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authorVlad Yasevich <vyasevic@redhat.com>2012-11-15 08:49:10 +0000
committerDavid S. Miller <davem@davemloft.net>2012-11-15 17:36:16 -0500
commit62532da9d5f47a7ced3b965aa73ffd5b1afbeb79 (patch)
tree520e8ca8c90116fb4f92db0c356474abed905c79 /include
parentMerge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net-next (diff)
downloadlinux-dev-62532da9d5f47a7ced3b965aa73ffd5b1afbeb79.tar.xz
linux-dev-62532da9d5f47a7ced3b965aa73ffd5b1afbeb79.zip
net: Add generic packet offload infrastructure.
Create a new data structure to contain the GRO/GSO callbacks and add a new registration mechanism. Singed-off-by: Vlad Yasevich <vyasevic@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
-rw-r--r--include/linux/netdevice.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 7bf867c97043..d45a58db4ba3 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1521,6 +1521,17 @@ struct packet_type {
struct list_head list;
};
+struct packet_offload {
+ __be16 type; /* This is really htons(ether_type). */
+ struct sk_buff *(*gso_segment)(struct sk_buff *skb,
+ netdev_features_t features);
+ int (*gso_send_check)(struct sk_buff *skb);
+ struct sk_buff **(*gro_receive)(struct sk_buff **head,
+ struct sk_buff *skb);
+ int (*gro_complete)(struct sk_buff *skb);
+ struct list_head list;
+};
+
#include <linux/notifier.h>
/* netdevice notifier chain. Please remember to update the rtnetlink
@@ -1615,6 +1626,9 @@ extern struct net_device *__dev_getfirstbyhwtype(struct net *net, unsigned short
extern void dev_add_pack(struct packet_type *pt);
extern void dev_remove_pack(struct packet_type *pt);
extern void __dev_remove_pack(struct packet_type *pt);
+extern void dev_add_offload(struct packet_offload *po);
+extern void dev_remove_offload(struct packet_offload *po);
+extern void __dev_remove_offload(struct packet_offload *po);
extern struct net_device *dev_get_by_flags_rcu(struct net *net, unsigned short flags,
unsigned short mask);