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staging: vt6656: rxtx.c add no rts struct vnt_tx_datahead_ab 

Add no rts/cts vnt_tx_datahead_ab to union vnt_tx_data_head.

The need_mic now applies to all modes of packet type PK_TYPE_11B.

and return vnt_rxtx_datahead_ab in s_vGenerateTxParameter

This removes pvTxDataHd pointer assignment and calls to s_uFillDataHead.

Since pvTxDataHd is now null a small vendor hack to vDMA0_tx_80211/csMgmt_xmit
to do with Disassociation-packet is also changed correct head position.

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Malcolm Priestley 2013-10-01 16:03:40 +01:00 committed by Greg Kroah-Hartman
parent 5634a5ab6a
commit c12dca0946
2 changed files with 18 additions and 27 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

44
drivers/staging/vt6656/rxtx.c
View File

@ -966,6 +966,13 @@ static u16 s_vGenerateTxParameter(struct vnt_private *pDevice,
}
}
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) {
//Fill RsvTime
struct vnt_rrv_time_ab *pBuf = &tx_buffer->tx_head.tx_ab.ab;
@ -975,13 +982,6 @@ static u16 s_vGenerateTxParameter(struct vnt_private *pDevice,
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;
head = &tx_buffer->tx_head.tx_ab.tx.mic.head;
} else {
head = &tx_buffer->tx_head.tx_ab.tx.head;
}
/* Fill RTS */
return s_vFillRTSHead(pDevice, byPktType, head, cbFrameSize,
bNeedACK, psEthHeader, wCurrentRate, byFBOption);
@ -990,11 +990,11 @@ static u16 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);
return vnt_rxtx_datahead_ab(pDevice, byPktType, wCurrentRate,
&head->data_head_ab, cbFrameSize, bNeedACK);
}
}
//DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"s_vGenerateTxParameter END.\n");
@ -1188,8 +1188,6 @@ static int s_bPacketToWirelessUsb(struct vnt_private *pDevice, u8 byPktType,
cbMICHDR + sizeof(struct vnt_rts_ab);
}
else if (bRTS == false) { //RTS_needless, no MICHDR
pvTxDataHd = (struct vnt_tx_datahead_ab *)(pbyTxBufferAddr +
wTxBufSize + sizeof(struct vnt_rrv_time_ab) + cbMICHDR);
cbHeaderLength = wTxBufSize + sizeof(struct vnt_rrv_time_ab) +
cbMICHDR + sizeof(struct vnt_tx_datahead_ab);
}
@ -1222,10 +1220,7 @@ static int s_bPacketToWirelessUsb(struct vnt_private *pDevice, u8 byPktType,
uDuration = s_vGenerateTxParameter(pDevice, byPktType, wCurrentRate,
tx_buffer, &pMICHDR, cbMICHDR,
cbFrameSize, bNeedACK, uDMAIdx, psEthHeader, bRTS);
//Fill DataHead
if (pvTxDataHd)
uDuration |= s_uFillDataHead(pDevice, byPktType, wCurrentRate,
pvTxDataHd, cbFrameSize, uDMAIdx, bNeedACK, byFBOption);
// Generate TX MAC Header
s_vGenerateMACHeader(pDevice, pbyMacHdr, (u16)uDuration, psEthHeader, bNeedEncryption,
byFragType, uDMAIdx, 0);
@ -1458,7 +1453,6 @@ CMD_STATUS csMgmt_xmit(struct vnt_private *pDevice,
struct ieee80211_hdr *pMACHeader;
struct ethhdr sEthHeader;
u8 byPktType, *pbyTxBufferAddr;
void *pvTxDataHd;
struct vnt_mic_hdr *pMICHDR = NULL;
u32 uDuration, cbReqCount, cbHeaderSize, cbFrameBodySize, cbFrameSize;
int bNeedACK, bIsPSPOLL = false;
@ -1595,8 +1589,6 @@ CMD_STATUS csMgmt_xmit(struct vnt_private *pDevice,
sizeof(struct vnt_cts);
}
else { // 802.11a/b packet
pvTxDataHd = (struct vnt_tx_datahead_ab *) (pbyTxBufferAddr +
wTxBufSize + sizeof(struct vnt_rrv_time_ab));
cbHeaderSize = wTxBufSize + sizeof(struct vnt_rrv_time_ab) +
sizeof(struct vnt_tx_datahead_ab);
}
@ -1617,10 +1609,6 @@ CMD_STATUS csMgmt_xmit(struct vnt_private *pDevice,
pTX_Buffer, &pMICHDR, 0,
cbFrameSize, bNeedACK, TYPE_TXDMA0, &sEthHeader, false);
//Fill DataHead
uDuration |= s_uFillDataHead(pDevice, byPktType, wCurrentRate, pvTxDataHd,
cbFrameSize, TYPE_TXDMA0, bNeedACK, AUTO_FB_NONE);
pMACHeader = (struct ieee80211_hdr *) (pbyTxBufferAddr + cbHeaderSize);
cbReqCount = cbHeaderSize + cbMacHdLen + uPadding + cbIVlen + cbFrameBodySize;
@ -1690,7 +1678,9 @@ CMD_STATUS csMgmt_xmit(struct vnt_private *pDevice,
data_head->wDuration_b =
cpu_to_le16(pPacket->p80211Header->sA2.wDurationID);
} else {
((struct vnt_tx_datahead_ab *)pvTxDataHd)->wDuration =
struct vnt_tx_datahead_ab *data_head = &pTX_Buffer->tx_head.
tx_ab.tx.head.data_head_ab;
data_head->wDuration =
cpu_to_le16(pPacket->p80211Header->sA2.wDurationID);
}
}
@ -1999,8 +1989,6 @@ void vDMA0_tx_80211(struct vnt_private *pDevice, struct sk_buff *skb)
}
else {//802.11a/b packet
pvTxDataHd = (struct vnt_tx_datahead_ab *)(pbyTxBufferAddr +
wTxBufSize + sizeof(struct vnt_rrv_time_ab) + cbMICHDR);
cbHeaderSize = wTxBufSize + sizeof(struct vnt_rrv_time_ab) + cbMICHDR +
sizeof(struct vnt_tx_datahead_ab);
}
@ -2139,7 +2127,9 @@ void vDMA0_tx_80211(struct vnt_private *pDevice, struct sk_buff *skb)
data_head->wDuration_b =
cpu_to_le16(p80211Header->sA2.wDurationID);
} else {
((struct vnt_tx_datahead_ab *)pvTxDataHd)->wDuration =
struct vnt_tx_datahead_ab *data_head = &pTX_Buffer->tx_head.
tx_ab.tx.head.data_head_ab;
data_head->wDuration =
cpu_to_le16(p80211Header->sA2.wDurationID);
}
}

1
drivers/staging/vt6656/rxtx.h
View File

@ -186,6 +186,7 @@ union vnt_tx_data_head {
struct vnt_cts_fb cts_g_fb;
/* no rts/cts */
struct vnt_tx_datahead_a_fb data_head_a_fb;
struct vnt_tx_datahead_ab data_head_ab;
};
struct vnt_tx_mic_hdr {