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4 3Com Vortex device driver
12 This document describes the usage and errata of the 3Com "Vortex" device
13 driver for Linux, 3c59x.c.
29 3c575-series Cardbus cards which used to be handled by 3c575_cb.c.
33 - 3c590 Vortex 10Mbps
34 - 3c592 EISA 10Mbps Demon/Vortex
35 - 3c597 EISA Fast Demon/Vortex
36 - 3c595 Vortex 100baseTx
37 - 3c595 Vortex 100baseT4
38 - 3c595 Vortex 100base-MII
39 - 3c900 Boomerang 10baseT
40 - 3c900 Boomerang 10Mbps Combo
41 - 3c900 Cyclone 10Mbps TPO
42 - 3c900 Cyclone 10Mbps Combo
43 - 3c900 Cyclone 10Mbps TPC
44 - 3c900B-FL Cyclone 10base-FL
45 - 3c905 Boomerang 100baseTx
46 - 3c905 Boomerang 100baseT4
47 - 3c905B Cyclone 100baseTx
48 - 3c905B Cyclone 10/100/BNC
49 - 3c905B-FX Cyclone 100baseFx
50 - 3c905C Tornado
51 - 3c920B-EMB-WNM (ATI Radeon 9100 IGP)
52 - 3c980 Cyclone
53 - 3c980C Python-T
54 - 3cSOHO100-TX Hurricane
55 - 3c555 Laptop Hurricane
56 - 3c556 Laptop Tornado
57 - 3c556B Laptop Hurricane
58 - 3c575 [Megahertz] 10/100 LAN CardBus
59 - 3c575 Boomerang CardBus
60 - 3CCFE575BT Cyclone CardBus
61 - 3CCFE575CT Tornado CardBus
62 - 3CCFE656 Cyclone CardBus
63 - 3CCFEM656B Cyclone+Winmodem CardBus
64 - 3CXFEM656C Tornado+Winmodem CardBus
65 - 3c450 HomePNA Tornado
66 - 3c920 Tornado
67 - 3c982 Hydra Dual Port A
68 - 3c982 Hydra Dual Port B
69 - 3c905B-T4
70 - 3c920B-EMB-WNM Tornado
79 options 3c59x debug=3 rx_copybreak=300
84 module "3c59x" opts "debug=3 rx_copybreak=300"
91 Where N is a number from 0 to 7. Anything above 3 produces a lot
97 network card. So if you have two 3c905's and you wish to provide
102 The individual options are composed of a number of bitfields which
111 3 10base2 (BNC)
121 When generating a value for the 'options' setting, the above media
134 insmod 3c59x options=0x204
141 Sets the ``options`` parameter for all 3c59x NICs in the machine.
156 Sets full duplex mode for all 3c59x NICs in the machine. Entries
161 Use 802.3x MAC-layer flow control. The 3com cards only support the
162 PAUSE command, which means that they will stop sending packets for a
163 short period if they receive a PAUSE frame from the link partner.
165 The driver only allows flow control on a link which is operating in
168 This feature does not appear to work on the 3c905 - only 3c905B and
169 3c905C have been tested.
171 The 3com cards appear to only respond to PAUSE frames which are
178 for receiving. When a packet arrives, the driver has to decide
180 a smaller buffer and copy the packet across into it.
182 This is a speed/space tradeoff.
191 transmit packets in a single invocation. It does this in a loop.
194 is exceeded the interrupt service routine gives up and generates a
199 Recent 3com NICs are able to generate IPv4, TCP and UDP checksums
200 in hardware. Linux has used the Rx checksumming for a long time.
209 decision. If you think that Tx checksums are causing a problem, you
216 The driver drops a message in the logfiles to indicate whether or
220 performance improvement for the sendfile() system call, but a small
248 Sets enable_wol mode for all 3c59x NICs in the machine. Entries in
254 A number of the older NICs such as the 3c590 and 3c900 series have
259 get stuck on the 10base2 port and a driver reload was necessary to
260 switch back to 10baseT. This behaviour could not be prevented with a
266 modprobe 3c59x options=0
275 This is a common error which is almost always caused by another host on
280 As a last resort, you can force the 3c59x driver into full-duplex mode
283 options 3c59x full_duplex=1
285 but this has to be viewed as a workaround for broken network gear and
315 3Com's DOS-based application for setting up the NICs EEPROMs:
317 ftp://ftp.3com.com/pub/nic/3c90x/3c90xx2.exe
323 The driver uses a one-minute heartbeat for adapting to changes in
325 This means that when, for example, a machine is unplugged from a hubbed
326 10baseT LAN plugged into a switched 100baseT LAN, the throughput
331 On a side note, adding HAS_NWAY seems to share a problem with the
335 we've noticed for a while but haven't had the time to track down.
346 If autonegotiation is a problem, you may need to specify "speed
361 If you believe you have a driver problem here are some of the
364 - Is it really a driver problem?
370 - OK, it's a driver problem.
372 You need to generate a report. Typically this is an email to the
376 - The contents of your report will vary a lot depending upon the
377 problem. If it's a kernel crash then you should refer to
384 - A copy of the banner message which the driver generates when
387 eth0: 3Com PCI 3c905C Tornado at 0xa400, 00:50:da:6a:88:f0, IRQ 19
388 8K byte-wide RAM 5:3 Rx:Tx split, autoselect/Autonegotiate interface.
393 a full detection message. Please do this::
395 modprobe 3c59x debug=2
397 - If it is a PCI device, the relevant output from 'lspci -vx', eg::
399 00:09.0 Ethernet controller: 3Com Corporation 3c905C-TX [Fast Etherlink] (rev 74)
400 Subsystem: 3Com Corporation: Unknown device 9200
409 30: 00 00 00 00 dc 00 00 00 00 00 00 00 05 01 0a 0a
411 - A description of the environment: 10baseT? 100baseT?
417 If this is a large file and you are sending your report to a
438 a) modprobe driver debug=7
445 3) Download you card's diagnostic tool from Donald
449 a) Run 'vortex-diag -aaee' and 'mii-diag -v' when the card is
456 end up working on this problem for a week or more as the maintainer