Return-path: Received: from mail-wi0-f175.google.com ([209.85.212.175]:58453 "EHLO mail-wi0-f175.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753857Ab3IZRwT (ORCPT ); Thu, 26 Sep 2013 13:52:19 -0400 Received: by mail-wi0-f175.google.com with SMTP id ez12so7467203wid.2 for ; Thu, 26 Sep 2013 10:52:18 -0700 (PDT) Message-ID: <1380217930.2059.12.camel@canaries64-MCP7A> (sfid-20130926_195223_000320_4823B756) Subject: [PATCH 3/5] staging: vt6656: rxtx.c s_vGenerateTxParameter Create vnt_mic_hdr structure From: Malcolm Priestley To: gregkh@linuxfoundation.org Cc: linux-wireless@vger.kernel.org Date: Thu, 26 Sep 2013 18:52:10 +0100 Content-Type: text/plain; charset="UTF-8" Mime-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org List-ID: Create double pointer to pass back vnt_mic_hdr address position of relevant structure if need_mic is more than 0. Otherwise it is NULL. This replaces the pMICHDR void pointer with struct vnt_mic_hdr and assignments in the calling functions. Signed-off-by: Malcolm Priestley --- drivers/staging/vt6656/rxtx.c | 55 ++++++++++++++++++++++--------------------- 1 file changed, 28 insertions(+), 27 deletions(-) diff --git a/drivers/staging/vt6656/rxtx.c b/drivers/staging/vt6656/rxtx.c index c80a809..7002b5d 100644 --- a/drivers/staging/vt6656/rxtx.c +++ b/drivers/staging/vt6656/rxtx.c @@ -100,6 +100,7 @@ static void *s_vGetFreeContext(struct vnt_private *pDevice); static void s_vGenerateTxParameter(struct vnt_private *pDevice, u8 byPktType, u16 wCurrentRate, struct vnt_tx_buffer *tx_buffer, + struct vnt_mic_hdr **mic_hdr, u32 need_mic, void *rts_cts, u32 cbFrameSize, int bNeedACK, u32 uDMAIdx, struct ethhdr *psEthHeader, bool need_rts); @@ -841,6 +842,7 @@ static void s_vFillCTSHead(struct vnt_private *pDevice, u32 uDMAIdx, static void s_vGenerateTxParameter(struct vnt_private *pDevice, u8 byPktType, u16 wCurrentRate, struct vnt_tx_buffer *tx_buffer, + struct vnt_mic_hdr **mic_hdr, u32 need_mic, void *rts_cts, u32 cbFrameSize, int bNeedACK, u32 uDMAIdx, struct ethhdr *psEthHeader, bool need_rts) { @@ -883,6 +885,9 @@ static void s_vGenerateTxParameter(struct vnt_private *pDevice, pBuf->wTxRrvTime_b = vnt_rxtx_rsvtime_le16(pDevice, PK_TYPE_11B, cbFrameSize, pDevice->byTopCCKBasicRate, bNeedACK); + if (need_mic) + *mic_hdr = &tx_buffer->tx_head.tx_rts.tx.mic.hdr; + /* Fill RTS */ s_vFillRTSHead(pDevice, byPktType, head, cbFrameSize, bNeedACK, psEthHeader, wCurrentRate, byFBOption); @@ -898,6 +903,10 @@ static void s_vGenerateTxParameter(struct vnt_private *pDevice, pDevice->byTopCCKBasicRate, bNeedACK); pBuf->wCTSTxRrvTime_ba = s_uGetRTSCTSRsvTime(pDevice, 3, byPktType, cbFrameSize, wCurrentRate); + + if (need_mic) + *mic_hdr = &tx_buffer->tx_head.tx_cts.tx.mic.hdr; + /* Fill CTS */ s_vFillCTSHead(pDevice, uDMAIdx, byPktType, head, cbFrameSize, bNeedACK, wCurrentRate, byFBOption); @@ -912,6 +921,9 @@ static void s_vGenerateTxParameter(struct vnt_private *pDevice, byPktType, cbFrameSize, wCurrentRate); pBuf->wTxRrvTime = vnt_rxtx_rsvtime_le16(pDevice, byPktType, cbFrameSize, wCurrentRate, bNeedACK); + if (need_mic) + *mic_hdr = &tx_buffer->tx_head.tx_ab.tx.mic.hdr; + /* Fill RTS */ s_vFillRTSHead(pDevice, byPktType, head, cbFrameSize, bNeedACK, psEthHeader, wCurrentRate, byFBOption); @@ -919,6 +931,9 @@ static void s_vGenerateTxParameter(struct vnt_private *pDevice, //Fill RsvTime struct vnt_rrv_time_ab *pBuf = &tx_buffer->tx_head.tx_ab.ab; + if (need_mic) + *mic_hdr = &tx_buffer->tx_head.tx_ab.tx.mic.hdr; + pBuf->wTxRrvTime = vnt_rxtx_rsvtime_le16(pDevice, PK_TYPE_11A, cbFrameSize, wCurrentRate, bNeedACK); } @@ -932,6 +947,10 @@ static void s_vGenerateTxParameter(struct vnt_private *pDevice, byPktType, cbFrameSize, wCurrentRate); pBuf->wTxRrvTime = vnt_rxtx_rsvtime_le16(pDevice, PK_TYPE_11B, cbFrameSize, wCurrentRate, bNeedACK); + + if (need_mic) + *mic_hdr = &tx_buffer->tx_head.tx_ab.tx.mic.hdr; + /* Fill RTS */ s_vFillRTSHead(pDevice, byPktType, head, cbFrameSize, bNeedACK, psEthHeader, wCurrentRate, byFBOption); @@ -940,6 +959,9 @@ static void s_vGenerateTxParameter(struct vnt_private *pDevice, //Fill RsvTime struct vnt_rrv_time_ab *pBuf = &tx_buffer->tx_head.tx_ab.ab; + if (need_mic) + *mic_hdr = &tx_buffer->tx_head.tx_ab.tx.mic.hdr; + pBuf->wTxRrvTime = vnt_rxtx_rsvtime_le16(pDevice, PK_TYPE_11B, cbFrameSize, wCurrentRate, bNeedACK); } @@ -1108,8 +1130,6 @@ static int s_bPacketToWirelessUsb(struct vnt_private *pDevice, u8 byPktType, if (byPktType == PK_TYPE_11GB || byPktType == PK_TYPE_11GA) {//802.11g packet if (byFBOption == AUTO_FB_NONE) { if (bRTS == true) {//RTS_need - pMICHDR = (struct vnt_mic_hdr *)(pbyTxBufferAddr + wTxBufSize + - sizeof(struct vnt_rrv_time_rts)); rts_cts = (struct vnt_rts_g *) (pbyTxBufferAddr + wTxBufSize + sizeof(struct vnt_rrv_time_rts) + cbMICHDR); pvTxDataHd = (struct vnt_tx_datahead_g *) (pbyTxBufferAddr + @@ -1120,8 +1140,6 @@ static int s_bPacketToWirelessUsb(struct vnt_private *pDevice, u8 byPktType, sizeof(struct vnt_tx_datahead_g); } else { //RTS_needless - pMICHDR = (struct vnt_mic_hdr *) (pbyTxBufferAddr + wTxBufSize + - sizeof(struct vnt_rrv_time_cts)); rts_cts = (struct vnt_cts *) (pbyTxBufferAddr + wTxBufSize + sizeof(struct vnt_rrv_time_cts) + cbMICHDR); pvTxDataHd = (struct vnt_tx_datahead_g *)(pbyTxBufferAddr + @@ -1134,8 +1152,6 @@ static int s_bPacketToWirelessUsb(struct vnt_private *pDevice, u8 byPktType, } else { // Auto Fall Back if (bRTS == true) {//RTS_need - pMICHDR = (struct vnt_mic_hdr *) (pbyTxBufferAddr + wTxBufSize + - sizeof(struct vnt_rrv_time_rts)); rts_cts = (struct vnt_rts_g_fb *)(pbyTxBufferAddr + wTxBufSize + sizeof(struct vnt_rrv_time_rts) + cbMICHDR); pvTxDataHd = (struct vnt_tx_datahead_g_fb *) (pbyTxBufferAddr + @@ -1146,8 +1162,6 @@ static int s_bPacketToWirelessUsb(struct vnt_private *pDevice, u8 byPktType, sizeof(struct vnt_tx_datahead_g_fb); } else if (bRTS == false) { //RTS_needless - pMICHDR = (struct vnt_mic_hdr *) (pbyTxBufferAddr + wTxBufSize + - sizeof(struct vnt_rrv_time_cts)); rts_cts = (struct vnt_cts_fb *) (pbyTxBufferAddr + wTxBufSize + sizeof(struct vnt_rrv_time_cts) + cbMICHDR); pvTxDataHd = (struct vnt_tx_datahead_g_fb *) (pbyTxBufferAddr + @@ -1162,8 +1176,6 @@ static int s_bPacketToWirelessUsb(struct vnt_private *pDevice, u8 byPktType, else {//802.11a/b packet if (byFBOption == AUTO_FB_NONE) { if (bRTS == true) {//RTS_need - pMICHDR = (struct vnt_mic_hdr *)(pbyTxBufferAddr + wTxBufSize + - sizeof(struct vnt_rrv_time_ab)); rts_cts = (struct vnt_rts_ab *) (pbyTxBufferAddr + wTxBufSize + sizeof(struct vnt_rrv_time_ab) + cbMICHDR); pvTxDataHd = (struct vnt_tx_datahead_ab *)(pbyTxBufferAddr + @@ -1174,8 +1186,6 @@ static int s_bPacketToWirelessUsb(struct vnt_private *pDevice, u8 byPktType, sizeof(struct vnt_tx_datahead_ab); } else if (bRTS == false) { //RTS_needless, no MICHDR - pMICHDR = (struct vnt_mic_hdr *) (pbyTxBufferAddr + wTxBufSize + - sizeof(struct vnt_rrv_time_ab)); pvTxDataHd = (struct vnt_tx_datahead_ab *)(pbyTxBufferAddr + wTxBufSize + sizeof(struct vnt_rrv_time_ab) + cbMICHDR); cbHeaderLength = wTxBufSize + sizeof(struct vnt_rrv_time_ab) + @@ -1184,8 +1194,6 @@ static int s_bPacketToWirelessUsb(struct vnt_private *pDevice, u8 byPktType, } else { // Auto Fall Back if (bRTS == true) {//RTS_need - pMICHDR = (struct vnt_mic_hdr *) (pbyTxBufferAddr + wTxBufSize + - sizeof(struct vnt_rrv_time_ab)); rts_cts = (struct vnt_rts_a_fb *)(pbyTxBufferAddr + wTxBufSize + sizeof(struct vnt_rrv_time_ab) + cbMICHDR); pvTxDataHd = (struct vnt_tx_datahead_a_fb *)(pbyTxBufferAddr + @@ -1196,8 +1204,6 @@ static int s_bPacketToWirelessUsb(struct vnt_private *pDevice, u8 byPktType, sizeof(struct vnt_tx_datahead_a_fb); } else if (bRTS == false) { //RTS_needless - pMICHDR = (struct vnt_mic_hdr *)(pbyTxBufferAddr + wTxBufSize + - sizeof(struct vnt_rrv_time_ab)); pvTxDataHd = (struct vnt_tx_datahead_a_fb *)(pbyTxBufferAddr + wTxBufSize + sizeof(struct vnt_rrv_time_ab) + cbMICHDR); cbHeaderLength = wTxBufSize + sizeof(struct vnt_rrv_time_ab) + @@ -1220,7 +1226,7 @@ static int s_bPacketToWirelessUsb(struct vnt_private *pDevice, u8 byPktType, //Fill FIFO,RrvTime,RTS,and CTS s_vGenerateTxParameter(pDevice, byPktType, wCurrentRate, - tx_buffer, rts_cts, + tx_buffer, &pMICHDR, cbMICHDR, rts_cts, cbFrameSize, bNeedACK, uDMAIdx, psEthHeader, bRTS); //Fill DataHead uDuration = s_uFillDataHead(pDevice, byPktType, wCurrentRate, pvTxDataHd, cbFrameSize, uDMAIdx, bNeedACK, @@ -1458,7 +1464,8 @@ CMD_STATUS csMgmt_xmit(struct vnt_private *pDevice, struct ethhdr sEthHeader; u8 byPktType, *pbyTxBufferAddr; void *rts_cts = NULL; - void *pvTxDataHd, *pMICHDR; + void *pvTxDataHd; + struct vnt_mic_hdr *pMICHDR = NULL; u32 uDuration, cbReqCount, cbHeaderSize, cbFrameBodySize, cbFrameSize; int bNeedACK, bIsPSPOLL = false; u32 cbIVlen = 0, cbICVlen = 0, cbMIClen = 0, cbFCSlen = 4; @@ -1590,7 +1597,6 @@ CMD_STATUS csMgmt_xmit(struct vnt_private *pDevice, //Set RrvTime/RTS/CTS Buffer if (byPktType == PK_TYPE_11GB || byPktType == PK_TYPE_11GA) {//802.11g packet - pMICHDR = NULL; rts_cts = (struct vnt_cts *) (pbyTxBufferAddr + wTxBufSize + sizeof(struct vnt_rrv_time_cts)); pvTxDataHd = (struct vnt_tx_datahead_g *)(pbyTxBufferAddr + wTxBufSize + @@ -1599,7 +1605,6 @@ CMD_STATUS csMgmt_xmit(struct vnt_private *pDevice, sizeof(struct vnt_cts) + sizeof(struct vnt_tx_datahead_g); } else { // 802.11a/b packet - pMICHDR = NULL; pvTxDataHd = (struct vnt_tx_datahead_ab *) (pbyTxBufferAddr + wTxBufSize + sizeof(struct vnt_rrv_time_ab)); cbHeaderSize = wTxBufSize + sizeof(struct vnt_rrv_time_ab) + @@ -1619,7 +1624,7 @@ CMD_STATUS csMgmt_xmit(struct vnt_private *pDevice, /* Fill FIFO,RrvTime,RTS,and CTS */ s_vGenerateTxParameter(pDevice, byPktType, wCurrentRate, - pTX_Buffer, rts_cts, + pTX_Buffer, &pMICHDR, 0, rts_cts, cbFrameSize, bNeedACK, TYPE_TXDMA0, &sEthHeader, false); //Fill DataHead @@ -1828,7 +1833,7 @@ void vDMA0_tx_80211(struct vnt_private *pDevice, struct sk_buff *skb) u16 wTxBufSize; u32 cbMacHdLen; struct ethhdr sEthHeader; - void *pMICHDR; + struct vnt_mic_hdr *pMICHDR; u32 wCurrentRate = RATE_1M; PUWLAN_80211HDR p80211Header; u32 uNodeIndex = 0; @@ -1998,8 +2003,6 @@ void vDMA0_tx_80211(struct vnt_private *pDevice, struct sk_buff *skb) //the rest of pTxBufHead->wFragCtl:FragTyp will be set later in s_vFillFragParameter() if (byPktType == PK_TYPE_11GB || byPktType == PK_TYPE_11GA) {//802.11g packet - pMICHDR = (struct vnt_mic_hdr *) (pbyTxBufferAddr + wTxBufSize + - sizeof(struct vnt_rrv_time_cts)); rts_cts = (struct vnt_cts *) (pbyTxBufferAddr + wTxBufSize + sizeof(struct vnt_rrv_time_cts) + cbMICHDR); pvTxDataHd = (struct vnt_tx_datahead_g *) (pbyTxBufferAddr + @@ -2010,8 +2013,6 @@ void vDMA0_tx_80211(struct vnt_private *pDevice, struct sk_buff *skb) } else {//802.11a/b packet - pMICHDR = (struct vnt_mic_hdr *) (pbyTxBufferAddr + wTxBufSize + - sizeof(struct vnt_rrv_time_ab)); pvTxDataHd = (struct vnt_tx_datahead_ab *)(pbyTxBufferAddr + wTxBufSize + sizeof(struct vnt_rrv_time_ab) + cbMICHDR); cbHeaderSize = wTxBufSize + sizeof(struct vnt_rrv_time_ab) + cbMICHDR + @@ -2030,7 +2031,7 @@ void vDMA0_tx_80211(struct vnt_private *pDevice, struct sk_buff *skb) /* Fill FIFO,RrvTime,RTS,and CTS */ s_vGenerateTxParameter(pDevice, byPktType, wCurrentRate, - pTX_Buffer, rts_cts, + pTX_Buffer, &pMICHDR, cbMICHDR, rts_cts, cbFrameSize, bNeedACK, TYPE_TXDMA0, &sEthHeader, false); //Fill DataHead -- 1.8.3.2