RE: [net-next 2/2] ifb: add device MTU validation check

2017-09-21 Thread 张胜举
> -Original Message- > From: Stephen Hemminger [mailto:step...@networkplumber.org] > Sent: 2017年9月21日 23:10 > To: Zhang Shengju > Cc: da...@davemloft.net; will...@google.com; netdev@vger.kernel.org > Subject: Re: [net-next 2/2] ifb: add device MTU validation check >

Re: [net-next 2/2] ifb: add device MTU validation check

2017-09-21 Thread Stephen Hemminger
On Thu, 21 Sep 2017 21:32:02 +0800 Zhang Shengju wrote: > Currently, any mtu value can be assigned when adding a new ifb device: > [~]# ip link add name ifb2 mtu 10 type ifb > [~]# ip link show ifb2 > 18: ifb2: mtu 10 qdisc noop state DOWN mode DEFAULT > group default qlen 32 > link

[net-next 2/2] ifb: add device MTU validation check

2017-09-21 Thread Zhang Shengju
Currently, any mtu value can be assigned when adding a new ifb device: [~]# ip link add name ifb2 mtu 10 type ifb [~]# ip link show ifb2 18: ifb2: mtu 10 qdisc noop state DOWN mode DEFAULT group default qlen 32 link/ether 7a:bf:f4:63:da:d1 brd ff:ff:ff:ff:ff:ff This patch adds device