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/linux/net/mptcp/
H A Dsubflow.c344 struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(sk); in subflow_prep_synack() local
352 mptcp_fastopen_subflow_synack_set_params(subflow, req); in subflow_prep_synack()
411 static bool subflow_thmac_valid(struct mptcp_subflow_context *subflow) in subflow_thmac_valid() argument
416 subflow_generate_hmac(subflow->remote_key, subflow->local_key, in subflow_thmac_valid()
417 subflow->remote_nonce, subflow->local_nonce, in subflow_thmac_valid()
421 pr_debug("subflow=%p, token=%u, thmac=%llu, subflow->thmac=%llu\n", in subflow_thmac_valid()
422 subflow, subflo in subflow_thmac_valid()
429 struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(ssk); mptcp_subflow_reset() local
456 struct mptcp_subflow_context *subflow; __mptcp_sync_state() local
475 subflow_set_remote_key(struct mptcp_sock * msk,struct mptcp_subflow_context * subflow,const struct mptcp_options_received * mp_opt) subflow_set_remote_key() argument
499 mptcp_propagate_state(struct sock * sk,struct sock * ssk,struct mptcp_subflow_context * subflow,const struct mptcp_options_received * mp_opt) mptcp_propagate_state() argument
525 struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(sk); subflow_finish_connect() local
622 subflow_set_local_id(struct mptcp_subflow_context * subflow,int local_id) subflow_set_local_id() argument
630 struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(sk); subflow_chk_local_id() local
674 struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(sk); subflow_v4_conn_request() local
705 struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(sk); subflow_v6_conn_request() local
796 __mptcp_subflow_fully_established(struct mptcp_sock * msk,struct mptcp_subflow_context * subflow,const struct mptcp_options_received * mp_opt) __mptcp_subflow_fully_established() argument
942 struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(child); subflow_syn_recv_sock() local
992 dbg_bad_map(struct mptcp_subflow_context * subflow,u32 ssn) dbg_bad_map() argument
1000 struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(ssk); skb_is_fully_mapped() local
1015 struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(ssk); validate_mapping() local
1037 struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(ssk); validate_data_csum() local
1116 struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(ssk); get_mapping_status() local
1263 struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(ssk); mptcp_subflow_discard_data() local
1295 const struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(ssk); subflow_sched_work_if_closed() local
1321 struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(ssk); mptcp_subflow_fail() local
1358 struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(ssk); subflow_check_data_avail() local
1458 struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(sk); mptcp_subflow_data_available() local
1485 const struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(ssk); mptcp_space() local
1513 struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(sk); subflow_data_ready() local
1570 struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(sk); mptcpv6_handle_mapped() local
1622 struct mptcp_subflow_context *subflow; __mptcp_subflow_connect() local
1784 struct mptcp_subflow_context *subflow; mptcp_subflow_create_socket() local
1881 struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(sk); subflow_state_change() local
1902 struct mptcp_subflow_context *subflow; mptcp_subflow_queue_clean() local
2098 struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(ssk); tcp_release_cb_override() local
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H A Dpm.c121 struct mptcp_subflow_context *subflow; in mptcp_pm_has_subflow_saddr() local
125 mptcp_for_each_subflow(msk, subflow) { in mptcp_pm_has_subflow_saddr()
126 skc = (struct sock_common *)mptcp_subflow_tcp_sock(subflow); in mptcp_pm_has_subflow_saddr()
221 struct mptcp_subflow_context *subflow, in __mptcp_pm_send_ack() argument
224 struct sock *ssk = mptcp_subflow_tcp_sock(subflow); in __mptcp_pm_send_ack()
233 subflow->send_mp_prio = 1; in __mptcp_pm_send_ack()
234 subflow->request_bkup = backup; in __mptcp_pm_send_ack()
242 struct mptcp_subflow_context *subflow, in mptcp_pm_send_ack() argument
246 __mptcp_pm_send_ack(msk, subflow, prio, backup); in mptcp_pm_send_ack()
250 static bool subflow_in_rm_list(const struct mptcp_subflow_context *subflow, in subflow_in_rm_list() argument
268 struct mptcp_subflow_context *subflow, *stale = NULL, *same_id = NULL; mptcp_pm_addr_send_ack_avoid_list() local
314 struct mptcp_subflow_context *subflow; mptcp_pm_mp_prio_send_ack() local
346 struct mptcp_subflow_context *subflow; mptcp_adjust_add_addr_timeout() local
663 mptcp_pm_subflow_check_next(struct mptcp_sock * msk,const struct mptcp_subflow_context * subflow) mptcp_pm_subflow_check_next() argument
700 struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(ssk); mptcp_pm_add_addr_received() local
769 struct mptcp_subflow_context *subflow, *tmp; mptcp_pm_rm_addr_or_subflow() local
860 struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(ssk); mptcp_pm_mp_prio_received() local
874 struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(sk); mptcp_pm_mp_fail_received() local
1072 struct mptcp_subflow_context *iter, *subflow = mptcp_subflow_ctx(ssk); mptcp_pm_subflow_chk_stale() local
1109 struct mptcp_subflow_context *subflow; mptcp_pm_chk_stale() local
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H A Doptions.c64 * close the subflow with a RST, as it is not behaving as negotiated. in mptcp_parse_option()
66 * receiver MUST close the subflow with a RST, as it is considered in mptcp_parse_option()
468 struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(sk); in mptcp_syn_options()
473 subflow->snd_isn = TCP_SKB_CB(skb)->end_seq; in mptcp_syn_options()
474 if (subflow->request_mptcp) { in mptcp_syn_options()
481 subflow->request_mptcp = 0; in mptcp_syn_options()
490 } else if (subflow->request_join) { in mptcp_syn_options()
491 pr_debug("remote_token=%u, nonce=%u\n", subflow->remote_token, in mptcp_syn_options()
492 subflow->local_nonce); in mptcp_syn_options()
494 opts->join_id = subflow in mptcp_syn_options()
467 struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(sk); mptcp_syn_options() local
516 struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(sk); mptcp_established_options_mp() local
596 mptcp_write_data_fin(struct mptcp_subflow_context * subflow,struct sk_buff * skb,struct mptcp_ext * ext) mptcp_write_data_fin() argument
628 struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(sk); mptcp_established_options_dss() local
725 struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(sk); mptcp_established_options_add_addr() local
764 struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(sk); mptcp_established_options_rm_addr() local
786 struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(sk); mptcp_established_options_mp_prio() local
812 const struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(sk); mptcp_established_options_rst() local
830 struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(sk); mptcp_established_options_fastclose() local
852 struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(sk); mptcp_established_options_mp_fail() local
874 struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(sk); mptcp_established_options() local
976 check_fully_established(struct mptcp_sock * msk,struct sock * ssk,struct mptcp_subflow_context * subflow,struct sk_buff * skb,struct mptcp_options_received * mp_opt) check_fully_established() argument
1093 struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(ssk); rwin_update() local
1224 struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(sk); mptcp_incoming_options() local
1424 struct mptcp_subflow_context *subflow; mptcp_track_rwin() local
1474 struct mptcp_subflow_context *subflow; mptcp_write_options() local
[all...]
H A Dfastopen.c9 void mptcp_fastopen_subflow_synack_set_params(struct mptcp_subflow_context *subflow, in mptcp_fastopen_subflow_synack_set_params() argument
17 /* on early fallback the subflow context is deleted by in mptcp_fastopen_subflow_synack_set_params()
20 if (!subflow) in mptcp_fastopen_subflow_synack_set_params()
23 ssk = subflow->tcp_sock; in mptcp_fastopen_subflow_synack_set_params()
24 sk = subflow->conn; in mptcp_fastopen_subflow_synack_set_params()
32 subflow->is_mptfo = 1; in mptcp_fastopen_subflow_synack_set_params()
38 mptcp_subflow_lend_fwdmem(subflow, skb); in mptcp_fastopen_subflow_synack_set_params()
41 * space, need to offset it in the subflow sequence, see mptcp_subflow_get_map_offset() in mptcp_fastopen_subflow_synack_set_params()
44 subflow->ssn_offset += skb->len; in mptcp_fastopen_subflow_synack_set_params()
H A Dsockopt.c78 struct mptcp_subflow_context *subflow; in mptcp_sol_socket_sync_intval() local
84 mptcp_for_each_subflow(msk, subflow) { in mptcp_sol_socket_sync_intval()
85 struct sock *ssk = mptcp_subflow_tcp_sock(subflow); in mptcp_sol_socket_sync_intval()
122 subflow->setsockopt_seq = msk->setsockopt_seq; in mptcp_sol_socket_sync_intval()
156 struct mptcp_subflow_context *subflow; in mptcp_setsockopt_sol_socket_tstamp() local
166 mptcp_for_each_subflow(msk, subflow) { in mptcp_setsockopt_sol_socket_tstamp()
167 struct sock *ssk = mptcp_subflow_tcp_sock(subflow); in mptcp_setsockopt_sol_socket_tstamp()
216 struct mptcp_subflow_context *subflow; in mptcp_setsockopt_sol_socket_timestamping() local
242 mptcp_for_each_subflow(msk, subflow) { in mptcp_setsockopt_sol_socket_timestamping()
243 struct sock *ssk = mptcp_subflow_tcp_sock(subflow); in mptcp_setsockopt_sol_socket_timestamping()
[all …]
H A Dsched.c162 void mptcp_subflow_set_scheduled(struct mptcp_subflow_context *subflow, in mptcp_sched_get_send()
165 WRITE_ONCE(subflow->scheduled, scheduled); in mptcp_sched_get_send()
170 struct mptcp_subflow_context *subflow; in mptcp_sched_get_send()
185 mptcp_for_each_subflow(msk, subflow) { in mptcp_sched_get_retrans()
186 if (READ_ONCE(subflow->scheduled)) in mptcp_sched_get_retrans()
197 struct mptcp_subflow_context *subflow; in mptcp_sched_get_retrans()
205 mptcp_for_each_subflow(msk, subflow) { in mptcp_sched_get_retrans()
206 if (READ_ONCE(subflow->scheduled)) in mptcp_sched_get_retrans()
151 mptcp_subflow_set_scheduled(struct mptcp_subflow_context * subflow,bool scheduled) mptcp_subflow_set_scheduled() argument
159 struct mptcp_subflow_context *subflow; mptcp_sched_get_send() local
187 struct mptcp_subflow_context *subflow; mptcp_sched_get_retrans() local
H A Dmib.h29 MPTCP_MIB_MPJOINACKNOCTX, /* MP_RST: no subflow context on ACK */
38 MPTCP_MIB_DSSCORRUPTIONRESET, /* DSS corruption detected, MPJ subflow reset */
69 MPTCP_MIB_RMSUBFLOW, /* Remove a subflow */
80 MPTCP_MIB_SNDWNDSHARED, /* Subflow snd wnd is overridden by msk's one */
81 MPTCP_MIB_RCVWNDSHARED, /* Subflow rcv wnd is overridden by msk's one */
82 MPTCP_MIB_RCVWNDCONFLICTUPDATE, /* subflow rcv wnd is overridden by msk's one due to
83 * conflict with another subflow while updating msk rcv wnd
H A Dpm_userspace.c107 /* If the subflow is closed from the other peer (not via a in mptcp_userspace_pm_delete_local_addr()
108 * subflow destroy command then), we want to keep the entry in mptcp_userspace_pm_delete_local_addr()
110 * able to send RM_ADDR after the removal of the subflow. in mptcp_userspace_pm_delete_local_addr()
266 struct mptcp_subflow_context *subflow; in mptcp_userspace_pm_remove_id_zero_address()
272 mptcp_for_each_subflow(msk, subflow) { in mptcp_userspace_pm_remove_id_zero_address()
273 if (READ_ONCE(subflow->local_id) == 0) { in mptcp_userspace_pm_remove_id_zero_address()
301 /* only delete if either announced or matching a subflow */ in mptcp_userspace_pm_remove_addr_entry()
454 struct mptcp_subflow_context *subflow; in mptcp_nl_find_ssk()
459 mptcp_for_each_subflow(msk, subflow) { in mptcp_nl_find_ssk()
463 ssk = mptcp_subflow_tcp_sock(subflow); in mptcp_nl_find_ssk()
256 struct mptcp_subflow_context *subflow; mptcp_userspace_pm_remove_id_zero_address() local
444 struct mptcp_subflow_context *subflow; mptcp_nl_find_ssk() local
[all...]
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.c468 struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(ssk); in mptcp_event_addr_announced() local
469 struct mptcp_sock *msk = mptcp_sk(subflow->conn); in mptcp_event_addr_announced()
/linux/tools/testing/selftests/net/mptcp/
H A Dmptcp_join.sh791 local flags="subflow"
797 # let the mptcp subflow be established in background before
1644 # the subflow creation
1921 local subflow="client"
1935 subflow="server"
1948 print_check "rm subflow ${subflow}"
1957 # in case of simult flush, the subflow removal count on each side is
2101 # number of all subflows, including the initial subflow.
2190 # subflow limited by client
2191 if reset "single subflow, limited by client"; then
[all …]
H A Dpm_netlink.sh162 add_endpoint 10.0.1.2 flags subflow dev lo
168 "2,10.0.1.2,subflow,lo" \
268 add_endpoint 10.0.1.1 flags subflow
270 check "show_endpoints" "$(format_endpoints "1,10.0.1.1,subflow backup")" \
273 check "show_endpoints" "$(format_endpoints "1,10.0.1.1,subflow")" \
280 check "show_endpoints" "$(format_endpoints "1,10.0.1.1,subflow fullmesh")" \
283 check "show_endpoints" "$(format_endpoints "1,10.0.1.1,subflow")" \
286 check "show_endpoints" "$(format_endpoints "1,10.0.1.1,subflow backup fullmesh")" \
H A Duserspace_pm.sh336 # ADD_ADDR from the client to server machine reusing the subflow port
346 # ADD_ADDR6 from the client to server machine reusing the subflow port
368 # ADD_ADDR from the server to client machine reusing the subflow port
376 # ADD_ADDR6 from the server to client machine reusing the subflow port
574 # Attempt to add a listener at 10.0.2.2:<subflow-port>
579 # ADD_ADDR from client to server machine reusing the subflow port
611 # Attempt to add a listener at dead:beef:2::2:<subflow-port>
616 # ADD_ADDR6 from client to server machine reusing the subflow port
690 # Attempt to add a listener at 10.0.2.1:<subflow-port>
695 # ADD_ADDR from server to client machine reusing the subflow port
[all …]
H A Dmptcp_diag.c213 printf("It's a mptcp subflow, the subflow info:\n"); in print_subflow_info()
H A Dsimult_flows.sh96 mptcp_lib_pm_nl_add_endpoint "${ns1}" 10.0.2.1 dev ns1eth2 flags subflow
H A Dpm_nl_ctl.c32 fprintf(stderr, "\tadd [flags signal|subflow|backup|fullmesh] [id <nr>] [dev <name>] <ip>\n"); in syntax()
42 fprintf(stderr, "\tlimits [<rcv addr max> <subflow max>]\n"); in syntax()
829 if (!strcmp(tok, "subflow")) in add_addr()
1019 printf("subflow"); in print_addr()
H A Dmptcp_sockopt.c101 __u32 num_subflows; /* must be 0, set by kernel (real subflow count) */
/linux/include/trace/events/
H A Dmptcp.h26 TP_PROTO(struct mptcp_subflow_context *subflow),
28 TP_ARGS(subflow),
42 __entry->active = mptcp_subflow_active(subflow);
43 __entry->backup = subflow->backup || subflow->request_bkup;
45 if (subflow->tcp_sock && sk_fullsock(subflow->tcp_sock))
46 __entry->free = sk_stream_memory_free(subflow->tcp_sock);
50 ssk = mptcp_subflow_tcp_sock(subflow);
/linux/include/net/
H A Drstreason.h134 * This is the default error; it implies that the subflow is no
143 * is being sent to close a subflow because of an invalid response.
149 * resources to support the terminated subflow.
154 * This code indicates that the requested subflow is prohibited by
161 * that needs to be transmitted over the terminated subflow while
170 * This code indicates that the performance of this subflow was
177 * Middlebox interference has been detected over this subflow,
/linux/Documentation/networking/
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
/linux/tools/testing/selftests/bpf/prog_tests/
H A Dmptcp.c435 if (endpoint_init("subflow") < 0) in test_subflow()
570 if (endpoint_init("subflow") < 0) in test_mptcp_sockmap()
590 if (test__start_subtest("subflow")) in test_mptcp()
/linux/include/uapi/linux/
H A Dmptcp.h123 __u32 num_subflows; /* must be 0, set by kernel (real subflow count) */
/linux/drivers/net/ethernet/netronome/nfp/flower/
H A Doffload.c1671 /* Get merge flows that the subflow forms to distribute their stats. */ in nfp_flower_update_merge_stats()
H A Dconntrack.c751 * through the subflows and assign the proper subflow to a_rule in nfp_fl_merge_actions_offload()

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