/*
- * 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>
-
-#ifndef HAVE_NLA_NUL_STRING
-static inline int CHECK_NUL_STRING(struct nlattr *attr, int maxlen)
-{
- char *s;
- int len;
- if (!attr)
- return 0;
-
- len = nla_len(attr);
- if (len >= maxlen)
- return -EINVAL;
-
- s = nla_data(attr);
- if (s[len - 1] != '\0')
- return -EINVAL;
-
- return 0;
-}
+#ifdef HAVE_GENL_MULTICAST_GROUP_WITH_ID
+#define GROUP_ID(grp) ((grp)->id)
#else
-static inline int CHECK_NUL_STRING(struct nlattr *attr, int maxlen)
-{
- return 0;
-}
-#endif /* !HAVE_NLA_NUL_STRING */
-
-static inline void skb_clear_rxhash(struct sk_buff *skb)
-{
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)
- skb->rxhash = 0;
+#define GROUP_ID(grp) 0
#endif
-}
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,32)
-#define GENL_SOCK(net) (genl_sock)
-#define SET_NETNSOK
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36)
+#define rt_dst(rt) (rt->dst)
#else
-#define GENL_SOCK(net) ((net)->genl_sock)
-#define SET_NETNSOK .netnsok = true,
+#define rt_dst(rt) (rt->u.dst)
#endif
-#ifdef HAVE_PARALLEL_OPS
-#define SET_PARALLEL_OPS .parallel_ops = true,
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,33)
+#define inet_sport(sk) (inet_sk(sk)->sport)
#else
-#define SET_PARALLEL_OPS
-#endif
-
-
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20)
-#ifdef CONFIG_NETFILTER
-static inline u32 skb_get_mark(struct sk_buff *skb)
-{
- return skb->nfmark;
-}
-
-static inline void skb_set_mark(struct sk_buff *skb, u32 mark)
-{
- skb->nfmark = mark;
-}
-#else /* CONFIG_NETFILTER */
-static inline u32 skb_get_mark(struct sk_buff *skb)
-{
- return 0;
-}
-
-static inline void skb_set_mark(struct sk_buff *skb, u32 mark)
-{
-}
+#define inet_sport(sk) (inet_sk(sk)->inet_sport)
#endif
-#else /* before 2.6.20 */
-static inline u32 skb_get_mark(struct sk_buff *skb)
-{
- return skb->mark;
-}
-static inline void skb_set_mark(struct sk_buff *skb, u32 mark)
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,8,0)
+static inline bool skb_encapsulation(struct sk_buff *skb)
{
- skb->mark = mark;
+ return skb->encapsulation;
}
-#endif /* after 2.6.20 */
-
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36)
-#define rt_dst(rt) (rt->dst)
#else
-#define rt_dst(rt) (rt->u.dst)
+#define skb_encapsulation(skb) false
#endif
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,33)
-#define inet_sport(sk) (inet_sk(sk)->sport)
+#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
-#define inet_sport(sk) (inet_sk(sk)->inet_sport)
+int __init ip6_output_init(void);
+void ip6_output_exit(void);
#endif
-static inline struct rtable *find_route(struct net *net,
- __be32 *saddr, __be32 daddr,
- u8 ipproto, u8 tos, u32 skb_mark)
+static inline int __init compat_init(void)
{
- struct rtable *rt;
- /* Tunnel configuration keeps DSCP part of TOS bits, But Linux
- * router expect RT_TOS bits only. */
+ int err;
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,39)
- struct flowi fl = { .nl_u = { .ip4_u = {
- .daddr = daddr,
- .saddr = *saddr,
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20)
- .fwmark = skb_mark,
-#endif
- .tos = RT_TOS(tos) } },
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)
- .mark = skb_mark,
-#endif
- .proto = ipproto };
+ err = ipfrag_init();
+ if (err)
+ return err;
- if (unlikely(ip_route_output_key(net, &rt, &fl)))
- return ERR_PTR(-EADDRNOTAVAIL);
- *saddr = fl.nl_u.ip4_u.saddr;
- return rt;
-#else
- struct flowi4 fl = { .daddr = daddr,
- .saddr = *saddr,
- .flowi4_tos = RT_TOS(tos),
- .flowi4_mark = skb_mark,
- .flowi4_proto = ipproto };
+ err = nf_ct_frag6_init();
+ if (err)
+ goto error_ipfrag_exit;
- rt = ip_route_output_key(net, &fl);
- *saddr = fl.saddr;
- return rt;
-#endif
+ 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 */