Re: [PATCH bpf-next 1/3] xdp: Add bulk XDP_TX queue

2019-05-23 Thread Toke Høiland-Jørgensen
Toshiaki Makita writes: > On 2019/05/23 20:11, Toke Høiland-Jørgensen wrote: >> Toshiaki Makita writes: >> >>> XDP_TX is similar to XDP_REDIRECT as it essentially redirects packets to >>> the device itself. XDP_REDIRECT has bulk transmit mechanism to avoid the >>> heavy cost of indirect call bu

Re: [PATCH bpf-next 1/3] xdp: Add bulk XDP_TX queue

2019-05-23 Thread Toshiaki Makita
On 2019/05/23 20:11, Toke Høiland-Jørgensen wrote: > Toshiaki Makita writes: > >> XDP_TX is similar to XDP_REDIRECT as it essentially redirects packets to >> the device itself. XDP_REDIRECT has bulk transmit mechanism to avoid the >> heavy cost of indirect call but it also reduces lock acquisitio

Re: [PATCH bpf-next 1/3] xdp: Add bulk XDP_TX queue

2019-05-23 Thread Toke Høiland-Jørgensen
Toshiaki Makita writes: > XDP_TX is similar to XDP_REDIRECT as it essentially redirects packets to > the device itself. XDP_REDIRECT has bulk transmit mechanism to avoid the > heavy cost of indirect call but it also reduces lock acquisition on the > destination device that needs locks like veth a