| /Linux-v5.15/net/mptcp/ |
| D | subflow.c | 336 static bool subflow_thmac_valid(struct mptcp_subflow_context *subflow) in subflow_thmac_valid() argument
341 subflow_generate_hmac(subflow->remote_key, subflow->local_key, in subflow_thmac_valid()
342 subflow->remote_nonce, subflow->local_nonce, in subflow_thmac_valid()
347 subflow, subflow->token, in subflow_thmac_valid()
349 (unsigned long long)subflow->thmac); in subflow_thmac_valid()
351 return thmac == subflow->thmac; in subflow_thmac_valid()
356 struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(ssk); in mptcp_subflow_reset() local
357 struct sock *sk = subflow->conn; in mptcp_subflow_reset()
397 struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(sk); in subflow_finish_connect() local
399 struct sock *parent = subflow->conn; in subflow_finish_connect()
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| D | options.c | 399 struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(sk); in mptcp_syn_options() local
404 subflow->snd_isn = TCP_SKB_CB(skb)->end_seq; in mptcp_syn_options()
405 if (subflow->request_mptcp) { in mptcp_syn_options()
411 } else if (subflow->request_join) { in mptcp_syn_options()
412 pr_debug("remote_token=%u, nonce=%u", subflow->remote_token, in mptcp_syn_options()
413 subflow->local_nonce); in mptcp_syn_options()
415 opts->join_id = subflow->local_id; in mptcp_syn_options()
416 opts->token = subflow->remote_token; in mptcp_syn_options()
417 opts->nonce = subflow->local_nonce; in mptcp_syn_options()
418 opts->backup = subflow->request_bkup; in mptcp_syn_options()
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| D | protocol.c | 65 if (!msk->subflow || READ_ONCE(msk->can_ack)) in __mptcp_nmpc_socket()
68 return msk->subflow; in __mptcp_nmpc_socket()
103 struct mptcp_subflow_context *subflow; in __mptcp_socket_create() local
113 msk->subflow = ssock; in __mptcp_socket_create()
114 subflow = mptcp_subflow_ctx(ssock->sk); in __mptcp_socket_create()
115 list_add(&subflow->node, &msk->conn_list); in __mptcp_socket_create()
117 subflow->request_mptcp = 1; in __mptcp_socket_create()
277 struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(ssk); in __mptcp_move_skb() local
304 MPTCP_SKB_CB(skb)->map_seq = mptcp_subflow_get_mapped_dsn(subflow); in __mptcp_move_skb()
419 static long mptcp_timeout_from_subflow(const struct mptcp_subflow_context *subflow) in mptcp_timeout_from_subflow() argument
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| D | protocol.h | 262 struct socket *subflow; /* outgoing connect/listener/!mp_capable */ member
479 mptcp_subflow_tcp_sock(const struct mptcp_subflow_context *subflow) in mptcp_subflow_tcp_sock() argument
481 return subflow->tcp_sock; in mptcp_subflow_tcp_sock()
485 mptcp_subflow_get_map_offset(const struct mptcp_subflow_context *subflow) in mptcp_subflow_get_map_offset() argument
487 return tcp_sk(mptcp_subflow_tcp_sock(subflow))->copied_seq - in mptcp_subflow_get_map_offset()
488 subflow->ssn_offset - in mptcp_subflow_get_map_offset()
489 subflow->map_subflow_seq; in mptcp_subflow_get_map_offset()
493 mptcp_subflow_get_mapped_dsn(const struct mptcp_subflow_context *subflow) in mptcp_subflow_get_mapped_dsn() argument
495 return subflow->map_seq + mptcp_subflow_get_map_offset(subflow); in mptcp_subflow_get_mapped_dsn()
499 struct mptcp_subflow_context *subflow) in mptcp_add_pending_subflow() argument
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| D | sockopt.c | 69 struct mptcp_subflow_context *subflow; in mptcp_sol_socket_sync_intval() local
75 mptcp_for_each_subflow(msk, subflow) { in mptcp_sol_socket_sync_intval()
76 struct sock *ssk = mptcp_subflow_tcp_sock(subflow); in mptcp_sol_socket_sync_intval()
112 subflow->setsockopt_seq = msk->setsockopt_seq; in mptcp_sol_socket_sync_intval()
146 struct mptcp_subflow_context *subflow; in mptcp_setsockopt_sol_socket_tstamp() local
156 mptcp_for_each_subflow(msk, subflow) { in mptcp_setsockopt_sol_socket_tstamp()
157 struct sock *ssk = mptcp_subflow_tcp_sock(subflow); in mptcp_setsockopt_sol_socket_tstamp()
208 struct mptcp_subflow_context *subflow; in mptcp_setsockopt_sol_socket_timestamping() local
234 mptcp_for_each_subflow(msk, subflow) { in mptcp_setsockopt_sol_socket_timestamping()
235 struct sock *ssk = mptcp_subflow_tcp_sock(subflow); in mptcp_setsockopt_sol_socket_timestamping()
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| D | token.c | 153 struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(sk); in mptcp_token_new_connect() local
154 struct mptcp_sock *msk = mptcp_sk(subflow->conn); in mptcp_token_new_connect()
159 mptcp_crypto_key_gen_sha(&subflow->local_key, &subflow->token, in mptcp_token_new_connect()
160 &subflow->idsn); in mptcp_token_new_connect()
162 bucket = token_bucket(subflow->token); in mptcp_token_new_connect()
164 if (__token_bucket_busy(bucket, subflow->token)) { in mptcp_token_new_connect()
172 sk, subflow->local_key, subflow->token, subflow->idsn); in mptcp_token_new_connect()
174 WRITE_ONCE(msk->token, subflow->token); in mptcp_token_new_connect()
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| D | pm.c | 244 struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(sk); in mptcp_pm_mp_prio_received() local
246 pr_debug("subflow->backup=%d, bkup=%d\n", subflow->backup, bkup); in mptcp_pm_mp_prio_received()
247 subflow->backup = bkup; in mptcp_pm_mp_prio_received()
249 mptcp_event(MPTCP_EVENT_SUB_PRIORITY, mptcp_sk(subflow->conn), sk, GFP_ATOMIC); in mptcp_pm_mp_prio_received()
342 struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(ssk); in mptcp_pm_subflow_chk_stale() local
346 if (!subflow->stale_count) { in mptcp_pm_subflow_chk_stale()
347 subflow->stale_rcv_tstamp = rcv_tstamp; in mptcp_pm_subflow_chk_stale()
348 subflow->stale_count++; in mptcp_pm_subflow_chk_stale()
349 } else if (subflow->stale_rcv_tstamp == rcv_tstamp) { in mptcp_pm_subflow_chk_stale()
350 if (subflow->stale_count < U8_MAX) in mptcp_pm_subflow_chk_stale()
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| D | pm_netlink.c | 128 struct mptcp_subflow_context *subflow; in lookup_subflow_by_saddr() local
132 list_for_each_entry(subflow, list, node) { in lookup_subflow_by_saddr()
133 skc = (struct sock_common *)mptcp_subflow_tcp_sock(subflow); in lookup_subflow_by_saddr()
146 struct mptcp_subflow_context *subflow; in lookup_subflow_by_daddr() local
150 list_for_each_entry(subflow, list, node) { in lookup_subflow_by_daddr()
151 skc = (struct sock_common *)mptcp_subflow_tcp_sock(subflow); in lookup_subflow_by_daddr()
433 struct mptcp_subflow_context *subflow; in fill_remote_addresses_vec() local
448 mptcp_for_each_subflow(msk, subflow) { in fill_remote_addresses_vec()
449 ssk = mptcp_subflow_tcp_sock(subflow); in fill_remote_addresses_vec()
634 struct mptcp_subflow_context *subflow; in mptcp_pm_nl_addr_send_ack() local
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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-v5.15/tools/testing/selftests/net/mptcp/ |
| D | mptcp_join.sh | 948 ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow
955 ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow
963 ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow
971 ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow
972 ip netns exec $ns2 ./pm_nl_ctl add 10.0.2.2 flags subflow
980 ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow
981 ip netns exec $ns2 ./pm_nl_ctl add 10.0.2.2 flags subflow
989 ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow dev ns2eth3
1020 ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow
1030 ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow
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| D | pm_netlink.sh | 76 ip netns exec $ns1 ./pm_nl_ctl add 10.0.1.2 flags subflow dev lo
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| D | simult_flows.sh | 84 ip netns exec "$ns1" ./pm_nl_ctl add 10.0.2.1 dev ns1eth2 flags subflow
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| /Linux-v5.15/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-v5.15/Documentation/networking/ |
| D | mptcp-sysctl.rst | 38 by the initial subflow if the value is 1. This controls a flag that is
51 pending outstanding data on a given subflow required to declare it stale.
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