On Fri, Feb 13, 2015 at 6:19 PM, Stuart Henderson <st...@openbsd.org> wrote: > In sys/net/if_media.c r1.19 (2007/12/20) the return code for unknown > ioctl requests was changed from EINVAL to ENOTTY. > > libpcap uses a SIOCGIFMEDIA to determine whether an interface can use > rfmon mode; this change breaks this. Noticed because wireshark doesn't > identify the correct DLT for interfaces (like pflog0 or lo0) which > don't support this ioctl. > > Diff below allows libpcap to accept either EINVAL or ENOTTY as "can't > lookup capabilities so just say the device doesn't support it". It might > be appropriate to just replace the existing EINVAL case but I thought > this would be safer for now (in case some interface does have a specific > handler for SIOCGIFMEDIA which returns EINVAL). > > OK?
Yes, ok with me. ciao, David
