[nf_ct_zone_init])
OVS_GREP_IFELSE([$KSRC/include/net/netfilter/nf_conntrack_labels.h],
[nf_connlabels_get])
+ OVS_GREP_IFELSE([$KSRC/include/net/netfilter/ipv6/nf_defrag_ipv6.h],
+ [nf_ct_frag6_consume_orig])
+ OVS_GREP_IFELSE([$KSRC/include/net/netfilter/ipv6/nf_defrag_ipv6.h],
+ [nf_ct_frag6_output])
OVS_GREP_IFELSE([$KSRC/include/linux/random.h], [prandom_u32])
OVS_GREP_IFELSE([$KSRC/include/linux/random.h], [prandom_u32_max])
#include_next <net/netfilter/ipv6/nf_defrag_ipv6.h>
#endif
-#if LINUX_VERSION_CODE < KERNEL_VERSION(4,3,0)
+/* Upstream commit 029f7f3b8701 ("netfilter: ipv6: nf_defrag: avoid/free clone
+ * operations") changed the semantics of nf_ct_frag6_gather(), so we backport
+ * it for all prior kernels.
+ */
+#if defined(HAVE_NF_CT_FRAG6_CONSUME_ORIG) || \
+ defined(HAVE_NF_CT_FRAG6_OUTPUT)
#if defined(OVS_FRAGMENT_BACKPORT)
+#define OVS_NF_DEFRAG6_BACKPORT 1
struct sk_buff *rpl_nf_ct_frag6_gather(struct sk_buff *skb, u32 user);
int __init rpl_nf_ct_frag6_init(void);
void rpl_nf_ct_frag6_cleanup(void);
static inline void rpl_nf_ct_frag6_consume_orig(struct sk_buff *skb) { }
#endif /* OVS_FRAGMENT_BACKPORT */
#define nf_ct_frag6_gather rpl_nf_ct_frag6_gather
+#else /* HAVE_NF_CT_FRAG6_CONSUME_ORIG */
+static inline int __init rpl_nf_ct_frag6_init(void) { return 0; }
+static inline void rpl_nf_ct_frag6_cleanup(void) { }
+static inline void rpl_nf_ct_frag6_consume_orig(struct sk_buff *skb) { }
+#endif /* HAVE_NF_CT_FRAG6_CONSUME_ORIG */
#define nf_ct_frag6_init rpl_nf_ct_frag6_init
#define nf_ct_frag6_cleanup rpl_nf_ct_frag6_cleanup
#define nf_ct_frag6_consume_orig rpl_nf_ct_frag6_consume_orig
-#endif /* < 4.3 */
#endif /* __NF_DEFRAG_IPV6_WRAPPER_H */
#include <linux/version.h>
-#ifdef OVS_FRAGMENT_BACKPORT
-
#include <linux/errno.h>
#include <linux/types.h>
#include <linux/string.h>
#include <linux/module.h>
#include <net/netfilter/ipv6/nf_defrag_ipv6.h>
+#ifdef OVS_NF_DEFRAG6_BACKPORT
+
static const char nf_frags_cache_name[] = "nf-frags";
struct nf_ct_frag6_skb_cb
inet_frags_fini(&nf_frags);
}
-#endif /* OVS_FRAGMENT_BACKPORT */
+#endif /* OVS_NF_DEFRAG6_BACKPORT */