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| /openbmc/linux/drivers/net/ethernet/mellanox/mlx5/core/ |
| H A D | en_tc.c | 2cc1cb1d Wed Feb 27 09:31:19 CST 2019 Tonghao Zhang <xiangxia.m.yue@gmail.com> net/mlx5e: Return -EOPNOTSUPP when attempting to offload an unsupported action
* Now the encapsulation is not supported for mlx5 VFs. When we try to
offload that action, the -EINVAL is returned, but not -EOPNOTSUPP.
This patch changes the returned value and ignore to confuse user.
The command is shown as below [1].
* When max modify header action is zero, we return -EOPNOTSUPP
directly. In this way, we can ignore wrong message info (e.g.
"mlx5: parsed 0 pedit actions, can't do more"). This happens when
offloading pedit actions on mlx(cx4) VFs. The command is shown as below [2].
For example: (p2p1_0 is VF net device)
[1]
$ tc filter add dev p2p1_0 protocol ip parent ffff: prio 1 flower skip_sw \
src_mac e4:11:22:33:44:01 \
action tunnel_key set \
src_ip 1.1.1.100 \
dst_ip 1.1.1.200 \
dst_port 4789 id 100 \
action mirred egress redirect dev vxlan0
[2]
$ tc filter add dev p2p1_0 parent ffff: protocol ip prio 1 \
flower skip_sw dst_mac 00:10:56:fb:64:e8 \
dst_ip 1.1.1.100 src_ip 1.1.1.200 \
action pedit ex munge eth src set 00:10:56:b4:5d:20
Signed-off-by: Tonghao Zhang <xiangxia.m.yue@gmail.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2cc1cb1d Wed Feb 27 09:31:19 CST 2019 Tonghao Zhang <xiangxia.m.yue@gmail.com> net/mlx5e: Return -EOPNOTSUPP when attempting to offload an unsupported action
* Now the encapsulation is not supported for mlx5 VFs. When we try to
offload that action, the -EINVAL is returned, but not -EOPNOTSUPP.
This patch changes the returned value and ignore to confuse user.
The command is shown as below [1].
* When max modify header action is zero, we return -EOPNOTSUPP
directly. In this way, we can ignore wrong message info (e.g.
"mlx5: parsed 0 pedit actions, can't do more"). This happens when
offloading pedit actions on mlx(cx4) VFs. The command is shown as below [2].
For example: (p2p1_0 is VF net device)
[1]
$ tc filter add dev p2p1_0 protocol ip parent ffff: prio 1 flower skip_sw \
src_mac e4:11:22:33:44:01 \
action tunnel_key set \
src_ip 1.1.1.100 \
dst_ip 1.1.1.200 \
dst_port 4789 id 100 \
action mirred egress redirect dev vxlan0
[2]
$ tc filter add dev p2p1_0 parent ffff: protocol ip prio 1 \
flower skip_sw dst_mac 00:10:56:fb:64:e8 \
dst_ip 1.1.1.100 src_ip 1.1.1.200 \
action pedit ex munge eth src set 00:10:56:b4:5d:20
Signed-off-by: Tonghao Zhang <xiangxia.m.yue@gmail.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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