| patm.4 (131797) | patm.4 (208027) |
|---|---|
| 1.\" 2.\" Copyright (c) 2003 3.\" Fraunhofer Institute for Open Communication Systems (FhG Fokus). 4.\" All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: --- 12 unchanged lines hidden (view full) --- 21.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25.\" SUCH DAMAGE. 26.\" 27.\" Author: Hartmut Brandt <harti@FreeBSD.org> 28.\" | 1.\" 2.\" Copyright (c) 2003 3.\" Fraunhofer Institute for Open Communication Systems (FhG Fokus). 4.\" All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: --- 12 unchanged lines hidden (view full) --- 21.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25.\" SUCH DAMAGE. 26.\" 27.\" Author: Hartmut Brandt <harti@FreeBSD.org> 28.\" |
| 29.\" $FreeBSD: head/share/man/man4/patm.4 131797 2004-07-08 10:31:12Z ru $ | 29.\" $FreeBSD: head/share/man/man4/patm.4 208027 2010-05-13 12:07:55Z uqs $ |
| 30.\" 31.\" patm(4) man page 32.\" 33.Dd July 15, 2003 34.Dt PATM 4 35.Os 36.Sh NAME 37.Nm patm --- 111 unchanged lines hidden (view full) --- 149patm1: <NICStAR (77222/77252) ATM adapter> port 0xc000-0xc0ff mem 0xf8000000-0xf83fffff,0xf4000000-0xf4000fff irq 11 at device 8.0 on pci2 150patm1: IDT77252 155MBit interface; idt77252 Rev. G; IDT77155 PHY 151patm1: 128K x 32 SRAM; 4096 connections 152.Ed 153.Sh SEE ALSO 154.Xr natm 4 , 155.Xr natmip 4 , 156.Xr utopia 4 | 30.\" 31.\" patm(4) man page 32.\" 33.Dd July 15, 2003 34.Dt PATM 4 35.Os 36.Sh NAME 37.Nm patm --- 111 unchanged lines hidden (view full) --- 149patm1: <NICStAR (77222/77252) ATM adapter> port 0xc000-0xc0ff mem 0xf8000000-0xf83fffff,0xf4000000-0xf4000fff irq 11 at device 8.0 on pci2 150patm1: IDT77252 155MBit interface; idt77252 Rev. G; IDT77155 PHY 151patm1: 128K x 32 SRAM; 4096 connections 152.Ed 153.Sh SEE ALSO 154.Xr natm 4 , 155.Xr natmip 4 , 156.Xr utopia 4 |
| 157.Sh ACKNOWLEDGEMENTS 158Thanks to Christian Bucari from ProSum for lending two of these cards to enable 159the development of this driver. 160Thanks also for answering my questions. 161.Sh AUTHORS 162.An Harti Brandt Aq harti@FreeBSD.org |
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| 157.Sh CAVEATS 158The card fails to generate an interrupt if a cell is received in AAL0 mode 159that has the MSB of the PTI field cleared. 160Therefore cells will be delivered on the next receive interrupt which can happen 161either when the receive status queue is full, or a cell with the last bit of 162the PTI set is received. 163.Pp 164Although the card supports AAL3/4 the driver does not. --- 14 unchanged lines hidden (view full) --- 179there is no (known to me) way to figure out the actual medium. 180The medium should really be coded in the EEPROM by the manufacturer. 181.Pp 182The Tx cell counter in the utopia statistics is wrong, because the chip 183uses idle cells for spacing and the PHY counts these cells. 184While there is a configuration option for the chip to switch of these cells 185and, according to the documentation, this should not influence cell spacing, 186it does, so the driver lets the chip generate idle cells. | 163.Sh CAVEATS 164The card fails to generate an interrupt if a cell is received in AAL0 mode 165that has the MSB of the PTI field cleared. 166Therefore cells will be delivered on the next receive interrupt which can happen 167either when the receive status queue is full, or a cell with the last bit of 168the PTI set is received. 169.Pp 170Although the card supports AAL3/4 the driver does not. --- 14 unchanged lines hidden (view full) --- 185there is no (known to me) way to figure out the actual medium. 186The medium should really be coded in the EEPROM by the manufacturer. 187.Pp 188The Tx cell counter in the utopia statistics is wrong, because the chip 189uses idle cells for spacing and the PHY counts these cells. 190While there is a configuration option for the chip to switch of these cells 191and, according to the documentation, this should not influence cell spacing, 192it does, so the driver lets the chip generate idle cells. |
| 187.Sh ACKNOWLEDGEMENTS 188Thanks to Christian Bucari from ProSum for lending two of these cards to enable 189the development of this driver. 190Thanks also for answering my questions. 191.Sh AUTHORS 192.An Harti Brandt Aq harti@FreeBSD.org | |