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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 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 Kondratiev4590d812014-12-23 09:47:12 +020080/* MTU for Ethernet need to take into account 8-byte SNAP header
81 * to be added when encapsulating Ethernet frame into 802.11
82 */
83#define WIL_MAX_ETH_MTU (IEEE80211_MAX_DATA_LEN_DMG - 8)
Vladimir Kondratievb6b1b0e2014-09-22 15:31:41 +030084/* Max supported by wil6210 value for interrupt threshold is 5sec. */
85#define WIL6210_ITR_TRSH_MAX (5000000)
86#define WIL6210_ITR_TRSH_DEFAULT (300) /* usec */
Vladimir Kondratievfc219ee2014-05-27 14:45:45 +030087#define WIL6210_FW_RECOVERY_RETRIES (5) /* try to recover this many times */
88#define WIL6210_FW_RECOVERY_TO msecs_to_jiffies(5000)
Vladimir Kondratiev047e5d72014-05-27 14:45:48 +030089#define WIL6210_SCAN_TO msecs_to_jiffies(10000)
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -080090
91/* Hardware definitions begin */
92
93/*
94 * Mapping
95 * RGF File | Host addr | FW addr
96 * | |
97 * user_rgf | 0x000000 | 0x880000
98 * dma_rgf | 0x001000 | 0x881000
99 * pcie_rgf | 0x002000 | 0x882000
100 * | |
101 */
102
103/* Where various structures placed in host address space */
104#define WIL6210_FW_HOST_OFF (0x880000UL)
105
106#define HOSTADDR(fwaddr) (fwaddr - WIL6210_FW_HOST_OFF)
107
108/*
109 * Interrupt control registers block
110 *
111 * each interrupt controlled by the same bit in all registers
112 */
113struct RGF_ICR {
114 u32 ICC; /* Cause Control, RW: 0 - W1C, 1 - COR */
115 u32 ICR; /* Cause, W1C/COR depending on ICC */
116 u32 ICM; /* Cause masked (ICR & ~IMV), W1C/COR depending on ICC */
117 u32 ICS; /* Cause Set, WO */
118 u32 IMV; /* Mask, RW+S/C */
119 u32 IMS; /* Mask Set, write 1 to set */
120 u32 IMC; /* Mask Clear, write 1 to clear */
121} __packed;
122
123/* registers - FW addresses */
Vladimir Kondratievb373de72014-07-14 09:49:42 +0300124#define RGF_USER_USAGE_1 (0x880004)
Vladimir Kondratiev151a9702014-09-10 16:34:30 +0300125#define RGF_USER_USAGE_6 (0x880018)
Vladimir Kondratievd28bcc32014-03-17 15:34:23 +0200126#define RGF_USER_HW_MACHINE_STATE (0x8801dc)
127 #define HW_MACHINE_BOOT_DONE (0x3fffffd)
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800128#define RGF_USER_USER_CPU_0 (0x8801e0)
Vladimir Kondratiev151a9702014-09-10 16:34:30 +0300129 #define BIT_USER_USER_CPU_MAN_RST BIT(1) /* user_cpu_man_rst */
Vladimir Kondratiev17123992014-03-17 15:34:14 +0200130#define RGF_USER_MAC_CPU_0 (0x8801fc)
Vladimir Kondratiev151a9702014-09-10 16:34:30 +0300131 #define BIT_USER_MAC_CPU_MAN_RST BIT(1) /* mac_cpu_man_rst */
Vladimir Kondratiev17123992014-03-17 15:34:14 +0200132#define RGF_USER_USER_SCRATCH_PAD (0x8802bc)
133#define RGF_USER_FW_REV_ID (0x880a8c) /* chip revision */
Vladimir Kondratiev972072a2014-03-17 15:34:15 +0200134#define RGF_USER_CLKS_CTL_0 (0x880abc)
Vladimir Kondratiev151a9702014-09-10 16:34:30 +0300135 #define BIT_USER_CLKS_CAR_AHB_SW_SEL BIT(1) /* ref clk/PLL */
Vladimir Kondratiev972072a2014-03-17 15:34:15 +0200136 #define BIT_USER_CLKS_RST_PWGD BIT(11) /* reset on "power good" */
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800137#define RGF_USER_CLKS_CTL_SW_RST_VEC_0 (0x880b04)
138#define RGF_USER_CLKS_CTL_SW_RST_VEC_1 (0x880b08)
139#define RGF_USER_CLKS_CTL_SW_RST_VEC_2 (0x880b0c)
140#define RGF_USER_CLKS_CTL_SW_RST_VEC_3 (0x880b10)
Vladimir Kondratiev17123992014-03-17 15:34:14 +0200141#define RGF_USER_CLKS_CTL_SW_RST_MASK_0 (0x880b14)
Vladimir Kondratiev151a9702014-09-10 16:34:30 +0300142 #define BIT_HPAL_PERST_FROM_PAD BIT(6)
143 #define BIT_CAR_PERST_RST BIT(7)
Vladimir Kondratiev17123992014-03-17 15:34:14 +0200144#define RGF_USER_USER_ICR (0x880b4c) /* struct RGF_ICR */
145 #define BIT_USER_USER_ICR_SW_INT_2 BIT(18)
Vladimir Kondratiev65082812014-07-14 09:49:37 +0300146#define RGF_USER_CLKS_CTL_EXT_SW_RST_VEC_0 (0x880c18)
Vladimir Kondratiev151a9702014-09-10 16:34:30 +0300147#define RGF_USER_CLKS_CTL_EXT_SW_RST_VEC_1 (0x880c2c)
Vladimir Kondratiev48516292014-10-28 16:50:07 +0200148#define RGF_USER_SPARROW_M_4 (0x880c50) /* Sparrow */
149 #define BIT_SPARROW_M_4_SEL_SLEEP_OR_REF BIT(2)
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800150
151#define RGF_DMA_EP_TX_ICR (0x881bb4) /* struct RGF_ICR */
152 #define BIT_DMA_EP_TX_ICR_TX_DONE BIT(0)
153 #define BIT_DMA_EP_TX_ICR_TX_DONE_N(n) BIT(n+1) /* n = [0..23] */
154#define RGF_DMA_EP_RX_ICR (0x881bd0) /* struct RGF_ICR */
155 #define BIT_DMA_EP_RX_ICR_RX_DONE BIT(0)
Vladimir Kondratiev40e391b2014-12-01 15:33:16 +0200156 #define BIT_DMA_EP_RX_ICR_RX_HTRSH BIT(1)
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800157#define RGF_DMA_EP_MISC_ICR (0x881bec) /* struct RGF_ICR */
158 #define BIT_DMA_EP_MISC_ICR_RX_HTRSH BIT(0)
159 #define BIT_DMA_EP_MISC_ICR_TX_NO_ACT BIT(1)
Vladimir Kondratiev72694942013-01-28 18:30:56 +0200160 #define BIT_DMA_EP_MISC_ICR_FW_INT(n) BIT(28+n) /* n = [0..3] */
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800161
162/* Interrupt moderation control */
163#define RGF_DMA_ITR_CNT_TRSH (0x881c5c)
164#define RGF_DMA_ITR_CNT_DATA (0x881c60)
Vladimir Kondratiev17123992014-03-17 15:34:14 +0200165#define RGF_DMA_ITR_CNT_CRL (0x881c64)
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800166 #define BIT_DMA_ITR_CNT_CRL_EN BIT(0)
167 #define BIT_DMA_ITR_CNT_CRL_EXT_TICK BIT(1)
168 #define BIT_DMA_ITR_CNT_CRL_FOREVER BIT(2)
169 #define BIT_DMA_ITR_CNT_CRL_CLR BIT(3)
170 #define BIT_DMA_ITR_CNT_CRL_REACH_TRSH BIT(4)
171
Vladimir Kondratiev17123992014-03-17 15:34:14 +0200172#define RGF_DMA_PSEUDO_CAUSE (0x881c68)
173#define RGF_DMA_PSEUDO_CAUSE_MASK_SW (0x881c6c)
174#define RGF_DMA_PSEUDO_CAUSE_MASK_FW (0x881c70)
175 #define BIT_DMA_PSEUDO_CAUSE_RX BIT(0)
176 #define BIT_DMA_PSEUDO_CAUSE_TX BIT(1)
177 #define BIT_DMA_PSEUDO_CAUSE_MISC BIT(2)
178
Vladimir Kondratiev65082812014-07-14 09:49:37 +0300179#define RGF_HP_CTRL (0x88265c)
Vladimir Kondratiev17123992014-03-17 15:34:14 +0200180#define RGF_PCIE_LOS_COUNTER_CTL (0x882dc4)
181
Vladimir Kondratiev91b775e2014-08-06 10:31:49 +0300182/* MAC timer, usec, for packet lifetime */
183#define RGF_MAC_MTRL_COUNTER_0 (0x886aa8)
184
Vladimir Kondratiev151a9702014-09-10 16:34:30 +0300185#define RGF_CAF_ICR (0x88946c) /* struct RGF_ICR */
Vladimir Kondratiev48516292014-10-28 16:50:07 +0200186#define RGF_CAF_OSC_CONTROL (0x88afa4)
187 #define BIT_CAF_OSC_XTAL_EN BIT(0)
188#define RGF_CAF_PLL_LOCK_STATUS (0x88afec)
189 #define BIT_CAF_OSC_DIG_XTAL_STABLE BIT(0)
Vladimir Kondratiev151a9702014-09-10 16:34:30 +0300190
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800191/* popular locations */
192#define HOST_MBOX HOSTADDR(RGF_USER_USER_SCRATCH_PAD)
193#define HOST_SW_INT (HOSTADDR(RGF_USER_USER_ICR) + \
194 offsetof(struct RGF_ICR, ICS))
195#define SW_INT_MBOX BIT_USER_USER_ICR_SW_INT_2
196
197/* ISR register bits */
Vladimir Kondratiev72694942013-01-28 18:30:56 +0200198#define ISR_MISC_FW_READY BIT_DMA_EP_MISC_ICR_FW_INT(0)
199#define ISR_MISC_MBOX_EVT BIT_DMA_EP_MISC_ICR_FW_INT(1)
200#define ISR_MISC_FW_ERROR BIT_DMA_EP_MISC_ICR_FW_INT(3)
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800201
202/* Hardware definitions end */
Vladimir Kondratievb541d0a2014-07-14 09:49:41 +0300203struct fw_map {
204 u32 from; /* linker address - from, inclusive */
205 u32 to; /* linker address - to, exclusive */
206 u32 host; /* PCI/Host address - BAR0 + 0x880000 */
207 const char *name; /* for debugfs */
208};
Vladimir Kondratiev8fe59622014-09-10 16:34:34 +0300209
Vladimir Kondratievb541d0a2014-07-14 09:49:41 +0300210/* array size should be in sync with actual definition in the wmi.c */
Vladimir Kondratiev72269142014-07-14 09:49:43 +0300211extern const struct fw_map fw_mapping[7];
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800212
Vladimir Kondratieva70abea2014-03-17 15:34:05 +0200213/**
214 * mk_cidxtid - construct @cidxtid field
215 * @cid: CID value
216 * @tid: TID value
217 *
218 * @cidxtid field encoded as bits 0..3 - CID; 4..7 - TID
219 */
220static inline u8 mk_cidxtid(u8 cid, u8 tid)
221{
222 return ((tid & 0xf) << 4) | (cid & 0xf);
223}
224
225/**
226 * parse_cidxtid - parse @cidxtid field
227 * @cid: store CID value here
228 * @tid: store TID value here
229 *
230 * @cidxtid field encoded as bits 0..3 - CID; 4..7 - TID
231 */
232static inline void parse_cidxtid(u8 cidxtid, u8 *cid, u8 *tid)
233{
234 *cid = cidxtid & 0xf;
235 *tid = (cidxtid >> 4) & 0xf;
236}
237
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800238struct wil6210_mbox_ring {
239 u32 base;
240 u16 entry_size; /* max. size of mbox entry, incl. all headers */
241 u16 size;
242 u32 tail;
243 u32 head;
244} __packed;
245
246struct wil6210_mbox_ring_desc {
247 __le32 sync;
248 __le32 addr;
249} __packed;
250
251/* at HOST_OFF_WIL6210_MBOX_CTL */
252struct wil6210_mbox_ctl {
253 struct wil6210_mbox_ring tx;
254 struct wil6210_mbox_ring rx;
255} __packed;
256
257struct wil6210_mbox_hdr {
258 __le16 seq;
259 __le16 len; /* payload, bytes after this header */
260 __le16 type;
261 u8 flags;
262 u8 reserved;
263} __packed;
264
265#define WIL_MBOX_HDR_TYPE_WMI (0)
266
267/* max. value for wil6210_mbox_hdr.len */
268#define MAX_MBOXITEM_SIZE (240)
269
Vladimir Kondratievf988b232013-07-11 18:03:37 +0300270/**
271 * struct wil6210_mbox_hdr_wmi - WMI header
272 *
273 * @mid: MAC ID
274 * 00 - default, created by FW
275 * 01..0f - WiFi ports, driver to create
276 * 10..fe - debug
277 * ff - broadcast
278 * @id: command/event ID
279 * @timestamp: FW fills for events, free-running msec timer
280 */
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800281struct wil6210_mbox_hdr_wmi {
Vladimir Kondratievf988b232013-07-11 18:03:37 +0300282 u8 mid;
283 u8 reserved;
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800284 __le16 id;
Vladimir Kondratievf988b232013-07-11 18:03:37 +0300285 __le32 timestamp;
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800286} __packed;
287
288struct pending_wmi_event {
289 struct list_head list;
290 struct {
291 struct wil6210_mbox_hdr hdr;
292 struct wil6210_mbox_hdr_wmi wmi;
293 u8 data[0];
294 } __packed event;
295};
296
Vladimir Kondratiev2232abd2014-03-17 15:34:09 +0200297enum { /* for wil_ctx.mapped_as */
298 wil_mapped_as_none = 0,
299 wil_mapped_as_single = 1,
300 wil_mapped_as_page = 2,
301};
302
Vladimir Kondratievf88f1132013-07-11 18:03:40 +0300303/**
304 * struct wil_ctx - software context for Vring descriptor
305 */
306struct wil_ctx {
307 struct sk_buff *skb;
Vladimir Kondratievc2366582014-03-17 15:34:08 +0200308 u8 nr_frags;
Vladimir Kondratiev2232abd2014-03-17 15:34:09 +0200309 u8 mapped_as;
Vladimir Kondratievf88f1132013-07-11 18:03:40 +0300310};
311
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800312union vring_desc;
313
314struct vring {
315 dma_addr_t pa;
316 volatile union vring_desc *va; /* vring_desc[size], WriteBack by DMA */
317 u16 size; /* number of vring_desc elements */
318 u32 swtail;
319 u32 swhead;
320 u32 hwtail; /* write here to inform hw */
Vladimir Kondratievf88f1132013-07-11 18:03:40 +0300321 struct wil_ctx *ctx; /* ctx[size] - software context */
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800322};
323
Vladimir Kondratiev097638a2014-03-17 15:34:25 +0200324/**
325 * Additional data for Tx Vring
326 */
327struct vring_tx_data {
328 int enabled;
Vladimir Kondratiev7c0acf82014-06-16 19:37:05 +0300329 cycles_t idle, last_idle, begin;
Vladimir Kondratiev32772132014-12-23 09:47:03 +0200330 u8 agg_wsize; /* agreed aggregation window, 0 - no agg */
331 u16 agg_timeout;
Vladimir Kondratievcbcf5862014-12-23 09:47:09 +0200332 u8 agg_amsdu;
Vladimir Kondratiev3a124ed2014-12-23 09:47:04 +0200333 bool addba_in_progress; /* if set, agg_xxx is for request in progress */
Vladimir Kondratiev097638a2014-03-17 15:34:25 +0200334};
335
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800336enum { /* for wil6210_priv.status */
337 wil_status_fwready = 0,
Vladimir Kondratievb338f742013-05-28 15:17:53 +0300338 wil_status_fwconnecting,
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800339 wil_status_fwconnected,
340 wil_status_dontscan,
Vladimir Kondratiev55f7acd2013-03-13 14:12:49 +0200341 wil_status_reset_done,
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800342 wil_status_irqen, /* FIXME: interrupts enabled - for debug */
Vladimir Kondratiev0fef1812014-03-17 15:34:18 +0200343 wil_status_napi_en, /* NAPI enabled protected by wil->mutex */
Vladimir Kondratiev9419b6a2014-12-23 09:47:14 +0200344 wil_status_last /* keep last */
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800345};
346
347struct pci_dev;
348
Vladimir Kondratievb4490f42014-02-27 16:20:44 +0200349/**
350 * struct tid_ampdu_rx - TID aggregation information (Rx).
351 *
352 * @reorder_buf: buffer to reorder incoming aggregated MPDUs
353 * @reorder_time: jiffies when skb was added
354 * @session_timer: check if peer keeps Tx-ing on the TID (by timeout value)
355 * @reorder_timer: releases expired frames from the reorder buffer.
356 * @last_rx: jiffies of last rx activity
357 * @head_seq_num: head sequence number in reordering buffer.
358 * @stored_mpdu_num: number of MPDUs in reordering buffer
359 * @ssn: Starting Sequence Number expected to be aggregated.
360 * @buf_size: buffer size for incoming A-MPDUs
361 * @timeout: reset timer value (in TUs).
362 * @dialog_token: dialog token for aggregation session
363 * @rcu_head: RCU head used for freeing this struct
Vladimir Kondratievb4490f42014-02-27 16:20:44 +0200364 *
365 * This structure's lifetime is managed by RCU, assignments to
366 * the array holding it must hold the aggregation mutex.
367 *
Vladimir Kondratievb4490f42014-02-27 16:20:44 +0200368 */
369struct wil_tid_ampdu_rx {
Vladimir Kondratievb4490f42014-02-27 16:20:44 +0200370 struct sk_buff **reorder_buf;
371 unsigned long *reorder_time;
372 struct timer_list session_timer;
373 struct timer_list reorder_timer;
374 unsigned long last_rx;
375 u16 head_seq_num;
376 u16 stored_mpdu_num;
377 u16 ssn;
378 u16 buf_size;
379 u16 timeout;
Vladimir Kondratievd5b1c322014-06-16 19:37:07 +0300380 u16 ssn_last_drop;
Vladimir Kondratievb4490f42014-02-27 16:20:44 +0200381 u8 dialog_token;
Vladimir Kondratievc888cdd2014-04-08 11:36:18 +0300382 bool first_time; /* is it 1-st time this buffer used? */
Vladimir Kondratievb4490f42014-02-27 16:20:44 +0200383};
384
Vladimir Kondratiev3df2cd362014-02-27 16:20:43 +0200385enum wil_sta_status {
386 wil_sta_unused = 0,
387 wil_sta_conn_pending = 1,
388 wil_sta_connected = 2,
389};
Vladimir Kondratievb4490f42014-02-27 16:20:44 +0200390
391#define WIL_STA_TID_NUM (16)
392
Vladimir Kondratievc8b78b52014-02-27 16:20:49 +0200393struct wil_net_stats {
394 unsigned long rx_packets;
395 unsigned long tx_packets;
396 unsigned long rx_bytes;
397 unsigned long tx_bytes;
398 unsigned long tx_errors;
399 unsigned long rx_dropped;
400 u16 last_mcs_rx;
401};
402
Vladimir Kondratiev3df2cd362014-02-27 16:20:43 +0200403/**
404 * struct wil_sta_info - data for peer
405 *
406 * Peer identified by its CID (connection ID)
407 * NIC performs beam forming for each peer;
408 * if no beam forming done, frame exchange is not
409 * possible.
410 */
411struct wil_sta_info {
412 u8 addr[ETH_ALEN];
413 enum wil_sta_status status;
Vladimir Kondratievc8b78b52014-02-27 16:20:49 +0200414 struct wil_net_stats stats;
Vladimir Kondratieve58c9f72014-03-17 15:34:06 +0200415 bool data_port_open; /* can send any data, not only EAPOL */
Vladimir Kondratievb4490f42014-02-27 16:20:44 +0200416 /* Rx BACK */
417 struct wil_tid_ampdu_rx *tid_rx[WIL_STA_TID_NUM];
Dedy Lanskyec81b5a2014-09-10 16:34:42 +0300418 spinlock_t tid_rx_lock; /* guarding tid_rx array */
Vladimir Kondratievb4490f42014-02-27 16:20:44 +0200419 unsigned long tid_rx_timer_expired[BITS_TO_LONGS(WIL_STA_TID_NUM)];
420 unsigned long tid_rx_stop_requested[BITS_TO_LONGS(WIL_STA_TID_NUM)];
Vladimir Kondratiev3df2cd362014-02-27 16:20:43 +0200421};
422
Vladimir Kondratievc33407a2014-10-01 15:05:24 +0300423enum {
424 fw_recovery_idle = 0,
425 fw_recovery_pending = 1,
426 fw_recovery_running = 2,
427};
428
Vladimir Kondratiev32772132014-12-23 09:47:03 +0200429struct wil_back_rx {
430 struct list_head list;
431 /* request params, converted to CPU byte order - what we asked for */
432 u8 cidxtid;
433 u8 dialog_token;
434 u16 ba_param_set;
435 u16 ba_timeout;
436 u16 ba_seq_ctrl;
437};
438
Vladimir Kondratiev3a124ed2014-12-23 09:47:04 +0200439struct wil_back_tx {
440 struct list_head list;
441 /* request params, converted to CPU byte order - what we asked for */
442 u8 ringid;
443 u8 agg_wsize;
444 u16 agg_timeout;
445};
446
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800447struct wil6210_priv {
448 struct pci_dev *pdev;
449 int n_msi;
450 struct wireless_dev *wdev;
451 void __iomem *csr;
Vladimir Kondratiev9419b6a2014-12-23 09:47:14 +0200452 DECLARE_BITMAP(status, wil_status_last);
Vladimir Kondratievb8023172013-03-13 14:12:50 +0200453 u32 fw_version;
Vladimir Kondratiev36b10a72014-03-17 15:34:10 +0200454 u32 hw_version;
Vladimir Kondratiev65082812014-07-14 09:49:37 +0300455 struct wil_board *board;
Vladimir Kondratievb8023172013-03-13 14:12:50 +0200456 u8 n_mids; /* number of additional MIDs as reported by FW */
Vladimir Kondratievc33407a2014-10-01 15:05:24 +0300457 u32 recovery_count; /* num of FW recovery attempts in a short time */
458 u32 recovery_state; /* FW recovery state machine */
Vladimir Kondratievfc219ee2014-05-27 14:45:45 +0300459 unsigned long last_fw_recovery; /* jiffies of last fw recovery */
Vladimir Kondratievc33407a2014-10-01 15:05:24 +0300460 wait_queue_head_t wq; /* for all wait_event() use */
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800461 /* profile */
462 u32 monitor_flags;
463 u32 secure_pcp; /* create secure PCP? */
464 int sinfo_gen;
Vladimir Kondratievb6b1b0e2014-09-22 15:31:41 +0300465 u32 itr_trsh;
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800466 /* cached ISR registers */
467 u32 isr_misc;
468 /* mailbox related */
469 struct mutex wmi_mutex;
470 struct wil6210_mbox_ctl mbox_ctl;
471 struct completion wmi_ready;
Dedy Lansky59502642014-09-10 16:34:46 +0300472 struct completion wmi_call;
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800473 u16 wmi_seq;
474 u16 reply_id; /**< wait for this WMI event */
475 void *reply_buf;
476 u16 reply_size;
477 struct workqueue_struct *wmi_wq; /* for deferred calls */
478 struct work_struct wmi_event_worker;
Vladimir Kondratiev32772132014-12-23 09:47:03 +0200479 struct workqueue_struct *wq_service;
Vladimir Kondratievd81079f2013-03-13 14:12:43 +0200480 struct work_struct connect_worker;
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800481 struct work_struct disconnect_worker;
Vladimir Kondratieved6f9dc2014-03-17 15:34:19 +0200482 struct work_struct fw_error_worker; /* for FW error recovery */
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800483 struct timer_list connect_timer;
Vladimir Kondratiev047e5d72014-05-27 14:45:48 +0300484 struct timer_list scan_timer; /* detect scan timeout */
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800485 int pending_connect_cid;
486 struct list_head pending_wmi_ev;
487 /*
488 * protect pending_wmi_ev
489 * - fill in IRQ from wil6210_irq_misc,
490 * - consumed in thread by wmi_event_worker
491 */
492 spinlock_t wmi_ev_lock;
Vladimir Kondratieve0287c42013-05-12 14:43:36 +0300493 struct napi_struct napi_rx;
494 struct napi_struct napi_tx;
Vladimir Kondratiev32772132014-12-23 09:47:03 +0200495 /* BACK */
496 struct list_head back_rx_pending;
497 struct mutex back_rx_mutex; /* protect @back_rx_pending */
498 struct work_struct back_rx_worker;
Vladimir Kondratiev3a124ed2014-12-23 09:47:04 +0200499 struct list_head back_tx_pending;
500 struct mutex back_tx_mutex; /* protect @back_tx_pending */
501 struct work_struct back_tx_worker;
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800502 /* DMA related */
503 struct vring vring_rx;
504 struct vring vring_tx[WIL6210_MAX_TX_RINGS];
Vladimir Kondratiev097638a2014-03-17 15:34:25 +0200505 struct vring_tx_data vring_tx_data[WIL6210_MAX_TX_RINGS];
Vladimir Kondratiev3df2cd362014-02-27 16:20:43 +0200506 u8 vring2cid_tid[WIL6210_MAX_TX_RINGS][2]; /* [0] - CID, [1] - TID */
507 struct wil_sta_info sta[WIL6210_MAX_CID];
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800508 /* scan */
509 struct cfg80211_scan_request *scan_request;
510
511 struct mutex mutex; /* for wil6210_priv access in wil_{up|down} */
512 /* statistics */
Vladimir Kondratievbe299852014-06-16 19:37:22 +0300513 atomic_t isr_count_rx, isr_count_tx;
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800514 /* debugfs */
515 struct dentry *debug;
Vladimir Kondratievb541d0a2014-07-14 09:49:41 +0300516 struct debugfs_blob_wrapper blobs[ARRAY_SIZE(fw_mapping)];
Vladimir Kondratievf772ebf2014-09-10 16:34:35 +0300517
518 void *platform_handle;
519 struct wil_platform_ops platform_ops;
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800520};
521
522#define wil_to_wiphy(i) (i->wdev->wiphy)
523#define wil_to_dev(i) (wiphy_dev(wil_to_wiphy(i)))
524#define wiphy_to_wil(w) (struct wil6210_priv *)(wiphy_priv(w))
525#define wil_to_wdev(i) (i->wdev)
526#define wdev_to_wil(w) (struct wil6210_priv *)(wdev_priv(w))
527#define wil_to_ndev(i) (wil_to_wdev(i)->netdev)
528#define ndev_to_wil(n) (wdev_to_wil(n->ieee80211_ptr))
529
Joe Perchesbabcb3e2014-09-22 10:35:34 -0700530__printf(2, 3)
David S. Miller57219dc2014-09-26 15:19:05 -0400531void wil_dbg_trace(struct wil6210_priv *wil, const char *fmt, ...);
Joe Perchesbabcb3e2014-09-22 10:35:34 -0700532__printf(2, 3)
David S. Miller57219dc2014-09-26 15:19:05 -0400533void wil_err(struct wil6210_priv *wil, const char *fmt, ...);
Joe Perchesbabcb3e2014-09-22 10:35:34 -0700534__printf(2, 3)
Vladimir Kondratiev40e391b2014-12-01 15:33:16 +0200535void wil_err_ratelimited(struct wil6210_priv *wil, const char *fmt, ...);
536__printf(2, 3)
David S. Miller57219dc2014-09-26 15:19:05 -0400537void wil_info(struct wil6210_priv *wil, const char *fmt, ...);
Vladimir Kondratiev98658092013-05-12 14:43:35 +0300538#define wil_dbg(wil, fmt, arg...) do { \
539 netdev_dbg(wil_to_ndev(wil), fmt, ##arg); \
540 wil_dbg_trace(wil, fmt, ##arg); \
541} while (0)
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800542
Vladimir Kondratiev77438822013-01-28 18:31:06 +0200543#define wil_dbg_irq(wil, fmt, arg...) wil_dbg(wil, "DBG[ IRQ]" fmt, ##arg)
544#define wil_dbg_txrx(wil, fmt, arg...) wil_dbg(wil, "DBG[TXRX]" fmt, ##arg)
545#define wil_dbg_wmi(wil, fmt, arg...) wil_dbg(wil, "DBG[ WMI]" fmt, ##arg)
546#define wil_dbg_misc(wil, fmt, arg...) wil_dbg(wil, "DBG[MISC]" fmt, ##arg)
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800547
Vladimir Kondratiev871d8c42014-09-10 16:34:39 +0300548#if defined(CONFIG_DYNAMIC_DEBUG)
Vladimir Kondratiev77438822013-01-28 18:31:06 +0200549#define wil_hex_dump_txrx(prefix_str, prefix_type, rowsize, \
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800550 groupsize, buf, len, ascii) \
Vladimir Kondratiev3b0378a2013-03-13 14:12:38 +0200551 print_hex_dump_debug("DBG[TXRX]" prefix_str,\
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800552 prefix_type, rowsize, \
553 groupsize, buf, len, ascii)
554
Vladimir Kondratiev77438822013-01-28 18:31:06 +0200555#define wil_hex_dump_wmi(prefix_str, prefix_type, rowsize, \
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800556 groupsize, buf, len, ascii) \
Vladimir Kondratiev3b0378a2013-03-13 14:12:38 +0200557 print_hex_dump_debug("DBG[ WMI]" prefix_str,\
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800558 prefix_type, rowsize, \
559 groupsize, buf, len, ascii)
Vladimir Kondratieva43b5142014-09-14 11:14:10 +0300560#else /* defined(CONFIG_DYNAMIC_DEBUG) */
561static inline
562void wil_hex_dump_txrx(const char *prefix_str, int prefix_type, int rowsize,
563 int groupsize, const void *buf, size_t len, bool ascii)
564{
565}
566
567static inline
568void wil_hex_dump_wmi(const char *prefix_str, int prefix_type, int rowsize,
569 int groupsize, const void *buf, size_t len, bool ascii)
570{
571}
572#endif /* defined(CONFIG_DYNAMIC_DEBUG) */
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800573
574void wil_memcpy_fromio_32(void *dst, const volatile void __iomem *src,
575 size_t count);
576void wil_memcpy_toio_32(volatile void __iomem *dst, const void *src,
577 size_t count);
578
579void *wil_if_alloc(struct device *dev, void __iomem *csr);
580void wil_if_free(struct wil6210_priv *wil);
581int wil_if_add(struct wil6210_priv *wil);
582void wil_if_remove(struct wil6210_priv *wil);
583int wil_priv_init(struct wil6210_priv *wil);
584void wil_priv_deinit(struct wil6210_priv *wil);
585int wil_reset(struct wil6210_priv *wil);
Vladimir Kondratievb6b1b0e2014-09-22 15:31:41 +0300586void wil_set_itr_trsh(struct wil6210_priv *wil);
Vladimir Kondratieved6f9dc2014-03-17 15:34:19 +0200587void wil_fw_error_recovery(struct wil6210_priv *wil);
Vladimir Kondratievc33407a2014-10-01 15:05:24 +0300588void wil_set_recovery_state(struct wil6210_priv *wil, int state);
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800589void wil_link_on(struct wil6210_priv *wil);
590void wil_link_off(struct wil6210_priv *wil);
591int wil_up(struct wil6210_priv *wil);
Vladimir Kondratiev73d839a2014-09-10 16:34:50 +0300592int __wil_up(struct wil6210_priv *wil);
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800593int wil_down(struct wil6210_priv *wil);
Vladimir Kondratiev73d839a2014-09-10 16:34:50 +0300594int __wil_down(struct wil6210_priv *wil);
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800595void wil_mbox_ring_le2cpus(struct wil6210_mbox_ring *r);
Vladimir Kondratiev3df2cd362014-02-27 16:20:43 +0200596int wil_find_cid(struct wil6210_priv *wil, const u8 *mac);
Vladimir Kondratievb6b1b0e2014-09-22 15:31:41 +0300597void wil_set_ethtoolops(struct net_device *ndev);
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800598
599void __iomem *wmi_buffer(struct wil6210_priv *wil, __le32 ptr);
600void __iomem *wmi_addr(struct wil6210_priv *wil, u32 ptr);
601int wmi_read_hdr(struct wil6210_priv *wil, __le32 ptr,
602 struct wil6210_mbox_hdr *hdr);
603int wmi_send(struct wil6210_priv *wil, u16 cmdid, void *buf, u16 len);
604void wmi_recv_cmd(struct wil6210_priv *wil);
605int wmi_call(struct wil6210_priv *wil, u16 cmdid, void *buf, u16 len,
606 u16 reply_id, void *reply, u8 reply_size, int to_msec);
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800607void wmi_event_worker(struct work_struct *work);
608void wmi_event_flush(struct wil6210_priv *wil);
609int wmi_set_ssid(struct wil6210_priv *wil, u8 ssid_len, const void *ssid);
610int wmi_get_ssid(struct wil6210_priv *wil, u8 *ssid_len, void *ssid);
611int wmi_set_channel(struct wil6210_priv *wil, int channel);
612int wmi_get_channel(struct wil6210_priv *wil, int *channel);
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800613int wmi_del_cipher_key(struct wil6210_priv *wil, u8 key_index,
614 const void *mac_addr);
615int wmi_add_cipher_key(struct wil6210_priv *wil, u8 key_index,
616 const void *mac_addr, int key_len, const void *key);
617int wmi_echo(struct wil6210_priv *wil);
618int wmi_set_ie(struct wil6210_priv *wil, u8 type, u16 ie_len, const void *ie);
Vladimir Kondratiev47e19af2013-01-28 18:30:59 +0200619int wmi_rx_chain_add(struct wil6210_priv *wil, struct vring *vring);
Vladimir Kondratievb8023172013-03-13 14:12:50 +0200620int wmi_p2p_cfg(struct wil6210_priv *wil, int channel);
Vladimir Kondratiev1647f122014-02-27 16:20:40 +0200621int wmi_rxon(struct wil6210_priv *wil, bool on);
Vladimir Kondratiev1a2780e2013-03-13 14:12:51 +0200622int wmi_get_temperature(struct wil6210_priv *wil, u32 *t_m, u32 *t_r);
Vladimir Kondratiev4d55a0a2014-02-27 16:20:54 +0200623int wmi_disconnect_sta(struct wil6210_priv *wil, const u8 *mac, u16 reason);
Vladimir Kondratiev32772132014-12-23 09:47:03 +0200624int wmi_addba(struct wil6210_priv *wil, u8 ringid, u8 size, u16 timeout);
Vladimir Kondratiev26a359d2014-12-23 09:47:10 +0200625int wmi_delba_tx(struct wil6210_priv *wil, u8 ringid, u16 reason);
626int wmi_delba_rx(struct wil6210_priv *wil, u8 cidxtid, u16 reason);
Vladimir Kondratiev32772132014-12-23 09:47:03 +0200627int wmi_addba_rx_resp(struct wil6210_priv *wil, u8 cid, u8 tid, u8 token,
628 u16 status, bool amsdu, u16 agg_wsize, u16 timeout);
629int wil_addba_rx_request(struct wil6210_priv *wil, u8 cidxtid,
630 u8 dialog_token, __le16 ba_param_set,
631 __le16 ba_timeout, __le16 ba_seq_ctrl);
632void wil_back_rx_worker(struct work_struct *work);
633void wil_back_rx_flush(struct wil6210_priv *wil);
Vladimir Kondratiev3a3def82014-12-23 09:47:05 +0200634int wil_addba_tx_request(struct wil6210_priv *wil, u8 ringid, u16 wsize);
Vladimir Kondratiev3a124ed2014-12-23 09:47:04 +0200635void wil_back_tx_worker(struct work_struct *work);
636void wil_back_tx_flush(struct wil6210_priv *wil);
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800637
Vladimir Kondratievf4b5a802014-03-17 15:34:13 +0200638void wil6210_clear_irq(struct wil6210_priv *wil);
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800639int wil6210_init_irq(struct wil6210_priv *wil, int irq);
640void wil6210_fini_irq(struct wil6210_priv *wil, int irq);
Vladimir Kondratieve4dbb092014-09-10 16:34:49 +0300641void wil_mask_irq(struct wil6210_priv *wil);
642void wil_unmask_irq(struct wil6210_priv *wil);
Vladimir Kondratiev73d839a2014-09-10 16:34:50 +0300643void wil_disable_irq(struct wil6210_priv *wil);
644void wil_enable_irq(struct wil6210_priv *wil);
Vladimir Kondratiev0b39aaf2014-06-16 19:36:59 +0300645int wil_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
646 struct cfg80211_mgmt_tx_params *params,
647 u64 *cookie);
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800648
649int wil6210_debugfs_init(struct wil6210_priv *wil);
650void wil6210_debugfs_remove(struct wil6210_priv *wil);
Vladimir Kondratiev9eb82d42014-06-16 19:37:13 +0300651int wil_cid_fill_sinfo(struct wil6210_priv *wil, int cid,
652 struct station_info *sinfo);
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800653
654struct wireless_dev *wil_cfg80211_init(struct device *dev);
655void wil_wdev_free(struct wil6210_priv *wil);
656
657int wmi_set_mac_address(struct wil6210_priv *wil, void *addr);
Vladimir Kondratievb8023172013-03-13 14:12:50 +0200658int wmi_pcp_start(struct wil6210_priv *wil, int bi, u8 wmi_nettype, u8 chan);
659int wmi_pcp_stop(struct wil6210_priv *wil);
Vladimir Kondratievb516fcc2014-10-28 16:50:08 +0200660void wil6210_disconnect(struct wil6210_priv *wil, const u8 *bssid,
Vladimir Kondratiev4821e6d2014-12-01 15:33:15 +0200661 u16 reason_code, bool from_event);
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800662
Vladimir Kondratievd3762b42014-12-01 15:35:02 +0200663int wil_rx_init(struct wil6210_priv *wil, u16 size);
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800664void wil_rx_fini(struct wil6210_priv *wil);
665
666/* TX API */
667int wil_vring_init_tx(struct wil6210_priv *wil, int id, int size,
668 int cid, int tid);
669void wil_vring_fini_tx(struct wil6210_priv *wil, int id);
670
671netdev_tx_t wil_start_xmit(struct sk_buff *skb, struct net_device *ndev);
Vladimir Kondratieve0287c42013-05-12 14:43:36 +0300672int wil_tx_complete(struct wil6210_priv *wil, int ringid);
673void wil6210_unmask_irq_tx(struct wil6210_priv *wil);
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800674
675/* RX API */
Vladimir Kondratieve0287c42013-05-12 14:43:36 +0300676void wil_rx_handle(struct wil6210_priv *wil, int *quota);
677void wil6210_unmask_irq_rx(struct wil6210_priv *wil);
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800678
679int wil_iftype_nl2wmi(enum nl80211_iftype type);
680
Vladimir Kondratievdba4b742014-10-01 15:05:25 +0300681int wil_ioctl(struct wil6210_priv *wil, void __user *data, int cmd);
Vladimir Kondratiev151a9702014-09-10 16:34:30 +0300682int wil_request_firmware(struct wil6210_priv *wil, const char *name);
Vladimir Kondratievdba4b742014-10-01 15:05:25 +0300683
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800684#endif /* __WIL6210_H__ */