[net-next 12/15] net/mlx5e: Enable TC offload for ingress MACVLAN
From: Saeed Mahameed <saeed@kernel.org>
Date: 2021-09-02 19:06:36
Subsystem:
mellanox mlx5 core vpi driver, networking drivers, the rest · Maintainers:
Saeed Mahameed, Leon Romanovsky, Tariq Toukan, Mark Bloch, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
From: Dima Chumak <redacted> Support offloading of TC rules that filter ingress traffic from a MACVLAN device, which is attached to uplink representor. Signed-off-by: Dima Chumak <redacted> Reviewed-by: Vlad Buslov <redacted> Signed-off-by: Saeed Mahameed <saeedm@nvidia.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 405e9da5c7e9..d46cba30683c 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>
@@ -412,6 +413,13 @@ 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,
@@ -425,8 +433,14 @@ 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