Re: [PATCH net-next 1/2] tcp_bbr: better deal with suboptimal GSO (II)

2018-02-28 Thread Neal Cardwell
On Wed, Feb 28, 2018 at 5:40 PM, Eric Dumazet wrote: > > This is second part of dealing with suboptimal device gso parameters. > In first patch (350c9f484bde "tcp_bbr: better deal with suboptimal GSO") > we dealt with devices having low gso_max_segs > > Some devices lower gso_max_size from 64KB to

[PATCH net-next 1/2] tcp_bbr: better deal with suboptimal GSO (II)

2018-02-28 Thread Eric Dumazet
This is second part of dealing with suboptimal device gso parameters. In first patch (350c9f484bde "tcp_bbr: better deal with suboptimal GSO") we dealt with devices having low gso_max_segs Some devices lower gso_max_size from 64KB to 16 KB (r8152 is an example) In order to probe an optimal cwnd,