[ovs-dev] [PATCH] datapath: Check for backported sctp_compute_cksum().

Joe Stringer joestringer at nicira.com
Sat Jan 4 00:05:24 UTC 2014


Looks good, thanks Jesse.

Acked-by: Joe Stringer <joestringer at nicira.com>

On 3 January 2014 15:44, Jesse Gross <jesse at nicira.com> wrote:
> This is backported by RHEL7.
>
> Reported-by: Ashok Byahatti <ashok.byahatti at embrane.com>
> Signed-off-by: Jesse Gross <jesse at nicira.com>
> ---
>  acinclude.m4                                      | 2 ++
>  datapath/linux/compat/include/net/sctp/checksum.h | 3 +--
>  2 files changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/acinclude.m4 b/acinclude.m4
> index 7078654..8ff5828 100644
> --- a/acinclude.m4
> +++ b/acinclude.m4
> @@ -281,6 +281,8 @@ AC_DEFUN([OVS_CHECK_LINUX_COMPAT], [
>    OVS_GREP_IFELSE([$KSRC/include/net/netlink.h], [nla_put_be64])
>    OVS_GREP_IFELSE([$KSRC/include/net/netlink.h], [nla_find_nested])
>
> +  OVS_GREP_IFELSE([$KSRC/include/net/sctp/checksum.h], [sctp_compute_cksum])
> +
>    OVS_GREP_IFELSE([$KSRC/include/linux/if_vlan.h], [ADD_ALL_VLANS_CMD],
>                    [OVS_DEFINE([HAVE_VLAN_BUG_WORKAROUND])])
>
> diff --git a/datapath/linux/compat/include/net/sctp/checksum.h b/datapath/linux/compat/include/net/sctp/checksum.h
> index 59d209b..7832abc 100644
> --- a/datapath/linux/compat/include/net/sctp/checksum.h
> +++ b/datapath/linux/compat/include/net/sctp/checksum.h
> @@ -1,10 +1,9 @@
>  #ifndef __SCTP_CHECKSUM_WRAPPER_H
>  #define __SCTP_CHECKSUM_WRAPPER_H 1
>
> -#include <linux/version.h>
>  #include_next <net/sctp/checksum.h>
>
> -#if LINUX_VERSION_CODE < KERNEL_VERSION(3,12,0)
> +#ifndef HAVE_SCTP_COMPUTE_CKSUM
>  static inline __le32 sctp_compute_cksum(const struct sk_buff *skb,
>                                         unsigned int offset)
>  {
> --
> 1.8.3.2
>
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