diff mbox

[net-next,10/11] r8152: avoid rx queue more than 1000 packets

Message ID 1394712342-15778-270-Taiwan-albertk@realtek.com
State Accepted, archived
Delegated to: David Miller
Headers show

Commit Message

Hayes Wang June 9, 2017, 9:11 a.m. UTC 
Stop queuing rx packets if it is more than 1000.

Signed-off-by: Hayes Wang <hayeswang@realtek.com>
---
 drivers/net/usb/r8152.c | 4 ++++
 1 file changed, 4 insertions(+)
diff mbox

Patch

diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index 204f4b2..fa29583 100644
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -1813,6 +1813,10 @@  static int rx_bottom(struct r8152 *tp, int budget)
 			unsigned int pkt_len;
 			struct sk_buff *skb;
 
+			/* limite the skb numbers for rx_queue */
+			if (unlikely(skb_queue_len(&tp->rx_queue) >= 1000))
+				break;
+
 			pkt_len = le32_to_cpu(rx_desc->opts1) & RX_LEN_MASK;
 			if (pkt_len < ETH_ZLEN)
 				break;