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103 lines
3.1 KiB
103 lines
3.1 KiB
/* SPDX-License-Identifier: GPL-2.0-only */ |
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/* |
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* Datapath interface for ST-Ericsson CW1200 mac80211 drivers |
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* |
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* Copyright (c) 2010, ST-Ericsson |
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* Author: Dmitry Tarnyagin <[email protected]> |
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*/ |
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#ifndef CW1200_TXRX_H |
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#define CW1200_TXRX_H |
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#include <linux/list.h> |
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/* extern */ struct ieee80211_hw; |
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/* extern */ struct sk_buff; |
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/* extern */ struct wsm_tx; |
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/* extern */ struct wsm_rx; |
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/* extern */ struct wsm_tx_confirm; |
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/* extern */ struct cw1200_txpriv; |
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struct tx_policy { |
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union { |
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__le32 tbl[3]; |
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u8 raw[12]; |
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}; |
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u8 defined; |
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u8 usage_count; |
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u8 retry_count; |
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u8 uploaded; |
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}; |
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struct tx_policy_cache_entry { |
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struct tx_policy policy; |
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struct list_head link; |
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}; |
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#define TX_POLICY_CACHE_SIZE (8) |
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struct tx_policy_cache { |
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struct tx_policy_cache_entry cache[TX_POLICY_CACHE_SIZE]; |
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struct list_head used; |
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struct list_head free; |
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spinlock_t lock; /* Protect policy cache */ |
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}; |
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/* ******************************************************************** */ |
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/* TX policy cache */ |
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/* Intention of TX policy cache is an overcomplicated WSM API. |
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* Device does not accept per-PDU tx retry sequence. |
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* It uses "tx retry policy id" instead, so driver code has to sync |
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* linux tx retry sequences with a retry policy table in the device. |
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*/ |
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void tx_policy_init(struct cw1200_common *priv); |
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void tx_policy_upload_work(struct work_struct *work); |
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void tx_policy_clean(struct cw1200_common *priv); |
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/* ******************************************************************** */ |
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/* TX implementation */ |
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u32 cw1200_rate_mask_to_wsm(struct cw1200_common *priv, |
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u32 rates); |
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void cw1200_tx(struct ieee80211_hw *dev, |
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struct ieee80211_tx_control *control, |
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struct sk_buff *skb); |
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void cw1200_skb_dtor(struct cw1200_common *priv, |
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struct sk_buff *skb, |
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const struct cw1200_txpriv *txpriv); |
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/* ******************************************************************** */ |
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/* WSM callbacks */ |
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void cw1200_tx_confirm_cb(struct cw1200_common *priv, |
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int link_id, |
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struct wsm_tx_confirm *arg); |
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void cw1200_rx_cb(struct cw1200_common *priv, |
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struct wsm_rx *arg, |
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int link_id, |
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struct sk_buff **skb_p); |
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/* ******************************************************************** */ |
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/* Timeout */ |
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void cw1200_tx_timeout(struct work_struct *work); |
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/* ******************************************************************** */ |
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/* Security */ |
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int cw1200_alloc_key(struct cw1200_common *priv); |
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void cw1200_free_key(struct cw1200_common *priv, int idx); |
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void cw1200_free_keys(struct cw1200_common *priv); |
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int cw1200_upload_keys(struct cw1200_common *priv); |
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/* ******************************************************************** */ |
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/* Workaround for WFD test case 6.1.10 */ |
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void cw1200_link_id_reset(struct work_struct *work); |
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#define CW1200_LINK_ID_GC_TIMEOUT ((unsigned long)(10 * HZ)) |
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int cw1200_find_link_id(struct cw1200_common *priv, const u8 *mac); |
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int cw1200_alloc_link_id(struct cw1200_common *priv, const u8 *mac); |
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void cw1200_link_id_work(struct work_struct *work); |
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void cw1200_link_id_gc_work(struct work_struct *work); |
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#endif /* CW1200_TXRX_H */
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