xfrm_gen_index   1592 net/xfrm/xfrm_policy.c 	policy->index = delpol ? delpol->index : xfrm_gen_index(net, dir, policy->index);
xfrm_gen_index   2266 net/xfrm/xfrm_policy.c 		pol->index = xfrm_gen_index(net, XFRM_POLICY_MAX+dir, 0);