From: [EMAIL PROTECTED] (Eric W. Biederman) Date: Sat, 08 Sep 2007 15:35:46 -0600
> > This patch makes most of the generic device layer network > namespace safe. This patch makes dev_base_head a > network namespace variable, and then it picks up > a few associated variables. The functions: > dev_getbyhwaddr > dev_getfirsthwbytype > dev_get_by_flags > dev_get_by_name > __dev_get_by_name > dev_get_by_index > __dev_get_by_index > dev_ioctl > dev_ethtool > dev_load > wireless_process_ioctl > > were modified to take a network namespace argument, and > deal with it. > > vlan_ioctl_set and brioctl_set were modified so their > hooks will receive a network namespace argument. > > So basically anthing in the core of the network stack that was > affected to by the change of dev_base was modified to handle > multiple network namespaces. The rest of the network stack was > simply modified to explicitly use &init_net the initial network > namespace. This can be fixed when those components of the network > stack are modified to handle multiple network namespaces. > > For now the ifindex generator is left global. > > Fundametally ifindex numbers are per namespace, or else > we will have corner case problems with migration when > we get that far. > > At the same time there are assumptions in the network stack > that the ifindex of a network device won't change. Making > the ifindex number global seems a good compromise until > the network stack can cope with ifindex changes when > you change namespaces, and the like. > > Signed-off-by: Eric W. Biederman <[EMAIL PROTECTED]> Applied to net-2.6.24, thanks. - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
