415 lines
9.8 KiB
C
415 lines
9.8 KiB
C
/*
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* Copyright (c) 2014 Redpine Signals Inc.
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef __RSI_MAIN_H__
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#define __RSI_MAIN_H__
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#include <linux/string.h>
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#include <linux/skbuff.h>
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#include <net/mac80211.h>
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#include <net/rsi_91x.h>
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struct rsi_sta {
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struct ieee80211_sta *sta;
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s16 sta_id;
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u16 seq_start[IEEE80211_NUM_TIDS];
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bool start_tx_aggr[IEEE80211_NUM_TIDS];
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};
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struct rsi_hw;
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#include "rsi_ps.h"
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#define ERR_ZONE BIT(0) /* For Error Msgs */
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#define INFO_ZONE BIT(1) /* For General Status Msgs */
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#define INIT_ZONE BIT(2) /* For Driver Init Seq Msgs */
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#define MGMT_TX_ZONE BIT(3) /* For TX Mgmt Path Msgs */
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#define MGMT_RX_ZONE BIT(4) /* For RX Mgmt Path Msgs */
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#define DATA_TX_ZONE BIT(5) /* For TX Data Path Msgs */
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#define DATA_RX_ZONE BIT(6) /* For RX Data Path Msgs */
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#define FSM_ZONE BIT(7) /* For State Machine Msgs */
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#define ISR_ZONE BIT(8) /* For Interrupt Msgs */
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enum RSI_FSM_STATES {
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FSM_FW_NOT_LOADED,
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FSM_CARD_NOT_READY,
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FSM_COMMON_DEV_PARAMS_SENT,
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FSM_BOOT_PARAMS_SENT,
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FSM_EEPROM_READ_MAC_ADDR,
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FSM_EEPROM_READ_RF_TYPE,
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FSM_RESET_MAC_SENT,
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FSM_RADIO_CAPS_SENT,
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FSM_BB_RF_PROG_SENT,
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FSM_MAC_INIT_DONE,
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NUM_FSM_STATES
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};
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extern u32 rsi_zone_enabled;
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extern __printf(2, 3) void rsi_dbg(u32 zone, const char *fmt, ...);
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#define RSI_MAX_BANDS 2
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#define RSI_MAX_VIFS 3
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#define NUM_EDCA_QUEUES 4
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#define IEEE80211_ADDR_LEN 6
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#define FRAME_DESC_SZ 16
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#define MIN_802_11_HDR_LEN 24
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#define RSI_DEF_KEEPALIVE 90
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#define RSI_WOW_KEEPALIVE 5
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#define RSI_BCN_MISS_THRESHOLD 24
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#define DATA_QUEUE_WATER_MARK 400
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#define MIN_DATA_QUEUE_WATER_MARK 300
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#define MULTICAST_WATER_MARK 200
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#define MAC_80211_HDR_FRAME_CONTROL 0
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#define WME_NUM_AC 4
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#define NUM_SOFT_QUEUES 6
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#define MAX_HW_QUEUES 12
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#define INVALID_QUEUE 0xff
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#define MAX_CONTINUOUS_VO_PKTS 8
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#define MAX_CONTINUOUS_VI_PKTS 4
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/* Hardware queue info */
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#define BROADCAST_HW_Q 9
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#define MGMT_HW_Q 10
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#define BEACON_HW_Q 11
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#define IEEE80211_MGMT_FRAME 0x00
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#define IEEE80211_CTL_FRAME 0x04
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#define RSI_MAX_ASSOC_STAS 32
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#define IEEE80211_QOS_TID 0x0f
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#define IEEE80211_NONQOS_TID 16
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#define MAX_DEBUGFS_ENTRIES 4
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#define TID_TO_WME_AC(_tid) ( \
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((_tid) == 0 || (_tid) == 3) ? BE_Q : \
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((_tid) < 3) ? BK_Q : \
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((_tid) < 6) ? VI_Q : \
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VO_Q)
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#define WME_AC(_q) ( \
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((_q) == BK_Q) ? IEEE80211_AC_BK : \
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((_q) == BE_Q) ? IEEE80211_AC_BE : \
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((_q) == VI_Q) ? IEEE80211_AC_VI : \
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IEEE80211_AC_VO)
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/* WoWLAN flags */
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#define RSI_WOW_ENABLED BIT(0)
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#define RSI_WOW_NO_CONNECTION BIT(1)
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#define RSI_MAX_RX_PKTS 64
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enum rsi_dev_model {
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RSI_DEV_9113 = 0,
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RSI_DEV_9116
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};
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struct version_info {
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u16 major;
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u16 minor;
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u8 release_num;
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u8 patch_num;
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union {
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struct {
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u8 fw_ver[8];
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} info;
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} ver;
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} __packed;
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struct skb_info {
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s8 rssi;
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u32 flags;
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u16 channel;
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s8 tid;
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s8 sta_id;
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u8 internal_hdr_size;
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struct ieee80211_vif *vif;
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u8 vap_id;
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bool have_key;
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};
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enum edca_queue {
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BK_Q,
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BE_Q,
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VI_Q,
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VO_Q,
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MGMT_SOFT_Q,
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MGMT_BEACON_Q
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};
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struct security_info {
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u32 ptk_cipher;
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u32 gtk_cipher;
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};
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struct wmm_qinfo {
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s32 weight;
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s32 wme_params;
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s32 pkt_contended;
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s32 txop;
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};
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struct transmit_q_stats {
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u32 total_tx_pkt_send[NUM_EDCA_QUEUES + 2];
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u32 total_tx_pkt_freed[NUM_EDCA_QUEUES + 2];
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};
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#define MAX_BGSCAN_CHANNELS_DUAL_BAND 38
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#define MAX_BGSCAN_PROBE_REQ_LEN 0x64
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#define RSI_DEF_BGSCAN_THRLD 0x0
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#define RSI_DEF_ROAM_THRLD 0xa
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#define RSI_BGSCAN_PERIODICITY 0x1e
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#define RSI_ACTIVE_SCAN_TIME 0x14
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#define RSI_PASSIVE_SCAN_TIME 0x46
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#define RSI_CHANNEL_SCAN_TIME 20
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struct rsi_bgscan_params {
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u16 bgscan_threshold;
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u16 roam_threshold;
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u16 bgscan_periodicity;
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u8 num_bgscan_channels;
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u8 two_probe;
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u16 active_scan_duration;
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u16 passive_scan_duration;
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};
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struct vif_priv {
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bool is_ht;
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bool sgi;
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u16 seq_start;
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int vap_id;
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};
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struct rsi_event {
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atomic_t event_condition;
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wait_queue_head_t event_queue;
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};
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struct rsi_thread {
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void (*thread_function)(void *);
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struct completion completion;
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struct task_struct *task;
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struct rsi_event event;
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atomic_t thread_done;
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};
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struct cqm_info {
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s8 last_cqm_event_rssi;
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int rssi_thold;
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u32 rssi_hyst;
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};
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enum rsi_dfs_regions {
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RSI_REGION_FCC = 0,
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RSI_REGION_ETSI,
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RSI_REGION_TELEC,
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RSI_REGION_WORLD
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};
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struct rsi_9116_features {
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u8 pll_mode;
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u8 rf_type;
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u8 wireless_mode;
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u8 afe_type;
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u8 enable_ppe;
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u8 dpd;
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u32 sifs_tx_enable;
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u32 ps_options;
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};
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struct rsi_rate_config {
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u32 configured_mask; /* configured by mac80211 bits 0-11=legacy 12+ mcs */
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u16 fixed_hw_rate;
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bool fixed_enabled;
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};
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struct rsi_common {
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struct rsi_hw *priv;
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struct vif_priv vif_info[RSI_MAX_VIFS];
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void *coex_cb;
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bool mgmt_q_block;
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struct version_info lmac_ver;
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struct rsi_thread tx_thread;
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struct sk_buff_head tx_queue[NUM_EDCA_QUEUES + 2];
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struct completion wlan_init_completion;
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/* Mutex declaration */
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struct mutex mutex;
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/* Mutex used for tx thread */
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struct mutex tx_lock;
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/* Mutex used for rx thread */
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struct mutex rx_lock;
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u8 endpoint;
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/* Channel/band related */
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u8 band;
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u8 num_supp_bands;
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u8 channel_width;
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u16 rts_threshold;
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u32 bitrate_mask[RSI_MAX_BANDS];
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struct rsi_rate_config rate_config[RSI_MAX_BANDS];
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u8 rf_reset;
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struct transmit_q_stats tx_stats;
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struct security_info secinfo;
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struct wmm_qinfo tx_qinfo[NUM_EDCA_QUEUES];
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struct ieee80211_tx_queue_params edca_params[NUM_EDCA_QUEUES];
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u8 mac_addr[IEEE80211_ADDR_LEN];
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/* state related */
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u32 fsm_state;
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bool init_done;
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u8 bb_rf_prog_count;
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bool iface_down;
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/* Generic */
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u8 channel;
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u8 *rx_data_pkt;
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u8 mac_id;
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u8 radio_id;
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u16 rate_pwr[20];
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/* WMM algo related */
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u8 selected_qnum;
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u32 pkt_cnt;
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u8 min_weight;
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/* bgscan related */
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struct cqm_info cqm_info;
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bool hw_data_qs_blocked;
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u8 driver_mode;
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u8 coex_mode;
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u16 oper_mode;
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u8 lp_ps_handshake_mode;
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u8 ulp_ps_handshake_mode;
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u8 uapsd_bitmap;
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u8 rf_power_val;
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u8 wlan_rf_power_mode;
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u8 obm_ant_sel_val;
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int tx_power;
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u8 ant_in_use;
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/* Mutex used for writing packet to bus */
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struct mutex tx_bus_mutex;
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bool hibernate_resume;
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bool reinit_hw;
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u8 wow_flags;
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u16 beacon_interval;
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u8 dtim_cnt;
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/* AP mode parameters */
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u8 beacon_enabled;
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u16 beacon_cnt;
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struct rsi_sta stations[RSI_MAX_ASSOC_STAS + 1];
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int num_stations;
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int max_stations;
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struct ieee80211_key_conf *key;
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/* Wi-Fi direct mode related */
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bool p2p_enabled;
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struct timer_list roc_timer;
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struct ieee80211_vif *roc_vif;
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bool eapol4_confirm;
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bool bt_defer_attach;
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void *bt_adapter;
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struct cfg80211_scan_request *hwscan;
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struct rsi_bgscan_params bgscan;
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struct rsi_9116_features w9116_features;
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u8 bgscan_en;
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u8 mac_ops_resumed;
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};
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struct eepromrw_info {
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u32 offset;
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u32 length;
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u8 write;
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u16 eeprom_erase;
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u8 data[480];
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};
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struct eeprom_read {
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u16 length;
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u16 off_set;
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};
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struct rsi_hw {
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struct rsi_common *priv;
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enum rsi_dev_model device_model;
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struct ieee80211_hw *hw;
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struct ieee80211_vif *vifs[RSI_MAX_VIFS];
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struct ieee80211_tx_queue_params edca_params[NUM_EDCA_QUEUES];
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struct ieee80211_supported_band sbands[NUM_NL80211_BANDS];
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struct device *device;
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u8 sc_nvifs;
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enum rsi_host_intf rsi_host_intf;
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u16 block_size;
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enum ps_state ps_state;
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struct rsi_ps_info ps_info;
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spinlock_t ps_lock; /*To protect power save config*/
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u32 usb_buffer_status_reg;
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#ifdef CONFIG_RSI_DEBUGFS
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struct rsi_debugfs *dfsentry;
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u8 num_debugfs_entries;
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#endif
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char *fw_file_name;
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struct timer_list bl_cmd_timer;
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bool blcmd_timer_expired;
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u32 flash_capacity;
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struct eepromrw_info eeprom;
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u32 interrupt_status;
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u8 dfs_region;
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char country[2];
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void *rsi_dev;
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struct rsi_host_intf_ops *host_intf_ops;
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int (*check_hw_queue_status)(struct rsi_hw *adapter, u8 q_num);
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int (*determine_event_timeout)(struct rsi_hw *adapter);
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};
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void rsi_print_version(struct rsi_common *common);
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struct rsi_host_intf_ops {
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int (*read_pkt)(struct rsi_hw *adapter, u8 *pkt, u32 len);
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int (*write_pkt)(struct rsi_hw *adapter, u8 *pkt, u32 len);
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int (*master_access_msword)(struct rsi_hw *adapter, u16 ms_word);
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int (*read_reg_multiple)(struct rsi_hw *adapter, u32 addr,
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u8 *data, u16 count);
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int (*write_reg_multiple)(struct rsi_hw *adapter, u32 addr,
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u8 *data, u16 count);
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int (*master_reg_read)(struct rsi_hw *adapter, u32 addr,
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u32 *read_buf, u16 size);
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int (*master_reg_write)(struct rsi_hw *adapter,
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unsigned long addr, unsigned long data,
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u16 size);
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int (*load_data_master_write)(struct rsi_hw *adapter, u32 addr,
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u32 instructions_size, u16 block_size,
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u8 *fw);
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int (*reinit_device)(struct rsi_hw *adapter);
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int (*ta_reset)(struct rsi_hw *adapter);
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};
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enum rsi_host_intf rsi_get_host_intf(void *priv);
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void rsi_set_bt_context(void *priv, void *bt_context);
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void rsi_attach_bt(struct rsi_common *common);
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#endif
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