GEM(4) | Kernel Interfaces Manual | GEM(4) |
Configuration of PHYs may also be necessary. See mii(4).
Cards supported by this driver include:
The GEM family supports hardware checksumming to assist in computing IPv4 TCP checksums. The gem driver supports this feature of the chip. See ifconfig(8) for information on how to enable this feature.
Sun Microsystems, GEM Gigabit Ethernet ASIC Specification, http://www.sun.com/processors/manuals/ge.pdf.
Sun Microsystems, Sbus GEM Specification, http://mediacast.sun.com/users/Barton808/media/gem_sbus-1.pdf.
On the SX fibre variants of the hardware, the link will stay down if there is a duplex mismatch. Also, packet transmission may fail when in half-duplex mode.
September 15, 2008 | NetBSD 6.1 |