| /* |
| * This file is part of wl1271 |
| * |
| * Copyright (C) 1998-2009 Texas Instruments. All rights reserved. |
| * Copyright (C) 2008-2009 Nokia Corporation |
| * |
| * Contact: Luciano Coelho <luciano.coelho@nokia.com> |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License |
| * version 2 as published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, but |
| * WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA |
| * 02110-1301 USA |
| * |
| */ |
| |
| #ifndef __WLCORE_I_H__ |
| #define __WLCORE_I_H__ |
| |
| #include <linux/mutex.h> |
| #include <linux/completion.h> |
| #include <linux/spinlock.h> |
| #include <linux/list.h> |
| #include <linux/bitops.h> |
| #include <net/mac80211.h> |
| |
| #include "conf.h" |
| #include "ini.h" |
| |
| /* |
| * wl127x and wl128x are using the same NVS file name. However, the |
| * ini parameters between them are different. The driver validates |
| * the correct NVS size in wl1271_boot_upload_nvs(). |
| */ |
| #define WL12XX_NVS_NAME "ti-connectivity/wl1271-nvs.bin" |
| |
| #define WL1271_TX_SECURITY_LO16(s) ((u16)((s) & 0xffff)) |
| #define WL1271_TX_SECURITY_HI32(s) ((u32)(((s) >> 16) & 0xffffffff)) |
| #define WL1271_TX_SQN_POST_RECOVERY_PADDING 0xff |
| /* Use smaller padding for GEM, as some APs have issues when it's too big */ |
| #define WL1271_TX_SQN_POST_RECOVERY_PADDING_GEM 0x20 |
| |
| |
| #define WL1271_CIPHER_SUITE_GEM 0x00147201 |
| |
| #define WL1271_BUSY_WORD_CNT 1 |
| #define WL1271_BUSY_WORD_LEN (WL1271_BUSY_WORD_CNT * sizeof(u32)) |
| |
| #define WL1271_ELP_HW_STATE_ASLEEP 0 |
| #define WL1271_ELP_HW_STATE_IRQ 1 |
| |
| #define WL1271_DEFAULT_BEACON_INT 100 |
| #define WL1271_DEFAULT_DTIM_PERIOD 1 |
| |
| #define WL12XX_MAX_ROLES 4 |
| #define WL12XX_INVALID_ROLE_ID 0xff |
| #define WL12XX_INVALID_LINK_ID 0xff |
| |
| /* |
| * max number of links allowed by all HWs. |
| * this is NOT the actual max links supported by the current hw. |
| */ |
| #define WLCORE_MAX_LINKS 16 |
| |
| /* the driver supports the 2.4Ghz and 5Ghz bands */ |
| #define WLCORE_NUM_BANDS 2 |
| |
| #define WL12XX_MAX_RATE_POLICIES 16 |
| #define WLCORE_MAX_KLV_TEMPLATES 4 |
| |
| /* Defined by FW as 0. Will not be freed or allocated. */ |
| #define WL12XX_SYSTEM_HLID 0 |
| |
| /* |
| * When in AP-mode, we allow (at least) this number of packets |
| * to be transmitted to FW for a STA in PS-mode. Only when packets are |
| * present in the FW buffers it will wake the sleeping STA. We want to put |
| * enough packets for the driver to transmit all of its buffered data before |
| * the STA goes to sleep again. But we don't want to take too much memory |
| * as it might hurt the throughput of active STAs. |
| */ |
| #define WL1271_PS_STA_MAX_PACKETS 2 |
| |
| #define WL1271_AP_BSS_INDEX 0 |
| #define WL1271_AP_DEF_BEACON_EXP 20 |
| |
| enum wlcore_state { |
| WLCORE_STATE_OFF, |
| WLCORE_STATE_RESTARTING, |
| WLCORE_STATE_ON, |
| }; |
| |
| enum wl12xx_fw_type { |
| WL12XX_FW_TYPE_NONE, |
| WL12XX_FW_TYPE_NORMAL, |
| WL12XX_FW_TYPE_MULTI, |
| WL12XX_FW_TYPE_PLT, |
| }; |
| |
| struct wl1271; |
| |
| enum { |
| FW_VER_CHIP, |
| FW_VER_IF_TYPE, |
| FW_VER_MAJOR, |
| FW_VER_SUBTYPE, |
| FW_VER_MINOR, |
| |
| NUM_FW_VER |
| }; |
| |
| struct wl1271_chip { |
| u32 id; |
| char fw_ver_str[ETHTOOL_FWVERS_LEN]; |
| unsigned int fw_ver[NUM_FW_VER]; |
| char phy_fw_ver_str[ETHTOOL_FWVERS_LEN]; |
| }; |
| |
| #define NUM_TX_QUEUES 4 |
| |
| struct wl_fw_status { |
| u32 intr; |
| u8 fw_rx_counter; |
| u8 drv_rx_counter; |
| u8 tx_results_counter; |
| __le32 *rx_pkt_descs; |
| |
| u32 fw_localtime; |
| |
| /* |
| * A bitmap (where each bit represents a single HLID) |
| * to indicate if the station is in PS mode. |
| */ |
| u32 link_ps_bitmap; |
| |
| /* |
| * A bitmap (where each bit represents a single HLID) to indicate |
| * if the station is in Fast mode |
| */ |
| u32 link_fast_bitmap; |
| |
| /* Cumulative counter of total released mem blocks since FW-reset */ |
| u32 total_released_blks; |
| |
| /* Size (in Memory Blocks) of TX pool */ |
| u32 tx_total; |
| |
| struct { |
| /* |
| * Cumulative counter of released packets per AC |
| * (length of the array is NUM_TX_QUEUES) |
| */ |
| u8 *tx_released_pkts; |
| |
| /* |
| * Cumulative counter of freed packets per HLID |
| * (length of the array is wl->num_links) |
| */ |
| u8 *tx_lnk_free_pkts; |
| |
| /* Cumulative counter of released Voice memory blocks */ |
| u8 tx_voice_released_blks; |
| |
| /* Tx rate of the last transmitted packet */ |
| u8 tx_last_rate; |
| } counters; |
| |
| u32 log_start_addr; |
| |
| /* Private status to be used by the lower drivers */ |
| void *priv; |
| }; |
| |
| #define WL1271_MAX_CHANNELS 64 |
| struct wl1271_scan { |
| struct cfg80211_scan_request *req; |
| unsigned long scanned_ch[BITS_TO_LONGS(WL1271_MAX_CHANNELS)]; |
| bool failed; |
| u8 state; |
| u8 ssid[IEEE80211_MAX_SSID_LEN+1]; |
| size_t ssid_len; |
| }; |
| |
| struct wl1271_if_operations { |
| int __must_check (*read)(struct device *child, int addr, void *buf, |
| size_t len, bool fixed); |
| int __must_check (*write)(struct device *child, int addr, void *buf, |
| size_t len, bool fixed); |
| void (*reset)(struct device *child); |
| void (*init)(struct device *child); |
| int (*power)(struct device *child, bool enable); |
| void (*set_block_size) (struct device *child, unsigned int blksz); |
| }; |
| |
| struct wlcore_platdev_data { |
| struct wl1271_if_operations *if_ops; |
| |
| bool ref_clock_xtal; /* specify whether the clock is XTAL or not */ |
| u32 ref_clock_freq; /* in Hertz */ |
| u32 tcxo_clock_freq; /* in Hertz, tcxo is always XTAL */ |
| bool pwr_in_suspend; |
| }; |
| |
| #define MAX_NUM_KEYS 14 |
| #define MAX_KEY_SIZE 32 |
| |
| struct wl1271_ap_key { |
| u8 id; |
| u8 key_type; |
| u8 key_size; |
| u8 key[MAX_KEY_SIZE]; |
| u8 hlid; |
| u32 tx_seq_32; |
| u16 tx_seq_16; |
| }; |
| |
| enum wl12xx_flags { |
| WL1271_FLAG_GPIO_POWER, |
| WL1271_FLAG_TX_QUEUE_STOPPED, |
| WL1271_FLAG_TX_PENDING, |
| WL1271_FLAG_IN_ELP, |
| WL1271_FLAG_ELP_REQUESTED, |
| WL1271_FLAG_IRQ_RUNNING, |
| WL1271_FLAG_FW_TX_BUSY, |
| WL1271_FLAG_DUMMY_PACKET_PENDING, |
| WL1271_FLAG_SUSPENDED, |
| WL1271_FLAG_PENDING_WORK, |
| WL1271_FLAG_SOFT_GEMINI, |
| WL1271_FLAG_RECOVERY_IN_PROGRESS, |
| WL1271_FLAG_VIF_CHANGE_IN_PROGRESS, |
| WL1271_FLAG_INTENDED_FW_RECOVERY, |
| WL1271_FLAG_IO_FAILED, |
| WL1271_FLAG_REINIT_TX_WDOG, |
| }; |
| |
| enum wl12xx_vif_flags { |
| WLVIF_FLAG_INITIALIZED, |
| WLVIF_FLAG_STA_ASSOCIATED, |
| WLVIF_FLAG_STA_AUTHORIZED, |
| WLVIF_FLAG_IBSS_JOINED, |
| WLVIF_FLAG_AP_STARTED, |
| WLVIF_FLAG_IN_PS, |
| WLVIF_FLAG_STA_STATE_SENT, |
| WLVIF_FLAG_RX_STREAMING_STARTED, |
| WLVIF_FLAG_PSPOLL_FAILURE, |
| WLVIF_FLAG_CS_PROGRESS, |
| WLVIF_FLAG_AP_PROBE_RESP_SET, |
| WLVIF_FLAG_IN_USE, |
| WLVIF_FLAG_ACTIVE, |
| WLVIF_FLAG_BEACON_DISABLED, |
| }; |
| |
| struct wl12xx_vif; |
| |
| struct wl1271_link { |
| /* AP-mode - TX queue per AC in link */ |
| struct sk_buff_head tx_queue[NUM_TX_QUEUES]; |
| |
| /* accounting for allocated / freed packets in FW */ |
| u8 allocated_pkts; |
| u8 prev_freed_pkts; |
| |
| u8 addr[ETH_ALEN]; |
| |
| /* bitmap of TIDs where RX BA sessions are active for this link */ |
| u8 ba_bitmap; |
| |
| /* The wlvif this link belongs to. Might be null for global links */ |
| struct wl12xx_vif *wlvif; |
| |
| /* |
| * total freed FW packets on the link - used for tracking the |
| * AES/TKIP PN across recoveries. Re-initialized each time |
| * from the wl1271_station structure. |
| */ |
| u64 total_freed_pkts; |
| }; |
| |
| #define WL1271_MAX_RX_FILTERS 5 |
| #define WL1271_RX_FILTER_MAX_FIELDS 8 |
| |
| #define WL1271_RX_FILTER_ETH_HEADER_SIZE 14 |
| #define WL1271_RX_FILTER_MAX_FIELDS_SIZE 95 |
| #define RX_FILTER_FIELD_OVERHEAD \ |
| (sizeof(struct wl12xx_rx_filter_field) - sizeof(u8 *)) |
| #define WL1271_RX_FILTER_MAX_PATTERN_SIZE \ |
| (WL1271_RX_FILTER_MAX_FIELDS_SIZE - RX_FILTER_FIELD_OVERHEAD) |
| |
| #define WL1271_RX_FILTER_FLAG_MASK BIT(0) |
| #define WL1271_RX_FILTER_FLAG_IP_HEADER 0 |
| #define WL1271_RX_FILTER_FLAG_ETHERNET_HEADER BIT(1) |
| |
| enum rx_filter_action { |
| FILTER_DROP = 0, |
| FILTER_SIGNAL = 1, |
| FILTER_FW_HANDLE = 2 |
| }; |
| |
| enum plt_mode { |
| PLT_OFF = 0, |
| PLT_ON = 1, |
| PLT_FEM_DETECT = 2, |
| PLT_CHIP_AWAKE = 3 |
| }; |
| |
| struct wl12xx_rx_filter_field { |
| __le16 offset; |
| u8 len; |
| u8 flags; |
| u8 *pattern; |
| } __packed; |
| |
| struct wl12xx_rx_filter { |
| u8 action; |
| int num_fields; |
| struct wl12xx_rx_filter_field fields[WL1271_RX_FILTER_MAX_FIELDS]; |
| }; |
| |
| struct wl1271_station { |
| u8 hlid; |
| bool in_connection; |
| |
| /* |
| * total freed FW packets on the link to the STA - used for tracking the |
| * AES/TKIP PN across recoveries. Re-initialized each time from the |
| * wl1271_station structure. |
| * Used in both AP and STA mode. |
| */ |
| u64 total_freed_pkts; |
| }; |
| |
| struct wl12xx_vif { |
| struct wl1271 *wl; |
| struct list_head list; |
| unsigned long flags; |
| u8 bss_type; |
| u8 p2p; /* we are using p2p role */ |
| u8 role_id; |
| |
| /* sta/ibss specific */ |
| u8 dev_role_id; |
| u8 dev_hlid; |
| |
| union { |
| struct { |
| u8 hlid; |
| |
| u8 basic_rate_idx; |
| u8 ap_rate_idx; |
| u8 p2p_rate_idx; |
| |
| u8 klv_template_id; |
| |
| bool qos; |
| /* channel type we started the STA role with */ |
| enum nl80211_channel_type role_chan_type; |
| } sta; |
| struct { |
| u8 global_hlid; |
| u8 bcast_hlid; |
| |
| /* HLIDs bitmap of associated stations */ |
| unsigned long sta_hlid_map[BITS_TO_LONGS( |
| WLCORE_MAX_LINKS)]; |
| |
| /* recoreded keys - set here before AP startup */ |
| struct wl1271_ap_key *recorded_keys[MAX_NUM_KEYS]; |
| |
| u8 mgmt_rate_idx; |
| u8 bcast_rate_idx; |
| u8 ucast_rate_idx[CONF_TX_MAX_AC_COUNT]; |
| } ap; |
| }; |
| |
| /* the hlid of the last transmitted skb */ |
| int last_tx_hlid; |
| |
| /* counters of packets per AC, across all links in the vif */ |
| int tx_queue_count[NUM_TX_QUEUES]; |
| |
| unsigned long links_map[BITS_TO_LONGS(WLCORE_MAX_LINKS)]; |
| |
| u8 ssid[IEEE80211_MAX_SSID_LEN + 1]; |
| u8 ssid_len; |
| |
| /* The current band */ |
| enum ieee80211_band band; |
| int channel; |
| enum nl80211_channel_type channel_type; |
| |
| u32 bitrate_masks[WLCORE_NUM_BANDS]; |
| u32 basic_rate_set; |
| |
| /* |
| * currently configured rate set: |
| * bits 0-15 - 802.11abg rates |
| * bits 16-23 - 802.11n MCS index mask |
| * support only 1 stream, thus only 8 bits for the MCS rates (0-7). |
| */ |
| u32 basic_rate; |
| u32 rate_set; |
| |
| /* probe-req template for the current AP */ |
| struct sk_buff *probereq; |
| |
| /* Beaconing interval (needed for ad-hoc) */ |
| u32 beacon_int; |
| |
| /* Default key (for WEP) */ |
| u32 default_key; |
| |
| /* Our association ID */ |
| u16 aid; |
| |
| /* retry counter for PSM entries */ |
| u8 psm_entry_retry; |
| |
| /* in dBm */ |
| int power_level; |
| |
| int rssi_thold; |
| int last_rssi_event; |
| |
| /* save the current encryption type for auto-arp config */ |
| u8 encryption_type; |
| __be32 ip_addr; |
| |
| /* RX BA constraint value */ |
| bool ba_support; |
| bool ba_allowed; |
| |
| bool wmm_enabled; |
| |
| bool radar_enabled; |
| |
| /* Rx Streaming */ |
| struct work_struct rx_streaming_enable_work; |
| struct work_struct rx_streaming_disable_work; |
| struct timer_list rx_streaming_timer; |
| |
| struct delayed_work channel_switch_work; |
| struct delayed_work connection_loss_work; |
| |
| /* number of in connection stations */ |
| int inconn_count; |
| |
| /* |
| * This vif's queues are mapped to mac80211 HW queues as: |
| * VO - hw_queue_base |
| * VI - hw_queue_base + 1 |
| * BE - hw_queue_base + 2 |
| * BK - hw_queue_base + 3 |
| */ |
| int hw_queue_base; |
| |
| /* do we have a pending auth reply? (and ROC) */ |
| bool ap_pending_auth_reply; |
| |
| /* time when we sent the pending auth reply */ |
| unsigned long pending_auth_reply_time; |
| |
| /* work for canceling ROC after pending auth reply */ |
| struct delayed_work pending_auth_complete_work; |
| |
| /* update rate conrol */ |
| enum ieee80211_sta_rx_bandwidth rc_update_bw; |
| struct work_struct rc_update_work; |
| |
| /* |
| * total freed FW packets on the link. |
| * For STA this holds the PN of the link to the AP. |
| * For AP this holds the PN of the broadcast link. |
| */ |
| u64 total_freed_pkts; |
| |
| /* |
| * This struct must be last! |
| * data that has to be saved acrossed reconfigs (e.g. recovery) |
| * should be declared in this struct. |
| */ |
| struct { |
| u8 persistent[0]; |
| }; |
| }; |
| |
| static inline struct wl12xx_vif *wl12xx_vif_to_data(struct ieee80211_vif *vif) |
| { |
| WARN_ON(!vif); |
| return (struct wl12xx_vif *)vif->drv_priv; |
| } |
| |
| static inline |
| struct ieee80211_vif *wl12xx_wlvif_to_vif(struct wl12xx_vif *wlvif) |
| { |
| return container_of((void *)wlvif, struct ieee80211_vif, drv_priv); |
| } |
| |
| static inline bool wlcore_is_p2p_mgmt(struct wl12xx_vif *wlvif) |
| { |
| return wl12xx_wlvif_to_vif(wlvif)->type == NL80211_IFTYPE_P2P_DEVICE; |
| } |
| |
| #define wl12xx_for_each_wlvif(wl, wlvif) \ |
| list_for_each_entry(wlvif, &wl->wlvif_list, list) |
| |
| #define wl12xx_for_each_wlvif_continue(wl, wlvif) \ |
| list_for_each_entry_continue(wlvif, &wl->wlvif_list, list) |
| |
| #define wl12xx_for_each_wlvif_bss_type(wl, wlvif, _bss_type) \ |
| wl12xx_for_each_wlvif(wl, wlvif) \ |
| if (wlvif->bss_type == _bss_type) |
| |
| #define wl12xx_for_each_wlvif_sta(wl, wlvif) \ |
| wl12xx_for_each_wlvif_bss_type(wl, wlvif, BSS_TYPE_STA_BSS) |
| |
| #define wl12xx_for_each_wlvif_ap(wl, wlvif) \ |
| wl12xx_for_each_wlvif_bss_type(wl, wlvif, BSS_TYPE_AP_BSS) |
| |
| int wl1271_plt_start(struct wl1271 *wl, const enum plt_mode plt_mode); |
| int wl1271_plt_stop(struct wl1271 *wl); |
| int wl1271_recalc_rx_streaming(struct wl1271 *wl, struct wl12xx_vif *wlvif); |
| void wl12xx_queue_recovery_work(struct wl1271 *wl); |
| size_t wl12xx_copy_fwlog(struct wl1271 *wl, u8 *memblock, size_t maxlen); |
| int wl1271_rx_filter_alloc_field(struct wl12xx_rx_filter *filter, |
| u16 offset, u8 flags, |
| const u8 *pattern, u8 len); |
| void wl1271_rx_filter_free(struct wl12xx_rx_filter *filter); |
| struct wl12xx_rx_filter *wl1271_rx_filter_alloc(void); |
| int wl1271_rx_filter_get_fields_size(struct wl12xx_rx_filter *filter); |
| void wl1271_rx_filter_flatten_fields(struct wl12xx_rx_filter *filter, |
| u8 *buf); |
| |
| #define JOIN_TIMEOUT 5000 /* 5000 milliseconds to join */ |
| |
| #define SESSION_COUNTER_MAX 6 /* maximum value for the session counter */ |
| #define SESSION_COUNTER_INVALID 7 /* used with dummy_packet */ |
| |
| #define WL1271_DEFAULT_POWER_LEVEL 0 |
| |
| #define WL1271_TX_QUEUE_LOW_WATERMARK 32 |
| #define WL1271_TX_QUEUE_HIGH_WATERMARK 256 |
| |
| #define WL1271_DEFERRED_QUEUE_LIMIT 64 |
| |
| /* WL1271 needs a 200ms sleep after power on, and a 20ms sleep before power |
| on in case is has been shut down shortly before */ |
| #define WL1271_PRE_POWER_ON_SLEEP 20 /* in milliseconds */ |
| #define WL1271_POWER_ON_SLEEP 200 /* in milliseconds */ |
| |
| /* Macros to handle wl1271.sta_rate_set */ |
| #define HW_BG_RATES_MASK 0xffff |
| #define HW_HT_RATES_OFFSET 16 |
| #define HW_MIMO_RATES_OFFSET 24 |
| |
| #endif /* __WLCORE_I_H__ */ |