From: "David S. Miller" <davem@redhat.com>
To: Petru Paler <ppetru@ppetru.net>
Cc: linux-kernel@vger.kernel.org
Subject: Re: 2.4.0-pre3+zerocopy: weird messages
Date: Sun, 14 Jan 2001 03:32:40 -0800 (PST) [thread overview]
Message-ID: <14945.36440.59585.376942@pizda.ninka.net> (raw)
In-Reply-To: <20010114132845.F1394@ppetru.net>
In-Reply-To: <20010114121105.B1394@ppetru.net> <14945.32886.671619.99921@pizda.ninka.net> <20010114124549.D1394@ppetru.net> <14945.34414.185794.396720@pizda.ninka.net> <20010114132845.F1394@ppetru.net>
Petru Paler writes:
> > Oh, I think I know why this happens. Can you add this patch, and next
> > time the UDP bad csum message appears, tell me if it says "UDP packet
> > with bad csum was fragmented." in the next line of your syslog
> > messages? Thanks.
>
> Sure, but I also need the actual patch :)
Duh, here it is :-)
--- net/ipv4/udp.c.~1~ Thu Jan 11 10:20:40 2001
+++ net/ipv4/udp.c Sun Jan 14 02:58:07 2001
@@ -855,6 +855,8 @@
if (!udp_check(uh, ulen, saddr, daddr, skb->csum))
return 0;
NETDEBUG(printk(KERN_DEBUG "udp v4 hw csum failure.\n"));
+ if (skb_shinfo(skb)->frag_list != NULL)
+ printk(KERN_DEBUG "UDP packet with bad csum was fragmented.\n");
skb->ip_summed = CHECKSUM_NONE;
}
if (skb->ip_summed != CHECKSUM_UNNECESSARY)
-
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next prev parent reply other threads:[~2001-01-14 11:33 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-01-14 10:11 Petru Paler
2001-01-14 10:33 ` David S. Miller
2001-01-14 10:45 ` Petru Paler
2001-01-14 10:58 ` David S. Miller
2001-01-14 11:28 ` Petru Paler
2001-01-14 11:32 ` David S. Miller [this message]
2001-01-14 12:10 ` Petru Paler
2001-01-14 13:12 ` Petru Paler
2001-01-14 13:21 ` David S. Miller
2001-01-14 18:08 ` Petru Paler
2001-01-15 5:20 ` Petru Paler
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