/*
- * Copyright (c) 2007-2012 Nicira, Inc.
+ * Copyright (c) 2007-2015 Nicira, Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of version 2 of the GNU General Public
#include <linux/in.h>
#include <linux/in_route.h>
#include <linux/netlink.h>
+#include <net/ip.h>
#include <net/route.h>
#include <net/xfrm.h>
+#include <net/netfilter/ipv6/nf_defrag_ipv6.h>
-static inline void skb_clear_rxhash(struct sk_buff *skb)
-{
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)
- skb->rxhash = 0;
-#endif
-}
-
-#ifdef HAVE_PARALLEL_OPS
-#define SET_PARALLEL_OPS .parallel_ops = true,
+#ifdef HAVE_GENL_MULTICAST_GROUP_WITH_ID
+#define GROUP_ID(grp) ((grp)->id)
#else
-#define SET_PARALLEL_OPS
+#define GROUP_ID(grp) 0
#endif
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36)
#define inet_sport(sk) (inet_sk(sk)->inet_sport)
#endif
-static inline struct rtable *find_route(struct net *net,
- __be32 *saddr, __be32 daddr,
- u8 ipproto, u8 tos, u32 skb_mark)
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,8,0)
+static inline bool skb_encapsulation(struct sk_buff *skb)
{
- struct rtable *rt;
- /* Tunnel configuration keeps DSCP part of TOS bits, But Linux
- * router expect RT_TOS bits only. */
-
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,39)
- struct flowi fl = { .nl_u = { .ip4_u = {
- .daddr = daddr,
- .saddr = *saddr,
- .tos = RT_TOS(tos) } },
- .mark = skb_mark,
- .proto = ipproto };
-
- if (unlikely(ip_route_output_key(net, &rt, &fl)))
- return ERR_PTR(-EADDRNOTAVAIL);
- *saddr = fl.nl_u.ip4_u.saddr;
- return rt;
+ return skb->encapsulation;
+}
#else
- struct flowi4 fl = { .daddr = daddr,
- .saddr = *saddr,
- .flowi4_tos = RT_TOS(tos),
- .flowi4_mark = skb_mark,
- .flowi4_proto = ipproto };
+#define skb_encapsulation(skb) false
+#endif
- rt = ip_route_output_key(net, &fl);
- *saddr = fl.saddr;
- return rt;
+#ifdef OVS_FRAGMENT_BACKPORT
+#ifdef HAVE_NF_IPV6_OPS_FRAGMENT
+static inline int __init ip6_output_init(void) { return 0; }
+static inline void ip6_output_exit(void) { }
+#else
+int __init ip6_output_init(void);
+void ip6_output_exit(void);
#endif
+
+static inline int __init compat_init(void)
+{
+ int err;
+
+ err = ipfrag_init();
+ if (err)
+ return err;
+
+ err = nf_ct_frag6_init();
+ if (err)
+ goto error_ipfrag_exit;
+
+ err = ip6_output_init();
+ if (err)
+ goto error_frag6_exit;
+
+ return 0;
+
+error_frag6_exit:
+ nf_ct_frag6_cleanup();
+error_ipfrag_exit:
+ rpl_ipfrag_fini();
+ return err;
}
+static inline void compat_exit(void)
+{
+ ip6_output_exit();
+ nf_ct_frag6_cleanup();
+ rpl_ipfrag_fini();
+}
+#else
+static inline int __init compat_init(void) { return 0; }
+static inline void compat_exit(void) { }
+#endif
+
#endif /* compat.h */