xref: /wlan-dirver/qca-wifi-host-cmn/dp/wifi3.0/dp_rx.h (revision 2888b71da71bce103343119fa1b31f4a0cee07c8)
1 /*
2  * Copyright (c) 2016-2021 The Linux Foundation. All rights reserved.
3  * Copyright (c) 2021-2022 Qualcomm Innovation Center, Inc. All rights reserved.
4  *
5  * Permission to use, copy, modify, and/or distribute this software for
6  * any purpose with or without fee is hereby granted, provided that the
7  * above copyright notice and this permission notice appear in all
8  * copies.
9  *
10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
11  * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
12  * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
13  * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
14  * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
15  * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
16  * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
17  * PERFORMANCE OF THIS SOFTWARE.
18  */
19 
20 #ifndef _DP_RX_H
21 #define _DP_RX_H
22 
23 #include "hal_rx.h"
24 #include "dp_peer.h"
25 #include "dp_internal.h"
26 #include <qdf_tracepoint.h>
27 #include "dp_ipa.h"
28 
29 #ifdef RXDMA_OPTIMIZATION
30 #ifndef RX_DATA_BUFFER_ALIGNMENT
31 #define RX_DATA_BUFFER_ALIGNMENT        128
32 #endif
33 #ifndef RX_MONITOR_BUFFER_ALIGNMENT
34 #define RX_MONITOR_BUFFER_ALIGNMENT     128
35 #endif
36 #else /* RXDMA_OPTIMIZATION */
37 #define RX_DATA_BUFFER_ALIGNMENT        4
38 #define RX_MONITOR_BUFFER_ALIGNMENT     4
39 #endif /* RXDMA_OPTIMIZATION */
40 
41 #if defined(WLAN_MAX_PDEVS) && (WLAN_MAX_PDEVS == 1)
42 #define DP_WBM2SW_RBM(sw0_bm_id)	HAL_RX_BUF_RBM_SW1_BM(sw0_bm_id)
43 /* RBM value used for re-injecting defragmented packets into REO */
44 #define DP_DEFRAG_RBM(sw0_bm_id)	HAL_RX_BUF_RBM_SW3_BM(sw0_bm_id)
45 #endif
46 
47 #define RX_BUFFER_RESERVATION   0
48 #ifdef BE_PKTLOG_SUPPORT
49 #define BUFFER_RESIDUE 1
50 #define RX_MON_MIN_HEAD_ROOM   64
51 #endif
52 
53 #define DP_DEFAULT_NOISEFLOOR	(-96)
54 
55 #define DP_RX_DESC_MAGIC 0xdec0de
56 
57 #define dp_rx_alert(params...) QDF_TRACE_FATAL(QDF_MODULE_ID_DP_RX, params)
58 #define dp_rx_err(params...) QDF_TRACE_ERROR(QDF_MODULE_ID_DP_RX, params)
59 #define dp_rx_warn(params...) QDF_TRACE_WARN(QDF_MODULE_ID_DP_RX, params)
60 #define dp_rx_info(params...) \
61 	__QDF_TRACE_FL(QDF_TRACE_LEVEL_INFO_HIGH, QDF_MODULE_ID_DP_RX, ## params)
62 #define dp_rx_info_rl(params...) \
63 	__QDF_TRACE_RL(QDF_TRACE_LEVEL_INFO_HIGH, QDF_MODULE_ID_DP_RX, ## params)
64 #define dp_rx_debug(params...) QDF_TRACE_DEBUG(QDF_MODULE_ID_DP_RX, params)
65 
66 /**
67  * enum dp_rx_desc_state
68  *
69  * @RX_DESC_REPLENISH: rx desc replenished
70  * @RX_DESC_FREELIST: rx desc in freelist
71  */
72 enum dp_rx_desc_state {
73 	RX_DESC_REPLENISHED,
74 	RX_DESC_IN_FREELIST,
75 };
76 
77 #ifndef QCA_HOST_MODE_WIFI_DISABLED
78 /**
79  * struct dp_rx_desc_dbg_info
80  *
81  * @freelist_caller: name of the function that put the
82  *  the rx desc in freelist
83  * @freelist_ts: timestamp when the rx desc is put in
84  *  a freelist
85  * @replenish_caller: name of the function that last
86  *  replenished the rx desc
87  * @replenish_ts: last replenish timestamp
88  * @prev_nbuf: previous nbuf info
89  * @prev_nbuf_data_addr: previous nbuf data address
90  */
91 struct dp_rx_desc_dbg_info {
92 	char freelist_caller[QDF_MEM_FUNC_NAME_SIZE];
93 	uint64_t freelist_ts;
94 	char replenish_caller[QDF_MEM_FUNC_NAME_SIZE];
95 	uint64_t replenish_ts;
96 	qdf_nbuf_t prev_nbuf;
97 	uint8_t *prev_nbuf_data_addr;
98 };
99 
100 #endif /* QCA_HOST_MODE_WIFI_DISABLED */
101 
102 /**
103  * struct dp_rx_desc
104  *
105  * @nbuf		: VA of the "skb" posted
106  * @rx_buf_start	: VA of the original Rx buffer, before
107  *			  movement of any skb->data pointer
108  * @paddr_buf_start     : PA of the original Rx buffer, before
109  *                        movement of any frag pointer
110  * @cookie		: index into the sw array which holds
111  *			  the sw Rx descriptors
112  *			  Cookie space is 21 bits:
113  *			  lower 18 bits -- index
114  *			  upper  3 bits -- pool_id
115  * @pool_id		: pool Id for which this allocated.
116  *			  Can only be used if there is no flow
117  *			  steering
118  * @chip_id		: chip_id indicating MLO chip_id
119  *			  valid or used only in case of multi-chip MLO
120  * @in_use		  rx_desc is in use
121  * @unmapped		  used to mark rx_desc an unmapped if the corresponding
122  *			  nbuf is already unmapped
123  * @in_err_state	: Nbuf sanity failed for this descriptor.
124  * @nbuf_data_addr	: VA of nbuf data posted
125  */
126 struct dp_rx_desc {
127 	qdf_nbuf_t nbuf;
128 	uint8_t *rx_buf_start;
129 	qdf_dma_addr_t paddr_buf_start;
130 	uint32_t cookie;
131 	uint8_t	 pool_id;
132 	uint8_t chip_id;
133 #ifdef RX_DESC_DEBUG_CHECK
134 	uint32_t magic;
135 	uint8_t *nbuf_data_addr;
136 	struct dp_rx_desc_dbg_info *dbg_info;
137 #endif
138 	uint8_t	in_use:1,
139 		unmapped:1,
140 		in_err_state:1;
141 };
142 
143 #ifndef QCA_HOST_MODE_WIFI_DISABLED
144 #ifdef ATH_RX_PRI_SAVE
145 #define DP_RX_TID_SAVE(_nbuf, _tid) \
146 	(qdf_nbuf_set_priority(_nbuf, _tid))
147 #else
148 #define DP_RX_TID_SAVE(_nbuf, _tid)
149 #endif
150 
151 /* RX Descriptor Multi Page memory alloc related */
152 #define DP_RX_DESC_OFFSET_NUM_BITS 8
153 #define DP_RX_DESC_PAGE_ID_NUM_BITS 8
154 #define DP_RX_DESC_POOL_ID_NUM_BITS 4
155 
156 #define DP_RX_DESC_PAGE_ID_SHIFT DP_RX_DESC_OFFSET_NUM_BITS
157 #define DP_RX_DESC_POOL_ID_SHIFT \
158 		(DP_RX_DESC_OFFSET_NUM_BITS + DP_RX_DESC_PAGE_ID_NUM_BITS)
159 #define RX_DESC_MULTI_PAGE_COOKIE_POOL_ID_MASK \
160 	(((1 << DP_RX_DESC_POOL_ID_NUM_BITS) - 1) << DP_RX_DESC_POOL_ID_SHIFT)
161 #define RX_DESC_MULTI_PAGE_COOKIE_PAGE_ID_MASK	\
162 			(((1 << DP_RX_DESC_PAGE_ID_NUM_BITS) - 1) << \
163 			 DP_RX_DESC_PAGE_ID_SHIFT)
164 #define RX_DESC_MULTI_PAGE_COOKIE_OFFSET_MASK \
165 			((1 << DP_RX_DESC_OFFSET_NUM_BITS) - 1)
166 #define DP_RX_DESC_MULTI_PAGE_COOKIE_GET_POOL_ID(_cookie)		\
167 	(((_cookie) & RX_DESC_MULTI_PAGE_COOKIE_POOL_ID_MASK) >>	\
168 			DP_RX_DESC_POOL_ID_SHIFT)
169 #define DP_RX_DESC_MULTI_PAGE_COOKIE_GET_PAGE_ID(_cookie)		\
170 	(((_cookie) & RX_DESC_MULTI_PAGE_COOKIE_PAGE_ID_MASK) >>	\
171 			DP_RX_DESC_PAGE_ID_SHIFT)
172 #define DP_RX_DESC_MULTI_PAGE_COOKIE_GET_OFFSET(_cookie)		\
173 	((_cookie) & RX_DESC_MULTI_PAGE_COOKIE_OFFSET_MASK)
174 
175 #endif /* QCA_HOST_MODE_WIFI_DISABLED */
176 
177 #define RX_DESC_COOKIE_INDEX_SHIFT		0
178 #define RX_DESC_COOKIE_INDEX_MASK		0x3ffff /* 18 bits */
179 #define RX_DESC_COOKIE_POOL_ID_SHIFT		18
180 #define RX_DESC_COOKIE_POOL_ID_MASK		0x1c0000
181 
182 #define DP_RX_DESC_COOKIE_MAX	\
183 	(RX_DESC_COOKIE_INDEX_MASK | RX_DESC_COOKIE_POOL_ID_MASK)
184 
185 #define DP_RX_DESC_COOKIE_POOL_ID_GET(_cookie)		\
186 	(((_cookie) & RX_DESC_COOKIE_POOL_ID_MASK) >>	\
187 			RX_DESC_COOKIE_POOL_ID_SHIFT)
188 
189 #define DP_RX_DESC_COOKIE_INDEX_GET(_cookie)		\
190 	(((_cookie) & RX_DESC_COOKIE_INDEX_MASK) >>	\
191 			RX_DESC_COOKIE_INDEX_SHIFT)
192 
193 #define dp_rx_add_to_free_desc_list(head, tail, new) \
194 	__dp_rx_add_to_free_desc_list(head, tail, new, __func__)
195 
196 #define dp_rx_buffers_replenish(soc, mac_id, rxdma_srng, rx_desc_pool, \
197 				num_buffers, desc_list, tail, req_only) \
198 	__dp_rx_buffers_replenish(soc, mac_id, rxdma_srng, rx_desc_pool, \
199 				  num_buffers, desc_list, tail, req_only, \
200 				  __func__)
201 
202 #ifdef WLAN_SUPPORT_RX_FISA
203 /**
204  * dp_rx_set_hdr_pad() - set l3 padding in nbuf cb
205  * @nbuf: pkt skb pointer
206  * @l3_padding: l3 padding
207  *
208  * Return: None
209  */
210 static inline
211 void dp_rx_set_hdr_pad(qdf_nbuf_t nbuf, uint32_t l3_padding)
212 {
213 	QDF_NBUF_CB_RX_PACKET_L3_HDR_PAD(nbuf) = l3_padding;
214 }
215 #else
216 static inline
217 void dp_rx_set_hdr_pad(qdf_nbuf_t nbuf, uint32_t l3_padding)
218 {
219 }
220 #endif
221 
222 #ifdef DP_RX_SPECIAL_FRAME_NEED
223 /**
224  * dp_rx_is_special_frame() - check is RX frame special needed
225  *
226  * @nbuf: RX skb pointer
227  * @frame_mask: the mask for speical frame needed
228  *
229  * Check is RX frame wanted matched with mask
230  *
231  * Return: true - special frame needed, false - no
232  */
233 static inline
234 bool dp_rx_is_special_frame(qdf_nbuf_t nbuf, uint32_t frame_mask)
235 {
236 	if (((frame_mask & FRAME_MASK_IPV4_ARP) &&
237 	     qdf_nbuf_is_ipv4_arp_pkt(nbuf)) ||
238 	    ((frame_mask & FRAME_MASK_IPV4_DHCP) &&
239 	     qdf_nbuf_is_ipv4_dhcp_pkt(nbuf)) ||
240 	    ((frame_mask & FRAME_MASK_IPV4_EAPOL) &&
241 	     qdf_nbuf_is_ipv4_eapol_pkt(nbuf)) ||
242 	    ((frame_mask & FRAME_MASK_IPV6_DHCP) &&
243 	     qdf_nbuf_is_ipv6_dhcp_pkt(nbuf)))
244 		return true;
245 
246 	return false;
247 }
248 
249 /**
250  * dp_rx_deliver_special_frame() - Deliver the RX special frame to stack
251  *				   if matches mask
252  *
253  * @soc: Datapath soc handler
254  * @peer: pointer to DP peer
255  * @nbuf: pointer to the skb of RX frame
256  * @frame_mask: the mask for speical frame needed
257  * @rx_tlv_hdr: start of rx tlv header
258  *
259  * note: Msdu_len must have been stored in QDF_NBUF_CB_RX_PKT_LEN(nbuf) and
260  * single nbuf is expected.
261  *
262  * return: true - nbuf has been delivered to stack, false - not.
263  */
264 bool dp_rx_deliver_special_frame(struct dp_soc *soc, struct dp_txrx_peer *peer,
265 				 qdf_nbuf_t nbuf, uint32_t frame_mask,
266 				 uint8_t *rx_tlv_hdr);
267 #else
268 static inline
269 bool dp_rx_is_special_frame(qdf_nbuf_t nbuf, uint32_t frame_mask)
270 {
271 	return false;
272 }
273 
274 static inline
275 bool dp_rx_deliver_special_frame(struct dp_soc *soc, struct dp_txrx_peer *peer,
276 				 qdf_nbuf_t nbuf, uint32_t frame_mask,
277 				 uint8_t *rx_tlv_hdr)
278 {
279 	return false;
280 }
281 #endif
282 
283 #ifdef FEATURE_RX_LINKSPEED_ROAM_TRIGGER
284 /**
285  * dp_rx_data_is_specific() - Used to exclude specific frames
286  *                            not practical for getting rx
287  *                            stats like rate, mcs, nss, etc.
288  *
289  * @hal-soc_hdl: soc handler
290  * @rx_tlv_hdr: rx tlv header
291  * @nbuf: RX skb pointer
292  *
293  * Return: true - a specific frame  not suitable
294  *                for getting rx stats from it.
295  *         false - a common frame suitable for
296  *                 getting rx stats from it.
297  */
298 static inline
299 bool dp_rx_data_is_specific(hal_soc_handle_t hal_soc_hdl,
300 			    uint8_t *rx_tlv_hdr,
301 			    qdf_nbuf_t nbuf)
302 {
303 	if (qdf_unlikely(qdf_nbuf_is_da_mcbc(nbuf)))
304 		return true;
305 
306 	if (!hal_rx_tlv_first_mpdu_get(hal_soc_hdl, rx_tlv_hdr))
307 		return true;
308 
309 	if (!hal_rx_msdu_end_first_msdu_get(hal_soc_hdl, rx_tlv_hdr))
310 		return true;
311 
312 	/* ARP, EAPOL is neither IPV6 ETH nor IPV4 ETH from L3 level */
313 	if (qdf_likely(hal_rx_tlv_l3_type_get(hal_soc_hdl, rx_tlv_hdr) ==
314 	    QDF_NBUF_TRAC_IPV4_ETH_TYPE)) {
315 		if (qdf_nbuf_is_ipv4_dhcp_pkt(nbuf))
316 			return true;
317 	} else if (qdf_likely(hal_rx_tlv_l3_type_get(hal_soc_hdl, rx_tlv_hdr) ==
318 		   QDF_NBUF_TRAC_IPV6_ETH_TYPE)) {
319 		if (qdf_nbuf_is_ipv6_dhcp_pkt(nbuf))
320 			return true;
321 	} else {
322 		return true;
323 	}
324 	return false;
325 }
326 #else
327 static inline
328 bool dp_rx_data_is_specific(hal_soc_handle_t hal_soc_hdl,
329 			    uint8_t *rx_tlv_hdr,
330 			    qdf_nbuf_t nbuf)
331 
332 {
333 	/*
334 	 * default return is true to make sure that rx stats
335 	 * will not be handled when this feature is disabled
336 	 */
337 	return true;
338 }
339 #endif /* FEATURE_RX_LINKSPEED_ROAM_TRIGGER */
340 
341 #ifndef QCA_HOST_MODE_WIFI_DISABLED
342 #ifdef DP_RX_DISABLE_NDI_MDNS_FORWARDING
343 static inline
344 bool dp_rx_check_ndi_mdns_fwding(struct dp_txrx_peer *ta_txrx_peer,
345 				 qdf_nbuf_t nbuf)
346 {
347 	if (ta_txrx_peer->vdev->opmode == wlan_op_mode_ndi &&
348 	    qdf_nbuf_is_ipv6_mdns_pkt(nbuf)) {
349 		DP_PEER_PER_PKT_STATS_INC(ta_txrx_peer,
350 					  rx.intra_bss.mdns_no_fwd, 1);
351 		return false;
352 	}
353 	return true;
354 }
355 #else
356 static inline
357 bool dp_rx_check_ndi_mdns_fwding(struct dp_txrx_peer *ta_txrx_peer,
358 				 qdf_nbuf_t nbuf)
359 {
360 	return true;
361 }
362 #endif
363 #endif /* QCA_HOST_MODE_WIFI_DISABLED */
364 
365 /* DOC: Offset to obtain LLC hdr
366  *
367  * In the case of Wifi parse error
368  * to reach LLC header from beginning
369  * of VLAN tag we need to skip 8 bytes.
370  * Vlan_tag(4)+length(2)+length added
371  * by HW(2) = 8 bytes.
372  */
373 #define DP_SKIP_VLAN		8
374 
375 #ifndef QCA_HOST_MODE_WIFI_DISABLED
376 
377 /**
378  * struct dp_rx_cached_buf - rx cached buffer
379  * @list: linked list node
380  * @buf: skb buffer
381  */
382 struct dp_rx_cached_buf {
383 	qdf_list_node_t node;
384 	qdf_nbuf_t buf;
385 };
386 
387 #endif /* QCA_HOST_MODE_WIFI_DISABLED */
388 
389 /*
390  *dp_rx_xor_block() - xor block of data
391  *@b: destination data block
392  *@a: source data block
393  *@len: length of the data to process
394  *
395  *Returns: None
396  */
397 static inline void dp_rx_xor_block(uint8_t *b, const uint8_t *a, qdf_size_t len)
398 {
399 	qdf_size_t i;
400 
401 	for (i = 0; i < len; i++)
402 		b[i] ^= a[i];
403 }
404 
405 /*
406  *dp_rx_rotl() - rotate the bits left
407  *@val: unsigned integer input value
408  *@bits: number of bits
409  *
410  *Returns: Integer with left rotated by number of 'bits'
411  */
412 static inline uint32_t dp_rx_rotl(uint32_t val, int bits)
413 {
414 	return (val << bits) | (val >> (32 - bits));
415 }
416 
417 /*
418  *dp_rx_rotr() - rotate the bits right
419  *@val: unsigned integer input value
420  *@bits: number of bits
421  *
422  *Returns: Integer with right rotated by number of 'bits'
423  */
424 static inline uint32_t dp_rx_rotr(uint32_t val, int bits)
425 {
426 	return (val >> bits) | (val << (32 - bits));
427 }
428 
429 /*
430  * dp_set_rx_queue() - set queue_mapping in skb
431  * @nbuf: skb
432  * @queue_id: rx queue_id
433  *
434  * Return: void
435  */
436 #ifdef QCA_OL_RX_MULTIQ_SUPPORT
437 static inline void dp_set_rx_queue(qdf_nbuf_t nbuf, uint8_t queue_id)
438 {
439 	qdf_nbuf_record_rx_queue(nbuf, queue_id);
440 	return;
441 }
442 #else
443 static inline void dp_set_rx_queue(qdf_nbuf_t nbuf, uint8_t queue_id)
444 {
445 }
446 #endif
447 
448 /*
449  *dp_rx_xswap() - swap the bits left
450  *@val: unsigned integer input value
451  *
452  *Returns: Integer with bits swapped
453  */
454 static inline uint32_t dp_rx_xswap(uint32_t val)
455 {
456 	return ((val & 0x00ff00ff) << 8) | ((val & 0xff00ff00) >> 8);
457 }
458 
459 /*
460  *dp_rx_get_le32_split() - get little endian 32 bits split
461  *@b0: byte 0
462  *@b1: byte 1
463  *@b2: byte 2
464  *@b3: byte 3
465  *
466  *Returns: Integer with split little endian 32 bits
467  */
468 static inline uint32_t dp_rx_get_le32_split(uint8_t b0, uint8_t b1, uint8_t b2,
469 					uint8_t b3)
470 {
471 	return b0 | (b1 << 8) | (b2 << 16) | (b3 << 24);
472 }
473 
474 /*
475  *dp_rx_get_le32() - get little endian 32 bits
476  *@b0: byte 0
477  *@b1: byte 1
478  *@b2: byte 2
479  *@b3: byte 3
480  *
481  *Returns: Integer with little endian 32 bits
482  */
483 static inline uint32_t dp_rx_get_le32(const uint8_t *p)
484 {
485 	return dp_rx_get_le32_split(p[0], p[1], p[2], p[3]);
486 }
487 
488 /*
489  * dp_rx_put_le32() - put little endian 32 bits
490  * @p: destination char array
491  * @v: source 32-bit integer
492  *
493  * Returns: None
494  */
495 static inline void dp_rx_put_le32(uint8_t *p, uint32_t v)
496 {
497 	p[0] = (v) & 0xff;
498 	p[1] = (v >> 8) & 0xff;
499 	p[2] = (v >> 16) & 0xff;
500 	p[3] = (v >> 24) & 0xff;
501 }
502 
503 /* Extract michal mic block of data */
504 #define dp_rx_michael_block(l, r)	\
505 	do {					\
506 		r ^= dp_rx_rotl(l, 17);	\
507 		l += r;				\
508 		r ^= dp_rx_xswap(l);		\
509 		l += r;				\
510 		r ^= dp_rx_rotl(l, 3);	\
511 		l += r;				\
512 		r ^= dp_rx_rotr(l, 2);	\
513 		l += r;				\
514 	} while (0)
515 
516 /**
517  * struct dp_rx_desc_list_elem_t
518  *
519  * @next		: Next pointer to form free list
520  * @rx_desc		: DP Rx descriptor
521  */
522 union dp_rx_desc_list_elem_t {
523 	union dp_rx_desc_list_elem_t *next;
524 	struct dp_rx_desc rx_desc;
525 };
526 
527 #ifdef RX_DESC_MULTI_PAGE_ALLOC
528 /**
529  * dp_rx_desc_find() - find dp rx descriptor from page ID and offset
530  * @page_id: Page ID
531  * @offset: Offset of the descriptor element
532  *
533  * Return: RX descriptor element
534  */
535 union dp_rx_desc_list_elem_t *dp_rx_desc_find(uint16_t page_id, uint16_t offset,
536 					      struct rx_desc_pool *rx_pool);
537 
538 static inline
539 struct dp_rx_desc *dp_get_rx_desc_from_cookie(struct dp_soc *soc,
540 					      struct rx_desc_pool *pool,
541 					      uint32_t cookie)
542 {
543 	uint8_t pool_id = DP_RX_DESC_MULTI_PAGE_COOKIE_GET_POOL_ID(cookie);
544 	uint16_t page_id = DP_RX_DESC_MULTI_PAGE_COOKIE_GET_PAGE_ID(cookie);
545 	uint8_t offset = DP_RX_DESC_MULTI_PAGE_COOKIE_GET_OFFSET(cookie);
546 	struct rx_desc_pool *rx_desc_pool;
547 	union dp_rx_desc_list_elem_t *rx_desc_elem;
548 
549 	if (qdf_unlikely(pool_id >= MAX_PDEV_CNT))
550 		return NULL;
551 
552 	rx_desc_pool = &pool[pool_id];
553 	rx_desc_elem = (union dp_rx_desc_list_elem_t *)
554 		(rx_desc_pool->desc_pages.cacheable_pages[page_id] +
555 		rx_desc_pool->elem_size * offset);
556 
557 	return &rx_desc_elem->rx_desc;
558 }
559 
560 static inline
561 struct dp_rx_desc *dp_get_rx_mon_status_desc_from_cookie(struct dp_soc *soc,
562 							 struct rx_desc_pool *pool,
563 							 uint32_t cookie)
564 {
565 	uint8_t pool_id = DP_RX_DESC_MULTI_PAGE_COOKIE_GET_POOL_ID(cookie);
566 	uint16_t page_id = DP_RX_DESC_MULTI_PAGE_COOKIE_GET_PAGE_ID(cookie);
567 	uint8_t offset = DP_RX_DESC_MULTI_PAGE_COOKIE_GET_OFFSET(cookie);
568 	struct rx_desc_pool *rx_desc_pool;
569 	union dp_rx_desc_list_elem_t *rx_desc_elem;
570 
571 	if (qdf_unlikely(pool_id >= NUM_RXDMA_RINGS_PER_PDEV))
572 		return NULL;
573 
574 	rx_desc_pool = &pool[pool_id];
575 	rx_desc_elem = (union dp_rx_desc_list_elem_t *)
576 		(rx_desc_pool->desc_pages.cacheable_pages[page_id] +
577 		rx_desc_pool->elem_size * offset);
578 
579 	return &rx_desc_elem->rx_desc;
580 }
581 
582 /**
583  * dp_rx_cookie_2_va_rxdma_buf() - Converts cookie to a virtual address of
584  *			 the Rx descriptor on Rx DMA source ring buffer
585  * @soc: core txrx main context
586  * @cookie: cookie used to lookup virtual address
587  *
588  * Return: Pointer to the Rx descriptor
589  */
590 static inline
591 struct dp_rx_desc *dp_rx_cookie_2_va_rxdma_buf(struct dp_soc *soc,
592 					       uint32_t cookie)
593 {
594 	return dp_get_rx_desc_from_cookie(soc, &soc->rx_desc_buf[0], cookie);
595 }
596 
597 /**
598  * dp_rx_cookie_2_va_mon_buf() - Converts cookie to a virtual address of
599  *			 the Rx descriptor on monitor ring buffer
600  * @soc: core txrx main context
601  * @cookie: cookie used to lookup virtual address
602  *
603  * Return: Pointer to the Rx descriptor
604  */
605 static inline
606 struct dp_rx_desc *dp_rx_cookie_2_va_mon_buf(struct dp_soc *soc,
607 					     uint32_t cookie)
608 {
609 	return dp_get_rx_desc_from_cookie(soc, &soc->rx_desc_mon[0], cookie);
610 }
611 
612 /**
613  * dp_rx_cookie_2_va_mon_status() - Converts cookie to a virtual address of
614  *			 the Rx descriptor on monitor status ring buffer
615  * @soc: core txrx main context
616  * @cookie: cookie used to lookup virtual address
617  *
618  * Return: Pointer to the Rx descriptor
619  */
620 static inline
621 struct dp_rx_desc *dp_rx_cookie_2_va_mon_status(struct dp_soc *soc,
622 						uint32_t cookie)
623 {
624 	return dp_get_rx_mon_status_desc_from_cookie(soc,
625 						     &soc->rx_desc_status[0],
626 						     cookie);
627 }
628 #else
629 
630 void dp_rx_desc_pool_init(struct dp_soc *soc, uint32_t pool_id,
631 			  uint32_t pool_size,
632 			  struct rx_desc_pool *rx_desc_pool);
633 
634 /**
635  * dp_rx_cookie_2_va_rxdma_buf() - Converts cookie to a virtual address of
636  *			 the Rx descriptor on Rx DMA source ring buffer
637  * @soc: core txrx main context
638  * @cookie: cookie used to lookup virtual address
639  *
640  * Return: void *: Virtual Address of the Rx descriptor
641  */
642 static inline
643 void *dp_rx_cookie_2_va_rxdma_buf(struct dp_soc *soc, uint32_t cookie)
644 {
645 	uint8_t pool_id = DP_RX_DESC_COOKIE_POOL_ID_GET(cookie);
646 	uint16_t index = DP_RX_DESC_COOKIE_INDEX_GET(cookie);
647 	struct rx_desc_pool *rx_desc_pool;
648 
649 	if (qdf_unlikely(pool_id >= MAX_RXDESC_POOLS))
650 		return NULL;
651 
652 	rx_desc_pool = &soc->rx_desc_buf[pool_id];
653 
654 	if (qdf_unlikely(index >= rx_desc_pool->pool_size))
655 		return NULL;
656 
657 	return &rx_desc_pool->array[index].rx_desc;
658 }
659 
660 /**
661  * dp_rx_cookie_2_va_mon_buf() - Converts cookie to a virtual address of
662  *			 the Rx descriptor on monitor ring buffer
663  * @soc: core txrx main context
664  * @cookie: cookie used to lookup virtual address
665  *
666  * Return: void *: Virtual Address of the Rx descriptor
667  */
668 static inline
669 void *dp_rx_cookie_2_va_mon_buf(struct dp_soc *soc, uint32_t cookie)
670 {
671 	uint8_t pool_id = DP_RX_DESC_COOKIE_POOL_ID_GET(cookie);
672 	uint16_t index = DP_RX_DESC_COOKIE_INDEX_GET(cookie);
673 	/* TODO */
674 	/* Add sanity for pool_id & index */
675 	return &(soc->rx_desc_mon[pool_id].array[index].rx_desc);
676 }
677 
678 /**
679  * dp_rx_cookie_2_va_mon_status() - Converts cookie to a virtual address of
680  *			 the Rx descriptor on monitor status ring buffer
681  * @soc: core txrx main context
682  * @cookie: cookie used to lookup virtual address
683  *
684  * Return: void *: Virtual Address of the Rx descriptor
685  */
686 static inline
687 void *dp_rx_cookie_2_va_mon_status(struct dp_soc *soc, uint32_t cookie)
688 {
689 	uint8_t pool_id = DP_RX_DESC_COOKIE_POOL_ID_GET(cookie);
690 	uint16_t index = DP_RX_DESC_COOKIE_INDEX_GET(cookie);
691 	/* TODO */
692 	/* Add sanity for pool_id & index */
693 	return &(soc->rx_desc_status[pool_id].array[index].rx_desc);
694 }
695 #endif /* RX_DESC_MULTI_PAGE_ALLOC */
696 
697 #ifndef QCA_HOST_MODE_WIFI_DISABLED
698 
699 static inline bool dp_rx_check_ap_bridge(struct dp_vdev *vdev)
700 {
701 	return vdev->ap_bridge_enabled;
702 }
703 
704 #ifdef DP_RX_DESC_COOKIE_INVALIDATE
705 static inline QDF_STATUS
706 dp_rx_cookie_check_and_invalidate(hal_ring_desc_t ring_desc)
707 {
708 	if (qdf_unlikely(HAL_RX_REO_BUF_COOKIE_INVALID_GET(ring_desc)))
709 		return QDF_STATUS_E_FAILURE;
710 
711 	HAL_RX_REO_BUF_COOKIE_INVALID_SET(ring_desc);
712 	return QDF_STATUS_SUCCESS;
713 }
714 
715 /**
716  * dp_rx_cookie_reset_invalid_bit() - Reset the invalid bit of the cookie
717  *  field in ring descriptor
718  * @ring_desc: ring descriptor
719  *
720  * Return: None
721  */
722 static inline void
723 dp_rx_cookie_reset_invalid_bit(hal_ring_desc_t ring_desc)
724 {
725 	HAL_RX_REO_BUF_COOKIE_INVALID_RESET(ring_desc);
726 }
727 #else
728 static inline QDF_STATUS
729 dp_rx_cookie_check_and_invalidate(hal_ring_desc_t ring_desc)
730 {
731 	return QDF_STATUS_SUCCESS;
732 }
733 
734 static inline void
735 dp_rx_cookie_reset_invalid_bit(hal_ring_desc_t ring_desc)
736 {
737 }
738 #endif
739 
740 #endif /* QCA_HOST_MODE_WIFI_DISABLED */
741 
742 #if defined(RX_DESC_MULTI_PAGE_ALLOC) && \
743 	defined(DP_WAR_VALIDATE_RX_ERR_MSDU_COOKIE)
744 /**
745  * dp_rx_is_sw_cookie_valid() - check whether SW cookie valid
746  * @soc: dp soc ref
747  * @cookie: Rx buf SW cookie value
748  *
749  * Return: true if cookie is valid else false
750  */
751 static inline bool dp_rx_is_sw_cookie_valid(struct dp_soc *soc,
752 					    uint32_t cookie)
753 {
754 	uint8_t pool_id = DP_RX_DESC_MULTI_PAGE_COOKIE_GET_POOL_ID(cookie);
755 	uint16_t page_id = DP_RX_DESC_MULTI_PAGE_COOKIE_GET_PAGE_ID(cookie);
756 	uint8_t offset = DP_RX_DESC_MULTI_PAGE_COOKIE_GET_OFFSET(cookie);
757 	struct rx_desc_pool *rx_desc_pool;
758 
759 	if (qdf_unlikely(pool_id >= MAX_PDEV_CNT))
760 		goto fail;
761 
762 	rx_desc_pool = &soc->rx_desc_buf[pool_id];
763 
764 	if (page_id >= rx_desc_pool->desc_pages.num_pages ||
765 	    offset >= rx_desc_pool->desc_pages.num_element_per_page)
766 		goto fail;
767 
768 	return true;
769 
770 fail:
771 	DP_STATS_INC(soc, rx.err.invalid_cookie, 1);
772 	return false;
773 }
774 #else
775 /**
776  * dp_rx_is_sw_cookie_valid() - check whether SW cookie valid
777  * @soc: dp soc ref
778  * @cookie: Rx buf SW cookie value
779  *
780  * When multi page alloc is disabled SW cookie validness is
781  * checked while fetching Rx descriptor, so no need to check here
782  * Return: true if cookie is valid else false
783  */
784 static inline bool dp_rx_is_sw_cookie_valid(struct dp_soc *soc,
785 					    uint32_t cookie)
786 {
787 	return true;
788 }
789 #endif
790 
791 QDF_STATUS dp_rx_desc_pool_is_allocated(struct rx_desc_pool *rx_desc_pool);
792 QDF_STATUS dp_rx_desc_pool_alloc(struct dp_soc *soc,
793 				 uint32_t pool_size,
794 				 struct rx_desc_pool *rx_desc_pool);
795 
796 void dp_rx_desc_pool_init(struct dp_soc *soc, uint32_t pool_id,
797 			  uint32_t pool_size,
798 			  struct rx_desc_pool *rx_desc_pool);
799 
800 void dp_rx_add_desc_list_to_free_list(struct dp_soc *soc,
801 				union dp_rx_desc_list_elem_t **local_desc_list,
802 				union dp_rx_desc_list_elem_t **tail,
803 				uint16_t pool_id,
804 				struct rx_desc_pool *rx_desc_pool);
805 
806 uint16_t dp_rx_get_free_desc_list(struct dp_soc *soc, uint32_t pool_id,
807 				struct rx_desc_pool *rx_desc_pool,
808 				uint16_t num_descs,
809 				union dp_rx_desc_list_elem_t **desc_list,
810 				union dp_rx_desc_list_elem_t **tail);
811 
812 QDF_STATUS dp_rx_pdev_desc_pool_alloc(struct dp_pdev *pdev);
813 void dp_rx_pdev_desc_pool_free(struct dp_pdev *pdev);
814 
815 QDF_STATUS dp_rx_pdev_desc_pool_init(struct dp_pdev *pdev);
816 void dp_rx_pdev_desc_pool_deinit(struct dp_pdev *pdev);
817 void dp_rx_desc_pool_deinit(struct dp_soc *soc,
818 			    struct rx_desc_pool *rx_desc_pool,
819 			    uint32_t pool_id);
820 
821 QDF_STATUS dp_rx_pdev_attach(struct dp_pdev *pdev);
822 QDF_STATUS dp_rx_pdev_buffers_alloc(struct dp_pdev *pdev);
823 void dp_rx_pdev_buffers_free(struct dp_pdev *pdev);
824 
825 void dp_rx_pdev_detach(struct dp_pdev *pdev);
826 
827 void dp_print_napi_stats(struct dp_soc *soc);
828 
829 /**
830  * dp_rx_vdev_detach() - detach vdev from dp rx
831  * @vdev: virtual device instance
832  *
833  * Return: QDF_STATUS_SUCCESS: success
834  *         QDF_STATUS_E_RESOURCES: Error return
835  */
836 QDF_STATUS dp_rx_vdev_detach(struct dp_vdev *vdev);
837 
838 #ifndef QCA_HOST_MODE_WIFI_DISABLED
839 
840 uint32_t
841 dp_rx_process(struct dp_intr *int_ctx, hal_ring_handle_t hal_ring_hdl,
842 	      uint8_t reo_ring_num,
843 	      uint32_t quota);
844 
845 /**
846  * dp_rx_err_process() - Processes error frames routed to REO error ring
847  * @int_ctx: pointer to DP interrupt context
848  * @soc: core txrx main context
849  * @hal_ring: opaque pointer to the HAL Rx Error Ring, which will be serviced
850  * @quota: No. of units (packets) that can be serviced in one shot.
851  *
852  * This function implements error processing and top level demultiplexer
853  * for all the frames routed to REO error ring.
854  *
855  * Return: uint32_t: No. of elements processed
856  */
857 uint32_t dp_rx_err_process(struct dp_intr *int_ctx, struct dp_soc *soc,
858 			   hal_ring_handle_t hal_ring_hdl, uint32_t quota);
859 
860 /**
861  * dp_rx_wbm_err_process() - Processes error frames routed to WBM release ring
862  * @int_ctx: pointer to DP interrupt context
863  * @soc: core txrx main context
864  * @hal_ring: opaque pointer to the HAL Rx Error Ring, which will be serviced
865  * @quota: No. of units (packets) that can be serviced in one shot.
866  *
867  * This function implements error processing and top level demultiplexer
868  * for all the frames routed to WBM2HOST sw release ring.
869  *
870  * Return: uint32_t: No. of elements processed
871  */
872 uint32_t
873 dp_rx_wbm_err_process(struct dp_intr *int_ctx, struct dp_soc *soc,
874 		      hal_ring_handle_t hal_ring_hdl, uint32_t quota);
875 
876 /**
877  * dp_rx_sg_create() - create a frag_list for MSDUs which are spread across
878  *		     multiple nbufs.
879  * @soc: core txrx main context
880  * @nbuf: pointer to the first msdu of an amsdu.
881  *
882  * This function implements the creation of RX frag_list for cases
883  * where an MSDU is spread across multiple nbufs.
884  *
885  * Return: returns the head nbuf which contains complete frag_list.
886  */
887 qdf_nbuf_t dp_rx_sg_create(struct dp_soc *soc, qdf_nbuf_t nbuf);
888 
889 
890 /*
891  * dp_rx_desc_nbuf_and_pool_free() - free the sw rx desc pool called during
892  *				     de-initialization of wifi module.
893  *
894  * @soc: core txrx main context
895  * @pool_id: pool_id which is one of 3 mac_ids
896  * @rx_desc_pool: rx descriptor pool pointer
897  *
898  * Return: None
899  */
900 void dp_rx_desc_nbuf_and_pool_free(struct dp_soc *soc, uint32_t pool_id,
901 				   struct rx_desc_pool *rx_desc_pool);
902 
903 #endif /* QCA_HOST_MODE_WIFI_DISABLED */
904 
905 /*
906  * dp_rx_desc_nbuf_free() - free the sw rx desc nbufs called during
907  *			    de-initialization of wifi module.
908  *
909  * @soc: core txrx main context
910  * @pool_id: pool_id which is one of 3 mac_ids
911  * @rx_desc_pool: rx descriptor pool pointer
912  *
913  * Return: None
914  */
915 void dp_rx_desc_nbuf_free(struct dp_soc *soc,
916 			  struct rx_desc_pool *rx_desc_pool);
917 
918 #ifdef DP_RX_MON_MEM_FRAG
919 /*
920  * dp_rx_desc_frag_free() - free the sw rx desc frag called during
921  *			    de-initialization of wifi module.
922  *
923  * @soc: core txrx main context
924  * @rx_desc_pool: rx descriptor pool pointer
925  *
926  * Return: None
927  */
928 void dp_rx_desc_frag_free(struct dp_soc *soc,
929 			  struct rx_desc_pool *rx_desc_pool);
930 #else
931 static inline
932 void dp_rx_desc_frag_free(struct dp_soc *soc,
933 			  struct rx_desc_pool *rx_desc_pool)
934 {
935 }
936 #endif
937 /*
938  * dp_rx_desc_pool_free() - free the sw rx desc array called during
939  *			    de-initialization of wifi module.
940  *
941  * @soc: core txrx main context
942  * @rx_desc_pool: rx descriptor pool pointer
943  *
944  * Return: None
945  */
946 void dp_rx_desc_pool_free(struct dp_soc *soc,
947 			  struct rx_desc_pool *rx_desc_pool);
948 
949 void dp_rx_deliver_raw(struct dp_vdev *vdev, qdf_nbuf_t nbuf_list,
950 				struct dp_txrx_peer *peer);
951 
952 #ifdef RX_DESC_LOGGING
953 /*
954  * dp_rx_desc_alloc_dbg_info() - Alloc memory for rx descriptor debug
955  *  structure
956  * @rx_desc: rx descriptor pointer
957  *
958  * Return: None
959  */
960 static inline
961 void dp_rx_desc_alloc_dbg_info(struct dp_rx_desc *rx_desc)
962 {
963 	rx_desc->dbg_info = qdf_mem_malloc(sizeof(struct dp_rx_desc_dbg_info));
964 }
965 
966 /*
967  * dp_rx_desc_free_dbg_info() - Free rx descriptor debug
968  *  structure memory
969  * @rx_desc: rx descriptor pointer
970  *
971  * Return: None
972  */
973 static inline
974 void dp_rx_desc_free_dbg_info(struct dp_rx_desc *rx_desc)
975 {
976 	qdf_mem_free(rx_desc->dbg_info);
977 }
978 
979 /*
980  * dp_rx_desc_update_dbg_info() - Update rx descriptor debug info
981  *  structure memory
982  * @rx_desc: rx descriptor pointer
983  *
984  * Return: None
985  */
986 static
987 void dp_rx_desc_update_dbg_info(struct dp_rx_desc *rx_desc,
988 				const char *func_name, uint8_t flag)
989 {
990 	struct dp_rx_desc_dbg_info *info = rx_desc->dbg_info;
991 
992 	if (!info)
993 		return;
994 
995 	if (flag == RX_DESC_REPLENISHED) {
996 		qdf_str_lcopy(info->replenish_caller, func_name,
997 			      QDF_MEM_FUNC_NAME_SIZE);
998 		info->replenish_ts = qdf_get_log_timestamp();
999 	} else {
1000 		qdf_str_lcopy(info->freelist_caller, func_name,
1001 			      QDF_MEM_FUNC_NAME_SIZE);
1002 		info->freelist_ts = qdf_get_log_timestamp();
1003 		info->prev_nbuf = rx_desc->nbuf;
1004 		info->prev_nbuf_data_addr = rx_desc->nbuf_data_addr;
1005 		rx_desc->nbuf_data_addr = NULL;
1006 	}
1007 }
1008 #else
1009 
1010 static inline
1011 void dp_rx_desc_alloc_dbg_info(struct dp_rx_desc *rx_desc)
1012 {
1013 }
1014 
1015 static inline
1016 void dp_rx_desc_free_dbg_info(struct dp_rx_desc *rx_desc)
1017 {
1018 }
1019 
1020 static inline
1021 void dp_rx_desc_update_dbg_info(struct dp_rx_desc *rx_desc,
1022 				const char *func_name, uint8_t flag)
1023 {
1024 }
1025 #endif /* RX_DESC_LOGGING */
1026 
1027 /**
1028  * dp_rx_add_to_free_desc_list() - Adds to a local free descriptor list
1029  *
1030  * @head: pointer to the head of local free list
1031  * @tail: pointer to the tail of local free list
1032  * @new: new descriptor that is added to the free list
1033  * @func_name: caller func name
1034  *
1035  * Return: void:
1036  */
1037 static inline
1038 void __dp_rx_add_to_free_desc_list(union dp_rx_desc_list_elem_t **head,
1039 				 union dp_rx_desc_list_elem_t **tail,
1040 				 struct dp_rx_desc *new, const char *func_name)
1041 {
1042 	qdf_assert(head && new);
1043 
1044 	dp_rx_desc_update_dbg_info(new, func_name, RX_DESC_IN_FREELIST);
1045 
1046 	new->nbuf = NULL;
1047 	new->in_use = 0;
1048 
1049 	((union dp_rx_desc_list_elem_t *)new)->next = *head;
1050 	*head = (union dp_rx_desc_list_elem_t *)new;
1051 	/* reset tail if head->next is NULL */
1052 	if (!*tail || !(*head)->next)
1053 		*tail = *head;
1054 }
1055 
1056 uint8_t dp_rx_process_invalid_peer(struct dp_soc *soc, qdf_nbuf_t nbuf,
1057 				   uint8_t mac_id);
1058 void dp_rx_process_invalid_peer_wrapper(struct dp_soc *soc,
1059 		qdf_nbuf_t mpdu, bool mpdu_done, uint8_t mac_id);
1060 void dp_rx_process_mic_error(struct dp_soc *soc, qdf_nbuf_t nbuf,
1061 			     uint8_t *rx_tlv_hdr, struct dp_txrx_peer *peer);
1062 void dp_2k_jump_handle(struct dp_soc *soc, qdf_nbuf_t nbuf, uint8_t *rx_tlv_hdr,
1063 		       uint16_t peer_id, uint8_t tid);
1064 
1065 #define DP_RX_HEAD_APPEND(head, elem) \
1066 	do {                                                            \
1067 		qdf_nbuf_set_next((elem), (head));			\
1068 		(head) = (elem);                                        \
1069 	} while (0)
1070 
1071 
1072 #define DP_RX_LIST_APPEND(head, tail, elem) \
1073 	do {                                                          \
1074 		if (!(head)) {                                        \
1075 			(head) = (elem);                              \
1076 			QDF_NBUF_CB_RX_NUM_ELEMENTS_IN_LIST(head) = 1;\
1077 		} else {                                              \
1078 			qdf_nbuf_set_next((tail), (elem));            \
1079 			QDF_NBUF_CB_RX_NUM_ELEMENTS_IN_LIST(head)++;  \
1080 		}                                                     \
1081 		(tail) = (elem);                                      \
1082 		qdf_nbuf_set_next((tail), NULL);                      \
1083 	} while (0)
1084 
1085 #define DP_RX_MERGE_TWO_LIST(phead, ptail, chead, ctail) \
1086 	do {                                                          \
1087 		if (!(phead)) {                                       \
1088 			(phead) = (chead);                            \
1089 		} else {                                              \
1090 			qdf_nbuf_set_next((ptail), (chead));          \
1091 			QDF_NBUF_CB_RX_NUM_ELEMENTS_IN_LIST(phead) += \
1092 			QDF_NBUF_CB_RX_NUM_ELEMENTS_IN_LIST(chead);   \
1093 		}                                                     \
1094 		(ptail) = (ctail);                                    \
1095 		qdf_nbuf_set_next((ptail), NULL);                     \
1096 	} while (0)
1097 
1098 #if defined(QCA_PADDR_CHECK_ON_3TH_PLATFORM)
1099 /*
1100  * on some third-party platform, the memory below 0x2000
1101  * is reserved for target use, so any memory allocated in this
1102  * region should not be used by host
1103  */
1104 #define MAX_RETRY 50
1105 #define DP_PHY_ADDR_RESERVED	0x2000
1106 #elif defined(BUILD_X86)
1107 /*
1108  * in M2M emulation platforms (x86) the memory below 0x50000000
1109  * is reserved for target use, so any memory allocated in this
1110  * region should not be used by host
1111  */
1112 #define MAX_RETRY 100
1113 #define DP_PHY_ADDR_RESERVED	0x50000000
1114 #endif
1115 
1116 #if defined(QCA_PADDR_CHECK_ON_3TH_PLATFORM) || defined(BUILD_X86)
1117 /**
1118  * dp_check_paddr() - check if current phy address is valid or not
1119  * @dp_soc: core txrx main context
1120  * @rx_netbuf: skb buffer
1121  * @paddr: physical address
1122  * @rx_desc_pool: struct of rx descriptor pool
1123  * check if the physical address of the nbuf->data is less
1124  * than DP_PHY_ADDR_RESERVED then free the nbuf and try
1125  * allocating new nbuf. We can try for 100 times.
1126  *
1127  * This is a temp WAR till we fix it properly.
1128  *
1129  * Return: success or failure.
1130  */
1131 static inline
1132 int dp_check_paddr(struct dp_soc *dp_soc,
1133 		   qdf_nbuf_t *rx_netbuf,
1134 		   qdf_dma_addr_t *paddr,
1135 		   struct rx_desc_pool *rx_desc_pool)
1136 {
1137 	uint32_t nbuf_retry = 0;
1138 	int32_t ret;
1139 
1140 	if (qdf_likely(*paddr > DP_PHY_ADDR_RESERVED))
1141 		return QDF_STATUS_SUCCESS;
1142 
1143 	do {
1144 		dp_debug("invalid phy addr 0x%llx, trying again",
1145 			 (uint64_t)(*paddr));
1146 		nbuf_retry++;
1147 		if ((*rx_netbuf)) {
1148 			/* Not freeing buffer intentionally.
1149 			 * Observed that same buffer is getting
1150 			 * re-allocated resulting in longer load time
1151 			 * WMI init timeout.
1152 			 * This buffer is anyway not useful so skip it.
1153 			 *.Add such buffer to invalid list and free
1154 			 *.them when driver unload.
1155 			 **/
1156 			qdf_nbuf_unmap_nbytes_single(dp_soc->osdev,
1157 						     *rx_netbuf,
1158 						     QDF_DMA_FROM_DEVICE,
1159 						     rx_desc_pool->buf_size);
1160 			qdf_nbuf_queue_add(&dp_soc->invalid_buf_queue,
1161 					   *rx_netbuf);
1162 		}
1163 
1164 		*rx_netbuf = qdf_nbuf_alloc(dp_soc->osdev,
1165 					    rx_desc_pool->buf_size,
1166 					    RX_BUFFER_RESERVATION,
1167 					    rx_desc_pool->buf_alignment,
1168 					    FALSE);
1169 
1170 		if (qdf_unlikely(!(*rx_netbuf)))
1171 			return QDF_STATUS_E_FAILURE;
1172 
1173 		ret = qdf_nbuf_map_nbytes_single(dp_soc->osdev,
1174 						 *rx_netbuf,
1175 						 QDF_DMA_FROM_DEVICE,
1176 						 rx_desc_pool->buf_size);
1177 
1178 		if (qdf_unlikely(ret == QDF_STATUS_E_FAILURE)) {
1179 			qdf_nbuf_free(*rx_netbuf);
1180 			*rx_netbuf = NULL;
1181 			continue;
1182 		}
1183 
1184 		*paddr = qdf_nbuf_get_frag_paddr(*rx_netbuf, 0);
1185 
1186 		if (qdf_likely(*paddr > DP_PHY_ADDR_RESERVED))
1187 			return QDF_STATUS_SUCCESS;
1188 
1189 	} while (nbuf_retry < MAX_RETRY);
1190 
1191 	if ((*rx_netbuf)) {
1192 		qdf_nbuf_unmap_nbytes_single(dp_soc->osdev,
1193 					     *rx_netbuf,
1194 					     QDF_DMA_FROM_DEVICE,
1195 					     rx_desc_pool->buf_size);
1196 		qdf_nbuf_queue_add(&dp_soc->invalid_buf_queue,
1197 				   *rx_netbuf);
1198 	}
1199 
1200 	return QDF_STATUS_E_FAILURE;
1201 }
1202 
1203 #else
1204 static inline
1205 int dp_check_paddr(struct dp_soc *dp_soc,
1206 		   qdf_nbuf_t *rx_netbuf,
1207 		   qdf_dma_addr_t *paddr,
1208 		   struct rx_desc_pool *rx_desc_pool)
1209 {
1210 	return QDF_STATUS_SUCCESS;
1211 }
1212 
1213 #endif
1214 
1215 /**
1216  * dp_rx_cookie_2_link_desc_va() - Converts cookie to a virtual address of
1217  *				   the MSDU Link Descriptor
1218  * @soc: core txrx main context
1219  * @buf_info: buf_info includes cookie that is used to lookup
1220  * virtual address of link descriptor after deriving the page id
1221  * and the offset or index of the desc on the associatde page.
1222  *
1223  * This is the VA of the link descriptor, that HAL layer later uses to
1224  * retrieve the list of MSDU's for a given MPDU.
1225  *
1226  * Return: void *: Virtual Address of the Rx descriptor
1227  */
1228 static inline
1229 void *dp_rx_cookie_2_link_desc_va(struct dp_soc *soc,
1230 				  struct hal_buf_info *buf_info)
1231 {
1232 	void *link_desc_va;
1233 	struct qdf_mem_multi_page_t *pages;
1234 	uint16_t page_id = LINK_DESC_COOKIE_PAGE_ID(buf_info->sw_cookie);
1235 
1236 	pages = &soc->link_desc_pages;
1237 	if (!pages)
1238 		return NULL;
1239 	if (qdf_unlikely(page_id >= pages->num_pages))
1240 		return NULL;
1241 	link_desc_va = pages->dma_pages[page_id].page_v_addr_start +
1242 		(buf_info->paddr - pages->dma_pages[page_id].page_p_addr);
1243 	return link_desc_va;
1244 }
1245 
1246 #ifndef QCA_HOST_MODE_WIFI_DISABLED
1247 #ifdef DISABLE_EAPOL_INTRABSS_FWD
1248 #ifdef WLAN_FEATURE_11BE_MLO
1249 static inline bool dp_nbuf_dst_addr_is_mld_addr(struct dp_vdev *vdev,
1250 						qdf_nbuf_t nbuf)
1251 {
1252 	struct qdf_mac_addr *self_mld_mac_addr =
1253 				(struct qdf_mac_addr *)vdev->mld_mac_addr.raw;
1254 	return qdf_is_macaddr_equal(self_mld_mac_addr,
1255 				    (struct qdf_mac_addr *)qdf_nbuf_data(nbuf) +
1256 				    QDF_NBUF_DEST_MAC_OFFSET);
1257 }
1258 #else
1259 static inline bool dp_nbuf_dst_addr_is_mld_addr(struct dp_vdev *vdev,
1260 						qdf_nbuf_t nbuf)
1261 {
1262 	return false;
1263 }
1264 #endif
1265 
1266 static inline bool dp_nbuf_dst_addr_is_self_addr(struct dp_vdev *vdev,
1267 						 qdf_nbuf_t nbuf)
1268 {
1269 	return qdf_is_macaddr_equal((struct qdf_mac_addr *)vdev->mac_addr.raw,
1270 				    (struct qdf_mac_addr *)qdf_nbuf_data(nbuf) +
1271 				    QDF_NBUF_DEST_MAC_OFFSET);
1272 }
1273 
1274 /*
1275  * dp_rx_intrabss_eapol_drop_check() - API For EAPOL
1276  *  pkt with DA not equal to vdev mac addr, fwd is not allowed.
1277  * @soc: core txrx main context
1278  * @ta_txrx_peer: source peer entry
1279  * @rx_tlv_hdr: start address of rx tlvs
1280  * @nbuf: nbuf that has to be intrabss forwarded
1281  *
1282  * Return: true if it is forwarded else false
1283  */
1284 static inline
1285 bool dp_rx_intrabss_eapol_drop_check(struct dp_soc *soc,
1286 				     struct dp_txrx_peer *ta_txrx_peer,
1287 				     uint8_t *rx_tlv_hdr, qdf_nbuf_t nbuf)
1288 {
1289 	if (qdf_unlikely(qdf_nbuf_is_ipv4_eapol_pkt(nbuf) &&
1290 			 !(dp_nbuf_dst_addr_is_self_addr(ta_txrx_peer->vdev,
1291 							 nbuf) ||
1292 			   dp_nbuf_dst_addr_is_mld_addr(ta_txrx_peer->vdev,
1293 							nbuf)))) {
1294 		qdf_nbuf_free(nbuf);
1295 		DP_STATS_INC(soc, rx.err.intrabss_eapol_drop, 1);
1296 		return true;
1297 	}
1298 
1299 	return false;
1300 }
1301 #else /* DISABLE_EAPOL_INTRABSS_FWD */
1302 
1303 static inline
1304 bool dp_rx_intrabss_eapol_drop_check(struct dp_soc *soc,
1305 				     struct dp_txrx_peer *ta_txrx_peer,
1306 				     uint8_t *rx_tlv_hdr, qdf_nbuf_t nbuf)
1307 {
1308 	return false;
1309 }
1310 #endif /* DISABLE_EAPOL_INTRABSS_FWD */
1311 
1312 bool dp_rx_intrabss_mcbc_fwd(struct dp_soc *soc,
1313 			     struct dp_txrx_peer *ta_txrx_peer,
1314 			     uint8_t *rx_tlv_hdr, qdf_nbuf_t nbuf,
1315 			     struct cdp_tid_rx_stats *tid_stats);
1316 
1317 bool dp_rx_intrabss_ucast_fwd(struct dp_soc *soc,
1318 			      struct dp_txrx_peer *ta_txrx_peer,
1319 			      uint8_t tx_vdev_id,
1320 			      uint8_t *rx_tlv_hdr, qdf_nbuf_t nbuf,
1321 			      struct cdp_tid_rx_stats *tid_stats);
1322 
1323 /**
1324  * dp_rx_defrag_concat() - Concatenate the fragments
1325  *
1326  * @dst: destination pointer to the buffer
1327  * @src: source pointer from where the fragment payload is to be copied
1328  *
1329  * Return: QDF_STATUS
1330  */
1331 static inline QDF_STATUS dp_rx_defrag_concat(qdf_nbuf_t dst, qdf_nbuf_t src)
1332 {
1333 	/*
1334 	 * Inside qdf_nbuf_cat, if it is necessary to reallocate dst
1335 	 * to provide space for src, the headroom portion is copied from
1336 	 * the original dst buffer to the larger new dst buffer.
1337 	 * (This is needed, because the headroom of the dst buffer
1338 	 * contains the rx desc.)
1339 	 */
1340 	if (!qdf_nbuf_cat(dst, src)) {
1341 		/*
1342 		 * qdf_nbuf_cat does not free the src memory.
1343 		 * Free src nbuf before returning
1344 		 * For failure case the caller takes of freeing the nbuf
1345 		 */
1346 		qdf_nbuf_free(src);
1347 		return QDF_STATUS_SUCCESS;
1348 	}
1349 
1350 	return QDF_STATUS_E_DEFRAG_ERROR;
1351 }
1352 
1353 #endif /* QCA_HOST_MODE_WIFI_DISABLED */
1354 
1355 #ifndef FEATURE_WDS
1356 void dp_rx_da_learn(struct dp_soc *soc, uint8_t *rx_tlv_hdr,
1357 		    struct dp_txrx_peer *ta_txrx_peer, qdf_nbuf_t nbuf);
1358 
1359 static inline QDF_STATUS dp_rx_ast_set_active(struct dp_soc *soc, uint16_t sa_idx, bool is_active)
1360 {
1361 	return QDF_STATUS_SUCCESS;
1362 }
1363 
1364 static inline void
1365 dp_rx_wds_srcport_learn(struct dp_soc *soc,
1366 			uint8_t *rx_tlv_hdr,
1367 			struct dp_txrx_peer *txrx_peer,
1368 			qdf_nbuf_t nbuf,
1369 			struct hal_rx_msdu_metadata msdu_metadata)
1370 {
1371 }
1372 
1373 static inline void
1374 dp_rx_ipa_wds_srcport_learn(struct dp_soc *soc,
1375 			    struct dp_peer *ta_peer, qdf_nbuf_t nbuf,
1376 			    struct hal_rx_msdu_metadata msdu_end_info,
1377 			    bool ad4_valid, bool chfrag_start)
1378 {
1379 }
1380 #endif
1381 
1382 /*
1383  * dp_rx_desc_dump() - dump the sw rx descriptor
1384  *
1385  * @rx_desc: sw rx descriptor
1386  */
1387 static inline void dp_rx_desc_dump(struct dp_rx_desc *rx_desc)
1388 {
1389 	dp_info("rx_desc->nbuf: %pK, rx_desc->cookie: %d, rx_desc->pool_id: %d, rx_desc->in_use: %d, rx_desc->unmapped: %d",
1390 		rx_desc->nbuf, rx_desc->cookie, rx_desc->pool_id,
1391 		rx_desc->in_use, rx_desc->unmapped);
1392 }
1393 
1394 #ifndef QCA_HOST_MODE_WIFI_DISABLED
1395 
1396 /*
1397  * check_qwrap_multicast_loopback() - Check if rx packet is a loopback packet.
1398  *					In qwrap mode, packets originated from
1399  *					any vdev should not loopback and
1400  *					should be dropped.
1401  * @vdev: vdev on which rx packet is received
1402  * @nbuf: rx pkt
1403  *
1404  */
1405 #if ATH_SUPPORT_WRAP
1406 static inline bool check_qwrap_multicast_loopback(struct dp_vdev *vdev,
1407 						qdf_nbuf_t nbuf)
1408 {
1409 	struct dp_vdev *psta_vdev;
1410 	struct dp_pdev *pdev = vdev->pdev;
1411 	uint8_t *data = qdf_nbuf_data(nbuf);
1412 
1413 	if (qdf_unlikely(vdev->proxysta_vdev)) {
1414 		/* In qwrap isolation mode, allow loopback packets as all
1415 		 * packets go to RootAP and Loopback on the mpsta.
1416 		 */
1417 		if (vdev->isolation_vdev)
1418 			return false;
1419 		TAILQ_FOREACH(psta_vdev, &pdev->vdev_list, vdev_list_elem) {
1420 			if (qdf_unlikely(psta_vdev->proxysta_vdev &&
1421 					 !qdf_mem_cmp(psta_vdev->mac_addr.raw,
1422 						      &data[QDF_MAC_ADDR_SIZE],
1423 						      QDF_MAC_ADDR_SIZE))) {
1424 				/* Drop packet if source address is equal to
1425 				 * any of the vdev addresses.
1426 				 */
1427 				return true;
1428 			}
1429 		}
1430 	}
1431 	return false;
1432 }
1433 #else
1434 static inline bool check_qwrap_multicast_loopback(struct dp_vdev *vdev,
1435 						qdf_nbuf_t nbuf)
1436 {
1437 	return false;
1438 }
1439 #endif
1440 
1441 #endif /* QCA_HOST_MODE_WIFI_DISABLED */
1442 
1443 #if defined(WLAN_SUPPORT_RX_PROTOCOL_TYPE_TAG) ||\
1444 	defined(WLAN_SUPPORT_RX_TAG_STATISTICS) ||\
1445 	defined(WLAN_SUPPORT_RX_FLOW_TAG)
1446 #include "dp_rx_tag.h"
1447 #endif
1448 
1449 #if !defined(WLAN_SUPPORT_RX_PROTOCOL_TYPE_TAG) &&\
1450 	!defined(WLAN_SUPPORT_RX_FLOW_TAG)
1451 /**
1452  * dp_rx_update_protocol_tag() - Reads CCE metadata from the RX MSDU end TLV
1453  *                              and set the corresponding tag in QDF packet
1454  * @soc: core txrx main context
1455  * @vdev: vdev on which the packet is received
1456  * @nbuf: QDF pkt buffer on which the protocol tag should be set
1457  * @rx_tlv_hdr: rBbase address where the RX TLVs starts
1458  * @ring_index: REO ring number, not used for error & monitor ring
1459  * @is_reo_exception: flag to indicate if rx from REO ring or exception ring
1460  * @is_update_stats: flag to indicate whether to update stats or not
1461  * Return: void
1462  */
1463 static inline void
1464 dp_rx_update_protocol_tag(struct dp_soc *soc, struct dp_vdev *vdev,
1465 			  qdf_nbuf_t nbuf, uint8_t *rx_tlv_hdr,
1466 			  uint16_t ring_index,
1467 			  bool is_reo_exception, bool is_update_stats)
1468 {
1469 }
1470 #endif
1471 
1472 #ifndef WLAN_SUPPORT_RX_PROTOCOL_TYPE_TAG
1473 /**
1474  * dp_rx_err_cce_drop() - Reads CCE metadata from the RX MSDU end TLV
1475  *                        and returns whether cce metadata matches
1476  * @soc: core txrx main context
1477  * @vdev: vdev on which the packet is received
1478  * @nbuf: QDF pkt buffer on which the protocol tag should be set
1479  * @rx_tlv_hdr: rBbase address where the RX TLVs starts
1480  * Return: bool
1481  */
1482 static inline bool
1483 dp_rx_err_cce_drop(struct dp_soc *soc, struct dp_vdev *vdev,
1484 		   qdf_nbuf_t nbuf, uint8_t *rx_tlv_hdr)
1485 {
1486 	return false;
1487 }
1488 
1489 #endif /* WLAN_SUPPORT_RX_PROTOCOL_TYPE_TAG */
1490 
1491 #ifndef WLAN_SUPPORT_RX_FLOW_TAG
1492 /**
1493  * dp_rx_update_flow_tag() - Reads FSE metadata from the RX MSDU end TLV
1494  *                           and set the corresponding tag in QDF packet
1495  * @soc: core txrx main context
1496  * @vdev: vdev on which the packet is received
1497  * @nbuf: QDF pkt buffer on which the protocol tag should be set
1498  * @rx_tlv_hdr: base address where the RX TLVs starts
1499  * @is_update_stats: flag to indicate whether to update stats or not
1500  *
1501  * Return: void
1502  */
1503 static inline void
1504 dp_rx_update_flow_tag(struct dp_soc *soc, struct dp_vdev *vdev,
1505 		      qdf_nbuf_t nbuf, uint8_t *rx_tlv_hdr, bool update_stats)
1506 {
1507 }
1508 #endif /* WLAN_SUPPORT_RX_FLOW_TAG */
1509 
1510 #define CRITICAL_BUFFER_THRESHOLD	64
1511 /*
1512  * dp_rx_buffers_replenish() - replenish rxdma ring with rx nbufs
1513  *			       called during dp rx initialization
1514  *			       and at the end of dp_rx_process.
1515  *
1516  * @soc: core txrx main context
1517  * @mac_id: mac_id which is one of 3 mac_ids
1518  * @dp_rxdma_srng: dp rxdma circular ring
1519  * @rx_desc_pool: Pointer to free Rx descriptor pool
1520  * @num_req_buffers: number of buffer to be replenished
1521  * @desc_list: list of descs if called from dp_rx_process
1522  *	       or NULL during dp rx initialization or out of buffer
1523  *	       interrupt.
1524  * @tail: tail of descs list
1525  * @req_only: If true don't replenish more than req buffers
1526  * @func_name: name of the caller function
1527  * Return: return success or failure
1528  */
1529 QDF_STATUS __dp_rx_buffers_replenish(struct dp_soc *dp_soc, uint32_t mac_id,
1530 				 struct dp_srng *dp_rxdma_srng,
1531 				 struct rx_desc_pool *rx_desc_pool,
1532 				 uint32_t num_req_buffers,
1533 				 union dp_rx_desc_list_elem_t **desc_list,
1534 				 union dp_rx_desc_list_elem_t **tail,
1535 				 bool req_only,
1536 				 const char *func_name);
1537 /*
1538  * __dp_rx_buffers_no_map_replenish() - replenish rxdma ring with rx nbufs
1539  *					use direct APIs to get invalidate
1540  *					and get the physical address of the
1541  *					nbuf instead of map api,called during
1542  *					dp rx initialization and at the end
1543  *					of dp_rx_process.
1544  *
1545  * @soc: core txrx main context
1546  * @mac_id: mac_id which is one of 3 mac_ids
1547  * @dp_rxdma_srng: dp rxdma circular ring
1548  * @rx_desc_pool: Pointer to free Rx descriptor pool
1549  * @num_req_buffers: number of buffer to be replenished
1550  * @desc_list: list of descs if called from dp_rx_process
1551  *	       or NULL during dp rx initialization or out of buffer
1552  *	       interrupt.
1553  * @tail: tail of descs list
1554  * Return: return success or failure
1555  */
1556 QDF_STATUS
1557 __dp_rx_buffers_no_map_replenish(struct dp_soc *dp_soc, uint32_t mac_id,
1558 				 struct dp_srng *dp_rxdma_srng,
1559 				 struct rx_desc_pool *rx_desc_pool,
1560 				 uint32_t num_req_buffers,
1561 				 union dp_rx_desc_list_elem_t **desc_list,
1562 				 union dp_rx_desc_list_elem_t **tail);
1563 
1564 /*
1565  * __dp_rx_buffers_no_map__lt_replenish() - replenish rxdma ring with rx nbufs
1566  *					use direct APIs to get invalidate
1567  *					and get the physical address of the
1568  *					nbuf instead of map api,called when
1569  *					low threshold interrupt is triggered
1570  *
1571  * @soc: core txrx main context
1572  * @mac_id: mac_id which is one of 3 mac_ids
1573  * @dp_rxdma_srng: dp rxdma circular ring
1574  * @rx_desc_pool: Pointer to free Rx descriptor pool
1575  * Return: return success or failure
1576  */
1577 QDF_STATUS
1578 __dp_rx_buffers_no_map_lt_replenish(struct dp_soc *dp_soc, uint32_t mac_id,
1579 				    struct dp_srng *dp_rxdma_srng,
1580 				    struct rx_desc_pool *rx_desc_pool);
1581 /*
1582  * __dp_pdev_rx_buffers_no_map_attach() - replenish rxdma ring with rx nbufs
1583  *					use direct APIs to get invalidate
1584  *					and get the physical address of the
1585  *					nbuf instead of map api,called during
1586  *					dp rx initialization.
1587  *
1588  * @soc: core txrx main context
1589  * @mac_id: mac_id which is one of 3 mac_ids
1590  * @dp_rxdma_srng: dp rxdma circular ring
1591  * @rx_desc_pool: Pointer to free Rx descriptor pool
1592  * @num_req_buffers: number of buffer to be replenished
1593  * Return: return success or failure
1594  */
1595 QDF_STATUS __dp_pdev_rx_buffers_no_map_attach(struct dp_soc *dp_soc,
1596 					      uint32_t mac_id,
1597 					      struct dp_srng *dp_rxdma_srng,
1598 					      struct rx_desc_pool *rx_desc_pool,
1599 					      uint32_t num_req_buffers);
1600 
1601 /*
1602  * dp_pdev_rx_buffers_attach() - replenish rxdma ring with rx nbufs
1603  *                               called during dp rx initialization
1604  *
1605  * @soc: core txrx main context
1606  * @mac_id: mac_id which is one of 3 mac_ids
1607  * @dp_rxdma_srng: dp rxdma circular ring
1608  * @rx_desc_pool: Pointer to free Rx descriptor pool
1609  * @num_req_buffers: number of buffer to be replenished
1610  *
1611  * Return: return success or failure
1612  */
1613 QDF_STATUS
1614 dp_pdev_rx_buffers_attach(struct dp_soc *dp_soc, uint32_t mac_id,
1615 			  struct dp_srng *dp_rxdma_srng,
1616 			  struct rx_desc_pool *rx_desc_pool,
1617 			  uint32_t num_req_buffers);
1618 
1619 /**
1620  * dp_rx_link_desc_return() - Return a MPDU link descriptor to HW
1621  *			      (WBM), following error handling
1622  *
1623  * @soc: core DP main context
1624  * @buf_addr_info: opaque pointer to the REO error ring descriptor
1625  * @buf_addr_info: void pointer to the buffer_addr_info
1626  * @bm_action: put to idle_list or release to msdu_list
1627  *
1628  * Return: QDF_STATUS_E_FAILURE for failure else QDF_STATUS_SUCCESS
1629  */
1630 QDF_STATUS
1631 dp_rx_link_desc_return(struct dp_soc *soc, hal_ring_desc_t ring_desc,
1632 		       uint8_t bm_action);
1633 
1634 /**
1635  * dp_rx_link_desc_return_by_addr - Return a MPDU link descriptor to
1636  *					(WBM) by address
1637  *
1638  * @soc: core DP main context
1639  * @link_desc_addr: link descriptor addr
1640  *
1641  * Return: QDF_STATUS_E_FAILURE for failure else QDF_STATUS_SUCCESS
1642  */
1643 QDF_STATUS
1644 dp_rx_link_desc_return_by_addr(struct dp_soc *soc,
1645 			       hal_buff_addrinfo_t link_desc_addr,
1646 			       uint8_t bm_action);
1647 
1648 /**
1649  * dp_rxdma_err_process() - RxDMA error processing functionality
1650  * @soc: core txrx main contex
1651  * @mac_id: mac id which is one of 3 mac_ids
1652  * @hal_ring: opaque pointer to the HAL Rx Ring, which will be serviced
1653  * @quota: No. of units (packets) that can be serviced in one shot.
1654  *
1655  * Return: num of buffers processed
1656  */
1657 uint32_t
1658 dp_rxdma_err_process(struct dp_intr *int_ctx, struct dp_soc *soc,
1659 		     uint32_t mac_id, uint32_t quota);
1660 
1661 void dp_rx_fill_mesh_stats(struct dp_vdev *vdev, qdf_nbuf_t nbuf,
1662 				uint8_t *rx_tlv_hdr, struct dp_txrx_peer *peer);
1663 QDF_STATUS dp_rx_filter_mesh_packets(struct dp_vdev *vdev, qdf_nbuf_t nbuf,
1664 					uint8_t *rx_tlv_hdr);
1665 
1666 int dp_wds_rx_policy_check(uint8_t *rx_tlv_hdr, struct dp_vdev *vdev,
1667 			   struct dp_txrx_peer *peer);
1668 
1669 /*
1670  * dp_rx_dump_info_and_assert() - dump RX Ring info and Rx Desc info
1671  *
1672  * @soc: core txrx main context
1673  * @hal_ring: opaque pointer to the HAL Rx Ring, which will be serviced
1674  * @ring_desc: opaque pointer to the RX ring descriptor
1675  * @rx_desc: host rx descriptor
1676  *
1677  * Return: void
1678  */
1679 void dp_rx_dump_info_and_assert(struct dp_soc *soc,
1680 				hal_ring_handle_t hal_ring_hdl,
1681 				hal_ring_desc_t ring_desc,
1682 				struct dp_rx_desc *rx_desc);
1683 
1684 void dp_rx_compute_delay(struct dp_vdev *vdev, qdf_nbuf_t nbuf);
1685 
1686 #ifdef QCA_PEER_EXT_STATS
1687 void dp_rx_compute_tid_delay(struct cdp_delay_tid_stats *stats,
1688 			     qdf_nbuf_t nbuf);
1689 #endif /* QCA_PEER_EXT_STATS */
1690 
1691 #ifdef RX_DESC_DEBUG_CHECK
1692 /**
1693  * dp_rx_desc_check_magic() - check the magic value in dp_rx_desc
1694  * @rx_desc: rx descriptor pointer
1695  *
1696  * Return: true, if magic is correct, else false.
1697  */
1698 static inline bool dp_rx_desc_check_magic(struct dp_rx_desc *rx_desc)
1699 {
1700 	if (qdf_unlikely(rx_desc->magic != DP_RX_DESC_MAGIC))
1701 		return false;
1702 
1703 	rx_desc->magic = 0;
1704 	return true;
1705 }
1706 
1707 /**
1708  * dp_rx_desc_prep() - prepare rx desc
1709  * @rx_desc: rx descriptor pointer to be prepared
1710  * @nbuf_frag_info_t: struct dp_rx_nbuf_frag_info *
1711  *
1712  * Note: assumption is that we are associating a nbuf which is mapped
1713  *
1714  * Return: none
1715  */
1716 static inline
1717 void dp_rx_desc_prep(struct dp_rx_desc *rx_desc,
1718 		     struct dp_rx_nbuf_frag_info *nbuf_frag_info_t)
1719 {
1720 	rx_desc->magic = DP_RX_DESC_MAGIC;
1721 	rx_desc->nbuf = (nbuf_frag_info_t->virt_addr).nbuf;
1722 	rx_desc->unmapped = 0;
1723 	rx_desc->nbuf_data_addr = (uint8_t *)qdf_nbuf_data(rx_desc->nbuf);
1724 }
1725 
1726 /**
1727  * dp_rx_desc_frag_prep() - prepare rx desc
1728  * @rx_desc: rx descriptor pointer to be prepared
1729  * @nbuf_frag_info_t: struct dp_rx_nbuf_frag_info *
1730  *
1731  * Note: assumption is that we frag address is mapped
1732  *
1733  * Return: none
1734  */
1735 #ifdef DP_RX_MON_MEM_FRAG
1736 static inline
1737 void dp_rx_desc_frag_prep(struct dp_rx_desc *rx_desc,
1738 			  struct dp_rx_nbuf_frag_info *nbuf_frag_info_t)
1739 {
1740 	rx_desc->magic = DP_RX_DESC_MAGIC;
1741 	rx_desc->rx_buf_start =
1742 		(uint8_t *)((nbuf_frag_info_t->virt_addr).vaddr);
1743 	rx_desc->paddr_buf_start = nbuf_frag_info_t->paddr;
1744 	rx_desc->unmapped = 0;
1745 }
1746 #else
1747 static inline
1748 void dp_rx_desc_frag_prep(struct dp_rx_desc *rx_desc,
1749 			  struct dp_rx_nbuf_frag_info *nbuf_frag_info_t)
1750 {
1751 }
1752 #endif /* DP_RX_MON_MEM_FRAG */
1753 
1754 /**
1755  * dp_rx_desc_paddr_sanity_check() - paddr sanity for ring desc vs rx_desc
1756  * @rx_desc: rx descriptor
1757  * @ring_paddr: paddr obatined from the ring
1758  *
1759  * Returns: QDF_STATUS
1760  */
1761 static inline
1762 bool dp_rx_desc_paddr_sanity_check(struct dp_rx_desc *rx_desc,
1763 				   uint64_t ring_paddr)
1764 {
1765 	return (ring_paddr == qdf_nbuf_get_frag_paddr(rx_desc->nbuf, 0));
1766 }
1767 #else
1768 
1769 static inline bool dp_rx_desc_check_magic(struct dp_rx_desc *rx_desc)
1770 {
1771 	return true;
1772 }
1773 
1774 static inline
1775 void dp_rx_desc_prep(struct dp_rx_desc *rx_desc,
1776 		     struct dp_rx_nbuf_frag_info *nbuf_frag_info_t)
1777 {
1778 	rx_desc->nbuf = (nbuf_frag_info_t->virt_addr).nbuf;
1779 	rx_desc->unmapped = 0;
1780 }
1781 
1782 #ifdef DP_RX_MON_MEM_FRAG
1783 static inline
1784 void dp_rx_desc_frag_prep(struct dp_rx_desc *rx_desc,
1785 			  struct dp_rx_nbuf_frag_info *nbuf_frag_info_t)
1786 {
1787 	rx_desc->rx_buf_start =
1788 		(uint8_t *)((nbuf_frag_info_t->virt_addr).vaddr);
1789 	rx_desc->paddr_buf_start = nbuf_frag_info_t->paddr;
1790 	rx_desc->unmapped = 0;
1791 }
1792 #else
1793 static inline
1794 void dp_rx_desc_frag_prep(struct dp_rx_desc *rx_desc,
1795 			  struct dp_rx_nbuf_frag_info *nbuf_frag_info_t)
1796 {
1797 }
1798 #endif /* DP_RX_MON_MEM_FRAG */
1799 
1800 static inline
1801 bool dp_rx_desc_paddr_sanity_check(struct dp_rx_desc *rx_desc,
1802 				   uint64_t ring_paddr)
1803 {
1804 	return true;
1805 }
1806 #endif /* RX_DESC_DEBUG_CHECK */
1807 
1808 void dp_rx_enable_mon_dest_frag(struct rx_desc_pool *rx_desc_pool,
1809 				bool is_mon_dest_desc);
1810 
1811 void dp_rx_process_rxdma_err(struct dp_soc *soc, qdf_nbuf_t nbuf,
1812 			     uint8_t *rx_tlv_hdr, struct dp_txrx_peer *peer,
1813 			     uint8_t err_code, uint8_t mac_id);
1814 
1815 #ifndef QCA_MULTIPASS_SUPPORT
1816 static inline
1817 bool dp_rx_multipass_process(struct dp_txrx_peer *peer, qdf_nbuf_t nbuf,
1818 			     uint8_t tid)
1819 {
1820 	return false;
1821 }
1822 #else
1823 bool dp_rx_multipass_process(struct dp_txrx_peer *peer, qdf_nbuf_t nbuf,
1824 			     uint8_t tid);
1825 #endif
1826 
1827 #ifndef QCA_HOST_MODE_WIFI_DISABLED
1828 
1829 #ifndef WLAN_RX_PKT_CAPTURE_ENH
1830 static inline
1831 QDF_STATUS dp_peer_set_rx_capture_enabled(struct dp_pdev *pdev,
1832 					  struct dp_peer *peer_handle,
1833 					  bool value, uint8_t *mac_addr)
1834 {
1835 	return QDF_STATUS_SUCCESS;
1836 }
1837 #endif
1838 
1839 #endif /* QCA_HOST_MODE_WIFI_DISABLED */
1840 
1841 /**
1842  * dp_rx_deliver_to_stack() - deliver pkts to network stack
1843  * Caller to hold peer refcount and check for valid peer
1844  * @soc: soc
1845  * @vdev: vdev
1846  * @txrx_peer: txrx peer
1847  * @nbuf_head: skb list head
1848  * @nbuf_tail: skb list tail
1849  *
1850  * Return: QDF_STATUS
1851  */
1852 QDF_STATUS dp_rx_deliver_to_stack(struct dp_soc *soc,
1853 				  struct dp_vdev *vdev,
1854 				  struct dp_txrx_peer *peer,
1855 				  qdf_nbuf_t nbuf_head,
1856 				  qdf_nbuf_t nbuf_tail);
1857 
1858 #ifdef QCA_SUPPORT_EAPOL_OVER_CONTROL_PORT
1859 /**
1860  * dp_rx_eapol_deliver_to_stack() - deliver pkts to network stack
1861  * caller to hold peer refcount and check for valid peer
1862  * @soc: soc
1863  * @vdev: vdev
1864  * @peer: peer
1865  * @nbuf_head: skb list head
1866  * @nbuf_tail: skb list tail
1867  *
1868  * return: QDF_STATUS
1869  */
1870 QDF_STATUS dp_rx_eapol_deliver_to_stack(struct dp_soc *soc,
1871 					struct dp_vdev *vdev,
1872 					struct dp_txrx_peer *peer,
1873 					qdf_nbuf_t nbuf_head,
1874 					qdf_nbuf_t nbuf_tail);
1875 #endif
1876 
1877 #ifndef QCA_HOST_MODE_WIFI_DISABLED
1878 
1879 #ifdef QCA_OL_RX_LOCK_LESS_ACCESS
1880 /*
1881  * dp_rx_ring_access_start()- Wrapper function to log access start of a hal ring
1882  * @int_ctx: pointer to DP interrupt context
1883  * @dp_soc - DP soc structure pointer
1884  * @hal_ring_hdl - HAL ring handle
1885  *
1886  * Return: 0 on success; error on failure
1887  */
1888 static inline int
1889 dp_rx_srng_access_start(struct dp_intr *int_ctx, struct dp_soc *soc,
1890 			hal_ring_handle_t hal_ring_hdl)
1891 {
1892 	return hal_srng_access_start_unlocked(soc->hal_soc, hal_ring_hdl);
1893 }
1894 
1895 /*
1896  * dp_rx_ring_access_end()- Wrapper function to log access end of a hal ring
1897  * @int_ctx: pointer to DP interrupt context
1898  * @dp_soc - DP soc structure pointer
1899  * @hal_ring_hdl - HAL ring handle
1900  *
1901  * Return - None
1902  */
1903 static inline void
1904 dp_rx_srng_access_end(struct dp_intr *int_ctx, struct dp_soc *soc,
1905 		      hal_ring_handle_t hal_ring_hdl)
1906 {
1907 	hal_srng_access_end_unlocked(soc->hal_soc, hal_ring_hdl);
1908 }
1909 #else
1910 static inline int
1911 dp_rx_srng_access_start(struct dp_intr *int_ctx, struct dp_soc *soc,
1912 			hal_ring_handle_t hal_ring_hdl)
1913 {
1914 	return dp_srng_access_start(int_ctx, soc, hal_ring_hdl);
1915 }
1916 
1917 static inline void
1918 dp_rx_srng_access_end(struct dp_intr *int_ctx, struct dp_soc *soc,
1919 		      hal_ring_handle_t hal_ring_hdl)
1920 {
1921 	dp_srng_access_end(int_ctx, soc, hal_ring_hdl);
1922 }
1923 #endif
1924 
1925 #endif /* QCA_HOST_MODE_WIFI_DISABLED */
1926 
1927 /*
1928  * dp_rx_wbm_sg_list_reset() - Initialize sg list
1929  *
1930  * This api should be called at soc init and afterevery sg processing.
1931  *@soc: DP SOC handle
1932  */
1933 static inline void dp_rx_wbm_sg_list_reset(struct dp_soc *soc)
1934 {
1935 	if (soc) {
1936 		soc->wbm_sg_param.wbm_is_first_msdu_in_sg = false;
1937 		soc->wbm_sg_param.wbm_sg_nbuf_head = NULL;
1938 		soc->wbm_sg_param.wbm_sg_nbuf_tail = NULL;
1939 		soc->wbm_sg_param.wbm_sg_desc_msdu_len = 0;
1940 	}
1941 }
1942 
1943 /*
1944  * dp_rx_wbm_sg_list_deinit() - De-initialize sg list
1945  *
1946  * This api should be called in down path, to avoid any leak.
1947  *@soc: DP SOC handle
1948  */
1949 static inline void dp_rx_wbm_sg_list_deinit(struct dp_soc *soc)
1950 {
1951 	if (soc) {
1952 		if (soc->wbm_sg_param.wbm_sg_nbuf_head)
1953 			qdf_nbuf_list_free(soc->wbm_sg_param.wbm_sg_nbuf_head);
1954 
1955 		dp_rx_wbm_sg_list_reset(soc);
1956 	}
1957 }
1958 
1959 #ifndef QCA_HOST_MODE_WIFI_DISABLED
1960 
1961 #ifdef WLAN_FEATURE_RX_PREALLOC_BUFFER_POOL
1962 #define DP_RX_PROCESS_NBUF(soc, head, tail, ebuf_head, ebuf_tail, rx_desc) \
1963 	do {								   \
1964 		if (!soc->rx_buff_pool[rx_desc->pool_id].is_initialized) { \
1965 			DP_RX_LIST_APPEND(head, tail, rx_desc->nbuf);	   \
1966 			break;						   \
1967 		}							   \
1968 		DP_RX_LIST_APPEND(ebuf_head, ebuf_tail, rx_desc->nbuf);	   \
1969 		if (!qdf_nbuf_is_rx_chfrag_cont(rx_desc->nbuf)) {	   \
1970 			if (!dp_rx_buffer_pool_refill(soc, ebuf_head,	   \
1971 						      rx_desc->pool_id))   \
1972 				DP_RX_MERGE_TWO_LIST(head, tail,	   \
1973 						     ebuf_head, ebuf_tail);\
1974 			ebuf_head = NULL;				   \
1975 			ebuf_tail = NULL;				   \
1976 		}							   \
1977 	} while (0)
1978 #else
1979 #define DP_RX_PROCESS_NBUF(soc, head, tail, ebuf_head, ebuf_tail, rx_desc) \
1980 	DP_RX_LIST_APPEND(head, tail, rx_desc->nbuf)
1981 #endif /* WLAN_FEATURE_RX_PREALLOC_BUFFER_POOL */
1982 
1983 #endif /* QCA_HOST_MODE_WIFI_DISABLED */
1984 
1985 /*
1986  * dp_rx_link_desc_refill_duplicate_check() - check if link desc duplicate
1987 					      to refill
1988  * @soc: DP SOC handle
1989  * @buf_info: the last link desc buf info
1990  * @ring_buf_info: current buf address pointor including link desc
1991  *
1992  * return: none.
1993  */
1994 void dp_rx_link_desc_refill_duplicate_check(
1995 				struct dp_soc *soc,
1996 				struct hal_buf_info *buf_info,
1997 				hal_buff_addrinfo_t ring_buf_info);
1998 
1999 #ifdef WLAN_FEATURE_PKT_CAPTURE_V2
2000 /**
2001  * dp_rx_deliver_to_pkt_capture() - deliver rx packet to packet capture
2002  * @soc : dp_soc handle
2003  * @pdev: dp_pdev handle
2004  * @peer_id: peer_id of the peer for which completion came
2005  * @ppdu_id: ppdu_id
2006  * @netbuf: Buffer pointer
2007  *
2008  * This function is used to deliver rx packet to packet capture
2009  */
2010 void dp_rx_deliver_to_pkt_capture(struct dp_soc *soc,  struct dp_pdev *pdev,
2011 				  uint16_t peer_id, uint32_t is_offload,
2012 				  qdf_nbuf_t netbuf);
2013 void dp_rx_deliver_to_pkt_capture_no_peer(struct dp_soc *soc, qdf_nbuf_t nbuf,
2014 					  uint32_t is_offload);
2015 #else
2016 static inline void
2017 dp_rx_deliver_to_pkt_capture(struct dp_soc *soc,  struct dp_pdev *pdev,
2018 			     uint16_t peer_id, uint32_t is_offload,
2019 			     qdf_nbuf_t netbuf)
2020 {
2021 }
2022 
2023 static inline void
2024 dp_rx_deliver_to_pkt_capture_no_peer(struct dp_soc *soc, qdf_nbuf_t nbuf,
2025 				     uint32_t is_offload)
2026 {
2027 }
2028 #endif
2029 
2030 #ifndef QCA_HOST_MODE_WIFI_DISABLED
2031 #ifdef FEATURE_MEC
2032 /**
2033  * dp_rx_mcast_echo_check() - check if the mcast pkt is a loop
2034  *			      back on same vap or a different vap.
2035  * @soc: core DP main context
2036  * @peer: dp peer handler
2037  * @rx_tlv_hdr: start of the rx TLV header
2038  * @nbuf: pkt buffer
2039  *
2040  * Return: bool (true if it is a looped back pkt else false)
2041  *
2042  */
2043 bool dp_rx_mcast_echo_check(struct dp_soc *soc,
2044 			    struct dp_txrx_peer *peer,
2045 			    uint8_t *rx_tlv_hdr,
2046 			    qdf_nbuf_t nbuf);
2047 #else
2048 static inline bool dp_rx_mcast_echo_check(struct dp_soc *soc,
2049 					  struct dp_txrx_peer *peer,
2050 					  uint8_t *rx_tlv_hdr,
2051 					  qdf_nbuf_t nbuf)
2052 {
2053 	return false;
2054 }
2055 #endif /* FEATURE_MEC */
2056 #endif /* QCA_HOST_MODE_WIFI_DISABLED */
2057 
2058 #ifdef RECEIVE_OFFLOAD
2059 void dp_rx_fill_gro_info(struct dp_soc *soc, uint8_t *rx_tlv,
2060 			 qdf_nbuf_t msdu, uint32_t *rx_ol_pkt_cnt);
2061 #else
2062 static inline
2063 void dp_rx_fill_gro_info(struct dp_soc *soc, uint8_t *rx_tlv,
2064 			 qdf_nbuf_t msdu, uint32_t *rx_ol_pkt_cnt)
2065 {
2066 }
2067 #endif
2068 
2069 void dp_rx_msdu_stats_update(struct dp_soc *soc, qdf_nbuf_t nbuf,
2070 			     uint8_t *rx_tlv_hdr, struct dp_txrx_peer *peer,
2071 			     uint8_t ring_id,
2072 			     struct cdp_tid_rx_stats *tid_stats);
2073 
2074 void dp_rx_deliver_to_stack_no_peer(struct dp_soc *soc, qdf_nbuf_t nbuf);
2075 
2076 uint32_t dp_rx_srng_get_num_pending(hal_soc_handle_t hal_soc,
2077 				    hal_ring_handle_t hal_ring_hdl,
2078 				    uint32_t num_entries,
2079 				    bool *near_full);
2080 
2081 #ifdef WLAN_FEATURE_DP_RX_RING_HISTORY
2082 void dp_rx_ring_record_entry(struct dp_soc *soc, uint8_t ring_num,
2083 			     hal_ring_desc_t ring_desc);
2084 #else
2085 static inline void
2086 dp_rx_ring_record_entry(struct dp_soc *soc, uint8_t ring_num,
2087 			hal_ring_desc_t ring_desc)
2088 {
2089 }
2090 #endif
2091 
2092 #ifndef QCA_HOST_MODE_WIFI_DISABLED
2093 #ifdef RX_DESC_SANITY_WAR
2094 QDF_STATUS dp_rx_desc_sanity(struct dp_soc *soc, hal_soc_handle_t hal_soc,
2095 			     hal_ring_handle_t hal_ring_hdl,
2096 			     hal_ring_desc_t ring_desc,
2097 			     struct dp_rx_desc *rx_desc);
2098 #else
2099 static inline
2100 QDF_STATUS dp_rx_desc_sanity(struct dp_soc *soc, hal_soc_handle_t hal_soc,
2101 			     hal_ring_handle_t hal_ring_hdl,
2102 			     hal_ring_desc_t ring_desc,
2103 			     struct dp_rx_desc *rx_desc)
2104 {
2105 	return QDF_STATUS_SUCCESS;
2106 }
2107 #endif
2108 
2109 #ifdef DP_RX_DROP_RAW_FRM
2110 bool dp_rx_is_raw_frame_dropped(qdf_nbuf_t nbuf);
2111 #else
2112 static inline
2113 bool dp_rx_is_raw_frame_dropped(qdf_nbuf_t nbuf)
2114 {
2115 	return false;
2116 }
2117 #endif
2118 
2119 #ifdef RX_DESC_DEBUG_CHECK
2120 QDF_STATUS dp_rx_desc_nbuf_sanity_check(struct dp_soc *soc,
2121 					hal_ring_desc_t ring_desc,
2122 					struct dp_rx_desc *rx_desc);
2123 #else
2124 static inline
2125 QDF_STATUS dp_rx_desc_nbuf_sanity_check(struct dp_soc *soc,
2126 					hal_ring_desc_t ring_desc,
2127 					struct dp_rx_desc *rx_desc)
2128 {
2129 	return QDF_STATUS_SUCCESS;
2130 }
2131 #endif
2132 
2133 #ifdef WLAN_DP_FEATURE_SW_LATENCY_MGR
2134 void dp_rx_update_stats(struct dp_soc *soc, qdf_nbuf_t nbuf);
2135 #else
2136 static inline
2137 void dp_rx_update_stats(struct dp_soc *soc, qdf_nbuf_t nbuf)
2138 {
2139 }
2140 #endif
2141 
2142 /**
2143  * dp_rx_cksum_offload() - set the nbuf checksum as defined by hardware.
2144  * @nbuf: pointer to the first msdu of an amsdu.
2145  * @rx_tlv_hdr: pointer to the start of RX TLV headers.
2146  *
2147  * The ipsumed field of the skb is set based on whether HW validated the
2148  * IP/TCP/UDP checksum.
2149  *
2150  * Return: void
2151  */
2152 #if defined(MAX_PDEV_CNT) && (MAX_PDEV_CNT == 1)
2153 static inline
2154 void dp_rx_cksum_offload(struct dp_pdev *pdev,
2155 			 qdf_nbuf_t nbuf,
2156 			 uint8_t *rx_tlv_hdr)
2157 {
2158 	qdf_nbuf_rx_cksum_t cksum = {0};
2159 	//TODO - Move this to ring desc api
2160 	//HAL_RX_MSDU_DESC_IP_CHKSUM_FAIL_GET
2161 	//HAL_RX_MSDU_DESC_TCP_UDP_CHKSUM_FAIL_GET
2162 	uint32_t ip_csum_err, tcp_udp_csum_er;
2163 
2164 	hal_rx_tlv_csum_err_get(pdev->soc->hal_soc, rx_tlv_hdr, &ip_csum_err,
2165 				&tcp_udp_csum_er);
2166 
2167 	if (qdf_likely(!ip_csum_err && !tcp_udp_csum_er)) {
2168 		cksum.l4_result = QDF_NBUF_RX_CKSUM_TCP_UDP_UNNECESSARY;
2169 		qdf_nbuf_set_rx_cksum(nbuf, &cksum);
2170 	} else {
2171 		DP_STATS_INCC(pdev, err.ip_csum_err, 1, ip_csum_err);
2172 		DP_STATS_INCC(pdev, err.tcp_udp_csum_err, 1, tcp_udp_csum_er);
2173 	}
2174 }
2175 #else
2176 static inline
2177 void dp_rx_cksum_offload(struct dp_pdev *pdev,
2178 			 qdf_nbuf_t nbuf,
2179 			 uint8_t *rx_tlv_hdr)
2180 {
2181 }
2182 #endif
2183 #endif /* QCA_HOST_MODE_WIFI_DISABLED */
2184 
2185 #ifdef WLAN_FEATURE_RX_SOFTIRQ_TIME_LIMIT
2186 static inline
2187 bool dp_rx_reap_loop_pkt_limit_hit(struct dp_soc *soc, int num_reaped,
2188 				   int max_reap_limit)
2189 {
2190 	bool limit_hit = false;
2191 
2192 	limit_hit =
2193 		(num_reaped >= max_reap_limit) ? true : false;
2194 
2195 	if (limit_hit)
2196 		DP_STATS_INC(soc, rx.reap_loop_pkt_limit_hit, 1)
2197 
2198 	return limit_hit;
2199 }
2200 
2201 static inline
2202 bool dp_rx_enable_eol_data_check(struct dp_soc *soc)
2203 {
2204 	return soc->wlan_cfg_ctx->rx_enable_eol_data_check;
2205 }
2206 
2207 static inline int dp_rx_get_loop_pkt_limit(struct dp_soc *soc)
2208 {
2209 	struct wlan_cfg_dp_soc_ctxt *cfg = soc->wlan_cfg_ctx;
2210 
2211 	return cfg->rx_reap_loop_pkt_limit;
2212 }
2213 #else
2214 static inline
2215 bool dp_rx_reap_loop_pkt_limit_hit(struct dp_soc *soc, int num_reaped,
2216 				   int max_reap_limit)
2217 {
2218 	return false;
2219 }
2220 
2221 static inline
2222 bool dp_rx_enable_eol_data_check(struct dp_soc *soc)
2223 {
2224 	return false;
2225 }
2226 
2227 static inline int dp_rx_get_loop_pkt_limit(struct dp_soc *soc)
2228 {
2229 	return 0;
2230 }
2231 #endif /* WLAN_FEATURE_RX_SOFTIRQ_TIME_LIMIT */
2232 
2233 void dp_rx_update_stats(struct dp_soc *soc, qdf_nbuf_t nbuf);
2234 
2235 #ifdef QCA_SUPPORT_WDS_EXTENDED
2236 /**
2237  * dp_rx_is_list_ready() - Make different lists for 4-address
2238 			   and 3-address frames
2239  * @nbuf_head: skb list head
2240  * @vdev: vdev
2241 * @txrx_peer : txrx_peer
2242  * @peer_id: peer id of new received frame
2243  * @vdev_id: vdev_id of new received frame
2244  *
2245  * Return: true if peer_ids are different.
2246  */
2247 static inline bool
2248 dp_rx_is_list_ready(qdf_nbuf_t nbuf_head,
2249 		    struct dp_vdev *vdev,
2250 		    struct dp_txrx_peer *txrx_peer,
2251 		    uint16_t peer_id,
2252 		    uint8_t vdev_id)
2253 {
2254 	if (nbuf_head && txrx_peer && txrx_peer->peer_id != peer_id)
2255 		return true;
2256 
2257 	return false;
2258 }
2259 #else
2260 static inline bool
2261 dp_rx_is_list_ready(qdf_nbuf_t nbuf_head,
2262 		    struct dp_vdev *vdev,
2263 		    struct dp_txrx_peer *txrx_peer,
2264 		    uint16_t peer_id,
2265 		    uint8_t vdev_id)
2266 {
2267 	if (nbuf_head && vdev && (vdev->vdev_id != vdev_id))
2268 		return true;
2269 
2270 	return false;
2271 }
2272 #endif
2273 
2274 #ifdef WLAN_FEATURE_MARK_FIRST_WAKEUP_PACKET
2275 /**
2276  * dp_rx_mark_first_packet_after_wow_wakeup - get first packet after wow wakeup
2277  * @pdev: pointer to dp_pdev structure
2278  * @rx_tlv: pointer to rx_pkt_tlvs structure
2279  * @nbuf: pointer to skb buffer
2280  *
2281  * Return: None
2282  */
2283 void dp_rx_mark_first_packet_after_wow_wakeup(struct dp_pdev *pdev,
2284 					      uint8_t *rx_tlv,
2285 					      qdf_nbuf_t nbuf);
2286 #else
2287 static inline void
2288 dp_rx_mark_first_packet_after_wow_wakeup(struct dp_pdev *pdev,
2289 					 uint8_t *rx_tlv,
2290 					 qdf_nbuf_t nbuf)
2291 {
2292 }
2293 #endif
2294 
2295 #if defined(WLAN_MAX_PDEVS) && (WLAN_MAX_PDEVS == 1)
2296 static inline uint8_t
2297 dp_rx_get_defrag_bm_id(struct dp_soc *soc)
2298 {
2299 	return DP_DEFRAG_RBM(soc->wbm_sw0_bm_id);
2300 }
2301 
2302 static inline uint8_t
2303 dp_rx_get_rx_bm_id(struct dp_soc *soc)
2304 {
2305 	return DP_WBM2SW_RBM(soc->wbm_sw0_bm_id);
2306 }
2307 #else
2308 static inline uint8_t
2309 dp_rx_get_rx_bm_id(struct dp_soc *soc)
2310 {
2311 	struct wlan_cfg_dp_soc_ctxt *cfg_ctx = soc->wlan_cfg_ctx;
2312 	uint8_t wbm2_sw_rx_rel_ring_id;
2313 
2314 	wbm2_sw_rx_rel_ring_id = wlan_cfg_get_rx_rel_ring_id(cfg_ctx);
2315 
2316 	return HAL_RX_BUF_RBM_SW_BM(soc->wbm_sw0_bm_id,
2317 				    wbm2_sw_rx_rel_ring_id);
2318 }
2319 
2320 static inline uint8_t
2321 dp_rx_get_defrag_bm_id(struct dp_soc *soc)
2322 {
2323 	return dp_rx_get_rx_bm_id(soc);
2324 }
2325 #endif
2326 
2327 static inline uint16_t
2328 dp_rx_peer_metadata_peer_id_get(struct dp_soc *soc, uint32_t peer_metadata)
2329 {
2330 	return soc->arch_ops.dp_rx_peer_metadata_peer_id_get(soc,
2331 							     peer_metadata);
2332 }
2333 
2334 /**
2335  * dp_rx_desc_pool_init_generic() - Generic Rx descriptors initialization
2336  * @soc: SOC handle
2337  * @rx_desc_pool: pointer to RX descriptor pool
2338  * @pool_id: pool ID
2339  *
2340  * Return: None
2341  */
2342 QDF_STATUS dp_rx_desc_pool_init_generic(struct dp_soc *soc,
2343 				  struct rx_desc_pool *rx_desc_pool,
2344 				  uint32_t pool_id);
2345 
2346 void dp_rx_desc_pool_deinit_generic(struct dp_soc *soc,
2347 				  struct rx_desc_pool *rx_desc_pool,
2348 				  uint32_t pool_id);
2349 
2350 /**
2351  * dp_rx_pkt_tracepoints_enabled() - Get the state of rx pkt tracepoint
2352  *
2353  * Return: True if any rx pkt tracepoint is enabled else false
2354  */
2355 static inline
2356 bool dp_rx_pkt_tracepoints_enabled(void)
2357 {
2358 	return (qdf_trace_dp_rx_tcp_pkt_enabled() ||
2359 		qdf_trace_dp_rx_udp_pkt_enabled() ||
2360 		qdf_trace_dp_rx_pkt_enabled());
2361 }
2362 
2363 #if defined(QCA_DP_RX_NBUF_NO_MAP_UNMAP) && !defined(BUILD_X86)
2364 static inline
2365 QDF_STATUS dp_pdev_rx_buffers_attach_simple(struct dp_soc *soc, uint32_t mac_id,
2366 					    struct dp_srng *rxdma_srng,
2367 					    struct rx_desc_pool *rx_desc_pool,
2368 					    uint32_t num_req_buffers)
2369 {
2370 	return __dp_pdev_rx_buffers_no_map_attach(soc, mac_id,
2371 						  rxdma_srng,
2372 						  rx_desc_pool,
2373 						  num_req_buffers);
2374 }
2375 
2376 static inline
2377 void dp_rx_buffers_replenish_simple(struct dp_soc *soc, uint32_t mac_id,
2378 				    struct dp_srng *rxdma_srng,
2379 				    struct rx_desc_pool *rx_desc_pool,
2380 				    uint32_t num_req_buffers,
2381 				    union dp_rx_desc_list_elem_t **desc_list,
2382 				    union dp_rx_desc_list_elem_t **tail)
2383 {
2384 	__dp_rx_buffers_no_map_replenish(soc, mac_id, rxdma_srng, rx_desc_pool,
2385 					 num_req_buffers, desc_list, tail);
2386 }
2387 
2388 static inline
2389 void dp_rx_buffers_lt_replenish_simple(struct dp_soc *soc, uint32_t mac_id,
2390 				       struct dp_srng *rxdma_srng,
2391 				       struct rx_desc_pool *rx_desc_pool,
2392 				       uint32_t num_req_buffers,
2393 				       union dp_rx_desc_list_elem_t **desc_list,
2394 				       union dp_rx_desc_list_elem_t **tail)
2395 {
2396 	__dp_rx_buffers_no_map_lt_replenish(soc, mac_id, rxdma_srng,
2397 					    rx_desc_pool);
2398 }
2399 
2400 static inline
2401 qdf_dma_addr_t dp_rx_nbuf_sync_no_dsb(struct dp_soc *dp_soc,
2402 				      qdf_nbuf_t nbuf,
2403 				      uint32_t buf_size)
2404 {
2405 	qdf_nbuf_dma_inv_range_no_dsb((void *)nbuf->data,
2406 				      (void *)(nbuf->data + buf_size));
2407 
2408 	return (qdf_dma_addr_t)qdf_mem_virt_to_phys(nbuf->data);
2409 }
2410 
2411 static inline
2412 qdf_dma_addr_t dp_rx_nbuf_sync(struct dp_soc *dp_soc,
2413 			       qdf_nbuf_t nbuf,
2414 			       uint32_t buf_size)
2415 {
2416 	qdf_nbuf_dma_inv_range((void *)nbuf->data,
2417 			       (void *)(nbuf->data + buf_size));
2418 
2419 	return (qdf_dma_addr_t)qdf_mem_virt_to_phys(nbuf->data);
2420 }
2421 
2422 #if !defined(SPECULATIVE_READ_DISABLED)
2423 static inline
2424 void dp_rx_nbuf_unmap(struct dp_soc *soc,
2425 		      struct dp_rx_desc *rx_desc,
2426 		      uint8_t reo_ring_num)
2427 {
2428 	struct rx_desc_pool *rx_desc_pool;
2429 	qdf_nbuf_t nbuf;
2430 
2431 	rx_desc_pool = &soc->rx_desc_buf[rx_desc->pool_id];
2432 	nbuf = rx_desc->nbuf;
2433 
2434 	qdf_nbuf_dma_inv_range_no_dsb((void *)nbuf->data,
2435 			       (void *)(nbuf->data + rx_desc_pool->buf_size));
2436 }
2437 
2438 static inline
2439 void dp_rx_nbuf_unmap_pool(struct dp_soc *soc,
2440 			   struct rx_desc_pool *rx_desc_pool,
2441 			   qdf_nbuf_t nbuf)
2442 {
2443 	qdf_nbuf_dma_inv_range((void *)nbuf->data,
2444 			       (void *)(nbuf->data + rx_desc_pool->buf_size));
2445 }
2446 
2447 #else
2448 static inline
2449 void dp_rx_nbuf_unmap(struct dp_soc *soc,
2450 		      struct dp_rx_desc *rx_desc,
2451 		      uint8_t reo_ring_num)
2452 {
2453 }
2454 
2455 static inline
2456 void dp_rx_nbuf_unmap_pool(struct dp_soc *soc,
2457 			   struct rx_desc_pool *rx_desc_pool,
2458 			   qdf_nbuf_t nbuf)
2459 {
2460 }
2461 #endif
2462 
2463 static inline
2464 void dp_rx_per_core_stats_update(struct dp_soc *soc, uint8_t ring_id,
2465 				 uint32_t bufs_reaped)
2466 {
2467 }
2468 
2469 static inline
2470 qdf_nbuf_t dp_rx_nbuf_alloc(struct dp_soc *soc,
2471 			    struct rx_desc_pool *rx_desc_pool)
2472 {
2473 	return qdf_nbuf_alloc_simple(soc->osdev, rx_desc_pool->buf_size,
2474 				     RX_BUFFER_RESERVATION,
2475 				     rx_desc_pool->buf_alignment, FALSE);
2476 }
2477 
2478 static inline
2479 void  dp_rx_nbuf_free(qdf_nbuf_t nbuf)
2480 {
2481 	qdf_nbuf_free_simple(nbuf);
2482 }
2483 #else
2484 static inline
2485 QDF_STATUS dp_pdev_rx_buffers_attach_simple(struct dp_soc *soc, uint32_t mac_id,
2486 					    struct dp_srng *rxdma_srng,
2487 					    struct rx_desc_pool *rx_desc_pool,
2488 					    uint32_t num_req_buffers)
2489 {
2490 	return dp_pdev_rx_buffers_attach(soc, mac_id,
2491 					 rxdma_srng,
2492 					 rx_desc_pool,
2493 					 num_req_buffers);
2494 }
2495 
2496 static inline
2497 void dp_rx_buffers_replenish_simple(struct dp_soc *soc, uint32_t mac_id,
2498 				    struct dp_srng *rxdma_srng,
2499 				    struct rx_desc_pool *rx_desc_pool,
2500 				    uint32_t num_req_buffers,
2501 				    union dp_rx_desc_list_elem_t **desc_list,
2502 				    union dp_rx_desc_list_elem_t **tail)
2503 {
2504 	dp_rx_buffers_replenish(soc, mac_id, rxdma_srng, rx_desc_pool,
2505 				num_req_buffers, desc_list, tail, false);
2506 }
2507 
2508 static inline
2509 void dp_rx_buffers_lt_replenish_simple(struct dp_soc *soc, uint32_t mac_id,
2510 				       struct dp_srng *rxdma_srng,
2511 				       struct rx_desc_pool *rx_desc_pool,
2512 				       uint32_t num_req_buffers,
2513 				       union dp_rx_desc_list_elem_t **desc_list,
2514 				       union dp_rx_desc_list_elem_t **tail)
2515 {
2516 	dp_rx_buffers_replenish(soc, mac_id, rxdma_srng, rx_desc_pool,
2517 				num_req_buffers, desc_list, tail, false);
2518 }
2519 
2520 static inline
2521 qdf_dma_addr_t dp_rx_nbuf_sync_no_dsb(struct dp_soc *dp_soc,
2522 				      qdf_nbuf_t nbuf,
2523 				      uint32_t buf_size)
2524 {
2525 	return (qdf_dma_addr_t)NULL;
2526 }
2527 
2528 static inline
2529 qdf_dma_addr_t dp_rx_nbuf_sync(struct dp_soc *dp_soc,
2530 			       qdf_nbuf_t nbuf,
2531 			       uint32_t buf_size)
2532 {
2533 	return (qdf_dma_addr_t)NULL;
2534 }
2535 
2536 static inline
2537 void dp_rx_nbuf_unmap(struct dp_soc *soc,
2538 		      struct dp_rx_desc *rx_desc,
2539 		      uint8_t reo_ring_num)
2540 {
2541 	struct rx_desc_pool *rx_desc_pool;
2542 
2543 	rx_desc_pool = &soc->rx_desc_buf[rx_desc->pool_id];
2544 	dp_ipa_reo_ctx_buf_mapping_lock(soc, reo_ring_num);
2545 	dp_ipa_handle_rx_buf_smmu_mapping(soc, rx_desc->nbuf,
2546 					  rx_desc_pool->buf_size,
2547 					  false);
2548 
2549 	qdf_nbuf_unmap_nbytes_single(soc->osdev, rx_desc->nbuf,
2550 				     QDF_DMA_FROM_DEVICE,
2551 				     rx_desc_pool->buf_size);
2552 
2553 	dp_ipa_reo_ctx_buf_mapping_unlock(soc, reo_ring_num);
2554 }
2555 
2556 static inline
2557 void dp_rx_nbuf_unmap_pool(struct dp_soc *soc,
2558 			   struct rx_desc_pool *rx_desc_pool,
2559 			   qdf_nbuf_t nbuf)
2560 {
2561 	dp_ipa_handle_rx_buf_smmu_mapping(soc, nbuf, rx_desc_pool->buf_size,
2562 					  false);
2563 	qdf_nbuf_unmap_nbytes_single(soc->osdev, nbuf, QDF_DMA_FROM_DEVICE,
2564 				     rx_desc_pool->buf_size);
2565 }
2566 
2567 static inline
2568 void dp_rx_per_core_stats_update(struct dp_soc *soc, uint8_t ring_id,
2569 				 uint32_t bufs_reaped)
2570 {
2571 	int cpu_id = qdf_get_cpu();
2572 
2573 	DP_STATS_INC(soc, rx.ring_packets[cpu_id][ring_id], bufs_reaped);
2574 }
2575 
2576 static inline
2577 qdf_nbuf_t dp_rx_nbuf_alloc(struct dp_soc *soc,
2578 			    struct rx_desc_pool *rx_desc_pool)
2579 {
2580 	return qdf_nbuf_alloc(soc->osdev, rx_desc_pool->buf_size,
2581 			      RX_BUFFER_RESERVATION,
2582 			      rx_desc_pool->buf_alignment, FALSE);
2583 }
2584 
2585 static inline
2586 void dp_rx_nbuf_free(qdf_nbuf_t nbuf)
2587 {
2588 	qdf_nbuf_free(nbuf);
2589 }
2590 #endif
2591 
2592 #ifdef DP_UMAC_HW_RESET_SUPPORT
2593 /*
2594  * dp_rx_desc_reuse() - Reuse the rx descriptors to fill the rx buf ring
2595  *
2596  * @soc: core txrx main context
2597  * @nbuf_list: nbuf list for delayed free
2598  *
2599  * Return: void
2600  */
2601 void dp_rx_desc_reuse(struct dp_soc *soc, qdf_nbuf_t *nbuf_list);
2602 
2603 /*
2604  * dp_rx_desc_delayed_free() - Delayed free of the rx descs
2605  *
2606  * @soc: core txrx main context
2607  *
2608  * Return: void
2609  */
2610 void dp_rx_desc_delayed_free(struct dp_soc *soc);
2611 #endif
2612 
2613 /**
2614  * dp_rx_get_txrx_peer_and_vdev() - Get txrx peer and vdev from peer id
2615  * @nbuf : pointer to the first msdu of an amsdu.
2616  * @peer_id : Peer id of the peer
2617  * @txrx_ref_handle : Buffer to save the handle for txrx peer's reference
2618  * @pkt_capture_offload : Flag indicating if pkt capture offload is needed
2619  * @vdev : Buffer to hold pointer to vdev
2620  * @rx_pdev : Buffer to hold pointer to rx pdev
2621  * @dsf : delay stats flag
2622  * @old_tid : Old tid
2623  *
2624  * Get txrx peer and vdev from peer id
2625  *
2626  * Return: Pointer to txrx peer
2627  */
2628 static inline struct dp_txrx_peer *
2629 dp_rx_get_txrx_peer_and_vdev(struct dp_soc *soc,
2630 			     qdf_nbuf_t nbuf,
2631 			     uint16_t peer_id,
2632 			     dp_txrx_ref_handle *txrx_ref_handle,
2633 			     bool pkt_capture_offload,
2634 			     struct dp_vdev **vdev,
2635 			     struct dp_pdev **rx_pdev,
2636 			     uint32_t *dsf,
2637 			     uint32_t *old_tid)
2638 {
2639 	struct dp_txrx_peer *txrx_peer = NULL;
2640 
2641 	txrx_peer = dp_txrx_peer_get_ref_by_id(soc, peer_id, txrx_ref_handle,
2642 					       DP_MOD_ID_RX);
2643 
2644 	if (qdf_likely(txrx_peer)) {
2645 		*vdev = txrx_peer->vdev;
2646 	} else {
2647 		nbuf->next = NULL;
2648 		dp_rx_deliver_to_pkt_capture_no_peer(soc, nbuf,
2649 						     pkt_capture_offload);
2650 		if (!pkt_capture_offload)
2651 			dp_rx_deliver_to_stack_no_peer(soc, nbuf);
2652 
2653 		goto end;
2654 	}
2655 
2656 	if (qdf_unlikely(!(*vdev))) {
2657 		qdf_nbuf_free(nbuf);
2658 		DP_STATS_INC(soc, rx.err.invalid_vdev, 1);
2659 		goto end;
2660 	}
2661 
2662 	*rx_pdev = (*vdev)->pdev;
2663 	*dsf = (*rx_pdev)->delay_stats_flag;
2664 	*old_tid = 0xff;
2665 
2666 end:
2667 	return txrx_peer;
2668 }
2669 
2670 static inline QDF_STATUS
2671 dp_peer_rx_reorder_queue_setup(struct dp_soc *soc, struct dp_peer *peer,
2672 			       int tid, uint32_t ba_window_size)
2673 {
2674 	return soc->arch_ops.dp_peer_rx_reorder_queue_setup(soc,
2675 							    peer, tid,
2676 							    ba_window_size);
2677 }
2678 
2679 static inline
2680 void dp_rx_nbuf_list_deliver(struct dp_soc *soc,
2681 			     struct dp_vdev *vdev,
2682 			     struct dp_txrx_peer *txrx_peer,
2683 			     uint16_t peer_id,
2684 			     uint8_t pkt_capture_offload,
2685 			     qdf_nbuf_t deliver_list_head,
2686 			     qdf_nbuf_t deliver_list_tail)
2687 {
2688 	qdf_nbuf_t nbuf, next;
2689 
2690 	if (qdf_likely(deliver_list_head)) {
2691 		if (qdf_likely(txrx_peer)) {
2692 			dp_rx_deliver_to_pkt_capture(soc, vdev->pdev, peer_id,
2693 						     pkt_capture_offload,
2694 						     deliver_list_head);
2695 			if (!pkt_capture_offload)
2696 				dp_rx_deliver_to_stack(soc, vdev, txrx_peer,
2697 						       deliver_list_head,
2698 						       deliver_list_tail);
2699 		} else {
2700 			nbuf = deliver_list_head;
2701 			while (nbuf) {
2702 				next = nbuf->next;
2703 				nbuf->next = NULL;
2704 				dp_rx_deliver_to_stack_no_peer(soc, nbuf);
2705 				nbuf = next;
2706 			}
2707 		}
2708 	}
2709 }
2710 
2711 #ifdef DP_TX_RX_TPUT_SIMULATE
2712 /*
2713  * Change this macro value to simulate different RX T-put,
2714  * if OTA is 100 Mbps, to simulate 200 Mbps, then multiplication factor
2715  * is 2, set macro value as 1 (multiplication factor - 1).
2716  */
2717 #define DP_RX_PKTS_DUPLICATE_CNT 0
2718 static inline
2719 void dp_rx_nbuf_list_dup_deliver(struct dp_soc *soc,
2720 				 struct dp_vdev *vdev,
2721 				 struct dp_txrx_peer *txrx_peer,
2722 				 uint16_t peer_id,
2723 				 uint8_t pkt_capture_offload,
2724 				 qdf_nbuf_t ori_list_head,
2725 				 qdf_nbuf_t ori_list_tail)
2726 {
2727 	qdf_nbuf_t new_skb = NULL;
2728 	qdf_nbuf_t new_list_head = NULL;
2729 	qdf_nbuf_t new_list_tail = NULL;
2730 	qdf_nbuf_t nbuf = NULL;
2731 	int i;
2732 
2733 	for (i = 0; i < DP_RX_PKTS_DUPLICATE_CNT; i++) {
2734 		nbuf = ori_list_head;
2735 		new_list_head = NULL;
2736 		new_list_tail = NULL;
2737 
2738 		while (nbuf) {
2739 			new_skb = qdf_nbuf_copy(nbuf);
2740 			if (qdf_likely(new_skb))
2741 				DP_RX_LIST_APPEND(new_list_head,
2742 						  new_list_tail,
2743 						  new_skb);
2744 			else
2745 				dp_err("copy skb failed");
2746 
2747 			nbuf = qdf_nbuf_next(nbuf);
2748 		}
2749 
2750 		/* deliver the copied nbuf list */
2751 		dp_rx_nbuf_list_deliver(soc, vdev, txrx_peer, peer_id,
2752 					pkt_capture_offload,
2753 					new_list_head,
2754 					new_list_tail);
2755 	}
2756 
2757 	/* deliver the original skb_list */
2758 	dp_rx_nbuf_list_deliver(soc, vdev, txrx_peer, peer_id,
2759 				pkt_capture_offload,
2760 				ori_list_head,
2761 				ori_list_tail);
2762 }
2763 
2764 #define DP_RX_DELIVER_TO_STACK dp_rx_nbuf_list_dup_deliver
2765 
2766 #else /* !DP_TX_RX_TPUT_SIMULATE */
2767 
2768 #define DP_RX_DELIVER_TO_STACK dp_rx_nbuf_list_deliver
2769 
2770 #endif /* DP_TX_RX_TPUT_SIMULATE */
2771 
2772 #endif /* _DP_RX_H */
2773