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Staging: vt6655: simplify broadcast and multicast ethernet address test 

A broadcast address is also a multicast address so simplify test cases where
possible.

As suggested by Joe Perches.

Signed-off-by: Charles Clément <caratorn@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Charles Clément 2010-06-30 09:46:24 +02:00 коммит произвёл Greg Kroah-Hartman
Родитель 5583dcf587
Коммит 388bf2e8fe
2 изменённых файлов: 9 добавлений и 19 удалений
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2
drivers/staging/vt6655/dpc.c
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@ -443,7 +443,7 @@ device_receive_frame (
return FALSE;
}
if (!is_multicast_ether_addr(pbyFrame) && !is_broadcast_ether_addr(pbyFrame)) {
if (!is_multicast_ether_addr(pbyFrame)) {
if (WCTLbIsDuplicate(&(pDevice->sDupRxCache), (PS802_11Header) (skb->data + 4))) {
pDevice->s802_11Counter.FrameDuplicateCount++;
return FALSE;

26
drivers/staging/vt6655/rxtx.c
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@ -1372,13 +1372,10 @@ s_cbFillTxBufHead(PSDevice pDevice, unsigned char byPktType, unsigned char *pbyT
if ((pDevice->eOPMode == OP_MODE_ADHOC) ||
(pDevice->eOPMode == OP_MODE_AP)) {
if (is_multicast_ether_addr(&(psEthHeader->abyDstAddr[0])) ||
is_broadcast_ether_addr(&(psEthHeader->abyDstAddr[0]))) {
bNeedACK = FALSE;
}
else {
if (is_multicast_ether_addr(&(psEthHeader->abyDstAddr[0])))
bNeedACK = FALSE;
else
bNeedACK = TRUE;
}
bIsAdhoc = TRUE;
}
else {
@ -2091,8 +2088,7 @@ vGenerateFIFOHeader(PSDevice pDevice, unsigned char byPktType, unsigned char *pb
if ((pDevice->eOPMode == OP_MODE_ADHOC) ||
(pDevice->eOPMode == OP_MODE_AP)) {
if (is_multicast_ether_addr(&(psEthHeader->abyDstAddr[0])) ||
is_broadcast_ether_addr(&(psEthHeader->abyDstAddr[0]))) {
if (is_multicast_ether_addr(&(psEthHeader->abyDstAddr[0]))) {
bNeedACK = FALSE;
pTxBufHead->wFIFOCtl = pTxBufHead->wFIFOCtl & (~FIFOCTL_NEEDACK);
}
@ -2392,10 +2388,8 @@ CMD_STATUS csMgmt_xmit(PSDevice pDevice, PSTxMgmtPacket pPacket) {
pTxBufHead->wTimeStamp = cpu_to_le16(DEFAULT_MGN_LIFETIME_RES_64us);
if (is_multicast_ether_addr(&(pPacket->p80211Header->sA3.abyAddr1[0])) ||
is_broadcast_ether_addr(&(pPacket->p80211Header->sA3.abyAddr1[0]))) {
if (is_multicast_ether_addr(&(pPacket->p80211Header->sA3.abyAddr1[0])))
bNeedACK = FALSE;
}
else {
bNeedACK = TRUE;
pTxBufHead->wFIFOCtl |= FIFOCTL_NEEDACK;
@ -2728,13 +2722,10 @@ cbGetFragCount (
if ((pDevice->eOPMode == OP_MODE_ADHOC) ||
(pDevice->eOPMode == OP_MODE_AP)) {
if (is_multicast_ether_addr(&(psEthHeader->abyDstAddr[0])) ||
is_broadcast_ether_addr(&(psEthHeader->abyDstAddr[0]))) {
if (is_multicast_ether_addr(&(psEthHeader->abyDstAddr[0])))
bNeedACK = FALSE;
}
else {
else
bNeedACK = TRUE;
}
}
else {
// MSDUs in Infra mode always need ACK
@ -2906,8 +2897,7 @@ vDMA0_tx_80211(PSDevice pDevice, struct sk_buff *skb, unsigned char *pbMPDU, un
pTxBufHead->wTimeStamp = cpu_to_le16(DEFAULT_MGN_LIFETIME_RES_64us);
if (is_multicast_ether_addr(&(p80211Header->sA3.abyAddr1[0])) ||
is_broadcast_ether_addr(&(p80211Header->sA3.abyAddr1[0]))) {
if (is_multicast_ether_addr(&(p80211Header->sA3.abyAddr1[0]))) {
bNeedACK = FALSE;
if (pDevice->bEnableHostWEP) {
uNodeIndex = 0;