IPSEC_DIR_ANY
case IPSEC_DIR_ANY:
if (!(b->dir == IPSEC_DIR_ANY || a->dir == b->dir))
ipsec_invalpcbcache(inp->inp_sp, IPSEC_DIR_ANY);
if (dir != IPSEC_DIR_ANY && i != dir)
ipsec_invalpcbcache(pcbsp, IPSEC_DIR_ANY);
ipsec_invalpcbcache(pcbsp, IPSEC_DIR_ANY);