diff options
| author | Jérôme Pouiller <jerome.pouiller@silabs.com> | 2019-09-19 14:25:45 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-10-04 10:47:35 +0200 |
| commit | 9bca45f3d6924f19f29c0d019e961af3f41bdc9e (patch) | |
| tree | ad4801c513155558e7e636c734d15d2cce6214fd /drivers/staging/wfx/queue.h | |
| parent | f4a71ba8753d94cc5c1e73746352274a598a25ee (diff) | |
staging: wfx: allow to send 802.11 frames
Three things make this task more complex than it should:
- Chip necessitate to associate a link-id to each station. It is same
thing than association ID but, using 8 bits only.
- Rate policy is sent separately from Tx frames
- Driver try to handle itself power saving of stations and multicast
data
Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://lore.kernel.org/r/20190919142527.31797-17-Jerome.Pouiller@silabs.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/wfx/queue.h')
| -rw-r--r-- | drivers/staging/wfx/queue.h | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/drivers/staging/wfx/queue.h b/drivers/staging/wfx/queue.h new file mode 100644 index 000000000000..938dbf3469e7 --- /dev/null +++ b/drivers/staging/wfx/queue.h @@ -0,0 +1,59 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * O(1) TX queue with built-in allocator. + * + * Copyright (c) 2017-2018, Silicon Laboratories, Inc. + * Copyright (c) 2010, ST-Ericsson + */ +#ifndef WFX_QUEUE_H +#define WFX_QUEUE_H + +#include <linux/skbuff.h> + +#include "hif_api_cmd.h" + +#define WFX_MAX_STA_IN_AP_MODE 14 +#define WFX_LINK_ID_AFTER_DTIM (WFX_MAX_STA_IN_AP_MODE + 1) +#define WFX_LINK_ID_UAPSD (WFX_MAX_STA_IN_AP_MODE + 2) +#define WFX_LINK_ID_MAX (WFX_MAX_STA_IN_AP_MODE + 3) + +struct wfx_dev; +struct wfx_vif; + +struct wfx_queue { + struct sk_buff_head queue; + int tx_locked_cnt; + int link_map_cache[WFX_LINK_ID_MAX]; + u8 queue_id; +}; + +struct wfx_queue_stats { + int link_map_cache[WFX_LINK_ID_MAX]; + struct sk_buff_head pending; + wait_queue_head_t wait_link_id_empty; +}; + +void wfx_tx_lock(struct wfx_dev *wdev); +void wfx_tx_unlock(struct wfx_dev *wdev); +void wfx_tx_flush(struct wfx_dev *wdev); +void wfx_tx_lock_flush(struct wfx_dev *wdev); + +void wfx_tx_queues_init(struct wfx_dev *wdev); +void wfx_tx_queues_deinit(struct wfx_dev *wdev); +void wfx_tx_queues_lock(struct wfx_dev *wdev); +void wfx_tx_queues_unlock(struct wfx_dev *wdev); +void wfx_tx_queues_clear(struct wfx_dev *wdev); +bool wfx_tx_queues_is_empty(struct wfx_dev *wdev); +void wfx_tx_queues_wait_empty_vif(struct wfx_vif *wvif); +struct hif_msg *wfx_tx_queues_get(struct wfx_dev *wdev); + +void wfx_tx_queue_put(struct wfx_dev *wdev, struct wfx_queue *queue, struct sk_buff *skb); +size_t wfx_tx_queue_get_num_queued(struct wfx_queue *queue, u32 link_id_map); + +struct sk_buff *wfx_pending_get(struct wfx_dev *wdev, u32 packet_id); +int wfx_pending_remove(struct wfx_dev *wdev, struct sk_buff *skb); +int wfx_pending_requeue(struct wfx_dev *wdev, struct sk_buff *skb); +unsigned int wfx_pending_get_pkt_us_delay(struct wfx_dev *wdev, struct sk_buff *skb); +void wfx_pending_dump_old_frames(struct wfx_dev *wdev, unsigned int limit_ms); + +#endif /* WFX_QUEUE_H */ |