netfilter-devel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
* [kernel PATCH] uapi: ebtables: don't include linux/if.h
@ 2015-04-08 17:41 Arturo Borrero Gonzalez
  2015-04-08 17:59 ` Pablo Neira Ayuso
  0 siblings, 1 reply; 3+ messages in thread
From: Arturo Borrero Gonzalez @ 2015-04-08 17:41 UTC (permalink / raw)
  To: netfilter-devel; +Cc: kaber, pablo

From: Pablo Neira Ayuso <pablo@netfilter.org>

linux/if.h creates conflicts in userspace with net/if.h

By using it here we force userspace to use linux/if.h while
net/if.h may be needed.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>
---
 include/linux/netfilter_bridge/ebtables.h      |    3 ++-
 include/uapi/linux/netfilter_bridge/ebtables.h |    2 --
 2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/include/linux/netfilter_bridge/ebtables.h b/include/linux/netfilter_bridge/ebtables.h
index 34e7a2b..f1bd396 100644
--- a/include/linux/netfilter_bridge/ebtables.h
+++ b/include/linux/netfilter_bridge/ebtables.h
@@ -12,9 +12,10 @@
 #ifndef __LINUX_BRIDGE_EFF_H
 #define __LINUX_BRIDGE_EFF_H
 
+#include <linux/if.h>
+#include <linux/if_ether.h>
 #include <uapi/linux/netfilter_bridge/ebtables.h>
 
-
 /* return values for match() functions */
 #define EBT_MATCH 0
 #define EBT_NOMATCH 1
diff --git a/include/uapi/linux/netfilter_bridge/ebtables.h b/include/uapi/linux/netfilter_bridge/ebtables.h
index ba99336..773dfe8 100644
--- a/include/uapi/linux/netfilter_bridge/ebtables.h
+++ b/include/uapi/linux/netfilter_bridge/ebtables.h
@@ -12,9 +12,7 @@
 
 #ifndef _UAPI__LINUX_BRIDGE_EFF_H
 #define _UAPI__LINUX_BRIDGE_EFF_H
-#include <linux/if.h>
 #include <linux/netfilter_bridge.h>
-#include <linux/if_ether.h>
 
 #define EBT_TABLE_MAXNAMELEN 32
 #define EBT_CHAIN_MAXNAMELEN EBT_TABLE_MAXNAMELEN


^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [kernel PATCH] uapi: ebtables: don't include linux/if.h
  2015-04-08 17:41 [kernel PATCH] uapi: ebtables: don't include linux/if.h Arturo Borrero Gonzalez
@ 2015-04-08 17:59 ` Pablo Neira Ayuso
  2015-04-13 18:10   ` Pablo Neira Ayuso
  0 siblings, 1 reply; 3+ messages in thread
From: Pablo Neira Ayuso @ 2015-04-08 17:59 UTC (permalink / raw)
  To: Arturo Borrero Gonzalez; +Cc: netfilter-devel, kaber

On Wed, Apr 08, 2015 at 07:41:40PM +0200, Arturo Borrero Gonzalez wrote:
> From: Pablo Neira Ayuso <pablo@netfilter.org>
> 
> linux/if.h creates conflicts in userspace with net/if.h
> 
> By using it here we force userspace to use linux/if.h while
> net/if.h may be needed.

I'm going to add here that:

include/linux/netfilter_ipv4/ip_tables.h and
include/linux/netfilter_ipv6/ip6_tables.h

don't include linux/if.h and they also refer to IFNAMSIZ, so they are
expecting userspace to include use net/if.h from the client program.

This has been causing us problems in the xt over nft layer.

If nobody objects, I'll push this to nf-next.

> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
> Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>
> ---
>  include/linux/netfilter_bridge/ebtables.h      |    3 ++-
>  include/uapi/linux/netfilter_bridge/ebtables.h |    2 --
>  2 files changed, 2 insertions(+), 3 deletions(-)
> 
> diff --git a/include/linux/netfilter_bridge/ebtables.h b/include/linux/netfilter_bridge/ebtables.h
> index 34e7a2b..f1bd396 100644
> --- a/include/linux/netfilter_bridge/ebtables.h
> +++ b/include/linux/netfilter_bridge/ebtables.h
> @@ -12,9 +12,10 @@
>  #ifndef __LINUX_BRIDGE_EFF_H
>  #define __LINUX_BRIDGE_EFF_H
>  
> +#include <linux/if.h>
> +#include <linux/if_ether.h>
>  #include <uapi/linux/netfilter_bridge/ebtables.h>
>  
> -
>  /* return values for match() functions */
>  #define EBT_MATCH 0
>  #define EBT_NOMATCH 1
> diff --git a/include/uapi/linux/netfilter_bridge/ebtables.h b/include/uapi/linux/netfilter_bridge/ebtables.h
> index ba99336..773dfe8 100644
> --- a/include/uapi/linux/netfilter_bridge/ebtables.h
> +++ b/include/uapi/linux/netfilter_bridge/ebtables.h
> @@ -12,9 +12,7 @@
>  
>  #ifndef _UAPI__LINUX_BRIDGE_EFF_H
>  #define _UAPI__LINUX_BRIDGE_EFF_H
> -#include <linux/if.h>
>  #include <linux/netfilter_bridge.h>
> -#include <linux/if_ether.h>
>  
>  #define EBT_TABLE_MAXNAMELEN 32
>  #define EBT_CHAIN_MAXNAMELEN EBT_TABLE_MAXNAMELEN
> 

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [kernel PATCH] uapi: ebtables: don't include linux/if.h
  2015-04-08 17:59 ` Pablo Neira Ayuso
@ 2015-04-13 18:10   ` Pablo Neira Ayuso
  0 siblings, 0 replies; 3+ messages in thread
From: Pablo Neira Ayuso @ 2015-04-13 18:10 UTC (permalink / raw)
  To: Arturo Borrero Gonzalez; +Cc: netfilter-devel, kaber

On Wed, Apr 08, 2015 at 07:59:40PM +0200, Pablo Neira Ayuso wrote:
> On Wed, Apr 08, 2015 at 07:41:40PM +0200, Arturo Borrero Gonzalez wrote:
> > From: Pablo Neira Ayuso <pablo@netfilter.org>
> > 
> > linux/if.h creates conflicts in userspace with net/if.h
> > 
> > By using it here we force userspace to use linux/if.h while
> > net/if.h may be needed.
> 
> I'm going to add here that:
> 
> include/linux/netfilter_ipv4/ip_tables.h and
> include/linux/netfilter_ipv6/ip6_tables.h
> 
> don't include linux/if.h and they also refer to IFNAMSIZ, so they are
> expecting userspace to include use net/if.h from the client program.

Applied, thanks Arturo.

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2015-04-13 18:05 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2015-04-08 17:41 [kernel PATCH] uapi: ebtables: don't include linux/if.h Arturo Borrero Gonzalez
2015-04-08 17:59 ` Pablo Neira Ayuso
2015-04-13 18:10   ` Pablo Neira Ayuso

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).