Re: [PATCH v3 bpf-next 3/8] veth: Avoid drops by oversized packets when XDP is enabled

2018-07-24 Thread Toshiaki Makita
On 2018/07/25 4:10, Jakub Kicinski wrote: > On Tue, 24 Jul 2018 18:39:09 +0900, Toshiaki Makita wrote: >> On 2018/07/24 10:56, Toshiaki Makita wrote: >>> On 2018/07/24 9:27, Jakub Kicinski wrote: On Mon, 23 Jul 2018 00:13:03 +0900, Toshiaki Makita wrote: > From: Toshiaki Makita >

Re: [PATCH v3 bpf-next 3/8] veth: Avoid drops by oversized packets when XDP is enabled

2018-07-24 Thread Jakub Kicinski
On Tue, 24 Jul 2018 18:39:09 +0900, Toshiaki Makita wrote: > On 2018/07/24 10:56, Toshiaki Makita wrote: > > On 2018/07/24 9:27, Jakub Kicinski wrote: > >> On Mon, 23 Jul 2018 00:13:03 +0900, Toshiaki Makita wrote: > >>> From: Toshiaki Makita > >>> > >>> All oversized packets including GSO pac

Re: [PATCH v3 bpf-next 3/8] veth: Avoid drops by oversized packets when XDP is enabled

2018-07-24 Thread Toshiaki Makita
On 2018/07/24 10:56, Toshiaki Makita wrote: > On 2018/07/24 9:27, Jakub Kicinski wrote: >> On Mon, 23 Jul 2018 00:13:03 +0900, Toshiaki Makita wrote: >>> From: Toshiaki Makita >>> >>> All oversized packets including GSO packets are dropped if XDP is >>> enabled on receiver side, so don't send such

Re: [PATCH v3 bpf-next 3/8] veth: Avoid drops by oversized packets when XDP is enabled

2018-07-23 Thread Toshiaki Makita
On 2018/07/24 9:27, Jakub Kicinski wrote: > On Mon, 23 Jul 2018 00:13:03 +0900, Toshiaki Makita wrote: >> From: Toshiaki Makita >> >> All oversized packets including GSO packets are dropped if XDP is >> enabled on receiver side, so don't send such packets from peer. >> >> Drop TSO and SCTP fragmen

Re: [PATCH v3 bpf-next 3/8] veth: Avoid drops by oversized packets when XDP is enabled

2018-07-23 Thread Jakub Kicinski
On Mon, 23 Jul 2018 00:13:03 +0900, Toshiaki Makita wrote: > From: Toshiaki Makita > > All oversized packets including GSO packets are dropped if XDP is > enabled on receiver side, so don't send such packets from peer. > > Drop TSO and SCTP fragmentation features so that veth devices themselves

[PATCH v3 bpf-next 3/8] veth: Avoid drops by oversized packets when XDP is enabled

2018-07-22 Thread Toshiaki Makita
From: Toshiaki Makita All oversized packets including GSO packets are dropped if XDP is enabled on receiver side, so don't send such packets from peer. Drop TSO and SCTP fragmentation features so that veth devices themselves segment packets with XDP enabled. Also cap MTU accordingly. Signed-off