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net/mlx5e: Enable TC offload for ingress MACVLAN

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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@nvidia.com>
Reviewed-by: Vlad Buslov <vladbu@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
This commit is contained in:
Dima Chumak 2021-08-04 10:33:13 +03:00 committed by Saeed Mahameed
parent fca572f2bc
commit 05000bbba1
1 changed files with 16 additions and 2 deletions
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18
drivers/net/ethernet/mellanox/mlx5/core/en/rep/tc.c
View File

@ -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;