From de27d001d187721de775ed9e0c485aa6f517c745 Mon Sep 17 00:00:00 2001 From: Vlad Yasevich Date: Thu, 15 Nov 2012 08:49:12 +0000 Subject: 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 Signed-off-by: David S. Miller --- include/net/protocol.h | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'include/net/protocol.h') 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); -- cgit