diff options
Diffstat (limited to 'drivers/staging/wfx/data_tx.h')
-rw-r--r-- | drivers/staging/wfx/data_tx.h | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/drivers/staging/wfx/data_tx.h b/drivers/staging/wfx/data_tx.h new file mode 100644 index 000000000000..29faa5640516 --- /dev/null +++ b/drivers/staging/wfx/data_tx.h @@ -0,0 +1,93 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Datapath implementation. + * + * Copyright (c) 2017-2019, Silicon Laboratories, Inc. + * Copyright (c) 2010, ST-Ericsson + */ +#ifndef WFX_DATA_TX_H +#define WFX_DATA_TX_H + +#include <linux/list.h> +#include <net/mac80211.h> + +#include "hif_api_cmd.h" +#include "hif_api_mib.h" + +// FIXME: use IEEE80211_NUM_TIDS +#define WFX_MAX_TID 8 + +struct wfx_tx_priv; +struct wfx_dev; +struct wfx_vif; + +enum wfx_link_status { + WFX_LINK_OFF, + WFX_LINK_RESERVE, + WFX_LINK_SOFT, + WFX_LINK_HARD, +}; + +struct wfx_link_entry { + unsigned long timestamp; + enum wfx_link_status status; + u8 mac[ETH_ALEN]; + u8 old_mac[ETH_ALEN]; + u8 buffered[WFX_MAX_TID]; + struct sk_buff_head rx_queue; +}; + +struct tx_policy { + struct list_head link; + u8 rates[12]; + u8 usage_count; + u8 uploaded; +}; + +struct tx_policy_cache { + struct tx_policy cache[HIF_MIB_NUM_TX_RATE_RETRY_POLICIES]; + // FIXME: use a trees and drop hash from tx_policy + struct list_head used; + struct list_head free; + spinlock_t lock; +}; + +struct wfx_tx_priv { + ktime_t xmit_timestamp; + struct ieee80211_key_conf *hw_key; + u8 link_id; + u8 raw_link_id; + u8 tid; +} __packed; + +void wfx_tx_policy_init(struct wfx_vif *wvif); + +void wfx_tx(struct ieee80211_hw *hw, struct ieee80211_tx_control *control, + struct sk_buff *skb); +void wfx_tx_confirm_cb(struct wfx_vif *wvif, struct hif_cnf_tx *arg); +void wfx_skb_dtor(struct wfx_dev *wdev, struct sk_buff *skb); + +int wfx_unmap_link(struct wfx_vif *wvif, int link_id); +void wfx_link_id_work(struct work_struct *work); +void wfx_link_id_gc_work(struct work_struct *work); +int wfx_find_link_id(struct wfx_vif *wvif, const u8 *mac); + +static inline struct wfx_tx_priv *wfx_skb_tx_priv(struct sk_buff *skb) +{ + struct ieee80211_tx_info *tx_info; + + if (!skb) + return NULL; + tx_info = IEEE80211_SKB_CB(skb); + return (struct wfx_tx_priv *)tx_info->rate_driver_data; +} + +static inline struct hif_req_tx *wfx_skb_txreq(struct sk_buff *skb) +{ + struct hif_msg *hif = (struct hif_msg *)skb->data; + struct hif_req_tx *req = (struct hif_req_tx *) hif->body; + + return req; +} + +#endif /* WFX_DATA_TX_H */ |