| /linux/net/mptcp/ |
| H A D | subflow.c | 344 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()
422 subflow, subflow->token, thmac, subflow->thmac); in subflow_thmac_valid()
424 return thmac == subflow->thmac; in subflow_thmac_valid()
429 struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(ssk); in mptcp_subflow_reset() local
430 struct sock *sk = subflow->conn; in mptcp_subflow_reset()
441 subflow->resetting = 1; in mptcp_subflow_reset()
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| H A D | pm.c | 121 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
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| H A D | options.c | 468 struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(sk); in mptcp_syn_options() local
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->local_id; in mptcp_syn_options()
495 opts->token = subflow->remote_token; in mptcp_syn_options()
496 opts->nonce = subflow->local_nonce; in mptcp_syn_options()
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| H A D | protocol.h | 648 mptcp_subflow_tcp_sock(const struct mptcp_subflow_context *subflow) in mptcp_subflow_tcp_sock() argument
650 return subflow->tcp_sock; in mptcp_subflow_tcp_sock()
654 mptcp_subflow_ctx_reset(struct mptcp_subflow_context *subflow) in mptcp_subflow_ctx_reset() argument
656 memset(&subflow->reset, 0, sizeof(subflow->reset)); in mptcp_subflow_ctx_reset()
657 subflow->request_mptcp = 1; in mptcp_subflow_ctx_reset()
658 WRITE_ONCE(subflow->local_id, -1); in mptcp_subflow_ctx_reset()
691 struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(sk); in mptcp_send_active_reset_reason() local
694 reason = sk_rst_convert_mptcp_reason(subflow->reset_reason); in mptcp_send_active_reset_reason()
719 __mptcp_subflow_lend_fwdmem(struct mptcp_subflow_context *subflow, int size) in __mptcp_subflow_lend_fwdmem() argument
721 int frag = (subflow->lent_mem_frag + size) & (PAGE_SIZE - 1); in __mptcp_subflow_lend_fwdmem()
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| H A D | protocol.c | 106 struct mptcp_subflow_context *subflow; in __mptcp_socket_create() local
117 subflow = mptcp_subflow_ctx(ssock->sk); in __mptcp_socket_create()
118 list_add(&subflow->node, &msk->conn_list); in __mptcp_socket_create()
120 subflow->request_mptcp = 1; in __mptcp_socket_create()
121 subflow->subflow_id = msk->subflow_id++; in __mptcp_socket_create()
124 WRITE_ONCE(subflow->local_id, 0); in __mptcp_socket_create()
429 struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(ssk); in mptcp_init_skb() local
436 MPTCP_SKB_CB(skb)->map_seq = mptcp_subflow_get_mapped_dsn(subflow); in mptcp_init_skb()
516 struct mptcp_subflow_context *subflow; in mptcp_shutdown_subflows() local
518 mptcp_for_each_subflow(msk, subflow) { in mptcp_shutdown_subflows()
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| H A D | fastopen.c | 9 void mptcp_fastopen_subflow_synack_set_params(struct mptcp_subflow_context *subflow, in mptcp_fastopen_subflow_synack_set_params() argument
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()
44 subflow->ssn_offset += skb->len; in mptcp_fastopen_subflow_synack_set_params()
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| H A D | sockopt.c | 78 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()
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| H A D | sched.c | 162 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
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| H A D | pm_kernel.c | 102 struct mptcp_subflow_context *subflow; in has_subflow_daddr() local
105 mptcp_for_each_subflow(msk, subflow) { in has_subflow_daddr()
106 struct sock *ssk = mptcp_subflow_tcp_sock(subflow); in has_subflow_daddr()
212 struct mptcp_subflow_context *subflow; in fill_remote_addresses_fullmesh() local
219 mptcp_for_each_subflow(msk, subflow) in fill_remote_addresses_fullmesh()
220 if (READ_ONCE(subflow->local_id) == local->id) in fill_remote_addresses_fullmesh()
221 __set_bit(subflow->remote_id, unavail_id); in fill_remote_addresses_fullmesh()
223 mptcp_for_each_subflow(msk, subflow) { in fill_remote_addresses_fullmesh()
224 ssk = mptcp_subflow_tcp_sock(subflow); in fill_remote_addresses_fullmesh()
226 addrs[i].id = READ_ONCE(subflow->remote_id); in fill_remote_addresses_fullmesh()
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| H A D | pm_userspace.c | 266 struct mptcp_subflow_context *subflow; in mptcp_userspace_pm_remove_id_zero_address() local
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()
454 struct mptcp_subflow_context *subflow; in mptcp_nl_find_ssk() local
459 mptcp_for_each_subflow(msk, subflow) { in mptcp_nl_find_ssk()
463 ssk = mptcp_subflow_tcp_sock(subflow); in mptcp_nl_find_ssk()
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| H A D | Makefile | 4 mptcp-y := protocol.o subflow.o options.o token.o crypto.o ctrl.o pm.o diag.o \
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| H A D | Kconfig | 10 subflows in order to utilize multiple network paths. Each subflow
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| H A D | pm_netlink.c | 468 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()
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| /linux/tools/testing/selftests/net/mptcp/ |
| H A D | pm_netlink.sh | 162 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")" \
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| H A D | mptcp_join.sh | 1921 local subflow="client"
1935 subflow="server"
1948 print_check "rm subflow ${subflow}"
2194 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2203 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2213 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2222 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2223 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow
2232 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2233 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow
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| H A D | simult_flows.sh | 96 mptcp_lib_pm_nl_add_endpoint "${ns1}" 10.0.2.1 dev ns1eth2 flags subflow
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| /linux/include/trace/events/ |
| H A D | mptcp.h | 26 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);
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| /linux/Documentation/networking/ |
| H A D | mptcp.rst | 41 (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
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