ipv6: Add new offload registration infrastructure.

Create a new data structure for IPv6 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>
This commit is contained in:
Vlad Yasevich 2012-11-15 08:49:13 +00:00 committed by David S. Miller
parent de27d001d1
commit 8ca896cfdd
5 changed files with 45 additions and 0 deletions

View file

@ -84,6 +84,7 @@ struct net_offload {
struct sk_buff **(*gro_receive)(struct sk_buff **head,
struct sk_buff *skb);
int (*gro_complete)(struct sk_buff *skb);
unsigned int flags; /* Flags used by IPv6 for now */
};
/* This is used to register socket interfaces for IP protocols. */
@ -109,6 +110,7 @@ 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];
extern const struct net_offload __rcu *inet6_offloads[MAX_INET_PROTOS];
#endif
extern int inet_add_protocol(const struct net_protocol *prot, unsigned char num);
@ -121,6 +123,8 @@ extern void inet_unregister_protosw(struct inet_protosw *p);
#if IS_ENABLED(CONFIG_IPV6)
extern int inet6_add_protocol(const struct inet6_protocol *prot, unsigned char num);
extern int inet6_del_protocol(const struct inet6_protocol *prot, unsigned char num);
extern int inet6_add_offload(const struct net_offload *prot, unsigned char num);
extern int inet6_del_offload(const struct net_offload *prot, unsigned char num);
extern int inet6_register_protosw(struct inet_protosw *p);
extern void inet6_unregister_protosw(struct inet_protosw *p);
#endif