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authorOr Gerlitz <ogerlitz@mellanox.com>2019-03-05 21:11:14 +0200
committerSaeed Mahameed <saeedm@mellanox.com>2020-05-27 18:13:48 -0700
commitd34eb2fcd00472323d9e26ee0aec498c2c6f5b6f (patch)
tree222b2f49d1c64187e9b17fa77c7fe5a60b1217e2 /drivers
parent553f9328385d954644d74dedb655f85b687a9470 (diff)
net/mlx5e: Offload flow rules to active lower representor
When a bond device is created over one or more non uplink representors, and when a flow rule is offloaded to such bond device, offload a rule to the active lower device. Assuming that this is active-backup lag, the rules should be offloaded to the active lower device which is the representor of the direct path (not the failover). Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: Parav Pandit <parav@mellanox.com> Signed-off-by: Vu Pham <vuhuong@mellanox.com> Reviewed-by: Roi Dayan <roid@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_tc.c35
1 files changed, 26 insertions, 9 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
index f3e65a15c950..58f797da4d8d 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
@@ -50,6 +50,7 @@
#include <net/arp.h>
#include <net/ipv6_stubs.h>
#include <net/bareudp.h>
+#include <net/bonding.h>
#include "en.h"
#include "en_rep.h"
#include "en/rep/tc.h"
@@ -3759,6 +3760,28 @@ static int parse_tc_vlan_action(struct mlx5e_priv *priv,
return 0;
}
+static struct net_device *get_fdb_out_dev(struct net_device *uplink_dev,
+ struct net_device *out_dev)
+{
+ struct net_device *fdb_out_dev = out_dev;
+ struct net_device *uplink_upper;
+
+ rcu_read_lock();
+ uplink_upper = netdev_master_upper_dev_get_rcu(uplink_dev);
+ if (uplink_upper && netif_is_lag_master(uplink_upper) &&
+ uplink_upper == out_dev) {
+ fdb_out_dev = uplink_dev;
+ } else if (netif_is_lag_master(out_dev)) {
+ fdb_out_dev = bond_option_active_slave_get_rcu(netdev_priv(out_dev));
+ if (fdb_out_dev &&
+ (!mlx5e_eswitch_rep(fdb_out_dev) ||
+ !netdev_port_same_parent_id(fdb_out_dev, uplink_dev)))
+ fdb_out_dev = NULL;
+ }
+ rcu_read_unlock();
+ return fdb_out_dev;
+}
+
static int add_vlan_push_action(struct mlx5e_priv *priv,
struct mlx5_esw_flow_attr *attr,
struct net_device **out_dev,
@@ -4074,7 +4097,6 @@ static int parse_tc_fdb_actions(struct mlx5e_priv *priv,
} else if (netdev_port_same_parent_id(priv->netdev, out_dev)) {
struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
struct net_device *uplink_dev = mlx5_eswitch_uplink_get_proto_dev(esw, REP_ETH);
- struct net_device *uplink_upper;
if (is_duplicated_output_device(priv->netdev,
out_dev,
@@ -4086,14 +4108,9 @@ static int parse_tc_fdb_actions(struct mlx5e_priv *priv,
ifindexes[if_count] = out_dev->ifindex;
if_count++;
- rcu_read_lock();
- uplink_upper =
- netdev_master_upper_dev_get_rcu(uplink_dev);
- if (uplink_upper &&
- netif_is_lag_master(uplink_upper) &&
- uplink_upper == out_dev)
- out_dev = uplink_dev;
- rcu_read_unlock();
+ out_dev = get_fdb_out_dev(uplink_dev, out_dev);
+ if (!out_dev)
+ return -ENODEV;
if (is_vlan_dev(out_dev)) {
err = add_vlan_push_action(priv, attr,