diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath6kl/core.h')
| -rw-r--r-- | drivers/net/wireless/ath/ath6kl/core.h | 544 |
1 files changed, 544 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath6kl/core.h b/drivers/net/wireless/ath/ath6kl/core.h new file mode 100644 index 000000000000..74170229523f --- /dev/null +++ b/drivers/net/wireless/ath/ath6kl/core.h @@ -0,0 +1,544 @@ +/* + * Copyright (c) 2010-2011 Atheros Communications 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 <net/cfg80211.h> +#include "htc.h" +#include "wmi.h" +#include "bmi.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 + +/* 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 */ +#define A_DEFAULT_LISTEN_INTERVAL 100 +#define A_MAX_WOW_LISTEN_INTERVAL 1000 + +/* AR6003 1.0 definitions */ +#define AR6003_REV1_VERSION 0x300002ba + +/* AR6003 2.0 definitions */ +#define AR6003_REV2_VERSION 0x30000384 +#define AR6003_REV2_PATCH_DOWNLOAD_ADDRESS 0x57e910 +#define AR6003_REV2_OTP_FILE "ath6k/AR6003/hw2.0/otp.bin.z77" +#define AR6003_REV2_FIRMWARE_FILE "ath6k/AR6003/hw2.0/athwlan.bin.z77" +#define AR6003_REV2_PATCH_FILE "ath6k/AR6003/hw2.0/data.patch.bin" +#define AR6003_REV2_BOARD_DATA_FILE "ath6k/AR6003/hw2.0/bdata.bin" +#define AR6003_REV2_DEFAULT_BOARD_DATA_FILE "ath6k/AR6003/hw2.0/bdata.SD31.bin" + +/* AR6003 3.0 definitions */ +#define AR6003_REV3_VERSION 0x30000582 +#define AR6003_REV3_OTP_FILE "ath6k/AR6003/hw2.1.1/otp.bin" +#define AR6003_REV3_FIRMWARE_FILE "ath6k/AR6003/hw2.1.1/athwlan.bin" +#define AR6003_REV3_PATCH_FILE "ath6k/AR6003/hw2.1.1/data.patch.bin" +#define AR6003_REV3_BOARD_DATA_FILE "ath6k/AR6003/hw2.1.1/bdata.bin" +#define AR6003_REV3_DEFAULT_BOARD_DATA_FILE \ + "ath6k/AR6003/hw2.1.1/bdata.SD31.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) + +/* 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 400 /* in ms */ + +#define WMI_TIMEOUT (2 * HZ) + +#define MBOX_YIELD_LIMIT 99 + +/* 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) + +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 progress; + bool timer_mon; + u16 win_sz; + u16 seq_next; + u32 hold_q_sz; + struct skb_hold_q *hold_q; + struct sk_buff_head q; + 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 { + u8 aggr_sz; + u8 timer_scheduled; + struct timer_list timer; + struct net_device *dev; + struct rxtid rx_tid[NUM_OF_TIDS]; + struct sk_buff_head free_q; + struct rxtid_stats stat[NUM_OF_TIDS]; +}; + +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_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; + spinlock_t psq_lock; +}; + +struct ath6kl_version { + u32 target_ver; + u32 wlan_ver; + u32 abi_ver; +}; + +struct ath6kl_bmi { + u32 cmd_credits; + bool done_sent; + u8 *cmd_buf; +}; + +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 */ + +/* + * WPA/RSN get/set key request. Specify the key/cipher + * type and whether the key is to be used for sending and/or + * receiving. The key index should be set only when working + * with global keys (use IEEE80211_KEYIX_NONE for ``no index''). + * Otherwise a unicast/pairwise key is specified by the bssid + * (on a station) or mac address (on an ap). They key length + * must include any MIC key data; otherwise it should be no + * more than ATH6KL_KEYBUF_SIZE. + */ +struct ath6kl_req_key { + u8 ik_type; /* key/cipher type */ + u8 ik_pad; + u16 ik_keyix; /* key index */ + u8 ik_keylen; /* key length in bytes */ + u8 ik_flags; + u8 ik_macaddr[ETH_ALEN]; + u64 ik_keyrsc; /* key receive sequence counter */ + u64 ik_keytsc; /* key transmit sequence counter */ + u8 ik_keydata[ATH6KL_KEYBUF_SIZE + ATH6KL_MICBUF_SIZE]; +}; + +/* Flag info */ +#define WMI_ENABLED 0 +#define WMI_READY 1 +#define CONNECTED 2 +#define STATS_UPDATE_PEND 3 +#define CONNECT_PEND 4 +#define WMM_ENABLED 5 +#define NETQ_STOPPED 6 +#define WMI_CTRL_EP_FULL 7 +#define DTIM_EXPIRED 8 +#define DESTROY_IN_PROGRESS 9 +#define NETDEV_REGISTERED 10 +#define SKIP_SCAN 11 +#define WLAN_ENABLED 12 + +struct ath6kl { + struct device *dev; + struct net_device *net_dev; + struct ath6kl_bmi bmi; + const struct ath6kl_hif_ops *hif_ops; + struct wmi *wmi; + int tx_pending[ENDPOINT_MAX]; + int total_tx_data_pend; + struct htc_target *htc_target; + void *hif_priv; + spinlock_t lock; + struct semaphore sem; + int ssid_len; + u8 ssid[IEEE80211_MAX_SSID_LEN]; + u8 next_mode; + u8 nw_type; + u8 dot11_auth_mode; + u8 auth_mode; + u8 prwise_crypto; + u8 prwise_crypto_len; + u8 grp_crypto; + u8 grp_crpto_len; + u8 def_txkey_index; + struct ath6kl_wep_key wep_key_list[WMI_MAX_KEY_INDEX + 1]; + u8 bssid[ETH_ALEN]; + u8 req_bssid[ETH_ALEN]; + u16 ch_hint; + u16 bss_ch; + u16 listen_intvl_b; + u16 listen_intvl_t; + struct ath6kl_version version; + u32 target_type; + u8 tx_pwr; + struct net_device_stats net_stats; + struct target_stats target_stats; + struct ath6kl_node_mapping node_map[MAX_NODE_NUM]; + u8 ibss_ps_enable; + 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 htc_credit_state_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; + spinlock_t mcastpsq_lock; + u8 intra_bss; + struct aggr_info *aggr_cntxt; + struct wmi_ap_mode_stat ap_stats; + u8 ap_country_code[3]; + struct list_head amsdu_rx_buffer_queue; + struct timer_list disconnect_timer; + u8 rx_meta_ver; + struct wireless_dev *wdev; + struct cfg80211_scan_request *scan_req; + struct ath6kl_key keys[WMI_MAX_KEY_INDEX + 1]; + enum sme_state sme_state; + enum wlan_low_pwr_state wlan_pwr_state; + struct wmi_scan_params_cmd sc_params; +#define AR_MCAST_FILTER_MAC_ADDR_SIZE 4 + u8 auto_auth_stage; + + u16 conf_flags; + wait_queue_head_t event_wq; + struct ath6kl_mbox_info mbox_info; + + struct ath6kl_cookie cookie_mem[MAX_COOKIE_NUM]; + int reconnect_flag; + 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; + + struct workqueue_struct *ath6kl_wq; + + struct ath6kl_node_table scan_table; +}; + +static inline void *ath6kl_priv(struct net_device *dev) +{ + return wdev_priv(dev->ieee80211_ptr); +} + +static inline void ath6kl_deposit_credit_to_ep(struct htc_credit_state_info + *cred_info, + struct htc_endpoint_credit_dist + *ep_dist, int credits) +{ + ep_dist->credits += credits; + ep_dist->cred_assngd += credits; + cred_info->cur_free_credits -= credits; +} + +void ath6kl_destroy(struct net_device *dev, unsigned int unregister); +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(void *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_access_datadiag(struct ath6kl *ar, u32 address, + u8 *data, u32 length, bool read); +int ath6kl_read_reg_diag(struct ath6kl *ar, u32 *address, u32 *data); +void ath6kl_init_profile_info(struct ath6kl *ar); +void ath6kl_tx_data_cleanup(struct ath6kl *ar); +void ath6kl_stop_endpoint(struct net_device *dev, bool keep_profile, + bool get_dbglogs); + +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 net_device *dev); +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 *aggr_info); + +struct ath6kl_sta *ath6kl_find_sta(struct ath6kl *ar, 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); +int ath6kl_control_tx(void *devt, struct sk_buff *skb, + enum htc_endpoint_id eid); +void ath6kl_connect_event(struct ath6kl *ar, 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_disconnect_event(struct ath6kl *ar, u8 reason, + u8 *bssid, u8 assoc_resp_len, + u8 *assoc_info, u16 prot_reason_status); +void ath6kl_tkip_micerr_event(struct ath6kl *ar, u8 keyid, bool ismcast); +void ath6kl_txpwr_rx_evt(void *devt, u8 tx_pwr); +void ath6kl_scan_complete_evt(struct ath6kl *ar, int status); +void ath6kl_tgt_stats_event(struct ath6kl *ar, 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 *ar, u8 aid); + +void ath6kl_dtimexpiry_event(struct ath6kl *ar); +void ath6kl_disconnect(struct ath6kl *ar); +void aggr_recv_delba_req_evt(struct ath6kl *ar, u8 tid); +void aggr_recv_addba_req_evt(struct ath6kl *ar, u8 tid, u16 seq_no, + u8 win_sz); +void ath6kl_wakeup_event(void *dev); +void ath6kl_target_failure(struct ath6kl *ar); + +void ath6kl_cfg80211_scan_node(struct wiphy *wiphy, struct bss *ni); +#endif /* CORE_H */ |