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a9c2a60854
Add new xdp-rx-metadata-features member to netdev netlink which exports a bitmask of supported kfuncs. Most of the patch is autogenerated (headers), the only relevant part is netdev.yaml and the changes in netdev-genl.c to marshal into netlink. Example output on veth: $ ip link add veth0 type veth peer name veth1 # ifndex == 12 $ ./tools/net/ynl/samples/netdev 12 Select ifc ($ifindex; or 0 = dump; or -2 ntf check): 12 veth1[12] xdp-features (23): basic redirect rx-sg xdp-rx-metadata-features (3): timestamp hash xdp-zc-max-segs=0 Cc: netdev@vger.kernel.org Cc: Willem de Bruijn <willemb@google.com> Signed-off-by: Stanislav Fomichev <sdf@google.com> Link: https://lore.kernel.org/r/20230913171350.369987-3-sdf@google.com Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
80 lines
2.3 KiB
C
80 lines
2.3 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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*/
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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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/* private: */
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NETDEV_XDP_RX_METADATA_MASK = 3,
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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_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_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_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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#endif /* _UAPI_LINUX_NETDEV_H */
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