/** ****************************************************************************** * * @file rwnx_defs.h * * @brief Main driver structure declarations for fullmac driver * * Copyright (C) RivieraWaves 2012-2019 * ****************************************************************************** */ #ifndef _RWNX_DEFS_H_ #define _RWNX_DEFS_H_ #include #include #include #include #include #include #include #include "rwnx_debugfs.h" #include "rwnx_tx.h" #include "rwnx_rx.h" #include "rwnx_radar.h" #include "rwnx_utils.h" #include "rwnx_mu_group.h" #include "rwnx_platform.h" #include "rwnx_cmds.h" #ifdef AICWF_SDIO_SUPPORT #include "aicwf_sdio.h" #include "sdio_host.h" #endif #ifdef AICWF_USB_SUPPORT #include "usb_host.h" #endif #define TERM_BUFFER_SIZE 4096 /** * struct rwnx_term - Term device data * * @semaphore: Semaphore to ensure that no msg will be sent until previous one * is acknowledged by fw. Acknowledge is done in tasklet so cannot use mutex. * @cdev: Check device structure * @dev: device structure * @buf_lock: Lock to read/write debug msg buffer * @buf: Share buffer to store debug msg reported by fw * @buf_idx: Total number of bytes written in the share buffer since * device creation * @queue: Wait queue for readers * @stream_list: List of streams opened on this terminal */ struct rwnx_term { struct semaphore sem; struct cdev cdev; struct device *dev; spinlock_t buf_lock; char buf[TERM_BUFFER_SIZE]; int buf_idx; wait_queue_head_t queue; struct list_head stream_list; }; /** * struct rwnx_term_stream - Private structure for one stream * * @list: Node for term->stream_list * @term: Pointer to &struct rwnx_term structure * @buf: Private buffer for the stream * @read: Read pointer on private buffer * @write: Write pointer on private buffer * @avail: Number of bytes availalbe in private buffer * @last_idx: Value of &struct rwnx_term.buf_idx at last read */ struct rwnx_term_stream { struct list_head list; struct rwnx_term *term; char buf[2 * TERM_BUFFER_SIZE]; char *read, *write; int avail, last_idx; }; /** * struct rwnx_trace - Trace device data * * @cdev: Check device structure * @dev: device structure * @fw: Fw trace control structure */ struct rwnx_trace { struct cdev cdev; struct device *dev; struct rwnx_fw_trace fw; }; #define WPI_HDR_LEN 18 #define WPI_PN_LEN 16 #define WPI_PN_OFST 2 #define WPI_MIC_LEN 16 #define WPI_KEY_LEN 32 #define WPI_SUBKEY_LEN 16 // WPI key is actually two 16bytes key #define LEGACY_PS_ID 0 #define UAPSD_ID 1 #define PS_SP_INTERRUPTED 255 #define MAC_ADDR_LEN 6 /** * struct rwnx_bcn - Information of the beacon in used (AP mode) * * @head: head portion of beacon (before TIM IE) * @tail: tail portion of beacon (after TIM IE) * @ies: extra IEs (not used ?) * @head_len: length of head data * @tail_len: length of tail data * @ies_len: length of extra IEs data * @tim_len: length of TIM IE * @len: Total beacon len (head + tim + tail + extra) * @dtim: dtim period */ struct rwnx_bcn { u8 *head; u8 *tail; u8 *ies; size_t head_len; size_t tail_len; size_t ies_len; size_t tim_len; size_t len; u8 dtim; }; /** * struct rwnx_key - Key information * * @hw_idx: Idx of the key from hardware point of view */ struct rwnx_key { u8 hw_idx; }; /** * Structure containing information about a Mesh Path */ struct rwnx_mesh_path { struct list_head list; /* For rwnx_vif.mesh_paths */ u8 path_idx; /* Path Index */ struct mac_addr tgt_mac_addr; /* Target MAC Address */ struct rwnx_sta *p_nhop_sta; /* Pointer to the Next Hop STA */ }; struct rwnx_mesh_proxy { struct list_head list; /* For rwnx_vif.mesh_proxy */ struct mac_addr ext_sta_addr; /* Address of the External STA */ struct mac_addr proxy_addr; /* Proxy MAC Address */ bool local; /* Indicate if interface is a proxy for the device */ }; #if 0 /** * struct rwnx_csa - Information for CSA (Channel Switch Announcement) * * @vif: Pointer to the vif doing the CSA * @bcn: Beacon to use after CSA * @elem: IPC buffer to send the new beacon to the fw * @chandef: defines the channel to use after the switch * @count: Current csa counter * @status: Status of the CSA at fw level * @ch_idx: Index of the new channel context * @work: work scheduled at the end of CSA */ struct rwnx_csa { struct rwnx_vif *vif; struct rwnx_bcn bcn; struct rwnx_ipc_elem_var elem; struct cfg80211_chan_def chandef; int count; int status; int ch_idx; struct work_struct work; }; #endif /// Possible States of the TDLS link. enum tdls_status_tag { /// TDLS link is not active (no TDLS peer connected) TDLS_LINK_IDLE, /// TDLS Setup Request transmitted TDLS_SETUP_REQ_TX, /// TDLS Setup Response transmitted TDLS_SETUP_RSP_TX, /// TDLS link is active (TDLS peer connected) TDLS_LINK_ACTIVE, /// TDLS Max Number of states. TDLS_STATE_MAX }; /* * Structure used to save information relative to the TDLS peer. * This is also linked within the rwnx_hw vifs list. * */ struct rwnx_tdls { bool active; /* Indicate if TDLS link is active */ bool initiator; /* Indicate if TDLS peer is the TDLS initiator */ bool chsw_en; /* Indicate if channel switch is enabled */ u8 last_tid; /* TID of the latest MPDU transmitted over the TDLS direct link to the TDLS STA */ u16 last_sn; /* Sequence number of the latest MPDU transmitted over the TDLS direct link to the TDLS STA */ bool ps_on; /* Indicate if the power save is enabled on the TDLS STA */ bool chsw_allowed; /* Indicate if TDLS channel switch is allowed */ }; /** * enum rwnx_ap_flags - AP flags * * @RWNX_AP_ISOLATE Isolate clients (i.e. Don't brige packets transmitted by * one client for another one) */ enum rwnx_ap_flags { RWNX_AP_ISOLATE = BIT(0), }; /* * Structure used to save information relative to the managed interfaces. * This is also linked within the rwnx_hw vifs list. * */ struct rwnx_vif { #if LINUX_VERSION_CODE < KERNEL_VERSION(3, 7, 0) u8 address[ETH_ALEN] __aligned(sizeof(u16)); #endif struct list_head list; struct rwnx_hw *rwnx_hw; struct wireless_dev wdev; struct net_device *ndev; struct net_device_stats net_stats; struct rwnx_key key[6]; u8 drv_vif_index; /* Identifier of the VIF in driver */ u8 vif_index; /* Identifier of the station in FW */ bool up; /* Indicate if associated netdev is up (i.e. Interface is created at fw level) */ }; #define RWNX_VIF_TYPE(rwnx_vif) (rwnx_vif->wdev.iftype) /** * Structure used to store information relative to PS mode. * * @active: True when the sta is in PS mode. * If false, other values should be ignored * @pkt_ready: Number of packets buffered for the sta in drv's txq * (1 counter for Legacy PS and 1 for U-APSD) * @sp_cnt: Number of packets that remain to be pushed in the service period. * 0 means that no service period is in progress * (1 counter for Legacy PS and 1 for U-APSD) */ struct rwnx_sta_ps { bool active; u16 pkt_ready[2]; u16 sp_cnt[2]; }; /** * struct rwnx_rx_rate_stats - Store statistics for RX rates * * @table: Table indicating how many frame has been receive which each * rate index. Rate index is the same as the one used by RC algo for TX * @size: Size of the table array * @cpt: number of frames received */ struct rwnx_rx_rate_stats { int *table; int size; int cpt; int rate_cnt; }; /** * struct rwnx_sta_stats - Structure Used to store statistics specific to a STA * * @last_rx: Hardware vector of the last received frame * @rx_rate: Statistics of the received rates */ struct rwnx_sta_stats { //#ifdef CONFIG_RWNX_DEBUGFS struct hw_vect last_rx; struct rwnx_rx_rate_stats rx_rate; //#endif }; /* * Structure used to save information relative to the managed stations. */ struct rwnx_sta { struct list_head list; u16 aid; /* association ID */ u8 sta_idx; /* Identifier of the station */ u8 vif_idx; /* Identifier of the VIF (fw id) the station belongs to */ u8 vlan_idx; /* Identifier of the VLAN VIF (fw id) the station belongs to (= vif_idx if no vlan in used) */ //enum nl80211_band band; /* Band */ //enum nl80211_chan_width width; /* Channel width */ u16 center_freq; /* Center frequency */ u32 center_freq1; /* Center frequency 1 */ u32 center_freq2; /* Center frequency 2 */ u8 ch_idx; /* Identifier of the channel context the station belongs to */ bool qos; /* Flag indicating if the station supports QoS */ u8 acm; /* Bitfield indicating which queues have AC mandatory */ u16 uapsd_tids; /* Bitfield indicating which tids are subject to UAPSD */ u8 mac_addr[ETH_ALEN]; /* MAC address of the station */ struct rwnx_key key; bool valid; /* Flag indicating if the entry is valid */ struct rwnx_sta_ps ps; /* Information when STA is in PS (AP only) */ #ifdef CONFIG_RWNX_BFMER struct rwnx_bfmer_report *bfm_report; /* Beamforming report to be used for VHT TX Beamforming */ #ifdef CONFIG_RWNX_MUMIMO_TX struct rwnx_sta_group_info group_info; /* MU grouping information for the STA */ #endif /* CONFIG_RWNX_MUMIMO_TX */ #endif /* CONFIG_RWNX_BFMER */ bool ht; /* Flag indicating if the station supports HT */ bool vht; /* Flag indicating if the station supports VHT */ u32 ac_param[AC_MAX]; /* EDCA parameters */ struct rwnx_tdls tdls; /* TDLS station information */ struct rwnx_sta_stats stats; //enum nl80211_mesh_power_mode mesh_pm; /* link-specific mesh power save mode */ }; static inline const u8 *rwnx_sta_addr(struct rwnx_sta *rwnx_sta) { return rwnx_sta->mac_addr; } #ifdef CONFIG_RWNX_SPLIT_TX_BUF struct rwnx_amsdu_stats { int done; int failed; }; #endif struct rwnx_stats { int cfm_balance[NX_TXQ_CNT]; unsigned long last_rx, last_tx; /* jiffies */ int ampdus_tx[IEEE80211_MAX_AMPDU_BUF]; int ampdus_rx[IEEE80211_MAX_AMPDU_BUF]; int ampdus_rx_map[4]; int ampdus_rx_miss; #ifdef CONFIG_RWNX_SPLIT_TX_BUF struct rwnx_amsdu_stats amsdus[NX_TX_PAYLOAD_MAX]; #endif int amsdus_rx[64]; }; struct rwnx_sec_phy_chan { u16 prim20_freq; u16 center_freq1; u16 center_freq2; enum nl80211_band band; u8 type; }; /* Structure that will contains all RoC information received from cfg80211 */ struct rwnx_roc_elem { struct wireless_dev *wdev; struct ieee80211_channel *chan; unsigned int duration; /* Used to avoid call of CFG80211 callback upon expiration of RoC */ bool mgmt_roc; /* Indicate if we have switch on the RoC channel */ bool on_chan; }; /* Structure containing channel survey information received from MAC */ struct rwnx_survey_info { // Filled u32 filled; // Amount of time in ms the radio spent on the channel u32 chan_time_ms; // Amount of time the primary channel was sensed busy u32 chan_time_busy_ms; // Noise in dbm s8 noise_dbm; }; #define RWNX_CH_NOT_SET 0xFF #define RWNX_INVALID_VIF 0xFF #define RWNX_INVALID_STA 0xFF #if 0 /* Structure containing channel context information */ struct rwnx_chanctx { struct cfg80211_chan_def chan_def; /* channel description */ u8 count; /* number of vif using this ctxt */ }; #endif /** * rwnx_phy_info - Phy information * * @phy_cnt: Number of phy interface * @cfg: Configuration send to firmware * @sec_chan: Channel configuration of the second phy interface (if phy_cnt > 1) * @limit_bw: Set to true to limit BW on requested channel. Only set to use * VHT with old radio that don't support 80MHz (deprecated) */ struct rwnx_phy_info { u8 cnt; struct phy_cfg_tag cfg; struct rwnx_sec_phy_chan sec_chan; bool limit_bw; }; struct rwnx_hw { struct device *dev; struct rwnx_plat *plat; struct tasklet_struct task; struct class* class; int major; struct rwnx_term term; struct rwnx_trace trace; spinlock_t cb_lock; //struct device *dev; #ifdef AICWF_SDIO_SUPPORT struct aic_sdio_dev *sdiodev; #endif #ifdef AICWF_USB_SUPPORT struct aic_usb_dev *usbdev; #endif struct wiphy *wiphy; struct list_head vifs; struct rwnx_vif *vif_table[NX_VIRT_DEV_MAX + NX_REMOTE_STA_MAX]; /* indexed with fw id */ struct rwnx_sta sta_table[NX_REMOTE_STA_MAX + NX_VIRT_DEV_MAX]; struct rwnx_survey_info survey[SCAN_CHANNEL_MAX]; struct cfg80211_scan_request *scan_request; //struct rwnx_chanctx chanctx_table[NX_CHAN_CTXT_CNT]; u8 cur_chanctx; u8 monitor_vif; /* FW id of the monitor interface, RWNX_INVALID_VIF if no monitor vif at fw level */ /* RoC Management */ struct rwnx_roc_elem *roc_elem; /* Information provided by cfg80211 in its remain on channel request */ u32 roc_cookie_cnt; /* Counter used to identify RoC request sent by cfg80211 */ struct rwnx_cmd_mgr *cmd_mgr; unsigned long drv_flags; //struct rwnx_plat *plat; spinlock_t tx_lock; //spinlock_t cb_lock; struct mutex mutex; /* per-device perimeter lock */ //struct tasklet_struct task; struct mm_version_cfm version_cfm; /* Lower layers versions - obtained via MM_VERSION_REQ */ u32 tcp_pacing_shift; /* IPC */ // struct ipc_host_env_tag *ipc_env; #ifdef AICWF_SDIO_SUPPORT struct sdio_host_env_tag sdio_env; #endif #ifdef AICWF_USB_SUPPORT struct usb_host_env_tag usb_env; #endif struct rwnx_ipc_elem_pool e2amsgs_pool; struct rwnx_ipc_elem_pool dbgmsgs_pool; struct rwnx_ipc_elem_pool e2aradars_pool; struct rwnx_ipc_elem_var pattern_elem; struct rwnx_ipc_dbgdump_elem dbgdump_elem; struct rwnx_ipc_elem_pool e2arxdesc_pool; struct rwnx_ipc_skb_elem *e2aunsuprxvec_elems; struct rwnx_ipc_rxbuf_elems rxbuf_elems; struct rwnx_ipc_elem_var scan_ie; struct kmem_cache *sw_txhdr_cache; struct rwnx_debugfs debugfs; struct rwnx_stats stats; //struct rwnx_txq txq[NX_NB_TXQ]; //struct rwnx_hwq hwq[NX_TXQ_CNT]; u8 avail_idx_map; u8 vif_started; bool adding_sta; struct rwnx_phy_info phy; struct rwnx_radar radar; /* extended capabilities supported */ u8 ext_capa[8]; #ifdef CONFIG_RWNX_MUMIMO_TX struct rwnx_mu_info mu; #endif u8 is_p2p_alive; u8 is_p2p_connected; struct timer_list p2p_alive_timer; struct rwnx_vif *p2p_dev_vif; atomic_t p2p_alive_timer_count; }; #if 0 u8 *rwnx_build_bcn(struct rwnx_bcn *bcn, struct cfg80211_beacon_data *new); void rwnx_chanctx_link(struct rwnx_vif *vif, u8 idx, struct cfg80211_chan_def *chandef); void rwnx_chanctx_unlink(struct rwnx_vif *vif); int rwnx_chanctx_valid(struct rwnx_hw *rwnx_hw, u8 idx); #endif static inline bool is_multicast_sta(int sta_idx) { return (sta_idx >= NX_REMOTE_STA_MAX); } struct rwnx_sta *rwnx_get_sta(struct rwnx_hw *rwnx_hw, const u8 *mac_addr); void rwnx_external_auth_enable(struct rwnx_vif *vif); void rwnx_external_auth_disable(struct rwnx_vif *vif); ///////// void rwnx_term_stream_write_mod(struct rwnx_term_stream *stream, char *src, unsigned int size); void rwnx_term_write_shared(struct rwnx_term *term, char *data, size_t size); void rwnx_term_ops_exit(void); void rwnx_trace_work(struct work_struct *ws); int rwnx_trace_pre_reload(struct rwnx_hw *rwnx_hw); void rwnx_trace_post_reload(struct rwnx_hw *rwnx_hw); void rwnx_fw_trace_dump(struct rwnx_hw *rwnx_hw); int rwnx_fhost_send_msg(struct rwnx_hw *rwnx_hw, struct rwnx_term_stream *stream, const char *msg, char *resp); //void rwnx_fhost_rx_handle_msg(struct rwnx_hw *rwnx_hw, struct ipc_fhost_msg *msg); #endif /* _RWNX_DEFS_H_ */