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staging: vt6656: vnt_beacon_buffer attach mac header.

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Attach ieee80211_hdr to vnt_beacon_buffer and remove pointer arithmetic.

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Malcolm Priestley 2013-11-24 13:27:32 +00:00 committed by Greg Kroah-Hartman
parent c7c57b24a5
commit 0b71fe36c5
2 changed files with 10 additions and 10 deletions
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19
drivers/staging/vt6656/rxtx.c
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@ -1650,7 +1650,6 @@ CMD_STATUS csBeacon_xmit(struct vnt_private *pDevice,
u16 wCurrentRate;
u32 cbFrameBodySize;
u32 cbReqCount;
u8 *pbyTxBufferAddr;
struct vnt_usb_send_context *pContext;
CMD_STATUS status;
@ -1663,7 +1662,6 @@ CMD_STATUS csBeacon_xmit(struct vnt_private *pDevice,
pTX_Buffer = (struct vnt_beacon_buffer *)&pContext->Data[0];
short_head = &pTX_Buffer->short_head;
pbyTxBufferAddr = (u8 *)&short_head->fifo_ctl;
cbFrameBodySize = pPacket->cbPayloadLen;
@ -1697,15 +1695,16 @@ CMD_STATUS csBeacon_xmit(struct vnt_private *pDevice,
}
//Generate Beacon Header
pMACHeader = (struct ieee80211_hdr *)(pbyTxBufferAddr + cbHeaderSize);
memcpy(pMACHeader, pPacket->p80211Header, pPacket->cbMPDULen);
/* Generate Beacon Header */
pMACHeader = &pTX_Buffer->hdr;
pMACHeader->duration_id = 0;
pMACHeader->seq_ctrl = cpu_to_le16(pDevice->wSeqCounter << 4);
pDevice->wSeqCounter++ ;
if (pDevice->wSeqCounter > 0x0fff)
pDevice->wSeqCounter = 0;
memcpy(pMACHeader, pPacket->p80211Header, pPacket->cbMPDULen);
pMACHeader->duration_id = 0;
pMACHeader->seq_ctrl = cpu_to_le16(pDevice->wSeqCounter << 4);
pDevice->wSeqCounter++;
if (pDevice->wSeqCounter > 0x0fff)
pDevice->wSeqCounter = 0;
cbReqCount = cbHeaderSize + WLAN_HDR_ADDR3_LEN + cbFrameBodySize;

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

@ -243,6 +243,7 @@ struct vnt_beacon_buffer {
u8 byPKTNO;
u16 wTxByteCount;
struct vnt_tx_short_buf_head short_head;
struct ieee80211_hdr hdr;
} __packed;
void vDMA0_tx_80211(struct vnt_private *, struct sk_buff *skb);