Re: [PATCHv2 bpf 1/2] bpf: Support sk lookup in netns with id 0

2018-11-30 Thread Joe Stringer
On Fri, 30 Nov 2018 at 15:27, Alexei Starovoitov wrote: > > On Fri, Nov 30, 2018 at 03:18:25PM -0800, Joe Stringer wrote: > > On Fri, 30 Nov 2018 at 14:42, Alexei Starovoitov > > wrote: > > > > > > On Thu, Nov 29, 2018 at 04:29:33PM -0800, Joe Stringer wrote: > > > > David Ahern and Nicolas Dicht

Re: [PATCHv2 bpf 1/2] bpf: Support sk lookup in netns with id 0

2018-11-30 Thread Alexei Starovoitov
On Fri, Nov 30, 2018 at 03:18:25PM -0800, Joe Stringer wrote: > On Fri, 30 Nov 2018 at 14:42, Alexei Starovoitov > wrote: > > > > On Thu, Nov 29, 2018 at 04:29:33PM -0800, Joe Stringer wrote: > > > David Ahern and Nicolas Dichtel report that the handling of the netns id > > > 0 is incorrect for th

Re: [PATCHv2 bpf 1/2] bpf: Support sk lookup in netns with id 0

2018-11-30 Thread Joe Stringer
On Fri, 30 Nov 2018 at 14:42, Alexei Starovoitov wrote: > > On Thu, Nov 29, 2018 at 04:29:33PM -0800, Joe Stringer wrote: > > David Ahern and Nicolas Dichtel report that the handling of the netns id > > 0 is incorrect for the BPF socket lookup helpers: rather than finding > > the netns with id 0,

Re: [PATCHv2 bpf 1/2] bpf: Support sk lookup in netns with id 0

2018-11-30 Thread Alexei Starovoitov
On Thu, Nov 29, 2018 at 04:29:33PM -0800, Joe Stringer wrote: > David Ahern and Nicolas Dichtel report that the handling of the netns id > 0 is incorrect for the BPF socket lookup helpers: rather than finding > the netns with id 0, it is resolving to the current netns. This renders > the netns_id 0

Re: [PATCHv2 bpf 1/2] bpf: Support sk lookup in netns with id 0

2018-11-30 Thread Joe Stringer
On Thu, 29 Nov 2018 at 16:30, Joe Stringer wrote: > > David Ahern and Nicolas Dichtel report that the handling of the netns id > 0 is incorrect for the BPF socket lookup helpers: rather than finding > the netns with id 0, it is resolving to the current netns. This renders > the netns_id 0 inaccess

Re: [PATCHv2 bpf 1/2] bpf: Support sk lookup in netns with id 0

2018-11-30 Thread Nicolas Dichtel
Le 30/11/2018 à 01:29, Joe Stringer a écrit : > David Ahern and Nicolas Dichtel report that the handling of the netns id > 0 is incorrect for the BPF socket lookup helpers: rather than finding > the netns with id 0, it is resolving to the current netns. This renders > the netns_id 0 inaccessible. >

[PATCHv2 bpf 1/2] bpf: Support sk lookup in netns with id 0

2018-11-29 Thread Joe Stringer
David Ahern and Nicolas Dichtel report that the handling of the netns id 0 is incorrect for the BPF socket lookup helpers: rather than finding the netns with id 0, it is resolving to the current netns. This renders the netns_id 0 inaccessible. To fix this, adjust the API for the netns to treat all