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Searched refs:subflow (Results 1 – 24 of 24) sorted by relevance

/linux-6.15/net/mptcp/
H A Dsubflow.c419 subflow->remote_nonce, subflow->local_nonce, in subflow_thmac_valid()
424 subflow, subflow->token, thmac, subflow->thmac); in subflow_thmac_valid()
575 subflow, subflow->thmac, subflow->remote_nonce, in subflow_finish_connect()
983 ssn, subflow->map_subflow_seq, subflow->map_data_len); in dbg_bad_map()
1034 if (subflow->map_csum_len == subflow->map_data_len) in validate_data_csum()
1042 delta = subflow->map_data_len - subflow->map_csum_len; in validate_data_csum()
1090 subflow->map_data_len + subflow->map_data_fin, in validate_data_csum()
1229 subflow->map_seq, subflow->map_subflow_seq, in get_mapping_status()
1230 subflow->map_data_len, subflow->map_csum_reqd, in get_mapping_status()
1387 (subflow->mp_join || subflow->valid_csum_seen)) { in subflow_check_data_avail()
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H A Doptions.c418 subflow->local_nonce); in mptcp_syn_options()
465 if (subflow->mp_capable) { in mptcp_established_options_mp()
500 subflow, subflow->local_key, subflow->remote_key, in mptcp_established_options_mp()
956 if (subflow->mp_join) in check_fully_established()
978 if (subflow->mp_join) in check_fully_established()
980 subflow->mp_capable = 0; in check_fully_established()
1003 if (likely(subflow->pm_notified) || list_empty(&subflow->node)) in check_fully_established()
1006 subflow->pm_notified = 1; in check_fully_established()
1007 if (subflow->mp_join) { in check_fully_established()
1192 subflow->reset_seen = 1; in mptcp_incoming_options()
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H A Dpm.c194 subflow->send_mp_prio = 1; in __mptcp_pm_send_ack()
224 if (!subflow->stale) { in mptcp_pm_addr_send_ack()
230 alt = subflow; in mptcp_pm_addr_send_ack()
563 update_subflows = subflow->request_join || subflow->mp_join; in mptcp_pm_subflow_check_next()
752 subflow->backup = bkup; in mptcp_pm_mp_prio_received()
767 if (!subflow->fail_tout) { in mptcp_pm_mp_fail_received()
902 if (subflow->stale || !stale_loss_cnt || subflow->stale_count <= stale_loss_cnt) in mptcp_pm_subflows_chk_stale()
913 subflow->stale = 1; in mptcp_pm_subflows_chk_stale()
937 subflow->stale_count++; in mptcp_pm_subflow_chk_stale()
940 subflow->stale_count++; in mptcp_pm_subflow_chk_stale()
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H A Dprotocol.c1296 if (!subflow->stale) in mptcp_subflow_set_active()
1299 subflow->stale = 0; in mptcp_subflow_set_active()
1342 bool backup = subflow->backup || subflow->request_bkup; in mptcp_subflow_get_send()
2011 subflow = mptcp_next_subflow(msk, subflow); in __mptcp_first_ready_from()
2015 return subflow; in __mptcp_first_ready_from()
2045 subflow = __mptcp_first_ready_from(msk, subflow); in __mptcp_move_skbs()
2046 if (!subflow) in __mptcp_move_skbs()
2056 subflow = mptcp_next_subflow(msk, subflow); in __mptcp_move_skbs()
2254 if (subflow->backup || subflow->request_bkup) { in mptcp_subflow_get_retrans()
3483 sk = subflow->conn; in mptcp_finish_connect()
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H A Dprotocol.h591 return subflow->tcp_sock; in mptcp_subflow_tcp_sock()
597 memset(&subflow->reset, 0, sizeof(subflow->reset)); in mptcp_subflow_ctx_reset()
598 subflow->request_mptcp = 1; in mptcp_subflow_ctx_reset()
643 subflow->ssn_offset - in mptcp_subflow_get_map_offset()
644 subflow->map_subflow_seq; in mptcp_subflow_get_map_offset()
650 return subflow->map_seq + mptcp_subflow_get_map_offset(subflow); in mptcp_subflow_get_mapped_dsn()
792 if (subflow->request_join && !READ_ONCE(subflow->fully_established)) in __mptcp_subflow_active()
1234 struct sock *sk = subflow->conn; in mptcp_do_fallback()
1258 subflow->request_mptcp = 0; in mptcp_subflow_early_fallback()
1275 return (subflow->request_mptcp || subflow->request_join); in is_active_ssk()
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H A Dfastopen.c9 void mptcp_fastopen_subflow_synack_set_params(struct mptcp_subflow_context *subflow, in mptcp_fastopen_subflow_synack_set_params() argument
19 if (!subflow) in mptcp_fastopen_subflow_synack_set_params()
22 ssk = subflow->tcp_sock; in mptcp_fastopen_subflow_synack_set_params()
23 sk = subflow->conn; in mptcp_fastopen_subflow_synack_set_params()
26 subflow->is_mptfo = 1; in mptcp_fastopen_subflow_synack_set_params()
41 subflow->ssn_offset += skb->len; in mptcp_fastopen_subflow_synack_set_params()
H A Dsockopt.c72 struct mptcp_subflow_context *subflow; in mptcp_sol_socket_sync_intval() local
78 mptcp_for_each_subflow(msk, subflow) { in mptcp_sol_socket_sync_intval()
150 struct mptcp_subflow_context *subflow; in mptcp_setsockopt_sol_socket_tstamp() local
160 mptcp_for_each_subflow(msk, subflow) { in mptcp_setsockopt_sol_socket_tstamp()
210 struct mptcp_subflow_context *subflow; in mptcp_setsockopt_sol_socket_timestamping() local
236 mptcp_for_each_subflow(msk, subflow) { in mptcp_setsockopt_sol_socket_timestamping()
252 struct mptcp_subflow_context *subflow; in mptcp_setsockopt_sol_socket_linger() local
271 mptcp_for_each_subflow(msk, subflow) { in mptcp_setsockopt_sol_socket_linger()
585 struct mptcp_subflow_context *subflow; in mptcp_setsockopt_sol_tcp_congestion() local
606 mptcp_for_each_subflow(msk, subflow) { in mptcp_setsockopt_sol_tcp_congestion()
[all …]
H A Dsched.c151 void mptcp_subflow_set_scheduled(struct mptcp_subflow_context *subflow, in mptcp_subflow_set_scheduled() argument
154 WRITE_ONCE(subflow->scheduled, scheduled); in mptcp_subflow_set_scheduled()
159 struct mptcp_subflow_context *subflow; in mptcp_sched_get_send() local
175 mptcp_for_each_subflow(msk, subflow) { in mptcp_sched_get_send()
176 if (READ_ONCE(subflow->scheduled)) in mptcp_sched_get_send()
187 struct mptcp_subflow_context *subflow; in mptcp_sched_get_retrans() local
196 mptcp_for_each_subflow(msk, subflow) { in mptcp_sched_get_retrans()
197 if (READ_ONCE(subflow->scheduled)) in mptcp_sched_get_retrans()
H A Dtoken.c153 struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(ssk); in mptcp_token_new_connect() local
154 struct mptcp_sock *msk = mptcp_sk(subflow->conn); in mptcp_token_new_connect()
156 struct sock *sk = subflow->conn; in mptcp_token_new_connect()
160 mptcp_crypto_key_gen_sha(&subflow->local_key, &subflow->token, in mptcp_token_new_connect()
161 &subflow->idsn); in mptcp_token_new_connect()
163 bucket = token_bucket(subflow->token); in mptcp_token_new_connect()
165 if (__token_bucket_busy(bucket, subflow->token)) { in mptcp_token_new_connect()
173 ssk, subflow->local_key, subflow->token, subflow->idsn); in mptcp_token_new_connect()
175 WRITE_ONCE(msk->token, subflow->token); in mptcp_token_new_connect()
H A Dctrl.c514 struct mptcp_subflow_context *subflow; in mptcp_active_detect_blackhole() local
522 subflow = mptcp_subflow_ctx(ssk); in mptcp_active_detect_blackhole()
525 if (!subflow->request_mptcp) { in mptcp_active_detect_blackhole()
527 subflow->mpc_drop = 0; in mptcp_active_detect_blackhole()
537 subflow->mpc_drop = 1; in mptcp_active_detect_blackhole()
538 mptcp_subflow_early_fallback(mptcp_sk(subflow->conn), subflow); in mptcp_active_detect_blackhole()
H A Dpm_kernel.c84 struct mptcp_subflow_context *subflow; in lookup_subflow_by_daddr() local
87 list_for_each_entry(subflow, list, node) { in lookup_subflow_by_daddr()
172 struct mptcp_subflow_context *subflow; in fill_remote_addresses_vec() local
199 mptcp_for_each_subflow(msk, subflow) in fill_remote_addresses_vec()
200 if (READ_ONCE(subflow->local_id) == local->id) in fill_remote_addresses_vec()
201 __set_bit(subflow->remote_id, unavail_id); in fill_remote_addresses_vec()
203 mptcp_for_each_subflow(msk, subflow) { in fill_remote_addresses_vec()
204 ssk = mptcp_subflow_tcp_sock(subflow); in fill_remote_addresses_vec()
206 addrs[i].id = READ_ONCE(subflow->remote_id); in fill_remote_addresses_vec()
313 goto subflow; in mptcp_pm_create_subflow_or_signal_addr()
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H A Dpm_userspace.c249 struct mptcp_subflow_context *subflow; in mptcp_userspace_pm_remove_id_zero_address() local
255 mptcp_for_each_subflow(msk, subflow) { in mptcp_userspace_pm_remove_id_zero_address()
256 if (READ_ONCE(subflow->local_id) == 0) { in mptcp_userspace_pm_remove_id_zero_address()
434 struct mptcp_subflow_context *subflow; in mptcp_nl_find_ssk() local
439 mptcp_for_each_subflow(msk, subflow) { in mptcp_nl_find_ssk()
443 ssk = mptcp_subflow_tcp_sock(subflow); in mptcp_nl_find_ssk()
H A DMakefile4 mptcp-y := protocol.o subflow.o options.o token.o crypto.o ctrl.o pm.o diag.o \
H A DKconfig10 subflows in order to utilize multiple network paths. Each subflow
H A Dpm_netlink.c455 struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(ssk); in mptcp_event_addr_announced() local
456 struct mptcp_sock *msk = mptcp_sk(subflow->conn); in mptcp_event_addr_announced()
/linux-6.15/tools/testing/selftests/net/mptcp/
H A Dmptcp_join.sh1682 local subflow="client"
1696 subflow="server"
1709 print_check "rm subflow ${subflow}"
1955 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
1964 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
1973 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
1982 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
1983 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow
1992 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
1993 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow
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H A Dpm_netlink.sh150 add_endpoint 10.0.1.2 flags subflow dev lo
156 "2,10.0.1.2,subflow,lo" \
242 add_endpoint 10.0.1.1 flags subflow
244 check "show_endpoints" "$(format_endpoints "1,10.0.1.1,subflow backup")" \
247 check "show_endpoints" "$(format_endpoints "1,10.0.1.1,subflow")" \
254 check "show_endpoints" "$(format_endpoints "1,10.0.1.1,subflow fullmesh")" \
257 check "show_endpoints" "$(format_endpoints "1,10.0.1.1,subflow")" \
260 check "show_endpoints" "$(format_endpoints "1,10.0.1.1,subflow backup fullmesh")" \
H A Dsimult_flows.sh90 mptcp_lib_pm_nl_add_endpoint "${ns1}" 10.0.2.1 dev ns1eth2 flags subflow
/linux-6.15/include/trace/events/
H A Dmptcp.h20 TP_PROTO(struct mptcp_subflow_context *subflow),
22 TP_ARGS(subflow),
36 __entry->active = mptcp_subflow_active(subflow);
37 __entry->backup = subflow->backup || subflow->request_bkup;
39 if (subflow->tcp_sock && sk_fullsock(subflow->tcp_sock))
40 __entry->free = sk_stream_memory_free(subflow->tcp_sock);
44 ssk = mptcp_subflow_tcp_sock(subflow);
/linux-6.15/tools/testing/selftests/bpf/progs/
H A Dmptcp_subflow.c65 struct mptcp_subflow_context *subflow; in _check_getsockopt_subflow_mark() local
68 mptcp_for_each_subflow(msk, subflow) { in _check_getsockopt_subflow_mark()
71 ssk = mptcp_subflow_tcp_sock(bpf_core_cast(subflow, in _check_getsockopt_subflow_mark()
85 struct mptcp_subflow_context *subflow; in _check_getsockopt_subflow_cc() local
87 mptcp_for_each_subflow(msk, subflow) { in _check_getsockopt_subflow_cc()
91 ssk = mptcp_subflow_tcp_sock(bpf_core_cast(subflow, in _check_getsockopt_subflow_cc()
H A Dmptcp_bpf.h37 mptcp_subflow_tcp_sock(const struct mptcp_subflow_context *subflow) in mptcp_subflow_tcp_sock() argument
39 return subflow->tcp_sock; in mptcp_subflow_tcp_sock()
/linux-6.15/Documentation/netlink/specs/
H A Dmptcp_pm.yaml58 A new subflow has been established. 'error' should not be set.
64 A subflow has been closed. An error (copy of sk_err) could be set if an
65 error has been detected for this subflow.
72 The priority of a subflow has changed. 'error' should not be set.
121 name: subflow-attribute
122 name-prefix: mptcp-subflow-attr-
377 name: subflow-create
378 doc: Create subflow
389 name: subflow-destroy
390 doc: Destroy subflow
/linux-6.15/Documentation/networking/
H A Dmptcp-sysctl.rst22 by the initial subflow if the value is 1. This controls a flag that is
63 unchanged for such time, after the last subflow removal, before
81 socket. In-kernel path management will control subflow
84 API. Userspace path management puts per-MPTCP-connection subflow
98 socket. In-kernel path management will control subflow
101 API. Userspace path management puts per-MPTCP-connection subflow
125 pending outstanding data on a given subflow required to declare it stale.
H A Dmptcp.rst41 (Linux-specific), a *subflow* (or *path*) is created. This *subflow* consists of
45 *option* field of the underlying TCP *subflow*. This field contains, amongst
79 The Packet Scheduler is in charge of selecting which available *subflow(s)* to
127 values per subflow.
151 kernel is in charge of creating subflow sockets: they are TCP sockets where the