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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /drivers/net/wireless/st/cw1200/txrx.h | |
parent | Initial commit. (diff) | |
download | linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.tar.xz linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.zip |
Adding upstream version 5.10.209.upstream/5.10.209
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/net/wireless/st/cw1200/txrx.h')
-rw-r--r-- | drivers/net/wireless/st/cw1200/txrx.h | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/drivers/net/wireless/st/cw1200/txrx.h b/drivers/net/wireless/st/cw1200/txrx.h new file mode 100644 index 000000000..8b87e0746 --- /dev/null +++ b/drivers/net/wireless/st/cw1200/txrx.h @@ -0,0 +1,103 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Datapath interface for ST-Ericsson CW1200 mac80211 drivers + * + * Copyright (c) 2010, ST-Ericsson + * Author: Dmitry Tarnyagin <dmitry.tarnyagin@lockless.no> + */ + +#ifndef CW1200_TXRX_H +#define CW1200_TXRX_H + +#include <linux/list.h> + +/* extern */ struct ieee80211_hw; +/* extern */ struct sk_buff; +/* extern */ struct wsm_tx; +/* extern */ struct wsm_rx; +/* extern */ struct wsm_tx_confirm; +/* extern */ struct cw1200_txpriv; + +struct tx_policy { + union { + __le32 tbl[3]; + u8 raw[12]; + }; + u8 defined; + u8 usage_count; + u8 retry_count; + u8 uploaded; +}; + +struct tx_policy_cache_entry { + struct tx_policy policy; + struct list_head link; +}; + +#define TX_POLICY_CACHE_SIZE (8) +struct tx_policy_cache { + struct tx_policy_cache_entry cache[TX_POLICY_CACHE_SIZE]; + struct list_head used; + struct list_head free; + spinlock_t lock; /* Protect policy cache */ +}; + +/* ******************************************************************** */ +/* TX policy cache */ +/* Intention of TX policy cache is an overcomplicated WSM API. + * Device does not accept per-PDU tx retry sequence. + * It uses "tx retry policy id" instead, so driver code has to sync + * linux tx retry sequences with a retry policy table in the device. + */ +void tx_policy_init(struct cw1200_common *priv); +void tx_policy_upload_work(struct work_struct *work); +void tx_policy_clean(struct cw1200_common *priv); + +/* ******************************************************************** */ +/* TX implementation */ + +u32 cw1200_rate_mask_to_wsm(struct cw1200_common *priv, + u32 rates); +void cw1200_tx(struct ieee80211_hw *dev, + struct ieee80211_tx_control *control, + struct sk_buff *skb); +void cw1200_skb_dtor(struct cw1200_common *priv, + struct sk_buff *skb, + const struct cw1200_txpriv *txpriv); + +/* ******************************************************************** */ +/* WSM callbacks */ + +void cw1200_tx_confirm_cb(struct cw1200_common *priv, + int link_id, + struct wsm_tx_confirm *arg); +void cw1200_rx_cb(struct cw1200_common *priv, + struct wsm_rx *arg, + int link_id, + struct sk_buff **skb_p); + +/* ******************************************************************** */ +/* Timeout */ + +void cw1200_tx_timeout(struct work_struct *work); + +/* ******************************************************************** */ +/* Security */ +int cw1200_alloc_key(struct cw1200_common *priv); +void cw1200_free_key(struct cw1200_common *priv, int idx); +void cw1200_free_keys(struct cw1200_common *priv); +int cw1200_upload_keys(struct cw1200_common *priv); + +/* ******************************************************************** */ +/* Workaround for WFD test case 6.1.10 */ +void cw1200_link_id_reset(struct work_struct *work); + +#define CW1200_LINK_ID_GC_TIMEOUT ((unsigned long)(10 * HZ)) + +int cw1200_find_link_id(struct cw1200_common *priv, const u8 *mac); +int cw1200_alloc_link_id(struct cw1200_common *priv, const u8 *mac); +void cw1200_link_id_work(struct work_struct *work); +void cw1200_link_id_gc_work(struct work_struct *work); + + +#endif /* CW1200_TXRX_H */ |