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authorStephen Hemminger <shemminger@vyatta.com>2008-11-19 21:32:24 -0800
committerDavid S. Miller <davem@davemloft.net>2008-11-19 21:32:24 -0800
commitd314774cf2cd5dfeb39a00d37deee65d4c627927 (patch)
tree1c7778b509cea814aa2b7115949667941037d07c /net/Kconfig
parent6b41e7dd90c6a628ab5fb8d781302d60a243b2ce (diff)
downloadlinaro-lsk-d314774cf2cd5dfeb39a00d37deee65d4c627927.tar.gz
netdev: network device operations infrastructure
This patch changes the network device internal API to move adminstrative operations out of the network device structure and into a separate structure. This patch involves some hackery to maintain compatablity between the new and old model, so all 300+ drivers don't have to be changed at once. For drivers that aren't converted yet, the netdevice_ops virt function list still resides in the net_device structure. For old protocols, the new net_device_ops are copied out to the old net_device pointers. After the transistion is completed the nag message can be changed to an WARN_ON, and the compatiablity code can be made configurable. Some function pointers aren't moved: * destructor can't be in net_device_ops because it may need to be referenced after the module is unloaded. * neighbor setup is manipulated in a couple of places that need special consideration * hard_start_xmit is in the fast path for transmit. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/Kconfig')
-rw-r--r--net/Kconfig3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/Kconfig b/net/Kconfig
index 8c3d97ca0d9..4e2e40ba8ba 100644
--- a/net/Kconfig
+++ b/net/Kconfig
@@ -32,6 +32,9 @@ config NET_NS
Allow user space to create what appear to be multiple instances
of the network stack.
+config COMPAT_NET_DEV_OPS
+ def_bool y
+
source "net/packet/Kconfig"
source "net/unix/Kconfig"
source "net/xfrm/Kconfig"