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| author | Eric Dumazet <eric.dumazet@gmail.com> | 2010-10-02 06:11:55 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-10-05 00:23:44 -0700 |
| commit | 24824a09e35402b8d58dcc5be803a5ad3937bdba (patch) | |
| tree | 65c5fa4046646623b130702c9abc92c485ec575b /include/linux/rtnetlink.h | |
| parent | 0bd9e6a964d86a19f54a9ba31168a37d64e451d1 (diff) | |
| download | lwn-24824a09e35402b8d58dcc5be803a5ad3937bdba.tar.gz lwn-24824a09e35402b8d58dcc5be803a5ad3937bdba.zip | |
net: dynamic ingress_queue allocation
ingress being not used very much, and net_device->ingress_queue being
quite a big object (128 or 256 bytes), use a dynamic allocation if
needed (tc qdisc add dev eth0 ingress ...)
dev_ingress_queue(dev) helper should be used only with RTNL taken.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/rtnetlink.h')
| -rw-r--r-- | include/linux/rtnetlink.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/rtnetlink.h b/include/linux/rtnetlink.h index 68c436bddc88..0bb7b48632bd 100644 --- a/include/linux/rtnetlink.h +++ b/include/linux/rtnetlink.h @@ -6,6 +6,7 @@ #include <linux/if_link.h> #include <linux/if_addr.h> #include <linux/neighbour.h> +#include <linux/netdevice.h> /* rtnetlink families. Values up to 127 are reserved for real address * families, values above 128 may be used arbitrarily. @@ -769,6 +770,13 @@ extern int lockdep_rtnl_is_held(void); #define rtnl_dereference(p) \ rcu_dereference_check(p, lockdep_rtnl_is_held()) +static inline struct netdev_queue *dev_ingress_queue(struct net_device *dev) +{ + return rtnl_dereference(dev->ingress_queue); +} + +extern struct netdev_queue *dev_ingress_queue_create(struct net_device *dev); + extern void rtnetlink_init(void); extern void __rtnl_unlock(void); |