Re: [PATCH v5 bpf-next 3/9] veth: Avoid drops by oversized packets when XDP is enabled

2018-07-26 Thread Jakub Kicinski
On Fri, 27 Jul 2018 10:06:41 +0900, Toshiaki Makita wrote: > On 2018/07/27 9:51, Jakub Kicinski wrote: > > On Thu, 26 Jul 2018 23:40:26 +0900, Toshiaki Makita wrote: > >> + max_mtu = PAGE_SIZE - VETH_XDP_HEADROOM - > >> +peer->hard_header_len - > >> +

Re: [PATCH v5 bpf-next 3/9] veth: Avoid drops by oversized packets when XDP is enabled

2018-07-26 Thread Toshiaki Makita
On 2018/07/27 9:51, Jakub Kicinski wrote: > On Thu, 26 Jul 2018 23:40:26 +0900, Toshiaki Makita wrote: >> +max_mtu = PAGE_SIZE - VETH_XDP_HEADROOM - >> + peer->hard_header_len - >> + SKB_DATA_ALIGN(sizeof(struct skb_shared_info)); >> +

Re: [PATCH v5 bpf-next 3/9] veth: Avoid drops by oversized packets when XDP is enabled

2018-07-26 Thread Jakub Kicinski
On Thu, 26 Jul 2018 23:40:26 +0900, Toshiaki Makita wrote: > + max_mtu = PAGE_SIZE - VETH_XDP_HEADROOM - > + peer->hard_header_len - > + SKB_DATA_ALIGN(sizeof(struct skb_shared_info)); > + if (peer->mtu > max_mtu) { > +