO_WRITE64(handle,  PFC_TCAM_MASK1, mask)
74 
75 #define	READ_TCAM_REG_KEY0(handle, val_p)	\
76 		REG_PIO_READ64(handle,  PFC_TCAM_KEY0, val_p)
77 #define	READ_TCAM_REG_KEY1(handle, val_p)	\
78 		REG_PIO_READ64(handle,  PFC_TCAM_KEY1, val_p)
79 #define	READ_TCAM_REG_MASK0(handle, val_p)	\
80 		REG_PIO_READ64(handle,  PFC_TCAM_MASK0, val_p)
81 #define	READ_TCAM_REG_MASK1(handle, val_p)	\
82 		REG_PIO_READ64(handle,  PFC_TCAM_MASK1, val_p)
83 
84 typedef union _hxge_tcam_res_t {
85 	uint64_t value;
86 	struct {
87 #if defined(_BIG_ENDIAN)
88 		uint32_t padding:32;
89 		uint32_t padding_l:2;
90 		uint32_t reserved:15;
91 		uint32_t parity:1;
92 		uint32_t hit_count:4;
93 		uint32_t channel_d:2;
94 		uint32_t channel_c:2;
95 		uint32_t channel_b:2;
96 		uint32_t channel_a:2;
97 		uint32_t source_hash:1;
98 		uint32_t discard:1;
99 #else
100 		uint32_t discard:1;
101 		uint32_t source_hash:1;
102 		uint32_t channel_a:2;
103 		uint32_t channel_b:2;
104 		uint32_t channel_c:2;
105 		uint32_t channel_d:2;
106 		uint32_t hit_count:4;
107 		uint32_t parity:1;
108 		uint32_t reserved:15;
109 		uint32_t padding_l:2;
110 		uint32_t padding:32;
111 #endif
112 	} bits;
113 } hxge_tcam_res_t, *p_hxge_tcam_res_t;
114 
115 typedef struct tcam_reg {
116 #if defined(_BIG_ENDIAN)
117 	uint64_t	reg1;		/* 99:64 */
118 	uint64_t	reg0;		/* 63:0 */
119 #else
120 	uint64_t	reg0;		/* 63:0 */
121 	uint64_t	reg1;		/* 99:64 */
122 #endif
123 } hxge_tcam_reg_t;
124 
125 typedef struct hxge_tcam_ipv4_S {
126 #if defined(_BIG_ENDIAN)
127 	uint32_t	class_code:4;   /* 99:96 */
128 	uint32_t	class_code_l:1;   /* 95:95 */
129 	uint32_t	blade_id:4;	/* 94:91 */
130 	uint32_t	rsrvd2:2;	/* 90:89 */
131 	uint32_t	noport:1;	/* 88 */
132 	uint32_t	protocol:8;	/* 87:80 */
133 	uint32_t	l4_hdr:16;	/* 79:64 */
134 	uint32_t	l4_hdr_l:16;	/* 63:48 */
135 	uint32_t	rsrvd:16;	/* 47:32 */
136 	uint32_t	ip_daddr;	/* 31:0 */
137 #else
138 	uint32_t	ip_daddr;	/* 31:0 */
139 	uint32_t	rsrvd:16;	/* 47:32 */
140 	uint32_t	l4_hdr_l:16;	/* 63:48 */
141 	uint32_t	l4_hdr:16;	/* 79:64 */
142 	uint32_t	protocol:8;	/* 87:80 */
143 	uint32_t	noport:1;	/* 88 */
144 	uint32_t	rsrvd2:2;	/* 90:89 */
145 	uint32_t	blade_id:4;	/* 94:91 */
146 	uint32_t	class_code_l:1;   /* 95:95 */
147 	uint32_t	class_code:4;   /* 99:96 */
148 #endif
149 } hxge_tcam_ipv4_t;
150 
151 typedef struct hxge_tcam_ipv6_S {
152 #if defined(_BIG_ENDIAN)
153 	uint32_t	class_code:4;   /* 99:96 */
154 	uint32_t	class_code_l:1;   /* 95:95 */
155 	uint32_t	blade_id:4;	/* 94:91 */
156 	uint32_t	rsrvd2:3;	/* 90:88 */
157 	uint32_t	protocol:8;	/* 87:80 */
158 	uint32_t	l4_hdr:16;	/* 79:64 */
159 	uint32_t	l4_hdr_l:16;	/* 63:48 */
160 	uint32_t	rsrvd:16;	/* 47:32 */
161 	uint32_t	rsrvd_l:32;	/* 31:0 */
162 #else
163 	uint32_t	rsrvd_l:32;	/* 31:0 */
164 	uint32_t	rsrvd:16;	/* 47:32 */
165 	uint32_t	l4_hdr_l:16;	/* 63:48 */
166 	uint32_t	l4_hdr:16;	/* 79:64 */
167 	uint32_t	protocol:8;	/* 87:80 */
168 	uint32_t	rsrvd2:3;	/* 90:88 */
169 	uint32_t	blade_id:4;	/* 94:91 */
170 	uint32_t	class_code_l:1;   /* 95:95 */
171 	uint32_t	class_code:4;   /* 99:96 */
172 #endif
173 } hxge_tcam_ipv6_t;
174 
175 typedef struct hxge_tcam_enet_S {
176 #if defined(_BIG_ENDIAN)
177 	uint8_t		class_code:4;   /* 99:96 */
178 	uint8_t		class_code_l:1; /* 95:95 */
179 	uint8_t		blade_id:4;	/* 94:91 */
180 	uint8_t		rsrvd:3;	/* 90:88 */
181 	uint8_t		eframe[11];	/* 87:0 */
182 #else
183 	uint8_t		eframe[11];	/* 87:0 */
184 	uint8_t		rsrvd:3;	/* 90:88 */
185 	uint8_t		blade_id:4;	/* 94:91 */
186 	uint8_t		class_code_l:1; /* 95:95 */
187 	uint8_t		class_code:4;   /* 99:96 */
188 #endif
189 } hxge_tcam_ether_t;
190 
191 typedef struct hxge_tcam_spread_S {
192 #if defined(_BIG_ENDIAN)
193 	uint32_t	unused:28;	/* 127:100 */
194 	uint32_t	class_code:4;   /* 99:96 */
195 	uint32_t	class_code_l:1; /* 95:95 */
196 	uint32_t	blade_id:4;	/* 94:91 */
197 	uint32_t	wild1:27;	/* 90:64 */
198 	uint32_t	wild;		/* 63:32 */
199 	uint32_t	wild_l;		/* 31:0 */
200 #else
201 	uint32_t	wild_l;		/* 31:0 */
202 	uint32_t	wild;		/* 63:32 */
203 	uint32_t	wild1:27;	/* 90:64 */
204 	uint32_t	blade_id:4;	/* 94:91 */
205 	uint32_t	class_code_l:1; /* 95:95 */
206 	uint32_t	class_code:4;   /* 99:96 */
207 	uint32_t	unused:28;	/* 127:100 */
208 #endif
209 } hxge_tcam_spread_t;
210 
211 typedef struct hxge_tcam_entry_S {
212 	union _hxge_tcam_entry {
213 		hxge_tcam_ipv4_t	ipv4;
214 		hxge_tcam_ipv6_t	ipv6;
215 		hxge_tcam_ether_t	enet;
216 		hxge_tcam_reg_t		regs;
217 		hxge_tcam_spread_t	spread;
218 	} key, mask;
219 	hxge_tcam_res_t			match_action;
220 	uint16_t			ether_type;
221 } hxge_tcam_entry_t;
222 
223 #define	key_reg0		key.regs.reg0
224 #define	key_reg1		key.regs.reg1
225 #define	mask_reg0		mask.regs.reg0
226 #define	mask_reg1		mask.regs.reg1
227 
228 #define	key0			key.regs.reg0
229 #define	key1			key.regs.reg1
230 #define	mask0			mask.regs.reg0
231 #define	mask1			mask.regs.reg1
232 
233 #define	ip4_class_key		key.ipv4.class_code
234 #define	ip4_class_key_l		key.ipv4.class_code_l
235 #define	ip4_blade_id_key	key.ipv4.blade_id
236 #define	ip4_noport_key		key.ipv4.noport
237 #define	ip4_proto_key		key.ipv4.protocol
238 #define	ip4_l4_hdr_key		key.ipv4.l4_hdr
239 #define	ip4_l4_hdr_key_l	key.ipv4.l4_hdr_l
240 #define	ip4_dest_key		key.ipv4.ip_daddr
241 
242 #define	ip4_class_mask		mask.ipv4.class_code
243 #define	ip4_class_mask_l	mask.ipv4.class_code_l
244 #define	ip4_blade_id_mask	mask.ipv4.blade_id
245 #define	ip4_noport_mask		mask.ipv4.noport
246 #define	ip4_proto_mask		mask.ipv4.protocol
247 #define	ip4_l4_hdr_mask		mask.ipv4.l4_hdr
248 #define	ip4_l4_hdr_mask_l	mask.ipv4.l4_hdr_l
249 #define	ip4_dest_mask		mask.ipv4.ip_daddr
250 
251 #define	ip6_class_key		key.ipv6.class_code
252 #define	ip6_class_key_l		key.ipv6.class_code_l
253 #define	ip6_blade_id_key	key.ipv6.blade_id
254 #define	ip6_proto_key		key.ipv6.protocol
255 #define	ip6_l4_hdr_key		key.ipv6.l4_hdr
256 #define	ip6_l4_hdr_key_l	key.ipv6.l4_hdr_l
257 
258 #define	ip6_class_mask		mask.ipv6.class_code
259 #define	ip6_class_mask_l	mask.ipv6.class_code_l
260 #define	ip6_blade_id_mask	mask.ipv6.blade_id
261 #define	ip6_proto_mask		mask.ipv6.protocol
262 #define	ip6_l4_hdr_mask		mask.ipv6.l4_hdr
263 #define	ip6_l4_hdr_mask_l	mask.ipv6.l4_hdr_l
264 
265 #define	ether_class_key		key.enet.class_code
266 #define	ether_class_key_l	key.enet.class_code_l
267 #define	ether_blade_id_key	key.enet.blade_id
268 #define	ether_ethframe_key	key.enet.eframe
269 
270 #define	ether_class_mask	mask.enet.class_code
271 #define	ether_class_mask_l	mask.enet.class_code_l
272 #define	ether_blade_id_mask	mask.enet.blade_id
273 #define	ether_ethframe_mask	mask.enet.eframe
274 
275 typedef	struct _pfc_errlog {
276 	uint32_t		tcp_ctrl_drop;    /* pfc_drop_log */
277 	uint32_t		l2_addr_drop;
278 	uint32_t		class_code_drop;
279 	uint32_t		tcam_drop;
280 	uint32_t		vlan_drop;
281 
282 	uint32_t		vlan_par_err_log; /* pfc_vlan_par_err_log */
283 	uint32_t		tcam_par_err_log; /* pfc_tcam_par_err_log */
284 } pfc_errlog_t, *p_pfc_errlog_t;
285 
286 typedef struct _pfc_stats {
287 	uint32_t		pkt_drop;	/* pfc_int_status */
288 	uint32_t		tcam_parity_err;
289 	uint32_t		vlan_parity_err;
290 
291 	uint32_t		bad_cs_count;	/* pfc_bad_cs_counter */
292 	uint32_t		drop_count;	/* pfc_drop_counter */
293 	pfc_errlog_t		errlog;
294 } hxge_pfc_stats_t, *p_hxge_pfc_stats_t;
295 
296 typedef enum pfc_tcam_class {
297 	TCAM_CLASS_INVALID = 0,
298 	TCAM_CLASS_DUMMY = 1,
299 	TCAM_CLASS_ETYPE_1 = 2,
300 	TCAM_CLASS_ETYPE_2,
301 	TCAM_CLASS_RESERVED_4,
302 	TCAM_CLASS_RESERVED_5,
303 	TCAM_CLASS_RESERVED_6,
304 	TCAM_CLASS_RESERVED_7,
305 	TCAM_CLASS_TCP_IPV4,
306 	TCAM_CLASS_UDP_IPV4,
307 	TCAM_CLASS_AH_ESP_IPV4,
308 	TCAM_CLASS_SCTP_IPV4,
309 	TCAM_CLASS_TCP_IPV6,
310 	TCAM_CLASS_UDP_IPV6,
311 	TCAM_CLASS_AH_ESP_IPV6,
312 	TCAM_CLASS_SCTP_IPV6,
313 	TCAM_CLASS_ARP,
314 	TCAM_CLASS_RARP,
315 	TCAM_CLASS_DUMMY_12,
316 	TCAM_CLASS_DUMMY_13,
317 	TCAM_CLASS_DUMMY_14,
318 	TCAM_CLASS_DUMMY_15,
319 	TCAM_CLASS_MAX
320 } tcam_class_t;
321 
322 typedef struct _tcam_key_cfg_t {
323 	boolean_t	lookup_enable;
324 	boolean_t	discard;
325 } tcam_key_cfg_t;
326 
327 typedef struct _hash_filter_t {
328 	uint_t		hash_ref_cnt;
329 	uint16_t	hash_filter_regs[NMCFILTER_REGS];
330 	uint32_t	hash_bit_ref_cnt[NMCFILTER_BITS];
331 } hash_filter_t, *p_hash_filter_t;
332 
333 #define	HXGE_ETHER_FLOWS	(FLOW_ETHER_DHOST | FLOW_ETHER_SHOST | \
334 					FLOW_ETHER_TYPE)
335 #define	HXGE_VLAN_FLOWS		(FLOW_ETHER_TPID | FLOW_ETHER_TCI)
336 #define	HXGE_ETHERNET_FLOWS	(HXGE_ETHER_FLOWS | HXGE_VLAN_FLOWS)
337 #define	HXGE_PORT_FLOWS		(FLOW_ULP_PORT_REMOTE | FLOW_ULP_PORT_LOCAL)
338 #define	HXGE_ADDR_FLOWS		(FLOW_IP_REMOTE | FLOW_IP_LOCAL)
339 #define	HXGE_IP_FLOWS		(FLOW_IP_VERSION | FLOW_IP_PROTOCOL | \
340 					HXGE_PORT_FLOWS | HXGE_ADDR_FLOWS)
341 #define	HXGE_SUPPORTED_FLOWS	(HXGE_ETHERNET_FLOWS | HXGE_IP_FLOWS)
342 
343 #define	CLS_CODE_MASK		0x1f
344 #define	BLADE_ID_MASK		0xf
345 #define	PID_MASK		0xff
346 #define	IP_PORT_MASK		0xffff
347 
348 #define	IP_ADDR_SA_MASK		0xFFFFFFFF
349 #define	IP_ADDR_DA_MASK		IP_ADDR_SA_MASK
350 #define	L4PT_SPI_MASK		IP_ADDR_SA_MASK
351 
352 #define	BLADE_ID_OFFSET		127	/* Last entry in HCR_REG */
353 
354 #ifdef __cplusplus
355 }
356 #endif
357 
358 #endif /* !_HXGE_PFC_H */
359