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* [PATCH] IPV6: redo stateless addrconf properly
@ 2003-11-25 13:40 YOSHIFUJI Hideaki / 吉藤英明
  2003-11-26  1:09 ` David S. Miller
  0 siblings, 1 reply; 2+ messages in thread
From: YOSHIFUJI Hideaki / 吉藤英明 @ 2003-11-25 13:40 UTC (permalink / raw)
  To: davem; +Cc: netdev

Hello.

Interface that had configured via stateless addrconf did not do 
stateless addrconf again correctly after interface was down.
Forget IF_RS_SENT|IF_RA_RCVD flags when interface goes down.

Patch is against 2.6.0-test10, but similar logic applies to
2.4.x and 2.2.x.

Thanks.

===== net/ipv6/addrconf.c 1.76 vs edited =====
--- 1.76/net/ipv6/addrconf.c	Sun Nov  9 15:32:54 2003
+++ edited/net/ipv6/addrconf.c	Tue Nov 25 22:23:03 2003
@@ -1924,9 +1924,13 @@
 		write_unlock_bh(&addrconf_hash_lock);
 	}
 
-	/* Step 3: clear address list */
-
 	write_lock_bh(&idev->lock);
+
+	/* Step 3: clear flags for stateless addrconf */
+	if (how != 1)
+		idev->if_flags &= ~(IF_RS_SENT|IF_RA_RCVD);
+
+	/* Step 4: clear address list */
 #ifdef CONFIG_IPV6_PRIVACY
 	if (how == 1 && del_timer(&idev->regen_timer))
 		in6_dev_put(idev);
@@ -1962,7 +1966,7 @@
 	}
 	write_unlock_bh(&idev->lock);
 
-	/* Step 4: Discard multicast list */
+	/* Step 5: Discard multicast list */
 
 	if (how == 1)
 		ipv6_mc_destroy_dev(idev);

-- 
Hideaki YOSHIFUJI @ USAGI Project <yoshfuji@linux-ipv6.org>
GPG FP: 9022 65EB 1ECF 3AD1 0BDF  80D8 4807 F894 E062 0EEA

^ permalink raw reply	[flat|nested] 2+ messages in thread

* Re: [PATCH] IPV6: redo stateless addrconf properly
  2003-11-25 13:40 [PATCH] IPV6: redo stateless addrconf properly YOSHIFUJI Hideaki / 吉藤英明
@ 2003-11-26  1:09 ` David S. Miller
  0 siblings, 0 replies; 2+ messages in thread
From: David S. Miller @ 2003-11-26  1:09 UTC (permalink / raw)
  To: YOSHIFUJI Hideaki / _$B5HF#1QL@; +Cc: netdev

On Tue, 25 Nov 2003 22:40:37 +0900 (JST)
YOSHIFUJI Hideaki / _$B5HF#1QL@ <yoshfuji@linux-ipv6.org> wrote:

> Interface that had configured via stateless addrconf did not do 
> stateless addrconf again correctly after interface was down.
> Forget IF_RS_SENT|IF_RA_RCVD flags when interface goes down.
> 
> Patch is against 2.6.0-test10, but similar logic applies to
> 2.4.x and 2.2.x.

Applied, arigato Yoshfuji.

^ permalink raw reply	[flat|nested] 2+ messages in thread

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2003-11-25 13:40 [PATCH] IPV6: redo stateless addrconf properly YOSHIFUJI Hideaki / 吉藤英明
2003-11-26  1:09 ` David S. Miller

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