forked from Minki/linux
e26dc173a6
Currently, wcn36xx only asks for a TX BA session if it has already established one for RX. Thus, two wcn36xx devices cannot do a-mpdu between themselves since they both wait for the other to go first. Fix this by starting a BA session after a few QoS data frames have been sent to a STA. Signed-off-by: Bob Copeland <me@bobcopeland.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
267 lines
7.5 KiB
C
267 lines
7.5 KiB
C
/*
|
|
* Copyright (c) 2013 Eugene Krasnikov <k.eugene.e@gmail.com>
|
|
*
|
|
* 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 <linux/completion.h>
|
|
#include <linux/printk.h>
|
|
#include <linux/spinlock.h>
|
|
#include <net/mac80211.h>
|
|
|
|
#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
|
|
|
|
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;
|
|
};
|
|
|
|
/* Interface for platform control path
|
|
*
|
|
* @open: hook must be called when wcn36xx wants to open control channel.
|
|
* @tx: sends a buffer.
|
|
*/
|
|
struct wcn36xx_platform_ctrl_ops {
|
|
int (*open)(void *drv_priv, void *rsp_cb);
|
|
void (*close)(void);
|
|
int (*tx)(char *buf, size_t len);
|
|
int (*get_hw_mac)(u8 *addr);
|
|
int (*smsm_change_state)(u32 clear_mask, u32 set_mask);
|
|
};
|
|
|
|
/**
|
|
* 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;
|
|
struct wcn36xx_sta *sta;
|
|
u8 dtim_period;
|
|
enum ani_ed_type encrypt_type;
|
|
bool is_joining;
|
|
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];
|
|
u32 chip_version;
|
|
|
|
/* 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 *mmio;
|
|
|
|
struct wcn36xx_platform_ctrl_ops *ctrl_ops;
|
|
/*
|
|
* 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;
|
|
struct mutex hal_ind_mutex;
|
|
struct list_head hal_ind_queue;
|
|
|
|
/* 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 CONFIG_WCN36XX_DEBUGFS
|
|
/* Debug file system entry */
|
|
struct wcn36xx_dfs_entry dfs;
|
|
#endif /* CONFIG_WCN36XX_DEBUGFS */
|
|
|
|
};
|
|
|
|
#define WCN36XX_CHIP_3660 0
|
|
#define WCN36XX_CHIP_3680 1
|
|
|
|
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);
|
|
}
|
|
|
|
#endif /* _WCN36XX_H_ */
|