2b27bdcc20
Based on 1 normalized pattern(s): 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 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 246 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Alexios Zavras <alexios.zavras@intel.com> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190530000436.674189849@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
142 lines
3.5 KiB
C
142 lines
3.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* This file is part of wl1271
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*
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* Copyright (C) 1998-2009 Texas Instruments. All rights reserved.
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* Copyright (C) 2008-2009 Nokia Corporation
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*
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* Contact: Luciano Coelho <luciano.coelho@nokia.com>
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*/
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#ifndef __RX_H__
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#define __RX_H__
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#include <linux/bitops.h>
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#define WL1271_RX_MAX_RSSI -30
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#define WL1271_RX_MIN_RSSI -95
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#define RSSI_LEVEL_BITMASK 0x7F
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#define ANT_DIVERSITY_BITMASK BIT(7)
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#define SHORT_PREAMBLE_BIT BIT(0)
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#define OFDM_RATE_BIT BIT(6)
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#define PBCC_RATE_BIT BIT(7)
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#define PLCP_HEADER_LENGTH 8
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#define RX_DESC_PACKETID_SHIFT 11
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#define RX_MAX_PACKET_ID 3
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#define RX_DESC_VALID_FCS 0x0001
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#define RX_DESC_MATCH_RXADDR1 0x0002
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#define RX_DESC_MCAST 0x0004
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#define RX_DESC_STAINTIM 0x0008
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#define RX_DESC_VIRTUAL_BM 0x0010
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#define RX_DESC_BCAST 0x0020
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#define RX_DESC_MATCH_SSID 0x0040
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#define RX_DESC_MATCH_BSSID 0x0080
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#define RX_DESC_ENCRYPTION_MASK 0x0300
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#define RX_DESC_MEASURMENT 0x0400
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#define RX_DESC_SEQNUM_MASK 0x1800
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#define RX_DESC_MIC_FAIL 0x2000
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#define RX_DESC_DECRYPT_FAIL 0x4000
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/*
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* RX Descriptor flags:
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*
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* Bits 0-1 - band
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* Bit 2 - STBC
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* Bit 3 - A-MPDU
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* Bit 4 - HT
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* Bits 5-7 - encryption
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*/
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#define WL1271_RX_DESC_BAND_MASK 0x03
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#define WL1271_RX_DESC_ENCRYPT_MASK 0xE0
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#define WL1271_RX_DESC_BAND_BG 0x00
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#define WL1271_RX_DESC_BAND_J 0x01
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#define WL1271_RX_DESC_BAND_A 0x02
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#define WL1271_RX_DESC_STBC BIT(2)
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#define WL1271_RX_DESC_A_MPDU BIT(3)
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#define WL1271_RX_DESC_HT BIT(4)
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#define WL1271_RX_DESC_ENCRYPT_WEP 0x20
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#define WL1271_RX_DESC_ENCRYPT_TKIP 0x40
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#define WL1271_RX_DESC_ENCRYPT_AES 0x60
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#define WL1271_RX_DESC_ENCRYPT_GEM 0x80
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/*
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* RX Descriptor status
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*
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* Bits 0-2 - error code
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* Bits 3-5 - process_id tag (AP mode FW)
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* Bits 6-7 - reserved
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*/
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#define WL1271_RX_DESC_STATUS_MASK 0x07
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#define WL1271_RX_DESC_SUCCESS 0x00
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#define WL1271_RX_DESC_DECRYPT_FAIL 0x01
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#define WL1271_RX_DESC_MIC_FAIL 0x02
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#define RX_MEM_BLOCK_MASK 0xFF
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#define RX_BUF_SIZE_MASK 0xFFF00
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#define RX_BUF_SIZE_SHIFT_DIV 6
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#define ALIGNED_RX_BUF_SIZE_MASK 0xFFFF00
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#define ALIGNED_RX_BUF_SIZE_SHIFT 8
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/* If set, the start of IP payload is not 4 bytes aligned */
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#define RX_BUF_UNALIGNED_PAYLOAD BIT(20)
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/* If set, the buffer was padded by the FW to be 4 bytes aligned */
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#define RX_BUF_PADDED_PAYLOAD BIT(30)
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/*
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* Account for the padding inserted by the FW in case of RX_ALIGNMENT
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* or for fixing alignment in case the packet wasn't aligned.
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*/
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#define RX_BUF_ALIGN 2
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/* Describes the alignment state of a Rx buffer */
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enum wl_rx_buf_align {
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WLCORE_RX_BUF_ALIGNED,
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WLCORE_RX_BUF_UNALIGNED,
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WLCORE_RX_BUF_PADDED,
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};
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enum {
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WL12XX_RX_CLASS_UNKNOWN,
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WL12XX_RX_CLASS_MANAGEMENT,
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WL12XX_RX_CLASS_DATA,
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WL12XX_RX_CLASS_QOS_DATA,
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WL12XX_RX_CLASS_BCN_PRBRSP,
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WL12XX_RX_CLASS_EAPOL,
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WL12XX_RX_CLASS_BA_EVENT,
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WL12XX_RX_CLASS_AMSDU,
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WL12XX_RX_CLASS_LOGGER,
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};
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struct wl1271_rx_descriptor {
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__le16 length;
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u8 status;
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u8 flags;
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u8 rate;
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u8 channel;
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s8 rssi;
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u8 snr;
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__le32 timestamp;
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u8 packet_class;
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u8 hlid;
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u8 pad_len;
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u8 reserved;
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} __packed;
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int wlcore_rx(struct wl1271 *wl, struct wl_fw_status *status);
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u8 wl1271_rate_to_idx(int rate, enum nl80211_band band);
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int wl1271_rx_filter_enable(struct wl1271 *wl,
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int index, bool enable,
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struct wl12xx_rx_filter *filter);
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int wl1271_rx_filter_clear_all(struct wl1271 *wl);
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#endif
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