/* * Copyright (c) 2013 Eugene Krasnikov * * 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 _WCN36XX_H_ #define _WCN36XX_H_ #include #include #include #include #include "hal.h" #include "smd.h" #include "txrx.h" #include "dxe.h" #include "pmc.h" #include "debug.h" #define WLAN_NV_FILE "wlan/prima/WCNSS_qcom_wlan_nv.bin" #define WCN36XX_AGGR_BUFFER_SIZE 64 /* How many frames until we start a-mpdu TX session */ #define WCN36XX_AMPDU_START_THRESH 20 #define WCN36XX_MAX_SCAN_SSIDS 9 #define WCN36XX_MAX_SCAN_IE_LEN 500 extern unsigned int wcn36xx_dbg_mask; enum wcn36xx_debug_mask { WCN36XX_DBG_DXE = 0x00000001, WCN36XX_DBG_DXE_DUMP = 0x00000002, WCN36XX_DBG_SMD = 0x00000004, WCN36XX_DBG_SMD_DUMP = 0x00000008, WCN36XX_DBG_RX = 0x00000010, WCN36XX_DBG_RX_DUMP = 0x00000020, WCN36XX_DBG_TX = 0x00000040, WCN36XX_DBG_TX_DUMP = 0x00000080, WCN36XX_DBG_HAL = 0x00000100, WCN36XX_DBG_HAL_DUMP = 0x00000200, WCN36XX_DBG_MAC = 0x00000400, WCN36XX_DBG_BEACON = 0x00000800, WCN36XX_DBG_BEACON_DUMP = 0x00001000, WCN36XX_DBG_PMC = 0x00002000, WCN36XX_DBG_PMC_DUMP = 0x00004000, WCN36XX_DBG_ANY = 0xffffffff, }; #define wcn36xx_err(fmt, arg...) \ printk(KERN_ERR pr_fmt("ERROR " fmt), ##arg) #define wcn36xx_warn(fmt, arg...) \ printk(KERN_WARNING pr_fmt("WARNING " fmt), ##arg) #define wcn36xx_info(fmt, arg...) \ printk(KERN_INFO pr_fmt(fmt), ##arg) #define wcn36xx_dbg(mask, fmt, arg...) do { \ if (wcn36xx_dbg_mask & mask) \ printk(KERN_DEBUG pr_fmt(fmt), ##arg); \ } while (0) #define wcn36xx_dbg_dump(mask, prefix_str, buf, len) do { \ if (wcn36xx_dbg_mask & mask) \ print_hex_dump(KERN_DEBUG, pr_fmt(prefix_str), \ DUMP_PREFIX_OFFSET, 32, 1, \ buf, len, false); \ } while (0) enum wcn36xx_ampdu_state { WCN36XX_AMPDU_NONE, WCN36XX_AMPDU_INIT, WCN36XX_AMPDU_START, WCN36XX_AMPDU_OPERATIONAL, }; #define WCN36XX_HW_CHANNEL(__wcn) (__wcn->hw->conf.chandef.chan->hw_value) #define WCN36XX_BAND(__wcn) (__wcn->hw->conf.chandef.chan->band) #define WCN36XX_CENTER_FREQ(__wcn) (__wcn->hw->conf.chandef.chan->center_freq) #define WCN36XX_LISTEN_INTERVAL(__wcn) (__wcn->hw->conf.listen_interval) #define WCN36XX_FLAGS(__wcn) (__wcn->hw->flags) #define WCN36XX_MAX_POWER(__wcn) (__wcn->hw->conf.chandef.chan->max_power) static inline void buff_to_be(u32 *buf, size_t len) { int i; for (i = 0; i < len; i++) buf[i] = cpu_to_be32(buf[i]); } struct nv_data { int is_valid; u8 table; }; /** * struct wcn36xx_vif - holds VIF related fields * * @bss_index: bss_index is initially set to 0xFF. bss_index is received from * HW after first config_bss call and must be used in delete_bss and * enter/exit_bmps. */ struct wcn36xx_vif { struct list_head list; u8 dtim_period; enum ani_ed_type encrypt_type; bool is_joining; bool sta_assoc; struct wcn36xx_hal_mac_ssid ssid; /* Power management */ enum wcn36xx_power_state pw_state; u8 bss_index; /* Returned from WCN36XX_HAL_ADD_STA_SELF_RSP */ u8 self_sta_index; u8 self_dpu_desc_index; u8 self_ucast_dpu_sign; }; /** * struct wcn36xx_sta - holds STA related fields * * @tid: traffic ID that is used during AMPDU and in TX BD. * @sta_index: STA index is returned from HW after config_sta call and is * used in both SMD channel and TX BD. * @dpu_desc_index: DPU descriptor index is returned from HW after config_sta * call and is used in TX BD. * @bss_sta_index: STA index is returned from HW after config_bss call and is * used in both SMD channel and TX BD. See table bellow when it is used. * @bss_dpu_desc_index: DPU descriptor index is returned from HW after * config_bss call and is used in TX BD. * ______________________________________________ * | | STA | AP | * |______________|_____________|_______________| * | TX BD |bss_sta_index| sta_index | * |______________|_____________|_______________| * |all SMD calls |bss_sta_index| sta_index | * |______________|_____________|_______________| * |smd_delete_sta| sta_index | sta_index | * |______________|_____________|_______________| */ struct wcn36xx_sta { struct wcn36xx_vif *vif; u16 aid; u16 tid; u8 sta_index; u8 dpu_desc_index; u8 ucast_dpu_sign; u8 bss_sta_index; u8 bss_dpu_desc_index; bool is_data_encrypted; /* Rates */ struct wcn36xx_hal_supported_rates supported_rates; spinlock_t ampdu_lock; /* protects next two fields */ enum wcn36xx_ampdu_state ampdu_state[16]; int non_agg_frame_ct; }; struct wcn36xx_dxe_ch; struct wcn36xx { struct ieee80211_hw *hw; struct device *dev; struct list_head vif_list; const struct firmware *nv; u8 fw_revision; u8 fw_version; u8 fw_minor; u8 fw_major; u32 fw_feat_caps[WCN36XX_HAL_CAPS_SIZE]; bool is_pronto; /* extra byte for the NULL termination */ u8 crm_version[WCN36XX_HAL_VERSION_LENGTH + 1]; u8 wlan_version[WCN36XX_HAL_VERSION_LENGTH + 1]; /* IRQs */ int tx_irq; int rx_irq; void __iomem *ccu_base; void __iomem *dxe_base; struct qcom_smd_channel *smd_channel; struct qcom_smem_state *tx_enable_state; unsigned tx_enable_state_bit; struct qcom_smem_state *tx_rings_empty_state; unsigned tx_rings_empty_state_bit; /* * smd_buf must be protected with smd_mutex to garantee * that all messages are sent one after another */ u8 *hal_buf; size_t hal_rsp_len; struct mutex hal_mutex; struct completion hal_rsp_compl; struct workqueue_struct *hal_ind_wq; struct work_struct hal_ind_work; spinlock_t hal_ind_lock; struct list_head hal_ind_queue; struct work_struct scan_work; struct cfg80211_scan_request *scan_req; int scan_freq; int scan_band; struct mutex scan_lock; bool scan_aborted; /* DXE channels */ struct wcn36xx_dxe_ch dxe_tx_l_ch; /* TX low */ struct wcn36xx_dxe_ch dxe_tx_h_ch; /* TX high */ struct wcn36xx_dxe_ch dxe_rx_l_ch; /* RX low */ struct wcn36xx_dxe_ch dxe_rx_h_ch; /* RX high */ /* For synchronization of DXE resources from BH, IRQ and WQ contexts */ spinlock_t dxe_lock; bool queues_stopped; /* Memory pools */ struct wcn36xx_dxe_mem_pool mgmt_mem_pool; struct wcn36xx_dxe_mem_pool data_mem_pool; struct sk_buff *tx_ack_skb; #ifdef CPTCFG_WCN36XX_DEBUGFS /* Debug file system entry */ struct wcn36xx_dfs_entry dfs; #endif /* CPTCFG_WCN36XX_DEBUGFS */ }; static inline bool wcn36xx_is_fw_version(struct wcn36xx *wcn, u8 major, u8 minor, u8 version, u8 revision) { return (wcn->fw_major == major && wcn->fw_minor == minor && wcn->fw_version == version && wcn->fw_revision == revision); } void wcn36xx_set_default_rates(struct wcn36xx_hal_supported_rates *rates); static inline struct ieee80211_sta *wcn36xx_priv_to_sta(struct wcn36xx_sta *sta_priv) { return container_of((void *)sta_priv, struct ieee80211_sta, drv_priv); } static inline struct wcn36xx_vif *wcn36xx_vif_to_priv(struct ieee80211_vif *vif) { return (struct wcn36xx_vif *) vif->drv_priv; } static inline struct ieee80211_vif *wcn36xx_priv_to_vif(struct wcn36xx_vif *vif_priv) { return container_of((void *) vif_priv, struct ieee80211_vif, drv_priv); } static inline struct wcn36xx_sta *wcn36xx_sta_to_priv(struct ieee80211_sta *sta) { return (struct wcn36xx_sta *)sta->drv_priv; } #endif /* _WCN36XX_H_ */