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net/mlx5e: Add TC offload support for the VF representors netdevice

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The VF representors support only TC filter/action offloads
(not mqprio) and this is enabled for them by default.

Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Or Gerlitz 2016-07-14 10:32:46 +03:00 committed by David S. Miller
parent adb4c123f8
commit d957b4e383
1 changed files with 34 additions and 1 deletions
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35
drivers/net/ethernet/mellanox/mlx5/core/en_rep.c
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@ -33,6 +33,7 @@
#include <generated/utsrelease.h> #include <generated/utsrelease.h>
#include <linux/mlx5/fs.h> #include <linux/mlx5/fs.h>
#include <net/switchdev.h> #include <net/switchdev.h>
#include <net/pkt_cls.h>
#include "eswitch.h" #include "eswitch.h"
#include "en.h" #include "en.h"
@ -222,6 +223,29 @@ static int mlx5e_rep_get_phys_port_name(struct net_device *dev,
return 0; return 0;
} }
static int mlx5e_rep_ndo_setup_tc(struct net_device *dev, u32 handle,
__be16 proto, struct tc_to_netdev *tc)
{
struct mlx5e_priv *priv = netdev_priv(dev);
if (TC_H_MAJ(handle) != TC_H_MAJ(TC_H_INGRESS))
return -EOPNOTSUPP;
switch (tc->type) {
case TC_SETUP_CLSFLOWER:
switch (tc->cls_flower->command) {
case TC_CLSFLOWER_REPLACE:
return mlx5e_configure_flower(priv, proto, tc->cls_flower);
case TC_CLSFLOWER_DESTROY:
return mlx5e_delete_flower(priv, tc->cls_flower);
case TC_CLSFLOWER_STATS:
return mlx5e_stats_flower(priv, tc->cls_flower);
}
default:
return -EOPNOTSUPP;
}
}
static const struct switchdev_ops mlx5e_rep_switchdev_ops = { static const struct switchdev_ops mlx5e_rep_switchdev_ops = {
.switchdev_port_attr_get = mlx5e_attr_get, .switchdev_port_attr_get = mlx5e_attr_get,
}; };
@ -231,6 +255,7 @@ static const struct net_device_ops mlx5e_netdev_ops_rep = {
.ndo_stop = mlx5e_close, .ndo_stop = mlx5e_close,
.ndo_start_xmit = mlx5e_xmit, .ndo_start_xmit = mlx5e_xmit,
.ndo_get_phys_port_name = mlx5e_rep_get_phys_port_name, .ndo_get_phys_port_name = mlx5e_rep_get_phys_port_name,
.ndo_setup_tc = mlx5e_rep_ndo_setup_tc,
.ndo_get_stats64 = mlx5e_get_stats, .ndo_get_stats64 = mlx5e_get_stats,
}; };
@ -284,7 +309,8 @@ static void mlx5e_build_rep_netdev(struct net_device *netdev)
netdev->switchdev_ops = &mlx5e_rep_switchdev_ops; netdev->switchdev_ops = &mlx5e_rep_switchdev_ops;
#endif #endif
netdev->features |= NETIF_F_VLAN_CHALLENGED; netdev->features |= NETIF_F_VLAN_CHALLENGED | NETIF_F_HW_TC;
netdev->hw_features |= NETIF_F_HW_TC;
eth_hw_addr_random(netdev); eth_hw_addr_random(netdev);
} }
@ -328,8 +354,14 @@ static int mlx5e_init_rep_rx(struct mlx5e_priv *priv)
} }
rep->vport_rx_rule = flow_rule; rep->vport_rx_rule = flow_rule;
err = mlx5e_tc_init(priv);
if (err)
goto err_del_flow_rule;
return 0; return 0;
err_del_flow_rule:
mlx5_del_flow_rule(rep->vport_rx_rule);
err_destroy_direct_tirs: err_destroy_direct_tirs:
mlx5e_destroy_direct_tirs(priv); mlx5e_destroy_direct_tirs(priv);
err_destroy_direct_rqts: err_destroy_direct_rqts:
@ -343,6 +375,7 @@ static void mlx5e_cleanup_rep_rx(struct mlx5e_priv *priv)
struct mlx5_eswitch_rep *rep = priv->ppriv; struct mlx5_eswitch_rep *rep = priv->ppriv;
int i; int i;
mlx5e_tc_cleanup(priv);
mlx5_del_flow_rule(rep->vport_rx_rule); mlx5_del_flow_rule(rep->vport_rx_rule);
mlx5e_destroy_direct_tirs(priv); mlx5e_destroy_direct_tirs(priv);
for (i = 0; i < priv->params.num_channels; i++) for (i = 0; i < priv->params.num_channels; i++)