xref: /wlan-dirver/qca-wifi-host-cmn/qdf/inc/qdf_net_types.h (revision 2f4b444fb7e689b83a4ab0e7b3b38f0bf4def8e0)
1 /*
2  * Copyright (c) 2014-2020 The Linux Foundation. All rights reserved.
3  *
4  * Permission to use, copy, modify, and/or distribute this software for
5  * any purpose with or without fee is hereby granted, provided that the
6  * above copyright notice and this permission notice appear in all
7  * copies.
8  *
9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
10  * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
11  * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
12  * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
13  * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
14  * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
15  * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
16  * PERFORMANCE OF THIS SOFTWARE.
17  */
18 
19 /**
20  * DOC: qdf_net_types
21  * This file defines types used in the networking stack abstraction.
22  */
23 
24 #ifndef _QDF_NET_TYPES_H
25 #define _QDF_NET_TYPES_H
26 
27 #include <qdf_types.h>          /* uint8_t, etc. */
28 #include <i_qdf_net_types.h>
29 
30 /* Extended Traffic ID  passed to target if the TID is unknown */
31 #define QDF_NBUF_TX_EXT_TID_INVALID     0x1f
32 
33 /**
34  * qdf_nbuf_exemption_type - QDF net buf exemption types for encryption
35  * @QDF_NBUF_EXEMPT_NO_EXEMPTION: No exemption
36  * @QDF_NBUF_EXEMPT_ALWAYS: Exempt always
37  * @QDF_NBUF_EXEMPT_ON_KEY_MAPPING_KEY_UNAVAILABLE: Exempt on key mapping
38  */
39 enum qdf_nbuf_exemption_type {
40 	QDF_NBUF_EXEMPT_NO_EXEMPTION = 0,
41 	QDF_NBUF_EXEMPT_ALWAYS,
42 	QDF_NBUF_EXEMPT_ON_KEY_MAPPING_KEY_UNAVAILABLE
43 };
44 
45 typedef __wsum_t wsum_t;
46 typedef __in6_addr_t in6_addr_t;
47 
48 
49 #define QDF_NET_MAC_ADDR_MAX_LEN 6
50 #define QDF_NET_IF_NAME_SIZE     64
51 #define QDF_NET_ETH_LEN          QDF_NET_MAC_ADDR_MAX_LEN
52 #define QDF_NET_MAX_MCAST_ADDR   64
53 #define QDF_NET_IPV4_LEN         4
54 #define QDF_TID_VI 5
55 #define QDF_TID_VO 6
56 #define QDF_TID_BE 0
57 #define QDF_TID_BK 1
58 /* Extended Traffic ID  passed to target if the TID is unknown */
59 #define QDF_NBUF_TX_EXT_TID_INVALID    0x1f
60 
61 #define QDF_ETH_TYPE_IPV4              0x0800  /* IPV4 */
62 #define QDF_ETH_TYPE_IPV6              0x86dd  /* IPV6 */
63 #define QDF_ETH_TYPE_8021Q             0x8100  /* 802.1Q vlan protocol */
64 #define QDF_ETH_TYPE_8021AD            0x88a8  /* 802.1AD vlan protocol */
65 #define QDF_IEEE80211_4ADDR_HDR_LEN     30
66 #define QDF_IEEE80211_3ADDR_HDR_LEN     24
67 #define QDF_IEEE80211_FC0_SUBTYPE_QOS   0x80
68 #define QDF_IEEE80211_FC1_TODS          0x01
69 #define QDF_IEEE80211_FC1_FROMDS        0x02
70 #define QDF_IEEE80211_FC1_PM            0x10
71 
72 #define QDF_IEEE80211_FC0_TYPE_MASK     0x0c
73 #define QDF_IEEE80211_FC0_SUBTYPE_MASK  0xf0
74 
75 #define QDF_IEEE80211_FC0_TYPE_DATA     0x08
76 #define QDF_IEEE80211_FC0_SUBTYPE_DATA  0x00
77 #define QDF_IEEE80211_FC0_SUBTYPE_QOS   0x80
78 
79 #define QDF_IEEE80211_FC0_SUBTYPE_QOS_NULL   0xC0
80 #define QDF_IEEE80211_FC0_SUBTYPE_NODATA   0x40
81 
82 #define QDF_IEEE80211_FC0_TYPE_CTL      0x04
83 #define QDF_IEEE80211_FC0_SUBTYPE_BEAM_REPORT_POLL 0x40
84 #define QDF_IEEE80211_FC0_SUBTYPE_VHT_NDP_AN 0x50
85 #define QDF_IEEE80211_FC0_SUBTYPE_CTL_FRAME_EXTN 0x60
86 #define QDF_IEEE80211_FC0_SUBTYPE_CTL_WRAPPER   0x70
87 #define QDF_IEEE80211_FC0_SUBTYPE_BAR   0x80
88 #define QDF_IEEE80211_FC0_SUBTYPE_BA    0x90
89 #define QDF_IEEE80211_FC0_SUBTYPE_PSPOLL  0xA0
90 #define QDF_IEEE80211_FC0_SUBTYPE_RTS   0xB0
91 #define QDF_IEEE80211_FC0_SUBTYPE_ACK   0xD0
92 #define QDF_IEEE80211_FC0_SUBTYPE_CF_END 0xE0
93 #define QDF_IEEE80211_FC0_SUBTYPE_CF_END_CF_ACK 0xF0
94 
95 #define QDF_NET_IS_MAC_MULTICAST(_a)   (*(_a) & 0x01)
96 
97 /**
98  * In LLC header individual LSAP address 0x42 in
99  * DSAP and SSAP signifies IEEE 802.1 Bridge
100  * Spanning Tree Protocol
101  */
102 #define QDF_LLC_STP 0x4242
103 
104 typedef struct qdf_net_ethaddr {
105 	uint8_t addr[QDF_NET_ETH_LEN];
106 } qdf_net_ethaddr_t;
107 
108 /**
109  * typedef qdf_net_arphdr_t - ARP header info
110  * @ar_hrd: hardware type
111  * @ar_pro: protocol type
112  * @ar_hln: hardware address length
113  * @ar_pln: protocol length
114  * @ar_op: arp operation code
115  * @ar_sha: sender hardware address
116  * @ar_sip: sender IP address
117  * @ar_tha: target hardware address
118  * @ar_tip: target IP address
119  */
120 typedef struct qdf_net_arphdr {
121 	uint16_t ar_hrd;
122 	uint16_t ar_pro;
123 	uint8_t  ar_hln;
124 	uint8_t  ar_pln;
125 	uint16_t ar_op;
126 	uint8_t  ar_sha[QDF_NET_ETH_LEN];
127 	uint8_t  ar_sip[QDF_NET_IPV4_LEN];
128 	uint8_t  ar_tha[QDF_NET_ETH_LEN];
129 	uint8_t  ar_tip[QDF_NET_IPV4_LEN];
130 } qdf_net_arphdr_t;
131 
132 /**
133  * typedef qdf_net_icmp6_11addr_t - ICMP6 header info
134  * @type: hardware type
135  * @len: hardware address length
136  * @addr: hardware address
137  */
138 typedef struct qdf_net_icmp6_11addr {
139 	uint8_t type;
140 	uint8_t len;
141 	uint8_t addr[QDF_NET_ETH_LEN];
142 } qdf_net_icmp6_11addr_t;
143 
144 #define QDF_TCPHDR_FIN __QDF_TCPHDR_FIN
145 #define QDF_TCPHDR_SYN __QDF_TCPHDR_SYN
146 #define QDF_TCPHDR_RST __QDF_TCPHDR_RST
147 #define QDF_TCPHDR_PSH __QDF_TCPHDR_PSH
148 #define QDF_TCPHDR_ACK __QDF_TCPHDR_ACK
149 #define QDF_TCPHDR_URG __QDF_TCPHDR_URG
150 #define QDF_TCPHDR_ECE __QDF_TCPHDR_ECE
151 #define QDF_TCPHDR_CWR __QDF_TCPHDR_CWR
152 
153 typedef struct {
154 	uint16_t  source;
155 	uint16_t  dest;
156 	uint32_t  seq;
157 	uint32_t  ack_seq;
158 #if defined(QDF_LITTLE_ENDIAN_MACHINE)
159 	uint16_t   res1:4,
160 		   doff:4,
161 		   fin:1,
162 		   syn:1,
163 		   rst:1,
164 		   psh:1,
165 		   ack:1,
166 		   urg:1,
167 		   ece:1,
168 		   cwr:1;
169 #elif defined(QDF_BIG_ENDIAN_MACHINE)
170 	uint16_t   doff:4,
171 		   res1:4,
172 		   cwr:1,
173 		   ece:1,
174 		   urg:1,
175 		   ack:1,
176 		   psh:1,
177 		   rst:1,
178 		   syn:1,
179 		   fin:1;
180 #else
181 #error  "Adjust your byte order"
182 #endif
183 	uint16_t  window;
184 	uint16_t  check;
185 	uint16_t  urg_ptr;
186 } qdf_net_tcphdr_t;
187 
188 typedef struct {
189 #if defined(QDF_LITTLE_ENDIAN_MACHINE)
190 	uint8_t	ip_hl:4,
191 		ip_version:4;
192 #elif defined(QDF_BIG_ENDIAN_MACHINE)
193 	uint8_t	ip_version:4,
194 		ip_hl:4;
195 #else
196 #error  "Please fix"
197 #endif
198 	uint8_t       ip_tos;
199 	uint16_t      ip_len;
200 	uint16_t      ip_id;
201 	uint16_t      ip_frag_off;
202 	uint8_t       ip_ttl;
203 	uint8_t       ip_proto;
204 	uint16_t      ip_check;
205 	uint32_t      ip_saddr;
206 	uint32_t      ip_daddr;
207     /*The options start here. */
208 } qdf_net_iphdr_t;
209 
210 /* V3 group record types [grec_type] */
211 #define IGMPV3_MODE_IS_INCLUDE     1
212 #define IGMPV3_MODE_IS_EXCLUDE     2
213 #define IGMPV3_CHANGE_TO_INCLUDE   3
214 #define IGMPV3_CHANGE_TO_EXCLUDE   4
215 #define IGMPV3_ALLOW_NEW_SOURCES   5
216 #define IGMPV3_BLOCK_OLD_SOURCES   6
217 
218 /**
219  * qdf_net_cmd_vid_t - Command for set/unset vid
220  */
221 typedef uint16_t qdf_net_cmd_vid_t ;        /*get/set vlan id*/
222 
223 /**
224  * typedef qdf_nbuf_tx_cksum_t - transmit checksum offload types
225  * @QDF_NBUF_TX_CKSUM_NONE: No checksum offload
226  * @QDF_NBUF_TX_CKSUM_IP: IP header checksum offload
227  * @QDF_NBUF_TX_CKSUM_TCP_UDP: TCP/UDP checksum offload
228  * @QDF_NBUF_TX_CKSUM_TCP_UDP_IP: TCP/UDP and IP header checksum offload
229  */
230 
231 typedef enum {
232 	QDF_NBUF_TX_CKSUM_NONE,
233 	QDF_NBUF_TX_CKSUM_IP,
234 	QDF_NBUF_TX_CKSUM_TCP_UDP,
235 	QDF_NBUF_TX_CKSUM_TCP_UDP_IP,
236 
237 } qdf_nbuf_tx_cksum_t;
238 
239 /**
240  * typedef qdf_nbuf_l4_rx_cksum_type_t - receive checksum API types
241  * @QDF_NBUF_RX_CKSUM_ZERO: Rx checksum zero
242  * @QDF_NBUF_RX_CKSUM_TCP: Rx checksum TCP
243  * @QDF_NBUF_RX_CKSUM_UDP: Rx checksum UDP
244  * @QDF_NBUF_RX_CKSUM_TCPIPV6: Rx checksum TCP IPV6
245  * @QDF_NBUF_RX_CKSUM_UDPIPV6: Rx checksum UDP IPV6
246  * @QDF_NBUF_RX_CKSUM_TCP_NOPSEUDOHEADER: Rx checksum TCP no pseudo header
247  * @QDF_NBUF_RX_CKSUM_UDP_NOPSEUDOHEADER: Rx checksum UDP no pseudo header
248  * @QDF_NBUF_RX_CKSUM_TCPSUM16: Rx checksum TCP SUM16
249  */
250 typedef enum {
251 	QDF_NBUF_RX_CKSUM_ZERO = 0x0000,
252 	QDF_NBUF_RX_CKSUM_TCP = 0x0001,
253 	QDF_NBUF_RX_CKSUM_UDP = 0x0002,
254 	QDF_NBUF_RX_CKSUM_TCPIPV6 = 0x0010,
255 	QDF_NBUF_RX_CKSUM_UDPIPV6 = 0x0020,
256 	QDF_NBUF_RX_CKSUM_TCP_NOPSEUDOHEADER = 0x0100,
257 	QDF_NBUF_RX_CKSUM_UDP_NOPSEUDOHEADER = 0x0200,
258 	QDF_NBUF_RX_CKSUM_TCPSUM16 = 0x1000,
259 } qdf_nbuf_l4_rx_cksum_type_t;
260 
261 /**
262  * typedef qdf_nbuf_l4_rx_cksum_result_t - receive checksum status types
263  * @QDF_NBUF_RX_CKSUM_NONE: Device failed to checksum
264  * @QDF_NBUF_RX_CKSUM_TCP_UDP_HW: TCP/UDP cksum successful and value returned
265  * @QDF_NBUF_RX_CKSUM_TCP_UDP_UNNECESSARY: TCP/UDP cksum successful, no value
266  */
267 typedef enum {
268 	QDF_NBUF_RX_CKSUM_NONE = 0x0000,
269 	QDF_NBUF_RX_CKSUM_TCP_UDP_HW = 0x0010,
270 	QDF_NBUF_RX_CKSUM_TCP_UDP_UNNECESSARY = 0x0020,
271 } qdf_nbuf_l4_rx_cksum_result_t;
272 
273 /**
274  * typedef qdf_nbuf_rx_cksum_t - receive checksum type
275  * @l4_type: L4 type
276  * @l4_result: L4 result
277  */
278 typedef struct {
279 	qdf_nbuf_l4_rx_cksum_type_t l4_type;
280 	qdf_nbuf_l4_rx_cksum_result_t l4_result;
281 	uint32_t val;
282 } qdf_nbuf_rx_cksum_t;
283 
284 #define QDF_ARP_REQ       1 /* ARP request */
285 #define QDF_ARP_RSP       2 /* ARP response */
286 #define QDF_ARP_RREQ      3 /* RARP request */
287 #define QDF_ARP_RRSP      4 /* RARP response */
288 
289 #define QDF_NEXTHDR_ICMP  58 /* ICMP for IPv6. */
290 
291 /* Neighbor Discovery */
292 #define QDF_ND_RSOL       133 /* Router Solicitation */
293 #define QDF_ND_RADVT      134 /* Router Advertisement */
294 #define QDF_ND_NSOL       135 /* Neighbor Solicitation */
295 #define QDF_ND_NADVT      136 /* Neighbor Advertisement */
296 
297 /**
298  * typedef qdf_net_udphdr_t - UDP header info
299  * @src_port: source port
300  * @dst_port: destination port
301  * @udp_len: length
302  * @udp_cksum: checksum
303  */
304 typedef struct {
305 	uint16_t src_port;
306 	uint16_t dst_port;
307 	uint16_t udp_len;
308 	uint16_t udp_cksum;
309 } qdf_net_udphdr_t;
310 
311 /**
312  * typedef qdf_net_dhcphdr_t - DHCP header info
313  * @dhcp_msg_type: message type
314  * @dhcp_hw_type: hardware type
315  * @dhcp_hw_addr_len: hardware address length
316  * @dhcp_num_hops: number of hops
317  * @dhcp_transc_id: transaction id
318  * @dhcp_secs_elapsed: time elapsed
319  * @dhcp_flags: flags
320  * @dhcp_ciaddr: client IP
321  * @dhcp_yiaddr: device IP
322  * @dhcp_siaddr_nip: Server IP
323  * @dhcp_gateway_nip: relay agent IP
324  * @dhcp_chaddr: LLC hardware address
325  * @dhcp_sname: server host name
326  * @dhcp_file: boot file name
327  * @dhcp_cookie: cookie
328  */
329 typedef struct {
330 	uint8_t  dhcp_msg_type;
331 	uint8_t  dhcp_hw_type;
332 	uint8_t  dhcp_hw_addr_len;
333 	uint8_t  dhcp_num_hops;
334 	uint32_t dhcp_transc_id;
335 	uint16_t dhcp_secs_elapsed;
336 	uint16_t dhcp_flags;
337 	uint32_t dhcp_ciaddr;
338 	uint32_t dhcp_yiaddr;
339 	uint32_t dhcp_siaddr_nip;
340 	uint32_t dhcp_gateway_nip;
341 	uint8_t  dhcp_chaddr[16];
342 	uint8_t  dhcp_sname[64];
343 	uint8_t  dhcp_file[128];
344 	uint8_t  dhcp_cookie[4];
345 } qdf_net_dhcphdr_t;
346 
347 
348 /**
349  * qdf_net_vlanhdr_t - Vlan header
350  */
351 typedef struct qdf_net_vlanhdr {
352 	uint16_t tpid;
353 #if defined(QDF_LITTLE_ENDIAN_MACHINE)
354 	uint16_t vid:12; /* Vlan id*/
355 	uint8_t  cfi:1; /* reserved for CFI, don't use*/
356 	uint8_t  prio:3; /* Priority*/
357 #elif defined(QDF_BIG_ENDIAN_MACHINE)
358 	uint8_t  prio:3; /* Priority*/
359 	uint8_t  cfi:1; /* reserved for CFI, don't use*/
360 	uint16_t vid:12; /* Vlan id*/
361 #else
362 #error  "Please fix"
363 #endif
364 } qdf_net_vlanhdr_t;
365 
366 typedef struct qdf_net_vid {
367 #if defined(QDF_LITTLE_ENDIAN_MACHINE)
368 	uint16_t val:12;
369 	uint8_t  res:4;
370 #elif defined(QDF_BIG_ENDIAN_MACHINE)
371 	uint8_t  res:4;
372 	uint16_t val:12;
373 #else
374 #error  "Please fix"
375 #endif
376 } qdf_net_vid_t;
377 
378 typedef enum {
379 	QDF_NET_TSO_NONE,
380 	QDF_NET_TSO_IPV4,     /**< for tsp ipv4 only*/
381 	QDF_NET_TSO_ALL,      /**< ip4 & ipv6*/
382 } qdf_net_tso_type_t;
383 
384 /**
385  * qdf_net_dev_info_t - Basic device info
386  */
387 typedef struct {
388 	uint8_t  if_name[QDF_NET_IF_NAME_SIZE];
389 	uint8_t  dev_addr[QDF_NET_MAC_ADDR_MAX_LEN];
390 	uint16_t header_len;
391 	uint16_t mtu_size;
392 	uint32_t unit;
393 } qdf_net_dev_info_t;
394 
395 /**
396  * qdf_nbuf_tso_t - For TCP large Segment Offload
397  */
398 typedef struct {
399 	qdf_net_tso_type_t  type;
400 	uint16_t mss;
401 	uint8_t  hdr_off;
402 } qdf_nbuf_tso_t;
403 
404 /**
405  * qdf_net_wireless_event_t - Wireless events
406  * QDF_IEEE80211_ASSOC = station associate (bss mode)
407  * QDF_IEEE80211_REASSOC = station re-associate (bss mode)
408  * QDF_IEEE80211_DISASSOC = station disassociate (bss mode)
409  * QDF_IEEE80211_JOIN = station join (ap mode)
410  * QDF_IEEE80211_LEAVE = station leave (ap mode)
411  * QDF_IEEE80211_SCAN = scan complete, results available
412  * QDF_IEEE80211_REPLAY = sequence counter replay detected
413  * QDF_IEEE80211_MICHAEL = Michael MIC failure detected
414  * QDF_IEEE80211_REJOIN = station re-associate (ap mode)
415  * QDF_CUSTOM_PUSH_BUTTON = WPS push button
416  */
417 typedef enum qdf_net_wireless_events {
418 	QDF_IEEE80211_ASSOC = __QDF_IEEE80211_ASSOC,
419 	QDF_IEEE80211_REASSOC = __QDF_IEEE80211_REASSOC,
420 	QDF_IEEE80211_DISASSOC = __QDF_IEEE80211_DISASSOC,
421 	QDF_IEEE80211_JOIN = __QDF_IEEE80211_JOIN,
422 	QDF_IEEE80211_LEAVE = __QDF_IEEE80211_LEAVE,
423 	QDF_IEEE80211_SCAN = __QDF_IEEE80211_SCAN,
424 	QDF_IEEE80211_REPLAY = __QDF_IEEE80211_REPLAY,
425 	QDF_IEEE80211_MICHAEL = __QDF_IEEE80211_MICHAEL,
426 	QDF_IEEE80211_REJOIN = __QDF_IEEE80211_REJOIN,
427 	QDF_CUSTOM_PUSH_BUTTON = __QDF_CUSTOM_PUSH_BUTTON
428 } qdf_net_wireless_event_t;
429 
430 /**
431  * qdf_net_ipv6_addr_t - IPv6 Address
432  */
433 typedef struct {
434 	union {
435 		uint8_t  u6_addr8[16];
436 		uint16_t u6_addr16[8];
437 		uint32_t u6_addr32[4];
438 	} in6_u;
439 #define s6_addr32   in6_u.u6_addr32
440 } qdf_net_ipv6_addr_t;
441 
442 /**
443  * qdf_net_ipv6hdr_t - IPv6 Header
444  */
445 typedef struct {
446 #if defined(QDF_LITTLE_ENDIAN_MACHINE)
447 	uint8_t ipv6_priority:4,
448 		ipv6_version:4;
449 #elif defined(QDF_BIG_ENDIAN_MACHINE)
450 	uint8_t ipv6_version:4,
451 		ipv6_priority:4;
452 #else
453 #error  "Please fix"
454 #endif
455 	uint8_t ipv6_flow_lbl[3];
456 
457 	uint16_t ipv6_payload_len;
458 	uint8_t  ipv6_nexthdr,
459 		 ipv6_hop_limit;
460 
461 	qdf_net_ipv6_addr_t ipv6_saddr,
462 			    ipv6_daddr;
463 } qdf_net_ipv6hdr_t;
464 
465 /**
466  * qdf_net_icmpv6hdr_t - ICMPv6 Header
467  */
468 typedef struct {
469 	uint8_t	 icmp6_type;
470 	uint8_t	 icmp6_code;
471 	uint16_t icmp6_cksum;
472 
473 	union {
474 		uint32_t un_data32[1];
475 		uint16_t un_data16[2];
476 		uint8_t  un_data8[4];
477 
478 		struct {
479 			uint16_t identifier;
480 			uint16_t sequence;
481 		} u_echo;
482 
483 		struct {
484 #if defined(QDF_LITTLE_ENDIAN_MACHINE)
485 			uint32_t reserved:5,
486 				 override:1,
487 				 solicited:1,
488 				 router:1,
489 				 reserved2:24;
490 #elif defined(QDF_BIG_ENDIAN_MACHINE)
491 			uint32_t router:1,
492 				 solicited:1,
493 				 override:1,
494 				 reserved:29;
495 #else
496 #error  "Please fix"
497 #endif
498 		} u_nd_advt;
499 
500 		struct {
501 			uint8_t	hop_limit;
502 #if defined(QDF_LITTLE_ENDIAN_MACHINE)
503 			uint8_t	reserved:6,
504 				other:1,
505 				managed:1;
506 
507 #elif defined(QDF_BIG_ENDIAN_MACHINE)
508 			uint8_t	managed:1,
509 				other:1,
510 				reserved:6;
511 #else
512 #error  "Please fix"
513 #endif
514 			uint16_t rt_lifetime;
515 		} u_nd_ra;
516 
517 	} icmp6_dataun;
518 
519 } qdf_net_icmpv6hdr_t;
520 
521 /**
522  * qdf_net_nd_msg_t - Neighbor Discovery Message
523  */
524 typedef struct {
525 	qdf_net_icmpv6hdr_t nd_icmph;
526 	qdf_net_ipv6_addr_t nd_target;
527 	uint8_t	nd_opt[0];
528 } qdf_net_nd_msg_t;
529 
530 
531 static inline int32_t qdf_csum_ipv6(const in6_addr_t *saddr,
532 				    const in6_addr_t *daddr,
533 				    __u32 len, unsigned short proto,
534 				    wsum_t sum)
535 {
536 	return (int32_t)__qdf_csum_ipv6(saddr, daddr, len, proto, sum);
537 }
538 
539 typedef struct {
540 	uint8_t i_fc[2];
541 	uint8_t i_dur[2];
542 	uint8_t i_addr1[QDF_NET_MAC_ADDR_MAX_LEN];
543 	uint8_t i_addr2[QDF_NET_MAC_ADDR_MAX_LEN];
544 	uint8_t i_addr3[QDF_NET_MAC_ADDR_MAX_LEN];
545 	uint8_t i_seq[2];
546 	uint8_t i_qos[2];
547 } qdf_dot3_qosframe_t;
548 
549 typedef struct {
550 	uint8_t ether_dhost[QDF_NET_MAC_ADDR_MAX_LEN];
551 	uint8_t ether_shost[QDF_NET_MAC_ADDR_MAX_LEN];
552 	uint16_t vlan_TCI;
553 	uint16_t vlan_encapsulated_proto;
554 	uint16_t ether_type;
555 } qdf_ethervlan_header_t;
556 
557 /**
558  * typedef qdf_ether_header_t - ethernet header info
559  * @ether_dhost: destination hardware address
560  * @ether_shost: source hardware address
561  * @ether_type: ethernet type
562  */
563 typedef struct {
564 	uint8_t  ether_dhost[QDF_NET_ETH_LEN];
565 	uint8_t  ether_shost[QDF_NET_ETH_LEN];
566 	uint16_t ether_type;
567 } qdf_ether_header_t;
568 
569 typedef struct {
570 	uint8_t llc_dsap;
571 	uint8_t llc_ssap;
572 	union {
573 		struct {
574 			uint8_t control;
575 			uint8_t format_id;
576 			uint8_t class;
577 			uint8_t window_x2;
578 		} __packed type_u;
579 		struct {
580 			uint8_t num_snd_x2;
581 			uint8_t num_rcv_x2;
582 		} __packed type_i;
583 		struct {
584 			uint8_t control;
585 			uint8_t num_rcv_x2;
586 		} __packed type_s;
587 		struct {
588 			uint8_t control;
589 			/*
590 			 * We cannot put the following fields in a structure
591 			 * because the structure rounding might cause padding.
592 			 */
593 			uint8_t frmr_rej_pdu0;
594 			uint8_t frmr_rej_pdu1;
595 			uint8_t frmr_control;
596 			uint8_t frmr_control_ext;
597 			uint8_t frmr_cause;
598 		} __packed type_frmr;
599 		struct {
600 			uint8_t  control;
601 			uint8_t  org_code[3];
602 			uint16_t ether_type;
603 		} __packed type_snap;
604 		struct {
605 			uint8_t control;
606 			uint8_t control_ext;
607 		} __packed type_raw;
608 	} llc_un /* XXX __packed ??? */;
609 } qdf_llc_t;
610 #endif /*_QDF_NET_TYPES_H*/
611