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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Common private data for Silicon Labs WFx chips.
*
* Copyright (c) 2017-2019, Silicon Laboratories, Inc.
* Copyright (c) 2010, ST-Ericsson
* Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
* Copyright 2004-2006 Jean-Baptiste Note <jbnote@gmail.com>, et al.
*/
#ifndef WFX_H
#define WFX_H
#include <linux/completion.h>
#include <linux/workqueue.h>
#include <linux/mutex.h>
#include <linux/nospec.h>
#include <net/mac80211.h>
#include "bh.h"
#include "data_tx.h"
#include "main.h"
#include "queue.h"
#include "secure_link.h"
#include "sta.h"
#include "scan.h"
#include "hif_tx.h"
#include "hif_api_general.h"
#define USEC_PER_TXOP 32 // see struct ieee80211_tx_queue_params
#define USEC_PER_TU 1024
struct hwbus_ops;
struct wfx_dev {
struct wfx_platform_data pdata;
struct device *dev;
struct ieee80211_hw *hw;
struct ieee80211_vif *vif[2];
struct mac_address addresses[2];
const struct hwbus_ops *hwbus_ops;
void *hwbus_priv;
u8 keyset;
struct completion firmware_ready;
struct hif_ind_startup hw_caps;
struct wfx_hif hif;
struct sl_context sl;
int chip_frozen;
struct mutex conf_mutex;
struct wfx_hif_cmd hif_cmd;
struct wfx_queue tx_queue[4];
struct sk_buff_head tx_pending;
wait_queue_head_t tx_dequeue;
atomic_t tx_lock;
atomic_t packet_id;
u32 key_map;
struct hif_req_add_key keys[MAX_KEY_ENTRIES];
struct hif_rx_stats rx_stats;
struct mutex rx_stats_lock;
};
struct wfx_vif {
struct wfx_dev *wdev;
struct ieee80211_vif *vif;
struct ieee80211_channel *channel;
int id;
enum wfx_state state;
int bss_loss_state;
u32 bss_loss_confirm_id;
struct mutex bss_loss_lock;
struct delayed_work bss_loss_work;
u32 link_id_map;
bool after_dtim_tx_allowed;
struct wfx_grp_addr_table mcast_filter;
s8 wep_default_key_id;
struct sk_buff *wep_pending_skb;
struct work_struct wep_key_work;
struct tx_policy_cache tx_policy_cache;
struct work_struct tx_policy_upload_work;
struct work_struct update_tim_work;
bool filter_bssid;
bool fwd_probe_req;
bool filter_beacon;
unsigned long uapsd_mask;
struct hif_req_set_bss_params bss_params;
struct work_struct bss_params_work;
int join_complete_status;
/* avoid some operations in parallel with scan */
struct mutex scan_lock;
struct work_struct scan_work;
struct completion scan_complete;
bool scan_abort;
struct ieee80211_scan_request *scan_req;
struct completion set_pm_mode_complete;
struct list_head event_queue;
spinlock_t event_queue_lock;
struct work_struct event_handler_work;
};
static inline struct wfx_vif *wdev_to_wvif(struct wfx_dev *wdev, int vif_id)
{
if (vif_id >= ARRAY_SIZE(wdev->vif)) {
dev_dbg(wdev->dev, "requesting non-existent vif: %d\n", vif_id);
return NULL;
}
vif_id = array_index_nospec(vif_id, ARRAY_SIZE(wdev->vif));
if (!wdev->vif[vif_id]) {
dev_dbg(wdev->dev, "requesting non-allocated vif: %d\n",
vif_id);
return NULL;
}
return (struct wfx_vif *) wdev->vif[vif_id]->drv_priv;
}
static inline struct wfx_vif *wvif_iterate(struct wfx_dev *wdev,
struct wfx_vif *cur)
{
int i;
int mark = 0;
struct wfx_vif *tmp;
if (!cur)
mark = 1;
for (i = 0; i < ARRAY_SIZE(wdev->vif); i++) {
tmp = wdev_to_wvif(wdev, i);
if (mark && tmp)
return tmp;
if (tmp == cur)
mark = 1;
}
return NULL;
}
static inline int wvif_count(struct wfx_dev *wdev)
{
int i;
int ret = 0;
struct wfx_vif *wvif;
for (i = 0; i < ARRAY_SIZE(wdev->vif); i++) {
wvif = wdev_to_wvif(wdev, i);
if (wvif)
ret++;
}
return ret;
}
static inline void memreverse(u8 *src, u8 length)
{
u8 *lo = src;
u8 *hi = src + length - 1;
u8 swap;
while (lo < hi) {
swap = *lo;
*lo++ = *hi;
*hi-- = swap;
}
}
static inline int memzcmp(void *src, unsigned int size)
{
u8 *buf = src;
if (!size)
return 0;
if (*buf)
return 1;
return memcmp(buf, buf + 1, size - 1);
}
#endif /* WFX_H */
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