/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Common private data for Silicon Labs WFx chips.
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*
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* Copyright (c) 2017-2020, Silicon Laboratories, Inc.
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* Copyright (c) 2010, ST-Ericsson
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* Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
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* Copyright 2004-2006 Jean-Baptiste Note <jbnote@gmail.com>, et al.
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*/
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#ifndef WFX_H
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#define WFX_H
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#include <linux/completion.h>
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#include <linux/workqueue.h>
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#include <linux/mutex.h>
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#include <linux/nospec.h>
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#include <net/mac80211.h>
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#include "bh.h"
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#include "data_tx.h"
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#include "main.h"
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#include "queue.h"
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#include "hif_tx.h"
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#define USEC_PER_TXOP 32 // see struct ieee80211_tx_queue_params
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#define USEC_PER_TU 1024
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struct hwbus_ops;
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struct wfx_dev {
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struct wfx_platform_data pdata;
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struct device *dev;
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struct ieee80211_hw *hw;
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struct ieee80211_vif *vif[2];
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struct mac_address addresses[2];
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const struct hwbus_ops *hwbus_ops;
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void *hwbus_priv;
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u8 keyset;
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struct completion firmware_ready;
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struct hif_ind_startup hw_caps;
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struct wfx_hif hif;
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struct delayed_work cooling_timeout_work;
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bool poll_irq;
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bool chip_frozen;
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struct mutex conf_mutex;
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struct wfx_hif_cmd hif_cmd;
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struct sk_buff_head tx_pending;
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wait_queue_head_t tx_dequeue;
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atomic_t tx_lock;
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atomic_t packet_id;
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u32 key_map;
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struct hif_rx_stats rx_stats;
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struct mutex rx_stats_lock;
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struct hif_tx_power_loop_info tx_power_loop_info;
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struct mutex tx_power_loop_info_lock;
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int force_ps_timeout;
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};
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struct wfx_vif {
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struct wfx_dev *wdev;
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struct ieee80211_vif *vif;
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struct ieee80211_channel *channel;
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int id;
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u32 link_id_map;
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bool after_dtim_tx_allowed;
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bool join_in_progress;
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struct delayed_work beacon_loss_work;
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struct wfx_queue tx_queue[4];
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struct tx_policy_cache tx_policy_cache;
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struct work_struct tx_policy_upload_work;
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struct work_struct update_tim_work;
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unsigned long uapsd_mask;
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/* avoid some operations in parallel with scan */
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struct mutex scan_lock;
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struct work_struct scan_work;
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struct completion scan_complete;
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bool scan_abort;
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struct ieee80211_scan_request *scan_req;
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struct completion set_pm_mode_complete;
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};
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static inline struct wfx_vif *wdev_to_wvif(struct wfx_dev *wdev, int vif_id)
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{
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if (vif_id >= ARRAY_SIZE(wdev->vif)) {
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dev_dbg(wdev->dev, "requesting non-existent vif: %d\n", vif_id);
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return NULL;
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}
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vif_id = array_index_nospec(vif_id, ARRAY_SIZE(wdev->vif));
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if (!wdev->vif[vif_id]) {
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dev_dbg(wdev->dev, "requesting non-allocated vif: %d\n",
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vif_id);
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return NULL;
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}
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return (struct wfx_vif *) wdev->vif[vif_id]->drv_priv;
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}
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static inline struct wfx_vif *wvif_iterate(struct wfx_dev *wdev,
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struct wfx_vif *cur)
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{
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int i;
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int mark = 0;
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struct wfx_vif *tmp;
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if (!cur)
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mark = 1;
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for (i = 0; i < ARRAY_SIZE(wdev->vif); i++) {
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tmp = wdev_to_wvif(wdev, i);
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if (mark && tmp)
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return tmp;
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if (tmp == cur)
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mark = 1;
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}
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return NULL;
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}
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static inline int wvif_count(struct wfx_dev *wdev)
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{
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int i;
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int ret = 0;
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struct wfx_vif *wvif;
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for (i = 0; i < ARRAY_SIZE(wdev->vif); i++) {
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wvif = wdev_to_wvif(wdev, i);
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if (wvif)
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ret++;
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}
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return ret;
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}
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static inline void memreverse(u8 *src, u8 length)
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{
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u8 *lo = src;
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u8 *hi = src + length - 1;
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u8 swap;
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while (lo < hi) {
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swap = *lo;
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*lo++ = *hi;
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*hi-- = swap;
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}
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}
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static inline int memzcmp(void *src, unsigned int size)
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{
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u8 *buf = src;
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if (!size)
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return 0;
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if (*buf)
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return 1;
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return memcmp(buf, buf + 1, size - 1);
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}
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#endif /* WFX_H */
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