_NET_STATADD
_NET_STATADD((ifp)->if_stats, x, v);
#define ARP_STATADD(x, v) _NET_STATADD(arpstat_percpu, x, v)
#define TCP_STATADD(x, v) _NET_STATADD(tcpstat_percpu, x, v)
#define IPSEC_STATADD(x, v) _NET_STATADD(ipsecstat_percpu, x, v)
#define AH_STATADD(x, v) _NET_STATADD(ahstat_percpu, x, v)
#define ESP_STATADD(x, v) _NET_STATADD(espstat_percpu, x, v)
#define IPCOMP_STATADD(x, v) _NET_STATADD(ipcompstat_percpu, x, v)
#define IPIP_STATADD(x, v) _NET_STATADD(ipipstat_percpu, x, v)
#define PFKEY_STATADD(x, v) _NET_STATADD(pfkeystat_percpu, x, v)