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Searched refs:TCP_SKB_CB (Results 1 – 19 of 19) sorted by relevance

/Linux-v6.1/net/ipv4/
Dtcp_input.c328 if (TCP_SKB_CB(skb)->seq != TCP_SKB_CB(skb)->end_seq) in tcp_ecn_accept_cwr()
342 switch (TCP_SKB_CB(skb)->ip_dsfield & INET_ECN_MASK) { in __tcp_ecn_check_ce()
683 if (TCP_SKB_CB(skb)->end_seq - in tcp_rcv_rtt_measure_ts()
684 TCP_SKB_CB(skb)->seq >= inet_csk(sk)->icsk_ack.rcv_mss) { in tcp_rcv_rtt_measure_ts()
1072 before(TCP_SKB_CB(skb)->seq, in tcp_verify_retransmit_hint()
1073 TCP_SKB_CB(tp->retransmit_skb_hint)->seq))) in tcp_verify_retransmit_hint()
1087 __u8 sacked = TCP_SKB_CB(skb)->sacked; in tcp_mark_skb_lost()
1097 TCP_SKB_CB(skb)->sacked &= ~TCPCB_SACKED_RETRANS; in tcp_mark_skb_lost()
1105 TCP_SKB_CB(skb)->sacked |= TCPCB_LOST; in tcp_mark_skb_lost()
1258 if (before(start_seq_0, TCP_SKB_CB(ack_skb)->ack_seq)) { in tcp_check_dsack()
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Dtcp_output.c71 WRITE_ONCE(tp->snd_nxt, TCP_SKB_CB(skb)->end_seq); in tcp_event_new_data_sent()
311 TCP_SKB_CB(skb)->tcp_flags &= ~TCPHDR_CWR; in tcp_ecn_send_synack()
313 TCP_SKB_CB(skb)->tcp_flags &= ~TCPHDR_ECE; in tcp_ecn_send_synack()
337 TCP_SKB_CB(skb)->tcp_flags |= TCPHDR_ECE | TCPHDR_CWR; in tcp_ecn_send_syn()
350 TCP_SKB_CB(skb)->tcp_flags &= ~(TCPHDR_ECE | TCPHDR_CWR); in tcp_ecn_clear_syn()
371 !before(TCP_SKB_CB(skb)->seq, tp->snd_nxt)) { in tcp_ecn_send()
394 TCP_SKB_CB(skb)->tcp_flags = flags; in tcp_init_nondata_skb()
398 TCP_SKB_CB(skb)->seq = seq; in tcp_init_nondata_skb()
401 TCP_SKB_CB(skb)->end_seq = seq; in tcp_init_nondata_skb()
1276 tcb = TCP_SKB_CB(skb); in __tcp_transmit_skb()
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Dtcp_minisocks.c110 !tcp_in_window(TCP_SKB_CB(skb)->seq, TCP_SKB_CB(skb)->end_seq, in tcp_timewait_state_process()
119 if (th->syn && !before(TCP_SKB_CB(skb)->seq, tcptw->tw_rcv_nxt)) in tcp_timewait_state_process()
124 !after(TCP_SKB_CB(skb)->end_seq, tcptw->tw_rcv_nxt) || in tcp_timewait_state_process()
125 TCP_SKB_CB(skb)->end_seq == TCP_SKB_CB(skb)->seq) { in tcp_timewait_state_process()
134 TCP_SKB_CB(skb)->end_seq != tcptw->tw_rcv_nxt + 1) in tcp_timewait_state_process()
139 tcptw->tw_rcv_nxt = TCP_SKB_CB(skb)->end_seq; in tcp_timewait_state_process()
167 (TCP_SKB_CB(skb)->seq == tcptw->tw_rcv_nxt && in tcp_timewait_state_process()
168 (TCP_SKB_CB(skb)->seq == TCP_SKB_CB(skb)->end_seq || th->rst))) { in tcp_timewait_state_process()
212 (after(TCP_SKB_CB(skb)->seq, tcptw->tw_rcv_nxt) || in tcp_timewait_state_process()
218 TCP_SKB_CB(skb)->tcp_tw_isn = isn; in tcp_timewait_state_process()
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Dtcp_rate.c65 TCP_SKB_CB(skb)->tx.first_tx_mstamp = tp->first_tx_mstamp; in tcp_rate_skb_sent()
66 TCP_SKB_CB(skb)->tx.delivered_mstamp = tp->delivered_mstamp; in tcp_rate_skb_sent()
67 TCP_SKB_CB(skb)->tx.delivered = tp->delivered; in tcp_rate_skb_sent()
68 TCP_SKB_CB(skb)->tx.delivered_ce = tp->delivered_ce; in tcp_rate_skb_sent()
69 TCP_SKB_CB(skb)->tx.is_app_limited = tp->app_limited ? 1 : 0; in tcp_rate_skb_sent()
84 struct tcp_skb_cb *scb = TCP_SKB_CB(skb); in tcp_rate_skb_delivered()
Dtcp_fastopen.c173 if (TCP_SKB_CB(skb)->end_seq == tp->rcv_nxt) in tcp_fastopen_add_skb()
193 TCP_SKB_CB(skb)->seq++; in tcp_fastopen_add_skb()
194 TCP_SKB_CB(skb)->tcp_flags &= ~TCPHDR_SYN; in tcp_fastopen_add_skb()
196 tp->rcv_nxt = TCP_SKB_CB(skb)->end_seq; in tcp_fastopen_add_skb()
205 if (TCP_SKB_CB(skb)->tcp_flags & TCPHDR_FIN) in tcp_fastopen_add_skb()
284 tp->rcv_nxt = TCP_SKB_CB(skb)->seq + 1; in tcp_fastopen_create_child()
350 bool syn_data = TCP_SKB_CB(skb)->end_seq != TCP_SKB_CB(skb)->seq + 1; in tcp_try_fastopen()
564 if (TCP_SKB_CB(skb)->tcp_flags & TCPHDR_FIN) { in tcp_fastopen_active_disable_ofo_check()
Dtcp_ipv4.c834 skb, &TCP_SKB_CB(skb)->header.h4.opt, in tcp_v4_send_reset()
933 skb, &TCP_SKB_CB(skb)->header.h4.opt, in tcp_v4_send_ack()
1803 if (TCP_SKB_CB(tail)->end_seq != TCP_SKB_CB(skb)->seq || in tcp_add_backlog()
1804 TCP_SKB_CB(tail)->ip_dsfield != TCP_SKB_CB(skb)->ip_dsfield || in tcp_add_backlog()
1805 ((TCP_SKB_CB(tail)->tcp_flags | in tcp_add_backlog()
1806 TCP_SKB_CB(skb)->tcp_flags) & (TCPHDR_SYN | TCPHDR_RST | TCPHDR_URG)) || in tcp_add_backlog()
1807 !((TCP_SKB_CB(tail)->tcp_flags & in tcp_add_backlog()
1808 TCP_SKB_CB(skb)->tcp_flags) & TCPHDR_ACK) || in tcp_add_backlog()
1809 ((TCP_SKB_CB(tail)->tcp_flags ^ in tcp_add_backlog()
1810 TCP_SKB_CB(skb)->tcp_flags) & (TCPHDR_ECE | TCPHDR_CWR)) || in tcp_add_backlog()
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Dtcp.c471 struct tcp_skb_cb *tcb = TCP_SKB_CB(skb); in tcp_tx_timestamp()
477 shinfo->tskey = TCP_SKB_CB(skb)->seq + skb->len - 1; in tcp_tx_timestamp()
646 TCP_SKB_CB(skb)->tcp_flags |= TCPHDR_PSH; in tcp_mark_push()
658 struct tcp_skb_cb *tcb = TCP_SKB_CB(skb); in tcp_skb_entail()
931 if (skb && TCP_SKB_CB(skb)->seq == TCP_SKB_CB(skb)->end_seq) { in tcp_remove_empty_skb()
1031 TCP_SKB_CB(skb)->end_seq += copy; in tcp_build_frag()
1081 TCP_SKB_CB(skb)->tcp_flags &= ~TCPHDR_PSH; in do_tcp_sendpages()
1340 TCP_SKB_CB(skb)->sacked |= TCPCB_REPAIRED; in tcp_sendmsg_locked()
1416 TCP_SKB_CB(skb)->tcp_flags &= ~TCPHDR_PSH; in tcp_sendmsg_locked()
1419 TCP_SKB_CB(skb)->end_seq += copy; in tcp_sendmsg_locked()
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Dtcp_recovery.c68 struct tcp_skb_cb *scb = TCP_SKB_CB(skb); in tcp_rack_detect_loss()
227 if (TCP_SKB_CB(skb)->sacked & TCPCB_LOST) in tcp_newreno_mark_lost()
Dsyncookies.c305 treq->syn_tos = TCP_SKB_CB(skb)->ip_dsfield; in cookie_tcp_reqsk_alloc()
328 struct ip_options *opt = &TCP_SKB_CB(skb)->header.h4.opt; in cookie_v4_check()
/Linux-v6.1/net/mptcp/
Dsyncookies.c48 seq = TCP_SKB_CB(skb)->seq; in mptcp_join_entry_hash()
50 seq = TCP_SKB_CB(skb)->seq - 1; in mptcp_join_entry_hash()
Doptions.c36 if (!(TCP_SKB_CB(skb)->tcp_flags & TCPHDR_SYN)) { in mptcp_parse_option()
42 if (TCP_SKB_CB(skb)->tcp_flags & TCPHDR_ACK) in mptcp_parse_option()
333 if (!(TCP_SKB_CB(skb)->tcp_flags & TCPHDR_RST)) in mptcp_parse_option()
406 subflow->snd_isn = TCP_SKB_CB(skb)->end_seq; in mptcp_syn_options()
460 subflow->snd_isn != TCP_SKB_CB(skb)->seq || in mptcp_established_options_mp()
834 if (unlikely(skb && TCP_SKB_CB(skb)->tcp_flags & TCPHDR_RST)) { in mptcp_established_options()
932 if (TCP_SKB_CB(skb)->seq == subflow->ssn_offset + 1 && in check_fully_established()
933 TCP_SKB_CB(skb)->end_seq == TCP_SKB_CB(skb)->seq && in check_fully_established()
945 if (TCP_SKB_CB(skb)->seq != subflow->ssn_offset + 1) { in check_fully_established()
1184 if (TCP_SKB_CB(skb)->seq == TCP_SKB_CB(skb)->end_seq) { in mptcp_incoming_options()
Dsubflow.c174 subflow_req->ssn_offset = TCP_SKB_CB(skb)->seq; in subflow_check_req()
203 subflow_req->ssn_offset = TCP_SKB_CB(skb)->seq; in subflow_check_req()
272 subflow_req->ssn_offset = TCP_SKB_CB(skb)->seq - 1; in mptcp_subflow_init_cookie_req()
278 subflow_req->ssn_offset = TCP_SKB_CB(skb)->seq - 1; in mptcp_subflow_init_cookie_req()
410 subflow->ssn_offset = TCP_SKB_CB(skb)->seq; in subflow_finish_connect()
844 skb_consumed = tcp_sk(ssk)->copied_seq - TCP_SKB_CB(skb)->seq; in skb_is_fully_mapped()
896 offset = seq - TCP_SKB_CB(skb)->seq; in validate_data_csum()
976 if (!(TCP_SKB_CB(skb)->tcp_flags & TCPHDR_FIN)) in get_mapping_status()
978 TCP_SKB_CB(skb)->seq, in get_mapping_status()
979 TCP_SKB_CB(skb)->end_seq, in get_mapping_status()
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Dprotocol.c363 has_rxtstamp = TCP_SKB_CB(skb)->has_rxtstamp; in __mptcp_move_skb()
683 offset = seq - TCP_SKB_CB(skb)->seq; in __mptcp_move_skbs_from_subflow()
684 fin = TCP_SKB_CB(skb)->tcp_flags & TCPHDR_FIN; in __mptcp_move_skbs_from_subflow()
1266 TCP_SKB_CB(skb)->eor = 1; in mptcp_sendmsg_frag()
1328 TCP_SKB_CB(skb)->end_seq += copy; in mptcp_sendmsg_frag()
1333 TCP_SKB_CB(skb)->tcp_flags &= ~TCPHDR_PSH; in mptcp_sendmsg_frag()
/Linux-v6.1/include/net/
Dtcp.h914 #define TCP_SKB_CB(__skb) ((struct tcp_skb_cb *)&((__skb)->cb[0])) macro
924 return TCP_SKB_CB(skb)->header.h6.iif; in tcp_v6_iif()
929 bool l3_slave = ipv6_l3mdev_skb(TCP_SKB_CB(skb)->header.h6.flags); in tcp_v6_iif_l3_slave()
931 return l3_slave ? skb->skb_iif : TCP_SKB_CB(skb)->header.h6.iif; in tcp_v6_iif_l3_slave()
938 if (skb && ipv6_l3mdev_skb(TCP_SKB_CB(skb)->header.h6.flags)) in tcp_v6_sdif()
939 return TCP_SKB_CB(skb)->header.h6.iif; in tcp_v6_sdif()
956 if (skb && ipv4_l3mdev_skb(TCP_SKB_CB(skb)->header.h4.flags)) in tcp_v4_sdif()
957 return TCP_SKB_CB(skb)->header.h4.iif; in tcp_v4_sdif()
967 return TCP_SKB_CB(skb)->tcp_gso_segs; in tcp_skb_pcount()
972 TCP_SKB_CB(skb)->tcp_gso_segs = segs; in tcp_skb_pcount_set()
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/Linux-v6.1/net/ipv6/
Dtcp_ipv6.c787 bool l3_slave = ipv6_l3mdev_skb(TCP_SKB_CB(skb)->header.h6.flags); in tcp_v6_init_req()
799 if (!TCP_SKB_CB(skb)->tcp_tw_isn && in tcp_v6_init_req()
800 (ipv6_opt_accepted(sk_listener, skb, &TCP_SKB_CB(skb)->header.h6) || in tcp_v6_init_req()
1192 memmove(IP6CB(skb), &TCP_SKB_CB(skb)->header.h6, in tcp_v6_restore_cb()
1545 if (TCP_SKB_CB(opt_skb)->end_seq == tp->rcv_nxt && in tcp_v6_do_rcv()
1555 if (ipv6_opt_accepted(sk, opt_skb, &TCP_SKB_CB(opt_skb)->header.h6)) { in tcp_v6_do_rcv()
1577 memmove(&TCP_SKB_CB(skb)->header.h6, IP6CB(skb), in tcp_v6_fill_cb()
1581 TCP_SKB_CB(skb)->seq = ntohl(th->seq); in tcp_v6_fill_cb()
1582 TCP_SKB_CB(skb)->end_seq = (TCP_SKB_CB(skb)->seq + th->syn + th->fin + in tcp_v6_fill_cb()
1584 TCP_SKB_CB(skb)->ack_seq = ntohl(th->ack_seq); in tcp_v6_fill_cb()
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Dsyncookies.c191 if (ipv6_opt_accepted(sk, skb, &TCP_SKB_CB(skb)->header.h6) || in cookie_v6_check()
/Linux-v6.1/net/tls/
Dtls_strp.c325 seq = TCP_SKB_CB(skb)->seq; in tls_strp_check_no_dup()
332 if (TCP_SKB_CB(skb)->seq != seq) in tls_strp_check_no_dup()
Dtls_device.c240 TCP_SKB_CB(skb)->eor = 1; in tls_device_resync_tx()
1196 TCP_SKB_CB(skb)->eor = 1; in tls_set_device_offload()
Dtls_sw.c2262 TCP_SKB_CB(skb)->seq + strp->stm.offset); in tls_rx_msg_size()