2009-06-13 13:38:31 +02:00
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/*
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* Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
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* All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* File: rxtx.c
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*
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* Purpose: handle WMAC/802.3/802.11 rx & tx functions
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*
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* Author: Lyndon Chen
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*
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* Date: May 20, 2003
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*
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* Functions:
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2010-03-29 15:41:47 +02:00
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* s_vGenerateTxParameter - Generate tx dma required parameter.
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2009-06-13 13:38:31 +02:00
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* csBeacon_xmit - beacon tx function
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* csMgmt_xmit - management tx function
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* s_uGetDataDuration - get tx data required duration
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* s_uFillDataHead- fulfill tx data duration header
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2010-03-29 15:41:47 +02:00
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* s_uGetRTSCTSDuration- get rtx/cts required duration
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2009-06-13 13:38:31 +02:00
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* s_uGetRTSCTSRsvTime- get rts/cts reserved time
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* s_uGetTxRsvTime- get frame reserved time
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* s_vFillCTSHead- fulfill CTS ctl header
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2010-03-29 15:41:47 +02:00
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* s_vFillFragParameter- Set fragment ctl parameter.
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2009-06-13 13:38:31 +02:00
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* s_vFillRTSHead- fulfill RTS ctl header
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* vDMA0_tx_80211- tx 802.11 frame via dma0
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* vGenerateFIFOHeader- Generate tx FIFO ctl header
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*
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* Revision History:
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*
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*/
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#include "device.h"
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#include "rxtx.h"
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#include "card.h"
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#include "mac.h"
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#include "rf.h"
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#include "usbpipe.h"
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2009-08-12 23:54:08 +02:00
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2010-10-30 00:15:26 +02:00
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static int msglevel = MSG_LEVEL_INFO;
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2009-06-13 13:38:31 +02:00
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2013-11-04 09:44:02 +01:00
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static const u16 wTimeStampOff[2][MAX_RATE] = {
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2009-06-13 13:38:31 +02:00
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{384, 288, 226, 209, 54, 43, 37, 31, 28, 25, 24, 23}, // Long Preamble
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{384, 192, 130, 113, 54, 43, 37, 31, 28, 25, 24, 23}, // Short Preamble
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};
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2013-11-04 09:44:02 +01:00
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static const u16 wFB_Opt0[2][5] = {
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2009-06-13 13:38:31 +02:00
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{RATE_12M, RATE_18M, RATE_24M, RATE_36M, RATE_48M}, // fallback_rate0
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{RATE_12M, RATE_12M, RATE_18M, RATE_24M, RATE_36M}, // fallback_rate1
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};
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2013-11-04 09:44:02 +01:00
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static const u16 wFB_Opt1[2][5] = {
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2009-06-13 13:38:31 +02:00
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{RATE_12M, RATE_18M, RATE_24M, RATE_24M, RATE_36M}, // fallback_rate0
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{RATE_6M , RATE_6M, RATE_12M, RATE_12M, RATE_18M}, // fallback_rate1
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};
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#define RTSDUR_BB 0
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#define RTSDUR_BA 1
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#define RTSDUR_AA 2
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#define CTSDUR_BA 3
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#define RTSDUR_BA_F0 4
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#define RTSDUR_AA_F0 5
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#define RTSDUR_BA_F1 6
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#define RTSDUR_AA_F1 7
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#define CTSDUR_BA_F0 8
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#define CTSDUR_BA_F1 9
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#define DATADUR_B 10
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#define DATADUR_A 11
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#define DATADUR_A_F0 12
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#define DATADUR_A_F1 13
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2013-11-26 20:16:59 +01:00
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static struct vnt_usb_send_context *s_vGetFreeContext(struct vnt_private *);
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2013-01-18 00:15:22 +01:00
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2014-05-31 14:34:57 +02:00
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static u16 s_vGenerateTxParameter(struct vnt_usb_send_context *tx_context,
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2013-09-17 20:58:11 +02:00
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u8 byPktType, u16 wCurrentRate, struct vnt_tx_buffer *tx_buffer,
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2013-09-26 20:00:41 +02:00
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struct vnt_mic_hdr **mic_hdr, u32 need_mic, u32 cbFrameSize,
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2014-07-10 20:56:02 +02:00
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int bNeedACK, bool need_rts);
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2013-01-18 00:15:22 +01:00
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static unsigned int s_uGetTxRsvTime(struct vnt_private *pDevice, u8 byPktType,
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u32 cbFrameLength, u16 wRate, int bNeedAck);
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2014-03-18 20:25:08 +01:00
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static __le16 s_uGetRTSCTSRsvTime(struct vnt_private *priv,
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2014-05-25 22:36:27 +02:00
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u8 rsv_type, u8 pkt_type, u32 frame_length, u16 current_rate);
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2013-01-18 00:15:22 +01:00
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2014-05-31 14:34:57 +02:00
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static u16 s_vFillCTSHead(struct vnt_usb_send_context *tx_context,
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2013-08-27 13:07:58 +02:00
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u8 byPktType, union vnt_tx_data_head *head, u32 cbFrameLength,
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2014-07-10 20:56:04 +02:00
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int bNeedAck, u16 wCurrentRate);
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2013-01-18 00:15:22 +01:00
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2014-05-31 14:34:57 +02:00
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static u16 s_vFillRTSHead(struct vnt_usb_send_context *tx_context, u8 byPktType,
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2013-08-27 13:07:58 +02:00
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union vnt_tx_data_head *head, u32 cbFrameLength, int bNeedAck,
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2014-07-10 20:56:04 +02:00
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u16 wCurrentRate);
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2013-01-18 00:15:22 +01:00
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2014-03-18 20:25:06 +01:00
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static __le16 s_uGetDataDuration(struct vnt_private *pDevice,
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2013-08-07 22:28:45 +02:00
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u8 byPktType, int bNeedAck);
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2013-01-18 00:15:22 +01:00
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2014-03-18 20:25:05 +01:00
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static __le16 s_uGetRTSCTSDuration(struct vnt_private *pDevice,
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2013-01-18 00:15:22 +01:00
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u8 byDurType, u32 cbFrameLength, u8 byPktType, u16 wRate,
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2014-07-10 20:56:04 +02:00
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int bNeedAck);
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2009-06-13 13:38:31 +02:00
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2013-11-26 20:06:35 +01:00
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static struct vnt_usb_send_context
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2013-11-26 20:16:59 +01:00
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*s_vGetFreeContext(struct vnt_private *priv)
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2009-06-13 13:38:31 +02:00
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{
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2013-11-26 20:16:59 +01:00
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struct vnt_usb_send_context *context = NULL;
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2013-01-18 00:15:22 +01:00
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int ii;
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2009-06-13 13:38:31 +02:00
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2013-11-26 20:16:59 +01:00
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DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"GetFreeContext()\n");
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for (ii = 0; ii < priv->cbTD; ii++) {
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if (!priv->apTD[ii])
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return NULL;
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context = priv->apTD[ii];
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2014-05-15 23:49:11 +02:00
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if (context->in_use == false) {
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context->in_use = true;
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memset(context->data, 0,
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2013-11-26 20:16:59 +01:00
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MAX_TOTAL_SIZE_WITH_ALL_HEADERS);
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2014-05-31 14:34:58 +02:00
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context->hdr = NULL;
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2013-11-26 20:16:59 +01:00
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return context;
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}
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}
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if (ii == priv->cbTD)
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DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"No Free Tx Context\n");
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2013-11-26 20:06:35 +01:00
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2013-11-26 20:12:38 +01:00
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return NULL;
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2009-06-13 13:38:31 +02:00
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}
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2014-03-18 20:25:03 +01:00
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static __le16 vnt_time_stamp_off(struct vnt_private *priv, u16 rate)
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2013-08-23 12:48:46 +02:00
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{
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return cpu_to_le16(wTimeStampOff[priv->byPreambleType % 2]
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[rate % MAX_RATE]);
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}
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2009-06-13 13:38:31 +02:00
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/*byPktType : PK_TYPE_11A 0
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PK_TYPE_11B 1
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PK_TYPE_11GB 2
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PK_TYPE_11GA 3
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*/
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2014-01-08 21:08:42 +01:00
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static u32 s_uGetTxRsvTime(struct vnt_private *priv, u8 pkt_type,
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u32 frame_length, u16 rate, int need_ack)
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2009-06-13 13:38:31 +02:00
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{
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2014-01-08 21:08:42 +01:00
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u32 data_time, ack_time;
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2009-06-13 13:38:31 +02:00
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2014-06-04 19:25:35 +02:00
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data_time = vnt_get_frame_time(priv->byPreambleType, pkt_type,
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2014-01-08 21:08:42 +01:00
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frame_length, rate);
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2009-06-13 13:38:31 +02:00
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2014-01-08 21:08:42 +01:00
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if (pkt_type == PK_TYPE_11B)
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2014-06-04 19:25:35 +02:00
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ack_time = vnt_get_frame_time(priv->byPreambleType, pkt_type,
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14, (u16)priv->byTopCCKBasicRate);
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2014-01-08 21:08:42 +01:00
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else
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2014-06-04 19:25:35 +02:00
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ack_time = vnt_get_frame_time(priv->byPreambleType, pkt_type,
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14, (u16)priv->byTopOFDMBasicRate);
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2014-01-08 21:08:42 +01:00
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if (need_ack)
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return data_time + priv->uSIFS + ack_time;
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return data_time;
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2009-06-13 13:38:31 +02:00
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}
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2014-03-18 20:25:07 +01:00
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static __le16 vnt_rxtx_rsvtime_le16(struct vnt_private *priv, u8 pkt_type,
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2013-08-23 12:32:26 +02:00
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u32 frame_length, u16 rate, int need_ack)
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{
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return cpu_to_le16((u16)s_uGetTxRsvTime(priv, pkt_type,
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frame_length, rate, need_ack));
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}
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2009-06-13 13:38:31 +02:00
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//byFreqType: 0=>5GHZ 1=>2.4GHZ
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2014-03-18 20:25:08 +01:00
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static __le16 s_uGetRTSCTSRsvTime(struct vnt_private *priv,
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2014-05-25 22:36:27 +02:00
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u8 rsv_type, u8 pkt_type, u32 frame_length, u16 current_rate)
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2009-06-13 13:38:31 +02:00
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{
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2014-01-08 21:13:29 +01:00
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u32 rrv_time, rts_time, cts_time, ack_time, data_time;
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2009-06-13 13:38:31 +02:00
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2014-01-08 21:13:29 +01:00
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rrv_time = rts_time = cts_time = ack_time = data_time = 0;
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2009-06-13 13:38:31 +02:00
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2014-06-04 19:25:35 +02:00
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data_time = vnt_get_frame_time(priv->byPreambleType, pkt_type,
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2014-05-25 22:36:27 +02:00
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frame_length, current_rate);
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2014-01-08 21:13:29 +01:00
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if (rsv_type == 0) {
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2014-06-04 19:25:35 +02:00
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rts_time = vnt_get_frame_time(priv->byPreambleType,
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2014-01-08 21:13:29 +01:00
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pkt_type, 20, priv->byTopCCKBasicRate);
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2014-06-04 19:25:35 +02:00
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cts_time = ack_time = vnt_get_frame_time(priv->byPreambleType,
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2014-01-08 21:13:29 +01:00
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pkt_type, 14, priv->byTopCCKBasicRate);
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} else if (rsv_type == 1) {
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2014-06-04 19:25:35 +02:00
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rts_time = vnt_get_frame_time(priv->byPreambleType,
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2014-01-08 21:13:29 +01:00
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pkt_type, 20, priv->byTopCCKBasicRate);
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2014-06-04 19:25:35 +02:00
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cts_time = vnt_get_frame_time(priv->byPreambleType, pkt_type,
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2014-01-08 21:13:29 +01:00
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14, priv->byTopCCKBasicRate);
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2014-06-04 19:25:35 +02:00
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ack_time = vnt_get_frame_time(priv->byPreambleType, pkt_type,
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2014-01-08 21:13:29 +01:00
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14, priv->byTopOFDMBasicRate);
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} else if (rsv_type == 2) {
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2014-06-04 19:25:35 +02:00
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rts_time = vnt_get_frame_time(priv->byPreambleType, pkt_type,
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2014-01-08 21:13:29 +01:00
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20, priv->byTopOFDMBasicRate);
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2014-06-04 19:25:35 +02:00
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cts_time = ack_time = vnt_get_frame_time(priv->byPreambleType,
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2014-01-08 21:13:29 +01:00
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pkt_type, 14, priv->byTopOFDMBasicRate);
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} else if (rsv_type == 3) {
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2014-06-04 19:25:35 +02:00
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cts_time = vnt_get_frame_time(priv->byPreambleType, pkt_type,
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2014-01-08 21:13:29 +01:00
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14, priv->byTopCCKBasicRate);
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2014-06-04 19:25:35 +02:00
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ack_time = vnt_get_frame_time(priv->byPreambleType, pkt_type,
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2014-01-08 21:13:29 +01:00
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14, priv->byTopOFDMBasicRate);
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rrv_time = cts_time + ack_time + data_time + 2 * priv->uSIFS;
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2014-03-18 20:25:08 +01:00
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return cpu_to_le16((u16)rrv_time);
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2014-01-08 21:13:29 +01:00
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}
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rrv_time = rts_time + cts_time + ack_time + data_time + 3 * priv->uSIFS;
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2009-06-13 13:38:31 +02:00
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2014-01-08 21:13:29 +01:00
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return cpu_to_le16((u16)rrv_time);
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2009-06-13 13:38:31 +02:00
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}
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//byFreqType 0: 5GHz, 1:2.4Ghz
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2014-03-18 20:25:06 +01:00
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static __le16 s_uGetDataDuration(struct vnt_private *pDevice,
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2013-08-21 23:16:04 +02:00
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u8 byPktType, int bNeedAck)
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2009-06-13 13:38:31 +02:00
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{
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2013-08-07 22:26:12 +02:00
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u32 uAckTime = 0;
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2009-06-13 13:38:31 +02:00
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2013-08-13 20:59:31 +02:00
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if (bNeedAck) {
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2013-08-21 23:16:04 +02:00
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if (byPktType == PK_TYPE_11B)
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2014-06-04 19:25:35 +02:00
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uAckTime = vnt_get_frame_time(pDevice->byPreambleType,
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2013-08-13 20:59:31 +02:00
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byPktType, 14, pDevice->byTopCCKBasicRate);
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else
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2014-06-04 19:25:35 +02:00
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uAckTime = vnt_get_frame_time(pDevice->byPreambleType,
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2013-08-13 20:59:31 +02:00
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byPktType, 14, pDevice->byTopOFDMBasicRate);
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2013-08-21 22:58:37 +02:00
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return cpu_to_le16((u16)(pDevice->uSIFS + uAckTime));
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2013-08-13 20:59:31 +02:00
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}
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2009-06-13 13:38:31 +02:00
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return 0;
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}
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//byFreqType: 0=>5GHZ 1=>2.4GHZ
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2014-03-18 20:25:05 +01:00
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static __le16 s_uGetRTSCTSDuration(struct vnt_private *pDevice, u8 byDurType,
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2014-07-10 20:56:04 +02:00
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u32 cbFrameLength, u8 byPktType, u16 wRate, int bNeedAck)
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2009-06-13 13:38:31 +02:00
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{
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2013-01-18 00:15:22 +01:00
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u32 uCTSTime = 0, uDurTime = 0;
|
2009-06-13 13:38:31 +02:00
|
|
|
|
2013-10-15 22:05:02 +02:00
|
|
|
switch (byDurType) {
|
|
|
|
case RTSDUR_BB:
|
|
|
|
case RTSDUR_BA:
|
|
|
|
case RTSDUR_BA_F0:
|
|
|
|
case RTSDUR_BA_F1:
|
2014-06-04 19:25:35 +02:00
|
|
|
uCTSTime = vnt_get_frame_time(pDevice->byPreambleType,
|
|
|
|
byPktType, 14, pDevice->byTopCCKBasicRate);
|
2013-10-15 22:05:02 +02:00
|
|
|
uDurTime = uCTSTime + 2 * pDevice->uSIFS +
|
|
|
|
s_uGetTxRsvTime(pDevice, byPktType,
|
|
|
|
cbFrameLength, wRate, bNeedAck);
|
|
|
|
break;
|
2009-06-13 13:38:31 +02:00
|
|
|
|
2013-10-15 22:05:02 +02:00
|
|
|
case RTSDUR_AA:
|
|
|
|
case RTSDUR_AA_F0:
|
|
|
|
case RTSDUR_AA_F1:
|
2014-06-04 19:25:35 +02:00
|
|
|
uCTSTime = vnt_get_frame_time(pDevice->byPreambleType,
|
|
|
|
byPktType, 14, pDevice->byTopOFDMBasicRate);
|
2013-10-15 22:05:02 +02:00
|
|
|
uDurTime = uCTSTime + 2 * pDevice->uSIFS +
|
|
|
|
s_uGetTxRsvTime(pDevice, byPktType,
|
|
|
|
cbFrameLength, wRate, bNeedAck);
|
|
|
|
break;
|
2009-06-13 13:38:31 +02:00
|
|
|
|
2013-10-15 22:05:02 +02:00
|
|
|
case CTSDUR_BA:
|
|
|
|
case CTSDUR_BA_F0:
|
|
|
|
case CTSDUR_BA_F1:
|
|
|
|
uDurTime = pDevice->uSIFS + s_uGetTxRsvTime(pDevice,
|
2013-10-15 22:00:09 +02:00
|
|
|
byPktType, cbFrameLength, wRate, bNeedAck);
|
2013-10-15 22:05:02 +02:00
|
|
|
break;
|
2009-06-13 13:38:31 +02:00
|
|
|
|
2013-10-15 22:05:02 +02:00
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
2009-06-13 13:38:31 +02:00
|
|
|
|
2013-08-13 21:17:11 +02:00
|
|
|
return cpu_to_le16((u16)uDurTime);
|
2009-06-13 13:38:31 +02:00
|
|
|
}
|
|
|
|
|
2014-05-31 14:34:58 +02:00
|
|
|
static u16 vnt_mac_hdr_pos(struct vnt_usb_send_context *tx_context,
|
|
|
|
struct ieee80211_hdr *hdr)
|
|
|
|
{
|
|
|
|
u8 *head = tx_context->data + offsetof(struct vnt_tx_buffer, fifo_head);
|
|
|
|
u8 *hdr_pos = (u8 *)hdr;
|
|
|
|
|
|
|
|
tx_context->hdr = hdr;
|
|
|
|
if (!tx_context->hdr)
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
return (u16)(hdr_pos - head);
|
|
|
|
}
|
|
|
|
|
2014-05-31 14:34:57 +02:00
|
|
|
static u16 vnt_rxtx_datahead_g(struct vnt_usb_send_context *tx_context,
|
|
|
|
u8 pkt_type, u16 rate, struct vnt_tx_datahead_g *buf,
|
|
|
|
u32 frame_len, int need_ack)
|
2013-10-01 16:52:16 +02:00
|
|
|
{
|
2014-05-31 14:34:57 +02:00
|
|
|
|
|
|
|
struct vnt_private *priv = tx_context->priv;
|
2014-06-25 22:14:38 +02:00
|
|
|
struct ieee80211_hdr *hdr =
|
|
|
|
(struct ieee80211_hdr *)tx_context->skb->data;
|
2014-05-31 14:34:57 +02:00
|
|
|
|
2013-10-01 16:52:16 +02:00
|
|
|
/* Get SignalField,ServiceField,Length */
|
2014-06-04 19:25:34 +02:00
|
|
|
vnt_get_phy_field(priv, frame_len, rate, pkt_type, &buf->a);
|
|
|
|
vnt_get_phy_field(priv, frame_len, priv->byTopCCKBasicRate,
|
2013-10-01 16:52:16 +02:00
|
|
|
PK_TYPE_11B, &buf->b);
|
|
|
|
|
|
|
|
/* Get Duration and TimeStamp */
|
2014-06-25 22:14:38 +02:00
|
|
|
if (ieee80211_is_pspoll(hdr->frame_control)) {
|
|
|
|
__le16 dur = cpu_to_le16(priv->current_aid | BIT(14) | BIT(15));
|
|
|
|
|
|
|
|
buf->duration_a = dur;
|
|
|
|
buf->duration_b = dur;
|
|
|
|
} else {
|
|
|
|
buf->duration_a = s_uGetDataDuration(priv, pkt_type, need_ack);
|
|
|
|
buf->duration_b = s_uGetDataDuration(priv,
|
|
|
|
PK_TYPE_11B, need_ack);
|
|
|
|
}
|
2013-10-01 16:52:16 +02:00
|
|
|
|
2014-03-18 20:25:01 +01:00
|
|
|
buf->time_stamp_off_a = vnt_time_stamp_off(priv, rate);
|
|
|
|
buf->time_stamp_off_b = vnt_time_stamp_off(priv,
|
2013-10-01 16:52:16 +02:00
|
|
|
priv->byTopCCKBasicRate);
|
|
|
|
|
2014-05-31 14:34:58 +02:00
|
|
|
tx_context->tx_hdr_size = vnt_mac_hdr_pos(tx_context, &buf->hdr);
|
|
|
|
|
2014-03-18 20:25:04 +01:00
|
|
|
return le16_to_cpu(buf->duration_a);
|
2013-10-01 16:52:16 +02:00
|
|
|
}
|
|
|
|
|
2014-05-31 14:34:57 +02:00
|
|
|
static u16 vnt_rxtx_datahead_g_fb(struct vnt_usb_send_context *tx_context,
|
|
|
|
u8 pkt_type, u16 rate, struct vnt_tx_datahead_g_fb *buf,
|
2013-10-01 16:54:56 +02:00
|
|
|
u32 frame_len, int need_ack)
|
|
|
|
{
|
2014-05-31 14:34:57 +02:00
|
|
|
struct vnt_private *priv = tx_context->priv;
|
|
|
|
|
2013-10-01 16:54:56 +02:00
|
|
|
/* Get SignalField,ServiceField,Length */
|
2014-06-04 19:25:34 +02:00
|
|
|
vnt_get_phy_field(priv, frame_len, rate, pkt_type, &buf->a);
|
2013-10-01 16:54:56 +02:00
|
|
|
|
2014-06-04 19:25:34 +02:00
|
|
|
vnt_get_phy_field(priv, frame_len, priv->byTopCCKBasicRate,
|
2013-10-01 16:54:56 +02:00
|
|
|
PK_TYPE_11B, &buf->b);
|
|
|
|
|
|
|
|
/* Get Duration and TimeStamp */
|
2014-03-18 20:24:55 +01:00
|
|
|
buf->duration_a = s_uGetDataDuration(priv, pkt_type, need_ack);
|
|
|
|
buf->duration_b = s_uGetDataDuration(priv, PK_TYPE_11B, need_ack);
|
2013-10-01 16:54:56 +02:00
|
|
|
|
2014-03-18 20:24:55 +01:00
|
|
|
buf->duration_a_f0 = s_uGetDataDuration(priv, pkt_type, need_ack);
|
|
|
|
buf->duration_a_f1 = s_uGetDataDuration(priv, pkt_type, need_ack);
|
2013-10-01 16:54:56 +02:00
|
|
|
|
2014-03-18 20:25:01 +01:00
|
|
|
buf->time_stamp_off_a = vnt_time_stamp_off(priv, rate);
|
|
|
|
buf->time_stamp_off_b = vnt_time_stamp_off(priv,
|
2013-10-01 16:54:56 +02:00
|
|
|
priv->byTopCCKBasicRate);
|
|
|
|
|
2014-05-31 14:34:58 +02:00
|
|
|
tx_context->tx_hdr_size = vnt_mac_hdr_pos(tx_context, &buf->hdr);
|
|
|
|
|
2014-03-18 20:25:04 +01:00
|
|
|
return le16_to_cpu(buf->duration_a);
|
2013-10-01 16:54:56 +02:00
|
|
|
}
|
|
|
|
|
2014-05-31 14:34:57 +02:00
|
|
|
static u16 vnt_rxtx_datahead_a_fb(struct vnt_usb_send_context *tx_context,
|
|
|
|
u8 pkt_type, u16 rate, struct vnt_tx_datahead_a_fb *buf,
|
2013-10-01 16:56:48 +02:00
|
|
|
u32 frame_len, int need_ack)
|
|
|
|
{
|
2014-05-31 14:34:57 +02:00
|
|
|
struct vnt_private *priv = tx_context->priv;
|
|
|
|
|
2013-10-01 16:56:48 +02:00
|
|
|
/* Get SignalField,ServiceField,Length */
|
2014-06-04 19:25:34 +02:00
|
|
|
vnt_get_phy_field(priv, frame_len, rate, pkt_type, &buf->a);
|
2013-10-01 16:56:48 +02:00
|
|
|
/* Get Duration and TimeStampOff */
|
2014-03-18 20:24:55 +01:00
|
|
|
buf->duration = s_uGetDataDuration(priv, pkt_type, need_ack);
|
2013-10-01 16:56:48 +02:00
|
|
|
|
2014-03-18 20:24:55 +01:00
|
|
|
buf->duration_f0 = s_uGetDataDuration(priv, pkt_type, need_ack);
|
|
|
|
buf->duration_f1 = s_uGetDataDuration(priv, pkt_type, need_ack);
|
2013-10-01 16:56:48 +02:00
|
|
|
|
2014-03-18 20:25:01 +01:00
|
|
|
buf->time_stamp_off = vnt_time_stamp_off(priv, rate);
|
2013-10-01 16:56:48 +02:00
|
|
|
|
2014-05-31 14:34:58 +02:00
|
|
|
tx_context->tx_hdr_size = vnt_mac_hdr_pos(tx_context, &buf->hdr);
|
|
|
|
|
2014-03-18 20:25:04 +01:00
|
|
|
return le16_to_cpu(buf->duration);
|
2013-10-01 16:56:48 +02:00
|
|
|
}
|
|
|
|
|
2014-05-31 14:34:57 +02:00
|
|
|
static u16 vnt_rxtx_datahead_ab(struct vnt_usb_send_context *tx_context,
|
|
|
|
u8 pkt_type, u16 rate, struct vnt_tx_datahead_ab *buf,
|
2013-10-01 17:00:20 +02:00
|
|
|
u32 frame_len, int need_ack)
|
|
|
|
{
|
2014-05-31 14:34:57 +02:00
|
|
|
struct vnt_private *priv = tx_context->priv;
|
2014-06-25 22:14:38 +02:00
|
|
|
struct ieee80211_hdr *hdr =
|
|
|
|
(struct ieee80211_hdr *)tx_context->skb->data;
|
2014-05-31 14:34:57 +02:00
|
|
|
|
2013-10-01 17:00:20 +02:00
|
|
|
/* Get SignalField,ServiceField,Length */
|
2014-06-04 19:25:34 +02:00
|
|
|
vnt_get_phy_field(priv, frame_len, rate, pkt_type, &buf->ab);
|
2014-06-25 22:14:38 +02:00
|
|
|
|
2013-10-01 17:00:20 +02:00
|
|
|
/* Get Duration and TimeStampOff */
|
2014-06-25 22:14:38 +02:00
|
|
|
if (ieee80211_is_pspoll(hdr->frame_control)) {
|
|
|
|
__le16 dur = cpu_to_le16(priv->current_aid | BIT(14) | BIT(15));
|
|
|
|
|
|
|
|
buf->duration = dur;
|
|
|
|
} else {
|
|
|
|
buf->duration = s_uGetDataDuration(priv, pkt_type, need_ack);
|
|
|
|
}
|
2013-10-01 17:00:20 +02:00
|
|
|
|
2014-03-18 20:25:01 +01:00
|
|
|
buf->time_stamp_off = vnt_time_stamp_off(priv, rate);
|
2013-10-01 17:00:20 +02:00
|
|
|
|
2014-05-31 14:34:58 +02:00
|
|
|
tx_context->tx_hdr_size = vnt_mac_hdr_pos(tx_context, &buf->hdr);
|
|
|
|
|
2014-03-18 20:25:04 +01:00
|
|
|
return le16_to_cpu(buf->duration);
|
2013-10-01 17:00:20 +02:00
|
|
|
}
|
|
|
|
|
2014-06-25 22:14:23 +02:00
|
|
|
static int vnt_fill_ieee80211_rts(struct vnt_usb_send_context *tx_context,
|
|
|
|
struct ieee80211_rts *rts, __le16 duration)
|
2013-08-26 12:04:50 +02:00
|
|
|
{
|
2014-06-25 22:14:23 +02:00
|
|
|
struct ieee80211_hdr *hdr =
|
|
|
|
(struct ieee80211_hdr *)tx_context->skb->data;
|
|
|
|
|
2013-08-26 12:04:50 +02:00
|
|
|
rts->duration = duration;
|
2014-03-22 10:01:31 +01:00
|
|
|
rts->frame_control =
|
|
|
|
cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
|
2013-08-26 12:04:50 +02:00
|
|
|
|
2014-06-25 22:14:23 +02:00
|
|
|
memcpy(rts->ra, hdr->addr1, ETH_ALEN);
|
|
|
|
memcpy(rts->ta, hdr->addr2, ETH_ALEN);
|
2013-08-26 12:04:50 +02:00
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2014-05-31 14:34:57 +02:00
|
|
|
static u16 vnt_rxtx_rts_g_head(struct vnt_usb_send_context *tx_context,
|
2014-07-10 20:56:02 +02:00
|
|
|
struct vnt_rts_g *buf, u8 pkt_type, u32 frame_len, int need_ack,
|
2014-07-10 20:56:04 +02:00
|
|
|
u16 current_rate)
|
2013-08-26 12:04:50 +02:00
|
|
|
{
|
2014-05-31 14:34:57 +02:00
|
|
|
struct vnt_private *priv = tx_context->priv;
|
2013-08-26 12:04:50 +02:00
|
|
|
u16 rts_frame_len = 20;
|
|
|
|
|
2014-06-04 19:25:34 +02:00
|
|
|
vnt_get_phy_field(priv, rts_frame_len, priv->byTopCCKBasicRate,
|
2013-08-26 12:04:50 +02:00
|
|
|
PK_TYPE_11B, &buf->b);
|
2014-06-04 19:25:34 +02:00
|
|
|
vnt_get_phy_field(priv, rts_frame_len,
|
2013-08-26 12:04:50 +02:00
|
|
|
priv->byTopOFDMBasicRate, pkt_type, &buf->a);
|
|
|
|
|
2014-03-18 20:24:55 +01:00
|
|
|
buf->duration_bb = s_uGetRTSCTSDuration(priv, RTSDUR_BB, frame_len,
|
2014-07-10 20:56:04 +02:00
|
|
|
PK_TYPE_11B, priv->byTopCCKBasicRate, need_ack);
|
2014-03-18 20:24:55 +01:00
|
|
|
buf->duration_aa = s_uGetRTSCTSDuration(priv, RTSDUR_AA, frame_len,
|
2014-07-10 20:56:04 +02:00
|
|
|
pkt_type, current_rate, need_ack);
|
2014-03-18 20:24:55 +01:00
|
|
|
buf->duration_ba = s_uGetRTSCTSDuration(priv, RTSDUR_BA, frame_len,
|
2014-07-10 20:56:04 +02:00
|
|
|
pkt_type, current_rate, need_ack);
|
2013-08-26 12:04:50 +02:00
|
|
|
|
2014-06-25 22:14:23 +02:00
|
|
|
vnt_fill_ieee80211_rts(tx_context, &buf->data, buf->duration_aa);
|
2013-08-26 12:04:50 +02:00
|
|
|
|
2014-05-31 14:34:57 +02:00
|
|
|
return vnt_rxtx_datahead_g(tx_context, pkt_type, current_rate,
|
2013-10-01 16:52:16 +02:00
|
|
|
&buf->data_head, frame_len, need_ack);
|
2013-08-26 12:04:50 +02:00
|
|
|
}
|
|
|
|
|
2014-05-31 14:34:57 +02:00
|
|
|
static u16 vnt_rxtx_rts_g_fb_head(struct vnt_usb_send_context *tx_context,
|
2014-07-10 20:56:02 +02:00
|
|
|
struct vnt_rts_g_fb *buf, u8 pkt_type, u32 frame_len, int need_ack,
|
2014-07-10 20:56:04 +02:00
|
|
|
u16 current_rate)
|
2013-08-26 12:07:46 +02:00
|
|
|
{
|
2014-05-31 14:34:57 +02:00
|
|
|
struct vnt_private *priv = tx_context->priv;
|
2013-08-26 12:07:46 +02:00
|
|
|
u16 rts_frame_len = 20;
|
|
|
|
|
2014-06-04 19:25:34 +02:00
|
|
|
vnt_get_phy_field(priv, rts_frame_len, priv->byTopCCKBasicRate,
|
2013-08-26 12:07:46 +02:00
|
|
|
PK_TYPE_11B, &buf->b);
|
2014-06-04 19:25:34 +02:00
|
|
|
vnt_get_phy_field(priv, rts_frame_len,
|
2013-08-26 12:07:46 +02:00
|
|
|
priv->byTopOFDMBasicRate, pkt_type, &buf->a);
|
|
|
|
|
|
|
|
|
2014-03-18 20:24:55 +01:00
|
|
|
buf->duration_bb = s_uGetRTSCTSDuration(priv, RTSDUR_BB, frame_len,
|
2014-07-10 20:56:04 +02:00
|
|
|
PK_TYPE_11B, priv->byTopCCKBasicRate, need_ack);
|
2014-03-18 20:24:55 +01:00
|
|
|
buf->duration_aa = s_uGetRTSCTSDuration(priv, RTSDUR_AA, frame_len,
|
2014-07-10 20:56:04 +02:00
|
|
|
pkt_type, current_rate, need_ack);
|
2014-03-18 20:24:55 +01:00
|
|
|
buf->duration_ba = s_uGetRTSCTSDuration(priv, RTSDUR_BA, frame_len,
|
2014-07-10 20:56:04 +02:00
|
|
|
pkt_type, current_rate, need_ack);
|
2013-08-26 12:07:46 +02:00
|
|
|
|
|
|
|
|
2014-03-18 20:24:56 +01:00
|
|
|
buf->rts_duration_ba_f0 = s_uGetRTSCTSDuration(priv, RTSDUR_BA_F0,
|
2014-07-10 20:56:04 +02:00
|
|
|
frame_len, pkt_type, priv->tx_rate_fb0, need_ack);
|
2014-03-18 20:24:56 +01:00
|
|
|
buf->rts_duration_aa_f0 = s_uGetRTSCTSDuration(priv, RTSDUR_AA_F0,
|
2014-07-10 20:56:04 +02:00
|
|
|
frame_len, pkt_type, priv->tx_rate_fb0, need_ack);
|
2014-03-18 20:24:56 +01:00
|
|
|
buf->rts_duration_ba_f1 = s_uGetRTSCTSDuration(priv, RTSDUR_BA_F1,
|
2014-07-10 20:56:04 +02:00
|
|
|
frame_len, pkt_type, priv->tx_rate_fb1, need_ack);
|
2014-03-18 20:24:56 +01:00
|
|
|
buf->rts_duration_aa_f1 = s_uGetRTSCTSDuration(priv, RTSDUR_AA_F1,
|
2014-07-10 20:56:04 +02:00
|
|
|
frame_len, pkt_type, priv->tx_rate_fb1, need_ack);
|
2013-08-26 12:07:46 +02:00
|
|
|
|
2014-06-25 22:14:23 +02:00
|
|
|
vnt_fill_ieee80211_rts(tx_context, &buf->data, buf->duration_aa);
|
2013-08-26 12:07:46 +02:00
|
|
|
|
2014-05-31 14:34:57 +02:00
|
|
|
return vnt_rxtx_datahead_g_fb(tx_context, pkt_type, current_rate,
|
2013-10-01 16:54:56 +02:00
|
|
|
&buf->data_head, frame_len, need_ack);
|
2013-08-26 12:07:46 +02:00
|
|
|
}
|
|
|
|
|
2014-05-31 14:34:57 +02:00
|
|
|
static u16 vnt_rxtx_rts_ab_head(struct vnt_usb_send_context *tx_context,
|
2014-07-10 20:56:02 +02:00
|
|
|
struct vnt_rts_ab *buf, u8 pkt_type, u32 frame_len, int need_ack,
|
2014-07-10 20:56:04 +02:00
|
|
|
u16 current_rate)
|
2013-08-26 12:09:38 +02:00
|
|
|
{
|
2014-05-31 14:34:57 +02:00
|
|
|
struct vnt_private *priv = tx_context->priv;
|
2013-08-26 12:09:38 +02:00
|
|
|
u16 rts_frame_len = 20;
|
|
|
|
|
2014-06-04 19:25:34 +02:00
|
|
|
vnt_get_phy_field(priv, rts_frame_len,
|
2013-08-26 12:09:38 +02:00
|
|
|
priv->byTopOFDMBasicRate, pkt_type, &buf->ab);
|
|
|
|
|
2014-03-18 20:24:55 +01:00
|
|
|
buf->duration = s_uGetRTSCTSDuration(priv, RTSDUR_AA, frame_len,
|
2014-07-10 20:56:04 +02:00
|
|
|
pkt_type, current_rate, need_ack);
|
2013-08-26 12:09:38 +02:00
|
|
|
|
2014-06-25 22:14:23 +02:00
|
|
|
vnt_fill_ieee80211_rts(tx_context, &buf->data, buf->duration);
|
2013-08-26 12:09:38 +02:00
|
|
|
|
2014-05-31 14:34:57 +02:00
|
|
|
return vnt_rxtx_datahead_ab(tx_context, pkt_type, current_rate,
|
2013-10-01 17:00:20 +02:00
|
|
|
&buf->data_head, frame_len, need_ack);
|
2013-08-26 12:09:38 +02:00
|
|
|
}
|
|
|
|
|
2014-05-31 14:34:57 +02:00
|
|
|
static u16 vnt_rxtx_rts_a_fb_head(struct vnt_usb_send_context *tx_context,
|
2014-07-10 20:56:02 +02:00
|
|
|
struct vnt_rts_a_fb *buf, u8 pkt_type, u32 frame_len, int need_ack,
|
2014-07-10 20:56:04 +02:00
|
|
|
u16 current_rate)
|
2013-08-26 12:12:00 +02:00
|
|
|
{
|
2014-05-31 14:34:57 +02:00
|
|
|
struct vnt_private *priv = tx_context->priv;
|
2013-08-26 12:12:00 +02:00
|
|
|
u16 rts_frame_len = 20;
|
|
|
|
|
2014-06-04 19:25:34 +02:00
|
|
|
vnt_get_phy_field(priv, rts_frame_len,
|
2013-08-26 12:12:00 +02:00
|
|
|
priv->byTopOFDMBasicRate, pkt_type, &buf->a);
|
|
|
|
|
2014-03-18 20:24:55 +01:00
|
|
|
buf->duration = s_uGetRTSCTSDuration(priv, RTSDUR_AA, frame_len,
|
2014-07-10 20:56:04 +02:00
|
|
|
pkt_type, current_rate, need_ack);
|
2013-08-26 12:12:00 +02:00
|
|
|
|
2014-03-18 20:24:56 +01:00
|
|
|
buf->rts_duration_f0 = s_uGetRTSCTSDuration(priv, RTSDUR_AA_F0,
|
2014-07-10 20:56:04 +02:00
|
|
|
frame_len, pkt_type, priv->tx_rate_fb0, need_ack);
|
2013-08-26 12:12:00 +02:00
|
|
|
|
2014-03-18 20:24:56 +01:00
|
|
|
buf->rts_duration_f1 = s_uGetRTSCTSDuration(priv, RTSDUR_AA_F1,
|
2014-07-10 20:56:04 +02:00
|
|
|
frame_len, pkt_type, priv->tx_rate_fb1, need_ack);
|
2013-08-26 12:12:00 +02:00
|
|
|
|
2014-06-25 22:14:23 +02:00
|
|
|
vnt_fill_ieee80211_rts(tx_context, &buf->data, buf->duration);
|
2013-08-26 12:12:00 +02:00
|
|
|
|
2014-05-31 14:34:57 +02:00
|
|
|
return vnt_rxtx_datahead_a_fb(tx_context, pkt_type, current_rate,
|
2013-10-01 16:56:48 +02:00
|
|
|
&buf->data_head, frame_len, need_ack);
|
2013-08-26 12:12:00 +02:00
|
|
|
}
|
|
|
|
|
2014-05-31 14:34:57 +02:00
|
|
|
static u16 s_vFillRTSHead(struct vnt_usb_send_context *tx_context, u8 byPktType,
|
2013-08-27 13:07:58 +02:00
|
|
|
union vnt_tx_data_head *head, u32 cbFrameLength, int bNeedAck,
|
2014-07-10 20:56:04 +02:00
|
|
|
u16 wCurrentRate)
|
2009-06-13 13:38:31 +02:00
|
|
|
{
|
|
|
|
|
2013-08-26 12:17:52 +02:00
|
|
|
if (!head)
|
2013-10-01 16:50:24 +02:00
|
|
|
return 0;
|
2009-06-13 13:38:31 +02:00
|
|
|
|
2013-08-26 12:21:11 +02:00
|
|
|
/* Note: So far RTSHead doesn't appear in ATIM
|
|
|
|
* & Beacom DMA, so we don't need to take them
|
|
|
|
* into account.
|
|
|
|
* Otherwise, we need to modified codes for them.
|
|
|
|
*/
|
2013-08-27 10:56:50 +02:00
|
|
|
switch (byPktType) {
|
|
|
|
case PK_TYPE_11GB:
|
|
|
|
case PK_TYPE_11GA:
|
2014-07-10 20:56:03 +02:00
|
|
|
if (!tx_context->fb_option)
|
2014-05-31 14:34:57 +02:00
|
|
|
return vnt_rxtx_rts_g_head(tx_context, &head->rts_g,
|
2014-07-10 20:56:02 +02:00
|
|
|
byPktType, cbFrameLength,
|
2014-07-10 20:56:04 +02:00
|
|
|
bNeedAck, wCurrentRate);
|
2013-08-26 12:21:11 +02:00
|
|
|
else
|
2014-05-31 14:34:57 +02:00
|
|
|
return vnt_rxtx_rts_g_fb_head(tx_context,
|
2014-07-10 20:56:02 +02:00
|
|
|
&head->rts_g_fb, byPktType,
|
2014-07-10 20:56:04 +02:00
|
|
|
cbFrameLength, bNeedAck, wCurrentRate);
|
2013-08-27 10:56:50 +02:00
|
|
|
break;
|
|
|
|
case PK_TYPE_11A:
|
2014-07-10 20:56:03 +02:00
|
|
|
if (tx_context->fb_option) {
|
2014-05-31 14:34:57 +02:00
|
|
|
return vnt_rxtx_rts_a_fb_head(tx_context,
|
2014-07-10 20:56:02 +02:00
|
|
|
&head->rts_a_fb, byPktType,
|
2014-07-10 20:56:04 +02:00
|
|
|
cbFrameLength, bNeedAck, wCurrentRate);
|
2013-08-27 10:58:21 +02:00
|
|
|
break;
|
|
|
|
}
|
2013-08-27 10:56:50 +02:00
|
|
|
case PK_TYPE_11B:
|
2014-05-31 14:34:57 +02:00
|
|
|
return vnt_rxtx_rts_ab_head(tx_context, &head->rts_ab,
|
2014-07-10 20:56:02 +02:00
|
|
|
byPktType, cbFrameLength, bNeedAck,
|
2014-07-10 20:56:04 +02:00
|
|
|
wCurrentRate);
|
2013-08-26 12:21:11 +02:00
|
|
|
}
|
2013-10-01 16:50:24 +02:00
|
|
|
|
|
|
|
return 0;
|
2009-06-13 13:38:31 +02:00
|
|
|
}
|
|
|
|
|
2014-05-31 14:34:57 +02:00
|
|
|
static u16 s_vFillCTSHead(struct vnt_usb_send_context *tx_context,
|
2013-08-27 13:07:58 +02:00
|
|
|
u8 byPktType, union vnt_tx_data_head *head, u32 cbFrameLength,
|
2014-07-10 20:56:04 +02:00
|
|
|
int bNeedAck, u16 wCurrentRate)
|
2009-06-13 13:38:31 +02:00
|
|
|
{
|
2014-05-31 14:34:57 +02:00
|
|
|
struct vnt_private *pDevice = tx_context->priv;
|
2013-01-18 00:15:22 +01:00
|
|
|
u32 uCTSFrameLen = 14;
|
2009-06-13 13:38:31 +02:00
|
|
|
|
2013-08-27 12:48:34 +02:00
|
|
|
if (!head)
|
2013-10-01 16:50:24 +02:00
|
|
|
return 0;
|
2009-06-13 13:38:31 +02:00
|
|
|
|
2014-07-10 20:56:03 +02:00
|
|
|
if (tx_context->fb_option) {
|
2013-08-20 21:47:49 +02:00
|
|
|
/* Auto Fall back */
|
2013-08-27 12:48:34 +02:00
|
|
|
struct vnt_cts_fb *pBuf = &head->cts_g_fb;
|
2013-08-20 23:52:30 +02:00
|
|
|
/* Get SignalField,ServiceField,Length */
|
2014-06-04 19:25:34 +02:00
|
|
|
vnt_get_phy_field(pDevice, uCTSFrameLen,
|
2013-08-20 23:52:30 +02:00
|
|
|
pDevice->byTopCCKBasicRate, PK_TYPE_11B, &pBuf->b);
|
2014-03-18 20:24:55 +01:00
|
|
|
pBuf->duration_ba = s_uGetRTSCTSDuration(pDevice, CTSDUR_BA,
|
2013-08-13 21:17:11 +02:00
|
|
|
cbFrameLength, byPktType,
|
2014-07-10 20:56:04 +02:00
|
|
|
wCurrentRate, bNeedAck);
|
2013-08-13 21:17:11 +02:00
|
|
|
/* Get CTSDuration_ba_f0 */
|
2014-03-18 20:24:59 +01:00
|
|
|
pBuf->cts_duration_ba_f0 = s_uGetRTSCTSDuration(pDevice,
|
2013-10-15 22:00:09 +02:00
|
|
|
CTSDUR_BA_F0, cbFrameLength, byPktType,
|
2014-07-10 20:56:04 +02:00
|
|
|
pDevice->tx_rate_fb0, bNeedAck);
|
2013-08-13 21:17:11 +02:00
|
|
|
/* Get CTSDuration_ba_f1 */
|
2014-03-18 20:24:59 +01:00
|
|
|
pBuf->cts_duration_ba_f1 = s_uGetRTSCTSDuration(pDevice,
|
2013-10-15 22:00:09 +02:00
|
|
|
CTSDUR_BA_F1, cbFrameLength, byPktType,
|
2014-07-10 20:56:04 +02:00
|
|
|
pDevice->tx_rate_fb1, bNeedAck);
|
2013-08-05 23:12:42 +02:00
|
|
|
/* Get CTS Frame body */
|
2014-03-18 20:24:55 +01:00
|
|
|
pBuf->data.duration = pBuf->duration_ba;
|
2014-03-22 10:01:32 +01:00
|
|
|
pBuf->data.frame_control =
|
|
|
|
cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
|
|
|
|
|
2013-08-05 23:12:42 +02:00
|
|
|
memcpy(pBuf->data.ra, pDevice->abyCurrentNetAddr, ETH_ALEN);
|
2013-10-01 16:54:56 +02:00
|
|
|
|
2014-05-31 14:34:57 +02:00
|
|
|
return vnt_rxtx_datahead_g_fb(tx_context, byPktType,
|
|
|
|
wCurrentRate, &pBuf->data_head, cbFrameLength,
|
|
|
|
bNeedAck);
|
2013-08-20 21:47:49 +02:00
|
|
|
} else {
|
2013-08-27 12:48:34 +02:00
|
|
|
struct vnt_cts *pBuf = &head->cts_g;
|
2013-08-20 23:52:30 +02:00
|
|
|
/* Get SignalField,ServiceField,Length */
|
2014-06-04 19:25:34 +02:00
|
|
|
vnt_get_phy_field(pDevice, uCTSFrameLen,
|
2013-08-20 23:52:30 +02:00
|
|
|
pDevice->byTopCCKBasicRate, PK_TYPE_11B, &pBuf->b);
|
2013-08-13 21:17:11 +02:00
|
|
|
/* Get CTSDuration_ba */
|
2014-03-18 20:24:55 +01:00
|
|
|
pBuf->duration_ba = s_uGetRTSCTSDuration(pDevice,
|
2013-08-13 21:17:11 +02:00
|
|
|
CTSDUR_BA, cbFrameLength, byPktType,
|
2014-07-10 20:56:04 +02:00
|
|
|
wCurrentRate, bNeedAck);
|
2013-08-05 23:12:42 +02:00
|
|
|
/*Get CTS Frame body*/
|
2014-03-18 20:24:55 +01:00
|
|
|
pBuf->data.duration = pBuf->duration_ba;
|
2014-03-22 10:01:32 +01:00
|
|
|
pBuf->data.frame_control =
|
|
|
|
cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
|
|
|
|
|
2013-08-05 23:12:42 +02:00
|
|
|
memcpy(pBuf->data.ra, pDevice->abyCurrentNetAddr, ETH_ALEN);
|
2013-10-01 16:52:16 +02:00
|
|
|
|
2014-05-31 14:34:57 +02:00
|
|
|
return vnt_rxtx_datahead_g(tx_context, byPktType, wCurrentRate,
|
2013-10-01 16:52:16 +02:00
|
|
|
&pBuf->data_head, cbFrameLength, bNeedAck);
|
2009-06-13 13:38:31 +02:00
|
|
|
}
|
2013-10-01 16:50:24 +02:00
|
|
|
|
|
|
|
return 0;
|
2009-06-13 13:38:31 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
/*+
|
|
|
|
*
|
|
|
|
* Description:
|
|
|
|
* Generate FIFO control for MAC & Baseband controller
|
|
|
|
*
|
|
|
|
* Parameters:
|
|
|
|
* In:
|
|
|
|
* pDevice - Pointer to adpater
|
|
|
|
* pTxDataHead - Transmit Data Buffer
|
|
|
|
* pTxBufHead - pTxBufHead
|
|
|
|
* pvRrvTime - pvRrvTime
|
|
|
|
* pvRTS - RTS Buffer
|
|
|
|
* pCTS - CTS Buffer
|
|
|
|
* cbFrameSize - Transmit Data Length (Hdr+Payload+FCS)
|
|
|
|
* bNeedACK - If need ACK
|
|
|
|
* Out:
|
|
|
|
* none
|
|
|
|
*
|
|
|
|
* Return Value: none
|
|
|
|
*
|
|
|
|
-*/
|
2010-05-18 02:34:01 +02:00
|
|
|
|
2014-05-31 14:34:57 +02:00
|
|
|
static u16 s_vGenerateTxParameter(struct vnt_usb_send_context *tx_context,
|
2013-09-17 20:58:11 +02:00
|
|
|
u8 byPktType, u16 wCurrentRate, struct vnt_tx_buffer *tx_buffer,
|
2013-09-26 20:00:41 +02:00
|
|
|
struct vnt_mic_hdr **mic_hdr, u32 need_mic, u32 cbFrameSize,
|
2014-07-10 20:56:02 +02:00
|
|
|
int bNeedACK, bool need_rts)
|
2009-06-13 13:38:31 +02:00
|
|
|
{
|
2014-05-31 14:34:57 +02:00
|
|
|
struct vnt_private *pDevice = tx_context->priv;
|
2013-09-17 20:58:11 +02:00
|
|
|
struct vnt_tx_fifo_head *pFifoHead = &tx_buffer->fifo_head;
|
2013-09-26 19:57:34 +02:00
|
|
|
union vnt_tx_data_head *head = NULL;
|
2009-06-13 13:38:31 +02:00
|
|
|
|
2014-03-22 10:01:30 +01:00
|
|
|
pFifoHead->current_rate = cpu_to_le16(wCurrentRate);
|
2009-06-13 13:38:31 +02:00
|
|
|
|
2013-10-07 21:14:01 +02:00
|
|
|
if (byPktType == PK_TYPE_11GB || byPktType == PK_TYPE_11GA) {
|
|
|
|
if (need_rts) {
|
|
|
|
struct vnt_rrv_time_rts *pBuf =
|
|
|
|
&tx_buffer->tx_head.tx_rts.rts;
|
2013-09-26 19:47:25 +02:00
|
|
|
|
2014-03-18 20:24:57 +01:00
|
|
|
pBuf->rts_rrv_time_aa = s_uGetRTSCTSRsvTime(pDevice, 2,
|
2013-10-07 21:14:01 +02:00
|
|
|
byPktType, cbFrameSize, wCurrentRate);
|
2014-03-18 20:24:57 +01:00
|
|
|
pBuf->rts_rrv_time_ba = s_uGetRTSCTSRsvTime(pDevice, 1,
|
2013-10-07 21:14:01 +02:00
|
|
|
byPktType, cbFrameSize, wCurrentRate);
|
2014-03-18 20:24:57 +01:00
|
|
|
pBuf->rts_rrv_time_bb = s_uGetRTSCTSRsvTime(pDevice, 0,
|
2013-08-22 22:03:40 +02:00
|
|
|
byPktType, cbFrameSize, wCurrentRate);
|
2013-09-26 19:57:34 +02:00
|
|
|
|
2014-03-18 20:24:58 +01:00
|
|
|
pBuf->rrv_time_a = vnt_rxtx_rsvtime_le16(pDevice,
|
2013-10-07 21:14:01 +02:00
|
|
|
byPktType, cbFrameSize, wCurrentRate, bNeedACK);
|
2014-03-18 20:24:58 +01:00
|
|
|
pBuf->rrv_time_b = vnt_rxtx_rsvtime_le16(pDevice,
|
2013-10-07 21:14:01 +02:00
|
|
|
PK_TYPE_11B, cbFrameSize,
|
|
|
|
pDevice->byTopCCKBasicRate, bNeedACK);
|
|
|
|
|
|
|
|
if (need_mic) {
|
|
|
|
*mic_hdr = &tx_buffer->
|
|
|
|
tx_head.tx_rts.tx.mic.hdr;
|
|
|
|
head = &tx_buffer->tx_head.tx_rts.tx.mic.head;
|
|
|
|
} else {
|
|
|
|
head = &tx_buffer->tx_head.tx_rts.tx.head;
|
|
|
|
}
|
2013-09-26 19:52:10 +02:00
|
|
|
|
2013-10-07 21:14:01 +02:00
|
|
|
/* Fill RTS */
|
2014-05-31 14:34:57 +02:00
|
|
|
return s_vFillRTSHead(tx_context, byPktType, head,
|
2014-07-10 20:56:02 +02:00
|
|
|
cbFrameSize, bNeedACK,
|
2014-07-10 20:56:04 +02:00
|
|
|
wCurrentRate);
|
2013-09-26 19:52:10 +02:00
|
|
|
|
2013-10-07 21:14:01 +02:00
|
|
|
} else {
|
|
|
|
struct vnt_rrv_time_cts *pBuf = &tx_buffer->
|
|
|
|
tx_head.tx_cts.cts;
|
|
|
|
|
2014-03-18 20:24:58 +01:00
|
|
|
pBuf->rrv_time_a = vnt_rxtx_rsvtime_le16(pDevice,
|
2013-10-07 21:14:01 +02:00
|
|
|
byPktType, cbFrameSize, wCurrentRate, bNeedACK);
|
2014-03-18 20:24:58 +01:00
|
|
|
pBuf->rrv_time_b = vnt_rxtx_rsvtime_le16(pDevice,
|
2013-10-07 21:14:01 +02:00
|
|
|
PK_TYPE_11B, cbFrameSize,
|
|
|
|
pDevice->byTopCCKBasicRate, bNeedACK);
|
|
|
|
|
2014-03-18 20:25:00 +01:00
|
|
|
pBuf->cts_rrv_time_ba = s_uGetRTSCTSRsvTime(pDevice, 3,
|
2013-10-07 21:14:01 +02:00
|
|
|
byPktType, cbFrameSize, wCurrentRate);
|
|
|
|
|
|
|
|
if (need_mic) {
|
|
|
|
*mic_hdr = &tx_buffer->
|
|
|
|
tx_head.tx_cts.tx.mic.hdr;
|
|
|
|
head = &tx_buffer->tx_head.tx_cts.tx.mic.head;
|
|
|
|
} else {
|
|
|
|
head = &tx_buffer->tx_head.tx_cts.tx.head;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Fill CTS */
|
2014-05-31 14:34:57 +02:00
|
|
|
return s_vFillCTSHead(tx_context, byPktType,
|
2014-07-10 20:56:04 +02:00
|
|
|
head, cbFrameSize, bNeedACK, wCurrentRate);
|
2013-10-07 21:14:01 +02:00
|
|
|
}
|
|
|
|
} else if (byPktType == PK_TYPE_11A) {
|
2013-09-26 19:57:34 +02:00
|
|
|
if (need_mic) {
|
2013-10-07 21:14:01 +02:00
|
|
|
*mic_hdr = &tx_buffer->tx_head.tx_ab.tx.mic.hdr;
|
|
|
|
head = &tx_buffer->tx_head.tx_ab.tx.mic.head;
|
2013-09-26 19:57:34 +02:00
|
|
|
} else {
|
2013-10-07 21:14:01 +02:00
|
|
|
head = &tx_buffer->tx_head.tx_ab.tx.head;
|
2013-09-26 19:57:34 +02:00
|
|
|
}
|
2013-09-26 19:52:10 +02:00
|
|
|
|
2013-10-07 21:14:01 +02:00
|
|
|
if (need_rts) {
|
|
|
|
struct vnt_rrv_time_ab *pBuf = &tx_buffer->
|
|
|
|
tx_head.tx_ab.ab;
|
2013-09-26 19:47:25 +02:00
|
|
|
|
2014-03-18 20:24:57 +01:00
|
|
|
pBuf->rts_rrv_time = s_uGetRTSCTSRsvTime(pDevice, 2,
|
2013-08-22 22:03:40 +02:00
|
|
|
byPktType, cbFrameSize, wCurrentRate);
|
2013-09-26 19:57:34 +02:00
|
|
|
|
2014-03-18 20:24:58 +01:00
|
|
|
pBuf->rrv_time = vnt_rxtx_rsvtime_le16(pDevice,
|
2013-10-07 21:14:01 +02:00
|
|
|
byPktType, cbFrameSize, wCurrentRate, bNeedACK);
|
2013-09-26 19:47:25 +02:00
|
|
|
|
2013-10-07 21:14:01 +02:00
|
|
|
/* Fill RTS */
|
2014-05-31 14:34:57 +02:00
|
|
|
return s_vFillRTSHead(tx_context, byPktType, head,
|
2014-07-10 20:56:02 +02:00
|
|
|
cbFrameSize, bNeedACK,
|
2014-07-10 20:56:04 +02:00
|
|
|
wCurrentRate);
|
2013-10-07 21:14:01 +02:00
|
|
|
} else {
|
|
|
|
struct vnt_rrv_time_ab *pBuf = &tx_buffer->
|
|
|
|
tx_head.tx_ab.ab;
|
2013-10-01 16:58:54 +02:00
|
|
|
|
2014-03-18 20:24:58 +01:00
|
|
|
pBuf->rrv_time = vnt_rxtx_rsvtime_le16(pDevice,
|
2013-10-07 21:14:01 +02:00
|
|
|
PK_TYPE_11A, cbFrameSize,
|
|
|
|
wCurrentRate, bNeedACK);
|
2013-10-01 17:03:40 +02:00
|
|
|
|
2014-05-31 14:34:57 +02:00
|
|
|
return vnt_rxtx_datahead_a_fb(tx_context, byPktType,
|
2013-10-07 21:14:01 +02:00
|
|
|
wCurrentRate, &head->data_head_a_fb,
|
|
|
|
cbFrameSize, bNeedACK);
|
|
|
|
}
|
|
|
|
} else if (byPktType == PK_TYPE_11B) {
|
|
|
|
if (need_mic) {
|
|
|
|
*mic_hdr = &tx_buffer->tx_head.tx_ab.tx.mic.hdr;
|
|
|
|
head = &tx_buffer->tx_head.tx_ab.tx.mic.head;
|
|
|
|
} else {
|
|
|
|
head = &tx_buffer->tx_head.tx_ab.tx.head;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (need_rts) {
|
|
|
|
struct vnt_rrv_time_ab *pBuf = &tx_buffer->
|
|
|
|
tx_head.tx_ab.ab;
|
2013-09-26 19:47:25 +02:00
|
|
|
|
2014-03-18 20:24:57 +01:00
|
|
|
pBuf->rts_rrv_time = s_uGetRTSCTSRsvTime(pDevice, 0,
|
2013-08-22 22:03:40 +02:00
|
|
|
byPktType, cbFrameSize, wCurrentRate);
|
2013-09-26 19:52:10 +02:00
|
|
|
|
2014-03-18 20:24:58 +01:00
|
|
|
pBuf->rrv_time = vnt_rxtx_rsvtime_le16(pDevice,
|
2013-10-07 21:14:01 +02:00
|
|
|
PK_TYPE_11B, cbFrameSize, wCurrentRate,
|
|
|
|
bNeedACK);
|
|
|
|
|
|
|
|
/* Fill RTS */
|
2014-05-31 14:34:57 +02:00
|
|
|
return s_vFillRTSHead(tx_context, byPktType, head,
|
2014-07-10 20:56:02 +02:00
|
|
|
cbFrameSize, bNeedACK,
|
2014-07-10 20:56:04 +02:00
|
|
|
wCurrentRate);
|
2013-10-07 21:14:01 +02:00
|
|
|
} else {
|
|
|
|
struct vnt_rrv_time_ab *pBuf = &tx_buffer->
|
|
|
|
tx_head.tx_ab.ab;
|
2013-09-26 19:47:25 +02:00
|
|
|
|
2014-03-18 20:24:58 +01:00
|
|
|
pBuf->rrv_time = vnt_rxtx_rsvtime_le16(pDevice,
|
2013-10-07 21:14:01 +02:00
|
|
|
PK_TYPE_11B, cbFrameSize,
|
|
|
|
wCurrentRate, bNeedACK);
|
2013-10-01 17:03:40 +02:00
|
|
|
|
2014-05-31 14:34:57 +02:00
|
|
|
return vnt_rxtx_datahead_ab(tx_context, byPktType,
|
2013-10-07 21:14:01 +02:00
|
|
|
wCurrentRate, &head->data_head_ab,
|
|
|
|
cbFrameSize, bNeedACK);
|
|
|
|
}
|
|
|
|
}
|
2013-10-01 16:50:24 +02:00
|
|
|
|
2014-05-15 23:49:11 +02:00
|
|
|
return 0;
|
2009-06-13 13:38:31 +02:00
|
|
|
}
|
2014-06-25 22:14:23 +02:00
|
|
|
|
|
|
|
static void vnt_fill_txkey(struct vnt_usb_send_context *tx_context,
|
|
|
|
u8 *key_buffer, struct ieee80211_key_conf *tx_key, struct sk_buff *skb,
|
|
|
|
u16 payload_len, struct vnt_mic_hdr *mic_hdr)
|
|
|
|
{
|
|
|
|
struct ieee80211_hdr *hdr = tx_context->hdr;
|
|
|
|
struct ieee80211_key_seq seq;
|
|
|
|
u8 *iv = ((u8 *)hdr + ieee80211_get_hdrlen_from_skb(skb));
|
|
|
|
|
|
|
|
/* strip header and icv len from payload */
|
|
|
|
payload_len -= ieee80211_get_hdrlen_from_skb(skb);
|
|
|
|
payload_len -= tx_key->icv_len;
|
|
|
|
|
|
|
|
switch (tx_key->cipher) {
|
|
|
|
case WLAN_CIPHER_SUITE_WEP40:
|
|
|
|
case WLAN_CIPHER_SUITE_WEP104:
|
|
|
|
memcpy(key_buffer, iv, 3);
|
|
|
|
memcpy(key_buffer + 3, tx_key->key, tx_key->keylen);
|
|
|
|
|
|
|
|
if (tx_key->keylen == WLAN_KEY_LEN_WEP40) {
|
|
|
|
memcpy(key_buffer + 8, iv, 3);
|
|
|
|
memcpy(key_buffer + 11,
|
|
|
|
tx_key->key, WLAN_KEY_LEN_WEP40);
|
|
|
|
}
|
|
|
|
|
|
|
|
break;
|
|
|
|
case WLAN_CIPHER_SUITE_TKIP:
|
|
|
|
ieee80211_get_tkip_p2k(tx_key, skb, key_buffer);
|
|
|
|
|
|
|
|
break;
|
|
|
|
case WLAN_CIPHER_SUITE_CCMP:
|
|
|
|
|
|
|
|
if (!mic_hdr)
|
|
|
|
return;
|
|
|
|
|
|
|
|
mic_hdr->id = 0x59;
|
|
|
|
mic_hdr->payload_len = cpu_to_be16(payload_len);
|
|
|
|
memcpy(mic_hdr->mic_addr2, hdr->addr2, ETH_ALEN);
|
|
|
|
|
|
|
|
ieee80211_get_key_tx_seq(tx_key, &seq);
|
|
|
|
|
2014-06-29 00:55:39 +02:00
|
|
|
memcpy(mic_hdr->ccmp_pn, seq.ccmp.pn, IEEE80211_CCMP_PN_LEN);
|
2014-06-25 22:14:23 +02:00
|
|
|
|
|
|
|
if (ieee80211_has_a4(hdr->frame_control))
|
|
|
|
mic_hdr->hlen = cpu_to_be16(28);
|
|
|
|
else
|
|
|
|
mic_hdr->hlen = cpu_to_be16(22);
|
|
|
|
|
|
|
|
memcpy(mic_hdr->addr1, hdr->addr1, ETH_ALEN);
|
|
|
|
memcpy(mic_hdr->addr2, hdr->addr2, ETH_ALEN);
|
|
|
|
memcpy(mic_hdr->addr3, hdr->addr3, ETH_ALEN);
|
|
|
|
|
|
|
|
mic_hdr->frame_control = cpu_to_le16(
|
|
|
|
le16_to_cpu(hdr->frame_control) & 0xc78f);
|
|
|
|
mic_hdr->seq_ctrl = cpu_to_le16(
|
|
|
|
le16_to_cpu(hdr->seq_ctrl) & 0xf);
|
|
|
|
|
|
|
|
if (ieee80211_has_a4(hdr->frame_control))
|
|
|
|
memcpy(mic_hdr->addr4, hdr->addr4, ETH_ALEN);
|
|
|
|
|
|
|
|
|
|
|
|
memcpy(key_buffer, tx_key->key, WLAN_KEY_LEN_CCMP);
|
|
|
|
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
int vnt_tx_packet(struct vnt_private *priv, struct sk_buff *skb)
|
|
|
|
{
|
|
|
|
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
|
|
|
|
struct ieee80211_tx_rate *tx_rate = &info->control.rates[0];
|
|
|
|
struct ieee80211_rate *rate;
|
|
|
|
struct ieee80211_key_conf *tx_key;
|
|
|
|
struct ieee80211_hdr *hdr;
|
|
|
|
struct vnt_mic_hdr *mic_hdr = NULL;
|
|
|
|
struct vnt_tx_buffer *tx_buffer;
|
|
|
|
struct vnt_tx_fifo_head *tx_buffer_head;
|
|
|
|
struct vnt_usb_send_context *tx_context;
|
|
|
|
unsigned long flags;
|
|
|
|
u32 frame_size = 0;
|
|
|
|
u16 tx_bytes, tx_header_size, tx_body_size, current_rate, duration_id;
|
|
|
|
u8 pkt_type, fb_option = AUTO_FB_NONE;
|
|
|
|
bool need_rts = false, need_ack = false, is_pspoll = false;
|
|
|
|
bool need_mic = false;
|
|
|
|
|
|
|
|
hdr = (struct ieee80211_hdr *)(skb->data);
|
|
|
|
|
|
|
|
rate = ieee80211_get_tx_rate(priv->hw, info);
|
|
|
|
|
|
|
|
current_rate = rate->hw_value;
|
2014-07-05 20:24:23 +02:00
|
|
|
if (priv->wCurrentRate != current_rate &&
|
|
|
|
!(priv->hw->conf.flags & IEEE80211_CONF_OFFCHANNEL)) {
|
2014-06-25 22:14:23 +02:00
|
|
|
priv->wCurrentRate = current_rate;
|
|
|
|
bScheduleCommand(priv, WLAN_CMD_SETPOWER, NULL);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (current_rate > RATE_11M)
|
|
|
|
pkt_type = priv->byPacketType;
|
|
|
|
else
|
|
|
|
pkt_type = PK_TYPE_11B;
|
|
|
|
|
|
|
|
spin_lock_irqsave(&priv->lock, flags);
|
|
|
|
|
|
|
|
tx_context = s_vGetFreeContext(priv);
|
|
|
|
if (!tx_context) {
|
|
|
|
dev_dbg(&priv->usb->dev, "%s No free context\n", __func__);
|
|
|
|
spin_unlock_irqrestore(&priv->lock, flags);
|
|
|
|
return -ENOMEM;
|
|
|
|
}
|
|
|
|
|
|
|
|
tx_context->skb = skb;
|
|
|
|
|
|
|
|
spin_unlock_irqrestore(&priv->lock, flags);
|
|
|
|
|
|
|
|
tx_buffer = (struct vnt_tx_buffer *)tx_context->data;
|
|
|
|
tx_buffer_head = &tx_buffer->fifo_head;
|
|
|
|
tx_body_size = skb->len;
|
|
|
|
|
|
|
|
frame_size = tx_body_size + 4;
|
|
|
|
|
|
|
|
/*Set fifo controls */
|
|
|
|
if (pkt_type == PK_TYPE_11A)
|
|
|
|
tx_buffer_head->wFIFOCtl = 0;
|
|
|
|
else if (pkt_type == PK_TYPE_11B)
|
|
|
|
tx_buffer_head->wFIFOCtl = FIFOCTL_11B;
|
|
|
|
else if (pkt_type == PK_TYPE_11GB)
|
|
|
|
tx_buffer_head->wFIFOCtl = FIFOCTL_11GB;
|
|
|
|
else if (pkt_type == PK_TYPE_11GA)
|
|
|
|
tx_buffer_head->wFIFOCtl = FIFOCTL_11GA;
|
|
|
|
|
|
|
|
if (!ieee80211_is_data(hdr->frame_control)) {
|
|
|
|
tx_buffer_head->wFIFOCtl |= (FIFOCTL_GENINT |
|
|
|
|
FIFOCTL_ISDMA0);
|
|
|
|
tx_buffer_head->wFIFOCtl |= FIFOCTL_TMOEN;
|
|
|
|
|
|
|
|
tx_buffer_head->time_stamp =
|
|
|
|
cpu_to_le16(DEFAULT_MGN_LIFETIME_RES_64us);
|
|
|
|
} else {
|
|
|
|
tx_buffer_head->time_stamp =
|
|
|
|
cpu_to_le16(DEFAULT_MSDU_LIFETIME_RES_64us);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!(info->flags & IEEE80211_TX_CTL_NO_ACK)) {
|
|
|
|
tx_buffer_head->wFIFOCtl |= FIFOCTL_NEEDACK;
|
|
|
|
need_ack = true;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (ieee80211_has_retry(hdr->frame_control))
|
|
|
|
tx_buffer_head->wFIFOCtl |= FIFOCTL_LRETRY;
|
|
|
|
|
|
|
|
if (tx_rate->flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE)
|
|
|
|
priv->byPreambleType = PREAMBLE_SHORT;
|
|
|
|
else
|
|
|
|
priv->byPreambleType = PREAMBLE_LONG;
|
|
|
|
|
|
|
|
if (tx_rate->flags & IEEE80211_TX_RC_USE_RTS_CTS) {
|
|
|
|
need_rts = true;
|
|
|
|
tx_buffer_head->wFIFOCtl |= FIFOCTL_RTS;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (ieee80211_has_a4(hdr->frame_control))
|
|
|
|
tx_buffer_head->wFIFOCtl |= FIFOCTL_LHEAD;
|
|
|
|
|
|
|
|
if (info->flags & IEEE80211_TX_CTL_NO_PS_BUFFER)
|
|
|
|
is_pspoll = true;
|
|
|
|
|
2014-06-29 00:55:40 +02:00
|
|
|
tx_buffer_head->frag_ctl =
|
|
|
|
cpu_to_le16(ieee80211_get_hdrlen_from_skb(skb) << 10);
|
2014-06-25 22:14:23 +02:00
|
|
|
|
|
|
|
if (info->control.hw_key) {
|
|
|
|
tx_key = info->control.hw_key;
|
|
|
|
switch (info->control.hw_key->cipher) {
|
|
|
|
case WLAN_CIPHER_SUITE_WEP40:
|
|
|
|
case WLAN_CIPHER_SUITE_WEP104:
|
2014-06-29 00:55:40 +02:00
|
|
|
tx_buffer_head->frag_ctl |= cpu_to_le16(FRAGCTL_LEGACY);
|
2014-06-25 22:14:23 +02:00
|
|
|
break;
|
|
|
|
case WLAN_CIPHER_SUITE_TKIP:
|
2014-06-29 00:55:40 +02:00
|
|
|
tx_buffer_head->frag_ctl |= cpu_to_le16(FRAGCTL_TKIP);
|
2014-06-25 22:14:23 +02:00
|
|
|
break;
|
|
|
|
case WLAN_CIPHER_SUITE_CCMP:
|
2014-06-29 00:55:40 +02:00
|
|
|
tx_buffer_head->frag_ctl |= cpu_to_le16(FRAGCTL_AES);
|
2014-06-25 22:14:23 +02:00
|
|
|
need_mic = true;
|
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
frame_size += tx_key->icv_len;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* legacy rates TODO use ieee80211_tx_rate */
|
|
|
|
if (current_rate >= RATE_18M && ieee80211_is_data(hdr->frame_control)) {
|
|
|
|
if (priv->byAutoFBCtrl == AUTO_FB_0) {
|
|
|
|
tx_buffer_head->wFIFOCtl |= FIFOCTL_AUTO_FB_0;
|
|
|
|
|
|
|
|
priv->tx_rate_fb0 =
|
|
|
|
wFB_Opt0[FB_RATE0][current_rate - RATE_18M];
|
|
|
|
priv->tx_rate_fb1 =
|
|
|
|
wFB_Opt0[FB_RATE1][current_rate - RATE_18M];
|
|
|
|
|
|
|
|
fb_option = AUTO_FB_0;
|
|
|
|
} else if (priv->byAutoFBCtrl == AUTO_FB_1) {
|
|
|
|
tx_buffer_head->wFIFOCtl |= FIFOCTL_AUTO_FB_1;
|
|
|
|
|
|
|
|
priv->tx_rate_fb0 =
|
|
|
|
wFB_Opt1[FB_RATE0][current_rate - RATE_18M];
|
|
|
|
priv->tx_rate_fb1 =
|
|
|
|
wFB_Opt1[FB_RATE1][current_rate - RATE_18M];
|
|
|
|
|
|
|
|
fb_option = AUTO_FB_1;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2014-07-05 20:24:27 +02:00
|
|
|
tx_context->fb_option = fb_option;
|
|
|
|
|
2014-06-25 22:14:23 +02:00
|
|
|
duration_id = s_vGenerateTxParameter(tx_context, pkt_type, current_rate,
|
|
|
|
tx_buffer, &mic_hdr, need_mic, frame_size,
|
2014-07-10 20:56:02 +02:00
|
|
|
need_ack, need_rts);
|
2014-06-25 22:14:23 +02:00
|
|
|
|
|
|
|
tx_header_size = tx_context->tx_hdr_size;
|
|
|
|
if (!tx_header_size) {
|
|
|
|
tx_context->in_use = false;
|
|
|
|
return -ENOMEM;
|
|
|
|
}
|
|
|
|
|
2014-06-29 00:55:40 +02:00
|
|
|
tx_buffer_head->frag_ctl |= cpu_to_le16(FRAGCTL_NONFRAG);
|
2014-06-25 22:14:23 +02:00
|
|
|
|
|
|
|
tx_bytes = tx_header_size + tx_body_size;
|
|
|
|
|
|
|
|
memcpy(tx_context->hdr, skb->data, tx_body_size);
|
|
|
|
|
|
|
|
hdr->duration_id = cpu_to_le16(duration_id);
|
|
|
|
|
|
|
|
if (info->control.hw_key) {
|
|
|
|
tx_key = info->control.hw_key;
|
|
|
|
if (tx_key->keylen > 0)
|
|
|
|
vnt_fill_txkey(tx_context, tx_buffer_head->tx_key,
|
|
|
|
tx_key, skb, tx_body_size, mic_hdr);
|
|
|
|
}
|
|
|
|
|
|
|
|
priv->wSeqCounter = (le16_to_cpu(hdr->seq_ctrl) &
|
|
|
|
IEEE80211_SCTL_SEQ) >> 4;
|
|
|
|
|
|
|
|
tx_buffer->tx_byte_count = cpu_to_le16(tx_bytes);
|
2014-07-05 20:24:27 +02:00
|
|
|
tx_buffer->byPKTNO = tx_context->pkt_no;
|
2014-06-25 22:14:23 +02:00
|
|
|
tx_buffer->byType = 0x00;
|
|
|
|
|
|
|
|
tx_bytes += 4;
|
|
|
|
|
|
|
|
tx_context->type = CONTEXT_DATA_PACKET;
|
|
|
|
tx_context->buf_len = tx_bytes;
|
|
|
|
|
|
|
|
spin_lock_irqsave(&priv->lock, flags);
|
|
|
|
|
|
|
|
if (PIPEnsSendBulkOut(priv, tx_context) != STATUS_PENDING) {
|
|
|
|
spin_unlock_irqrestore(&priv->lock, flags);
|
|
|
|
return -EIO;
|
|
|
|
}
|
|
|
|
|
|
|
|
spin_unlock_irqrestore(&priv->lock, flags);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int vnt_beacon_xmit(struct vnt_private *priv,
|
|
|
|
struct sk_buff *skb)
|
|
|
|
{
|
|
|
|
struct vnt_beacon_buffer *beacon_buffer;
|
|
|
|
struct vnt_tx_short_buf_head *short_head;
|
|
|
|
struct ieee80211_tx_info *info;
|
|
|
|
struct vnt_usb_send_context *context;
|
|
|
|
struct ieee80211_mgmt *mgmt_hdr;
|
|
|
|
unsigned long flags;
|
|
|
|
u32 frame_size = skb->len + 4;
|
|
|
|
u16 current_rate, count;
|
|
|
|
|
|
|
|
spin_lock_irqsave(&priv->lock, flags);
|
|
|
|
|
|
|
|
context = s_vGetFreeContext(priv);
|
|
|
|
if (!context) {
|
|
|
|
dev_dbg(&priv->usb->dev, "%s No free context!\n", __func__);
|
|
|
|
spin_unlock_irqrestore(&priv->lock, flags);
|
|
|
|
return -ENOMEM;
|
|
|
|
}
|
|
|
|
|
|
|
|
context->skb = skb;
|
|
|
|
|
|
|
|
spin_unlock_irqrestore(&priv->lock, flags);
|
|
|
|
|
|
|
|
beacon_buffer = (struct vnt_beacon_buffer *)&context->data[0];
|
|
|
|
short_head = &beacon_buffer->short_head;
|
|
|
|
|
|
|
|
if (priv->byBBType == BB_TYPE_11A) {
|
|
|
|
current_rate = RATE_6M;
|
|
|
|
|
|
|
|
/* Get SignalField,ServiceField,Length */
|
|
|
|
vnt_get_phy_field(priv, frame_size, current_rate,
|
|
|
|
PK_TYPE_11A, &short_head->ab);
|
|
|
|
|
|
|
|
/* Get Duration and TimeStampOff */
|
|
|
|
short_head->duration = s_uGetDataDuration(priv,
|
|
|
|
PK_TYPE_11A, false);
|
|
|
|
short_head->time_stamp_off =
|
|
|
|
vnt_time_stamp_off(priv, current_rate);
|
|
|
|
} else {
|
|
|
|
current_rate = RATE_1M;
|
|
|
|
short_head->fifo_ctl |= FIFOCTL_11B;
|
|
|
|
|
|
|
|
/* Get SignalField,ServiceField,Length */
|
|
|
|
vnt_get_phy_field(priv, frame_size, current_rate,
|
|
|
|
PK_TYPE_11B, &short_head->ab);
|
|
|
|
|
|
|
|
/* Get Duration and TimeStampOff */
|
|
|
|
short_head->duration = s_uGetDataDuration(priv,
|
|
|
|
PK_TYPE_11B, false);
|
|
|
|
short_head->time_stamp_off =
|
|
|
|
vnt_time_stamp_off(priv, current_rate);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Generate Beacon Header */
|
|
|
|
mgmt_hdr = &beacon_buffer->mgmt_hdr;
|
|
|
|
memcpy(mgmt_hdr, skb->data, skb->len);
|
|
|
|
|
|
|
|
/* time stamp always 0 */
|
|
|
|
mgmt_hdr->u.beacon.timestamp = 0;
|
|
|
|
|
|
|
|
info = IEEE80211_SKB_CB(skb);
|
|
|
|
if (info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ) {
|
|
|
|
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)mgmt_hdr;
|
|
|
|
hdr->duration_id = 0;
|
|
|
|
hdr->seq_ctrl = cpu_to_le16(priv->wSeqCounter << 4);
|
|
|
|
}
|
|
|
|
|
|
|
|
priv->wSeqCounter++;
|
|
|
|
if (priv->wSeqCounter > 0x0fff)
|
|
|
|
priv->wSeqCounter = 0;
|
|
|
|
|
|
|
|
count = sizeof(struct vnt_tx_short_buf_head) + skb->len;
|
|
|
|
|
|
|
|
beacon_buffer->tx_byte_count = cpu_to_le16(count);
|
2014-07-05 20:24:27 +02:00
|
|
|
beacon_buffer->byPKTNO = context->pkt_no;
|
2014-06-25 22:14:23 +02:00
|
|
|
beacon_buffer->byType = 0x01;
|
|
|
|
|
|
|
|
context->type = CONTEXT_BEACON_PACKET;
|
|
|
|
context->buf_len = count + 4; /* USB header */
|
|
|
|
|
|
|
|
spin_lock_irqsave(&priv->lock, flags);
|
|
|
|
|
|
|
|
if (PIPEnsSendBulkOut(priv, context) != STATUS_PENDING)
|
|
|
|
ieee80211_free_txskb(priv->hw, context->skb);
|
|
|
|
|
|
|
|
spin_unlock_irqrestore(&priv->lock, flags);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
int vnt_beacon_make(struct vnt_private *priv, struct ieee80211_vif *vif)
|
|
|
|
{
|
|
|
|
struct sk_buff *beacon;
|
|
|
|
|
|
|
|
beacon = ieee80211_beacon_get(priv->hw, vif);
|
|
|
|
if (!beacon)
|
|
|
|
return -ENOMEM;
|
|
|
|
|
|
|
|
if (vnt_beacon_xmit(priv, beacon)) {
|
|
|
|
ieee80211_free_txskb(priv->hw, beacon);
|
|
|
|
return -ENODEV;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
int vnt_beacon_enable(struct vnt_private *priv, struct ieee80211_vif *vif,
|
|
|
|
struct ieee80211_bss_conf *conf)
|
|
|
|
{
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
vnt_mac_reg_bits_off(priv, MAC_REG_TCR, TCR_AUTOBCNTX);
|
|
|
|
|
|
|
|
vnt_mac_reg_bits_off(priv, MAC_REG_TFTCTL, TFTCTL_TSFCNTREN);
|
|
|
|
|
|
|
|
vnt_mac_set_beacon_interval(priv, conf->beacon_int);
|
|
|
|
|
|
|
|
vnt_clear_current_tsf(priv);
|
|
|
|
|
|
|
|
vnt_mac_reg_bits_on(priv, MAC_REG_TFTCTL, TFTCTL_TSFCNTREN);
|
|
|
|
|
|
|
|
vnt_reset_next_tbtt(priv, conf->beacon_int);
|
|
|
|
|
|
|
|
ret = vnt_beacon_make(priv, vif);
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|