Date: Thu, 30 Oct 2003 19:42:29 -0800 From: Lars Eggert <larse@ISI.EDU> To: eischen@vigrid.com Cc: current@freebsd.org Subject: Re: wi problem with message > 7400 bytes Message-ID: <3FA1DA25.5060501@isi.edu> In-Reply-To: <Pine.GSO.4.10.10310302037260.3366-100000@pcnet5.pcnet.com> References: <Pine.GSO.4.10.10310302037260.3366-100000@pcnet5.pcnet.com>
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[-- Attachment #1 --] Daniel Eischen wrote: > Greetings, > > I'm having a problem receiving UDP messages over a wi interface: > > wi1: <Dell TrueMobile 1150 Series PC Card> at port 0x180-0x1bf irq 11 function 0 config 1 on pccard0 > wi1: 802.11 address: 00:02:2d:4a:d8:7d > wi1: using Lucent Technologies, WaveLAN/IEEE > wi1: Lucent Firmware: Station (6.10.1) > wi1: 11b rates: 1Mbps 2Mbps 5.5Mbps 11Mbps > > (wi0 is also a 'Dell TrueMobile 1150 Series PC Card' in > a mini-PCI card, but hangs the system when you try and > configure it -- so it obviously isn't configured in this > set up.) > > I have a small program that does a trivial UDP test: > > http://people.freebsd.org/~deischen/udptest.c > > My results show that: > > o Receiving large (> 7400 bytes) messages does not work. > > o Sending large messages works. > > o Sending & receiving large messages over a wired > interface (dc, fxp, etc) works. > > Am I suppose to be able to receive UDP messages larger > than 7400 bytes over the air? Could you post a tcpdump for each case? I wonder if this is related to a fragmentation issue I've seen in the past. Thanks, Lars -- Lars Eggert <larse@isi.edu> USC Information Sciences Institute [-- Attachment #2 --] 0 *H 01 0 + 0 *H 080fErtcvE.0 *H 01 0 UZA10U Western Cape10U Cape Town10U Thawte Consulting1(0&U Certification Services Division1$0"UThawte Personal Freemail CA1+0) *H personal-freemail@thawte.com0 000830000000Z 040827235959Z01 0 UZA10U Western Cape10U Cape Town10 U Thawte1 0U Certificate Services1(0&U Personal Freemail RSA 2000.8.3000 *H 0 32c %E>nx'gڈD)c5*mp<ܮto034qmOe KaU5u'rװ |CBPQ<9TIf - ki N0L0)U "0 0 10UPrivateLabel1-2970U 0 0 U 0 *H 1KG]qSl]y=&b""I'{9$ *8PUl LGl X1B li+@]jy.%݊ Z<D&iHΥbb090 vo0 *H 01 0 UZA10U Western Cape10U Cape Town10 U Thawte1 0U Certificate Services1(0&U Personal Freemail RSA 2000.8.300 030801172929Z 040731172929Z0T10 UEggert1 0 U*Lars10U Lars Eggert1 0 *H larse@isi.edu0"0 *H 0 >ן~H(ԢGV׆־25B03ݰת^RIH =%J kA^R)y H80P ~qrU|c~\;ҋ^哪 !֍ &d@Cd"O"f$FrGe|r<z"%h+Z`3<}̘}9ʮcnb6RX ٫e~XgK7,ìEYU? V0T0*+e!0 00L2uMyffBNUbNJJcdZ2s0U 0 larse@isi.edu0 U 0 0 *H 5Kkt[@ jj:Fg Xj (8yPo!})5M[ ش]wʼnQd!GyFRiKd!8h\7γSD`a[qiY+Gqn?!090 vo0 *H 01 0 UZA10U Western Cape10U Cape Town10 U Thawte1 0U Certificate Services1(0&U Personal Freemail RSA 2000.8.300 030801172929Z 040731172929Z0T10 UEggert1 0 U*Lars10U Lars Eggert1 0 *H larse@isi.edu0"0 *H 0 >ן~H(ԢGV׆־25B03ݰת^RIH =%J kA^R)y H80P ~qrU|c~\;ҋ^哪 !֍ &d@Cd"O"f$FrGe|r<z"%h+Z`3<}̘}9ʮcnb6RX ٫e~XgK7,ìEYU? V0T0*+e!0 00L2uMyffBNUbNJJcdZ2s0U 0 larse@isi.edu0 U 0 0 *H 5Kkt[@ jj:Fg Xj (8yPo!})5M[ ش]wʼnQd!GyFRiKd!8h\7γSD`a[qiY+Gqn?!10001 0 UZA10U Western Cape10U Cape Town10 U Thawte1 0U Certificate Services1(0&U Personal Freemail RSA 2000.8.30 vo0 + 0 *H 1 *H 0 *H 1 031031034229Z0# *H 1X@"e=,"0R *H 1E0C0 *H 0*H 0 *H @0+0 *H (0 +71001 0 UZA10U Western Cape10U Cape Town10 U Thawte1 0U Certificate Services1(0&U Personal Freemail RSA 2000.8.30 vo0 *H 101 0 UZA10U Western Cape10U Cape Town10 U Thawte1 0U Certificate Services1(0&U Personal Freemail RSA 2000.8.30 vo0 *H (릪x- Qi$f=d!\mUy5ԽE9D 3D<PD Hp)Rpq(خwMk= m9WrhuW"S(b %S3~_3 'Ҩox*t6}Ɯz4TY8R bLv'`^tW tI^:>AC 2E^ Zrv.enll|0'?J
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