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Re: patch: annoying u32 double listing

To: "David S. Miller" <davem@xxxxxxxxxxxxx>
Subject: Re: patch: annoying u32 double listing
From: Patrick McHardy <kaber@xxxxxxxxx>
Date: Sun, 06 Feb 2005 22:55:42 +0100
Cc: netdev@xxxxxxxxxxx
In-reply-to: <42068EA2.6030507@trash.net>
References: <1107719343.1055.22.camel@jzny.localdomain> <42068EA2.6030507@trash.net>
Sender: netdev-bounce@xxxxxxxxxxx
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.7.5) Gecko/20050106 Debian/1.7.5-1
Patrick McHardy wrote:

The patch is wrong. The "divisor"-lines are missing in the output with
your patch and it only hides the real error. ->walk is supposed to walk
all filters of the given priority/protocol, but u32 walks all filters.
This patch fixes it. Output with new patch:

The patch also applies to 2.4.

Regards
Patrick


------------------------------------------------------------------------

===== net/sched/cls_u32.c 1.25 vs edited =====
--- 1.25/net/sched/cls_u32.c    2005-01-11 20:25:16 +01:00
+++ edited/net/sched/cls_u32.c  2005-02-06 22:20:33 +01:00
@@ -91,6 +91,7 @@
{
        struct tc_u_hnode       *next;
        u32                     handle;
+       u32                     prio;
        struct tc_u_common      *tp_c;
        int                     refcnt;
        unsigned                divisor;
@@ -323,6 +324,7 @@
        root_ht->divisor = 0;
        root_ht->refcnt++;
        root_ht->handle = tp_c ? gen_new_htid(tp_c) : 0x80000000;
+       root_ht->prio = tp->prio;

        if (tp_c == NULL) {
                tp_c = kmalloc(sizeof(*tp_c), GFP_KERNEL);
@@ -703,6 +705,8 @@
                return;

for (ht = tp_c->hlist; ht; ht = ht->next) {
+ if (ht->prio != tp->prio)
+ continue;
if (arg->count >= arg->skip) {
if (arg->fn(tp, (unsigned long)ht, arg) < 0) {
arg->stop = 1;




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