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Diffstat (limited to 'lib/librte_eal/common/rte_keepalive.c')
-rw-r--r--lib/librte_eal/common/rte_keepalive.c64
1 files changed, 49 insertions, 15 deletions
diff --git a/lib/librte_eal/common/rte_keepalive.c b/lib/librte_eal/common/rte_keepalive.c
index 23363ec1..9765d1bd 100644
--- a/lib/librte_eal/common/rte_keepalive.c
+++ b/lib/librte_eal/common/rte_keepalive.c
@@ -42,12 +42,8 @@
struct rte_keepalive {
/** Core Liveness. */
- enum rte_keepalive_state {
- ALIVE = 1,
- MISSING = 0,
- DEAD = 2,
- GONE = 3
- } __rte_cache_aligned state_flags[RTE_KEEPALIVE_MAXCORES];
+ enum rte_keepalive_state __rte_cache_aligned state_flags[
+ RTE_KEEPALIVE_MAXCORES];
/** Last-seen-alive timestamps */
uint64_t last_alive[RTE_KEEPALIVE_MAXCORES];
@@ -68,6 +64,15 @@ struct rte_keepalive {
void *callback_data;
uint64_t tsc_initial;
uint64_t tsc_mhz;
+
+ /** Core state relay handler. */
+ rte_keepalive_relay_callback_t relay_callback;
+
+ /**
+ * Core state relay handler app data.
+ * Pointer is passed to live core handler.
+ */
+ void *relay_callback_data;
};
static void
@@ -92,16 +97,18 @@ rte_keepalive_dispatch_pings(__rte_unused void *ptr_timer,
continue;
switch (keepcfg->state_flags[idx_core]) {
- case ALIVE: /* Alive */
- keepcfg->state_flags[idx_core] = MISSING;
+ case RTE_KA_STATE_UNUSED:
+ break;
+ case RTE_KA_STATE_ALIVE: /* Alive */
+ keepcfg->state_flags[idx_core] = RTE_KA_STATE_MISSING;
keepcfg->last_alive[idx_core] = rte_rdtsc();
break;
- case MISSING: /* MIA */
+ case RTE_KA_STATE_MISSING: /* MIA */
print_trace("Core MIA. ", keepcfg, idx_core);
- keepcfg->state_flags[idx_core] = DEAD;
+ keepcfg->state_flags[idx_core] = RTE_KA_STATE_DEAD;
break;
- case DEAD: /* Dead */
- keepcfg->state_flags[idx_core] = GONE;
+ case RTE_KA_STATE_DEAD: /* Dead */
+ keepcfg->state_flags[idx_core] = RTE_KA_STATE_GONE;
print_trace("Core died. ", keepcfg, idx_core);
if (keepcfg->callback)
keepcfg->callback(
@@ -109,9 +116,22 @@ rte_keepalive_dispatch_pings(__rte_unused void *ptr_timer,
idx_core
);
break;
- case GONE: /* Buried */
+ case RTE_KA_STATE_GONE: /* Buried */
+ break;
+ case RTE_KA_STATE_DOZING: /* Core going idle */
+ keepcfg->state_flags[idx_core] = RTE_KA_STATE_SLEEP;
+ keepcfg->last_alive[idx_core] = rte_rdtsc();
+ break;
+ case RTE_KA_STATE_SLEEP: /* Idled core */
break;
}
+ if (keepcfg->relay_callback)
+ keepcfg->relay_callback(
+ keepcfg->relay_callback_data,
+ idx_core,
+ keepcfg->state_flags[idx_core],
+ keepcfg->last_alive[idx_core]
+ );
}
}
@@ -133,11 +153,19 @@ rte_keepalive_create(rte_keepalive_failure_callback_t callback,
return keepcfg;
}
+void rte_keepalive_register_relay_callback(struct rte_keepalive *keepcfg,
+ rte_keepalive_relay_callback_t callback,
+ void *data)
+{
+ keepcfg->relay_callback = callback;
+ keepcfg->relay_callback_data = data;
+}
+
void
rte_keepalive_register_core(struct rte_keepalive *keepcfg, const int id_core)
{
if (id_core < RTE_KEEPALIVE_MAXCORES) {
- keepcfg->active_cores[id_core] = 1;
+ keepcfg->active_cores[id_core] = RTE_KA_STATE_ALIVE;
keepcfg->last_alive[id_core] = rte_rdtsc();
}
}
@@ -145,5 +173,11 @@ rte_keepalive_register_core(struct rte_keepalive *keepcfg, const int id_core)
void
rte_keepalive_mark_alive(struct rte_keepalive *keepcfg)
{
- keepcfg->state_flags[rte_lcore_id()] = ALIVE;
+ keepcfg->state_flags[rte_lcore_id()] = RTE_KA_STATE_ALIVE;
+}
+
+void
+rte_keepalive_mark_sleep(struct rte_keepalive *keepcfg)
+{
+ keepcfg->state_flags[rte_lcore_id()] = RTE_KA_STATE_DOZING;
}