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authorVlad Yasevich <vyasevic@redhat.com>2012-11-15 12:49:12 +0400
committerDavid S. Miller <davem@davemloft.net>2012-11-16 02:36:17 +0400
commitde27d001d187721de775ed9e0c485aa6f517c745 (patch)
tree08947ffb402922f7384e61563d201761171fdbb1 /include/net/protocol.h
parent22061d8014455b01eb018bd6c35a1b3040ccc230 (diff)
downloadlinux-de27d001d187721de775ed9e0c485aa6f517c745.tar.xz
net: Add net protocol offload registration infrustructure
Create a new data structure for IPv4 protocols that holds GRO/GSO callbacks and a new array to track the protocols that register GRO/GSO. Signed-off-by: Vlad Yasevich <vyasevic@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/protocol.h')
-rw-r--r--include/net/protocol.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/net/protocol.h b/include/net/protocol.h
index 929528c73fe8..d8ecb17b1231 100644
--- a/include/net/protocol.h
+++ b/include/net/protocol.h
@@ -77,6 +77,15 @@ struct inet6_protocol {
#define INET6_PROTO_GSO_EXTHDR 0x4
#endif
+struct net_offload {
+ int (*gso_send_check)(struct sk_buff *skb);
+ struct sk_buff *(*gso_segment)(struct sk_buff *skb,
+ netdev_features_t features);
+ struct sk_buff **(*gro_receive)(struct sk_buff **head,
+ struct sk_buff *skb);
+ int (*gro_complete)(struct sk_buff *skb);
+};
+
/* This is used to register socket interfaces for IP protocols. */
struct inet_protosw {
struct list_head list;
@@ -96,6 +105,7 @@ struct inet_protosw {
#define INET_PROTOSW_ICSK 0x04 /* Is this an inet_connection_sock? */
extern const struct net_protocol __rcu *inet_protos[MAX_INET_PROTOS];
+extern const struct net_offload __rcu *inet_offloads[MAX_INET_PROTOS];
#if IS_ENABLED(CONFIG_IPV6)
extern const struct inet6_protocol __rcu *inet6_protos[MAX_INET_PROTOS];
@@ -103,6 +113,8 @@ extern const struct inet6_protocol __rcu *inet6_protos[MAX_INET_PROTOS];
extern int inet_add_protocol(const struct net_protocol *prot, unsigned char num);
extern int inet_del_protocol(const struct net_protocol *prot, unsigned char num);
+extern int inet_add_offload(const struct net_offload *prot, unsigned char num);
+extern int inet_del_offload(const struct net_offload *prot, unsigned char num);
extern void inet_register_protosw(struct inet_protosw *p);
extern void inet_unregister_protosw(struct inet_protosw *p);