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    Subject[PATCH 03/23] wfx: add wfx.h
    Date
    From: Jérôme Pouiller <jerome.pouiller@silabs.com>

    Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
    ---
    drivers/net/wireless/silabs/wfx/wfx.h | 166 ++++++++++++++++++++++++++
    1 file changed, 166 insertions(+)
    create mode 100644 drivers/net/wireless/silabs/wfx/wfx.h

    diff --git a/drivers/net/wireless/silabs/wfx/wfx.h b/drivers/net/wireless/silabs/wfx/wfx.h
    new file mode 100644
    index 000000000000..94898680ccde
    --- /dev/null
    +++ b/drivers/net/wireless/silabs/wfx/wfx.h
    @@ -0,0 +1,166 @@
    +/* SPDX-License-Identifier: GPL-2.0-only */
    +/*
    + * Common private data for Silicon Labs WFx chips.
    + *
    + * Copyright (c) 2017-2020, 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 "hif_tx.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 delayed_work cooling_timeout_work;
    + bool poll_irq;
    + bool chip_frozen;
    + struct mutex conf_mutex;
    +
    + struct wfx_hif_cmd hif_cmd;
    + 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_rx_stats rx_stats;
    + struct mutex rx_stats_lock;
    + struct hif_tx_power_loop_info tx_power_loop_info;
    + struct mutex tx_power_loop_info_lock;
    + int force_ps_timeout;
    +};
    +
    +struct wfx_vif {
    + struct wfx_dev *wdev;
    + struct ieee80211_vif *vif;
    + struct ieee80211_channel *channel;
    + int id;
    +
    + u32 link_id_map;
    +
    + bool after_dtim_tx_allowed;
    + bool join_in_progress;
    +
    + struct delayed_work beacon_loss_work;
    +
    + struct wfx_queue tx_queue[4];
    + struct tx_policy_cache tx_policy_cache;
    + struct work_struct tx_policy_upload_work;
    +
    + struct work_struct update_tim_work;
    +
    + unsigned long uapsd_mask;
    +
    + /* 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;
    +};
    +
    +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 */
    --
    2.28.0
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