linux-stable/net/core/netdev-genl-gen.h
Jakub Kicinski d49010adae net: page_pool: expose page pool stats via netlink
Dump the stats into netlink. More clever approaches
like dumping the stats per-CPU for each CPU individually
to see where the packets get consumed can be implemented
in the future.

A trimmed example from a real (but recently booted system):

$ ./cli.py --no-schema --spec netlink/specs/netdev.yaml \
           --dump page-pool-stats-get
[{'info': {'id': 19, 'ifindex': 2},
  'alloc-empty': 48,
  'alloc-fast': 3024,
  'alloc-refill': 0,
  'alloc-slow': 48,
  'alloc-slow-high-order': 0,
  'alloc-waive': 0,
  'recycle-cache-full': 0,
  'recycle-cached': 0,
  'recycle-released-refcnt': 0,
  'recycle-ring': 0,
  'recycle-ring-full': 0},
 {'info': {'id': 18, 'ifindex': 2},
  'alloc-empty': 66,
  'alloc-fast': 11811,
  'alloc-refill': 35,
  'alloc-slow': 66,
  'alloc-slow-high-order': 0,
  'alloc-waive': 0,
  'recycle-cache-full': 1145,
  'recycle-cached': 6541,
  'recycle-released-refcnt': 0,
  'recycle-ring': 1275,
  'recycle-ring-full': 0},
 {'info': {'id': 17, 'ifindex': 2},
  'alloc-empty': 73,
  'alloc-fast': 62099,
  'alloc-refill': 413,
...

Acked-by: Jesper Dangaard Brouer <hawk@kernel.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2023-11-28 15:48:39 +01:00

34 lines
1.1 KiB
C

/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) */
/* Do not edit directly, auto-generated from: */
/* Documentation/netlink/specs/netdev.yaml */
/* YNL-GEN kernel header */
#ifndef _LINUX_NETDEV_GEN_H
#define _LINUX_NETDEV_GEN_H
#include <net/netlink.h>
#include <net/genetlink.h>
#include <uapi/linux/netdev.h>
/* Common nested types */
extern const struct nla_policy netdev_page_pool_info_nl_policy[NETDEV_A_PAGE_POOL_IFINDEX + 1];
int netdev_nl_dev_get_doit(struct sk_buff *skb, struct genl_info *info);
int netdev_nl_dev_get_dumpit(struct sk_buff *skb, struct netlink_callback *cb);
int netdev_nl_page_pool_get_doit(struct sk_buff *skb, struct genl_info *info);
int netdev_nl_page_pool_get_dumpit(struct sk_buff *skb,
struct netlink_callback *cb);
int netdev_nl_page_pool_stats_get_doit(struct sk_buff *skb,
struct genl_info *info);
int netdev_nl_page_pool_stats_get_dumpit(struct sk_buff *skb,
struct netlink_callback *cb);
enum {
NETDEV_NLGRP_MGMT,
NETDEV_NLGRP_PAGE_POOL,
};
extern struct genl_family netdev_nl_family;
#endif /* _LINUX_NETDEV_GEN_H */