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From: Johannes Berg <johannes@sipsolutions.net>
To: Eric Dumazet <eric.dumazet@gmail.com>
Cc: artem.bityutskiy@linux.intel.com,
	Eric Dumazet <edumazet@google.com>,
	linux-wireless@vger.kernel.org
Subject: Re: regression: tethering fails in 3.5 with iwlwifi
Date: Thu, 20 Sep 2012 17:05:22 +0200	[thread overview]
Message-ID: <1348153522.4161.37.camel@jlt4.sipsolutions.net> (raw)
In-Reply-To: <1348152971.31352.140.camel@edumazet-glaptop> (sfid-20120920_165616_301862_3EBAF30C)

On Thu, 2012-09-20 at 16:56 +0200, Eric Dumazet wrote:
> On Thu, 2012-09-20 at 17:37 +0300, Artem Bityutskiy wrote:
> > On Thu, 2012-09-20 at 16:25 +0200, Eric Dumazet wrote:
> > > Please remove this hack and try the following bugfix in raw handler
> > > 
> > > icmp_filter() should not modify skb, or else its caller should not
> > > assume ip_hdr() is unchanged.
> > 
> > Did not help :(
> > 
> 
> What gives (after some failures)
> 
> cat /proc/net/raw

Note I think the failing packets are dhcp packets, and connman seems to
use an AF_INET, SOCK_DGRAM, IPPROTO_UDP socket for those, and binds it
to the right device. I'd be quite surprised though if UDP code had
issues with paged Rx??

johannes


  reply	other threads:[~2012-09-20 15:04 UTC|newest]

Thread overview: 47+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <1347361823.26457.3.camel@sauron.fi.intel.com>
     [not found] ` <1DC40B07CD6EC041A66726C271A73AE6195AE9C8@IRSMSX102.ger.corp.intel.com>
2012-09-14 14:02   ` regression: tethering fails in 3.5 with iwlwifi Artem Bityutskiy
2012-09-14 16:39     ` Artem Bityutskiy
2012-09-17 14:41       ` Artem Bityutskiy
2012-09-17 15:15         ` Eric Dumazet
2012-09-17 15:17           ` Johannes Berg
2012-09-18  7:09         ` Johannes Berg
2012-09-18  8:40           ` Artem Bityutskiy
2012-09-18  8:44             ` Johannes Berg
2012-09-18 11:45               ` Johannes Berg
2012-09-18 13:20                 ` Artem Bityutskiy
2012-09-20 12:06         ` Artem Bityutskiy
2012-09-20 12:35           ` Johannes Berg
2012-09-20 12:40             ` Eric Dumazet
2012-09-20 12:45               ` Eric Dumazet
2012-09-20 12:46                 ` Eric Dumazet
2012-09-20 12:50                   ` Johannes Berg
2012-09-20 12:47                 ` Johannes Berg
2012-09-20 12:48                   ` Eric Dumazet
2012-09-20 12:50                     ` Johannes Berg
2012-09-20 12:51                       ` Eric Dumazet
2012-09-20 12:54                         ` Johannes Berg
2012-09-20 12:51                   ` Johannes Berg
2012-09-20 12:58                 ` Artem Bityutskiy
2012-09-20 13:04                   ` Eric Dumazet
2012-09-20 13:15                     ` Eric Dumazet
2012-09-20 13:22                     ` Artem Bityutskiy
2012-09-20 13:22                       ` Eric Dumazet
2012-09-20 13:39                         ` Artem Bityutskiy
2012-09-20 13:41                           ` Eric Dumazet
2012-09-20 14:25                       ` Eric Dumazet
2012-09-20 14:37                         ` Artem Bityutskiy
2012-09-20 14:56                           ` Eric Dumazet
2012-09-20 15:05                             ` Johannes Berg [this message]
2012-09-20 15:18                               ` Eric Dumazet
2012-09-20 15:22                                 ` Johannes Berg
2012-09-20 15:27                                   ` Eric Dumazet
2012-09-20 15:31                                     ` Eric Dumazet
2012-09-20 15:32                                       ` Eric Dumazet
2012-09-20 15:19                               ` Eric Dumazet
2012-09-20 15:26                                 ` Johannes Berg
2012-09-20 15:09                             ` Artem Bityutskiy
2012-09-21 17:24                         ` David Miller
2012-09-20 12:47               ` Johannes Berg
2013-03-21 19:34         ` Johannes Berg
2013-03-21 21:24           ` David Miller
2013-03-22  7:01           ` Artem Bityutskiy
2013-03-23 15:45           ` Luis Henriques

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