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* [dpdk-dev] [PATCH] net/ixgbe: slove mbuf leak
@ 2021-08-31  3:28 Qiming Chen
  2021-08-31  6:04 ` Wang, Haiyue
                   ` (2 more replies)
  0 siblings, 3 replies; 12+ messages in thread
From: Qiming Chen @ 2021-08-31  3:28 UTC (permalink / raw)
  To: dev; +Cc: haiyue.wang, Qiming Chen

A local test found that repeated port start and stop operations during
the continuous SSE vector bufflist receiving process will cause the mbuf
resource to run out. The final positioning is when the port is stopped,
the mbuf of the pkt_first_seg pointer is not released. Resources leak.
The patch scheme is to judge whether the pointer is empty when the port
is stopped, and release the corresponding mbuf if it is not empty.

Signed-off-by: Qiming Chen <chenqiming_huawei@163.com>
---
 drivers/net/ixgbe/ixgbe_rxtx.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/net/ixgbe/ixgbe_rxtx.c b/drivers/net/ixgbe/ixgbe_rxtx.c
index c814a28cb4..bfdfd5e755 100644
--- a/drivers/net/ixgbe/ixgbe_rxtx.c
+++ b/drivers/net/ixgbe/ixgbe_rxtx.c
@@ -2981,6 +2981,10 @@ ixgbe_reset_rx_queue(struct ixgbe_adapter *adapter, struct ixgbe_rx_queue *rxq)
 	rxq->rx_free_trigger = (uint16_t)(rxq->rx_free_thresh - 1);
 	rxq->rx_tail = 0;
 	rxq->nb_rx_hold = 0;
+
+	if (rxq->pkt_first_seg != NULL)
+		rte_pktmbuf_free(rxq->pkt_first_seg);
+
 	rxq->pkt_first_seg = NULL;
 	rxq->pkt_last_seg = NULL;
 
-- 
2.30.1.windows.1


^ permalink raw reply	[flat|nested] 12+ messages in thread

end of thread, other threads:[~2021-09-06  1:45 UTC | newest]

Thread overview: 12+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-08-31  3:28 [dpdk-dev] [PATCH] net/ixgbe: slove mbuf leak Qiming Chen
2021-08-31  6:04 ` Wang, Haiyue
2021-08-31  6:40   ` Qiming Chen
2021-08-31  6:51     ` Wang, Haiyue
2021-08-31  8:03 ` [dpdk-dev] [PATCH v2] net/ixgbe: fix " Qiming Chen
2021-08-31  8:06 ` Qiming Chen
2021-08-31 10:00   ` Kevin Traynor
2021-09-01  1:50     ` Qiming Chen
2021-09-01  3:17       ` Wang, Haiyue
2021-09-01  7:22   ` [dpdk-dev] [PATCH v3] " Qiming Chen
2021-09-06  1:22     ` Wang, Haiyue
2021-09-06  1:45       ` Zhang, Qi Z

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