--- /dev/null
+/*
+ * This file is part of wl1271
+ *
+ * Copyright (C) 1998-2009 Texas Instruments. All rights reserved.
+ * Copyright (C) 2008-2009 Nokia Corporation
+ *
+ * Contact: Luciano Coelho <luciano.coelho@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 __RX_H__
+#define __RX_H__
+
+#include <linux/bitops.h>
+
+#define WL1271_RX_MAX_RSSI -30
+#define WL1271_RX_MIN_RSSI -95
+
+#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 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 - error code
+ * Bits 3-5 - process_id tag (AP mode FW)
+ * Bits 6-7 - 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 RX_MEM_BLOCK_MASK 0xFF
+#define RX_BUF_SIZE_MASK 0xFFF00
+#define RX_BUF_SIZE_SHIFT_DIV 6
+#define ALIGNED_RX_BUF_SIZE_MASK 0xFFFF00
+#define ALIGNED_RX_BUF_SIZE_SHIFT 8
+
+/* If set, the start of IP payload is not 4 bytes aligned */
+#define RX_BUF_UNALIGNED_PAYLOAD BIT(20)
+
+/* If set, the buffer was padded by the FW to be 4 bytes aligned */
+#define RX_BUF_PADDED_PAYLOAD BIT(30)
+
+/*
+ * Account for the padding inserted by the FW in case of RX_ALIGNMENT
+ * or for fixing alignment in case the packet wasn't aligned.
+ */
+#define RX_BUF_ALIGN 2
+
+/* Describes the alignment state of a Rx buffer */
+enum wl_rx_buf_align {
+ WLCORE_RX_BUF_ALIGNED,
+ WLCORE_RX_BUF_UNALIGNED,
+ WLCORE_RX_BUF_PADDED,
+};
+
+enum {
+ WL12XX_RX_CLASS_UNKNOWN,
+ WL12XX_RX_CLASS_MANAGEMENT,
+ WL12XX_RX_CLASS_DATA,
+ WL12XX_RX_CLASS_QOS_DATA,
+ WL12XX_RX_CLASS_BCN_PRBRSP,
+ WL12XX_RX_CLASS_EAPOL,
+ WL12XX_RX_CLASS_BA_EVENT,
+ WL12XX_RX_CLASS_AMSDU,
+ WL12XX_RX_CLASS_LOGGER,
+};
+
+struct wl1271_rx_descriptor {
+ __le16 length;
+ u8 status;
+ u8 flags;
+ u8 rate;
+ u8 channel;
+ s8 rssi;
+ u8 snr;
+ __le32 timestamp;
+ u8 packet_class;
+ u8 hlid;
+ u8 pad_len;
+ u8 reserved;
+} __packed;
+
+int wlcore_rx(struct wl1271 *wl, struct wl_fw_status *status);
+u8 wl1271_rate_to_idx(int rate, enum ieee80211_band band);
+int wl1271_rx_filter_enable(struct wl1271 *wl,
+ int index, bool enable,
+ struct wl12xx_rx_filter *filter);
+int wl1271_rx_filter_clear_all(struct wl1271 *wl);
+
+#endif
Code Review / kvmfornfv.git / blobdiff