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X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 27 Aug 2025 18:39:26.0122 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: e89dd6d8-73af-497f-a17d-08dde5990cae X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.118.232];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: BN1PEPF0000468C.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA1PR12MB9547 All ethtool steering rules will go in one group, create it during initialization. Signed-off-by: Daniel Jurgens Reviewed-by: Parav Pandit Reviewed-by: Shahar Shitrit --- drivers/net/virtio_net/virtio_net_ff.c | 25 +++++++++++++++++++++++++ include/uapi/linux/virtio_net_ff.h | 7 +++++++ 2 files changed, 32 insertions(+) diff --git a/drivers/net/virtio_net/virtio_net_ff.c b/drivers/net/virtio_net/virtio_net_ff.c index 61cb45331c97..8ce7995e6622 100644 --- a/drivers/net/virtio_net/virtio_net_ff.c +++ b/drivers/net/virtio_net/virtio_net_ff.c @@ -6,6 +6,9 @@ #include #include "virtio_net_ff.h" +#define VIRTNET_FF_ETHTOOL_GROUP_PRIORITY 1 +#define VIRTNET_FF_MAX_GROUPS 1 + static size_t get_mask_size(u16 type) { switch (type) { @@ -30,6 +33,7 @@ void virtnet_ff_init(struct virtnet_ff *ff, struct virtio_device *vdev) size_t ff_mask_size = sizeof(struct virtio_net_ff_cap_mask_data) + sizeof(struct virtio_net_ff_selector) * VIRTIO_NET_FF_MASK_TYPE_MAX; + struct virtio_net_resource_obj_ff_group ethtool_group = {}; struct virtio_net_ff_selector *sel; int err; int i; @@ -92,6 +96,12 @@ void virtnet_ff_init(struct virtnet_ff *ff, struct virtio_device *vdev) if (err) goto err_ff_action; + if (le32_to_cpu(ff->ff_caps->groups_limit < VIRTNET_FF_MAX_GROUPS)) { + err = -ENOSPC; + goto err_ff_action; + } + ff->ff_caps->groups_limit = VIRTNET_FF_MAX_GROUPS; + err = virtio_device_cap_set(vdev, VIRTIO_NET_FF_RESOURCE_CAP, ff->ff_caps, @@ -121,6 +131,17 @@ void virtnet_ff_init(struct virtnet_ff *ff, struct virtio_device *vdev) if (err) goto err_ff_action; + ethtool_group.group_priority = cpu_to_le16(VIRTNET_FF_ETHTOOL_GROUP_PRIORITY); + + /* Use priority for the object ID. */ + err = virtio_device_object_create(vdev, + VIRTIO_NET_RESOURCE_OBJ_FF_GROUP, + VIRTNET_FF_ETHTOOL_GROUP_PRIORITY, + ðtool_group, + sizeof(ethtool_group)); + if (err) + goto err_ff_action; + ff->vdev = vdev; ff->ff_supported = true; @@ -139,6 +160,10 @@ void virtnet_ff_cleanup(struct virtnet_ff *ff) if (!ff->ff_supported) return; + virtio_device_object_destroy(ff->vdev, + VIRTIO_NET_RESOURCE_OBJ_FF_GROUP, + VIRTNET_FF_ETHTOOL_GROUP_PRIORITY); + kfree(ff->ff_actions); kfree(ff->ff_mask); kfree(ff->ff_caps); diff --git a/include/uapi/linux/virtio_net_ff.h b/include/uapi/linux/virtio_net_ff.h index 930851190964..bc1bed486db9 100644 --- a/include/uapi/linux/virtio_net_ff.h +++ b/include/uapi/linux/virtio_net_ff.h @@ -12,6 +12,8 @@ #define VIRTIO_NET_FF_SELECTOR_CAP 0x801 #define VIRTIO_NET_FF_ACTION_CAP 0x802 +#define VIRTIO_NET_RESOURCE_OBJ_FF_GROUP 0x0200 + struct virtio_net_ff_cap_data { __le32 groups_limit; __le32 classifiers_limit; @@ -52,4 +54,9 @@ struct virtio_net_ff_actions { __u8 reserved[7]; __u8 actions[]; }; + +struct virtio_net_resource_obj_ff_group { + __le16 group_priority; +}; + #endif -- 2.50.1