1 files changed, 106 insertions, 0 deletions

diff --git a/drivers/net/wireless/cw1200/txrx.h b/drivers/net/wireless/cw1200/txrx.h
new file mode 100644
index 000000000000..492a4e14213b
--- /dev/null
+++ b/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 */