| /* | |
| * 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 RSSI_LEVEL_BITMASK 0x7F | |
| #define ANT_DIVERSITY_BITMASK BIT(7) | |
| #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 nl80211_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 |