diff options
| author | Vlad Yasevich <vyasevic@redhat.com> | 2012-11-15 12:49:12 +0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-11-16 02:36:17 +0400 |
| commit | de27d001d187721de775ed9e0c485aa6f517c745 (patch) | |
| tree | 08947ffb402922f7384e61563d201761171fdbb1 /include/net/protocol.h | |
| parent | 22061d8014455b01eb018bd6c35a1b3040ccc230 (diff) | |
| download | linux-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.h | 12 |
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); |