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[NET] NETNS: Omit net_device->nd_net without CONFIG_NET_NS.

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Introduce per-net_device inlines: dev_net(), dev_net_set().
Without CONFIG_NET_NS, no namespace other than &init_net exists.
Let's explicitly define them to help compiler optimizations.

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
This commit is contained in:
YOSHIFUJI Hideaki 2008-03-25 21:47:49 +09:00
commit c346dca108
87 changed files with 251 additions and 228 deletions
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6
include/linux/inetdevice.h
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@ -70,13 +70,13 @@ static inline void ipv4_devconf_setall(struct in_device *in_dev)
ipv4_devconf_set((in_dev), NET_IPV4_CONF_ ## attr, (val))
#define IN_DEV_ANDCONF(in_dev, attr) \
(IPV4_DEVCONF_ALL(in_dev->dev->nd_net, attr) && \
(IPV4_DEVCONF_ALL(dev_net(in_dev->dev), attr) && \
IN_DEV_CONF_GET((in_dev), attr))
#define IN_DEV_ORCONF(in_dev, attr) \
(IPV4_DEVCONF_ALL(in_dev->dev->nd_net, attr) || \
(IPV4_DEVCONF_ALL(dev_net(in_dev->dev), attr) || \
IN_DEV_CONF_GET((in_dev), attr))
#define IN_DEV_MAXCONF(in_dev, attr) \
(max(IPV4_DEVCONF_ALL(in_dev->dev->nd_net, attr), \
(max(IPV4_DEVCONF_ALL(dev_net(in_dev->dev), attr), \
IN_DEV_CONF_GET((in_dev), attr)))
#define IN_DEV_FORWARD(in_dev) IN_DEV_CONF_GET((in_dev), FORWARDING)