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-rw-r--r--include/linux/icmpv6.h8
-rw-r--r--net/ipv6/icmp.c16
-rw-r--r--net/ipv6/ndisc.c23
3 files changed, 28 insertions, 19 deletions
diff --git a/include/linux/icmpv6.h b/include/linux/icmpv6.h
index 8f86d6b621c..e4d4300d768 100644
--- a/include/linux/icmpv6.h
+++ b/include/linux/icmpv6.h
@@ -182,6 +182,14 @@ extern int icmpv6_err_convert(int type, int code,
extern void icmpv6_cleanup(void);
extern void icmpv6_param_prob(struct sk_buff *skb,
int code, int pos);
+
+struct flowi;
+extern void icmpv6_flow_init(struct sock *sk,
+ struct flowi *fl,
+ u8 type,
+ const struct in6_addr *saddr,
+ const struct in6_addr *daddr,
+ int oif);
#endif
#endif
diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c
index 12c0b85d6c4..cff74127ea3 100644
--- a/net/ipv6/icmp.c
+++ b/net/ipv6/icmp.c
@@ -777,6 +777,22 @@ drop_no_count:
return 0;
}
+void icmpv6_flow_init(struct sock *sk, struct flowi *fl,
+ u8 type,
+ const struct in6_addr *saddr,
+ const struct in6_addr *daddr,
+ int oif)
+{
+ memset(fl, 0, sizeof(*fl));
+ ipv6_addr_copy(&fl->fl6_src, saddr);
+ ipv6_addr_copy(&fl->fl6_dst, daddr);
+ fl->proto = IPPROTO_ICMPV6;
+ fl->fl_icmp_type = type;
+ fl->fl_icmp_code = 0;
+ fl->oif = oif;
+ security_sk_classify_flow(sk, fl);
+}
+
/*
* Special lock-class for __icmpv6_sk:
*/
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index 1fc33c8c723..8db5f4a419a 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -441,21 +441,6 @@ static void pndisc_destructor(struct pneigh_entry *n)
/*
* Send a Neighbour Advertisement
*/
-
-static inline void ndisc_flow_init(struct flowi *fl, u8 type,
- struct in6_addr *saddr, struct in6_addr *daddr,
- int oif)
-{
- memset(fl, 0, sizeof(*fl));
- ipv6_addr_copy(&fl->fl6_src, saddr);
- ipv6_addr_copy(&fl->fl6_dst, daddr);
- fl->proto = IPPROTO_ICMPV6;
- fl->fl_icmp_type = type;
- fl->fl_icmp_code = 0;
- fl->oif = oif;
- security_sk_classify_flow(ndisc_socket->sk, fl);
-}
-
static void __ndisc_send(struct net_device *dev,
struct neighbour *neigh,
struct in6_addr *daddr, struct in6_addr *saddr,
@@ -474,8 +459,8 @@ static void __ndisc_send(struct net_device *dev,
type = icmp6h->icmp6_type;
- ndisc_flow_init(&fl, type, saddr, daddr,
- dev->ifindex);
+ icmpv6_flow_init(ndisc_socket->sk, &fl, type,
+ saddr, daddr, dev->ifindex);
dst = ndisc_dst_alloc(dev, neigh, daddr, ip6_output);
if (!dst)
@@ -1439,8 +1424,8 @@ void ndisc_send_redirect(struct sk_buff *skb, struct neighbour *neigh,
return;
}
- ndisc_flow_init(&fl, NDISC_REDIRECT, &saddr_buf, &ipv6_hdr(skb)->saddr,
- dev->ifindex);
+ icmpv6_flow_init(ndisc_socket->sk, &fl, NDISC_REDIRECT,
+ &saddr_buf, &ipv6_hdr(skb)->saddr, dev->ifindex);
dst = ip6_route_output(NULL, &fl);
if (dst == NULL)