339 lines
9.2 KiB
C
339 lines
9.2 KiB
C
/*
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* Copyright (c) 2013 Eugene Krasnikov <k.eugene.e@gmail.com>
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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 ANY
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* 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 ACTION
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* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef _WCN36XX_H_
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#define _WCN36XX_H_
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#include <linux/completion.h>
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#include <linux/in6.h>
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#include <linux/printk.h>
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#include <linux/spinlock.h>
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#include <net/mac80211.h>
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#include "hal.h"
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#include "smd.h"
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#include "txrx.h"
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#include "dxe.h"
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#include "pmc.h"
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#include "debug.h"
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#define WLAN_NV_FILE "wlan/prima/WCNSS_qcom_wlan_nv.bin"
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#define WCN36XX_AGGR_BUFFER_SIZE 64
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extern unsigned int wcn36xx_dbg_mask;
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enum wcn36xx_debug_mask {
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WCN36XX_DBG_DXE = 0x00000001,
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WCN36XX_DBG_DXE_DUMP = 0x00000002,
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WCN36XX_DBG_SMD = 0x00000004,
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WCN36XX_DBG_SMD_DUMP = 0x00000008,
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WCN36XX_DBG_RX = 0x00000010,
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WCN36XX_DBG_RX_DUMP = 0x00000020,
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WCN36XX_DBG_TX = 0x00000040,
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WCN36XX_DBG_TX_DUMP = 0x00000080,
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WCN36XX_DBG_HAL = 0x00000100,
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WCN36XX_DBG_HAL_DUMP = 0x00000200,
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WCN36XX_DBG_MAC = 0x00000400,
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WCN36XX_DBG_BEACON = 0x00000800,
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WCN36XX_DBG_BEACON_DUMP = 0x00001000,
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WCN36XX_DBG_PMC = 0x00002000,
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WCN36XX_DBG_PMC_DUMP = 0x00004000,
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WCN36XX_DBG_TESTMODE = 0x00008000,
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WCN36XX_DBG_TESTMODE_DUMP = 0x00010000,
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WCN36XX_DBG_ANY = 0xffffffff,
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};
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#define wcn36xx_err(fmt, arg...) \
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printk(KERN_ERR pr_fmt("ERROR " fmt), ##arg)
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#define wcn36xx_warn(fmt, arg...) \
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printk(KERN_WARNING pr_fmt("WARNING " fmt), ##arg)
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#define wcn36xx_info(fmt, arg...) \
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printk(KERN_INFO pr_fmt(fmt), ##arg)
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#define wcn36xx_dbg(mask, fmt, arg...) do { \
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if (wcn36xx_dbg_mask & mask) \
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printk(KERN_DEBUG pr_fmt(fmt), ##arg); \
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} while (0)
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#define wcn36xx_dbg_dump(mask, prefix_str, buf, len) do { \
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if (wcn36xx_dbg_mask & mask) \
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print_hex_dump(KERN_DEBUG, pr_fmt(prefix_str), \
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DUMP_PREFIX_OFFSET, 32, 1, \
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buf, len, false); \
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} while (0)
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enum wcn36xx_ampdu_state {
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WCN36XX_AMPDU_NONE,
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WCN36XX_AMPDU_INIT,
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WCN36XX_AMPDU_START,
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WCN36XX_AMPDU_OPERATIONAL,
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};
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#define HW_VALUE_PHY_SHIFT 8
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#define HW_VALUE_PHY(hw_value) ((hw_value) >> HW_VALUE_PHY_SHIFT)
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#define HW_VALUE_CHANNEL(hw_value) ((hw_value) & 0xFF)
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#define WCN36XX_HW_CHANNEL(__wcn)\
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HW_VALUE_CHANNEL(__wcn->hw->conf.chandef.chan->hw_value)
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#define WCN36XX_BAND(__wcn) (__wcn->hw->conf.chandef.chan->band)
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#define WCN36XX_CENTER_FREQ(__wcn) (__wcn->hw->conf.chandef.chan->center_freq)
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#define WCN36XX_LISTEN_INTERVAL(__wcn) (__wcn->hw->conf.listen_interval)
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#define WCN36XX_FLAGS(__wcn) (__wcn->hw->flags)
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#define WCN36XX_MAX_POWER(__wcn) (__wcn->hw->conf.chandef.chan->max_power)
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#define RF_UNKNOWN 0x0000
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#define RF_IRIS_WCN3620 0x3620
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#define RF_IRIS_WCN3660 0x3660
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#define RF_IRIS_WCN3680 0x3680
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static inline void buff_to_be(u32 *buf, size_t len)
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{
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int i;
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for (i = 0; i < len; i++)
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buf[i] = cpu_to_be32(buf[i]);
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}
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struct nv_data {
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int is_valid;
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u8 table;
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};
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/**
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* struct wcn36xx_vif - holds VIF related fields
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*
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* @bss_index: bss_index is initially set to 0xFF. bss_index is received from
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* HW after first config_bss call and must be used in delete_bss and
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* enter/exit_bmps.
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*/
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struct wcn36xx_vif {
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struct list_head list;
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u8 dtim_period;
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enum ani_ed_type encrypt_type;
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bool is_joining;
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bool sta_assoc;
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struct wcn36xx_hal_mac_ssid ssid;
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enum wcn36xx_hal_bss_type bss_type;
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/* Power management */
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enum wcn36xx_power_state pw_state;
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u8 bss_index;
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/* Returned from WCN36XX_HAL_ADD_STA_SELF_RSP */
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u8 self_sta_index;
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u8 self_dpu_desc_index;
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u8 self_ucast_dpu_sign;
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#if IS_ENABLED(CONFIG_IPV6)
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/* IPv6 addresses for WoWLAN */
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struct in6_addr target_ipv6_addrs[WCN36XX_HAL_IPV6_OFFLOAD_ADDR_MAX];
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unsigned long tentative_addrs[BITS_TO_LONGS(WCN36XX_HAL_IPV6_OFFLOAD_ADDR_MAX)];
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int num_target_ipv6_addrs;
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#endif
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/* WoWLAN GTK rekey data */
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struct {
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u8 kck[NL80211_KCK_LEN], kek[NL80211_KEK_LEN];
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__le64 replay_ctr;
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bool valid;
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} rekey_data;
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struct list_head sta_list;
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int bmps_fail_ct;
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};
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/**
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* struct wcn36xx_sta - holds STA related fields
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*
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* @tid: traffic ID that is used during AMPDU and in TX BD.
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* @sta_index: STA index is returned from HW after config_sta call and is
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* used in both SMD channel and TX BD.
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* @dpu_desc_index: DPU descriptor index is returned from HW after config_sta
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* call and is used in TX BD.
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* @bss_sta_index: STA index is returned from HW after config_bss call and is
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* used in both SMD channel and TX BD. See table bellow when it is used.
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* @bss_dpu_desc_index: DPU descriptor index is returned from HW after
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* config_bss call and is used in TX BD.
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* ______________________________________________
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* | | STA | AP |
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* |______________|_____________|_______________|
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* | TX BD |bss_sta_index| sta_index |
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* |______________|_____________|_______________|
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* |all SMD calls |bss_sta_index| sta_index |
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* |______________|_____________|_______________|
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* |smd_delete_sta| sta_index | sta_index |
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* |______________|_____________|_______________|
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*/
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struct wcn36xx_sta {
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struct list_head list;
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struct wcn36xx_vif *vif;
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u16 aid;
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u16 tid;
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u8 sta_index;
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u8 dpu_desc_index;
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u8 ucast_dpu_sign;
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u8 bss_sta_index;
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u8 bss_dpu_desc_index;
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bool is_data_encrypted;
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/* Rates */
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struct wcn36xx_hal_supported_rates_v1 supported_rates;
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spinlock_t ampdu_lock; /* protects next two fields */
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enum wcn36xx_ampdu_state ampdu_state[16];
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int non_agg_frame_ct;
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};
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struct wcn36xx_dxe_ch;
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struct wcn36xx_chan_survey {
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s8 rssi;
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u8 snr;
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};
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struct wcn36xx {
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struct ieee80211_hw *hw;
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struct device *dev;
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struct list_head vif_list;
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const char *nv_file;
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const struct firmware *nv;
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u8 fw_revision;
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u8 fw_version;
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u8 fw_minor;
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u8 fw_major;
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u32 fw_feat_caps[WCN36XX_HAL_CAPS_SIZE];
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bool is_pronto;
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/* extra byte for the NULL termination */
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u8 crm_version[WCN36XX_HAL_VERSION_LENGTH + 1];
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u8 wlan_version[WCN36XX_HAL_VERSION_LENGTH + 1];
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bool first_boot;
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/* IRQs */
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int tx_irq;
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int rx_irq;
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void __iomem *ccu_base;
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void __iomem *dxe_base;
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struct rpmsg_endpoint *smd_channel;
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struct qcom_smem_state *tx_enable_state;
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unsigned tx_enable_state_bit;
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struct qcom_smem_state *tx_rings_empty_state;
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unsigned tx_rings_empty_state_bit;
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/* prevents concurrent FW reconfiguration */
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struct mutex conf_mutex;
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/*
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* smd_buf must be protected with smd_mutex to garantee
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* that all messages are sent one after another
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*/
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u8 *hal_buf;
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size_t hal_rsp_len;
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struct mutex hal_mutex;
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struct completion hal_rsp_compl;
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struct workqueue_struct *hal_ind_wq;
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struct work_struct hal_ind_work;
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spinlock_t hal_ind_lock;
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struct list_head hal_ind_queue;
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struct cfg80211_scan_request *scan_req;
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bool sw_scan;
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u8 sw_scan_opchannel;
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bool sw_scan_init;
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u8 sw_scan_channel;
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struct ieee80211_vif *sw_scan_vif;
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struct mutex scan_lock;
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bool scan_aborted;
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/* DXE channels */
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struct wcn36xx_dxe_ch dxe_tx_l_ch; /* TX low */
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struct wcn36xx_dxe_ch dxe_tx_h_ch; /* TX high */
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struct wcn36xx_dxe_ch dxe_rx_l_ch; /* RX low */
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struct wcn36xx_dxe_ch dxe_rx_h_ch; /* RX high */
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/* For synchronization of DXE resources from BH, IRQ and WQ contexts */
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spinlock_t dxe_lock;
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bool queues_stopped;
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/* Memory pools */
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struct wcn36xx_dxe_mem_pool mgmt_mem_pool;
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struct wcn36xx_dxe_mem_pool data_mem_pool;
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struct sk_buff *tx_ack_skb;
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struct timer_list tx_ack_timer;
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/* For A-MSDU re-aggregation */
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struct sk_buff_head amsdu;
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/* RF module */
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unsigned rf_id;
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#ifdef CONFIG_WCN36XX_DEBUGFS
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/* Debug file system entry */
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struct wcn36xx_dfs_entry dfs;
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#endif /* CONFIG_WCN36XX_DEBUGFS */
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struct ieee80211_supported_band *band;
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struct ieee80211_channel *channel;
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spinlock_t survey_lock; /* protects chan_survey */
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struct wcn36xx_chan_survey *chan_survey;
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};
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static inline bool wcn36xx_is_fw_version(struct wcn36xx *wcn,
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u8 major,
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u8 minor,
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u8 version,
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u8 revision)
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{
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return (wcn->fw_major == major &&
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wcn->fw_minor == minor &&
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wcn->fw_version == version &&
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wcn->fw_revision == revision);
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}
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void wcn36xx_set_default_rates(struct wcn36xx_hal_supported_rates *rates);
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void wcn36xx_set_default_rates_v1(struct wcn36xx_hal_supported_rates_v1 *rates);
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static inline
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struct ieee80211_sta *wcn36xx_priv_to_sta(struct wcn36xx_sta *sta_priv)
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{
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return container_of((void *)sta_priv, struct ieee80211_sta, drv_priv);
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}
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static inline
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struct wcn36xx_vif *wcn36xx_vif_to_priv(struct ieee80211_vif *vif)
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{
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return (struct wcn36xx_vif *) vif->drv_priv;
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}
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static inline
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struct ieee80211_vif *wcn36xx_priv_to_vif(struct wcn36xx_vif *vif_priv)
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{
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return container_of((void *) vif_priv, struct ieee80211_vif, drv_priv);
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}
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static inline
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struct wcn36xx_sta *wcn36xx_sta_to_priv(struct ieee80211_sta *sta)
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{
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return (struct wcn36xx_sta *)sta->drv_priv;
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}
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#endif /* _WCN36XX_H_ */
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