SOF_TIMESTAMPING_OPT_TX_SWHW 34 include/uapi/linux/net_tstamp.h SOF_TIMESTAMPING_LAST = SOF_TIMESTAMPING_OPT_TX_SWHW, SOF_TIMESTAMPING_OPT_TX_SWHW 4580 net/core/skbuff.c if (!hwtstamps && !(sk->sk_tsflags & SOF_TIMESTAMPING_OPT_TX_SWHW) &&