Re: [PATCH 1/1] selftests/bpf: add cls_redirect classifier

2020-05-05 Thread Alexei Starovoitov
On Tue, May 5, 2020 at 6:37 AM Daniel Borkmann wrote: > > On 5/5/20 1:48 AM, Alexei Starovoitov wrote: > > On Sat, May 02, 2020 at 01:48:51AM +0200, Daniel Borkmann wrote: > >> On 4/27/20 11:45 AM, Lorenz Bauer wrote: > >>> On Sun, 26 Apr 2020 at 18:33, Alexei Starovoitov > >>> wrote: > >> [...]

Re: [PATCH 1/1] selftests/bpf: add cls_redirect classifier

2020-05-05 Thread Daniel Borkmann
On 5/5/20 1:48 AM, Alexei Starovoitov wrote: On Sat, May 02, 2020 at 01:48:51AM +0200, Daniel Borkmann wrote: On 4/27/20 11:45 AM, Lorenz Bauer wrote: On Sun, 26 Apr 2020 at 18:33, Alexei Starovoitov wrote: [...] +/* Linux packet pointers are either aligned to NET_IP_ALIGN (aka 2 bytes), + *

Re: [PATCH 1/1] selftests/bpf: add cls_redirect classifier

2020-05-04 Thread Alexei Starovoitov
On Sat, May 02, 2020 at 01:48:51AM +0200, Daniel Borkmann wrote: > On 4/27/20 11:45 AM, Lorenz Bauer wrote: > > On Sun, 26 Apr 2020 at 18:33, Alexei Starovoitov > > wrote: > [...] > > > > +/* Linux packet pointers are either aligned to NET_IP_ALIGN (aka 2 > > > > bytes), > > > > + * or not aligne

Re: [PATCH 1/1] selftests/bpf: add cls_redirect classifier

2020-05-01 Thread Daniel Borkmann
On 4/27/20 11:45 AM, Lorenz Bauer wrote: On Sun, 26 Apr 2020 at 18:33, Alexei Starovoitov wrote: [...] +/* Linux packet pointers are either aligned to NET_IP_ALIGN (aka 2 bytes), + * or not aligned if the arch supports efficient unaligned access. + * + * Since the verifier ensures that eBPF pa