diff options
author | Saeed Mahameed <saeedm@mellanox.com> | 2016-02-22 18:17:26 +0200 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2016-02-24 13:50:21 -0500 |
commit | 08fb1dacdd763431436d648fd9dc4246e3d5517e (patch) | |
tree | d9121cf715dfe6c385d323faabab96f05f7ed44d /drivers/net/ethernet/mellanox/mlx5/core/Kconfig | |
parent | net/mlx5: Introduce physical port TC/prio access functions (diff) | |
download | linux-dev-08fb1dacdd763431436d648fd9dc4246e3d5517e.tar.xz linux-dev-08fb1dacdd763431436d648fd9dc4246e3d5517e.zip |
net/mlx5e: Support DCBNL IEEE ETS
Support the ndo_setup_tc callback and the needed methods
for multi TC/UP support, and removed the default_vlan_prio
from mlx5e_priv which is always 0, it was replaced with
hardcoded "0" in the new select queue method.
For that we now create MAX_NUM_TC num of TISs (one per prio)
on netdevice creation instead of priv->params.num_tc which
was always 1.
So far each channel had a single TXQ, Now each channel has a
TXQ per TC (Traffic Class).
Added en_dcbnl.c which implements the set/get DCBNL IEEE ETS,
set/get dcbx and registers the mlx5e dcbnl ops.
We still use the kernel's default TXQ selection method to select the
channel to transmit through but now we use our own method to select
the TXQ inside the channel based on VLAN priority.
In mlx5, as opposed to mlx4, tc group N gets lower priority than
tc group N+1.
CC: John Fastabend <john.fastabend@gmail.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Rana Shahout <ranas@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/Kconfig')
-rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/Kconfig | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/Kconfig b/drivers/net/ethernet/mellanox/mlx5/core/Kconfig index c503ea05e742..1cf722eba607 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/Kconfig +++ b/drivers/net/ethernet/mellanox/mlx5/core/Kconfig @@ -19,3 +19,15 @@ config MLX5_CORE_EN Ethernet support in Mellanox Technologies ConnectX-4 NIC. Ethernet and Infiniband support in ConnectX-4 are currently mutually exclusive. + +config MLX5_CORE_EN_DCB + bool "Data Center Bridging (DCB) Support" + default y + depends on MLX5_CORE_EN && DCB + ---help--- + Say Y here if you want to use Data Center Bridging (DCB) in the + driver. + If set to N, will not be able to configure QoS and ratelimit attributes. + This flag is depended on the kernel's DCB support. + + If unsure, set to Y |