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authorArnd Bergmann <arnd@arndb.de>2010-01-30 15:24:26 +0300
committerDavid S. Miller <davem@davemloft.net>2010-02-04 07:20:33 +0300
commit20d29d7a916a47bf533b5709437fe735b6b5b79e (patch)
tree8dbe4178b90915a18e83f97a3e71cdcd39892da1 /crypto/api.c
parentfc0663d6b5e6d8e9b57f872a644c0aafd82361b7 (diff)
downloadlinux-20d29d7a916a47bf533b5709437fe735b6b5b79e.tar.xz
net: macvtap driver
In order to use macvlan with qemu and other tools that require a tap file descriptor, the macvtap driver adds a small backend with a character device with the same interface as the tun driver, with a minimum set of features. Macvtap interfaces are created in the same way as macvlan interfaces using ip link, but the netif is just used as a handle for configuration and accounting, while the data goes through the chardev. Each macvtap interface has its own character device, simplifying permission management significantly over the generic tun/tap driver. Cc: Patrick McHardy <kaber@trash.net> Cc: Stephen Hemminger <shemminger@linux-foundation.org> Cc: David S. Miller" <davem@davemloft.net> Cc: "Michael S. Tsirkin" <mst@redhat.com> Cc: Herbert Xu <herbert@gondor.apana.org.au> Cc: Or Gerlitz <ogerlitz@voltaire.com> Cc: netdev@vger.kernel.org Cc: bridge@lists.linux-foundation.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'crypto/api.c')
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