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smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=LuSlkvvt; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="LuSlkvvt" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1E97CC4CECE for ; Sat, 21 Dec 2024 11:32:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1734780750; bh=n77PdpdwIiwQgUxfVMwgXOBmu40xb9vVmDJT0YKzpW0=; h=Date:To:From:Subject:From; b=LuSlkvvtW2x/rEAZfDmitNcPQsM/CJv3vN9LDWj8iW7zimzt9yA66kKtSQxRXf7P5 +fHsTNwsxnSm2nZEXIQjoBLAzxJ59vCaNTt9VfS7R9JZif25XFn2ypq1sElrBRlEET HIVdzpsnd1Si75Vf9VI7wgeyi03+htyzUq7djSAuWtkkh6qnKarF4kF9W/CZdQewrK fZa+DVUlS11T7mjzbcS0GlwPoo+JBQjM5XVoJcfNC8+DAxdLM07zYgs3sZVn7EOmSz mEvailzsT5oQVRK0WTpnxoCaM7dIIoRtyy32k5T90ycidyadWFvwJX/UBZDYW90vek bC5N7luFYA4gA== Message-ID: <3775f729-dffd-4ecc-8dde-dfce17e775bf@kernel.org> Date: Sat, 21 Dec 2024 12:32:28 +0100 Precedence: bulk X-Mailing-List: mptcp@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Beta Content-Language: en-GB To: MPTCP Linux From: Matthieu Baerts Subject: [Weekly meetings] MoM - 18th of December 2024 Autocrypt: addr=matttbe@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 8bit Hello everyone, This week, we had our new meeting with Mat (Cruise), Christoph (Apple), and myself (NGI0 Core). Thanks again for this new good meeting! Here are the minutes of the meeting: Accepted patches: - The list of accepted patches can be seen on PatchWork: https://patchwork.kernel.org/project/mptcp/list/?state=3 netdev (if mptcp ML is in cc) (by: Matthieu Baerts): 13884930: [6.6.y] mptcp: fix possible integer overflow in mptcp_reset_tout_timer: - Submitter: Matthieu Baerts - URL: https://patchwork.kernel.org/project/mptcp/patch/20241125140450.3752859-2-matttbe@kernel.org/ 13884931: [6.1.y] mptcp: fix possible integer overflow in mptcp_reset_tout_timer: - Submitter: Matthieu Baerts - URL: https://patchwork.kernel.org/project/mptcp/patch/20241125140524.3753666-2-matttbe@kernel.org/ 13899476: [net] tcp: check space before adding MPTCP SYN options: - Submitter: Matthieu Baerts - URL: https://patchwork.kernel.org/project/mptcp/patch/20241209-net-mptcp-check-space-syn-v1-1-2da992bb6f74@kernel.org/ 13907805: [net-next,1/7] mptcp: add mptcp_userspace_pm_lookup_addr helper 13907806: [net-next,2/7] mptcp: add mptcp_for_each_userspace_pm_addr macro 13907807: [net-next,3/7] mptcp: add mptcp_userspace_pm_get_sock helper 13907808: [net-next,4/7] mptcp: move mptcp_pm_remove_addrs into pm_userspace 13907809: [net-next,5/7] mptcp: drop free_list for deleting entries 13907810: [net-next,6/7] mptcp: change local addr type of subflow_destroy 13907811: [net-next,7/7] mptcp: drop useless "err = 0" in subflow_destroy: - Series: mptcp: pm: userspace: misc cleanups - Submitter: Matthieu Baerts - URL: https://patchwork.kernel.org/project/mptcp/list/?series=917749&state=*&archive=both our repo (by: Geliang Tang): 13894758: [mptcp-next,v4,1/7] mptcp: add mptcp_userspace_pm_lookup_addr helper 13894759: [mptcp-next,v4,2/7] mptcp: add mptcp_for_each_userspace_pm_addr macro 13894760: [mptcp-next,v4,3/7] mptcp: add mptcp_userspace_pm_get_sock helper 13894762: [mptcp-next,v4,4/7] mptcp: move mptcp_pm_remove_addrs into pm_userspace 13894761: [mptcp-next,v4,5/7] mptcp: drop free_list for deleting entries 13894763: [mptcp-next,v4,6/7] mptcp: change local addr type of subflow_destroy 13894764: [mptcp-next,v4,7/7] mptcp: drop useless "err = 0" in subflow_destroy: - Series: BPF path manager, part 1 - Submitter: Geliang Tang - URL: https://patchwork.kernel.org/project/mptcp/list/?series=914798&state=*&archive=both 13902794: [mptcp-next,v5,1/5] bpf: Extend bpf_skc_to_mptcp_sock to MPTCP sock 13902795: [mptcp-next,v5,2/5] bpf: Allow use of skc_to_mptcp_sock in cg_sockopt 13902796: [mptcp-next,v5,3/5] Squash to "bpf: Register mptcp common kfunc set" 13902797: [mptcp-next,v5,4/5] Squash to "bpf: Add mptcp_subflow bpf_iter" 13902798: [mptcp-next,v5,5/5] Squash to "selftests/bpf: Add mptcp_subflow bpf_iter subtest": - Series: Squash to "Add mptcp_subflow bpf_iter support" - Submitter: Geliang Tang - URL: https://patchwork.kernel.org/project/mptcp/list/?series=916627&state=*&archive=both Pending patches: - The list of pending patches can be seen on PatchWork: https://patchwork.kernel.org/project/mptcp/list/?state=* netdev (if mptcp ML is in cc) (by: Yunsheng Lin): 13897129: [net-next,v2,09/10] net: replace page_frag with page_frag_cache 13868390: [bpf-next/net,1/5] bpf: Register mptcp common kfunc set 13868391: [bpf-next/net,2/5] bpf: Add mptcp_subflow bpf_iter 13868392: [bpf-next/net,3/5] bpf: Acquire and release mptcp socket 13868393: [bpf-next/net,4/5] selftests/bpf: More endpoints for endpoint_init 13868416: [bpf-next/net,5/5] selftests/bpf: Add mptcp_subflow bpf_iter subtest: - State: Changes requested - Series: bpf: Add mptcp_subflow bpf_iter support - Submitter: Matthieu Baerts - URL: https://patchwork.kernel.org/project/mptcp/list/?series=907856&state=*&archive=both - TODO: Matth: send new version: Done our repo (by: Gang Yan, Geliang Tang, Gregory Detal, Matthieu Baerts, Paolo Abeni): 12282223: [RESEND,RFC,mptpcp-next] mptcp: add ooo prune support: 13070467: [mptcp-next,v4,1/2] mptcp: update mptcp_push_release 13070468: [mptcp-next,v4,2/2] mptcp: retrans for redundant sends: - State: Changes requested - Series: BPF redundant scheduler, part 3 - Submitter: Geliang Tang - URL: https://patchwork.kernel.org/project/mptcp/list/?series=703615&state=*&archive=both - status: same 13305089: [mptcp-next,1/6] mptcp: sockopt: move tcp_inq code to a dedicated function 13305091: [mptcp-next,2/6] mptcp: sockopt: update supported list 13305093: [mptcp-next,3/6] mptcp: sockopt: get val in a generic way 13305090: [mptcp-next,4/6] mptcp: sockopt: add missing getsockopt() options 13305094: [mptcp-next,5/6] mptcp: sockopt: set val in a generic way 13305092: [mptcp-next,6/6] mptcp: sockopt: support IP_TTL & IPV6_UNICAST_HOPS: - State: Changes requested - Series: mptcp: sockopt: uniform code to get/set values - Submitter: Matthieu Baerts - URL: https://patchwork.kernel.org/project/mptcp/list/?series=763505&state=*&archive=both - status: same 13583230: [RFC] mptcp: react scheduler when subflow events pop up: - State: Changes requested - Submitter: Geliang Tang - URL: https://patchwork.kernel.org/project/mptcp/patch/433320c3a9db77bea53a34fc9c43a3c7e3320399.1709693691.git.tanggeliang@kylinos.cn/ - status: same 13675217: [mptcp-next,RFC,1/4] mptcp: add push sched callback 13675218: [mptcp-next,RFC,2/4] mptcp: use new push callback to schedule chunks 13675219: [mptcp-next,RFC,3/4] mptcp: bpf: allow to write to mptcp_sched_chunk 13675220: [mptcp-next,RFC,4/4] selftests/bpf: mptcp RR: send 1 MSS on each subflow: - State: RFC - Series: mptcp: update scheduler API - Submitter: Gregory Detal - URL: https://patchwork.kernel.org/project/mptcp/list/?series=856158&state=*&archive=both - status: same 13750069: [mptcp-next,1/4] selftests: mptcp: add cfg_timeo for mptcp_connect 13750070: [mptcp-next,2/4] selftests: mptcp: add io thread mode for mptcp_connect 13750071: [mptcp-next,3/4] selftests: mptcp: enable io thread mode 13750072: [mptcp-next,4/4] selftests: mptcp: join: add io thread tests: - State: Changes requested - Series: add io thread mode tests - Submitter: Geliang Tang - URL: https://patchwork.kernel.org/project/mptcp/list/?series=875830&state=*&archive=both - status: same 13845402: [mptcp-next,v2,29/36] mptcp: define struct mptcp_pm_ops 13845403: [mptcp-next,v2,30/36] mptcp: implement userspace pm interfaces 13845404: [mptcp-next,v2,31/36] mptcp: register default userspace pm 13845405: [mptcp-next,v2,32/36] bpf: Add mptcp path manager struct_ops 13845406: [mptcp-next,v2,33/36] bpf: Register mptcp struct_ops kfunc set 13845407: [mptcp-next,v2,34/36] Squash to "bpf: Export mptcp packet scheduler helpers" 13845408: [mptcp-next,v2,35/36] selftests/bpf: Add mptcp userspace pm subtest 13845409: [mptcp-next,v2,36/36] selftests/bpf: Add mptcp bpf path manager subtest: - State: Changes requested - Series: BPF path manager - Submitter: Geliang Tang - URL: https://patchwork.kernel.org/project/mptcp/list/?series=901761&state=*&archive=both 13865804: [mptcp-next,v3,1/5] selftests/bpf: Add mptcp pm_nl_ctl link 13865805: [mptcp-next,v3,2/5] selftests/bpf: Use pm_nl_ctl if ip mptcp not supported 13865806: [mptcp-next,v3,3/5] bpf: Add mptcp_userspace_pm_addr bpf_iter 13865807: [mptcp-next,v3,4/5] bpf: Export more helpers for mptcp_userspace_pm_addr test 13865808: [mptcp-next,v3,5/5] selftests/bpf: Add mptcp_userspace_pm_addr bpf_iter subtest: - State: Needs ack - Series: add mptcp_address bpf_iter - Submitter: Geliang Tang - URL: https://patchwork.kernel.org/project/mptcp/list/?series=907195&state=*&archive=both - status: same 13881593: [mptcp-next,1/8] mptcp: split get_subflow interface into two 13881594: [mptcp-next,2/8] Squash to "selftests/bpf: Add bpf_first scheduler & test" 13881595: [mptcp-next,3/8] Squash to "selftests/bpf: Add bpf_bkup scheduler & test" 13881596: [mptcp-next,4/8] Squash to "selftests/bpf: Add bpf_rr scheduler & test" 13881597: [mptcp-next,5/8] Squash to "selftests/bpf: Add bpf_red scheduler & test" 13881598: [mptcp-next,6/8] Squash to "selftests/bpf: Add bpf_burst scheduler & test" 13881599: [mptcp-next,7/8] Squash to "bpf: Export mptcp packet scheduler helpers" 13881600: [mptcp-next,8/8] Squash to "selftests/bpf: Add bpf_burst scheduler & test": - State: Needs ack - Series: split get_subflow interface into two - Submitter: Geliang Tang - URL: https://patchwork.kernel.org/project/mptcp/list/?series=911397&state=*&archive=both 13897106: [mptcp-next,v2,1/7] mptcp: prevent excessive coalescing on receive 13897107: [mptcp-next,v2,2/7] tcp: fix recvbuffer adjust on sleeping rcvmsg 13897108: [mptcp-next,v2,3/7] mptcp: don't always assume copied data in mptcp_cleanup_rbuf() 13897109: [mptcp-next,v2,4/7] mptcp: consolidate subflow cleanup 13897110: [mptcp-next,v2,5/7] mptcp: move the whole rx path under msk socket lock protection 13897111: [mptcp-next,v2,6/7] mptcp: cleanup mem accounting. 13897112: [mptcp-next,v2,7/7] net: dismiss sk_forward_alloc_get(): - State: Under review - Series: mptcp: rx path refactor - Submitter: Paolo Abeni - URL: https://patchwork.kernel.org/project/mptcp/list/?series=915337&state=*&archive=both 13900810: [mptcp-next,v11,1/9] bpf: Add bpf_mptcp_send_info_to_ssk 13900811: [mptcp-next,v11,2/9] Squash to "selftests/bpf: Add bpf_bkup scheduler & test" 13900812: [mptcp-next,v11,3/9] Squash to "selftests/bpf: Add bpf_rr scheduler & test" 13900813: [mptcp-next,v11,4/9] Squash to "selftests/bpf: Add bpf_red scheduler & test" 13900814: [mptcp-next,v11,5/9] Squash to "selftests/bpf: Add bpf_burst scheduler & test" 13900815: [mptcp-next,v11,6/9] Squash to "selftests/bpf: Add bpf_first scheduler & test" 13900816: [mptcp-next,v11,7/9] Revert "mptcp: add sched_data helpers" 13900818: [mptcp-next,v11,8/9] Squash to "bpf: Export mptcp packet scheduler helpers" 13900817: [mptcp-next,v11,9/9] mptcp: drop subflow contexts in mptcp_sched_data: 13906638: [mptcp-next] Squash to "bpf: Add bpf_mptcp_send_info_to_ssk": - State: New - Series: use bpf_iter in bpf schedulers - Submitter: Geliang Tang - URL: https://patchwork.kernel.org/project/mptcp/list/?series=916204&state=*&archive=both 13903215: [mptcp-next] mptcp: fix invalid addr occupy 'add_addr_accepted': - State: New - Submitter: Gang Yan - URL: https://patchwork.kernel.org/project/mptcp/patch/tencent_0FE3ED0442E69C9D86C0AEEE338A49F90305@qq.com/ 13905650: [mptcp-next,1/2] mptcp: dismiss __mptcp_rmem() 13905651: [mptcp-next,2/2] mptcp: micro-optimize __mptcp_move_skb(): - State: New - Series: mptcp: rx refactor follow-ups - Submitter: Paolo Abeni - URL: https://patchwork.kernel.org/project/mptcp/list/?series=917303&state=*&archive=both 13906630: [mptcp-next,v2,1/8] mptcp: make three pm wrappers static 13906631: [mptcp-next,v2,2/8] mptcp: drop skb parameter of get_addr 13906632: [mptcp-next,v2,3/8] mptcp: add id parameter for get_addr 13906633: [mptcp-next,v2,4/8] mptcp: reuse sending nlmsg code in get_addr 13906634: [mptcp-next,v2,5/8] mptcp: change info of get_addr as const 13906635: [mptcp-next,v2,6/8] mptcp: add info parameter for dump_addr 13906636: [mptcp-next,v2,7/8] mptcp: add mptcp_pm_addr_id_bitmap_t type 13906637: [mptcp-next,v2,8/8] mptcp: reuse sending nlmsg code in dump_addr: - State: New - Series: BPF path manager, part 2 - Submitter: Geliang Tang - URL: https://patchwork.kernel.org/project/mptcp/list/?series=917487&state=*&archive=both - TODO: Matth: look at it 13909382: [mptcp-next,v3] mptcp: use GENL_REQ_ATTR_CHECK for token: - State: Changes requested - Submitter: Geliang Tang - URL: https://patchwork.kernel.org/project/mptcp/patch/d9c76c6c008c770046f665a4a4e93735fd121399.1734337790.git.tanggeliang@kylinos.cn/ 13909518: [mptcp-net,v2,1/3] netlink: specs: mptcp: add missing 'server-side' attr 13909519: [mptcp-net,v2,2/3] netlink: specs: mptcp: clearly mention attributes 13909520: [mptcp-net,v2,3/3] netlink: specs: mptcp: fix missing doc: - State: Queued - Series: netlink: specs: mptcp: events: missing and clearer attr - Submitter: Matthieu Baerts - URL: https://patchwork.kernel.org/project/mptcp/list/?series=918161&state=*&archive=both Issues on GitHub: https://github.com/multipath-tcp/mptcp_net-next/issues/ Recently opened (latest from the last meeting: 530): 536 PM: new subflow: avoid selecting initial endpoint upon `ADD_ADDR` reception if servers deny MPJ to initial address [enhancement] [pm]: - otherwise, the other interfaces are likely never used 535 TCPDump: display `MP_CAPABLE` C flag [enhancement]: - This flag is not displayed if set. It is important, it should be shown. 532 Userspace PM doesn't have access to `allow_join_id0` / `allow_join_initial_addr_port` bit from the SYN-ACK [enhancement]: - The userspace daemon doesn't know if the C flag has been set or not Syzbot reports: - general protection fault in put_page (4): - https://syzkaller.appspot.com/bug?extid=38a095a81f30d82884c1 - Matth is trying to bisect this: the one reported on syzbot side looks wrong → Paolo found the issue - [syzbot] [mptcp?] WARNING in __mptcp_clean_una (2): - https://syzkaller.appspot.com/bug?extid=ebc0b8ae5d3590b2c074 - Not urgent, but needs to be fixed Recently discussed: 530 about mptcp subflow creation question [question] [feedback-needed] [triage]: - probably an old kernel being used 498 in-kernel PM: closed subflows before `RM_ADDR` will not decrement `add_addr_accepted` [bug] [pm] @geliangtang: - recently assigned to Geliang (his colleague) - See patch above Bugs (opened, flagged as "bug" and assigned) 529 BUG: sleeping function called from invalid context in BPF sched selftests [bug] [selftests] [sched] [bpf] @geliangtang 498 in-kernel PM: closed subflows before `RM_ADDR` will not decrement `add_addr_accepted` [bug] [pm] @geliangtang 487 `send()` fails with `EAGAIN` in blocking IO mode [bug] [selftests] [sched] @geliangtang 484 BPF: `setsockopt` on an MPTCP socket: check support [bug] [bpf] @geliangtang 445 MPTCP Info counters: start seq numbers ones from 0 [bug] @geliangtang 403 userspace pm: only remove entry from `local_addr_list` when sending a `REMOVE_ADDR` [bug] [pm] @geliangtang 343 scheduler: react when subflow-level events pop up (ACK/RTO) [bug] [sched] @geliangtang Bugs (opened and flagged as "bug" and not assigned) 508 Divide error on device removal [bug] [feedback-needed] 505 Subflows won't be used when the interface for the main flow is a subinterface [bug] [feedback-needed] 501 Why do endpoint tcp connections close? [bug] [feedback-needed] 499 selftests: `mptcp_connect.sh`: disconnect test timed out [bug] [selftests] 495 [syzkaller] KASAN: slab-use-after-free Read in `__inet6_lookup_established` [bug] [syzkaller] 494 [syzkaller] WARNING in `__skb_flow_dissect` [bug] [syzkaller] 492 userspace pm: subflows counter: not updated when a subflows is removed from the other end [bug] 491 selftests: `mptcp_join`: tests `Infinite map` & `MP_FAIL MP_RST` are unstable [bug] [selftests] 483 [6.1] selftests: `mptcp_connect.sh` failures with `copyfd_io_poll: poll timed out` errors [bug] [selftests] 476 packetdrill: coalescing feature doesn't take into account MPTCP options [bug] [packetdrill] 475 `simult_flows`: unbalanced bwidth tests are unstable [bug] [selftests] 439 mptcp vs net.ipv4.tcp_shrink_window [bug] 416 No new subflow when removing an endpoint and adding a new one [bug] [feedback-needed] 336 Issues with BPF packet scheduler [bug] [sched] [bpf] 325 selftests: `mptcp_join`: test 18 `signal addresses race test` is sometimes failing [bug] [selftests] 324 selftests: `mptcp_join`: tests `fastclose test` & `fastclose server test` are sometimes failing [bug] [selftests] 315 Issues with backup flow [bug] In Progress (opened, new feature and assigned) 514 Add MIB counters for fallback to TCP [enhancement] @geliangtang 480 MPTCP and KTLS support [enhancement] @geliangtang 434 in-kernel PM: increase subflows limit [enhancement] [pm] @matttbe 353 sockopt: uniform code to get/set values [enhancement] @matttbe 349 scheduler: (un)mark a subflow as "stale" [enhancement] [sched] @geliangtang 296 Support IP_TTL & IPV6_UNICAST_HOPS [enhancement] @matttbe 167 packetdrill: add coverage for RM_ADDR [enhancement] [packetdrill] @dcaratti 75 BPF: packet scheduler [enhancement] [sched] [bpf] @geliangtang 74 BPF: path manager [enhancement] [pm] [bpf] @geliangtang Assigned Questions (opened, questions and assigned) None. Open questions (opened, questions and not assigned) 530 about mptcp subflow creation question [question] [feedback-needed] [triage] 520 Question about proper MPTCP configuration over VPN. [question] [feedback-needed] 502 Question for ip-mptcp command [question] 489 IPv6 Rejoin Subflow [question] 459 Are the endpoint flags `signal` and `subflow` meant to be exclusive? or how to get MPTCP to work for both directions? [question] 452 mptcp causes the network to become very slow [question] 412 shadowsocks-libev not working, need guidance for PM configuration [question] 411 Problem with IPROTO [question] For later (opened and not assigned) 536 PM: new subflow: avoid selecting initial endpoint upon `ADD_ADDR` reception if servers deny MPJ to initial address [enhancement] [pm] 535 TCPDump: display `MP_CAPABLE` C flag [enhancement] 532 Userspace PM doesn't have access to `allow_join_id0` / `allow_join_initial_addr_port` bit from the SYN-ACK [enhancement] 525 tests: cover more MPTCP socket options [enhancement] [packetdrill] [selftests] 521 Implement psock_update_sk_prot, for eBPF SOCKMAP support [enhancement] 519 Reset the connection once "MPTCP has been verified" instead of a fallback [enhancement] 515 Add `TCP_MAXSEG` socket option support [enhancement] 511 Add MIB counters for sent `MPTCP_RST_EMPTCP` [enhancement] 503 in-kernel PM: use endpoints only to create subflows with received `ADD_ADDR` [enhancement] [pm] 497 in-kernel PM: check to create new subflows when some are destroyed [enhancement] [pm] 496 in-kernel PM: store received `ADD_ADDR` [enhancement] [pm] 481 remove refcount on TCP sockets for the timers [enhancement] 467 Scheduler: add redundant scheduler support in BPF [enhancement] [sched] 462 selftests: print (and set?) random seed [enhancement] [selftests] 461 Protocol: extend Data-Level Length field [enhancement] [protocol] 448 Allow sending ADD_ADDR IPv6 with port-number if TCP-timestamps are enabled [enhancement] 441 optimize established options generation [enhancement] 440 in-kernel PM: re-establish subflows after "network" errors [enhancement] [pm] 426 selftests: validate listener sockets with multiple accepts [enhancement] [selftests] 397 Doc and guidance for users [enhancement] [documentation] 396 ci: periodically run selftests from the export branch on stable kernels [enhancement] [selftests] 389 packetdrill: increase coverage for "early `close()`" cases [enhancement] [packetdrill] 350 scheduler: API changes (tasks) [enhancement] [sched] 348 scheduler: frequently probe "stale" subflow with reinjected data [enhancement] [sched] 345 scheduler: "penalise" some subflows by sending less than their cwnd [enhancement] [sched] 344 scheduler: new callback to initiate optimisations [enhancement] [sched] 337 in-kernel PM: listen socket: support "behind a NAT" use case [enhancement] [pm] 335 Server to Client subflows: option to allow joining the initial address and port [enhancement] [pm] 334 in-kernel PM: send >1 ADD_ADDR before the establishment of a new subflow [enhancement] [pm] 333 New MIBs to help understanding issues when PM cannot create new subflows [enhancement] [pm] 332 scheduler: implement a "opportunistic retransmission" [enhancement] [sched] 298 CG Memory accounting for passive MPTCP socket [enhancement] 289 mptcp: audit comments for non inclusive language [enhancement] 273 Packetdrill: test outgoing MP_FASTCLOSE [enhancement] [packetdrill] 266 Packetdrill: add MP_FAIL coverage [packetdrill] 236 Review supported sockopts list [enhancement] 234 Packetdrill: Support MPC+DATA+checksum error [enhancement] [packetdrill] 222 Netlink event API: add SUBFLOW_CREATED event [enhancement] 215 TCP Urgent pointer and MPTCP [enhancement] 213 add MPTCP man page [enhancement] 208 better handing of ssk memory pressure in the TX path [enhancement] 202 Add sendmsg support for ancillary data [enhancement] 197 more mibs needed [enhancement] 180 Get an update when MPTCP fall back to TCP [enhancement] 177 improve retransmit subflow selection [enhancement] 169 packetdrill: add coverage for ADD_ADDR and MP_JOIN on a different port [enhancement] [packetdrill] 150 remove completely workqueue usage [enhancement] 141 avoid acquiring mptcp_data_lock() twice in the receive path [enhancement] 78 notify the application (userspace) when a subflow is added/removed [enhancement] 41 reduce indirect call usage [enhancement] 24 Revisit layout of struct mptcp_subflow_context [enhancement] Recently closed (since 2024-12-04) 534 Kernel built-in PM is unreliable [bug]: - fixed after having updated the kernel 533 Userspace PM can't specify if_idx on MPTCP_PM_CMD_SUBFLOW_CREATE [bug]: - fixed after having updated the kernel 531 Issue creating subflow 2/ backup subflow to a remote endpoint [question] [triage]: - limits were too low Packetdrill PRs 52 3 years ago dcaratti Add initial coverage for RM_ADDR mptcp.dev PRs 38 1 hour ago matttbe faq: enable MPTCP support with OpenSSH: - Mat will look at it mptcpd PRs 316 26 days ago matttbe mptcpize: set `GODEBUG=multipathtcp=1` env var 315 26 days ago matttbe mptcpize: do not override existing LD_PRELOAD value 314 13 days ago matttbe musl compat FYI: Current Roadmap: - Bugs: https://github.com/multipath-tcp/mptcp_net-next/issues?q=is%3Aissue+is%3Aopen+label%3Abug - Current/Coming merge window (6.14): https://github.com/orgs/multipath-tcp/projects/12 - For later: https://github.com/orgs/multipath-tcp/projects/1 Patches to send to NetDev: - Fixes for other trees: / - Fixes for -net: / - Fixes for net-next: / - Features for net-next: / - Features for net-next (next): / - Features for other trees: - [1baca73d317d] bpf: Extend bpf_skc_to_mptcp_sock to MPTCP sock (Geliang Tang) - [04eb1bd60525] bpf: Allow use of skc_to_mptcp_sock in cg_sockopt (Geliang Tang) - [bfb93727315c] bpf: Register mptcp common kfunc set (Geliang Tang) - [c12fb7b60a4b] bpf: Add mptcp_subflow bpf_iter (Geliang Tang) - [4bbef03b1190] bpf: Acquire and release mptcp socket (Geliang Tang) - [41322b880f9b] selftests/bpf: More endpoints for endpoint_init (Geliang Tang) - [d4e01cad6922] selftests/bpf: Add mptcp_subflow bpf_iter subtest (Geliang Tang): - TODO: Matth: send them → Done - [3e0343ae4130] mptcp: add sched_data helpers (Geliang Tang) - [e5c02d367e7c] bpf: Add bpf_mptcp_sched_ops (Geliang Tang) - [003917aaa225] bpf: Export mptcp packet scheduler helpers (Geliang Tang) - [de0f9a631883] selftests/bpf: Add bpf scheduler test (Geliang Tang) - [21eaba6c8e4d] selftests/bpf: Add bpf_first scheduler & test (Geliang Tang) - [3835105b6fcf] selftests/bpf: Add bpf_bkup scheduler & test (Geliang Tang) - [854af0bf3065] selftests/bpf: Add bpf_rr scheduler & test (Geliang Tang) - [f1e68ce61a16] selftests/bpf: Add bpf_red scheduler & test (Geliang Tang) - [e539983859ce] selftests/bpf: Add bpf_burst scheduler & test (Geliang Tang) Extra tests: - news about Syzkaller? (Christoph): - Christoph is looking at having it back - Packetdrill (Davide): - / - Patchew (Davide): - / - CI (Matth): - https://ci-results.mptcp.dev/flakes.html - https://netdev.bots.linux.dev/flakes.html?tn-needle=mptcp Next meeting: - Next meeting 1st of January is obviously cancelled. - Next one on Wednesday, the 15th of January. - 17:30 UTC (8.30am PDT, 5.30pm CEST, 11.30pm CST) - Still open to everyone! - https://annuel2.framapad.org/p/mptcp_upstreaming_20250115 Feel free to comment on these topics and suggest new ones for the next meeting! Talk to you in 2025, Matt -- Sponsored by the NGI0 Core fund.