1 files changed, 0 insertions, 268 deletions
diff --git a/src/dpdk_lib18/librte_eal/linuxapp/eal/eal_alarm.c b/src/dpdk_lib18/librte_eal/linuxapp/eal/eal_alarm.c
deleted file mode 100755
index e8da32fc..00000000
--- a/src/dpdk_lib18/librte_eal/linuxapp/eal/eal_alarm.c
+++ /dev/null
@@ -1,268 +0,0 @@
-/*-
- *   BSD LICENSE
- *
- *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- *   All rights reserved.
- *
- *   Redistribution and use in source and binary forms, with or without
- *   modification, are permitted provided that the following conditions
- *   are met:
- *
- *     * Redistributions of source code must retain the above copyright
- *       notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above copyright
- *       notice, this list of conditions and the following disclaimer in
- *       the documentation and/or other materials provided with the
- *       distribution.
- *     * Neither the name of Intel Corporation nor the names of its
- *       contributors may be used to endorse or promote products derived
- *       from this software without specific prior written permission.
- *
- *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-#include <stdio.h>
-#include <stdint.h>
-#include <signal.h>
-#include <errno.h>
-#include <string.h>
-#include <sys/queue.h>
-#include <sys/time.h>
-#include <sys/timerfd.h>
-
-#include <rte_memory.h>
-#include <rte_memzone.h>
-#include <rte_interrupts.h>
-#include <rte_alarm.h>
-#include <rte_common.h>
-#include <rte_per_lcore.h>
-#include <rte_tailq.h>
-#include <rte_eal.h>
-#include <rte_launch.h>
-#include <rte_lcore.h>
-#include <rte_errno.h>
-#include <rte_malloc.h>
-#include <rte_spinlock.h>
-#include <eal_private.h>
-
-#ifndef	TFD_NONBLOCK
-#include <fcntl.h>
-#define	TFD_NONBLOCK	O_NONBLOCK
-#endif
-
-#define NS_PER_US 1000
-#define US_PER_MS 1000
-#define MS_PER_S 1000
-#define US_PER_S (US_PER_MS * MS_PER_S)
-
-struct alarm_entry {
-	LIST_ENTRY(alarm_entry) next;
-	struct timeval time;
-	rte_eal_alarm_callback cb_fn;
-	void *cb_arg;
-	volatile uint8_t executing;
-	volatile pthread_t executing_id;
-};
-
-static LIST_HEAD(alarm_list, alarm_entry) alarm_list = LIST_HEAD_INITIALIZER();
-static rte_spinlock_t alarm_list_lk = RTE_SPINLOCK_INITIALIZER;
-
-static struct rte_intr_handle intr_handle = {.fd = -1 };
-static int handler_registered = 0;
-static void eal_alarm_callback(struct rte_intr_handle *hdl, void *arg);
-
-int
-rte_eal_alarm_init(void)
-{
-	intr_handle.type = RTE_INTR_HANDLE_ALARM;
-	/* create a timerfd file descriptor */
-	intr_handle.fd = timerfd_create(CLOCK_MONOTONIC, TFD_NONBLOCK);
-	if (intr_handle.fd == -1)
-		goto error;
-
-	return 0;
-
-error:
-	rte_errno = errno;
-	return -1;
-}
-
-static void
-eal_alarm_callback(struct rte_intr_handle *hdl __rte_unused,
-		void *arg __rte_unused)
-{
-	struct timeval now;
-	struct alarm_entry *ap;
-
-	rte_spinlock_lock(&alarm_list_lk);
-	while ((ap = LIST_FIRST(&alarm_list)) !=NULL &&
-			gettimeofday(&now, NULL) == 0 &&
-			(ap->time.tv_sec < now.tv_sec || (ap->time.tv_sec == now.tv_sec &&
-						ap->time.tv_usec <= now.tv_usec))){
-		ap->executing = 1;
-		ap->executing_id = pthread_self();
-		rte_spinlock_unlock(&alarm_list_lk);
-
-		ap->cb_fn(ap->cb_arg);
-
-		rte_spinlock_lock(&alarm_list_lk);
-
-		LIST_REMOVE(ap, next);
-		rte_free(ap);
-	}
-
-	if (!LIST_EMPTY(&alarm_list)) {
-		struct itimerspec atime = { .it_interval = { 0, 0 } };
-
-		ap = LIST_FIRST(&alarm_list);
-		atime.it_value.tv_sec = ap->time.tv_sec;
-		atime.it_value.tv_nsec = ap->time.tv_usec * NS_PER_US;
-		/* perform borrow for subtraction if necessary */
-		if (now.tv_usec > ap->time.tv_usec)
-			atime.it_value.tv_sec--, atime.it_value.tv_nsec += US_PER_S * NS_PER_US;
-
-		atime.it_value.tv_sec -= now.tv_sec;
-		atime.it_value.tv_nsec -= now.tv_usec * NS_PER_US;
-		timerfd_settime(intr_handle.fd, 0, &atime, NULL);
-	}
-	rte_spinlock_unlock(&alarm_list_lk);
-}
-
-int
-rte_eal_alarm_set(uint64_t us, rte_eal_alarm_callback cb_fn, void *cb_arg)
-{
-	struct timeval now;
-	int ret = 0;
-	struct alarm_entry *ap, *new_alarm;
-
-	/* Check parameters, including that us won't cause a uint64_t overflow */
-	if (us < 1 || us > (UINT64_MAX - US_PER_S) || cb_fn == NULL)
-		return -EINVAL;
-
-	new_alarm = rte_zmalloc(NULL, sizeof(*new_alarm), 0);
-	if (new_alarm == NULL)
-		return -ENOMEM;
-
-	/* use current time to calculate absolute time of alarm */
-	gettimeofday(&now, NULL);
-
-	new_alarm->cb_fn = cb_fn;
-	new_alarm->cb_arg = cb_arg;
-	new_alarm->time.tv_usec = (now.tv_usec + us) % US_PER_S;
-	new_alarm->time.tv_sec = now.tv_sec + ((now.tv_usec + us) / US_PER_S);
-
-	rte_spinlock_lock(&alarm_list_lk);
-	if (!handler_registered) {
-		ret |= rte_intr_callback_register(&intr_handle,
-				eal_alarm_callback, NULL);
-		handler_registered = (ret == 0) ? 1 : 0;
-	}
-
-	if (LIST_EMPTY(&alarm_list))
-		LIST_INSERT_HEAD(&alarm_list, new_alarm, next);
-	else {
-		LIST_FOREACH(ap, &alarm_list, next) {
-			if (ap->time.tv_sec > new_alarm->time.tv_sec ||
-					(ap->time.tv_sec == new_alarm->time.tv_sec &&
-							ap->time.tv_usec > new_alarm->time.tv_usec)){
-				LIST_INSERT_BEFORE(ap, new_alarm, next);
-				break;
-			}
-			if (LIST_NEXT(ap, next) == NULL) {
-				LIST_INSERT_AFTER(ap, new_alarm, next);
-				break;
-			}
-		}
-	}
-
-	if (LIST_FIRST(&alarm_list) == new_alarm) {
-		struct itimerspec alarm_time = {
-			.it_interval = {0, 0},
-			.it_value = {
-				.tv_sec = us / US_PER_S,
-				.tv_nsec = (us % US_PER_S) * NS_PER_US,
-			},
-		};
-		ret |= timerfd_settime(intr_handle.fd, 0, &alarm_time, NULL);
-	}
-	rte_spinlock_unlock(&alarm_list_lk);
-
-	return ret;
-}
-
-int
-rte_eal_alarm_cancel(rte_eal_alarm_callback cb_fn, void *cb_arg)
-{
-	struct alarm_entry *ap, *ap_prev;
-	int count = 0;
-	int err = 0;
-	int executing;
-
-	if (!cb_fn) {
-		rte_errno = EINVAL;
-		return -1;
-	}
-
-	do {
-		executing = 0;
-		rte_spinlock_lock(&alarm_list_lk);
-		/* remove any matches at the start of the list */
-		while ((ap = LIST_FIRST(&alarm_list)) != NULL &&
-				cb_fn == ap->cb_fn &&
-				(cb_arg == (void *)-1 || cb_arg == ap->cb_arg)) {
-
-			if (ap->executing == 0) {
-				LIST_REMOVE(ap, next);
-				rte_free(ap);
-				count++;
-			} else {
-				/* If calling from other context, mark that alarm is executing
-				 * so loop can spin till it finish. Otherwise we are trying to
-				 * cancel our self - mark it by EINPROGRESS */
-				if (pthread_equal(ap->executing_id, pthread_self()) == 0)
-					executing++;
-				else
-					err = EINPROGRESS;
-
-				break;
-			}
-		}
-		ap_prev = ap;
-
-		/* now go through list, removing entries not at start */
-		LIST_FOREACH(ap, &alarm_list, next) {
-			/* this won't be true first time through */
-			if (cb_fn == ap->cb_fn &&
-					(cb_arg == (void *)-1 || cb_arg == ap->cb_arg)) {
-
-				if (ap->executing == 0) {
-					LIST_REMOVE(ap, next);
-					rte_free(ap);
-					count++;
-					ap = ap_prev;
-				} else if (pthread_equal(ap->executing_id, pthread_self()) == 0)
-					executing++;
-				else
-					err = EINPROGRESS;
-			}
-			ap_prev = ap;
-		}
-		rte_spinlock_unlock(&alarm_list_lk);
-	} while (executing != 0);
-
-	if (count == 0 && err == 0)
-		rte_errno = ENOENT;
-	else if (err)
-		rte_errno = err;
-
-	return count;
-}