IP_SRC
rule_match_set(r_match->key, IP_SRC, match.key->src);
rule_match_set(r_match->mask, IP_SRC, match.mask->src);
rss_en_mask |= FBNIC_FH_2_RSSEM_BIT(IP_SRC, IP_SRC, flow_hash);
.remote_addr = IP_SRC,