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authorRusty Russell <rusty@rustcorp.com.au>2007-03-28 23:29:08 +0200
committerDavid S. Miller <davem@sunset.davemloft.net>2007-04-26 07:28:26 +0200
commitc45d286e72dd72c0229dc9e2849743ba427fee84 (patch)
tree1fb22a5e71c89043671380087def5bc419a37886 /README
parent[NET]: random functions can use nsec resolution instead of usec (diff)
downloadlinux-c45d286e72dd72c0229dc9e2849743ba427fee84.tar.xz
linux-c45d286e72dd72c0229dc9e2849743ba427fee84.zip
[NET]: Inline net_device_stats
Network drivers which keep stats allocate their own stats structure then write a get_stats() function to return them. It would be nice if this were done by default. 1) Add a new "stats" field to "struct net_device". 2) Add a new feature field to say "this driver uses the internal one" 3) Have a default "get_stats" which returns NULL if that feature not set. 4) Change callers to check result of get_stats call for NULL, not if ->get_stats is set. This should not break backwards compatibility with older drivers, yet allow modern drivers to shed some boilerplate code. Lightly tested: works for a modified lguest network driver. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: David S. Miller <davem@davemloft.net>
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