/* ADV DTYP TUCMD MKRLOC/ISCSIHEDLEN */
        type_tucmd = E1000_ADVTXD_TUCMD_L4T_TCP;
 
-       if (first->protocol == __constant_htons(ETH_P_IP)) {
+       if (first->protocol == htons(ETH_P_IP)) {
                struct iphdr *iph = ip_hdr(skb);
                iph->tot_len = 0;
                iph->check = 0;
        } else {
                u8 l4_hdr = 0;
                switch (first->protocol) {
-               case __constant_htons(ETH_P_IP):
+               case htons(ETH_P_IP):
                        vlan_macip_lens |= skb_network_header_len(skb);
                        type_tucmd |= E1000_ADVTXD_TUCMD_IPV4;
                        l4_hdr = ip_hdr(skb)->protocol;
                        break;
-               case __constant_htons(ETH_P_IPV6):
+               case htons(ETH_P_IPV6):
                        vlan_macip_lens |= skb_network_header_len(skb);
                        l4_hdr = ipv6_hdr(skb)->nexthdr;
                        break;
        hdr.network += ETH_HLEN;
 
        /* handle any vlan tag if present */
-       if (protocol == __constant_htons(ETH_P_8021Q)) {
+       if (protocol == htons(ETH_P_8021Q)) {
                if ((hdr.network - data) > (max_len - VLAN_HLEN))
                        return max_len;
 
        }
 
        /* handle L3 protocols */
-       if (protocol == __constant_htons(ETH_P_IP)) {
+       if (protocol == htons(ETH_P_IP)) {
                if ((hdr.network - data) > (max_len - sizeof(struct iphdr)))
                        return max_len;
 
                /* record next protocol if header is present */
                if (!(hdr.ipv4->frag_off & htons(IP_OFFSET)))
                        nexthdr = hdr.ipv4->protocol;
-       } else if (protocol == __constant_htons(ETH_P_IPV6)) {
+       } else if (protocol == htons(ETH_P_IPV6)) {
                if ((hdr.network - data) > (max_len - sizeof(struct ipv6hdr)))
                        return max_len;