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5dc51ec86d
Add a per-NAPI IRQ suspension parameter, which can be get/set with netdev-genl. This patch doesn't change any behavior but prepares the code for other changes in the following commits which use irq_suspend_timeout as a timeout for IRQ suspension. Signed-off-by: Martin Karsten <mkarsten@uwaterloo.ca> Co-developed-by: Joe Damato <jdamato@fastly.com> Signed-off-by: Joe Damato <jdamato@fastly.com> Tested-by: Joe Damato <jdamato@fastly.com> Tested-by: Martin Karsten <mkarsten@uwaterloo.ca> Acked-by: Stanislav Fomichev <sdf@fomichev.me> Reviewed-by: Sridhar Samudrala <sridhar.samudrala@intel.com> Link: https://patch.msgid.link/20241109050245.191288-2-jdamato@fastly.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
213 lines
6.7 KiB
C
213 lines
6.7 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 kernel source */
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#include <net/netlink.h>
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#include <net/genetlink.h>
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#include "netdev-genl-gen.h"
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#include <uapi/linux/netdev.h>
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#include <linux/list.h>
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/* Integer value ranges */
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static const struct netlink_range_validation netdev_a_page_pool_id_range = {
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.min = 1ULL,
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.max = U32_MAX,
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};
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static const struct netlink_range_validation netdev_a_page_pool_ifindex_range = {
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.min = 1ULL,
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.max = S32_MAX,
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};
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static const struct netlink_range_validation netdev_a_napi_defer_hard_irqs_range = {
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.max = S32_MAX,
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};
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/* Common nested types */
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const struct nla_policy netdev_page_pool_info_nl_policy[NETDEV_A_PAGE_POOL_IFINDEX + 1] = {
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[NETDEV_A_PAGE_POOL_ID] = NLA_POLICY_FULL_RANGE(NLA_UINT, &netdev_a_page_pool_id_range),
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[NETDEV_A_PAGE_POOL_IFINDEX] = NLA_POLICY_FULL_RANGE(NLA_U32, &netdev_a_page_pool_ifindex_range),
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};
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const struct nla_policy netdev_queue_id_nl_policy[NETDEV_A_QUEUE_TYPE + 1] = {
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[NETDEV_A_QUEUE_ID] = { .type = NLA_U32, },
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[NETDEV_A_QUEUE_TYPE] = NLA_POLICY_MAX(NLA_U32, 1),
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};
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/* NETDEV_CMD_DEV_GET - do */
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static const struct nla_policy netdev_dev_get_nl_policy[NETDEV_A_DEV_IFINDEX + 1] = {
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[NETDEV_A_DEV_IFINDEX] = NLA_POLICY_MIN(NLA_U32, 1),
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};
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/* NETDEV_CMD_PAGE_POOL_GET - do */
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#ifdef CONFIG_PAGE_POOL
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static const struct nla_policy netdev_page_pool_get_nl_policy[NETDEV_A_PAGE_POOL_ID + 1] = {
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[NETDEV_A_PAGE_POOL_ID] = NLA_POLICY_FULL_RANGE(NLA_UINT, &netdev_a_page_pool_id_range),
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};
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#endif /* CONFIG_PAGE_POOL */
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/* NETDEV_CMD_PAGE_POOL_STATS_GET - do */
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#ifdef CONFIG_PAGE_POOL_STATS
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static const struct nla_policy netdev_page_pool_stats_get_nl_policy[NETDEV_A_PAGE_POOL_STATS_INFO + 1] = {
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[NETDEV_A_PAGE_POOL_STATS_INFO] = NLA_POLICY_NESTED(netdev_page_pool_info_nl_policy),
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};
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#endif /* CONFIG_PAGE_POOL_STATS */
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/* NETDEV_CMD_QUEUE_GET - do */
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static const struct nla_policy netdev_queue_get_do_nl_policy[NETDEV_A_QUEUE_TYPE + 1] = {
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[NETDEV_A_QUEUE_IFINDEX] = NLA_POLICY_MIN(NLA_U32, 1),
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[NETDEV_A_QUEUE_TYPE] = NLA_POLICY_MAX(NLA_U32, 1),
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[NETDEV_A_QUEUE_ID] = { .type = NLA_U32, },
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};
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/* NETDEV_CMD_QUEUE_GET - dump */
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static const struct nla_policy netdev_queue_get_dump_nl_policy[NETDEV_A_QUEUE_IFINDEX + 1] = {
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[NETDEV_A_QUEUE_IFINDEX] = NLA_POLICY_MIN(NLA_U32, 1),
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};
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/* NETDEV_CMD_NAPI_GET - do */
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static const struct nla_policy netdev_napi_get_do_nl_policy[NETDEV_A_NAPI_ID + 1] = {
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[NETDEV_A_NAPI_ID] = { .type = NLA_U32, },
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};
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/* NETDEV_CMD_NAPI_GET - dump */
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static const struct nla_policy netdev_napi_get_dump_nl_policy[NETDEV_A_NAPI_IFINDEX + 1] = {
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[NETDEV_A_NAPI_IFINDEX] = NLA_POLICY_MIN(NLA_U32, 1),
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};
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/* NETDEV_CMD_QSTATS_GET - dump */
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static const struct nla_policy netdev_qstats_get_nl_policy[NETDEV_A_QSTATS_SCOPE + 1] = {
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[NETDEV_A_QSTATS_IFINDEX] = NLA_POLICY_MIN(NLA_U32, 1),
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[NETDEV_A_QSTATS_SCOPE] = NLA_POLICY_MASK(NLA_UINT, 0x1),
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};
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/* NETDEV_CMD_BIND_RX - do */
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static const struct nla_policy netdev_bind_rx_nl_policy[NETDEV_A_DMABUF_FD + 1] = {
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[NETDEV_A_DMABUF_IFINDEX] = NLA_POLICY_MIN(NLA_U32, 1),
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[NETDEV_A_DMABUF_FD] = { .type = NLA_U32, },
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[NETDEV_A_DMABUF_QUEUES] = NLA_POLICY_NESTED(netdev_queue_id_nl_policy),
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};
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/* NETDEV_CMD_NAPI_SET - do */
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static const struct nla_policy netdev_napi_set_nl_policy[NETDEV_A_NAPI_IRQ_SUSPEND_TIMEOUT + 1] = {
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[NETDEV_A_NAPI_ID] = { .type = NLA_U32, },
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[NETDEV_A_NAPI_DEFER_HARD_IRQS] = NLA_POLICY_FULL_RANGE(NLA_U32, &netdev_a_napi_defer_hard_irqs_range),
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[NETDEV_A_NAPI_GRO_FLUSH_TIMEOUT] = { .type = NLA_UINT, },
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[NETDEV_A_NAPI_IRQ_SUSPEND_TIMEOUT] = { .type = NLA_UINT, },
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};
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/* Ops table for netdev */
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static const struct genl_split_ops netdev_nl_ops[] = {
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{
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.cmd = NETDEV_CMD_DEV_GET,
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.doit = netdev_nl_dev_get_doit,
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.policy = netdev_dev_get_nl_policy,
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.maxattr = NETDEV_A_DEV_IFINDEX,
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.flags = GENL_CMD_CAP_DO,
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},
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{
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.cmd = NETDEV_CMD_DEV_GET,
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.dumpit = netdev_nl_dev_get_dumpit,
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.flags = GENL_CMD_CAP_DUMP,
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},
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#ifdef CONFIG_PAGE_POOL
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{
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.cmd = NETDEV_CMD_PAGE_POOL_GET,
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.doit = netdev_nl_page_pool_get_doit,
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.policy = netdev_page_pool_get_nl_policy,
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.maxattr = NETDEV_A_PAGE_POOL_ID,
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.flags = GENL_CMD_CAP_DO,
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},
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{
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.cmd = NETDEV_CMD_PAGE_POOL_GET,
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.dumpit = netdev_nl_page_pool_get_dumpit,
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.flags = GENL_CMD_CAP_DUMP,
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},
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#endif /* CONFIG_PAGE_POOL */
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#ifdef CONFIG_PAGE_POOL_STATS
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{
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.cmd = NETDEV_CMD_PAGE_POOL_STATS_GET,
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.doit = netdev_nl_page_pool_stats_get_doit,
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.policy = netdev_page_pool_stats_get_nl_policy,
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.maxattr = NETDEV_A_PAGE_POOL_STATS_INFO,
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.flags = GENL_CMD_CAP_DO,
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},
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{
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.cmd = NETDEV_CMD_PAGE_POOL_STATS_GET,
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.dumpit = netdev_nl_page_pool_stats_get_dumpit,
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.flags = GENL_CMD_CAP_DUMP,
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},
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#endif /* CONFIG_PAGE_POOL_STATS */
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{
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.cmd = NETDEV_CMD_QUEUE_GET,
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.doit = netdev_nl_queue_get_doit,
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.policy = netdev_queue_get_do_nl_policy,
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.maxattr = NETDEV_A_QUEUE_TYPE,
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.flags = GENL_CMD_CAP_DO,
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},
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{
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.cmd = NETDEV_CMD_QUEUE_GET,
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.dumpit = netdev_nl_queue_get_dumpit,
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.policy = netdev_queue_get_dump_nl_policy,
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.maxattr = NETDEV_A_QUEUE_IFINDEX,
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.flags = GENL_CMD_CAP_DUMP,
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},
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{
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.cmd = NETDEV_CMD_NAPI_GET,
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.doit = netdev_nl_napi_get_doit,
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.policy = netdev_napi_get_do_nl_policy,
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.maxattr = NETDEV_A_NAPI_ID,
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.flags = GENL_CMD_CAP_DO,
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},
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{
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.cmd = NETDEV_CMD_NAPI_GET,
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.dumpit = netdev_nl_napi_get_dumpit,
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.policy = netdev_napi_get_dump_nl_policy,
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.maxattr = NETDEV_A_NAPI_IFINDEX,
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.flags = GENL_CMD_CAP_DUMP,
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},
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{
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.cmd = NETDEV_CMD_QSTATS_GET,
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.dumpit = netdev_nl_qstats_get_dumpit,
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.policy = netdev_qstats_get_nl_policy,
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.maxattr = NETDEV_A_QSTATS_SCOPE,
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.flags = GENL_CMD_CAP_DUMP,
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},
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{
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.cmd = NETDEV_CMD_BIND_RX,
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.doit = netdev_nl_bind_rx_doit,
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.policy = netdev_bind_rx_nl_policy,
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.maxattr = NETDEV_A_DMABUF_FD,
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.flags = GENL_ADMIN_PERM | GENL_CMD_CAP_DO,
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},
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{
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.cmd = NETDEV_CMD_NAPI_SET,
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.doit = netdev_nl_napi_set_doit,
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.policy = netdev_napi_set_nl_policy,
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.maxattr = NETDEV_A_NAPI_IRQ_SUSPEND_TIMEOUT,
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.flags = GENL_ADMIN_PERM | GENL_CMD_CAP_DO,
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},
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};
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static const struct genl_multicast_group netdev_nl_mcgrps[] = {
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[NETDEV_NLGRP_MGMT] = { "mgmt", },
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[NETDEV_NLGRP_PAGE_POOL] = { "page-pool", },
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};
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struct genl_family netdev_nl_family __ro_after_init = {
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.name = NETDEV_FAMILY_NAME,
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.version = NETDEV_FAMILY_VERSION,
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.netnsok = true,
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.parallel_ops = true,
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.module = THIS_MODULE,
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.split_ops = netdev_nl_ops,
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.n_split_ops = ARRAY_SIZE(netdev_nl_ops),
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.mcgrps = netdev_nl_mcgrps,
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.n_mcgrps = ARRAY_SIZE(netdev_nl_mcgrps),
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.sock_priv_size = sizeof(struct list_head),
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.sock_priv_init = (void *)netdev_nl_sock_priv_init,
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.sock_priv_destroy = (void *)netdev_nl_sock_priv_destroy,
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};
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