idpf_ptp_tx_tstamp
struct idpf_ptp_tx_tstamp *ptp_tx_tstamp;
ptp_tx_tstamp = list_first_entry(head, struct idpf_ptp_tx_tstamp,
struct idpf_ptp_tx_tstamp *ptp_tx_tstamp, *tmp;
struct idpf_ptp_tx_tstamp *ptp_tx_tstamp, *tmp;
struct idpf_ptp_tx_tstamp *ptp_tx_tstamp)
struct idpf_ptp_tx_tstamp *tx_tstamp, *tmp;
struct idpf_ptp_tx_tstamp *ptp_tx_tstamp;