| /Linux-v6.6/net/mptcp/ |
| D | subflow.c | 314 struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(sk); in subflow_prep_synack() local
322 mptcp_fastopen_subflow_synack_set_params(subflow, req); in subflow_prep_synack()
379 static bool subflow_thmac_valid(struct mptcp_subflow_context *subflow) in subflow_thmac_valid() argument
384 subflow_generate_hmac(subflow->remote_key, subflow->local_key, in subflow_thmac_valid()
385 subflow->remote_nonce, subflow->local_nonce, in subflow_thmac_valid()
390 subflow, subflow->token, thmac, subflow->thmac); in subflow_thmac_valid()
392 return thmac == subflow->thmac; in subflow_thmac_valid()
397 struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(ssk); in mptcp_subflow_reset() local
398 struct sock *sk = subflow->conn; in mptcp_subflow_reset()
441 struct mptcp_subflow_context *subflow, in subflow_set_remote_key() argument
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| D | options.c | 406 struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(sk); in mptcp_syn_options() local
411 subflow->snd_isn = TCP_SKB_CB(skb)->end_seq; in mptcp_syn_options()
412 if (subflow->request_mptcp) { in mptcp_syn_options()
418 } else if (subflow->request_join) { in mptcp_syn_options()
419 pr_debug("remote_token=%u, nonce=%u", subflow->remote_token, in mptcp_syn_options()
420 subflow->local_nonce); in mptcp_syn_options()
422 opts->join_id = subflow->local_id; in mptcp_syn_options()
423 opts->token = subflow->remote_token; in mptcp_syn_options()
424 opts->nonce = subflow->local_nonce; in mptcp_syn_options()
425 opts->backup = subflow->request_bkup; in mptcp_syn_options()
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| D | protocol.c | 84 struct mptcp_subflow_context *subflow; in __mptcp_socket_create() local
95 subflow = mptcp_subflow_ctx(ssock->sk); in __mptcp_socket_create()
96 list_add(&subflow->node, &msk->conn_list); in __mptcp_socket_create()
98 subflow->request_mptcp = 1; in __mptcp_socket_create()
99 subflow->subflow_id = msk->subflow_id++; in __mptcp_socket_create()
102 subflow->local_id_valid = 1; in __mptcp_socket_create()
358 struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(ssk); in __mptcp_move_skb() local
378 MPTCP_SKB_CB(skb)->map_seq = mptcp_subflow_get_mapped_dsn(subflow); in __mptcp_move_skb()
496 static long mptcp_timeout_from_subflow(const struct mptcp_subflow_context *subflow) in mptcp_timeout_from_subflow() argument
498 const struct sock *ssk = mptcp_subflow_tcp_sock(subflow); in mptcp_timeout_from_subflow()
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| D | pm.c | 188 const struct mptcp_subflow_context *subflow) in mptcp_pm_subflow_check_next() argument
193 update_subflows = subflow->request_join || subflow->mp_join; in mptcp_pm_subflow_check_next()
222 struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(ssk); in mptcp_pm_add_addr_received() local
223 struct mptcp_sock *msk = mptcp_sk(subflow->conn); in mptcp_pm_add_addr_received()
296 struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(ssk); in mptcp_pm_mp_prio_received() local
297 struct sock *sk = subflow->conn; in mptcp_pm_mp_prio_received()
300 pr_debug("subflow->backup=%d, bkup=%d\n", subflow->backup, bkup); in mptcp_pm_mp_prio_received()
302 if (subflow->backup != bkup) in mptcp_pm_mp_prio_received()
303 subflow->backup = bkup; in mptcp_pm_mp_prio_received()
310 struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(sk); in mptcp_pm_mp_fail_received() local
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| D | protocol.h | 543 mptcp_subflow_tcp_sock(const struct mptcp_subflow_context *subflow) in mptcp_subflow_tcp_sock() argument
545 return subflow->tcp_sock; in mptcp_subflow_tcp_sock()
549 mptcp_subflow_ctx_reset(struct mptcp_subflow_context *subflow) in mptcp_subflow_ctx_reset() argument
551 memset(&subflow->reset, 0, sizeof(subflow->reset)); in mptcp_subflow_ctx_reset()
552 subflow->request_mptcp = 1; in mptcp_subflow_ctx_reset()
556 mptcp_subflow_get_map_offset(const struct mptcp_subflow_context *subflow) in mptcp_subflow_get_map_offset() argument
558 return tcp_sk(mptcp_subflow_tcp_sock(subflow))->copied_seq - in mptcp_subflow_get_map_offset()
559 subflow->ssn_offset - in mptcp_subflow_get_map_offset()
560 subflow->map_subflow_seq; in mptcp_subflow_get_map_offset()
564 mptcp_subflow_get_mapped_dsn(const struct mptcp_subflow_context *subflow) in mptcp_subflow_get_mapped_dsn() argument
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| D | fastopen.c | 9 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()
61 void mptcp_fastopen_gen_msk_ackseq(struct mptcp_sock *msk, struct mptcp_subflow_context *subflow, in mptcp_fastopen_gen_msk_ackseq() argument
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| D | sockopt.c | 72 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()
79 struct sock *ssk = mptcp_subflow_tcp_sock(subflow); in mptcp_sol_socket_sync_intval()
115 subflow->setsockopt_seq = msk->setsockopt_seq; in mptcp_sol_socket_sync_intval()
149 struct mptcp_subflow_context *subflow; in mptcp_setsockopt_sol_socket_tstamp() local
159 mptcp_for_each_subflow(msk, subflow) { in mptcp_setsockopt_sol_socket_tstamp()
160 struct sock *ssk = mptcp_subflow_tcp_sock(subflow); in mptcp_setsockopt_sol_socket_tstamp()
211 struct mptcp_subflow_context *subflow; in mptcp_setsockopt_sol_socket_timestamping() local
237 mptcp_for_each_subflow(msk, subflow) { in mptcp_setsockopt_sol_socket_timestamping()
238 struct sock *ssk = mptcp_subflow_tcp_sock(subflow); in mptcp_setsockopt_sol_socket_timestamping()
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| D | sched.c | 118 void mptcp_subflow_set_scheduled(struct mptcp_subflow_context *subflow, in mptcp_subflow_set_scheduled() argument
121 WRITE_ONCE(subflow->scheduled, scheduled); in mptcp_subflow_set_scheduled()
126 struct mptcp_subflow_context *subflow; in mptcp_sched_get_send() local
142 mptcp_for_each_subflow(msk, subflow) { in mptcp_sched_get_send()
143 if (READ_ONCE(subflow->scheduled)) in mptcp_sched_get_send()
155 struct mptcp_subflow_context *subflow; in mptcp_sched_get_retrans() local
164 mptcp_for_each_subflow(msk, subflow) { in mptcp_sched_get_retrans()
165 if (READ_ONCE(subflow->scheduled)) in mptcp_sched_get_retrans()
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| D | token.c | 153 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()
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| D | pm_netlink.c | 118 struct mptcp_subflow_context *subflow; in lookup_subflow_by_saddr() local
122 list_for_each_entry(subflow, list, node) { in lookup_subflow_by_saddr()
123 skc = (struct sock_common *)mptcp_subflow_tcp_sock(subflow); in lookup_subflow_by_saddr()
136 struct mptcp_subflow_context *subflow; in lookup_subflow_by_daddr() local
140 list_for_each_entry(subflow, list, node) { in lookup_subflow_by_daddr()
141 skc = (struct sock_common *)mptcp_subflow_tcp_sock(subflow); in lookup_subflow_by_daddr()
422 struct mptcp_subflow_context *subflow; in fill_remote_addresses_vec() local
443 mptcp_for_each_subflow(msk, subflow) { in fill_remote_addresses_vec()
444 ssk = mptcp_subflow_tcp_sock(subflow); in fill_remote_addresses_vec()
446 addrs[i].id = subflow->remote_id; in fill_remote_addresses_vec()
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| D | pm_userspace.c | 353 struct mptcp_subflow_context *subflow; in mptcp_nl_find_ssk() local
358 mptcp_for_each_subflow(msk, subflow) { in mptcp_nl_find_ssk()
362 ssk = mptcp_subflow_tcp_sock(subflow); in mptcp_nl_find_ssk()
455 struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(ssk); in mptcp_nl_cmd_sf_destroy() local
462 mptcp_close_ssk(sk, ssk, subflow); in mptcp_nl_cmd_sf_destroy()
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| 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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| D | Kconfig | 10 subflows in order to utilize multiple network paths. Each subflow
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| /Linux-v6.6/tools/testing/selftests/net/mptcp/ |
| D | mptcp_join.sh | 1948 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
1957 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
1966 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
1975 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
1976 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow
1985 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
1986 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow
1995 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow dev ns2eth3
2008 pm_nl_add_endpoint $ns2 10.0.1.2 flags subflow
2019 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
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| D | pm_netlink.sh | 87 ip netns exec $ns1 ./pm_nl_ctl add 10.0.1.2 flags subflow dev lo
177 ip netns exec $ns1 ./pm_nl_ctl add 10.0.1.1 flags subflow
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| D | simult_flows.sh | 91 ip netns exec "$ns1" ./pm_nl_ctl add 10.0.2.1 dev ns1eth2 flags subflow
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| /Linux-v6.6/include/trace/events/ |
| D | mptcp.h | 20 TP_PROTO(struct mptcp_subflow_context *subflow),
22 TP_ARGS(subflow),
36 __entry->active = mptcp_subflow_active(subflow);
37 __entry->backup = subflow->backup;
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);
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| /Linux-v6.6/Documentation/networking/ |
| D | mptcp-sysctl.rst | 38 by the initial subflow if the value is 1. This controls a flag that is
51 socket. In-kernel path management will control subflow
54 API. Userspace path management puts per-MPTCP-connection subflow
68 pending outstanding data on a given subflow required to declare it stale.
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