--- /dev/null
+/*
+ * Copyright (c) 2010-2011 Atheros Communications Inc.
+ * Copyright (c) 2011-2012 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 CORE_H
+#define CORE_H
+
+#include <linux/etherdevice.h>
+#include <linux/rtnetlink.h>
+#include <linux/firmware.h>
+#include <linux/sched.h>
+#include <linux/circ_buf.h>
+#include <net/cfg80211.h>
+#include "htc.h"
+#include "wmi.h"
+#include "bmi.h"
+#include "target.h"
+
+#define MAX_ATH6KL 1
+#define ATH6KL_MAX_RX_BUFFERS 16
+#define ATH6KL_BUFFER_SIZE 1664
+#define ATH6KL_MAX_AMSDU_RX_BUFFERS 4
+#define ATH6KL_AMSDU_REFILL_THRESHOLD 3
+#define ATH6KL_AMSDU_BUFFER_SIZE (WMI_MAX_AMSDU_RX_DATA_FRAME_LENGTH + 128)
+#define MAX_MSDU_SUBFRAME_PAYLOAD_LEN 1508
+#define MIN_MSDU_SUBFRAME_PAYLOAD_LEN 46
+
+#define USER_SAVEDKEYS_STAT_INIT 0
+#define USER_SAVEDKEYS_STAT_RUN 1
+
+#define ATH6KL_TX_TIMEOUT 10
+#define ATH6KL_MAX_ENDPOINTS 4
+#define MAX_NODE_NUM 15
+
+#define ATH6KL_APSD_ALL_FRAME 0xFFFF
+#define ATH6KL_APSD_NUM_OF_AC 0x4
+#define ATH6KL_APSD_FRAME_MASK 0xF
+
+/* Extra bytes for htc header alignment */
+#define ATH6KL_HTC_ALIGN_BYTES 3
+
+/* MAX_HI_COOKIE_NUM are reserved for high priority traffic */
+#define MAX_DEF_COOKIE_NUM 180
+#define MAX_HI_COOKIE_NUM 18 /* 10% of MAX_COOKIE_NUM */
+#define MAX_COOKIE_NUM (MAX_DEF_COOKIE_NUM + MAX_HI_COOKIE_NUM)
+
+#define MAX_DEFAULT_SEND_QUEUE_DEPTH (MAX_DEF_COOKIE_NUM / WMM_NUM_AC)
+
+#define DISCON_TIMER_INTVAL 10000 /* in msec */
+
+/* Channel dwell time in fg scan */
+#define ATH6KL_FG_SCAN_INTERVAL 50 /* in ms */
+
+/* includes also the null byte */
+#define ATH6KL_FIRMWARE_MAGIC "QCA-ATH6KL"
+
+enum ath6kl_fw_ie_type {
+ ATH6KL_FW_IE_FW_VERSION = 0,
+ ATH6KL_FW_IE_TIMESTAMP = 1,
+ ATH6KL_FW_IE_OTP_IMAGE = 2,
+ ATH6KL_FW_IE_FW_IMAGE = 3,
+ ATH6KL_FW_IE_PATCH_IMAGE = 4,
+ ATH6KL_FW_IE_RESERVED_RAM_SIZE = 5,
+ ATH6KL_FW_IE_CAPABILITIES = 6,
+ ATH6KL_FW_IE_PATCH_ADDR = 7,
+ ATH6KL_FW_IE_BOARD_ADDR = 8,
+ ATH6KL_FW_IE_VIF_MAX = 9,
+};
+
+enum ath6kl_fw_capability {
+ ATH6KL_FW_CAPABILITY_HOST_P2P = 0,
+ ATH6KL_FW_CAPABILITY_SCHED_SCAN = 1,
+
+ /*
+ * Firmware is capable of supporting P2P mgmt operations on a
+ * station interface. After group formation, the station
+ * interface will become a P2P client/GO interface as the case may be
+ */
+ ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX,
+
+ /*
+ * Firmware has support to cleanup inactive stations
+ * in AP mode.
+ */
+ ATH6KL_FW_CAPABILITY_INACTIVITY_TIMEOUT,
+
+ /* Firmware has support to override rsn cap of rsn ie */
+ ATH6KL_FW_CAPABILITY_RSN_CAP_OVERRIDE,
+
+ /*
+ * Multicast support in WOW and host awake mode.
+ * Allow all multicast in host awake mode.
+ * Apply multicast filter in WOW mode.
+ */
+ ATH6KL_FW_CAPABILITY_WOW_MULTICAST_FILTER,
+
+ /* Firmware supports enhanced bmiss detection */
+ ATH6KL_FW_CAPABILITY_BMISS_ENHANCE,
+
+ /*
+ * FW supports matching of ssid in schedule scan
+ */
+ ATH6KL_FW_CAPABILITY_SCHED_SCAN_MATCH_LIST,
+
+ /* Firmware supports filtering BSS results by RSSI */
+ ATH6KL_FW_CAPABILITY_RSSI_SCAN_THOLD,
+
+ /* FW sets mac_addr[4] ^= 0x80 for newly created interfaces */
+ ATH6KL_FW_CAPABILITY_CUSTOM_MAC_ADDR,
+
+ /* Firmware supports TX error rate notification */
+ ATH6KL_FW_CAPABILITY_TX_ERR_NOTIFY,
+
+ /* supports WMI_SET_REGDOMAIN_CMDID command */
+ ATH6KL_FW_CAPABILITY_REGDOMAIN,
+
+ /* Firmware supports sched scan decoupled from host sleep */
+ ATH6KL_FW_CAPABILITY_SCHED_SCAN_V2,
+
+ /*
+ * Firmware capability for hang detection through heart beat
+ * challenge messages.
+ */
+ ATH6KL_FW_CAPABILITY_HEART_BEAT_POLL,
+
+ /* WMI_SET_TX_SELECT_RATES_CMDID uses 64 bit size rate table */
+ ATH6KL_FW_CAPABILITY_64BIT_RATES,
+
+ /* WMI_AP_CONN_INACT_CMDID uses minutes as units */
+ ATH6KL_FW_CAPABILITY_AP_INACTIVITY_MINS,
+
+ /* use low priority endpoint for all data */
+ ATH6KL_FW_CAPABILITY_MAP_LP_ENDPOINT,
+
+ /* ratetable is the 2 stream version (max MCS15) */
+ ATH6KL_FW_CAPABILITY_RATETABLE_MCS15,
+
+ /* firmare doesn't support IP checksumming */
+ ATH6KL_FW_CAPABILITY_NO_IP_CHECKSUM,
+
+ /* this needs to be last */
+ ATH6KL_FW_CAPABILITY_MAX,
+};
+
+#define ATH6KL_CAPABILITY_LEN (ALIGN(ATH6KL_FW_CAPABILITY_MAX, 32) / 32)
+
+struct ath6kl_fw_ie {
+ __le32 id;
+ __le32 len;
+ u8 data[0];
+};
+
+enum ath6kl_hw_flags {
+ ATH6KL_HW_SDIO_CRC_ERROR_WAR = BIT(3),
+};
+
+#define ATH6KL_FW_API2_FILE "fw-2.bin"
+#define ATH6KL_FW_API3_FILE "fw-3.bin"
+#define ATH6KL_FW_API4_FILE "fw-4.bin"
+#define ATH6KL_FW_API5_FILE "fw-5.bin"
+
+/* AR6003 1.0 definitions */
+#define AR6003_HW_1_0_VERSION 0x300002ba
+
+/* AR6003 2.0 definitions */
+#define AR6003_HW_2_0_VERSION 0x30000384
+#define AR6003_HW_2_0_PATCH_DOWNLOAD_ADDRESS 0x57e910
+#define AR6003_HW_2_0_FW_DIR "ath6k/AR6003/hw2.0"
+#define AR6003_HW_2_0_OTP_FILE "otp.bin.z77"
+#define AR6003_HW_2_0_FIRMWARE_FILE "athwlan.bin.z77"
+#define AR6003_HW_2_0_TCMD_FIRMWARE_FILE "athtcmd_ram.bin"
+#define AR6003_HW_2_0_PATCH_FILE "data.patch.bin"
+#define AR6003_HW_2_0_BOARD_DATA_FILE AR6003_HW_2_0_FW_DIR "/bdata.bin"
+#define AR6003_HW_2_0_DEFAULT_BOARD_DATA_FILE \
+ AR6003_HW_2_0_FW_DIR "/bdata.SD31.bin"
+
+/* AR6003 3.0 definitions */
+#define AR6003_HW_2_1_1_VERSION 0x30000582
+#define AR6003_HW_2_1_1_FW_DIR "ath6k/AR6003/hw2.1.1"
+#define AR6003_HW_2_1_1_OTP_FILE "otp.bin"
+#define AR6003_HW_2_1_1_FIRMWARE_FILE "athwlan.bin"
+#define AR6003_HW_2_1_1_TCMD_FIRMWARE_FILE "athtcmd_ram.bin"
+#define AR6003_HW_2_1_1_UTF_FIRMWARE_FILE "utf.bin"
+#define AR6003_HW_2_1_1_TESTSCRIPT_FILE "nullTestFlow.bin"
+#define AR6003_HW_2_1_1_PATCH_FILE "data.patch.bin"
+#define AR6003_HW_2_1_1_BOARD_DATA_FILE AR6003_HW_2_1_1_FW_DIR "/bdata.bin"
+#define AR6003_HW_2_1_1_DEFAULT_BOARD_DATA_FILE \
+ AR6003_HW_2_1_1_FW_DIR "/bdata.SD31.bin"
+
+/* AR6004 1.0 definitions */
+#define AR6004_HW_1_0_VERSION 0x30000623
+#define AR6004_HW_1_0_FW_DIR "ath6k/AR6004/hw1.0"
+#define AR6004_HW_1_0_FIRMWARE_FILE "fw.ram.bin"
+#define AR6004_HW_1_0_BOARD_DATA_FILE AR6004_HW_1_0_FW_DIR "/bdata.bin"
+#define AR6004_HW_1_0_DEFAULT_BOARD_DATA_FILE \
+ AR6004_HW_1_0_FW_DIR "/bdata.DB132.bin"
+
+/* AR6004 1.1 definitions */
+#define AR6004_HW_1_1_VERSION 0x30000001
+#define AR6004_HW_1_1_FW_DIR "ath6k/AR6004/hw1.1"
+#define AR6004_HW_1_1_FIRMWARE_FILE "fw.ram.bin"
+#define AR6004_HW_1_1_BOARD_DATA_FILE AR6004_HW_1_1_FW_DIR "/bdata.bin"
+#define AR6004_HW_1_1_DEFAULT_BOARD_DATA_FILE \
+ AR6004_HW_1_1_FW_DIR "/bdata.DB132.bin"
+
+/* AR6004 1.2 definitions */
+#define AR6004_HW_1_2_VERSION 0x300007e8
+#define AR6004_HW_1_2_FW_DIR "ath6k/AR6004/hw1.2"
+#define AR6004_HW_1_2_FIRMWARE_FILE "fw.ram.bin"
+#define AR6004_HW_1_2_BOARD_DATA_FILE AR6004_HW_1_2_FW_DIR "/bdata.bin"
+#define AR6004_HW_1_2_DEFAULT_BOARD_DATA_FILE \
+ AR6004_HW_1_2_FW_DIR "/bdata.bin"
+
+/* AR6004 1.3 definitions */
+#define AR6004_HW_1_3_VERSION 0x31c8088a
+#define AR6004_HW_1_3_FW_DIR "ath6k/AR6004/hw1.3"
+#define AR6004_HW_1_3_FIRMWARE_FILE "fw.ram.bin"
+#define AR6004_HW_1_3_TCMD_FIRMWARE_FILE "utf.bin"
+#define AR6004_HW_1_3_UTF_FIRMWARE_FILE "utf.bin"
+#define AR6004_HW_1_3_TESTSCRIPT_FILE "nullTestFlow.bin"
+#define AR6004_HW_1_3_BOARD_DATA_FILE AR6004_HW_1_3_FW_DIR "/bdata.bin"
+#define AR6004_HW_1_3_DEFAULT_BOARD_DATA_FILE AR6004_HW_1_3_FW_DIR "/bdata.bin"
+
+/* AR6004 3.0 definitions */
+#define AR6004_HW_3_0_VERSION 0x31C809F8
+#define AR6004_HW_3_0_FW_DIR "ath6k/AR6004/hw3.0"
+#define AR6004_HW_3_0_FIRMWARE_FILE "fw.ram.bin"
+#define AR6004_HW_3_0_TCMD_FIRMWARE_FILE "utf.bin"
+#define AR6004_HW_3_0_UTF_FIRMWARE_FILE "utf.bin"
+#define AR6004_HW_3_0_TESTSCRIPT_FILE "nullTestFlow.bin"
+#define AR6004_HW_3_0_BOARD_DATA_FILE AR6004_HW_3_0_FW_DIR "/bdata.bin"
+#define AR6004_HW_3_0_DEFAULT_BOARD_DATA_FILE AR6004_HW_3_0_FW_DIR "/bdata.bin"
+
+/* Per STA data, used in AP mode */
+#define STA_PS_AWAKE BIT(0)
+#define STA_PS_SLEEP BIT(1)
+#define STA_PS_POLLED BIT(2)
+#define STA_PS_APSD_TRIGGER BIT(3)
+#define STA_PS_APSD_EOSP BIT(4)
+
+/* HTC TX packet tagging definitions */
+#define ATH6KL_CONTROL_PKT_TAG HTC_TX_PACKET_TAG_USER_DEFINED
+#define ATH6KL_DATA_PKT_TAG (ATH6KL_CONTROL_PKT_TAG + 1)
+
+#define AR6003_CUST_DATA_SIZE 16
+
+#define AGGR_WIN_IDX(x, y) ((x) % (y))
+#define AGGR_INCR_IDX(x, y) AGGR_WIN_IDX(((x) + 1), (y))
+#define AGGR_DCRM_IDX(x, y) AGGR_WIN_IDX(((x) - 1), (y))
+#define ATH6KL_MAX_SEQ_NO 0xFFF
+#define ATH6KL_NEXT_SEQ_NO(x) (((x) + 1) & ATH6KL_MAX_SEQ_NO)
+
+#define NUM_OF_TIDS 8
+#define AGGR_SZ_DEFAULT 8
+
+#define AGGR_WIN_SZ_MIN 2
+#define AGGR_WIN_SZ_MAX 8
+
+#define TID_WINDOW_SZ(_x) ((_x) << 1)
+
+#define AGGR_NUM_OF_FREE_NETBUFS 16
+
+#define AGGR_RX_TIMEOUT 100 /* in ms */
+
+#define WMI_TIMEOUT (2 * HZ)
+
+#define MBOX_YIELD_LIMIT 99
+
+#define ATH6KL_DEFAULT_LISTEN_INTVAL 100 /* in TUs */
+#define ATH6KL_DEFAULT_BMISS_TIME 1500
+#define ATH6KL_MAX_WOW_LISTEN_INTL 300 /* in TUs */
+#define ATH6KL_MAX_BMISS_TIME 5000
+
+/* configuration lags */
+/*
+ * ATH6KL_CONF_IGNORE_ERP_BARKER: Ignore the barker premable in
+ * ERP IE of beacon to determine the short premable support when
+ * sending (Re)Assoc req.
+ * ATH6KL_CONF_IGNORE_PS_FAIL_EVT_IN_SCAN: Don't send the power
+ * module state transition failure events which happen during
+ * scan, to the host.
+ */
+#define ATH6KL_CONF_IGNORE_ERP_BARKER BIT(0)
+#define ATH6KL_CONF_IGNORE_PS_FAIL_EVT_IN_SCAN BIT(1)
+#define ATH6KL_CONF_ENABLE_11N BIT(2)
+#define ATH6KL_CONF_ENABLE_TX_BURST BIT(3)
+#define ATH6KL_CONF_UART_DEBUG BIT(4)
+
+#define P2P_WILDCARD_SSID_LEN 7 /* DIRECT- */
+
+enum wlan_low_pwr_state {
+ WLAN_POWER_STATE_ON,
+ WLAN_POWER_STATE_CUT_PWR,
+ WLAN_POWER_STATE_DEEP_SLEEP,
+ WLAN_POWER_STATE_WOW
+};
+
+enum sme_state {
+ SME_DISCONNECTED,
+ SME_CONNECTING,
+ SME_CONNECTED
+};
+
+struct skb_hold_q {
+ struct sk_buff *skb;
+ bool is_amsdu;
+ u16 seq_no;
+};
+
+struct rxtid {
+ bool aggr;
+ bool timer_mon;
+ u16 win_sz;
+ u16 seq_next;
+ u32 hold_q_sz;
+ struct skb_hold_q *hold_q;
+ struct sk_buff_head q;
+
+ /*
+ * lock mainly protects seq_next and hold_q. Movement of seq_next
+ * needs to be protected between aggr_timeout() and
+ * aggr_process_recv_frm(). hold_q will be holding the pending
+ * reorder frames and it's access should also be protected.
+ * Some of the other fields like hold_q_sz, win_sz and aggr are
+ * initialized/reset when receiving addba/delba req, also while
+ * deleting aggr state all the pending buffers are flushed before
+ * resetting these fields, so there should not be any race in accessing
+ * these fields.
+ */
+ spinlock_t lock;
+};
+
+struct rxtid_stats {
+ u32 num_into_aggr;
+ u32 num_dups;
+ u32 num_oow;
+ u32 num_mpdu;
+ u32 num_amsdu;
+ u32 num_delivered;
+ u32 num_timeouts;
+ u32 num_hole;
+ u32 num_bar;
+};
+
+struct aggr_info_conn {
+ u8 aggr_sz;
+ u8 timer_scheduled;
+ struct timer_list timer;
+ struct net_device *dev;
+ struct rxtid rx_tid[NUM_OF_TIDS];
+ struct rxtid_stats stat[NUM_OF_TIDS];
+ struct aggr_info *aggr_info;
+};
+
+struct aggr_info {
+ struct aggr_info_conn *aggr_conn;
+ struct sk_buff_head rx_amsdu_freeq;
+};
+
+struct ath6kl_wep_key {
+ u8 key_index;
+ u8 key_len;
+ u8 key[64];
+};
+
+#define ATH6KL_KEY_SEQ_LEN 8
+
+struct ath6kl_key {
+ u8 key[WLAN_MAX_KEY_LEN];
+ u8 key_len;
+ u8 seq[ATH6KL_KEY_SEQ_LEN];
+ u8 seq_len;
+ u32 cipher;
+};
+
+struct ath6kl_node_mapping {
+ u8 mac_addr[ETH_ALEN];
+ u8 ep_id;
+ u8 tx_pend;
+};
+
+struct ath6kl_cookie {
+ struct sk_buff *skb;
+ u32 map_no;
+ struct htc_packet htc_pkt;
+ struct ath6kl_cookie *arc_list_next;
+};
+
+struct ath6kl_mgmt_buff {
+ struct list_head list;
+ u32 freq;
+ u32 wait;
+ u32 id;
+ bool no_cck;
+ size_t len;
+ u8 buf[0];
+};
+
+struct ath6kl_sta {
+ u16 sta_flags;
+ u8 mac[ETH_ALEN];
+ u8 aid;
+ u8 keymgmt;
+ u8 ucipher;
+ u8 auth;
+ u8 wpa_ie[ATH6KL_MAX_IE];
+ struct sk_buff_head psq;
+
+ /* protects psq, mgmt_psq, apsdq, and mgmt_psq_len fields */
+ spinlock_t psq_lock;
+
+ struct list_head mgmt_psq;
+ size_t mgmt_psq_len;
+ u8 apsd_info;
+ struct sk_buff_head apsdq;
+ struct aggr_info_conn *aggr_conn;
+};
+
+struct ath6kl_version {
+ u32 target_ver;
+ u32 wlan_ver;
+ u32 abi_ver;
+};
+
+struct ath6kl_bmi {
+ u32 cmd_credits;
+ bool done_sent;
+ u8 *cmd_buf;
+ u32 max_data_size;
+ u32 max_cmd_size;
+};
+
+struct target_stats {
+ u64 tx_pkt;
+ u64 tx_byte;
+ u64 tx_ucast_pkt;
+ u64 tx_ucast_byte;
+ u64 tx_mcast_pkt;
+ u64 tx_mcast_byte;
+ u64 tx_bcast_pkt;
+ u64 tx_bcast_byte;
+ u64 tx_rts_success_cnt;
+ u64 tx_pkt_per_ac[4];
+
+ u64 tx_err;
+ u64 tx_fail_cnt;
+ u64 tx_retry_cnt;
+ u64 tx_mult_retry_cnt;
+ u64 tx_rts_fail_cnt;
+
+ u64 rx_pkt;
+ u64 rx_byte;
+ u64 rx_ucast_pkt;
+ u64 rx_ucast_byte;
+ u64 rx_mcast_pkt;
+ u64 rx_mcast_byte;
+ u64 rx_bcast_pkt;
+ u64 rx_bcast_byte;
+ u64 rx_frgment_pkt;
+
+ u64 rx_err;
+ u64 rx_crc_err;
+ u64 rx_key_cache_miss;
+ u64 rx_decrypt_err;
+ u64 rx_dupl_frame;
+
+ u64 tkip_local_mic_fail;
+ u64 tkip_cnter_measures_invoked;
+ u64 tkip_replays;
+ u64 tkip_fmt_err;
+ u64 ccmp_fmt_err;
+ u64 ccmp_replays;
+
+ u64 pwr_save_fail_cnt;
+
+ u64 cs_bmiss_cnt;
+ u64 cs_low_rssi_cnt;
+ u64 cs_connect_cnt;
+ u64 cs_discon_cnt;
+
+ s32 tx_ucast_rate;
+ s32 rx_ucast_rate;
+
+ u32 lq_val;
+
+ u32 wow_pkt_dropped;
+ u16 wow_evt_discarded;
+
+ s16 noise_floor_calib;
+ s16 cs_rssi;
+ s16 cs_ave_beacon_rssi;
+ u8 cs_ave_beacon_snr;
+ u8 cs_last_roam_msec;
+ u8 cs_snr;
+
+ u8 wow_host_pkt_wakeups;
+ u8 wow_host_evt_wakeups;
+
+ u32 arp_received;
+ u32 arp_matched;
+ u32 arp_replied;
+};
+
+struct ath6kl_mbox_info {
+ u32 htc_addr;
+ u32 htc_ext_addr;
+ u32 htc_ext_sz;
+
+ u32 block_size;
+
+ u32 gmbox_addr;
+
+ u32 gmbox_sz;
+};
+
+/*
+ * 802.11i defines an extended IV for use with non-WEP ciphers.
+ * When the EXTIV bit is set in the key id byte an additional
+ * 4 bytes immediately follow the IV for TKIP. For CCMP the
+ * EXTIV bit is likewise set but the 8 bytes represent the
+ * CCMP header rather than IV+extended-IV.
+ */
+
+#define ATH6KL_KEYBUF_SIZE 16
+#define ATH6KL_MICBUF_SIZE (8+8) /* space for both tx and rx */
+
+#define ATH6KL_KEY_XMIT 0x01
+#define ATH6KL_KEY_RECV 0x02
+#define ATH6KL_KEY_DEFAULT 0x80 /* default xmit key */
+
+/* Initial group key for AP mode */
+struct ath6kl_req_key {
+ bool valid;
+ u8 key_index;
+ int key_type;
+ u8 key[WLAN_MAX_KEY_LEN];
+ u8 key_len;
+};
+
+enum ath6kl_hif_type {
+ ATH6KL_HIF_TYPE_SDIO,
+ ATH6KL_HIF_TYPE_USB,
+};
+
+enum ath6kl_htc_type {
+ ATH6KL_HTC_TYPE_MBOX,
+ ATH6KL_HTC_TYPE_PIPE,
+};
+
+/* Max number of filters that hw supports */
+#define ATH6K_MAX_MC_FILTERS_PER_LIST 7
+struct ath6kl_mc_filter {
+ struct list_head list;
+ char hw_addr[ATH6KL_MCAST_FILTER_MAC_ADDR_SIZE];
+};
+
+struct ath6kl_htcap {
+ bool ht_enable;
+ u8 ampdu_factor;
+ unsigned short cap_info;
+};
+
+/*
+ * Driver's maximum limit, note that some firmwares support only one vif
+ * and the runtime (current) limit must be checked from ar->vif_max.
+ */
+#define ATH6KL_VIF_MAX 3
+
+/* vif flags info */
+enum ath6kl_vif_state {
+ CONNECTED,
+ CONNECT_PEND,
+ WMM_ENABLED,
+ NETQ_STOPPED,
+ DTIM_EXPIRED,
+ CLEAR_BSSFILTER_ON_BEACON,
+ DTIM_PERIOD_AVAIL,
+ WLAN_ENABLED,
+ STATS_UPDATE_PEND,
+ HOST_SLEEP_MODE_CMD_PROCESSED,
+ NETDEV_MCAST_ALL_ON,
+ NETDEV_MCAST_ALL_OFF,
+ SCHED_SCANNING,
+};
+
+struct ath6kl_vif {
+ struct list_head list;
+ struct wireless_dev wdev;
+ struct net_device *ndev;
+ struct ath6kl *ar;
+ /* Lock to protect vif specific net_stats and flags */
+ spinlock_t if_lock;
+ u8 fw_vif_idx;
+ unsigned long flags;
+ int ssid_len;
+ u8 ssid[IEEE80211_MAX_SSID_LEN];
+ u8 dot11_auth_mode;
+ u8 auth_mode;
+ u8 prwise_crypto;
+ u8 prwise_crypto_len;
+ u8 grp_crypto;
+ u8 grp_crypto_len;
+ u8 def_txkey_index;
+ u8 next_mode;
+ u8 nw_type;
+ u8 bssid[ETH_ALEN];
+ u8 req_bssid[ETH_ALEN];
+ u16 ch_hint;
+ u16 bss_ch;
+ struct ath6kl_wep_key wep_key_list[WMI_MAX_KEY_INDEX + 1];
+ struct ath6kl_key keys[WMI_MAX_KEY_INDEX + 1];
+ struct aggr_info *aggr_cntxt;
+ struct ath6kl_htcap htcap[IEEE80211_NUM_BANDS];
+
+ struct timer_list disconnect_timer;
+ struct timer_list sched_scan_timer;
+
+ struct cfg80211_scan_request *scan_req;
+ enum sme_state sme_state;
+ int reconnect_flag;
+ u32 last_roc_id;
+ u32 last_cancel_roc_id;
+ u32 send_action_id;
+ bool probe_req_report;
+ u16 assoc_bss_beacon_int;
+ u16 listen_intvl_t;
+ u16 bmiss_time_t;
+ u32 txe_intvl;
+ u16 bg_scan_period;
+ u8 assoc_bss_dtim_period;
+ struct net_device_stats net_stats;
+ struct target_stats target_stats;
+ struct wmi_connect_cmd profile;
+ u16 rsn_capab;
+
+ struct list_head mc_filter;
+};
+
+static inline struct ath6kl_vif *ath6kl_vif_from_wdev(struct wireless_dev *wdev)
+{
+ return container_of(wdev, struct ath6kl_vif, wdev);
+}
+
+#define WOW_LIST_ID 0
+#define WOW_HOST_REQ_DELAY 500 /* ms */
+
+#define ATH6KL_SCHED_SCAN_RESULT_DELAY 5000 /* ms */
+
+/* Flag info */
+enum ath6kl_dev_state {
+ WMI_ENABLED,
+ WMI_READY,
+ WMI_CTRL_EP_FULL,
+ TESTMODE,
+ DESTROY_IN_PROGRESS,
+ SKIP_SCAN,
+ ROAM_TBL_PEND,
+ FIRST_BOOT,
+ RECOVERY_CLEANUP,
+};
+
+enum ath6kl_state {
+ ATH6KL_STATE_OFF,
+ ATH6KL_STATE_ON,
+ ATH6KL_STATE_SUSPENDING,
+ ATH6KL_STATE_RESUMING,
+ ATH6KL_STATE_DEEPSLEEP,
+ ATH6KL_STATE_CUTPOWER,
+ ATH6KL_STATE_WOW,
+ ATH6KL_STATE_RECOVERY,
+};
+
+/* Fw error recovery */
+#define ATH6KL_HB_RESP_MISS_THRES 5
+
+enum ath6kl_fw_err {
+ ATH6KL_FW_ASSERT,
+ ATH6KL_FW_HB_RESP_FAILURE,
+ ATH6KL_FW_EP_FULL,
+};
+
+struct ath6kl {
+ struct device *dev;
+ struct wiphy *wiphy;
+
+ enum ath6kl_state state;
+ unsigned int testmode;
+
+ struct ath6kl_bmi bmi;
+ const struct ath6kl_hif_ops *hif_ops;
+ const struct ath6kl_htc_ops *htc_ops;
+ struct wmi *wmi;
+ int tx_pending[ENDPOINT_MAX];
+ int total_tx_data_pend;
+ struct htc_target *htc_target;
+ enum ath6kl_hif_type hif_type;
+ void *hif_priv;
+ struct list_head vif_list;
+ /* Lock to avoid race in vif_list entries among add/del/traverse */
+ spinlock_t list_lock;
+ u8 num_vif;
+ unsigned int vif_max;
+ u8 max_norm_iface;
+ u8 avail_idx_map;
+
+ /*
+ * Protects at least amsdu_rx_buffer_queue, ath6kl_alloc_cookie()
+ * calls, tx_pending and total_tx_data_pend.
+ */
+ spinlock_t lock;
+
+ struct semaphore sem;
+ u8 lrssi_roam_threshold;
+ struct ath6kl_version version;
+ u32 target_type;
+ u8 tx_pwr;
+ struct ath6kl_node_mapping node_map[MAX_NODE_NUM];
+ u8 ibss_ps_enable;
+ bool ibss_if_active;
+ u8 node_num;
+ u8 next_ep_id;
+ struct ath6kl_cookie *cookie_list;
+ u32 cookie_count;
+ enum htc_endpoint_id ac2ep_map[WMM_NUM_AC];
+ bool ac_stream_active[WMM_NUM_AC];
+ u8 ac_stream_pri_map[WMM_NUM_AC];
+ u8 hiac_stream_active_pri;
+ u8 ep2ac_map[ENDPOINT_MAX];
+ enum htc_endpoint_id ctrl_ep;
+ struct ath6kl_htc_credit_info credit_state_info;
+ u32 connect_ctrl_flags;
+ u32 user_key_ctrl;
+ u8 usr_bss_filter;
+ struct ath6kl_sta sta_list[AP_MAX_NUM_STA];
+ u8 sta_list_index;
+ struct ath6kl_req_key ap_mode_bkey;
+ struct sk_buff_head mcastpsq;
+ u32 want_ch_switch;
+ u16 last_ch;
+
+ /*
+ * FIXME: protects access to mcastpsq but is actually useless as
+ * all skbe_queue_*() functions provide serialisation themselves
+ */
+ spinlock_t mcastpsq_lock;
+
+ u8 intra_bss;
+ struct wmi_ap_mode_stat ap_stats;
+ u8 ap_country_code[3];
+ struct list_head amsdu_rx_buffer_queue;
+ u8 rx_meta_ver;
+ enum wlan_low_pwr_state wlan_pwr_state;
+ u8 mac_addr[ETH_ALEN];
+#define AR_MCAST_FILTER_MAC_ADDR_SIZE 4
+ struct {
+ void *rx_report;
+ size_t rx_report_len;
+ } tm;
+
+ struct ath6kl_hw {
+ u32 id;
+ const char *name;
+ u32 dataset_patch_addr;
+ u32 app_load_addr;
+ u32 app_start_override_addr;
+ u32 board_ext_data_addr;
+ u32 reserved_ram_size;
+ u32 board_addr;
+ u32 refclk_hz;
+ u32 uarttx_pin;
+ u32 testscript_addr;
+ enum wmi_phy_cap cap;
+
+ u32 flags;
+
+ struct ath6kl_hw_fw {
+ const char *dir;
+ const char *otp;
+ const char *fw;
+ const char *tcmd;
+ const char *patch;
+ const char *utf;
+ const char *testscript;
+ } fw;
+
+ const char *fw_board;
+ const char *fw_default_board;
+ } hw;
+
+ u16 conf_flags;
+ u16 suspend_mode;
+ u16 wow_suspend_mode;
+ wait_queue_head_t event_wq;
+ struct ath6kl_mbox_info mbox_info;
+
+ struct ath6kl_cookie cookie_mem[MAX_COOKIE_NUM];
+ unsigned long flag;
+
+ u8 *fw_board;
+ size_t fw_board_len;
+
+ u8 *fw_otp;
+ size_t fw_otp_len;
+
+ u8 *fw;
+ size_t fw_len;
+
+ u8 *fw_patch;
+ size_t fw_patch_len;
+
+ u8 *fw_testscript;
+ size_t fw_testscript_len;
+
+ unsigned int fw_api;
+ unsigned long fw_capabilities[ATH6KL_CAPABILITY_LEN];
+
+ struct workqueue_struct *ath6kl_wq;
+
+ struct dentry *debugfs_phy;
+
+ bool p2p;
+
+ bool wiphy_registered;
+
+ struct ath6kl_fw_recovery {
+ struct work_struct recovery_work;
+ unsigned long err_reason;
+ unsigned long hb_poll;
+ struct timer_list hb_timer;
+ u32 seq_num;
+ bool hb_pending;
+ u8 hb_misscnt;
+ bool enable;
+ } fw_recovery;
+
+#ifdef CONFIG_ATH6KL_DEBUG
+ struct {
+ struct sk_buff_head fwlog_queue;
+ struct completion fwlog_completion;
+ bool fwlog_open;
+
+ u32 fwlog_mask;
+
+ unsigned int dbgfs_diag_reg;
+ u32 diag_reg_addr_wr;
+ u32 diag_reg_val_wr;
+
+ struct {
+ unsigned int invalid_rate;
+ } war_stats;
+
+ u8 *roam_tbl;
+ unsigned int roam_tbl_len;
+
+ u8 keepalive;
+ u8 disc_timeout;
+ } debug;
+#endif /* CONFIG_ATH6KL_DEBUG */
+};
+
+static inline struct ath6kl *ath6kl_priv(struct net_device *dev)
+{
+ return ((struct ath6kl_vif *) netdev_priv(dev))->ar;
+}
+
+static inline u32 ath6kl_get_hi_item_addr(struct ath6kl *ar,
+ u32 item_offset)
+{
+ u32 addr = 0;
+
+ if (ar->target_type == TARGET_TYPE_AR6003)
+ addr = ATH6KL_AR6003_HI_START_ADDR + item_offset;
+ else if (ar->target_type == TARGET_TYPE_AR6004)
+ addr = ATH6KL_AR6004_HI_START_ADDR + item_offset;
+
+ return addr;
+}
+
+int ath6kl_configure_target(struct ath6kl *ar);
+void ath6kl_detect_error(unsigned long ptr);
+void disconnect_timer_handler(unsigned long ptr);
+void init_netdev(struct net_device *dev);
+void ath6kl_cookie_init(struct ath6kl *ar);
+void ath6kl_cookie_cleanup(struct ath6kl *ar);
+void ath6kl_rx(struct htc_target *target, struct htc_packet *packet);
+void ath6kl_tx_complete(struct htc_target *context,
+ struct list_head *packet_queue);
+enum htc_send_full_action ath6kl_tx_queue_full(struct htc_target *target,
+ struct htc_packet *packet);
+void ath6kl_stop_txrx(struct ath6kl *ar);
+void ath6kl_cleanup_amsdu_rxbufs(struct ath6kl *ar);
+int ath6kl_diag_write32(struct ath6kl *ar, u32 address, __le32 value);
+int ath6kl_diag_write(struct ath6kl *ar, u32 address, void *data, u32 length);
+int ath6kl_diag_read32(struct ath6kl *ar, u32 address, u32 *value);
+int ath6kl_diag_read(struct ath6kl *ar, u32 address, void *data, u32 length);
+int ath6kl_read_fwlogs(struct ath6kl *ar);
+void ath6kl_init_profile_info(struct ath6kl_vif *vif);
+void ath6kl_tx_data_cleanup(struct ath6kl *ar);
+
+struct ath6kl_cookie *ath6kl_alloc_cookie(struct ath6kl *ar);
+void ath6kl_free_cookie(struct ath6kl *ar, struct ath6kl_cookie *cookie);
+int ath6kl_data_tx(struct sk_buff *skb, struct net_device *dev);
+
+struct aggr_info *aggr_init(struct ath6kl_vif *vif);
+void aggr_conn_init(struct ath6kl_vif *vif, struct aggr_info *aggr_info,
+ struct aggr_info_conn *aggr_conn);
+void ath6kl_rx_refill(struct htc_target *target,
+ enum htc_endpoint_id endpoint);
+void ath6kl_refill_amsdu_rxbufs(struct ath6kl *ar, int count);
+struct htc_packet *ath6kl_alloc_amsdu_rxbuf(struct htc_target *target,
+ enum htc_endpoint_id endpoint,
+ int len);
+void aggr_module_destroy(struct aggr_info *aggr_info);
+void aggr_reset_state(struct aggr_info_conn *aggr_conn);
+
+struct ath6kl_sta *ath6kl_find_sta(struct ath6kl_vif *vif, u8 *node_addr);
+struct ath6kl_sta *ath6kl_find_sta_by_aid(struct ath6kl *ar, u8 aid);
+
+void ath6kl_ready_event(void *devt, u8 *datap, u32 sw_ver, u32 abi_ver,
+ enum wmi_phy_cap cap);
+int ath6kl_control_tx(void *devt, struct sk_buff *skb,
+ enum htc_endpoint_id eid);
+void ath6kl_connect_event(struct ath6kl_vif *vif, u16 channel,
+ u8 *bssid, u16 listen_int,
+ u16 beacon_int, enum network_type net_type,
+ u8 beacon_ie_len, u8 assoc_req_len,
+ u8 assoc_resp_len, u8 *assoc_info);
+void ath6kl_connect_ap_mode_bss(struct ath6kl_vif *vif, u16 channel);
+void ath6kl_connect_ap_mode_sta(struct ath6kl_vif *vif, u16 aid, u8 *mac_addr,
+ u8 keymgmt, u8 ucipher, u8 auth,
+ u8 assoc_req_len, u8 *assoc_info, u8 apsd_info);
+void ath6kl_disconnect_event(struct ath6kl_vif *vif, u8 reason,
+ u8 *bssid, u8 assoc_resp_len,
+ u8 *assoc_info, u16 prot_reason_status);
+void ath6kl_tkip_micerr_event(struct ath6kl_vif *vif, u8 keyid, bool ismcast);
+void ath6kl_txpwr_rx_evt(void *devt, u8 tx_pwr);
+void ath6kl_scan_complete_evt(struct ath6kl_vif *vif, int status);
+void ath6kl_tgt_stats_event(struct ath6kl_vif *vif, u8 *ptr, u32 len);
+void ath6kl_indicate_tx_activity(void *devt, u8 traffic_class, bool active);
+enum htc_endpoint_id ath6kl_ac2_endpoint_id(void *devt, u8 ac);
+
+void ath6kl_pspoll_event(struct ath6kl_vif *vif, u8 aid);
+
+void ath6kl_dtimexpiry_event(struct ath6kl_vif *vif);
+void ath6kl_disconnect(struct ath6kl_vif *vif);
+void aggr_recv_delba_req_evt(struct ath6kl_vif *vif, u8 tid);
+void aggr_recv_addba_req_evt(struct ath6kl_vif *vif, u8 tid, u16 seq_no,
+ u8 win_sz);
+void ath6kl_wakeup_event(void *dev);
+
+void ath6kl_init_control_info(struct ath6kl_vif *vif);
+struct ath6kl_vif *ath6kl_vif_first(struct ath6kl *ar);
+void ath6kl_cfg80211_vif_stop(struct ath6kl_vif *vif, bool wmi_ready);
+int ath6kl_init_hw_start(struct ath6kl *ar);
+int ath6kl_init_hw_stop(struct ath6kl *ar);
+int ath6kl_init_fetch_firmwares(struct ath6kl *ar);
+int ath6kl_init_hw_params(struct ath6kl *ar);
+
+void ath6kl_check_wow_status(struct ath6kl *ar);
+
+void ath6kl_core_tx_complete(struct ath6kl *ar, struct sk_buff *skb);
+void ath6kl_core_rx_complete(struct ath6kl *ar, struct sk_buff *skb, u8 pipe);
+
+struct ath6kl *ath6kl_core_create(struct device *dev);
+int ath6kl_core_init(struct ath6kl *ar, enum ath6kl_htc_type htc_type);
+void ath6kl_core_cleanup(struct ath6kl *ar);
+void ath6kl_core_destroy(struct ath6kl *ar);
+
+/* Fw error recovery */
+void ath6kl_init_hw_restart(struct ath6kl *ar);
+void ath6kl_recovery_err_notify(struct ath6kl *ar, enum ath6kl_fw_err reason);
+void ath6kl_recovery_hb_event(struct ath6kl *ar, u32 cookie);
+void ath6kl_recovery_init(struct ath6kl *ar);
+void ath6kl_recovery_cleanup(struct ath6kl *ar);
+void ath6kl_recovery_suspend(struct ath6kl *ar);
+void ath6kl_recovery_resume(struct ath6kl *ar);
+#endif /* CORE_H */
Code Review / kvmfornfv.git / blobdiff