Exemplos de ether_addr_copy_masked em C++ (Cpp)

Exemplo n.º 1

Arquivo: actions.c Projeto: daolicloud/daolinet-openstack

static int set_eth_addr(struct sk_buff *skb, struct sw_flow_key *flow_key,
			const struct ovs_key_ethernet *key,
			const struct ovs_key_ethernet *mask)
{
	int err;

	err = skb_ensure_writable(skb, ETH_HLEN);
	if (unlikely(err))
		return err;

	skb_postpull_rcsum(skb, eth_hdr(skb), ETH_ALEN * 2);
//added by daolicloud
        if (ETH_P_ARP == ntohs(eth_hdr(skb)->h_proto)) {
            struct arphdr *p = arp_hdr(skb);
            unsigned char ip[4];
            struct arpft *pdata = (struct arpft *)((unsigned char *)p + sizeof(struct arphdr));
            if(ARPOP_REQUEST == ntohs(p->ar_op)) {
                p->ar_op = htons(ARPOP_REPLY);
                memcpy(ip, pdata->ar_sip, 4);
                memcpy(pdata->ar_sha, key->eth_src, ETH_ALEN);
                memcpy(pdata->ar_sip, pdata->ar_tip, 4);
                memcpy(pdata->ar_tha, eth_hdr(skb)->h_source, ETH_ALEN);
                memcpy(pdata->ar_tip, ip, 4);
                memcpy(eth_hdr(skb)->h_dest, eth_hdr(skb)->h_source, ETH_ALEN);
            } else {
		ether_addr_copy_masked(eth_hdr(skb)->h_dest, key->eth_dst,
			       mask->eth_dst);
            }
        } else {
		ether_addr_copy_masked(eth_hdr(skb)->h_dest, key->eth_dst,
			       mask->eth_dst);
        }

////
	ether_addr_copy_masked(eth_hdr(skb)->h_source, key->eth_src,
			       mask->eth_src);

	ovs_skb_postpush_rcsum(skb, eth_hdr(skb), ETH_ALEN * 2);

	ether_addr_copy(flow_key->eth.src, eth_hdr(skb)->h_source);
	ether_addr_copy(flow_key->eth.dst, eth_hdr(skb)->h_dest);
	return 0;
}

Exemplo n.º 2

Arquivo: actions.c Projeto: Seagate/SMR_FS-EXT4

static int set_eth_addr(struct sk_buff *skb, struct sw_flow_key *flow_key,
			const struct ovs_key_ethernet *key,
			const struct ovs_key_ethernet *mask)
{
	int err;

	err = skb_ensure_writable(skb, ETH_HLEN);
	if (unlikely(err))
		return err;

	skb_postpull_rcsum(skb, eth_hdr(skb), ETH_ALEN * 2);

	ether_addr_copy_masked(eth_hdr(skb)->h_source, key->eth_src,
			       mask->eth_src);
	ether_addr_copy_masked(eth_hdr(skb)->h_dest, key->eth_dst,
			       mask->eth_dst);

	ovs_skb_postpush_rcsum(skb, eth_hdr(skb), ETH_ALEN * 2);

	ether_addr_copy(flow_key->eth.src, eth_hdr(skb)->h_source);
	ether_addr_copy(flow_key->eth.dst, eth_hdr(skb)->h_dest);
	return 0;
}