/*
- * Copyright (c) 2010, 2011 Nicira Networks.
- * Distributed under the terms of the GNU GPL version 2.
+ * Copyright (c) 2007-2011 Nicira Networks.
*
- * Significant portions of this file may be copied from parts of the Linux
- * kernel, by Linus Torvalds and others.
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
*/
#ifndef TUNNEL_H
#define TNL_T_KEY_MATCH (1 << 11)
/* Private flags not exposed to userspace in this form. */
-#define TNL_F_IN_KEY_MATCH (1 << 16) /* Store the key in tun_id to match in flow table. */
-#define TNL_F_OUT_KEY_ACTION (1 << 17) /* Get the key from a SET_TUNNEL action. */
+#define TNL_F_IN_KEY_MATCH (1 << 16) /* Store the key in tun_id to
+ * match in flow table. */
+#define TNL_F_OUT_KEY_ACTION (1 << 17) /* Get the key from a SET_TUNNEL
+ * action. */
/* All public tunnel flags. */
#define TNL_F_PUBLIC (TNL_F_CSUM | TNL_F_TOS_INHERIT | TNL_F_TTL_INHERIT | \
u32 tunnel_type;
};
-#define PORT_KEY_LEN (offsetof(struct port_lookup_key, tunnel_type) + \
+#define PORT_KEY_LEN (offsetof(struct port_lookup_key, tunnel_type) + \
FIELD_SIZEOF(struct port_lookup_key, tunnel_type))
/**
u32 flags;
u8 tos;
u8 ttl;
+
+ /* Multicast configuration. */
+ int mlink;
};
struct tnl_ops {
struct rcu_head rcu;
int len; /* Length of data to be memcpy'd from cache. */
+ int hh_len; /* Hardware hdr length, cached from hh_cache. */
- /* Sequence number of mutable->seq from which this cache was generated. */
+ /* Sequence number of mutable->seq from which this cache was
+ * generated. */
unsigned mutable_seq;
#ifdef HAVE_HH_SEQ
atomic_t frag_id;
spinlock_t cache_lock;
- struct tnl_cache __rcu *cache; /* Protected by RCU/cache_lock. */
+ struct tnl_cache __rcu *cache; /* Protected by RCU/cache_lock. */
#ifdef NEED_CACHE_TIMEOUT
/*