diff options
Diffstat (limited to 'Documentation/networking')
| -rw-r--r-- | Documentation/networking/devlink/octeontx2.rst | 16 | ||||
| -rw-r--r-- | Documentation/networking/index.rst | 1 | ||||
| -rw-r--r-- | Documentation/networking/sriov.rst | 25 |
3 files changed, 42 insertions, 0 deletions
diff --git a/Documentation/networking/devlink/octeontx2.rst b/Documentation/networking/devlink/octeontx2.rst index 610de99b728a..d33a90dd44bf 100644 --- a/Documentation/networking/devlink/octeontx2.rst +++ b/Documentation/networking/devlink/octeontx2.rst @@ -40,3 +40,19 @@ The ``octeontx2 AF`` driver implements the following driver-specific parameters. - runtime - Use to set the quantum which hardware uses for scheduling among transmit queues. Hardware uses weighted DWRR algorithm to schedule among all transmit queues. + +The ``octeontx2 PF`` driver implements the following driver-specific parameters. + +.. list-table:: Driver-specific parameters implemented + :widths: 5 5 5 85 + + * - Name + - Type + - Mode + - Description + * - ``unicast_filter_count`` + - u8 + - runtime + - Set the maximum number of unicast filters that can be programmed for + the device. This can be used to achieve better device resource + utilization, avoiding over consumption of unused MCAM table entries. diff --git a/Documentation/networking/index.rst b/Documentation/networking/index.rst index cd5574005dba..d1af04b952f8 100644 --- a/Documentation/networking/index.rst +++ b/Documentation/networking/index.rst @@ -106,6 +106,7 @@ Contents: seg6-sysctl skbuff smc-sysctl + sriov statistics strparser switchdev diff --git a/Documentation/networking/sriov.rst b/Documentation/networking/sriov.rst new file mode 100644 index 000000000000..5deb4ff3154f --- /dev/null +++ b/Documentation/networking/sriov.rst @@ -0,0 +1,25 @@ +.. SPDX-License-Identifier: GPL-2.0 + +=============== +NIC SR-IOV APIs +=============== + +Modern NICs are strongly encouraged to focus on implementing the ``switchdev`` +model (see :ref:`switchdev`) to configure forwarding and security of SR-IOV +functionality. + +Legacy API +========== + +The old SR-IOV API is implemented in ``rtnetlink`` Netlink family as part of +the ``RTM_GETLINK`` and ``RTM_SETLINK`` commands. On the driver side +it consists of a number of ``ndo_set_vf_*`` and ``ndo_get_vf_*`` callbacks. + +Since the legacy APIs do not integrate well with the rest of the stack +the API is considered frozen; no new functionality or extensions +will be accepted. New drivers should not implement the uncommon callbacks; +namely the following callbacks are off limits: + + - ``ndo_get_vf_port`` + - ``ndo_set_vf_port`` + - ``ndo_set_vf_rss_query_en`` |