drivers/net/netkit.c

20 	struct net_device __rcu *peer;
71 	struct net_device *peer;
75 	peer = rcu_dereference(nk->peer);
76 	if (unlikely(!peer || !(peer->flags & IFF_UP) ||
80 	netkit_prep_forward(skb, !net_eq(dev_net(dev), dev_net(peer)));
81 	skb->dev = peer;
92 			dev_sw_netstats_rx_add(peer, len);
117 	struct net_device *peer = rtnl_dereference(nk->peer);
119 	if (!peer)
121 	if (peer->flags & IFF_UP) {
123 		netif_carrier_on(peer);
131 	struct net_device *peer = rtnl_dereference(nk->peer);
134 	if (peer)
135 		netif_carrier_off(peer);
142 	struct net_device *peer;
146 	peer = rcu_dereference(nk->peer);
147 	if (peer)
148 		iflink = READ_ONCE(peer->ifindex);
161 	struct net_device *peer;
167 	peer = rcu_dereference(nk->peer);
168 	if (unlikely(!peer))
171 	nk2 = netkit_priv(peer);
175 	peer->needed_headroom = headroom;
183 	return rcu_dereference(netkit_priv(dev)->peer);
263 	struct net_device *peer = rtnl_dereference(nk->peer);
265 	return peer ? dev_net(peer) : dev_net(dev);
320 	struct net_device *peer;
373 	peer = rtnl_create_link(net, ifname, ifname_assign_type,
375 	if (IS_ERR(peer)) {
377 		return PTR_ERR(peer);
380 	netif_inherit_tso_max(peer, dev);
383 		eth_hw_addr_random(peer);
385 		peer->ifindex = ifmp->ifi_index;
387 	nk = netkit_priv(peer);
393 	err = register_netdevice(peer);
397 	netif_carrier_off(peer);
399 		dev_change_flags(peer, peer->flags & ~IFF_NOARP, NULL);
401 	err = rtnl_configure_link(peer, NULL, 0, NULL);
425 	rcu_assign_pointer(netkit_priv(dev)->peer, peer);
426 	rcu_assign_pointer(netkit_priv(peer)->peer, dev);
429 	unregister_netdevice(peer);
432 	free_netdev(peer);
490 		dev = rcu_dereference_rtnl(nk->peer);
706 		   nkl->location == BPF_NETKIT_PRIMARY ? "primary" : "peer");
821 	struct net_device *peer = rtnl_dereference(nk->peer);
823 	RCU_INIT_POINTER(nk->peer, NULL);
825 	if (peer) {
826 		nk = netkit_priv(peer);
827 		RCU_INIT_POINTER(nk->peer, NULL);
828 		unregister_netdevice_queue(peer, head);
837 	struct net_device *peer = rtnl_dereference(nk->peer);
856 				    "netkit peer info cannot be changed after device creation");
873 		if (peer)
877 		nk = netkit_priv(peer);
896 	struct net_device *peer = rtnl_dereference(nk->peer);
905 	if (peer) {
906 		nk = netkit_priv(peer);