ts_first_pkt 235 include/uapi/linux/if_packet.h struct tpacket_bd_ts ts_first_pkt, ts_last_pkt; ts_first_pkt 824 net/packet/af_packet.c h1->ts_first_pkt.ts_sec = ts.tv_sec; ts_first_pkt 825 net/packet/af_packet.c h1->ts_first_pkt.ts_nsec = ts.tv_nsec;