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@(#)il.4 6.4 (Berkeley) 06/01/86
Each of the host's network addresses is specified at boot time with an SIOCSIFADDR ioctl. The il interface employs the address resolution protocol described in arp (4P) to dynamically map between Internet and Ethernet addresses on the local network.
The interface normally tries to use a ``trailer'' encapsulation to minimize copying data on input and output. The use of trailers is negotiated with ARP. This negotiation may be disabled, on a per-interface basis, by setting the IFF_NOTRAILERS flag with an SIOCSIFFLAGS ioctl.
il%d: can't handle af%d. The interface was handed a message with addresses formatted in an unsuitable address family; the packet was dropped.
il%d: setaddr didn't work. The interface was unable to reprogram its physical ethernet address. This may happen with very early models of the interface. This facility is used only when the controller is not the first network interface configured for XNS. The oldest interface tested (2.7.1.0.1.45) has never failed in this way.
The following messages indicate a probable hardware error performing the indicated operation during autoconfiguration or initialization. The status field in the control and status register (the low-order four bits) should indicate the nature of the failure. See the hardware manual for details.
il%d: reset failed, csr=%b.
il%d: status failed, csr=%b.
il%d: hardware diag failed, csr=%b.
il%d: verifying setaddr, csr=%b.
il%d: stray xmit interrupt, csr=%b.
il%d: can't initialize.