Re: BUG: Incorrect MTU on GRE device if remote is unspecified

2021-01-27 Thread Vadim Fedorenko
On 28.01.2021 01:38, Cong Wang wrote: On Wed, Jan 27, 2021 at 4:56 PM Jakub Kicinski wrote: On Mon, 25 Jan 2021 22:10:10 +0200 Slava Bacherikov wrote: Hi, I'd like to report a regression. Currently, if you create GRE interface on the latest stable or LTS kernel (5.4 branch) with unspecified r

Re: BUG: Incorrect MTU on GRE device if remote is unspecified

2021-01-27 Thread Cong Wang
On Wed, Jan 27, 2021 at 4:56 PM Jakub Kicinski wrote: > > On Mon, 25 Jan 2021 22:10:10 +0200 Slava Bacherikov wrote: > > Hi, I'd like to report a regression. Currently, if you create GRE > > interface on the latest stable or LTS kernel (5.4 branch) with > > unspecified remote destination it's MTU

Re: BUG: Incorrect MTU on GRE device if remote is unspecified

2021-01-27 Thread Jakub Kicinski
On Mon, 25 Jan 2021 22:10:10 +0200 Slava Bacherikov wrote: > Hi, I'd like to report a regression. Currently, if you create GRE > interface on the latest stable or LTS kernel (5.4 branch) with > unspecified remote destination it's MTU will be adjusted for header size > twice. For example: > > $ ip

BUG: Incorrect MTU on GRE device if remote is unspecified

2021-01-25 Thread Slava Bacherikov
Hi, I'd like to report a regression. Currently, if you create GRE interface on the latest stable or LTS kernel (5.4 branch) with unspecified remote destination it's MTU will be adjusted for header size twice. For example: $ ip link add name test type gre local 127.0.0.32 $ ip link show test | grep