[dpdk-stable] patch 'sched: fix releasing enqueued packets' has been queued to stable release 16.07.1
Yuanhan Liu
yuanhan.liu at linux.intel.com
Wed Oct 12 12:27:22 CEST 2016
Hi,
FYI, your patch has been queued to stable release 16.07.1
Note it hasn't been pushed to http://dpdk.org/browse/dpdk-stable
yet. It will be pushed if I get no objections before this Friday.
So please shutout if anyone has objections.
Thanks.
--yliu
---
>From 39bc45ed9424583d9250a9e98d95d7801f8bb7e2 Mon Sep 17 00:00:00 2001
From: Hiroyuki Mikita <h.mikita89 at gmail.com>
Date: Tue, 6 Sep 2016 00:15:14 +0900
Subject: [PATCH] sched: fix releasing enqueued packets
[ upstream commit 7b3c4f351708a4bf5d311266d9f8c32e5704701f ]
rte_sched_port_free should release only enqueued packets of all queues.
Previous behavior is that enqueued and already dequeued packets of
only first 4 queues are released.
Fixes: 61383240 ("sched: release enqueued mbufs when freeing port")
Signed-off-by: Hiroyuki Mikita <h.mikita89 at gmail.com>
Acked-by: Cristian Dumitrescu <cristian.dumitrescu at intel.com>
---
lib/librte_sched/rte_sched.c | 18 +++++++++++-------
1 file changed, 11 insertions(+), 7 deletions(-)
diff --git a/lib/librte_sched/rte_sched.c b/lib/librte_sched/rte_sched.c
index 8696423..e6dace2 100644
--- a/lib/librte_sched/rte_sched.c
+++ b/lib/librte_sched/rte_sched.c
@@ -734,19 +734,23 @@ rte_sched_port_config(struct rte_sched_port_params *params)
void
rte_sched_port_free(struct rte_sched_port *port)
{
- unsigned int queue;
+ uint32_t qindex;
+ uint32_t n_queues_per_port = rte_sched_port_queues_per_port(port);
/* Check user parameters */
if (port == NULL)
return;
/* Free enqueued mbufs */
- for (queue = 0; queue < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; queue++) {
- struct rte_mbuf **mbufs = rte_sched_port_qbase(port, queue);
- unsigned int i;
-
- for (i = 0; i < rte_sched_port_qsize(port, queue); i++)
- rte_pktmbuf_free(mbufs[i]);
+ for (qindex = 0; qindex < n_queues_per_port; qindex++) {
+ struct rte_mbuf **mbufs = rte_sched_port_qbase(port, qindex);
+ uint16_t qsize = rte_sched_port_qsize(port, qindex);
+ struct rte_sched_queue *queue = port->queue + qindex;
+ uint16_t qr = queue->qr & (qsize - 1);
+ uint16_t qw = queue->qw & (qsize - 1);
+
+ for (; qr != qw; qr = (qr + 1) & (qsize - 1))
+ rte_pktmbuf_free(mbufs[qr]);
}
rte_bitmap_free(port->bmp);
--
1.9.0
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