| /* 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; |
| int usage_count; |
| u8 rates[12]; |
| bool 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_policy_upload_work(struct work_struct *work); |
| |
| 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 */ |