Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / net / wireless / cw1200 / txrx.h

diff --git a/kernel/drivers/net/wireless/cw1200/txrx.h b/kernel/drivers/net/wireless/cw1200/txrx.h
new file mode 100644 (file)
index 0000000..492a4e1
--- /dev/null
+++ b/kernel/drivers/net/wireless/cw1200/txrx.h
@@ -0,0 +1,106 @@
+/*
+ * Datapath interface for ST-Ericsson CW1200 mac80211 drivers
+ *
+ * Copyright (c) 2010, ST-Ericsson
+ * Author: Dmitry Tarnyagin <dmitry.tarnyagin@lockless.no>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#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 */