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Vladimir Kondratiev2be7d222012-12-20 13:13:19 -08001/*
Vladimir Kondratiev02525a72014-08-06 10:31:51 +03002 * Copyright (c) 2012-2014 Qualcomm Atheros, Inc.
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -08003 *
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>
Vladimir Kondratiev7c0acf82014-06-16 19:37:05 +030023#include <linux/timex.h>
Vladimir Kondratievf772ebf2014-09-10 16:34:35 +030024#include "wil_platform.h"
25
Vladimir Kondratievc33407a2014-10-01 15:05:24 +030026extern bool no_fw_recovery;
Vladimir Kondratiev9a06bec2014-10-28 16:51:27 +020027extern unsigned int mtu_max;
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -080028
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -080029#define WIL_NAME "wil6210"
Vladimir Kondratiev151a9702014-09-10 16:34:30 +030030#define WIL_FW_NAME "wil6210.fw"
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -080031
Vladimir Kondratievf772ebf2014-09-10 16:34:35 +030032#define WIL_MAX_BUS_REQUEST_KBPS 800000 /* ~6.1Gbps */
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -080033
Vladimir Kondratiev65082812014-07-14 09:49:37 +030034struct wil_board {
35 int board;
36#define WIL_BOARD_MARLON (1)
37#define WIL_BOARD_SPARROW (2)
38 const char * const name;
39};
40
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -080041/**
42 * extract bits [@b0:@b1] (inclusive) from the value @x
43 * it should be @b0 <= @b1, or result is incorrect
44 */
45static inline u32 WIL_GET_BITS(u32 x, int b0, int b1)
46{
47 return (x >> b0) & ((1 << (b1 - b0 + 1)) - 1);
48}
49
50#define WIL6210_MEM_SIZE (2*1024*1024UL)
51
Vladimir Kondratievd3762b42014-12-01 15:35:02 +020052#define WIL_RX_RING_SIZE_ORDER_DEFAULT (9)
53#define WIL_TX_RING_SIZE_ORDER_DEFAULT (9)
54/* limit ring size in range [32..32k] */
55#define WIL_RING_SIZE_ORDER_MIN (5)
56#define WIL_RING_SIZE_ORDER_MAX (15)
Vladimir Kondratieve0287c42013-05-12 14:43:36 +030057#define WIL6210_MAX_TX_RINGS (24) /* HW limit */
58#define WIL6210_MAX_CID (8) /* HW limit */
59#define WIL6210_NAPI_BUDGET (16) /* arbitrary */
Vladimir Kondratiev32772132014-12-23 09:47:03 +020060#define WIL_MAX_AMPDU_SIZE (64 * 1024) /* FW/HW limit */
61#define WIL_MAX_AGG_WSIZE (32) /* FW/HW limit */
62/* Hardware offload block adds the following:
63 * 26 bytes - 3-address QoS data header
64 * 8 bytes - SNAP
65 * 4 bytes - CRC
66 * 24 bytes - security related (if connection is secure)
67 */
68#define WIL_MAX_MPDU_OVERHEAD (62)
Vladimir Kondratievb6b1b0e2014-09-22 15:31:41 +030069/* Max supported by wil6210 value for interrupt threshold is 5sec. */
70#define WIL6210_ITR_TRSH_MAX (5000000)
71#define WIL6210_ITR_TRSH_DEFAULT (300) /* usec */
Vladimir Kondratievfc219ee2014-05-27 14:45:45 +030072#define WIL6210_FW_RECOVERY_RETRIES (5) /* try to recover this many times */
73#define WIL6210_FW_RECOVERY_TO msecs_to_jiffies(5000)
Vladimir Kondratiev047e5d72014-05-27 14:45:48 +030074#define WIL6210_SCAN_TO msecs_to_jiffies(10000)
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -080075
76/* Hardware definitions begin */
77
78/*
79 * Mapping
80 * RGF File | Host addr | FW addr
81 * | |
82 * user_rgf | 0x000000 | 0x880000
83 * dma_rgf | 0x001000 | 0x881000
84 * pcie_rgf | 0x002000 | 0x882000
85 * | |
86 */
87
88/* Where various structures placed in host address space */
89#define WIL6210_FW_HOST_OFF (0x880000UL)
90
91#define HOSTADDR(fwaddr) (fwaddr - WIL6210_FW_HOST_OFF)
92
93/*
94 * Interrupt control registers block
95 *
96 * each interrupt controlled by the same bit in all registers
97 */
98struct RGF_ICR {
99 u32 ICC; /* Cause Control, RW: 0 - W1C, 1 - COR */
100 u32 ICR; /* Cause, W1C/COR depending on ICC */
101 u32 ICM; /* Cause masked (ICR & ~IMV), W1C/COR depending on ICC */
102 u32 ICS; /* Cause Set, WO */
103 u32 IMV; /* Mask, RW+S/C */
104 u32 IMS; /* Mask Set, write 1 to set */
105 u32 IMC; /* Mask Clear, write 1 to clear */
106} __packed;
107
108/* registers - FW addresses */
Vladimir Kondratievb373de72014-07-14 09:49:42 +0300109#define RGF_USER_USAGE_1 (0x880004)
Vladimir Kondratiev151a9702014-09-10 16:34:30 +0300110#define RGF_USER_USAGE_6 (0x880018)
Vladimir Kondratievd28bcc32014-03-17 15:34:23 +0200111#define RGF_USER_HW_MACHINE_STATE (0x8801dc)
112 #define HW_MACHINE_BOOT_DONE (0x3fffffd)
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800113#define RGF_USER_USER_CPU_0 (0x8801e0)
Vladimir Kondratiev151a9702014-09-10 16:34:30 +0300114 #define BIT_USER_USER_CPU_MAN_RST BIT(1) /* user_cpu_man_rst */
Vladimir Kondratiev17123992014-03-17 15:34:14 +0200115#define RGF_USER_MAC_CPU_0 (0x8801fc)
Vladimir Kondratiev151a9702014-09-10 16:34:30 +0300116 #define BIT_USER_MAC_CPU_MAN_RST BIT(1) /* mac_cpu_man_rst */
Vladimir Kondratiev17123992014-03-17 15:34:14 +0200117#define RGF_USER_USER_SCRATCH_PAD (0x8802bc)
118#define RGF_USER_FW_REV_ID (0x880a8c) /* chip revision */
Vladimir Kondratiev972072a2014-03-17 15:34:15 +0200119#define RGF_USER_CLKS_CTL_0 (0x880abc)
Vladimir Kondratiev151a9702014-09-10 16:34:30 +0300120 #define BIT_USER_CLKS_CAR_AHB_SW_SEL BIT(1) /* ref clk/PLL */
Vladimir Kondratiev972072a2014-03-17 15:34:15 +0200121 #define BIT_USER_CLKS_RST_PWGD BIT(11) /* reset on "power good" */
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800122#define RGF_USER_CLKS_CTL_SW_RST_VEC_0 (0x880b04)
123#define RGF_USER_CLKS_CTL_SW_RST_VEC_1 (0x880b08)
124#define RGF_USER_CLKS_CTL_SW_RST_VEC_2 (0x880b0c)
125#define RGF_USER_CLKS_CTL_SW_RST_VEC_3 (0x880b10)
Vladimir Kondratiev17123992014-03-17 15:34:14 +0200126#define RGF_USER_CLKS_CTL_SW_RST_MASK_0 (0x880b14)
Vladimir Kondratiev151a9702014-09-10 16:34:30 +0300127 #define BIT_HPAL_PERST_FROM_PAD BIT(6)
128 #define BIT_CAR_PERST_RST BIT(7)
Vladimir Kondratiev17123992014-03-17 15:34:14 +0200129#define RGF_USER_USER_ICR (0x880b4c) /* struct RGF_ICR */
130 #define BIT_USER_USER_ICR_SW_INT_2 BIT(18)
Vladimir Kondratiev65082812014-07-14 09:49:37 +0300131#define RGF_USER_CLKS_CTL_EXT_SW_RST_VEC_0 (0x880c18)
Vladimir Kondratiev151a9702014-09-10 16:34:30 +0300132#define RGF_USER_CLKS_CTL_EXT_SW_RST_VEC_1 (0x880c2c)
Vladimir Kondratiev48516292014-10-28 16:50:07 +0200133#define RGF_USER_SPARROW_M_4 (0x880c50) /* Sparrow */
134 #define BIT_SPARROW_M_4_SEL_SLEEP_OR_REF BIT(2)
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800135
136#define RGF_DMA_EP_TX_ICR (0x881bb4) /* struct RGF_ICR */
137 #define BIT_DMA_EP_TX_ICR_TX_DONE BIT(0)
138 #define BIT_DMA_EP_TX_ICR_TX_DONE_N(n) BIT(n+1) /* n = [0..23] */
139#define RGF_DMA_EP_RX_ICR (0x881bd0) /* struct RGF_ICR */
140 #define BIT_DMA_EP_RX_ICR_RX_DONE BIT(0)
Vladimir Kondratiev40e391b2014-12-01 15:33:16 +0200141 #define BIT_DMA_EP_RX_ICR_RX_HTRSH BIT(1)
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800142#define RGF_DMA_EP_MISC_ICR (0x881bec) /* struct RGF_ICR */
143 #define BIT_DMA_EP_MISC_ICR_RX_HTRSH BIT(0)
144 #define BIT_DMA_EP_MISC_ICR_TX_NO_ACT BIT(1)
Vladimir Kondratiev72694942013-01-28 18:30:56 +0200145 #define BIT_DMA_EP_MISC_ICR_FW_INT(n) BIT(28+n) /* n = [0..3] */
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800146
147/* Interrupt moderation control */
148#define RGF_DMA_ITR_CNT_TRSH (0x881c5c)
149#define RGF_DMA_ITR_CNT_DATA (0x881c60)
Vladimir Kondratiev17123992014-03-17 15:34:14 +0200150#define RGF_DMA_ITR_CNT_CRL (0x881c64)
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800151 #define BIT_DMA_ITR_CNT_CRL_EN BIT(0)
152 #define BIT_DMA_ITR_CNT_CRL_EXT_TICK BIT(1)
153 #define BIT_DMA_ITR_CNT_CRL_FOREVER BIT(2)
154 #define BIT_DMA_ITR_CNT_CRL_CLR BIT(3)
155 #define BIT_DMA_ITR_CNT_CRL_REACH_TRSH BIT(4)
156
Vladimir Kondratiev17123992014-03-17 15:34:14 +0200157#define RGF_DMA_PSEUDO_CAUSE (0x881c68)
158#define RGF_DMA_PSEUDO_CAUSE_MASK_SW (0x881c6c)
159#define RGF_DMA_PSEUDO_CAUSE_MASK_FW (0x881c70)
160 #define BIT_DMA_PSEUDO_CAUSE_RX BIT(0)
161 #define BIT_DMA_PSEUDO_CAUSE_TX BIT(1)
162 #define BIT_DMA_PSEUDO_CAUSE_MISC BIT(2)
163
Vladimir Kondratiev65082812014-07-14 09:49:37 +0300164#define RGF_HP_CTRL (0x88265c)
Vladimir Kondratiev17123992014-03-17 15:34:14 +0200165#define RGF_PCIE_LOS_COUNTER_CTL (0x882dc4)
166
Vladimir Kondratiev91b775e2014-08-06 10:31:49 +0300167/* MAC timer, usec, for packet lifetime */
168#define RGF_MAC_MTRL_COUNTER_0 (0x886aa8)
169
Vladimir Kondratiev151a9702014-09-10 16:34:30 +0300170#define RGF_CAF_ICR (0x88946c) /* struct RGF_ICR */
Vladimir Kondratiev48516292014-10-28 16:50:07 +0200171#define RGF_CAF_OSC_CONTROL (0x88afa4)
172 #define BIT_CAF_OSC_XTAL_EN BIT(0)
173#define RGF_CAF_PLL_LOCK_STATUS (0x88afec)
174 #define BIT_CAF_OSC_DIG_XTAL_STABLE BIT(0)
Vladimir Kondratiev151a9702014-09-10 16:34:30 +0300175
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800176/* popular locations */
177#define HOST_MBOX HOSTADDR(RGF_USER_USER_SCRATCH_PAD)
178#define HOST_SW_INT (HOSTADDR(RGF_USER_USER_ICR) + \
179 offsetof(struct RGF_ICR, ICS))
180#define SW_INT_MBOX BIT_USER_USER_ICR_SW_INT_2
181
182/* ISR register bits */
Vladimir Kondratiev72694942013-01-28 18:30:56 +0200183#define ISR_MISC_FW_READY BIT_DMA_EP_MISC_ICR_FW_INT(0)
184#define ISR_MISC_MBOX_EVT BIT_DMA_EP_MISC_ICR_FW_INT(1)
185#define ISR_MISC_FW_ERROR BIT_DMA_EP_MISC_ICR_FW_INT(3)
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800186
187/* Hardware definitions end */
Vladimir Kondratievb541d0a2014-07-14 09:49:41 +0300188struct fw_map {
189 u32 from; /* linker address - from, inclusive */
190 u32 to; /* linker address - to, exclusive */
191 u32 host; /* PCI/Host address - BAR0 + 0x880000 */
192 const char *name; /* for debugfs */
193};
Vladimir Kondratiev8fe59622014-09-10 16:34:34 +0300194
Vladimir Kondratievb541d0a2014-07-14 09:49:41 +0300195/* array size should be in sync with actual definition in the wmi.c */
Vladimir Kondratiev72269142014-07-14 09:49:43 +0300196extern const struct fw_map fw_mapping[7];
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800197
Vladimir Kondratieva70abea2014-03-17 15:34:05 +0200198/**
199 * mk_cidxtid - construct @cidxtid field
200 * @cid: CID value
201 * @tid: TID value
202 *
203 * @cidxtid field encoded as bits 0..3 - CID; 4..7 - TID
204 */
205static inline u8 mk_cidxtid(u8 cid, u8 tid)
206{
207 return ((tid & 0xf) << 4) | (cid & 0xf);
208}
209
210/**
211 * parse_cidxtid - parse @cidxtid field
212 * @cid: store CID value here
213 * @tid: store TID value here
214 *
215 * @cidxtid field encoded as bits 0..3 - CID; 4..7 - TID
216 */
217static inline void parse_cidxtid(u8 cidxtid, u8 *cid, u8 *tid)
218{
219 *cid = cidxtid & 0xf;
220 *tid = (cidxtid >> 4) & 0xf;
221}
222
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800223struct wil6210_mbox_ring {
224 u32 base;
225 u16 entry_size; /* max. size of mbox entry, incl. all headers */
226 u16 size;
227 u32 tail;
228 u32 head;
229} __packed;
230
231struct wil6210_mbox_ring_desc {
232 __le32 sync;
233 __le32 addr;
234} __packed;
235
236/* at HOST_OFF_WIL6210_MBOX_CTL */
237struct wil6210_mbox_ctl {
238 struct wil6210_mbox_ring tx;
239 struct wil6210_mbox_ring rx;
240} __packed;
241
242struct wil6210_mbox_hdr {
243 __le16 seq;
244 __le16 len; /* payload, bytes after this header */
245 __le16 type;
246 u8 flags;
247 u8 reserved;
248} __packed;
249
250#define WIL_MBOX_HDR_TYPE_WMI (0)
251
252/* max. value for wil6210_mbox_hdr.len */
253#define MAX_MBOXITEM_SIZE (240)
254
Vladimir Kondratievf988b232013-07-11 18:03:37 +0300255/**
256 * struct wil6210_mbox_hdr_wmi - WMI header
257 *
258 * @mid: MAC ID
259 * 00 - default, created by FW
260 * 01..0f - WiFi ports, driver to create
261 * 10..fe - debug
262 * ff - broadcast
263 * @id: command/event ID
264 * @timestamp: FW fills for events, free-running msec timer
265 */
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800266struct wil6210_mbox_hdr_wmi {
Vladimir Kondratievf988b232013-07-11 18:03:37 +0300267 u8 mid;
268 u8 reserved;
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800269 __le16 id;
Vladimir Kondratievf988b232013-07-11 18:03:37 +0300270 __le32 timestamp;
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800271} __packed;
272
273struct pending_wmi_event {
274 struct list_head list;
275 struct {
276 struct wil6210_mbox_hdr hdr;
277 struct wil6210_mbox_hdr_wmi wmi;
278 u8 data[0];
279 } __packed event;
280};
281
Vladimir Kondratiev2232abd2014-03-17 15:34:09 +0200282enum { /* for wil_ctx.mapped_as */
283 wil_mapped_as_none = 0,
284 wil_mapped_as_single = 1,
285 wil_mapped_as_page = 2,
286};
287
Vladimir Kondratievf88f1132013-07-11 18:03:40 +0300288/**
289 * struct wil_ctx - software context for Vring descriptor
290 */
291struct wil_ctx {
292 struct sk_buff *skb;
Vladimir Kondratievc2366582014-03-17 15:34:08 +0200293 u8 nr_frags;
Vladimir Kondratiev2232abd2014-03-17 15:34:09 +0200294 u8 mapped_as;
Vladimir Kondratievf88f1132013-07-11 18:03:40 +0300295};
296
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800297union vring_desc;
298
299struct vring {
300 dma_addr_t pa;
301 volatile union vring_desc *va; /* vring_desc[size], WriteBack by DMA */
302 u16 size; /* number of vring_desc elements */
303 u32 swtail;
304 u32 swhead;
305 u32 hwtail; /* write here to inform hw */
Vladimir Kondratievf88f1132013-07-11 18:03:40 +0300306 struct wil_ctx *ctx; /* ctx[size] - software context */
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800307};
308
Vladimir Kondratiev097638a2014-03-17 15:34:25 +0200309/**
310 * Additional data for Tx Vring
311 */
312struct vring_tx_data {
313 int enabled;
Vladimir Kondratiev7c0acf82014-06-16 19:37:05 +0300314 cycles_t idle, last_idle, begin;
Vladimir Kondratiev32772132014-12-23 09:47:03 +0200315 u8 agg_wsize; /* agreed aggregation window, 0 - no agg */
316 u16 agg_timeout;
Vladimir Kondratiev3a124ed2014-12-23 09:47:04 +0200317 bool addba_in_progress; /* if set, agg_xxx is for request in progress */
Vladimir Kondratiev097638a2014-03-17 15:34:25 +0200318};
319
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800320enum { /* for wil6210_priv.status */
321 wil_status_fwready = 0,
Vladimir Kondratievb338f742013-05-28 15:17:53 +0300322 wil_status_fwconnecting,
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800323 wil_status_fwconnected,
324 wil_status_dontscan,
Vladimir Kondratiev55f7acd2013-03-13 14:12:49 +0200325 wil_status_reset_done,
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800326 wil_status_irqen, /* FIXME: interrupts enabled - for debug */
Vladimir Kondratiev0fef1812014-03-17 15:34:18 +0200327 wil_status_napi_en, /* NAPI enabled protected by wil->mutex */
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800328};
329
330struct pci_dev;
331
Vladimir Kondratievb4490f42014-02-27 16:20:44 +0200332/**
333 * struct tid_ampdu_rx - TID aggregation information (Rx).
334 *
335 * @reorder_buf: buffer to reorder incoming aggregated MPDUs
336 * @reorder_time: jiffies when skb was added
337 * @session_timer: check if peer keeps Tx-ing on the TID (by timeout value)
338 * @reorder_timer: releases expired frames from the reorder buffer.
339 * @last_rx: jiffies of last rx activity
340 * @head_seq_num: head sequence number in reordering buffer.
341 * @stored_mpdu_num: number of MPDUs in reordering buffer
342 * @ssn: Starting Sequence Number expected to be aggregated.
343 * @buf_size: buffer size for incoming A-MPDUs
344 * @timeout: reset timer value (in TUs).
345 * @dialog_token: dialog token for aggregation session
346 * @rcu_head: RCU head used for freeing this struct
Vladimir Kondratievb4490f42014-02-27 16:20:44 +0200347 *
348 * This structure's lifetime is managed by RCU, assignments to
349 * the array holding it must hold the aggregation mutex.
350 *
Vladimir Kondratievb4490f42014-02-27 16:20:44 +0200351 */
352struct wil_tid_ampdu_rx {
Vladimir Kondratievb4490f42014-02-27 16:20:44 +0200353 struct sk_buff **reorder_buf;
354 unsigned long *reorder_time;
355 struct timer_list session_timer;
356 struct timer_list reorder_timer;
357 unsigned long last_rx;
358 u16 head_seq_num;
359 u16 stored_mpdu_num;
360 u16 ssn;
361 u16 buf_size;
362 u16 timeout;
Vladimir Kondratievd5b1c322014-06-16 19:37:07 +0300363 u16 ssn_last_drop;
Vladimir Kondratievb4490f42014-02-27 16:20:44 +0200364 u8 dialog_token;
Vladimir Kondratievc888cdd2014-04-08 11:36:18 +0300365 bool first_time; /* is it 1-st time this buffer used? */
Vladimir Kondratievb4490f42014-02-27 16:20:44 +0200366};
367
Vladimir Kondratiev3df2cd362014-02-27 16:20:43 +0200368enum wil_sta_status {
369 wil_sta_unused = 0,
370 wil_sta_conn_pending = 1,
371 wil_sta_connected = 2,
372};
Vladimir Kondratievb4490f42014-02-27 16:20:44 +0200373
374#define WIL_STA_TID_NUM (16)
375
Vladimir Kondratievc8b78b52014-02-27 16:20:49 +0200376struct wil_net_stats {
377 unsigned long rx_packets;
378 unsigned long tx_packets;
379 unsigned long rx_bytes;
380 unsigned long tx_bytes;
381 unsigned long tx_errors;
382 unsigned long rx_dropped;
383 u16 last_mcs_rx;
384};
385
Vladimir Kondratiev3df2cd362014-02-27 16:20:43 +0200386/**
387 * struct wil_sta_info - data for peer
388 *
389 * Peer identified by its CID (connection ID)
390 * NIC performs beam forming for each peer;
391 * if no beam forming done, frame exchange is not
392 * possible.
393 */
394struct wil_sta_info {
395 u8 addr[ETH_ALEN];
396 enum wil_sta_status status;
Vladimir Kondratievc8b78b52014-02-27 16:20:49 +0200397 struct wil_net_stats stats;
Vladimir Kondratieve58c9f72014-03-17 15:34:06 +0200398 bool data_port_open; /* can send any data, not only EAPOL */
Vladimir Kondratievb4490f42014-02-27 16:20:44 +0200399 /* Rx BACK */
400 struct wil_tid_ampdu_rx *tid_rx[WIL_STA_TID_NUM];
Dedy Lanskyec81b5a2014-09-10 16:34:42 +0300401 spinlock_t tid_rx_lock; /* guarding tid_rx array */
Vladimir Kondratievb4490f42014-02-27 16:20:44 +0200402 unsigned long tid_rx_timer_expired[BITS_TO_LONGS(WIL_STA_TID_NUM)];
403 unsigned long tid_rx_stop_requested[BITS_TO_LONGS(WIL_STA_TID_NUM)];
Vladimir Kondratiev3df2cd362014-02-27 16:20:43 +0200404};
405
Vladimir Kondratievc33407a2014-10-01 15:05:24 +0300406enum {
407 fw_recovery_idle = 0,
408 fw_recovery_pending = 1,
409 fw_recovery_running = 2,
410};
411
Vladimir Kondratiev32772132014-12-23 09:47:03 +0200412struct wil_back_rx {
413 struct list_head list;
414 /* request params, converted to CPU byte order - what we asked for */
415 u8 cidxtid;
416 u8 dialog_token;
417 u16 ba_param_set;
418 u16 ba_timeout;
419 u16 ba_seq_ctrl;
420};
421
Vladimir Kondratiev3a124ed2014-12-23 09:47:04 +0200422struct wil_back_tx {
423 struct list_head list;
424 /* request params, converted to CPU byte order - what we asked for */
425 u8 ringid;
426 u8 agg_wsize;
427 u16 agg_timeout;
428};
429
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800430struct wil6210_priv {
431 struct pci_dev *pdev;
432 int n_msi;
433 struct wireless_dev *wdev;
434 void __iomem *csr;
435 ulong status;
Vladimir Kondratievb8023172013-03-13 14:12:50 +0200436 u32 fw_version;
Vladimir Kondratiev36b10a72014-03-17 15:34:10 +0200437 u32 hw_version;
Vladimir Kondratiev65082812014-07-14 09:49:37 +0300438 struct wil_board *board;
Vladimir Kondratievb8023172013-03-13 14:12:50 +0200439 u8 n_mids; /* number of additional MIDs as reported by FW */
Vladimir Kondratievc33407a2014-10-01 15:05:24 +0300440 u32 recovery_count; /* num of FW recovery attempts in a short time */
441 u32 recovery_state; /* FW recovery state machine */
Vladimir Kondratievfc219ee2014-05-27 14:45:45 +0300442 unsigned long last_fw_recovery; /* jiffies of last fw recovery */
Vladimir Kondratievc33407a2014-10-01 15:05:24 +0300443 wait_queue_head_t wq; /* for all wait_event() use */
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800444 /* profile */
445 u32 monitor_flags;
446 u32 secure_pcp; /* create secure PCP? */
447 int sinfo_gen;
Vladimir Kondratievb6b1b0e2014-09-22 15:31:41 +0300448 u32 itr_trsh;
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800449 /* cached ISR registers */
450 u32 isr_misc;
451 /* mailbox related */
452 struct mutex wmi_mutex;
453 struct wil6210_mbox_ctl mbox_ctl;
454 struct completion wmi_ready;
Dedy Lansky59502642014-09-10 16:34:46 +0300455 struct completion wmi_call;
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800456 u16 wmi_seq;
457 u16 reply_id; /**< wait for this WMI event */
458 void *reply_buf;
459 u16 reply_size;
460 struct workqueue_struct *wmi_wq; /* for deferred calls */
461 struct work_struct wmi_event_worker;
Vladimir Kondratiev32772132014-12-23 09:47:03 +0200462 struct workqueue_struct *wq_service;
Vladimir Kondratievd81079f2013-03-13 14:12:43 +0200463 struct work_struct connect_worker;
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800464 struct work_struct disconnect_worker;
Vladimir Kondratieved6f9dc2014-03-17 15:34:19 +0200465 struct work_struct fw_error_worker; /* for FW error recovery */
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800466 struct timer_list connect_timer;
Vladimir Kondratiev047e5d72014-05-27 14:45:48 +0300467 struct timer_list scan_timer; /* detect scan timeout */
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800468 int pending_connect_cid;
469 struct list_head pending_wmi_ev;
470 /*
471 * protect pending_wmi_ev
472 * - fill in IRQ from wil6210_irq_misc,
473 * - consumed in thread by wmi_event_worker
474 */
475 spinlock_t wmi_ev_lock;
Vladimir Kondratieve0287c42013-05-12 14:43:36 +0300476 struct napi_struct napi_rx;
477 struct napi_struct napi_tx;
Vladimir Kondratiev32772132014-12-23 09:47:03 +0200478 /* BACK */
479 struct list_head back_rx_pending;
480 struct mutex back_rx_mutex; /* protect @back_rx_pending */
481 struct work_struct back_rx_worker;
Vladimir Kondratiev3a124ed2014-12-23 09:47:04 +0200482 struct list_head back_tx_pending;
483 struct mutex back_tx_mutex; /* protect @back_tx_pending */
484 struct work_struct back_tx_worker;
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800485 /* DMA related */
486 struct vring vring_rx;
487 struct vring vring_tx[WIL6210_MAX_TX_RINGS];
Vladimir Kondratiev097638a2014-03-17 15:34:25 +0200488 struct vring_tx_data vring_tx_data[WIL6210_MAX_TX_RINGS];
Vladimir Kondratiev3df2cd362014-02-27 16:20:43 +0200489 u8 vring2cid_tid[WIL6210_MAX_TX_RINGS][2]; /* [0] - CID, [1] - TID */
490 struct wil_sta_info sta[WIL6210_MAX_CID];
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800491 /* scan */
492 struct cfg80211_scan_request *scan_request;
493
494 struct mutex mutex; /* for wil6210_priv access in wil_{up|down} */
495 /* statistics */
Vladimir Kondratievbe299852014-06-16 19:37:22 +0300496 atomic_t isr_count_rx, isr_count_tx;
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800497 /* debugfs */
498 struct dentry *debug;
Vladimir Kondratievb541d0a2014-07-14 09:49:41 +0300499 struct debugfs_blob_wrapper blobs[ARRAY_SIZE(fw_mapping)];
Vladimir Kondratievf772ebf2014-09-10 16:34:35 +0300500
501 void *platform_handle;
502 struct wil_platform_ops platform_ops;
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800503};
504
505#define wil_to_wiphy(i) (i->wdev->wiphy)
506#define wil_to_dev(i) (wiphy_dev(wil_to_wiphy(i)))
507#define wiphy_to_wil(w) (struct wil6210_priv *)(wiphy_priv(w))
508#define wil_to_wdev(i) (i->wdev)
509#define wdev_to_wil(w) (struct wil6210_priv *)(wdev_priv(w))
510#define wil_to_ndev(i) (wil_to_wdev(i)->netdev)
511#define ndev_to_wil(n) (wdev_to_wil(n->ieee80211_ptr))
512
Joe Perchesbabcb3e2014-09-22 10:35:34 -0700513__printf(2, 3)
David S. Miller57219dc2014-09-26 15:19:05 -0400514void wil_dbg_trace(struct wil6210_priv *wil, const char *fmt, ...);
Joe Perchesbabcb3e2014-09-22 10:35:34 -0700515__printf(2, 3)
David S. Miller57219dc2014-09-26 15:19:05 -0400516void wil_err(struct wil6210_priv *wil, const char *fmt, ...);
Joe Perchesbabcb3e2014-09-22 10:35:34 -0700517__printf(2, 3)
Vladimir Kondratiev40e391b2014-12-01 15:33:16 +0200518void wil_err_ratelimited(struct wil6210_priv *wil, const char *fmt, ...);
519__printf(2, 3)
David S. Miller57219dc2014-09-26 15:19:05 -0400520void wil_info(struct wil6210_priv *wil, const char *fmt, ...);
Vladimir Kondratiev98658092013-05-12 14:43:35 +0300521#define wil_dbg(wil, fmt, arg...) do { \
522 netdev_dbg(wil_to_ndev(wil), fmt, ##arg); \
523 wil_dbg_trace(wil, fmt, ##arg); \
524} while (0)
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800525
Vladimir Kondratiev77438822013-01-28 18:31:06 +0200526#define wil_dbg_irq(wil, fmt, arg...) wil_dbg(wil, "DBG[ IRQ]" fmt, ##arg)
527#define wil_dbg_txrx(wil, fmt, arg...) wil_dbg(wil, "DBG[TXRX]" fmt, ##arg)
528#define wil_dbg_wmi(wil, fmt, arg...) wil_dbg(wil, "DBG[ WMI]" fmt, ##arg)
529#define wil_dbg_misc(wil, fmt, arg...) wil_dbg(wil, "DBG[MISC]" fmt, ##arg)
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800530
Vladimir Kondratiev871d8c42014-09-10 16:34:39 +0300531#if defined(CONFIG_DYNAMIC_DEBUG)
Vladimir Kondratiev77438822013-01-28 18:31:06 +0200532#define wil_hex_dump_txrx(prefix_str, prefix_type, rowsize, \
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800533 groupsize, buf, len, ascii) \
Vladimir Kondratiev3b0378a2013-03-13 14:12:38 +0200534 print_hex_dump_debug("DBG[TXRX]" prefix_str,\
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800535 prefix_type, rowsize, \
536 groupsize, buf, len, ascii)
537
Vladimir Kondratiev77438822013-01-28 18:31:06 +0200538#define wil_hex_dump_wmi(prefix_str, prefix_type, rowsize, \
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800539 groupsize, buf, len, ascii) \
Vladimir Kondratiev3b0378a2013-03-13 14:12:38 +0200540 print_hex_dump_debug("DBG[ WMI]" prefix_str,\
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800541 prefix_type, rowsize, \
542 groupsize, buf, len, ascii)
Vladimir Kondratieva43b5142014-09-14 11:14:10 +0300543#else /* defined(CONFIG_DYNAMIC_DEBUG) */
544static inline
545void wil_hex_dump_txrx(const char *prefix_str, int prefix_type, int rowsize,
546 int groupsize, const void *buf, size_t len, bool ascii)
547{
548}
549
550static inline
551void wil_hex_dump_wmi(const char *prefix_str, int prefix_type, int rowsize,
552 int groupsize, const void *buf, size_t len, bool ascii)
553{
554}
555#endif /* defined(CONFIG_DYNAMIC_DEBUG) */
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800556
557void wil_memcpy_fromio_32(void *dst, const volatile void __iomem *src,
558 size_t count);
559void wil_memcpy_toio_32(volatile void __iomem *dst, const void *src,
560 size_t count);
561
562void *wil_if_alloc(struct device *dev, void __iomem *csr);
563void wil_if_free(struct wil6210_priv *wil);
564int wil_if_add(struct wil6210_priv *wil);
565void wil_if_remove(struct wil6210_priv *wil);
566int wil_priv_init(struct wil6210_priv *wil);
567void wil_priv_deinit(struct wil6210_priv *wil);
568int wil_reset(struct wil6210_priv *wil);
Vladimir Kondratievb6b1b0e2014-09-22 15:31:41 +0300569void wil_set_itr_trsh(struct wil6210_priv *wil);
Vladimir Kondratieved6f9dc2014-03-17 15:34:19 +0200570void wil_fw_error_recovery(struct wil6210_priv *wil);
Vladimir Kondratievc33407a2014-10-01 15:05:24 +0300571void wil_set_recovery_state(struct wil6210_priv *wil, int state);
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800572void wil_link_on(struct wil6210_priv *wil);
573void wil_link_off(struct wil6210_priv *wil);
574int wil_up(struct wil6210_priv *wil);
Vladimir Kondratiev73d839a2014-09-10 16:34:50 +0300575int __wil_up(struct wil6210_priv *wil);
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800576int wil_down(struct wil6210_priv *wil);
Vladimir Kondratiev73d839a2014-09-10 16:34:50 +0300577int __wil_down(struct wil6210_priv *wil);
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800578void wil_mbox_ring_le2cpus(struct wil6210_mbox_ring *r);
Vladimir Kondratiev3df2cd362014-02-27 16:20:43 +0200579int wil_find_cid(struct wil6210_priv *wil, const u8 *mac);
Vladimir Kondratievb6b1b0e2014-09-22 15:31:41 +0300580void wil_set_ethtoolops(struct net_device *ndev);
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800581
582void __iomem *wmi_buffer(struct wil6210_priv *wil, __le32 ptr);
583void __iomem *wmi_addr(struct wil6210_priv *wil, u32 ptr);
584int wmi_read_hdr(struct wil6210_priv *wil, __le32 ptr,
585 struct wil6210_mbox_hdr *hdr);
586int wmi_send(struct wil6210_priv *wil, u16 cmdid, void *buf, u16 len);
587void wmi_recv_cmd(struct wil6210_priv *wil);
588int wmi_call(struct wil6210_priv *wil, u16 cmdid, void *buf, u16 len,
589 u16 reply_id, void *reply, u8 reply_size, int to_msec);
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800590void wmi_event_worker(struct work_struct *work);
591void wmi_event_flush(struct wil6210_priv *wil);
592int wmi_set_ssid(struct wil6210_priv *wil, u8 ssid_len, const void *ssid);
593int wmi_get_ssid(struct wil6210_priv *wil, u8 *ssid_len, void *ssid);
594int wmi_set_channel(struct wil6210_priv *wil, int channel);
595int wmi_get_channel(struct wil6210_priv *wil, int *channel);
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800596int wmi_del_cipher_key(struct wil6210_priv *wil, u8 key_index,
597 const void *mac_addr);
598int wmi_add_cipher_key(struct wil6210_priv *wil, u8 key_index,
599 const void *mac_addr, int key_len, const void *key);
600int wmi_echo(struct wil6210_priv *wil);
601int wmi_set_ie(struct wil6210_priv *wil, u8 type, u16 ie_len, const void *ie);
Vladimir Kondratiev47e19af2013-01-28 18:30:59 +0200602int wmi_rx_chain_add(struct wil6210_priv *wil, struct vring *vring);
Vladimir Kondratievb8023172013-03-13 14:12:50 +0200603int wmi_p2p_cfg(struct wil6210_priv *wil, int channel);
Vladimir Kondratiev1647f122014-02-27 16:20:40 +0200604int wmi_rxon(struct wil6210_priv *wil, bool on);
Vladimir Kondratiev1a2780e2013-03-13 14:12:51 +0200605int wmi_get_temperature(struct wil6210_priv *wil, u32 *t_m, u32 *t_r);
Vladimir Kondratiev4d55a0a2014-02-27 16:20:54 +0200606int wmi_disconnect_sta(struct wil6210_priv *wil, const u8 *mac, u16 reason);
Vladimir Kondratiev32772132014-12-23 09:47:03 +0200607int wmi_addba(struct wil6210_priv *wil, u8 ringid, u8 size, u16 timeout);
608int wmi_delba(struct wil6210_priv *wil, u8 ringid, u16 reason);
609int wmi_addba_rx_resp(struct wil6210_priv *wil, u8 cid, u8 tid, u8 token,
610 u16 status, bool amsdu, u16 agg_wsize, u16 timeout);
611int wil_addba_rx_request(struct wil6210_priv *wil, u8 cidxtid,
612 u8 dialog_token, __le16 ba_param_set,
613 __le16 ba_timeout, __le16 ba_seq_ctrl);
614void wil_back_rx_worker(struct work_struct *work);
615void wil_back_rx_flush(struct wil6210_priv *wil);
Vladimir Kondratiev3a124ed2014-12-23 09:47:04 +0200616int wil_addba_tx_request(struct wil6210_priv *wil, u8 ringid);
617void wil_back_tx_worker(struct work_struct *work);
618void wil_back_tx_flush(struct wil6210_priv *wil);
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800619
Vladimir Kondratievf4b5a802014-03-17 15:34:13 +0200620void wil6210_clear_irq(struct wil6210_priv *wil);
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800621int wil6210_init_irq(struct wil6210_priv *wil, int irq);
622void wil6210_fini_irq(struct wil6210_priv *wil, int irq);
Vladimir Kondratieve4dbb092014-09-10 16:34:49 +0300623void wil_mask_irq(struct wil6210_priv *wil);
624void wil_unmask_irq(struct wil6210_priv *wil);
Vladimir Kondratiev73d839a2014-09-10 16:34:50 +0300625void wil_disable_irq(struct wil6210_priv *wil);
626void wil_enable_irq(struct wil6210_priv *wil);
Vladimir Kondratiev0b39aaf2014-06-16 19:36:59 +0300627int wil_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
628 struct cfg80211_mgmt_tx_params *params,
629 u64 *cookie);
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800630
631int wil6210_debugfs_init(struct wil6210_priv *wil);
632void wil6210_debugfs_remove(struct wil6210_priv *wil);
Vladimir Kondratiev9eb82d42014-06-16 19:37:13 +0300633int wil_cid_fill_sinfo(struct wil6210_priv *wil, int cid,
634 struct station_info *sinfo);
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800635
636struct wireless_dev *wil_cfg80211_init(struct device *dev);
637void wil_wdev_free(struct wil6210_priv *wil);
638
639int wmi_set_mac_address(struct wil6210_priv *wil, void *addr);
Vladimir Kondratievb8023172013-03-13 14:12:50 +0200640int wmi_pcp_start(struct wil6210_priv *wil, int bi, u8 wmi_nettype, u8 chan);
641int wmi_pcp_stop(struct wil6210_priv *wil);
Vladimir Kondratievb516fcc2014-10-28 16:50:08 +0200642void wil6210_disconnect(struct wil6210_priv *wil, const u8 *bssid,
Vladimir Kondratiev4821e6d2014-12-01 15:33:15 +0200643 u16 reason_code, bool from_event);
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800644
Vladimir Kondratievd3762b42014-12-01 15:35:02 +0200645int wil_rx_init(struct wil6210_priv *wil, u16 size);
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800646void wil_rx_fini(struct wil6210_priv *wil);
647
648/* TX API */
649int wil_vring_init_tx(struct wil6210_priv *wil, int id, int size,
650 int cid, int tid);
651void wil_vring_fini_tx(struct wil6210_priv *wil, int id);
652
653netdev_tx_t wil_start_xmit(struct sk_buff *skb, struct net_device *ndev);
Vladimir Kondratieve0287c42013-05-12 14:43:36 +0300654int wil_tx_complete(struct wil6210_priv *wil, int ringid);
655void wil6210_unmask_irq_tx(struct wil6210_priv *wil);
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800656
657/* RX API */
Vladimir Kondratieve0287c42013-05-12 14:43:36 +0300658void wil_rx_handle(struct wil6210_priv *wil, int *quota);
659void wil6210_unmask_irq_rx(struct wil6210_priv *wil);
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800660
661int wil_iftype_nl2wmi(enum nl80211_iftype type);
662
Vladimir Kondratievdba4b742014-10-01 15:05:25 +0300663int wil_ioctl(struct wil6210_priv *wil, void __user *data, int cmd);
Vladimir Kondratiev151a9702014-09-10 16:34:30 +0300664int wil_request_firmware(struct wil6210_priv *wil, const char *name);
Vladimir Kondratievdba4b742014-10-01 15:05:25 +0300665
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800666#endif /* __WIL6210_H__ */