Thu Apr 23 15:55:14 2020 UTC ()
fix tyop


(jdolecek)
diff -r1.24 -r1.25 src/share/man/man4/sk.4
cvs diff -r1.24 -r1.25 src/share/man/man4/sk.4 (switch to unified diff)

--- src/share/man/man4/sk.4 2020/04/23 15:54:36 1.24
+++ src/share/man/man4/sk.4 2020/04/23 15:55:14 1.25
@@ -1,300 +1,300 @@ @@ -1,300 +1,300 @@
1.\" $NetBSD: sk.4,v 1.24 2020/04/23 15:54:36 jdolecek Exp $ 1.\" $NetBSD: sk.4,v 1.25 2020/04/23 15:55:14 jdolecek Exp $
2.\" 2.\"
3.\" Copyright (c) 2003, The NetBSD Foundation, Inc. 3.\" Copyright (c) 2003, The NetBSD Foundation, Inc.
4.\" All rights reserved. 4.\" All rights reserved.
5.\" 5.\"
6.\" Redistribution and use in source and binary forms, with or without 6.\" Redistribution and use in source and binary forms, with or without
7.\" modification, are permitted provided that the following conditions 7.\" modification, are permitted provided that the following conditions
8.\" are met: 8.\" are met:
9.\" 1. Redistributions of source code must retain the above copyright 9.\" 1. Redistributions of source code must retain the above copyright
10.\" notice, this list of conditions and the following disclaimer. 10.\" notice, this list of conditions and the following disclaimer.
11.\" 2. Redistributions in binary form must reproduce the above copyright 11.\" 2. Redistributions in binary form must reproduce the above copyright
12.\" notice, this list of conditions and the following disclaimer in the 12.\" notice, this list of conditions and the following disclaimer in the
13.\" documentation and/or other materials provided with the distribution. 13.\" documentation and/or other materials provided with the distribution.
14.\" 14.\"
15.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 15.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
16.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 16.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
17.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 17.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
18.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 18.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
19.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 19.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
20.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 20.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
21.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 21.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
22.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 22.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
23.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 23.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
24.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 24.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
25.\" POSSIBILITY OF SUCH DAMAGE. 25.\" POSSIBILITY OF SUCH DAMAGE.
26.\" 26.\"
27.\" $OpenBSD: sk.4,v 1.41 2006/08/16 22:01:56 kettenis Exp $ 27.\" $OpenBSD: sk.4,v 1.41 2006/08/16 22:01:56 kettenis Exp $
28.\" 28.\"
29.\" Copyright (c) 1997, 1998, 1999 29.\" Copyright (c) 1997, 1998, 1999
30.\" Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved. 30.\" Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved.
31.\" 31.\"
32.\" Redistribution and use in source and binary forms, with or without 32.\" Redistribution and use in source and binary forms, with or without
33.\" modification, are permitted provided that the following conditions 33.\" modification, are permitted provided that the following conditions
34.\" are met: 34.\" are met:
35.\" 1. Redistributions of source code must retain the above copyright 35.\" 1. Redistributions of source code must retain the above copyright
36.\" notice, this list of conditions and the following disclaimer. 36.\" notice, this list of conditions and the following disclaimer.
37.\" 2. Redistributions in binary form must reproduce the above copyright 37.\" 2. Redistributions in binary form must reproduce the above copyright
38.\" notice, this list of conditions and the following disclaimer in the 38.\" notice, this list of conditions and the following disclaimer in the
39.\" documentation and/or other materials provided with the distribution. 39.\" documentation and/or other materials provided with the distribution.
40.\" 3. All advertising materials mentioning features or use of this software 40.\" 3. All advertising materials mentioning features or use of this software
41.\" must display the following acknowledgement: 41.\" must display the following acknowledgement:
42.\" This product includes software developed by Bill Paul. 42.\" This product includes software developed by Bill Paul.
43.\" 4. Neither the name of the author nor the names of any co-contributors 43.\" 4. Neither the name of the author nor the names of any co-contributors
44.\" may be used to endorse or promote products derived from this software 44.\" may be used to endorse or promote products derived from this software
45.\" without specific prior written permission. 45.\" without specific prior written permission.
46.\" 46.\"
47.\" THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND 47.\" THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
48.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 48.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
49.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 49.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
50.\" ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD 50.\" ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
51.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 51.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
52.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 52.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
53.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 53.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
54.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 54.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
55.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 55.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
56.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 56.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
57.\" THE POSSIBILITY OF SUCH DAMAGE. 57.\" THE POSSIBILITY OF SUCH DAMAGE.
58.\" 58.\"
59.\" $FreeBSD: src/share/man/man4/man4.i386/sk.4,v 1.3 1999/08/28 00:20:29 peter Exp $ 59.\" $FreeBSD: src/share/man/man4/man4.i386/sk.4,v 1.3 1999/08/28 00:20:29 peter Exp $
60.\" 60.\"
61.Dd April 23, 2020 61.Dd April 23, 2020
62.Dt SK 4 62.Dt SK 4
63.Os 63.Os
64.Sh NAME 64.Sh NAME
65.Nm sk , 65.Nm sk ,
66.Nm skc , 66.Nm skc ,
67.Nm msk , 67.Nm msk ,
68.Nm mskc 68.Nm mskc
69.Nd SysKonnect XMAC II and Marvell GMAC based Gigabit Ethernet 69.Nd SysKonnect XMAC II and Marvell GMAC based Gigabit Ethernet
70.Sh SYNOPSIS 70.Sh SYNOPSIS
71.Cd "skc* at pci? dev ? function ?" 71.Cd "skc* at pci? dev ? function ?"
72.Cd "sk* at skc?" 72.Cd "sk* at skc?"
73.Cd "mskc* at pci? dev ? function ?" 73.Cd "mskc* at pci? dev ? function ?"
74.Cd "msk* at mskc?" 74.Cd "msk* at mskc?"
75.Sh DESCRIPTION 75.Sh DESCRIPTION
76The 76The
77.Nm sk 77.Nm sk
78driver provides support for SysKonnect based Gigabit Ethernet adapters 78driver provides support for SysKonnect based Gigabit Ethernet adapters
79and Marvell based Gigabit Ethernet adapters, including the following: 79and Marvell based Gigabit Ethernet adapters, including the following:
80.Pp 80.Pp
81.Bl -bullet -offset indent -compact 81.Bl -bullet -offset indent -compact
82.It 82.It
83SK-9821 SK-NET GE-T single port, copper adapter 83SK-9821 SK-NET GE-T single port, copper adapter
84.It 84.It
85SK-9822 SK-NET GE-T dual port, copper adapter 85SK-9822 SK-NET GE-T dual port, copper adapter
86.It 86.It
87SK-9841 SK-NET GE-LX single port, single mode fiber adapter 87SK-9841 SK-NET GE-LX single port, single mode fiber adapter
88.It 88.It
89SK-9842 SK-NET GE-LX dual port, single mode fiber adapter 89SK-9842 SK-NET GE-LX dual port, single mode fiber adapter
90.It 90.It
91SK-9843 SK-NET GE-SX single port, multimode fiber adapter 91SK-9843 SK-NET GE-SX single port, multimode fiber adapter
92.It 92.It
93SK-9844 SK-NET GE-SX dual port, multimode fiber adapter 93SK-9844 SK-NET GE-SX dual port, multimode fiber adapter
94.It 94.It
95SK-9521 V2.0 single port, copper adapter (32-bit) 95SK-9521 V2.0 single port, copper adapter (32-bit)
96.It 96.It
97SK-9821 V2.0 single port, copper adapter 97SK-9821 V2.0 single port, copper adapter
98.It 98.It
99SK-9843 V2.0 single port, copper adapter 99SK-9843 V2.0 single port, copper adapter
100.It 100.It
1013Com 3c940 single port, copper adapter 1013Com 3c940 single port, copper adapter
102.It 102.It
103Belkin Gigabit Desktop Network PCI Card, single port, copper (32-bit) 103Belkin Gigabit Desktop Network PCI Card, single port, copper (32-bit)
104.It 104.It
105D-Link DGE-530T single port, copper adapter 105D-Link DGE-530T single port, copper adapter
106.It 106.It
107Linksys EG1032v2 single-port, copper adapter 107Linksys EG1032v2 single-port, copper adapter
108.It 108.It
109Linksys EG1064v2 single-port, copper adapter 109Linksys EG1064v2 single-port, copper adapter
110.El 110.El
111.Pp 111.Pp
112The 112The
113.Nm msk 113.Nm msk
114driver provides support for the Marvell Yukon-2 based Gigabit Ethernet 114driver provides support for the Marvell Yukon-2 based Gigabit Ethernet
115adapters, including the following: 115adapters, including the following:
116.Pp 116.Pp
117.Bl -bullet -offset indent -compact 117.Bl -bullet -offset indent -compact
118.It 118.It
119Marvell Yukon 88E8035, copper adapter 119Marvell Yukon 88E8035, copper adapter
120.It 120.It
121Marvell Yukon 88E8036, copper adapter 121Marvell Yukon 88E8036, copper adapter
122.It 122.It
123Marvell Yukon 88E8038, copper adapter 123Marvell Yukon 88E8038, copper adapter
124.It 124.It
125Marvell Yukon 88E8050, copper adapter 125Marvell Yukon 88E8050, copper adapter
126.It 126.It
127Marvell Yukon 88E8052, copper adapter 127Marvell Yukon 88E8052, copper adapter
128.It 128.It
129Marvell Yukon 88E8053, copper adapter 129Marvell Yukon 88E8053, copper adapter
130.It 130.It
131Marvell Yukon 88E8055, copper adapter 131Marvell Yukon 88E8055, copper adapter
132.It 132.It
133SK-9E21 1000Base-T single port, copper adapter 133SK-9E21 1000Base-T single port, copper adapter
134.It 134.It
135SK-9E22 1000Base-T dual port, copper adapter 135SK-9E22 1000Base-T dual port, copper adapter
136.It 136.It
137SK-9E81 1000Base-SX single port, multimode fiber adapter 137SK-9E81 1000Base-SX single port, multimode fiber adapter
138.It 138.It
139SK-9E82 1000Base-SX dual port, multimode fiber adapter 139SK-9E82 1000Base-SX dual port, multimode fiber adapter
140.It 140.It
141SK-9E91 1000Base-LX single port, single mode fiber adapter 141SK-9E91 1000Base-LX single port, single mode fiber adapter
142.It 142.It
143SK-9E92 1000Base-LX dual port, single mode fiber adapter 143SK-9E92 1000Base-LX dual port, single mode fiber adapter
144.It 144.It
145SK-9S21 1000Base-T single port, copper adapter 145SK-9S21 1000Base-T single port, copper adapter
146.It 146.It
147SK-9S22 1000Base-T dual port, copper adapter 147SK-9S22 1000Base-T dual port, copper adapter
148.It 148.It
149SK-9S81 1000Base-SX single port, multimode fiber adapter 149SK-9S81 1000Base-SX single port, multimode fiber adapter
150.It 150.It
151SK-9S82 1000Base-SX dual port, multimode fiber adapter 151SK-9S82 1000Base-SX dual port, multimode fiber adapter
152.It 152.It
153SK-9S91 1000Base-LX single port, single mode fiber adapter 153SK-9S91 1000Base-LX single port, single mode fiber adapter
154.It 154.It
155SK-9S92 1000Base-LX dual port, single mode fiber adapter 155SK-9S92 1000Base-LX dual port, single mode fiber adapter
156.It 156.It
157SK-9E21D 1000Base-T single port, copper adapter 157SK-9E21D 1000Base-T single port, copper adapter
158.El 158.El
159.Pp 159.Pp
160The SysKonnect based adapters consist of two main components: the 160The SysKonnect based adapters consist of two main components: the
161XaQti Corp. XMAC II Gigabit MAC 161XaQti Corp. XMAC II Gigabit MAC
162.Pq Nm sk 162.Pq Nm sk
163and the SysKonnect GEnesis controller ASIC 163and the SysKonnect GEnesis controller ASIC
164.Pq Nm skc . 164.Pq Nm skc .
165The XMAC provides the Gigabit MAC and PHY support 165The XMAC provides the Gigabit MAC and PHY support
166while the GEnesis provides an interface to the PCI bus, DMA support, 166while the GEnesis provides an interface to the PCI bus, DMA support,
167packet buffering and arbitration. 167packet buffering and arbitration.
168The GEnesis can control up to two XMACs simultaneously, 168The GEnesis can control up to two XMACs simultaneously,
169allowing dual-port NIC configurations. 169allowing dual-port NIC configurations.
170.Pp 170.Pp
171The Marvell based adapters are a single integrated circuit, but are 171The Marvell based adapters are a single integrated circuit, but are
172still presented as a separate MAC 172still presented as a separate MAC
173.Pq Nm sk 173.Pq Nm sk
174and controller ASIC 174and controller ASIC
175.Pq Nm skc . 175.Pq Nm skc .
176At this time, there are no dual-port Marvell based NICs. 176At this time, there are no dual-port Marvell based NICs.
177.Pp 177.Pp
178The 178The
179.Nm 179.Nm
180driver configures dual port SysKonnect adapters such that each XMAC 180driver configures dual port SysKonnect adapters such that each XMAC
181is treated as a separate logical network interface. 181is treated as a separate logical network interface.
182Both ports can operate independently of each other and can be connected 182Both ports can operate independently of each other and can be connected
183to separate networks. 183to separate networks.
184The SysKonnect driver software currently only uses the second port on 184The SysKonnect driver software currently only uses the second port on
185dual port adapters for failover purposes: if the link 185dual port adapters for failover purposes: if the link
186on the primary port fails, the SysKonnect driver will automatically 186on the primary port fails, the SysKonnect driver will automatically
187switch traffic onto the second port. 187switch traffic onto the second port.
188.Pp 188.Pp
189The XaQti XMAC II supports full and half duplex operation with 189The XaQti XMAC II supports full and half duplex operation with
190autonegotiation. 190autonegotiation.
191The XMAC also supports unlimited frame sizes. 191The XMAC also supports unlimited frame sizes.
192Support for jumbo frames is provided via the interface MTU setting. 192Support for jumbo frames is provided via the interface MTU setting.
193Selecting an MTU larger than 1500 bytes with the 193Selecting an MTU larger than 1500 bytes with the
194.Xr ifconfig 8 194.Xr ifconfig 8
195utility configures the adapter to receive and transmit jumbo frames. 195utility configures the adapter to receive and transmit jumbo frames.
196Using jumbo frames can greatly improve performance for certain tasks, 196Using jumbo frames can greatly improve performance for certain tasks,
197such as file transfers and data streaming. 197such as file transfers and data streaming.
198.Pp 198.Pp
199Hardware TCP/IP checksum offloading for IPv4 is available but not 199Hardware TCP/IP checksum offloading for IPv4 is available but not
200supported by the driver. 200supported by the driver.
201.Pp 201.Pp
202The following media types and options (as given to 202The following media types and options (as given to
203.Xr ifconfig 8 ) 203.Xr ifconfig 8 )
204are supported: 204are supported:
205.Bl -tag -width xxx -offset indent 205.Bl -tag -width xxx -offset indent
206.It Cm media No autoselect 206.It Cm media No autoselect
207Enable autoselection of the media type and options. 207Enable autoselection of the media type and options.
208The user can manually override 208The user can manually override
209the autoselected mode. 209the autoselected mode.
210.\" by adding media options to the appropriate 210.\" by adding media options to the appropriate
211.Xr ifconfig.if 5 211.Xr ifconfig.if 5
212.\" file. 212.\" file.
213.It Cm media No 1000baseSX Cm mediaopt No full-duplex 213.It Cm media No 1000baseSX Cm mediaopt No full-duplex
214Set 1000Mbps (Gigabit Ethernet) operation on fiber and force full-duplex mode. 214Set 1000Mbps (Gigabit Ethernet) operation on fiber and force full-duplex mode.
215.It Cm media No 1000baseSX Cm mediaopt No half-duplex 215.It Cm media No 1000baseSX Cm mediaopt No half-duplex
216Set 1000Mbps (Gigabit Ethernet) operation on fiber and force half-duplex mode. 216Set 1000Mbps (Gigabit Ethernet) operation on fiber and force half-duplex mode.
217.It Cm media No 1000baseT Cm mediaopt No full-duplex 217.It Cm media No 1000baseT Cm mediaopt No full-duplex
218Set 1000Mbps (Gigabit Ethernet) operation and force full-duplex mode. 218Set 1000Mbps (Gigabit Ethernet) operation and force full-duplex mode.
219.El 219.El
220.Pp 220.Pp
221For more information on configuring this device, see 221For more information on configuring this device, see
222.Xr ifconfig 8 . 222.Xr ifconfig 8 .
223To view a list of media types and options supported by the card, try 223To view a list of media types and options supported by the card, try
224.Ic ifconfig Fl m Aq Mt device . 224.Ic ifconfig Fl m Aq Mt device .
225For example, 225For example,
226.Ic ifconfig Fl m Ar sk0 . 226.Ic ifconfig Fl m Ar sk0 .
227.Sh DIAGNOSTICS 227.Sh DIAGNOSTICS
228.Bl -diag 228.Bl -diag
229.It "sk%d: couldn't map memory" 229.It "sk%d: couldn't map memory"
230A fatal initialization error has occurred. 230A fatal initialization error has occurred.
231.It "sk%d: couldn't map ports" 231.It "sk%d: couldn't map ports"
232A fatal initialization error has occurred. 232A fatal initialization error has occurred.
233.It "sk%d: couldn't map interrupt" 233.It "sk%d: couldn't map interrupt"
234A fatal initialization error has occurred. 234A fatal initialization error has occurred.
235.It "sk%d: failed to enable memory mapping!" 235.It "sk%d: failed to enable memory mapping!"
236The driver failed to initialize PCI shared memory mapping. 236The driver failed to initialize PCI shared memory mapping.
237This might happen if the card is not in a bus-master slot. 237This might happen if the card is not in a bus-master slot.
238.It "sk%d: no memory for jumbo buffers!" 238.It "sk%d: no memory for jumbo buffers!"
239The driver failed to allocate memory for jumbo frames during 239The driver failed to allocate memory for jumbo frames during
240initialization. 240initialization.
241.It "sk%d: watchdog timeout" 241.It "sk%d: watchdog timeout"
242The device has stopped responding to the network, or there is a problem with 242The device has stopped responding to the network, or there is a problem with
243the network connection (cable). 243the network connection (cable).
244.El 244.El
245.Sh SEE ALSO 245.Sh SEE ALSO
246.Xr ifmedia 4 , 246.Xr ifmedia 4 ,
247.Xr intro 4 , 247.Xr intro 4 ,
248.Xr netintro 4 , 248.Xr netintro 4 ,
249.Xr pci 4 , 249.Xr pci 4 ,
250.Xr ifconfig.if 5 , 250.Xr ifconfig.if 5 ,
251.Xr ifconfig 8 251.Xr ifconfig 8
252.Rs 252.Rs
253.%T XaQti XMAC II datasheet 253.%T XaQti XMAC II datasheet
254.%U http://www.xaqti.com 254.%U http://www.xaqti.com
255.Re 255.Re
256.Rs 256.Rs
257.%T SysKonnect GEnesis programming manual 257.%T SysKonnect GEnesis programming manual
258.%U http://www.syskonnect.com 258.%U http://www.syskonnect.com
259.Re 259.Re
260.Sh HISTORY 260.Sh HISTORY
261The 261The
262.Nm 262.Nm
263device driver first appeared in 263device driver first appeared in
264.Fx 3.0 . 264.Fx 3.0 .
265.Ox 265.Ox
266support was added in 266support was added in
267.Ox 2.6 . 267.Ox 2.6 .
268.Nx 268.Nx
269support was added in 269support was added in
270.Nx 2.0 . 270.Nx 2.0 .
271.Pp 271.Pp
272The 272The
273.Nm msk 273.Nm msk
274driver first appeared in 274driver first appeared in
275.Ox 4.0 , 275.Ox 4.0 ,
276and was ported to 276and was ported to
277.Nx 4.0 . 277.Nx 4.0 .
278.Sh AUTHORS 278.Sh AUTHORS
279.An -nosplit 279.An -nosplit
280The 280The
281.Nm 281.Nm
282driver was written by 282driver was written by
283.An Bill Paul Aq Mt wpaul@ctr.columbia.edu . 283.An Bill Paul Aq Mt wpaul@ctr.columbia.edu .
284Support for the Marvell Yukon-2 was added by 284Support for the Marvell Yukon-2 was added by
285.An Mark Kettenis Aq Mt kettenis@openbsd.org . 285.An Mark Kettenis Aq Mt kettenis@openbsd.org .
286.Sh BUGS 286.Sh BUGS
287Support for checksum offload is unimplemented. 287Support for checksum offload is unimplemented.
288Particularly for Yukon-II hardware, there are multiple different 288Particularly for Yukon-II hardware, there are multiple different
289receive and transmit offload silicon bugs which have to be worked 289receive and transmit offload silicon bugs which have to be worked
290around in software when using hardware offloading. 290around in software when using hardware offloading.
291For this reason, support for hardware offloading 291For this reason, support for hardware offloading
292is not very desirable for therse controllers, and unlikely to be 292is not very desirable for these controllers, and unlikely to be
293ever implemented. 293ever implemented.
294.Pp 294.Pp
295Performance with at least some Marvell-based adapters is poor, 295Performance with at least some Marvell-based adapters is poor,
296especially on loaded PCI buses or when the adapters are behind 296especially on loaded PCI buses or when the adapters are behind
297PCI-PCI bridges. 297PCI-PCI bridges.
298It is believed that this is because the Marvell parts have 298It is believed that this is because the Marvell parts have
299significantly less buffering than the original SysKonnect cards 299significantly less buffering than the original SysKonnect cards
300had. 300had.