net/ipv4/tcp.c

750 	struct tcp_splice_state *tss = rd_desc->arg.data;
753 	ret = skb_splice_bits(skb, skb->sk, offset, tss->pipe,
754 			      min(rd_desc->count, len), tss->flags);
760 static int __tcp_splice_read(struct sock *sk, struct tcp_splice_state *tss)
764 		.arg.data = tss,
765 		.count	  = tss->len,
788 	struct tcp_splice_state tss = {
809 	while (tss.len) {
810 		ret = __tcp_splice_read(sk, &tss);
851 		tss.len -= ret;
854 		if (!tss.len || !timeo)
1735 			     struct scm_timestamping_internal *tss)
1738 		tss->ts[0] = ktime_to_timespec64(skb->tstamp);
1740 		tss->ts[0] = (struct timespec64) {0};
1743 		tss->ts[2] = ktime_to_timespec64(skb_hwtstamps(skb)->hwtstamp);
1745 		tss->ts[2] = (struct timespec64) {0};
1860 			      int flags, struct scm_timestamping_internal *tss,
1864 				    struct scm_timestamping_internal *tss)
1882 				 tss, &zc->msg_flags);
1927 				  struct scm_timestamping_internal *tss)
1939 			tcp_update_recv_tstamps(skb, tss);
2032 				      struct scm_timestamping_internal *tss)
2047 		tcp_recv_timestamp(&cmsg_dummy, sk, tss);
2084 				struct scm_timestamping_internal *tss)
2113 		return receive_fallback_to_copy(sk, zc, inq, tss);
2158 				tcp_update_recv_tstamps(skb, tss);
2206 		copylen = tcp_zc_handle_leftover(zc, sk, skb, &seq, copybuf_len, tss);
2229 			struct scm_timestamping_internal *tss)
2234 	if (tss->ts[0].tv_sec || tss->ts[0].tv_nsec) {
2239 						.tv_sec = tss->ts[0].tv_sec,
2240 						.tv_nsec = tss->ts[0].tv_nsec,
2246 						.tv_sec = tss->ts[0].tv_sec,
2247 						.tv_nsec = tss->ts[0].tv_nsec,
2255 						.tv_sec = tss->ts[0].tv_sec,
2256 						.tv_usec = tss->ts[0].tv_nsec / 1000,
2262 						.tv_sec = tss->ts[0].tv_sec,
2263 						.tv_usec = tss->ts[0].tv_nsec / 1000,
2274 			tss->ts[0] = (struct timespec64) {0};
2277 	if (tss->ts[2].tv_sec || tss->ts[2].tv_nsec) {
2281 			tss->ts[2] = (struct timespec64) {0};
2285 		tss->ts[1] = (struct timespec64) {0};
2287 			put_cmsg_scm_timestamping64(msg, tss);
2289 			put_cmsg_scm_timestamping(msg, tss);
2323 			      int flags, struct scm_timestamping_internal *tss,
2531 			tcp_update_recv_tstamps(skb, tss);
2576 	struct scm_timestamping_internal tss;
2587 	ret = tcp_recvmsg_locked(sk, msg, len, flags, &tss, &cmsg_flags);
2592 			tcp_recv_timestamp(msg, sk, &tss);
4286 		struct scm_timestamping_internal tss;
4311 		err = tcp_zerocopy_receive(sk, &zc, &tss);
4335 			tcp_zc_finalize_rx_tstamp(sk, &zc, &tss);