netdev - Re: [bpf-next PATCH 0/3] Hash support for sock

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:   Fri, 27 Apr 2018 16:15:06 -0700
From:   John Fastabend <john.fastabend@...il.com>
To:     Alexei Starovoitov <alexei.starovoitov@...il.com>
Cc:     Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Network Development <netdev@...r.kernel.org>
Subject: Re: [bpf-next PATCH 0/3] Hash support for sock

On 04/27/2018 03:54 PM, Alexei Starovoitov wrote:
> On Fri, Apr 27, 2018 at 10:51 PM, John Fastabend
> <john.fastabend@...il.com> wrote:
>> In the original sockmap implementation we got away with using an
>> array similar to devmap. However, unlike devmap where an ifindex
>> has a nice 1:1 function into the map we have found some use cases
>> with sockets need to be referenced using longer keys.
>>
>> This series adds support for a sockhash map type which reuses almost
>> all the sockmap code except it needed a few special add/remove
>> handlers.
>>
>> To test this we duplicate all the sockmap testing except swap out
>> the sockmap with a sockhash.
>>
>> ---
>>
>> John Fastabend (3):
>>       bpf: sockmap, refactor sockmap routines to work with hashmap
>>       bpf: sockmap, add hash map support
>>       bpf: selftest additions for SOCKHASH
>>
>>
>>  tools/bpf/bpftool/map.c                          |    1
>>  tools/include/uapi/linux/bpf.h                   |    6
>>  tools/testing/selftests/bpf/Makefile             |    3
>>  tools/testing/selftests/bpf/test_sockhash_kern.c |    4
>>  tools/testing/selftests/bpf/test_sockmap.c       |   27 +-
>>  tools/testing/selftests/bpf/test_sockmap_kern.c  |  340 ----------------------
>>  tools/testing/selftests/bpf/test_sockmap_kern.h  |  340 ++++++++++++++++++++++
>>  7 files changed, 374 insertions(+), 347 deletions(-)
>>  create mode 100644 tools/testing/selftests/bpf/test_sockhash_kern.c
>>  create mode 100644 tools/testing/selftests/bpf/test_sockmap_kern.h
> 
> something wrong here.
> patch 1 changes include/linux/filter.h
> but it's not included in the above.
> Please fix and resubmit
> 

Strange had to create a new branch to fix it. Anyways thanks
and v2 coming with correct stats.

.John