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authorEric Dumazet <eric.dumazet@gmail.com>2010-10-02 10:11:55 +0400
committerDavid S. Miller <davem@davemloft.net>2010-10-05 11:23:44 +0400
commit24824a09e35402b8d58dcc5be803a5ad3937bdba (patch)
tree65c5fa4046646623b130702c9abc92c485ec575b /include/linux/rtnetlink.h
parent0bd9e6a964d86a19f54a9ba31168a37d64e451d1 (diff)
downloadlinux-24824a09e35402b8d58dcc5be803a5ad3937bdba.tar.xz
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.h8
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);