From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yang Yingliang Subject: [PATCH] pkt_sched: rate overflow fix Date: Tue, 2 Jul 2013 18:39:54 +0800 Message-ID: <51D2ADFA.1090208@huawei.com> Mime-Version: 1.0 Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit Cc: David Howells , "David S. Miller" , , To: "Paul E. McKenney" , Return-path: Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org Use bonding to aggregate two 82599 nics which have 4 ports and max rate is 40gbit. Then set rate to 35gbit, the rate is overflow. tc qdisc add dev $bond root handle 1: \ tbf latency 50ms burst 35mb rate 35gbit mtu 64k tc qdisc show dev $bond qdisc tbf 1: root refcnt 2 rate 640262Kbit burst 35Mb lat 50.0ms iperf -c host -t 30 -i 10 [ ID] Interval Transfer Bandwidth [ 3] 0.0-10.0 sec 764 MBytes 641 Mbits/sec [ 3] 10.0-20.0 sec 730 MBytes 612 Mbits/sec Signed-off-by: Yang Yingliang --- include/uapi/linux/pkt_sched.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/uapi/linux/pkt_sched.h b/include/uapi/linux/pkt_sched.h index 32aef0a..261042c 100644 --- a/include/uapi/linux/pkt_sched.h +++ b/include/uapi/linux/pkt_sched.h @@ -79,7 +79,7 @@ struct tc_ratespec { unsigned short overhead; short cell_align; unsigned short mpu; - __u32 rate; + __u64 rate; }; #define TC_RTAB_SIZE 1024 -- 1.7.12