--- /dev/null
+/*
+ * This file is part of wl1271
+ *
+ * Copyright (C) 2009 Nokia Corporation
+ *
+ * Contact: Kalle Valo <kalle.valo@nokia.com>
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ *
+ */
+
+#ifndef __WL1271_TX_H__
+#define __WL1271_TX_H__
+
+#define TX_HW_BLOCK_SPARE 2
+#define TX_HW_BLOCK_SHIFT_DIV 8
+
+#define TX_HW_MGMT_PKT_LIFETIME_TU 2000
+/* The chipset reference driver states, that the "aid" value 1
+ * is for infra-BSS, but is still always used */
+#define TX_HW_DEFAULT_AID 1
+
+#define TX_HW_ATTR_SAVE_RETRIES BIT(0)
+#define TX_HW_ATTR_HEADER_PAD BIT(1)
+#define TX_HW_ATTR_SESSION_COUNTER (BIT(2) | BIT(3) | BIT(4))
+#define TX_HW_ATTR_RATE_POLICY (BIT(5) | BIT(6) | BIT(7) | \
+ BIT(8) | BIT(9))
+#define TX_HW_ATTR_LAST_WORD_PAD (BIT(10) | BIT(11))
+#define TX_HW_ATTR_TX_CMPLT_REQ BIT(12)
+
+#define TX_HW_ATTR_OFST_SAVE_RETRIES 0
+#define TX_HW_ATTR_OFST_HEADER_PAD 1
+#define TX_HW_ATTR_OFST_SESSION_COUNTER 2
+#define TX_HW_ATTR_OFST_RATE_POLICY 5
+#define TX_HW_ATTR_OFST_LAST_WORD_PAD 10
+#define TX_HW_ATTR_OFST_TX_CMPLT_REQ 12
+
+#define TX_HW_RESULT_QUEUE_LEN 16
+#define TX_HW_RESULT_QUEUE_LEN_MASK 0xf
+
+#define WL1271_TX_ALIGN_TO 4
+#define WL1271_TX_ALIGN(len) (((len) + WL1271_TX_ALIGN_TO - 1) & \
+ ~(WL1271_TX_ALIGN_TO - 1))
+#define WL1271_TKIP_IV_SPACE 4
+
+struct wl1271_tx_hw_descr {
+ /* Length of packet in words, including descriptor+header+data */
+ u16 length;
+ /* Number of extra memory blocks to allocate for this packet in
+ addition to the number of blocks derived from the packet length */
+ u8 extra_mem_blocks;
+ /* Total number of memory blocks allocated by the host for this packet.
+ Must be equal or greater than the actual blocks number allocated by
+ HW!! */
+ u8 total_mem_blocks;
+ /* Device time (in us) when the packet arrived to the driver */
+ u32 start_time;
+ /* Max delay in TUs until transmission. The last device time the
+ packet can be transmitted is: startTime+(1024*LifeTime) */
+ u16 life_time;
+ /* Bitwise fields - see TX_ATTR... definitions above. */
+ u16 tx_attr;
+ /* Packet identifier used also in the Tx-Result. */
+ u8 id;
+ /* The packet TID value (as User-Priority) */
+ u8 tid;
+ /* Identifier of the remote STA in IBSS, 1 in infra-BSS */
+ u8 aid;
+ u8 reserved;
+} __attribute__ ((packed));
+
+enum wl1271_tx_hw_res_status {
+ TX_SUCCESS = 0,
+ TX_HW_ERROR = 1,
+ TX_DISABLED = 2,
+ TX_RETRY_EXCEEDED = 3,
+ TX_TIMEOUT = 4,
+ TX_KEY_NOT_FOUND = 5,
+ TX_PEER_NOT_FOUND = 6,
+ TX_SESSION_MISMATCH = 7
+};
+
+struct wl1271_tx_hw_res_descr {
+ /* Packet Identifier - same value used in the Tx descriptor.*/
+ u8 id;
+ /* The status of the transmission, indicating success or one of
+ several possible reasons for failure. */
+ u8 status;
+ /* Total air access duration including all retrys and overheads.*/
+ u16 medium_usage;
+ /* The time passed from host xfer to Tx-complete.*/
+ u32 fw_handling_time;
+ /* Total media delay
+ (from 1st EDCA AIFS counter until TX Complete). */
+ u32 medium_delay;
+ /* LS-byte of last TKIP seq-num (saved per AC for recovery). */
+ u8 lsb_security_sequence_number;
+ /* Retry count - number of transmissions without successful ACK.*/
+ u8 ack_failures;
+ /* The rate that succeeded getting ACK
+ (Valid only if status=SUCCESS). */
+ u8 rate_class_index;
+ /* for 4-byte alignment. */
+ u8 spare;
+} __attribute__ ((packed));
+
+struct wl1271_tx_hw_res_if {
+ u32 tx_result_fw_counter;
+ u32 tx_result_host_counter;
+ struct wl1271_tx_hw_res_descr tx_results_queue[TX_HW_RESULT_QUEUE_LEN];
+} __attribute__ ((packed));
+
+void wl1271_tx_work(struct work_struct *work);
+void wl1271_tx_complete(struct wl1271 *wl, u32 count);
+void wl1271_tx_flush(struct wl1271 *wl);
+
+#endif
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