linux/Documentation/networking/device_drivers/ethernet/intel, branch master

ice: add ice driver PTP pin documentation

2025-06-09T16:56:18Z

Add a description of PTP pins support by the adapters to ice driver documentation. Reviewed-by: Milena Olech Signed-off-by: Karol Kolacinski Signed-off-by: Arkadiusz Kubalewski Tested-by: Rinitha S (A Contingent worker at Intel) Reviewed-by: Simon Horman Signed-off-by: Tony Nguyen

i40e: add ability to reset VF for Tx and Rx MDD events

2025-01-08T02:16:02Z

Implement "mdd-auto-reset-vf" priv-flag to handle Tx and Rx MDD events for VFs. This flag is also used in other network adapters like ICE. Usage: - "on" - The problematic VF will be automatically reset if a malformed descriptor is detected. - "off" - The problematic VF will be disabled. In cases where a VF sends malformed packets classified as malicious, it can cause the Tx queue to freeze, rendering it unusable for several minutes. When an MDD event occurs, this new implementation allows for a graceful VF reset to quickly restore operational state. Currently, VF queues are disabled if an MDD event occurs. This patch adds the ability to reset the VF if a Tx or Rx MDD event occurs. It also includes MDD event logging throttling to avoid dmesg pollution and unifies the format of Tx and Rx MDD messages. Note: Standard message rate limiting functions like dev_info_ratelimited() do not meet our requirements. Custom rate limiting is implemented, please see the code for details. Co-developed-by: Jan Sokolowski Signed-off-by: Jan Sokolowski Co-developed-by: Padraig J Connolly Signed-off-by: Padraig J Connolly Signed-off-by: Aleksandr Loktionov Reviewed-by: Michal Schmidt Tested-by: Rafal Romanowski Signed-off-by: Tony Nguyen Link: https://patch.msgid.link/20250106221929.956999-13-anthony.l.nguyen@intel.com Signed-off-by: Jakub Kicinski

ice: Implement ethtool reset support

2024-10-08T21:37:15Z

Enable ethtool reset support. Ethtool reset flags are mapped to the E810 reset type: PF reset: $ ethtool --reset irq dma filter offload CORE reset: $ ethtool --reset irq-shared dma-shared filter-shared \ offload-shared ram-shared GLOBAL reset: $ ethtool --reset irq-shared dma-shared filter-shared \ offload-shared mac-shared phy-shared ram-shared Calling the same set of flags as in PF reset case on port representor triggers VF reset. Reviewed-by: Michal Swiatkowski Reviewed-by: Marcin Szycik Reviewed-by: Przemek Kitszel Acked-by: Jakub Kicinski Signed-off-by: Wojciech Drewek Tested-by: Pucha Himasekhar Reddy (A Contingent worker at Intel) Signed-off-by: Tony Nguyen

ice: Implement RSS settings for GTP using ethtool

2024-03-06T17:31:49Z

Following the addition of new GTP RSS hash options to ethtool.h, this patch implements the corresponding RSS settings for GTP packets in the Intel ice driver. It enables users to configure RSS for GTP-U and GTP-C traffic over IPv4 and IPv6, utilizing the newly defined hash options. The implementation covers the handling of gtpu(4|6), gtpc(4|6), gtpc(4|6)t, gtpu(4|6)e, gtpu(4|6)u, and gtpu(4|6)d traffic, providing enhanced load distribution for GTP traffic across multiple processing units. Signed-off-by: Takeru Hayasaka Reviewed-by: Marcin Szycik Tested-by: Pucha Himasekhar Reddy (A Contingent worker at Intel) Signed-off-by: Tony Nguyen

ice: add documentation for FW logging

2023-12-14T17:51:02Z

Add documentation for FW logging in Documentation/networking/device_drivers/ethernet/intel/ice.rst Signed-off-by: Paul M Stillwell Jr Signed-off-by: Tony Nguyen

idpf: add SRIOV support and other ndo_ops

2023-09-13T21:59:24Z

Add support for SRIOV: send the requested number of VFs to the device Control Plane, via the virtchnl message and then enable the VFs using 'pci_enable_sriov'. Add other ndo ops supported by the driver such as features_check, set_rx_mode, validate_addr, set_mac_address, change_mtu, get_stats64, set_features, and tx_timeout. Initialize the statistics task which requests the queue related statistics to the CP. Add loopback and promiscuous mode support and the respective virtchnl messages. Finally, add documentation and build support for the driver. Signed-off-by: Joshua Hay Co-developed-by: Alan Brady Signed-off-by: Alan Brady Co-developed-by: Madhu Chittim Signed-off-by: Madhu Chittim Co-developed-by: Phani Burra Signed-off-by: Phani Burra Reviewed-by: Sridhar Samudrala Reviewed-by: Willem de Bruijn Co-developed-by: Pavan Kumar Linga Signed-off-by: Pavan Kumar Linga Signed-off-by: Tony Nguyen

ice: Remove LAG+SRIOV mutual exclusion

2023-05-17T15:43:47Z

There was a change previously to stop SR-IOV and LAG from existing on the same interface. This was to prevent the violation of LACP (Link Aggregation Control Protocol). The method to achieve this was to add a no-op Rx handler onto the netdev when SR-IOV VFs were present, thus blocking bonding, bridging, etc from claiming the interface by adding its own Rx handler. Also, when an interface was added into a aggregate, then the SR-IOV capability was set to false. There are some users that have in house solutions using both SR-IOV and bridging/bonding that this method interferes with (e.g. creating duplicate VFs on the bonded interfaces and failing between them when the interface fails over). It makes more sense to provide the most functionality possible, the restriction on co-existence of these features will be removed. No additional functionality is currently being provided beyond what existed before the co-existence restriction was put into place. It is up to the end user to not implement a solution that would interfere with existing network protocols. Reviewed-by: Michal Swiatkowski Signed-off-by: Dave Ertman Signed-off-by: Wojciech Drewek Tested-by: Pucha Himasekhar Reddy (A Contingent worker at Intel) Signed-off-by: Tony Nguyen

Documentation/eth/intel: Remove references to SourceForge

2023-03-30T16:35:04Z

The out-of-tree driver is hosted on SourceForge, as this does not apply to the kernel driver remove references to it. Also do some minor formatting changes around this section. Suggested-by: Jesse Brandeburg Signed-off-by: Tony Nguyen Reviewed-by: Jesse Brandeburg

Documentation/eth/intel: Update address for driver support

2023-03-30T16:34:59Z

Update the email address for support to use Intel Wired LAN, the mailing list used for kernel development. Suggested-by: Jesse Brandeburg Signed-off-by: Tony Nguyen Reviewed-by: Jesse Brandeburg

docs: networking: document NAPI

2023-03-24T02:47:40Z

Add basic documentation about NAPI. We can stop linking to the ancient doc on the LF wiki. Link: https://lore.kernel.org/all/20230315223044.471002-1-kuba@kernel.org/ Reviewed-by: Bagas Sanjaya Reviewed-by: Toke Høiland-Jørgensen Acked-by: Pavel Pisa # for ctucanfd-driver.rst Reviewed-by: Tony Nguyen Reviewed-by: Florian Fainelli Reviewed-by: Stephen Hemminger Reviewed-by: Randy Dunlap Link: https://lore.kernel.org/r/20230322053848.198452-1-kuba@kernel.org Signed-off-by: Jakub Kicinski