[IPV6]: Make ndisc_flow_init() common for later use.

For later use, this patch is renaming ndisc_flow_init() to
icmpv6_flow_init() and putting it in common place.

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>

1 files changed, 16 insertions, 0 deletions

diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c
index 12c0b85d6c46..cff74127ea32 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:
  */