HWSTAMP_CTL(8) System Manager's Manual HWSTAMP_CTL(8) (NAME) hwstamp_ctl - (time stamping) (SYNOPSIS) hwstamp_ctl -i interface [ -r rx-filter ] [ -t tx-type ] [ -v ] (DESCRIPTION) hwstamp_ctl SIOCSHWTSTAMP ioctl(2) . tx-type rx-filter . . tx-type rx-filter SIOCGHWTSTAMP ioctl(2) . . ptp4l(8) . (OPTIONS) -i interface . -r rx-filter rx-filter . -t tx-type tx-type . -h rx-filter tx-type. -v . (SEE ALSO) ioctl(2), ptp4l(8) linuxptp June 2014 HWSTAMP_CTL(8)