Re: [RFC PATCH net-next 3/3] ipv4: Centralize TOS matching

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On Fri, Jul 26, 2024 at 03:17:15PM +0200, Guillaume Nault wrote:
> On Thu, Jul 25, 2024 at 04:17:29PM +0300, Ido Schimmel wrote:
> > diff --git a/include/net/ip_fib.h b/include/net/ip_fib.h
> > index 72af2f223e59..967e4dc555fa 100644
> > --- a/include/net/ip_fib.h
> > +++ b/include/net/ip_fib.h
> > @@ -22,6 +22,8 @@
> >  #include <linux/percpu.h>
> >  #include <linux/notifier.h>
> >  #include <linux/refcount.h>
> > +#include <linux/ip.h>
> 
> Why including linux/ip.h? That doesn't seem necessary for this change.

RT_TOS() is defined in linux/in_route.h as ((tos)&IPTOS_TOS_MASK), but
IPTOS_TOS_MASK is defined in liunx/ip.h which is not included by
linux/in_route.h for some reason.

This also works:

diff --git a/include/net/ip_fib.h b/include/net/ip_fib.h
index 967e4dc555fa..269ec10f63e4 100644
--- a/include/net/ip_fib.h
+++ b/include/net/ip_fib.h
@@ -22,7 +22,6 @@
 #include <linux/percpu.h>
 #include <linux/notifier.h>
 #include <linux/refcount.h>
-#include <linux/ip.h>
 #include <linux/in_route.h>
 
 struct fib_config {
diff --git a/include/uapi/linux/in_route.h b/include/uapi/linux/in_route.h
index 0cc2c23b47f8..10bdd7e7107f 100644
--- a/include/uapi/linux/in_route.h
+++ b/include/uapi/linux/in_route.h
@@ -2,6 +2,8 @@
 #ifndef _LINUX_IN_ROUTE_H
 #define _LINUX_IN_ROUTE_H
 
+#include <linux/ip.h>
+
 /* IPv4 routing cache flags */
 
 #define RTCF_DEAD      RTNH_F_DEAD

> 
> Appart from that,
> 
> Reviewed-by: Guillaume Nault <gnault@xxxxxxxxxx>

Thanks!




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