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Message-Id: <20210924184808.796968-13-saeed@kernel.org>
Date: Fri, 24 Sep 2021 11:48:08 -0700
From: Saeed Mahameed <saeed@...nel.org>
To: "David S. Miller" <davem@...emloft.net>,
Jakub Kicinski <kuba@...nel.org>
Cc: netdev@...r.kernel.org, Dima Chumak <dchumak@...dia.com>,
Vlad Buslov <vladbu@...dia.com>,
Saeed Mahameed <saeedm@...dia.com>
Subject: [net-next 12/12] net/mlx5e: Enable TC offload for ingress MACVLAN
From: Dima Chumak <dchumak@...dia.com>
Support offloading of TC rules that filter ingress traffic from a MACVLAN
device, which is attached to uplink representor.
Signed-off-by: Dima Chumak <dchumak@...dia.com>
Reviewed-by: Vlad Buslov <vladbu@...dia.com>
Signed-off-by: Saeed Mahameed <saeedm@...dia.com>
---
.../ethernet/mellanox/mlx5/core/en/rep/tc.c | 18 ++++++++++++++++--
1 file changed, 16 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/rep/tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en/rep/tc.c
index 8451940c16ab..398c6761eeb3 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/rep/tc.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/rep/tc.c
@@ -3,6 +3,7 @@
#include <net/dst_metadata.h>
#include <linux/netdevice.h>
+#include <linux/if_macvlan.h>
#include <linux/list.h>
#include <linux/rculist.h>
#include <linux/rtnetlink.h>
@@ -409,6 +410,13 @@ static void mlx5e_rep_indr_block_unbind(void *cb_priv)
static LIST_HEAD(mlx5e_block_cb_list);
+static bool mlx5e_rep_macvlan_mode_supported(const struct net_device *dev)
+{
+ struct macvlan_dev *macvlan = netdev_priv(dev);
+
+ return macvlan->mode == MACVLAN_MODE_PASSTHRU;
+}
+
static int
mlx5e_rep_indr_setup_block(struct net_device *netdev, struct Qdisc *sch,
struct mlx5e_rep_priv *rpriv,
@@ -422,8 +430,14 @@ mlx5e_rep_indr_setup_block(struct net_device *netdev, struct Qdisc *sch,
struct flow_block_cb *block_cb;
if (!mlx5e_tc_tun_device_to_offload(priv, netdev) &&
- !(is_vlan_dev(netdev) && vlan_dev_real_dev(netdev) == rpriv->netdev))
- return -EOPNOTSUPP;
+ !(is_vlan_dev(netdev) && vlan_dev_real_dev(netdev) == rpriv->netdev)) {
+ if (!(netif_is_macvlan(netdev) && macvlan_dev_real_dev(netdev) == rpriv->netdev))
+ return -EOPNOTSUPP;
+ if (!mlx5e_rep_macvlan_mode_supported(netdev)) {
+ netdev_warn(netdev, "Offloading ingress filter is supported only with macvlan passthru mode");
+ return -EOPNOTSUPP;
+ }
+ }
if (f->binder_type != FLOW_BLOCK_BINDER_TYPE_CLSACT_INGRESS)
return -EOPNOTSUPP;
--
2.31.1
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