On Tue, Oct 24, 2006 at 06:34:55PM +0200, Karel Kulhavy wrote: > How do I do this C call taken from a Linux program on OpenBSD? > > socket(PF_PACKET, SOCK_RAW, htons(0x4254)) > > man socket on OpenBSD offers AF_ISO (ISO protocols) which sounds like it > could be access to individual ISO stack layers including layer 2? However > the string ISO is not mentioned anywhere else in the manual page so the > documentation on this seems to be missing (completeness of manual pages, > hee, OpenBSD?) >
AF_ISO is no longer. Somebody forgot to clean the man pages after sending the netiso stack to the attic. Btw. AF_ISO was an implementation of the OSI/ISO network stack and has nothing to do with layer 2. > "The types SOCK_RAW, which is available only to the superuser, and SOCK_RDM, > which is planned, but not yet implemented, are not described here." > > Is SOCK_RAW described anywhere else in the OpenBSD manpages? If yes, where? > ip(4) and ip6(4). > The SEE ALSO section doesn't also contain any entries which would evoke > relation to AF_ISO or SOCK_RAW. > > I basically need to fill in my own Ethernet frame, including DST and SRC MAC, > with 3 possible patterns - random data, all zeroes, or alternating 01010101, > and send lots of packets of this type. Then calculate from ifconfig how many > were received on loopback and calculate bit error rate of the link for > different electrical frequencies occuring in the data stream. > Sounds like you are implementing a BER tester. You should use bpf(4) for this as it gives you direct access to the device. -- :wq Claudio PS: I could use a BER tester from time to time as well :)
