--- /dev/null
+/*
+ * Copyright (c) 2012-2015 Qualcomm Atheros, Inc.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef __WIL6210_H__
+#define __WIL6210_H__
+
+#include <linux/netdevice.h>
+#include <linux/wireless.h>
+#include <net/cfg80211.h>
+#include <linux/timex.h>
+#include "wil_platform.h"
+
+extern bool no_fw_recovery;
+extern unsigned int mtu_max;
+extern unsigned short rx_ring_overflow_thrsh;
+extern int agg_wsize;
+extern u32 vring_idle_trsh;
+extern bool rx_align_2;
+
+#define WIL_NAME "wil6210"
+#define WIL_FW_NAME "wil6210.fw" /* code */
+#define WIL_FW2_NAME "wil6210.board" /* board & radio parameters */
+
+#define WIL_MAX_BUS_REQUEST_KBPS 800000 /* ~6.1Gbps */
+
+/**
+ * extract bits [@b0:@b1] (inclusive) from the value @x
+ * it should be @b0 <= @b1, or result is incorrect
+ */
+static inline u32 WIL_GET_BITS(u32 x, int b0, int b1)
+{
+ return (x >> b0) & ((1 << (b1 - b0 + 1)) - 1);
+}
+
+#define WIL6210_MEM_SIZE (2*1024*1024UL)
+
+#define WIL_TX_Q_LEN_DEFAULT (4000)
+#define WIL_RX_RING_SIZE_ORDER_DEFAULT (10)
+#define WIL_TX_RING_SIZE_ORDER_DEFAULT (10)
+#define WIL_BCAST_RING_SIZE_ORDER_DEFAULT (7)
+#define WIL_BCAST_MCS0_LIMIT (1024) /* limit for MCS0 frame size */
+/* limit ring size in range [32..32k] */
+#define WIL_RING_SIZE_ORDER_MIN (5)
+#define WIL_RING_SIZE_ORDER_MAX (15)
+#define WIL6210_MAX_TX_RINGS (24) /* HW limit */
+#define WIL6210_MAX_CID (8) /* HW limit */
+#define WIL6210_NAPI_BUDGET (16) /* arbitrary */
+#define WIL_MAX_AMPDU_SIZE (64 * 1024) /* FW/HW limit */
+#define WIL_MAX_AGG_WSIZE (32) /* FW/HW limit */
+/* Hardware offload block adds the following:
+ * 26 bytes - 3-address QoS data header
+ * 8 bytes - IV + EIV (for GCMP)
+ * 8 bytes - SNAP
+ * 16 bytes - MIC (for GCMP)
+ * 4 bytes - CRC
+ */
+#define WIL_MAX_MPDU_OVERHEAD (62)
+
+/* Calculate MAC buffer size for the firmware. It includes all overhead,
+ * as it will go over the air, and need to be 8 byte aligned
+ */
+static inline u32 wil_mtu2macbuf(u32 mtu)
+{
+ return ALIGN(mtu + WIL_MAX_MPDU_OVERHEAD, 8);
+}
+
+/* MTU for Ethernet need to take into account 8-byte SNAP header
+ * to be added when encapsulating Ethernet frame into 802.11
+ */
+#define WIL_MAX_ETH_MTU (IEEE80211_MAX_DATA_LEN_DMG - 8)
+/* Max supported by wil6210 value for interrupt threshold is 5sec. */
+#define WIL6210_ITR_TRSH_MAX (5000000)
+#define WIL6210_ITR_TX_INTERFRAME_TIMEOUT_DEFAULT (13) /* usec */
+#define WIL6210_ITR_RX_INTERFRAME_TIMEOUT_DEFAULT (13) /* usec */
+#define WIL6210_ITR_TX_MAX_BURST_DURATION_DEFAULT (500) /* usec */
+#define WIL6210_ITR_RX_MAX_BURST_DURATION_DEFAULT (500) /* usec */
+#define WIL6210_FW_RECOVERY_RETRIES (5) /* try to recover this many times */
+#define WIL6210_FW_RECOVERY_TO msecs_to_jiffies(5000)
+#define WIL6210_SCAN_TO msecs_to_jiffies(10000)
+#define WIL6210_RX_HIGH_TRSH_INIT (0)
+#define WIL6210_RX_HIGH_TRSH_DEFAULT \
+ (1 << (WIL_RX_RING_SIZE_ORDER_DEFAULT - 3))
+/* Hardware definitions begin */
+
+/*
+ * Mapping
+ * RGF File | Host addr | FW addr
+ * | |
+ * user_rgf | 0x000000 | 0x880000
+ * dma_rgf | 0x001000 | 0x881000
+ * pcie_rgf | 0x002000 | 0x882000
+ * | |
+ */
+
+/* Where various structures placed in host address space */
+#define WIL6210_FW_HOST_OFF (0x880000UL)
+
+#define HOSTADDR(fwaddr) (fwaddr - WIL6210_FW_HOST_OFF)
+
+/*
+ * Interrupt control registers block
+ *
+ * each interrupt controlled by the same bit in all registers
+ */
+struct RGF_ICR {
+ u32 ICC; /* Cause Control, RW: 0 - W1C, 1 - COR */
+ u32 ICR; /* Cause, W1C/COR depending on ICC */
+ u32 ICM; /* Cause masked (ICR & ~IMV), W1C/COR depending on ICC */
+ u32 ICS; /* Cause Set, WO */
+ u32 IMV; /* Mask, RW+S/C */
+ u32 IMS; /* Mask Set, write 1 to set */
+ u32 IMC; /* Mask Clear, write 1 to clear */
+} __packed;
+
+struct RGF_BL {
+ u32 ready; /* 0x880A3C bit [0] */
+#define BIT_BL_READY BIT(0)
+ u32 version; /* 0x880A40 version of the BL struct */
+ u32 rf_type; /* 0x880A44 ID of the connected RF */
+ u32 baseband_type; /* 0x880A48 ID of the baseband */
+ u8 mac_address[ETH_ALEN]; /* 0x880A4C permanent MAC */
+ u8 pad[2];
+} __packed;
+
+/* registers - FW addresses */
+#define RGF_USER_USAGE_1 (0x880004)
+#define RGF_USER_USAGE_6 (0x880018)
+#define RGF_USER_HW_MACHINE_STATE (0x8801dc)
+ #define HW_MACHINE_BOOT_DONE (0x3fffffd)
+#define RGF_USER_USER_CPU_0 (0x8801e0)
+ #define BIT_USER_USER_CPU_MAN_RST BIT(1) /* user_cpu_man_rst */
+#define RGF_USER_MAC_CPU_0 (0x8801fc)
+ #define BIT_USER_MAC_CPU_MAN_RST BIT(1) /* mac_cpu_man_rst */
+#define RGF_USER_USER_SCRATCH_PAD (0x8802bc)
+#define RGF_USER_BL (0x880A3C) /* Boot Loader */
+#define RGF_USER_FW_REV_ID (0x880a8c) /* chip revision */
+#define RGF_USER_CLKS_CTL_0 (0x880abc)
+ #define BIT_USER_CLKS_CAR_AHB_SW_SEL BIT(1) /* ref clk/PLL */
+ #define BIT_USER_CLKS_RST_PWGD BIT(11) /* reset on "power good" */
+#define RGF_USER_CLKS_CTL_SW_RST_VEC_0 (0x880b04)
+#define RGF_USER_CLKS_CTL_SW_RST_VEC_1 (0x880b08)
+#define RGF_USER_CLKS_CTL_SW_RST_VEC_2 (0x880b0c)
+#define RGF_USER_CLKS_CTL_SW_RST_VEC_3 (0x880b10)
+#define RGF_USER_CLKS_CTL_SW_RST_MASK_0 (0x880b14)
+ #define BIT_HPAL_PERST_FROM_PAD BIT(6)
+ #define BIT_CAR_PERST_RST BIT(7)
+#define RGF_USER_USER_ICR (0x880b4c) /* struct RGF_ICR */
+ #define BIT_USER_USER_ICR_SW_INT_2 BIT(18)
+#define RGF_USER_CLKS_CTL_EXT_SW_RST_VEC_0 (0x880c18)
+#define RGF_USER_CLKS_CTL_EXT_SW_RST_VEC_1 (0x880c2c)
+#define RGF_USER_SPARROW_M_4 (0x880c50) /* Sparrow */
+ #define BIT_SPARROW_M_4_SEL_SLEEP_OR_REF BIT(2)
+
+#define RGF_DMA_EP_TX_ICR (0x881bb4) /* struct RGF_ICR */
+ #define BIT_DMA_EP_TX_ICR_TX_DONE BIT(0)
+ #define BIT_DMA_EP_TX_ICR_TX_DONE_N(n) BIT(n+1) /* n = [0..23] */
+#define RGF_DMA_EP_RX_ICR (0x881bd0) /* struct RGF_ICR */
+ #define BIT_DMA_EP_RX_ICR_RX_DONE BIT(0)
+ #define BIT_DMA_EP_RX_ICR_RX_HTRSH BIT(1)
+#define RGF_DMA_EP_MISC_ICR (0x881bec) /* struct RGF_ICR */
+ #define BIT_DMA_EP_MISC_ICR_RX_HTRSH BIT(0)
+ #define BIT_DMA_EP_MISC_ICR_TX_NO_ACT BIT(1)
+ #define BIT_DMA_EP_MISC_ICR_FW_INT(n) BIT(28+n) /* n = [0..3] */
+
+/* Legacy interrupt moderation control (before Sparrow v2)*/
+#define RGF_DMA_ITR_CNT_TRSH (0x881c5c)
+#define RGF_DMA_ITR_CNT_DATA (0x881c60)
+#define RGF_DMA_ITR_CNT_CRL (0x881c64)
+ #define BIT_DMA_ITR_CNT_CRL_EN BIT(0)
+ #define BIT_DMA_ITR_CNT_CRL_EXT_TICK BIT(1)
+ #define BIT_DMA_ITR_CNT_CRL_FOREVER BIT(2)
+ #define BIT_DMA_ITR_CNT_CRL_CLR BIT(3)
+ #define BIT_DMA_ITR_CNT_CRL_REACH_TRSH BIT(4)
+
+/* Offload control (Sparrow B0+) */
+#define RGF_DMA_OFUL_NID_0 (0x881cd4)
+ #define BIT_DMA_OFUL_NID_0_RX_EXT_TR_EN BIT(0)
+ #define BIT_DMA_OFUL_NID_0_TX_EXT_TR_EN BIT(1)
+ #define BIT_DMA_OFUL_NID_0_RX_EXT_A3_SRC BIT(2)
+ #define BIT_DMA_OFUL_NID_0_TX_EXT_A3_SRC BIT(3)
+
+/* New (sparrow v2+) interrupt moderation control */
+#define RGF_DMA_ITR_TX_DESQ_NO_MOD (0x881d40)
+#define RGF_DMA_ITR_TX_CNT_TRSH (0x881d34)
+#define RGF_DMA_ITR_TX_CNT_DATA (0x881d38)
+#define RGF_DMA_ITR_TX_CNT_CTL (0x881d3c)
+ #define BIT_DMA_ITR_TX_CNT_CTL_EN BIT(0)
+ #define BIT_DMA_ITR_TX_CNT_CTL_EXT_TIC_SEL BIT(1)
+ #define BIT_DMA_ITR_TX_CNT_CTL_FOREVER BIT(2)
+ #define BIT_DMA_ITR_TX_CNT_CTL_CLR BIT(3)
+ #define BIT_DMA_ITR_TX_CNT_CTL_REACHED_TRESH BIT(4)
+ #define BIT_DMA_ITR_TX_CNT_CTL_CROSS_EN BIT(5)
+ #define BIT_DMA_ITR_TX_CNT_CTL_FREE_RUNNIG BIT(6)
+#define RGF_DMA_ITR_TX_IDL_CNT_TRSH (0x881d60)
+#define RGF_DMA_ITR_TX_IDL_CNT_DATA (0x881d64)
+#define RGF_DMA_ITR_TX_IDL_CNT_CTL (0x881d68)
+ #define BIT_DMA_ITR_TX_IDL_CNT_CTL_EN BIT(0)
+ #define BIT_DMA_ITR_TX_IDL_CNT_CTL_EXT_TIC_SEL BIT(1)
+ #define BIT_DMA_ITR_TX_IDL_CNT_CTL_FOREVER BIT(2)
+ #define BIT_DMA_ITR_TX_IDL_CNT_CTL_CLR BIT(3)
+ #define BIT_DMA_ITR_TX_IDL_CNT_CTL_REACHED_TRESH BIT(4)
+#define RGF_DMA_ITR_RX_DESQ_NO_MOD (0x881d50)
+#define RGF_DMA_ITR_RX_CNT_TRSH (0x881d44)
+#define RGF_DMA_ITR_RX_CNT_DATA (0x881d48)
+#define RGF_DMA_ITR_RX_CNT_CTL (0x881d4c)
+ #define BIT_DMA_ITR_RX_CNT_CTL_EN BIT(0)
+ #define BIT_DMA_ITR_RX_CNT_CTL_EXT_TIC_SEL BIT(1)
+ #define BIT_DMA_ITR_RX_CNT_CTL_FOREVER BIT(2)
+ #define BIT_DMA_ITR_RX_CNT_CTL_CLR BIT(3)
+ #define BIT_DMA_ITR_RX_CNT_CTL_REACHED_TRESH BIT(4)
+ #define BIT_DMA_ITR_RX_CNT_CTL_CROSS_EN BIT(5)
+ #define BIT_DMA_ITR_RX_CNT_CTL_FREE_RUNNIG BIT(6)
+#define RGF_DMA_ITR_RX_IDL_CNT_TRSH (0x881d54)
+#define RGF_DMA_ITR_RX_IDL_CNT_DATA (0x881d58)
+#define RGF_DMA_ITR_RX_IDL_CNT_CTL (0x881d5c)
+ #define BIT_DMA_ITR_RX_IDL_CNT_CTL_EN BIT(0)
+ #define BIT_DMA_ITR_RX_IDL_CNT_CTL_EXT_TIC_SEL BIT(1)
+ #define BIT_DMA_ITR_RX_IDL_CNT_CTL_FOREVER BIT(2)
+ #define BIT_DMA_ITR_RX_IDL_CNT_CTL_CLR BIT(3)
+ #define BIT_DMA_ITR_RX_IDL_CNT_CTL_REACHED_TRESH BIT(4)
+
+#define RGF_DMA_PSEUDO_CAUSE (0x881c68)
+#define RGF_DMA_PSEUDO_CAUSE_MASK_SW (0x881c6c)
+#define RGF_DMA_PSEUDO_CAUSE_MASK_FW (0x881c70)
+ #define BIT_DMA_PSEUDO_CAUSE_RX BIT(0)
+ #define BIT_DMA_PSEUDO_CAUSE_TX BIT(1)
+ #define BIT_DMA_PSEUDO_CAUSE_MISC BIT(2)
+
+#define RGF_HP_CTRL (0x88265c)
+#define RGF_PCIE_LOS_COUNTER_CTL (0x882dc4)
+
+/* MAC timer, usec, for packet lifetime */
+#define RGF_MAC_MTRL_COUNTER_0 (0x886aa8)
+
+#define RGF_CAF_ICR (0x88946c) /* struct RGF_ICR */
+#define RGF_CAF_OSC_CONTROL (0x88afa4)
+ #define BIT_CAF_OSC_XTAL_EN BIT(0)
+#define RGF_CAF_PLL_LOCK_STATUS (0x88afec)
+ #define BIT_CAF_OSC_DIG_XTAL_STABLE BIT(0)
+
+#define RGF_USER_JTAG_DEV_ID (0x880b34) /* device ID */
+ #define JTAG_DEV_ID_SPARROW_B0 (0x2632072f)
+
+enum {
+ HW_VER_UNKNOWN,
+ HW_VER_SPARROW_B0, /* JTAG_DEV_ID_SPARROW_B0 */
+};
+
+/* popular locations */
+#define HOST_MBOX HOSTADDR(RGF_USER_USER_SCRATCH_PAD)
+#define HOST_SW_INT (HOSTADDR(RGF_USER_USER_ICR) + \
+ offsetof(struct RGF_ICR, ICS))
+#define SW_INT_MBOX BIT_USER_USER_ICR_SW_INT_2
+
+/* ISR register bits */
+#define ISR_MISC_FW_READY BIT_DMA_EP_MISC_ICR_FW_INT(0)
+#define ISR_MISC_MBOX_EVT BIT_DMA_EP_MISC_ICR_FW_INT(1)
+#define ISR_MISC_FW_ERROR BIT_DMA_EP_MISC_ICR_FW_INT(3)
+
+/* Hardware definitions end */
+struct fw_map {
+ u32 from; /* linker address - from, inclusive */
+ u32 to; /* linker address - to, exclusive */
+ u32 host; /* PCI/Host address - BAR0 + 0x880000 */
+ const char *name; /* for debugfs */
+};
+
+/* array size should be in sync with actual definition in the wmi.c */
+extern const struct fw_map fw_mapping[7];
+
+/**
+ * mk_cidxtid - construct @cidxtid field
+ * @cid: CID value
+ * @tid: TID value
+ *
+ * @cidxtid field encoded as bits 0..3 - CID; 4..7 - TID
+ */
+static inline u8 mk_cidxtid(u8 cid, u8 tid)
+{
+ return ((tid & 0xf) << 4) | (cid & 0xf);
+}
+
+/**
+ * parse_cidxtid - parse @cidxtid field
+ * @cid: store CID value here
+ * @tid: store TID value here
+ *
+ * @cidxtid field encoded as bits 0..3 - CID; 4..7 - TID
+ */
+static inline void parse_cidxtid(u8 cidxtid, u8 *cid, u8 *tid)
+{
+ *cid = cidxtid & 0xf;
+ *tid = (cidxtid >> 4) & 0xf;
+}
+
+struct wil6210_mbox_ring {
+ u32 base;
+ u16 entry_size; /* max. size of mbox entry, incl. all headers */
+ u16 size;
+ u32 tail;
+ u32 head;
+} __packed;
+
+struct wil6210_mbox_ring_desc {
+ __le32 sync;
+ __le32 addr;
+} __packed;
+
+/* at HOST_OFF_WIL6210_MBOX_CTL */
+struct wil6210_mbox_ctl {
+ struct wil6210_mbox_ring tx;
+ struct wil6210_mbox_ring rx;
+} __packed;
+
+struct wil6210_mbox_hdr {
+ __le16 seq;
+ __le16 len; /* payload, bytes after this header */
+ __le16 type;
+ u8 flags;
+ u8 reserved;
+} __packed;
+
+#define WIL_MBOX_HDR_TYPE_WMI (0)
+
+/* max. value for wil6210_mbox_hdr.len */
+#define MAX_MBOXITEM_SIZE (240)
+
+/**
+ * struct wil6210_mbox_hdr_wmi - WMI header
+ *
+ * @mid: MAC ID
+ * 00 - default, created by FW
+ * 01..0f - WiFi ports, driver to create
+ * 10..fe - debug
+ * ff - broadcast
+ * @id: command/event ID
+ * @timestamp: FW fills for events, free-running msec timer
+ */
+struct wil6210_mbox_hdr_wmi {
+ u8 mid;
+ u8 reserved;
+ __le16 id;
+ __le32 timestamp;
+} __packed;
+
+struct pending_wmi_event {
+ struct list_head list;
+ struct {
+ struct wil6210_mbox_hdr hdr;
+ struct wil6210_mbox_hdr_wmi wmi;
+ u8 data[0];
+ } __packed event;
+};
+
+enum { /* for wil_ctx.mapped_as */
+ wil_mapped_as_none = 0,
+ wil_mapped_as_single = 1,
+ wil_mapped_as_page = 2,
+};
+
+/**
+ * struct wil_ctx - software context for Vring descriptor
+ */
+struct wil_ctx {
+ struct sk_buff *skb;
+ u8 nr_frags;
+ u8 mapped_as;
+};
+
+union vring_desc;
+
+struct vring {
+ dma_addr_t pa;
+ volatile union vring_desc *va; /* vring_desc[size], WriteBack by DMA */
+ u16 size; /* number of vring_desc elements */
+ u32 swtail;
+ u32 swhead;
+ u32 hwtail; /* write here to inform hw */
+ struct wil_ctx *ctx; /* ctx[size] - software context */
+};
+
+/**
+ * Additional data for Tx Vring
+ */
+struct vring_tx_data {
+ int enabled;
+ cycles_t idle, last_idle, begin;
+ u8 agg_wsize; /* agreed aggregation window, 0 - no agg */
+ u16 agg_timeout;
+ u8 agg_amsdu;
+ bool addba_in_progress; /* if set, agg_xxx is for request in progress */
+ spinlock_t lock;
+};
+
+enum { /* for wil6210_priv.status */
+ wil_status_fwready = 0,
+ wil_status_fwconnecting,
+ wil_status_fwconnected,
+ wil_status_dontscan,
+ wil_status_reset_done,
+ wil_status_irqen, /* FIXME: interrupts enabled - for debug */
+ wil_status_napi_en, /* NAPI enabled protected by wil->mutex */
+ wil_status_last /* keep last */
+};
+
+struct pci_dev;
+
+/**
+ * struct tid_ampdu_rx - TID aggregation information (Rx).
+ *
+ * @reorder_buf: buffer to reorder incoming aggregated MPDUs
+ * @reorder_time: jiffies when skb was added
+ * @session_timer: check if peer keeps Tx-ing on the TID (by timeout value)
+ * @reorder_timer: releases expired frames from the reorder buffer.
+ * @last_rx: jiffies of last rx activity
+ * @head_seq_num: head sequence number in reordering buffer.
+ * @stored_mpdu_num: number of MPDUs in reordering buffer
+ * @ssn: Starting Sequence Number expected to be aggregated.
+ * @buf_size: buffer size for incoming A-MPDUs
+ * @timeout: reset timer value (in TUs).
+ * @dialog_token: dialog token for aggregation session
+ * @rcu_head: RCU head used for freeing this struct
+ *
+ * This structure's lifetime is managed by RCU, assignments to
+ * the array holding it must hold the aggregation mutex.
+ *
+ */
+struct wil_tid_ampdu_rx {
+ struct sk_buff **reorder_buf;
+ unsigned long *reorder_time;
+ struct timer_list session_timer;
+ struct timer_list reorder_timer;
+ unsigned long last_rx;
+ u16 head_seq_num;
+ u16 stored_mpdu_num;
+ u16 ssn;
+ u16 buf_size;
+ u16 timeout;
+ u16 ssn_last_drop;
+ u8 dialog_token;
+ bool first_time; /* is it 1-st time this buffer used? */
+};
+
+enum wil_sta_status {
+ wil_sta_unused = 0,
+ wil_sta_conn_pending = 1,
+ wil_sta_connected = 2,
+};
+
+#define WIL_STA_TID_NUM (16)
+
+struct wil_net_stats {
+ unsigned long rx_packets;
+ unsigned long tx_packets;
+ unsigned long rx_bytes;
+ unsigned long tx_bytes;
+ unsigned long tx_errors;
+ unsigned long rx_dropped;
+ u16 last_mcs_rx;
+};
+
+/**
+ * struct wil_sta_info - data for peer
+ *
+ * Peer identified by its CID (connection ID)
+ * NIC performs beam forming for each peer;
+ * if no beam forming done, frame exchange is not
+ * possible.
+ */
+struct wil_sta_info {
+ u8 addr[ETH_ALEN];
+ enum wil_sta_status status;
+ struct wil_net_stats stats;
+ bool data_port_open; /* can send any data, not only EAPOL */
+ /* Rx BACK */
+ struct wil_tid_ampdu_rx *tid_rx[WIL_STA_TID_NUM];
+ spinlock_t tid_rx_lock; /* guarding tid_rx array */
+ unsigned long tid_rx_timer_expired[BITS_TO_LONGS(WIL_STA_TID_NUM)];
+ unsigned long tid_rx_stop_requested[BITS_TO_LONGS(WIL_STA_TID_NUM)];
+};
+
+enum {
+ fw_recovery_idle = 0,
+ fw_recovery_pending = 1,
+ fw_recovery_running = 2,
+};
+
+enum {
+ hw_capability_last
+};
+
+struct wil_back_rx {
+ struct list_head list;
+ /* request params, converted to CPU byte order - what we asked for */
+ u8 cidxtid;
+ u8 dialog_token;
+ u16 ba_param_set;
+ u16 ba_timeout;
+ u16 ba_seq_ctrl;
+};
+
+struct wil_back_tx {
+ struct list_head list;
+ /* request params, converted to CPU byte order - what we asked for */
+ u8 ringid;
+ u8 agg_wsize;
+ u16 agg_timeout;
+};
+
+struct wil_probe_client_req {
+ struct list_head list;
+ u64 cookie;
+ u8 cid;
+};
+
+struct wil6210_priv {
+ struct pci_dev *pdev;
+ int n_msi;
+ struct wireless_dev *wdev;
+ void __iomem *csr;
+ DECLARE_BITMAP(status, wil_status_last);
+ u32 fw_version;
+ u32 hw_version;
+ const char *hw_name;
+ DECLARE_BITMAP(hw_capabilities, hw_capability_last);
+ u8 n_mids; /* number of additional MIDs as reported by FW */
+ u32 recovery_count; /* num of FW recovery attempts in a short time */
+ u32 recovery_state; /* FW recovery state machine */
+ unsigned long last_fw_recovery; /* jiffies of last fw recovery */
+ wait_queue_head_t wq; /* for all wait_event() use */
+ /* profile */
+ u32 monitor_flags;
+ u32 privacy; /* secure connection? */
+ int sinfo_gen;
+ u32 ap_isolate; /* no intra-BSS communication */
+ /* interrupt moderation */
+ u32 tx_max_burst_duration;
+ u32 tx_interframe_timeout;
+ u32 rx_max_burst_duration;
+ u32 rx_interframe_timeout;
+ /* cached ISR registers */
+ u32 isr_misc;
+ /* mailbox related */
+ struct mutex wmi_mutex;
+ struct wil6210_mbox_ctl mbox_ctl;
+ struct completion wmi_ready;
+ struct completion wmi_call;
+ u16 wmi_seq;
+ u16 reply_id; /**< wait for this WMI event */
+ void *reply_buf;
+ u16 reply_size;
+ struct workqueue_struct *wmi_wq; /* for deferred calls */
+ struct work_struct wmi_event_worker;
+ struct workqueue_struct *wq_service;
+ struct work_struct connect_worker;
+ struct work_struct disconnect_worker;
+ struct work_struct fw_error_worker; /* for FW error recovery */
+ struct timer_list connect_timer;
+ struct timer_list scan_timer; /* detect scan timeout */
+ int pending_connect_cid;
+ struct list_head pending_wmi_ev;
+ /*
+ * protect pending_wmi_ev
+ * - fill in IRQ from wil6210_irq_misc,
+ * - consumed in thread by wmi_event_worker
+ */
+ spinlock_t wmi_ev_lock;
+ struct napi_struct napi_rx;
+ struct napi_struct napi_tx;
+ /* BACK */
+ struct list_head back_rx_pending;
+ struct mutex back_rx_mutex; /* protect @back_rx_pending */
+ struct work_struct back_rx_worker;
+ struct list_head back_tx_pending;
+ struct mutex back_tx_mutex; /* protect @back_tx_pending */
+ struct work_struct back_tx_worker;
+ /* keep alive */
+ struct list_head probe_client_pending;
+ struct mutex probe_client_mutex; /* protect @probe_client_pending */
+ struct work_struct probe_client_worker;
+ /* DMA related */
+ struct vring vring_rx;
+ struct vring vring_tx[WIL6210_MAX_TX_RINGS];
+ struct vring_tx_data vring_tx_data[WIL6210_MAX_TX_RINGS];
+ u8 vring2cid_tid[WIL6210_MAX_TX_RINGS][2]; /* [0] - CID, [1] - TID */
+ struct wil_sta_info sta[WIL6210_MAX_CID];
+ int bcast_vring;
+ /* scan */
+ struct cfg80211_scan_request *scan_request;
+
+ struct mutex mutex; /* for wil6210_priv access in wil_{up|down} */
+ /* statistics */
+ atomic_t isr_count_rx, isr_count_tx;
+ /* debugfs */
+ struct dentry *debug;
+ struct debugfs_blob_wrapper blobs[ARRAY_SIZE(fw_mapping)];
+
+ void *platform_handle;
+ struct wil_platform_ops platform_ops;
+};
+
+#define wil_to_wiphy(i) (i->wdev->wiphy)
+#define wil_to_dev(i) (wiphy_dev(wil_to_wiphy(i)))
+#define wiphy_to_wil(w) (struct wil6210_priv *)(wiphy_priv(w))
+#define wil_to_wdev(i) (i->wdev)
+#define wdev_to_wil(w) (struct wil6210_priv *)(wdev_priv(w))
+#define wil_to_ndev(i) (wil_to_wdev(i)->netdev)
+#define ndev_to_wil(n) (wdev_to_wil(n->ieee80211_ptr))
+
+__printf(2, 3)
+void wil_dbg_trace(struct wil6210_priv *wil, const char *fmt, ...);
+__printf(2, 3)
+void wil_err(struct wil6210_priv *wil, const char *fmt, ...);
+__printf(2, 3)
+void wil_err_ratelimited(struct wil6210_priv *wil, const char *fmt, ...);
+__printf(2, 3)
+void wil_info(struct wil6210_priv *wil, const char *fmt, ...);
+#define wil_dbg(wil, fmt, arg...) do { \
+ netdev_dbg(wil_to_ndev(wil), fmt, ##arg); \
+ wil_dbg_trace(wil, fmt, ##arg); \
+} while (0)
+
+#define wil_dbg_irq(wil, fmt, arg...) wil_dbg(wil, "DBG[ IRQ]" fmt, ##arg)
+#define wil_dbg_txrx(wil, fmt, arg...) wil_dbg(wil, "DBG[TXRX]" fmt, ##arg)
+#define wil_dbg_wmi(wil, fmt, arg...) wil_dbg(wil, "DBG[ WMI]" fmt, ##arg)
+#define wil_dbg_misc(wil, fmt, arg...) wil_dbg(wil, "DBG[MISC]" fmt, ##arg)
+
+#if defined(CONFIG_DYNAMIC_DEBUG)
+#define wil_hex_dump_txrx(prefix_str, prefix_type, rowsize, \
+ groupsize, buf, len, ascii) \
+ print_hex_dump_debug("DBG[TXRX]" prefix_str,\
+ prefix_type, rowsize, \
+ groupsize, buf, len, ascii)
+
+#define wil_hex_dump_wmi(prefix_str, prefix_type, rowsize, \
+ groupsize, buf, len, ascii) \
+ print_hex_dump_debug("DBG[ WMI]" prefix_str,\
+ prefix_type, rowsize, \
+ groupsize, buf, len, ascii)
+#else /* defined(CONFIG_DYNAMIC_DEBUG) */
+static inline
+void wil_hex_dump_txrx(const char *prefix_str, int prefix_type, int rowsize,
+ int groupsize, const void *buf, size_t len, bool ascii)
+{
+}
+
+static inline
+void wil_hex_dump_wmi(const char *prefix_str, int prefix_type, int rowsize,
+ int groupsize, const void *buf, size_t len, bool ascii)
+{
+}
+#endif /* defined(CONFIG_DYNAMIC_DEBUG) */
+
+void wil_memcpy_fromio_32(void *dst, const volatile void __iomem *src,
+ size_t count);
+void wil_memcpy_toio_32(volatile void __iomem *dst, const void *src,
+ size_t count);
+
+void *wil_if_alloc(struct device *dev, void __iomem *csr);
+void wil_if_free(struct wil6210_priv *wil);
+int wil_if_add(struct wil6210_priv *wil);
+void wil_if_remove(struct wil6210_priv *wil);
+int wil_priv_init(struct wil6210_priv *wil);
+void wil_priv_deinit(struct wil6210_priv *wil);
+int wil_reset(struct wil6210_priv *wil, bool no_fw);
+void wil_fw_error_recovery(struct wil6210_priv *wil);
+void wil_set_recovery_state(struct wil6210_priv *wil, int state);
+int wil_up(struct wil6210_priv *wil);
+int __wil_up(struct wil6210_priv *wil);
+int wil_down(struct wil6210_priv *wil);
+int __wil_down(struct wil6210_priv *wil);
+void wil_mbox_ring_le2cpus(struct wil6210_mbox_ring *r);
+int wil_find_cid(struct wil6210_priv *wil, const u8 *mac);
+void wil_set_ethtoolops(struct net_device *ndev);
+
+void __iomem *wmi_buffer(struct wil6210_priv *wil, __le32 ptr);
+void __iomem *wmi_addr(struct wil6210_priv *wil, u32 ptr);
+int wmi_read_hdr(struct wil6210_priv *wil, __le32 ptr,
+ struct wil6210_mbox_hdr *hdr);
+int wmi_send(struct wil6210_priv *wil, u16 cmdid, void *buf, u16 len);
+void wmi_recv_cmd(struct wil6210_priv *wil);
+int wmi_call(struct wil6210_priv *wil, u16 cmdid, void *buf, u16 len,
+ u16 reply_id, void *reply, u8 reply_size, int to_msec);
+void wmi_event_worker(struct work_struct *work);
+void wmi_event_flush(struct wil6210_priv *wil);
+int wmi_set_ssid(struct wil6210_priv *wil, u8 ssid_len, const void *ssid);
+int wmi_get_ssid(struct wil6210_priv *wil, u8 *ssid_len, void *ssid);
+int wmi_set_channel(struct wil6210_priv *wil, int channel);
+int wmi_get_channel(struct wil6210_priv *wil, int *channel);
+int wmi_del_cipher_key(struct wil6210_priv *wil, u8 key_index,
+ const void *mac_addr);
+int wmi_add_cipher_key(struct wil6210_priv *wil, u8 key_index,
+ const void *mac_addr, int key_len, const void *key);
+int wmi_echo(struct wil6210_priv *wil);
+int wmi_set_ie(struct wil6210_priv *wil, u8 type, u16 ie_len, const void *ie);
+int wmi_rx_chain_add(struct wil6210_priv *wil, struct vring *vring);
+int wmi_p2p_cfg(struct wil6210_priv *wil, int channel);
+int wmi_rxon(struct wil6210_priv *wil, bool on);
+int wmi_get_temperature(struct wil6210_priv *wil, u32 *t_m, u32 *t_r);
+int wmi_disconnect_sta(struct wil6210_priv *wil, const u8 *mac, u16 reason);
+int wmi_addba(struct wil6210_priv *wil, u8 ringid, u8 size, u16 timeout);
+int wmi_delba_tx(struct wil6210_priv *wil, u8 ringid, u16 reason);
+int wmi_delba_rx(struct wil6210_priv *wil, u8 cidxtid, u16 reason);
+int wmi_addba_rx_resp(struct wil6210_priv *wil, u8 cid, u8 tid, u8 token,
+ u16 status, bool amsdu, u16 agg_wsize, u16 timeout);
+int wil_addba_rx_request(struct wil6210_priv *wil, u8 cidxtid,
+ u8 dialog_token, __le16 ba_param_set,
+ __le16 ba_timeout, __le16 ba_seq_ctrl);
+void wil_back_rx_worker(struct work_struct *work);
+void wil_back_rx_flush(struct wil6210_priv *wil);
+int wil_addba_tx_request(struct wil6210_priv *wil, u8 ringid, u16 wsize);
+void wil_back_tx_worker(struct work_struct *work);
+void wil_back_tx_flush(struct wil6210_priv *wil);
+
+void wil6210_clear_irq(struct wil6210_priv *wil);
+int wil6210_init_irq(struct wil6210_priv *wil, int irq);
+void wil6210_fini_irq(struct wil6210_priv *wil, int irq);
+void wil_mask_irq(struct wil6210_priv *wil);
+void wil_unmask_irq(struct wil6210_priv *wil);
+void wil_configure_interrupt_moderation(struct wil6210_priv *wil);
+void wil_disable_irq(struct wil6210_priv *wil);
+void wil_enable_irq(struct wil6210_priv *wil);
+int wil_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
+ struct cfg80211_mgmt_tx_params *params,
+ u64 *cookie);
+
+int wil6210_debugfs_init(struct wil6210_priv *wil);
+void wil6210_debugfs_remove(struct wil6210_priv *wil);
+int wil_cid_fill_sinfo(struct wil6210_priv *wil, int cid,
+ struct station_info *sinfo);
+
+struct wireless_dev *wil_cfg80211_init(struct device *dev);
+void wil_wdev_free(struct wil6210_priv *wil);
+
+int wmi_set_mac_address(struct wil6210_priv *wil, void *addr);
+int wmi_pcp_start(struct wil6210_priv *wil, int bi, u8 wmi_nettype, u8 chan);
+int wmi_pcp_stop(struct wil6210_priv *wil);
+void wil6210_disconnect(struct wil6210_priv *wil, const u8 *bssid,
+ u16 reason_code, bool from_event);
+void wil_probe_client_flush(struct wil6210_priv *wil);
+void wil_probe_client_worker(struct work_struct *work);
+
+int wil_rx_init(struct wil6210_priv *wil, u16 size);
+void wil_rx_fini(struct wil6210_priv *wil);
+
+/* TX API */
+int wil_vring_init_tx(struct wil6210_priv *wil, int id, int size,
+ int cid, int tid);
+void wil_vring_fini_tx(struct wil6210_priv *wil, int id);
+int wil_vring_init_bcast(struct wil6210_priv *wil, int id, int size);
+int wil_bcast_init(struct wil6210_priv *wil);
+void wil_bcast_fini(struct wil6210_priv *wil);
+
+netdev_tx_t wil_start_xmit(struct sk_buff *skb, struct net_device *ndev);
+int wil_tx_complete(struct wil6210_priv *wil, int ringid);
+void wil6210_unmask_irq_tx(struct wil6210_priv *wil);
+
+/* RX API */
+void wil_rx_handle(struct wil6210_priv *wil, int *quota);
+void wil6210_unmask_irq_rx(struct wil6210_priv *wil);
+
+int wil_iftype_nl2wmi(enum nl80211_iftype type);
+
+int wil_ioctl(struct wil6210_priv *wil, void __user *data, int cmd);
+int wil_request_firmware(struct wil6210_priv *wil, const char *name);
+
+#endif /* __WIL6210_H__ */
Code Review / kvmfornfv.git / blobdiff