2.\"
3.Dd June 3, 2003
4.Dt EN 4
5.Os
6.Sh NAME
7.Nm en
8.Nd device driver for Midway-based ATM interfaces
9.Sh SYNOPSIS
10.Cd "device en"
11.Cd "device atm"
12.Cd "device utopia"
13.Sh DESCRIPTION
14The
15.Nm
16device driver supports Midway-based ATM interfaces including the
17Efficient Networks, Inc. ENI-155 and Adaptec ANA-59x0.
18Midway is an AAL5 SAR (Segmentation and Reassembly) chip.
19.Pp
20For configuring the card for IP see
| 2.\"
3.Dd June 3, 2003
4.Dt EN 4
5.Os
6.Sh NAME
7.Nm en
8.Nd device driver for Midway-based ATM interfaces
9.Sh SYNOPSIS
10.Cd "device en"
11.Cd "device atm"
12.Cd "device utopia"
13.Sh DESCRIPTION
14The
15.Nm
16device driver supports Midway-based ATM interfaces including the
17Efficient Networks, Inc. ENI-155 and Adaptec ANA-59x0.
18Midway is an AAL5 SAR (Segmentation and Reassembly) chip.
19.Pp
20For configuring the card for IP see
|
22.Pp
23The following sysctls are recognized by the driver additionally to those
24handled by
25.Xr utopia 4 :
26.Bl -tag -width XXX
27.It Cm hw.atm.enX.istats
28Contains an array of
29.Vt uint32_t
30with internal driver statistics.
31.It Cm hw.atm.enX.debug
32This is a bit map of debugging options.
33This variable is only available when the driver is compiled with debugging
34support.
35.El
36.Pp
37The driver supports the media options
38.Ar sdh ,
39.Ar noscramb
40and
41.Ar unassigned
42(see
43.Xr utopia 4 ).
44.Sh DIAGNOSTICS
45.Bd -literal
46en0 <Efficient Networks ENI-155p> rev 0 int a irq 5 on pci0:16
47en0: ATM midway v0, board IDs 6.0, Utopia (pipelined), 512KB on-board RAM
48en0: maximum DMA burst length = 64 bytes
49en0: 7 32KB receive buffers, 8 32KB transmit buffers allocated
50.Ed
51.Sh CAVEATS
52The driver extensively uses DMA on PCI.
53The first
54generation PCI chipsets do not work or exhibit poor performance.
55.Sh SEE ALSO
56.Xr natm 4 ,
57.Xr natmip 4 ,
58.Xr utopia 4 ,
59.Xr ifconfig 8 ,
60.Xr route 8
61.Sh AUTHORS
62.An Chuck Cranor
63of Washington University implemented EN driver
64in 1996 for
65.Nx .
| 22.Pp
23The following sysctls are recognized by the driver additionally to those
24handled by
25.Xr utopia 4 :
26.Bl -tag -width XXX
27.It Cm hw.atm.enX.istats
28Contains an array of
29.Vt uint32_t
30with internal driver statistics.
31.It Cm hw.atm.enX.debug
32This is a bit map of debugging options.
33This variable is only available when the driver is compiled with debugging
34support.
35.El
36.Pp
37The driver supports the media options
38.Ar sdh ,
39.Ar noscramb
40and
41.Ar unassigned
42(see
43.Xr utopia 4 ).
44.Sh DIAGNOSTICS
45.Bd -literal
46en0 <Efficient Networks ENI-155p> rev 0 int a irq 5 on pci0:16
47en0: ATM midway v0, board IDs 6.0, Utopia (pipelined), 512KB on-board RAM
48en0: maximum DMA burst length = 64 bytes
49en0: 7 32KB receive buffers, 8 32KB transmit buffers allocated
50.Ed
51.Sh CAVEATS
52The driver extensively uses DMA on PCI.
53The first
54generation PCI chipsets do not work or exhibit poor performance.
55.Sh SEE ALSO
56.Xr natm 4 ,
57.Xr natmip 4 ,
58.Xr utopia 4 ,
59.Xr ifconfig 8 ,
60.Xr route 8
61.Sh AUTHORS
62.An Chuck Cranor
63of Washington University implemented EN driver
64in 1996 for
65.Nx .
|