diff options
Diffstat (limited to 'drivers/net/wireless/silabs/wfx/wfx.h')
| -rw-r--r-- | drivers/net/wireless/silabs/wfx/wfx.h | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/drivers/net/wireless/silabs/wfx/wfx.h b/drivers/net/wireless/silabs/wfx/wfx.h new file mode 100644 index 000000000000..13ba84b3b2c3 --- /dev/null +++ b/drivers/net/wireless/silabs/wfx/wfx.h @@ -0,0 +1,167 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Common private data. + * + * 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 wfx_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 wfx_hwbus_ops *hwbus_ops; + void *hwbus_priv; + + u8 keyset; + struct completion firmware_ready; + struct wfx_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 wfx_hif_rx_stats rx_stats; + struct mutex rx_stats_lock; + struct wfx_hif_tx_power_loop_info tx_power_loop_info; + struct mutex tx_power_loop_info_lock; + struct workqueue_struct *bh_wq; +}; + +struct wfx_vif { + struct wfx_dev *wdev; + 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 wfx_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; + int scan_nb_chan_done; + bool scan_abort; + struct ieee80211_scan_request *scan_req; + + struct completion set_pm_mode_complete; +}; + +static inline struct ieee80211_vif *wvif_to_vif(struct wfx_vif *wvif) +{ + return container_of((void *)wvif, struct ieee80211_vif, drv_priv); +} + +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]) + 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 |