PCAP_SET_TSTAMP_TYPE(3)                       FreeBSD Library Functions Manual

NAME

     pcap_set_tstamp_type - set the time stamp type to be used by a capture
     device

SYNOPSIS

     #include <pcap/pcap.h>

     int pcap_set_tstamp_type(pcap_t *p, int tstamp_type);

DESCRIPTION

     pcap_set_tstamp_type() sets the type of time stamp desired for packets
     captured on the pcap descriptor to the type specified by tstamp_type.  It
     must be called on a pcap descriptor created by pcap_create(3) that has
     not yet been activated by pcap_activate(3).  pcap_list_tstamp_types(3)
     will give a list of the time stamp types supported by a given capture
     device.  See pcap-tstamp(7) for a list of all the time stamp types.

RETURN VALUE

     pcap_set_tstamp_type() returns 0 on success if the specified time stamp
     type is expected to be supported by the capture device,
     PCAP_WARNING_TSTAMP_TYPE_NOTSUP if the specified time stamp type is not
     supported by the capture device, PCAP_ERROR_ACTIVATED if called on a
     capture handle that has been activated, and
     PCAP_ERROR_CANTSET_TSTAMP_TYPE if the capture device doesn't support
     setting the time stamp type (only older versions of libpcap will return
     that; newer versions will always allow the time stamp type to be set to
     the default type).

BACKWARD COMPATIBILITY

     This function became available in libpcap release 1.2.1.  In previous
     releases, the time stamp type cannot be set; only the default time stamp
     type offered by a capture source is available.

SEE ALSO

     pcap(3), pcap_tstamp_type_name_to_val(3)

                               8 September 2019        PCAP_SET_TSTAMP_TYPE(3)