On Wed, 30 Sep 2020 22:07:06 +0100 Tom Parkin wrote: > The AC/PPPoE driver implements pseudowire type L2TP_PWTYPE_PPP_AC, for > use in a PPPoE Access Concentrator configuration. Rather than > terminating the PPP session locally, the AC/PPPoE driver forwards PPP > packets over an L2TP tunnel for termination at the LNS. > > l2tp_ac_pppoe provides a data path for PPPoE session packets, and > should be instantiated once a userspace process has completed the PPPoE > discovery process. > > To create an instance of an L2TP_PWTYPE_PPP_AC pseudowire, userspace > must use the L2TP_CMD_SESSION_CREATE netlink command, and pass the > following attributes: > > * L2TP_ATTR_IFNAME, to specify the name of the interface associated > with the PPPoE session; > * L2TP_ATTR_PPPOE_SESSION_ID, to specify the PPPoE session ID assigned > to the session; > * L2TP_ATTR_PPPOE_PEER_MAC_ADDR, to specify the MAC address of the > PPPoE peer
C=1 generates: net/l2tp/l2tp_ac_pppoe.c:234:20: warning: incorrect type in argument 1 (different address spaces) net/l2tp/l2tp_ac_pppoe.c:234:20: expected struct net_device *dev net/l2tp/l2tp_ac_pppoe.c:234:20: got struct net_device [noderef] __rcu *dev net/l2tp/l2tp_ac_pppoe.c:380:45: error: incompatible types in comparison expression (different address spaces): net/l2tp/l2tp_ac_pppoe.c:380:45: struct net_device [noderef] __rcu * net/l2tp/l2tp_ac_pppoe.c:380:45: struct net_device *
