* [Weekly meetings] MoM - 6th of November 2024
@ 2024-11-07 20:12 Matthieu Baerts
0 siblings, 0 replies; only message in thread
From: Matthieu Baerts @ 2024-11-07 20:12 UTC (permalink / raw)
To: MPTCP Linux
Hello everyone,
This week, we had our new meeting with Mat (Cruise), Paolo (Redhat), 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: Geliang Tang, Matthieu Baerts):
13843828: [net,1/3] mptcp: init: protect sched with rcu_read_lock
13843830: [net,3/3] selftests: mptcp: list sysctl data:
- Series: mptcp: sched: fix some lock issues
- Submitter: Matthieu Baerts
- URL:
https://patchwork.kernel.org/project/mptcp/list/?series=901302&state=*&archive=both
13844310: [net-next,1/4] mptcp: pm: send ACK on non-stale subflows
13844311: [net-next,2/4] mptcp: annotate data-races around
subflow->fully_established
13844312: [net-next,3/4] mptcp: implement mptcp_pm_connection_closed
13844313: [net-next,4/4] mptcp: use "middlebox interference" RST when no
DSS:
- Series: mptcp: various small improvements
- Submitter: Matthieu Baerts
- URL:
https://patchwork.kernel.org/project/mptcp/list/?series=901451&state=*&archive=both
13857407: [bpf-next/net,v3] selftests/bpf: Drop netns helpers in mptcp:
- Submitter: Geliang Tang
- URL:
https://patchwork.kernel.org/project/mptcp/patch/c02fda3177b34f9e74a044833fda9761627f4d07.1730338692.git.tanggeliang@kylinos.cn/
13861259: [net-next] selftests: net: include lib/sh/*.sh with lib.sh:
- Submitter: Matthieu Baerts
- URL:
https://patchwork.kernel.org/project/mptcp/patch/20241104-net-next-selftests-lib-sh-deps-v1-1-7c9f7d939fc2@kernel.org/
13861314: [net,1/2] mptcp: no admin perm to list endpoints
13861315: [net,2/2] mptcp: use sock_kfree_s instead of kfree:
- Series: mptcp: pm: fix wrong perm and sock kfree
- Submitter: Matthieu Baerts
- URL:
https://patchwork.kernel.org/project/mptcp/list/?series=906038&state=*&archive=both
13861334: [net-next,v2] mptcp: remove unneeded lock when listing scheds:
- Submitter: Matthieu Baerts
- URL:
https://patchwork.kernel.org/project/mptcp/patch/20241104-net-next-mptcp-sched-unneeded-lock-v2-1-2ccc1e0c750c@kernel.org/
our repo (by: Geliang Tang):
13855896: [mptcp-next,v4,1/4] selftests/bpf: Drop netns helpers in mptcp
13855897: [mptcp-next,v4,2/4] Squash to "selftests/bpf: Add
mptcp_subflow bpf_iter subtest"
13855898: [mptcp-next,v4,3/4] Squash to "selftests/bpf: Add bpf
scheduler test"
13855899: [mptcp-next,v4,4/4] Squash to "selftests/bpf: Add bpf_first
scheduler & test":
- Series: add netns helpers
- Submitter: Geliang Tang
- URL:
https://patchwork.kernel.org/project/mptcp/list/?series=904491&state=*&archive=both
13857664: [mptcp-net] mptcp: use sock_kfree_s instead of kfree:
- Submitter: Geliang Tang
- URL:
https://patchwork.kernel.org/project/mptcp/patch/6a3e3dd94642cf24f3d6f97fb869d77d7315d5af.1730360928.git.tanggeliang@kylinos.cn/
13863887: [mptcp-net,v2,1/2] mptcp: update local address flags when
setting it
13863888: [mptcp-net,v2,2/2] mptcp: hold pm lock when deleting entry:
- Series: fixes for userspace pm
- Submitter: Geliang Tang
- URL:
https://patchwork.kernel.org/project/mptcp/list/?series=906742&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):
13853386: [RFC,09/10] net: replace page_frag with page_frag_cache
13863942: mptcp: remove the redundant assignment of 'new_ctx->tcp_sock'
in subflow_ulp_clone():
- State: New
- Submitter: MoYuanhao
- URL:
https://patchwork.kernel.org/project/mptcp/patch/20241106071035.2591-1-moyuanhao3676@163.com/
- Can be applied in net-next directly
our repo (by: Breno Leitao, Geliang Tang, Gregory Detal, Matthieu
Baerts, MoYuanhao, Tao Chen):
12282219: [RESEND,RFC,2/4] tcp: move selected mptcp helpers to tcp.h/mptcp.h
12282221: [RESEND,RFC,4/4] tcp: parse tcp options contained in reset
packets:
12282223: [RESEND,RFC,mptpcp-next] mptcp: add ooo prune support:
12282225: [RESEND,1/5] tcp: make two mptcp helpers available to tcp stack
12282227: [RESEND,5/5] mptcp: send fastclose if userspace closes socket
with unread data:
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
13656189: [mptcp-net,v2] mptcp: fix the default value of scaling_ratio:
- State: Changes requested
- Submitter: Geliang Tang
13863942: mptcp: remove the redundant assignment of 'new_ctx->tcp_sock'
in subflow_ulp_clone():
- State: New
- Submitter: MoYuanhao
- URL:
https://patchwork.kernel.org/project/mptcp/patch/20241106071035.2591-1-moyuanhao3676@163.com/
- Can be applied in net-next directly
- URL:
https://patchwork.kernel.org/project/mptcp/patch/0ccc1c26d27d6ee7be22806a97983d37c6ca548c.1715053270.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
13845248: [mptcp-next,v2,1/5] selftests/bpf: Add mptcp pm_nl_ctl link
13845249: [mptcp-next,v2,2/5] selftests/bpf: Use pm_nl_ctl if ip mptcp
not supported
13845250: [mptcp-next,v2,3/5] bpf: Add mptcp_address bpf_iter
13845251: [mptcp-next,v2,4/5] bpf: Export more helpers used by
mptcp_address test
13845252: [mptcp-next,v2,5/5] selftests/bpf: Add mptcp_address bpf_iter
subtest:
- State: Needs ack
- Series: add mptcp_address bpf_iter
- Submitter: Geliang Tang
- URL:
https://patchwork.kernel.org/project/mptcp/list/?series=901713&state=*&archive=both
13863942: mptcp: remove the redundant assignment of 'new_ctx->tcp_sock'
in subflow_ulp_clone():
- State: New
- Submitter: MoYuanhao
- URL:
https://patchwork.kernel.org/project/mptcp/patch/20241106071035.2591-1-moyuanhao3676@163.com/
- Can be applied in net-next directly
13845376: [mptcp-next,v2,03/36] mptcp: add mptcp_for_each_address macros
13845378: [mptcp-next,v2,05/36] mptcp: add lookup_addr for userspace pm
13845379: [mptcp-next,v2,06/36] mptcp: add mptcp_userspace_pm_get_sock
helper
13845380: [mptcp-next,v2,07/36] mptcp: make three pm wrappers static
13845381: [mptcp-next,v2,08/36] mptcp: drop skb parameter of get_addr
13845382: [mptcp-next,v2,09/36] mptcp: add id parameter for get_addr
13845383: [mptcp-next,v2,10/36] mptcp: add addr parameter for get_addr
13845384: [mptcp-next,v2,11/36] mptcp: reuse sending nlmsg code in get_addr
13845385: [mptcp-next,v2,12/36] mptcp: change info of get_addr as const
13845386: [mptcp-next,v2,13/36] mptcp: add struct mptcp_id_bitmap
13845387: [mptcp-next,v2,14/36] mptcp: refactor dump_addr with id bitmap
13845388: [mptcp-next,v2,15/36] mptcp: refactor dump_addr with get_addr
13845389: [mptcp-next,v2,16/36] mptcp: reuse sending nlmsg code in dump_addr
13845391: [mptcp-next,v2,18/36] mptcp: change rem type of set_flags
13845392: [mptcp-next,v2,19/36] mptcp: drop skb parameter of set_flags
13845393: [mptcp-next,v2,20/36] mptcp: add loc and rem for set_flags
13845394: [mptcp-next,v2,21/36] mptcp: update address type of get_local_id
13845395: [mptcp-next,v2,22/36] mptcp: change is_backup interfaces as
get_flags
13845396: [mptcp-next,v2,23/36] mptcp: drop struct mptcp_pm_local
13845397: [mptcp-next,v2,24/36] mptcp: drop struct mptcp_pm_add_entry
13845398: [mptcp-next,v2,25/36] mptcp: change local type of subflow_destroy
13845400: [mptcp-next,v2,27/36] mptcp: rename mptcp_pm_remove_addrs
13845401: [mptcp-next,v2,28/36] mptcp: drop free_list for deleting entries
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: Under review
- Series: BPF path manager
- Submitter: Geliang Tang
- URL:
https://patchwork.kernel.org/project/mptcp/list/?series=901761&state=*&archive=both
- Matth did a review of the 28 first patches, we might split the
series after to ease the reviews
13850314: [mptcp-net,v2,1/3] mptcp: pm: use _rcu variant under rcu_read_lock
13850315: [mptcp-net,v2,2/3] mptcp: pm: lockless list traversal
13850316: [mptcp-net,v2,3/3] mptcp: pm: avoid code duplication to lookup
endp:
- State: Changes requested
- Series: mptcp: pm: use _rcu variant under rcu_read_lock
- Submitter: Matthieu Baerts
- URL:
https://patchwork.kernel.org/project/mptcp/list/?series=903060&state=*&archive=both
- some modifications needed there.
13855939: [mptcp-next,v9,01/13] mptcp: check sk_stream_memory_free in loop
13855940: [mptcp-next,v9,02/13] mptcp: make mptcp_subflow_set_scheduled
inline
13855941: [mptcp-next,v9,03/13] mptcp: add mptcp_validate_scheduler helper
13855942: [mptcp-next,v9,04/13] Squash to "bpf: Add bpf_mptcp_sched_ops"
13855943: [mptcp-next,v9,05/13] Squash to "selftests/bpf: Add bpf
scheduler test"
13855944: [mptcp-next,v9,06/13] Squash to "selftests/bpf: Add bpf_first
scheduler & test"
13855945: [mptcp-next,v9,07/13] Squash to "selftests/bpf: Add bpf_bkup
scheduler & test"
13855946: [mptcp-next,v9,08/13] Squash to "selftests/bpf: Add bpf_rr
scheduler & test"
13855947: [mptcp-next,v9,09/13] Squash to "selftests/bpf: Add bpf_red
scheduler & test"
13855948: [mptcp-next,v9,10/13] Squash to "selftests/bpf: Add bpf_burst
scheduler & test"
13855949: [mptcp-next,v9,11/13] Squash to "bpf: Export mptcp packet
scheduler helpers"
13855950: [mptcp-next,v9,12/13] Revert "mptcp: add sched_data helpers"
13855951: [mptcp-next,v9,13/13] mptcp: drop subflow contexts in
mptcp_sched_data:
- State: New
- Series: use bpf_iter in bpf schedulers
- Submitter: Geliang Tang
- URL:
https://patchwork.kernel.org/project/mptcp/list/?series=904507&state=*&archive=both
13856227: [bpf-next] selftests/bpf: Fix compile error when MPTCP not
support:
- State: Changes requested
- Submitter: Tao Chen
- URL:
https://patchwork.kernel.org/project/mptcp/patch/20241030100108.2443371-1-chen.dylane@gmail.com/
- MPTCP is supposed to be supported.
- We cannot support all possible kconfig: the test could be skipped
if MPTCP is not supported, but maybe this should be done in the
Makefile? No need to spend time on our side.
- TODO: can be archived → Done
13856585: [net] mptcp: Ensure RCU read lock is held when calling
mptcp_sched_find():
- State: Rejected
- Submitter: Breno Leitao
- URL:
https://patchwork.kernel.org/project/mptcp/patch/20241030140224.972565-1-leitao@debian.org/
- A fix for this issue was already applied
13861026: [mptcp-next] Squash to "DO-NOT-MERGE: mptcp: improve code
coverage for CI":
- State: Rejected
- Submitter: Geliang Tang
- URL:
https://patchwork.kernel.org/project/mptcp/patch/ab62e7d2f50512594416acb973dcaf3d4ec85fe3.1730708911.git.geliang@kernel.org/
- a different fix has been backported
Issues on GitHub:
https://github.com/multipath-tcp/mptcp_net-next/issues/
- Note: we have new template when creating a new issue:
- https://github.com/multipath-tcp/mptcp_net-next/issues/new/choose
- The bug template is a bit long: probably better to provide a list
of commands to run instead of having all the TODO + ask: run on client
and server side → Done
- so people are less scared about filling info there
Recently opened (latest from the last meeting: 526):
528 Can't Find Balia, Lia, Olia congestion control selection in
menuconfig . [question]:
- responsibility of the packet scheduler to use more or less a
path depending on the conditions
- still, if people have use-cases to add CCA dedicated to MPTCP,
why not.
527 MPTCP advanced options in Kernel configuration [question] [triage]:
- expected to see the same kconfig options as in the fork, but
they are either not needed, or in sysctl.
Recently discussed:
526 Question: MPTCP subflows are reconnected every now and then
[question]:
- strange: the creation and removal of subflows should only be
caused by ip mptcp endpoint add/del
- We can use this filter with Wireshark: netlink.family == 0x10
and genl.family_id == 0x15
- e.g. 2505, we can see command 11: remove subflow
- TODO: Matth: reply → Done
525 tests: cover more MPTCP socket options [enhancement]
[packetdrill] [selftests]
520 Question about proper MPTCP configuration over VPN. [question]
[feedback-needed]
Bugs (opened, flagged as "bug" and assigned)
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]
498 in-kernel PM: closed subflows before `RM_ADDR` will not decrement
`add_addr_accepted` [bug] [pm]
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)
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
234 Packetdrill: Support MPC+DATA+checksum error [enhancement]
[packetdrill] @spoorva
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)
528 Can't Find Balia, Lia, Olia congestion control selection in
menuconfig . [question]
527 MPTCP advanced options in Kernel configuration [question] [triage]
526 Question: MPTCP subflows are reconnected every now and then
[question]
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)
525 tests: cover more MPTCP socket options [enhancement]
[packetdrill] [selftests]
524 tests: cover more Diag-related code [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]
514 Add MIB counters for fallback to TCP [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]
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 2024-10-23)
None.
Packetdrill PRs
52 3 years ago dcaratti Add initial coverage for RM_ADDR
mptcp.dev PRs: https://github.com/multipath-tcp/mptcp.dev/pulls
31 6 days ago matttbe mptcp info: recommend using `TCP_IS_MPTCP`
30 8 days ago matttbe apps: add 'Linux distributions' section
mptcpd PRs
/
FYI: Current Roadmap:
- Bugs:
https://github.com/multipath-tcp/mptcp_net-next/issues?q=is%3Aissue+is%3Aopen+label%3Abug
- Current/Coming merge window (6.13):
https://github.com/orgs/multipath-tcp/projects/11
- For later: https://github.com/orgs/multipath-tcp/projects/1
Patches to send to NetDev:
- Fixes for other trees:
- [c4ccd152f6fe] perf: Fix missing RCU reader protection in
perf_event_clear_cpumask() (Kan Liang)
- [810bfce0f94c] netfilter: nf_tables: avoid false-positive
lockdep splat on rule deletion (Florian Westphal)
- [5b55ef52d78b] selftests/bpf: Remove test_skb_cgroup_id.sh
from TEST_PROGS (Ihor Solodrai)
- [316eb9d0eec9] selftests/bpf: Set vpath in Makefile to search
for skels (Ihor Solodrai)
- Fixes for PROVE_RCU_LIST
- Fixes for -net:
- [e96551845552] mptcp: remove unneeded lock when listing scheds
(Matthieu Baerts (NGI0)):
- has been applied but in net-next
- [c93a012f7ac4] mptcp: update local address flags when setting
it (Geliang Tang)
- [237a7eb31a83] mptcp: hold pm lock when deleting entry
(Geliang Tang)
- Fixes for net-next: /
- Features for net-next: /
- Features for net-next (next): /
- Features for other trees:
- [c75acaa40fe2] selftests/bpf: Drop netns helpers in mptcp
(Geliang Tang):
- already applied
- [58e56f157a40] bpf: Register mptcp common kfunc set (Geliang Tang)
- [74ab65210e7e] bpf: Add mptcp_subflow bpf_iter (Geliang Tang)
- [cf376dfef1ab] bpf: Acquire and release mptcp socket (Geliang
Tang)
- [98b334305b35] selftests/bpf: More endpoints for endpoint_init
(Geliang Tang)
- [b10ba15fe3b9] selftests/bpf: Add mptcp_subflow bpf_iter
subtest (Geliang Tang)
- [73afbb9af8a1] mptcp: add sched_data helpers (Geliang Tang)
- [2f1032450822] bpf: Add bpf_mptcp_sched_ops (Geliang Tang)
- [2debd9c9311e] bpf: Export mptcp packet scheduler helpers
(Geliang Tang)
- [1addd13a5aca] selftests/bpf: Add bpf scheduler test (Geliang
Tang)
- [25a99f695f5b] selftests/bpf: Add bpf_first scheduler & test
(Geliang Tang)
- [49189c7e4048] selftests/bpf: Add bpf_bkup scheduler & test
(Geliang Tang)
- [3e0527993e16] selftests/bpf: Add bpf_rr scheduler & test
(Geliang Tang)
- [22f5b2293914] selftests/bpf: Add bpf_red scheduler & test
(Geliang Tang)
- [2b55cfd8aebb] selftests/bpf: Add bpf_burst scheduler & test
(Geliang Tang)
Extra tests:
- news about Syzkaller? (Christoph):
- /
- Packetdrill (Davide):
- /
- Patchew (Davide):
- /
- CI (Matth):
- https://ci-results.mptcp.dev/flakes.html
- https://netdev.bots.linux.dev/flakes.html?tn-needle=mptcp
- some tests are stuck: maybe best to have something running in
the background to print the stacktrace: TODO
mptcpd:
- https://github.com/multipath-tcp/mptcpd/releases/tag/v0.13
- Mainly fixing the compatibility with newer versions of ELL + some
small extra
Next meeting:
- Next one on Wednesday, *in two weeks*, the 20th of November.
- 17:30 UTC (8.30am PDT, 5.30pm CEST, 11.30pm CST)
- Still open to everyone!
- https://annuel2.framapad.org/p/mptcp_upstreaming_20241120
Feel free to comment on these topics and suggest new ones for the next
meeting!
Talk to you on Wednesday,
Matt
--
Sponsored by the NGI0 Core fund.
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