netdev - [PATCH 08/10] ipv6: Export ipv6 functions for use by other protocols

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Date:	Fri, 20 Apr 2012 10:02:51 +0100
From:	James Chapman <jchapman@...alix.com>
To:	netdev@...r.kernel.org
Cc:	bcrl@...ck.org, Chris Elston <celston@...alix.com>
Subject: [PATCH 08/10] ipv6: Export ipv6 functions for use by other protocols

From: Chris Elston <celston@...alix.com>

For implementing other protocols on top of IPv6, such as L2TPv3's IP
encapsulation over ipv6, we'd like to call some IPv6 functions which
are not currently exported. This patch exports them.

Signed-off-by: Chris Elston <celston@...alix.com>
Signed-off-by: James Chapman <jchapman@...alix.com>
---
 net/ipv6/datagram.c      |    4 ++++
 net/ipv6/exthdrs.c       |    1 +
 net/ipv6/ip6_flowlabel.c |    1 +
 net/ipv6/ip6_output.c    |    3 +++
 4 files changed, 9 insertions(+), 0 deletions(-)

diff --git a/net/ipv6/datagram.c b/net/ipv6/datagram.c
index 7fba35a..b8b61ac 100644
--- a/net/ipv6/datagram.c
+++ b/net/ipv6/datagram.c
@@ -22,6 +22,7 @@
 #include <linux/ipv6.h>
 #include <linux/route.h>
 #include <linux/slab.h>
+#include <linux/export.h>
 
 #include <net/ipv6.h>
 #include <net/ndisc.h>
@@ -202,6 +203,7 @@ out:
 	fl6_sock_release(flowlabel);
 	return err;
 }
+EXPORT_SYMBOL_GPL(ip6_datagram_connect);
 
 void ipv6_icmp_error(struct sock *sk, struct sk_buff *skb, int err,
 		     __be16 port, u32 info, u8 *payload)
@@ -414,6 +416,7 @@ out_free_skb:
 out:
 	return err;
 }
+EXPORT_SYMBOL_GPL(ipv6_recv_error);
 
 /*
  *	Handle IPV6_RECVPATHMTU
@@ -868,3 +871,4 @@ int datagram_send_ctl(struct net *net, struct sock *sk,
 exit_f:
 	return err;
 }
+EXPORT_SYMBOL_GPL(datagram_send_ctl);
diff --git a/net/ipv6/exthdrs.c b/net/ipv6/exthdrs.c
index aa0a51e..a93bd23 100644
--- a/net/ipv6/exthdrs.c
+++ b/net/ipv6/exthdrs.c
@@ -883,6 +883,7 @@ struct ipv6_txoptions *ipv6_fixup_options(struct ipv6_txoptions *opt_space,
 
 	return opt;
 }
+EXPORT_SYMBOL_GPL(ipv6_fixup_options);
 
 /**
  * fl6_update_dst - update flowi destination address with info given
diff --git a/net/ipv6/ip6_flowlabel.c b/net/ipv6/ip6_flowlabel.c
index 1dd6329..cb43df6 100644
--- a/net/ipv6/ip6_flowlabel.c
+++ b/net/ipv6/ip6_flowlabel.c
@@ -294,6 +294,7 @@ struct ipv6_txoptions *fl6_merge_options(struct ipv6_txoptions * opt_space,
 	opt_space->opt_flen = fopt->opt_flen;
 	return opt_space;
 }
+EXPORT_SYMBOL_GPL(fl6_merge_options);
 
 static unsigned long check_linger(unsigned long ttl)
 {
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index b7ca461..2a16aa9 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -1535,6 +1535,7 @@ error:
 	IP6_INC_STATS(sock_net(sk), rt->rt6i_idev, IPSTATS_MIB_OUTDISCARDS);
 	return err;
 }
+EXPORT_SYMBOL_GPL(ip6_append_data);
 
 static void ip6_cork_release(struct inet_sock *inet, struct ipv6_pinfo *np)
 {
@@ -1638,6 +1639,7 @@ error:
 	IP6_INC_STATS(net, rt->rt6i_idev, IPSTATS_MIB_OUTDISCARDS);
 	goto out;
 }
+EXPORT_SYMBOL_GPL(ip6_push_pending_frames);
 
 void ip6_flush_pending_frames(struct sock *sk)
 {
@@ -1652,3 +1654,4 @@ void ip6_flush_pending_frames(struct sock *sk)
 
 	ip6_cork_release(inet_sk(sk), inet6_sk(sk));
 }
+EXPORT_SYMBOL_GPL(ip6_flush_pending_frames);
-- 
1.7.0.4

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