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-rw-r--r--include/net/ipv6.h33
1 files changed, 31 insertions, 2 deletions
diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index c8a202436e0..979bf6c1314 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -34,6 +34,7 @@
#define NEXTHDR_IPV6 41 /* IPv6 in IPv6 */
#define NEXTHDR_ROUTING 43 /* Routing header. */
#define NEXTHDR_FRAGMENT 44 /* Fragmentation/reassembly header. */
+#define NEXTHDR_GRE 47 /* GRE header. */
#define NEXTHDR_ESP 50 /* Encapsulating security payload. */
#define NEXTHDR_AUTH 51 /* Authentication header. */
#define NEXTHDR_ICMP 58 /* ICMP for IPv6. */
@@ -270,8 +271,17 @@ struct ipv6_txoptions *ipv6_fixup_options(struct ipv6_txoptions *opt_space,
extern bool ipv6_opt_accepted(const struct sock *sk, const struct sk_buff *skb);
-int ip6_frag_nqueues(struct net *net);
-int ip6_frag_mem(struct net *net);
+#if IS_ENABLED(CONFIG_IPV6)
+static inline int ip6_frag_nqueues(struct net *net)
+{
+ return net->ipv6.frags.nqueues;
+}
+
+static inline int ip6_frag_mem(struct net *net)
+{
+ return atomic_read(&net->ipv6.frags.mem);
+}
+#endif
#define IPV6_FRAG_HIGH_THRESH (256 * 1024) /* 262144 */
#define IPV6_FRAG_LOW_THRESH (192 * 1024) /* 196608 */
@@ -410,6 +420,25 @@ struct ip6_create_arg {
void ip6_frag_init(struct inet_frag_queue *q, void *a);
bool ip6_frag_match(struct inet_frag_queue *q, void *a);
+/*
+ * Equivalent of ipv4 struct ip
+ */
+struct frag_queue {
+ struct inet_frag_queue q;
+
+ __be32 id; /* fragment id */
+ u32 user;
+ struct in6_addr saddr;
+ struct in6_addr daddr;
+
+ int iif;
+ unsigned int csum;
+ __u16 nhoffset;
+};
+
+void ip6_expire_frag_queue(struct net *net, struct frag_queue *fq,
+ struct inet_frags *frags);
+
static inline bool ipv6_addr_any(const struct in6_addr *a)
{
#if defined(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS) && BITS_PER_LONG == 64