Commit 05000bbb authored by Dima Chumak's avatar Dima Chumak Committed by Saeed Mahameed
Browse files

net/mlx5e: Enable TC offload for ingress MACVLAN 



Support offloading of TC rules that filter ingress traffic from a MACVLAN
device, which is attached to uplink representor.

Signed-off-by: default avatarDima Chumak <dchumak@nvidia.com>
Reviewed-by: default avatarVlad Buslov <vladbu@nvidia.com>
Signed-off-by: default avatarSaeed Mahameed <saeedm@nvidia.com>
parent fca572f2

drivers/net/ethernet/mellanox/mlx5/core/en/rep/tc.c

+16 −2
Original line number Diff line number Diff line
@@ -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))

	    !(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;