2 * Copyright (c) 2012-2017 Qualcomm Atheros, Inc.
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.
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.
20 #include <linux/etherdevice.h>
21 #include <linux/netdevice.h>
22 #include <linux/wireless.h>
23 #include <net/cfg80211.h>
24 #include <linux/timex.h>
25 #include <linux/types.h>
27 #include "wil_platform.h"
29 extern bool no_fw_recovery;
30 extern unsigned int mtu_max;
31 extern unsigned short rx_ring_overflow_thrsh;
33 extern bool rx_align_2;
34 extern bool rx_large_buf;
36 extern bool disable_ap_sme;
38 #define WIL_NAME "wil6210"
40 #define WIL_FW_NAME_DEFAULT "/*(DEBLOBBED)*/"
41 #define WIL_FW_NAME_FTM_DEFAULT "/*(DEBLOBBED)*/"
43 #define WIL_FW_NAME_SPARROW_PLUS "/*(DEBLOBBED)*/"
44 #define WIL_FW_NAME_FTM_SPARROW_PLUS "/*(DEBLOBBED)*/"
46 #define WIL_BOARD_FILE_NAME "wil6210.brd" /* board & radio parameters */
48 #define WIL_DEFAULT_BUS_REQUEST_KBPS 128000 /* ~1Gbps */
49 #define WIL_MAX_BUS_REQUEST_KBPS 800000 /* ~6.1Gbps */
52 * extract bits [@b0:@b1] (inclusive) from the value @x
53 * it should be @b0 <= @b1, or result is incorrect
55 static inline u32 WIL_GET_BITS(u32 x, int b0, int b1)
57 return (x >> b0) & ((1 << (b1 - b0 + 1)) - 1);
60 #define WIL6210_MIN_MEM_SIZE (2 * 1024 * 1024UL)
61 #define WIL6210_MAX_MEM_SIZE (4 * 1024 * 1024UL)
63 #define WIL_TX_Q_LEN_DEFAULT (4000)
64 #define WIL_RX_RING_SIZE_ORDER_DEFAULT (10)
65 #define WIL_TX_RING_SIZE_ORDER_DEFAULT (12)
66 #define WIL_BCAST_RING_SIZE_ORDER_DEFAULT (7)
67 #define WIL_BCAST_MCS0_LIMIT (1024) /* limit for MCS0 frame size */
68 /* limit ring size in range [32..32k] */
69 #define WIL_RING_SIZE_ORDER_MIN (5)
70 #define WIL_RING_SIZE_ORDER_MAX (15)
71 #define WIL6210_MAX_TX_RINGS (24) /* HW limit */
72 #define WIL6210_MAX_CID (8) /* HW limit */
73 #define WIL6210_NAPI_BUDGET (16) /* arbitrary */
74 #define WIL_MAX_AMPDU_SIZE (64 * 1024) /* FW/HW limit */
75 #define WIL_MAX_AGG_WSIZE (32) /* FW/HW limit */
76 /* Hardware offload block adds the following:
77 * 26 bytes - 3-address QoS data header
78 * 8 bytes - IV + EIV (for GCMP)
80 * 16 bytes - MIC (for GCMP)
83 #define WIL_MAX_MPDU_OVERHEAD (62)
85 struct wil_suspend_stats {
86 unsigned long successful_suspends;
87 unsigned long failed_suspends;
88 unsigned long successful_resumes;
89 unsigned long failed_resumes;
90 unsigned long rejected_by_device;
91 unsigned long rejected_by_host;
92 unsigned long long total_suspend_time;
93 unsigned long long min_suspend_time;
94 unsigned long long max_suspend_time;
95 ktime_t collection_start;
96 ktime_t suspend_start_time;
99 /* Calculate MAC buffer size for the firmware. It includes all overhead,
100 * as it will go over the air, and need to be 8 byte aligned
102 static inline u32 wil_mtu2macbuf(u32 mtu)
104 return ALIGN(mtu + WIL_MAX_MPDU_OVERHEAD, 8);
107 /* MTU for Ethernet need to take into account 8-byte SNAP header
108 * to be added when encapsulating Ethernet frame into 802.11
110 #define WIL_MAX_ETH_MTU (IEEE80211_MAX_DATA_LEN_DMG - 8)
111 /* Max supported by wil6210 value for interrupt threshold is 5sec. */
112 #define WIL6210_ITR_TRSH_MAX (5000000)
113 #define WIL6210_ITR_TX_INTERFRAME_TIMEOUT_DEFAULT (13) /* usec */
114 #define WIL6210_ITR_RX_INTERFRAME_TIMEOUT_DEFAULT (13) /* usec */
115 #define WIL6210_ITR_TX_MAX_BURST_DURATION_DEFAULT (500) /* usec */
116 #define WIL6210_ITR_RX_MAX_BURST_DURATION_DEFAULT (500) /* usec */
117 #define WIL6210_FW_RECOVERY_RETRIES (5) /* try to recover this many times */
118 #define WIL6210_FW_RECOVERY_TO msecs_to_jiffies(5000)
119 #define WIL6210_SCAN_TO msecs_to_jiffies(10000)
120 #define WIL6210_DISCONNECT_TO_MS (2000)
121 #define WIL6210_RX_HIGH_TRSH_INIT (0)
122 #define WIL6210_RX_HIGH_TRSH_DEFAULT \
123 (1 << (WIL_RX_RING_SIZE_ORDER_DEFAULT - 3))
124 #define WIL_MAX_DMG_AID 254 /* for DMG only 1-254 allowed (see
125 * 802.11REVmc/D5.0, section 9.4.1.8)
127 /* Hardware definitions begin */
131 * RGF File | Host addr | FW addr
133 * user_rgf | 0x000000 | 0x880000
134 * dma_rgf | 0x001000 | 0x881000
135 * pcie_rgf | 0x002000 | 0x882000
139 /* Where various structures placed in host address space */
140 #define WIL6210_FW_HOST_OFF (0x880000UL)
142 #define HOSTADDR(fwaddr) (fwaddr - WIL6210_FW_HOST_OFF)
145 * Interrupt control registers block
147 * each interrupt controlled by the same bit in all registers
150 u32 ICC; /* Cause Control, RW: 0 - W1C, 1 - COR */
151 u32 ICR; /* Cause, W1C/COR depending on ICC */
152 u32 ICM; /* Cause masked (ICR & ~IMV), W1C/COR depending on ICC */
153 u32 ICS; /* Cause Set, WO */
154 u32 IMV; /* Mask, RW+S/C */
155 u32 IMS; /* Mask Set, write 1 to set */
156 u32 IMC; /* Mask Clear, write 1 to clear */
159 /* registers - FW addresses */
160 #define RGF_USER_USAGE_1 (0x880004)
161 #define RGF_USER_USAGE_6 (0x880018)
162 #define BIT_USER_OOB_MODE BIT(31)
163 #define BIT_USER_OOB_R2_MODE BIT(30)
164 #define RGF_USER_HW_MACHINE_STATE (0x8801dc)
165 #define HW_MACHINE_BOOT_DONE (0x3fffffd)
166 #define RGF_USER_USER_CPU_0 (0x8801e0)
167 #define BIT_USER_USER_CPU_MAN_RST BIT(1) /* user_cpu_man_rst */
168 #define RGF_USER_MAC_CPU_0 (0x8801fc)
169 #define BIT_USER_MAC_CPU_MAN_RST BIT(1) /* mac_cpu_man_rst */
170 #define RGF_USER_USER_SCRATCH_PAD (0x8802bc)
171 #define RGF_USER_BL (0x880A3C) /* Boot Loader */
172 #define RGF_USER_FW_REV_ID (0x880a8c) /* chip revision */
173 #define RGF_USER_FW_CALIB_RESULT (0x880a90) /* b0-7:result
176 #define CALIB_RESULT_SIGNATURE (0x11)
177 #define RGF_USER_CLKS_CTL_0 (0x880abc)
178 #define BIT_USER_CLKS_CAR_AHB_SW_SEL BIT(1) /* ref clk/PLL */
179 #define BIT_USER_CLKS_RST_PWGD BIT(11) /* reset on "power good" */
180 #define RGF_USER_CLKS_CTL_SW_RST_VEC_0 (0x880b04)
181 #define RGF_USER_CLKS_CTL_SW_RST_VEC_1 (0x880b08)
182 #define RGF_USER_CLKS_CTL_SW_RST_VEC_2 (0x880b0c)
183 #define RGF_USER_CLKS_CTL_SW_RST_VEC_3 (0x880b10)
184 #define RGF_USER_CLKS_CTL_SW_RST_MASK_0 (0x880b14)
185 #define BIT_HPAL_PERST_FROM_PAD BIT(6)
186 #define BIT_CAR_PERST_RST BIT(7)
187 #define RGF_USER_USER_ICR (0x880b4c) /* struct RGF_ICR */
188 #define BIT_USER_USER_ICR_SW_INT_2 BIT(18)
189 #define RGF_USER_CLKS_CTL_EXT_SW_RST_VEC_0 (0x880c18)
190 #define RGF_USER_CLKS_CTL_EXT_SW_RST_VEC_1 (0x880c2c)
191 #define RGF_USER_SPARROW_M_4 (0x880c50) /* Sparrow */
192 #define BIT_SPARROW_M_4_SEL_SLEEP_OR_REF BIT(2)
194 #define RGF_DMA_EP_TX_ICR (0x881bb4) /* struct RGF_ICR */
195 #define BIT_DMA_EP_TX_ICR_TX_DONE BIT(0)
196 #define BIT_DMA_EP_TX_ICR_TX_DONE_N(n) BIT(n+1) /* n = [0..23] */
197 #define RGF_DMA_EP_RX_ICR (0x881bd0) /* struct RGF_ICR */
198 #define BIT_DMA_EP_RX_ICR_RX_DONE BIT(0)
199 #define BIT_DMA_EP_RX_ICR_RX_HTRSH BIT(1)
200 #define RGF_DMA_EP_MISC_ICR (0x881bec) /* struct RGF_ICR */
201 #define BIT_DMA_EP_MISC_ICR_RX_HTRSH BIT(0)
202 #define BIT_DMA_EP_MISC_ICR_TX_NO_ACT BIT(1)
203 #define BIT_DMA_EP_MISC_ICR_HALP BIT(27)
204 #define BIT_DMA_EP_MISC_ICR_FW_INT(n) BIT(28+n) /* n = [0..3] */
206 /* Legacy interrupt moderation control (before Sparrow v2)*/
207 #define RGF_DMA_ITR_CNT_TRSH (0x881c5c)
208 #define RGF_DMA_ITR_CNT_DATA (0x881c60)
209 #define RGF_DMA_ITR_CNT_CRL (0x881c64)
210 #define BIT_DMA_ITR_CNT_CRL_EN BIT(0)
211 #define BIT_DMA_ITR_CNT_CRL_EXT_TICK BIT(1)
212 #define BIT_DMA_ITR_CNT_CRL_FOREVER BIT(2)
213 #define BIT_DMA_ITR_CNT_CRL_CLR BIT(3)
214 #define BIT_DMA_ITR_CNT_CRL_REACH_TRSH BIT(4)
216 /* Offload control (Sparrow B0+) */
217 #define RGF_DMA_OFUL_NID_0 (0x881cd4)
218 #define BIT_DMA_OFUL_NID_0_RX_EXT_TR_EN BIT(0)
219 #define BIT_DMA_OFUL_NID_0_TX_EXT_TR_EN BIT(1)
220 #define BIT_DMA_OFUL_NID_0_RX_EXT_A3_SRC BIT(2)
221 #define BIT_DMA_OFUL_NID_0_TX_EXT_A3_SRC BIT(3)
223 /* New (sparrow v2+) interrupt moderation control */
224 #define RGF_DMA_ITR_TX_DESQ_NO_MOD (0x881d40)
225 #define RGF_DMA_ITR_TX_CNT_TRSH (0x881d34)
226 #define RGF_DMA_ITR_TX_CNT_DATA (0x881d38)
227 #define RGF_DMA_ITR_TX_CNT_CTL (0x881d3c)
228 #define BIT_DMA_ITR_TX_CNT_CTL_EN BIT(0)
229 #define BIT_DMA_ITR_TX_CNT_CTL_EXT_TIC_SEL BIT(1)
230 #define BIT_DMA_ITR_TX_CNT_CTL_FOREVER BIT(2)
231 #define BIT_DMA_ITR_TX_CNT_CTL_CLR BIT(3)
232 #define BIT_DMA_ITR_TX_CNT_CTL_REACHED_TRESH BIT(4)
233 #define BIT_DMA_ITR_TX_CNT_CTL_CROSS_EN BIT(5)
234 #define BIT_DMA_ITR_TX_CNT_CTL_FREE_RUNNIG BIT(6)
235 #define RGF_DMA_ITR_TX_IDL_CNT_TRSH (0x881d60)
236 #define RGF_DMA_ITR_TX_IDL_CNT_DATA (0x881d64)
237 #define RGF_DMA_ITR_TX_IDL_CNT_CTL (0x881d68)
238 #define BIT_DMA_ITR_TX_IDL_CNT_CTL_EN BIT(0)
239 #define BIT_DMA_ITR_TX_IDL_CNT_CTL_EXT_TIC_SEL BIT(1)
240 #define BIT_DMA_ITR_TX_IDL_CNT_CTL_FOREVER BIT(2)
241 #define BIT_DMA_ITR_TX_IDL_CNT_CTL_CLR BIT(3)
242 #define BIT_DMA_ITR_TX_IDL_CNT_CTL_REACHED_TRESH BIT(4)
243 #define RGF_DMA_ITR_RX_DESQ_NO_MOD (0x881d50)
244 #define RGF_DMA_ITR_RX_CNT_TRSH (0x881d44)
245 #define RGF_DMA_ITR_RX_CNT_DATA (0x881d48)
246 #define RGF_DMA_ITR_RX_CNT_CTL (0x881d4c)
247 #define BIT_DMA_ITR_RX_CNT_CTL_EN BIT(0)
248 #define BIT_DMA_ITR_RX_CNT_CTL_EXT_TIC_SEL BIT(1)
249 #define BIT_DMA_ITR_RX_CNT_CTL_FOREVER BIT(2)
250 #define BIT_DMA_ITR_RX_CNT_CTL_CLR BIT(3)
251 #define BIT_DMA_ITR_RX_CNT_CTL_REACHED_TRESH BIT(4)
252 #define BIT_DMA_ITR_RX_CNT_CTL_CROSS_EN BIT(5)
253 #define BIT_DMA_ITR_RX_CNT_CTL_FREE_RUNNIG BIT(6)
254 #define RGF_DMA_ITR_RX_IDL_CNT_TRSH (0x881d54)
255 #define RGF_DMA_ITR_RX_IDL_CNT_DATA (0x881d58)
256 #define RGF_DMA_ITR_RX_IDL_CNT_CTL (0x881d5c)
257 #define BIT_DMA_ITR_RX_IDL_CNT_CTL_EN BIT(0)
258 #define BIT_DMA_ITR_RX_IDL_CNT_CTL_EXT_TIC_SEL BIT(1)
259 #define BIT_DMA_ITR_RX_IDL_CNT_CTL_FOREVER BIT(2)
260 #define BIT_DMA_ITR_RX_IDL_CNT_CTL_CLR BIT(3)
261 #define BIT_DMA_ITR_RX_IDL_CNT_CTL_REACHED_TRESH BIT(4)
263 #define RGF_DMA_PSEUDO_CAUSE (0x881c68)
264 #define RGF_DMA_PSEUDO_CAUSE_MASK_SW (0x881c6c)
265 #define RGF_DMA_PSEUDO_CAUSE_MASK_FW (0x881c70)
266 #define BIT_DMA_PSEUDO_CAUSE_RX BIT(0)
267 #define BIT_DMA_PSEUDO_CAUSE_TX BIT(1)
268 #define BIT_DMA_PSEUDO_CAUSE_MISC BIT(2)
270 #define RGF_HP_CTRL (0x88265c)
271 #define RGF_PAL_UNIT_ICR (0x88266c) /* struct RGF_ICR */
272 #define RGF_PCIE_LOS_COUNTER_CTL (0x882dc4)
274 /* MAC timer, usec, for packet lifetime */
275 #define RGF_MAC_MTRL_COUNTER_0 (0x886aa8)
277 #define RGF_CAF_ICR (0x88946c) /* struct RGF_ICR */
278 #define RGF_CAF_OSC_CONTROL (0x88afa4)
279 #define BIT_CAF_OSC_XTAL_EN BIT(0)
280 #define RGF_CAF_PLL_LOCK_STATUS (0x88afec)
281 #define BIT_CAF_OSC_DIG_XTAL_STABLE BIT(0)
283 #define RGF_USER_JTAG_DEV_ID (0x880b34) /* device ID */
284 #define JTAG_DEV_ID_SPARROW (0x2632072f)
286 #define RGF_USER_REVISION_ID (0x88afe4)
287 #define RGF_USER_REVISION_ID_MASK (3)
288 #define REVISION_ID_SPARROW_B0 (0x0)
289 #define REVISION_ID_SPARROW_D0 (0x3)
291 /* crash codes for FW/Ucode stored here */
292 #define RGF_FW_ASSERT_CODE (0x91f020)
293 #define RGF_UCODE_ASSERT_CODE (0x91f028)
297 HW_VER_SPARROW_B0, /* REVISION_ID_SPARROW_B0 */
298 HW_VER_SPARROW_D0, /* REVISION_ID_SPARROW_D0 */
301 /* popular locations */
302 #define RGF_MBOX RGF_USER_USER_SCRATCH_PAD
303 #define HOST_MBOX HOSTADDR(RGF_MBOX)
304 #define SW_INT_MBOX BIT_USER_USER_ICR_SW_INT_2
306 /* ISR register bits */
307 #define ISR_MISC_FW_READY BIT_DMA_EP_MISC_ICR_FW_INT(0)
308 #define ISR_MISC_MBOX_EVT BIT_DMA_EP_MISC_ICR_FW_INT(1)
309 #define ISR_MISC_FW_ERROR BIT_DMA_EP_MISC_ICR_FW_INT(3)
311 #define WIL_DATA_COMPLETION_TO_MS 200
313 /* Hardware definitions end */
315 u32 from; /* linker address - from, inclusive */
316 u32 to; /* linker address - to, exclusive */
317 u32 host; /* PCI/Host address - BAR0 + 0x880000 */
318 const char *name; /* for debugfs */
319 bool fw; /* true if FW mapping, false if UCODE mapping */
322 /* array size should be in sync with actual definition in the wmi.c */
323 extern const struct fw_map fw_mapping[10];
326 * mk_cidxtid - construct @cidxtid field
330 * @cidxtid field encoded as bits 0..3 - CID; 4..7 - TID
332 static inline u8 mk_cidxtid(u8 cid, u8 tid)
334 return ((tid & 0xf) << 4) | (cid & 0xf);
338 * parse_cidxtid - parse @cidxtid field
339 * @cid: store CID value here
340 * @tid: store TID value here
342 * @cidxtid field encoded as bits 0..3 - CID; 4..7 - TID
344 static inline void parse_cidxtid(u8 cidxtid, u8 *cid, u8 *tid)
346 *cid = cidxtid & 0xf;
347 *tid = (cidxtid >> 4) & 0xf;
350 struct wil6210_mbox_ring {
352 u16 entry_size; /* max. size of mbox entry, incl. all headers */
358 struct wil6210_mbox_ring_desc {
363 /* at HOST_OFF_WIL6210_MBOX_CTL */
364 struct wil6210_mbox_ctl {
365 struct wil6210_mbox_ring tx;
366 struct wil6210_mbox_ring rx;
369 struct wil6210_mbox_hdr {
371 __le16 len; /* payload, bytes after this header */
377 #define WIL_MBOX_HDR_TYPE_WMI (0)
379 /* max. value for wil6210_mbox_hdr.len */
380 #define MAX_MBOXITEM_SIZE (240)
382 struct pending_wmi_event {
383 struct list_head list;
385 struct wil6210_mbox_hdr hdr;
386 struct wmi_cmd_hdr wmi;
391 enum { /* for wil_ctx.mapped_as */
392 wil_mapped_as_none = 0,
393 wil_mapped_as_single = 1,
394 wil_mapped_as_page = 2,
398 * struct wil_ctx - software context for Vring descriptor
410 volatile union vring_desc *va; /* vring_desc[size], WriteBack by DMA */
411 u16 size; /* number of vring_desc elements */
414 u32 hwtail; /* write here to inform hw */
415 struct wil_ctx *ctx; /* ctx[size] - software context */
419 * Additional data for Tx Vring
421 struct vring_tx_data {
424 cycles_t idle, last_idle, begin;
425 u8 agg_wsize; /* agreed aggregation window, 0 - no agg */
428 bool addba_in_progress; /* if set, agg_xxx is for request in progress */
432 enum { /* for wil6210_priv.status */
433 wil_status_fwready = 0, /* FW operational */
434 wil_status_fwconnecting,
435 wil_status_fwconnected,
437 wil_status_mbox_ready, /* MBOX structures ready */
438 wil_status_irqen, /* FIXME: interrupts enabled - for debug */
439 wil_status_napi_en, /* NAPI enabled protected by wil->mutex */
440 wil_status_resetting, /* reset in progress */
441 wil_status_suspending, /* suspend in progress */
442 wil_status_suspended, /* suspend completed, device is suspended */
443 wil_status_resuming, /* resume in progress */
444 wil_status_last /* keep last */
450 * struct tid_ampdu_rx - TID aggregation information (Rx).
452 * @reorder_buf: buffer to reorder incoming aggregated MPDUs
453 * @reorder_time: jiffies when skb was added
454 * @session_timer: check if peer keeps Tx-ing on the TID (by timeout value)
455 * @reorder_timer: releases expired frames from the reorder buffer.
456 * @last_rx: jiffies of last rx activity
457 * @head_seq_num: head sequence number in reordering buffer.
458 * @stored_mpdu_num: number of MPDUs in reordering buffer
459 * @ssn: Starting Sequence Number expected to be aggregated.
460 * @buf_size: buffer size for incoming A-MPDUs
461 * @timeout: reset timer value (in TUs).
462 * @ssn_last_drop: SSN of the last dropped frame
463 * @total: total number of processed incoming frames
464 * @drop_dup: duplicate frames dropped for this reorder buffer
465 * @drop_old: old frames dropped for this reorder buffer
466 * @dialog_token: dialog token for aggregation session
467 * @first_time: true when this buffer used 1-st time
469 struct wil_tid_ampdu_rx {
470 struct sk_buff **reorder_buf;
471 unsigned long *reorder_time;
472 struct timer_list session_timer;
473 struct timer_list reorder_timer;
474 unsigned long last_rx;
481 unsigned long long total; /* frames processed */
482 unsigned long long drop_dup;
483 unsigned long long drop_old;
485 bool first_time; /* is it 1-st time this buffer used? */
489 * struct wil_tid_crypto_rx_single - TID crypto information (Rx).
491 * @pn: GCMP PN for the session
492 * @key_set: valid key present
494 struct wil_tid_crypto_rx_single {
495 u8 pn[IEEE80211_GCMP_PN_LEN];
499 struct wil_tid_crypto_rx {
500 struct wil_tid_crypto_rx_single key_id[4];
503 struct wil_p2p_info {
504 struct ieee80211_channel listen_chan;
505 u8 discovery_started;
508 struct wireless_dev *pending_listen_wdev;
509 unsigned int listen_duration;
510 struct timer_list discovery_timer; /* listen/search duration */
511 struct work_struct discovery_expired_work; /* listen/search expire */
512 struct work_struct delayed_listen_work; /* listen after scan done */
515 enum wil_sta_status {
517 wil_sta_conn_pending = 1,
518 wil_sta_connected = 2,
521 #define WIL_STA_TID_NUM (16)
522 #define WIL_MCS_MAX (12) /* Maximum MCS supported */
524 struct wil_net_stats {
525 unsigned long rx_packets;
526 unsigned long tx_packets;
527 unsigned long rx_bytes;
528 unsigned long tx_bytes;
529 unsigned long tx_errors;
530 unsigned long rx_dropped;
531 unsigned long rx_non_data_frame;
532 unsigned long rx_short_frame;
533 unsigned long rx_large_frame;
534 unsigned long rx_replay;
536 u64 rx_per_mcs[WIL_MCS_MAX + 1];
540 * struct wil_sta_info - data for peer
542 * Peer identified by its CID (connection ID)
543 * NIC performs beam forming for each peer;
544 * if no beam forming done, frame exchange is not
547 struct wil_sta_info {
549 enum wil_sta_status status;
550 struct wil_net_stats stats;
552 struct wil_tid_ampdu_rx *tid_rx[WIL_STA_TID_NUM];
553 spinlock_t tid_rx_lock; /* guarding tid_rx array */
554 unsigned long tid_rx_timer_expired[BITS_TO_LONGS(WIL_STA_TID_NUM)];
555 unsigned long tid_rx_stop_requested[BITS_TO_LONGS(WIL_STA_TID_NUM)];
556 struct wil_tid_crypto_rx tid_crypto_rx[WIL_STA_TID_NUM];
557 struct wil_tid_crypto_rx group_crypto_rx;
558 u8 aid; /* 1-254; 0 if unknown/not reported */
562 fw_recovery_idle = 0,
563 fw_recovery_pending = 1,
564 fw_recovery_running = 2,
571 struct wil_probe_client_req {
572 struct list_head list;
578 /* alloc, free, and read operations must own the lock */
580 struct vring_tx_desc *pring_va;
582 struct desc_alloc_info *descriptors;
589 struct mutex lock; /* protect halp ref_cnt */
590 unsigned int ref_cnt;
591 struct completion comp;
594 struct wil_blob_wrapper {
595 struct wil6210_priv *wil;
596 struct debugfs_blob_wrapper blob;
599 #define WIL_LED_MAX_ID (2)
600 #define WIL_LED_INVALID_ID (0xF)
601 #define WIL_LED_BLINK_ON_SLOW_MS (300)
602 #define WIL_LED_BLINK_OFF_SLOW_MS (300)
603 #define WIL_LED_BLINK_ON_MED_MS (200)
604 #define WIL_LED_BLINK_OFF_MED_MS (200)
605 #define WIL_LED_BLINK_ON_FAST_MS (100)
606 #define WIL_LED_BLINK_OFF_FAST_MS (100)
608 WIL_LED_TIME_SLOW = 0,
614 struct blink_on_off_time {
619 extern struct blink_on_off_time led_blink_time[WIL_LED_TIME_LAST];
621 extern u8 led_polarity;
623 struct wil6210_priv {
624 struct pci_dev *pdev;
626 struct wireless_dev *wdev;
628 DECLARE_BITMAP(status, wil_status_last);
629 u8 fw_version[ETHTOOL_FWVERS_LEN];
633 const char *wil_fw_name;
634 DECLARE_BITMAP(hw_capabilities, hw_capability_last);
635 DECLARE_BITMAP(fw_capabilities, WMI_FW_CAPABILITY_MAX);
636 u8 n_mids; /* number of additional MIDs as reported by FW */
637 u32 recovery_count; /* num of FW recovery attempts in a short time */
638 u32 recovery_state; /* FW recovery state machine */
639 unsigned long last_fw_recovery; /* jiffies of last fw recovery */
640 wait_queue_head_t wq; /* for all wait_event() use */
643 u32 privacy; /* secure connection? */
644 u8 hidden_ssid; /* relevant in AP mode */
645 u16 channel; /* relevant in AP mode */
647 u32 ap_isolate; /* no intra-BSS communication */
648 struct cfg80211_bss *bss; /* connected bss, relevant in STA mode */
649 int locally_generated_disc; /* relevant in STA mode */
650 /* interrupt moderation */
651 u32 tx_max_burst_duration;
652 u32 tx_interframe_timeout;
653 u32 rx_max_burst_duration;
654 u32 rx_interframe_timeout;
655 /* cached ISR registers */
657 /* mailbox related */
658 struct mutex wmi_mutex;
659 struct wil6210_mbox_ctl mbox_ctl;
660 struct completion wmi_ready;
661 struct completion wmi_call;
663 u16 reply_id; /**< wait for this WMI event */
666 struct workqueue_struct *wmi_wq; /* for deferred calls */
667 struct work_struct wmi_event_worker;
668 struct workqueue_struct *wq_service;
669 struct work_struct disconnect_worker;
670 struct work_struct fw_error_worker; /* for FW error recovery */
671 struct timer_list connect_timer;
672 struct timer_list scan_timer; /* detect scan timeout */
673 struct list_head pending_wmi_ev;
675 * protect pending_wmi_ev
676 * - fill in IRQ from wil6210_irq_misc,
677 * - consumed in thread by wmi_event_worker
679 spinlock_t wmi_ev_lock;
680 spinlock_t net_queue_lock; /* guarding stop/wake netif queue */
681 int net_queue_stopped; /* netif_tx_stop_all_queues invoked */
682 struct napi_struct napi_rx;
683 struct napi_struct napi_tx;
685 struct list_head probe_client_pending;
686 struct mutex probe_client_mutex; /* protect @probe_client_pending */
687 struct work_struct probe_client_worker;
689 struct vring vring_rx;
690 unsigned int rx_buf_len;
691 struct vring vring_tx[WIL6210_MAX_TX_RINGS];
692 struct vring_tx_data vring_tx_data[WIL6210_MAX_TX_RINGS];
693 u8 vring2cid_tid[WIL6210_MAX_TX_RINGS][2]; /* [0] - CID, [1] - TID */
694 struct wil_sta_info sta[WIL6210_MAX_CID];
696 u32 vring_idle_trsh; /* HW fetches up to 16 descriptors at once */
697 bool use_extended_dma_addr; /* indicates whether we are using 48 bits */
699 struct cfg80211_scan_request *scan_request;
701 struct mutex mutex; /* for wil6210_priv access in wil_{up|down} */
703 atomic_t isr_count_rx, isr_count_tx;
705 struct dentry *debug;
706 struct wil_blob_wrapper blobs[ARRAY_SIZE(fw_mapping)];
710 struct wil_suspend_stats suspend_stats;
712 void *platform_handle;
713 struct wil_platform_ops platform_ops;
714 bool keep_radio_on_during_sleep;
720 struct wil_p2p_info p2p;
723 struct wireless_dev *p2p_wdev;
724 struct mutex p2p_wdev_mutex; /* protect @p2p_wdev and @scan_request */
725 struct wireless_dev *radio_wdev;
727 /* High Access Latency Policy voting */
728 struct wil_halp halp;
730 enum wmi_ps_profile_type ps_profile;
735 #ifdef CONFIG_PM_SLEEP
736 struct notifier_block pm_notify;
737 #endif /* CONFIG_PM_SLEEP */
738 #endif /* CONFIG_PM */
740 bool suspend_resp_rcvd;
741 bool suspend_resp_comp;
742 u32 bus_request_kbps;
743 u32 bus_request_kbps_pre_suspend;
746 #define wil_to_wiphy(i) (i->wdev->wiphy)
747 #define wil_to_dev(i) (wiphy_dev(wil_to_wiphy(i)))
748 #define wiphy_to_wil(w) (struct wil6210_priv *)(wiphy_priv(w))
749 #define wil_to_wdev(i) (i->wdev)
750 #define wdev_to_wil(w) (struct wil6210_priv *)(wdev_priv(w))
751 #define wil_to_ndev(i) (wil_to_wdev(i)->netdev)
752 #define ndev_to_wil(n) (wdev_to_wil(n->ieee80211_ptr))
755 void wil_dbg_trace(struct wil6210_priv *wil, const char *fmt, ...);
757 void __wil_err(struct wil6210_priv *wil, const char *fmt, ...);
759 void __wil_err_ratelimited(struct wil6210_priv *wil, const char *fmt, ...);
761 void __wil_info(struct wil6210_priv *wil, const char *fmt, ...);
763 void wil_dbg_ratelimited(const struct wil6210_priv *wil, const char *fmt, ...);
764 #define wil_dbg(wil, fmt, arg...) do { \
765 netdev_dbg(wil_to_ndev(wil), fmt, ##arg); \
766 wil_dbg_trace(wil, fmt, ##arg); \
769 #define wil_dbg_irq(wil, fmt, arg...) wil_dbg(wil, "DBG[ IRQ]" fmt, ##arg)
770 #define wil_dbg_txrx(wil, fmt, arg...) wil_dbg(wil, "DBG[TXRX]" fmt, ##arg)
771 #define wil_dbg_wmi(wil, fmt, arg...) wil_dbg(wil, "DBG[ WMI]" fmt, ##arg)
772 #define wil_dbg_misc(wil, fmt, arg...) wil_dbg(wil, "DBG[MISC]" fmt, ##arg)
773 #define wil_dbg_pm(wil, fmt, arg...) wil_dbg(wil, "DBG[ PM ]" fmt, ##arg)
774 #define wil_err(wil, fmt, arg...) __wil_err(wil, "%s: " fmt, __func__, ##arg)
775 #define wil_info(wil, fmt, arg...) __wil_info(wil, "%s: " fmt, __func__, ##arg)
776 #define wil_err_ratelimited(wil, fmt, arg...) \
777 __wil_err_ratelimited(wil, "%s: " fmt, __func__, ##arg)
779 /* target operations */
781 static inline u32 wil_r(struct wil6210_priv *wil, u32 reg)
783 return readl(wil->csr + HOSTADDR(reg));
786 /* register write. wmb() to make sure it is completed */
787 static inline void wil_w(struct wil6210_priv *wil, u32 reg, u32 val)
789 writel(val, wil->csr + HOSTADDR(reg));
790 wmb(); /* wait for write to propagate to the HW */
793 /* register set = read, OR, write */
794 static inline void wil_s(struct wil6210_priv *wil, u32 reg, u32 val)
796 wil_w(wil, reg, wil_r(wil, reg) | val);
799 /* register clear = read, AND with inverted, write */
800 static inline void wil_c(struct wil6210_priv *wil, u32 reg, u32 val)
802 wil_w(wil, reg, wil_r(wil, reg) & ~val);
805 #if defined(CONFIG_DYNAMIC_DEBUG)
806 #define wil_hex_dump_txrx(prefix_str, prefix_type, rowsize, \
807 groupsize, buf, len, ascii) \
808 print_hex_dump_debug("DBG[TXRX]" prefix_str,\
809 prefix_type, rowsize, \
810 groupsize, buf, len, ascii)
812 #define wil_hex_dump_wmi(prefix_str, prefix_type, rowsize, \
813 groupsize, buf, len, ascii) \
814 print_hex_dump_debug("DBG[ WMI]" prefix_str,\
815 prefix_type, rowsize, \
816 groupsize, buf, len, ascii)
818 #define wil_hex_dump_misc(prefix_str, prefix_type, rowsize, \
819 groupsize, buf, len, ascii) \
820 print_hex_dump_debug("DBG[MISC]" prefix_str,\
821 prefix_type, rowsize, \
822 groupsize, buf, len, ascii)
823 #else /* defined(CONFIG_DYNAMIC_DEBUG) */
825 void wil_hex_dump_txrx(const char *prefix_str, int prefix_type, int rowsize,
826 int groupsize, const void *buf, size_t len, bool ascii)
831 void wil_hex_dump_wmi(const char *prefix_str, int prefix_type, int rowsize,
832 int groupsize, const void *buf, size_t len, bool ascii)
837 void wil_hex_dump_misc(const char *prefix_str, int prefix_type, int rowsize,
838 int groupsize, const void *buf, size_t len, bool ascii)
841 #endif /* defined(CONFIG_DYNAMIC_DEBUG) */
843 void wil_memcpy_fromio_32(void *dst, const volatile void __iomem *src,
845 void wil_memcpy_toio_32(volatile void __iomem *dst, const void *src,
848 void *wil_if_alloc(struct device *dev);
849 void wil_if_free(struct wil6210_priv *wil);
850 int wil_if_add(struct wil6210_priv *wil);
851 void wil_if_remove(struct wil6210_priv *wil);
852 int wil_priv_init(struct wil6210_priv *wil);
853 void wil_priv_deinit(struct wil6210_priv *wil);
854 int wil_ps_update(struct wil6210_priv *wil,
855 enum wmi_ps_profile_type ps_profile);
856 int wil_reset(struct wil6210_priv *wil, bool no_fw);
857 void wil_fw_error_recovery(struct wil6210_priv *wil);
858 void wil_set_recovery_state(struct wil6210_priv *wil, int state);
859 bool wil_is_recovery_blocked(struct wil6210_priv *wil);
860 int wil_up(struct wil6210_priv *wil);
861 int __wil_up(struct wil6210_priv *wil);
862 int wil_down(struct wil6210_priv *wil);
863 int __wil_down(struct wil6210_priv *wil);
864 void wil_mbox_ring_le2cpus(struct wil6210_mbox_ring *r);
865 int wil_find_cid(struct wil6210_priv *wil, const u8 *mac);
866 void wil_set_ethtoolops(struct net_device *ndev);
868 void __iomem *wmi_buffer_block(struct wil6210_priv *wil, __le32 ptr, u32 size);
869 void __iomem *wmi_buffer(struct wil6210_priv *wil, __le32 ptr);
870 void __iomem *wmi_addr(struct wil6210_priv *wil, u32 ptr);
871 int wmi_read_hdr(struct wil6210_priv *wil, __le32 ptr,
872 struct wil6210_mbox_hdr *hdr);
873 int wmi_send(struct wil6210_priv *wil, u16 cmdid, void *buf, u16 len);
874 void wmi_recv_cmd(struct wil6210_priv *wil);
875 int wmi_call(struct wil6210_priv *wil, u16 cmdid, void *buf, u16 len,
876 u16 reply_id, void *reply, u8 reply_size, int to_msec);
877 void wmi_event_worker(struct work_struct *work);
878 void wmi_event_flush(struct wil6210_priv *wil);
879 int wmi_set_ssid(struct wil6210_priv *wil, u8 ssid_len, const void *ssid);
880 int wmi_get_ssid(struct wil6210_priv *wil, u8 *ssid_len, void *ssid);
881 int wmi_set_channel(struct wil6210_priv *wil, int channel);
882 int wmi_get_channel(struct wil6210_priv *wil, int *channel);
883 int wmi_del_cipher_key(struct wil6210_priv *wil, u8 key_index,
884 const void *mac_addr, int key_usage);
885 int wmi_add_cipher_key(struct wil6210_priv *wil, u8 key_index,
886 const void *mac_addr, int key_len, const void *key,
888 int wmi_echo(struct wil6210_priv *wil);
889 int wmi_set_ie(struct wil6210_priv *wil, u8 type, u16 ie_len, const void *ie);
890 int wmi_rx_chain_add(struct wil6210_priv *wil, struct vring *vring);
891 int wmi_rxon(struct wil6210_priv *wil, bool on);
892 int wmi_get_temperature(struct wil6210_priv *wil, u32 *t_m, u32 *t_r);
893 int wmi_disconnect_sta(struct wil6210_priv *wil, const u8 *mac,
894 u16 reason, bool full_disconnect, bool del_sta);
895 int wmi_addba(struct wil6210_priv *wil, u8 ringid, u8 size, u16 timeout);
896 int wmi_delba_tx(struct wil6210_priv *wil, u8 ringid, u16 reason);
897 int wmi_delba_rx(struct wil6210_priv *wil, u8 cidxtid, u16 reason);
898 int wmi_addba_rx_resp(struct wil6210_priv *wil, u8 cid, u8 tid, u8 token,
899 u16 status, bool amsdu, u16 agg_wsize, u16 timeout);
900 int wmi_ps_dev_profile_cfg(struct wil6210_priv *wil,
901 enum wmi_ps_profile_type ps_profile);
902 int wmi_set_mgmt_retry(struct wil6210_priv *wil, u8 retry_short);
903 int wmi_get_mgmt_retry(struct wil6210_priv *wil, u8 *retry_short);
904 int wmi_new_sta(struct wil6210_priv *wil, const u8 *mac, u8 aid);
905 int wil_addba_rx_request(struct wil6210_priv *wil, u8 cidxtid,
906 u8 dialog_token, __le16 ba_param_set,
907 __le16 ba_timeout, __le16 ba_seq_ctrl);
908 int wil_addba_tx_request(struct wil6210_priv *wil, u8 ringid, u16 wsize);
910 void wil6210_clear_irq(struct wil6210_priv *wil);
911 int wil6210_init_irq(struct wil6210_priv *wil, int irq, bool use_msi);
912 void wil6210_fini_irq(struct wil6210_priv *wil, int irq);
913 void wil_mask_irq(struct wil6210_priv *wil);
914 void wil_unmask_irq(struct wil6210_priv *wil);
915 void wil_configure_interrupt_moderation(struct wil6210_priv *wil);
916 void wil_disable_irq(struct wil6210_priv *wil);
917 void wil_enable_irq(struct wil6210_priv *wil);
918 void wil6210_mask_halp(struct wil6210_priv *wil);
921 bool wil_p2p_is_social_scan(struct cfg80211_scan_request *request);
922 void wil_p2p_discovery_timer_fn(ulong x);
923 int wil_p2p_search(struct wil6210_priv *wil,
924 struct cfg80211_scan_request *request);
925 int wil_p2p_listen(struct wil6210_priv *wil, struct wireless_dev *wdev,
926 unsigned int duration, struct ieee80211_channel *chan,
928 u8 wil_p2p_stop_discovery(struct wil6210_priv *wil);
929 int wil_p2p_cancel_listen(struct wil6210_priv *wil, u64 cookie);
930 void wil_p2p_listen_expired(struct work_struct *work);
931 void wil_p2p_search_expired(struct work_struct *work);
932 void wil_p2p_stop_radio_operations(struct wil6210_priv *wil);
933 void wil_p2p_delayed_listen_work(struct work_struct *work);
936 int wmi_p2p_cfg(struct wil6210_priv *wil, int channel, int bi);
937 int wmi_start_listen(struct wil6210_priv *wil);
938 int wmi_start_search(struct wil6210_priv *wil);
939 int wmi_stop_discovery(struct wil6210_priv *wil);
941 int wil_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
942 struct cfg80211_mgmt_tx_params *params,
945 #if defined(CONFIG_WIL6210_DEBUGFS)
946 int wil6210_debugfs_init(struct wil6210_priv *wil);
947 void wil6210_debugfs_remove(struct wil6210_priv *wil);
949 static inline int wil6210_debugfs_init(struct wil6210_priv *wil) { return 0; }
950 static inline void wil6210_debugfs_remove(struct wil6210_priv *wil) {}
953 int wil_cid_fill_sinfo(struct wil6210_priv *wil, int cid,
954 struct station_info *sinfo);
956 struct wireless_dev *wil_cfg80211_init(struct device *dev);
957 void wil_wdev_free(struct wil6210_priv *wil);
958 void wil_p2p_wdev_free(struct wil6210_priv *wil);
960 int wmi_set_mac_address(struct wil6210_priv *wil, void *addr);
961 int wmi_pcp_start(struct wil6210_priv *wil, int bi, u8 wmi_nettype,
962 u8 chan, u8 hidden_ssid, u8 is_go);
963 int wmi_pcp_stop(struct wil6210_priv *wil);
964 int wmi_led_cfg(struct wil6210_priv *wil, bool enable);
965 int wmi_abort_scan(struct wil6210_priv *wil);
966 void wil_abort_scan(struct wil6210_priv *wil, bool sync);
967 void wil6210_bus_request(struct wil6210_priv *wil, u32 kbps);
968 void wil6210_disconnect(struct wil6210_priv *wil, const u8 *bssid,
969 u16 reason_code, bool from_event);
970 void wil_probe_client_flush(struct wil6210_priv *wil);
971 void wil_probe_client_worker(struct work_struct *work);
973 int wil_rx_init(struct wil6210_priv *wil, u16 size);
974 void wil_rx_fini(struct wil6210_priv *wil);
977 int wil_vring_init_tx(struct wil6210_priv *wil, int id, int size,
979 void wil_vring_fini_tx(struct wil6210_priv *wil, int id);
980 int wil_tx_init(struct wil6210_priv *wil, int cid);
981 int wil_vring_init_bcast(struct wil6210_priv *wil, int id, int size);
982 int wil_bcast_init(struct wil6210_priv *wil);
983 void wil_bcast_fini(struct wil6210_priv *wil);
985 void wil_update_net_queues(struct wil6210_priv *wil, struct vring *vring,
987 void wil_update_net_queues_bh(struct wil6210_priv *wil, struct vring *vring,
989 netdev_tx_t wil_start_xmit(struct sk_buff *skb, struct net_device *ndev);
990 int wil_tx_complete(struct wil6210_priv *wil, int ringid);
991 void wil6210_unmask_irq_tx(struct wil6210_priv *wil);
994 void wil_rx_handle(struct wil6210_priv *wil, int *quota);
995 void wil6210_unmask_irq_rx(struct wil6210_priv *wil);
997 int wil_iftype_nl2wmi(enum nl80211_iftype type);
999 int wil_request_firmware(struct wil6210_priv *wil, const char *name,
1001 bool wil_fw_verify_file_exists(struct wil6210_priv *wil, const char *name);
1003 int wil_can_suspend(struct wil6210_priv *wil, bool is_runtime);
1004 int wil_suspend(struct wil6210_priv *wil, bool is_runtime, bool keep_radio_on);
1005 int wil_resume(struct wil6210_priv *wil, bool is_runtime, bool keep_radio_on);
1006 bool wil_is_wmi_idle(struct wil6210_priv *wil);
1007 int wmi_resume(struct wil6210_priv *wil);
1008 int wmi_suspend(struct wil6210_priv *wil);
1009 bool wil_is_tx_idle(struct wil6210_priv *wil);
1010 bool wil_is_rx_idle(struct wil6210_priv *wil);
1012 int wil_fw_copy_crash_dump(struct wil6210_priv *wil, void *dest, u32 size);
1013 void wil_fw_core_dump(struct wil6210_priv *wil);
1015 void wil_halp_vote(struct wil6210_priv *wil);
1016 void wil_halp_unvote(struct wil6210_priv *wil);
1017 void wil6210_set_halp(struct wil6210_priv *wil);
1018 void wil6210_clear_halp(struct wil6210_priv *wil);
1020 #endif /* __WIL6210_H__ */