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d0083d98f6
After this change, qdisc packet counter is no longer a 32bit quantity. We still export 32bit values to user. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
84 lines
2.8 KiB
C
84 lines
2.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __NET_GEN_STATS_H
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#define __NET_GEN_STATS_H
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#include <linux/gen_stats.h>
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#include <linux/socket.h>
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#include <linux/rtnetlink.h>
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#include <linux/pkt_sched.h>
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/* Note: this used to be in include/uapi/linux/gen_stats.h */
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struct gnet_stats_basic_packed {
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__u64 bytes;
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__u64 packets;
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};
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struct gnet_stats_basic_cpu {
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struct gnet_stats_basic_packed bstats;
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struct u64_stats_sync syncp;
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} __aligned(2 * sizeof(u64));
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struct net_rate_estimator;
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struct gnet_dump {
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spinlock_t * lock;
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struct sk_buff * skb;
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struct nlattr * tail;
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/* Backward compatibility */
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int compat_tc_stats;
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int compat_xstats;
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int padattr;
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void * xstats;
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int xstats_len;
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struct tc_stats tc_stats;
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};
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int gnet_stats_start_copy(struct sk_buff *skb, int type, spinlock_t *lock,
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struct gnet_dump *d, int padattr);
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int gnet_stats_start_copy_compat(struct sk_buff *skb, int type,
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int tc_stats_type, int xstats_type,
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spinlock_t *lock, struct gnet_dump *d,
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int padattr);
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int gnet_stats_copy_basic(const seqcount_t *running,
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struct gnet_dump *d,
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struct gnet_stats_basic_cpu __percpu *cpu,
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struct gnet_stats_basic_packed *b);
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void __gnet_stats_copy_basic(const seqcount_t *running,
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struct gnet_stats_basic_packed *bstats,
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struct gnet_stats_basic_cpu __percpu *cpu,
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struct gnet_stats_basic_packed *b);
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int gnet_stats_copy_basic_hw(const seqcount_t *running,
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struct gnet_dump *d,
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struct gnet_stats_basic_cpu __percpu *cpu,
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struct gnet_stats_basic_packed *b);
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int gnet_stats_copy_rate_est(struct gnet_dump *d,
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struct net_rate_estimator __rcu **ptr);
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int gnet_stats_copy_queue(struct gnet_dump *d,
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struct gnet_stats_queue __percpu *cpu_q,
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struct gnet_stats_queue *q, __u32 qlen);
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void __gnet_stats_copy_queue(struct gnet_stats_queue *qstats,
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const struct gnet_stats_queue __percpu *cpu_q,
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const struct gnet_stats_queue *q, __u32 qlen);
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int gnet_stats_copy_app(struct gnet_dump *d, void *st, int len);
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int gnet_stats_finish_copy(struct gnet_dump *d);
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int gen_new_estimator(struct gnet_stats_basic_packed *bstats,
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struct gnet_stats_basic_cpu __percpu *cpu_bstats,
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struct net_rate_estimator __rcu **rate_est,
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spinlock_t *lock,
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seqcount_t *running, struct nlattr *opt);
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void gen_kill_estimator(struct net_rate_estimator __rcu **ptr);
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int gen_replace_estimator(struct gnet_stats_basic_packed *bstats,
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struct gnet_stats_basic_cpu __percpu *cpu_bstats,
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struct net_rate_estimator __rcu **ptr,
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spinlock_t *lock,
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seqcount_t *running, struct nlattr *opt);
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bool gen_estimator_active(struct net_rate_estimator __rcu **ptr);
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bool gen_estimator_read(struct net_rate_estimator __rcu **ptr,
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struct gnet_stats_rate_est64 *sample);
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#endif
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