From: Jiri Pirko <jiri@resnulli.us>
To: netdev@vger.kernel.org
Cc: davem@davemloft.net, idosch@mellanox.com, mlxsw@mellanox.com,
dsa@cumulusnetworks.com, shm@cumulusnetworks.com,
kuznet@ms2.inr.ac.ru, jmorris@namei.org, yoshfuji@linux-ipv6.org,
kaber@trash.net, lorenzo@google.com, mateusz.bajorski@nokia.com
Subject: [patch net-next 09/10] mlxsw: spectrum_router: Add support for VRFs on top of bridges
Date: Mon, 13 Mar 2017 08:38:32 +0100 [thread overview]
Message-ID: <1489390713-2634-9-git-send-email-jiri@resnulli.us> (raw)
In-Reply-To: <1489390713-2634-1-git-send-email-jiri@resnulli.us>
From: Ido Schimmel <idosch@mellanox.com>
In a similar fashion to the previous patch, allow bridges and VLAN
devices on top of bridges to be enslaved to a VRF master device.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
---
drivers/net/ethernet/mellanox/mlxsw/spectrum.c | 52 +++++++++++++++++++++-
drivers/net/ethernet/mellanox/mlxsw/spectrum.h | 4 ++
.../net/ethernet/mellanox/mlxsw/spectrum_router.c | 26 +++++++++++
3 files changed, 81 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
index 29d8082..a3f579e 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
@@ -4111,7 +4111,7 @@ static int mlxsw_sp_netdevice_bridge_event(struct net_device *br_dev,
switch (event) {
case NETDEV_PRECHANGEUPPER:
upper_dev = info->upper_dev;
- if (!is_vlan_dev(upper_dev))
+ if (!is_vlan_dev(upper_dev) && !netif_is_vrf_master(upper_dev))
return -EINVAL;
if (is_vlan_dev(upper_dev) &&
br_dev != mlxsw_sp->master_bridge.dev)
@@ -4126,6 +4126,12 @@ static int mlxsw_sp_netdevice_bridge_event(struct net_device *br_dev,
else
mlxsw_sp_master_bridge_vlan_unlink(mlxsw_sp,
upper_dev);
+ } else if (netif_is_vrf_master(upper_dev)) {
+ if (info->linking)
+ err = mlxsw_sp_bridge_vrf_join(mlxsw_sp,
+ br_dev);
+ else
+ mlxsw_sp_bridge_vrf_leave(mlxsw_sp, br_dev);
} else {
err = -EINVAL;
WARN_ON(1);
@@ -4415,6 +4421,47 @@ static int mlxsw_sp_netdevice_lag_vport_event(struct net_device *lag_dev,
return 0;
}
+static int mlxsw_sp_netdevice_bridge_vlan_event(struct net_device *vlan_dev,
+ unsigned long event, void *ptr)
+{
+ struct netdev_notifier_changeupper_info *info;
+ struct mlxsw_sp *mlxsw_sp;
+ int err = 0;
+
+ mlxsw_sp = mlxsw_sp_lower_get(vlan_dev);
+ if (!mlxsw_sp)
+ return 0;
+
+ info = ptr;
+
+ switch (event) {
+ case NETDEV_PRECHANGEUPPER:
+ /* VLAN devices are only allowed on top of the
+ * VLAN-aware bridge.
+ */
+ if (WARN_ON(vlan_dev_real_dev(vlan_dev) !=
+ mlxsw_sp->master_bridge.dev))
+ return -EINVAL;
+ if (!netif_is_vrf_master(info->upper_dev))
+ return -EINVAL;
+ break;
+ case NETDEV_CHANGEUPPER:
+ if (netif_is_vrf_master(info->upper_dev)) {
+ if (info->linking)
+ err = mlxsw_sp_bridge_vrf_join(mlxsw_sp,
+ vlan_dev);
+ else
+ mlxsw_sp_bridge_vrf_leave(mlxsw_sp, vlan_dev);
+ } else {
+ err = -EINVAL;
+ WARN_ON(1);
+ }
+ break;
+ }
+
+ return err;
+}
+
static int mlxsw_sp_netdevice_vlan_event(struct net_device *vlan_dev,
unsigned long event, void *ptr)
{
@@ -4427,6 +4474,9 @@ static int mlxsw_sp_netdevice_vlan_event(struct net_device *vlan_dev,
else if (netif_is_lag_master(real_dev))
return mlxsw_sp_netdevice_lag_vport_event(real_dev, event, ptr,
vid);
+ else if (netif_is_bridge_master(real_dev))
+ return mlxsw_sp_netdevice_bridge_vlan_event(vlan_dev, event,
+ ptr);
return 0;
}
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h
index 60004d9..0e223f6 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h
@@ -582,6 +582,10 @@ int mlxsw_sp_vport_vrf_join(struct mlxsw_sp_port *mlxsw_sp_vport);
void mlxsw_sp_vport_vrf_leave(struct mlxsw_sp_port *mlxsw_sp_vport);
int mlxsw_sp_port_vrf_join(struct mlxsw_sp_port *mlxsw_sp_port);
void mlxsw_sp_port_vrf_leave(struct mlxsw_sp_port *mlxsw_sp_port);
+int mlxsw_sp_bridge_vrf_join(struct mlxsw_sp *mlxsw_sp,
+ struct net_device *l3_dev);
+void mlxsw_sp_bridge_vrf_leave(struct mlxsw_sp *mlxsw_sp,
+ struct net_device *l3_dev);
int mlxsw_sp_kvdl_alloc(struct mlxsw_sp *mlxsw_sp, unsigned int entry_count);
void mlxsw_sp_kvdl_free(struct mlxsw_sp *mlxsw_sp, int entry_index);
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
index cbb0362..de54382 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
@@ -3265,6 +3265,32 @@ void mlxsw_sp_port_vrf_leave(struct mlxsw_sp_port *mlxsw_sp_port)
mlxsw_sp_vport_vrf_leave(mlxsw_sp_vport);
}
+int mlxsw_sp_bridge_vrf_join(struct mlxsw_sp *mlxsw_sp,
+ struct net_device *l3_dev)
+{
+ struct mlxsw_sp_fid *f;
+
+ f = mlxsw_sp_bridge_fid_get(mlxsw_sp, l3_dev);
+ if (WARN_ON(!f))
+ return -EINVAL;
+
+ if (f->r)
+ mlxsw_sp_rif_bridge_destroy(mlxsw_sp, f->r);
+
+ return mlxsw_sp_rif_bridge_create(mlxsw_sp, l3_dev, f);
+}
+
+void mlxsw_sp_bridge_vrf_leave(struct mlxsw_sp *mlxsw_sp,
+ struct net_device *l3_dev)
+{
+ struct mlxsw_sp_fid *f;
+
+ f = mlxsw_sp_bridge_fid_get(mlxsw_sp, l3_dev);
+ if (WARN_ON(!f))
+ return;
+ mlxsw_sp_rif_bridge_destroy(mlxsw_sp, f->r);
+}
+
static void mlxsw_sp_router_fib_dump_flush(struct notifier_block *nb)
{
struct mlxsw_sp *mlxsw_sp = container_of(nb, struct mlxsw_sp, fib_nb);
--
2.7.4
next prev parent reply other threads:[~2017-03-13 7:38 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-13 7:35 [patch net-next 00/10] mlxsw: Enable VRF offload Jiri Pirko
2017-03-13 7:38 ` [patch net-next 01/10] net: fib_rules: Add default rule indication Jiri Pirko
2017-03-13 7:38 ` [patch net-next 02/10] ipv4: fib_rules: Add notifier info to FIB rules notifications Jiri Pirko
2017-03-13 7:38 ` [patch net-next 03/10] ipv4: fib_rules: Dump FIB rules when registering FIB notifier Jiri Pirko
2017-03-13 14:52 ` David Ahern
2017-03-13 17:33 ` Ido Schimmel
2017-03-13 7:38 ` [patch net-next 04/10] net: Add netif_is_vrf_master helper Jiri Pirko
2017-03-13 14:39 ` David Ahern
2017-03-13 15:01 ` Ido Schimmel
2017-03-13 15:15 ` David Ahern
2017-03-13 15:58 ` Ido Schimmel
2017-03-13 7:38 ` [patch net-next 05/10] net: vrf: Set slave's private flag before linking Jiri Pirko
2017-03-13 15:19 ` David Ahern
2017-03-13 7:38 ` [patch net-next 06/10] mlxsw: spectrum_router: Associate RIFs with correct VR Jiri Pirko
2017-03-13 7:38 ` [patch net-next 07/10] mlxsw: spectrum_router: Don't destroy RIF if L3 slave Jiri Pirko
2017-03-13 7:38 ` [patch net-next 08/10] mlxsw: spectrum_router: Add support for VRFs Jiri Pirko
2017-03-13 7:38 ` Jiri Pirko [this message]
2017-03-13 7:38 ` [patch net-next 10/10] mlxsw: spectrum_router: Don't abort on l3mdev rules Jiri Pirko
2017-03-13 14:59 ` David Ahern
2017-03-13 15:22 ` Ido Schimmel
2017-03-13 15:37 ` David Ahern
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