udp6_ehash_secret 63 net/ipv6/udp.c static u32 udp6_ehash_secret __read_mostly; udp6_ehash_secret 68 net/ipv6/udp.c net_get_random_once(&udp6_ehash_secret, udp6_ehash_secret 69 net/ipv6/udp.c sizeof(udp6_ehash_secret));