duplicate_sack 314 include/linux/tcp.h struct tcp_sack_block duplicate_sack[1]; /* D-SACK block */ duplicate_sack 2657 net/ipv4/tcp.c tp->duplicate_sack[0].start_seq = 0; duplicate_sack 2658 net/ipv4/tcp.c tp->duplicate_sack[0].end_seq = 0; duplicate_sack 4247 net/ipv4/tcp_input.c tp->duplicate_sack[0].start_seq = seq; duplicate_sack 4248 net/ipv4/tcp_input.c tp->duplicate_sack[0].end_seq = end_seq; duplicate_sack 4259 net/ipv4/tcp_input.c tcp_sack_extend(tp->duplicate_sack, seq, end_seq); duplicate_sack 4269 net/ipv4/tcp_input.c if (TCP_SKB_CB(skb)->seq == tcp_sk(sk)->duplicate_sack[0].start_seq) duplicate_sack 509 net/ipv4/tcp_output.c tp->duplicate_sack : tp->selective_acks;