1 /*
2  * Copyright (c) 2012 Qualcomm Atheros, Inc.
3  *
4  * Permission to use, copy, modify, and/or distribute this software for any
5  * purpose with or without fee is hereby granted, provided that the above
6  * copyright notice and this permission notice appear in all copies.
7  *
8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15  */
16 
17 #ifndef __WIL6210_H__
18 #define __WIL6210_H__
19 
20 #include <linux/netdevice.h>
21 #include <linux/wireless.h>
22 #include <net/cfg80211.h>
23 
24 #define WIL_NAME "wil6210"
25 
26 /**
27  * extract bits [@b0:@b1] (inclusive) from the value @x
28  * it should be @b0 <= @b1, or result is incorrect
29  */
30 static inline u32 WIL_GET_BITS(u32 x, int b0, int b1)
31 {
32 	return (x >> b0) & ((1 << (b1 - b0 + 1)) - 1);
33 }
34 
35 #define WIL6210_MEM_SIZE (2*1024*1024UL)
36 
37 #define WIL6210_RX_RING_SIZE	(128)
38 #define WIL6210_TX_RING_SIZE	(128)
39 #define WIL6210_MAX_TX_RINGS	(24) /* HW limit */
40 #define WIL6210_MAX_CID		(8) /* HW limit */
41 #define WIL6210_NAPI_BUDGET	(16) /* arbitrary */
42 #define WIL6210_ITR_TRSH	(10000) /* arbitrary - about 15 IRQs/msec */
43 
44 /* Hardware definitions begin */
45 
46 /*
47  * Mapping
48  * RGF File      | Host addr    |  FW addr
49  *               |              |
50  * user_rgf      | 0x000000     | 0x880000
51  *  dma_rgf      | 0x001000     | 0x881000
52  * pcie_rgf      | 0x002000     | 0x882000
53  *               |              |
54  */
55 
56 /* Where various structures placed in host address space */
57 #define WIL6210_FW_HOST_OFF      (0x880000UL)
58 
59 #define HOSTADDR(fwaddr)        (fwaddr - WIL6210_FW_HOST_OFF)
60 
61 /*
62  * Interrupt control registers block
63  *
64  * each interrupt controlled by the same bit in all registers
65  */
66 struct RGF_ICR {
67 	u32 ICC; /* Cause Control, RW: 0 - W1C, 1 - COR */
68 	u32 ICR; /* Cause, W1C/COR depending on ICC */
69 	u32 ICM; /* Cause masked (ICR & ~IMV), W1C/COR depending on ICC */
70 	u32 ICS; /* Cause Set, WO */
71 	u32 IMV; /* Mask, RW+S/C */
72 	u32 IMS; /* Mask Set, write 1 to set */
73 	u32 IMC; /* Mask Clear, write 1 to clear */
74 } __packed;
75 
76 /* registers - FW addresses */
77 #define RGF_USER_HW_MACHINE_STATE	(0x8801dc)
78 	#define HW_MACHINE_BOOT_DONE	(0x3fffffd)
79 #define RGF_USER_USER_CPU_0		(0x8801e0)
80 #define RGF_USER_MAC_CPU_0		(0x8801fc)
81 #define RGF_USER_USER_SCRATCH_PAD	(0x8802bc)
82 #define RGF_USER_FW_REV_ID		(0x880a8c) /* chip revision */
83 #define RGF_USER_CLKS_CTL_0		(0x880abc)
84 	#define BIT_USER_CLKS_RST_PWGD	BIT(11) /* reset on "power good" */
85 #define RGF_USER_CLKS_CTL_SW_RST_VEC_0	(0x880b04)
86 #define RGF_USER_CLKS_CTL_SW_RST_VEC_1	(0x880b08)
87 #define RGF_USER_CLKS_CTL_SW_RST_VEC_2	(0x880b0c)
88 #define RGF_USER_CLKS_CTL_SW_RST_VEC_3	(0x880b10)
89 #define RGF_USER_CLKS_CTL_SW_RST_MASK_0	(0x880b14)
90 #define RGF_USER_USER_ICR		(0x880b4c) /* struct RGF_ICR */
91 	#define BIT_USER_USER_ICR_SW_INT_2	BIT(18)
92 
93 #define RGF_DMA_EP_TX_ICR		(0x881bb4) /* struct RGF_ICR */
94 	#define BIT_DMA_EP_TX_ICR_TX_DONE	BIT(0)
95 	#define BIT_DMA_EP_TX_ICR_TX_DONE_N(n)	BIT(n+1) /* n = [0..23] */
96 #define RGF_DMA_EP_RX_ICR		(0x881bd0) /* struct RGF_ICR */
97 	#define BIT_DMA_EP_RX_ICR_RX_DONE	BIT(0)
98 #define RGF_DMA_EP_MISC_ICR		(0x881bec) /* struct RGF_ICR */
99 	#define BIT_DMA_EP_MISC_ICR_RX_HTRSH	BIT(0)
100 	#define BIT_DMA_EP_MISC_ICR_TX_NO_ACT	BIT(1)
101 	#define BIT_DMA_EP_MISC_ICR_FW_INT(n)	BIT(28+n) /* n = [0..3] */
102 
103 /* Interrupt moderation control */
104 #define RGF_DMA_ITR_CNT_TRSH		(0x881c5c)
105 #define RGF_DMA_ITR_CNT_DATA		(0x881c60)
106 #define RGF_DMA_ITR_CNT_CRL		(0x881c64)
107 	#define BIT_DMA_ITR_CNT_CRL_EN		BIT(0)
108 	#define BIT_DMA_ITR_CNT_CRL_EXT_TICK	BIT(1)
109 	#define BIT_DMA_ITR_CNT_CRL_FOREVER	BIT(2)
110 	#define BIT_DMA_ITR_CNT_CRL_CLR		BIT(3)
111 	#define BIT_DMA_ITR_CNT_CRL_REACH_TRSH	BIT(4)
112 
113 #define RGF_DMA_PSEUDO_CAUSE		(0x881c68)
114 #define RGF_DMA_PSEUDO_CAUSE_MASK_SW	(0x881c6c)
115 #define RGF_DMA_PSEUDO_CAUSE_MASK_FW	(0x881c70)
116 	#define BIT_DMA_PSEUDO_CAUSE_RX		BIT(0)
117 	#define BIT_DMA_PSEUDO_CAUSE_TX		BIT(1)
118 	#define BIT_DMA_PSEUDO_CAUSE_MISC	BIT(2)
119 
120 #define RGF_PCIE_LOS_COUNTER_CTL	(0x882dc4)
121 
122 /* popular locations */
123 #define HOST_MBOX   HOSTADDR(RGF_USER_USER_SCRATCH_PAD)
124 #define HOST_SW_INT (HOSTADDR(RGF_USER_USER_ICR) + \
125 	offsetof(struct RGF_ICR, ICS))
126 #define SW_INT_MBOX BIT_USER_USER_ICR_SW_INT_2
127 
128 /* ISR register bits */
129 #define ISR_MISC_FW_READY	BIT_DMA_EP_MISC_ICR_FW_INT(0)
130 #define ISR_MISC_MBOX_EVT	BIT_DMA_EP_MISC_ICR_FW_INT(1)
131 #define ISR_MISC_FW_ERROR	BIT_DMA_EP_MISC_ICR_FW_INT(3)
132 
133 /* Hardware definitions end */
134 
135 /**
136  * mk_cidxtid - construct @cidxtid field
137  * @cid: CID value
138  * @tid: TID value
139  *
140  * @cidxtid field encoded as bits 0..3 - CID; 4..7 - TID
141  */
142 static inline u8 mk_cidxtid(u8 cid, u8 tid)
143 {
144 	return ((tid & 0xf) << 4) | (cid & 0xf);
145 }
146 
147 /**
148  * parse_cidxtid - parse @cidxtid field
149  * @cid: store CID value here
150  * @tid: store TID value here
151  *
152  * @cidxtid field encoded as bits 0..3 - CID; 4..7 - TID
153  */
154 static inline void parse_cidxtid(u8 cidxtid, u8 *cid, u8 *tid)
155 {
156 	*cid = cidxtid & 0xf;
157 	*tid = (cidxtid >> 4) & 0xf;
158 }
159 
160 struct wil6210_mbox_ring {
161 	u32 base;
162 	u16 entry_size; /* max. size of mbox entry, incl. all headers */
163 	u16 size;
164 	u32 tail;
165 	u32 head;
166 } __packed;
167 
168 struct wil6210_mbox_ring_desc {
169 	__le32 sync;
170 	__le32 addr;
171 } __packed;
172 
173 /* at HOST_OFF_WIL6210_MBOX_CTL */
174 struct wil6210_mbox_ctl {
175 	struct wil6210_mbox_ring tx;
176 	struct wil6210_mbox_ring rx;
177 } __packed;
178 
179 struct wil6210_mbox_hdr {
180 	__le16 seq;
181 	__le16 len; /* payload, bytes after this header */
182 	__le16 type;
183 	u8 flags;
184 	u8 reserved;
185 } __packed;
186 
187 #define WIL_MBOX_HDR_TYPE_WMI (0)
188 
189 /* max. value for wil6210_mbox_hdr.len */
190 #define MAX_MBOXITEM_SIZE   (240)
191 
192 /**
193  * struct wil6210_mbox_hdr_wmi - WMI header
194  *
195  * @mid: MAC ID
196  *	00 - default, created by FW
197  *	01..0f - WiFi ports, driver to create
198  *	10..fe - debug
199  *	ff - broadcast
200  * @id: command/event ID
201  * @timestamp: FW fills for events, free-running msec timer
202  */
203 struct wil6210_mbox_hdr_wmi {
204 	u8 mid;
205 	u8 reserved;
206 	__le16 id;
207 	__le32 timestamp;
208 } __packed;
209 
210 struct pending_wmi_event {
211 	struct list_head list;
212 	struct {
213 		struct wil6210_mbox_hdr hdr;
214 		struct wil6210_mbox_hdr_wmi wmi;
215 		u8 data[0];
216 	} __packed event;
217 };
218 
219 enum { /* for wil_ctx.mapped_as */
220 	wil_mapped_as_none = 0,
221 	wil_mapped_as_single = 1,
222 	wil_mapped_as_page = 2,
223 };
224 
225 /**
226  * struct wil_ctx - software context for Vring descriptor
227  */
228 struct wil_ctx {
229 	struct sk_buff *skb;
230 	u8 nr_frags;
231 	u8 mapped_as;
232 };
233 
234 union vring_desc;
235 
236 struct vring {
237 	dma_addr_t pa;
238 	volatile union vring_desc *va; /* vring_desc[size], WriteBack by DMA */
239 	u16 size; /* number of vring_desc elements */
240 	u32 swtail;
241 	u32 swhead;
242 	u32 hwtail; /* write here to inform hw */
243 	struct wil_ctx *ctx; /* ctx[size] - software context */
244 };
245 
246 /**
247  * Additional data for Tx Vring
248  */
249 struct vring_tx_data {
250 	int enabled;
251 
252 };
253 
254 enum { /* for wil6210_priv.status */
255 	wil_status_fwready = 0,
256 	wil_status_fwconnecting,
257 	wil_status_fwconnected,
258 	wil_status_dontscan,
259 	wil_status_reset_done,
260 	wil_status_irqen, /* FIXME: interrupts enabled - for debug */
261 	wil_status_napi_en, /* NAPI enabled protected by wil->mutex */
262 };
263 
264 struct pci_dev;
265 
266 /**
267  * struct tid_ampdu_rx - TID aggregation information (Rx).
268  *
269  * @reorder_buf: buffer to reorder incoming aggregated MPDUs
270  * @reorder_time: jiffies when skb was added
271  * @session_timer: check if peer keeps Tx-ing on the TID (by timeout value)
272  * @reorder_timer: releases expired frames from the reorder buffer.
273  * @last_rx: jiffies of last rx activity
274  * @head_seq_num: head sequence number in reordering buffer.
275  * @stored_mpdu_num: number of MPDUs in reordering buffer
276  * @ssn: Starting Sequence Number expected to be aggregated.
277  * @buf_size: buffer size for incoming A-MPDUs
278  * @timeout: reset timer value (in TUs).
279  * @dialog_token: dialog token for aggregation session
280  * @rcu_head: RCU head used for freeing this struct
281  * @reorder_lock: serializes access to reorder buffer, see below.
282  *
283  * This structure's lifetime is managed by RCU, assignments to
284  * the array holding it must hold the aggregation mutex.
285  *
286  * The @reorder_lock is used to protect the members of this
287  * struct, except for @timeout, @buf_size and @dialog_token,
288  * which are constant across the lifetime of the struct (the
289  * dialog token being used only for debugging).
290  */
291 struct wil_tid_ampdu_rx {
292 	spinlock_t reorder_lock; /* see above */
293 	struct sk_buff **reorder_buf;
294 	unsigned long *reorder_time;
295 	struct timer_list session_timer;
296 	struct timer_list reorder_timer;
297 	unsigned long last_rx;
298 	u16 head_seq_num;
299 	u16 stored_mpdu_num;
300 	u16 ssn;
301 	u16 buf_size;
302 	u16 timeout;
303 	u8 dialog_token;
304 };
305 
306 struct wil6210_stats {
307 	u64 tsf;
308 	u32 snr;
309 	u16 last_mcs_rx;
310 	u16 bf_mcs; /* last BF, used for Tx */
311 	u16 my_rx_sector;
312 	u16 my_tx_sector;
313 	u16 peer_rx_sector;
314 	u16 peer_tx_sector;
315 };
316 
317 enum wil_sta_status {
318 	wil_sta_unused = 0,
319 	wil_sta_conn_pending = 1,
320 	wil_sta_connected = 2,
321 };
322 
323 #define WIL_STA_TID_NUM (16)
324 
325 struct wil_net_stats {
326 	unsigned long	rx_packets;
327 	unsigned long	tx_packets;
328 	unsigned long	rx_bytes;
329 	unsigned long	tx_bytes;
330 	unsigned long	tx_errors;
331 	unsigned long	rx_dropped;
332 	u16 last_mcs_rx;
333 };
334 
335 /**
336  * struct wil_sta_info - data for peer
337  *
338  * Peer identified by its CID (connection ID)
339  * NIC performs beam forming for each peer;
340  * if no beam forming done, frame exchange is not
341  * possible.
342  */
343 struct wil_sta_info {
344 	u8 addr[ETH_ALEN];
345 	enum wil_sta_status status;
346 	struct wil_net_stats stats;
347 	bool data_port_open; /* can send any data, not only EAPOL */
348 	/* Rx BACK */
349 	struct wil_tid_ampdu_rx *tid_rx[WIL_STA_TID_NUM];
350 	unsigned long tid_rx_timer_expired[BITS_TO_LONGS(WIL_STA_TID_NUM)];
351 	unsigned long tid_rx_stop_requested[BITS_TO_LONGS(WIL_STA_TID_NUM)];
352 };
353 
354 struct wil6210_priv {
355 	struct pci_dev *pdev;
356 	int n_msi;
357 	struct wireless_dev *wdev;
358 	void __iomem *csr;
359 	ulong status;
360 	u32 fw_version;
361 	u32 hw_version;
362 	u8 n_mids; /* number of additional MIDs as reported by FW */
363 	/* profile */
364 	u32 monitor_flags;
365 	u32 secure_pcp; /* create secure PCP? */
366 	int sinfo_gen;
367 	/* cached ISR registers */
368 	u32 isr_misc;
369 	/* mailbox related */
370 	struct mutex wmi_mutex;
371 	struct wil6210_mbox_ctl mbox_ctl;
372 	struct completion wmi_ready;
373 	u16 wmi_seq;
374 	u16 reply_id; /**< wait for this WMI event */
375 	void *reply_buf;
376 	u16 reply_size;
377 	struct workqueue_struct *wmi_wq; /* for deferred calls */
378 	struct work_struct wmi_event_worker;
379 	struct workqueue_struct *wmi_wq_conn; /* for connect worker */
380 	struct work_struct connect_worker;
381 	struct work_struct disconnect_worker;
382 	struct work_struct fw_error_worker;	/* for FW error recovery */
383 	struct timer_list connect_timer;
384 	int pending_connect_cid;
385 	struct list_head pending_wmi_ev;
386 	/*
387 	 * protect pending_wmi_ev
388 	 * - fill in IRQ from wil6210_irq_misc,
389 	 * - consumed in thread by wmi_event_worker
390 	 */
391 	spinlock_t wmi_ev_lock;
392 	struct napi_struct napi_rx;
393 	struct napi_struct napi_tx;
394 	/* DMA related */
395 	struct vring vring_rx;
396 	struct vring vring_tx[WIL6210_MAX_TX_RINGS];
397 	struct vring_tx_data vring_tx_data[WIL6210_MAX_TX_RINGS];
398 	u8 vring2cid_tid[WIL6210_MAX_TX_RINGS][2]; /* [0] - CID, [1] - TID */
399 	struct wil_sta_info sta[WIL6210_MAX_CID];
400 	/* scan */
401 	struct cfg80211_scan_request *scan_request;
402 
403 	struct mutex mutex; /* for wil6210_priv access in wil_{up|down} */
404 	/* statistics */
405 	struct wil6210_stats stats;
406 	/* debugfs */
407 	struct dentry *debug;
408 	struct debugfs_blob_wrapper fw_code_blob;
409 	struct debugfs_blob_wrapper fw_data_blob;
410 	struct debugfs_blob_wrapper fw_peri_blob;
411 	struct debugfs_blob_wrapper uc_code_blob;
412 	struct debugfs_blob_wrapper uc_data_blob;
413 	struct debugfs_blob_wrapper rgf_blob;
414 };
415 
416 #define wil_to_wiphy(i) (i->wdev->wiphy)
417 #define wil_to_dev(i) (wiphy_dev(wil_to_wiphy(i)))
418 #define wiphy_to_wil(w) (struct wil6210_priv *)(wiphy_priv(w))
419 #define wil_to_wdev(i) (i->wdev)
420 #define wdev_to_wil(w) (struct wil6210_priv *)(wdev_priv(w))
421 #define wil_to_ndev(i) (wil_to_wdev(i)->netdev)
422 #define ndev_to_wil(n) (wdev_to_wil(n->ieee80211_ptr))
423 
424 int wil_dbg_trace(struct wil6210_priv *wil, const char *fmt, ...);
425 int wil_err(struct wil6210_priv *wil, const char *fmt, ...);
426 int wil_info(struct wil6210_priv *wil, const char *fmt, ...);
427 #define wil_dbg(wil, fmt, arg...) do { \
428 	netdev_dbg(wil_to_ndev(wil), fmt, ##arg); \
429 	wil_dbg_trace(wil, fmt, ##arg); \
430 } while (0)
431 
432 #define wil_dbg_irq(wil, fmt, arg...) wil_dbg(wil, "DBG[ IRQ]" fmt, ##arg)
433 #define wil_dbg_txrx(wil, fmt, arg...) wil_dbg(wil, "DBG[TXRX]" fmt, ##arg)
434 #define wil_dbg_wmi(wil, fmt, arg...) wil_dbg(wil, "DBG[ WMI]" fmt, ##arg)
435 #define wil_dbg_misc(wil, fmt, arg...) wil_dbg(wil, "DBG[MISC]" fmt, ##arg)
436 
437 #define wil_hex_dump_txrx(prefix_str, prefix_type, rowsize,	\
438 			  groupsize, buf, len, ascii)		\
439 			  print_hex_dump_debug("DBG[TXRX]" prefix_str,\
440 					 prefix_type, rowsize,	\
441 					 groupsize, buf, len, ascii)
442 
443 #define wil_hex_dump_wmi(prefix_str, prefix_type, rowsize,	\
444 			 groupsize, buf, len, ascii)		\
445 			 print_hex_dump_debug("DBG[ WMI]" prefix_str,\
446 					prefix_type, rowsize,	\
447 					groupsize, buf, len, ascii)
448 
449 void wil_memcpy_fromio_32(void *dst, const volatile void __iomem *src,
450 			  size_t count);
451 void wil_memcpy_toio_32(volatile void __iomem *dst, const void *src,
452 			size_t count);
453 
454 void *wil_if_alloc(struct device *dev, void __iomem *csr);
455 void wil_if_free(struct wil6210_priv *wil);
456 int wil_if_add(struct wil6210_priv *wil);
457 void wil_if_remove(struct wil6210_priv *wil);
458 int wil_priv_init(struct wil6210_priv *wil);
459 void wil_priv_deinit(struct wil6210_priv *wil);
460 int wil_reset(struct wil6210_priv *wil);
461 void wil_fw_error_recovery(struct wil6210_priv *wil);
462 void wil_link_on(struct wil6210_priv *wil);
463 void wil_link_off(struct wil6210_priv *wil);
464 int wil_up(struct wil6210_priv *wil);
465 int wil_down(struct wil6210_priv *wil);
466 void wil_mbox_ring_le2cpus(struct wil6210_mbox_ring *r);
467 int wil_find_cid(struct wil6210_priv *wil, const u8 *mac);
468 
469 void __iomem *wmi_buffer(struct wil6210_priv *wil, __le32 ptr);
470 void __iomem *wmi_addr(struct wil6210_priv *wil, u32 ptr);
471 int wmi_read_hdr(struct wil6210_priv *wil, __le32 ptr,
472 		 struct wil6210_mbox_hdr *hdr);
473 int wmi_send(struct wil6210_priv *wil, u16 cmdid, void *buf, u16 len);
474 void wmi_recv_cmd(struct wil6210_priv *wil);
475 int wmi_call(struct wil6210_priv *wil, u16 cmdid, void *buf, u16 len,
476 	     u16 reply_id, void *reply, u8 reply_size, int to_msec);
477 void wmi_event_worker(struct work_struct *work);
478 void wmi_event_flush(struct wil6210_priv *wil);
479 int wmi_set_ssid(struct wil6210_priv *wil, u8 ssid_len, const void *ssid);
480 int wmi_get_ssid(struct wil6210_priv *wil, u8 *ssid_len, void *ssid);
481 int wmi_set_channel(struct wil6210_priv *wil, int channel);
482 int wmi_get_channel(struct wil6210_priv *wil, int *channel);
483 int wmi_del_cipher_key(struct wil6210_priv *wil, u8 key_index,
484 		       const void *mac_addr);
485 int wmi_add_cipher_key(struct wil6210_priv *wil, u8 key_index,
486 		       const void *mac_addr, int key_len, const void *key);
487 int wmi_echo(struct wil6210_priv *wil);
488 int wmi_set_ie(struct wil6210_priv *wil, u8 type, u16 ie_len, const void *ie);
489 int wmi_rx_chain_add(struct wil6210_priv *wil, struct vring *vring);
490 int wmi_p2p_cfg(struct wil6210_priv *wil, int channel);
491 int wmi_rxon(struct wil6210_priv *wil, bool on);
492 int wmi_get_temperature(struct wil6210_priv *wil, u32 *t_m, u32 *t_r);
493 int wmi_disconnect_sta(struct wil6210_priv *wil, const u8 *mac, u16 reason);
494 
495 void wil6210_clear_irq(struct wil6210_priv *wil);
496 int wil6210_init_irq(struct wil6210_priv *wil, int irq);
497 void wil6210_fini_irq(struct wil6210_priv *wil, int irq);
498 void wil6210_disable_irq(struct wil6210_priv *wil);
499 void wil6210_enable_irq(struct wil6210_priv *wil);
500 
501 int wil6210_debugfs_init(struct wil6210_priv *wil);
502 void wil6210_debugfs_remove(struct wil6210_priv *wil);
503 
504 struct wireless_dev *wil_cfg80211_init(struct device *dev);
505 void wil_wdev_free(struct wil6210_priv *wil);
506 
507 int wmi_set_mac_address(struct wil6210_priv *wil, void *addr);
508 int wmi_pcp_start(struct wil6210_priv *wil, int bi, u8 wmi_nettype, u8 chan);
509 int wmi_pcp_stop(struct wil6210_priv *wil);
510 void wil6210_disconnect(struct wil6210_priv *wil, void *bssid);
511 
512 int wil_rx_init(struct wil6210_priv *wil);
513 void wil_rx_fini(struct wil6210_priv *wil);
514 
515 /* TX API */
516 int wil_vring_init_tx(struct wil6210_priv *wil, int id, int size,
517 		      int cid, int tid);
518 void wil_vring_fini_tx(struct wil6210_priv *wil, int id);
519 
520 netdev_tx_t wil_start_xmit(struct sk_buff *skb, struct net_device *ndev);
521 int wil_tx_complete(struct wil6210_priv *wil, int ringid);
522 void wil6210_unmask_irq_tx(struct wil6210_priv *wil);
523 
524 /* RX API */
525 void wil_rx_handle(struct wil6210_priv *wil, int *quota);
526 void wil6210_unmask_irq_rx(struct wil6210_priv *wil);
527 
528 int wil_iftype_nl2wmi(enum nl80211_iftype type);
529 
530 #endif /* __WIL6210_H__ */
531