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authorDavid Ahern <dsa@cumulusnetworks.com>2015-09-30 06:07:12 +0300
committerDavid S. Miller <davem@davemloft.net>2015-09-30 06:40:33 +0300
commitee15ee5d94f5837260e7fa539ffd1b50952079c4 (patch)
treec31649b7367fd733d7f316b5b9217ef015a95496
parent1b69c6d0ae90b7f1a4f61d5c8209d5cb7a55f849 (diff)
downloadlinux-ee15ee5d94f5837260e7fa539ffd1b50952079c4.tar.xz
net: Add support for l3mdev ops to VRF driver
Signed-off-by: David Ahern <dsa@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/Kconfig1
-rw-r--r--drivers/net/vrf.c29
2 files changed, 30 insertions, 0 deletions
diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index d18eb607bee6..b9ebd0d18a52 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -299,6 +299,7 @@ config NLMON
config NET_VRF
tristate "Virtual Routing and Forwarding (Lite)"
depends on IP_MULTIPLE_TABLES && IPV6_MULTIPLE_TABLES
+ depends on NET_L3_MASTER_DEV
---help---
This option enables the support for mapping interfaces into VRF's. The
support enables VRF devices.
diff --git a/drivers/net/vrf.c b/drivers/net/vrf.c
index 2d7418e0b908..72f1892ebad0 100644
--- a/drivers/net/vrf.c
+++ b/drivers/net/vrf.c
@@ -35,6 +35,7 @@
#include <net/route.h>
#include <net/addrconf.h>
#include <net/vrf.h>
+#include <net/l3mdev.h>
#define DRV_NAME "vrf"
#define DRV_VERSION "1.0"
@@ -529,6 +530,33 @@ static const struct net_device_ops vrf_netdev_ops = {
.ndo_del_slave = vrf_del_slave,
};
+static u32 vrf_fib_table(const struct net_device *dev)
+{
+ struct net_vrf *vrf = netdev_priv(dev);
+
+ return vrf->tb_id;
+}
+
+static struct rtable *vrf_get_rtable(const struct net_device *dev,
+ const struct flowi4 *fl4)
+{
+ struct rtable *rth = NULL;
+
+ if (!(fl4->flowi4_flags & FLOWI_FLAG_VRFSRC)) {
+ struct net_vrf *vrf = netdev_priv(dev);
+
+ rth = vrf->rth;
+ atomic_inc(&rth->dst.__refcnt);
+ }
+
+ return rth;
+}
+
+static const struct l3mdev_ops vrf_l3mdev_ops = {
+ .l3mdev_fib_table = vrf_fib_table,
+ .l3mdev_get_rtable = vrf_get_rtable,
+};
+
static void vrf_get_drvinfo(struct net_device *dev,
struct ethtool_drvinfo *info)
{
@@ -546,6 +574,7 @@ static void vrf_setup(struct net_device *dev)
/* Initialize the device structure. */
dev->netdev_ops = &vrf_netdev_ops;
+ dev->l3mdev_ops = &vrf_l3mdev_ops;
dev->ethtool_ops = &vrf_ethtool_ops;
dev->destructor = free_netdev;