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authorPravin B Shelar <pshelar@nicira.com>2013-10-14 15:26:40 -0700
committerPravin B Shelar <pshelar@nicira.com>2013-10-16 12:12:50 -0700
commit54af97ad7ba7e103b91c48b9498edeef2fde1960 (patch)
treeb21daa92e6b6c383d8da973edc2a481f1b653bb5
parent5b5d1836ddfa1a83a9d3369c119eb4716831b8dd (diff)
datapath: Add support for Linux 3.11
Kernel 3.11 has support for extended GRE API required for OVS datapath, But vxlan still needs out of tree tunneling compatibility. Therefore to simplify, all tunneling modules are forced to use compat tunneling. CC: James Page <james.page@ubuntu.com> Signed-off-by: Pravin B Shelar <pshelar@nicira.com> Acked-by: Jesse Gross <jesse@nicira.com>
-rw-r--r--FAQ1
-rw-r--r--NEWS1
-rw-r--r--acinclude.m44
-rw-r--r--datapath/dp_notify.c2
-rw-r--r--datapath/linux/compat/include/linux/netdevice.h7
-rw-r--r--datapath/linux/compat/include/net/gre.h6
6 files changed, 18 insertions, 3 deletions
diff --git a/FAQ b/FAQ
index d36495c8..99e6107e 100644
--- a/FAQ
+++ b/FAQ
@@ -149,6 +149,7 @@ A: The following table lists the Linux kernel versions against which the
1.10.x 2.6.18 to 3.8
1.11.x 2.6.18 to 3.8
2.0.x 2.6.32 to 3.10
+ 2.1.x 2.6.32 to 3.11
Open vSwitch userspace should also work with the Linux kernel module
built into Linux 3.3 and later.
diff --git a/NEWS b/NEWS
index 36546f43..f6e2dafd 100644
--- a/NEWS
+++ b/NEWS
@@ -8,6 +8,7 @@ Post-v2.0.0
* The OpenFlow 1.1+ "Write-Actions" instruction is now supported.
- ovs-vswitchd.conf.db.5 man page will contain graphviz/dot
diagram only if graphviz package was installed at the build time.
+ - Support for Linux kernels up to 3.11
v2.0.0 - 15 Oct 2013
diff --git a/acinclude.m4 b/acinclude.m4
index c293d337..f987fa0b 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -134,10 +134,10 @@ AC_DEFUN([OVS_CHECK_LINUX], [
AC_MSG_RESULT([$kversion])
if test "$version" -ge 3; then
- if test "$version" = 3 && test "$patchlevel" -le 10; then
+ if test "$version" = 3 && test "$patchlevel" -le 11; then
: # Linux 3.x
else
- AC_ERROR([Linux kernel in $KBUILD is version $kversion, but version newer than 3.10.x is not supported])
+ AC_ERROR([Linux kernel in $KBUILD is version $kversion, but version newer than 3.11.x is not supported])
fi
else
if test "$version" -le 1 || test "$patchlevel" -le 5 || test "$sublevel" -le 31; then
diff --git a/datapath/dp_notify.c b/datapath/dp_notify.c
index b7aac4e4..0b22d0c1 100644
--- a/datapath/dp_notify.c
+++ b/datapath/dp_notify.c
@@ -78,7 +78,7 @@ static int dp_device_event(struct notifier_block *unused, unsigned long event,
void *ptr)
{
struct ovs_net *ovs_net;
- struct net_device *dev = ptr;
+ struct net_device *dev = netdev_notifier_info_to_dev(ptr);
struct vport *vport = NULL;
if (!ovs_is_internal_dev(dev))
diff --git a/datapath/linux/compat/include/linux/netdevice.h b/datapath/linux/compat/include/linux/netdevice.h
index d2822017..c5c366bd 100644
--- a/datapath/linux/compat/include/linux/netdevice.h
+++ b/datapath/linux/compat/include/linux/netdevice.h
@@ -130,4 +130,11 @@ static inline struct net_device *netdev_master_upper_dev_get(struct net_device *
int dev_queue_xmit(struct sk_buff *skb);
#endif
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,11,0)
+static inline struct net_device *netdev_notifier_info_to_dev(void *info)
+{
+ return info;
+}
+#endif
+
#endif
diff --git a/datapath/linux/compat/include/net/gre.h b/datapath/linux/compat/include/net/gre.h
index 5f46aed6..5b17dcc5 100644
--- a/datapath/linux/compat/include/net/gre.h
+++ b/datapath/linux/compat/include/net/gre.h
@@ -74,12 +74,17 @@ static inline __be16 tnl_flags_to_gre_flags(__be16 tflags)
#endif /* LINUX_VERSION_CODE < KERNEL_VERSION(3,10,0) */
#define MAX_GRE_PROTO_PRIORITY 255
+#define gre_cisco_protocol rpl_gre_cisco_protocol
+
struct gre_cisco_protocol {
int (*handler)(struct sk_buff *skb, const struct tnl_ptk_info *tpi);
u8 priority;
};
+#define gre_cisco_register rpl_gre_cisco_register
int gre_cisco_register(struct gre_cisco_protocol *proto);
+
+#define gre_cisco_unregister rpl_gre_cisco_unregister
int gre_cisco_unregister(struct gre_cisco_protocol *proto);
#define gre_build_header rpl_gre_build_header
@@ -89,6 +94,7 @@ void gre_build_header(struct sk_buff *skb, const struct tnl_ptk_info *tpi,
#define gre_handle_offloads rpl_gre_handle_offloads
struct sk_buff *gre_handle_offloads(struct sk_buff *skb, bool gre_csum);
+#define ip_gre_calc_hlen rpl_ip_gre_calc_hlen
static inline int ip_gre_calc_hlen(__be16 o_flags)
{
int addend = 4;