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Diffstat (limited to 'include/net/ip_vs.h')
-rw-r--r--include/net/ip_vs.h31
1 files changed, 26 insertions, 5 deletions
diff --git a/include/net/ip_vs.h b/include/net/ip_vs.h
index 72d325c81313..02762ce73a0c 100644
--- a/include/net/ip_vs.h
+++ b/include/net/ip_vs.h
@@ -491,6 +491,7 @@ struct ip_vs_est_kt_data {
DECLARE_BITMAP(avail, IPVS_EST_NTICKS); /* tick has space for ests */
unsigned long est_timer; /* estimation timer (jiffies) */
struct ip_vs_stats *calc_stats; /* Used for calculation */
+ int needed; /* task is needed */
int tick_len[IPVS_EST_NTICKS]; /* est count */
int id; /* ktid per netns */
int chain_max; /* max ests per tick chain */
@@ -1411,7 +1412,7 @@ static inline int sysctl_run_estimation(struct netns_ipvs *ipvs)
return ipvs->sysctl_run_estimation;
}
-static inline const struct cpumask *sysctl_est_cpulist(struct netns_ipvs *ipvs)
+static inline const struct cpumask *__sysctl_est_cpulist(struct netns_ipvs *ipvs)
{
if (ipvs->est_cpulist_valid)
return ipvs->sysctl_est_cpulist;
@@ -1529,7 +1530,7 @@ static inline int sysctl_run_estimation(struct netns_ipvs *ipvs)
return 1;
}
-static inline const struct cpumask *sysctl_est_cpulist(struct netns_ipvs *ipvs)
+static inline const struct cpumask *__sysctl_est_cpulist(struct netns_ipvs *ipvs)
{
return housekeeping_cpumask(HK_TYPE_KTHREAD);
}
@@ -1564,6 +1565,18 @@ static inline int sysctl_svc_lfactor(struct netns_ipvs *ipvs)
return READ_ONCE(ipvs->sysctl_svc_lfactor);
}
+static inline bool sysctl_est_cpulist_empty(struct netns_ipvs *ipvs)
+{
+ guard(rcu)();
+ return cpumask_empty(__sysctl_est_cpulist(ipvs));
+}
+
+static inline unsigned int sysctl_est_cpulist_weight(struct netns_ipvs *ipvs)
+{
+ guard(rcu)();
+ return cpumask_weight(__sysctl_est_cpulist(ipvs));
+}
+
/* IPVS core functions
* (from ip_vs_core.c)
*/
@@ -1884,18 +1897,26 @@ int ip_vs_start_estimator(struct netns_ipvs *ipvs, struct ip_vs_stats *stats);
void ip_vs_stop_estimator(struct netns_ipvs *ipvs, struct ip_vs_stats *stats);
void ip_vs_zero_estimator(struct ip_vs_stats *stats);
void ip_vs_read_estimator(struct ip_vs_kstats *dst, struct ip_vs_stats *stats);
-void ip_vs_est_reload_start(struct netns_ipvs *ipvs);
+void ip_vs_est_reload_start(struct netns_ipvs *ipvs, bool restart);
int ip_vs_est_kthread_start(struct netns_ipvs *ipvs,
struct ip_vs_est_kt_data *kd);
void ip_vs_est_kthread_stop(struct ip_vs_est_kt_data *kd);
+static inline void ip_vs_stop_estimator_tot_stats(struct netns_ipvs *ipvs)
+{
+#ifdef CONFIG_SYSCTL
+ ip_vs_stop_estimator(ipvs, &ipvs->tot_stats->s);
+ ipvs->tot_stats->s.est.ktid = -2;
+#endif
+}
+
static inline void ip_vs_est_stopped_recalc(struct netns_ipvs *ipvs)
{
#ifdef CONFIG_SYSCTL
/* Stop tasks while cpulist is empty or if disabled with flag */
ipvs->est_stopped = !sysctl_run_estimation(ipvs) ||
(ipvs->est_cpulist_valid &&
- cpumask_empty(sysctl_est_cpulist(ipvs)));
+ sysctl_est_cpulist_empty(ipvs));
#endif
}
@@ -1911,7 +1932,7 @@ static inline bool ip_vs_est_stopped(struct netns_ipvs *ipvs)
static inline int ip_vs_est_max_threads(struct netns_ipvs *ipvs)
{
unsigned int limit = IPVS_EST_CPU_KTHREADS *
- cpumask_weight(sysctl_est_cpulist(ipvs));
+ sysctl_est_cpulist_weight(ipvs);
return max(1U, limit);
}