mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
synced 2026-01-18 12:31:11 +00:00
2677010e77
A net device has a threaded sysctl that can be used to enable threaded NAPI polling on all of the NAPI contexts under that device. Allow enabling threaded NAPI polling at individual NAPI level using netlink. Extend the netlink operation `napi-set` and allow setting the threaded attribute of a NAPI. This will enable the threaded polling on a NAPI context. Add a test in `nl_netdev.py` that verifies various cases of threaded NAPI being set at NAPI and at device level. Tested ./tools/testing/selftests/net/nl_netdev.py TAP version 13 1..7 ok 1 nl_netdev.empty_check ok 2 nl_netdev.lo_check ok 3 nl_netdev.page_pool_check ok 4 nl_netdev.napi_list_check ok 5 nl_netdev.dev_set_threaded ok 6 nl_netdev.napi_set_threaded ok 7 nl_netdev.nsim_rxq_reset_down # Totals: pass:7 fail:0 xfail:0 xpass:0 skip:0 error:0 Signed-off-by: Samiullah Khawaja <skhawaja@google.com> Reviewed-by: Willem de Bruijn <willemb@google.com> Link: https://patch.msgid.link/20250710211203.3979655-1-skhawaja@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
233 lines
6.3 KiB
C
233 lines
6.3 KiB
C
/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) */
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/* Do not edit directly, auto-generated from: */
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/* Documentation/netlink/specs/netdev.yaml */
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/* YNL-GEN uapi header */
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#ifndef _UAPI_LINUX_NETDEV_H
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#define _UAPI_LINUX_NETDEV_H
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#define NETDEV_FAMILY_NAME "netdev"
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#define NETDEV_FAMILY_VERSION 1
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/**
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* enum netdev_xdp_act
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* @NETDEV_XDP_ACT_BASIC: XDP features set supported by all drivers
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* (XDP_ABORTED, XDP_DROP, XDP_PASS, XDP_TX)
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* @NETDEV_XDP_ACT_REDIRECT: The netdev supports XDP_REDIRECT
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* @NETDEV_XDP_ACT_NDO_XMIT: This feature informs if netdev implements
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* ndo_xdp_xmit callback.
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* @NETDEV_XDP_ACT_XSK_ZEROCOPY: This feature informs if netdev supports AF_XDP
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* in zero copy mode.
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* @NETDEV_XDP_ACT_HW_OFFLOAD: This feature informs if netdev supports XDP hw
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* offloading.
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* @NETDEV_XDP_ACT_RX_SG: This feature informs if netdev implements non-linear
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* XDP buffer support in the driver napi callback.
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* @NETDEV_XDP_ACT_NDO_XMIT_SG: This feature informs if netdev implements
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* non-linear XDP buffer support in ndo_xdp_xmit callback.
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*/
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enum netdev_xdp_act {
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NETDEV_XDP_ACT_BASIC = 1,
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NETDEV_XDP_ACT_REDIRECT = 2,
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NETDEV_XDP_ACT_NDO_XMIT = 4,
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NETDEV_XDP_ACT_XSK_ZEROCOPY = 8,
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NETDEV_XDP_ACT_HW_OFFLOAD = 16,
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NETDEV_XDP_ACT_RX_SG = 32,
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NETDEV_XDP_ACT_NDO_XMIT_SG = 64,
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/* private: */
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NETDEV_XDP_ACT_MASK = 127,
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};
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/**
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* enum netdev_xdp_rx_metadata
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* @NETDEV_XDP_RX_METADATA_TIMESTAMP: Device is capable of exposing receive HW
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* timestamp via bpf_xdp_metadata_rx_timestamp().
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* @NETDEV_XDP_RX_METADATA_HASH: Device is capable of exposing receive packet
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* hash via bpf_xdp_metadata_rx_hash().
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* @NETDEV_XDP_RX_METADATA_VLAN_TAG: Device is capable of exposing receive
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* packet VLAN tag via bpf_xdp_metadata_rx_vlan_tag().
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*/
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enum netdev_xdp_rx_metadata {
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NETDEV_XDP_RX_METADATA_TIMESTAMP = 1,
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NETDEV_XDP_RX_METADATA_HASH = 2,
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NETDEV_XDP_RX_METADATA_VLAN_TAG = 4,
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};
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/**
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* enum netdev_xsk_flags
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* @NETDEV_XSK_FLAGS_TX_TIMESTAMP: HW timestamping egress packets is supported
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* by the driver.
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* @NETDEV_XSK_FLAGS_TX_CHECKSUM: L3 checksum HW offload is supported by the
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* driver.
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* @NETDEV_XSK_FLAGS_TX_LAUNCH_TIME_FIFO: Launch time HW offload is supported
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* by the driver.
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*/
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enum netdev_xsk_flags {
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NETDEV_XSK_FLAGS_TX_TIMESTAMP = 1,
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NETDEV_XSK_FLAGS_TX_CHECKSUM = 2,
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NETDEV_XSK_FLAGS_TX_LAUNCH_TIME_FIFO = 4,
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};
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enum netdev_queue_type {
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NETDEV_QUEUE_TYPE_RX,
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NETDEV_QUEUE_TYPE_TX,
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};
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enum netdev_qstats_scope {
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NETDEV_QSTATS_SCOPE_QUEUE = 1,
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};
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enum {
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NETDEV_A_DEV_IFINDEX = 1,
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NETDEV_A_DEV_PAD,
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NETDEV_A_DEV_XDP_FEATURES,
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NETDEV_A_DEV_XDP_ZC_MAX_SEGS,
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NETDEV_A_DEV_XDP_RX_METADATA_FEATURES,
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NETDEV_A_DEV_XSK_FEATURES,
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__NETDEV_A_DEV_MAX,
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NETDEV_A_DEV_MAX = (__NETDEV_A_DEV_MAX - 1)
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};
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enum {
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__NETDEV_A_IO_URING_PROVIDER_INFO_MAX,
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NETDEV_A_IO_URING_PROVIDER_INFO_MAX = (__NETDEV_A_IO_URING_PROVIDER_INFO_MAX - 1)
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};
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enum {
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NETDEV_A_PAGE_POOL_ID = 1,
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NETDEV_A_PAGE_POOL_IFINDEX,
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NETDEV_A_PAGE_POOL_NAPI_ID,
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NETDEV_A_PAGE_POOL_INFLIGHT,
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NETDEV_A_PAGE_POOL_INFLIGHT_MEM,
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NETDEV_A_PAGE_POOL_DETACH_TIME,
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NETDEV_A_PAGE_POOL_DMABUF,
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NETDEV_A_PAGE_POOL_IO_URING,
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__NETDEV_A_PAGE_POOL_MAX,
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NETDEV_A_PAGE_POOL_MAX = (__NETDEV_A_PAGE_POOL_MAX - 1)
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};
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enum {
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NETDEV_A_PAGE_POOL_STATS_INFO = 1,
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NETDEV_A_PAGE_POOL_STATS_ALLOC_FAST = 8,
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NETDEV_A_PAGE_POOL_STATS_ALLOC_SLOW,
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NETDEV_A_PAGE_POOL_STATS_ALLOC_SLOW_HIGH_ORDER,
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NETDEV_A_PAGE_POOL_STATS_ALLOC_EMPTY,
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NETDEV_A_PAGE_POOL_STATS_ALLOC_REFILL,
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NETDEV_A_PAGE_POOL_STATS_ALLOC_WAIVE,
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NETDEV_A_PAGE_POOL_STATS_RECYCLE_CACHED,
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NETDEV_A_PAGE_POOL_STATS_RECYCLE_CACHE_FULL,
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NETDEV_A_PAGE_POOL_STATS_RECYCLE_RING,
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NETDEV_A_PAGE_POOL_STATS_RECYCLE_RING_FULL,
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NETDEV_A_PAGE_POOL_STATS_RECYCLE_RELEASED_REFCNT,
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__NETDEV_A_PAGE_POOL_STATS_MAX,
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NETDEV_A_PAGE_POOL_STATS_MAX = (__NETDEV_A_PAGE_POOL_STATS_MAX - 1)
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};
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enum {
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NETDEV_A_NAPI_IFINDEX = 1,
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NETDEV_A_NAPI_ID,
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NETDEV_A_NAPI_IRQ,
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NETDEV_A_NAPI_PID,
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NETDEV_A_NAPI_DEFER_HARD_IRQS,
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NETDEV_A_NAPI_GRO_FLUSH_TIMEOUT,
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NETDEV_A_NAPI_IRQ_SUSPEND_TIMEOUT,
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NETDEV_A_NAPI_THREADED,
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__NETDEV_A_NAPI_MAX,
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NETDEV_A_NAPI_MAX = (__NETDEV_A_NAPI_MAX - 1)
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};
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enum {
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__NETDEV_A_XSK_INFO_MAX,
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NETDEV_A_XSK_INFO_MAX = (__NETDEV_A_XSK_INFO_MAX - 1)
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};
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enum {
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NETDEV_A_QUEUE_ID = 1,
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NETDEV_A_QUEUE_IFINDEX,
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NETDEV_A_QUEUE_TYPE,
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NETDEV_A_QUEUE_NAPI_ID,
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NETDEV_A_QUEUE_DMABUF,
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NETDEV_A_QUEUE_IO_URING,
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NETDEV_A_QUEUE_XSK,
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__NETDEV_A_QUEUE_MAX,
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NETDEV_A_QUEUE_MAX = (__NETDEV_A_QUEUE_MAX - 1)
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};
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enum {
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NETDEV_A_QSTATS_IFINDEX = 1,
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NETDEV_A_QSTATS_QUEUE_TYPE,
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NETDEV_A_QSTATS_QUEUE_ID,
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NETDEV_A_QSTATS_SCOPE,
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NETDEV_A_QSTATS_RX_PACKETS = 8,
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NETDEV_A_QSTATS_RX_BYTES,
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NETDEV_A_QSTATS_TX_PACKETS,
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NETDEV_A_QSTATS_TX_BYTES,
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NETDEV_A_QSTATS_RX_ALLOC_FAIL,
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NETDEV_A_QSTATS_RX_HW_DROPS,
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NETDEV_A_QSTATS_RX_HW_DROP_OVERRUNS,
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NETDEV_A_QSTATS_RX_CSUM_COMPLETE,
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NETDEV_A_QSTATS_RX_CSUM_UNNECESSARY,
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NETDEV_A_QSTATS_RX_CSUM_NONE,
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NETDEV_A_QSTATS_RX_CSUM_BAD,
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NETDEV_A_QSTATS_RX_HW_GRO_PACKETS,
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NETDEV_A_QSTATS_RX_HW_GRO_BYTES,
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NETDEV_A_QSTATS_RX_HW_GRO_WIRE_PACKETS,
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NETDEV_A_QSTATS_RX_HW_GRO_WIRE_BYTES,
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NETDEV_A_QSTATS_RX_HW_DROP_RATELIMITS,
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NETDEV_A_QSTATS_TX_HW_DROPS,
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NETDEV_A_QSTATS_TX_HW_DROP_ERRORS,
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NETDEV_A_QSTATS_TX_CSUM_NONE,
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NETDEV_A_QSTATS_TX_NEEDS_CSUM,
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NETDEV_A_QSTATS_TX_HW_GSO_PACKETS,
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NETDEV_A_QSTATS_TX_HW_GSO_BYTES,
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NETDEV_A_QSTATS_TX_HW_GSO_WIRE_PACKETS,
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NETDEV_A_QSTATS_TX_HW_GSO_WIRE_BYTES,
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NETDEV_A_QSTATS_TX_HW_DROP_RATELIMITS,
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NETDEV_A_QSTATS_TX_STOP,
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NETDEV_A_QSTATS_TX_WAKE,
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__NETDEV_A_QSTATS_MAX,
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NETDEV_A_QSTATS_MAX = (__NETDEV_A_QSTATS_MAX - 1)
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};
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enum {
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NETDEV_A_DMABUF_IFINDEX = 1,
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NETDEV_A_DMABUF_QUEUES,
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NETDEV_A_DMABUF_FD,
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NETDEV_A_DMABUF_ID,
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__NETDEV_A_DMABUF_MAX,
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NETDEV_A_DMABUF_MAX = (__NETDEV_A_DMABUF_MAX - 1)
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};
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enum {
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NETDEV_CMD_DEV_GET = 1,
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NETDEV_CMD_DEV_ADD_NTF,
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NETDEV_CMD_DEV_DEL_NTF,
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NETDEV_CMD_DEV_CHANGE_NTF,
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NETDEV_CMD_PAGE_POOL_GET,
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NETDEV_CMD_PAGE_POOL_ADD_NTF,
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NETDEV_CMD_PAGE_POOL_DEL_NTF,
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NETDEV_CMD_PAGE_POOL_CHANGE_NTF,
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NETDEV_CMD_PAGE_POOL_STATS_GET,
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NETDEV_CMD_QUEUE_GET,
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NETDEV_CMD_NAPI_GET,
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NETDEV_CMD_QSTATS_GET,
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NETDEV_CMD_BIND_RX,
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NETDEV_CMD_NAPI_SET,
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NETDEV_CMD_BIND_TX,
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__NETDEV_CMD_MAX,
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NETDEV_CMD_MAX = (__NETDEV_CMD_MAX - 1)
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};
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#define NETDEV_MCGRP_MGMT "mgmt"
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#define NETDEV_MCGRP_PAGE_POOL "page-pool"
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#endif /* _UAPI_LINUX_NETDEV_H */
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