xref: /wlan-dirver/qca-wifi-host-cmn/dp/inc/cdp_txrx_mob_def.h (revision 3149adf58a329e17232a4c0e58d460d025edd55a)
1 /*
2  * Copyright (c) 2016-2018 The Linux Foundation. All rights reserved.
3  *
4  * Permission to use, copy, modify, and/or distribute this software for
5  * any purpose with or without fee is hereby granted, provided that the
6  * above copyright notice and this permission notice appear in all
7  * copies.
8  *
9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
10  * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
11  * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
12  * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
13  * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
14  * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
15  * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
16  * PERFORMANCE OF THIS SOFTWARE.
17  */
18 
19 #ifndef __CDP_TXRX_MOB_DEF_H
20 #define __CDP_TXRX_MOB_DEF_H
21 #include <sir_types.h>
22 #include <htt.h>
23 
24 #define TX_WMM_AC_NUM	4
25 
26 #define OL_TXQ_PAUSE_REASON_FW                (1 << 0)
27 #define OL_TXQ_PAUSE_REASON_PEER_UNAUTHORIZED (1 << 1)
28 #define OL_TXQ_PAUSE_REASON_TX_ABORT          (1 << 2)
29 #define OL_TXQ_PAUSE_REASON_VDEV_STOP         (1 << 3)
30 #define OL_TXQ_PAUSE_REASON_THERMAL_MITIGATION (1 << 4)
31 
32 #define OL_TXRX_INVALID_NUM_PEERS (-1)
33 
34 #define OL_TXRX_MAC_ADDR_LEN 6
35 
36 
37 /* Maximum number of station supported by data path, including BC. */
38 #define WLAN_MAX_STA_COUNT  (HAL_NUM_STA)
39 
40 /* The symbolic station ID return to HDD to specify the packet is bc/mc */
41 #define WLAN_RX_BCMC_STA_ID (WLAN_MAX_STA_COUNT + 1)
42 
43 /* The symbolic station ID return to HDD to specify the packet is
44        to soft-AP itself */
45 #define WLAN_RX_SAP_SELF_STA_ID (WLAN_MAX_STA_COUNT + 2)
46 
47 /* is 802.11 address multicast/broadcast? */
48 #define IEEE80211_IS_MULTICAST(_a)  (*(_a) & 0x01)
49 
50 #define MAX_PEERS 32
51 
52 /*
53  * Bins used for reporting delay histogram:
54  * bin 0:  0 - 10  ms delay
55  * bin 1: 10 - 20  ms delay
56  * bin 2: 20 - 40  ms delay
57  * bin 3: 40 - 80  ms delay
58  * bin 4: 80 - 160 ms delay
59  * bin 5: > 160 ms delay
60  */
61 #define QCA_TX_DELAY_HIST_REPORT_BINS 6
62 
63 /* BA actions */
64 #define IEEE80211_ACTION_BA_ADDBA_REQUEST       0       /* ADDBA request */
65 #define IEEE80211_ACTION_BA_ADDBA_RESPONSE      1       /* ADDBA response */
66 #define IEEE80211_ACTION_BA_DELBA               2       /* DELBA */
67 
68 #define IEEE80211_BA_POLICY_DELAYED      0
69 #define IEEE80211_BA_POLICY_IMMEDIATE    1
70 #define IEEE80211_BA_AMSDU_SUPPORTED     1
71 
72 /**
73  * enum netif_action_type - Type of actions on netif queues
74  * @WLAN_STOP_ALL_NETIF_QUEUE: stop all netif queues
75  * @WLAN_START_ALL_NETIF_QUEUE: start all netif queues
76  * @WLAN_WAKE_ALL_NETIF_QUEUE: wake all netif queues
77  * @WLAN_STOP_ALL_NETIF_QUEUE_N_CARRIER: stop all queues and off carrier
78  * @WLAN_START_ALL_NETIF_QUEUE_N_CARRIER: start all queues and on carrier
79  * @WLAN_NETIF_TX_DISABLE: disable tx
80  * @WLAN_NETIF_TX_DISABLE_N_CARRIER: disable tx and off carrier
81  * @WLAN_NETIF_CARRIER_ON: on carrier
82  * @WLAN_NETIF_CARRIER_OFF: off carrier
83  * @WLAN_NETIF_PRIORITY_QUEUE_ON: start priority netif queues
84  * @WLAN_NETIF_PRIORITY_QUEUE_OFF: stop priority netif queues
85  * @WLAN_WAKE_NON_PRIORITY_QUEUE: wake non priority netif queues
86  * @WLAN_STOP_NON_PRIORITY_QUEUE: stop non priority netif queues
87  */
88 enum netif_action_type {
89 	WLAN_STOP_ALL_NETIF_QUEUE = 1,
90 	WLAN_START_ALL_NETIF_QUEUE,
91 	WLAN_WAKE_ALL_NETIF_QUEUE,
92 	WLAN_STOP_ALL_NETIF_QUEUE_N_CARRIER,
93 	WLAN_START_ALL_NETIF_QUEUE_N_CARRIER,
94 	WLAN_NETIF_TX_DISABLE,
95 	WLAN_NETIF_TX_DISABLE_N_CARRIER,
96 	WLAN_NETIF_CARRIER_ON,
97 	WLAN_NETIF_CARRIER_OFF,
98 	WLAN_NETIF_PRIORITY_QUEUE_ON,
99 	WLAN_NETIF_PRIORITY_QUEUE_OFF,
100 	WLAN_WAKE_NON_PRIORITY_QUEUE,
101 	WLAN_STOP_NON_PRIORITY_QUEUE,
102 	WLAN_NETIF_ACTION_TYPE_MAX,
103 };
104 
105 /**
106  * enum netif_reason_type - reason for netif queue action
107  * @WLAN_CONTROL_PATH: action from control path
108  * @WLAN_DATA_FLOW_CONTROL: because of flow control
109  * @WLAN_FW_PAUSE: because of firmware pause
110  * @WLAN_TX_ABORT: because of tx abort
111  * @WLAN_VDEV_STOP: because of vdev stop
112  * @WLAN_PEER_UNAUTHORISED: because of peer is unauthorised
113  * @WLAN_THERMAL_MITIGATION: because of thermal mitigation
114  */
115 enum netif_reason_type {
116 	WLAN_CONTROL_PATH = 1,
117 	WLAN_DATA_FLOW_CONTROL,
118 	WLAN_FW_PAUSE,
119 	WLAN_TX_ABORT,
120 	WLAN_VDEV_STOP,
121 	WLAN_PEER_UNAUTHORISED,
122 	WLAN_THERMAL_MITIGATION,
123 	WLAN_DATA_FLOW_CONTROL_PRIORITY,
124 	WLAN_REASON_TYPE_MAX,
125 };
126 
127 enum ol_rx_err_type {
128 	OL_RX_ERR_DEFRAG_MIC,
129 	OL_RX_ERR_PN,
130 	OL_RX_ERR_UNKNOWN_PEER,
131 	OL_RX_ERR_MALFORMED,
132 	OL_RX_ERR_TKIP_MIC,
133 	OL_RX_ERR_DECRYPT,
134 	OL_RX_ERR_MPDU_LENGTH,
135 	OL_RX_ERR_ENCRYPT_REQUIRED,
136 	OL_RX_ERR_DUP,
137 	OL_RX_ERR_UNKNOWN,
138 	OL_RX_ERR_FCS,
139 	OL_RX_ERR_PRIVACY,
140 	OL_RX_ERR_NONE_FRAG,
141 	OL_RX_ERR_NONE = 0xFF
142 };
143 
144 enum throttle_level {
145 	THROTTLE_LEVEL_0,
146 	THROTTLE_LEVEL_1,
147 	THROTTLE_LEVEL_2,
148 	THROTTLE_LEVEL_3,
149 	/* Invalid */
150 	THROTTLE_LEVEL_MAX,
151 };
152 
153 enum {
154 	OL_TX_WMM_AC_BE,
155 	OL_TX_WMM_AC_BK,
156 	OL_TX_WMM_AC_VI,
157 	OL_TX_WMM_AC_VO,
158 	OL_TX_NUM_WMM_AC
159 };
160 
161 /**
162  * @enum ol_tx_spec
163  * @brief indicate what non-standard transmission actions to apply
164  * @details
165  *  Indicate one or more of the following:
166  *    - The tx frame already has a complete 802.11 header.
167  *      Thus, skip 802.3/native-WiFi to 802.11 header encapsulation and
168  *      A-MSDU aggregation.
169  *    - The tx frame should not be aggregated (A-MPDU or A-MSDU)
170  *    - The tx frame is already encrypted - don't attempt encryption.
171  *    - The tx frame is a segment of a TCP jumbo frame.
172  *    - This tx frame should not be unmapped and freed by the txrx layer
173  *      after transmission, but instead given to a registered tx completion
174  *      callback.
175  *  More than one of these specification can apply, though typically
176  *  only a single specification is applied to a tx frame.
177  *  A compound specification can be created, as a bit-OR of these
178  *  specifications.
179  */
180 enum ol_tx_spec {
181 	OL_TX_SPEC_STD = 0x0,   /* do regular processing */
182 	OL_TX_SPEC_RAW = 0x1,   /* skip encap + A-MSDU aggr */
183 	OL_TX_SPEC_NO_AGGR = 0x2,       /* skip encap + all aggr */
184 	OL_TX_SPEC_NO_ENCRYPT = 0x4,    /* skip encap + encrypt */
185 	OL_TX_SPEC_TSO = 0x8,   /* TCP segmented */
186 	OL_TX_SPEC_NWIFI_NO_ENCRYPT = 0x10,     /* skip encrypt for nwifi */
187 	OL_TX_SPEC_NO_FREE = 0x20,      /* give to cb rather than free */
188 };
189 
190 /**
191  * @enum peer_debug_id_type: debug ids to track peer get_ref and release_ref
192  * @brief Unique peer debug IDs to track the callers. Each new usage can add to
193  *        this enum list to create a new "PEER_DEBUG_ID_".
194  * @PEER_DEBUG_ID_OL_INTERNAL: debug id for OL internal usage
195  * @PEER_DEBUG_ID_WMA_PKT_DROP: debug id for wma_is_pkt_drop_candidate API
196  * @PEER_DEBUG_ID_WMA_ADDBA_REQ: debug id for ADDBA request
197  * @PEER_DEBUG_ID_WMA_DELBA_REQ: debug id for DELBA request
198  * @PEER_DEBUG_ID_LIM_SEND_ADDBA_RESP: debug id for send ADDBA response
199  * @PEER_DEBUG_ID_OL_RX_THREAD: debug id for rx thread
200  * @PEER_DEBUG_ID_MAX: debug id MAX
201  */
202 enum peer_debug_id_type {
203 	PEER_DEBUG_ID_OL_INTERNAL = 0,
204 	PEER_DEBUG_ID_WMA_PKT_DROP = 1,
205 	PEER_DEBUG_ID_WMA_ADDBA_REQ = 2,
206 	PEER_DEBUG_ID_WMA_DELBA_REQ = 3,
207 	PEER_DEBUG_ID_LIM_SEND_ADDBA_RESP = 4,
208 	PEER_DEBUG_ID_OL_RX_THREAD = 5,
209 	PEER_DEBUG_ID_MAX
210 };
211 
212 /**
213  * struct ol_txrx_desc_type - txrx descriptor type
214  * @sta_id: sta id
215  * @is_qos_enabled: is station qos enabled
216  * @is_wapi_supported: is station wapi supported
217  */
218 struct ol_txrx_desc_type {
219 	uint8_t sta_id;
220 	uint8_t is_qos_enabled;
221 	uint8_t is_wapi_supported;
222 };
223 
224 /**
225  * struct ol_tx_sched_wrr_ac_specs_t - the wrr ac specs params structure
226  * @wrr_skip_weight: map to ol_tx_sched_wrr_adv_category_info_t.specs.
227  *                            wrr_skip_weight
228  * @credit_threshold: map to ol_tx_sched_wrr_adv_category_info_t.specs.
229  *                            credit_threshold
230  * @send_limit: map to ol_tx_sched_wrr_adv_category_info_t.specs.
231  *                            send_limit
232  * @credit_reserve: map to ol_tx_sched_wrr_adv_category_info_t.specs.
233  *                            credit_reserve
234  * @discard_weight: map to ol_tx_sched_wrr_adv_category_info_t.specs.
235  *                            discard_weight
236  *
237  * This structure is for wrr ac specs params set from user, it will update
238  * its content corresponding to the ol_tx_sched_wrr_adv_category_info_t.specs.
239  */
240 struct ol_tx_sched_wrr_ac_specs_t {
241 	int wrr_skip_weight;
242 	uint32_t credit_threshold;
243 	uint16_t send_limit;
244 	int credit_reserve;
245 	int discard_weight;
246 };
247 
248 /**
249  * struct txrx_pdev_cfg_param_t - configuration information
250  * passed to the data path
251  */
252 struct txrx_pdev_cfg_param_t {
253 	uint8_t is_full_reorder_offload;
254 	/* IPA Micro controller data path offload enable flag */
255 	uint8_t is_uc_offload_enabled;
256 	/* IPA Micro controller data path offload TX buffer count */
257 	uint32_t uc_tx_buffer_count;
258 	/* IPA Micro controller data path offload TX buffer size */
259 	uint32_t uc_tx_buffer_size;
260 	/* IPA Micro controller data path offload RX indication ring count */
261 	uint32_t uc_rx_indication_ring_count;
262 	/* IPA Micro controller data path offload TX partition base */
263 	uint32_t uc_tx_partition_base;
264 	/* IP, TCP and UDP checksum offload */
265 	bool ip_tcp_udp_checksum_offload;
266 	/* Rx processing in thread from TXRX */
267 	bool enable_rxthread;
268 	/* CE classification enabled through INI */
269 	bool ce_classify_enabled;
270 #ifdef QCA_LL_TX_FLOW_CONTROL_V2
271 	/* Threshold to stop queue in percentage */
272 	uint32_t tx_flow_stop_queue_th;
273 	/* Start queue offset in percentage */
274 	uint32_t tx_flow_start_queue_offset;
275 #endif
276 
277 	struct ol_tx_sched_wrr_ac_specs_t ac_specs[TX_WMM_AC_NUM];
278 };
279 
280 #ifdef IPA_OFFLOAD
281 /**
282  * ol_txrx_ipa_resources - Resources needed for IPA
283  */
284 struct ol_txrx_ipa_resources {
285 	qdf_dma_addr_t ce_sr_base_paddr;
286 	uint32_t ce_sr_ring_size;
287 	qdf_dma_addr_t ce_reg_paddr;
288 
289 	qdf_dma_addr_t tx_comp_ring_base_paddr;
290 	uint32_t tx_comp_ring_size;
291 	uint32_t tx_num_alloc_buffer;
292 
293 	qdf_dma_addr_t rx_rdy_ring_base_paddr;
294 	uint32_t rx_rdy_ring_size;
295 	qdf_dma_addr_t rx_proc_done_idx_paddr;
296 	void *rx_proc_done_idx_vaddr;
297 
298 	qdf_dma_addr_t rx2_rdy_ring_base_paddr;
299 	uint32_t rx2_rdy_ring_size;
300 	qdf_dma_addr_t rx2_proc_done_idx_paddr;
301 	void *rx2_proc_done_idx_vaddr;
302 
303 	/* IPA UC doorbell registers paddr */
304 	qdf_dma_addr_t tx_comp_doorbell_paddr;
305 	qdf_dma_addr_t rx_ready_doorbell_paddr;
306 
307 	uint32_t tx_pipe_handle;
308 	uint32_t rx_pipe_handle;
309 };
310 #endif
311 
312 struct ol_txrx_ocb_chan_info {
313 	uint32_t chan_freq;
314 	uint16_t disable_rx_stats_hdr:1;
315 };
316 
317 /**
318  * ol_mic_error_info - carries the information associated with
319  * a MIC error
320  * @vdev_id: virtual device ID
321  * @key_id: Key ID
322  * @pn: packet number
323  * @sa: source address
324  * @da: destination address
325  * @ta: transmitter address
326  */
327 struct ol_mic_error_info {
328 	uint8_t vdev_id;
329 	uint32_t key_id;
330 	uint64_t pn;
331 	uint8_t sa[OL_TXRX_MAC_ADDR_LEN];
332 	uint8_t da[OL_TXRX_MAC_ADDR_LEN];
333 	uint8_t ta[OL_TXRX_MAC_ADDR_LEN];
334 };
335 
336 /**
337  * ol_error_info - carries the information associated with an
338  * error indicated by the firmware
339  * @mic_err: MIC error information
340  */
341 struct ol_error_info {
342 	union {
343 		struct ol_mic_error_info mic_err;
344 	} u;
345 };
346 
347 
348 /**
349  * struct ol_txrx_ocb_set_chan - txrx OCB channel info
350  * @ocb_channel_count: Channel count
351  * @ocb_channel_info: OCB channel info
352  */
353 struct ol_txrx_ocb_set_chan {
354 	uint32_t ocb_channel_count;
355 	struct ol_txrx_ocb_chan_info *ocb_channel_info;
356 };
357 
358 /**
359  * @brief Parameter type to pass WMM setting to ol_txrx_set_wmm_param
360  * @details
361  *   The struct is used to specify informaiton to update TX WMM scheduler.
362  */
363 struct ol_tx_ac_param_t {
364 	uint32_t aifs;
365 	uint32_t cwmin;
366 	uint32_t cwmax;
367 };
368 
369 struct ol_tx_wmm_param_t {
370 	struct ol_tx_ac_param_t ac[OL_TX_NUM_WMM_AC];
371 };
372 
373 struct ieee80211_ba_parameterset {
374 #if _BYTE_ORDER == _BIG_ENDIAN
375 	uint16_t buffersize:10, /* B6-15  buffer size */
376 		 tid:4,       /* B2-5   TID */
377 		 bapolicy:1,  /* B1   block ack policy */
378 		 amsdusupported:1; /* B0   amsdu supported */
379 #else
380 	uint16_t amsdusupported:1,      /* B0   amsdu supported */
381 		 bapolicy:1,  /* B1   block ack policy */
382 		 tid:4,       /* B2-5   TID */
383 		 buffersize:10; /* B6-15  buffer size */
384 #endif
385 } __packed;
386 
387 struct ieee80211_ba_seqctrl {
388 #if _BYTE_ORDER == _BIG_ENDIAN
389 	uint16_t startseqnum:12,        /* B4-15  starting sequence number */
390 		 fragnum:4;   /* B0-3  fragment number */
391 #else
392 	uint16_t fragnum:4,     /* B0-3  fragment number */
393 		 startseqnum:12; /* B4-15  starting sequence number */
394 #endif
395 } __packed;
396 
397 struct ieee80211_delba_parameterset {
398 #if _BYTE_ORDER == _BIG_ENDIAN
399 	uint16_t tid:4,         /* B12-15  tid */
400 		 initiator:1, /* B11     initiator */
401 		 reserved0:11; /* B0-10   reserved */
402 #else
403 	uint16_t reserved0:11,  /* B0-10   reserved */
404 		 initiator:1, /* B11     initiator */
405 		 tid:4;       /* B12-15  tid */
406 #endif
407 } __packed;
408 
409 /**
410  * ol_txrx_vdev_peer_remove_cb - wma_remove_peer callback
411  */
412 typedef void (*ol_txrx_vdev_peer_remove_cb)(void *handle, uint8_t *bssid,
413 		uint8_t vdev_id, void *peer);
414 
415 /**
416  * ol_txrx_tx_flow_control_fp - tx flow control notification
417  * function from txrx to OS shim
418  * @osif_dev - the virtual device's OS shim object
419  * @tx_resume - tx os q should be resumed or not
420  */
421 typedef void (*ol_txrx_tx_flow_control_fp)(void *osif_dev, bool tx_resume);
422 
423 /**
424  * ol_txrx_tx_flow_control_is_pause_fp - is tx paused by flow control
425  * function from txrx to OS shim
426  * @osif_dev - the virtual device's OS shim object
427  *
428  * Return: true if tx is paused by flow control
429  */
430 typedef bool (*ol_txrx_tx_flow_control_is_pause_fp)(void *osif_dev);
431 
432 /**
433  * ol_txrx_tx_flow_control_fp - tx flow control notification
434  * function from txrx to OS shim
435  * @osif_dev - the virtual device's OS shim object
436  * @tx_resume - tx os q should be resumed or not
437  */
438 typedef void (*tx_flow_control_fp)(void *osif_dev,
439 			 bool tx_resume);
440 
441 /**
442  * @typedef tx_pause_callback
443  * @brief OSIF function registered with the data path
444  */
445 typedef void (*tx_pause_callback)(uint8_t vdev_id,
446 		enum netif_action_type action,
447 		enum netif_reason_type reason);
448 
449 typedef void (*ipa_uc_op_cb_type)(uint8_t *op_msg,
450 			void *osif_ctxt);
451 
452 #endif /* __CDP_TXRX_MOB_DEF_H */
453