IPOPT_IPV4_PROTOCOL_ENABLE
return ((ha->ip_config.ipv4_options & IPOPT_IPV4_PROTOCOL_ENABLE) != 0);
IPOPT_IPV4_PROTOCOL_ENABLE, pval);
if (ha->ip_config.ipv4_options & IPOPT_IPV4_PROTOCOL_ENABLE)
cpu_to_le16(IPOPT_IPV4_PROTOCOL_ENABLE);
cpu_to_le16(~IPOPT_IPV4_PROTOCOL_ENABLE &