Loading...
1/* SPDX-License-Identifier: ISC */
2/*
3 * Copyright (c) 2005-2011 Atheros Communications Inc.
4 * Copyright (c) 2011-2017 Qualcomm Atheros, Inc.
5 * Copyright (c) 2018, The Linux Foundation. All rights reserved.
6 * Copyright (c) 2021, 2023 Qualcomm Innovation Center, Inc. All rights reserved.
7 */
8
9#ifndef _HTT_H_
10#define _HTT_H_
11
12#include <linux/bug.h>
13#include <linux/interrupt.h>
14#include <linux/dmapool.h>
15#include <linux/hashtable.h>
16#include <linux/kfifo.h>
17#include <net/mac80211.h>
18
19#include "htc.h"
20#include "hw.h"
21#include "rx_desc.h"
22
23enum htt_dbg_stats_type {
24 HTT_DBG_STATS_WAL_PDEV_TXRX = 1 << 0,
25 HTT_DBG_STATS_RX_REORDER = 1 << 1,
26 HTT_DBG_STATS_RX_RATE_INFO = 1 << 2,
27 HTT_DBG_STATS_TX_PPDU_LOG = 1 << 3,
28 HTT_DBG_STATS_TX_RATE_INFO = 1 << 4,
29 /* bits 5-23 currently reserved */
30
31 HTT_DBG_NUM_STATS /* keep this last */
32};
33
34enum htt_h2t_msg_type { /* host-to-target */
35 HTT_H2T_MSG_TYPE_VERSION_REQ = 0,
36 HTT_H2T_MSG_TYPE_TX_FRM = 1,
37 HTT_H2T_MSG_TYPE_RX_RING_CFG = 2,
38 HTT_H2T_MSG_TYPE_STATS_REQ = 3,
39 HTT_H2T_MSG_TYPE_SYNC = 4,
40 HTT_H2T_MSG_TYPE_AGGR_CFG = 5,
41 HTT_H2T_MSG_TYPE_FRAG_DESC_BANK_CFG = 6,
42
43 /* This command is used for sending management frames in HTT < 3.0.
44 * HTT >= 3.0 uses TX_FRM for everything.
45 */
46 HTT_H2T_MSG_TYPE_MGMT_TX = 7,
47 HTT_H2T_MSG_TYPE_TX_FETCH_RESP = 11,
48
49 HTT_H2T_NUM_MSGS /* keep this last */
50};
51
52struct htt_cmd_hdr {
53 u8 msg_type;
54} __packed;
55
56struct htt_ver_req {
57 u8 pad[sizeof(u32) - sizeof(struct htt_cmd_hdr)];
58} __packed;
59
60/*
61 * HTT tx MSDU descriptor
62 *
63 * The HTT tx MSDU descriptor is created by the host HTT SW for each
64 * tx MSDU. The HTT tx MSDU descriptor contains the information that
65 * the target firmware needs for the FW's tx processing, particularly
66 * for creating the HW msdu descriptor.
67 * The same HTT tx descriptor is used for HL and LL systems, though
68 * a few fields within the tx descriptor are used only by LL or
69 * only by HL.
70 * The HTT tx descriptor is defined in two manners: by a struct with
71 * bitfields, and by a series of [dword offset, bit mask, bit shift]
72 * definitions.
73 * The target should use the struct def, for simplicity and clarity,
74 * but the host shall use the bit-mast + bit-shift defs, to be endian-
75 * neutral. Specifically, the host shall use the get/set macros built
76 * around the mask + shift defs.
77 */
78struct htt_data_tx_desc_frag {
79 union {
80 struct double_word_addr {
81 __le32 paddr;
82 __le32 len;
83 } __packed dword_addr;
84 struct triple_word_addr {
85 __le32 paddr_lo;
86 __le16 paddr_hi;
87 __le16 len_16;
88 } __packed tword_addr;
89 } __packed;
90} __packed;
91
92struct htt_msdu_ext_desc {
93 __le32 tso_flag[3];
94 __le16 ip_identification;
95 u8 flags;
96 u8 reserved;
97 struct htt_data_tx_desc_frag frags[6];
98};
99
100struct htt_msdu_ext_desc_64 {
101 __le32 tso_flag[5];
102 __le16 ip_identification;
103 u8 flags;
104 u8 reserved;
105 struct htt_data_tx_desc_frag frags[6];
106};
107
108#define HTT_MSDU_EXT_DESC_FLAG_IPV4_CSUM_ENABLE BIT(0)
109#define HTT_MSDU_EXT_DESC_FLAG_UDP_IPV4_CSUM_ENABLE BIT(1)
110#define HTT_MSDU_EXT_DESC_FLAG_UDP_IPV6_CSUM_ENABLE BIT(2)
111#define HTT_MSDU_EXT_DESC_FLAG_TCP_IPV4_CSUM_ENABLE BIT(3)
112#define HTT_MSDU_EXT_DESC_FLAG_TCP_IPV6_CSUM_ENABLE BIT(4)
113
114#define HTT_MSDU_CHECKSUM_ENABLE (HTT_MSDU_EXT_DESC_FLAG_IPV4_CSUM_ENABLE \
115 | HTT_MSDU_EXT_DESC_FLAG_UDP_IPV4_CSUM_ENABLE \
116 | HTT_MSDU_EXT_DESC_FLAG_UDP_IPV6_CSUM_ENABLE \
117 | HTT_MSDU_EXT_DESC_FLAG_TCP_IPV4_CSUM_ENABLE \
118 | HTT_MSDU_EXT_DESC_FLAG_TCP_IPV6_CSUM_ENABLE)
119
120#define HTT_MSDU_EXT_DESC_FLAG_IPV4_CSUM_ENABLE_64 BIT(16)
121#define HTT_MSDU_EXT_DESC_FLAG_UDP_IPV4_CSUM_ENABLE_64 BIT(17)
122#define HTT_MSDU_EXT_DESC_FLAG_UDP_IPV6_CSUM_ENABLE_64 BIT(18)
123#define HTT_MSDU_EXT_DESC_FLAG_TCP_IPV4_CSUM_ENABLE_64 BIT(19)
124#define HTT_MSDU_EXT_DESC_FLAG_TCP_IPV6_CSUM_ENABLE_64 BIT(20)
125#define HTT_MSDU_EXT_DESC_FLAG_PARTIAL_CSUM_ENABLE_64 BIT(21)
126
127#define HTT_MSDU_CHECKSUM_ENABLE_64 (HTT_MSDU_EXT_DESC_FLAG_IPV4_CSUM_ENABLE_64 \
128 | HTT_MSDU_EXT_DESC_FLAG_UDP_IPV4_CSUM_ENABLE_64 \
129 | HTT_MSDU_EXT_DESC_FLAG_UDP_IPV6_CSUM_ENABLE_64 \
130 | HTT_MSDU_EXT_DESC_FLAG_TCP_IPV4_CSUM_ENABLE_64 \
131 | HTT_MSDU_EXT_DESC_FLAG_TCP_IPV6_CSUM_ENABLE_64)
132
133enum htt_data_tx_desc_flags0 {
134 HTT_DATA_TX_DESC_FLAGS0_MAC_HDR_PRESENT = 1 << 0,
135 HTT_DATA_TX_DESC_FLAGS0_NO_AGGR = 1 << 1,
136 HTT_DATA_TX_DESC_FLAGS0_NO_ENCRYPT = 1 << 2,
137 HTT_DATA_TX_DESC_FLAGS0_NO_CLASSIFY = 1 << 3,
138 HTT_DATA_TX_DESC_FLAGS0_RSVD0 = 1 << 4
139#define HTT_DATA_TX_DESC_FLAGS0_PKT_TYPE_MASK 0xE0
140#define HTT_DATA_TX_DESC_FLAGS0_PKT_TYPE_LSB 5
141};
142
143enum htt_data_tx_desc_flags1 {
144#define HTT_DATA_TX_DESC_FLAGS1_VDEV_ID_BITS 6
145#define HTT_DATA_TX_DESC_FLAGS1_VDEV_ID_MASK 0x003F
146#define HTT_DATA_TX_DESC_FLAGS1_VDEV_ID_LSB 0
147#define HTT_DATA_TX_DESC_FLAGS1_EXT_TID_BITS 5
148#define HTT_DATA_TX_DESC_FLAGS1_EXT_TID_MASK 0x07C0
149#define HTT_DATA_TX_DESC_FLAGS1_EXT_TID_LSB 6
150 HTT_DATA_TX_DESC_FLAGS1_POSTPONED = 1 << 11,
151 HTT_DATA_TX_DESC_FLAGS1_MORE_IN_BATCH = 1 << 12,
152 HTT_DATA_TX_DESC_FLAGS1_CKSUM_L3_OFFLOAD = 1 << 13,
153 HTT_DATA_TX_DESC_FLAGS1_CKSUM_L4_OFFLOAD = 1 << 14,
154 HTT_DATA_TX_DESC_FLAGS1_TX_COMPLETE = 1 << 15
155};
156
157#define HTT_TX_CREDIT_DELTA_ABS_M 0xffff0000
158#define HTT_TX_CREDIT_DELTA_ABS_S 16
159#define HTT_TX_CREDIT_DELTA_ABS_GET(word) \
160 (((word) & HTT_TX_CREDIT_DELTA_ABS_M) >> HTT_TX_CREDIT_DELTA_ABS_S)
161
162#define HTT_TX_CREDIT_SIGN_BIT_M 0x00000100
163#define HTT_TX_CREDIT_SIGN_BIT_S 8
164#define HTT_TX_CREDIT_SIGN_BIT_GET(word) \
165 (((word) & HTT_TX_CREDIT_SIGN_BIT_M) >> HTT_TX_CREDIT_SIGN_BIT_S)
166
167enum htt_data_tx_ext_tid {
168 HTT_DATA_TX_EXT_TID_NON_QOS_MCAST_BCAST = 16,
169 HTT_DATA_TX_EXT_TID_MGMT = 17,
170 HTT_DATA_TX_EXT_TID_INVALID = 31
171};
172
173#define HTT_INVALID_PEERID 0xFFFF
174
175/*
176 * htt_data_tx_desc - used for data tx path
177 *
178 * Note: vdev_id irrelevant for pkt_type == raw and no_classify == 1.
179 * ext_tid: for qos-data frames (0-15), see %HTT_DATA_TX_EXT_TID_
180 * for special kinds of tids
181 * postponed: only for HL hosts. indicates if this is a resend
182 * (HL hosts manage queues on the host )
183 * more_in_batch: only for HL hosts. indicates if more packets are
184 * pending. this allows target to wait and aggregate
185 * freq: 0 means home channel of given vdev. intended for offchannel
186 */
187struct htt_data_tx_desc {
188 u8 flags0; /* %HTT_DATA_TX_DESC_FLAGS0_ */
189 __le16 flags1; /* %HTT_DATA_TX_DESC_FLAGS1_ */
190 __le16 len;
191 __le16 id;
192 __le32 frags_paddr;
193 union {
194 __le32 peerid;
195 struct {
196 __le16 peerid;
197 __le16 freq;
198 } __packed offchan_tx;
199 } __packed;
200 u8 prefetch[0]; /* start of frame, for FW classification engine */
201} __packed;
202
203struct htt_data_tx_desc_64 {
204 u8 flags0; /* %HTT_DATA_TX_DESC_FLAGS0_ */
205 __le16 flags1; /* %HTT_DATA_TX_DESC_FLAGS1_ */
206 __le16 len;
207 __le16 id;
208 __le64 frags_paddr;
209 union {
210 __le32 peerid;
211 struct {
212 __le16 peerid;
213 __le16 freq;
214 } __packed offchan_tx;
215 } __packed;
216 u8 prefetch[0]; /* start of frame, for FW classification engine */
217} __packed;
218
219enum htt_rx_ring_flags {
220 HTT_RX_RING_FLAGS_MAC80211_HDR = 1 << 0,
221 HTT_RX_RING_FLAGS_MSDU_PAYLOAD = 1 << 1,
222 HTT_RX_RING_FLAGS_PPDU_START = 1 << 2,
223 HTT_RX_RING_FLAGS_PPDU_END = 1 << 3,
224 HTT_RX_RING_FLAGS_MPDU_START = 1 << 4,
225 HTT_RX_RING_FLAGS_MPDU_END = 1 << 5,
226 HTT_RX_RING_FLAGS_MSDU_START = 1 << 6,
227 HTT_RX_RING_FLAGS_MSDU_END = 1 << 7,
228 HTT_RX_RING_FLAGS_RX_ATTENTION = 1 << 8,
229 HTT_RX_RING_FLAGS_FRAG_INFO = 1 << 9,
230 HTT_RX_RING_FLAGS_UNICAST_RX = 1 << 10,
231 HTT_RX_RING_FLAGS_MULTICAST_RX = 1 << 11,
232 HTT_RX_RING_FLAGS_CTRL_RX = 1 << 12,
233 HTT_RX_RING_FLAGS_MGMT_RX = 1 << 13,
234 HTT_RX_RING_FLAGS_NULL_RX = 1 << 14,
235 HTT_RX_RING_FLAGS_PHY_DATA_RX = 1 << 15
236};
237
238#define HTT_RX_RING_SIZE_MIN 128
239#define HTT_RX_RING_SIZE_MAX 2048
240#define HTT_RX_RING_SIZE HTT_RX_RING_SIZE_MAX
241#define HTT_RX_RING_FILL_LEVEL (((HTT_RX_RING_SIZE) / 2) - 1)
242#define HTT_RX_RING_FILL_LEVEL_DUAL_MAC (HTT_RX_RING_SIZE - 1)
243
244struct htt_rx_ring_rx_desc_offsets {
245 /* the following offsets are in 4-byte units */
246 __le16 mac80211_hdr_offset;
247 __le16 msdu_payload_offset;
248 __le16 ppdu_start_offset;
249 __le16 ppdu_end_offset;
250 __le16 mpdu_start_offset;
251 __le16 mpdu_end_offset;
252 __le16 msdu_start_offset;
253 __le16 msdu_end_offset;
254 __le16 rx_attention_offset;
255 __le16 frag_info_offset;
256} __packed;
257
258struct htt_rx_ring_setup_ring32 {
259 __le32 fw_idx_shadow_reg_paddr;
260 __le32 rx_ring_base_paddr;
261 __le16 rx_ring_len; /* in 4-byte words */
262 __le16 rx_ring_bufsize; /* rx skb size - in bytes */
263 __le16 flags; /* %HTT_RX_RING_FLAGS_ */
264 __le16 fw_idx_init_val;
265
266 struct htt_rx_ring_rx_desc_offsets offsets;
267} __packed;
268
269struct htt_rx_ring_setup_ring64 {
270 __le64 fw_idx_shadow_reg_paddr;
271 __le64 rx_ring_base_paddr;
272 __le16 rx_ring_len; /* in 4-byte words */
273 __le16 rx_ring_bufsize; /* rx skb size - in bytes */
274 __le16 flags; /* %HTT_RX_RING_FLAGS_ */
275 __le16 fw_idx_init_val;
276
277 struct htt_rx_ring_rx_desc_offsets offsets;
278} __packed;
279
280struct htt_rx_ring_setup_hdr {
281 u8 num_rings; /* supported values: 1, 2 */
282 __le16 rsvd0;
283} __packed;
284
285struct htt_rx_ring_setup_32 {
286 struct htt_rx_ring_setup_hdr hdr;
287 struct htt_rx_ring_setup_ring32 rings[];
288} __packed;
289
290struct htt_rx_ring_setup_64 {
291 struct htt_rx_ring_setup_hdr hdr;
292 struct htt_rx_ring_setup_ring64 rings[];
293} __packed;
294
295/*
296 * htt_stats_req - request target to send specified statistics
297 *
298 * @msg_type: hardcoded %HTT_H2T_MSG_TYPE_STATS_REQ
299 * @upload_types: see %htt_dbg_stats_type. this is 24bit field actually
300 * so make sure its little-endian.
301 * @reset_types: see %htt_dbg_stats_type. this is 24bit field actually
302 * so make sure its little-endian.
303 * @cfg_val: stat_type specific configuration
304 * @stat_type: see %htt_dbg_stats_type
305 * @cookie_lsb: used for confirmation message from target->host
306 * @cookie_msb: ditto as %cookie
307 */
308struct htt_stats_req {
309 u8 upload_types[3];
310 u8 rsvd0;
311 u8 reset_types[3];
312 struct {
313 u8 mpdu_bytes;
314 u8 mpdu_num_msdus;
315 u8 msdu_bytes;
316 } __packed;
317 u8 stat_type;
318 __le32 cookie_lsb;
319 __le32 cookie_msb;
320} __packed;
321
322#define HTT_STATS_REQ_CFG_STAT_TYPE_INVALID 0xff
323#define HTT_STATS_BIT_MASK GENMASK(16, 0)
324
325/*
326 * htt_oob_sync_req - request out-of-band sync
327 *
328 * The HTT SYNC tells the target to suspend processing of subsequent
329 * HTT host-to-target messages until some other target agent locally
330 * informs the target HTT FW that the current sync counter is equal to
331 * or greater than (in a modulo sense) the sync counter specified in
332 * the SYNC message.
333 *
334 * This allows other host-target components to synchronize their operation
335 * with HTT, e.g. to ensure that tx frames don't get transmitted until a
336 * security key has been downloaded to and activated by the target.
337 * In the absence of any explicit synchronization counter value
338 * specification, the target HTT FW will use zero as the default current
339 * sync value.
340 *
341 * The HTT target FW will suspend its host->target message processing as long
342 * as 0 < (in-band sync counter - out-of-band sync counter) & 0xff < 128.
343 */
344struct htt_oob_sync_req {
345 u8 sync_count;
346 __le16 rsvd0;
347} __packed;
348
349struct htt_aggr_conf {
350 u8 max_num_ampdu_subframes;
351 /* amsdu_subframes is limited by 0x1F mask */
352 u8 max_num_amsdu_subframes;
353} __packed;
354
355struct htt_aggr_conf_v2 {
356 u8 max_num_ampdu_subframes;
357 /* amsdu_subframes is limited by 0x1F mask */
358 u8 max_num_amsdu_subframes;
359 u8 reserved;
360} __packed;
361
362#define HTT_MGMT_FRM_HDR_DOWNLOAD_LEN 32
363struct htt_mgmt_tx_desc_qca99x0 {
364 __le32 rate;
365} __packed;
366
367struct htt_mgmt_tx_desc {
368 u8 pad[sizeof(u32) - sizeof(struct htt_cmd_hdr)];
369 __le32 msdu_paddr;
370 __le32 desc_id;
371 __le32 len;
372 __le32 vdev_id;
373 u8 hdr[HTT_MGMT_FRM_HDR_DOWNLOAD_LEN];
374 union {
375 struct htt_mgmt_tx_desc_qca99x0 qca99x0;
376 } __packed;
377} __packed;
378
379enum htt_mgmt_tx_status {
380 HTT_MGMT_TX_STATUS_OK = 0,
381 HTT_MGMT_TX_STATUS_RETRY = 1,
382 HTT_MGMT_TX_STATUS_DROP = 2
383};
384
385/*=== target -> host messages ===============================================*/
386
387enum htt_main_t2h_msg_type {
388 HTT_MAIN_T2H_MSG_TYPE_VERSION_CONF = 0x0,
389 HTT_MAIN_T2H_MSG_TYPE_RX_IND = 0x1,
390 HTT_MAIN_T2H_MSG_TYPE_RX_FLUSH = 0x2,
391 HTT_MAIN_T2H_MSG_TYPE_PEER_MAP = 0x3,
392 HTT_MAIN_T2H_MSG_TYPE_PEER_UNMAP = 0x4,
393 HTT_MAIN_T2H_MSG_TYPE_RX_ADDBA = 0x5,
394 HTT_MAIN_T2H_MSG_TYPE_RX_DELBA = 0x6,
395 HTT_MAIN_T2H_MSG_TYPE_TX_COMPL_IND = 0x7,
396 HTT_MAIN_T2H_MSG_TYPE_PKTLOG = 0x8,
397 HTT_MAIN_T2H_MSG_TYPE_STATS_CONF = 0x9,
398 HTT_MAIN_T2H_MSG_TYPE_RX_FRAG_IND = 0xa,
399 HTT_MAIN_T2H_MSG_TYPE_SEC_IND = 0xb,
400 HTT_MAIN_T2H_MSG_TYPE_TX_INSPECT_IND = 0xd,
401 HTT_MAIN_T2H_MSG_TYPE_MGMT_TX_COMPL_IND = 0xe,
402 HTT_MAIN_T2H_MSG_TYPE_TX_CREDIT_UPDATE_IND = 0xf,
403 HTT_MAIN_T2H_MSG_TYPE_RX_PN_IND = 0x10,
404 HTT_MAIN_T2H_MSG_TYPE_RX_OFFLOAD_DELIVER_IND = 0x11,
405 HTT_MAIN_T2H_MSG_TYPE_TEST,
406 /* keep this last */
407 HTT_MAIN_T2H_NUM_MSGS
408};
409
410enum htt_10x_t2h_msg_type {
411 HTT_10X_T2H_MSG_TYPE_VERSION_CONF = 0x0,
412 HTT_10X_T2H_MSG_TYPE_RX_IND = 0x1,
413 HTT_10X_T2H_MSG_TYPE_RX_FLUSH = 0x2,
414 HTT_10X_T2H_MSG_TYPE_PEER_MAP = 0x3,
415 HTT_10X_T2H_MSG_TYPE_PEER_UNMAP = 0x4,
416 HTT_10X_T2H_MSG_TYPE_RX_ADDBA = 0x5,
417 HTT_10X_T2H_MSG_TYPE_RX_DELBA = 0x6,
418 HTT_10X_T2H_MSG_TYPE_TX_COMPL_IND = 0x7,
419 HTT_10X_T2H_MSG_TYPE_PKTLOG = 0x8,
420 HTT_10X_T2H_MSG_TYPE_STATS_CONF = 0x9,
421 HTT_10X_T2H_MSG_TYPE_RX_FRAG_IND = 0xa,
422 HTT_10X_T2H_MSG_TYPE_SEC_IND = 0xb,
423 HTT_10X_T2H_MSG_TYPE_RC_UPDATE_IND = 0xc,
424 HTT_10X_T2H_MSG_TYPE_TX_INSPECT_IND = 0xd,
425 HTT_10X_T2H_MSG_TYPE_TEST = 0xe,
426 HTT_10X_T2H_MSG_TYPE_CHAN_CHANGE = 0xf,
427 HTT_10X_T2H_MSG_TYPE_AGGR_CONF = 0x11,
428 HTT_10X_T2H_MSG_TYPE_STATS_NOUPLOAD = 0x12,
429 HTT_10X_T2H_MSG_TYPE_MGMT_TX_COMPL_IND = 0x13,
430 /* keep this last */
431 HTT_10X_T2H_NUM_MSGS
432};
433
434enum htt_tlv_t2h_msg_type {
435 HTT_TLV_T2H_MSG_TYPE_VERSION_CONF = 0x0,
436 HTT_TLV_T2H_MSG_TYPE_RX_IND = 0x1,
437 HTT_TLV_T2H_MSG_TYPE_RX_FLUSH = 0x2,
438 HTT_TLV_T2H_MSG_TYPE_PEER_MAP = 0x3,
439 HTT_TLV_T2H_MSG_TYPE_PEER_UNMAP = 0x4,
440 HTT_TLV_T2H_MSG_TYPE_RX_ADDBA = 0x5,
441 HTT_TLV_T2H_MSG_TYPE_RX_DELBA = 0x6,
442 HTT_TLV_T2H_MSG_TYPE_TX_COMPL_IND = 0x7,
443 HTT_TLV_T2H_MSG_TYPE_PKTLOG = 0x8,
444 HTT_TLV_T2H_MSG_TYPE_STATS_CONF = 0x9,
445 HTT_TLV_T2H_MSG_TYPE_RX_FRAG_IND = 0xa,
446 HTT_TLV_T2H_MSG_TYPE_SEC_IND = 0xb,
447 HTT_TLV_T2H_MSG_TYPE_RC_UPDATE_IND = 0xc, /* deprecated */
448 HTT_TLV_T2H_MSG_TYPE_TX_INSPECT_IND = 0xd,
449 HTT_TLV_T2H_MSG_TYPE_MGMT_TX_COMPL_IND = 0xe,
450 HTT_TLV_T2H_MSG_TYPE_TX_CREDIT_UPDATE_IND = 0xf,
451 HTT_TLV_T2H_MSG_TYPE_RX_PN_IND = 0x10,
452 HTT_TLV_T2H_MSG_TYPE_RX_OFFLOAD_DELIVER_IND = 0x11,
453 HTT_TLV_T2H_MSG_TYPE_RX_IN_ORD_PADDR_IND = 0x12,
454 /* 0x13 reservd */
455 HTT_TLV_T2H_MSG_TYPE_WDI_IPA_OP_RESPONSE = 0x14,
456 HTT_TLV_T2H_MSG_TYPE_CHAN_CHANGE = 0x15,
457 HTT_TLV_T2H_MSG_TYPE_RX_OFLD_PKT_ERR = 0x16,
458 HTT_TLV_T2H_MSG_TYPE_TEST,
459 /* keep this last */
460 HTT_TLV_T2H_NUM_MSGS
461};
462
463enum htt_10_4_t2h_msg_type {
464 HTT_10_4_T2H_MSG_TYPE_VERSION_CONF = 0x0,
465 HTT_10_4_T2H_MSG_TYPE_RX_IND = 0x1,
466 HTT_10_4_T2H_MSG_TYPE_RX_FLUSH = 0x2,
467 HTT_10_4_T2H_MSG_TYPE_PEER_MAP = 0x3,
468 HTT_10_4_T2H_MSG_TYPE_PEER_UNMAP = 0x4,
469 HTT_10_4_T2H_MSG_TYPE_RX_ADDBA = 0x5,
470 HTT_10_4_T2H_MSG_TYPE_RX_DELBA = 0x6,
471 HTT_10_4_T2H_MSG_TYPE_TX_COMPL_IND = 0x7,
472 HTT_10_4_T2H_MSG_TYPE_PKTLOG = 0x8,
473 HTT_10_4_T2H_MSG_TYPE_STATS_CONF = 0x9,
474 HTT_10_4_T2H_MSG_TYPE_RX_FRAG_IND = 0xa,
475 HTT_10_4_T2H_MSG_TYPE_SEC_IND = 0xb,
476 HTT_10_4_T2H_MSG_TYPE_RC_UPDATE_IND = 0xc,
477 HTT_10_4_T2H_MSG_TYPE_TX_INSPECT_IND = 0xd,
478 HTT_10_4_T2H_MSG_TYPE_MGMT_TX_COMPL_IND = 0xe,
479 HTT_10_4_T2H_MSG_TYPE_CHAN_CHANGE = 0xf,
480 HTT_10_4_T2H_MSG_TYPE_TX_CREDIT_UPDATE_IND = 0x10,
481 HTT_10_4_T2H_MSG_TYPE_RX_PN_IND = 0x11,
482 HTT_10_4_T2H_MSG_TYPE_RX_OFFLOAD_DELIVER_IND = 0x12,
483 HTT_10_4_T2H_MSG_TYPE_TEST = 0x13,
484 HTT_10_4_T2H_MSG_TYPE_EN_STATS = 0x14,
485 HTT_10_4_T2H_MSG_TYPE_AGGR_CONF = 0x15,
486 HTT_10_4_T2H_MSG_TYPE_TX_FETCH_IND = 0x16,
487 HTT_10_4_T2H_MSG_TYPE_TX_FETCH_CONFIRM = 0x17,
488 HTT_10_4_T2H_MSG_TYPE_STATS_NOUPLOAD = 0x18,
489 /* 0x19 to 0x2f are reserved */
490 HTT_10_4_T2H_MSG_TYPE_TX_MODE_SWITCH_IND = 0x30,
491 HTT_10_4_T2H_MSG_TYPE_PEER_STATS = 0x31,
492 /* keep this last */
493 HTT_10_4_T2H_NUM_MSGS
494};
495
496enum htt_t2h_msg_type {
497 HTT_T2H_MSG_TYPE_VERSION_CONF,
498 HTT_T2H_MSG_TYPE_RX_IND,
499 HTT_T2H_MSG_TYPE_RX_FLUSH,
500 HTT_T2H_MSG_TYPE_PEER_MAP,
501 HTT_T2H_MSG_TYPE_PEER_UNMAP,
502 HTT_T2H_MSG_TYPE_RX_ADDBA,
503 HTT_T2H_MSG_TYPE_RX_DELBA,
504 HTT_T2H_MSG_TYPE_TX_COMPL_IND,
505 HTT_T2H_MSG_TYPE_PKTLOG,
506 HTT_T2H_MSG_TYPE_STATS_CONF,
507 HTT_T2H_MSG_TYPE_RX_FRAG_IND,
508 HTT_T2H_MSG_TYPE_SEC_IND,
509 HTT_T2H_MSG_TYPE_RC_UPDATE_IND,
510 HTT_T2H_MSG_TYPE_TX_INSPECT_IND,
511 HTT_T2H_MSG_TYPE_MGMT_TX_COMPLETION,
512 HTT_T2H_MSG_TYPE_TX_CREDIT_UPDATE_IND,
513 HTT_T2H_MSG_TYPE_RX_PN_IND,
514 HTT_T2H_MSG_TYPE_RX_OFFLOAD_DELIVER_IND,
515 HTT_T2H_MSG_TYPE_RX_IN_ORD_PADDR_IND,
516 HTT_T2H_MSG_TYPE_WDI_IPA_OP_RESPONSE,
517 HTT_T2H_MSG_TYPE_CHAN_CHANGE,
518 HTT_T2H_MSG_TYPE_RX_OFLD_PKT_ERR,
519 HTT_T2H_MSG_TYPE_AGGR_CONF,
520 HTT_T2H_MSG_TYPE_STATS_NOUPLOAD,
521 HTT_T2H_MSG_TYPE_TEST,
522 HTT_T2H_MSG_TYPE_EN_STATS,
523 HTT_T2H_MSG_TYPE_TX_FETCH_IND,
524 HTT_T2H_MSG_TYPE_TX_FETCH_CONFIRM,
525 HTT_T2H_MSG_TYPE_TX_MODE_SWITCH_IND,
526 HTT_T2H_MSG_TYPE_PEER_STATS,
527 /* keep this last */
528 HTT_T2H_NUM_MSGS
529};
530
531/*
532 * htt_resp_hdr - header for target-to-host messages
533 *
534 * msg_type: see htt_t2h_msg_type
535 */
536struct htt_resp_hdr {
537 u8 msg_type;
538} __packed;
539
540#define HTT_RESP_HDR_MSG_TYPE_OFFSET 0
541#define HTT_RESP_HDR_MSG_TYPE_MASK 0xff
542#define HTT_RESP_HDR_MSG_TYPE_LSB 0
543
544/* htt_ver_resp - response sent for htt_ver_req */
545struct htt_ver_resp {
546 u8 minor;
547 u8 major;
548 u8 rsvd0;
549} __packed;
550
551#define HTT_MGMT_TX_CMPL_FLAG_ACK_RSSI BIT(0)
552
553#define HTT_MGMT_TX_CMPL_INFO_ACK_RSSI_MASK GENMASK(7, 0)
554
555struct htt_mgmt_tx_completion {
556 u8 rsvd0;
557 u8 rsvd1;
558 u8 flags;
559 __le32 desc_id;
560 __le32 status;
561 __le32 ppdu_id;
562 __le32 info;
563} __packed;
564
565#define HTT_RX_INDICATION_INFO0_EXT_TID_MASK (0x1F)
566#define HTT_RX_INDICATION_INFO0_EXT_TID_LSB (0)
567#define HTT_RX_INDICATION_INFO0_FLUSH_VALID (1 << 5)
568#define HTT_RX_INDICATION_INFO0_RELEASE_VALID (1 << 6)
569#define HTT_RX_INDICATION_INFO0_PPDU_DURATION BIT(7)
570
571#define HTT_RX_INDICATION_INFO1_FLUSH_START_SEQNO_MASK 0x0000003F
572#define HTT_RX_INDICATION_INFO1_FLUSH_START_SEQNO_LSB 0
573#define HTT_RX_INDICATION_INFO1_FLUSH_END_SEQNO_MASK 0x00000FC0
574#define HTT_RX_INDICATION_INFO1_FLUSH_END_SEQNO_LSB 6
575#define HTT_RX_INDICATION_INFO1_RELEASE_START_SEQNO_MASK 0x0003F000
576#define HTT_RX_INDICATION_INFO1_RELEASE_START_SEQNO_LSB 12
577#define HTT_RX_INDICATION_INFO1_RELEASE_END_SEQNO_MASK 0x00FC0000
578#define HTT_RX_INDICATION_INFO1_RELEASE_END_SEQNO_LSB 18
579#define HTT_RX_INDICATION_INFO1_NUM_MPDU_RANGES_MASK 0xFF000000
580#define HTT_RX_INDICATION_INFO1_NUM_MPDU_RANGES_LSB 24
581
582#define HTT_TX_CMPL_FLAG_DATA_RSSI BIT(0)
583#define HTT_TX_CMPL_FLAG_PPID_PRESENT BIT(1)
584#define HTT_TX_CMPL_FLAG_PA_PRESENT BIT(2)
585#define HTT_TX_CMPL_FLAG_PPDU_DURATION_PRESENT BIT(3)
586
587#define HTT_TX_DATA_RSSI_ENABLE_WCN3990 BIT(3)
588#define HTT_TX_DATA_APPEND_RETRIES BIT(0)
589#define HTT_TX_DATA_APPEND_TIMESTAMP BIT(1)
590
591struct htt_rx_indication_hdr {
592 u8 info0; /* %HTT_RX_INDICATION_INFO0_ */
593 __le16 peer_id;
594 __le32 info1; /* %HTT_RX_INDICATION_INFO1_ */
595} __packed;
596
597#define HTT_RX_INDICATION_INFO0_PHY_ERR_VALID (1 << 0)
598#define HTT_RX_INDICATION_INFO0_LEGACY_RATE_MASK (0x1E)
599#define HTT_RX_INDICATION_INFO0_LEGACY_RATE_LSB (1)
600#define HTT_RX_INDICATION_INFO0_LEGACY_RATE_CCK (1 << 5)
601#define HTT_RX_INDICATION_INFO0_END_VALID (1 << 6)
602#define HTT_RX_INDICATION_INFO0_START_VALID (1 << 7)
603
604#define HTT_RX_INDICATION_INFO1_VHT_SIG_A1_MASK 0x00FFFFFF
605#define HTT_RX_INDICATION_INFO1_VHT_SIG_A1_LSB 0
606#define HTT_RX_INDICATION_INFO1_PREAMBLE_TYPE_MASK 0xFF000000
607#define HTT_RX_INDICATION_INFO1_PREAMBLE_TYPE_LSB 24
608
609#define HTT_RX_INDICATION_INFO2_VHT_SIG_A1_MASK 0x00FFFFFF
610#define HTT_RX_INDICATION_INFO2_VHT_SIG_A1_LSB 0
611#define HTT_RX_INDICATION_INFO2_SERVICE_MASK 0xFF000000
612#define HTT_RX_INDICATION_INFO2_SERVICE_LSB 24
613
614enum htt_rx_legacy_rate {
615 HTT_RX_OFDM_48 = 0,
616 HTT_RX_OFDM_24 = 1,
617 HTT_RX_OFDM_12,
618 HTT_RX_OFDM_6,
619 HTT_RX_OFDM_54,
620 HTT_RX_OFDM_36,
621 HTT_RX_OFDM_18,
622 HTT_RX_OFDM_9,
623
624 /* long preamble */
625 HTT_RX_CCK_11_LP = 0,
626 HTT_RX_CCK_5_5_LP = 1,
627 HTT_RX_CCK_2_LP,
628 HTT_RX_CCK_1_LP,
629 /* short preamble */
630 HTT_RX_CCK_11_SP,
631 HTT_RX_CCK_5_5_SP,
632 HTT_RX_CCK_2_SP
633};
634
635enum htt_rx_legacy_rate_type {
636 HTT_RX_LEGACY_RATE_OFDM = 0,
637 HTT_RX_LEGACY_RATE_CCK
638};
639
640enum htt_rx_preamble_type {
641 HTT_RX_LEGACY = 0x4,
642 HTT_RX_HT = 0x8,
643 HTT_RX_HT_WITH_TXBF = 0x9,
644 HTT_RX_VHT = 0xC,
645 HTT_RX_VHT_WITH_TXBF = 0xD,
646};
647
648/*
649 * Fields: phy_err_valid, phy_err_code, tsf,
650 * usec_timestamp, sub_usec_timestamp
651 * ..are valid only if end_valid == 1.
652 *
653 * Fields: rssi_chains, legacy_rate_type,
654 * legacy_rate_cck, preamble_type, service,
655 * vht_sig_*
656 * ..are valid only if start_valid == 1;
657 */
658struct htt_rx_indication_ppdu {
659 u8 combined_rssi;
660 u8 sub_usec_timestamp;
661 u8 phy_err_code;
662 u8 info0; /* HTT_RX_INDICATION_INFO0_ */
663 struct {
664 u8 pri20_db;
665 u8 ext20_db;
666 u8 ext40_db;
667 u8 ext80_db;
668 } __packed rssi_chains[4];
669 __le32 tsf;
670 __le32 usec_timestamp;
671 __le32 info1; /* HTT_RX_INDICATION_INFO1_ */
672 __le32 info2; /* HTT_RX_INDICATION_INFO2_ */
673} __packed;
674
675enum htt_rx_mpdu_status {
676 HTT_RX_IND_MPDU_STATUS_UNKNOWN = 0x0,
677 HTT_RX_IND_MPDU_STATUS_OK,
678 HTT_RX_IND_MPDU_STATUS_ERR_FCS,
679 HTT_RX_IND_MPDU_STATUS_ERR_DUP,
680 HTT_RX_IND_MPDU_STATUS_ERR_REPLAY,
681 HTT_RX_IND_MPDU_STATUS_ERR_INV_PEER,
682 /* only accept EAPOL frames */
683 HTT_RX_IND_MPDU_STATUS_UNAUTH_PEER,
684 HTT_RX_IND_MPDU_STATUS_OUT_OF_SYNC,
685 /* Non-data in promiscuous mode */
686 HTT_RX_IND_MPDU_STATUS_MGMT_CTRL,
687 HTT_RX_IND_MPDU_STATUS_TKIP_MIC_ERR,
688 HTT_RX_IND_MPDU_STATUS_DECRYPT_ERR,
689 HTT_RX_IND_MPDU_STATUS_MPDU_LENGTH_ERR,
690 HTT_RX_IND_MPDU_STATUS_ENCRYPT_REQUIRED_ERR,
691 HTT_RX_IND_MPDU_STATUS_PRIVACY_ERR,
692
693 /*
694 * MISC: discard for unspecified reasons.
695 * Leave this enum value last.
696 */
697 HTT_RX_IND_MPDU_STATUS_ERR_MISC = 0xFF
698};
699
700struct htt_rx_indication_mpdu_range {
701 u8 mpdu_count;
702 u8 mpdu_range_status; /* %htt_rx_mpdu_status */
703 u8 pad0;
704 u8 pad1;
705} __packed;
706
707struct htt_rx_indication_prefix {
708 __le16 fw_rx_desc_bytes;
709 u8 pad0;
710 u8 pad1;
711} __packed;
712
713struct htt_rx_indication {
714 struct htt_rx_indication_hdr hdr;
715 struct htt_rx_indication_ppdu ppdu;
716 struct htt_rx_indication_prefix prefix;
717
718 /*
719 * the following fields are both dynamically sized, so
720 * take care addressing them
721 */
722
723 /* the size of this is %fw_rx_desc_bytes */
724 struct fw_rx_desc_base fw_desc;
725
726 /*
727 * %mpdu_ranges starts after &%prefix + roundup(%fw_rx_desc_bytes, 4)
728 * and has %num_mpdu_ranges elements.
729 */
730 struct htt_rx_indication_mpdu_range mpdu_ranges[];
731} __packed;
732
733/* High latency version of the RX indication */
734struct htt_rx_indication_hl {
735 struct htt_rx_indication_hdr hdr;
736 struct htt_rx_indication_ppdu ppdu;
737 struct htt_rx_indication_prefix prefix;
738 struct fw_rx_desc_hl fw_desc;
739 struct htt_rx_indication_mpdu_range mpdu_ranges[];
740} __packed;
741
742struct htt_hl_rx_desc {
743 __le32 info;
744 __le32 pn_31_0;
745 union {
746 struct {
747 __le16 pn_47_32;
748 __le16 pn_63_48;
749 } pn16;
750 __le32 pn_63_32;
751 } u0;
752 __le32 pn_95_64;
753 __le32 pn_127_96;
754} __packed;
755
756static inline struct htt_rx_indication_mpdu_range *
757 htt_rx_ind_get_mpdu_ranges(struct htt_rx_indication *rx_ind)
758{
759 void *ptr = rx_ind;
760
761 ptr += sizeof(rx_ind->hdr)
762 + sizeof(rx_ind->ppdu)
763 + sizeof(rx_ind->prefix)
764 + roundup(__le16_to_cpu(rx_ind->prefix.fw_rx_desc_bytes), 4);
765 return ptr;
766}
767
768static inline struct htt_rx_indication_mpdu_range *
769 htt_rx_ind_get_mpdu_ranges_hl(struct htt_rx_indication_hl *rx_ind)
770{
771 void *ptr = rx_ind;
772
773 ptr += sizeof(rx_ind->hdr)
774 + sizeof(rx_ind->ppdu)
775 + sizeof(rx_ind->prefix)
776 + sizeof(rx_ind->fw_desc);
777 return ptr;
778}
779
780enum htt_rx_flush_mpdu_status {
781 HTT_RX_FLUSH_MPDU_DISCARD = 0,
782 HTT_RX_FLUSH_MPDU_REORDER = 1,
783};
784
785/*
786 * htt_rx_flush - discard or reorder given range of mpdus
787 *
788 * Note: host must check if all sequence numbers between
789 * [seq_num_start, seq_num_end-1] are valid.
790 */
791struct htt_rx_flush {
792 __le16 peer_id;
793 u8 tid;
794 u8 rsvd0;
795 u8 mpdu_status; /* %htt_rx_flush_mpdu_status */
796 u8 seq_num_start; /* it is 6 LSBs of 802.11 seq no */
797 u8 seq_num_end; /* it is 6 LSBs of 802.11 seq no */
798};
799
800struct htt_rx_peer_map {
801 u8 vdev_id;
802 __le16 peer_id;
803 u8 addr[6];
804 u8 rsvd0;
805 u8 rsvd1;
806} __packed;
807
808struct htt_rx_peer_unmap {
809 u8 rsvd0;
810 __le16 peer_id;
811} __packed;
812
813enum htt_txrx_sec_cast_type {
814 HTT_TXRX_SEC_MCAST = 0,
815 HTT_TXRX_SEC_UCAST
816};
817
818enum htt_rx_pn_check_type {
819 HTT_RX_NON_PN_CHECK = 0,
820 HTT_RX_PN_CHECK
821};
822
823enum htt_rx_tkip_demic_type {
824 HTT_RX_NON_TKIP_MIC = 0,
825 HTT_RX_TKIP_MIC
826};
827
828enum htt_security_types {
829 HTT_SECURITY_NONE,
830 HTT_SECURITY_WEP128,
831 HTT_SECURITY_WEP104,
832 HTT_SECURITY_WEP40,
833 HTT_SECURITY_TKIP,
834 HTT_SECURITY_TKIP_NOMIC,
835 HTT_SECURITY_AES_CCMP,
836 HTT_SECURITY_WAPI,
837
838 HTT_NUM_SECURITY_TYPES /* keep this last! */
839};
840
841#define ATH10K_HTT_TXRX_PEER_SECURITY_MAX 2
842#define ATH10K_TXRX_NUM_EXT_TIDS 19
843#define ATH10K_TXRX_NON_QOS_TID 16
844
845enum htt_security_flags {
846#define HTT_SECURITY_TYPE_MASK 0x7F
847#define HTT_SECURITY_TYPE_LSB 0
848 HTT_SECURITY_IS_UNICAST = 1 << 7
849};
850
851struct htt_security_indication {
852 union {
853 /* dont use bitfields; undefined behaviour */
854 u8 flags; /* %htt_security_flags */
855 struct {
856 u8 security_type:7, /* %htt_security_types */
857 is_unicast:1;
858 } __packed;
859 } __packed;
860 __le16 peer_id;
861 u8 michael_key[8];
862 u8 wapi_rsc[16];
863} __packed;
864
865#define HTT_RX_BA_INFO0_TID_MASK 0x000F
866#define HTT_RX_BA_INFO0_TID_LSB 0
867#define HTT_RX_BA_INFO0_PEER_ID_MASK 0xFFF0
868#define HTT_RX_BA_INFO0_PEER_ID_LSB 4
869
870struct htt_rx_addba {
871 u8 window_size;
872 __le16 info0; /* %HTT_RX_BA_INFO0_ */
873} __packed;
874
875struct htt_rx_delba {
876 u8 rsvd0;
877 __le16 info0; /* %HTT_RX_BA_INFO0_ */
878} __packed;
879
880enum htt_data_tx_status {
881 HTT_DATA_TX_STATUS_OK = 0,
882 HTT_DATA_TX_STATUS_DISCARD = 1,
883 HTT_DATA_TX_STATUS_NO_ACK = 2,
884 HTT_DATA_TX_STATUS_POSTPONE = 3 /* HL only */
885};
886
887enum htt_data_tx_flags {
888#define HTT_DATA_TX_STATUS_MASK 0x07
889#define HTT_DATA_TX_STATUS_LSB 0
890#define HTT_DATA_TX_TID_MASK 0x78
891#define HTT_DATA_TX_TID_LSB 3
892 HTT_DATA_TX_TID_INVALID = 1 << 7
893};
894
895#define HTT_TX_COMPL_INV_MSDU_ID 0xFFFF
896
897struct htt_append_retries {
898 __le16 msdu_id;
899 u8 tx_retries;
900 u8 flag;
901} __packed;
902
903struct htt_data_tx_completion_ext {
904 struct htt_append_retries a_retries;
905 __le32 t_stamp;
906 __le16 msdus_rssi[];
907} __packed;
908
909/**
910 * @brief target -> host TX completion indication message definition
911 *
912 * @details
913 * The following diagram shows the format of the TX completion indication sent
914 * from the target to the host
915 *
916 * |31 28|27|26|25|24|23 16| 15 |14 11|10 8|7 0|
917 * |-------------------------------------------------------------|
918 * header: |rsvd |A2|TP|A1|A0| num | t_i| tid |status| msg_type |
919 * |-------------------------------------------------------------|
920 * payload: | MSDU1 ID | MSDU0 ID |
921 * |-------------------------------------------------------------|
922 * : MSDU3 ID : MSDU2 ID :
923 * |-------------------------------------------------------------|
924 * | struct htt_tx_compl_ind_append_retries |
925 * |- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -|
926 * | struct htt_tx_compl_ind_append_tx_tstamp |
927 * |- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -|
928 * | MSDU1 ACK RSSI | MSDU0 ACK RSSI |
929 * |-------------------------------------------------------------|
930 * : MSDU3 ACK RSSI : MSDU2 ACK RSSI :
931 * |- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -|
932 * -msg_type
933 * Bits 7:0
934 * Purpose: identifies this as HTT TX completion indication
935 * -status
936 * Bits 10:8
937 * Purpose: the TX completion status of payload fragmentations descriptors
938 * Value: could be HTT_TX_COMPL_IND_STAT_OK or HTT_TX_COMPL_IND_STAT_DISCARD
939 * -tid
940 * Bits 14:11
941 * Purpose: the tid associated with those fragmentation descriptors. It is
942 * valid or not, depending on the tid_invalid bit.
943 * Value: 0 to 15
944 * -tid_invalid
945 * Bits 15:15
946 * Purpose: this bit indicates whether the tid field is valid or not
947 * Value: 0 indicates valid, 1 indicates invalid
948 * -num
949 * Bits 23:16
950 * Purpose: the number of payload in this indication
951 * Value: 1 to 255
952 * -A0 = append
953 * Bits 24:24
954 * Purpose: append the struct htt_tx_compl_ind_append_retries which contains
955 * the number of tx retries for one MSDU at the end of this message
956 * Value: 0 indicates no appending, 1 indicates appending
957 * -A1 = append1
958 * Bits 25:25
959 * Purpose: Append the struct htt_tx_compl_ind_append_tx_tstamp which
960 * contains the timestamp info for each TX msdu id in payload.
961 * Value: 0 indicates no appending, 1 indicates appending
962 * -TP = MSDU tx power presence
963 * Bits 26:26
964 * Purpose: Indicate whether the TX_COMPL_IND includes a tx power report
965 * for each MSDU referenced by the TX_COMPL_IND message.
966 * The order of the per-MSDU tx power reports matches the order
967 * of the MSDU IDs.
968 * Value: 0 indicates not appending, 1 indicates appending
969 * -A2 = append2
970 * Bits 27:27
971 * Purpose: Indicate whether data ACK RSSI is appended for each MSDU in
972 * TX_COMP_IND message. The order of the per-MSDU ACK RSSI report
973 * matches the order of the MSDU IDs.
974 * The ACK RSSI values are valid when status is COMPLETE_OK (and
975 * this append2 bit is set).
976 * Value: 0 indicates not appending, 1 indicates appending
977 */
978
979struct htt_data_tx_completion {
980 union {
981 u8 flags;
982 struct {
983 u8 status:3,
984 tid:4,
985 tid_invalid:1;
986 } __packed;
987 } __packed;
988 u8 num_msdus;
989 u8 flags2; /* HTT_TX_CMPL_FLAG_DATA_RSSI */
990 __le16 msdus[]; /* variable length based on %num_msdus */
991} __packed;
992
993#define HTT_TX_PPDU_DUR_INFO0_PEER_ID_MASK GENMASK(15, 0)
994#define HTT_TX_PPDU_DUR_INFO0_TID_MASK GENMASK(20, 16)
995
996struct htt_data_tx_ppdu_dur {
997 __le32 info0; /* HTT_TX_PPDU_DUR_INFO0_ */
998 __le32 tx_duration; /* in usecs */
999} __packed;
1000
1001#define HTT_TX_COMPL_PPDU_DUR_INFO0_NUM_ENTRIES_MASK GENMASK(7, 0)
1002
1003struct htt_data_tx_compl_ppdu_dur {
1004 __le32 info0; /* HTT_TX_COMPL_PPDU_DUR_INFO0_ */
1005 struct htt_data_tx_ppdu_dur ppdu_dur[];
1006} __packed;
1007
1008struct htt_tx_compl_ind_base {
1009 u32 hdr;
1010 u16 payload[1/*or more*/];
1011} __packed;
1012
1013struct htt_rc_tx_done_params {
1014 u32 rate_code;
1015 u32 rate_code_flags;
1016 u32 flags;
1017 u32 num_enqued; /* 1 for non-AMPDU */
1018 u32 num_retries;
1019 u32 num_failed; /* for AMPDU */
1020 u32 ack_rssi;
1021 u32 time_stamp;
1022 u32 is_probe;
1023};
1024
1025struct htt_rc_update {
1026 u8 vdev_id;
1027 __le16 peer_id;
1028 u8 addr[6];
1029 u8 num_elems;
1030 u8 rsvd0;
1031 struct htt_rc_tx_done_params params[]; /* variable length %num_elems */
1032} __packed;
1033
1034/* see htt_rx_indication for similar fields and descriptions */
1035struct htt_rx_fragment_indication {
1036 union {
1037 u8 info0; /* %HTT_RX_FRAG_IND_INFO0_ */
1038 struct {
1039 u8 ext_tid:5,
1040 flush_valid:1;
1041 } __packed;
1042 } __packed;
1043 __le16 peer_id;
1044 __le32 info1; /* %HTT_RX_FRAG_IND_INFO1_ */
1045 __le16 fw_rx_desc_bytes;
1046 __le16 rsvd0;
1047
1048 u8 fw_msdu_rx_desc[];
1049} __packed;
1050
1051#define ATH10K_IEEE80211_EXTIV BIT(5)
1052#define ATH10K_IEEE80211_TKIP_MICLEN 8 /* trailing MIC */
1053
1054#define HTT_RX_FRAG_IND_INFO0_HEADER_LEN 16
1055
1056#define HTT_RX_FRAG_IND_INFO0_EXT_TID_MASK 0x1F
1057#define HTT_RX_FRAG_IND_INFO0_EXT_TID_LSB 0
1058#define HTT_RX_FRAG_IND_INFO0_FLUSH_VALID_MASK 0x20
1059#define HTT_RX_FRAG_IND_INFO0_FLUSH_VALID_LSB 5
1060
1061#define HTT_RX_FRAG_IND_INFO1_FLUSH_SEQ_NUM_START_MASK 0x0000003F
1062#define HTT_RX_FRAG_IND_INFO1_FLUSH_SEQ_NUM_START_LSB 0
1063#define HTT_RX_FRAG_IND_INFO1_FLUSH_SEQ_NUM_END_MASK 0x00000FC0
1064#define HTT_RX_FRAG_IND_INFO1_FLUSH_SEQ_NUM_END_LSB 6
1065
1066struct htt_rx_pn_ind {
1067 __le16 peer_id;
1068 u8 tid;
1069 u8 seqno_start;
1070 u8 seqno_end;
1071 u8 pn_ie_count;
1072 u8 reserved;
1073 u8 pn_ies[];
1074} __packed;
1075
1076struct htt_rx_offload_msdu {
1077 __le16 msdu_len;
1078 __le16 peer_id;
1079 u8 vdev_id;
1080 u8 tid;
1081 u8 fw_desc;
1082 u8 payload[];
1083} __packed;
1084
1085struct htt_rx_offload_ind {
1086 u8 reserved;
1087 __le16 msdu_count;
1088} __packed;
1089
1090struct htt_rx_in_ord_msdu_desc {
1091 __le32 msdu_paddr;
1092 __le16 msdu_len;
1093 u8 fw_desc;
1094 u8 reserved;
1095} __packed;
1096
1097struct htt_rx_in_ord_msdu_desc_ext {
1098 __le64 msdu_paddr;
1099 __le16 msdu_len;
1100 u8 fw_desc;
1101 u8 reserved;
1102} __packed;
1103
1104struct htt_rx_in_ord_ind {
1105 u8 info;
1106 __le16 peer_id;
1107 u8 vdev_id;
1108 u8 reserved;
1109 __le16 msdu_count;
1110 union {
1111 DECLARE_FLEX_ARRAY(struct htt_rx_in_ord_msdu_desc,
1112 msdu_descs32);
1113 DECLARE_FLEX_ARRAY(struct htt_rx_in_ord_msdu_desc_ext,
1114 msdu_descs64);
1115 } __packed;
1116} __packed;
1117
1118#define HTT_RX_IN_ORD_IND_INFO_TID_MASK 0x0000001f
1119#define HTT_RX_IN_ORD_IND_INFO_TID_LSB 0
1120#define HTT_RX_IN_ORD_IND_INFO_OFFLOAD_MASK 0x00000020
1121#define HTT_RX_IN_ORD_IND_INFO_OFFLOAD_LSB 5
1122#define HTT_RX_IN_ORD_IND_INFO_FRAG_MASK 0x00000040
1123#define HTT_RX_IN_ORD_IND_INFO_FRAG_LSB 6
1124
1125/*
1126 * target -> host test message definition
1127 *
1128 * The following field definitions describe the format of the test
1129 * message sent from the target to the host.
1130 * The message consists of a 4-octet header, followed by a variable
1131 * number of 32-bit integer values, followed by a variable number
1132 * of 8-bit character values.
1133 *
1134 * |31 16|15 8|7 0|
1135 * |-----------------------------------------------------------|
1136 * | num chars | num ints | msg type |
1137 * |-----------------------------------------------------------|
1138 * | int 0 |
1139 * |-----------------------------------------------------------|
1140 * | int 1 |
1141 * |-----------------------------------------------------------|
1142 * | ... |
1143 * |-----------------------------------------------------------|
1144 * | char 3 | char 2 | char 1 | char 0 |
1145 * |-----------------------------------------------------------|
1146 * | | | ... | char 4 |
1147 * |-----------------------------------------------------------|
1148 * - MSG_TYPE
1149 * Bits 7:0
1150 * Purpose: identifies this as a test message
1151 * Value: HTT_MSG_TYPE_TEST
1152 * - NUM_INTS
1153 * Bits 15:8
1154 * Purpose: indicate how many 32-bit integers follow the message header
1155 * - NUM_CHARS
1156 * Bits 31:16
1157 * Purpose: indicate how many 8-bit characters follow the series of integers
1158 */
1159struct htt_rx_test {
1160 u8 num_ints;
1161 __le16 num_chars;
1162
1163 /* payload consists of 2 lists:
1164 * a) num_ints * sizeof(__le32)
1165 * b) num_chars * sizeof(u8) aligned to 4bytes
1166 */
1167 u8 payload[];
1168} __packed;
1169
1170static inline __le32 *htt_rx_test_get_ints(struct htt_rx_test *rx_test)
1171{
1172 return (__le32 *)rx_test->payload;
1173}
1174
1175static inline u8 *htt_rx_test_get_chars(struct htt_rx_test *rx_test)
1176{
1177 return rx_test->payload + (rx_test->num_ints * sizeof(__le32));
1178}
1179
1180/*
1181 * target -> host packet log message
1182 *
1183 * The following field definitions describe the format of the packet log
1184 * message sent from the target to the host.
1185 * The message consists of a 4-octet header,followed by a variable number
1186 * of 32-bit character values.
1187 *
1188 * |31 24|23 16|15 8|7 0|
1189 * |-----------------------------------------------------------|
1190 * | | | | msg type |
1191 * |-----------------------------------------------------------|
1192 * | payload |
1193 * |-----------------------------------------------------------|
1194 * - MSG_TYPE
1195 * Bits 7:0
1196 * Purpose: identifies this as a test message
1197 * Value: HTT_MSG_TYPE_PACKETLOG
1198 */
1199struct htt_pktlog_msg {
1200 u8 pad[3];
1201 u8 payload[];
1202} __packed;
1203
1204struct htt_dbg_stats_rx_reorder_stats {
1205 /* Non QoS MPDUs received */
1206 __le32 deliver_non_qos;
1207
1208 /* MPDUs received in-order */
1209 __le32 deliver_in_order;
1210
1211 /* Flush due to reorder timer expired */
1212 __le32 deliver_flush_timeout;
1213
1214 /* Flush due to move out of window */
1215 __le32 deliver_flush_oow;
1216
1217 /* Flush due to DELBA */
1218 __le32 deliver_flush_delba;
1219
1220 /* MPDUs dropped due to FCS error */
1221 __le32 fcs_error;
1222
1223 /* MPDUs dropped due to monitor mode non-data packet */
1224 __le32 mgmt_ctrl;
1225
1226 /* MPDUs dropped due to invalid peer */
1227 __le32 invalid_peer;
1228
1229 /* MPDUs dropped due to duplication (non aggregation) */
1230 __le32 dup_non_aggr;
1231
1232 /* MPDUs dropped due to processed before */
1233 __le32 dup_past;
1234
1235 /* MPDUs dropped due to duplicate in reorder queue */
1236 __le32 dup_in_reorder;
1237
1238 /* Reorder timeout happened */
1239 __le32 reorder_timeout;
1240
1241 /* invalid bar ssn */
1242 __le32 invalid_bar_ssn;
1243
1244 /* reorder reset due to bar ssn */
1245 __le32 ssn_reset;
1246};
1247
1248struct htt_dbg_stats_wal_tx_stats {
1249 /* Num HTT cookies queued to dispatch list */
1250 __le32 comp_queued;
1251
1252 /* Num HTT cookies dispatched */
1253 __le32 comp_delivered;
1254
1255 /* Num MSDU queued to WAL */
1256 __le32 msdu_enqued;
1257
1258 /* Num MPDU queue to WAL */
1259 __le32 mpdu_enqued;
1260
1261 /* Num MSDUs dropped by WMM limit */
1262 __le32 wmm_drop;
1263
1264 /* Num Local frames queued */
1265 __le32 local_enqued;
1266
1267 /* Num Local frames done */
1268 __le32 local_freed;
1269
1270 /* Num queued to HW */
1271 __le32 hw_queued;
1272
1273 /* Num PPDU reaped from HW */
1274 __le32 hw_reaped;
1275
1276 /* Num underruns */
1277 __le32 underrun;
1278
1279 /* Num PPDUs cleaned up in TX abort */
1280 __le32 tx_abort;
1281
1282 /* Num MPDUs requeued by SW */
1283 __le32 mpdus_requeued;
1284
1285 /* excessive retries */
1286 __le32 tx_ko;
1287
1288 /* data hw rate code */
1289 __le32 data_rc;
1290
1291 /* Scheduler self triggers */
1292 __le32 self_triggers;
1293
1294 /* frames dropped due to excessive sw retries */
1295 __le32 sw_retry_failure;
1296
1297 /* illegal rate phy errors */
1298 __le32 illgl_rate_phy_err;
1299
1300 /* wal pdev continuous xretry */
1301 __le32 pdev_cont_xretry;
1302
1303 /* wal pdev continuous xretry */
1304 __le32 pdev_tx_timeout;
1305
1306 /* wal pdev resets */
1307 __le32 pdev_resets;
1308
1309 __le32 phy_underrun;
1310
1311 /* MPDU is more than txop limit */
1312 __le32 txop_ovf;
1313} __packed;
1314
1315struct htt_dbg_stats_wal_rx_stats {
1316 /* Cnts any change in ring routing mid-ppdu */
1317 __le32 mid_ppdu_route_change;
1318
1319 /* Total number of statuses processed */
1320 __le32 status_rcvd;
1321
1322 /* Extra frags on rings 0-3 */
1323 __le32 r0_frags;
1324 __le32 r1_frags;
1325 __le32 r2_frags;
1326 __le32 r3_frags;
1327
1328 /* MSDUs / MPDUs delivered to HTT */
1329 __le32 htt_msdus;
1330 __le32 htt_mpdus;
1331
1332 /* MSDUs / MPDUs delivered to local stack */
1333 __le32 loc_msdus;
1334 __le32 loc_mpdus;
1335
1336 /* AMSDUs that have more MSDUs than the status ring size */
1337 __le32 oversize_amsdu;
1338
1339 /* Number of PHY errors */
1340 __le32 phy_errs;
1341
1342 /* Number of PHY errors drops */
1343 __le32 phy_err_drop;
1344
1345 /* Number of mpdu errors - FCS, MIC, ENC etc. */
1346 __le32 mpdu_errs;
1347} __packed;
1348
1349struct htt_dbg_stats_wal_peer_stats {
1350 __le32 dummy; /* REMOVE THIS ONCE REAL PEER STAT COUNTERS ARE ADDED */
1351} __packed;
1352
1353struct htt_dbg_stats_wal_pdev_txrx {
1354 struct htt_dbg_stats_wal_tx_stats tx_stats;
1355 struct htt_dbg_stats_wal_rx_stats rx_stats;
1356 struct htt_dbg_stats_wal_peer_stats peer_stats;
1357} __packed;
1358
1359struct htt_dbg_stats_rx_rate_info {
1360 __le32 mcs[10];
1361 __le32 sgi[10];
1362 __le32 nss[4];
1363 __le32 stbc[10];
1364 __le32 bw[3];
1365 __le32 pream[6];
1366 __le32 ldpc;
1367 __le32 txbf;
1368};
1369
1370/*
1371 * htt_dbg_stats_status -
1372 * present - The requested stats have been delivered in full.
1373 * This indicates that either the stats information was contained
1374 * in its entirety within this message, or else this message
1375 * completes the delivery of the requested stats info that was
1376 * partially delivered through earlier STATS_CONF messages.
1377 * partial - The requested stats have been delivered in part.
1378 * One or more subsequent STATS_CONF messages with the same
1379 * cookie value will be sent to deliver the remainder of the
1380 * information.
1381 * error - The requested stats could not be delivered, for example due
1382 * to a shortage of memory to construct a message holding the
1383 * requested stats.
1384 * invalid - The requested stat type is either not recognized, or the
1385 * target is configured to not gather the stats type in question.
1386 * - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
1387 * series_done - This special value indicates that no further stats info
1388 * elements are present within a series of stats info elems
1389 * (within a stats upload confirmation message).
1390 */
1391enum htt_dbg_stats_status {
1392 HTT_DBG_STATS_STATUS_PRESENT = 0,
1393 HTT_DBG_STATS_STATUS_PARTIAL = 1,
1394 HTT_DBG_STATS_STATUS_ERROR = 2,
1395 HTT_DBG_STATS_STATUS_INVALID = 3,
1396 HTT_DBG_STATS_STATUS_SERIES_DONE = 7
1397};
1398
1399/*
1400 * host -> target FRAG DESCRIPTOR/MSDU_EXT DESC bank
1401 *
1402 * The following field definitions describe the format of the HTT host
1403 * to target frag_desc/msdu_ext bank configuration message.
1404 * The message contains the based address and the min and max id of the
1405 * MSDU_EXT/FRAG_DESC that will be used by the HTT to map MSDU DESC and
1406 * MSDU_EXT/FRAG_DESC.
1407 * HTT will use id in HTT descriptor instead sending the frag_desc_ptr.
1408 * For QCA988X HW the firmware will use fragment_desc_ptr but in WIFI2.0
1409 * the hardware does the mapping/translation.
1410 *
1411 * Total banks that can be configured is configured to 16.
1412 *
1413 * This should be called before any TX has be initiated by the HTT
1414 *
1415 * |31 16|15 8|7 5|4 0|
1416 * |------------------------------------------------------------|
1417 * | DESC_SIZE | NUM_BANKS | RES |SWP|pdev| msg type |
1418 * |------------------------------------------------------------|
1419 * | BANK0_BASE_ADDRESS |
1420 * |------------------------------------------------------------|
1421 * | ... |
1422 * |------------------------------------------------------------|
1423 * | BANK15_BASE_ADDRESS |
1424 * |------------------------------------------------------------|
1425 * | BANK0_MAX_ID | BANK0_MIN_ID |
1426 * |------------------------------------------------------------|
1427 * | ... |
1428 * |------------------------------------------------------------|
1429 * | BANK15_MAX_ID | BANK15_MIN_ID |
1430 * |------------------------------------------------------------|
1431 * Header fields:
1432 * - MSG_TYPE
1433 * Bits 7:0
1434 * Value: 0x6
1435 * - BANKx_BASE_ADDRESS
1436 * Bits 31:0
1437 * Purpose: Provide a mechanism to specify the base address of the MSDU_EXT
1438 * bank physical/bus address.
1439 * - BANKx_MIN_ID
1440 * Bits 15:0
1441 * Purpose: Provide a mechanism to specify the min index that needs to
1442 * mapped.
1443 * - BANKx_MAX_ID
1444 * Bits 31:16
1445 * Purpose: Provide a mechanism to specify the max index that needs to
1446 *
1447 */
1448struct htt_frag_desc_bank_id {
1449 __le16 bank_min_id;
1450 __le16 bank_max_id;
1451} __packed;
1452
1453/* real is 16 but it wouldn't fit in the max htt message size
1454 * so we use a conservatively safe value for now
1455 */
1456#define HTT_FRAG_DESC_BANK_MAX 4
1457
1458#define HTT_FRAG_DESC_BANK_CFG_INFO_PDEV_ID_MASK 0x03
1459#define HTT_FRAG_DESC_BANK_CFG_INFO_PDEV_ID_LSB 0
1460#define HTT_FRAG_DESC_BANK_CFG_INFO_SWAP BIT(2)
1461#define HTT_FRAG_DESC_BANK_CFG_INFO_Q_STATE_VALID BIT(3)
1462#define HTT_FRAG_DESC_BANK_CFG_INFO_Q_STATE_DEPTH_TYPE_MASK BIT(4)
1463#define HTT_FRAG_DESC_BANK_CFG_INFO_Q_STATE_DEPTH_TYPE_LSB 4
1464
1465enum htt_q_depth_type {
1466 HTT_Q_DEPTH_TYPE_BYTES = 0,
1467 HTT_Q_DEPTH_TYPE_MSDUS = 1,
1468};
1469
1470#define HTT_TX_Q_STATE_NUM_PEERS (TARGET_10_4_NUM_QCACHE_PEERS_MAX + \
1471 TARGET_10_4_NUM_VDEVS)
1472#define HTT_TX_Q_STATE_NUM_TIDS 8
1473#define HTT_TX_Q_STATE_ENTRY_SIZE 1
1474#define HTT_TX_Q_STATE_ENTRY_MULTIPLIER 0
1475
1476/**
1477 * htt_q_state_conf - part of htt_frag_desc_bank_cfg for host q state config
1478 *
1479 * Defines host q state format and behavior. See htt_q_state.
1480 *
1481 * @record_size: Defines the size of each host q entry in bytes. In practice
1482 * however firmware (at least 10.4.3-00191) ignores this host
1483 * configuration value and uses hardcoded value of 1.
1484 * @record_multiplier: This is valid only when q depth type is MSDUs. It
1485 * defines the exponent for the power of 2 multiplication.
1486 */
1487struct htt_q_state_conf {
1488 __le32 paddr;
1489 __le16 num_peers;
1490 __le16 num_tids;
1491 u8 record_size;
1492 u8 record_multiplier;
1493 u8 pad[2];
1494} __packed;
1495
1496struct htt_frag_desc_bank_cfg32 {
1497 u8 info; /* HTT_FRAG_DESC_BANK_CFG_INFO_ */
1498 u8 num_banks;
1499 u8 desc_size;
1500 __le32 bank_base_addrs[HTT_FRAG_DESC_BANK_MAX];
1501 struct htt_frag_desc_bank_id bank_id[HTT_FRAG_DESC_BANK_MAX];
1502 struct htt_q_state_conf q_state;
1503} __packed;
1504
1505struct htt_frag_desc_bank_cfg64 {
1506 u8 info; /* HTT_FRAG_DESC_BANK_CFG_INFO_ */
1507 u8 num_banks;
1508 u8 desc_size;
1509 __le64 bank_base_addrs[HTT_FRAG_DESC_BANK_MAX];
1510 struct htt_frag_desc_bank_id bank_id[HTT_FRAG_DESC_BANK_MAX];
1511 struct htt_q_state_conf q_state;
1512} __packed;
1513
1514#define HTT_TX_Q_STATE_ENTRY_COEFFICIENT 128
1515#define HTT_TX_Q_STATE_ENTRY_FACTOR_MASK 0x3f
1516#define HTT_TX_Q_STATE_ENTRY_FACTOR_LSB 0
1517#define HTT_TX_Q_STATE_ENTRY_EXP_MASK 0xc0
1518#define HTT_TX_Q_STATE_ENTRY_EXP_LSB 6
1519
1520/**
1521 * htt_q_state - shared between host and firmware via DMA
1522 *
1523 * This structure is used for the host to expose it's software queue state to
1524 * firmware so that its rate control can schedule fetch requests for optimized
1525 * performance. This is most notably used for MU-MIMO aggregation when multiple
1526 * MU clients are connected.
1527 *
1528 * @count: Each element defines the host queue depth. When q depth type was
1529 * configured as HTT_Q_DEPTH_TYPE_BYTES then each entry is defined as:
1530 * FACTOR * 128 * 8^EXP (see HTT_TX_Q_STATE_ENTRY_FACTOR_MASK and
1531 * HTT_TX_Q_STATE_ENTRY_EXP_MASK). When q depth type was configured as
1532 * HTT_Q_DEPTH_TYPE_MSDUS the number of packets is scaled by 2 **
1533 * record_multiplier (see htt_q_state_conf).
1534 * @map: Used by firmware to quickly check which host queues are not empty. It
1535 * is a bitmap simply saying.
1536 * @seq: Used by firmware to quickly check if the host queues were updated
1537 * since it last checked.
1538 *
1539 * FIXME: Is the q_state map[] size calculation really correct?
1540 */
1541struct htt_q_state {
1542 u8 count[HTT_TX_Q_STATE_NUM_TIDS][HTT_TX_Q_STATE_NUM_PEERS];
1543 u32 map[HTT_TX_Q_STATE_NUM_TIDS][(HTT_TX_Q_STATE_NUM_PEERS + 31) / 32];
1544 __le32 seq;
1545} __packed;
1546
1547#define HTT_TX_FETCH_RECORD_INFO_PEER_ID_MASK 0x0fff
1548#define HTT_TX_FETCH_RECORD_INFO_PEER_ID_LSB 0
1549#define HTT_TX_FETCH_RECORD_INFO_TID_MASK 0xf000
1550#define HTT_TX_FETCH_RECORD_INFO_TID_LSB 12
1551
1552struct htt_tx_fetch_record {
1553 __le16 info; /* HTT_TX_FETCH_IND_RECORD_INFO_ */
1554 __le16 num_msdus;
1555 __le32 num_bytes;
1556} __packed;
1557
1558struct htt_tx_fetch_ind {
1559 u8 pad0;
1560 __le16 fetch_seq_num;
1561 __le32 token;
1562 __le16 num_resp_ids;
1563 __le16 num_records;
1564 union {
1565 /* ath10k_htt_get_tx_fetch_ind_resp_ids() */
1566 DECLARE_FLEX_ARRAY(__le32, resp_ids);
1567 DECLARE_FLEX_ARRAY(struct htt_tx_fetch_record, records);
1568 } __packed;
1569} __packed;
1570
1571static inline void *
1572ath10k_htt_get_tx_fetch_ind_resp_ids(struct htt_tx_fetch_ind *ind)
1573{
1574 return (void *)&ind->records[le16_to_cpu(ind->num_records)];
1575}
1576
1577struct htt_tx_fetch_resp {
1578 u8 pad0;
1579 __le16 resp_id;
1580 __le16 fetch_seq_num;
1581 __le16 num_records;
1582 __le32 token;
1583 struct htt_tx_fetch_record records[];
1584} __packed;
1585
1586struct htt_tx_fetch_confirm {
1587 u8 pad0;
1588 __le16 num_resp_ids;
1589 __le32 resp_ids[];
1590} __packed;
1591
1592enum htt_tx_mode_switch_mode {
1593 HTT_TX_MODE_SWITCH_PUSH = 0,
1594 HTT_TX_MODE_SWITCH_PUSH_PULL = 1,
1595};
1596
1597#define HTT_TX_MODE_SWITCH_IND_INFO0_ENABLE BIT(0)
1598#define HTT_TX_MODE_SWITCH_IND_INFO0_NUM_RECORDS_MASK 0xfffe
1599#define HTT_TX_MODE_SWITCH_IND_INFO0_NUM_RECORDS_LSB 1
1600
1601#define HTT_TX_MODE_SWITCH_IND_INFO1_MODE_MASK 0x0003
1602#define HTT_TX_MODE_SWITCH_IND_INFO1_MODE_LSB 0
1603#define HTT_TX_MODE_SWITCH_IND_INFO1_THRESHOLD_MASK 0xfffc
1604#define HTT_TX_MODE_SWITCH_IND_INFO1_THRESHOLD_LSB 2
1605
1606#define HTT_TX_MODE_SWITCH_RECORD_INFO0_PEER_ID_MASK 0x0fff
1607#define HTT_TX_MODE_SWITCH_RECORD_INFO0_PEER_ID_LSB 0
1608#define HTT_TX_MODE_SWITCH_RECORD_INFO0_TID_MASK 0xf000
1609#define HTT_TX_MODE_SWITCH_RECORD_INFO0_TID_LSB 12
1610
1611struct htt_tx_mode_switch_record {
1612 __le16 info0; /* HTT_TX_MODE_SWITCH_RECORD_INFO0_ */
1613 __le16 num_max_msdus;
1614} __packed;
1615
1616struct htt_tx_mode_switch_ind {
1617 u8 pad0;
1618 __le16 info0; /* HTT_TX_MODE_SWITCH_IND_INFO0_ */
1619 __le16 info1; /* HTT_TX_MODE_SWITCH_IND_INFO1_ */
1620 u8 pad1[2];
1621 struct htt_tx_mode_switch_record records[];
1622} __packed;
1623
1624struct htt_channel_change {
1625 u8 pad[3];
1626 __le32 freq;
1627 __le32 center_freq1;
1628 __le32 center_freq2;
1629 __le32 phymode;
1630} __packed;
1631
1632struct htt_per_peer_tx_stats_ind {
1633 __le32 succ_bytes;
1634 __le32 retry_bytes;
1635 __le32 failed_bytes;
1636 u8 ratecode;
1637 u8 flags;
1638 __le16 peer_id;
1639 __le16 succ_pkts;
1640 __le16 retry_pkts;
1641 __le16 failed_pkts;
1642 __le16 tx_duration;
1643 __le32 reserved1;
1644 __le32 reserved2;
1645} __packed;
1646
1647struct htt_peer_tx_stats {
1648 u8 num_ppdu;
1649 u8 ppdu_len;
1650 u8 version;
1651 u8 payload[];
1652} __packed;
1653
1654#define ATH10K_10_2_TX_STATS_OFFSET 136
1655#define PEER_STATS_FOR_NO_OF_PPDUS 4
1656
1657struct ath10k_10_2_peer_tx_stats {
1658 u8 ratecode[PEER_STATS_FOR_NO_OF_PPDUS];
1659 u8 success_pkts[PEER_STATS_FOR_NO_OF_PPDUS];
1660 __le16 success_bytes[PEER_STATS_FOR_NO_OF_PPDUS];
1661 u8 retry_pkts[PEER_STATS_FOR_NO_OF_PPDUS];
1662 __le16 retry_bytes[PEER_STATS_FOR_NO_OF_PPDUS];
1663 u8 failed_pkts[PEER_STATS_FOR_NO_OF_PPDUS];
1664 __le16 failed_bytes[PEER_STATS_FOR_NO_OF_PPDUS];
1665 u8 flags[PEER_STATS_FOR_NO_OF_PPDUS];
1666 __le32 tx_duration;
1667 u8 tx_ppdu_cnt;
1668 u8 peer_id;
1669} __packed;
1670
1671union htt_rx_pn_t {
1672 /* WEP: 24-bit PN */
1673 u32 pn24;
1674
1675 /* TKIP or CCMP: 48-bit PN */
1676 u64 pn48;
1677
1678 /* WAPI: 128-bit PN */
1679 u64 pn128[2];
1680};
1681
1682struct htt_cmd {
1683 struct htt_cmd_hdr hdr;
1684 union {
1685 struct htt_ver_req ver_req;
1686 struct htt_mgmt_tx_desc mgmt_tx;
1687 struct htt_data_tx_desc data_tx;
1688 struct htt_rx_ring_setup_32 rx_setup_32;
1689 struct htt_rx_ring_setup_64 rx_setup_64;
1690 struct htt_stats_req stats_req;
1691 struct htt_oob_sync_req oob_sync_req;
1692 struct htt_aggr_conf aggr_conf;
1693 struct htt_aggr_conf_v2 aggr_conf_v2;
1694 struct htt_frag_desc_bank_cfg32 frag_desc_bank_cfg32;
1695 struct htt_frag_desc_bank_cfg64 frag_desc_bank_cfg64;
1696 struct htt_tx_fetch_resp tx_fetch_resp;
1697 };
1698} __packed;
1699
1700struct htt_resp {
1701 struct htt_resp_hdr hdr;
1702 union {
1703 struct htt_ver_resp ver_resp;
1704 struct htt_mgmt_tx_completion mgmt_tx_completion;
1705 struct htt_data_tx_completion data_tx_completion;
1706 struct htt_rx_indication rx_ind;
1707 struct htt_rx_indication_hl rx_ind_hl;
1708 struct htt_rx_fragment_indication rx_frag_ind;
1709 struct htt_rx_peer_map peer_map;
1710 struct htt_rx_peer_unmap peer_unmap;
1711 struct htt_rx_flush rx_flush;
1712 struct htt_rx_addba rx_addba;
1713 struct htt_rx_delba rx_delba;
1714 struct htt_security_indication security_indication;
1715 struct htt_rc_update rc_update;
1716 struct htt_rx_test rx_test;
1717 struct htt_pktlog_msg pktlog_msg;
1718 struct htt_rx_pn_ind rx_pn_ind;
1719 struct htt_rx_offload_ind rx_offload_ind;
1720 struct htt_rx_in_ord_ind rx_in_ord_ind;
1721 struct htt_tx_fetch_ind tx_fetch_ind;
1722 struct htt_tx_fetch_confirm tx_fetch_confirm;
1723 struct htt_tx_mode_switch_ind tx_mode_switch_ind;
1724 struct htt_channel_change chan_change;
1725 struct htt_peer_tx_stats peer_tx_stats;
1726 } __packed;
1727} __packed;
1728
1729/*** host side structures follow ***/
1730
1731struct htt_tx_done {
1732 u16 msdu_id;
1733 u16 status;
1734 u8 ack_rssi;
1735};
1736
1737enum htt_tx_compl_state {
1738 HTT_TX_COMPL_STATE_NONE,
1739 HTT_TX_COMPL_STATE_ACK,
1740 HTT_TX_COMPL_STATE_NOACK,
1741 HTT_TX_COMPL_STATE_DISCARD,
1742};
1743
1744struct htt_peer_map_event {
1745 u8 vdev_id;
1746 u16 peer_id;
1747 u8 addr[ETH_ALEN];
1748};
1749
1750struct htt_peer_unmap_event {
1751 u16 peer_id;
1752};
1753
1754struct ath10k_htt_txbuf_32 {
1755 struct htt_data_tx_desc_frag frags[2];
1756 struct ath10k_htc_hdr htc_hdr;
1757 struct htt_cmd_hdr cmd_hdr;
1758 struct htt_data_tx_desc cmd_tx;
1759} __packed __aligned(4);
1760
1761struct ath10k_htt_txbuf_64 {
1762 struct htt_data_tx_desc_frag frags[2];
1763 struct ath10k_htc_hdr htc_hdr;
1764 struct htt_cmd_hdr cmd_hdr;
1765 struct htt_data_tx_desc_64 cmd_tx;
1766} __packed __aligned(4);
1767
1768struct ath10k_htt {
1769 struct ath10k *ar;
1770 enum ath10k_htc_ep_id eid;
1771
1772 struct sk_buff_head rx_indication_head;
1773
1774 u8 target_version_major;
1775 u8 target_version_minor;
1776 struct completion target_version_received;
1777 u8 max_num_amsdu;
1778 u8 max_num_ampdu;
1779
1780 const enum htt_t2h_msg_type *t2h_msg_types;
1781 u32 t2h_msg_types_max;
1782
1783 struct {
1784 /*
1785 * Ring of network buffer objects - This ring is
1786 * used exclusively by the host SW. This ring
1787 * mirrors the dev_addrs_ring that is shared
1788 * between the host SW and the MAC HW. The host SW
1789 * uses this netbufs ring to locate the network
1790 * buffer objects whose data buffers the HW has
1791 * filled.
1792 */
1793 struct sk_buff **netbufs_ring;
1794
1795 /* This is used only with firmware supporting IN_ORD_IND.
1796 *
1797 * With Full Rx Reorder the HTT Rx Ring is more of a temporary
1798 * buffer ring from which buffer addresses are copied by the
1799 * firmware to MAC Rx ring. Firmware then delivers IN_ORD_IND
1800 * pointing to specific (re-ordered) buffers.
1801 *
1802 * FIXME: With kernel generic hashing functions there's a lot
1803 * of hash collisions for sk_buffs.
1804 */
1805 bool in_ord_rx;
1806 DECLARE_HASHTABLE(skb_table, 4);
1807
1808 /*
1809 * Ring of buffer addresses -
1810 * This ring holds the "physical" device address of the
1811 * rx buffers the host SW provides for the MAC HW to
1812 * fill.
1813 */
1814 union {
1815 __le64 *paddrs_ring_64;
1816 __le32 *paddrs_ring_32;
1817 };
1818
1819 /*
1820 * Base address of ring, as a "physical" device address
1821 * rather than a CPU address.
1822 */
1823 dma_addr_t base_paddr;
1824
1825 /* how many elems in the ring (power of 2) */
1826 int size;
1827
1828 /* size - 1 */
1829 unsigned int size_mask;
1830
1831 /* how many rx buffers to keep in the ring */
1832 int fill_level;
1833
1834 /* how many rx buffers (full+empty) are in the ring */
1835 int fill_cnt;
1836
1837 /*
1838 * alloc_idx - where HTT SW has deposited empty buffers
1839 * This is allocated in consistent mem, so that the FW can
1840 * read this variable, and program the HW's FW_IDX reg with
1841 * the value of this shadow register.
1842 */
1843 struct {
1844 __le32 *vaddr;
1845 dma_addr_t paddr;
1846 } alloc_idx;
1847
1848 /* where HTT SW has processed bufs filled by rx MAC DMA */
1849 struct {
1850 unsigned int msdu_payld;
1851 } sw_rd_idx;
1852
1853 /*
1854 * refill_retry_timer - timer triggered when the ring is
1855 * not refilled to the level expected
1856 */
1857 struct timer_list refill_retry_timer;
1858
1859 /* Protects access to all rx ring buffer state variables */
1860 spinlock_t lock;
1861 } rx_ring;
1862
1863 unsigned int prefetch_len;
1864
1865 /* Protects access to pending_tx, num_pending_tx */
1866 spinlock_t tx_lock;
1867 int max_num_pending_tx;
1868 int num_pending_tx;
1869 int num_pending_mgmt_tx;
1870 struct idr pending_tx;
1871 wait_queue_head_t empty_tx_wq;
1872
1873 /* FIFO for storing tx done status {ack, no-ack, discard} and msdu id */
1874 DECLARE_KFIFO_PTR(txdone_fifo, struct htt_tx_done);
1875
1876 /* set if host-fw communication goes haywire
1877 * used to avoid further failures
1878 */
1879 bool rx_confused;
1880 atomic_t num_mpdus_ready;
1881
1882 /* This is used to group tx/rx completions separately and process them
1883 * in batches to reduce cache stalls
1884 */
1885 struct sk_buff_head rx_msdus_q;
1886 struct sk_buff_head rx_in_ord_compl_q;
1887 struct sk_buff_head tx_fetch_ind_q;
1888
1889 /* rx_status template */
1890 struct ieee80211_rx_status rx_status;
1891
1892 struct {
1893 dma_addr_t paddr;
1894 union {
1895 struct htt_msdu_ext_desc *vaddr_desc_32;
1896 struct htt_msdu_ext_desc_64 *vaddr_desc_64;
1897 };
1898 size_t size;
1899 } frag_desc;
1900
1901 struct {
1902 dma_addr_t paddr;
1903 union {
1904 struct ath10k_htt_txbuf_32 *vaddr_txbuff_32;
1905 struct ath10k_htt_txbuf_64 *vaddr_txbuff_64;
1906 };
1907 size_t size;
1908 } txbuf;
1909
1910 struct {
1911 bool enabled;
1912 struct htt_q_state *vaddr;
1913 dma_addr_t paddr;
1914 u16 num_push_allowed;
1915 u16 num_peers;
1916 u16 num_tids;
1917 enum htt_tx_mode_switch_mode mode;
1918 enum htt_q_depth_type type;
1919 } tx_q_state;
1920
1921 bool tx_mem_allocated;
1922 const struct ath10k_htt_tx_ops *tx_ops;
1923 const struct ath10k_htt_rx_ops *rx_ops;
1924 bool disable_tx_comp;
1925 bool bundle_tx;
1926 struct sk_buff_head tx_req_head;
1927 struct sk_buff_head tx_complete_head;
1928};
1929
1930struct ath10k_htt_tx_ops {
1931 int (*htt_send_rx_ring_cfg)(struct ath10k_htt *htt);
1932 int (*htt_send_frag_desc_bank_cfg)(struct ath10k_htt *htt);
1933 int (*htt_alloc_frag_desc)(struct ath10k_htt *htt);
1934 void (*htt_free_frag_desc)(struct ath10k_htt *htt);
1935 int (*htt_tx)(struct ath10k_htt *htt, enum ath10k_hw_txrx_mode txmode,
1936 struct sk_buff *msdu);
1937 int (*htt_alloc_txbuff)(struct ath10k_htt *htt);
1938 void (*htt_free_txbuff)(struct ath10k_htt *htt);
1939 int (*htt_h2t_aggr_cfg_msg)(struct ath10k_htt *htt,
1940 u8 max_subfrms_ampdu,
1941 u8 max_subfrms_amsdu);
1942 void (*htt_flush_tx)(struct ath10k_htt *htt);
1943};
1944
1945static inline int ath10k_htt_send_rx_ring_cfg(struct ath10k_htt *htt)
1946{
1947 if (!htt->tx_ops->htt_send_rx_ring_cfg)
1948 return -EOPNOTSUPP;
1949
1950 return htt->tx_ops->htt_send_rx_ring_cfg(htt);
1951}
1952
1953static inline int ath10k_htt_send_frag_desc_bank_cfg(struct ath10k_htt *htt)
1954{
1955 if (!htt->tx_ops->htt_send_frag_desc_bank_cfg)
1956 return -EOPNOTSUPP;
1957
1958 return htt->tx_ops->htt_send_frag_desc_bank_cfg(htt);
1959}
1960
1961static inline int ath10k_htt_alloc_frag_desc(struct ath10k_htt *htt)
1962{
1963 if (!htt->tx_ops->htt_alloc_frag_desc)
1964 return -EOPNOTSUPP;
1965
1966 return htt->tx_ops->htt_alloc_frag_desc(htt);
1967}
1968
1969static inline void ath10k_htt_free_frag_desc(struct ath10k_htt *htt)
1970{
1971 if (htt->tx_ops->htt_free_frag_desc)
1972 htt->tx_ops->htt_free_frag_desc(htt);
1973}
1974
1975static inline int ath10k_htt_tx(struct ath10k_htt *htt,
1976 enum ath10k_hw_txrx_mode txmode,
1977 struct sk_buff *msdu)
1978{
1979 return htt->tx_ops->htt_tx(htt, txmode, msdu);
1980}
1981
1982static inline void ath10k_htt_flush_tx(struct ath10k_htt *htt)
1983{
1984 if (htt->tx_ops->htt_flush_tx)
1985 htt->tx_ops->htt_flush_tx(htt);
1986}
1987
1988static inline int ath10k_htt_alloc_txbuff(struct ath10k_htt *htt)
1989{
1990 if (!htt->tx_ops->htt_alloc_txbuff)
1991 return -EOPNOTSUPP;
1992
1993 return htt->tx_ops->htt_alloc_txbuff(htt);
1994}
1995
1996static inline void ath10k_htt_free_txbuff(struct ath10k_htt *htt)
1997{
1998 if (htt->tx_ops->htt_free_txbuff)
1999 htt->tx_ops->htt_free_txbuff(htt);
2000}
2001
2002static inline int ath10k_htt_h2t_aggr_cfg_msg(struct ath10k_htt *htt,
2003 u8 max_subfrms_ampdu,
2004 u8 max_subfrms_amsdu)
2005
2006{
2007 if (!htt->tx_ops->htt_h2t_aggr_cfg_msg)
2008 return -EOPNOTSUPP;
2009
2010 return htt->tx_ops->htt_h2t_aggr_cfg_msg(htt,
2011 max_subfrms_ampdu,
2012 max_subfrms_amsdu);
2013}
2014
2015struct ath10k_htt_rx_ops {
2016 size_t (*htt_get_rx_ring_size)(struct ath10k_htt *htt);
2017 void (*htt_config_paddrs_ring)(struct ath10k_htt *htt, void *vaddr);
2018 void (*htt_set_paddrs_ring)(struct ath10k_htt *htt, dma_addr_t paddr,
2019 int idx);
2020 void* (*htt_get_vaddr_ring)(struct ath10k_htt *htt);
2021 void (*htt_reset_paddrs_ring)(struct ath10k_htt *htt, int idx);
2022 bool (*htt_rx_proc_rx_frag_ind)(struct ath10k_htt *htt,
2023 struct htt_rx_fragment_indication *rx,
2024 struct sk_buff *skb);
2025};
2026
2027static inline size_t ath10k_htt_get_rx_ring_size(struct ath10k_htt *htt)
2028{
2029 if (!htt->rx_ops->htt_get_rx_ring_size)
2030 return 0;
2031
2032 return htt->rx_ops->htt_get_rx_ring_size(htt);
2033}
2034
2035static inline void ath10k_htt_config_paddrs_ring(struct ath10k_htt *htt,
2036 void *vaddr)
2037{
2038 if (htt->rx_ops->htt_config_paddrs_ring)
2039 htt->rx_ops->htt_config_paddrs_ring(htt, vaddr);
2040}
2041
2042static inline void ath10k_htt_set_paddrs_ring(struct ath10k_htt *htt,
2043 dma_addr_t paddr,
2044 int idx)
2045{
2046 if (htt->rx_ops->htt_set_paddrs_ring)
2047 htt->rx_ops->htt_set_paddrs_ring(htt, paddr, idx);
2048}
2049
2050static inline void *ath10k_htt_get_vaddr_ring(struct ath10k_htt *htt)
2051{
2052 if (!htt->rx_ops->htt_get_vaddr_ring)
2053 return NULL;
2054
2055 return htt->rx_ops->htt_get_vaddr_ring(htt);
2056}
2057
2058static inline void ath10k_htt_reset_paddrs_ring(struct ath10k_htt *htt, int idx)
2059{
2060 if (htt->rx_ops->htt_reset_paddrs_ring)
2061 htt->rx_ops->htt_reset_paddrs_ring(htt, idx);
2062}
2063
2064static inline bool ath10k_htt_rx_proc_rx_frag_ind(struct ath10k_htt *htt,
2065 struct htt_rx_fragment_indication *rx,
2066 struct sk_buff *skb)
2067{
2068 if (!htt->rx_ops->htt_rx_proc_rx_frag_ind)
2069 return true;
2070
2071 return htt->rx_ops->htt_rx_proc_rx_frag_ind(htt, rx, skb);
2072}
2073
2074/* the driver strongly assumes that the rx header status be 64 bytes long,
2075 * so all possible rx_desc structures must respect this assumption.
2076 */
2077#define RX_HTT_HDR_STATUS_LEN 64
2078
2079/* The rx descriptor structure layout is programmed via rx ring setup
2080 * so that FW knows how to transfer the rx descriptor to the host.
2081 * Unfortunately, though, QCA6174's firmware doesn't currently behave correctly
2082 * when modifying the structure layout of the rx descriptor beyond what it expects
2083 * (even if it correctly programmed during the rx ring setup).
2084 * Therefore we must keep two different memory layouts, abstract the rx descriptor
2085 * representation and use ath10k_rx_desc_ops
2086 * for correctly accessing rx descriptor data.
2087 */
2088
2089/* base struct used for abstracting the rx descriptor representation */
2090struct htt_rx_desc {
2091 union {
2092 /* This field is filled on the host using the msdu buffer
2093 * from htt_rx_indication
2094 */
2095 struct fw_rx_desc_base fw_desc;
2096 u32 pad;
2097 } __packed;
2098} __packed;
2099
2100/* rx descriptor for wcn3990 and possibly extensible for newer cards
2101 * Buffers like this are placed on the rx ring.
2102 */
2103struct htt_rx_desc_v2 {
2104 struct htt_rx_desc base;
2105 struct {
2106 struct rx_attention attention;
2107 struct rx_frag_info frag_info;
2108 struct rx_mpdu_start mpdu_start;
2109 struct rx_msdu_start msdu_start;
2110 struct rx_msdu_end msdu_end;
2111 struct rx_mpdu_end mpdu_end;
2112 struct rx_ppdu_start ppdu_start;
2113 struct rx_ppdu_end ppdu_end;
2114 } __packed;
2115 u8 rx_hdr_status[RX_HTT_HDR_STATUS_LEN];
2116 u8 msdu_payload[];
2117};
2118
2119/* QCA6174, QCA988x, QCA99x0 dedicated rx descriptor to make sure their firmware
2120 * works correctly. We keep a single rx descriptor for all these three
2121 * families of cards because from tests it seems to be the most stable solution,
2122 * e.g. having a rx descriptor only for QCA6174 seldom caused firmware crashes
2123 * during some tests.
2124 * Buffers like this are placed on the rx ring.
2125 */
2126struct htt_rx_desc_v1 {
2127 struct htt_rx_desc base;
2128 struct {
2129 struct rx_attention attention;
2130 struct rx_frag_info_v1 frag_info;
2131 struct rx_mpdu_start mpdu_start;
2132 struct rx_msdu_start_v1 msdu_start;
2133 struct rx_msdu_end_v1 msdu_end;
2134 struct rx_mpdu_end mpdu_end;
2135 struct rx_ppdu_start ppdu_start;
2136 struct rx_ppdu_end_v1 ppdu_end;
2137 } __packed;
2138 u8 rx_hdr_status[RX_HTT_HDR_STATUS_LEN];
2139 u8 msdu_payload[];
2140};
2141
2142/* rx_desc abstraction */
2143struct ath10k_htt_rx_desc_ops {
2144 /* These fields are mandatory, they must be specified in any instance */
2145
2146 /* sizeof() of the rx_desc structure used by this hw */
2147 size_t rx_desc_size;
2148
2149 /* offset of msdu_payload inside the rx_desc structure used by this hw */
2150 size_t rx_desc_msdu_payload_offset;
2151
2152 /* These fields are options.
2153 * When a field is not provided the default implementation gets used
2154 * (see the ath10k_rx_desc_* operations below for more info about the defaults)
2155 */
2156 bool (*rx_desc_get_msdu_limit_error)(struct htt_rx_desc *rxd);
2157 int (*rx_desc_get_l3_pad_bytes)(struct htt_rx_desc *rxd);
2158
2159 /* Safely cast from a void* buffer containing an rx descriptor
2160 * to the proper rx_desc structure
2161 */
2162 struct htt_rx_desc *(*rx_desc_from_raw_buffer)(void *buff);
2163
2164 void (*rx_desc_get_offsets)(struct htt_rx_ring_rx_desc_offsets *offs);
2165 struct rx_attention *(*rx_desc_get_attention)(struct htt_rx_desc *rxd);
2166 struct rx_frag_info_common *(*rx_desc_get_frag_info)(struct htt_rx_desc *rxd);
2167 struct rx_mpdu_start *(*rx_desc_get_mpdu_start)(struct htt_rx_desc *rxd);
2168 struct rx_mpdu_end *(*rx_desc_get_mpdu_end)(struct htt_rx_desc *rxd);
2169 struct rx_msdu_start_common *(*rx_desc_get_msdu_start)(struct htt_rx_desc *rxd);
2170 struct rx_msdu_end_common *(*rx_desc_get_msdu_end)(struct htt_rx_desc *rxd);
2171 struct rx_ppdu_start *(*rx_desc_get_ppdu_start)(struct htt_rx_desc *rxd);
2172 struct rx_ppdu_end_common *(*rx_desc_get_ppdu_end)(struct htt_rx_desc *rxd);
2173 u8 *(*rx_desc_get_rx_hdr_status)(struct htt_rx_desc *rxd);
2174 u8 *(*rx_desc_get_msdu_payload)(struct htt_rx_desc *rxd);
2175};
2176
2177extern const struct ath10k_htt_rx_desc_ops qca988x_rx_desc_ops;
2178extern const struct ath10k_htt_rx_desc_ops qca99x0_rx_desc_ops;
2179extern const struct ath10k_htt_rx_desc_ops wcn3990_rx_desc_ops;
2180
2181static inline int
2182ath10k_htt_rx_desc_get_l3_pad_bytes(struct ath10k_hw_params *hw, struct htt_rx_desc *rxd)
2183{
2184 if (hw->rx_desc_ops->rx_desc_get_l3_pad_bytes)
2185 return hw->rx_desc_ops->rx_desc_get_l3_pad_bytes(rxd);
2186 return 0;
2187}
2188
2189static inline bool
2190ath10k_htt_rx_desc_msdu_limit_error(struct ath10k_hw_params *hw, struct htt_rx_desc *rxd)
2191{
2192 if (hw->rx_desc_ops->rx_desc_get_msdu_limit_error)
2193 return hw->rx_desc_ops->rx_desc_get_msdu_limit_error(rxd);
2194 return false;
2195}
2196
2197/* The default implementation of all these getters is using the old rx_desc,
2198 * so that it is easier to define the ath10k_htt_rx_desc_ops instances.
2199 * But probably, if new wireless cards must be supported, it would be better
2200 * to switch the default implementation to the new rx_desc, since this would
2201 * make the extension easier .
2202 */
2203static inline struct htt_rx_desc *
2204ath10k_htt_rx_desc_from_raw_buffer(struct ath10k_hw_params *hw, void *buff)
2205{
2206 if (hw->rx_desc_ops->rx_desc_from_raw_buffer)
2207 return hw->rx_desc_ops->rx_desc_from_raw_buffer(buff);
2208 return &((struct htt_rx_desc_v1 *)buff)->base;
2209}
2210
2211static inline void
2212ath10k_htt_rx_desc_get_offsets(struct ath10k_hw_params *hw,
2213 struct htt_rx_ring_rx_desc_offsets *off)
2214{
2215 if (hw->rx_desc_ops->rx_desc_get_offsets) {
2216 hw->rx_desc_ops->rx_desc_get_offsets(off);
2217 } else {
2218#define desc_offset(x) (offsetof(struct htt_rx_desc_v1, x) / 4)
2219 off->mac80211_hdr_offset = __cpu_to_le16(desc_offset(rx_hdr_status));
2220 off->msdu_payload_offset = __cpu_to_le16(desc_offset(msdu_payload));
2221 off->ppdu_start_offset = __cpu_to_le16(desc_offset(ppdu_start));
2222 off->ppdu_end_offset = __cpu_to_le16(desc_offset(ppdu_end));
2223 off->mpdu_start_offset = __cpu_to_le16(desc_offset(mpdu_start));
2224 off->mpdu_end_offset = __cpu_to_le16(desc_offset(mpdu_end));
2225 off->msdu_start_offset = __cpu_to_le16(desc_offset(msdu_start));
2226 off->msdu_end_offset = __cpu_to_le16(desc_offset(msdu_end));
2227 off->rx_attention_offset = __cpu_to_le16(desc_offset(attention));
2228 off->frag_info_offset = __cpu_to_le16(desc_offset(frag_info));
2229#undef desc_offset
2230 }
2231}
2232
2233static inline struct rx_attention *
2234ath10k_htt_rx_desc_get_attention(struct ath10k_hw_params *hw, struct htt_rx_desc *rxd)
2235{
2236 struct htt_rx_desc_v1 *rx_desc;
2237
2238 if (hw->rx_desc_ops->rx_desc_get_attention)
2239 return hw->rx_desc_ops->rx_desc_get_attention(rxd);
2240
2241 rx_desc = container_of(rxd, struct htt_rx_desc_v1, base);
2242 return &rx_desc->attention;
2243}
2244
2245static inline struct rx_frag_info_common *
2246ath10k_htt_rx_desc_get_frag_info(struct ath10k_hw_params *hw, struct htt_rx_desc *rxd)
2247{
2248 struct htt_rx_desc_v1 *rx_desc;
2249
2250 if (hw->rx_desc_ops->rx_desc_get_frag_info)
2251 return hw->rx_desc_ops->rx_desc_get_frag_info(rxd);
2252
2253 rx_desc = container_of(rxd, struct htt_rx_desc_v1, base);
2254 return &rx_desc->frag_info.common;
2255}
2256
2257static inline struct rx_mpdu_start *
2258ath10k_htt_rx_desc_get_mpdu_start(struct ath10k_hw_params *hw, struct htt_rx_desc *rxd)
2259{
2260 struct htt_rx_desc_v1 *rx_desc;
2261
2262 if (hw->rx_desc_ops->rx_desc_get_mpdu_start)
2263 return hw->rx_desc_ops->rx_desc_get_mpdu_start(rxd);
2264
2265 rx_desc = container_of(rxd, struct htt_rx_desc_v1, base);
2266 return &rx_desc->mpdu_start;
2267}
2268
2269static inline struct rx_mpdu_end *
2270ath10k_htt_rx_desc_get_mpdu_end(struct ath10k_hw_params *hw, struct htt_rx_desc *rxd)
2271{
2272 struct htt_rx_desc_v1 *rx_desc;
2273
2274 if (hw->rx_desc_ops->rx_desc_get_mpdu_end)
2275 return hw->rx_desc_ops->rx_desc_get_mpdu_end(rxd);
2276
2277 rx_desc = container_of(rxd, struct htt_rx_desc_v1, base);
2278 return &rx_desc->mpdu_end;
2279}
2280
2281static inline struct rx_msdu_start_common *
2282ath10k_htt_rx_desc_get_msdu_start(struct ath10k_hw_params *hw, struct htt_rx_desc *rxd)
2283{
2284 struct htt_rx_desc_v1 *rx_desc;
2285
2286 if (hw->rx_desc_ops->rx_desc_get_msdu_start)
2287 return hw->rx_desc_ops->rx_desc_get_msdu_start(rxd);
2288
2289 rx_desc = container_of(rxd, struct htt_rx_desc_v1, base);
2290 return &rx_desc->msdu_start.common;
2291}
2292
2293static inline struct rx_msdu_end_common *
2294ath10k_htt_rx_desc_get_msdu_end(struct ath10k_hw_params *hw, struct htt_rx_desc *rxd)
2295{
2296 struct htt_rx_desc_v1 *rx_desc;
2297
2298 if (hw->rx_desc_ops->rx_desc_get_msdu_end)
2299 return hw->rx_desc_ops->rx_desc_get_msdu_end(rxd);
2300
2301 rx_desc = container_of(rxd, struct htt_rx_desc_v1, base);
2302 return &rx_desc->msdu_end.common;
2303}
2304
2305static inline struct rx_ppdu_start *
2306ath10k_htt_rx_desc_get_ppdu_start(struct ath10k_hw_params *hw, struct htt_rx_desc *rxd)
2307{
2308 struct htt_rx_desc_v1 *rx_desc;
2309
2310 if (hw->rx_desc_ops->rx_desc_get_ppdu_start)
2311 return hw->rx_desc_ops->rx_desc_get_ppdu_start(rxd);
2312
2313 rx_desc = container_of(rxd, struct htt_rx_desc_v1, base);
2314 return &rx_desc->ppdu_start;
2315}
2316
2317static inline struct rx_ppdu_end_common *
2318ath10k_htt_rx_desc_get_ppdu_end(struct ath10k_hw_params *hw, struct htt_rx_desc *rxd)
2319{
2320 struct htt_rx_desc_v1 *rx_desc;
2321
2322 if (hw->rx_desc_ops->rx_desc_get_ppdu_end)
2323 return hw->rx_desc_ops->rx_desc_get_ppdu_end(rxd);
2324
2325 rx_desc = container_of(rxd, struct htt_rx_desc_v1, base);
2326 return &rx_desc->ppdu_end.common;
2327}
2328
2329static inline u8 *
2330ath10k_htt_rx_desc_get_rx_hdr_status(struct ath10k_hw_params *hw, struct htt_rx_desc *rxd)
2331{
2332 struct htt_rx_desc_v1 *rx_desc;
2333
2334 if (hw->rx_desc_ops->rx_desc_get_rx_hdr_status)
2335 return hw->rx_desc_ops->rx_desc_get_rx_hdr_status(rxd);
2336
2337 rx_desc = container_of(rxd, struct htt_rx_desc_v1, base);
2338 return rx_desc->rx_hdr_status;
2339}
2340
2341static inline u8 *
2342ath10k_htt_rx_desc_get_msdu_payload(struct ath10k_hw_params *hw, struct htt_rx_desc *rxd)
2343{
2344 struct htt_rx_desc_v1 *rx_desc;
2345
2346 if (hw->rx_desc_ops->rx_desc_get_msdu_payload)
2347 return hw->rx_desc_ops->rx_desc_get_msdu_payload(rxd);
2348
2349 rx_desc = container_of(rxd, struct htt_rx_desc_v1, base);
2350 return rx_desc->msdu_payload;
2351}
2352
2353#define HTT_RX_DESC_HL_INFO_SEQ_NUM_MASK 0x00000fff
2354#define HTT_RX_DESC_HL_INFO_SEQ_NUM_LSB 0
2355#define HTT_RX_DESC_HL_INFO_ENCRYPTED_MASK 0x00001000
2356#define HTT_RX_DESC_HL_INFO_ENCRYPTED_LSB 12
2357#define HTT_RX_DESC_HL_INFO_CHAN_INFO_PRESENT_MASK 0x00002000
2358#define HTT_RX_DESC_HL_INFO_CHAN_INFO_PRESENT_LSB 13
2359#define HTT_RX_DESC_HL_INFO_MCAST_BCAST_MASK 0x00010000
2360#define HTT_RX_DESC_HL_INFO_MCAST_BCAST_LSB 16
2361#define HTT_RX_DESC_HL_INFO_KEY_ID_OCT_MASK 0x01fe0000
2362#define HTT_RX_DESC_HL_INFO_KEY_ID_OCT_LSB 17
2363
2364struct htt_rx_desc_base_hl {
2365 __le32 info; /* HTT_RX_DESC_HL_INFO_ */
2366};
2367
2368struct htt_rx_chan_info {
2369 __le16 primary_chan_center_freq_mhz;
2370 __le16 contig_chan1_center_freq_mhz;
2371 __le16 contig_chan2_center_freq_mhz;
2372 u8 phy_mode;
2373 u8 reserved;
2374} __packed;
2375
2376#define HTT_RX_DESC_ALIGN 8
2377
2378#define HTT_MAC_ADDR_LEN 6
2379
2380/*
2381 * FIX THIS
2382 * Should be: sizeof(struct htt_host_rx_desc) + max rx MSDU size,
2383 * rounded up to a cache line size.
2384 */
2385#define HTT_RX_BUF_SIZE 2048
2386
2387/* The HTT_RX_MSDU_SIZE can't be statically computed anymore,
2388 * because it depends on the underlying device rx_desc representation
2389 */
2390static inline int ath10k_htt_rx_msdu_size(struct ath10k_hw_params *hw)
2391{
2392 return HTT_RX_BUF_SIZE - (int)hw->rx_desc_ops->rx_desc_size;
2393}
2394
2395/* Refill a bunch of RX buffers for each refill round so that FW/HW can handle
2396 * aggregated traffic more nicely.
2397 */
2398#define ATH10K_HTT_MAX_NUM_REFILL 100
2399
2400/*
2401 * DMA_MAP expects the buffer to be an integral number of cache lines.
2402 * Rather than checking the actual cache line size, this code makes a
2403 * conservative estimate of what the cache line size could be.
2404 */
2405#define HTT_LOG2_MAX_CACHE_LINE_SIZE 7 /* 2^7 = 128 */
2406#define HTT_MAX_CACHE_LINE_SIZE_MASK ((1 << HTT_LOG2_MAX_CACHE_LINE_SIZE) - 1)
2407
2408/* These values are default in most firmware revisions and apparently are a
2409 * sweet spot performance wise.
2410 */
2411#define ATH10K_HTT_MAX_NUM_AMSDU_DEFAULT 3
2412#define ATH10K_HTT_MAX_NUM_AMPDU_DEFAULT 64
2413
2414int ath10k_htt_connect(struct ath10k_htt *htt);
2415int ath10k_htt_init(struct ath10k *ar);
2416int ath10k_htt_setup(struct ath10k_htt *htt);
2417
2418int ath10k_htt_tx_start(struct ath10k_htt *htt);
2419void ath10k_htt_tx_stop(struct ath10k_htt *htt);
2420void ath10k_htt_tx_destroy(struct ath10k_htt *htt);
2421void ath10k_htt_tx_free(struct ath10k_htt *htt);
2422
2423int ath10k_htt_rx_alloc(struct ath10k_htt *htt);
2424int ath10k_htt_rx_ring_refill(struct ath10k *ar);
2425void ath10k_htt_rx_free(struct ath10k_htt *htt);
2426
2427void ath10k_htt_htc_tx_complete(struct ath10k *ar, struct sk_buff *skb);
2428void ath10k_htt_htc_t2h_msg_handler(struct ath10k *ar, struct sk_buff *skb);
2429bool ath10k_htt_t2h_msg_handler(struct ath10k *ar, struct sk_buff *skb);
2430int ath10k_htt_h2t_ver_req_msg(struct ath10k_htt *htt);
2431int ath10k_htt_h2t_stats_req(struct ath10k_htt *htt, u32 mask, u32 reset_mask,
2432 u64 cookie);
2433void ath10k_htt_hif_tx_complete(struct ath10k *ar, struct sk_buff *skb);
2434int ath10k_htt_tx_fetch_resp(struct ath10k *ar,
2435 __le32 token,
2436 __le16 fetch_seq_num,
2437 struct htt_tx_fetch_record *records,
2438 size_t num_records);
2439void ath10k_htt_op_ep_tx_credits(struct ath10k *ar);
2440
2441void ath10k_htt_tx_txq_update(struct ieee80211_hw *hw,
2442 struct ieee80211_txq *txq);
2443void ath10k_htt_tx_txq_recalc(struct ieee80211_hw *hw,
2444 struct ieee80211_txq *txq);
2445void ath10k_htt_tx_txq_sync(struct ath10k *ar);
2446void ath10k_htt_tx_dec_pending(struct ath10k_htt *htt);
2447int ath10k_htt_tx_inc_pending(struct ath10k_htt *htt);
2448void ath10k_htt_tx_mgmt_dec_pending(struct ath10k_htt *htt);
2449int ath10k_htt_tx_mgmt_inc_pending(struct ath10k_htt *htt, bool is_mgmt,
2450 bool is_presp);
2451
2452int ath10k_htt_tx_alloc_msdu_id(struct ath10k_htt *htt, struct sk_buff *skb);
2453void ath10k_htt_tx_free_msdu_id(struct ath10k_htt *htt, u16 msdu_id);
2454int ath10k_htt_mgmt_tx(struct ath10k_htt *htt, struct sk_buff *msdu);
2455void ath10k_htt_rx_pktlog_completion_handler(struct ath10k *ar,
2456 struct sk_buff *skb);
2457int ath10k_htt_txrx_compl_task(struct ath10k *ar, int budget);
2458int ath10k_htt_rx_hl_indication(struct ath10k *ar, int budget);
2459void ath10k_htt_set_tx_ops(struct ath10k_htt *htt);
2460void ath10k_htt_set_rx_ops(struct ath10k_htt *htt);
2461#endif
1/*
2 * Copyright (c) 2005-2011 Atheros Communications Inc.
3 * Copyright (c) 2011-2017 Qualcomm Atheros, Inc.
4 *
5 * Permission to use, copy, modify, and/or distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 */
17
18#ifndef _HTT_H_
19#define _HTT_H_
20
21#include <linux/bug.h>
22#include <linux/interrupt.h>
23#include <linux/dmapool.h>
24#include <linux/hashtable.h>
25#include <linux/kfifo.h>
26#include <net/mac80211.h>
27
28#include "htc.h"
29#include "hw.h"
30#include "rx_desc.h"
31#include "hw.h"
32
33enum htt_dbg_stats_type {
34 HTT_DBG_STATS_WAL_PDEV_TXRX = 1 << 0,
35 HTT_DBG_STATS_RX_REORDER = 1 << 1,
36 HTT_DBG_STATS_RX_RATE_INFO = 1 << 2,
37 HTT_DBG_STATS_TX_PPDU_LOG = 1 << 3,
38 HTT_DBG_STATS_TX_RATE_INFO = 1 << 4,
39 /* bits 5-23 currently reserved */
40
41 HTT_DBG_NUM_STATS /* keep this last */
42};
43
44enum htt_h2t_msg_type { /* host-to-target */
45 HTT_H2T_MSG_TYPE_VERSION_REQ = 0,
46 HTT_H2T_MSG_TYPE_TX_FRM = 1,
47 HTT_H2T_MSG_TYPE_RX_RING_CFG = 2,
48 HTT_H2T_MSG_TYPE_STATS_REQ = 3,
49 HTT_H2T_MSG_TYPE_SYNC = 4,
50 HTT_H2T_MSG_TYPE_AGGR_CFG = 5,
51 HTT_H2T_MSG_TYPE_FRAG_DESC_BANK_CFG = 6,
52
53 /* This command is used for sending management frames in HTT < 3.0.
54 * HTT >= 3.0 uses TX_FRM for everything.
55 */
56 HTT_H2T_MSG_TYPE_MGMT_TX = 7,
57 HTT_H2T_MSG_TYPE_TX_FETCH_RESP = 11,
58
59 HTT_H2T_NUM_MSGS /* keep this last */
60};
61
62struct htt_cmd_hdr {
63 u8 msg_type;
64} __packed;
65
66struct htt_ver_req {
67 u8 pad[sizeof(u32) - sizeof(struct htt_cmd_hdr)];
68} __packed;
69
70/*
71 * HTT tx MSDU descriptor
72 *
73 * The HTT tx MSDU descriptor is created by the host HTT SW for each
74 * tx MSDU. The HTT tx MSDU descriptor contains the information that
75 * the target firmware needs for the FW's tx processing, particularly
76 * for creating the HW msdu descriptor.
77 * The same HTT tx descriptor is used for HL and LL systems, though
78 * a few fields within the tx descriptor are used only by LL or
79 * only by HL.
80 * The HTT tx descriptor is defined in two manners: by a struct with
81 * bitfields, and by a series of [dword offset, bit mask, bit shift]
82 * definitions.
83 * The target should use the struct def, for simplicitly and clarity,
84 * but the host shall use the bit-mast + bit-shift defs, to be endian-
85 * neutral. Specifically, the host shall use the get/set macros built
86 * around the mask + shift defs.
87 */
88struct htt_data_tx_desc_frag {
89 union {
90 struct double_word_addr {
91 __le32 paddr;
92 __le32 len;
93 } __packed dword_addr;
94 struct triple_word_addr {
95 __le32 paddr_lo;
96 __le16 paddr_hi;
97 __le16 len_16;
98 } __packed tword_addr;
99 } __packed;
100} __packed;
101
102struct htt_msdu_ext_desc {
103 __le32 tso_flag[3];
104 __le16 ip_identification;
105 u8 flags;
106 u8 reserved;
107 struct htt_data_tx_desc_frag frags[6];
108};
109
110struct htt_msdu_ext_desc_64 {
111 __le32 tso_flag[5];
112 __le16 ip_identification;
113 u8 flags;
114 u8 reserved;
115 struct htt_data_tx_desc_frag frags[6];
116};
117
118#define HTT_MSDU_EXT_DESC_FLAG_IPV4_CSUM_ENABLE BIT(0)
119#define HTT_MSDU_EXT_DESC_FLAG_UDP_IPV4_CSUM_ENABLE BIT(1)
120#define HTT_MSDU_EXT_DESC_FLAG_UDP_IPV6_CSUM_ENABLE BIT(2)
121#define HTT_MSDU_EXT_DESC_FLAG_TCP_IPV4_CSUM_ENABLE BIT(3)
122#define HTT_MSDU_EXT_DESC_FLAG_TCP_IPV6_CSUM_ENABLE BIT(4)
123
124#define HTT_MSDU_CHECKSUM_ENABLE (HTT_MSDU_EXT_DESC_FLAG_IPV4_CSUM_ENABLE \
125 | HTT_MSDU_EXT_DESC_FLAG_UDP_IPV4_CSUM_ENABLE \
126 | HTT_MSDU_EXT_DESC_FLAG_UDP_IPV6_CSUM_ENABLE \
127 | HTT_MSDU_EXT_DESC_FLAG_TCP_IPV4_CSUM_ENABLE \
128 | HTT_MSDU_EXT_DESC_FLAG_TCP_IPV6_CSUM_ENABLE)
129
130enum htt_data_tx_desc_flags0 {
131 HTT_DATA_TX_DESC_FLAGS0_MAC_HDR_PRESENT = 1 << 0,
132 HTT_DATA_TX_DESC_FLAGS0_NO_AGGR = 1 << 1,
133 HTT_DATA_TX_DESC_FLAGS0_NO_ENCRYPT = 1 << 2,
134 HTT_DATA_TX_DESC_FLAGS0_NO_CLASSIFY = 1 << 3,
135 HTT_DATA_TX_DESC_FLAGS0_RSVD0 = 1 << 4
136#define HTT_DATA_TX_DESC_FLAGS0_PKT_TYPE_MASK 0xE0
137#define HTT_DATA_TX_DESC_FLAGS0_PKT_TYPE_LSB 5
138};
139
140enum htt_data_tx_desc_flags1 {
141#define HTT_DATA_TX_DESC_FLAGS1_VDEV_ID_BITS 6
142#define HTT_DATA_TX_DESC_FLAGS1_VDEV_ID_MASK 0x003F
143#define HTT_DATA_TX_DESC_FLAGS1_VDEV_ID_LSB 0
144#define HTT_DATA_TX_DESC_FLAGS1_EXT_TID_BITS 5
145#define HTT_DATA_TX_DESC_FLAGS1_EXT_TID_MASK 0x07C0
146#define HTT_DATA_TX_DESC_FLAGS1_EXT_TID_LSB 6
147 HTT_DATA_TX_DESC_FLAGS1_POSTPONED = 1 << 11,
148 HTT_DATA_TX_DESC_FLAGS1_MORE_IN_BATCH = 1 << 12,
149 HTT_DATA_TX_DESC_FLAGS1_CKSUM_L3_OFFLOAD = 1 << 13,
150 HTT_DATA_TX_DESC_FLAGS1_CKSUM_L4_OFFLOAD = 1 << 14,
151 HTT_DATA_TX_DESC_FLAGS1_RSVD1 = 1 << 15
152};
153
154enum htt_data_tx_ext_tid {
155 HTT_DATA_TX_EXT_TID_NON_QOS_MCAST_BCAST = 16,
156 HTT_DATA_TX_EXT_TID_MGMT = 17,
157 HTT_DATA_TX_EXT_TID_INVALID = 31
158};
159
160#define HTT_INVALID_PEERID 0xFFFF
161
162/*
163 * htt_data_tx_desc - used for data tx path
164 *
165 * Note: vdev_id irrelevant for pkt_type == raw and no_classify == 1.
166 * ext_tid: for qos-data frames (0-15), see %HTT_DATA_TX_EXT_TID_
167 * for special kinds of tids
168 * postponed: only for HL hosts. indicates if this is a resend
169 * (HL hosts manage queues on the host )
170 * more_in_batch: only for HL hosts. indicates if more packets are
171 * pending. this allows target to wait and aggregate
172 * freq: 0 means home channel of given vdev. intended for offchannel
173 */
174struct htt_data_tx_desc {
175 u8 flags0; /* %HTT_DATA_TX_DESC_FLAGS0_ */
176 __le16 flags1; /* %HTT_DATA_TX_DESC_FLAGS1_ */
177 __le16 len;
178 __le16 id;
179 __le32 frags_paddr;
180 union {
181 __le32 peerid;
182 struct {
183 __le16 peerid;
184 __le16 freq;
185 } __packed offchan_tx;
186 } __packed;
187 u8 prefetch[0]; /* start of frame, for FW classification engine */
188} __packed;
189
190struct htt_data_tx_desc_64 {
191 u8 flags0; /* %HTT_DATA_TX_DESC_FLAGS0_ */
192 __le16 flags1; /* %HTT_DATA_TX_DESC_FLAGS1_ */
193 __le16 len;
194 __le16 id;
195 __le64 frags_paddr;
196 union {
197 __le32 peerid;
198 struct {
199 __le16 peerid;
200 __le16 freq;
201 } __packed offchan_tx;
202 } __packed;
203 u8 prefetch[0]; /* start of frame, for FW classification engine */
204} __packed;
205
206enum htt_rx_ring_flags {
207 HTT_RX_RING_FLAGS_MAC80211_HDR = 1 << 0,
208 HTT_RX_RING_FLAGS_MSDU_PAYLOAD = 1 << 1,
209 HTT_RX_RING_FLAGS_PPDU_START = 1 << 2,
210 HTT_RX_RING_FLAGS_PPDU_END = 1 << 3,
211 HTT_RX_RING_FLAGS_MPDU_START = 1 << 4,
212 HTT_RX_RING_FLAGS_MPDU_END = 1 << 5,
213 HTT_RX_RING_FLAGS_MSDU_START = 1 << 6,
214 HTT_RX_RING_FLAGS_MSDU_END = 1 << 7,
215 HTT_RX_RING_FLAGS_RX_ATTENTION = 1 << 8,
216 HTT_RX_RING_FLAGS_FRAG_INFO = 1 << 9,
217 HTT_RX_RING_FLAGS_UNICAST_RX = 1 << 10,
218 HTT_RX_RING_FLAGS_MULTICAST_RX = 1 << 11,
219 HTT_RX_RING_FLAGS_CTRL_RX = 1 << 12,
220 HTT_RX_RING_FLAGS_MGMT_RX = 1 << 13,
221 HTT_RX_RING_FLAGS_NULL_RX = 1 << 14,
222 HTT_RX_RING_FLAGS_PHY_DATA_RX = 1 << 15
223};
224
225#define HTT_RX_RING_SIZE_MIN 128
226#define HTT_RX_RING_SIZE_MAX 2048
227#define HTT_RX_RING_SIZE HTT_RX_RING_SIZE_MAX
228#define HTT_RX_RING_FILL_LEVEL (((HTT_RX_RING_SIZE) / 2) - 1)
229#define HTT_RX_RING_FILL_LEVEL_DUAL_MAC (HTT_RX_RING_SIZE - 1)
230
231struct htt_rx_ring_setup_ring32 {
232 __le32 fw_idx_shadow_reg_paddr;
233 __le32 rx_ring_base_paddr;
234 __le16 rx_ring_len; /* in 4-byte words */
235 __le16 rx_ring_bufsize; /* rx skb size - in bytes */
236 __le16 flags; /* %HTT_RX_RING_FLAGS_ */
237 __le16 fw_idx_init_val;
238
239 /* the following offsets are in 4-byte units */
240 __le16 mac80211_hdr_offset;
241 __le16 msdu_payload_offset;
242 __le16 ppdu_start_offset;
243 __le16 ppdu_end_offset;
244 __le16 mpdu_start_offset;
245 __le16 mpdu_end_offset;
246 __le16 msdu_start_offset;
247 __le16 msdu_end_offset;
248 __le16 rx_attention_offset;
249 __le16 frag_info_offset;
250} __packed;
251
252struct htt_rx_ring_setup_ring64 {
253 __le64 fw_idx_shadow_reg_paddr;
254 __le64 rx_ring_base_paddr;
255 __le16 rx_ring_len; /* in 4-byte words */
256 __le16 rx_ring_bufsize; /* rx skb size - in bytes */
257 __le16 flags; /* %HTT_RX_RING_FLAGS_ */
258 __le16 fw_idx_init_val;
259
260 /* the following offsets are in 4-byte units */
261 __le16 mac80211_hdr_offset;
262 __le16 msdu_payload_offset;
263 __le16 ppdu_start_offset;
264 __le16 ppdu_end_offset;
265 __le16 mpdu_start_offset;
266 __le16 mpdu_end_offset;
267 __le16 msdu_start_offset;
268 __le16 msdu_end_offset;
269 __le16 rx_attention_offset;
270 __le16 frag_info_offset;
271} __packed;
272
273struct htt_rx_ring_setup_hdr {
274 u8 num_rings; /* supported values: 1, 2 */
275 __le16 rsvd0;
276} __packed;
277
278struct htt_rx_ring_setup_32 {
279 struct htt_rx_ring_setup_hdr hdr;
280 struct htt_rx_ring_setup_ring32 rings[0];
281} __packed;
282
283struct htt_rx_ring_setup_64 {
284 struct htt_rx_ring_setup_hdr hdr;
285 struct htt_rx_ring_setup_ring64 rings[0];
286} __packed;
287
288/*
289 * htt_stats_req - request target to send specified statistics
290 *
291 * @msg_type: hardcoded %HTT_H2T_MSG_TYPE_STATS_REQ
292 * @upload_types: see %htt_dbg_stats_type. this is 24bit field actually
293 * so make sure its little-endian.
294 * @reset_types: see %htt_dbg_stats_type. this is 24bit field actually
295 * so make sure its little-endian.
296 * @cfg_val: stat_type specific configuration
297 * @stat_type: see %htt_dbg_stats_type
298 * @cookie_lsb: used for confirmation message from target->host
299 * @cookie_msb: ditto as %cookie
300 */
301struct htt_stats_req {
302 u8 upload_types[3];
303 u8 rsvd0;
304 u8 reset_types[3];
305 struct {
306 u8 mpdu_bytes;
307 u8 mpdu_num_msdus;
308 u8 msdu_bytes;
309 } __packed;
310 u8 stat_type;
311 __le32 cookie_lsb;
312 __le32 cookie_msb;
313} __packed;
314
315#define HTT_STATS_REQ_CFG_STAT_TYPE_INVALID 0xff
316
317/*
318 * htt_oob_sync_req - request out-of-band sync
319 *
320 * The HTT SYNC tells the target to suspend processing of subsequent
321 * HTT host-to-target messages until some other target agent locally
322 * informs the target HTT FW that the current sync counter is equal to
323 * or greater than (in a modulo sense) the sync counter specified in
324 * the SYNC message.
325 *
326 * This allows other host-target components to synchronize their operation
327 * with HTT, e.g. to ensure that tx frames don't get transmitted until a
328 * security key has been downloaded to and activated by the target.
329 * In the absence of any explicit synchronization counter value
330 * specification, the target HTT FW will use zero as the default current
331 * sync value.
332 *
333 * The HTT target FW will suspend its host->target message processing as long
334 * as 0 < (in-band sync counter - out-of-band sync counter) & 0xff < 128.
335 */
336struct htt_oob_sync_req {
337 u8 sync_count;
338 __le16 rsvd0;
339} __packed;
340
341struct htt_aggr_conf {
342 u8 max_num_ampdu_subframes;
343 /* amsdu_subframes is limited by 0x1F mask */
344 u8 max_num_amsdu_subframes;
345} __packed;
346
347#define HTT_MGMT_FRM_HDR_DOWNLOAD_LEN 32
348struct htt_mgmt_tx_desc_qca99x0 {
349 __le32 rate;
350} __packed;
351
352struct htt_mgmt_tx_desc {
353 u8 pad[sizeof(u32) - sizeof(struct htt_cmd_hdr)];
354 __le32 msdu_paddr;
355 __le32 desc_id;
356 __le32 len;
357 __le32 vdev_id;
358 u8 hdr[HTT_MGMT_FRM_HDR_DOWNLOAD_LEN];
359 union {
360 struct htt_mgmt_tx_desc_qca99x0 qca99x0;
361 } __packed;
362} __packed;
363
364enum htt_mgmt_tx_status {
365 HTT_MGMT_TX_STATUS_OK = 0,
366 HTT_MGMT_TX_STATUS_RETRY = 1,
367 HTT_MGMT_TX_STATUS_DROP = 2
368};
369
370/*=== target -> host messages ===============================================*/
371
372enum htt_main_t2h_msg_type {
373 HTT_MAIN_T2H_MSG_TYPE_VERSION_CONF = 0x0,
374 HTT_MAIN_T2H_MSG_TYPE_RX_IND = 0x1,
375 HTT_MAIN_T2H_MSG_TYPE_RX_FLUSH = 0x2,
376 HTT_MAIN_T2H_MSG_TYPE_PEER_MAP = 0x3,
377 HTT_MAIN_T2H_MSG_TYPE_PEER_UNMAP = 0x4,
378 HTT_MAIN_T2H_MSG_TYPE_RX_ADDBA = 0x5,
379 HTT_MAIN_T2H_MSG_TYPE_RX_DELBA = 0x6,
380 HTT_MAIN_T2H_MSG_TYPE_TX_COMPL_IND = 0x7,
381 HTT_MAIN_T2H_MSG_TYPE_PKTLOG = 0x8,
382 HTT_MAIN_T2H_MSG_TYPE_STATS_CONF = 0x9,
383 HTT_MAIN_T2H_MSG_TYPE_RX_FRAG_IND = 0xa,
384 HTT_MAIN_T2H_MSG_TYPE_SEC_IND = 0xb,
385 HTT_MAIN_T2H_MSG_TYPE_TX_INSPECT_IND = 0xd,
386 HTT_MAIN_T2H_MSG_TYPE_MGMT_TX_COMPL_IND = 0xe,
387 HTT_MAIN_T2H_MSG_TYPE_TX_CREDIT_UPDATE_IND = 0xf,
388 HTT_MAIN_T2H_MSG_TYPE_RX_PN_IND = 0x10,
389 HTT_MAIN_T2H_MSG_TYPE_RX_OFFLOAD_DELIVER_IND = 0x11,
390 HTT_MAIN_T2H_MSG_TYPE_TEST,
391 /* keep this last */
392 HTT_MAIN_T2H_NUM_MSGS
393};
394
395enum htt_10x_t2h_msg_type {
396 HTT_10X_T2H_MSG_TYPE_VERSION_CONF = 0x0,
397 HTT_10X_T2H_MSG_TYPE_RX_IND = 0x1,
398 HTT_10X_T2H_MSG_TYPE_RX_FLUSH = 0x2,
399 HTT_10X_T2H_MSG_TYPE_PEER_MAP = 0x3,
400 HTT_10X_T2H_MSG_TYPE_PEER_UNMAP = 0x4,
401 HTT_10X_T2H_MSG_TYPE_RX_ADDBA = 0x5,
402 HTT_10X_T2H_MSG_TYPE_RX_DELBA = 0x6,
403 HTT_10X_T2H_MSG_TYPE_TX_COMPL_IND = 0x7,
404 HTT_10X_T2H_MSG_TYPE_PKTLOG = 0x8,
405 HTT_10X_T2H_MSG_TYPE_STATS_CONF = 0x9,
406 HTT_10X_T2H_MSG_TYPE_RX_FRAG_IND = 0xa,
407 HTT_10X_T2H_MSG_TYPE_SEC_IND = 0xb,
408 HTT_10X_T2H_MSG_TYPE_RC_UPDATE_IND = 0xc,
409 HTT_10X_T2H_MSG_TYPE_TX_INSPECT_IND = 0xd,
410 HTT_10X_T2H_MSG_TYPE_TEST = 0xe,
411 HTT_10X_T2H_MSG_TYPE_CHAN_CHANGE = 0xf,
412 HTT_10X_T2H_MSG_TYPE_AGGR_CONF = 0x11,
413 HTT_10X_T2H_MSG_TYPE_STATS_NOUPLOAD = 0x12,
414 HTT_10X_T2H_MSG_TYPE_MGMT_TX_COMPL_IND = 0x13,
415 /* keep this last */
416 HTT_10X_T2H_NUM_MSGS
417};
418
419enum htt_tlv_t2h_msg_type {
420 HTT_TLV_T2H_MSG_TYPE_VERSION_CONF = 0x0,
421 HTT_TLV_T2H_MSG_TYPE_RX_IND = 0x1,
422 HTT_TLV_T2H_MSG_TYPE_RX_FLUSH = 0x2,
423 HTT_TLV_T2H_MSG_TYPE_PEER_MAP = 0x3,
424 HTT_TLV_T2H_MSG_TYPE_PEER_UNMAP = 0x4,
425 HTT_TLV_T2H_MSG_TYPE_RX_ADDBA = 0x5,
426 HTT_TLV_T2H_MSG_TYPE_RX_DELBA = 0x6,
427 HTT_TLV_T2H_MSG_TYPE_TX_COMPL_IND = 0x7,
428 HTT_TLV_T2H_MSG_TYPE_PKTLOG = 0x8,
429 HTT_TLV_T2H_MSG_TYPE_STATS_CONF = 0x9,
430 HTT_TLV_T2H_MSG_TYPE_RX_FRAG_IND = 0xa,
431 HTT_TLV_T2H_MSG_TYPE_SEC_IND = 0xb,
432 HTT_TLV_T2H_MSG_TYPE_RC_UPDATE_IND = 0xc, /* deprecated */
433 HTT_TLV_T2H_MSG_TYPE_TX_INSPECT_IND = 0xd,
434 HTT_TLV_T2H_MSG_TYPE_MGMT_TX_COMPL_IND = 0xe,
435 HTT_TLV_T2H_MSG_TYPE_TX_CREDIT_UPDATE_IND = 0xf,
436 HTT_TLV_T2H_MSG_TYPE_RX_PN_IND = 0x10,
437 HTT_TLV_T2H_MSG_TYPE_RX_OFFLOAD_DELIVER_IND = 0x11,
438 HTT_TLV_T2H_MSG_TYPE_RX_IN_ORD_PADDR_IND = 0x12,
439 /* 0x13 reservd */
440 HTT_TLV_T2H_MSG_TYPE_WDI_IPA_OP_RESPONSE = 0x14,
441 HTT_TLV_T2H_MSG_TYPE_CHAN_CHANGE = 0x15,
442 HTT_TLV_T2H_MSG_TYPE_RX_OFLD_PKT_ERR = 0x16,
443 HTT_TLV_T2H_MSG_TYPE_TEST,
444 /* keep this last */
445 HTT_TLV_T2H_NUM_MSGS
446};
447
448enum htt_10_4_t2h_msg_type {
449 HTT_10_4_T2H_MSG_TYPE_VERSION_CONF = 0x0,
450 HTT_10_4_T2H_MSG_TYPE_RX_IND = 0x1,
451 HTT_10_4_T2H_MSG_TYPE_RX_FLUSH = 0x2,
452 HTT_10_4_T2H_MSG_TYPE_PEER_MAP = 0x3,
453 HTT_10_4_T2H_MSG_TYPE_PEER_UNMAP = 0x4,
454 HTT_10_4_T2H_MSG_TYPE_RX_ADDBA = 0x5,
455 HTT_10_4_T2H_MSG_TYPE_RX_DELBA = 0x6,
456 HTT_10_4_T2H_MSG_TYPE_TX_COMPL_IND = 0x7,
457 HTT_10_4_T2H_MSG_TYPE_PKTLOG = 0x8,
458 HTT_10_4_T2H_MSG_TYPE_STATS_CONF = 0x9,
459 HTT_10_4_T2H_MSG_TYPE_RX_FRAG_IND = 0xa,
460 HTT_10_4_T2H_MSG_TYPE_SEC_IND = 0xb,
461 HTT_10_4_T2H_MSG_TYPE_RC_UPDATE_IND = 0xc,
462 HTT_10_4_T2H_MSG_TYPE_TX_INSPECT_IND = 0xd,
463 HTT_10_4_T2H_MSG_TYPE_MGMT_TX_COMPL_IND = 0xe,
464 HTT_10_4_T2H_MSG_TYPE_CHAN_CHANGE = 0xf,
465 HTT_10_4_T2H_MSG_TYPE_TX_CREDIT_UPDATE_IND = 0x10,
466 HTT_10_4_T2H_MSG_TYPE_RX_PN_IND = 0x11,
467 HTT_10_4_T2H_MSG_TYPE_RX_OFFLOAD_DELIVER_IND = 0x12,
468 HTT_10_4_T2H_MSG_TYPE_TEST = 0x13,
469 HTT_10_4_T2H_MSG_TYPE_EN_STATS = 0x14,
470 HTT_10_4_T2H_MSG_TYPE_AGGR_CONF = 0x15,
471 HTT_10_4_T2H_MSG_TYPE_TX_FETCH_IND = 0x16,
472 HTT_10_4_T2H_MSG_TYPE_TX_FETCH_CONFIRM = 0x17,
473 HTT_10_4_T2H_MSG_TYPE_STATS_NOUPLOAD = 0x18,
474 /* 0x19 to 0x2f are reserved */
475 HTT_10_4_T2H_MSG_TYPE_TX_MODE_SWITCH_IND = 0x30,
476 HTT_10_4_T2H_MSG_TYPE_PEER_STATS = 0x31,
477 /* keep this last */
478 HTT_10_4_T2H_NUM_MSGS
479};
480
481enum htt_t2h_msg_type {
482 HTT_T2H_MSG_TYPE_VERSION_CONF,
483 HTT_T2H_MSG_TYPE_RX_IND,
484 HTT_T2H_MSG_TYPE_RX_FLUSH,
485 HTT_T2H_MSG_TYPE_PEER_MAP,
486 HTT_T2H_MSG_TYPE_PEER_UNMAP,
487 HTT_T2H_MSG_TYPE_RX_ADDBA,
488 HTT_T2H_MSG_TYPE_RX_DELBA,
489 HTT_T2H_MSG_TYPE_TX_COMPL_IND,
490 HTT_T2H_MSG_TYPE_PKTLOG,
491 HTT_T2H_MSG_TYPE_STATS_CONF,
492 HTT_T2H_MSG_TYPE_RX_FRAG_IND,
493 HTT_T2H_MSG_TYPE_SEC_IND,
494 HTT_T2H_MSG_TYPE_RC_UPDATE_IND,
495 HTT_T2H_MSG_TYPE_TX_INSPECT_IND,
496 HTT_T2H_MSG_TYPE_MGMT_TX_COMPLETION,
497 HTT_T2H_MSG_TYPE_TX_CREDIT_UPDATE_IND,
498 HTT_T2H_MSG_TYPE_RX_PN_IND,
499 HTT_T2H_MSG_TYPE_RX_OFFLOAD_DELIVER_IND,
500 HTT_T2H_MSG_TYPE_RX_IN_ORD_PADDR_IND,
501 HTT_T2H_MSG_TYPE_WDI_IPA_OP_RESPONSE,
502 HTT_T2H_MSG_TYPE_CHAN_CHANGE,
503 HTT_T2H_MSG_TYPE_RX_OFLD_PKT_ERR,
504 HTT_T2H_MSG_TYPE_AGGR_CONF,
505 HTT_T2H_MSG_TYPE_STATS_NOUPLOAD,
506 HTT_T2H_MSG_TYPE_TEST,
507 HTT_T2H_MSG_TYPE_EN_STATS,
508 HTT_T2H_MSG_TYPE_TX_FETCH_IND,
509 HTT_T2H_MSG_TYPE_TX_FETCH_CONFIRM,
510 HTT_T2H_MSG_TYPE_TX_MODE_SWITCH_IND,
511 HTT_T2H_MSG_TYPE_PEER_STATS,
512 /* keep this last */
513 HTT_T2H_NUM_MSGS
514};
515
516/*
517 * htt_resp_hdr - header for target-to-host messages
518 *
519 * msg_type: see htt_t2h_msg_type
520 */
521struct htt_resp_hdr {
522 u8 msg_type;
523} __packed;
524
525#define HTT_RESP_HDR_MSG_TYPE_OFFSET 0
526#define HTT_RESP_HDR_MSG_TYPE_MASK 0xff
527#define HTT_RESP_HDR_MSG_TYPE_LSB 0
528
529/* htt_ver_resp - response sent for htt_ver_req */
530struct htt_ver_resp {
531 u8 minor;
532 u8 major;
533 u8 rsvd0;
534} __packed;
535
536struct htt_mgmt_tx_completion {
537 u8 rsvd0;
538 u8 rsvd1;
539 u8 rsvd2;
540 __le32 desc_id;
541 __le32 status;
542} __packed;
543
544#define HTT_RX_INDICATION_INFO0_EXT_TID_MASK (0x1F)
545#define HTT_RX_INDICATION_INFO0_EXT_TID_LSB (0)
546#define HTT_RX_INDICATION_INFO0_FLUSH_VALID (1 << 5)
547#define HTT_RX_INDICATION_INFO0_RELEASE_VALID (1 << 6)
548
549#define HTT_RX_INDICATION_INFO1_FLUSH_START_SEQNO_MASK 0x0000003F
550#define HTT_RX_INDICATION_INFO1_FLUSH_START_SEQNO_LSB 0
551#define HTT_RX_INDICATION_INFO1_FLUSH_END_SEQNO_MASK 0x00000FC0
552#define HTT_RX_INDICATION_INFO1_FLUSH_END_SEQNO_LSB 6
553#define HTT_RX_INDICATION_INFO1_RELEASE_START_SEQNO_MASK 0x0003F000
554#define HTT_RX_INDICATION_INFO1_RELEASE_START_SEQNO_LSB 12
555#define HTT_RX_INDICATION_INFO1_RELEASE_END_SEQNO_MASK 0x00FC0000
556#define HTT_RX_INDICATION_INFO1_RELEASE_END_SEQNO_LSB 18
557#define HTT_RX_INDICATION_INFO1_NUM_MPDU_RANGES_MASK 0xFF000000
558#define HTT_RX_INDICATION_INFO1_NUM_MPDU_RANGES_LSB 24
559
560struct htt_rx_indication_hdr {
561 u8 info0; /* %HTT_RX_INDICATION_INFO0_ */
562 __le16 peer_id;
563 __le32 info1; /* %HTT_RX_INDICATION_INFO1_ */
564} __packed;
565
566#define HTT_RX_INDICATION_INFO0_PHY_ERR_VALID (1 << 0)
567#define HTT_RX_INDICATION_INFO0_LEGACY_RATE_MASK (0x1E)
568#define HTT_RX_INDICATION_INFO0_LEGACY_RATE_LSB (1)
569#define HTT_RX_INDICATION_INFO0_LEGACY_RATE_CCK (1 << 5)
570#define HTT_RX_INDICATION_INFO0_END_VALID (1 << 6)
571#define HTT_RX_INDICATION_INFO0_START_VALID (1 << 7)
572
573#define HTT_RX_INDICATION_INFO1_VHT_SIG_A1_MASK 0x00FFFFFF
574#define HTT_RX_INDICATION_INFO1_VHT_SIG_A1_LSB 0
575#define HTT_RX_INDICATION_INFO1_PREAMBLE_TYPE_MASK 0xFF000000
576#define HTT_RX_INDICATION_INFO1_PREAMBLE_TYPE_LSB 24
577
578#define HTT_RX_INDICATION_INFO2_VHT_SIG_A1_MASK 0x00FFFFFF
579#define HTT_RX_INDICATION_INFO2_VHT_SIG_A1_LSB 0
580#define HTT_RX_INDICATION_INFO2_SERVICE_MASK 0xFF000000
581#define HTT_RX_INDICATION_INFO2_SERVICE_LSB 24
582
583enum htt_rx_legacy_rate {
584 HTT_RX_OFDM_48 = 0,
585 HTT_RX_OFDM_24 = 1,
586 HTT_RX_OFDM_12,
587 HTT_RX_OFDM_6,
588 HTT_RX_OFDM_54,
589 HTT_RX_OFDM_36,
590 HTT_RX_OFDM_18,
591 HTT_RX_OFDM_9,
592
593 /* long preamble */
594 HTT_RX_CCK_11_LP = 0,
595 HTT_RX_CCK_5_5_LP = 1,
596 HTT_RX_CCK_2_LP,
597 HTT_RX_CCK_1_LP,
598 /* short preamble */
599 HTT_RX_CCK_11_SP,
600 HTT_RX_CCK_5_5_SP,
601 HTT_RX_CCK_2_SP
602};
603
604enum htt_rx_legacy_rate_type {
605 HTT_RX_LEGACY_RATE_OFDM = 0,
606 HTT_RX_LEGACY_RATE_CCK
607};
608
609enum htt_rx_preamble_type {
610 HTT_RX_LEGACY = 0x4,
611 HTT_RX_HT = 0x8,
612 HTT_RX_HT_WITH_TXBF = 0x9,
613 HTT_RX_VHT = 0xC,
614 HTT_RX_VHT_WITH_TXBF = 0xD,
615};
616
617/*
618 * Fields: phy_err_valid, phy_err_code, tsf,
619 * usec_timestamp, sub_usec_timestamp
620 * ..are valid only if end_valid == 1.
621 *
622 * Fields: rssi_chains, legacy_rate_type,
623 * legacy_rate_cck, preamble_type, service,
624 * vht_sig_*
625 * ..are valid only if start_valid == 1;
626 */
627struct htt_rx_indication_ppdu {
628 u8 combined_rssi;
629 u8 sub_usec_timestamp;
630 u8 phy_err_code;
631 u8 info0; /* HTT_RX_INDICATION_INFO0_ */
632 struct {
633 u8 pri20_db;
634 u8 ext20_db;
635 u8 ext40_db;
636 u8 ext80_db;
637 } __packed rssi_chains[4];
638 __le32 tsf;
639 __le32 usec_timestamp;
640 __le32 info1; /* HTT_RX_INDICATION_INFO1_ */
641 __le32 info2; /* HTT_RX_INDICATION_INFO2_ */
642} __packed;
643
644enum htt_rx_mpdu_status {
645 HTT_RX_IND_MPDU_STATUS_UNKNOWN = 0x0,
646 HTT_RX_IND_MPDU_STATUS_OK,
647 HTT_RX_IND_MPDU_STATUS_ERR_FCS,
648 HTT_RX_IND_MPDU_STATUS_ERR_DUP,
649 HTT_RX_IND_MPDU_STATUS_ERR_REPLAY,
650 HTT_RX_IND_MPDU_STATUS_ERR_INV_PEER,
651 /* only accept EAPOL frames */
652 HTT_RX_IND_MPDU_STATUS_UNAUTH_PEER,
653 HTT_RX_IND_MPDU_STATUS_OUT_OF_SYNC,
654 /* Non-data in promiscuous mode */
655 HTT_RX_IND_MPDU_STATUS_MGMT_CTRL,
656 HTT_RX_IND_MPDU_STATUS_TKIP_MIC_ERR,
657 HTT_RX_IND_MPDU_STATUS_DECRYPT_ERR,
658 HTT_RX_IND_MPDU_STATUS_MPDU_LENGTH_ERR,
659 HTT_RX_IND_MPDU_STATUS_ENCRYPT_REQUIRED_ERR,
660 HTT_RX_IND_MPDU_STATUS_PRIVACY_ERR,
661
662 /*
663 * MISC: discard for unspecified reasons.
664 * Leave this enum value last.
665 */
666 HTT_RX_IND_MPDU_STATUS_ERR_MISC = 0xFF
667};
668
669struct htt_rx_indication_mpdu_range {
670 u8 mpdu_count;
671 u8 mpdu_range_status; /* %htt_rx_mpdu_status */
672 u8 pad0;
673 u8 pad1;
674} __packed;
675
676struct htt_rx_indication_prefix {
677 __le16 fw_rx_desc_bytes;
678 u8 pad0;
679 u8 pad1;
680};
681
682struct htt_rx_indication {
683 struct htt_rx_indication_hdr hdr;
684 struct htt_rx_indication_ppdu ppdu;
685 struct htt_rx_indication_prefix prefix;
686
687 /*
688 * the following fields are both dynamically sized, so
689 * take care addressing them
690 */
691
692 /* the size of this is %fw_rx_desc_bytes */
693 struct fw_rx_desc_base fw_desc;
694
695 /*
696 * %mpdu_ranges starts after &%prefix + roundup(%fw_rx_desc_bytes, 4)
697 * and has %num_mpdu_ranges elements.
698 */
699 struct htt_rx_indication_mpdu_range mpdu_ranges[0];
700} __packed;
701
702static inline struct htt_rx_indication_mpdu_range *
703 htt_rx_ind_get_mpdu_ranges(struct htt_rx_indication *rx_ind)
704{
705 void *ptr = rx_ind;
706
707 ptr += sizeof(rx_ind->hdr)
708 + sizeof(rx_ind->ppdu)
709 + sizeof(rx_ind->prefix)
710 + roundup(__le16_to_cpu(rx_ind->prefix.fw_rx_desc_bytes), 4);
711 return ptr;
712}
713
714enum htt_rx_flush_mpdu_status {
715 HTT_RX_FLUSH_MPDU_DISCARD = 0,
716 HTT_RX_FLUSH_MPDU_REORDER = 1,
717};
718
719/*
720 * htt_rx_flush - discard or reorder given range of mpdus
721 *
722 * Note: host must check if all sequence numbers between
723 * [seq_num_start, seq_num_end-1] are valid.
724 */
725struct htt_rx_flush {
726 __le16 peer_id;
727 u8 tid;
728 u8 rsvd0;
729 u8 mpdu_status; /* %htt_rx_flush_mpdu_status */
730 u8 seq_num_start; /* it is 6 LSBs of 802.11 seq no */
731 u8 seq_num_end; /* it is 6 LSBs of 802.11 seq no */
732};
733
734struct htt_rx_peer_map {
735 u8 vdev_id;
736 __le16 peer_id;
737 u8 addr[6];
738 u8 rsvd0;
739 u8 rsvd1;
740} __packed;
741
742struct htt_rx_peer_unmap {
743 u8 rsvd0;
744 __le16 peer_id;
745} __packed;
746
747enum htt_security_types {
748 HTT_SECURITY_NONE,
749 HTT_SECURITY_WEP128,
750 HTT_SECURITY_WEP104,
751 HTT_SECURITY_WEP40,
752 HTT_SECURITY_TKIP,
753 HTT_SECURITY_TKIP_NOMIC,
754 HTT_SECURITY_AES_CCMP,
755 HTT_SECURITY_WAPI,
756
757 HTT_NUM_SECURITY_TYPES /* keep this last! */
758};
759
760enum htt_security_flags {
761#define HTT_SECURITY_TYPE_MASK 0x7F
762#define HTT_SECURITY_TYPE_LSB 0
763 HTT_SECURITY_IS_UNICAST = 1 << 7
764};
765
766struct htt_security_indication {
767 union {
768 /* dont use bitfields; undefined behaviour */
769 u8 flags; /* %htt_security_flags */
770 struct {
771 u8 security_type:7, /* %htt_security_types */
772 is_unicast:1;
773 } __packed;
774 } __packed;
775 __le16 peer_id;
776 u8 michael_key[8];
777 u8 wapi_rsc[16];
778} __packed;
779
780#define HTT_RX_BA_INFO0_TID_MASK 0x000F
781#define HTT_RX_BA_INFO0_TID_LSB 0
782#define HTT_RX_BA_INFO0_PEER_ID_MASK 0xFFF0
783#define HTT_RX_BA_INFO0_PEER_ID_LSB 4
784
785struct htt_rx_addba {
786 u8 window_size;
787 __le16 info0; /* %HTT_RX_BA_INFO0_ */
788} __packed;
789
790struct htt_rx_delba {
791 u8 rsvd0;
792 __le16 info0; /* %HTT_RX_BA_INFO0_ */
793} __packed;
794
795enum htt_data_tx_status {
796 HTT_DATA_TX_STATUS_OK = 0,
797 HTT_DATA_TX_STATUS_DISCARD = 1,
798 HTT_DATA_TX_STATUS_NO_ACK = 2,
799 HTT_DATA_TX_STATUS_POSTPONE = 3, /* HL only */
800 HTT_DATA_TX_STATUS_DOWNLOAD_FAIL = 128
801};
802
803enum htt_data_tx_flags {
804#define HTT_DATA_TX_STATUS_MASK 0x07
805#define HTT_DATA_TX_STATUS_LSB 0
806#define HTT_DATA_TX_TID_MASK 0x78
807#define HTT_DATA_TX_TID_LSB 3
808 HTT_DATA_TX_TID_INVALID = 1 << 7
809};
810
811#define HTT_TX_COMPL_INV_MSDU_ID 0xFFFF
812
813struct htt_data_tx_completion {
814 union {
815 u8 flags;
816 struct {
817 u8 status:3,
818 tid:4,
819 tid_invalid:1;
820 } __packed;
821 } __packed;
822 u8 num_msdus;
823 u8 rsvd0;
824 __le16 msdus[0]; /* variable length based on %num_msdus */
825} __packed;
826
827struct htt_tx_compl_ind_base {
828 u32 hdr;
829 u16 payload[1/*or more*/];
830} __packed;
831
832struct htt_rc_tx_done_params {
833 u32 rate_code;
834 u32 rate_code_flags;
835 u32 flags;
836 u32 num_enqued; /* 1 for non-AMPDU */
837 u32 num_retries;
838 u32 num_failed; /* for AMPDU */
839 u32 ack_rssi;
840 u32 time_stamp;
841 u32 is_probe;
842};
843
844struct htt_rc_update {
845 u8 vdev_id;
846 __le16 peer_id;
847 u8 addr[6];
848 u8 num_elems;
849 u8 rsvd0;
850 struct htt_rc_tx_done_params params[0]; /* variable length %num_elems */
851} __packed;
852
853/* see htt_rx_indication for similar fields and descriptions */
854struct htt_rx_fragment_indication {
855 union {
856 u8 info0; /* %HTT_RX_FRAG_IND_INFO0_ */
857 struct {
858 u8 ext_tid:5,
859 flush_valid:1;
860 } __packed;
861 } __packed;
862 __le16 peer_id;
863 __le32 info1; /* %HTT_RX_FRAG_IND_INFO1_ */
864 __le16 fw_rx_desc_bytes;
865 __le16 rsvd0;
866
867 u8 fw_msdu_rx_desc[0];
868} __packed;
869
870#define HTT_RX_FRAG_IND_INFO0_EXT_TID_MASK 0x1F
871#define HTT_RX_FRAG_IND_INFO0_EXT_TID_LSB 0
872#define HTT_RX_FRAG_IND_INFO0_FLUSH_VALID_MASK 0x20
873#define HTT_RX_FRAG_IND_INFO0_FLUSH_VALID_LSB 5
874
875#define HTT_RX_FRAG_IND_INFO1_FLUSH_SEQ_NUM_START_MASK 0x0000003F
876#define HTT_RX_FRAG_IND_INFO1_FLUSH_SEQ_NUM_START_LSB 0
877#define HTT_RX_FRAG_IND_INFO1_FLUSH_SEQ_NUM_END_MASK 0x00000FC0
878#define HTT_RX_FRAG_IND_INFO1_FLUSH_SEQ_NUM_END_LSB 6
879
880struct htt_rx_pn_ind {
881 __le16 peer_id;
882 u8 tid;
883 u8 seqno_start;
884 u8 seqno_end;
885 u8 pn_ie_count;
886 u8 reserved;
887 u8 pn_ies[0];
888} __packed;
889
890struct htt_rx_offload_msdu {
891 __le16 msdu_len;
892 __le16 peer_id;
893 u8 vdev_id;
894 u8 tid;
895 u8 fw_desc;
896 u8 payload[0];
897} __packed;
898
899struct htt_rx_offload_ind {
900 u8 reserved;
901 __le16 msdu_count;
902} __packed;
903
904struct htt_rx_in_ord_msdu_desc {
905 __le32 msdu_paddr;
906 __le16 msdu_len;
907 u8 fw_desc;
908 u8 reserved;
909} __packed;
910
911struct htt_rx_in_ord_msdu_desc_ext {
912 __le64 msdu_paddr;
913 __le16 msdu_len;
914 u8 fw_desc;
915 u8 reserved;
916} __packed;
917
918struct htt_rx_in_ord_ind {
919 u8 info;
920 __le16 peer_id;
921 u8 vdev_id;
922 u8 reserved;
923 __le16 msdu_count;
924 union {
925 struct htt_rx_in_ord_msdu_desc msdu_descs32[0];
926 struct htt_rx_in_ord_msdu_desc_ext msdu_descs64[0];
927 } __packed;
928} __packed;
929
930#define HTT_RX_IN_ORD_IND_INFO_TID_MASK 0x0000001f
931#define HTT_RX_IN_ORD_IND_INFO_TID_LSB 0
932#define HTT_RX_IN_ORD_IND_INFO_OFFLOAD_MASK 0x00000020
933#define HTT_RX_IN_ORD_IND_INFO_OFFLOAD_LSB 5
934#define HTT_RX_IN_ORD_IND_INFO_FRAG_MASK 0x00000040
935#define HTT_RX_IN_ORD_IND_INFO_FRAG_LSB 6
936
937/*
938 * target -> host test message definition
939 *
940 * The following field definitions describe the format of the test
941 * message sent from the target to the host.
942 * The message consists of a 4-octet header, followed by a variable
943 * number of 32-bit integer values, followed by a variable number
944 * of 8-bit character values.
945 *
946 * |31 16|15 8|7 0|
947 * |-----------------------------------------------------------|
948 * | num chars | num ints | msg type |
949 * |-----------------------------------------------------------|
950 * | int 0 |
951 * |-----------------------------------------------------------|
952 * | int 1 |
953 * |-----------------------------------------------------------|
954 * | ... |
955 * |-----------------------------------------------------------|
956 * | char 3 | char 2 | char 1 | char 0 |
957 * |-----------------------------------------------------------|
958 * | | | ... | char 4 |
959 * |-----------------------------------------------------------|
960 * - MSG_TYPE
961 * Bits 7:0
962 * Purpose: identifies this as a test message
963 * Value: HTT_MSG_TYPE_TEST
964 * - NUM_INTS
965 * Bits 15:8
966 * Purpose: indicate how many 32-bit integers follow the message header
967 * - NUM_CHARS
968 * Bits 31:16
969 * Purpose: indicate how many 8-bit characters follow the series of integers
970 */
971struct htt_rx_test {
972 u8 num_ints;
973 __le16 num_chars;
974
975 /* payload consists of 2 lists:
976 * a) num_ints * sizeof(__le32)
977 * b) num_chars * sizeof(u8) aligned to 4bytes
978 */
979 u8 payload[0];
980} __packed;
981
982static inline __le32 *htt_rx_test_get_ints(struct htt_rx_test *rx_test)
983{
984 return (__le32 *)rx_test->payload;
985}
986
987static inline u8 *htt_rx_test_get_chars(struct htt_rx_test *rx_test)
988{
989 return rx_test->payload + (rx_test->num_ints * sizeof(__le32));
990}
991
992/*
993 * target -> host packet log message
994 *
995 * The following field definitions describe the format of the packet log
996 * message sent from the target to the host.
997 * The message consists of a 4-octet header,followed by a variable number
998 * of 32-bit character values.
999 *
1000 * |31 24|23 16|15 8|7 0|
1001 * |-----------------------------------------------------------|
1002 * | | | | msg type |
1003 * |-----------------------------------------------------------|
1004 * | payload |
1005 * |-----------------------------------------------------------|
1006 * - MSG_TYPE
1007 * Bits 7:0
1008 * Purpose: identifies this as a test message
1009 * Value: HTT_MSG_TYPE_PACKETLOG
1010 */
1011struct htt_pktlog_msg {
1012 u8 pad[3];
1013 u8 payload[0];
1014} __packed;
1015
1016struct htt_dbg_stats_rx_reorder_stats {
1017 /* Non QoS MPDUs received */
1018 __le32 deliver_non_qos;
1019
1020 /* MPDUs received in-order */
1021 __le32 deliver_in_order;
1022
1023 /* Flush due to reorder timer expired */
1024 __le32 deliver_flush_timeout;
1025
1026 /* Flush due to move out of window */
1027 __le32 deliver_flush_oow;
1028
1029 /* Flush due to DELBA */
1030 __le32 deliver_flush_delba;
1031
1032 /* MPDUs dropped due to FCS error */
1033 __le32 fcs_error;
1034
1035 /* MPDUs dropped due to monitor mode non-data packet */
1036 __le32 mgmt_ctrl;
1037
1038 /* MPDUs dropped due to invalid peer */
1039 __le32 invalid_peer;
1040
1041 /* MPDUs dropped due to duplication (non aggregation) */
1042 __le32 dup_non_aggr;
1043
1044 /* MPDUs dropped due to processed before */
1045 __le32 dup_past;
1046
1047 /* MPDUs dropped due to duplicate in reorder queue */
1048 __le32 dup_in_reorder;
1049
1050 /* Reorder timeout happened */
1051 __le32 reorder_timeout;
1052
1053 /* invalid bar ssn */
1054 __le32 invalid_bar_ssn;
1055
1056 /* reorder reset due to bar ssn */
1057 __le32 ssn_reset;
1058};
1059
1060struct htt_dbg_stats_wal_tx_stats {
1061 /* Num HTT cookies queued to dispatch list */
1062 __le32 comp_queued;
1063
1064 /* Num HTT cookies dispatched */
1065 __le32 comp_delivered;
1066
1067 /* Num MSDU queued to WAL */
1068 __le32 msdu_enqued;
1069
1070 /* Num MPDU queue to WAL */
1071 __le32 mpdu_enqued;
1072
1073 /* Num MSDUs dropped by WMM limit */
1074 __le32 wmm_drop;
1075
1076 /* Num Local frames queued */
1077 __le32 local_enqued;
1078
1079 /* Num Local frames done */
1080 __le32 local_freed;
1081
1082 /* Num queued to HW */
1083 __le32 hw_queued;
1084
1085 /* Num PPDU reaped from HW */
1086 __le32 hw_reaped;
1087
1088 /* Num underruns */
1089 __le32 underrun;
1090
1091 /* Num PPDUs cleaned up in TX abort */
1092 __le32 tx_abort;
1093
1094 /* Num MPDUs requed by SW */
1095 __le32 mpdus_requed;
1096
1097 /* excessive retries */
1098 __le32 tx_ko;
1099
1100 /* data hw rate code */
1101 __le32 data_rc;
1102
1103 /* Scheduler self triggers */
1104 __le32 self_triggers;
1105
1106 /* frames dropped due to excessive sw retries */
1107 __le32 sw_retry_failure;
1108
1109 /* illegal rate phy errors */
1110 __le32 illgl_rate_phy_err;
1111
1112 /* wal pdev continuous xretry */
1113 __le32 pdev_cont_xretry;
1114
1115 /* wal pdev continuous xretry */
1116 __le32 pdev_tx_timeout;
1117
1118 /* wal pdev resets */
1119 __le32 pdev_resets;
1120
1121 __le32 phy_underrun;
1122
1123 /* MPDU is more than txop limit */
1124 __le32 txop_ovf;
1125} __packed;
1126
1127struct htt_dbg_stats_wal_rx_stats {
1128 /* Cnts any change in ring routing mid-ppdu */
1129 __le32 mid_ppdu_route_change;
1130
1131 /* Total number of statuses processed */
1132 __le32 status_rcvd;
1133
1134 /* Extra frags on rings 0-3 */
1135 __le32 r0_frags;
1136 __le32 r1_frags;
1137 __le32 r2_frags;
1138 __le32 r3_frags;
1139
1140 /* MSDUs / MPDUs delivered to HTT */
1141 __le32 htt_msdus;
1142 __le32 htt_mpdus;
1143
1144 /* MSDUs / MPDUs delivered to local stack */
1145 __le32 loc_msdus;
1146 __le32 loc_mpdus;
1147
1148 /* AMSDUs that have more MSDUs than the status ring size */
1149 __le32 oversize_amsdu;
1150
1151 /* Number of PHY errors */
1152 __le32 phy_errs;
1153
1154 /* Number of PHY errors drops */
1155 __le32 phy_err_drop;
1156
1157 /* Number of mpdu errors - FCS, MIC, ENC etc. */
1158 __le32 mpdu_errs;
1159} __packed;
1160
1161struct htt_dbg_stats_wal_peer_stats {
1162 __le32 dummy; /* REMOVE THIS ONCE REAL PEER STAT COUNTERS ARE ADDED */
1163} __packed;
1164
1165struct htt_dbg_stats_wal_pdev_txrx {
1166 struct htt_dbg_stats_wal_tx_stats tx_stats;
1167 struct htt_dbg_stats_wal_rx_stats rx_stats;
1168 struct htt_dbg_stats_wal_peer_stats peer_stats;
1169} __packed;
1170
1171struct htt_dbg_stats_rx_rate_info {
1172 __le32 mcs[10];
1173 __le32 sgi[10];
1174 __le32 nss[4];
1175 __le32 stbc[10];
1176 __le32 bw[3];
1177 __le32 pream[6];
1178 __le32 ldpc;
1179 __le32 txbf;
1180};
1181
1182/*
1183 * htt_dbg_stats_status -
1184 * present - The requested stats have been delivered in full.
1185 * This indicates that either the stats information was contained
1186 * in its entirety within this message, or else this message
1187 * completes the delivery of the requested stats info that was
1188 * partially delivered through earlier STATS_CONF messages.
1189 * partial - The requested stats have been delivered in part.
1190 * One or more subsequent STATS_CONF messages with the same
1191 * cookie value will be sent to deliver the remainder of the
1192 * information.
1193 * error - The requested stats could not be delivered, for example due
1194 * to a shortage of memory to construct a message holding the
1195 * requested stats.
1196 * invalid - The requested stat type is either not recognized, or the
1197 * target is configured to not gather the stats type in question.
1198 * - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
1199 * series_done - This special value indicates that no further stats info
1200 * elements are present within a series of stats info elems
1201 * (within a stats upload confirmation message).
1202 */
1203enum htt_dbg_stats_status {
1204 HTT_DBG_STATS_STATUS_PRESENT = 0,
1205 HTT_DBG_STATS_STATUS_PARTIAL = 1,
1206 HTT_DBG_STATS_STATUS_ERROR = 2,
1207 HTT_DBG_STATS_STATUS_INVALID = 3,
1208 HTT_DBG_STATS_STATUS_SERIES_DONE = 7
1209};
1210
1211/*
1212 * target -> host statistics upload
1213 *
1214 * The following field definitions describe the format of the HTT target
1215 * to host stats upload confirmation message.
1216 * The message contains a cookie echoed from the HTT host->target stats
1217 * upload request, which identifies which request the confirmation is
1218 * for, and a series of tag-length-value stats information elements.
1219 * The tag-length header for each stats info element also includes a
1220 * status field, to indicate whether the request for the stat type in
1221 * question was fully met, partially met, unable to be met, or invalid
1222 * (if the stat type in question is disabled in the target).
1223 * A special value of all 1's in this status field is used to indicate
1224 * the end of the series of stats info elements.
1225 *
1226 *
1227 * |31 16|15 8|7 5|4 0|
1228 * |------------------------------------------------------------|
1229 * | reserved | msg type |
1230 * |------------------------------------------------------------|
1231 * | cookie LSBs |
1232 * |------------------------------------------------------------|
1233 * | cookie MSBs |
1234 * |------------------------------------------------------------|
1235 * | stats entry length | reserved | S |stat type|
1236 * |------------------------------------------------------------|
1237 * | |
1238 * | type-specific stats info |
1239 * | |
1240 * |------------------------------------------------------------|
1241 * | stats entry length | reserved | S |stat type|
1242 * |------------------------------------------------------------|
1243 * | |
1244 * | type-specific stats info |
1245 * | |
1246 * |------------------------------------------------------------|
1247 * | n/a | reserved | 111 | n/a |
1248 * |------------------------------------------------------------|
1249 * Header fields:
1250 * - MSG_TYPE
1251 * Bits 7:0
1252 * Purpose: identifies this is a statistics upload confirmation message
1253 * Value: 0x9
1254 * - COOKIE_LSBS
1255 * Bits 31:0
1256 * Purpose: Provide a mechanism to match a target->host stats confirmation
1257 * message with its preceding host->target stats request message.
1258 * Value: LSBs of the opaque cookie specified by the host-side requestor
1259 * - COOKIE_MSBS
1260 * Bits 31:0
1261 * Purpose: Provide a mechanism to match a target->host stats confirmation
1262 * message with its preceding host->target stats request message.
1263 * Value: MSBs of the opaque cookie specified by the host-side requestor
1264 *
1265 * Stats Information Element tag-length header fields:
1266 * - STAT_TYPE
1267 * Bits 4:0
1268 * Purpose: identifies the type of statistics info held in the
1269 * following information element
1270 * Value: htt_dbg_stats_type
1271 * - STATUS
1272 * Bits 7:5
1273 * Purpose: indicate whether the requested stats are present
1274 * Value: htt_dbg_stats_status, including a special value (0x7) to mark
1275 * the completion of the stats entry series
1276 * - LENGTH
1277 * Bits 31:16
1278 * Purpose: indicate the stats information size
1279 * Value: This field specifies the number of bytes of stats information
1280 * that follows the element tag-length header.
1281 * It is expected but not required that this length is a multiple of
1282 * 4 bytes. Even if the length is not an integer multiple of 4, the
1283 * subsequent stats entry header will begin on a 4-byte aligned
1284 * boundary.
1285 */
1286
1287#define HTT_STATS_CONF_ITEM_INFO_STAT_TYPE_MASK 0x1F
1288#define HTT_STATS_CONF_ITEM_INFO_STAT_TYPE_LSB 0
1289#define HTT_STATS_CONF_ITEM_INFO_STATUS_MASK 0xE0
1290#define HTT_STATS_CONF_ITEM_INFO_STATUS_LSB 5
1291
1292struct htt_stats_conf_item {
1293 union {
1294 u8 info;
1295 struct {
1296 u8 stat_type:5; /* %HTT_DBG_STATS_ */
1297 u8 status:3; /* %HTT_DBG_STATS_STATUS_ */
1298 } __packed;
1299 } __packed;
1300 u8 pad;
1301 __le16 length;
1302 u8 payload[0]; /* roundup(length, 4) long */
1303} __packed;
1304
1305struct htt_stats_conf {
1306 u8 pad[3];
1307 __le32 cookie_lsb;
1308 __le32 cookie_msb;
1309
1310 /* each item has variable length! */
1311 struct htt_stats_conf_item items[0];
1312} __packed;
1313
1314static inline struct htt_stats_conf_item *htt_stats_conf_next_item(
1315 const struct htt_stats_conf_item *item)
1316{
1317 return (void *)item + sizeof(*item) + roundup(item->length, 4);
1318}
1319
1320/*
1321 * host -> target FRAG DESCRIPTOR/MSDU_EXT DESC bank
1322 *
1323 * The following field definitions describe the format of the HTT host
1324 * to target frag_desc/msdu_ext bank configuration message.
1325 * The message contains the based address and the min and max id of the
1326 * MSDU_EXT/FRAG_DESC that will be used by the HTT to map MSDU DESC and
1327 * MSDU_EXT/FRAG_DESC.
1328 * HTT will use id in HTT descriptor instead sending the frag_desc_ptr.
1329 * For QCA988X HW the firmware will use fragment_desc_ptr but in WIFI2.0
1330 * the hardware does the mapping/translation.
1331 *
1332 * Total banks that can be configured is configured to 16.
1333 *
1334 * This should be called before any TX has be initiated by the HTT
1335 *
1336 * |31 16|15 8|7 5|4 0|
1337 * |------------------------------------------------------------|
1338 * | DESC_SIZE | NUM_BANKS | RES |SWP|pdev| msg type |
1339 * |------------------------------------------------------------|
1340 * | BANK0_BASE_ADDRESS |
1341 * |------------------------------------------------------------|
1342 * | ... |
1343 * |------------------------------------------------------------|
1344 * | BANK15_BASE_ADDRESS |
1345 * |------------------------------------------------------------|
1346 * | BANK0_MAX_ID | BANK0_MIN_ID |
1347 * |------------------------------------------------------------|
1348 * | ... |
1349 * |------------------------------------------------------------|
1350 * | BANK15_MAX_ID | BANK15_MIN_ID |
1351 * |------------------------------------------------------------|
1352 * Header fields:
1353 * - MSG_TYPE
1354 * Bits 7:0
1355 * Value: 0x6
1356 * - BANKx_BASE_ADDRESS
1357 * Bits 31:0
1358 * Purpose: Provide a mechanism to specify the base address of the MSDU_EXT
1359 * bank physical/bus address.
1360 * - BANKx_MIN_ID
1361 * Bits 15:0
1362 * Purpose: Provide a mechanism to specify the min index that needs to
1363 * mapped.
1364 * - BANKx_MAX_ID
1365 * Bits 31:16
1366 * Purpose: Provide a mechanism to specify the max index that needs to
1367 *
1368 */
1369struct htt_frag_desc_bank_id {
1370 __le16 bank_min_id;
1371 __le16 bank_max_id;
1372} __packed;
1373
1374/* real is 16 but it wouldn't fit in the max htt message size
1375 * so we use a conservatively safe value for now
1376 */
1377#define HTT_FRAG_DESC_BANK_MAX 4
1378
1379#define HTT_FRAG_DESC_BANK_CFG_INFO_PDEV_ID_MASK 0x03
1380#define HTT_FRAG_DESC_BANK_CFG_INFO_PDEV_ID_LSB 0
1381#define HTT_FRAG_DESC_BANK_CFG_INFO_SWAP BIT(2)
1382#define HTT_FRAG_DESC_BANK_CFG_INFO_Q_STATE_VALID BIT(3)
1383#define HTT_FRAG_DESC_BANK_CFG_INFO_Q_STATE_DEPTH_TYPE_MASK BIT(4)
1384#define HTT_FRAG_DESC_BANK_CFG_INFO_Q_STATE_DEPTH_TYPE_LSB 4
1385
1386enum htt_q_depth_type {
1387 HTT_Q_DEPTH_TYPE_BYTES = 0,
1388 HTT_Q_DEPTH_TYPE_MSDUS = 1,
1389};
1390
1391#define HTT_TX_Q_STATE_NUM_PEERS (TARGET_10_4_NUM_QCACHE_PEERS_MAX + \
1392 TARGET_10_4_NUM_VDEVS)
1393#define HTT_TX_Q_STATE_NUM_TIDS 8
1394#define HTT_TX_Q_STATE_ENTRY_SIZE 1
1395#define HTT_TX_Q_STATE_ENTRY_MULTIPLIER 0
1396
1397/**
1398 * htt_q_state_conf - part of htt_frag_desc_bank_cfg for host q state config
1399 *
1400 * Defines host q state format and behavior. See htt_q_state.
1401 *
1402 * @record_size: Defines the size of each host q entry in bytes. In practice
1403 * however firmware (at least 10.4.3-00191) ignores this host
1404 * configuration value and uses hardcoded value of 1.
1405 * @record_multiplier: This is valid only when q depth type is MSDUs. It
1406 * defines the exponent for the power of 2 multiplication.
1407 */
1408struct htt_q_state_conf {
1409 __le32 paddr;
1410 __le16 num_peers;
1411 __le16 num_tids;
1412 u8 record_size;
1413 u8 record_multiplier;
1414 u8 pad[2];
1415} __packed;
1416
1417struct htt_frag_desc_bank_cfg32 {
1418 u8 info; /* HTT_FRAG_DESC_BANK_CFG_INFO_ */
1419 u8 num_banks;
1420 u8 desc_size;
1421 __le32 bank_base_addrs[HTT_FRAG_DESC_BANK_MAX];
1422 struct htt_frag_desc_bank_id bank_id[HTT_FRAG_DESC_BANK_MAX];
1423 struct htt_q_state_conf q_state;
1424} __packed;
1425
1426struct htt_frag_desc_bank_cfg64 {
1427 u8 info; /* HTT_FRAG_DESC_BANK_CFG_INFO_ */
1428 u8 num_banks;
1429 u8 desc_size;
1430 __le64 bank_base_addrs[HTT_FRAG_DESC_BANK_MAX];
1431 struct htt_frag_desc_bank_id bank_id[HTT_FRAG_DESC_BANK_MAX];
1432 struct htt_q_state_conf q_state;
1433} __packed;
1434
1435#define HTT_TX_Q_STATE_ENTRY_COEFFICIENT 128
1436#define HTT_TX_Q_STATE_ENTRY_FACTOR_MASK 0x3f
1437#define HTT_TX_Q_STATE_ENTRY_FACTOR_LSB 0
1438#define HTT_TX_Q_STATE_ENTRY_EXP_MASK 0xc0
1439#define HTT_TX_Q_STATE_ENTRY_EXP_LSB 6
1440
1441/**
1442 * htt_q_state - shared between host and firmware via DMA
1443 *
1444 * This structure is used for the host to expose it's software queue state to
1445 * firmware so that its rate control can schedule fetch requests for optimized
1446 * performance. This is most notably used for MU-MIMO aggregation when multiple
1447 * MU clients are connected.
1448 *
1449 * @count: Each element defines the host queue depth. When q depth type was
1450 * configured as HTT_Q_DEPTH_TYPE_BYTES then each entry is defined as:
1451 * FACTOR * 128 * 8^EXP (see HTT_TX_Q_STATE_ENTRY_FACTOR_MASK and
1452 * HTT_TX_Q_STATE_ENTRY_EXP_MASK). When q depth type was configured as
1453 * HTT_Q_DEPTH_TYPE_MSDUS the number of packets is scaled by 2 **
1454 * record_multiplier (see htt_q_state_conf).
1455 * @map: Used by firmware to quickly check which host queues are not empty. It
1456 * is a bitmap simply saying.
1457 * @seq: Used by firmware to quickly check if the host queues were updated
1458 * since it last checked.
1459 *
1460 * FIXME: Is the q_state map[] size calculation really correct?
1461 */
1462struct htt_q_state {
1463 u8 count[HTT_TX_Q_STATE_NUM_TIDS][HTT_TX_Q_STATE_NUM_PEERS];
1464 u32 map[HTT_TX_Q_STATE_NUM_TIDS][(HTT_TX_Q_STATE_NUM_PEERS + 31) / 32];
1465 __le32 seq;
1466} __packed;
1467
1468#define HTT_TX_FETCH_RECORD_INFO_PEER_ID_MASK 0x0fff
1469#define HTT_TX_FETCH_RECORD_INFO_PEER_ID_LSB 0
1470#define HTT_TX_FETCH_RECORD_INFO_TID_MASK 0xf000
1471#define HTT_TX_FETCH_RECORD_INFO_TID_LSB 12
1472
1473struct htt_tx_fetch_record {
1474 __le16 info; /* HTT_TX_FETCH_IND_RECORD_INFO_ */
1475 __le16 num_msdus;
1476 __le32 num_bytes;
1477} __packed;
1478
1479struct htt_tx_fetch_ind {
1480 u8 pad0;
1481 __le16 fetch_seq_num;
1482 __le32 token;
1483 __le16 num_resp_ids;
1484 __le16 num_records;
1485 struct htt_tx_fetch_record records[0];
1486 __le32 resp_ids[0]; /* ath10k_htt_get_tx_fetch_ind_resp_ids() */
1487} __packed;
1488
1489static inline void *
1490ath10k_htt_get_tx_fetch_ind_resp_ids(struct htt_tx_fetch_ind *ind)
1491{
1492 return (void *)&ind->records[le16_to_cpu(ind->num_records)];
1493}
1494
1495struct htt_tx_fetch_resp {
1496 u8 pad0;
1497 __le16 resp_id;
1498 __le16 fetch_seq_num;
1499 __le16 num_records;
1500 __le32 token;
1501 struct htt_tx_fetch_record records[0];
1502} __packed;
1503
1504struct htt_tx_fetch_confirm {
1505 u8 pad0;
1506 __le16 num_resp_ids;
1507 __le32 resp_ids[0];
1508} __packed;
1509
1510enum htt_tx_mode_switch_mode {
1511 HTT_TX_MODE_SWITCH_PUSH = 0,
1512 HTT_TX_MODE_SWITCH_PUSH_PULL = 1,
1513};
1514
1515#define HTT_TX_MODE_SWITCH_IND_INFO0_ENABLE BIT(0)
1516#define HTT_TX_MODE_SWITCH_IND_INFO0_NUM_RECORDS_MASK 0xfffe
1517#define HTT_TX_MODE_SWITCH_IND_INFO0_NUM_RECORDS_LSB 1
1518
1519#define HTT_TX_MODE_SWITCH_IND_INFO1_MODE_MASK 0x0003
1520#define HTT_TX_MODE_SWITCH_IND_INFO1_MODE_LSB 0
1521#define HTT_TX_MODE_SWITCH_IND_INFO1_THRESHOLD_MASK 0xfffc
1522#define HTT_TX_MODE_SWITCH_IND_INFO1_THRESHOLD_LSB 2
1523
1524#define HTT_TX_MODE_SWITCH_RECORD_INFO0_PEER_ID_MASK 0x0fff
1525#define HTT_TX_MODE_SWITCH_RECORD_INFO0_PEER_ID_LSB 0
1526#define HTT_TX_MODE_SWITCH_RECORD_INFO0_TID_MASK 0xf000
1527#define HTT_TX_MODE_SWITCH_RECORD_INFO0_TID_LSB 12
1528
1529struct htt_tx_mode_switch_record {
1530 __le16 info0; /* HTT_TX_MODE_SWITCH_RECORD_INFO0_ */
1531 __le16 num_max_msdus;
1532} __packed;
1533
1534struct htt_tx_mode_switch_ind {
1535 u8 pad0;
1536 __le16 info0; /* HTT_TX_MODE_SWITCH_IND_INFO0_ */
1537 __le16 info1; /* HTT_TX_MODE_SWITCH_IND_INFO1_ */
1538 u8 pad1[2];
1539 struct htt_tx_mode_switch_record records[0];
1540} __packed;
1541
1542struct htt_channel_change {
1543 u8 pad[3];
1544 __le32 freq;
1545 __le32 center_freq1;
1546 __le32 center_freq2;
1547 __le32 phymode;
1548} __packed;
1549
1550struct htt_per_peer_tx_stats_ind {
1551 __le32 succ_bytes;
1552 __le32 retry_bytes;
1553 __le32 failed_bytes;
1554 u8 ratecode;
1555 u8 flags;
1556 __le16 peer_id;
1557 __le16 succ_pkts;
1558 __le16 retry_pkts;
1559 __le16 failed_pkts;
1560 __le16 tx_duration;
1561 __le32 reserved1;
1562 __le32 reserved2;
1563} __packed;
1564
1565struct htt_peer_tx_stats {
1566 u8 num_ppdu;
1567 u8 ppdu_len;
1568 u8 version;
1569 u8 payload[0];
1570} __packed;
1571
1572#define ATH10K_10_2_TX_STATS_OFFSET 136
1573#define PEER_STATS_FOR_NO_OF_PPDUS 4
1574
1575struct ath10k_10_2_peer_tx_stats {
1576 u8 ratecode[PEER_STATS_FOR_NO_OF_PPDUS];
1577 u8 success_pkts[PEER_STATS_FOR_NO_OF_PPDUS];
1578 __le16 success_bytes[PEER_STATS_FOR_NO_OF_PPDUS];
1579 u8 retry_pkts[PEER_STATS_FOR_NO_OF_PPDUS];
1580 __le16 retry_bytes[PEER_STATS_FOR_NO_OF_PPDUS];
1581 u8 failed_pkts[PEER_STATS_FOR_NO_OF_PPDUS];
1582 __le16 failed_bytes[PEER_STATS_FOR_NO_OF_PPDUS];
1583 u8 flags[PEER_STATS_FOR_NO_OF_PPDUS];
1584 __le32 tx_duration;
1585 u8 tx_ppdu_cnt;
1586 u8 peer_id;
1587} __packed;
1588
1589union htt_rx_pn_t {
1590 /* WEP: 24-bit PN */
1591 u32 pn24;
1592
1593 /* TKIP or CCMP: 48-bit PN */
1594 u64 pn48;
1595
1596 /* WAPI: 128-bit PN */
1597 u64 pn128[2];
1598};
1599
1600struct htt_cmd {
1601 struct htt_cmd_hdr hdr;
1602 union {
1603 struct htt_ver_req ver_req;
1604 struct htt_mgmt_tx_desc mgmt_tx;
1605 struct htt_data_tx_desc data_tx;
1606 struct htt_rx_ring_setup_32 rx_setup_32;
1607 struct htt_rx_ring_setup_64 rx_setup_64;
1608 struct htt_stats_req stats_req;
1609 struct htt_oob_sync_req oob_sync_req;
1610 struct htt_aggr_conf aggr_conf;
1611 struct htt_frag_desc_bank_cfg32 frag_desc_bank_cfg32;
1612 struct htt_frag_desc_bank_cfg64 frag_desc_bank_cfg64;
1613 struct htt_tx_fetch_resp tx_fetch_resp;
1614 };
1615} __packed;
1616
1617struct htt_resp {
1618 struct htt_resp_hdr hdr;
1619 union {
1620 struct htt_ver_resp ver_resp;
1621 struct htt_mgmt_tx_completion mgmt_tx_completion;
1622 struct htt_data_tx_completion data_tx_completion;
1623 struct htt_rx_indication rx_ind;
1624 struct htt_rx_fragment_indication rx_frag_ind;
1625 struct htt_rx_peer_map peer_map;
1626 struct htt_rx_peer_unmap peer_unmap;
1627 struct htt_rx_flush rx_flush;
1628 struct htt_rx_addba rx_addba;
1629 struct htt_rx_delba rx_delba;
1630 struct htt_security_indication security_indication;
1631 struct htt_rc_update rc_update;
1632 struct htt_rx_test rx_test;
1633 struct htt_pktlog_msg pktlog_msg;
1634 struct htt_stats_conf stats_conf;
1635 struct htt_rx_pn_ind rx_pn_ind;
1636 struct htt_rx_offload_ind rx_offload_ind;
1637 struct htt_rx_in_ord_ind rx_in_ord_ind;
1638 struct htt_tx_fetch_ind tx_fetch_ind;
1639 struct htt_tx_fetch_confirm tx_fetch_confirm;
1640 struct htt_tx_mode_switch_ind tx_mode_switch_ind;
1641 struct htt_channel_change chan_change;
1642 struct htt_peer_tx_stats peer_tx_stats;
1643 };
1644} __packed;
1645
1646/*** host side structures follow ***/
1647
1648struct htt_tx_done {
1649 u16 msdu_id;
1650 u16 status;
1651};
1652
1653enum htt_tx_compl_state {
1654 HTT_TX_COMPL_STATE_NONE,
1655 HTT_TX_COMPL_STATE_ACK,
1656 HTT_TX_COMPL_STATE_NOACK,
1657 HTT_TX_COMPL_STATE_DISCARD,
1658};
1659
1660struct htt_peer_map_event {
1661 u8 vdev_id;
1662 u16 peer_id;
1663 u8 addr[ETH_ALEN];
1664};
1665
1666struct htt_peer_unmap_event {
1667 u16 peer_id;
1668};
1669
1670struct ath10k_htt_txbuf_32 {
1671 struct htt_data_tx_desc_frag frags[2];
1672 struct ath10k_htc_hdr htc_hdr;
1673 struct htt_cmd_hdr cmd_hdr;
1674 struct htt_data_tx_desc cmd_tx;
1675} __packed;
1676
1677struct ath10k_htt_txbuf_64 {
1678 struct htt_data_tx_desc_frag frags[2];
1679 struct ath10k_htc_hdr htc_hdr;
1680 struct htt_cmd_hdr cmd_hdr;
1681 struct htt_data_tx_desc_64 cmd_tx;
1682} __packed;
1683
1684struct ath10k_htt {
1685 struct ath10k *ar;
1686 enum ath10k_htc_ep_id eid;
1687
1688 u8 target_version_major;
1689 u8 target_version_minor;
1690 struct completion target_version_received;
1691 u8 max_num_amsdu;
1692 u8 max_num_ampdu;
1693
1694 const enum htt_t2h_msg_type *t2h_msg_types;
1695 u32 t2h_msg_types_max;
1696
1697 struct {
1698 /*
1699 * Ring of network buffer objects - This ring is
1700 * used exclusively by the host SW. This ring
1701 * mirrors the dev_addrs_ring that is shared
1702 * between the host SW and the MAC HW. The host SW
1703 * uses this netbufs ring to locate the network
1704 * buffer objects whose data buffers the HW has
1705 * filled.
1706 */
1707 struct sk_buff **netbufs_ring;
1708
1709 /* This is used only with firmware supporting IN_ORD_IND.
1710 *
1711 * With Full Rx Reorder the HTT Rx Ring is more of a temporary
1712 * buffer ring from which buffer addresses are copied by the
1713 * firmware to MAC Rx ring. Firmware then delivers IN_ORD_IND
1714 * pointing to specific (re-ordered) buffers.
1715 *
1716 * FIXME: With kernel generic hashing functions there's a lot
1717 * of hash collisions for sk_buffs.
1718 */
1719 bool in_ord_rx;
1720 DECLARE_HASHTABLE(skb_table, 4);
1721
1722 /*
1723 * Ring of buffer addresses -
1724 * This ring holds the "physical" device address of the
1725 * rx buffers the host SW provides for the MAC HW to
1726 * fill.
1727 */
1728 union {
1729 __le64 *paddrs_ring_64;
1730 __le32 *paddrs_ring_32;
1731 };
1732
1733 /*
1734 * Base address of ring, as a "physical" device address
1735 * rather than a CPU address.
1736 */
1737 dma_addr_t base_paddr;
1738
1739 /* how many elems in the ring (power of 2) */
1740 int size;
1741
1742 /* size - 1 */
1743 unsigned int size_mask;
1744
1745 /* how many rx buffers to keep in the ring */
1746 int fill_level;
1747
1748 /* how many rx buffers (full+empty) are in the ring */
1749 int fill_cnt;
1750
1751 /*
1752 * alloc_idx - where HTT SW has deposited empty buffers
1753 * This is allocated in consistent mem, so that the FW can
1754 * read this variable, and program the HW's FW_IDX reg with
1755 * the value of this shadow register.
1756 */
1757 struct {
1758 __le32 *vaddr;
1759 dma_addr_t paddr;
1760 } alloc_idx;
1761
1762 /* where HTT SW has processed bufs filled by rx MAC DMA */
1763 struct {
1764 unsigned int msdu_payld;
1765 } sw_rd_idx;
1766
1767 /*
1768 * refill_retry_timer - timer triggered when the ring is
1769 * not refilled to the level expected
1770 */
1771 struct timer_list refill_retry_timer;
1772
1773 /* Protects access to all rx ring buffer state variables */
1774 spinlock_t lock;
1775 } rx_ring;
1776
1777 unsigned int prefetch_len;
1778
1779 /* Protects access to pending_tx, num_pending_tx */
1780 spinlock_t tx_lock;
1781 int max_num_pending_tx;
1782 int num_pending_tx;
1783 int num_pending_mgmt_tx;
1784 struct idr pending_tx;
1785 wait_queue_head_t empty_tx_wq;
1786
1787 /* FIFO for storing tx done status {ack, no-ack, discard} and msdu id */
1788 DECLARE_KFIFO_PTR(txdone_fifo, struct htt_tx_done);
1789
1790 /* set if host-fw communication goes haywire
1791 * used to avoid further failures
1792 */
1793 bool rx_confused;
1794 atomic_t num_mpdus_ready;
1795
1796 /* This is used to group tx/rx completions separately and process them
1797 * in batches to reduce cache stalls
1798 */
1799 struct sk_buff_head rx_msdus_q;
1800 struct sk_buff_head rx_in_ord_compl_q;
1801 struct sk_buff_head tx_fetch_ind_q;
1802
1803 /* rx_status template */
1804 struct ieee80211_rx_status rx_status;
1805
1806 struct {
1807 dma_addr_t paddr;
1808 union {
1809 struct htt_msdu_ext_desc *vaddr_desc_32;
1810 struct htt_msdu_ext_desc_64 *vaddr_desc_64;
1811 };
1812 size_t size;
1813 } frag_desc;
1814
1815 struct {
1816 dma_addr_t paddr;
1817 union {
1818 struct ath10k_htt_txbuf_32 *vaddr_txbuff_32;
1819 struct ath10k_htt_txbuf_64 *vaddr_txbuff_64;
1820 };
1821 size_t size;
1822 } txbuf;
1823
1824 struct {
1825 bool enabled;
1826 struct htt_q_state *vaddr;
1827 dma_addr_t paddr;
1828 u16 num_push_allowed;
1829 u16 num_peers;
1830 u16 num_tids;
1831 enum htt_tx_mode_switch_mode mode;
1832 enum htt_q_depth_type type;
1833 } tx_q_state;
1834
1835 bool tx_mem_allocated;
1836 const struct ath10k_htt_tx_ops *tx_ops;
1837 const struct ath10k_htt_rx_ops *rx_ops;
1838};
1839
1840struct ath10k_htt_tx_ops {
1841 int (*htt_send_rx_ring_cfg)(struct ath10k_htt *htt);
1842 int (*htt_send_frag_desc_bank_cfg)(struct ath10k_htt *htt);
1843 int (*htt_alloc_frag_desc)(struct ath10k_htt *htt);
1844 void (*htt_free_frag_desc)(struct ath10k_htt *htt);
1845 int (*htt_tx)(struct ath10k_htt *htt, enum ath10k_hw_txrx_mode txmode,
1846 struct sk_buff *msdu);
1847 int (*htt_alloc_txbuff)(struct ath10k_htt *htt);
1848 void (*htt_free_txbuff)(struct ath10k_htt *htt);
1849};
1850
1851struct ath10k_htt_rx_ops {
1852 size_t (*htt_get_rx_ring_size)(struct ath10k_htt *htt);
1853 void (*htt_config_paddrs_ring)(struct ath10k_htt *htt, void *vaddr);
1854 void (*htt_set_paddrs_ring)(struct ath10k_htt *htt, dma_addr_t paddr,
1855 int idx);
1856 void* (*htt_get_vaddr_ring)(struct ath10k_htt *htt);
1857 void (*htt_reset_paddrs_ring)(struct ath10k_htt *htt, int idx);
1858};
1859
1860#define RX_HTT_HDR_STATUS_LEN 64
1861
1862/* This structure layout is programmed via rx ring setup
1863 * so that FW knows how to transfer the rx descriptor to the host.
1864 * Buffers like this are placed on the rx ring.
1865 */
1866struct htt_rx_desc {
1867 union {
1868 /* This field is filled on the host using the msdu buffer
1869 * from htt_rx_indication
1870 */
1871 struct fw_rx_desc_base fw_desc;
1872 u32 pad;
1873 } __packed;
1874 struct {
1875 struct rx_attention attention;
1876 struct rx_frag_info frag_info;
1877 struct rx_mpdu_start mpdu_start;
1878 struct rx_msdu_start msdu_start;
1879 struct rx_msdu_end msdu_end;
1880 struct rx_mpdu_end mpdu_end;
1881 struct rx_ppdu_start ppdu_start;
1882 struct rx_ppdu_end ppdu_end;
1883 } __packed;
1884 u8 rx_hdr_status[RX_HTT_HDR_STATUS_LEN];
1885 u8 msdu_payload[0];
1886};
1887
1888#define HTT_RX_DESC_ALIGN 8
1889
1890#define HTT_MAC_ADDR_LEN 6
1891
1892/*
1893 * FIX THIS
1894 * Should be: sizeof(struct htt_host_rx_desc) + max rx MSDU size,
1895 * rounded up to a cache line size.
1896 */
1897#define HTT_RX_BUF_SIZE 1920
1898#define HTT_RX_MSDU_SIZE (HTT_RX_BUF_SIZE - (int)sizeof(struct htt_rx_desc))
1899
1900/* Refill a bunch of RX buffers for each refill round so that FW/HW can handle
1901 * aggregated traffic more nicely.
1902 */
1903#define ATH10K_HTT_MAX_NUM_REFILL 100
1904
1905/*
1906 * DMA_MAP expects the buffer to be an integral number of cache lines.
1907 * Rather than checking the actual cache line size, this code makes a
1908 * conservative estimate of what the cache line size could be.
1909 */
1910#define HTT_LOG2_MAX_CACHE_LINE_SIZE 7 /* 2^7 = 128 */
1911#define HTT_MAX_CACHE_LINE_SIZE_MASK ((1 << HTT_LOG2_MAX_CACHE_LINE_SIZE) - 1)
1912
1913/* These values are default in most firmware revisions and apparently are a
1914 * sweet spot performance wise.
1915 */
1916#define ATH10K_HTT_MAX_NUM_AMSDU_DEFAULT 3
1917#define ATH10K_HTT_MAX_NUM_AMPDU_DEFAULT 64
1918
1919int ath10k_htt_connect(struct ath10k_htt *htt);
1920int ath10k_htt_init(struct ath10k *ar);
1921int ath10k_htt_setup(struct ath10k_htt *htt);
1922
1923int ath10k_htt_tx_start(struct ath10k_htt *htt);
1924void ath10k_htt_tx_stop(struct ath10k_htt *htt);
1925void ath10k_htt_tx_destroy(struct ath10k_htt *htt);
1926void ath10k_htt_tx_free(struct ath10k_htt *htt);
1927
1928int ath10k_htt_rx_alloc(struct ath10k_htt *htt);
1929int ath10k_htt_rx_ring_refill(struct ath10k *ar);
1930void ath10k_htt_rx_free(struct ath10k_htt *htt);
1931
1932void ath10k_htt_htc_tx_complete(struct ath10k *ar, struct sk_buff *skb);
1933void ath10k_htt_htc_t2h_msg_handler(struct ath10k *ar, struct sk_buff *skb);
1934bool ath10k_htt_t2h_msg_handler(struct ath10k *ar, struct sk_buff *skb);
1935int ath10k_htt_h2t_ver_req_msg(struct ath10k_htt *htt);
1936int ath10k_htt_h2t_stats_req(struct ath10k_htt *htt, u8 mask, u64 cookie);
1937int ath10k_htt_h2t_aggr_cfg_msg(struct ath10k_htt *htt,
1938 u8 max_subfrms_ampdu,
1939 u8 max_subfrms_amsdu);
1940void ath10k_htt_hif_tx_complete(struct ath10k *ar, struct sk_buff *skb);
1941int ath10k_htt_tx_fetch_resp(struct ath10k *ar,
1942 __le32 token,
1943 __le16 fetch_seq_num,
1944 struct htt_tx_fetch_record *records,
1945 size_t num_records);
1946
1947void ath10k_htt_tx_txq_update(struct ieee80211_hw *hw,
1948 struct ieee80211_txq *txq);
1949void ath10k_htt_tx_txq_recalc(struct ieee80211_hw *hw,
1950 struct ieee80211_txq *txq);
1951void ath10k_htt_tx_txq_sync(struct ath10k *ar);
1952void ath10k_htt_tx_dec_pending(struct ath10k_htt *htt);
1953int ath10k_htt_tx_inc_pending(struct ath10k_htt *htt);
1954void ath10k_htt_tx_mgmt_dec_pending(struct ath10k_htt *htt);
1955int ath10k_htt_tx_mgmt_inc_pending(struct ath10k_htt *htt, bool is_mgmt,
1956 bool is_presp);
1957
1958int ath10k_htt_tx_alloc_msdu_id(struct ath10k_htt *htt, struct sk_buff *skb);
1959void ath10k_htt_tx_free_msdu_id(struct ath10k_htt *htt, u16 msdu_id);
1960int ath10k_htt_mgmt_tx(struct ath10k_htt *htt, struct sk_buff *msdu);
1961void ath10k_htt_rx_pktlog_completion_handler(struct ath10k *ar,
1962 struct sk_buff *skb);
1963int ath10k_htt_txrx_compl_task(struct ath10k *ar, int budget);
1964void ath10k_htt_set_tx_ops(struct ath10k_htt *htt);
1965void ath10k_htt_set_rx_ops(struct ath10k_htt *htt);
1966#endif