[dpdk-dev] [RFC PATCH v5 3/5] eventtimer: add config variable for adapter

[Erik Gabriel Carrillo <erik.g.carrillo@intel.com>]

This commit introduces a configuration variable that can
be used to enable or disable compilation of the event timer
adapter.

Signed-off-by: Erik Gabriel Carrillo <erik.g.carrillo@intel.com>
---
 config/common_base                     | 1 +
 drivers/event/sw/sw_evdev.c            | 4 ++++
 lib/librte_eventdev/Makefile           | 6 +++---
 lib/librte_eventdev/rte_eventdev_pmd.h | 6 ++++++
 4 files changed, 14 insertions(+), 3 deletions(-)

diff --git a/config/common_base b/config/common_base
index 91a2f0f..09d2a62 100644
--- a/config/common_base
+++ b/config/common_base
@@ -574,6 +574,7 @@ CONFIG_RTE_LIBRTE_EVENTDEV=y
 CONFIG_RTE_LIBRTE_EVENTDEV_DEBUG=n
 CONFIG_RTE_EVENT_MAX_DEVS=16
 CONFIG_RTE_EVENT_MAX_QUEUES_PER_DEV=64
+CONFIG_RTE_LIBRTE_EVENTDEV_TIMER_ADAPTER=y
 CONFIG_RTE_LIBRTE_EVENTDEV_TIMER_ADAPTER_DEBUG=n
 
 #
diff --git a/drivers/event/sw/sw_evdev.c b/drivers/event/sw/sw_evdev.c
index 94da675..69050cf 100644
--- a/drivers/event/sw/sw_evdev.c
+++ b/drivers/event/sw/sw_evdev.c
@@ -435,6 +435,7 @@ sw_eth_rx_adapter_caps_get(const struct rte_eventdev *dev,
 	return 0;
 }
 
+#ifdef RTE_LIBRTE_EVENTDEV_TIMER_ADAPTER
 static int
 sw_timer_adapter_caps_get(const struct rte_eventdev *dev,
 			  uint64_t flags,
@@ -450,6 +451,7 @@ sw_timer_adapter_caps_get(const struct rte_eventdev *dev,
 
 	return 0;
 }
+#endif
 
 static void
 sw_info_get(struct rte_eventdev *dev, struct rte_event_dev_info *info)
@@ -771,7 +773,9 @@ sw_probe(struct rte_vdev_device *vdev)
 
 			.eth_rx_adapter_caps_get = sw_eth_rx_adapter_caps_get,
 
+#ifdef RTE_LIBRTE_EVENTDEV_TIMER_ADAPTER
 			.timer_adapter_caps_get = sw_timer_adapter_caps_get,
+#endif
 
 			.xstats_get = sw_xstats_get,
 			.xstats_get_names = sw_xstats_get_names,
diff --git a/lib/librte_eventdev/Makefile b/lib/librte_eventdev/Makefile
index f3f05c2..2e47fa5 100644
--- a/lib/librte_eventdev/Makefile
+++ b/lib/librte_eventdev/Makefile
@@ -45,7 +45,7 @@ LDLIBS += -lrte_eal -lrte_ring -lrte_ethdev -lrte_hash
 SRCS-y += rte_eventdev.c
 SRCS-y += rte_event_ring.c
 SRCS-y += rte_event_eth_rx_adapter.c
-SRCS-y += rte_event_timer_adapter.c
+SRCS-$(CONFIG_RTE_LIBRTE_EVENTDEV_TIMER_ADAPTER) += rte_event_timer_adapter.c
 
 # export include files
 SYMLINK-y-include += rte_eventdev.h
@@ -54,8 +54,8 @@ SYMLINK-y-include += rte_eventdev_pmd_pci.h
 SYMLINK-y-include += rte_eventdev_pmd_vdev.h
 SYMLINK-y-include += rte_event_ring.h
 SYMLINK-y-include += rte_event_eth_rx_adapter.h
-SYMLINK-y-include += rte_event_timer_adapter.h
-SYMLINK-y-include += rte_event_timer_adapter_pmd.h
+SYMLINK-$(CONFIG_RTE_LIBRTE_EVENTDEV_TIMER_ADAPTER)-include += rte_event_timer_adapter.h
+SYMLINK-$(CONFIG_RTE_LIBRTE_EVENTDEV_TIMER_ADAPTER)-include += rte_event_timer_adapter_pmd.h
 
 # versioning export map
 EXPORT_MAP := rte_eventdev_version.map
diff --git a/lib/librte_eventdev/rte_eventdev_pmd.h b/lib/librte_eventdev/rte_eventdev_pmd.h
index 321aef2..91e1f47 100644
--- a/lib/librte_eventdev/rte_eventdev_pmd.h
+++ b/lib/librte_eventdev/rte_eventdev_pmd.h
@@ -52,7 +52,9 @@ extern "C" {
 #include <rte_malloc.h>
 
 #include "rte_eventdev.h"
+#ifdef RTE_LIBRTE_EVENTDEV_TIMER_ADAPTER
 #include "rte_event_timer_adapter_pmd.h"
+#endif
 
 /* Logging Macros */
 #define RTE_EDEV_LOG_ERR(...) \
@@ -467,6 +469,7 @@ typedef int (*eventdev_eth_rx_adapter_caps_get_t)
 
 struct rte_event_eth_rx_adapter_queue_conf *queue_conf;
 
+#ifdef RTE_LIBRTE_EVENTDEV_TIMER_ADAPTER
 /**
  * Retrieve the event device's timer adapter capabilities, as well as the ops
  * structure that an event timer adapter should call through to enter the
@@ -497,6 +500,7 @@ typedef int (*eventdev_timer_adapter_caps_get_t)(
 				uint64_t flags,
 				uint32_t *caps,
 				const struct rte_event_timer_adapter_ops **ops);
+#endif
 
 /**
  * Add ethernet Rx queues to event device. This callback is invoked if
@@ -683,8 +687,10 @@ struct rte_eventdev_ops {
 	eventdev_eth_rx_adapter_stats_reset eth_rx_adapter_stats_reset;
 	/**< Reset ethernet Rx stats */
 
+#ifdef RTE_LIBRTE_EVENTDEV_TIMER_ADAPTER
 	eventdev_timer_adapter_caps_get_t timer_adapter_caps_get;
 	/**< Get timer adapter capabilities */
+#endif
 };
 
 /**
-- 
2.6.4