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28 .Nd 3Com Etherlink XL device driver
34 driver provides support for the 3Com Etherlink XL
35 family of Ethernet and Fast Ethernet PCI controllers.
36 These are often known by their part numbers, most often 3c905 or 3c900 variants.
38 The 3c905 devices generally support some form of 100 Mbps Ethernet,
39 whereas the 3c900 devices usually only support 10 Mbps.
40 Some devices support legacy media such as 10BASE-15, 10BASE-2, and even
43 Where applicable, the devices support auto-negotiation, both full and
45 They also support full size MTUs (1500 bytes), even when used with VLANs.
48 The device driver supports the
50 properties, which can be configured with
53 In addition, for devices with multiple external media ports, the driver
54 supports a driver-specific
58 which can take one of the following values, depending on the available
59 media options on the device:
61 .Bl -tag -compact -offset indent -width Sy
63 Media Indendent Interface (MII), also 100BASE-TX
65 10 Mbps twisted pair, half-duplex
67 10 Mbps twisted pair full-duplex
69 100BASE-FX (fiber), half-duplex
71 100BASE-FX (fiber), full-duplex
74 .Pq BNC, aka Dq thin-net
79 10BASE-FL (fiber), half-duplex
81 10BASE-FL (fiber), full-duplex
84 The specific media options available can be queried with the
90 .Bl -tag -width /dev/elxl
92 Special character device.
101 .%T IEEE 802.3: Ethernet
102 .%Q IEEE Standards Association