flowi4_iif
fl4.flowi4_iif = LOOPBACK_IFINDEX;
fl4->flowi4_iif = LOOPBACK_IFINDEX;
__entry->iif = flp->flowi4_iif;
fl4.flowi4_iif = 1;
fl4.flowi4_iif = params->ifindex;
.flowi4_iif = LOOPBACK_IFINDEX,
fl4.flowi4_iif = oif ? : LOOPBACK_IFINDEX;
.flowi4_iif = LOOPBACK_IFINDEX,
.flowi4_iif = (rt_is_output_route(rt) ?
.flowi4_iif = skb->skb_iif ? : LOOPBACK_IFINDEX,
flow.flowi4_iif = LOOPBACK_IFINDEX;
fl4.flowi4_iif = nft_out(pkt)->ifindex;
.flowi4_iif = LOOPBACK_IFINDEX,
.flowi4_iif = skb->dev->ifindex,
fl4.flowi4_iif = dev->ifindex;
fl4->flowi4_iif = LOOPBACK_IFINDEX;
if (nla_put_u32(skb, RTA_IIF, fl4->flowi4_iif))
fl4.flowi4_iif = iif; /* for rt_fill_info */
fl4.flowi4_iif = LOOPBACK_IFINDEX;
xdst->u.rt.rt_iif = fl4->flowi4_iif;
fl.u.ip4.flowi4_iif = nft_in(pkt)->ifindex;
fl.u.ip4.flowi4_iif = this_dst->dev->ifindex;