Maemo patchset 20101501+0m5
[h-e-n] / drivers / net / wireless / wl12xx / wl1271_rx.h
diff --git a/drivers/net/wireless/wl12xx/wl1271_rx.h b/drivers/net/wireless/wl12xx/wl1271_rx.h
new file mode 100644 (file)
index 0000000..593c5dd
--- /dev/null
@@ -0,0 +1,121 @@
+/*
+ * This file is part of wl1271
+ *
+ * Copyright (c) 1998-2007 Texas Instruments Incorporated
+ * Copyright (C) 2008 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_RX_H__
+#define __WL1271_RX_H__
+
+#include <linux/bitops.h>
+
+#define WL1271_RX_MAX_RSSI -30
+#define WL1271_RX_MIN_RSSI -95
+
+#define WL1271_RX_ALIGN_TO 4
+#define WL1271_RX_ALIGN(len) (((len) + WL1271_RX_ALIGN_TO - 1) & \
+                            ~(WL1271_RX_ALIGN_TO - 1))
+
+#define SHORT_PREAMBLE_BIT   BIT(0)
+#define OFDM_RATE_BIT        BIT(6)
+#define PBCC_RATE_BIT        BIT(7)
+
+#define PLCP_HEADER_LENGTH 8
+#define RX_DESC_PACKETID_SHIFT 11
+#define RX_MAX_PACKET_ID 3
+
+#define NUM_RX_PKT_DESC_MOD_MASK   7
+#define WL1271_RX_RATE_UNSUPPORTED 0xFF
+
+#define RX_DESC_VALID_FCS         0x0001
+#define RX_DESC_MATCH_RXADDR1     0x0002
+#define RX_DESC_MCAST             0x0004
+#define RX_DESC_STAINTIM          0x0008
+#define RX_DESC_VIRTUAL_BM        0x0010
+#define RX_DESC_BCAST             0x0020
+#define RX_DESC_MATCH_SSID        0x0040
+#define RX_DESC_MATCH_BSSID       0x0080
+#define RX_DESC_ENCRYPTION_MASK   0x0300
+#define RX_DESC_MEASURMENT        0x0400
+#define RX_DESC_SEQNUM_MASK       0x1800
+#define        RX_DESC_MIC_FAIL          0x2000
+#define        RX_DESC_DECRYPT_FAIL      0x4000
+
+/*
+ * RX Descriptor flags:
+ *
+ * Bits 0-1 - band
+ * Bit  2   - STBC
+ * Bit  3   - A-MPDU
+ * Bit  4   - HT
+ * Bits 5-7 - encryption
+ */
+#define WL1271_RX_DESC_BAND_MASK    0x03
+#define WL1271_RX_DESC_ENCRYPT_MASK 0xE0
+
+#define WL1271_RX_DESC_BAND_BG      0x00
+#define WL1271_RX_DESC_BAND_J       0x01
+#define WL1271_RX_DESC_BAND_A       0x02
+
+#define WL1271_RX_DESC_STBC         BIT(2)
+#define WL1271_RX_DESC_A_MPDU       BIT(3)
+#define WL1271_RX_DESC_HT           BIT(4)
+
+#define WL1271_RX_DESC_ENCRYPT_WEP  0x20
+#define WL1271_RX_DESC_ENCRYPT_TKIP 0x40
+#define WL1271_RX_DESC_ENCRYPT_AES  0x60
+#define WL1271_RX_DESC_ENCRYPT_GEM  0x80
+
+/*
+ * RX Descriptor status
+ *
+ * Bits 0-2 - status
+ * Bits 3-7 - reserved
+ */
+#define WL1271_RX_DESC_STATUS_MASK      0x07
+
+#define WL1271_RX_DESC_SUCCESS          0x00
+#define WL1271_RX_DESC_DECRYPT_FAIL     0x01
+#define WL1271_RX_DESC_MIC_FAIL         0x02
+#define WL1271_RX_DESC_DRIVER_RX_Q_FAIL 0x03
+
+#define RX_MEM_BLOCK_MASK     0xFF
+#define RX_BUF_SIZE_MASK      0xFFF00
+#define RX_BUF_SIZE_SHIFT_DIV 6
+
+struct wl1271_rx_descriptor {
+       u16 length;
+       u8  status;
+       u8  flags;
+       u8  rate;
+       u8  channel;
+       s8  rssi;
+       u8  snr;
+       u32 timestamp;
+       u8  packet_class;
+       u8  process_id;
+       u8  pad_len;
+       u8  reserved;
+} __attribute__ ((packed));
+
+void wl1271_rx(struct wl1271 *wl, struct wl1271_fw_status *status);
+
+#endif