Re: [PATCH v2] vti4: Fix a ipip packet processing bug in 'IPCOMP' virtual tunnel

2019-01-10 Thread Steffen Klassert
On Sun, Jan 06, 2019 at 09:31:20PM -0500, Su Yanjun wrote: > Recently we run a network test over ipcomp virtual tunnel.We find that > if a ipv4 packet needs fragment, then the peer can't receive > it. > > We deep into the code and find that when packet need fragment the smaller > fragment will be

[PATCH v2] vti4: Fix a ipip packet processing bug in 'IPCOMP' virtual tunnel

2019-01-06 Thread Su Yanjun
Recently we run a network test over ipcomp virtual tunnel.We find that if a ipv4 packet needs fragment, then the peer can't receive it. We deep into the code and find that when packet need fragment the smaller fragment will be encapsulated by ipip not ipcomp. So when the ipip packet goes into xfrm