Re: UDP implementation and the MSG_MORE flag

2021-01-28 Thread Oliver Graute
On 27/01/21, Willem de Bruijn wrote: > On Wed, Jan 27, 2021 at 9:53 PM Willem de Bruijn > wrote: > > > > On Tue, Jan 26, 2021 at 10:25 PM Willem de Bruijn > > wrote: > > > > > > On Tue, Jan 26, 2021 at 5:00 PM Willem de Bruijn > > > wrote: > > > > > > > > On Tue, Jan 26, 2021 at 4:54 PM Willem d

Re: UDP implementation and the MSG_MORE flag

2021-01-27 Thread Willem de Bruijn
On Wed, Jan 27, 2021 at 9:53 PM Willem de Bruijn wrote: > > On Tue, Jan 26, 2021 at 10:25 PM Willem de Bruijn > wrote: > > > > On Tue, Jan 26, 2021 at 5:00 PM Willem de Bruijn > > wrote: > > > > > > On Tue, Jan 26, 2021 at 4:54 PM Willem de Bruijn > > > wrote: > > > > > > > > On Tue, Jan 26, 20

Re: UDP implementation and the MSG_MORE flag

2021-01-27 Thread Willem de Bruijn
On Tue, Jan 26, 2021 at 10:25 PM Willem de Bruijn wrote: > > On Tue, Jan 26, 2021 at 5:00 PM Willem de Bruijn > wrote: > > > > On Tue, Jan 26, 2021 at 4:54 PM Willem de Bruijn > > wrote: > > > > > > On Tue, Jan 26, 2021 at 9:58 AM Oliver Graute > > > wrote: > > > > > > > > Hello, > > > > > > >

Re: UDP implementation and the MSG_MORE flag

2021-01-27 Thread Willem de Bruijn
On Tue, Jan 26, 2021 at 4:54 PM Willem de Bruijn wrote: > > On Tue, Jan 26, 2021 at 9:58 AM Oliver Graute wrote: > > > > Hello, > > > > we observe some unexpected behavior in the UDP implementation of the > > linux kernel. > > > > Some UDP packets send via the loopback interface are dropped in th

Re: UDP implementation and the MSG_MORE flag

2021-01-27 Thread Willem de Bruijn
On Tue, Jan 26, 2021 at 9:58 AM Oliver Graute wrote: > > Hello, > > we observe some unexpected behavior in the UDP implementation of the > linux kernel. > > Some UDP packets send via the loopback interface are dropped in the > kernel on the receive side when using sendto with the MSG_MORE flag. >

Re: UDP implementation and the MSG_MORE flag

2021-01-26 Thread Willem de Bruijn
On Tue, Jan 26, 2021 at 5:00 PM Willem de Bruijn wrote: > > On Tue, Jan 26, 2021 at 4:54 PM Willem de Bruijn > wrote: > > > > On Tue, Jan 26, 2021 at 9:58 AM Oliver Graute > > wrote: > > > > > > Hello, > > > > > > we observe some unexpected behavior in the UDP implementation of the > > > linux