IPSTAT_ADD
IPSTAT_ADD(ips_ofragments, nfrags);
IPSTAT_ADD(ips_fragtimeout, fp->ipq_nfrags);
IPSTAT_ADD(ips_fragdropped, fp->ipq_nfrags);
IPSTAT_ADD(ips_fragdropped, dropped);
IPSTAT_ADD(ips_fragtimeout, fp->ipq_nfrags);
#define IPSTAT_SUB(name, val) IPSTAT_ADD(name, -(val))
#define IPSTAT_INC(name) IPSTAT_ADD(name, 1)