xref: /wlan-dirver/qca-wifi-host-cmn/dp/wifi3.0/dp_rx.h (revision fb436899e24ed79fc745209e906f95145a787017)
1 /*
2  * Copyright (c) 2016-2021 The Linux Foundation. All rights reserved.
3  * Copyright (c) 2021-2023 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 /* Max buffer in invalid peer SG list*/
48 #define DP_MAX_INVALID_BUFFERS 10
49 #ifdef DP_INVALID_PEER_ASSERT
50 #define DP_PDEV_INVALID_PEER_MSDU_CHECK(head, tail) \
51 		do {                                \
52 			qdf_assert_always(!(head)); \
53 			qdf_assert_always(!(tail)); \
54 		} while (0)
55 #else
56 #define DP_PDEV_INVALID_PEER_MSDU_CHECK(head, tail) /* no op */
57 #endif
58 
59 #define RX_BUFFER_RESERVATION   0
60 
61 #define DP_DEFAULT_NOISEFLOOR	(-96)
62 
63 #define DP_RX_DESC_MAGIC 0xdec0de
64 
65 #define dp_rx_alert(params...) QDF_TRACE_FATAL(QDF_MODULE_ID_DP_RX, params)
66 #define dp_rx_err(params...) QDF_TRACE_ERROR(QDF_MODULE_ID_DP_RX, params)
67 #define dp_rx_warn(params...) QDF_TRACE_WARN(QDF_MODULE_ID_DP_RX, params)
68 #define dp_rx_info(params...) \
69 	__QDF_TRACE_FL(QDF_TRACE_LEVEL_INFO_HIGH, QDF_MODULE_ID_DP_RX, ## params)
70 #define dp_rx_info_rl(params...) \
71 	__QDF_TRACE_RL(QDF_TRACE_LEVEL_INFO_HIGH, QDF_MODULE_ID_DP_RX, ## params)
72 #define dp_rx_debug(params...) QDF_TRACE_DEBUG(QDF_MODULE_ID_DP_RX, params)
73 #define dp_rx_err_err(params...) \
74 	QDF_TRACE_ERROR(QDF_MODULE_ID_DP_RX_ERROR, params)
75 
76 /**
77  * enum dp_rx_desc_state
78  *
79  * @RX_DESC_REPLENISHED: rx desc replenished
80  * @RX_DESC_IN_FREELIST: rx desc in freelist
81  */
82 enum dp_rx_desc_state {
83 	RX_DESC_REPLENISHED,
84 	RX_DESC_IN_FREELIST,
85 };
86 
87 #ifndef QCA_HOST_MODE_WIFI_DISABLED
88 /**
89  * struct dp_rx_desc_dbg_info
90  *
91  * @freelist_caller: name of the function that put the
92  *  the rx desc in freelist
93  * @freelist_ts: timestamp when the rx desc is put in
94  *  a freelist
95  * @replenish_caller: name of the function that last
96  *  replenished the rx desc
97  * @replenish_ts: last replenish timestamp
98  * @prev_nbuf: previous nbuf info
99  * @prev_nbuf_data_addr: previous nbuf data address
100  */
101 struct dp_rx_desc_dbg_info {
102 	char freelist_caller[QDF_MEM_FUNC_NAME_SIZE];
103 	uint64_t freelist_ts;
104 	char replenish_caller[QDF_MEM_FUNC_NAME_SIZE];
105 	uint64_t replenish_ts;
106 	qdf_nbuf_t prev_nbuf;
107 	uint8_t *prev_nbuf_data_addr;
108 };
109 
110 #endif /* QCA_HOST_MODE_WIFI_DISABLED */
111 
112 /**
113  * struct dp_rx_desc
114  *
115  * @nbuf:		VA of the "skb" posted
116  * @rx_buf_start:	VA of the original Rx buffer, before
117  *			movement of any skb->data pointer
118  * @paddr_buf_start:	PA of the original Rx buffer, before
119  *                      movement of any frag pointer
120  * @cookie:		index into the sw array which holds
121  *			the sw Rx descriptors
122  *			Cookie space is 21 bits:
123  *			lower 18 bits -- index
124  *			upper  3 bits -- pool_id
125  * @pool_id:		pool Id for which this allocated.
126  *			Can only be used if there is no flow
127  *			steering
128  * @chip_id:		chip_id indicating MLO chip_id
129  *			valid or used only in case of multi-chip MLO
130  * @reuse_nbuf:		VA of the "skb" which is being reused
131  * @magic:
132  * @nbuf_data_addr:	VA of nbuf data posted
133  * @dbg_info:
134  * @in_use:		rx_desc is in use
135  * @unmapped:		used to mark rx_desc an unmapped if the corresponding
136  *			nbuf is already unmapped
137  * @in_err_state:	Nbuf sanity failed for this descriptor.
138  * @has_reuse_nbuf:	the nbuf associated with this desc is also saved in
139  *			reuse_nbuf field
140  */
141 struct dp_rx_desc {
142 	qdf_nbuf_t nbuf;
143 #ifdef WLAN_SUPPORT_PPEDS
144 	qdf_nbuf_t reuse_nbuf;
145 #endif
146 	uint8_t *rx_buf_start;
147 	qdf_dma_addr_t paddr_buf_start;
148 	uint32_t cookie;
149 	uint8_t	 pool_id;
150 	uint8_t chip_id;
151 #ifdef RX_DESC_DEBUG_CHECK
152 	uint32_t magic;
153 	uint8_t *nbuf_data_addr;
154 	struct dp_rx_desc_dbg_info *dbg_info;
155 #endif
156 	uint8_t	in_use:1,
157 		unmapped:1,
158 		in_err_state:1,
159 		has_reuse_nbuf:1;
160 };
161 
162 #ifndef QCA_HOST_MODE_WIFI_DISABLED
163 #ifdef ATH_RX_PRI_SAVE
164 #define DP_RX_TID_SAVE(_nbuf, _tid) \
165 	(qdf_nbuf_set_priority(_nbuf, _tid))
166 #else
167 #define DP_RX_TID_SAVE(_nbuf, _tid)
168 #endif
169 
170 /* RX Descriptor Multi Page memory alloc related */
171 #define DP_RX_DESC_OFFSET_NUM_BITS 8
172 #define DP_RX_DESC_PAGE_ID_NUM_BITS 8
173 #define DP_RX_DESC_POOL_ID_NUM_BITS 4
174 
175 #define DP_RX_DESC_PAGE_ID_SHIFT DP_RX_DESC_OFFSET_NUM_BITS
176 #define DP_RX_DESC_POOL_ID_SHIFT \
177 		(DP_RX_DESC_OFFSET_NUM_BITS + DP_RX_DESC_PAGE_ID_NUM_BITS)
178 #define RX_DESC_MULTI_PAGE_COOKIE_POOL_ID_MASK \
179 	(((1 << DP_RX_DESC_POOL_ID_NUM_BITS) - 1) << DP_RX_DESC_POOL_ID_SHIFT)
180 #define RX_DESC_MULTI_PAGE_COOKIE_PAGE_ID_MASK	\
181 			(((1 << DP_RX_DESC_PAGE_ID_NUM_BITS) - 1) << \
182 			 DP_RX_DESC_PAGE_ID_SHIFT)
183 #define RX_DESC_MULTI_PAGE_COOKIE_OFFSET_MASK \
184 			((1 << DP_RX_DESC_OFFSET_NUM_BITS) - 1)
185 #define DP_RX_DESC_MULTI_PAGE_COOKIE_GET_POOL_ID(_cookie)		\
186 	(((_cookie) & RX_DESC_MULTI_PAGE_COOKIE_POOL_ID_MASK) >>	\
187 			DP_RX_DESC_POOL_ID_SHIFT)
188 #define DP_RX_DESC_MULTI_PAGE_COOKIE_GET_PAGE_ID(_cookie)		\
189 	(((_cookie) & RX_DESC_MULTI_PAGE_COOKIE_PAGE_ID_MASK) >>	\
190 			DP_RX_DESC_PAGE_ID_SHIFT)
191 #define DP_RX_DESC_MULTI_PAGE_COOKIE_GET_OFFSET(_cookie)		\
192 	((_cookie) & RX_DESC_MULTI_PAGE_COOKIE_OFFSET_MASK)
193 
194 #endif /* QCA_HOST_MODE_WIFI_DISABLED */
195 
196 #define RX_DESC_COOKIE_INDEX_SHIFT		0
197 #define RX_DESC_COOKIE_INDEX_MASK		0x3ffff /* 18 bits */
198 #define RX_DESC_COOKIE_POOL_ID_SHIFT		18
199 #define RX_DESC_COOKIE_POOL_ID_MASK		0x1c0000
200 
201 #define DP_RX_DESC_COOKIE_MAX	\
202 	(RX_DESC_COOKIE_INDEX_MASK | RX_DESC_COOKIE_POOL_ID_MASK)
203 
204 #define DP_RX_DESC_COOKIE_POOL_ID_GET(_cookie)		\
205 	(((_cookie) & RX_DESC_COOKIE_POOL_ID_MASK) >>	\
206 			RX_DESC_COOKIE_POOL_ID_SHIFT)
207 
208 #define DP_RX_DESC_COOKIE_INDEX_GET(_cookie)		\
209 	(((_cookie) & RX_DESC_COOKIE_INDEX_MASK) >>	\
210 			RX_DESC_COOKIE_INDEX_SHIFT)
211 
212 #define dp_rx_add_to_free_desc_list(head, tail, new) \
213 	__dp_rx_add_to_free_desc_list(head, tail, new, __func__)
214 
215 #define dp_rx_add_to_free_desc_list_reuse(head, tail, new) \
216 	__dp_rx_add_to_free_desc_list_reuse(head, tail, new, __func__)
217 
218 #define dp_rx_buffers_replenish(soc, mac_id, rxdma_srng, rx_desc_pool, \
219 				num_buffers, desc_list, tail, req_only) \
220 	__dp_rx_buffers_replenish(soc, mac_id, rxdma_srng, rx_desc_pool, \
221 				  num_buffers, desc_list, tail, req_only, \
222 				  __func__)
223 
224 #ifdef WLAN_SUPPORT_RX_FISA
225 /**
226  * dp_rx_set_hdr_pad() - set l3 padding in nbuf cb
227  * @nbuf: pkt skb pointer
228  * @l3_padding: l3 padding
229  *
230  * Return: None
231  */
232 static inline
233 void dp_rx_set_hdr_pad(qdf_nbuf_t nbuf, uint32_t l3_padding)
234 {
235 	QDF_NBUF_CB_RX_PACKET_L3_HDR_PAD(nbuf) = l3_padding;
236 }
237 #else
238 static inline
239 void dp_rx_set_hdr_pad(qdf_nbuf_t nbuf, uint32_t l3_padding)
240 {
241 }
242 #endif
243 
244 #ifdef DP_RX_SPECIAL_FRAME_NEED
245 /**
246  * dp_rx_is_special_frame() - check is RX frame special needed
247  *
248  * @nbuf: RX skb pointer
249  * @frame_mask: the mask for special frame needed
250  *
251  * Check is RX frame wanted matched with mask
252  *
253  * Return: true - special frame needed, false - no
254  */
255 static inline
256 bool dp_rx_is_special_frame(qdf_nbuf_t nbuf, uint32_t frame_mask)
257 {
258 	if (((frame_mask & FRAME_MASK_IPV4_ARP) &&
259 	     qdf_nbuf_is_ipv4_arp_pkt(nbuf)) ||
260 	    ((frame_mask & FRAME_MASK_IPV4_DHCP) &&
261 	     qdf_nbuf_is_ipv4_dhcp_pkt(nbuf)) ||
262 	    ((frame_mask & FRAME_MASK_IPV4_EAPOL) &&
263 	     qdf_nbuf_is_ipv4_eapol_pkt(nbuf)) ||
264 	    ((frame_mask & FRAME_MASK_IPV6_DHCP) &&
265 	     qdf_nbuf_is_ipv6_dhcp_pkt(nbuf)))
266 		return true;
267 
268 	return false;
269 }
270 
271 /**
272  * dp_rx_deliver_special_frame() - Deliver the RX special frame to stack
273  *				   if matches mask
274  *
275  * @soc: Datapath soc handler
276  * @peer: pointer to DP peer
277  * @nbuf: pointer to the skb of RX frame
278  * @frame_mask: the mask for special frame needed
279  * @rx_tlv_hdr: start of rx tlv header
280  *
281  * note: Msdu_len must have been stored in QDF_NBUF_CB_RX_PKT_LEN(nbuf) and
282  * single nbuf is expected.
283  *
284  * Return: true - nbuf has been delivered to stack, false - not.
285  */
286 bool dp_rx_deliver_special_frame(struct dp_soc *soc, struct dp_txrx_peer *peer,
287 				 qdf_nbuf_t nbuf, uint32_t frame_mask,
288 				 uint8_t *rx_tlv_hdr);
289 #else
290 static inline
291 bool dp_rx_is_special_frame(qdf_nbuf_t nbuf, uint32_t frame_mask)
292 {
293 	return false;
294 }
295 
296 static inline
297 bool dp_rx_deliver_special_frame(struct dp_soc *soc, struct dp_txrx_peer *peer,
298 				 qdf_nbuf_t nbuf, uint32_t frame_mask,
299 				 uint8_t *rx_tlv_hdr)
300 {
301 	return false;
302 }
303 #endif
304 
305 #ifdef FEATURE_RX_LINKSPEED_ROAM_TRIGGER
306 /**
307  * dp_rx_data_is_specific() - Used to exclude specific frames
308  *                            not practical for getting rx
309  *                            stats like rate, mcs, nss, etc.
310  *
311  * @hal_soc_hdl: soc handler
312  * @rx_tlv_hdr: rx tlv header
313  * @nbuf: RX skb pointer
314  *
315  * Return: true - a specific frame  not suitable
316  *                for getting rx stats from it.
317  *         false - a common frame suitable for
318  *                 getting rx stats from it.
319  */
320 static inline
321 bool dp_rx_data_is_specific(hal_soc_handle_t hal_soc_hdl,
322 			    uint8_t *rx_tlv_hdr,
323 			    qdf_nbuf_t nbuf)
324 {
325 	if (qdf_unlikely(qdf_nbuf_is_da_mcbc(nbuf)))
326 		return true;
327 
328 	if (!hal_rx_tlv_first_mpdu_get(hal_soc_hdl, rx_tlv_hdr))
329 		return true;
330 
331 	if (!hal_rx_msdu_end_first_msdu_get(hal_soc_hdl, rx_tlv_hdr))
332 		return true;
333 
334 	/* ARP, EAPOL is neither IPV6 ETH nor IPV4 ETH from L3 level */
335 	if (qdf_likely(hal_rx_tlv_l3_type_get(hal_soc_hdl, rx_tlv_hdr) ==
336 	    QDF_NBUF_TRAC_IPV4_ETH_TYPE)) {
337 		if (qdf_nbuf_is_ipv4_dhcp_pkt(nbuf))
338 			return true;
339 	} else if (qdf_likely(hal_rx_tlv_l3_type_get(hal_soc_hdl, rx_tlv_hdr) ==
340 		   QDF_NBUF_TRAC_IPV6_ETH_TYPE)) {
341 		if (qdf_nbuf_is_ipv6_dhcp_pkt(nbuf))
342 			return true;
343 	} else {
344 		return true;
345 	}
346 	return false;
347 }
348 #else
349 static inline
350 bool dp_rx_data_is_specific(hal_soc_handle_t hal_soc_hdl,
351 			    uint8_t *rx_tlv_hdr,
352 			    qdf_nbuf_t nbuf)
353 
354 {
355 	/*
356 	 * default return is true to make sure that rx stats
357 	 * will not be handled when this feature is disabled
358 	 */
359 	return true;
360 }
361 #endif /* FEATURE_RX_LINKSPEED_ROAM_TRIGGER */
362 
363 #ifndef QCA_HOST_MODE_WIFI_DISABLED
364 #ifdef DP_RX_DISABLE_NDI_MDNS_FORWARDING
365 static inline
366 bool dp_rx_check_ndi_mdns_fwding(struct dp_txrx_peer *ta_txrx_peer,
367 				 qdf_nbuf_t nbuf, uint8_t link_id)
368 {
369 	if (ta_txrx_peer->vdev->opmode == wlan_op_mode_ndi &&
370 	    qdf_nbuf_is_ipv6_mdns_pkt(nbuf)) {
371 		DP_PEER_PER_PKT_STATS_INC(ta_txrx_peer,
372 					  rx.intra_bss.mdns_no_fwd,
373 					  1, link_id);
374 		return false;
375 	}
376 	return true;
377 }
378 #else
379 static inline
380 bool dp_rx_check_ndi_mdns_fwding(struct dp_txrx_peer *ta_txrx_peer,
381 				 qdf_nbuf_t nbuf, uint8_t link_id)
382 {
383 	return true;
384 }
385 #endif
386 #endif /* QCA_HOST_MODE_WIFI_DISABLED */
387 
388 /* DOC: Offset to obtain LLC hdr
389  *
390  * In the case of Wifi parse error
391  * to reach LLC header from beginning
392  * of VLAN tag we need to skip 8 bytes.
393  * Vlan_tag(4)+length(2)+length added
394  * by HW(2) = 8 bytes.
395  */
396 #define DP_SKIP_VLAN		8
397 
398 #ifndef QCA_HOST_MODE_WIFI_DISABLED
399 
400 /**
401  * struct dp_rx_cached_buf - rx cached buffer
402  * @node: linked list node
403  * @buf: skb buffer
404  */
405 struct dp_rx_cached_buf {
406 	qdf_list_node_t node;
407 	qdf_nbuf_t buf;
408 };
409 
410 #endif /* QCA_HOST_MODE_WIFI_DISABLED */
411 
412 /**
413  * dp_rx_xor_block() - xor block of data
414  * @b: destination data block
415  * @a: source data block
416  * @len: length of the data to process
417  *
418  * Return: None
419  */
420 static inline void dp_rx_xor_block(uint8_t *b, const uint8_t *a, qdf_size_t len)
421 {
422 	qdf_size_t i;
423 
424 	for (i = 0; i < len; i++)
425 		b[i] ^= a[i];
426 }
427 
428 /**
429  * dp_rx_rotl() - rotate the bits left
430  * @val: unsigned integer input value
431  * @bits: number of bits
432  *
433  * Return: Integer with left rotated by number of 'bits'
434  */
435 static inline uint32_t dp_rx_rotl(uint32_t val, int bits)
436 {
437 	return (val << bits) | (val >> (32 - bits));
438 }
439 
440 /**
441  * dp_rx_rotr() - rotate the bits right
442  * @val: unsigned integer input value
443  * @bits: number of bits
444  *
445  * Return: Integer with right rotated by number of 'bits'
446  */
447 static inline uint32_t dp_rx_rotr(uint32_t val, int bits)
448 {
449 	return (val >> bits) | (val << (32 - bits));
450 }
451 
452 /**
453  * dp_set_rx_queue() - set queue_mapping in skb
454  * @nbuf: skb
455  * @queue_id: rx queue_id
456  *
457  * Return: void
458  */
459 #ifdef QCA_OL_RX_MULTIQ_SUPPORT
460 static inline void dp_set_rx_queue(qdf_nbuf_t nbuf, uint8_t queue_id)
461 {
462 	qdf_nbuf_record_rx_queue(nbuf, queue_id);
463 	return;
464 }
465 #else
466 static inline void dp_set_rx_queue(qdf_nbuf_t nbuf, uint8_t queue_id)
467 {
468 }
469 #endif
470 
471 /**
472  * dp_rx_xswap() - swap the bits left
473  * @val: unsigned integer input value
474  *
475  * Return: Integer with bits swapped
476  */
477 static inline uint32_t dp_rx_xswap(uint32_t val)
478 {
479 	return ((val & 0x00ff00ff) << 8) | ((val & 0xff00ff00) >> 8);
480 }
481 
482 /**
483  * dp_rx_get_le32_split() - get little endian 32 bits split
484  * @b0: byte 0
485  * @b1: byte 1
486  * @b2: byte 2
487  * @b3: byte 3
488  *
489  * Return: Integer with split little endian 32 bits
490  */
491 static inline uint32_t dp_rx_get_le32_split(uint8_t b0, uint8_t b1, uint8_t b2,
492 					uint8_t b3)
493 {
494 	return b0 | (b1 << 8) | (b2 << 16) | (b3 << 24);
495 }
496 
497 /**
498  * dp_rx_get_le32() - get little endian 32 bits
499  * @p: source 32-bit value
500  *
501  * Return: Integer with little endian 32 bits
502  */
503 static inline uint32_t dp_rx_get_le32(const uint8_t *p)
504 {
505 	return dp_rx_get_le32_split(p[0], p[1], p[2], p[3]);
506 }
507 
508 /**
509  * dp_rx_put_le32() - put little endian 32 bits
510  * @p: destination char array
511  * @v: source 32-bit integer
512  *
513  * Return: None
514  */
515 static inline void dp_rx_put_le32(uint8_t *p, uint32_t v)
516 {
517 	p[0] = (v) & 0xff;
518 	p[1] = (v >> 8) & 0xff;
519 	p[2] = (v >> 16) & 0xff;
520 	p[3] = (v >> 24) & 0xff;
521 }
522 
523 /* Extract michal mic block of data */
524 #define dp_rx_michael_block(l, r)	\
525 	do {					\
526 		r ^= dp_rx_rotl(l, 17);	\
527 		l += r;				\
528 		r ^= dp_rx_xswap(l);		\
529 		l += r;				\
530 		r ^= dp_rx_rotl(l, 3);	\
531 		l += r;				\
532 		r ^= dp_rx_rotr(l, 2);	\
533 		l += r;				\
534 	} while (0)
535 
536 /**
537  * struct dp_rx_desc_list_elem_t
538  *
539  * @next: Next pointer to form free list
540  * @rx_desc: DP Rx descriptor
541  */
542 union dp_rx_desc_list_elem_t {
543 	union dp_rx_desc_list_elem_t *next;
544 	struct dp_rx_desc rx_desc;
545 };
546 
547 #ifdef RX_DESC_MULTI_PAGE_ALLOC
548 /**
549  * dp_rx_desc_find() - find dp rx descriptor from page ID and offset
550  * @page_id: Page ID
551  * @offset: Offset of the descriptor element
552  * @rx_pool: RX pool
553  *
554  * Return: RX descriptor element
555  */
556 union dp_rx_desc_list_elem_t *dp_rx_desc_find(uint16_t page_id, uint16_t offset,
557 					      struct rx_desc_pool *rx_pool);
558 
559 static inline
560 struct dp_rx_desc *dp_get_rx_desc_from_cookie(struct dp_soc *soc,
561 					      struct rx_desc_pool *pool,
562 					      uint32_t cookie)
563 {
564 	uint8_t pool_id = DP_RX_DESC_MULTI_PAGE_COOKIE_GET_POOL_ID(cookie);
565 	uint16_t page_id = DP_RX_DESC_MULTI_PAGE_COOKIE_GET_PAGE_ID(cookie);
566 	uint8_t offset = DP_RX_DESC_MULTI_PAGE_COOKIE_GET_OFFSET(cookie);
567 	struct rx_desc_pool *rx_desc_pool;
568 	union dp_rx_desc_list_elem_t *rx_desc_elem;
569 
570 	if (qdf_unlikely(pool_id >= MAX_PDEV_CNT))
571 		return NULL;
572 
573 	rx_desc_pool = &pool[pool_id];
574 	rx_desc_elem = (union dp_rx_desc_list_elem_t *)
575 		(rx_desc_pool->desc_pages.cacheable_pages[page_id] +
576 		rx_desc_pool->elem_size * offset);
577 
578 	return &rx_desc_elem->rx_desc;
579 }
580 
581 static inline
582 struct dp_rx_desc *dp_get_rx_mon_status_desc_from_cookie(struct dp_soc *soc,
583 							 struct rx_desc_pool *pool,
584 							 uint32_t cookie)
585 {
586 	uint8_t pool_id = DP_RX_DESC_MULTI_PAGE_COOKIE_GET_POOL_ID(cookie);
587 	uint16_t page_id = DP_RX_DESC_MULTI_PAGE_COOKIE_GET_PAGE_ID(cookie);
588 	uint8_t offset = DP_RX_DESC_MULTI_PAGE_COOKIE_GET_OFFSET(cookie);
589 	struct rx_desc_pool *rx_desc_pool;
590 	union dp_rx_desc_list_elem_t *rx_desc_elem;
591 
592 	if (qdf_unlikely(pool_id >= NUM_RXDMA_STATUS_RINGS_PER_PDEV))
593 		return NULL;
594 
595 	rx_desc_pool = &pool[pool_id];
596 	rx_desc_elem = (union dp_rx_desc_list_elem_t *)
597 		(rx_desc_pool->desc_pages.cacheable_pages[page_id] +
598 		rx_desc_pool->elem_size * offset);
599 
600 	return &rx_desc_elem->rx_desc;
601 }
602 
603 /**
604  * dp_rx_cookie_2_va_rxdma_buf() - Converts cookie to a virtual address of
605  *			 the Rx descriptor on Rx DMA source ring buffer
606  * @soc: core txrx main context
607  * @cookie: cookie used to lookup virtual address
608  *
609  * Return: Pointer to the Rx descriptor
610  */
611 static inline
612 struct dp_rx_desc *dp_rx_cookie_2_va_rxdma_buf(struct dp_soc *soc,
613 					       uint32_t cookie)
614 {
615 	return dp_get_rx_desc_from_cookie(soc, &soc->rx_desc_buf[0], cookie);
616 }
617 
618 /**
619  * dp_rx_cookie_2_va_mon_buf() - Converts cookie to a virtual address of
620  *			 the Rx descriptor on monitor ring buffer
621  * @soc: core txrx main context
622  * @cookie: cookie used to lookup virtual address
623  *
624  * Return: Pointer to the Rx descriptor
625  */
626 static inline
627 struct dp_rx_desc *dp_rx_cookie_2_va_mon_buf(struct dp_soc *soc,
628 					     uint32_t cookie)
629 {
630 	return dp_get_rx_desc_from_cookie(soc, &soc->rx_desc_mon[0], cookie);
631 }
632 
633 /**
634  * dp_rx_cookie_2_va_mon_status() - Converts cookie to a virtual address of
635  *			 the Rx descriptor on monitor status ring buffer
636  * @soc: core txrx main context
637  * @cookie: cookie used to lookup virtual address
638  *
639  * Return: Pointer to the Rx descriptor
640  */
641 static inline
642 struct dp_rx_desc *dp_rx_cookie_2_va_mon_status(struct dp_soc *soc,
643 						uint32_t cookie)
644 {
645 	return dp_get_rx_mon_status_desc_from_cookie(soc,
646 						     &soc->rx_desc_status[0],
647 						     cookie);
648 }
649 #else
650 
651 void dp_rx_desc_pool_init(struct dp_soc *soc, uint32_t pool_id,
652 			  uint32_t pool_size,
653 			  struct rx_desc_pool *rx_desc_pool);
654 
655 /**
656  * dp_rx_cookie_2_va_rxdma_buf() - Converts cookie to a virtual address of
657  *			 the Rx descriptor on Rx DMA source ring buffer
658  * @soc: core txrx main context
659  * @cookie: cookie used to lookup virtual address
660  *
661  * Return: void *: Virtual Address of the Rx descriptor
662  */
663 static inline
664 void *dp_rx_cookie_2_va_rxdma_buf(struct dp_soc *soc, uint32_t cookie)
665 {
666 	uint8_t pool_id = DP_RX_DESC_COOKIE_POOL_ID_GET(cookie);
667 	uint16_t index = DP_RX_DESC_COOKIE_INDEX_GET(cookie);
668 	struct rx_desc_pool *rx_desc_pool;
669 
670 	if (qdf_unlikely(pool_id >= MAX_RXDESC_POOLS))
671 		return NULL;
672 
673 	rx_desc_pool = &soc->rx_desc_buf[pool_id];
674 
675 	if (qdf_unlikely(index >= rx_desc_pool->pool_size))
676 		return NULL;
677 
678 	return &rx_desc_pool->array[index].rx_desc;
679 }
680 
681 /**
682  * dp_rx_cookie_2_va_mon_buf() - Converts cookie to a virtual address of
683  *			 the Rx descriptor on monitor ring buffer
684  * @soc: core txrx main context
685  * @cookie: cookie used to lookup virtual address
686  *
687  * Return: void *: Virtual Address of the Rx descriptor
688  */
689 static inline
690 void *dp_rx_cookie_2_va_mon_buf(struct dp_soc *soc, uint32_t cookie)
691 {
692 	uint8_t pool_id = DP_RX_DESC_COOKIE_POOL_ID_GET(cookie);
693 	uint16_t index = DP_RX_DESC_COOKIE_INDEX_GET(cookie);
694 	/* TODO */
695 	/* Add sanity for pool_id & index */
696 	return &(soc->rx_desc_mon[pool_id].array[index].rx_desc);
697 }
698 
699 /**
700  * dp_rx_cookie_2_va_mon_status() - Converts cookie to a virtual address of
701  *			 the Rx descriptor on monitor status ring buffer
702  * @soc: core txrx main context
703  * @cookie: cookie used to lookup virtual address
704  *
705  * Return: void *: Virtual Address of the Rx descriptor
706  */
707 static inline
708 void *dp_rx_cookie_2_va_mon_status(struct dp_soc *soc, uint32_t cookie)
709 {
710 	uint8_t pool_id = DP_RX_DESC_COOKIE_POOL_ID_GET(cookie);
711 	uint16_t index = DP_RX_DESC_COOKIE_INDEX_GET(cookie);
712 	/* TODO */
713 	/* Add sanity for pool_id & index */
714 	return &(soc->rx_desc_status[pool_id].array[index].rx_desc);
715 }
716 #endif /* RX_DESC_MULTI_PAGE_ALLOC */
717 
718 #ifndef QCA_HOST_MODE_WIFI_DISABLED
719 
720 static inline bool dp_rx_check_ap_bridge(struct dp_vdev *vdev)
721 {
722 	return vdev->ap_bridge_enabled;
723 }
724 
725 #ifdef DP_RX_DESC_COOKIE_INVALIDATE
726 static inline QDF_STATUS
727 dp_rx_cookie_check_and_invalidate(hal_ring_desc_t ring_desc)
728 {
729 	if (qdf_unlikely(HAL_RX_REO_BUF_COOKIE_INVALID_GET(ring_desc)))
730 		return QDF_STATUS_E_FAILURE;
731 
732 	HAL_RX_REO_BUF_COOKIE_INVALID_SET(ring_desc);
733 	return QDF_STATUS_SUCCESS;
734 }
735 
736 /**
737  * dp_rx_cookie_reset_invalid_bit() - Reset the invalid bit of the cookie
738  *  field in ring descriptor
739  * @ring_desc: ring descriptor
740  *
741  * Return: None
742  */
743 static inline void
744 dp_rx_cookie_reset_invalid_bit(hal_ring_desc_t ring_desc)
745 {
746 	HAL_RX_REO_BUF_COOKIE_INVALID_RESET(ring_desc);
747 }
748 #else
749 static inline QDF_STATUS
750 dp_rx_cookie_check_and_invalidate(hal_ring_desc_t ring_desc)
751 {
752 	return QDF_STATUS_SUCCESS;
753 }
754 
755 static inline void
756 dp_rx_cookie_reset_invalid_bit(hal_ring_desc_t ring_desc)
757 {
758 }
759 #endif
760 
761 #endif /* QCA_HOST_MODE_WIFI_DISABLED */
762 
763 #if defined(RX_DESC_MULTI_PAGE_ALLOC) && \
764 	defined(DP_WAR_VALIDATE_RX_ERR_MSDU_COOKIE)
765 /**
766  * dp_rx_is_sw_cookie_valid() - check whether SW cookie valid
767  * @soc: dp soc ref
768  * @cookie: Rx buf SW cookie value
769  *
770  * Return: true if cookie is valid else false
771  */
772 static inline bool dp_rx_is_sw_cookie_valid(struct dp_soc *soc,
773 					    uint32_t cookie)
774 {
775 	uint8_t pool_id = DP_RX_DESC_MULTI_PAGE_COOKIE_GET_POOL_ID(cookie);
776 	uint16_t page_id = DP_RX_DESC_MULTI_PAGE_COOKIE_GET_PAGE_ID(cookie);
777 	uint8_t offset = DP_RX_DESC_MULTI_PAGE_COOKIE_GET_OFFSET(cookie);
778 	struct rx_desc_pool *rx_desc_pool;
779 
780 	if (qdf_unlikely(pool_id >= MAX_PDEV_CNT))
781 		goto fail;
782 
783 	rx_desc_pool = &soc->rx_desc_buf[pool_id];
784 
785 	if (page_id >= rx_desc_pool->desc_pages.num_pages ||
786 	    offset >= rx_desc_pool->desc_pages.num_element_per_page)
787 		goto fail;
788 
789 	return true;
790 
791 fail:
792 	DP_STATS_INC(soc, rx.err.invalid_cookie, 1);
793 	return false;
794 }
795 #else
796 /**
797  * dp_rx_is_sw_cookie_valid() - check whether SW cookie valid
798  * @soc: dp soc ref
799  * @cookie: Rx buf SW cookie value
800  *
801  * When multi page alloc is disabled SW cookie validness is
802  * checked while fetching Rx descriptor, so no need to check here
803  *
804  * Return: true if cookie is valid else false
805  */
806 static inline bool dp_rx_is_sw_cookie_valid(struct dp_soc *soc,
807 					    uint32_t cookie)
808 {
809 	return true;
810 }
811 #endif
812 
813 /**
814  * dp_rx_desc_pool_is_allocated() - check if memory is allocated for the
815  *					rx descriptor pool
816  * @rx_desc_pool: rx descriptor pool pointer
817  *
818  * Return: QDF_STATUS  QDF_STATUS_SUCCESS
819  *		       QDF_STATUS_E_NOMEM
820  */
821 QDF_STATUS dp_rx_desc_pool_is_allocated(struct rx_desc_pool *rx_desc_pool);
822 
823 /**
824  * dp_rx_desc_pool_alloc() - Allocate a memory pool for software rx
825  *			     descriptors
826  * @soc: core txrx main context
827  * @pool_size: number of rx descriptors (size of the pool)
828  * @rx_desc_pool: rx descriptor pool pointer
829  *
830  * Return: QDF_STATUS  QDF_STATUS_SUCCESS
831  *		       QDF_STATUS_E_NOMEM
832  *		       QDF_STATUS_E_FAULT
833  */
834 QDF_STATUS dp_rx_desc_pool_alloc(struct dp_soc *soc,
835 				 uint32_t pool_size,
836 				 struct rx_desc_pool *rx_desc_pool);
837 
838 /**
839  * dp_rx_desc_pool_init() - Initialize the software RX descriptor pool
840  * @soc: core txrx main context
841  * @pool_id: pool_id which is one of 3 mac_ids
842  * @pool_size: size of the rx descriptor pool
843  * @rx_desc_pool: rx descriptor pool pointer
844  *
845  * Convert the pool of memory into a list of rx descriptors and create
846  * locks to access this list of rx descriptors.
847  *
848  */
849 void dp_rx_desc_pool_init(struct dp_soc *soc, uint32_t pool_id,
850 			  uint32_t pool_size,
851 			  struct rx_desc_pool *rx_desc_pool);
852 
853 /**
854  * dp_rx_add_desc_list_to_free_list() - append unused desc_list back to
855  *					freelist.
856  * @soc: core txrx main context
857  * @local_desc_list: local desc list provided by the caller
858  * @tail: attach the point to last desc of local desc list
859  * @pool_id: pool_id which is one of 3 mac_ids
860  * @rx_desc_pool: rx descriptor pool pointer
861  */
862 void dp_rx_add_desc_list_to_free_list(struct dp_soc *soc,
863 				union dp_rx_desc_list_elem_t **local_desc_list,
864 				union dp_rx_desc_list_elem_t **tail,
865 				uint16_t pool_id,
866 				struct rx_desc_pool *rx_desc_pool);
867 
868 /**
869  * dp_rx_get_free_desc_list() - provide a list of descriptors from
870  *				the free rx desc pool.
871  * @soc: core txrx main context
872  * @pool_id: pool_id which is one of 3 mac_ids
873  * @rx_desc_pool: rx descriptor pool pointer
874  * @num_descs: number of descs requested from freelist
875  * @desc_list: attach the descs to this list (output parameter)
876  * @tail: attach the point to last desc of free list (output parameter)
877  *
878  * Return: number of descs allocated from free list.
879  */
880 uint16_t dp_rx_get_free_desc_list(struct dp_soc *soc, uint32_t pool_id,
881 				struct rx_desc_pool *rx_desc_pool,
882 				uint16_t num_descs,
883 				union dp_rx_desc_list_elem_t **desc_list,
884 				union dp_rx_desc_list_elem_t **tail);
885 
886 /**
887  * dp_rx_pdev_desc_pool_alloc() -  allocate memory for software rx descriptor
888  *				   pool
889  * @pdev: core txrx pdev context
890  *
891  * Return: QDF_STATUS - QDF_STATUS_SUCCESS
892  *			QDF_STATUS_E_NOMEM
893  */
894 QDF_STATUS dp_rx_pdev_desc_pool_alloc(struct dp_pdev *pdev);
895 
896 /**
897  * dp_rx_pdev_desc_pool_free() - free software rx descriptor pool
898  * @pdev: core txrx pdev context
899  */
900 void dp_rx_pdev_desc_pool_free(struct dp_pdev *pdev);
901 
902 /**
903  * dp_rx_pdev_desc_pool_init() - initialize software rx descriptors
904  * @pdev: core txrx pdev context
905  *
906  * Return: QDF_STATUS - QDF_STATUS_SUCCESS
907  *			QDF_STATUS_E_NOMEM
908  */
909 QDF_STATUS dp_rx_pdev_desc_pool_init(struct dp_pdev *pdev);
910 
911 /**
912  * dp_rx_pdev_desc_pool_deinit() - de-initialize software rx descriptor pools
913  * @pdev: core txrx pdev context
914  *
915  * This function resets the freelist of rx descriptors and destroys locks
916  * associated with this list of descriptors.
917  */
918 void dp_rx_pdev_desc_pool_deinit(struct dp_pdev *pdev);
919 
920 void dp_rx_desc_pool_deinit(struct dp_soc *soc,
921 			    struct rx_desc_pool *rx_desc_pool,
922 			    uint32_t pool_id);
923 
924 QDF_STATUS dp_rx_pdev_attach(struct dp_pdev *pdev);
925 
926 /**
927  * dp_rx_pdev_buffers_alloc() - Allocate nbufs (skbs) and replenish RxDMA ring
928  * @pdev: core txrx pdev context
929  *
930  * Return: QDF_STATUS - QDF_STATUS_SUCCESS
931  *			QDF_STATUS_E_NOMEM
932  */
933 QDF_STATUS dp_rx_pdev_buffers_alloc(struct dp_pdev *pdev);
934 
935 /**
936  * dp_rx_pdev_buffers_free() - Free nbufs (skbs)
937  * @pdev: core txrx pdev context
938  */
939 void dp_rx_pdev_buffers_free(struct dp_pdev *pdev);
940 
941 void dp_rx_pdev_detach(struct dp_pdev *pdev);
942 
943 /**
944  * dp_print_napi_stats() - NAPI stats
945  * @soc: soc handle
946  */
947 void dp_print_napi_stats(struct dp_soc *soc);
948 
949 /**
950  * dp_rx_vdev_detach() - detach vdev from dp rx
951  * @vdev: virtual device instance
952  *
953  * Return: QDF_STATUS_SUCCESS: success
954  *         QDF_STATUS_E_RESOURCES: Error return
955  */
956 QDF_STATUS dp_rx_vdev_detach(struct dp_vdev *vdev);
957 
958 #ifndef QCA_HOST_MODE_WIFI_DISABLED
959 
960 uint32_t
961 dp_rx_process(struct dp_intr *int_ctx, hal_ring_handle_t hal_ring_hdl,
962 	      uint8_t reo_ring_num,
963 	      uint32_t quota);
964 
965 /**
966  * dp_rx_sg_create() - create a frag_list for MSDUs which are spread across
967  *		     multiple nbufs.
968  * @soc: core txrx main context
969  * @nbuf: pointer to the first msdu of an amsdu.
970  *
971  * This function implements the creation of RX frag_list for cases
972  * where an MSDU is spread across multiple nbufs.
973  *
974  * Return: returns the head nbuf which contains complete frag_list.
975  */
976 qdf_nbuf_t dp_rx_sg_create(struct dp_soc *soc, qdf_nbuf_t nbuf);
977 
978 /**
979  * dp_rx_is_sg_supported() - SG packets processing supported or not.
980  *
981  * Return: returns true when processing is supported else false.
982  */
983 bool dp_rx_is_sg_supported(void);
984 
985 /**
986  * dp_rx_desc_nbuf_and_pool_free() - free the sw rx desc pool called during
987  *				     de-initialization of wifi module.
988  *
989  * @soc: core txrx main context
990  * @pool_id: pool_id which is one of 3 mac_ids
991  * @rx_desc_pool: rx descriptor pool pointer
992  *
993  * Return: None
994  */
995 void dp_rx_desc_nbuf_and_pool_free(struct dp_soc *soc, uint32_t pool_id,
996 				   struct rx_desc_pool *rx_desc_pool);
997 
998 #endif /* QCA_HOST_MODE_WIFI_DISABLED */
999 
1000 /**
1001  * dp_rx_desc_nbuf_free() - free the sw rx desc nbufs called during
1002  *			    de-initialization of wifi module.
1003  *
1004  * @soc: core txrx main context
1005  * @rx_desc_pool: rx descriptor pool pointer
1006  * @is_mon_pool: true if this is a monitor pool
1007  *
1008  * Return: None
1009  */
1010 void dp_rx_desc_nbuf_free(struct dp_soc *soc,
1011 			  struct rx_desc_pool *rx_desc_pool,
1012 			  bool is_mon_pool);
1013 
1014 #ifdef DP_RX_MON_MEM_FRAG
1015 /**
1016  * dp_rx_desc_frag_free() - free the sw rx desc frag called during
1017  *			    de-initialization of wifi module.
1018  *
1019  * @soc: core txrx main context
1020  * @rx_desc_pool: rx descriptor pool pointer
1021  *
1022  * Return: None
1023  */
1024 void dp_rx_desc_frag_free(struct dp_soc *soc,
1025 			  struct rx_desc_pool *rx_desc_pool);
1026 #else
1027 static inline
1028 void dp_rx_desc_frag_free(struct dp_soc *soc,
1029 			  struct rx_desc_pool *rx_desc_pool)
1030 {
1031 }
1032 #endif
1033 /**
1034  * dp_rx_desc_pool_free() - free the sw rx desc array called during
1035  *			    de-initialization of wifi module.
1036  *
1037  * @soc: core txrx main context
1038  * @rx_desc_pool: rx descriptor pool pointer
1039  *
1040  * Return: None
1041  */
1042 void dp_rx_desc_pool_free(struct dp_soc *soc,
1043 			  struct rx_desc_pool *rx_desc_pool);
1044 
1045 /**
1046  * dp_rx_deliver_raw() - process RAW mode pkts and hand over the
1047  *				pkts to RAW mode simulation to
1048  *				decapsulate the pkt.
1049  * @vdev: vdev on which RAW mode is enabled
1050  * @nbuf_list: list of RAW pkts to process
1051  * @peer: peer object from which the pkt is rx
1052  * @link_id: link Id on which the packet is received
1053  *
1054  * Return: void
1055  */
1056 void dp_rx_deliver_raw(struct dp_vdev *vdev, qdf_nbuf_t nbuf_list,
1057 		       struct dp_txrx_peer *peer, uint8_t link_id);
1058 
1059 #ifdef RX_DESC_LOGGING
1060 /**
1061  * dp_rx_desc_alloc_dbg_info() - Alloc memory for rx descriptor debug
1062  *  structure
1063  * @rx_desc: rx descriptor pointer
1064  *
1065  * Return: None
1066  */
1067 static inline
1068 void dp_rx_desc_alloc_dbg_info(struct dp_rx_desc *rx_desc)
1069 {
1070 	rx_desc->dbg_info = qdf_mem_malloc(sizeof(struct dp_rx_desc_dbg_info));
1071 }
1072 
1073 /**
1074  * dp_rx_desc_free_dbg_info() - Free rx descriptor debug
1075  *  structure memory
1076  * @rx_desc: rx descriptor pointer
1077  *
1078  * Return: None
1079  */
1080 static inline
1081 void dp_rx_desc_free_dbg_info(struct dp_rx_desc *rx_desc)
1082 {
1083 	qdf_mem_free(rx_desc->dbg_info);
1084 }
1085 
1086 /**
1087  * dp_rx_desc_update_dbg_info() - Update rx descriptor debug info
1088  *  structure memory
1089  * @rx_desc: rx descriptor pointer
1090  * @func_name: name of calling function
1091  * @flag:
1092  *
1093  * Return: None
1094  */
1095 static
1096 void dp_rx_desc_update_dbg_info(struct dp_rx_desc *rx_desc,
1097 				const char *func_name, uint8_t flag)
1098 {
1099 	struct dp_rx_desc_dbg_info *info = rx_desc->dbg_info;
1100 
1101 	if (!info)
1102 		return;
1103 
1104 	if (flag == RX_DESC_REPLENISHED) {
1105 		qdf_str_lcopy(info->replenish_caller, func_name,
1106 			      QDF_MEM_FUNC_NAME_SIZE);
1107 		info->replenish_ts = qdf_get_log_timestamp();
1108 	} else {
1109 		qdf_str_lcopy(info->freelist_caller, func_name,
1110 			      QDF_MEM_FUNC_NAME_SIZE);
1111 		info->freelist_ts = qdf_get_log_timestamp();
1112 		info->prev_nbuf = rx_desc->nbuf;
1113 		info->prev_nbuf_data_addr = rx_desc->nbuf_data_addr;
1114 		rx_desc->nbuf_data_addr = NULL;
1115 	}
1116 }
1117 #else
1118 
1119 static inline
1120 void dp_rx_desc_alloc_dbg_info(struct dp_rx_desc *rx_desc)
1121 {
1122 }
1123 
1124 static inline
1125 void dp_rx_desc_free_dbg_info(struct dp_rx_desc *rx_desc)
1126 {
1127 }
1128 
1129 static inline
1130 void dp_rx_desc_update_dbg_info(struct dp_rx_desc *rx_desc,
1131 				const char *func_name, uint8_t flag)
1132 {
1133 }
1134 #endif /* RX_DESC_LOGGING */
1135 
1136 /**
1137  * __dp_rx_add_to_free_desc_list() - Adds to a local free descriptor list
1138  *
1139  * @head: pointer to the head of local free list
1140  * @tail: pointer to the tail of local free list
1141  * @new: new descriptor that is added to the free list
1142  * @func_name: caller func name
1143  *
1144  * Return: void:
1145  */
1146 static inline
1147 void __dp_rx_add_to_free_desc_list(union dp_rx_desc_list_elem_t **head,
1148 				 union dp_rx_desc_list_elem_t **tail,
1149 				 struct dp_rx_desc *new, const char *func_name)
1150 {
1151 	qdf_assert(head && new);
1152 
1153 	dp_rx_desc_update_dbg_info(new, func_name, RX_DESC_IN_FREELIST);
1154 
1155 	new->nbuf = NULL;
1156 	new->in_use = 0;
1157 
1158 	((union dp_rx_desc_list_elem_t *)new)->next = *head;
1159 	*head = (union dp_rx_desc_list_elem_t *)new;
1160 	/* reset tail if head->next is NULL */
1161 	if (!*tail || !(*head)->next)
1162 		*tail = *head;
1163 }
1164 
1165 /**
1166  * dp_rx_process_invalid_peer(): Function to pass invalid peer list to umac
1167  * @soc: DP SOC handle
1168  * @nbuf: network buffer
1169  * @mac_id: mac_id which is one of 3 mac_ids(Assuming mac_id and
1170  * pool_id has same mapping)
1171  *
1172  * Return: integer type
1173  */
1174 uint8_t dp_rx_process_invalid_peer(struct dp_soc *soc, qdf_nbuf_t nbuf,
1175 				   uint8_t mac_id);
1176 
1177 /**
1178  * dp_rx_process_invalid_peer_wrapper(): Function to wrap invalid peer handler
1179  * @soc: DP SOC handle
1180  * @mpdu: mpdu for which peer is invalid
1181  * @mpdu_done: if an mpdu is completed
1182  * @mac_id: mac_id which is one of 3 mac_ids(Assuming mac_id and
1183  * pool_id has same mapping)
1184  *
1185  * Return: integer type
1186  */
1187 void dp_rx_process_invalid_peer_wrapper(struct dp_soc *soc,
1188 		qdf_nbuf_t mpdu, bool mpdu_done, uint8_t mac_id);
1189 
1190 #define DP_RX_HEAD_APPEND(head, elem) \
1191 	do {                                                            \
1192 		qdf_nbuf_set_next((elem), (head));			\
1193 		(head) = (elem);                                        \
1194 	} while (0)
1195 
1196 
1197 #define DP_RX_LIST_APPEND(head, tail, elem) \
1198 	do {                                                          \
1199 		if (!(head)) {                                        \
1200 			(head) = (elem);                              \
1201 			QDF_NBUF_CB_RX_NUM_ELEMENTS_IN_LIST(head) = 1;\
1202 		} else {                                              \
1203 			qdf_nbuf_set_next((tail), (elem));            \
1204 			QDF_NBUF_CB_RX_NUM_ELEMENTS_IN_LIST(head)++;  \
1205 		}                                                     \
1206 		(tail) = (elem);                                      \
1207 		qdf_nbuf_set_next((tail), NULL);                      \
1208 	} while (0)
1209 
1210 #define DP_RX_MERGE_TWO_LIST(phead, ptail, chead, ctail) \
1211 	do {                                                          \
1212 		if (!(phead)) {                                       \
1213 			(phead) = (chead);                            \
1214 		} else {                                              \
1215 			qdf_nbuf_set_next((ptail), (chead));          \
1216 			QDF_NBUF_CB_RX_NUM_ELEMENTS_IN_LIST(phead) += \
1217 			QDF_NBUF_CB_RX_NUM_ELEMENTS_IN_LIST(chead);   \
1218 		}                                                     \
1219 		(ptail) = (ctail);                                    \
1220 		qdf_nbuf_set_next((ptail), NULL);                     \
1221 	} while (0)
1222 
1223 #if defined(QCA_PADDR_CHECK_ON_3RD_PARTY_PLATFORM)
1224 /*
1225  * on some third-party platform, the memory below 0x2000
1226  * is reserved for target use, so any memory allocated in this
1227  * region should not be used by host
1228  */
1229 #define MAX_RETRY 50
1230 #define DP_PHY_ADDR_RESERVED	0x2000
1231 #elif defined(BUILD_X86)
1232 /*
1233  * in M2M emulation platforms (x86) the memory below 0x50000000
1234  * is reserved for target use, so any memory allocated in this
1235  * region should not be used by host
1236  */
1237 #define MAX_RETRY 100
1238 #define DP_PHY_ADDR_RESERVED	0x50000000
1239 #endif
1240 
1241 #if defined(QCA_PADDR_CHECK_ON_3RD_PARTY_PLATFORM) || defined(BUILD_X86)
1242 /**
1243  * dp_check_paddr() - check if current phy address is valid or not
1244  * @dp_soc: core txrx main context
1245  * @rx_netbuf: skb buffer
1246  * @paddr: physical address
1247  * @rx_desc_pool: struct of rx descriptor pool
1248  * check if the physical address of the nbuf->data is less
1249  * than DP_PHY_ADDR_RESERVED then free the nbuf and try
1250  * allocating new nbuf. We can try for 100 times.
1251  *
1252  * This is a temp WAR till we fix it properly.
1253  *
1254  * Return: success or failure.
1255  */
1256 static inline
1257 int dp_check_paddr(struct dp_soc *dp_soc,
1258 		   qdf_nbuf_t *rx_netbuf,
1259 		   qdf_dma_addr_t *paddr,
1260 		   struct rx_desc_pool *rx_desc_pool)
1261 {
1262 	uint32_t nbuf_retry = 0;
1263 	int32_t ret;
1264 
1265 	if (qdf_likely(*paddr > DP_PHY_ADDR_RESERVED))
1266 		return QDF_STATUS_SUCCESS;
1267 
1268 	do {
1269 		dp_debug("invalid phy addr 0x%llx, trying again",
1270 			 (uint64_t)(*paddr));
1271 		nbuf_retry++;
1272 		if ((*rx_netbuf)) {
1273 			/* Not freeing buffer intentionally.
1274 			 * Observed that same buffer is getting
1275 			 * re-allocated resulting in longer load time
1276 			 * WMI init timeout.
1277 			 * This buffer is anyway not useful so skip it.
1278 			 *.Add such buffer to invalid list and free
1279 			 *.them when driver unload.
1280 			 **/
1281 			qdf_nbuf_unmap_nbytes_single(dp_soc->osdev,
1282 						     *rx_netbuf,
1283 						     QDF_DMA_FROM_DEVICE,
1284 						     rx_desc_pool->buf_size);
1285 			qdf_nbuf_queue_add(&dp_soc->invalid_buf_queue,
1286 					   *rx_netbuf);
1287 		}
1288 
1289 		*rx_netbuf = qdf_nbuf_alloc(dp_soc->osdev,
1290 					    rx_desc_pool->buf_size,
1291 					    RX_BUFFER_RESERVATION,
1292 					    rx_desc_pool->buf_alignment,
1293 					    FALSE);
1294 
1295 		if (qdf_unlikely(!(*rx_netbuf)))
1296 			return QDF_STATUS_E_FAILURE;
1297 
1298 		ret = qdf_nbuf_map_nbytes_single(dp_soc->osdev,
1299 						 *rx_netbuf,
1300 						 QDF_DMA_FROM_DEVICE,
1301 						 rx_desc_pool->buf_size);
1302 
1303 		if (qdf_unlikely(ret == QDF_STATUS_E_FAILURE)) {
1304 			qdf_nbuf_free(*rx_netbuf);
1305 			*rx_netbuf = NULL;
1306 			continue;
1307 		}
1308 
1309 		*paddr = qdf_nbuf_get_frag_paddr(*rx_netbuf, 0);
1310 
1311 		if (qdf_likely(*paddr > DP_PHY_ADDR_RESERVED))
1312 			return QDF_STATUS_SUCCESS;
1313 
1314 	} while (nbuf_retry < MAX_RETRY);
1315 
1316 	if ((*rx_netbuf)) {
1317 		qdf_nbuf_unmap_nbytes_single(dp_soc->osdev,
1318 					     *rx_netbuf,
1319 					     QDF_DMA_FROM_DEVICE,
1320 					     rx_desc_pool->buf_size);
1321 		qdf_nbuf_queue_add(&dp_soc->invalid_buf_queue,
1322 				   *rx_netbuf);
1323 	}
1324 
1325 	return QDF_STATUS_E_FAILURE;
1326 }
1327 
1328 #else
1329 static inline
1330 int dp_check_paddr(struct dp_soc *dp_soc,
1331 		   qdf_nbuf_t *rx_netbuf,
1332 		   qdf_dma_addr_t *paddr,
1333 		   struct rx_desc_pool *rx_desc_pool)
1334 {
1335 	return QDF_STATUS_SUCCESS;
1336 }
1337 
1338 #endif
1339 
1340 /**
1341  * dp_rx_cookie_2_link_desc_va() - Converts cookie to a virtual address of
1342  *				   the MSDU Link Descriptor
1343  * @soc: core txrx main context
1344  * @buf_info: buf_info includes cookie that is used to lookup
1345  * virtual address of link descriptor after deriving the page id
1346  * and the offset or index of the desc on the associatde page.
1347  *
1348  * This is the VA of the link descriptor, that HAL layer later uses to
1349  * retrieve the list of MSDU's for a given MPDU.
1350  *
1351  * Return: void *: Virtual Address of the Rx descriptor
1352  */
1353 static inline
1354 void *dp_rx_cookie_2_link_desc_va(struct dp_soc *soc,
1355 				  struct hal_buf_info *buf_info)
1356 {
1357 	void *link_desc_va;
1358 	struct qdf_mem_multi_page_t *pages;
1359 	uint16_t page_id = LINK_DESC_COOKIE_PAGE_ID(buf_info->sw_cookie);
1360 
1361 	pages = &soc->link_desc_pages;
1362 	if (!pages)
1363 		return NULL;
1364 	if (qdf_unlikely(page_id >= pages->num_pages))
1365 		return NULL;
1366 	link_desc_va = pages->dma_pages[page_id].page_v_addr_start +
1367 		(buf_info->paddr - pages->dma_pages[page_id].page_p_addr);
1368 	return link_desc_va;
1369 }
1370 
1371 #ifndef QCA_HOST_MODE_WIFI_DISABLED
1372 #ifdef DISABLE_EAPOL_INTRABSS_FWD
1373 #ifdef WLAN_FEATURE_11BE_MLO
1374 static inline bool dp_nbuf_dst_addr_is_mld_addr(struct dp_vdev *vdev,
1375 						qdf_nbuf_t nbuf)
1376 {
1377 	struct qdf_mac_addr *self_mld_mac_addr =
1378 				(struct qdf_mac_addr *)vdev->mld_mac_addr.raw;
1379 	return qdf_is_macaddr_equal(self_mld_mac_addr,
1380 				    (struct qdf_mac_addr *)qdf_nbuf_data(nbuf) +
1381 				    QDF_NBUF_DEST_MAC_OFFSET);
1382 }
1383 #else
1384 static inline bool dp_nbuf_dst_addr_is_mld_addr(struct dp_vdev *vdev,
1385 						qdf_nbuf_t nbuf)
1386 {
1387 	return false;
1388 }
1389 #endif
1390 
1391 static inline bool dp_nbuf_dst_addr_is_self_addr(struct dp_vdev *vdev,
1392 						 qdf_nbuf_t nbuf)
1393 {
1394 	return qdf_is_macaddr_equal((struct qdf_mac_addr *)vdev->mac_addr.raw,
1395 				    (struct qdf_mac_addr *)qdf_nbuf_data(nbuf) +
1396 				    QDF_NBUF_DEST_MAC_OFFSET);
1397 }
1398 
1399 /**
1400  * dp_rx_intrabss_eapol_drop_check() - API For EAPOL
1401  *  pkt with DA not equal to vdev mac addr, fwd is not allowed.
1402  * @soc: core txrx main context
1403  * @ta_txrx_peer: source peer entry
1404  * @rx_tlv_hdr: start address of rx tlvs
1405  * @nbuf: nbuf that has to be intrabss forwarded
1406  *
1407  * Return: true if it is forwarded else false
1408  */
1409 static inline
1410 bool dp_rx_intrabss_eapol_drop_check(struct dp_soc *soc,
1411 				     struct dp_txrx_peer *ta_txrx_peer,
1412 				     uint8_t *rx_tlv_hdr, qdf_nbuf_t nbuf)
1413 {
1414 	if (qdf_unlikely(qdf_nbuf_is_ipv4_eapol_pkt(nbuf) &&
1415 			 !(dp_nbuf_dst_addr_is_self_addr(ta_txrx_peer->vdev,
1416 							 nbuf) ||
1417 			   dp_nbuf_dst_addr_is_mld_addr(ta_txrx_peer->vdev,
1418 							nbuf)))) {
1419 		qdf_nbuf_free(nbuf);
1420 		DP_STATS_INC(soc, rx.err.intrabss_eapol_drop, 1);
1421 		return true;
1422 	}
1423 
1424 	return false;
1425 }
1426 #else /* DISABLE_EAPOL_INTRABSS_FWD */
1427 
1428 static inline
1429 bool dp_rx_intrabss_eapol_drop_check(struct dp_soc *soc,
1430 				     struct dp_txrx_peer *ta_txrx_peer,
1431 				     uint8_t *rx_tlv_hdr, qdf_nbuf_t nbuf)
1432 {
1433 	return false;
1434 }
1435 #endif /* DISABLE_EAPOL_INTRABSS_FWD */
1436 
1437 /**
1438  * dp_rx_intrabss_mcbc_fwd() - Does intrabss forward for mcast packets
1439  * @soc: core txrx main context
1440  * @ta_peer: source peer entry
1441  * @rx_tlv_hdr: start address of rx tlvs
1442  * @nbuf: nbuf that has to be intrabss forwarded
1443  * @tid_stats: tid stats pointer
1444  * @link_id: link Id on which packet is received
1445  *
1446  * Return: bool: true if it is forwarded else false
1447  */
1448 bool dp_rx_intrabss_mcbc_fwd(struct dp_soc *soc,
1449 			     struct dp_txrx_peer *ta_peer,
1450 			     uint8_t *rx_tlv_hdr, qdf_nbuf_t nbuf,
1451 			     struct cdp_tid_rx_stats *tid_stats,
1452 			     uint8_t link_id);
1453 
1454 /**
1455  * dp_rx_intrabss_ucast_fwd() - Does intrabss forward for unicast packets
1456  * @soc: core txrx main context
1457  * @ta_peer: source peer entry
1458  * @tx_vdev_id: VDEV ID for Intra-BSS TX
1459  * @rx_tlv_hdr: start address of rx tlvs
1460  * @nbuf: nbuf that has to be intrabss forwarded
1461  * @tid_stats: tid stats pointer
1462  * @link_id: link Id on which packet is received
1463  *
1464  * Return: bool: true if it is forwarded else false
1465  */
1466 bool dp_rx_intrabss_ucast_fwd(struct dp_soc *soc,
1467 			      struct dp_txrx_peer *ta_peer,
1468 			      uint8_t tx_vdev_id,
1469 			      uint8_t *rx_tlv_hdr, qdf_nbuf_t nbuf,
1470 			      struct cdp_tid_rx_stats *tid_stats,
1471 			      uint8_t link_id);
1472 
1473 /**
1474  * dp_rx_defrag_concat() - Concatenate the fragments
1475  *
1476  * @dst: destination pointer to the buffer
1477  * @src: source pointer from where the fragment payload is to be copied
1478  *
1479  * Return: QDF_STATUS
1480  */
1481 static inline QDF_STATUS dp_rx_defrag_concat(qdf_nbuf_t dst, qdf_nbuf_t src)
1482 {
1483 	/*
1484 	 * Inside qdf_nbuf_cat, if it is necessary to reallocate dst
1485 	 * to provide space for src, the headroom portion is copied from
1486 	 * the original dst buffer to the larger new dst buffer.
1487 	 * (This is needed, because the headroom of the dst buffer
1488 	 * contains the rx desc.)
1489 	 */
1490 	if (!qdf_nbuf_cat(dst, src)) {
1491 		/*
1492 		 * qdf_nbuf_cat does not free the src memory.
1493 		 * Free src nbuf before returning
1494 		 * For failure case the caller takes of freeing the nbuf
1495 		 */
1496 		qdf_nbuf_free(src);
1497 		return QDF_STATUS_SUCCESS;
1498 	}
1499 
1500 	return QDF_STATUS_E_DEFRAG_ERROR;
1501 }
1502 
1503 #endif /* QCA_HOST_MODE_WIFI_DISABLED */
1504 
1505 #ifndef FEATURE_WDS
1506 void dp_rx_da_learn(struct dp_soc *soc, uint8_t *rx_tlv_hdr,
1507 		    struct dp_txrx_peer *ta_txrx_peer, qdf_nbuf_t nbuf);
1508 
1509 static inline QDF_STATUS dp_rx_ast_set_active(struct dp_soc *soc, uint16_t sa_idx, bool is_active)
1510 {
1511 	return QDF_STATUS_SUCCESS;
1512 }
1513 
1514 static inline void
1515 dp_rx_wds_srcport_learn(struct dp_soc *soc,
1516 			uint8_t *rx_tlv_hdr,
1517 			struct dp_txrx_peer *txrx_peer,
1518 			qdf_nbuf_t nbuf,
1519 			struct hal_rx_msdu_metadata msdu_metadata)
1520 {
1521 }
1522 
1523 static inline void
1524 dp_rx_ipa_wds_srcport_learn(struct dp_soc *soc,
1525 			    struct dp_peer *ta_peer, qdf_nbuf_t nbuf,
1526 			    struct hal_rx_msdu_metadata msdu_end_info,
1527 			    bool ad4_valid, bool chfrag_start)
1528 {
1529 }
1530 #endif
1531 
1532 /**
1533  * dp_rx_desc_dump() - dump the sw rx descriptor
1534  *
1535  * @rx_desc: sw rx descriptor
1536  */
1537 static inline void dp_rx_desc_dump(struct dp_rx_desc *rx_desc)
1538 {
1539 	dp_info("rx_desc->nbuf: %pK, rx_desc->cookie: %d, rx_desc->pool_id: %d, rx_desc->in_use: %d, rx_desc->unmapped: %d",
1540 		rx_desc->nbuf, rx_desc->cookie, rx_desc->pool_id,
1541 		rx_desc->in_use, rx_desc->unmapped);
1542 }
1543 
1544 #ifndef QCA_HOST_MODE_WIFI_DISABLED
1545 
1546 /**
1547  * check_qwrap_multicast_loopback() - Check if rx packet is a loopback packet.
1548  *					In qwrap mode, packets originated from
1549  *					any vdev should not loopback and
1550  *					should be dropped.
1551  * @vdev: vdev on which rx packet is received
1552  * @nbuf: rx pkt
1553  *
1554  */
1555 #if ATH_SUPPORT_WRAP
1556 static inline bool check_qwrap_multicast_loopback(struct dp_vdev *vdev,
1557 						qdf_nbuf_t nbuf)
1558 {
1559 	struct dp_vdev *psta_vdev;
1560 	struct dp_pdev *pdev = vdev->pdev;
1561 	uint8_t *data = qdf_nbuf_data(nbuf);
1562 
1563 	if (qdf_unlikely(vdev->proxysta_vdev)) {
1564 		/* In qwrap isolation mode, allow loopback packets as all
1565 		 * packets go to RootAP and Loopback on the mpsta.
1566 		 */
1567 		if (vdev->isolation_vdev)
1568 			return false;
1569 		TAILQ_FOREACH(psta_vdev, &pdev->vdev_list, vdev_list_elem) {
1570 			if (qdf_unlikely(psta_vdev->proxysta_vdev &&
1571 					 !qdf_mem_cmp(psta_vdev->mac_addr.raw,
1572 						      &data[QDF_MAC_ADDR_SIZE],
1573 						      QDF_MAC_ADDR_SIZE))) {
1574 				/* Drop packet if source address is equal to
1575 				 * any of the vdev addresses.
1576 				 */
1577 				return true;
1578 			}
1579 		}
1580 	}
1581 	return false;
1582 }
1583 #else
1584 static inline bool check_qwrap_multicast_loopback(struct dp_vdev *vdev,
1585 						qdf_nbuf_t nbuf)
1586 {
1587 	return false;
1588 }
1589 #endif
1590 
1591 #endif /* QCA_HOST_MODE_WIFI_DISABLED */
1592 
1593 #if defined(WLAN_SUPPORT_RX_PROTOCOL_TYPE_TAG) ||\
1594 	defined(WLAN_SUPPORT_RX_TAG_STATISTICS) ||\
1595 	defined(WLAN_SUPPORT_RX_FLOW_TAG)
1596 #include "dp_rx_tag.h"
1597 #endif
1598 
1599 #if !defined(WLAN_SUPPORT_RX_PROTOCOL_TYPE_TAG) &&\
1600 	!defined(WLAN_SUPPORT_RX_FLOW_TAG)
1601 /**
1602  * dp_rx_update_protocol_tag() - Reads CCE metadata from the RX MSDU end TLV
1603  *                              and set the corresponding tag in QDF packet
1604  * @soc: core txrx main context
1605  * @vdev: vdev on which the packet is received
1606  * @nbuf: QDF pkt buffer on which the protocol tag should be set
1607  * @rx_tlv_hdr: rBbase address where the RX TLVs starts
1608  * @ring_index: REO ring number, not used for error & monitor ring
1609  * @is_reo_exception: flag to indicate if rx from REO ring or exception ring
1610  * @is_update_stats: flag to indicate whether to update stats or not
1611  *
1612  * Return: void
1613  */
1614 static inline void
1615 dp_rx_update_protocol_tag(struct dp_soc *soc, struct dp_vdev *vdev,
1616 			  qdf_nbuf_t nbuf, uint8_t *rx_tlv_hdr,
1617 			  uint16_t ring_index,
1618 			  bool is_reo_exception, bool is_update_stats)
1619 {
1620 }
1621 #endif
1622 
1623 #ifndef WLAN_SUPPORT_RX_PROTOCOL_TYPE_TAG
1624 /**
1625  * dp_rx_err_cce_drop() - Reads CCE metadata from the RX MSDU end TLV
1626  *                        and returns whether cce metadata matches
1627  * @soc: core txrx main context
1628  * @vdev: vdev on which the packet is received
1629  * @nbuf: QDF pkt buffer on which the protocol tag should be set
1630  * @rx_tlv_hdr: rBbase address where the RX TLVs starts
1631  *
1632  * Return: bool
1633  */
1634 static inline bool
1635 dp_rx_err_cce_drop(struct dp_soc *soc, struct dp_vdev *vdev,
1636 		   qdf_nbuf_t nbuf, uint8_t *rx_tlv_hdr)
1637 {
1638 	return false;
1639 }
1640 
1641 #endif /* WLAN_SUPPORT_RX_PROTOCOL_TYPE_TAG */
1642 
1643 #ifndef WLAN_SUPPORT_RX_FLOW_TAG
1644 /**
1645  * dp_rx_update_flow_tag() - Reads FSE metadata from the RX MSDU end TLV
1646  *                           and set the corresponding tag in QDF packet
1647  * @soc: core txrx main context
1648  * @vdev: vdev on which the packet is received
1649  * @nbuf: QDF pkt buffer on which the protocol tag should be set
1650  * @rx_tlv_hdr: base address where the RX TLVs starts
1651  * @update_stats: flag to indicate whether to update stats or not
1652  *
1653  * Return: void
1654  */
1655 static inline void
1656 dp_rx_update_flow_tag(struct dp_soc *soc, struct dp_vdev *vdev,
1657 		      qdf_nbuf_t nbuf, uint8_t *rx_tlv_hdr, bool update_stats)
1658 {
1659 }
1660 #endif /* WLAN_SUPPORT_RX_FLOW_TAG */
1661 
1662 #define CRITICAL_BUFFER_THRESHOLD	64
1663 /**
1664  * __dp_rx_buffers_replenish() - replenish rxdma ring with rx nbufs
1665  *			       called during dp rx initialization
1666  *			       and at the end of dp_rx_process.
1667  *
1668  * @dp_soc: core txrx main context
1669  * @mac_id: mac_id which is one of 3 mac_ids
1670  * @dp_rxdma_srng: dp rxdma circular ring
1671  * @rx_desc_pool: Pointer to free Rx descriptor pool
1672  * @num_req_buffers: number of buffer to be replenished
1673  * @desc_list: list of descs if called from dp_rx_process
1674  *	       or NULL during dp rx initialization or out of buffer
1675  *	       interrupt.
1676  * @tail: tail of descs list
1677  * @req_only: If true don't replenish more than req buffers
1678  * @func_name: name of the caller function
1679  *
1680  * Return: return success or failure
1681  */
1682 QDF_STATUS __dp_rx_buffers_replenish(struct dp_soc *dp_soc, uint32_t mac_id,
1683 				 struct dp_srng *dp_rxdma_srng,
1684 				 struct rx_desc_pool *rx_desc_pool,
1685 				 uint32_t num_req_buffers,
1686 				 union dp_rx_desc_list_elem_t **desc_list,
1687 				 union dp_rx_desc_list_elem_t **tail,
1688 				 bool req_only,
1689 				 const char *func_name);
1690 
1691 /**
1692  * __dp_rx_buffers_no_map_replenish() - replenish rxdma ring with rx nbufs
1693  *					use direct APIs to get invalidate
1694  *					and get the physical address of the
1695  *					nbuf instead of map api,called during
1696  *					dp rx initialization and at the end
1697  *					of dp_rx_process.
1698  *
1699  * @dp_soc: core txrx main context
1700  * @mac_id: mac_id which is one of 3 mac_ids
1701  * @dp_rxdma_srng: dp rxdma circular ring
1702  * @rx_desc_pool: Pointer to free Rx descriptor pool
1703  * @num_req_buffers: number of buffer to be replenished
1704  * @desc_list: list of descs if called from dp_rx_process
1705  *	       or NULL during dp rx initialization or out of buffer
1706  *	       interrupt.
1707  * @tail: tail of descs list
1708  *
1709  * Return: return success or failure
1710  */
1711 QDF_STATUS
1712 __dp_rx_buffers_no_map_replenish(struct dp_soc *dp_soc, uint32_t mac_id,
1713 				 struct dp_srng *dp_rxdma_srng,
1714 				 struct rx_desc_pool *rx_desc_pool,
1715 				 uint32_t num_req_buffers,
1716 				 union dp_rx_desc_list_elem_t **desc_list,
1717 				 union dp_rx_desc_list_elem_t **tail);
1718 
1719 /**
1720  * __dp_rx_comp2refill_replenish() - replenish rxdma ring with rx nbufs
1721  *					use direct APIs to get invalidate
1722  *					and get the physical address of the
1723  *					nbuf instead of map api,called during
1724  *					dp rx initialization and at the end
1725  *					of dp_rx_process.
1726  *
1727  * @dp_soc: core txrx main context
1728  * @mac_id: mac_id which is one of 3 mac_ids
1729  * @dp_rxdma_srng: dp rxdma circular ring
1730  * @rx_desc_pool: Pointer to free Rx descriptor pool
1731  * @num_req_buffers: number of buffer to be replenished
1732  * @desc_list: list of descs if called from dp_rx_process
1733  *	       or NULL during dp rx initialization or out of buffer
1734  *	       interrupt.
1735  * @tail: tail of descs list
1736  * Return: return success or failure
1737  */
1738 QDF_STATUS
1739 __dp_rx_comp2refill_replenish(struct dp_soc *dp_soc, uint32_t mac_id,
1740 			      struct dp_srng *dp_rxdma_srng,
1741 			      struct rx_desc_pool *rx_desc_pool,
1742 			      uint32_t num_req_buffers,
1743 			      union dp_rx_desc_list_elem_t **desc_list,
1744 			      union dp_rx_desc_list_elem_t **tail);
1745 
1746 /**
1747  * __dp_rx_buffers_no_map_lt_replenish() - replenish rxdma ring with rx nbufs
1748  *					use direct APIs to get invalidate
1749  *					and get the physical address of the
1750  *					nbuf instead of map api,called when
1751  *					low threshold interrupt is triggered
1752  *
1753  * @dp_soc: core txrx main context
1754  * @mac_id: mac_id which is one of 3 mac_ids
1755  * @dp_rxdma_srng: dp rxdma circular ring
1756  * @rx_desc_pool: Pointer to free Rx descriptor pool
1757  *
1758  * Return: return success or failure
1759  */
1760 QDF_STATUS
1761 __dp_rx_buffers_no_map_lt_replenish(struct dp_soc *dp_soc, uint32_t mac_id,
1762 				    struct dp_srng *dp_rxdma_srng,
1763 				    struct rx_desc_pool *rx_desc_pool);
1764 
1765 /**
1766  * __dp_pdev_rx_buffers_no_map_attach() - replenish rxdma ring with rx nbufs
1767  *					use direct APIs to get invalidate
1768  *					and get the physical address of the
1769  *					nbuf instead of map api,called during
1770  *					dp rx initialization.
1771  *
1772  * @dp_soc: core txrx main context
1773  * @mac_id: mac_id which is one of 3 mac_ids
1774  * @dp_rxdma_srng: dp rxdma circular ring
1775  * @rx_desc_pool: Pointer to free Rx descriptor pool
1776  * @num_req_buffers: number of buffer to be replenished
1777  *
1778  * Return: return success or failure
1779  */
1780 QDF_STATUS __dp_pdev_rx_buffers_no_map_attach(struct dp_soc *dp_soc,
1781 					      uint32_t mac_id,
1782 					      struct dp_srng *dp_rxdma_srng,
1783 					      struct rx_desc_pool *rx_desc_pool,
1784 					      uint32_t num_req_buffers);
1785 
1786 /**
1787  * dp_pdev_rx_buffers_attach() - replenish rxdma ring with rx nbufs
1788  *                               called during dp rx initialization
1789  *
1790  * @dp_soc: core txrx main context
1791  * @mac_id: mac_id which is one of 3 mac_ids
1792  * @dp_rxdma_srng: dp rxdma circular ring
1793  * @rx_desc_pool: Pointer to free Rx descriptor pool
1794  * @num_req_buffers: number of buffer to be replenished
1795  *
1796  * Return: return success or failure
1797  */
1798 QDF_STATUS
1799 dp_pdev_rx_buffers_attach(struct dp_soc *dp_soc, uint32_t mac_id,
1800 			  struct dp_srng *dp_rxdma_srng,
1801 			  struct rx_desc_pool *rx_desc_pool,
1802 			  uint32_t num_req_buffers);
1803 
1804 /**
1805  * dp_rx_fill_mesh_stats() - Fills the mesh per packet receive stats
1806  * @vdev: DP Virtual device handle
1807  * @nbuf: Buffer pointer
1808  * @rx_tlv_hdr: start of rx tlv header
1809  * @txrx_peer: pointer to peer
1810  *
1811  * This function allocated memory for mesh receive stats and fill the
1812  * required stats. Stores the memory address in skb cb.
1813  *
1814  * Return: void
1815  */
1816 void dp_rx_fill_mesh_stats(struct dp_vdev *vdev, qdf_nbuf_t nbuf,
1817 			   uint8_t *rx_tlv_hdr,
1818 			   struct dp_txrx_peer *txrx_peer);
1819 
1820 /**
1821  * dp_rx_filter_mesh_packets() - Filters mesh unwanted packets
1822  * @vdev: DP Virtual device handle
1823  * @nbuf: Buffer pointer
1824  * @rx_tlv_hdr: start of rx tlv header
1825  *
1826  * This checks if the received packet is matching any filter out
1827  * catogery and and drop the packet if it matches.
1828  *
1829  * Return: QDF_STATUS_SUCCESS indicates drop,
1830  *         QDF_STATUS_E_FAILURE indicate to not drop
1831  */
1832 QDF_STATUS dp_rx_filter_mesh_packets(struct dp_vdev *vdev, qdf_nbuf_t nbuf,
1833 					uint8_t *rx_tlv_hdr);
1834 
1835 int dp_wds_rx_policy_check(uint8_t *rx_tlv_hdr, struct dp_vdev *vdev,
1836 			   struct dp_txrx_peer *peer);
1837 
1838 /**
1839  * dp_rx_compute_delay() - Compute and fill in all timestamps
1840  *				to pass in correct fields
1841  * @vdev: pdev handle
1842  * @nbuf: network buffer
1843  *
1844  * Return: none
1845  */
1846 void dp_rx_compute_delay(struct dp_vdev *vdev, qdf_nbuf_t nbuf);
1847 
1848 #ifdef QCA_PEER_EXT_STATS
1849 
1850 /**
1851  * dp_rx_compute_tid_delay - Compute per TID delay stats
1852  * @stats: TID delay stats to update
1853  * @nbuf: NBuffer
1854  *
1855  * Return: Void
1856  */
1857 void dp_rx_compute_tid_delay(struct cdp_delay_tid_stats *stats,
1858 			     qdf_nbuf_t nbuf);
1859 #endif /* QCA_PEER_EXT_STATS */
1860 
1861 #ifdef WLAN_SUPPORT_PPEDS
1862 static inline
1863 void dp_rx_set_reuse_nbuf(struct dp_rx_desc *rx_desc, qdf_nbuf_t nbuf)
1864 {
1865 	rx_desc->reuse_nbuf = nbuf;
1866 	rx_desc->has_reuse_nbuf = true;
1867 }
1868 
1869 /**
1870  * __dp_rx_add_to_free_desc_list_reuse() - Adds to a local free descriptor list
1871  *					   this list will reused
1872  *
1873  * @head: pointer to the head of local free list
1874  * @tail: pointer to the tail of local free list
1875  * @new: new descriptor that is added to the free list
1876  * @func_name: caller func name
1877  *
1878  * Return: void:
1879  */
1880 static inline
1881 void __dp_rx_add_to_free_desc_list_reuse(union dp_rx_desc_list_elem_t **head,
1882 					 union dp_rx_desc_list_elem_t **tail,
1883 					 struct dp_rx_desc *new,
1884 					 const char *func_name)
1885 {
1886 	qdf_assert(head && new);
1887 
1888 	dp_rx_desc_update_dbg_info(new, func_name, RX_DESC_IN_FREELIST);
1889 
1890 	new->nbuf = NULL;
1891 
1892 	((union dp_rx_desc_list_elem_t *)new)->next = *head;
1893 	*head = (union dp_rx_desc_list_elem_t *)new;
1894 	/* reset tail if head->next is NULL */
1895 	if (!*tail || !(*head)->next)
1896 		*tail = *head;
1897 }
1898 #else
1899 static inline
1900 void dp_rx_set_reuse_nbuf(struct dp_rx_desc *rx_desc, qdf_nbuf_t nbuf)
1901 {
1902 }
1903 
1904 static inline
1905 void __dp_rx_add_to_free_desc_list_reuse(union dp_rx_desc_list_elem_t **head,
1906 					 union dp_rx_desc_list_elem_t **tail,
1907 					 struct dp_rx_desc *new,
1908 					 const char *func_name)
1909 {
1910 }
1911 #endif
1912 
1913 #ifdef RX_DESC_DEBUG_CHECK
1914 /**
1915  * dp_rx_desc_check_magic() - check the magic value in dp_rx_desc
1916  * @rx_desc: rx descriptor pointer
1917  *
1918  * Return: true, if magic is correct, else false.
1919  */
1920 static inline bool dp_rx_desc_check_magic(struct dp_rx_desc *rx_desc)
1921 {
1922 	if (qdf_unlikely(rx_desc->magic != DP_RX_DESC_MAGIC))
1923 		return false;
1924 
1925 	rx_desc->magic = 0;
1926 	return true;
1927 }
1928 
1929 /**
1930  * dp_rx_desc_prep() - prepare rx desc
1931  * @rx_desc: rx descriptor pointer to be prepared
1932  * @nbuf_frag_info_t: struct dp_rx_nbuf_frag_info *
1933  *
1934  * Note: assumption is that we are associating a nbuf which is mapped
1935  *
1936  * Return: none
1937  */
1938 static inline
1939 void dp_rx_desc_prep(struct dp_rx_desc *rx_desc,
1940 		     struct dp_rx_nbuf_frag_info *nbuf_frag_info_t)
1941 {
1942 	rx_desc->magic = DP_RX_DESC_MAGIC;
1943 	rx_desc->nbuf = (nbuf_frag_info_t->virt_addr).nbuf;
1944 	rx_desc->unmapped = 0;
1945 	rx_desc->nbuf_data_addr = (uint8_t *)qdf_nbuf_data(rx_desc->nbuf);
1946 	dp_rx_set_reuse_nbuf(rx_desc, rx_desc->nbuf);
1947 	rx_desc->paddr_buf_start = nbuf_frag_info_t->paddr;
1948 }
1949 
1950 /**
1951  * dp_rx_desc_frag_prep() - prepare rx desc
1952  * @rx_desc: rx descriptor pointer to be prepared
1953  * @nbuf_frag_info_t: struct dp_rx_nbuf_frag_info *
1954  *
1955  * Note: assumption is that we frag address is mapped
1956  *
1957  * Return: none
1958  */
1959 #ifdef DP_RX_MON_MEM_FRAG
1960 static inline
1961 void dp_rx_desc_frag_prep(struct dp_rx_desc *rx_desc,
1962 			  struct dp_rx_nbuf_frag_info *nbuf_frag_info_t)
1963 {
1964 	rx_desc->magic = DP_RX_DESC_MAGIC;
1965 	rx_desc->rx_buf_start =
1966 		(uint8_t *)((nbuf_frag_info_t->virt_addr).vaddr);
1967 	rx_desc->paddr_buf_start = nbuf_frag_info_t->paddr;
1968 	rx_desc->unmapped = 0;
1969 }
1970 #else
1971 static inline
1972 void dp_rx_desc_frag_prep(struct dp_rx_desc *rx_desc,
1973 			  struct dp_rx_nbuf_frag_info *nbuf_frag_info_t)
1974 {
1975 }
1976 #endif /* DP_RX_MON_MEM_FRAG */
1977 
1978 /**
1979  * dp_rx_desc_paddr_sanity_check() - paddr sanity for ring desc vs rx_desc
1980  * @rx_desc: rx descriptor
1981  * @ring_paddr: paddr obatined from the ring
1982  *
1983  * Return: QDF_STATUS
1984  */
1985 static inline
1986 bool dp_rx_desc_paddr_sanity_check(struct dp_rx_desc *rx_desc,
1987 				   uint64_t ring_paddr)
1988 {
1989 	return (ring_paddr == qdf_nbuf_get_frag_paddr(rx_desc->nbuf, 0));
1990 }
1991 #else
1992 
1993 static inline bool dp_rx_desc_check_magic(struct dp_rx_desc *rx_desc)
1994 {
1995 	return true;
1996 }
1997 
1998 static inline
1999 void dp_rx_desc_prep(struct dp_rx_desc *rx_desc,
2000 		     struct dp_rx_nbuf_frag_info *nbuf_frag_info_t)
2001 {
2002 	rx_desc->nbuf = (nbuf_frag_info_t->virt_addr).nbuf;
2003 	dp_rx_set_reuse_nbuf(rx_desc, rx_desc->nbuf);
2004 	rx_desc->paddr_buf_start = nbuf_frag_info_t->paddr;
2005 	rx_desc->unmapped = 0;
2006 }
2007 
2008 #ifdef DP_RX_MON_MEM_FRAG
2009 static inline
2010 void dp_rx_desc_frag_prep(struct dp_rx_desc *rx_desc,
2011 			  struct dp_rx_nbuf_frag_info *nbuf_frag_info_t)
2012 {
2013 	rx_desc->rx_buf_start =
2014 		(uint8_t *)((nbuf_frag_info_t->virt_addr).vaddr);
2015 	rx_desc->paddr_buf_start = nbuf_frag_info_t->paddr;
2016 	rx_desc->unmapped = 0;
2017 }
2018 #else
2019 static inline
2020 void dp_rx_desc_frag_prep(struct dp_rx_desc *rx_desc,
2021 			  struct dp_rx_nbuf_frag_info *nbuf_frag_info_t)
2022 {
2023 }
2024 #endif /* DP_RX_MON_MEM_FRAG */
2025 
2026 static inline
2027 bool dp_rx_desc_paddr_sanity_check(struct dp_rx_desc *rx_desc,
2028 				   uint64_t ring_paddr)
2029 {
2030 	return true;
2031 }
2032 #endif /* RX_DESC_DEBUG_CHECK */
2033 
2034 /**
2035  * dp_rx_enable_mon_dest_frag() - Enable frag processing for
2036  *              monitor destination ring via frag.
2037  * @rx_desc_pool: Rx desc pool
2038  * @is_mon_dest_desc: Is it for monitor dest buffer
2039  *
2040  * Enable this flag only for monitor destination buffer processing
2041  * if DP_RX_MON_MEM_FRAG feature is enabled.
2042  * If flag is set then frag based function will be called for alloc,
2043  * map, prep desc and free ops for desc buffer else normal nbuf based
2044  * function will be called.
2045  *
2046  * Return: None
2047  */
2048 void dp_rx_enable_mon_dest_frag(struct rx_desc_pool *rx_desc_pool,
2049 				bool is_mon_dest_desc);
2050 
2051 #ifndef QCA_MULTIPASS_SUPPORT
2052 static inline
2053 bool dp_rx_multipass_process(struct dp_txrx_peer *peer, qdf_nbuf_t nbuf,
2054 			     uint8_t tid)
2055 {
2056 	return false;
2057 }
2058 #else
2059 /**
2060  * dp_rx_multipass_process - insert vlan tag on frames for traffic separation
2061  * @txrx_peer: DP txrx peer handle
2062  * @nbuf: skb
2063  * @tid: traffic priority
2064  *
2065  * Return: bool: true in case of success else false
2066  * Success is considered if:
2067  *  i. If frame has vlan header
2068  *  ii. If the frame comes from different peer and dont need multipass processing
2069  * Failure is considered if:
2070  *  i. Frame comes from multipass peer but doesn't contain vlan header.
2071  *  In failure case, drop such frames.
2072  */
2073 bool dp_rx_multipass_process(struct dp_txrx_peer *txrx_peer, qdf_nbuf_t nbuf,
2074 			     uint8_t tid);
2075 #endif
2076 
2077 #ifndef QCA_HOST_MODE_WIFI_DISABLED
2078 
2079 #ifndef WLAN_RX_PKT_CAPTURE_ENH
2080 static inline
2081 QDF_STATUS dp_peer_set_rx_capture_enabled(struct dp_pdev *pdev,
2082 					  struct dp_peer *peer_handle,
2083 					  bool value, uint8_t *mac_addr)
2084 {
2085 	return QDF_STATUS_SUCCESS;
2086 }
2087 #endif
2088 
2089 #endif /* QCA_HOST_MODE_WIFI_DISABLED */
2090 
2091 /**
2092  * dp_rx_deliver_to_stack() - deliver pkts to network stack
2093  * Caller to hold peer refcount and check for valid peer
2094  * @soc: soc
2095  * @vdev: vdev
2096  * @peer: txrx peer
2097  * @nbuf_head: skb list head
2098  * @nbuf_tail: skb list tail
2099  *
2100  * Return: QDF_STATUS
2101  */
2102 QDF_STATUS dp_rx_deliver_to_stack(struct dp_soc *soc,
2103 				  struct dp_vdev *vdev,
2104 				  struct dp_txrx_peer *peer,
2105 				  qdf_nbuf_t nbuf_head,
2106 				  qdf_nbuf_t nbuf_tail);
2107 
2108 #ifdef QCA_SUPPORT_EAPOL_OVER_CONTROL_PORT
2109 /**
2110  * dp_rx_eapol_deliver_to_stack() - deliver pkts to network stack
2111  * caller to hold peer refcount and check for valid peer
2112  * @soc: soc
2113  * @vdev: vdev
2114  * @peer: peer
2115  * @nbuf_head: skb list head
2116  * @nbuf_tail: skb list tail
2117  *
2118  * Return: QDF_STATUS
2119  */
2120 QDF_STATUS dp_rx_eapol_deliver_to_stack(struct dp_soc *soc,
2121 					struct dp_vdev *vdev,
2122 					struct dp_txrx_peer *peer,
2123 					qdf_nbuf_t nbuf_head,
2124 					qdf_nbuf_t nbuf_tail);
2125 #endif
2126 
2127 #ifndef QCA_HOST_MODE_WIFI_DISABLED
2128 
2129 #ifdef WLAN_FEATURE_RX_PREALLOC_BUFFER_POOL
2130 #define DP_RX_PROCESS_NBUF(soc, head, tail, ebuf_head, ebuf_tail, rx_desc) \
2131 	do {								   \
2132 		if (!soc->rx_buff_pool[rx_desc->pool_id].is_initialized) { \
2133 			DP_RX_LIST_APPEND(head, tail, rx_desc->nbuf);	   \
2134 			break;						   \
2135 		}							   \
2136 		DP_RX_LIST_APPEND(ebuf_head, ebuf_tail, rx_desc->nbuf);	   \
2137 		if (!qdf_nbuf_is_rx_chfrag_cont(rx_desc->nbuf)) {	   \
2138 			if (!dp_rx_buffer_pool_refill(soc, ebuf_head,	   \
2139 						      rx_desc->pool_id))   \
2140 				DP_RX_MERGE_TWO_LIST(head, tail,	   \
2141 						     ebuf_head, ebuf_tail);\
2142 			ebuf_head = NULL;				   \
2143 			ebuf_tail = NULL;				   \
2144 		}							   \
2145 	} while (0)
2146 #else
2147 #define DP_RX_PROCESS_NBUF(soc, head, tail, ebuf_head, ebuf_tail, rx_desc) \
2148 	DP_RX_LIST_APPEND(head, tail, rx_desc->nbuf)
2149 #endif /* WLAN_FEATURE_RX_PREALLOC_BUFFER_POOL */
2150 
2151 #endif /* QCA_HOST_MODE_WIFI_DISABLED */
2152 
2153 #ifdef WLAN_FEATURE_PKT_CAPTURE_V2
2154 /**
2155  * dp_rx_deliver_to_pkt_capture() - deliver rx packet to packet capture
2156  * @soc : dp_soc handle
2157  * @pdev: dp_pdev handle
2158  * @peer_id: peer_id of the peer for which completion came
2159  * @is_offload:
2160  * @netbuf: Buffer pointer
2161  *
2162  * This function is used to deliver rx packet to packet capture
2163  */
2164 void dp_rx_deliver_to_pkt_capture(struct dp_soc *soc,  struct dp_pdev *pdev,
2165 				  uint16_t peer_id, uint32_t is_offload,
2166 				  qdf_nbuf_t netbuf);
2167 void dp_rx_deliver_to_pkt_capture_no_peer(struct dp_soc *soc, qdf_nbuf_t nbuf,
2168 					  uint32_t is_offload);
2169 #else
2170 static inline void
2171 dp_rx_deliver_to_pkt_capture(struct dp_soc *soc,  struct dp_pdev *pdev,
2172 			     uint16_t peer_id, uint32_t is_offload,
2173 			     qdf_nbuf_t netbuf)
2174 {
2175 }
2176 
2177 static inline void
2178 dp_rx_deliver_to_pkt_capture_no_peer(struct dp_soc *soc, qdf_nbuf_t nbuf,
2179 				     uint32_t is_offload)
2180 {
2181 }
2182 #endif
2183 
2184 #ifndef QCA_HOST_MODE_WIFI_DISABLED
2185 #ifdef FEATURE_MEC
2186 /**
2187  * dp_rx_mcast_echo_check() - check if the mcast pkt is a loop
2188  *			      back on same vap or a different vap.
2189  * @soc: core DP main context
2190  * @peer: dp peer handler
2191  * @rx_tlv_hdr: start of the rx TLV header
2192  * @nbuf: pkt buffer
2193  *
2194  * Return: bool (true if it is a looped back pkt else false)
2195  *
2196  */
2197 bool dp_rx_mcast_echo_check(struct dp_soc *soc,
2198 			    struct dp_txrx_peer *peer,
2199 			    uint8_t *rx_tlv_hdr,
2200 			    qdf_nbuf_t nbuf);
2201 #else
2202 static inline bool dp_rx_mcast_echo_check(struct dp_soc *soc,
2203 					  struct dp_txrx_peer *peer,
2204 					  uint8_t *rx_tlv_hdr,
2205 					  qdf_nbuf_t nbuf)
2206 {
2207 	return false;
2208 }
2209 #endif /* FEATURE_MEC */
2210 #endif /* QCA_HOST_MODE_WIFI_DISABLED */
2211 
2212 #ifdef RECEIVE_OFFLOAD
2213 /**
2214  * dp_rx_fill_gro_info() - Fill GRO info from RX TLV into skb->cb
2215  * @soc: DP SOC handle
2216  * @rx_tlv: RX TLV received for the msdu
2217  * @msdu: msdu for which GRO info needs to be filled
2218  * @rx_ol_pkt_cnt: counter to be incremented for GRO eligible packets
2219  *
2220  * Return: None
2221  */
2222 void dp_rx_fill_gro_info(struct dp_soc *soc, uint8_t *rx_tlv,
2223 			 qdf_nbuf_t msdu, uint32_t *rx_ol_pkt_cnt);
2224 #else
2225 static inline
2226 void dp_rx_fill_gro_info(struct dp_soc *soc, uint8_t *rx_tlv,
2227 			 qdf_nbuf_t msdu, uint32_t *rx_ol_pkt_cnt)
2228 {
2229 }
2230 #endif
2231 
2232 /**
2233  * dp_rx_msdu_stats_update() - update per msdu stats.
2234  * @soc: core txrx main context
2235  * @nbuf: pointer to the first msdu of an amsdu.
2236  * @rx_tlv_hdr: pointer to the start of RX TLV headers.
2237  * @txrx_peer: pointer to the txrx peer object.
2238  * @ring_id: reo dest ring number on which pkt is reaped.
2239  * @tid_stats: per tid rx stats.
2240  * @link_id: link Id on which packet is received
2241  *
2242  * update all the per msdu stats for that nbuf.
2243  *
2244  * Return: void
2245  */
2246 void dp_rx_msdu_stats_update(struct dp_soc *soc, qdf_nbuf_t nbuf,
2247 			     uint8_t *rx_tlv_hdr,
2248 			     struct dp_txrx_peer *txrx_peer,
2249 			     uint8_t ring_id,
2250 			     struct cdp_tid_rx_stats *tid_stats,
2251 			     uint8_t link_id);
2252 
2253 /**
2254  * dp_rx_deliver_to_stack_no_peer() - try deliver rx data even if
2255  *				      no corresbonding peer found
2256  * @soc: core txrx main context
2257  * @nbuf: pkt skb pointer
2258  *
2259  * This function will try to deliver some RX special frames to stack
2260  * even there is no peer matched found. for instance, LFR case, some
2261  * eapol data will be sent to host before peer_map done.
2262  *
2263  * Return: None
2264  */
2265 void dp_rx_deliver_to_stack_no_peer(struct dp_soc *soc, qdf_nbuf_t nbuf);
2266 
2267 #ifndef QCA_HOST_MODE_WIFI_DISABLED
2268 #ifdef DP_RX_DROP_RAW_FRM
2269 /**
2270  * dp_rx_is_raw_frame_dropped() - if raw frame nbuf, free and drop
2271  * @nbuf: pkt skb pointer
2272  *
2273  * Return: true - raw frame, dropped
2274  *	   false - not raw frame, do nothing
2275  */
2276 bool dp_rx_is_raw_frame_dropped(qdf_nbuf_t nbuf);
2277 #else
2278 static inline
2279 bool dp_rx_is_raw_frame_dropped(qdf_nbuf_t nbuf)
2280 {
2281 	return false;
2282 }
2283 #endif
2284 
2285 #ifdef WLAN_DP_FEATURE_SW_LATENCY_MGR
2286 /**
2287  * dp_rx_update_stats() - Update soc level rx packet count
2288  * @soc: DP soc handle
2289  * @nbuf: nbuf received
2290  *
2291  * Return: none
2292  */
2293 void dp_rx_update_stats(struct dp_soc *soc, qdf_nbuf_t nbuf);
2294 #else
2295 static inline
2296 void dp_rx_update_stats(struct dp_soc *soc, qdf_nbuf_t nbuf)
2297 {
2298 }
2299 #endif
2300 
2301 /**
2302  * dp_rx_cksum_offload() - set the nbuf checksum as defined by hardware.
2303  * @pdev: dp_pdev handle
2304  * @nbuf: pointer to the first msdu of an amsdu.
2305  * @rx_tlv_hdr: pointer to the start of RX TLV headers.
2306  *
2307  * The ipsumed field of the skb is set based on whether HW validated the
2308  * IP/TCP/UDP checksum.
2309  *
2310  * Return: void
2311  */
2312 #if defined(MAX_PDEV_CNT) && (MAX_PDEV_CNT == 1)
2313 static inline
2314 void dp_rx_cksum_offload(struct dp_pdev *pdev,
2315 			 qdf_nbuf_t nbuf,
2316 			 uint8_t *rx_tlv_hdr)
2317 {
2318 	qdf_nbuf_rx_cksum_t cksum = {0};
2319 	//TODO - Move this to ring desc api
2320 	//HAL_RX_MSDU_DESC_IP_CHKSUM_FAIL_GET
2321 	//HAL_RX_MSDU_DESC_TCP_UDP_CHKSUM_FAIL_GET
2322 	uint32_t ip_csum_err, tcp_udp_csum_er;
2323 
2324 	hal_rx_tlv_csum_err_get(pdev->soc->hal_soc, rx_tlv_hdr, &ip_csum_err,
2325 				&tcp_udp_csum_er);
2326 
2327 	if (qdf_nbuf_is_ipv4_pkt(nbuf)) {
2328 		if (qdf_likely(!ip_csum_err)) {
2329 			cksum.l4_result = QDF_NBUF_RX_CKSUM_TCP_UDP_UNNECESSARY;
2330 			if (qdf_nbuf_is_ipv4_udp_pkt(nbuf) ||
2331 			    qdf_nbuf_is_ipv4_tcp_pkt(nbuf)) {
2332 				if (qdf_likely(!tcp_udp_csum_er))
2333 					cksum.csum_level = 1;
2334 				else
2335 					DP_STATS_INCC(pdev,
2336 						      err.tcp_udp_csum_err, 1,
2337 						      tcp_udp_csum_er);
2338 			}
2339 		} else {
2340 			DP_STATS_INCC(pdev, err.ip_csum_err, 1, ip_csum_err);
2341 		}
2342 	} else if (qdf_nbuf_is_ipv6_udp_pkt(nbuf) ||
2343 		   qdf_nbuf_is_ipv6_tcp_pkt(nbuf)) {
2344 		if (qdf_likely(!tcp_udp_csum_er))
2345 			cksum.l4_result = QDF_NBUF_RX_CKSUM_TCP_UDP_UNNECESSARY;
2346 		else
2347 			DP_STATS_INCC(pdev, err.tcp_udp_csum_err, 1,
2348 				      tcp_udp_csum_er);
2349 	} else {
2350 		cksum.l4_result = QDF_NBUF_RX_CKSUM_NONE;
2351 	}
2352 
2353 	qdf_nbuf_set_rx_cksum(nbuf, &cksum);
2354 }
2355 #else
2356 static inline
2357 void dp_rx_cksum_offload(struct dp_pdev *pdev,
2358 			 qdf_nbuf_t nbuf,
2359 			 uint8_t *rx_tlv_hdr)
2360 {
2361 }
2362 #endif
2363 #endif /* QCA_HOST_MODE_WIFI_DISABLED */
2364 
2365 #ifdef WLAN_FEATURE_RX_SOFTIRQ_TIME_LIMIT
2366 static inline
2367 bool dp_rx_reap_loop_pkt_limit_hit(struct dp_soc *soc, int num_reaped,
2368 				   int max_reap_limit)
2369 {
2370 	bool limit_hit = false;
2371 
2372 	limit_hit =
2373 		(num_reaped >= max_reap_limit) ? true : false;
2374 
2375 	if (limit_hit)
2376 		DP_STATS_INC(soc, rx.reap_loop_pkt_limit_hit, 1)
2377 
2378 	return limit_hit;
2379 }
2380 
2381 static inline
2382 bool dp_rx_enable_eol_data_check(struct dp_soc *soc)
2383 {
2384 	return soc->wlan_cfg_ctx->rx_enable_eol_data_check;
2385 }
2386 
2387 static inline int dp_rx_get_loop_pkt_limit(struct dp_soc *soc)
2388 {
2389 	struct wlan_cfg_dp_soc_ctxt *cfg = soc->wlan_cfg_ctx;
2390 
2391 	return cfg->rx_reap_loop_pkt_limit;
2392 }
2393 #else
2394 static inline
2395 bool dp_rx_reap_loop_pkt_limit_hit(struct dp_soc *soc, int num_reaped,
2396 				   int max_reap_limit)
2397 {
2398 	return false;
2399 }
2400 
2401 static inline
2402 bool dp_rx_enable_eol_data_check(struct dp_soc *soc)
2403 {
2404 	return false;
2405 }
2406 
2407 static inline int dp_rx_get_loop_pkt_limit(struct dp_soc *soc)
2408 {
2409 	return 0;
2410 }
2411 #endif /* WLAN_FEATURE_RX_SOFTIRQ_TIME_LIMIT */
2412 
2413 void dp_rx_update_stats(struct dp_soc *soc, qdf_nbuf_t nbuf);
2414 
2415 static inline uint16_t
2416 dp_rx_peer_metadata_peer_id_get(struct dp_soc *soc, uint32_t peer_metadata)
2417 {
2418 	return soc->arch_ops.dp_rx_peer_metadata_peer_id_get(soc,
2419 							     peer_metadata);
2420 }
2421 
2422 #if defined(WLAN_FEATURE_11BE_MLO) && defined(DP_MLO_LINK_STATS_SUPPORT)
2423 /**
2424  * dp_rx_nbuf_set_link_id_from_tlv() - Set link id in nbuf cb
2425  * @soc: SOC handle
2426  * @tlv_hdr: rx tlv header
2427  * @nbuf: nbuf pointer
2428  *
2429  * Return: None
2430  */
2431 static inline void
2432 dp_rx_nbuf_set_link_id_from_tlv(struct dp_soc *soc, uint8_t *tlv_hdr,
2433 				qdf_nbuf_t nbuf)
2434 {
2435 	uint32_t peer_metadata = hal_rx_tlv_peer_meta_data_get(soc->hal_soc,
2436 								tlv_hdr);
2437 
2438 	if (soc->arch_ops.dp_rx_peer_set_link_id)
2439 		soc->arch_ops.dp_rx_peer_set_link_id(nbuf, peer_metadata);
2440 }
2441 
2442 /**
2443  * dp_rx_set_nbuf_band() - Set band info in nbuf cb
2444  * @nbuf: nbuf pointer
2445  * @txrx_peer: txrx_peer pointer
2446  * @link_id: Peer Link ID
2447  *
2448  * Returen: None
2449  */
2450 static inline void
2451 dp_rx_set_nbuf_band(qdf_nbuf_t nbuf, struct dp_txrx_peer *txrx_peer,
2452 		    uint8_t link_id)
2453 {
2454 	qdf_nbuf_rx_set_band(nbuf, txrx_peer->band[link_id]);
2455 }
2456 #else
2457 static inline void
2458 dp_rx_nbuf_set_link_id_from_tlv(struct dp_soc *soc, uint8_t *tlv_hdr,
2459 				qdf_nbuf_t nbuf)
2460 {
2461 }
2462 
2463 static inline void
2464 dp_rx_set_nbuf_band(qdf_nbuf_t nbuf, struct dp_txrx_peer *txrx_peer,
2465 		    uint8_t link_id)
2466 {
2467 }
2468 #endif
2469 
2470 /**
2471  * dp_rx_desc_pool_init_generic() - Generic Rx descriptors initialization
2472  * @soc: SOC handle
2473  * @rx_desc_pool: pointer to RX descriptor pool
2474  * @pool_id: pool ID
2475  *
2476  * Return: None
2477  */
2478 QDF_STATUS dp_rx_desc_pool_init_generic(struct dp_soc *soc,
2479 				  struct rx_desc_pool *rx_desc_pool,
2480 				  uint32_t pool_id);
2481 
2482 void dp_rx_desc_pool_deinit_generic(struct dp_soc *soc,
2483 				  struct rx_desc_pool *rx_desc_pool,
2484 				  uint32_t pool_id);
2485 
2486 /**
2487  * dp_rx_pkt_tracepoints_enabled() - Get the state of rx pkt tracepoint
2488  *
2489  * Return: True if any rx pkt tracepoint is enabled else false
2490  */
2491 static inline
2492 bool dp_rx_pkt_tracepoints_enabled(void)
2493 {
2494 	return (qdf_trace_dp_rx_tcp_pkt_enabled() ||
2495 		qdf_trace_dp_rx_udp_pkt_enabled() ||
2496 		qdf_trace_dp_rx_pkt_enabled());
2497 }
2498 
2499 #ifdef FEATURE_DIRECT_LINK
2500 /**
2501  * dp_audio_smmu_map()- Map memory region into Audio SMMU CB
2502  * @qdf_dev: pointer to QDF device structure
2503  * @paddr: physical address
2504  * @iova: DMA address
2505  * @size: memory region size
2506  *
2507  * Return: 0 on success else failure code
2508  */
2509 static inline
2510 int dp_audio_smmu_map(qdf_device_t qdf_dev, qdf_dma_addr_t paddr,
2511 		      qdf_dma_addr_t iova, qdf_size_t size)
2512 {
2513 	return pld_audio_smmu_map(qdf_dev->dev, paddr, iova, size);
2514 }
2515 
2516 /**
2517  * dp_audio_smmu_unmap()- Remove memory region mapping from Audio SMMU CB
2518  * @qdf_dev: pointer to QDF device structure
2519  * @iova: DMA address
2520  * @size: memory region size
2521  *
2522  * Return: None
2523  */
2524 static inline
2525 void dp_audio_smmu_unmap(qdf_device_t qdf_dev, qdf_dma_addr_t iova,
2526 			 qdf_size_t size)
2527 {
2528 	pld_audio_smmu_unmap(qdf_dev->dev, iova, size);
2529 }
2530 #else
2531 static inline
2532 int dp_audio_smmu_map(qdf_device_t qdf_dev, qdf_dma_addr_t paddr,
2533 		      qdf_dma_addr_t iova, qdf_size_t size)
2534 {
2535 	return 0;
2536 }
2537 
2538 static inline
2539 void dp_audio_smmu_unmap(qdf_device_t qdf_dev, qdf_dma_addr_t iova,
2540 			 qdf_size_t size)
2541 {
2542 }
2543 #endif
2544 
2545 #if defined(QCA_DP_RX_NBUF_NO_MAP_UNMAP) && !defined(BUILD_X86)
2546 static inline
2547 QDF_STATUS dp_pdev_rx_buffers_attach_simple(struct dp_soc *soc, uint32_t mac_id,
2548 					    struct dp_srng *rxdma_srng,
2549 					    struct rx_desc_pool *rx_desc_pool,
2550 					    uint32_t num_req_buffers)
2551 {
2552 	return __dp_pdev_rx_buffers_no_map_attach(soc, mac_id,
2553 						  rxdma_srng,
2554 						  rx_desc_pool,
2555 						  num_req_buffers);
2556 }
2557 
2558 static inline
2559 void dp_rx_buffers_replenish_simple(struct dp_soc *soc, uint32_t mac_id,
2560 				    struct dp_srng *rxdma_srng,
2561 				    struct rx_desc_pool *rx_desc_pool,
2562 				    uint32_t num_req_buffers,
2563 				    union dp_rx_desc_list_elem_t **desc_list,
2564 				    union dp_rx_desc_list_elem_t **tail)
2565 {
2566 	__dp_rx_buffers_no_map_replenish(soc, mac_id, rxdma_srng, rx_desc_pool,
2567 					 num_req_buffers, desc_list, tail);
2568 }
2569 
2570 static inline
2571 void dp_rx_comp2refill_replenish(struct dp_soc *soc, uint32_t mac_id,
2572 				 struct dp_srng *rxdma_srng,
2573 				 struct rx_desc_pool *rx_desc_pool,
2574 				 uint32_t num_req_buffers,
2575 				 union dp_rx_desc_list_elem_t **desc_list,
2576 				 union dp_rx_desc_list_elem_t **tail)
2577 {
2578 	__dp_rx_comp2refill_replenish(soc, mac_id, rxdma_srng, rx_desc_pool,
2579 				      num_req_buffers, desc_list, tail);
2580 }
2581 
2582 static inline
2583 void dp_rx_buffers_lt_replenish_simple(struct dp_soc *soc, uint32_t mac_id,
2584 				       struct dp_srng *rxdma_srng,
2585 				       struct rx_desc_pool *rx_desc_pool,
2586 				       uint32_t num_req_buffers,
2587 				       union dp_rx_desc_list_elem_t **desc_list,
2588 				       union dp_rx_desc_list_elem_t **tail)
2589 {
2590 	__dp_rx_buffers_no_map_lt_replenish(soc, mac_id, rxdma_srng,
2591 					    rx_desc_pool);
2592 }
2593 
2594 #ifndef QCA_DP_NBUF_FAST_RECYCLE_CHECK
2595 static inline
2596 qdf_dma_addr_t dp_rx_nbuf_sync_no_dsb(struct dp_soc *dp_soc,
2597 				      qdf_nbuf_t nbuf,
2598 				      uint32_t buf_size)
2599 {
2600 	qdf_nbuf_dma_inv_range_no_dsb((void *)nbuf->data,
2601 				      (void *)(nbuf->data + buf_size));
2602 
2603 	return (qdf_dma_addr_t)qdf_mem_virt_to_phys(nbuf->data);
2604 }
2605 #else
2606 #define L3_HEADER_PAD 2
2607 static inline
2608 qdf_dma_addr_t dp_rx_nbuf_sync_no_dsb(struct dp_soc *dp_soc,
2609 				      qdf_nbuf_t nbuf,
2610 				      uint32_t buf_size)
2611 {
2612 	if (nbuf->recycled_for_ds)
2613 		return (qdf_dma_addr_t)qdf_mem_virt_to_phys(nbuf->data);
2614 
2615 	if (unlikely(!nbuf->fast_recycled)) {
2616 		qdf_nbuf_dma_inv_range_no_dsb((void *)nbuf->data,
2617 					      (void *)(nbuf->data + buf_size));
2618 	}
2619 
2620 	DP_STATS_INC(dp_soc, rx.fast_recycled, 1);
2621 	nbuf->fast_recycled = 0;
2622 
2623 	return (qdf_dma_addr_t)qdf_mem_virt_to_phys(nbuf->data);
2624 }
2625 #endif
2626 
2627 static inline
2628 qdf_dma_addr_t dp_rx_nbuf_sync(struct dp_soc *dp_soc,
2629 			       qdf_nbuf_t nbuf,
2630 			       uint32_t buf_size)
2631 {
2632 	qdf_nbuf_dma_inv_range((void *)nbuf->data,
2633 			       (void *)(nbuf->data + buf_size));
2634 
2635 	return (qdf_dma_addr_t)qdf_mem_virt_to_phys(nbuf->data);
2636 }
2637 
2638 #if !defined(SPECULATIVE_READ_DISABLED)
2639 static inline
2640 void dp_rx_nbuf_unmap(struct dp_soc *soc,
2641 		      struct dp_rx_desc *rx_desc,
2642 		      uint8_t reo_ring_num)
2643 {
2644 	struct rx_desc_pool *rx_desc_pool;
2645 	qdf_nbuf_t nbuf;
2646 
2647 	rx_desc_pool = &soc->rx_desc_buf[rx_desc->pool_id];
2648 	nbuf = rx_desc->nbuf;
2649 
2650 	qdf_nbuf_dma_inv_range_no_dsb((void *)nbuf->data,
2651 			       (void *)(nbuf->data + rx_desc_pool->buf_size));
2652 }
2653 
2654 static inline
2655 void dp_rx_nbuf_unmap_pool(struct dp_soc *soc,
2656 			   struct rx_desc_pool *rx_desc_pool,
2657 			   qdf_nbuf_t nbuf)
2658 {
2659 	qdf_nbuf_dma_inv_range((void *)nbuf->data,
2660 			       (void *)(nbuf->data + rx_desc_pool->buf_size));
2661 }
2662 
2663 #else
2664 static inline
2665 void dp_rx_nbuf_unmap(struct dp_soc *soc,
2666 		      struct dp_rx_desc *rx_desc,
2667 		      uint8_t reo_ring_num)
2668 {
2669 }
2670 
2671 static inline
2672 void dp_rx_nbuf_unmap_pool(struct dp_soc *soc,
2673 			   struct rx_desc_pool *rx_desc_pool,
2674 			   qdf_nbuf_t nbuf)
2675 {
2676 }
2677 #endif
2678 
2679 static inline
2680 void dp_rx_per_core_stats_update(struct dp_soc *soc, uint8_t ring_id,
2681 				 uint32_t bufs_reaped)
2682 {
2683 }
2684 
2685 static inline
2686 qdf_nbuf_t dp_rx_nbuf_alloc(struct dp_soc *soc,
2687 			    struct rx_desc_pool *rx_desc_pool)
2688 {
2689 	return qdf_nbuf_alloc_simple(soc->osdev, rx_desc_pool->buf_size,
2690 				     RX_BUFFER_RESERVATION,
2691 				     rx_desc_pool->buf_alignment, FALSE);
2692 }
2693 
2694 static inline
2695 void  dp_rx_nbuf_free(qdf_nbuf_t nbuf)
2696 {
2697 	qdf_nbuf_free_simple(nbuf);
2698 }
2699 #else
2700 static inline
2701 QDF_STATUS dp_pdev_rx_buffers_attach_simple(struct dp_soc *soc, uint32_t mac_id,
2702 					    struct dp_srng *rxdma_srng,
2703 					    struct rx_desc_pool *rx_desc_pool,
2704 					    uint32_t num_req_buffers)
2705 {
2706 	return dp_pdev_rx_buffers_attach(soc, mac_id,
2707 					 rxdma_srng,
2708 					 rx_desc_pool,
2709 					 num_req_buffers);
2710 }
2711 
2712 static inline
2713 void dp_rx_buffers_replenish_simple(struct dp_soc *soc, uint32_t mac_id,
2714 				    struct dp_srng *rxdma_srng,
2715 				    struct rx_desc_pool *rx_desc_pool,
2716 				    uint32_t num_req_buffers,
2717 				    union dp_rx_desc_list_elem_t **desc_list,
2718 				    union dp_rx_desc_list_elem_t **tail)
2719 {
2720 	dp_rx_buffers_replenish(soc, mac_id, rxdma_srng, rx_desc_pool,
2721 				num_req_buffers, desc_list, tail, false);
2722 }
2723 
2724 static inline
2725 void dp_rx_buffers_lt_replenish_simple(struct dp_soc *soc, uint32_t mac_id,
2726 				       struct dp_srng *rxdma_srng,
2727 				       struct rx_desc_pool *rx_desc_pool,
2728 				       uint32_t num_req_buffers,
2729 				       union dp_rx_desc_list_elem_t **desc_list,
2730 				       union dp_rx_desc_list_elem_t **tail)
2731 {
2732 	dp_rx_buffers_replenish(soc, mac_id, rxdma_srng, rx_desc_pool,
2733 				num_req_buffers, desc_list, tail, false);
2734 }
2735 
2736 static inline
2737 qdf_dma_addr_t dp_rx_nbuf_sync_no_dsb(struct dp_soc *dp_soc,
2738 				      qdf_nbuf_t nbuf,
2739 				      uint32_t buf_size)
2740 {
2741 	return (qdf_dma_addr_t)NULL;
2742 }
2743 
2744 static inline
2745 qdf_dma_addr_t dp_rx_nbuf_sync(struct dp_soc *dp_soc,
2746 			       qdf_nbuf_t nbuf,
2747 			       uint32_t buf_size)
2748 {
2749 	return (qdf_dma_addr_t)NULL;
2750 }
2751 
2752 static inline
2753 void dp_rx_nbuf_unmap(struct dp_soc *soc,
2754 		      struct dp_rx_desc *rx_desc,
2755 		      uint8_t reo_ring_num)
2756 {
2757 	struct rx_desc_pool *rx_desc_pool;
2758 
2759 	rx_desc_pool = &soc->rx_desc_buf[rx_desc->pool_id];
2760 	dp_ipa_reo_ctx_buf_mapping_lock(soc, reo_ring_num);
2761 
2762 	dp_audio_smmu_unmap(soc->osdev,
2763 			    QDF_NBUF_CB_PADDR(rx_desc->nbuf),
2764 			    rx_desc_pool->buf_size);
2765 
2766 	if (qdf_atomic_read(&soc->ipa_mapped))
2767 		dp_ipa_handle_rx_buf_smmu_mapping(soc, rx_desc->nbuf,
2768 						  rx_desc_pool->buf_size,
2769 						  false, __func__, __LINE__);
2770 
2771 	qdf_nbuf_unmap_nbytes_single(soc->osdev, rx_desc->nbuf,
2772 				     QDF_DMA_FROM_DEVICE,
2773 				     rx_desc_pool->buf_size);
2774 
2775 	dp_ipa_reo_ctx_buf_mapping_unlock(soc, reo_ring_num);
2776 }
2777 
2778 static inline
2779 void dp_rx_nbuf_unmap_pool(struct dp_soc *soc,
2780 			   struct rx_desc_pool *rx_desc_pool,
2781 			   qdf_nbuf_t nbuf)
2782 {
2783 	dp_audio_smmu_unmap(soc->osdev, QDF_NBUF_CB_PADDR(nbuf),
2784 			    rx_desc_pool->buf_size);
2785 	if (qdf_atomic_read(&soc->ipa_mapped))
2786 		dp_ipa_handle_rx_buf_smmu_mapping(soc, nbuf,
2787 						  rx_desc_pool->buf_size,
2788 						  false, __func__, __LINE__);
2789 	qdf_nbuf_unmap_nbytes_single(soc->osdev, nbuf, QDF_DMA_FROM_DEVICE,
2790 				     rx_desc_pool->buf_size);
2791 }
2792 
2793 static inline
2794 void dp_rx_per_core_stats_update(struct dp_soc *soc, uint8_t ring_id,
2795 				 uint32_t bufs_reaped)
2796 {
2797 	int cpu_id = qdf_get_cpu();
2798 
2799 	DP_STATS_INC(soc, rx.ring_packets[cpu_id][ring_id], bufs_reaped);
2800 }
2801 
2802 static inline
2803 qdf_nbuf_t dp_rx_nbuf_alloc(struct dp_soc *soc,
2804 			    struct rx_desc_pool *rx_desc_pool)
2805 {
2806 	return qdf_nbuf_alloc(soc->osdev, rx_desc_pool->buf_size,
2807 			      RX_BUFFER_RESERVATION,
2808 			      rx_desc_pool->buf_alignment, FALSE);
2809 }
2810 
2811 static inline
2812 void dp_rx_nbuf_free(qdf_nbuf_t nbuf)
2813 {
2814 	qdf_nbuf_free(nbuf);
2815 }
2816 #endif
2817 
2818 #ifdef DP_UMAC_HW_RESET_SUPPORT
2819 /**
2820  * dp_rx_desc_reuse() - Reuse the rx descriptors to fill the rx buf ring
2821  * @soc: core txrx main context
2822  * @nbuf_list: nbuf list for delayed free
2823  *
2824  * Return: void
2825  */
2826 void dp_rx_desc_reuse(struct dp_soc *soc, qdf_nbuf_t *nbuf_list);
2827 
2828 /**
2829  * dp_rx_desc_delayed_free() - Delayed free of the rx descs
2830  *
2831  * @soc: core txrx main context
2832  *
2833  * Return: void
2834  */
2835 void dp_rx_desc_delayed_free(struct dp_soc *soc);
2836 #endif
2837 
2838 /**
2839  * dp_rx_get_txrx_peer_and_vdev() - Get txrx peer and vdev from peer id
2840  * @soc: core txrx main context
2841  * @nbuf : pointer to the first msdu of an amsdu.
2842  * @peer_id : Peer id of the peer
2843  * @txrx_ref_handle : Buffer to save the handle for txrx peer's reference
2844  * @pkt_capture_offload : Flag indicating if pkt capture offload is needed
2845  * @vdev : Buffer to hold pointer to vdev
2846  * @rx_pdev : Buffer to hold pointer to rx pdev
2847  * @dsf : delay stats flag
2848  * @old_tid : Old tid
2849  *
2850  * Get txrx peer and vdev from peer id
2851  *
2852  * Return: Pointer to txrx peer
2853  */
2854 static inline struct dp_txrx_peer *
2855 dp_rx_get_txrx_peer_and_vdev(struct dp_soc *soc,
2856 			     qdf_nbuf_t nbuf,
2857 			     uint16_t peer_id,
2858 			     dp_txrx_ref_handle *txrx_ref_handle,
2859 			     bool pkt_capture_offload,
2860 			     struct dp_vdev **vdev,
2861 			     struct dp_pdev **rx_pdev,
2862 			     uint32_t *dsf,
2863 			     uint32_t *old_tid)
2864 {
2865 	struct dp_txrx_peer *txrx_peer = NULL;
2866 
2867 	txrx_peer = dp_txrx_peer_get_ref_by_id(soc, peer_id, txrx_ref_handle,
2868 					       DP_MOD_ID_RX);
2869 
2870 	if (qdf_likely(txrx_peer)) {
2871 		*vdev = txrx_peer->vdev;
2872 	} else {
2873 		nbuf->next = NULL;
2874 		dp_rx_deliver_to_pkt_capture_no_peer(soc, nbuf,
2875 						     pkt_capture_offload);
2876 		if (!pkt_capture_offload)
2877 			dp_rx_deliver_to_stack_no_peer(soc, nbuf);
2878 
2879 		goto end;
2880 	}
2881 
2882 	if (qdf_unlikely(!(*vdev))) {
2883 		qdf_nbuf_free(nbuf);
2884 		DP_STATS_INC(soc, rx.err.invalid_vdev, 1);
2885 		goto end;
2886 	}
2887 
2888 	*rx_pdev = (*vdev)->pdev;
2889 	*dsf = (*rx_pdev)->delay_stats_flag;
2890 	*old_tid = 0xff;
2891 
2892 end:
2893 	return txrx_peer;
2894 }
2895 
2896 static inline QDF_STATUS
2897 dp_peer_rx_reorder_queue_setup(struct dp_soc *soc, struct dp_peer *peer,
2898 			       int tid, uint32_t ba_window_size)
2899 {
2900 	return soc->arch_ops.dp_peer_rx_reorder_queue_setup(soc,
2901 							    peer, tid,
2902 							    ba_window_size);
2903 }
2904 
2905 static inline
2906 void dp_rx_nbuf_list_deliver(struct dp_soc *soc,
2907 			     struct dp_vdev *vdev,
2908 			     struct dp_txrx_peer *txrx_peer,
2909 			     uint16_t peer_id,
2910 			     uint8_t pkt_capture_offload,
2911 			     qdf_nbuf_t deliver_list_head,
2912 			     qdf_nbuf_t deliver_list_tail)
2913 {
2914 	qdf_nbuf_t nbuf, next;
2915 
2916 	if (qdf_likely(deliver_list_head)) {
2917 		if (qdf_likely(txrx_peer)) {
2918 			dp_rx_deliver_to_pkt_capture(soc, vdev->pdev, peer_id,
2919 						     pkt_capture_offload,
2920 						     deliver_list_head);
2921 			if (!pkt_capture_offload)
2922 				dp_rx_deliver_to_stack(soc, vdev, txrx_peer,
2923 						       deliver_list_head,
2924 						       deliver_list_tail);
2925 		} else {
2926 			nbuf = deliver_list_head;
2927 			while (nbuf) {
2928 				next = nbuf->next;
2929 				nbuf->next = NULL;
2930 				dp_rx_deliver_to_stack_no_peer(soc, nbuf);
2931 				nbuf = next;
2932 			}
2933 		}
2934 	}
2935 }
2936 
2937 #ifdef DP_TX_RX_TPUT_SIMULATE
2938 /*
2939  * Change this macro value to simulate different RX T-put,
2940  * if OTA is 100 Mbps, to simulate 200 Mbps, then multiplication factor
2941  * is 2, set macro value as 1 (multiplication factor - 1).
2942  */
2943 #define DP_RX_PKTS_DUPLICATE_CNT 0
2944 static inline
2945 void dp_rx_nbuf_list_dup_deliver(struct dp_soc *soc,
2946 				 struct dp_vdev *vdev,
2947 				 struct dp_txrx_peer *txrx_peer,
2948 				 uint16_t peer_id,
2949 				 uint8_t pkt_capture_offload,
2950 				 qdf_nbuf_t ori_list_head,
2951 				 qdf_nbuf_t ori_list_tail)
2952 {
2953 	qdf_nbuf_t new_skb = NULL;
2954 	qdf_nbuf_t new_list_head = NULL;
2955 	qdf_nbuf_t new_list_tail = NULL;
2956 	qdf_nbuf_t nbuf = NULL;
2957 	int i;
2958 
2959 	for (i = 0; i < DP_RX_PKTS_DUPLICATE_CNT; i++) {
2960 		nbuf = ori_list_head;
2961 		new_list_head = NULL;
2962 		new_list_tail = NULL;
2963 
2964 		while (nbuf) {
2965 			new_skb = qdf_nbuf_copy(nbuf);
2966 			if (qdf_likely(new_skb))
2967 				DP_RX_LIST_APPEND(new_list_head,
2968 						  new_list_tail,
2969 						  new_skb);
2970 			else
2971 				dp_err("copy skb failed");
2972 
2973 			nbuf = qdf_nbuf_next(nbuf);
2974 		}
2975 
2976 		/* deliver the copied nbuf list */
2977 		dp_rx_nbuf_list_deliver(soc, vdev, txrx_peer, peer_id,
2978 					pkt_capture_offload,
2979 					new_list_head,
2980 					new_list_tail);
2981 	}
2982 
2983 	/* deliver the original skb_list */
2984 	dp_rx_nbuf_list_deliver(soc, vdev, txrx_peer, peer_id,
2985 				pkt_capture_offload,
2986 				ori_list_head,
2987 				ori_list_tail);
2988 }
2989 
2990 #define DP_RX_DELIVER_TO_STACK dp_rx_nbuf_list_dup_deliver
2991 
2992 #else /* !DP_TX_RX_TPUT_SIMULATE */
2993 
2994 #define DP_RX_DELIVER_TO_STACK dp_rx_nbuf_list_deliver
2995 
2996 #endif /* DP_TX_RX_TPUT_SIMULATE */
2997 
2998 /**
2999  * dp_rx_wbm_desc_nbuf_sanity_check() - Add sanity check to for WBM rx_desc
3000  *                                      paddr corruption
3001  * @soc: core txrx main context
3002  * @hal_ring_hdl: opaque pointer to the HAL Rx Error Ring
3003  * @ring_desc: REO ring descriptor
3004  * @rx_desc: Rx descriptor
3005  *
3006  * Return: NONE
3007  */
3008 QDF_STATUS dp_rx_wbm_desc_nbuf_sanity_check(struct dp_soc *soc,
3009 					    hal_ring_handle_t hal_ring_hdl,
3010 					    hal_ring_desc_t ring_desc,
3011 					    struct dp_rx_desc *rx_desc);
3012 /**
3013  * dp_rx_is_sg_formation_required() - Check if sg formation is required
3014  * @info: WBM desc info
3015  *
3016  * Return: True if sg is required else false
3017  */
3018 bool dp_rx_is_sg_formation_required(struct hal_wbm_err_desc_info *info);
3019 
3020 /**
3021  * dp_rx_err_tlv_invalidate() - Invalidate network buffer
3022  * @soc: core txrx main context
3023  * @nbuf: Network buffer to invalidate
3024  *
3025  * Return: NONE
3026  */
3027 void dp_rx_err_tlv_invalidate(struct dp_soc *soc,
3028 			      qdf_nbuf_t nbuf);
3029 
3030 /**
3031  * dp_rx_wbm_sg_list_last_msdu_war() - war for HW issue
3032  * @soc: DP SOC handle
3033  *
3034  * This is a war for HW issue where length is only valid in last msdu
3035  *
3036  * Return: NONE
3037  */
3038 void dp_rx_wbm_sg_list_last_msdu_war(struct dp_soc *soc);
3039 
3040 /**
3041  * dp_rx_check_pkt_len() - Check for pktlen validity
3042  * @soc: DP SOC context
3043  * @pkt_len: computed length of the pkt from caller in bytes
3044  *
3045  * Return: true if pktlen > RX_BUFFER_SIZE, else return false
3046  *
3047  */
3048 bool dp_rx_check_pkt_len(struct dp_soc *soc, uint32_t pkt_len);
3049 
3050 /**
3051  * dp_rx_null_q_handle_invalid_peer_id_exception() - to find exception
3052  * @soc: pointer to dp_soc struct
3053  * @pool_id: Pool id to find dp_pdev
3054  * @rx_tlv_hdr: TLV header of received packet
3055  * @nbuf: SKB
3056  *
3057  * In certain types of packets if peer_id is not correct then
3058  * driver may not be able find. Try finding peer by addr_2 of
3059  * received MPDU. If you find the peer then most likely sw_peer_id &
3060  * ast_idx is corrupted.
3061  *
3062  * Return: True if you find the peer by addr_2 of received MPDU else false
3063  */
3064 bool dp_rx_null_q_handle_invalid_peer_id_exception(struct dp_soc *soc,
3065 						   uint8_t pool_id,
3066 						   uint8_t *rx_tlv_hdr,
3067 						   qdf_nbuf_t nbuf);
3068 
3069 /**
3070  * dp_rx_err_drop_3addr_mcast() - Check if feature drop_3ddr_mcast is enabled
3071  *                                If so, drop the multicast frame.
3072  * @vdev: datapath vdev
3073  * @rx_tlv_hdr: TLV header
3074  *
3075  * Return: true if packet is to be dropped,
3076  *         false, if packet is not dropped.
3077  */
3078 bool dp_rx_err_drop_3addr_mcast(struct dp_vdev *vdev, uint8_t *rx_tlv_hdr);
3079 
3080 /**
3081  * dp_rx_deliver_to_osif_stack() - function to deliver rx pkts to stack
3082  * @soc: DP soc
3083  * @vdev: DP vdev handle
3084  * @txrx_peer: pointer to the txrx_peer object
3085  * @nbuf: skb list head
3086  * @tail: skb list tail
3087  * @is_eapol: eapol pkt check
3088  *
3089  * Return: None
3090  */
3091 void
3092 dp_rx_deliver_to_osif_stack(struct dp_soc *soc,
3093 			    struct dp_vdev *vdev,
3094 			    struct dp_txrx_peer *txrx_peer,
3095 			    qdf_nbuf_t nbuf,
3096 			    qdf_nbuf_t tail,
3097 			    bool is_eapol);
3098 
3099 /**
3100  * dp_rx_set_wbm_err_info_in_nbuf() - function to set wbm err info in nbuf
3101  * @soc: DP soc
3102  * @nbuf: skb list head
3103  * @wbm_err: wbm error info details
3104  *
3105  * Return: None
3106  */
3107 void
3108 dp_rx_set_wbm_err_info_in_nbuf(struct dp_soc *soc,
3109 			       qdf_nbuf_t nbuf,
3110 			       union hal_wbm_err_info_u wbm_err);
3111 
3112 #if defined(WLAN_MAX_PDEVS) && (WLAN_MAX_PDEVS == 1)
3113 static inline uint8_t
3114 dp_rx_get_defrag_bm_id(struct dp_soc *soc)
3115 {
3116 	return DP_DEFRAG_RBM(soc->wbm_sw0_bm_id);
3117 }
3118 
3119 static inline uint8_t
3120 dp_rx_get_rx_bm_id(struct dp_soc *soc)
3121 {
3122 	return DP_WBM2SW_RBM(soc->wbm_sw0_bm_id);
3123 }
3124 #else
3125 static inline uint8_t
3126 dp_rx_get_rx_bm_id(struct dp_soc *soc)
3127 {
3128 	struct wlan_cfg_dp_soc_ctxt *cfg_ctx = soc->wlan_cfg_ctx;
3129 	uint8_t wbm2_sw_rx_rel_ring_id;
3130 
3131 	wbm2_sw_rx_rel_ring_id = wlan_cfg_get_rx_rel_ring_id(cfg_ctx);
3132 
3133 	return HAL_RX_BUF_RBM_SW_BM(soc->wbm_sw0_bm_id,
3134 				    wbm2_sw_rx_rel_ring_id);
3135 }
3136 
3137 static inline uint8_t
3138 dp_rx_get_defrag_bm_id(struct dp_soc *soc)
3139 {
3140 	return dp_rx_get_rx_bm_id(soc);
3141 }
3142 #endif
3143 
3144 #ifndef WLAN_SOFTUMAC_SUPPORT /* WLAN_SOFTUMAC_SUPPORT */
3145 /**
3146  * dp_rx_dump_info_and_assert() - dump RX Ring info and Rx Desc info
3147  *
3148  * @soc: core txrx main context
3149  * @hal_ring_hdl: opaque pointer to the HAL Rx Ring, which will be serviced
3150  * @ring_desc: opaque pointer to the RX ring descriptor
3151  * @rx_desc: host rx descriptor
3152  *
3153  * Return: void
3154  */
3155 void dp_rx_dump_info_and_assert(struct dp_soc *soc,
3156 				hal_ring_handle_t hal_ring_hdl,
3157 				hal_ring_desc_t ring_desc,
3158 				struct dp_rx_desc *rx_desc);
3159 
3160 /**
3161  * dp_rx_link_desc_return() - Return a MPDU link descriptor to HW
3162  *			      (WBM), following error handling
3163  *
3164  * @soc: core DP main context
3165  * @ring_desc: opaque pointer to the REO error ring descriptor
3166  * @bm_action: put to idle_list or release to msdu_list
3167  *
3168  * Return: QDF_STATUS_E_FAILURE for failure else QDF_STATUS_SUCCESS
3169  */
3170 QDF_STATUS
3171 dp_rx_link_desc_return(struct dp_soc *soc, hal_ring_desc_t ring_desc,
3172 		       uint8_t bm_action);
3173 
3174 /**
3175  * dp_rx_link_desc_return_by_addr - Return a MPDU link descriptor to
3176  *					(WBM) by address
3177  *
3178  * @soc: core DP main context
3179  * @link_desc_addr: link descriptor addr
3180  * @bm_action: put to idle_list or release to msdu_list
3181  *
3182  * Return: QDF_STATUS_E_FAILURE for failure else QDF_STATUS_SUCCESS
3183  */
3184 QDF_STATUS
3185 dp_rx_link_desc_return_by_addr(struct dp_soc *soc,
3186 			       hal_buff_addrinfo_t link_desc_addr,
3187 			       uint8_t bm_action);
3188 
3189 /**
3190  * dp_rxdma_err_process() - RxDMA error processing functionality
3191  * @int_ctx: pointer to DP interrupt context
3192  * @soc: core txrx main context
3193  * @mac_id: mac id which is one of 3 mac_ids
3194  * @quota: No. of units (packets) that can be serviced in one shot.
3195  *
3196  * Return: num of buffers processed
3197  */
3198 uint32_t
3199 dp_rxdma_err_process(struct dp_intr *int_ctx, struct dp_soc *soc,
3200 		     uint32_t mac_id, uint32_t quota);
3201 
3202 /**
3203  * dp_rx_process_rxdma_err() - Function to deliver rxdma unencrypted_err
3204  *			       frames to OS or wifi parse errors.
3205  * @soc: core DP main context
3206  * @nbuf: buffer pointer
3207  * @rx_tlv_hdr: start of rx tlv header
3208  * @txrx_peer: peer reference
3209  * @err_code: rxdma err code
3210  * @mac_id: mac_id which is one of 3 mac_ids(Assuming mac_id and
3211  * pool_id has same mapping)
3212  * @link_id: link Id on which the packet is received
3213  *
3214  * Return: None
3215  */
3216 void
3217 dp_rx_process_rxdma_err(struct dp_soc *soc, qdf_nbuf_t nbuf,
3218 			uint8_t *rx_tlv_hdr, struct dp_txrx_peer *txrx_peer,
3219 			uint8_t err_code, uint8_t mac_id, uint8_t link_id);
3220 
3221 /**
3222  * dp_rx_process_mic_error(): Function to pass mic error indication to umac
3223  * @soc: core DP main context
3224  * @nbuf: buffer pointer
3225  * @rx_tlv_hdr: start of rx tlv header
3226  * @txrx_peer: txrx peer handle
3227  *
3228  * Return: void
3229  */
3230 void dp_rx_process_mic_error(struct dp_soc *soc, qdf_nbuf_t nbuf,
3231 			     uint8_t *rx_tlv_hdr,
3232 			     struct dp_txrx_peer *txrx_peer);
3233 
3234 /**
3235  * dp_2k_jump_handle() - Function to handle 2k jump exception
3236  *                        on WBM ring
3237  * @soc: core DP main context
3238  * @nbuf: buffer pointer
3239  * @rx_tlv_hdr: start of rx tlv header
3240  * @peer_id: peer id of first msdu
3241  * @tid: Tid for which exception occurred
3242  *
3243  * This function handles 2k jump violations arising out
3244  * of receiving aggregates in non BA case. This typically
3245  * may happen if aggregates are received on a QOS enabled TID
3246  * while Rx window size is still initialized to value of 2. Or
3247  * it may also happen if negotiated window size is 1 but peer
3248  * sends aggregates.
3249  */
3250 void dp_2k_jump_handle(struct dp_soc *soc, qdf_nbuf_t nbuf, uint8_t *rx_tlv_hdr,
3251 		       uint16_t peer_id, uint8_t tid);
3252 
3253 #ifndef QCA_HOST_MODE_WIFI_DISABLED
3254 
3255 /**
3256  * dp_rx_err_process() - Processes error frames routed to REO error ring
3257  * @int_ctx: pointer to DP interrupt context
3258  * @soc: core txrx main context
3259  * @hal_ring_hdl: opaque pointer to the HAL Rx Error Ring, which will be serviced
3260  * @quota: No. of units (packets) that can be serviced in one shot.
3261  *
3262  * This function implements error processing and top level demultiplexer
3263  * for all the frames routed to REO error ring.
3264  *
3265  * Return: uint32_t: No. of elements processed
3266  */
3267 uint32_t dp_rx_err_process(struct dp_intr *int_ctx, struct dp_soc *soc,
3268 			   hal_ring_handle_t hal_ring_hdl, uint32_t quota);
3269 
3270 /**
3271  * dp_rx_wbm_err_process() - Processes error frames routed to WBM release ring
3272  * @int_ctx: pointer to DP interrupt context
3273  * @soc: core txrx main context
3274  * @hal_ring_hdl: opaque pointer to the HAL Rx Error Ring, which will be
3275  *                serviced
3276  * @quota: No. of units (packets) that can be serviced in one shot.
3277  *
3278  * This function implements error processing and top level demultiplexer
3279  * for all the frames routed to WBM2HOST sw release ring.
3280  *
3281  * Return: uint32_t: No. of elements processed
3282  */
3283 uint32_t
3284 dp_rx_wbm_err_process(struct dp_intr *int_ctx, struct dp_soc *soc,
3285 		      hal_ring_handle_t hal_ring_hdl, uint32_t quota);
3286 
3287 #ifdef QCA_OL_RX_LOCK_LESS_ACCESS
3288 /**
3289  * dp_rx_srng_access_start()- Wrapper function to log access start of a hal ring
3290  * @int_ctx: pointer to DP interrupt context
3291  * @soc: DP soc structure pointer
3292  * @hal_ring_hdl: HAL ring handle
3293  *
3294  * Return: 0 on success; error on failure
3295  */
3296 static inline int
3297 dp_rx_srng_access_start(struct dp_intr *int_ctx, struct dp_soc *soc,
3298 			hal_ring_handle_t hal_ring_hdl)
3299 {
3300 	return hal_srng_access_start_unlocked(soc->hal_soc, hal_ring_hdl);
3301 }
3302 
3303 /**
3304  * dp_rx_srng_access_end()- Wrapper function to log access end of a hal ring
3305  * @int_ctx: pointer to DP interrupt context
3306  * @soc: DP soc structure pointer
3307  * @hal_ring_hdl: HAL ring handle
3308  *
3309  * Return: None
3310  */
3311 static inline void
3312 dp_rx_srng_access_end(struct dp_intr *int_ctx, struct dp_soc *soc,
3313 		      hal_ring_handle_t hal_ring_hdl)
3314 {
3315 	hal_srng_access_end_unlocked(soc->hal_soc, hal_ring_hdl);
3316 }
3317 #else
3318 static inline int
3319 dp_rx_srng_access_start(struct dp_intr *int_ctx, struct dp_soc *soc,
3320 			hal_ring_handle_t hal_ring_hdl)
3321 {
3322 	return dp_srng_access_start(int_ctx, soc, hal_ring_hdl);
3323 }
3324 
3325 static inline void
3326 dp_rx_srng_access_end(struct dp_intr *int_ctx, struct dp_soc *soc,
3327 		      hal_ring_handle_t hal_ring_hdl)
3328 {
3329 	dp_srng_access_end(int_ctx, soc, hal_ring_hdl);
3330 }
3331 #endif
3332 
3333 #ifdef RX_DESC_SANITY_WAR
3334 QDF_STATUS dp_rx_desc_sanity(struct dp_soc *soc, hal_soc_handle_t hal_soc,
3335 			     hal_ring_handle_t hal_ring_hdl,
3336 			     hal_ring_desc_t ring_desc,
3337 			     struct dp_rx_desc *rx_desc);
3338 #else
3339 static inline
3340 QDF_STATUS dp_rx_desc_sanity(struct dp_soc *soc, hal_soc_handle_t hal_soc,
3341 			     hal_ring_handle_t hal_ring_hdl,
3342 			     hal_ring_desc_t ring_desc,
3343 			     struct dp_rx_desc *rx_desc)
3344 {
3345 	return QDF_STATUS_SUCCESS;
3346 }
3347 #endif
3348 
3349 #ifdef RX_DESC_DEBUG_CHECK
3350 /**
3351  * dp_rx_desc_nbuf_sanity_check - Add sanity check to catch REO rx_desc paddr
3352  *				  corruption
3353  * @soc: DP SoC context
3354  * @ring_desc: REO ring descriptor
3355  * @rx_desc: Rx descriptor
3356  *
3357  * Return: NONE
3358  */
3359 QDF_STATUS dp_rx_desc_nbuf_sanity_check(struct dp_soc *soc,
3360 					hal_ring_desc_t ring_desc,
3361 					struct dp_rx_desc *rx_desc);
3362 #else
3363 static inline
3364 QDF_STATUS dp_rx_desc_nbuf_sanity_check(struct dp_soc *soc,
3365 					hal_ring_desc_t ring_desc,
3366 					struct dp_rx_desc *rx_desc)
3367 {
3368 	return QDF_STATUS_SUCCESS;
3369 }
3370 #endif
3371 #endif /* QCA_HOST_MODE_WIFI_DISABLED */
3372 
3373 /**
3374  * dp_rx_wbm_sg_list_reset() - Initialize sg list
3375  *
3376  * This api should be called at soc init and afterevery sg processing.
3377  *@soc: DP SOC handle
3378  */
3379 static inline void dp_rx_wbm_sg_list_reset(struct dp_soc *soc)
3380 {
3381 	if (soc) {
3382 		soc->wbm_sg_param.wbm_is_first_msdu_in_sg = false;
3383 		soc->wbm_sg_param.wbm_sg_nbuf_head = NULL;
3384 		soc->wbm_sg_param.wbm_sg_nbuf_tail = NULL;
3385 		soc->wbm_sg_param.wbm_sg_desc_msdu_len = 0;
3386 	}
3387 }
3388 
3389 /**
3390  * dp_rx_wbm_sg_list_deinit() - De-initialize sg list
3391  *
3392  * This api should be called in down path, to avoid any leak.
3393  *@soc: DP SOC handle
3394  */
3395 static inline void dp_rx_wbm_sg_list_deinit(struct dp_soc *soc)
3396 {
3397 	if (soc) {
3398 		if (soc->wbm_sg_param.wbm_sg_nbuf_head)
3399 			qdf_nbuf_list_free(soc->wbm_sg_param.wbm_sg_nbuf_head);
3400 
3401 		dp_rx_wbm_sg_list_reset(soc);
3402 	}
3403 }
3404 
3405 /**
3406  * dp_rx_link_desc_refill_duplicate_check() - check if link desc duplicate
3407  *					      to refill
3408  * @soc: DP SOC handle
3409  * @buf_info: the last link desc buf info
3410  * @ring_buf_info: current buf address pointor including link desc
3411  *
3412  * Return: none.
3413  */
3414 void dp_rx_link_desc_refill_duplicate_check(
3415 				struct dp_soc *soc,
3416 				struct hal_buf_info *buf_info,
3417 				hal_buff_addrinfo_t ring_buf_info);
3418 /**
3419  * dp_rx_srng_get_num_pending() - get number of pending entries
3420  * @hal_soc: hal soc opaque pointer
3421  * @hal_ring_hdl: opaque pointer to the HAL Rx Ring
3422  * @num_entries: number of entries in the hal_ring.
3423  * @near_full: pointer to a boolean. This is set if ring is near full.
3424  *
3425  * The function returns the number of entries in a destination ring which are
3426  * yet to be reaped. The function also checks if the ring is near full.
3427  * If more than half of the ring needs to be reaped, the ring is considered
3428  * approaching full.
3429  * The function uses hal_srng_dst_num_valid_locked to get the number of valid
3430  * entries. It should not be called within a SRNG lock. HW pointer value is
3431  * synced into cached_hp.
3432  *
3433  * Return: Number of pending entries if any
3434  */
3435 uint32_t dp_rx_srng_get_num_pending(hal_soc_handle_t hal_soc,
3436 				    hal_ring_handle_t hal_ring_hdl,
3437 				    uint32_t num_entries,
3438 				    bool *near_full);
3439 
3440 #ifdef WLAN_FEATURE_DP_RX_RING_HISTORY
3441 /**
3442  * dp_rx_ring_record_entry() - Record an entry into the rx ring history.
3443  * @soc: Datapath soc structure
3444  * @ring_num: REO ring number
3445  * @ring_desc: REO ring descriptor
3446  *
3447  * Return: None
3448  */
3449 void dp_rx_ring_record_entry(struct dp_soc *soc, uint8_t ring_num,
3450 			     hal_ring_desc_t ring_desc);
3451 #else
3452 static inline void
3453 dp_rx_ring_record_entry(struct dp_soc *soc, uint8_t ring_num,
3454 			hal_ring_desc_t ring_desc)
3455 {
3456 }
3457 #endif
3458 
3459 #ifdef QCA_SUPPORT_WDS_EXTENDED
3460 /**
3461  * dp_rx_is_list_ready() - Make different lists for 4-address
3462  *			   and 3-address frames
3463  * @nbuf_head: skb list head
3464  * @vdev: vdev
3465  * @txrx_peer : txrx_peer
3466  * @peer_id: peer id of new received frame
3467  * @vdev_id: vdev_id of new received frame
3468  *
3469  * Return: true if peer_ids are different.
3470  */
3471 static inline bool
3472 dp_rx_is_list_ready(qdf_nbuf_t nbuf_head,
3473 		    struct dp_vdev *vdev,
3474 		    struct dp_txrx_peer *txrx_peer,
3475 		    uint16_t peer_id,
3476 		    uint8_t vdev_id)
3477 {
3478 	if (nbuf_head && txrx_peer && txrx_peer->peer_id != peer_id)
3479 		return true;
3480 
3481 	return false;
3482 }
3483 #else
3484 static inline bool
3485 dp_rx_is_list_ready(qdf_nbuf_t nbuf_head,
3486 		    struct dp_vdev *vdev,
3487 		    struct dp_txrx_peer *txrx_peer,
3488 		    uint16_t peer_id,
3489 		    uint8_t vdev_id)
3490 {
3491 	if (nbuf_head && vdev && (vdev->vdev_id != vdev_id))
3492 		return true;
3493 
3494 	return false;
3495 }
3496 #endif
3497 
3498 #ifdef WLAN_FEATURE_MARK_FIRST_WAKEUP_PACKET
3499 /**
3500  * dp_rx_mark_first_packet_after_wow_wakeup - get first packet after wow wakeup
3501  * @pdev: pointer to dp_pdev structure
3502  * @rx_tlv: pointer to rx_pkt_tlvs structure
3503  * @nbuf: pointer to skb buffer
3504  *
3505  * Return: None
3506  */
3507 void dp_rx_mark_first_packet_after_wow_wakeup(struct dp_pdev *pdev,
3508 					      uint8_t *rx_tlv,
3509 					      qdf_nbuf_t nbuf);
3510 #else
3511 static inline void
3512 dp_rx_mark_first_packet_after_wow_wakeup(struct dp_pdev *pdev,
3513 					 uint8_t *rx_tlv,
3514 					 qdf_nbuf_t nbuf)
3515 {
3516 }
3517 #endif
3518 
3519 #else
3520 static inline QDF_STATUS
3521 dp_rx_link_desc_return_by_addr(struct dp_soc *soc,
3522 			       hal_buff_addrinfo_t link_desc_addr,
3523 			       uint8_t bm_action)
3524 {
3525 	return QDF_STATUS_SUCCESS;
3526 }
3527 
3528 static inline void dp_rx_wbm_sg_list_reset(struct dp_soc *soc)
3529 {
3530 }
3531 
3532 static inline void dp_rx_wbm_sg_list_deinit(struct dp_soc *soc)
3533 {
3534 }
3535 
3536 static inline uint32_t
3537 dp_rxdma_err_process(struct dp_intr *int_ctx, struct dp_soc *soc,
3538 		     uint32_t mac_id, uint32_t quota)
3539 {
3540 	return 0;
3541 }
3542 #endif /* WLAN_SOFTUMAC_SUPPORT */
3543 
3544 #ifndef CONFIG_NBUF_AP_PLATFORM
3545 static inline uint8_t
3546 dp_rx_get_stats_arr_idx_from_link_id(qdf_nbuf_t nbuf,
3547 				     struct dp_txrx_peer *txrx_peer)
3548 {
3549 	return QDF_NBUF_CB_RX_LOGICAL_LINK_ID(nbuf);
3550 }
3551 #else
3552 static inline uint8_t
3553 dp_rx_get_stats_arr_idx_from_link_id(qdf_nbuf_t nbuf,
3554 				     struct dp_txrx_peer *txrx_peer)
3555 {
3556 	uint8_t link_id = 0;
3557 
3558 	link_id = (QDF_NBUF_CB_RX_HW_LINK_ID(nbuf) + 1);
3559 	if (link_id > DP_MAX_MLO_LINKS) {
3560 		link_id = 0;
3561 		DP_PEER_PER_PKT_STATS_INC(txrx_peer,
3562 					  rx.inval_link_id_pkt_cnt,
3563 					  1, link_id);
3564 	}
3565 
3566 	return link_id;
3567 }
3568 #endif /* CONFIG_NBUF_AP_PLATFORM */
3569 
3570 #endif /* _DP_RX_H */
3571