xref: /netbsd-src/share/man/man4/ti.4 (revision a79bc505d21c5c261302c365e8ef1df1df8e88fb)
1.\"	$NetBSD: ti.4,v 1.14 2018/05/09 08:04:06 wiz Exp $
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3.\" Copyright (c) 1997, 1998, 1999
4.\"	Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved.
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33.\" FreeBSD Id: src/share/man/man4/ti.4,v 1.5 2000/01/23 16:13:24 asmodai Exp
34.\"
35.Dd June 2, 2001
36.Dt TI 4
37.Os
38.Sh NAME
39.Nm ti
40.Nd
41Alteon Networks Tigon I and Tigon II Gigabit
42.Tn Ethernet
43driver
44.Sh SYNOPSIS
45.Cd "ti* at pci? dev ? function ?"
46.Sh DESCRIPTION
47The
48.Nm
49driver provides support for PCI Gigabit
50.Tn Ethernet
51adapters based on the Alteon Networks Tigon Gigabit
52.Tn Ethernet
53controller chip.
54The Tigon contains an embedded R4000 CPU, Gigabit MAC, dual DMA channels
55and a PCI interface unit.
56The Tigon II contains two R4000 CPUs and other refinements.
57Either chip can be used in either a 32-bit or 64-bit PCI slot.
58Communication with the chip is achieved via PCI shared memory
59and bus master DMA.
60The Tigon I and II support hardware multicast address filtering,
61VLAN tag extraction and insertion, and jumbo
62.Tn Ethernet
63frames sizes up to 9000 bytes.
64Note that the Tigon I chipset is no longer in active production:
65all new adapters should come equipped with Tigon II chipsets.
66.Pp
67There are several PCI boards available from both Alteon and other
68vendors that use the Tigon chipset under OEM contract.
69The
70.Nm
71driver has been tested with the following Tigon-based adapters:
72.Bl -bullet -offset indent
73.It
74The Alteon AceNIC V Gigabit (1000BASE-SX and 1000BASE-T variants)
75.Tn Ethernet
76adapter
77.It
78The 3Com 3c985-SX Gigabit
79.Tn Ethernet
80adapter
81.It
82The Netgear GA620 Gigabit (1000BASE-SX and 1000BASE-T variants)
83.Tn Ethernet
84adapter
85.It
86The Digital EtherWORKS 1000SX PCI Gigabit Adapter (DEGPA)
87.El
88.Pp
89The following should also be supported but have not yet been tested:
90.Bl -bullet -offset indent
91.It
92Silicon Graphics PCI Gigabit
93.Tn Ethernet
94adapter
95.El
96.Pp
97While the Tigon chipset supports 10, 100 and 1000Mbps speeds, support for
9810 and 100Mbps speeds is only available on boards with the proper
99transceivers.
100Most adapters are only designed to work at 1000Mbps, however the driver
101should support those NICs that work at lower speeds as well.
102.Pp
103Support for jumbo frames is provided via the interface MTU setting.
104Selecting an MTU larger than 1500 bytes with the
105.Xr ifconfig 8
106utility configures the adapter to receive and transmit jumbo frames.
107Using jumbo frames can greatly improve performance for certain tasks,
108such as file transfers and data streaming.
109.Pp
110The
111.Nm
112driver supports the following media types:
113.Pp
114.Bl -tag -width xxxxxxxxxxxxxxxxxxxx
115.It autoselect
116Enable autoselection of the media type and options.
117.It 10baseT/UTP
118Set 10Mbps operation.
119The
120.Ar mediaopt
121option can also be used to select either
122.Ar full-duplex
123or
124.Ar half-duplex modes .
125.It 100baseTX
126Set 100Mbps (fast
127.Tn Ethernet )
128operation.
129The
130.Ar mediaopt
131option can also be used to select either
132.Ar full-duplex
133or
134.Ar half-duplex
135modes.
136.It 1000baseSX
137Set 1000Mbps (Gigabit
138.Tn Ethernet over multimode fiber ) operation.
139Only full
140.Ar full-duplex
141mode is supported at this speed.
142.It 1000baseT
143Set 1000Mbps (Gigabit
144.Tn Ethernet over twisted pair ) operation.
145Only full
146.Ar full-duplex
147mode is supported at this speed.
148.El
149.Pp
150The
151.Nm
152driver supports the following media options:
153.Pp
154.Bl -tag -width xxxxxxxxxxxxxxxxxxxx
155.It full-duplex
156Force full duplex operation.
157.It half-duplex
158Force half duplex operation.
159.El
160.Pp
161The Alteon Tigon and Tigon II support IPv4/TCP/UDP checksumming in
162hardware.
163The
164.Nm
165supports this feature of the chip's firmware.
166See
167.Xr ifconfig 8
168for information on how to enable this feature.
169.Pp
170For more information on configuring this device, see
171.Xr ifconfig 8 .
172.Sh DIAGNOSTICS
173.Bl -diag
174.It "ti%d: can't map memory space"
175A fatal initialization error has occurred.
176.It "ti%d: couldn't map / establish interrupt"
177A fatal initialization error has occurred.
178.It "ti%d: jumbo buffer allocation failed"
179The driver failed to allocate memory for jumbo frames during
180initialization.
181.It "ti%d: bios thinks we're in a 64 bit slot, but we aren't"
182The BIOS has programmed the NIC as though it had been installed in
183a 64-bit PCI slot, but in fact the NIC is in a 32-bit slot.
184This happens as a result of a bug in some BIOSes.
185This can be worked around on the Tigon II, but on the Tigon I
186initialization will fail.
187.It "ti%d: board self-diagnostics failed!"
188The ROMFAIL bit in the CPU state register was set after system
189startup, indicating that the on-board NIC diagnostics failed.
190.It "ti%d: unknown hwrev"
191The driver detected a board with an unsupported hardware revision.
192The
193.Nm
194driver supports revision 4 (Tigon 1) and revision 6 (Tigon 2) chips
195and has firmware only for those devices.
196.It "ti%d: watchdog timeout"
197The device has stopped responding to the network, or there is a problem with
198the network connection (cable).
199.El
200.Sh SEE ALSO
201.Xr netintro 4 ,
202.Xr pci 4 ,
203.Xr ifconfig 8
204.Sh HISTORY
205The
206.Nm
207device driver first appeared in
208.Nx 1.4.2 .
209.Sh AUTHORS
210The
211.Nm
212driver was written by
213.An Bill Paul Aq Mt wpaul@ctr.columbia.edu .
214.Sh BUGS
215The driver currently tries to access some on-board memory transparently.
216This mapping (BUS_SPACE_MAP_LINEAR) fails on systems where the corresponding
217PCI memory range is located in "sparse" space only.
218.Pp
219This driver currently does not work on big-endian systems.
220