media: dvb_core: slight optimization of addr compare
Use possibly more efficient ether_addr_equal instead of memcmp. Cc: Mauro Carvalho Chehab <m.chehab@samsung.com> Cc: linux-media@vger.kernel.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> Signed-off-by: Ding Tianhong <dingtianhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -179,7 +179,7 @@ static __be16 dvb_net_eth_type_trans(struct sk_buff *skb,
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eth = eth_hdr(skb);
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eth = eth_hdr(skb);
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if (*eth->h_dest & 1) {
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if (*eth->h_dest & 1) {
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if(memcmp(eth->h_dest,dev->broadcast, ETH_ALEN)==0)
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if(ether_addr_equal(eth->h_dest,dev->broadcast))
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skb->pkt_type=PACKET_BROADCAST;
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skb->pkt_type=PACKET_BROADCAST;
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else
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else
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skb->pkt_type=PACKET_MULTICAST;
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skb->pkt_type=PACKET_MULTICAST;
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@ -674,11 +674,13 @@ static void dvb_net_ule( struct net_device *dev, const u8 *buf, size_t buf_len )
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if (priv->rx_mode != RX_MODE_PROMISC) {
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if (priv->rx_mode != RX_MODE_PROMISC) {
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if (priv->ule_skb->data[0] & 0x01) {
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if (priv->ule_skb->data[0] & 0x01) {
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/* multicast or broadcast */
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/* multicast or broadcast */
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if (memcmp(priv->ule_skb->data, bc_addr, ETH_ALEN)) {
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if (!ether_addr_equal(priv->ule_skb->data, bc_addr)) {
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/* multicast */
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/* multicast */
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if (priv->rx_mode == RX_MODE_MULTI) {
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if (priv->rx_mode == RX_MODE_MULTI) {
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int i;
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int i;
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for(i = 0; i < priv->multi_num && memcmp(priv->ule_skb->data, priv->multi_macs[i], ETH_ALEN); i++)
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for(i = 0; i < priv->multi_num &&
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!ether_addr_equal(priv->ule_skb->data,
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priv->multi_macs[i]); i++)
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;
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;
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if (i == priv->multi_num)
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if (i == priv->multi_num)
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drop = 1;
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drop = 1;
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@ -688,7 +690,7 @@ static void dvb_net_ule( struct net_device *dev, const u8 *buf, size_t buf_len )
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}
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}
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/* else: broadcast */
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/* else: broadcast */
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}
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}
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else if (memcmp(priv->ule_skb->data, dev->dev_addr, ETH_ALEN))
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else if (!ether_addr_equal(priv->ule_skb->data, dev->dev_addr))
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drop = 1;
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drop = 1;
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/* else: destination address matches the MAC address of our receiver device */
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/* else: destination address matches the MAC address of our receiver device */
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}
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}
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