From owner-freebsd-current@FreeBSD.ORG Sat Apr 13 13:25:12 2013 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by hub.freebsd.org (Postfix) with ESMTP id 1EE96882 for ; Sat, 13 Apr 2013 13:25:12 +0000 (UTC) (envelope-from spil.oss@gmail.com) Received: from mail-ie0-x236.google.com (mail-ie0-x236.google.com [IPv6:2607:f8b0:4001:c03::236]) by mx1.freebsd.org (Postfix) with ESMTP id E3F3734A for ; Sat, 13 Apr 2013 13:25:11 +0000 (UTC) Received: by mail-ie0-f182.google.com with SMTP id at1so4314797iec.41 for ; Sat, 13 Apr 2013 06:25:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:x-received:reply-to:in-reply-to:references:date :message-id:subject:from:to:cc:content-type; bh=bNDltroCnPn4zPLHOAawvyvhhqDvHQYW+6OvKGcpp9A=; b=bUHqzPiO8qKpnNYofA/eNHe95YH0DIJHRD+P0o3XArWKNMzyAlLHkDCg1/0/aGB9sb X1zXPMue5gwPc5yKGgwmm6rljLdUtEeG3VsEHWH5LZ9KKefjfzdl/nBUaCYM4GTtQBW/ meRJdxZs1yzMG59gdU5t2Ai37zO/KyESkoyXJjkh5lJSiXv55raFNKnb3ouNzWdBqO2Q h3Ez9Wwsq6mVHHqwFoGM4dau2iItPX2+IgwamxWxNe60ZXS2IzuxgrxqAasEXIkXgLnB FkSyPeZwi9wD7uk58ut+c2WTLAgf2zAl0TbTMp4aTWz48KOMUHY/h3RcVlCvxbDIt/D4 HFwA== MIME-Version: 1.0 X-Received: by 10.50.216.164 with SMTP id or4mr1589318igc.38.1365859511337; Sat, 13 Apr 2013 06:25:11 -0700 (PDT) Received: by 10.42.189.4 with HTTP; Sat, 13 Apr 2013 06:25:11 -0700 (PDT) In-Reply-To: <20130411011130.GA2985@michelle.cdnetworks.com> References: <20130408063548.GB1526@michelle.cdnetworks.com> <20130410021455.GB3086@michelle.cdnetworks.com> <20130411011130.GA2985@michelle.cdnetworks.com> Date: Sat, 13 Apr 2013 15:25:11 +0200 Message-ID: Subject: Re: Problems with axe(4) and checksum offloading From: Spil Oss To: pyunyh@gmail.com Content-Type: text/plain; charset=ISO-8859-1 X-Content-Filtered-By: Mailman/MimeDel 2.1.14 Cc: current X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list Reply-To: spil.oss@gmail.com List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 13 Apr 2013 13:25:12 -0000 Hi YongHyeon, Will post on freebsd-ipfw@ as well... Does your engineering sample function normally with rxcsum/txcsum disabled? Kind regards, Spil. On Thu, Apr 11, 2013 at 3:11 AM, YongHyeon PYUN wrote: > On Wed, Apr 10, 2013 at 07:48:00PM +0200, Spil Oss wrote: > > Hi YongHyeon, > > > > With the original unmodified .ko... > > > > ifconfig output as requested at bottom > > > > Static IP-configuration does not make a difference with the ipfw > behaviour. > > > > ipfw ruleset (based on /etc/rc.firewall simple ruleset) > > 00010 allow ip from any to me dst-port 22 recv ue0 > > 00010 allow tcp from me 22 to any xmit ue0 > > 00100 allow ip from any to any via lo0 > > 00200 deny ip from any to 127.0.0.0/8 > > 00300 deny ip from 127.0.0.0/8 to any > > 00400 deny ip from any to ::1 > > 00500 deny ip from ::1 to any > > 00600 allow ipv6-icmp from :: to ff02::/16 > > 00700 allow ipv6-icmp from fe80::/10 to fe80::/10 > > 00800 allow ipv6-icmp from fe80::/10 to ff02::/16 > > 00900 allow ipv6-icmp from any to any ip6 icmp6types 1 > > 01000 allow ipv6-icmp from any to any ip6 icmp6types 2,135,136 > > 01100 deny ip from 10.16.2.1 to any in via ue0 > > 01200 deny ip from 172.17.2.111 to any in via re0 > > 01300 deny ip from any to 10.0.0.0/8 via ue0 > > 01500 deny ip from any to 192.168.0.0/16 via ue0 > > 01600 deny ip from any to 0.0.0.0/8 via ue0 > > 01700 deny ip from any to 169.254.0.0/16 via ue0 > > 01800 deny ip from any to 192.0.2.0/24 via ue0 > > 01900 deny ip from any to 224.0.0.0/4 via ue0 > > 02000 deny ip from any to 240.0.0.0/4 via ue0 > > 02100 divert 8668 ip4 from any to any via ue0 > > 02200 deny ip from 10.0.0.0/8 to any via ue0 > > 02400 deny ip from 192.168.0.0/16 to any via ue0 > > 02500 deny ip from 0.0.0.0/8 to any via ue0 > > 02600 deny ip from 169.254.0.0/16 to any via ue0 > > 02700 deny ip from 192.0.2.0/24 to any via ue0 > > 02800 deny ip from 224.0.0.0/4 to any via ue0 > > 02900 deny ip from 240.0.0.0/4 to any via ue0 > > 03000 allow tcp from any to any established > > 03100 allow ip from any to any frag > > 03200 allow tcp from any to me dst-port 22 setup > > 03300 allow tcp from any to me dst-port 25 setup > > 03400 allow tcp from any to me dst-port 465 setup > > 03500 allow tcp from any to me dst-port 587 setup > > 03600 allow tcp from any to me dst-port 80 setup > > 03700 allow tcp from any to me dst-port 443 setup > > 03800 deny log logamount 5 ip4 from any to any in via ue0 setup proto tcp > > 03900 allow tcp from any to any setup > > 04000 allow udp from me to any dst-port 53 keep-state > > 04100 allow udp from me to any dst-port 123 keep-state > > 04200 allow ip from any to any dst-port 22 recv ue0 > > 65535 deny ip from any to any > > > > If I remove rule 10 it will NOT work with ue0, the ruleset without rule > 10 > > DOES work with re0. > > > > Found an older PR about em or fxp having trouble with natd when > > rxcsum/txcsum was enabled, that is why I started fiddling with > > rxcsum/txcsum and found that the NIC would be unusable without > > rxcsum/txcsum enabled. If only I could find that PR now > (kern/170081???)... > > Was fixed in base... > > If you don't use ipfw/natd, checksum offloading of axe(4) work? > If yes, you'd get better answer from ipfw mailing list. > > > > > Some other post reported fake AX88772A chips (32-pin packaging vs 64 in > the > > original) on cheap USB NICs so I checked the hardware as well and could > not > > AX88772A does not support TX/RX checksum offloading. > > > see an issue (64-pin packaging). > > > > # ifconfig ue0 > > ue0: flags=8802 metric 0 mtu 1500 > > options=8000b > > ether 00:60:6e:42:5b:53 > > nd6 options=21 > > media: Ethernet autoselect (100baseTX ) > > status: active > > > > # dhclient ue0 > > DHCPDISCOVER on ue0 to 255.255.255.255 port 67 interval 4 > > DHCPOFFER from 172.17.2.1 > > DHCPREQUEST on ue0 to 255.255.255.255 port 67 > > DHCPACK from 172.17.2.1 > > bound to 172.17.2.111 -- renewal in 43200 seconds. > > > > # ifconfig ue0 > > ue0: flags=8843 metric 0 mtu 1500 > > options=8000b > > ether 00:60:6e:42:5b:53 > > inet6 fe80::260:6eff:fe42:5b53%ue0 prefixlen 64 scopeid 0x7 > > inet 172.17.2.111 netmask 0xffffff00 broadcast 172.17.2.255 > > nd6 options=21 > > media: Ethernet autoselect (100baseTX ) > > status: active > > I can see TX/RX checksum offloading is active and it successfully > got a IP address via DHCP. > > > > > > > > > > > On Wed, Apr 10, 2013 at 4:14 AM, YongHyeon PYUN > wrote: > > > > > On Mon, Apr 08, 2013 at 08:45:58PM +0200, Spil Oss wrote: > > > > Hi YongHyeon, > > > > > > > > output from verbose boot > > > > > > > > ugen3.2: at usbus3 > > > > axe0: on usbus3 > > > > axe0: PHYADDR 0xe0:0x10 > > > > miibus1: on axe0 > > > > ukphy0: PHY 16 on miibus1 > > > > ukphy0: OUI 0x007063, model 0x0008, rev. 1 > > > > ukphy0: none, 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto, > > > > auto-flow > > > > ue0: on axe0 > > > > ue0: bpf attached > > > > ue0: Ethernet address: 00:60:6e:42:5b:53 > > > > ue0: link state changed to UP > > > > ue0: link state changed to DOWN > > > > ue0: link state changed to UP > > > > > > AX88772B engineering sample I have still worked on latest current. > > > Could you use a static IP rather than using DHCP and see whether > > > that makes any difference?(Note, you have to revert your changes > > > made to axe(4) before trying that). > > > > > > Also show me the output of 'ifconfig ue0' before/after running > > > dhclient(8). > > > > > > > > > > > Apart from what I originally described... > > > > Networking does work, but not when packets pass through ipfw and > nat. If > > > I > > > > add my ipfw rules before the divert natd rule networking works as > > > expected, > > > > without the SYN,ACK response packets are not accepted if I e.g. > connect > > > to > > > > something on the axe interface. I have validated the ipfw ruleset > with > > > the > > > > onboard realtek NIC and it then works as expected. > > > > > > > > # usbconfig -u 3 -a 2 dump_info > > > > ugen3.2: at usbus3, cfg=0 md=HOST > spd=HIGH > > > > (480Mbps) pwr=ON (200mA) > > > > > > > > Kind regards, > > > > > > > > Spil. > > > > > > > > > > > > On Mon, Apr 8, 2013 at 8:35 AM, YongHyeon PYUN > wrote: > > > > > > > > > On Sun, Apr 07, 2013 at 09:14:16PM +0200, Spil Oss wrote: > > > > > > Hi all, > > > > > > > > > > > > With checksum offloading enabled I cannot use my axe NIC (ASIX > > > AX88772B). > > > > > > > > > > > > ifconfig ue0 -txcsum -rxcsum > > > > > > will make dhclient ue0 return > > > > > > > > > > > > if I re-enable txcsum and rxcsum I get an immediate response > from the > > > > > dhcp > > > > > > server. > > > > > > > > > > > > Tried to remove the csum features by commenting out > > > > > > ifp->if_capabilities |= IFCAP_TXCSUM | IFCAP_RXCSUM; > > > > > > ifp->if_hwassist = AXE_CSUM_FEATURES; > > > > > > (lines 855 and 856 in /usr/src/sys/dev/usb/net/if_axe.c) > > > > > > and rebuild the module. This does remove RXCSUM and TXCSUM from > > > options > > > > > and > > > > > > behaves the same as disabling the features with ifconfig (i.e. > does > > > not > > > > > > work) > > > > > > > > > > > > 10.0-CURRENT r248351 > > > > > > > > > > > > Hope someone can help me... Spil. > > > > > > > > > > Last time I tried, checksum offloading worked as expected. > > > > > Would you show me the verbose dmesg output after attaching the > > > > > axe(4) NIC? > > > > > > > > >