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| author |   Vlad Buslov <vladbu@nvidia.com> | 2021-04-02 15:09:06 +0300 |
|---|---|---|
| committer |   Saeed Mahameed <saeedm@nvidia.com> | 2021-06-09 18:36:11 -0700 |
| commit | 36e55079e54955a70b2c340eedd6125f794a911d (patch) | |
| tree | 4ca2a84ea679be07a3cb571e0743dc43f4ee969f /Documentation/networking | |
| parent | net/mlx5: Bridge, match FDB entry vlan tag (diff) | |
| download | linux-dev-36e55079e54955a70b2c340eedd6125f794a911d.tar.xz linux-dev-36e55079e54955a70b2c340eedd6125f794a911d.zip | |
net/mlx5: Bridge, support pvid and untagged vlan configurations
Implement support for pushing vlan header into untagged packet on ingress
of port that has pvid configured and support for popping vlan on egress of
port that has the matching vlan configured as untagged. To support such
configurations packet reformat contexts of {INSERT|REMOVE}_HEADER types are
created per such vlan and saved to struct mlx5_esw_bridge_vlan which allows
all FDB entries on particular vlan to share single packet reformat
instance. When initializing FDB entries with pvid or untagged vlan type set
its mlx5_flow_act->pkt_reformat action accordingly.
Flush all flows when removing vlan from port. This is necessary because
even though software bridge removes all FDB entries before removing their
vlan, mlx5 bridge implementation deletes their corresponding flow entries
from hardware in asynchronous workqueue task, which will cause firmware
error if vlan packet reformat context is deleted before all flows that
point to it.
Signed-off-by: Vlad Buslov <vladbu@nvidia.com>
Reviewed-by: Jianbo Liu <jianbol@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Diffstat (limited to 'Documentation/networking')
| -rw-r--r-- | Documentation/networking/device_drivers/ethernet/mellanox/mlx5.rst | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/Documentation/networking/device_drivers/ethernet/mellanox/mlx5.rst b/Documentation/networking/device_drivers/ethernet/mellanox/mlx5.rst index a0c91fe5574d..058882dca17b 100644 --- a/Documentation/networking/device_drivers/ethernet/mellanox/mlx5.rst +++ b/Documentation/networking/device_drivers/ethernet/mellanox/mlx5.rst @@ -241,6 +241,14 @@ Following bridge VLAN functions are supported by mlx5: $ ip link set bridge1 type bridge vlan_filtering 1 $ bridge vlan add dev enp8s0f0 vid 2-3 +- VLAN push on bridge ingress:: + + $ bridge vlan add dev enp8s0f0 vid 3 pvid + +- VLAN pop on bridge egress:: + + $ bridge vlan add dev enp8s0f0 vid 3 untagged + mlx5 subfunction ================ mlx5 supports subfunction management using devlink port (see :ref:`Documentation/networking/devlink/devlink-port.rst <devlink_port>`) interface. |