UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

net/mlx5: Support ndo bridge_setlink and getlink 

Allow enabling VEPA mode on the HCA's port in legacy devlink mode.

Example:
bridge link set dev ens1f0 hwmode vepa
will turn on VEPA mode on the netdev ens1f0.

Signed-off-by: Huy Nguyen <huyn@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
This commit is contained in:
Huy Nguyen 2019-02-19 21:40:34 -06:00 committed by Saeed Mahameed
parent 8da202b249
commit 4b89251de0
1 changed files with 59 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

59
drivers/net/ethernet/mellanox/mlx5/core/en_main.c
View File

@ -35,6 +35,7 @@
#include <linux/mlx5/fs.h>
#include <net/vxlan.h>
#include <linux/bpf.h>
#include <linux/if_bridge.h>
#include <net/page_pool.h>
#include "eswitch.h"
#include "en.h"
@ -4305,6 +4306,61 @@ static int mlx5e_xdp(struct net_device *dev, struct netdev_bpf *xdp)
}
}
#ifdef CONFIG_MLX5_ESWITCH
static int mlx5e_bridge_getlink(struct sk_buff *skb, u32 pid, u32 seq,
struct net_device *dev, u32 filter_mask,
int nlflags)
{
struct mlx5e_priv *priv = netdev_priv(dev);
struct mlx5_core_dev *mdev = priv->mdev;
u8 mode, setting;
int err;
err = mlx5_eswitch_get_vepa(mdev->priv.eswitch, &setting);
if (err)
return err;
mode = setting ? BRIDGE_MODE_VEPA : BRIDGE_MODE_VEB;
return ndo_dflt_bridge_getlink(skb, pid, seq, dev,
mode,
0, 0, nlflags, filter_mask, NULL);
}
static int mlx5e_bridge_setlink(struct net_device *dev, struct nlmsghdr *nlh,
u16 flags, struct netlink_ext_ack *extack)
{
struct mlx5e_priv *priv = netdev_priv(dev);
struct mlx5_core_dev *mdev = priv->mdev;
struct nlattr *attr, *br_spec;
u16 mode = BRIDGE_MODE_UNDEF;
u8 setting;
int rem;
br_spec = nlmsg_find_attr(nlh, sizeof(struct ifinfomsg), IFLA_AF_SPEC);
if (!br_spec)
return -EINVAL;
nla_for_each_nested(attr, br_spec, rem) {
if (nla_type(attr) != IFLA_BRIDGE_MODE)
continue;
if (nla_len(attr) < sizeof(mode))
return -EINVAL;
mode = nla_get_u16(attr);
if (mode > BRIDGE_MODE_VEPA)
return -EINVAL;
break;
}
if (mode == BRIDGE_MODE_UNDEF)
return -EINVAL;
setting = (mode == BRIDGE_MODE_VEPA) ? 1 : 0;
return mlx5_eswitch_set_vepa(mdev->priv.eswitch, setting);
}
#endif
const struct net_device_ops mlx5e_netdev_ops = {
.ndo_open = mlx5e_open,
.ndo_stop = mlx5e_close,
@ -4331,6 +4387,9 @@ const struct net_device_ops mlx5e_netdev_ops = {
.ndo_rx_flow_steer = mlx5e_rx_flow_steer,
#endif
#ifdef CONFIG_MLX5_ESWITCH
.ndo_bridge_setlink = mlx5e_bridge_setlink,
.ndo_bridge_getlink = mlx5e_bridge_getlink,
/* SRIOV E-Switch NDOs */
.ndo_set_vf_mac = mlx5e_set_vf_mac,
.ndo_set_vf_vlan = mlx5e_set_vf_vlan,