blob: bedb9ed372f4a97700f396ce24a0f2b0a1690f53 [file] [log] [blame]
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 Kondratiev3a3def82014-12-23 09:47:05 +020028extern int agg_wsize;
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -080029
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -080030#define WIL_NAME "wil6210"
Vladimir Kondratiev151a9702014-09-10 16:34:30 +030031#define WIL_FW_NAME "wil6210.fw"
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -080032
Vladimir Kondratievf772ebf2014-09-10 16:34:35 +030033#define WIL_MAX_BUS_REQUEST_KBPS 800000 /* ~6.1Gbps */
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -080034
Vladimir Kondratiev65082812014-07-14 09:49:37 +030035struct wil_board {
36 int board;
37#define WIL_BOARD_MARLON (1)
38#define WIL_BOARD_SPARROW (2)
39 const char * const name;
40};
41
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -080042/**
43 * extract bits [@b0:@b1] (inclusive) from the value @x
44 * it should be @b0 <= @b1, or result is incorrect
45 */
46static inline u32 WIL_GET_BITS(u32 x, int b0, int b1)
47{
48 return (x >> b0) & ((1 << (b1 - b0 + 1)) - 1);
49}
50
51#define WIL6210_MEM_SIZE (2*1024*1024UL)
52
Vladimir Kondratievd3762b42014-12-01 15:35:02 +020053#define WIL_RX_RING_SIZE_ORDER_DEFAULT (9)
54#define WIL_TX_RING_SIZE_ORDER_DEFAULT (9)
55/* limit ring size in range [32..32k] */
56#define WIL_RING_SIZE_ORDER_MIN (5)
57#define WIL_RING_SIZE_ORDER_MAX (15)
Vladimir Kondratieve0287c42013-05-12 14:43:36 +030058#define WIL6210_MAX_TX_RINGS (24) /* HW limit */
59#define WIL6210_MAX_CID (8) /* HW limit */
60#define WIL6210_NAPI_BUDGET (16) /* arbitrary */
Vladimir Kondratiev32772132014-12-23 09:47:03 +020061#define WIL_MAX_AMPDU_SIZE (64 * 1024) /* FW/HW limit */
62#define WIL_MAX_AGG_WSIZE (32) /* FW/HW limit */
63/* Hardware offload block adds the following:
64 * 26 bytes - 3-address QoS data header
Vladimir Kondratievc44690a2014-12-23 09:47:11 +020065 * 8 bytes - IV + EIV (for GCMP)
Vladimir Kondratiev32772132014-12-23 09:47:03 +020066 * 8 bytes - SNAP
Vladimir Kondratievc44690a2014-12-23 09:47:11 +020067 * 16 bytes - MIC (for GCMP)
Vladimir Kondratiev32772132014-12-23 09:47:03 +020068 * 4 bytes - CRC
Vladimir Kondratiev32772132014-12-23 09:47:03 +020069 */
70#define WIL_MAX_MPDU_OVERHEAD (62)
Vladimir Kondratievc44690a2014-12-23 09:47:11 +020071
72/* Calculate MAC buffer size for the firmware. It includes all overhead,
73 * as it will go over the air, and need to be 8 byte aligned
74 */
75static inline u32 wil_mtu2macbuf(u32 mtu)
76{
77 return ALIGN(mtu + WIL_MAX_MPDU_OVERHEAD, 8);
78}
79
Vladimir Kondratievb6b1b0e2014-09-22 15:31:41 +030080/* Max supported by wil6210 value for interrupt threshold is 5sec. */
81#define WIL6210_ITR_TRSH_MAX (5000000)
82#define WIL6210_ITR_TRSH_DEFAULT (300) /* usec */
Vladimir Kondratievfc219ee2014-05-27 14:45:45 +030083#define WIL6210_FW_RECOVERY_RETRIES (5) /* try to recover this many times */
84#define WIL6210_FW_RECOVERY_TO msecs_to_jiffies(5000)
Vladimir Kondratiev047e5d72014-05-27 14:45:48 +030085#define WIL6210_SCAN_TO msecs_to_jiffies(10000)
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -080086
87/* Hardware definitions begin */
88
89/*
90 * Mapping
91 * RGF File | Host addr | FW addr
92 * | |
93 * user_rgf | 0x000000 | 0x880000
94 * dma_rgf | 0x001000 | 0x881000
95 * pcie_rgf | 0x002000 | 0x882000
96 * | |
97 */
98
99/* Where various structures placed in host address space */
100#define WIL6210_FW_HOST_OFF (0x880000UL)
101
102#define HOSTADDR(fwaddr) (fwaddr - WIL6210_FW_HOST_OFF)
103
104/*
105 * Interrupt control registers block
106 *
107 * each interrupt controlled by the same bit in all registers
108 */
109struct RGF_ICR {
110 u32 ICC; /* Cause Control, RW: 0 - W1C, 1 - COR */
111 u32 ICR; /* Cause, W1C/COR depending on ICC */
112 u32 ICM; /* Cause masked (ICR & ~IMV), W1C/COR depending on ICC */
113 u32 ICS; /* Cause Set, WO */
114 u32 IMV; /* Mask, RW+S/C */
115 u32 IMS; /* Mask Set, write 1 to set */
116 u32 IMC; /* Mask Clear, write 1 to clear */
117} __packed;
118
119/* registers - FW addresses */
Vladimir Kondratievb373de72014-07-14 09:49:42 +0300120#define RGF_USER_USAGE_1 (0x880004)
Vladimir Kondratiev151a9702014-09-10 16:34:30 +0300121#define RGF_USER_USAGE_6 (0x880018)
Vladimir Kondratievd28bcc32014-03-17 15:34:23 +0200122#define RGF_USER_HW_MACHINE_STATE (0x8801dc)
123 #define HW_MACHINE_BOOT_DONE (0x3fffffd)
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800124#define RGF_USER_USER_CPU_0 (0x8801e0)
Vladimir Kondratiev151a9702014-09-10 16:34:30 +0300125 #define BIT_USER_USER_CPU_MAN_RST BIT(1) /* user_cpu_man_rst */
Vladimir Kondratiev17123992014-03-17 15:34:14 +0200126#define RGF_USER_MAC_CPU_0 (0x8801fc)
Vladimir Kondratiev151a9702014-09-10 16:34:30 +0300127 #define BIT_USER_MAC_CPU_MAN_RST BIT(1) /* mac_cpu_man_rst */
Vladimir Kondratiev17123992014-03-17 15:34:14 +0200128#define RGF_USER_USER_SCRATCH_PAD (0x8802bc)
129#define RGF_USER_FW_REV_ID (0x880a8c) /* chip revision */
Vladimir Kondratiev972072a2014-03-17 15:34:15 +0200130#define RGF_USER_CLKS_CTL_0 (0x880abc)
Vladimir Kondratiev151a9702014-09-10 16:34:30 +0300131 #define BIT_USER_CLKS_CAR_AHB_SW_SEL BIT(1) /* ref clk/PLL */
Vladimir Kondratiev972072a2014-03-17 15:34:15 +0200132 #define BIT_USER_CLKS_RST_PWGD BIT(11) /* reset on "power good" */
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800133#define RGF_USER_CLKS_CTL_SW_RST_VEC_0 (0x880b04)
134#define RGF_USER_CLKS_CTL_SW_RST_VEC_1 (0x880b08)
135#define RGF_USER_CLKS_CTL_SW_RST_VEC_2 (0x880b0c)
136#define RGF_USER_CLKS_CTL_SW_RST_VEC_3 (0x880b10)
Vladimir Kondratiev17123992014-03-17 15:34:14 +0200137#define RGF_USER_CLKS_CTL_SW_RST_MASK_0 (0x880b14)
Vladimir Kondratiev151a9702014-09-10 16:34:30 +0300138 #define BIT_HPAL_PERST_FROM_PAD BIT(6)
139 #define BIT_CAR_PERST_RST BIT(7)
Vladimir Kondratiev17123992014-03-17 15:34:14 +0200140#define RGF_USER_USER_ICR (0x880b4c) /* struct RGF_ICR */
141 #define BIT_USER_USER_ICR_SW_INT_2 BIT(18)
Vladimir Kondratiev65082812014-07-14 09:49:37 +0300142#define RGF_USER_CLKS_CTL_EXT_SW_RST_VEC_0 (0x880c18)
Vladimir Kondratiev151a9702014-09-10 16:34:30 +0300143#define RGF_USER_CLKS_CTL_EXT_SW_RST_VEC_1 (0x880c2c)
Vladimir Kondratiev48516292014-10-28 16:50:07 +0200144#define RGF_USER_SPARROW_M_4 (0x880c50) /* Sparrow */
145 #define BIT_SPARROW_M_4_SEL_SLEEP_OR_REF BIT(2)
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800146
147#define RGF_DMA_EP_TX_ICR (0x881bb4) /* struct RGF_ICR */
148 #define BIT_DMA_EP_TX_ICR_TX_DONE BIT(0)
149 #define BIT_DMA_EP_TX_ICR_TX_DONE_N(n) BIT(n+1) /* n = [0..23] */
150#define RGF_DMA_EP_RX_ICR (0x881bd0) /* struct RGF_ICR */
151 #define BIT_DMA_EP_RX_ICR_RX_DONE BIT(0)
Vladimir Kondratiev40e391b2014-12-01 15:33:16 +0200152 #define BIT_DMA_EP_RX_ICR_RX_HTRSH BIT(1)
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800153#define RGF_DMA_EP_MISC_ICR (0x881bec) /* struct RGF_ICR */
154 #define BIT_DMA_EP_MISC_ICR_RX_HTRSH BIT(0)
155 #define BIT_DMA_EP_MISC_ICR_TX_NO_ACT BIT(1)
Vladimir Kondratiev72694942013-01-28 18:30:56 +0200156 #define BIT_DMA_EP_MISC_ICR_FW_INT(n) BIT(28+n) /* n = [0..3] */
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800157
158/* Interrupt moderation control */
159#define RGF_DMA_ITR_CNT_TRSH (0x881c5c)
160#define RGF_DMA_ITR_CNT_DATA (0x881c60)
Vladimir Kondratiev17123992014-03-17 15:34:14 +0200161#define RGF_DMA_ITR_CNT_CRL (0x881c64)
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800162 #define BIT_DMA_ITR_CNT_CRL_EN BIT(0)
163 #define BIT_DMA_ITR_CNT_CRL_EXT_TICK BIT(1)
164 #define BIT_DMA_ITR_CNT_CRL_FOREVER BIT(2)
165 #define BIT_DMA_ITR_CNT_CRL_CLR BIT(3)
166 #define BIT_DMA_ITR_CNT_CRL_REACH_TRSH BIT(4)
167
Vladimir Kondratiev17123992014-03-17 15:34:14 +0200168#define RGF_DMA_PSEUDO_CAUSE (0x881c68)
169#define RGF_DMA_PSEUDO_CAUSE_MASK_SW (0x881c6c)
170#define RGF_DMA_PSEUDO_CAUSE_MASK_FW (0x881c70)
171 #define BIT_DMA_PSEUDO_CAUSE_RX BIT(0)
172 #define BIT_DMA_PSEUDO_CAUSE_TX BIT(1)
173 #define BIT_DMA_PSEUDO_CAUSE_MISC BIT(2)
174
Vladimir Kondratiev65082812014-07-14 09:49:37 +0300175#define RGF_HP_CTRL (0x88265c)
Vladimir Kondratiev17123992014-03-17 15:34:14 +0200176#define RGF_PCIE_LOS_COUNTER_CTL (0x882dc4)
177
Vladimir Kondratiev91b775e2014-08-06 10:31:49 +0300178/* MAC timer, usec, for packet lifetime */
179#define RGF_MAC_MTRL_COUNTER_0 (0x886aa8)
180
Vladimir Kondratiev151a9702014-09-10 16:34:30 +0300181#define RGF_CAF_ICR (0x88946c) /* struct RGF_ICR */
Vladimir Kondratiev48516292014-10-28 16:50:07 +0200182#define RGF_CAF_OSC_CONTROL (0x88afa4)
183 #define BIT_CAF_OSC_XTAL_EN BIT(0)
184#define RGF_CAF_PLL_LOCK_STATUS (0x88afec)
185 #define BIT_CAF_OSC_DIG_XTAL_STABLE BIT(0)
Vladimir Kondratiev151a9702014-09-10 16:34:30 +0300186
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800187/* popular locations */
188#define HOST_MBOX HOSTADDR(RGF_USER_USER_SCRATCH_PAD)
189#define HOST_SW_INT (HOSTADDR(RGF_USER_USER_ICR) + \
190 offsetof(struct RGF_ICR, ICS))
191#define SW_INT_MBOX BIT_USER_USER_ICR_SW_INT_2
192
193/* ISR register bits */
Vladimir Kondratiev72694942013-01-28 18:30:56 +0200194#define ISR_MISC_FW_READY BIT_DMA_EP_MISC_ICR_FW_INT(0)
195#define ISR_MISC_MBOX_EVT BIT_DMA_EP_MISC_ICR_FW_INT(1)
196#define ISR_MISC_FW_ERROR BIT_DMA_EP_MISC_ICR_FW_INT(3)
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800197
198/* Hardware definitions end */
Vladimir Kondratievb541d0a2014-07-14 09:49:41 +0300199struct fw_map {
200 u32 from; /* linker address - from, inclusive */
201 u32 to; /* linker address - to, exclusive */
202 u32 host; /* PCI/Host address - BAR0 + 0x880000 */
203 const char *name; /* for debugfs */
204};
Vladimir Kondratiev8fe59622014-09-10 16:34:34 +0300205
Vladimir Kondratievb541d0a2014-07-14 09:49:41 +0300206/* array size should be in sync with actual definition in the wmi.c */
Vladimir Kondratiev72269142014-07-14 09:49:43 +0300207extern const struct fw_map fw_mapping[7];
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800208
Vladimir Kondratieva70abea2014-03-17 15:34:05 +0200209/**
210 * mk_cidxtid - construct @cidxtid field
211 * @cid: CID value
212 * @tid: TID value
213 *
214 * @cidxtid field encoded as bits 0..3 - CID; 4..7 - TID
215 */
216static inline u8 mk_cidxtid(u8 cid, u8 tid)
217{
218 return ((tid & 0xf) << 4) | (cid & 0xf);
219}
220
221/**
222 * parse_cidxtid - parse @cidxtid field
223 * @cid: store CID value here
224 * @tid: store TID value here
225 *
226 * @cidxtid field encoded as bits 0..3 - CID; 4..7 - TID
227 */
228static inline void parse_cidxtid(u8 cidxtid, u8 *cid, u8 *tid)
229{
230 *cid = cidxtid & 0xf;
231 *tid = (cidxtid >> 4) & 0xf;
232}
233
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800234struct wil6210_mbox_ring {
235 u32 base;
236 u16 entry_size; /* max. size of mbox entry, incl. all headers */
237 u16 size;
238 u32 tail;
239 u32 head;
240} __packed;
241
242struct wil6210_mbox_ring_desc {
243 __le32 sync;
244 __le32 addr;
245} __packed;
246
247/* at HOST_OFF_WIL6210_MBOX_CTL */
248struct wil6210_mbox_ctl {
249 struct wil6210_mbox_ring tx;
250 struct wil6210_mbox_ring rx;
251} __packed;
252
253struct wil6210_mbox_hdr {
254 __le16 seq;
255 __le16 len; /* payload, bytes after this header */
256 __le16 type;
257 u8 flags;
258 u8 reserved;
259} __packed;
260
261#define WIL_MBOX_HDR_TYPE_WMI (0)
262
263/* max. value for wil6210_mbox_hdr.len */
264#define MAX_MBOXITEM_SIZE (240)
265
Vladimir Kondratievf988b232013-07-11 18:03:37 +0300266/**
267 * struct wil6210_mbox_hdr_wmi - WMI header
268 *
269 * @mid: MAC ID
270 * 00 - default, created by FW
271 * 01..0f - WiFi ports, driver to create
272 * 10..fe - debug
273 * ff - broadcast
274 * @id: command/event ID
275 * @timestamp: FW fills for events, free-running msec timer
276 */
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800277struct wil6210_mbox_hdr_wmi {
Vladimir Kondratievf988b232013-07-11 18:03:37 +0300278 u8 mid;
279 u8 reserved;
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800280 __le16 id;
Vladimir Kondratievf988b232013-07-11 18:03:37 +0300281 __le32 timestamp;
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800282} __packed;
283
284struct pending_wmi_event {
285 struct list_head list;
286 struct {
287 struct wil6210_mbox_hdr hdr;
288 struct wil6210_mbox_hdr_wmi wmi;
289 u8 data[0];
290 } __packed event;
291};
292
Vladimir Kondratiev2232abd2014-03-17 15:34:09 +0200293enum { /* for wil_ctx.mapped_as */
294 wil_mapped_as_none = 0,
295 wil_mapped_as_single = 1,
296 wil_mapped_as_page = 2,
297};
298
Vladimir Kondratievf88f1132013-07-11 18:03:40 +0300299/**
300 * struct wil_ctx - software context for Vring descriptor
301 */
302struct wil_ctx {
303 struct sk_buff *skb;
Vladimir Kondratievc2366582014-03-17 15:34:08 +0200304 u8 nr_frags;
Vladimir Kondratiev2232abd2014-03-17 15:34:09 +0200305 u8 mapped_as;
Vladimir Kondratievf88f1132013-07-11 18:03:40 +0300306};
307
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800308union vring_desc;
309
310struct vring {
311 dma_addr_t pa;
312 volatile union vring_desc *va; /* vring_desc[size], WriteBack by DMA */
313 u16 size; /* number of vring_desc elements */
314 u32 swtail;
315 u32 swhead;
316 u32 hwtail; /* write here to inform hw */
Vladimir Kondratievf88f1132013-07-11 18:03:40 +0300317 struct wil_ctx *ctx; /* ctx[size] - software context */
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800318};
319
Vladimir Kondratiev097638a2014-03-17 15:34:25 +0200320/**
321 * Additional data for Tx Vring
322 */
323struct vring_tx_data {
324 int enabled;
Vladimir Kondratiev7c0acf82014-06-16 19:37:05 +0300325 cycles_t idle, last_idle, begin;
Vladimir Kondratiev32772132014-12-23 09:47:03 +0200326 u8 agg_wsize; /* agreed aggregation window, 0 - no agg */
327 u16 agg_timeout;
Vladimir Kondratievcbcf5862014-12-23 09:47:09 +0200328 u8 agg_amsdu;
Vladimir Kondratiev3a124ed2014-12-23 09:47:04 +0200329 bool addba_in_progress; /* if set, agg_xxx is for request in progress */
Vladimir Kondratiev097638a2014-03-17 15:34:25 +0200330};
331
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800332enum { /* for wil6210_priv.status */
333 wil_status_fwready = 0,
Vladimir Kondratievb338f742013-05-28 15:17:53 +0300334 wil_status_fwconnecting,
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800335 wil_status_fwconnected,
336 wil_status_dontscan,
Vladimir Kondratiev55f7acd2013-03-13 14:12:49 +0200337 wil_status_reset_done,
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800338 wil_status_irqen, /* FIXME: interrupts enabled - for debug */
Vladimir Kondratiev0fef1812014-03-17 15:34:18 +0200339 wil_status_napi_en, /* NAPI enabled protected by wil->mutex */
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800340};
341
342struct pci_dev;
343
Vladimir Kondratievb4490f42014-02-27 16:20:44 +0200344/**
345 * struct tid_ampdu_rx - TID aggregation information (Rx).
346 *
347 * @reorder_buf: buffer to reorder incoming aggregated MPDUs
348 * @reorder_time: jiffies when skb was added
349 * @session_timer: check if peer keeps Tx-ing on the TID (by timeout value)
350 * @reorder_timer: releases expired frames from the reorder buffer.
351 * @last_rx: jiffies of last rx activity
352 * @head_seq_num: head sequence number in reordering buffer.
353 * @stored_mpdu_num: number of MPDUs in reordering buffer
354 * @ssn: Starting Sequence Number expected to be aggregated.
355 * @buf_size: buffer size for incoming A-MPDUs
356 * @timeout: reset timer value (in TUs).
357 * @dialog_token: dialog token for aggregation session
358 * @rcu_head: RCU head used for freeing this struct
Vladimir Kondratievb4490f42014-02-27 16:20:44 +0200359 *
360 * This structure's lifetime is managed by RCU, assignments to
361 * the array holding it must hold the aggregation mutex.
362 *
Vladimir Kondratievb4490f42014-02-27 16:20:44 +0200363 */
364struct wil_tid_ampdu_rx {
Vladimir Kondratievb4490f42014-02-27 16:20:44 +0200365 struct sk_buff **reorder_buf;
366 unsigned long *reorder_time;
367 struct timer_list session_timer;
368 struct timer_list reorder_timer;
369 unsigned long last_rx;
370 u16 head_seq_num;
371 u16 stored_mpdu_num;
372 u16 ssn;
373 u16 buf_size;
374 u16 timeout;
Vladimir Kondratievd5b1c322014-06-16 19:37:07 +0300375 u16 ssn_last_drop;
Vladimir Kondratievb4490f42014-02-27 16:20:44 +0200376 u8 dialog_token;
Vladimir Kondratievc888cdd2014-04-08 11:36:18 +0300377 bool first_time; /* is it 1-st time this buffer used? */
Vladimir Kondratievb4490f42014-02-27 16:20:44 +0200378};
379
Vladimir Kondratiev3df2cd362014-02-27 16:20:43 +0200380enum wil_sta_status {
381 wil_sta_unused = 0,
382 wil_sta_conn_pending = 1,
383 wil_sta_connected = 2,
384};
Vladimir Kondratievb4490f42014-02-27 16:20:44 +0200385
386#define WIL_STA_TID_NUM (16)
387
Vladimir Kondratievc8b78b52014-02-27 16:20:49 +0200388struct wil_net_stats {
389 unsigned long rx_packets;
390 unsigned long tx_packets;
391 unsigned long rx_bytes;
392 unsigned long tx_bytes;
393 unsigned long tx_errors;
394 unsigned long rx_dropped;
395 u16 last_mcs_rx;
396};
397
Vladimir Kondratiev3df2cd362014-02-27 16:20:43 +0200398/**
399 * struct wil_sta_info - data for peer
400 *
401 * Peer identified by its CID (connection ID)
402 * NIC performs beam forming for each peer;
403 * if no beam forming done, frame exchange is not
404 * possible.
405 */
406struct wil_sta_info {
407 u8 addr[ETH_ALEN];
408 enum wil_sta_status status;
Vladimir Kondratievc8b78b52014-02-27 16:20:49 +0200409 struct wil_net_stats stats;
Vladimir Kondratieve58c9f72014-03-17 15:34:06 +0200410 bool data_port_open; /* can send any data, not only EAPOL */
Vladimir Kondratievb4490f42014-02-27 16:20:44 +0200411 /* Rx BACK */
412 struct wil_tid_ampdu_rx *tid_rx[WIL_STA_TID_NUM];
Dedy Lanskyec81b5a2014-09-10 16:34:42 +0300413 spinlock_t tid_rx_lock; /* guarding tid_rx array */
Vladimir Kondratievb4490f42014-02-27 16:20:44 +0200414 unsigned long tid_rx_timer_expired[BITS_TO_LONGS(WIL_STA_TID_NUM)];
415 unsigned long tid_rx_stop_requested[BITS_TO_LONGS(WIL_STA_TID_NUM)];
Vladimir Kondratiev3df2cd362014-02-27 16:20:43 +0200416};
417
Vladimir Kondratievc33407a2014-10-01 15:05:24 +0300418enum {
419 fw_recovery_idle = 0,
420 fw_recovery_pending = 1,
421 fw_recovery_running = 2,
422};
423
Vladimir Kondratiev32772132014-12-23 09:47:03 +0200424struct wil_back_rx {
425 struct list_head list;
426 /* request params, converted to CPU byte order - what we asked for */
427 u8 cidxtid;
428 u8 dialog_token;
429 u16 ba_param_set;
430 u16 ba_timeout;
431 u16 ba_seq_ctrl;
432};
433
Vladimir Kondratiev3a124ed2014-12-23 09:47:04 +0200434struct wil_back_tx {
435 struct list_head list;
436 /* request params, converted to CPU byte order - what we asked for */
437 u8 ringid;
438 u8 agg_wsize;
439 u16 agg_timeout;
440};
441
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800442struct wil6210_priv {
443 struct pci_dev *pdev;
444 int n_msi;
445 struct wireless_dev *wdev;
446 void __iomem *csr;
447 ulong status;
Vladimir Kondratievb8023172013-03-13 14:12:50 +0200448 u32 fw_version;
Vladimir Kondratiev36b10a72014-03-17 15:34:10 +0200449 u32 hw_version;
Vladimir Kondratiev65082812014-07-14 09:49:37 +0300450 struct wil_board *board;
Vladimir Kondratievb8023172013-03-13 14:12:50 +0200451 u8 n_mids; /* number of additional MIDs as reported by FW */
Vladimir Kondratievc33407a2014-10-01 15:05:24 +0300452 u32 recovery_count; /* num of FW recovery attempts in a short time */
453 u32 recovery_state; /* FW recovery state machine */
Vladimir Kondratievfc219ee2014-05-27 14:45:45 +0300454 unsigned long last_fw_recovery; /* jiffies of last fw recovery */
Vladimir Kondratievc33407a2014-10-01 15:05:24 +0300455 wait_queue_head_t wq; /* for all wait_event() use */
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800456 /* profile */
457 u32 monitor_flags;
458 u32 secure_pcp; /* create secure PCP? */
459 int sinfo_gen;
Vladimir Kondratievb6b1b0e2014-09-22 15:31:41 +0300460 u32 itr_trsh;
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800461 /* cached ISR registers */
462 u32 isr_misc;
463 /* mailbox related */
464 struct mutex wmi_mutex;
465 struct wil6210_mbox_ctl mbox_ctl;
466 struct completion wmi_ready;
Dedy Lansky59502642014-09-10 16:34:46 +0300467 struct completion wmi_call;
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800468 u16 wmi_seq;
469 u16 reply_id; /**< wait for this WMI event */
470 void *reply_buf;
471 u16 reply_size;
472 struct workqueue_struct *wmi_wq; /* for deferred calls */
473 struct work_struct wmi_event_worker;
Vladimir Kondratiev32772132014-12-23 09:47:03 +0200474 struct workqueue_struct *wq_service;
Vladimir Kondratievd81079f2013-03-13 14:12:43 +0200475 struct work_struct connect_worker;
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800476 struct work_struct disconnect_worker;
Vladimir Kondratieved6f9dc2014-03-17 15:34:19 +0200477 struct work_struct fw_error_worker; /* for FW error recovery */
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800478 struct timer_list connect_timer;
Vladimir Kondratiev047e5d72014-05-27 14:45:48 +0300479 struct timer_list scan_timer; /* detect scan timeout */
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800480 int pending_connect_cid;
481 struct list_head pending_wmi_ev;
482 /*
483 * protect pending_wmi_ev
484 * - fill in IRQ from wil6210_irq_misc,
485 * - consumed in thread by wmi_event_worker
486 */
487 spinlock_t wmi_ev_lock;
Vladimir Kondratieve0287c42013-05-12 14:43:36 +0300488 struct napi_struct napi_rx;
489 struct napi_struct napi_tx;
Vladimir Kondratiev32772132014-12-23 09:47:03 +0200490 /* BACK */
491 struct list_head back_rx_pending;
492 struct mutex back_rx_mutex; /* protect @back_rx_pending */
493 struct work_struct back_rx_worker;
Vladimir Kondratiev3a124ed2014-12-23 09:47:04 +0200494 struct list_head back_tx_pending;
495 struct mutex back_tx_mutex; /* protect @back_tx_pending */
496 struct work_struct back_tx_worker;
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800497 /* DMA related */
498 struct vring vring_rx;
499 struct vring vring_tx[WIL6210_MAX_TX_RINGS];
Vladimir Kondratiev097638a2014-03-17 15:34:25 +0200500 struct vring_tx_data vring_tx_data[WIL6210_MAX_TX_RINGS];
Vladimir Kondratiev3df2cd362014-02-27 16:20:43 +0200501 u8 vring2cid_tid[WIL6210_MAX_TX_RINGS][2]; /* [0] - CID, [1] - TID */
502 struct wil_sta_info sta[WIL6210_MAX_CID];
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800503 /* scan */
504 struct cfg80211_scan_request *scan_request;
505
506 struct mutex mutex; /* for wil6210_priv access in wil_{up|down} */
507 /* statistics */
Vladimir Kondratievbe299852014-06-16 19:37:22 +0300508 atomic_t isr_count_rx, isr_count_tx;
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800509 /* debugfs */
510 struct dentry *debug;
Vladimir Kondratievb541d0a2014-07-14 09:49:41 +0300511 struct debugfs_blob_wrapper blobs[ARRAY_SIZE(fw_mapping)];
Vladimir Kondratievf772ebf2014-09-10 16:34:35 +0300512
513 void *platform_handle;
514 struct wil_platform_ops platform_ops;
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800515};
516
517#define wil_to_wiphy(i) (i->wdev->wiphy)
518#define wil_to_dev(i) (wiphy_dev(wil_to_wiphy(i)))
519#define wiphy_to_wil(w) (struct wil6210_priv *)(wiphy_priv(w))
520#define wil_to_wdev(i) (i->wdev)
521#define wdev_to_wil(w) (struct wil6210_priv *)(wdev_priv(w))
522#define wil_to_ndev(i) (wil_to_wdev(i)->netdev)
523#define ndev_to_wil(n) (wdev_to_wil(n->ieee80211_ptr))
524
Joe Perchesbabcb3e2014-09-22 10:35:34 -0700525__printf(2, 3)
David S. Miller57219dc2014-09-26 15:19:05 -0400526void wil_dbg_trace(struct wil6210_priv *wil, const char *fmt, ...);
Joe Perchesbabcb3e2014-09-22 10:35:34 -0700527__printf(2, 3)
David S. Miller57219dc2014-09-26 15:19:05 -0400528void wil_err(struct wil6210_priv *wil, const char *fmt, ...);
Joe Perchesbabcb3e2014-09-22 10:35:34 -0700529__printf(2, 3)
Vladimir Kondratiev40e391b2014-12-01 15:33:16 +0200530void wil_err_ratelimited(struct wil6210_priv *wil, const char *fmt, ...);
531__printf(2, 3)
David S. Miller57219dc2014-09-26 15:19:05 -0400532void wil_info(struct wil6210_priv *wil, const char *fmt, ...);
Vladimir Kondratiev98658092013-05-12 14:43:35 +0300533#define wil_dbg(wil, fmt, arg...) do { \
534 netdev_dbg(wil_to_ndev(wil), fmt, ##arg); \
535 wil_dbg_trace(wil, fmt, ##arg); \
536} while (0)
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800537
Vladimir Kondratiev77438822013-01-28 18:31:06 +0200538#define wil_dbg_irq(wil, fmt, arg...) wil_dbg(wil, "DBG[ IRQ]" fmt, ##arg)
539#define wil_dbg_txrx(wil, fmt, arg...) wil_dbg(wil, "DBG[TXRX]" fmt, ##arg)
540#define wil_dbg_wmi(wil, fmt, arg...) wil_dbg(wil, "DBG[ WMI]" fmt, ##arg)
541#define wil_dbg_misc(wil, fmt, arg...) wil_dbg(wil, "DBG[MISC]" fmt, ##arg)
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800542
Vladimir Kondratiev871d8c42014-09-10 16:34:39 +0300543#if defined(CONFIG_DYNAMIC_DEBUG)
Vladimir Kondratiev77438822013-01-28 18:31:06 +0200544#define wil_hex_dump_txrx(prefix_str, prefix_type, rowsize, \
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800545 groupsize, buf, len, ascii) \
Vladimir Kondratiev3b0378a2013-03-13 14:12:38 +0200546 print_hex_dump_debug("DBG[TXRX]" prefix_str,\
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800547 prefix_type, rowsize, \
548 groupsize, buf, len, ascii)
549
Vladimir Kondratiev77438822013-01-28 18:31:06 +0200550#define wil_hex_dump_wmi(prefix_str, prefix_type, rowsize, \
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800551 groupsize, buf, len, ascii) \
Vladimir Kondratiev3b0378a2013-03-13 14:12:38 +0200552 print_hex_dump_debug("DBG[ WMI]" prefix_str,\
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800553 prefix_type, rowsize, \
554 groupsize, buf, len, ascii)
Vladimir Kondratieva43b5142014-09-14 11:14:10 +0300555#else /* defined(CONFIG_DYNAMIC_DEBUG) */
556static inline
557void wil_hex_dump_txrx(const char *prefix_str, int prefix_type, int rowsize,
558 int groupsize, const void *buf, size_t len, bool ascii)
559{
560}
561
562static inline
563void wil_hex_dump_wmi(const char *prefix_str, int prefix_type, int rowsize,
564 int groupsize, const void *buf, size_t len, bool ascii)
565{
566}
567#endif /* defined(CONFIG_DYNAMIC_DEBUG) */
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800568
569void wil_memcpy_fromio_32(void *dst, const volatile void __iomem *src,
570 size_t count);
571void wil_memcpy_toio_32(volatile void __iomem *dst, const void *src,
572 size_t count);
573
574void *wil_if_alloc(struct device *dev, void __iomem *csr);
575void wil_if_free(struct wil6210_priv *wil);
576int wil_if_add(struct wil6210_priv *wil);
577void wil_if_remove(struct wil6210_priv *wil);
578int wil_priv_init(struct wil6210_priv *wil);
579void wil_priv_deinit(struct wil6210_priv *wil);
580int wil_reset(struct wil6210_priv *wil);
Vladimir Kondratievb6b1b0e2014-09-22 15:31:41 +0300581void wil_set_itr_trsh(struct wil6210_priv *wil);
Vladimir Kondratieved6f9dc2014-03-17 15:34:19 +0200582void wil_fw_error_recovery(struct wil6210_priv *wil);
Vladimir Kondratievc33407a2014-10-01 15:05:24 +0300583void wil_set_recovery_state(struct wil6210_priv *wil, int state);
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800584void wil_link_on(struct wil6210_priv *wil);
585void wil_link_off(struct wil6210_priv *wil);
586int wil_up(struct wil6210_priv *wil);
Vladimir Kondratiev73d839a2014-09-10 16:34:50 +0300587int __wil_up(struct wil6210_priv *wil);
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800588int wil_down(struct wil6210_priv *wil);
Vladimir Kondratiev73d839a2014-09-10 16:34:50 +0300589int __wil_down(struct wil6210_priv *wil);
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800590void wil_mbox_ring_le2cpus(struct wil6210_mbox_ring *r);
Vladimir Kondratiev3df2cd362014-02-27 16:20:43 +0200591int wil_find_cid(struct wil6210_priv *wil, const u8 *mac);
Vladimir Kondratievb6b1b0e2014-09-22 15:31:41 +0300592void wil_set_ethtoolops(struct net_device *ndev);
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800593
594void __iomem *wmi_buffer(struct wil6210_priv *wil, __le32 ptr);
595void __iomem *wmi_addr(struct wil6210_priv *wil, u32 ptr);
596int wmi_read_hdr(struct wil6210_priv *wil, __le32 ptr,
597 struct wil6210_mbox_hdr *hdr);
598int wmi_send(struct wil6210_priv *wil, u16 cmdid, void *buf, u16 len);
599void wmi_recv_cmd(struct wil6210_priv *wil);
600int wmi_call(struct wil6210_priv *wil, u16 cmdid, void *buf, u16 len,
601 u16 reply_id, void *reply, u8 reply_size, int to_msec);
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800602void wmi_event_worker(struct work_struct *work);
603void wmi_event_flush(struct wil6210_priv *wil);
604int wmi_set_ssid(struct wil6210_priv *wil, u8 ssid_len, const void *ssid);
605int wmi_get_ssid(struct wil6210_priv *wil, u8 *ssid_len, void *ssid);
606int wmi_set_channel(struct wil6210_priv *wil, int channel);
607int wmi_get_channel(struct wil6210_priv *wil, int *channel);
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800608int wmi_del_cipher_key(struct wil6210_priv *wil, u8 key_index,
609 const void *mac_addr);
610int wmi_add_cipher_key(struct wil6210_priv *wil, u8 key_index,
611 const void *mac_addr, int key_len, const void *key);
612int wmi_echo(struct wil6210_priv *wil);
613int wmi_set_ie(struct wil6210_priv *wil, u8 type, u16 ie_len, const void *ie);
Vladimir Kondratiev47e19af2013-01-28 18:30:59 +0200614int wmi_rx_chain_add(struct wil6210_priv *wil, struct vring *vring);
Vladimir Kondratievb8023172013-03-13 14:12:50 +0200615int wmi_p2p_cfg(struct wil6210_priv *wil, int channel);
Vladimir Kondratiev1647f122014-02-27 16:20:40 +0200616int wmi_rxon(struct wil6210_priv *wil, bool on);
Vladimir Kondratiev1a2780e2013-03-13 14:12:51 +0200617int wmi_get_temperature(struct wil6210_priv *wil, u32 *t_m, u32 *t_r);
Vladimir Kondratiev4d55a0a2014-02-27 16:20:54 +0200618int wmi_disconnect_sta(struct wil6210_priv *wil, const u8 *mac, u16 reason);
Vladimir Kondratiev32772132014-12-23 09:47:03 +0200619int wmi_addba(struct wil6210_priv *wil, u8 ringid, u8 size, u16 timeout);
Vladimir Kondratiev26a359d2014-12-23 09:47:10 +0200620int wmi_delba_tx(struct wil6210_priv *wil, u8 ringid, u16 reason);
621int wmi_delba_rx(struct wil6210_priv *wil, u8 cidxtid, u16 reason);
Vladimir Kondratiev32772132014-12-23 09:47:03 +0200622int wmi_addba_rx_resp(struct wil6210_priv *wil, u8 cid, u8 tid, u8 token,
623 u16 status, bool amsdu, u16 agg_wsize, u16 timeout);
624int wil_addba_rx_request(struct wil6210_priv *wil, u8 cidxtid,
625 u8 dialog_token, __le16 ba_param_set,
626 __le16 ba_timeout, __le16 ba_seq_ctrl);
627void wil_back_rx_worker(struct work_struct *work);
628void wil_back_rx_flush(struct wil6210_priv *wil);
Vladimir Kondratiev3a3def82014-12-23 09:47:05 +0200629int wil_addba_tx_request(struct wil6210_priv *wil, u8 ringid, u16 wsize);
Vladimir Kondratiev3a124ed2014-12-23 09:47:04 +0200630void wil_back_tx_worker(struct work_struct *work);
631void wil_back_tx_flush(struct wil6210_priv *wil);
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800632
Vladimir Kondratievf4b5a802014-03-17 15:34:13 +0200633void wil6210_clear_irq(struct wil6210_priv *wil);
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800634int wil6210_init_irq(struct wil6210_priv *wil, int irq);
635void wil6210_fini_irq(struct wil6210_priv *wil, int irq);
Vladimir Kondratieve4dbb092014-09-10 16:34:49 +0300636void wil_mask_irq(struct wil6210_priv *wil);
637void wil_unmask_irq(struct wil6210_priv *wil);
Vladimir Kondratiev73d839a2014-09-10 16:34:50 +0300638void wil_disable_irq(struct wil6210_priv *wil);
639void wil_enable_irq(struct wil6210_priv *wil);
Vladimir Kondratiev0b39aaf2014-06-16 19:36:59 +0300640int wil_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
641 struct cfg80211_mgmt_tx_params *params,
642 u64 *cookie);
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800643
644int wil6210_debugfs_init(struct wil6210_priv *wil);
645void wil6210_debugfs_remove(struct wil6210_priv *wil);
Vladimir Kondratiev9eb82d42014-06-16 19:37:13 +0300646int wil_cid_fill_sinfo(struct wil6210_priv *wil, int cid,
647 struct station_info *sinfo);
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800648
649struct wireless_dev *wil_cfg80211_init(struct device *dev);
650void wil_wdev_free(struct wil6210_priv *wil);
651
652int wmi_set_mac_address(struct wil6210_priv *wil, void *addr);
Vladimir Kondratievb8023172013-03-13 14:12:50 +0200653int wmi_pcp_start(struct wil6210_priv *wil, int bi, u8 wmi_nettype, u8 chan);
654int wmi_pcp_stop(struct wil6210_priv *wil);
Vladimir Kondratievb516fcc2014-10-28 16:50:08 +0200655void wil6210_disconnect(struct wil6210_priv *wil, const u8 *bssid,
Vladimir Kondratiev4821e6d2014-12-01 15:33:15 +0200656 u16 reason_code, bool from_event);
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800657
Vladimir Kondratievd3762b42014-12-01 15:35:02 +0200658int wil_rx_init(struct wil6210_priv *wil, u16 size);
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800659void wil_rx_fini(struct wil6210_priv *wil);
660
661/* TX API */
662int wil_vring_init_tx(struct wil6210_priv *wil, int id, int size,
663 int cid, int tid);
664void wil_vring_fini_tx(struct wil6210_priv *wil, int id);
665
666netdev_tx_t wil_start_xmit(struct sk_buff *skb, struct net_device *ndev);
Vladimir Kondratieve0287c42013-05-12 14:43:36 +0300667int wil_tx_complete(struct wil6210_priv *wil, int ringid);
668void wil6210_unmask_irq_tx(struct wil6210_priv *wil);
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800669
670/* RX API */
Vladimir Kondratieve0287c42013-05-12 14:43:36 +0300671void wil_rx_handle(struct wil6210_priv *wil, int *quota);
672void wil6210_unmask_irq_rx(struct wil6210_priv *wil);
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800673
674int wil_iftype_nl2wmi(enum nl80211_iftype type);
675
Vladimir Kondratievdba4b742014-10-01 15:05:25 +0300676int wil_ioctl(struct wil6210_priv *wil, void __user *data, int cmd);
Vladimir Kondratiev151a9702014-09-10 16:34:30 +0300677int wil_request_firmware(struct wil6210_priv *wil, const char *name);
Vladimir Kondratievdba4b742014-10-01 15:05:25 +0300678
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800679#endif /* __WIL6210_H__ */