xref: /freebsd/sys/dev/hyperv/netvsc/ndis.h (revision 193d9e768ba63fcfb187cfd17f461f7d41345048)
1 /*-
2  * Copyright (c) 2016 Microsoft Corp.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice unmodified, this list of conditions, and the following
10  *    disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25  *
26  * $FreeBSD$
27  */
28 
29 #ifndef _NET_NDIS_H_
30 #define _NET_NDIS_H_
31 
32 #define	NDIS_MEDIA_STATE_CONNECTED	0
33 #define	NDIS_MEDIA_STATE_DISCONNECTED	1
34 
35 #define	NDIS_NETCHANGE_TYPE_POSSIBLE	1
36 #define	NDIS_NETCHANGE_TYPE_DEFINITE	2
37 #define	NDIS_NETCHANGE_TYPE_FROMMEDIA	3
38 
39 #define	NDIS_OFFLOAD_SET_NOCHG		0
40 #define	NDIS_OFFLOAD_SET_ON		1
41 #define	NDIS_OFFLOAD_SET_OFF		2
42 
43 /* a.k.a GRE MAC */
44 #define	NDIS_ENCAP_TYPE_NVGRE		0x00000001
45 
46 #define	NDIS_HASH_FUNCTION_MASK		0x000000FF	/* see hash function */
47 #define	NDIS_HASH_TYPE_MASK		0x00FFFF00	/* see hash type */
48 
49 /* hash function */
50 #define	NDIS_HASH_FUNCTION_TOEPLITZ	0x00000001
51 
52 /* hash type */
53 #define	NDIS_HASH_IPV4			0x00000100
54 #define	NDIS_HASH_TCP_IPV4		0x00000200
55 #define	NDIS_HASH_IPV6			0x00000400
56 #define	NDIS_HASH_IPV6_EX		0x00000800
57 #define	NDIS_HASH_TCP_IPV6		0x00001000
58 #define	NDIS_HASH_TCP_IPV6_EX		0x00002000
59 
60 /* Hash description for use with printf(9) %b identifier. */
61 #define	NDIS_HASH_BITS			\
62 	"\20\1TOEPLITZ\11IP4\12TCP4\13IP6\14IP6EX\15TCP6\16TCP6EX"
63 
64 #define	NDIS_HASH_KEYSIZE_TOEPLITZ	40
65 #define	NDIS_HASH_INDCNT		128
66 
67 #define	NDIS_OBJTYPE_DEFAULT		0x80
68 #define	NDIS_OBJTYPE_RSS_CAPS		0x88
69 #define	NDIS_OBJTYPE_RSS_PARAMS		0x89
70 #define	NDIS_OBJTYPE_OFFLOAD		0xa7
71 
72 struct ndis_object_hdr {
73 	uint8_t			ndis_type;	/* NDIS_OBJTYPE_ */
74 	uint8_t			ndis_rev;	/* type specific */
75 	uint16_t		ndis_size;	/* incl. this hdr */
76 };
77 
78 /*
79  * OID_TCP_OFFLOAD_PARAMETERS
80  * ndis_type: NDIS_OBJTYPE_DEFAULT
81  */
82 struct ndis_offload_params {
83 	struct ndis_object_hdr	ndis_hdr;
84 	uint8_t			ndis_ip4csum;	/* NDIS_OFFLOAD_PARAM_ */
85 	uint8_t			ndis_tcp4csum;	/* NDIS_OFFLOAD_PARAM_ */
86 	uint8_t			ndis_udp4csum;	/* NDIS_OFFLOAD_PARAM_ */
87 	uint8_t			ndis_tcp6csum;	/* NDIS_OFFLOAD_PARAM_ */
88 	uint8_t			ndis_udp6csum;	/* NDIS_OFFLOAD_PARAM_ */
89 	uint8_t			ndis_lsov1;	/* NDIS_OFFLOAD_PARAM_ */
90 	uint8_t			ndis_ipsecv1;	/* NDIS_OFFLOAD_IPSECV1_ */
91 	uint8_t			ndis_lsov2_ip4;	/* NDIS_OFFLOAD_LSOV2_ */
92 	uint8_t			ndis_lsov2_ip6;	/* NDIS_OFFLOAD_LSOV2_ */
93 	uint8_t			ndis_tcp4conn;	/* 0 */
94 	uint8_t			ndis_tcp6conn;	/* 0 */
95 	uint32_t		ndis_flags;	/* 0 */
96 	/* NDIS >= 6.1 */
97 	uint8_t			ndis_ipsecv2;	/* NDIS_OFFLOAD_IPSECV2_ */
98 	uint8_t			ndis_ipsecv2_ip4;/* NDIS_OFFLOAD_IPSECV2_ */
99 	/* NDIS >= 6.30 */
100 	uint8_t			ndis_rsc_ip4;	/* NDIS_OFFLOAD_RSC_ */
101 	uint8_t			ndis_rsc_ip6;	/* NDIS_OFFLOAD_RSC_ */
102 	uint8_t			ndis_encap;	/* NDIS_OFFLOAD_SET_ */
103 	uint8_t			ndis_encap_types;/* NDIS_ENCAP_TYPE_ */
104 };
105 
106 #define	NDIS_OFFLOAD_PARAMS_SIZE	sizeof(struct ndis_offload_params)
107 #define	NDIS_OFFLOAD_PARAMS_SIZE_6_1	\
108 	__offsetof(struct ndis_offload_params, ndis_rsc_ip4)
109 
110 #define	NDIS_OFFLOAD_PARAMS_REV_2	2	/* NDIS 6.1 */
111 #define	NDIS_OFFLOAD_PARAMS_REV_3	3	/* NDIS 6.30 */
112 
113 #define	NDIS_OFFLOAD_PARAM_NOCHG	0	/* common */
114 #define	NDIS_OFFLOAD_PARAM_OFF		1
115 #define	NDIS_OFFLOAD_PARAM_TX		2
116 #define	NDIS_OFFLOAD_PARAM_RX		3
117 #define	NDIS_OFFLOAD_PARAM_TXRX		4
118 
119 /* NDIS_OFFLOAD_PARAM_NOCHG */
120 #define	NDIS_OFFLOAD_LSOV1_OFF		1
121 #define	NDIS_OFFLOAD_LSOV1_ON		2
122 
123 /* NDIS_OFFLOAD_PARAM_NOCHG */
124 #define	NDIS_OFFLOAD_IPSECV1_OFF	1
125 #define	NDIS_OFFLOAD_IPSECV1_AH		2
126 #define	NDIS_OFFLOAD_IPSECV1_ESP	3
127 #define	NDIS_OFFLOAD_IPSECV1_AH_ESP	4
128 
129 /* NDIS_OFFLOAD_PARAM_NOCHG */
130 #define	NDIS_OFFLOAD_LSOV2_OFF		1
131 #define	NDIS_OFFLOAD_LSOV2_ON		2
132 
133 /* NDIS_OFFLOAD_PARAM_NOCHG */
134 #define	NDIS_OFFLOAD_IPSECV2_OFF	1
135 #define	NDIS_OFFLOAD_IPSECV2_AH		2
136 #define	NDIS_OFFLOAD_IPSECV2_ESP	3
137 #define	NDIS_OFFLOAD_IPSECV2_AH_ESP	4
138 
139 /* NDIS_OFFLOAD_PARAM_NOCHG */
140 #define	NDIS_OFFLOAD_RSC_OFF		1
141 #define	NDIS_OFFLOAD_RSC_ON		2
142 
143 /*
144  * OID_GEN_RECEIVE_SCALE_CAPABILITIES
145  * ndis_type: NDIS_OBJTYPE_RSS_CAPS
146  */
147 struct ndis_rss_caps {
148 	struct ndis_object_hdr		ndis_hdr;
149 	uint32_t			ndis_caps;	/* NDIS_RSS_CAP_ */
150 	uint32_t			ndis_nmsi;	/* # of MSIs */
151 	uint32_t			ndis_nrxr;	/* # of RX rings */
152 	/* NDIS >= 6.30 */
153 	uint16_t			ndis_nind;	/* # of indtbl ent. */
154 	uint16_t			ndis_pad;
155 };
156 
157 #define	NDIS_RSS_CAPS_SIZE		\
158 	__offsetof(struct ndis_rss_caps, ndis_pad)
159 #define	NDIS_RSS_CAPS_SIZE_6_0		\
160 	__offsetof(struct ndis_rss_caps, ndis_nind)
161 
162 #define	NDIS_RSS_CAPS_REV_1		1	/* NDIS 6.{0,1,20} */
163 #define	NDIS_RSS_CAPS_REV_2		2	/* NDIS 6.30 */
164 
165 #define	NDIS_RSS_CAP_MSI		0x01000000
166 #define	NDIS_RSS_CAP_CLASSIFY_ISR	0x02000000
167 #define	NDIS_RSS_CAP_CLASSIFY_DPC	0x04000000
168 #define	NDIS_RSS_CAP_MSIX		0x08000000
169 #define	NDIS_RSS_CAP_IPV4		0x00000100
170 #define	NDIS_RSS_CAP_IPV6		0x00000200
171 #define	NDIS_RSS_CAP_IPV6_EX		0x00000400
172 #define	NDIS_RSS_CAP_HASH_TOEPLITZ	NDIS_HASH_FUNCTION_TOEPLITZ
173 #define	NDIS_RSS_CAP_HASHFUNC_MASK	NDIS_HASH_FUNCTION_MASK
174 
175 /*
176  * OID_GEN_RECEIVE_SCALE_PARAMETERS
177  * ndis_type: NDIS_OBJTYPE_RSS_PARAMS
178  */
179 struct ndis_rss_params {
180 	struct ndis_object_hdr		ndis_hdr;
181 	uint16_t			ndis_flags;	/* NDIS_RSS_FLAG_ */
182 	uint16_t			ndis_bcpu;	/* base cpu 0 */
183 	uint32_t			ndis_hash;	/* NDIS_HASH_ */
184 	uint16_t			ndis_indsize;	/* indirect table */
185 	uint32_t			ndis_indoffset;
186 	uint16_t			ndis_keysize;	/* hash key */
187 	uint32_t			ndis_keyoffset;
188 	/* NDIS >= 6.20 */
189 	uint32_t			ndis_cpumaskoffset;
190 	uint32_t			ndis_cpumaskcnt;
191 	uint32_t			ndis_cpumaskentsz;
192 };
193 
194 #define	NDIS_RSS_PARAMS_SIZE		sizeof(struct ndis_rss_params)
195 #define	NDIS_RSS_PARAMS_SIZE_6_0	\
196 	__offsetof(struct ndis_rss_params, ndis_cpumaskoffset)
197 
198 #define	NDIS_RSS_PARAMS_REV_1		1	/* NDIS 6.0 */
199 #define	NDIS_RSS_PARAMS_REV_2		2	/* NDIS 6.20 */
200 
201 #define	NDIS_RSS_FLAG_NONE		0x0000
202 #define	NDIS_RSS_FLAG_BCPU_UNCHG	0x0001
203 #define	NDIS_RSS_FLAG_HASH_UNCHG	0x0002
204 #define	NDIS_RSS_FLAG_IND_UNCHG		0x0004
205 #define	NDIS_RSS_FLAG_KEY_UNCHG		0x0008
206 #define	NDIS_RSS_FLAG_DISABLE		0x0010
207 
208 /* non-standard convenient struct */
209 struct ndis_rssprm_toeplitz {
210 	struct ndis_rss_params		rss_params;
211 	/* Toeplitz hash key */
212 	uint8_t				rss_key[NDIS_HASH_KEYSIZE_TOEPLITZ];
213 	/* Indirect table */
214 	uint32_t			rss_ind[NDIS_HASH_INDCNT];
215 };
216 
217 #define	NDIS_RSSPRM_TOEPLITZ_SIZE(nind)	\
218 	__offsetof(struct ndis_rssprm_toeplitz, rss_ind[nind])
219 
220 /*
221  * OID_TCP_OFFLOAD_HARDWARE_CAPABILITIES
222  * ndis_type: NDIS_OBJTYPE_OFFLOAD
223  */
224 
225 #define	NDIS_OFFLOAD_ENCAP_NONE		0x0000
226 #define	NDIS_OFFLOAD_ENCAP_NULL		0x0001
227 #define	NDIS_OFFLOAD_ENCAP_8023		0x0002
228 #define	NDIS_OFFLOAD_ENCAP_8023PQ	0x0004
229 #define	NDIS_OFFLOAD_ENCAP_8023PQ_OOB	0x0008
230 #define	NDIS_OFFLOAD_ENCAP_RFC1483	0x0010
231 
232 struct ndis_csum_offload {
233 	uint32_t			ndis_ip4_txenc;	/*NDIS_OFFLOAD_ENCAP_*/
234 	uint32_t			ndis_ip4_txcsum;
235 #define	NDIS_TXCSUM_CAP_IP4OPT		0x001
236 #define	NDIS_TXCSUM_CAP_TCP4OPT		0x004
237 #define	NDIS_TXCSUM_CAP_TCP4		0x010
238 #define	NDIS_TXCSUM_CAP_UDP4		0x040
239 #define	NDIS_TXCSUM_CAP_IP4		0x100
240 	uint32_t			ndis_ip4_rxenc;	/*NDIS_OFFLOAD_ENCAP_*/
241 	uint32_t			ndis_ip4_rxcsum;
242 #define	NDIS_RXCSUM_CAP_IP4OPT		0x001
243 #define	NDIS_RXCSUM_CAP_TCP4OPT		0x004
244 #define	NDIS_RXCSUM_CAP_TCP4		0x010
245 #define	NDIS_RXCSUM_CAP_UDP4		0x040
246 #define	NDIS_RXCSUM_CAP_IP4		0x100
247 	uint32_t			ndis_ip6_txenc;	/*NDIS_OFFLOAD_ENCAP_*/
248 	uint32_t			ndis_ip6_txcsum;
249 #define	NDIS_TXCSUM_CAP_IP6EXT		0x001
250 #define	NDIS_TXCSUM_CAP_TCP6OPT		0x004
251 #define	NDIS_TXCSUM_CAP_TCP6		0x010
252 #define	NDIS_TXCSUM_CAP_UDP6		0x040
253 	uint32_t			ndis_ip6_rxenc;	/*NDIS_OFFLOAD_ENCAP_*/
254 	uint32_t			ndis_ip6_rxcsum;
255 #define	NDIS_RXCSUM_CAP_IP6EXT		0x001
256 #define	NDIS_RXCSUM_CAP_TCP6OPT		0x004
257 #define	NDIS_RXCSUM_CAP_TCP6		0x010
258 #define	NDIS_RXCSUM_CAP_UDP6		0x040
259 };
260 
261 struct ndis_lsov1_offload {
262 	uint32_t			ndis_encap;	/*NDIS_OFFLOAD_ENCAP_*/
263 	uint32_t			ndis_maxsize;
264 	uint32_t			ndis_minsegs;
265 	uint32_t			ndis_opts;
266 };
267 
268 struct ndis_ipsecv1_offload {
269 	uint32_t			ndis_encap;	/*NDIS_OFFLOAD_ENCAP_*/
270 	uint32_t			ndis_ah_esp;
271 	uint32_t			ndis_xport_tun;
272 	uint32_t			ndis_ip4_opts;
273 	uint32_t			ndis_flags;
274 	uint32_t			ndis_ip4_ah;
275 	uint32_t			ndis_ip4_esp;
276 };
277 
278 struct ndis_lsov2_offload {
279 	uint32_t			ndis_ip4_encap;	/*NDIS_OFFLOAD_ENCAP_*/
280 	uint32_t			ndis_ip4_maxsz;
281 	uint32_t			ndis_ip4_minsg;
282 	uint32_t			ndis_ip6_encap;	/*NDIS_OFFLOAD_ENCAP_*/
283 	uint32_t			ndis_ip6_maxsz;
284 	uint32_t			ndis_ip6_minsg;
285 	uint32_t			ndis_ip6_opts;
286 #define	NDIS_LSOV2_CAP_IP6EXT		0x001
287 #define	NDIS_LSOV2_CAP_TCP6OPT		0x004
288 };
289 
290 struct ndis_ipsecv2_offload {
291 	uint32_t			ndis_encap;	/*NDIS_OFFLOAD_ENCAP_*/
292 	uint16_t			ndis_ip6;
293 	uint16_t			ndis_ip4opt;
294 	uint16_t			ndis_ip6ext;
295 	uint16_t			ndis_ah;
296 	uint16_t			ndis_esp;
297 	uint16_t			ndis_ah_esp;
298 	uint16_t			ndis_xport;
299 	uint16_t			ndis_tun;
300 	uint16_t			ndis_xport_tun;
301 	uint16_t			ndis_lso;
302 	uint16_t			ndis_extseq;
303 	uint32_t			ndis_udp_esp;
304 	uint32_t			ndis_auth;
305 	uint32_t			ndis_crypto;
306 	uint32_t			ndis_sa_caps;
307 };
308 
309 struct ndis_rsc_offload {
310 	uint16_t			ndis_ip4;
311 	uint16_t			ndis_ip6;
312 };
313 
314 struct ndis_encap_offload {
315 	uint32_t			ndis_flags;
316 	uint32_t			ndis_maxhdr;
317 };
318 
319 struct ndis_offload {
320 	struct ndis_object_hdr		ndis_hdr;
321 	struct ndis_csum_offload	ndis_csum;
322 	struct ndis_lsov1_offload	ndis_lsov1;
323 	struct ndis_ipsecv1_offload	ndis_ipsecv1;
324 	struct ndis_lsov2_offload	ndis_lsov2;
325 	uint32_t			ndis_flags;
326 	/* NDIS >= 6.1 */
327 	struct ndis_ipsecv2_offload	ndis_ipsecv2;
328 	/* NDIS >= 6.30 */
329 	struct ndis_rsc_offload		ndis_rsc;
330 	struct ndis_encap_offload	ndis_encap_gre;
331 };
332 
333 #define	NDIS_OFFLOAD_SIZE		sizeof(struct ndis_offload)
334 #define	NDIS_OFFLOAD_SIZE_6_0		\
335 	__offsetof(struct ndis_offload, ndis_ipsecv2)
336 #define	NDIS_OFFLOAD_SIZE_6_1		\
337 	__offsetof(struct ndis_offload, ndis_rsc)
338 
339 #define	NDIS_OFFLOAD_REV_1		1	/* NDIS 6.0 */
340 #define	NDIS_OFFLOAD_REV_2		2	/* NDIS 6.1 */
341 #define	NDIS_OFFLOAD_REV_3		3	/* NDIS 6.30 */
342 
343 /*
344  * Per-packet-info
345  */
346 
347 /* VLAN */
348 #define	NDIS_VLAN_INFO_SIZE		sizeof(uint32_t)
349 #define	NDIS_VLAN_INFO_PRI_MASK		0x0007
350 #define	NDIS_VLAN_INFO_CFI_MASK		0x0008
351 #define	NDIS_VLAN_INFO_ID_MASK		0xfff0
352 #define	NDIS_VLAN_INFO_MAKE(id, pri, cfi)	\
353         (((pri) & NDIS_VLAN_INFO_PRI_MASK) |	\
354 	 (((cfi) & 0x1) << 3) | (((id) & 0xfff) << 4))
355 #define	NDIS_VLAN_INFO_ID(inf)		(((inf) & NDIS_VLAN_INFO_ID_MASK) >> 4)
356 #define	NDIS_VLAN_INFO_CFI(inf)		(((inf) & NDIS_VLAN_INFO_CFI_MASK) >> 3)
357 #define	NDIS_VLAN_INFO_PRI(inf)		((inf) & NDIS_VLAN_INFO_PRI_MASK)
358 
359 /* Reception checksum */
360 #define	NDIS_RXCSUM_INFO_SIZE		sizeof(uint32_t)
361 #define	NDIS_RXCSUM_INFO_TCPCS_FAILED	0x0001
362 #define	NDIS_RXCSUM_INFO_UDPCS_FAILED	0x0002
363 #define	NDIS_RXCSUM_INFO_IPCS_FAILED	0x0004
364 #define	NDIS_RXCSUM_INFO_TCPCS_OK	0x0008
365 #define	NDIS_RXCSUM_INFO_UDPCS_OK	0x0010
366 #define	NDIS_RXCSUM_INFO_IPCS_OK	0x0020
367 #define	NDIS_RXCSUM_INFO_LOOPBACK	0x0040
368 #define	NDIS_RXCSUM_INFO_TCPCS_INVAL	0x0080
369 #define	NDIS_RXCSUM_INFO_IPCS_INVAL	0x0100
370 
371 /* LSOv2 */
372 #define	NDIS_LSO2_INFO_SIZE		sizeof(uint32_t)
373 #define	NDIS_LSO2_INFO_MSS_MASK		0x000fffff
374 #define	NDIS_LSO2_INFO_THOFF_MASK	0x3ff00000
375 #define	NDIS_LSO2_INFO_ISLSO2		0x40000000
376 #define	NDIS_LSO2_INFO_ISIPV6		0x80000000
377 
378 #define	NDIS_LSO2_INFO_MAKE(thoff, mss)				\
379 	((((uint32_t)(mss)) & NDIS_LSO2_INFO_MSS_MASK) |	\
380 	 ((((uint32_t)(thoff)) & 0x3ff) << 20) |		\
381 	 NDIS_LSO2_INFO_ISLSO2)
382 
383 #define	NDIS_LSO2_INFO_MAKEIPV4(thoff, mss)			\
384 	NDIS_LSO2_INFO_MAKE((thoff), (mss))
385 
386 #define	NDIS_LSO2_INFO_MAKEIPV6(thoff, mss)			\
387 	(NDIS_LSO2_INFO_MAKE((thoff), (mss)) | NDIS_LSO2_INFO_ISIPV6)
388 
389 /* Transmission checksum */
390 #define	NDIS_TXCSUM_INFO_SIZE		sizeof(uint32_t)
391 #define	NDIS_TXCSUM_INFO_IPV4		0x00000001
392 #define	NDIS_TXCSUM_INFO_IPV6		0x00000002
393 #define	NDIS_TXCSUM_INFO_TCPCS		0x00000004
394 #define	NDIS_TXCSUM_INFO_UDPCS		0x00000008
395 #define	NDIS_TXCSUM_INFO_IPCS		0x00000010
396 #define	NDIS_TXCSUM_INFO_THOFF		0x03ff0000
397 
398 #endif	/* !_NET_NDIS_H_ */
399