| en.4 (75670) | en.4 (76175) |
|---|---|
| 1.\" $FreeBSD: head/share/man/man4/en.4 75670 2001-04-18 15:54:10Z ru $ | 1.\" $FreeBSD: head/share/man/man4/en.4 76175 2001-05-01 09:15:30Z schweikh $ |
| 2.\" 3.Dd December 29, 1997 4.Dt EN 4 i386 5.Os 6.Sh NAME 7.Nm en 8.Nd device driver for Midway-based ATM interfaces 9.Sh SYNOPSIS 10.Cd "device en" | 2.\" 3.Dd December 29, 1997 4.Dt EN 4 i386 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 "pseudo-device atm" | 11.Cd "device atm" |
| 12.Sh DESCRIPTION | 12.Sh DESCRIPTION |
| 13The | 13The |
| 14.Nm 15device driver supports Midway-based ATM interfaces including the 16Efficient Networks, Inc. ENI-155 and Adaptec ANA-59x0. 17Midway is an ALL5 SAR (Segmentation and Reassenbly) chip. 18.Pp 19The driver only supports ATM PVCs. SVC or ATM-ARP is not supported. 20.Pp 21To configure the card for IP, use something like: 22.Dl # ifconfig en0 128.252.200.1 netmask 0xffffff00 up 23To add a PVC to a host you must use the ``route'' command: 24.Dl # route add -iface <remote IP address> -link en0:z.0.x.y 25where x and y are the byte encoding of the VCI to use, and z is the 26byte encoding of the following flags. | 14.Nm 15device driver supports Midway-based ATM interfaces including the 16Efficient Networks, Inc. ENI-155 and Adaptec ANA-59x0. 17Midway is an ALL5 SAR (Segmentation and Reassenbly) chip. 18.Pp 19The driver only supports ATM PVCs. SVC or ATM-ARP is not supported. 20.Pp 21To configure the card for IP, use something like: 22.Dl # ifconfig en0 128.252.200.1 netmask 0xffffff00 up 23To add a PVC to a host you must use the ``route'' command: 24.Dl # route add -iface <remote IP address> -link en0:z.0.x.y 25where x and y are the byte encoding of the VCI to use, and z is the 26byte encoding of the following flags. |
| 27.Dl 0x01 (use AAL5), | 27.Dl 0x01 (use AAL5), |
| 28.Dl 0x02 (if using AAL5, use a LLCSNAP header) 29Thus, parameter 3 means AAL5 and LLC/SNAP encapsulation. 30Note that BPF works only with LLC/SNAP encapsulation. 31.Sh EXAMPLES 32Suppose you have 2 hosts 128.252.200.1 and 128.252.200.2 connected | 28.Dl 0x02 (if using AAL5, use a LLCSNAP header) 29Thus, parameter 3 means AAL5 and LLC/SNAP encapsulation. 30Note that BPF works only with LLC/SNAP encapsulation. 31.Sh EXAMPLES 32Suppose you have 2 hosts 128.252.200.1 and 128.252.200.2 connected |
| 33by ATM through PVC # 201 (0xc9). | 33by ATM through PVC # 201 (0xc9). |
| 34To enable the link use the following commands: 35.Dl on host 128.252.200.1: 36.Dl # ifconfig en0 128.252.200.1 netmask 0xffffff00 up 37.Dl # route add -iface 128.252.200.2 -link en0:3.0.0.c9 38.Pp 39.Dl on host 128.252.200.2: 40.Dl # ifconfig en0 128.252.200.2 netmask 0xffffff00 up 41.Dl # route add -iface 128.252.200.1 -link en0:3.0.0.c9 --- 4 unchanged lines hidden (view full) --- 46en0: maximum DMA burst length = 64 bytes 47en0: 7 32KB receive buffers, 8 32KB transmit buffers allocated 48.Ed 49.Sh CAVEATS 50The driver extensively uses DMA on PCI. 51The first 52generation PCI chipsets do not work or exhibit poor performance. 53.Sh SEE ALSO | 34To enable the link use the following commands: 35.Dl on host 128.252.200.1: 36.Dl # ifconfig en0 128.252.200.1 netmask 0xffffff00 up 37.Dl # route add -iface 128.252.200.2 -link en0:3.0.0.c9 38.Pp 39.Dl on host 128.252.200.2: 40.Dl # ifconfig en0 128.252.200.2 netmask 0xffffff00 up 41.Dl # route add -iface 128.252.200.1 -link en0:3.0.0.c9 --- 4 unchanged lines hidden (view full) --- 46en0: maximum DMA burst length = 64 bytes 47en0: 7 32KB receive buffers, 8 32KB transmit buffers allocated 48.Ed 49.Sh CAVEATS 50The driver extensively uses DMA on PCI. 51The first 52generation PCI chipsets do not work or exhibit poor performance. 53.Sh SEE ALSO |
| 54.Xr ifconfig 8 , 55.Xr pvcsif 8 , | 54.Xr ifconfig 8 , 55.Xr pvcsif 8 , |
| 56.Xr pvctxctl 8 , 57.Xr route 8 58.Sh AUTHORS 59.An Chuck Cranor 60of Washington University implemented EN driver | 56.Xr pvctxctl 8 , 57.Xr route 8 58.Sh AUTHORS 59.An Chuck Cranor 60of Washington University implemented EN driver |
| 61in 1996 for | 61in 1996 for |
| 62.Nx . | 62.Nx . |