[v3,06/16] api: buffer: Removed odp_buffer_type

diff --git a/platform/linux-generic/include/api/odp_buffer.h b/platform/linux-generic/include/api/odp_buffer.h
index 20036f9..2f18aa9 100644
--- a/platform/linux-generic/include/api/odp_buffer.h
+++ b/platform/linux-generic/include/api/odp_buffer.h
@@ -70,21 +70,6 @@  void *odp_buffer_addr(odp_buffer_t buf);
 uint32_t odp_buffer_size(odp_buffer_t buf);
 
 /**
- * Buffer type
- *
- * @param buf      Buffer handle
- *
- * @return Buffer type
- */
-int odp_buffer_type(odp_buffer_t buf);
-
-#define ODP_BUFFER_TYPE_INVALID   ODP_EVENT_TYPE_INVALID
-#define ODP_BUFFER_TYPE_ANY       0
-#define ODP_BUFFER_TYPE_RAW       ODP_EVENT_BUFFER
-#define ODP_BUFFER_TYPE_PACKET    ODP_EVENT_PACKET
-#define ODP_BUFFER_TYPE_TIMEOUT   ODP_EVENT_TIMEOUT
-
-/**
  * Tests if buffer is valid
  *
  * @param buf      Buffer handle
diff --git a/platform/linux-generic/include/api/odp_buffer_pool.h b/platform/linux-generic/include/api/odp_buffer_pool.h
index 8380ac1..5c771f4 100644
--- a/platform/linux-generic/include/api/odp_buffer_pool.h
+++ b/platform/linux-generic/include/api/odp_buffer_pool.h
@@ -23,6 +23,7 @@  extern "C" {
 #include <odp_std_types.h>
 #include <odp_platform_types.h>
 #include <odp_buffer.h>
+#include <odp_event.h>
 
 /** @addtogroup odp_buffer
  *  Operations on a buffer pool.
@@ -51,6 +52,10 @@  typedef struct odp_buffer_pool_param_t {
 	int      buf_type;  /**< Buffer type */
 } odp_buffer_pool_param_t;
 
+#define ODP_BUFFER_TYPE_RAW     ODP_EVENT_BUFFER
+#define ODP_BUFFER_TYPE_PACKET  ODP_EVENT_PACKET
+#define ODP_BUFFER_TYPE_TIMEOUT ODP_EVENT_TIMEOUT
+
 /**
  * Create a buffer pool
  * This routine is used to create a buffer pool. It take three
diff --git a/platform/linux-generic/include/odp_buffer_internal.h b/platform/linux-generic/include/odp_buffer_internal.h
index 39b0b05..9b2c810 100644
--- a/platform/linux-generic/include/odp_buffer_internal.h
+++ b/platform/linux-generic/include/odp_buffer_internal.h
@@ -153,6 +153,19 @@  typedef struct {
 /* Forward declarations */
 odp_buffer_t buffer_alloc(odp_buffer_pool_t pool, size_t size);
 
+
+/*
+ * Buffer type
+ *
+ * @param buf      Buffer handle
+ *
+ * @return Buffer type
+ */
+int _odp_buffer_type(odp_buffer_t buf);
+
+#define _ODP_BUFFER_TYPE_ANY     0
+
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/platform/linux-generic/odp_buffer.c b/platform/linux-generic/odp_buffer.c
index 939332a..e657e00 100644
--- a/platform/linux-generic/odp_buffer.c
+++ b/platform/linux-generic/odp_buffer.c
@@ -40,7 +40,7 @@  uint32_t odp_buffer_size(odp_buffer_t buf)
 }
 
 
-int odp_buffer_type(odp_buffer_t buf)
+int _odp_buffer_type(odp_buffer_t buf)
 {
 	odp_buffer_hdr_t *hdr = odp_buf_to_hdr(buf);
 
diff --git a/platform/linux-generic/odp_buffer_pool.c b/platform/linux-generic/odp_buffer_pool.c
index eedb380..202d1c7 100644
--- a/platform/linux-generic/odp_buffer_pool.c
+++ b/platform/linux-generic/odp_buffer_pool.c
@@ -160,7 +160,7 @@  odp_buffer_pool_t odp_buffer_pool_create(const char *name,
 		break;
 
 	case ODP_BUFFER_TYPE_PACKET:
-	case ODP_BUFFER_TYPE_ANY:
+	case _ODP_BUFFER_TYPE_ANY:
 		headroom = ODP_CONFIG_PACKET_HEADROOM;
 		tailroom = ODP_CONFIG_PACKET_TAILROOM;
 		unsegmented = params->buf_size > ODP_CONFIG_PACKET_BUF_LEN_MAX;
@@ -561,7 +561,7 @@  void odp_buffer_pool_print(odp_buffer_pool_t pool_hdl)
 		pool->s.params.buf_type == ODP_BUFFER_TYPE_RAW ? "raw" :
 	       (pool->s.params.buf_type == ODP_BUFFER_TYPE_PACKET ? "packet" :
 	       (pool->s.params.buf_type == ODP_BUFFER_TYPE_TIMEOUT ? "timeout" :
-	       (pool->s.params.buf_type == ODP_BUFFER_TYPE_ANY ? "any" :
+	       (pool->s.params.buf_type == _ODP_BUFFER_TYPE_ANY ? "any" :
 		"unknown"))));
 	ODP_DBG(" pool storage    %sODP managed\n",
 		pool->s.flags.user_supplied_shm ?
diff --git a/platform/linux-generic/odp_event.c b/platform/linux-generic/odp_event.c
index c646f42..285a19b 100644
--- a/platform/linux-generic/odp_event.c
+++ b/platform/linux-generic/odp_event.c
@@ -6,6 +6,8 @@ 
 
 #include <odp_event.h>
 #include <odp_buffer.h>
+#include <odp_buffer_pool.h>
+#include <odp_buffer_internal.h>
 
 int odp_event_type(odp_event_t event)
 {
@@ -13,7 +15,7 @@  int odp_event_type(odp_event_t event)
 
 	buf = odp_buffer_from_event(event);
 
-	switch (odp_buffer_type(buf)) {
+	switch (_odp_buffer_type(buf)) {
 	case ODP_BUFFER_TYPE_RAW:
 		return ODP_EVENT_BUFFER;
 	case ODP_BUFFER_TYPE_PACKET:
diff --git a/platform/linux-generic/odp_timer.c b/platform/linux-generic/odp_timer.c
index 029e8c2..9233226 100644
--- a/platform/linux-generic/odp_timer.c
+++ b/platform/linux-generic/odp_timer.c
@@ -557,7 +557,7 @@  static unsigned timer_expire(odp_timer_pool *tp, uint32_t idx, uint64_t tick)
 #endif
 	if (odp_likely(tmo_buf != ODP_BUFFER_INVALID)) {
 		/* Fill in metadata fields in system timeout buffer */
-		if (odp_buffer_type(tmo_buf) == ODP_BUFFER_TYPE_TIMEOUT) {
+		if (_odp_buffer_type(tmo_buf) == ODP_BUFFER_TYPE_TIMEOUT) {
 			/* Convert from buffer to timeout hdr */
 			odp_timeout_hdr_t *tmo_hdr =
 				timeout_hdr_from_buf(tmo_buf);
@@ -799,7 +799,7 @@  int odp_timer_cancel(odp_timer_t hdl, odp_buffer_t *tmo_buf)
 odp_timeout_t odp_timeout_from_buf(odp_buffer_t buf)
 {
 	/* This check not mandated by the API specification */
-	if (odp_buffer_type(buf) != ODP_BUFFER_TYPE_TIMEOUT)
+	if (_odp_buffer_type(buf) != ODP_BUFFER_TYPE_TIMEOUT)
 		ODP_ABORT("Buffer not a timeout");
 	return (odp_timeout_t)timeout_hdr_from_buf(buf);
 }
diff --git a/test/validation/buffer/odp_buffer_pool_test.c b/test/validation/buffer/odp_buffer_pool_test.c
index 6f5eaf7..e9e07e3 100644
--- a/test/validation/buffer/odp_buffer_pool_test.c
+++ b/test/validation/buffer/odp_buffer_pool_test.c
@@ -53,11 +53,6 @@  static void pool_create_destroy_timeout(void)
 	pool_create_destroy_type(ODP_BUFFER_TYPE_TIMEOUT);
 }
 
-static void pool_create_destroy_any(void)
-{
-	pool_create_destroy_type(ODP_BUFFER_TYPE_ANY);
-}
-
 static void pool_create_destroy_raw_shm(void)
 {
 	odp_buffer_pool_t pool;
@@ -113,64 +108,95 @@  static void pool_lookup_info_print(void)
 	CU_ASSERT(odp_buffer_pool_destroy(pool) == 0);
 }
 
-static void pool_alloc_buffer_type(int type)
+static void pool_alloc_type(int type)
 {
 	odp_buffer_pool_t pool;
-	const int buf_num = 3;
-	const size_t buf_size = 1500;
-	odp_buffer_t buffer[buf_num];
-	int buf_index;
+	const int num = 3;
+	const size_t size = 1500;
+	odp_buffer_t buffer[num];
+	odp_packet_t packet[num];
+	odp_event_t ev;
+	int index;
 	char wrong_type = 0, wrong_size = 0;
 
-	pool = pool_create(buf_num, buf_size, type);
+	pool = pool_create(num, size, type);
 	odp_buffer_pool_print(pool);
 
-	/* Try to allocate buf_num buffers from the pool */
-	for (buf_index = 0; buf_index < buf_num; buf_index++) {
-		buffer[buf_index] = odp_buffer_alloc(pool);
-		if (buffer[buf_index] == ODP_BUFFER_INVALID)
+	/* Try to allocate num items from the pool */
+	for (index = 0; index < num; index++) {
+		switch (type) {
+		case ODP_BUFFER_TYPE_RAW:
+		case ODP_BUFFER_TYPE_TIMEOUT:
+			buffer[index] = odp_buffer_alloc(pool);
+
+			if (buffer[index] == ODP_BUFFER_INVALID)
+				break;
+
+			ev = odp_buffer_to_event(buffer[index]);
+			if (odp_event_type(ev) != ODP_EVENT_BUFFER)
+				wrong_type = 1;
+			if (odp_buffer_size(buffer[index]) < size)
+				wrong_size = 1;
+			if (wrong_type || wrong_size)
+				odp_buffer_print(buffer[index]);
+			break;
+
+		case ODP_BUFFER_TYPE_PACKET:
+			packet[index] = odp_packet_alloc(pool, size);
+
+			if (packet[index] == ODP_PACKET_INVALID)
+				break;
+
+			ev = odp_packet_to_event(packet[index]);
+			if (odp_event_type(ev) != ODP_EVENT_PACKET)
+				wrong_type = 1;
 			break;
-		if (odp_buffer_type(buffer[buf_index]) != type)
-			wrong_type = 1;
-		if (odp_buffer_size(buffer[buf_index]) < buf_size)
-			wrong_size = 1;
-		if (wrong_type || wrong_size)
-			odp_buffer_print(buffer[buf_index]);
+
+		default:
+			break;
+		}
+
 	}
 
-	/* Check that the pool had at least buf_num buffers */
-	CU_ASSERT(buf_index == buf_num);
-	/* buf_index points out of buffer[] or it point to an invalid buffer */
-	buf_index--;
+	/* Check that the pool had at least num items */
+	CU_ASSERT(index == num);
+	/* index points out of buffer[] or it point to an invalid buffer */
+	index--;
 
 	/* Check that the pool had correct buffers */
 	CU_ASSERT(wrong_type == 0);
 	CU_ASSERT(wrong_size == 0);
 
-	for (; buf_index >= 0; buf_index--)
-		odp_buffer_free(buffer[buf_index]);
+	switch (type) {
+	case ODP_BUFFER_TYPE_RAW:
+	case ODP_BUFFER_TYPE_TIMEOUT:
+		for (; index >= 0; index--)
+			odp_buffer_free(buffer[index]);
+		break;
+	case ODP_BUFFER_TYPE_PACKET:
+		for (; index >= 0; index--)
+			odp_packet_free(packet[index]);
+		break;
+	default:
+		break;
+	}
 
 	CU_ASSERT(odp_buffer_pool_destroy(pool) == 0);
 }
 
 static void pool_alloc_buffer_raw(void)
 {
-	pool_alloc_buffer_type(ODP_BUFFER_TYPE_RAW);
+	pool_alloc_type(ODP_BUFFER_TYPE_RAW);
 }
 
 static void pool_alloc_buffer_packet(void)
 {
-	pool_alloc_buffer_type(ODP_BUFFER_TYPE_PACKET);
+	pool_alloc_type(ODP_BUFFER_TYPE_PACKET);
 }
 
 static void pool_alloc_buffer_timeout(void)
 {
-	pool_alloc_buffer_type(ODP_BUFFER_TYPE_TIMEOUT);
-}
-
-static void pool_alloc_buffer_any(void)
-{
-	pool_alloc_buffer_type(ODP_BUFFER_TYPE_ANY);
+	pool_alloc_type(ODP_BUFFER_TYPE_TIMEOUT);
 }
 
 static void pool_free_buffer(void)
@@ -200,13 +226,11 @@  CU_TestInfo buffer_pool_tests[] = {
 	_CU_TEST_INFO(pool_create_destroy_raw),
 	_CU_TEST_INFO(pool_create_destroy_packet),
 	_CU_TEST_INFO(pool_create_destroy_timeout),
-	_CU_TEST_INFO(pool_create_destroy_any),
 	_CU_TEST_INFO(pool_create_destroy_raw_shm),
 	_CU_TEST_INFO(pool_lookup_info_print),
 	_CU_TEST_INFO(pool_alloc_buffer_raw),
 	_CU_TEST_INFO(pool_alloc_buffer_packet),
 	_CU_TEST_INFO(pool_alloc_buffer_timeout),
-	_CU_TEST_INFO(pool_alloc_buffer_any),
 	_CU_TEST_INFO(pool_free_buffer),
 	CU_TEST_INFO_NULL,
 };
diff --git a/test/validation/buffer/odp_buffer_test.c b/test/validation/buffer/odp_buffer_test.c
index 219a9ef..9fd5bb8 100644
--- a/test/validation/buffer/odp_buffer_test.c
+++ b/test/validation/buffer/odp_buffer_test.c
@@ -38,9 +38,11 @@  int buffer_testsuite_finalize(void)
 
 static void buffer_management_basic(void)
 {
+	odp_event_t ev = odp_buffer_to_event(raw_buffer);
+
 	CU_ASSERT(odp_buffer_is_valid(raw_buffer) == 1);
 	CU_ASSERT(odp_buffer_pool(raw_buffer) != ODP_BUFFER_POOL_INVALID);
-	CU_ASSERT(odp_buffer_type(raw_buffer) == ODP_BUFFER_TYPE_RAW);
+	CU_ASSERT(odp_event_type(ev) == ODP_EVENT_BUFFER);
 	CU_ASSERT(odp_buffer_size(raw_buffer) >= raw_buffer_size);
 	CU_ASSERT(odp_buffer_addr(raw_buffer) != NULL);
 	odp_buffer_print(raw_buffer);
diff --git a/test/validation/buffer/odp_packet_test.c b/test/validation/buffer/odp_packet_test.c
index d073b49..63caec6 100644
--- a/test/validation/buffer/odp_packet_test.c
+++ b/test/validation/buffer/odp_packet_test.c
@@ -85,18 +85,17 @@  static void packet_alloc_segmented(void)
 	odp_packet_free(pkt);
 }
 
-static void packet_buffer_conversion(void)
+static void packet_event_conversion(void)
 {
 	odp_packet_t pkt = test_packet;
 	odp_packet_t tmp_pkt;
-	odp_buffer_t buf;
+	odp_event_t ev;
 
-	buf = odp_packet_to_buffer(pkt);
-	CU_ASSERT_FATAL(buf != ODP_BUFFER_INVALID);
-	CU_ASSERT(odp_buffer_type(buf) == ODP_BUFFER_TYPE_PACKET);
-	CU_ASSERT(odp_buffer_size(buf) == odp_packet_buf_len(pkt));
+	ev = odp_packet_to_event(pkt);
+	CU_ASSERT_FATAL(ev != ODP_EVENT_INVALID);
+	CU_ASSERT(odp_event_type(ev) == ODP_EVENT_PACKET);
 
-	tmp_pkt = odp_packet_from_buffer(buf);
+	tmp_pkt = odp_packet_from_event(ev);
 	CU_ASSERT_FATAL(tmp_pkt != ODP_PACKET_INVALID);
 	/** @todo: Need an API to compare packets */
 }
@@ -653,7 +652,7 @@  CU_TestInfo packet_tests[] = {
 	_CU_TEST_INFO(packet_headroom),
 	_CU_TEST_INFO(packet_tailroom),
 	_CU_TEST_INFO(packet_context),
-	_CU_TEST_INFO(packet_buffer_conversion),
+	_CU_TEST_INFO(packet_event_conversion),
 	_CU_TEST_INFO(packet_layer_offsets),
 	_CU_TEST_INFO(packet_segments),
 	_CU_TEST_INFO(packet_segment_last),
diff --git a/test/validation/odp_pktio.c b/test/validation/odp_pktio.c
index b1eb61e..2e7b50b 100644
--- a/test/validation/odp_pktio.c
+++ b/test/validation/odp_pktio.c
@@ -244,7 +244,7 @@  static int create_inq(odp_pktio_t pktio)
 	return odp_pktio_inq_setdef(pktio, inq_def);
 }
 
-static odp_buffer_t queue_deq_wait_time(odp_queue_t queue, uint64_t ns)
+static odp_event_t queue_deq_wait_time(odp_queue_t queue, uint64_t ns)
 {
 	uint64_t start, now, diff;
 	odp_event_t ev;
@@ -254,12 +254,12 @@  static odp_buffer_t queue_deq_wait_time(odp_queue_t queue, uint64_t ns)
 	do {
 		ev = odp_queue_deq(queue);
 		if (ev != ODP_EVENT_INVALID)
-			return odp_buffer_from_event(ev);
+			return ev;
 		now = odp_time_cycles();
 		diff = odp_time_diff_cycles(start, now);
 	} while (odp_time_cycles_to_ns(diff) < ns);
 
-	return ODP_BUFFER_INVALID;
+	return ODP_EVENT_INVALID;
 }
 
 static odp_packet_t wait_for_packet(odp_queue_t queue,
@@ -267,22 +267,20 @@  static odp_packet_t wait_for_packet(odp_queue_t queue,
 {
 	uint64_t start, now, diff;
 	odp_event_t ev;
-	odp_buffer_t buf;
 	odp_packet_t pkt = ODP_PACKET_INVALID;
 
 	start = odp_time_cycles();
 
 	do {
 		if (queue != ODP_QUEUE_INVALID) {
-			buf = queue_deq_wait_time(queue, ns);
+			ev = queue_deq_wait_time(queue, ns);
 		} else {
 			ev  = odp_schedule(NULL, ns);
-			buf = odp_buffer_from_event(ev);
 		}
 
-		if (buf != ODP_BUFFER_INVALID &&
-		    odp_buffer_type(buf) == ODP_BUFFER_TYPE_PACKET) {
-			pkt = odp_packet_from_buffer(buf);
+		if (ev != ODP_EVENT_INVALID &&
+		    odp_event_type(ev) == ODP_EVENT_PACKET) {
+			pkt = odp_packet_from_event(ev);
 			if (pktio_pkt_seq(pkt) == seq)
 				return pkt;
 		}
diff --git a/test/validation/odp_timer.c b/test/validation/odp_timer.c
index eca7e7f..adc1554 100644
--- a/test/validation/odp_timer.c
+++ b/test/validation/odp_timer.c
@@ -49,7 +49,7 @@  static void handle_tmo(odp_buffer_t buf, bool stale, uint64_t prev_tick)
 {
 	/* Use assert() for internal correctness checks of test program */
 	assert(buf != ODP_BUFFER_INVALID);
-	if (odp_buffer_type(buf) != ODP_BUFFER_TYPE_TIMEOUT) {
+	if (odp_event_type(odp_buffer_to_event(buf)) != ODP_EVENT_TIMEOUT) {
 		/* Not a timeout buffer */
 		CU_FAIL("Unexpected buffer type received");
 		return;