From: Daniel Borkmann <dborkman@redhat.com>
To: Vlad Yasevich <vyasevich@gmail.com>
Cc: netdev@vger.kernel.org, linux-sctp@vger.kernel.org, fan.du@windriver.com
Subject: Re: [PATCH v4 net 0/3] sctp: Use software checksum under certain
Date: Wed, 16 Oct 2013 08:02:32 +0000 [thread overview]
Message-ID: <525E4818.2080101@redhat.com> (raw)
In-Reply-To: <1381888891-31186-1-git-send-email-vyasevich@gmail.com>
On 10/16/2013 04:01 AM, Vlad Yasevich wrote:
> There are some cards that support SCTP checksum offloading. When using
> these cards with IPSec or forcing IP fragmentation of SCTP traffic,
> the checksum is computed incorrectly due to the fact that xfrm and IP/IPv6
> fragmentation code do not know that this is SCTP traffic and do not
> know that checksum has to be computed differently.
>
> To fix this, we let SCTP detect these conditions and perform software
> checksum calculation.
>
> Fan Du (1):
> sctp: Use software crc32 checksum when xfrm transform will happen.
>
> Vlad Yasevich (2):
> net: dst: provide accessor function to dst->xfrm
> sctp: Perform software checksum if packet has to be fragmented.
>
> include/net/dst.h | 12 ++++++++++++
> net/sctp/output.c | 3 ++-
> 2 files changed, 14 insertions(+), 1 deletion(-)
>
Acked-by: Daniel Borkmann <dborkman@redhat.com>
WARNING: multiple messages have this Message-ID (diff)
From: Daniel Borkmann <dborkman@redhat.com>
To: Vlad Yasevich <vyasevich@gmail.com>
Cc: netdev@vger.kernel.org, linux-sctp@vger.kernel.org, fan.du@windriver.com
Subject: Re: [PATCH v4 net 0/3] sctp: Use software checksum under certain
Date: Wed, 16 Oct 2013 10:02:32 +0200 [thread overview]
Message-ID: <525E4818.2080101@redhat.com> (raw)
In-Reply-To: <1381888891-31186-1-git-send-email-vyasevich@gmail.com>
On 10/16/2013 04:01 AM, Vlad Yasevich wrote:
> There are some cards that support SCTP checksum offloading. When using
> these cards with IPSec or forcing IP fragmentation of SCTP traffic,
> the checksum is computed incorrectly due to the fact that xfrm and IP/IPv6
> fragmentation code do not know that this is SCTP traffic and do not
> know that checksum has to be computed differently.
>
> To fix this, we let SCTP detect these conditions and perform software
> checksum calculation.
>
> Fan Du (1):
> sctp: Use software crc32 checksum when xfrm transform will happen.
>
> Vlad Yasevich (2):
> net: dst: provide accessor function to dst->xfrm
> sctp: Perform software checksum if packet has to be fragmented.
>
> include/net/dst.h | 12 ++++++++++++
> net/sctp/output.c | 3 ++-
> 2 files changed, 14 insertions(+), 1 deletion(-)
>
Acked-by: Daniel Borkmann <dborkman@redhat.com>
next prev parent reply other threads:[~2013-10-16 8:02 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-16 2:01 [PATCH v4 net 0/3] sctp: Use software checksum under certain Vlad Yasevich
2013-10-16 2:01 ` Vlad Yasevich
2013-10-16 2:01 ` [PATCH v4 net 1/3] net: dst: provide accessor function to dst->xfrm Vlad Yasevich
2013-10-16 2:01 ` Vlad Yasevich
2013-10-16 13:31 ` Neil Horman
2013-10-16 13:31 ` Neil Horman
2013-10-16 2:01 ` [PATCH v4 net 2/3] sctp: Use software crc32 checksum when xfrm transform will happen Vlad Yasevich
2013-10-16 2:01 ` Vlad Yasevich
2013-10-16 13:32 ` Neil Horman
2013-10-16 13:32 ` Neil Horman
2013-10-16 2:01 ` [PATCH v4 net 3/3] sctp: Perform software checksum if packet has to be fragmented Vlad Yasevich
2013-10-16 2:01 ` Vlad Yasevich
2013-10-16 13:34 ` Neil Horman
2013-10-16 13:34 ` Neil Horman
2013-10-16 8:02 ` Daniel Borkmann [this message]
2013-10-16 8:02 ` [PATCH v4 net 0/3] sctp: Use software checksum under certain Daniel Borkmann
2013-10-17 19:26 ` David Miller
2013-10-17 19:26 ` David Miller
2013-10-17 20:21 ` Vlad Yasevich
2013-10-17 20:21 ` Vlad Yasevich
2013-10-18 3:33 ` David Miller
2013-10-18 3:33 ` David Miller
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