summaryrefslogtreecommitdiff
path: root/Documentation
diff options
context:
space:
mode:
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/networking/devlink/mlx5.rst9
1 files changed, 9 insertions, 0 deletions
diff --git a/Documentation/networking/devlink/mlx5.rst b/Documentation/networking/devlink/mlx5.rst
index 60cc9fedf1ef..41c9b716699e 100644
--- a/Documentation/networking/devlink/mlx5.rst
+++ b/Documentation/networking/devlink/mlx5.rst
@@ -62,6 +62,15 @@ Note: permanent parameters such as ``enable_sriov`` and ``total_vfs`` require FW
echo 1 >/sys/bus/pci/rescan
grep ^ /sys/bus/pci/devices/0000:01:00.0/sriov_*
+ * - ``num_doorbells``
+ - driverinit
+ - This controls the number of channel doorbells used by the netdev. In all
+ cases, an additional doorbell is allocated and used for non-channel
+ communication (e.g. for PTP, HWS, etc.). Supported values are:
+
+ - 0: No channel-specific doorbells, use the global one for everything.
+ - [1, max_num_channels]: Spread netdev channels equally across these
+ doorbells.
The ``mlx5`` driver also implements the following driver-specific
parameters.