linux-mptcp: Add temporary patch for IPv6 fix

3 files changed, 114 insertions, 5 deletions

diff --git a/.SRCINFO b/.SRCINFO
index f611fad12489..d0471aaa054d 100644
--- a/.SRCINFO
+++ b/.SRCINFO
@@ -1,8 +1,8 @@
 # Generated by mksrcinfo v8
-# Tue Mar 22 13:08:26 UTC 2016
+# Thu Mar 31 22:10:11 UTC 2016
 pkgbase = linux-mptcp
 	pkgver = 0.91.525000.c6ba013
-	pkgrel = 9
+	pkgrel = 10
 	url = http://www.multipath-tcp.org/
 	arch = i686
 	arch = x86_64
@@ -19,11 +19,13 @@ pkgbase = linux-mptcp
 	source = config.x86_64
 	source = linux.preset
 	source = change-default-console-loglevel.patch
+	source = fix-ipv6.patch
 	md5sums = SKIP
 	md5sums = bb0f6b2febc1e0f154eacd1cf03f5d4f
 	md5sums = 851f5ecd973350c7313ffa9f690c8375
 	md5sums = eb14dcfd80c00852ef81ded6e826826a
 	md5sums = 92562f0a5d8cc0e5972ab58523dbe0a4
+	md5sums = 3669b617090a4408e91e0e792c7fb699
 
 pkgname = linux-mptcp
 	pkgdesc = The Linux kernel and modules with Multipath TCP support (based on linux 4.1.20)
diff --git a/PKGBUILD b/PKGBUILD
index df4ee9fe8f12..7076469d2250 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -8,7 +8,7 @@ pkgbase=linux-mptcp
 _srcname=mptcp
 _mptcpv=0.91
 pkgver=0.91.525000.c6ba013
-pkgrel=9
+pkgrel=10
 arch=('i686' 'x86_64')
 url="http://www.multipath-tcp.org/"
 license=('GPL2')
@@ -19,12 +19,14 @@ source=("git://github.com/multipath-tcp/mptcp#branch=mptcp_v${_mptcpv}"
         'config' 'config.x86_64'
         # standard config files for mkinitcpio ramdisk
         'linux.preset'
-        'change-default-console-loglevel.patch')
+        'change-default-console-loglevel.patch'
+        'fix-ipv6.patch')
 md5sums=('SKIP'
          'bb0f6b2febc1e0f154eacd1cf03f5d4f'
          '851f5ecd973350c7313ffa9f690c8375'
          'eb14dcfd80c00852ef81ded6e826826a'
-         '92562f0a5d8cc0e5972ab58523dbe0a4')
+         '92562f0a5d8cc0e5972ab58523dbe0a4'
+         '3669b617090a4408e91e0e792c7fb699')
 
 _kernelname=${pkgbase#linux}
 
@@ -41,6 +43,8 @@ prepare() {
   # (relevant patch sent upstream: https://lkml.org/lkml/2011/7/26/227)
   patch -p1 -i "${srcdir}/change-default-console-loglevel.patch"
 
+  patch -p1 -i "${srcdir}/fix-ipv6.patch"
+
   if [ "${CARCH}" = "x86_64" ]; then
     cat "${srcdir}/config.x86_64" > ./.config
   else
diff --git a/fix-ipv6.patch b/fix-ipv6.patch
new file mode 100644
index 000000000000..55d6084c5f68
--- /dev/null
+++ b/fix-ipv6.patch
@@ -0,0 +1,103 @@
+From cpaasch@apple.com Thu Mar 31 02:40:48 2016
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+From: Christoph Paasch <christoph.paasch@gmail.com>
+To: mptcp-dev <mptcp-dev@listes.uclouvain.be>
+Cc: Christoph Paasch <christoph.paasch@gmail.com>,
+ Baptiste Jonglez <baptiste@bitsofnetworks.org>
+Subject: [PATCH] mptcp: Do use tcp_v6_iif in mptcp_v6_do_rcv
+Date: Wed, 30 Mar 2016 17:40:30 -0700
+Message-id: <1459384830-773-1-git-send-email-christoph.paasch@gmail.com>
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+Status: RO
+X-Status: F
+Content-Length: 1155
+Lines: 36
+
+TCP moves the IP6CB into a different region when in skb->cb[]. Thus, we
+have to use tcp_v6_iif in appropriate places.
+
+Cc: Baptiste Jonglez <baptiste@bitsofnetworks.org>
+Fixes: 1b8a2b899837f (Merge tag 'v4.0' into mptcp_trunk)
+Reported-by: Baptiste Jonglez <baptiste@bitsofnetworks.org>
+Signed-off-by: Christoph Paasch <christoph.paasch@gmail.com>
+---
+ net/mptcp/mptcp_ipv6.c | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/net/mptcp/mptcp_ipv6.c b/net/mptcp/mptcp_ipv6.c
+index bd5701539949..9daa69964f92 100644
+--- a/net/mptcp/mptcp_ipv6.c
++++ b/net/mptcp/mptcp_ipv6.c
+@@ -208,7 +208,7 @@ int mptcp_v6_do_rcv(struct sock *meta_sk, struct sk_buff *skb)
+ 						&tcp_hashinfo,
+ 						&ip6h->saddr, th->source,
+ 						&ip6h->daddr, ntohs(th->dest),
+-						inet6_iif(skb));
++						tcp_v6_iif(skb));
+ 
+ 		if (!sk) {
+ 			kfree_skb(skb);
+@@ -284,7 +284,7 @@ reset_and_discard:
+ 		 */
+ 		req = inet6_csk_search_req(meta_sk, th->source,
+ 					   &ipv6_hdr(skb)->saddr,
+-					   &ipv6_hdr(skb)->daddr, inet6_iif(skb));
++					   &ipv6_hdr(skb)->daddr, tcp_v6_iif(skb));
+ 
+ 		if (req) {
+ 			inet_csk_reqsk_queue_drop(meta_sk, req);
+-- 
+2.6.3
+
+