Signed-off-by: Remy Horton
---
examples/Makefile | 2 +-
lib/librte_eal/bsdapp/eal/rte_eal_version.map | 7
lib/librte_eal/common/include/rte_keepalive.h | 55 -
lib/librte_eal/common/rte_keepalive.c | 48 +
lib/librte_eal/linuxapp/eal/rte_eal_version.map | 7
5 files changed, 110 insertions(+), 9 deletions(-)
diff --git a/examples/Makefile b/examples/Makefile
index b28b30e..3bc635a 100644
--- a/examples/Makefile
+++ b/examples/Makefile
@@ -1,6 +1,6 @@
# BSD LICENSE
#
-# Copyright(c) 2014 6WIND S.A.
+# Copyright(c) 2016 6WIND S.A.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
diff --git a/lib/librte_eal/bsdapp/eal/rte_eal_version.map
b/lib/librte_eal/bsdapp/eal/rte_eal_version.map
index 58c2951..9a33441 100644
--- a/lib/librte_eal/bsdapp/eal/rte_eal_version.map
+++ b/lib/librte_eal/bsdapp/eal/rte_eal_version.map
@@ -151,3 +151,10 @@ DPDK_16.04 {
rte_eal_primary_proc_alive;
} DPDK_2.2;
+
+DPDK_16.7 {
+ global:
+
+ rte_keepalive_register_alive_callback;
+
+} DPDK_16.04;
diff --git a/lib/librte_eal/common/include/rte_keepalive.h
b/lib/librte_eal/common/include/rte_keepalive.h
index 10dac2e..e23dda2 100644
--- a/lib/librte_eal/common/include/rte_keepalive.h
+++ b/lib/librte_eal/common/include/rte_keepalive.h
@@ -1,7 +1,7 @@
/*-
* BSD LICENSE
*
- * Copyright 2015 Intel Shannon Ltd. All rights reserved.
+ * Copyright 2015-2016 Intel Shannon Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
@@ -48,6 +48,16 @@
#define RTE_KEEPALIVE_MAXCORES RTE_MAX_LCORE
#endif
+enum rte_keepalive_state {
+ UNUSED = 0,
+ ALIVE = 1,
+ MISSING = 4,
+ DEAD = 2,
+ GONE = 3,
+ DOZING = 5,
+ SLEEP = 6
+};
+
/**
* Keepalive failure callback.
*
@@ -59,6 +69,19 @@ typedef void (*rte_keepalive_failure_callback_t)(
const int id_core);
/**
+ * Keepalive relay callback.
+ *
+ * Receives a data pointer passed to rte_keepalive_register_relay_callback()
+ * and the id of the core for which state is to be forwarded.
+ */
+typedef void (*rte_keepalive_relay_callback_t)(
+ void *data,
+ const int id_core,
+ enum rte_keepalive_state core_state,
+ uint64_t last_seen
+ );
+
+/**
* Keepalive state structure.
* @internal
*/
@@ -105,4 +128,34 @@ void rte_keepalive_register_core(struct rte_keepalive
*keepcfg,
void
rte_keepalive_mark_alive(struct rte_keepalive *keepcfg);
+/**
+ * Per-core sleep-time indication.
+ * @param *keepcfg
+ * Keepalive structure pointer
+ *
+ * This function needs to be called from within the main process loop of
+ * the LCore going to sleep.
+ */
+void
+rte_keepalive_mark_sleep(struct rte_keepalive *keepcfg);
+
+/**
+ * Registers a 'live core' callback.
+ *
+ * The complement of the 'dead core' callback. This is called when a
+ * core is known to be alive, and is intended for cases when an app
+ * needs to know 'liveness' beyond just knowing when a core has died.
+ *
+ * @param *keepcfg
+ * Keepalive structure pointer
+ * @param callback
+ * Function called upon detection of a dead core.
+ * @param data
+ * Data pointer to be passed to function callback.
+ */
+void
+rte_keepalive_register_relay_callback(struct rte_keepalive *keepcfg,
+ rte_keepalive_relay_callback_t callback,
+ void *data);
+
#endif /* _KEEPALIVE_H_ */
diff --git a/lib/librte_eal/common/rte_keepalive.c
b/lib/librte_eal/common/rte_keepalive.c
index 23363ec..9cc890c 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
@@ -92,6 +97,8 @@ rte_keepalive_dispatch_pings(__rte_unused void *ptr_timer,
continue;
switch (keepcfg->state_flags[idx_core]) {
+ case UNUSED:
+ break;
case
