#include <net/protocol.h>
const struct inet6_protocol __rcu *inet6_protos[MAX_INET_PROTOS] __read_mostly;
+const struct net_offload __rcu *inet6_offloads[MAX_INET_PROTOS] __read_mostly;
int inet6_add_protocol(const struct inet6_protocol *prot, unsigned char protocol)
{
}
EXPORT_SYMBOL(inet6_add_protocol);
+int inet6_add_offload(const struct net_offload *prot, unsigned char protocol)
+{
+ return !cmpxchg((const struct net_offload **)&inet6_offloads[protocol],
+ NULL, prot) ? 0 : -1;
+}
+EXPORT_SYMBOL(inet6_add_offload);
+
/*
* Remove a protocol from the hash tables.
*/
return ret;
}
EXPORT_SYMBOL(inet6_del_protocol);
+
+int inet6_del_offload(const struct net_offload *prot, unsigned char protocol)
+{
+ int ret;
+
+ ret = (cmpxchg((const struct net_offload **)&inet6_offloads[protocol],
+ prot, NULL) == prot) ? 0 : -1;
+
+ synchronize_net();
+
+ return ret;
+}
+EXPORT_SYMBOL(inet6_del_offload);