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understanding ip-mptcp command behaviour #302
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Sorry, I'm not sure to understand.
I guess it might make more sense to also remove the subflows associated to the endpoint you just removed. That's a behaviour that seems to make more sense but to be discussed (and implemented). It might be probably best to open a dedicated ticket for (2) if it is a behaviour to change ( |
I have installed ubuntu 22.04 and updated the kernel to 5.19 and also installed |
both mptcpd and NetworkManger (starting from version 1.40) can/will create automatically endpoints for your local address. You can configure and/or disable such behavior via the respective configurations |
@VenkateswaranJ did you check if it was mptcpd (or NM 1.40.0) who was adding all these endpoints? Can we close this ticket? |
yes, we can close it. |
Enable CPU v4 instruction tests for arm64. Below are the test results from BPF test_progs selftests: # ./test_progs -t ldsx_insn,verifier_sdiv,verifier_movsx,verifier_ldsx,verifier_gotol,verifier_bswap #115/1 ldsx_insn/map_val and probed_memory:OK #115/2 ldsx_insn/ctx_member_sign_ext:OK #115/3 ldsx_insn/ctx_member_narrow_sign_ext:OK #115 ldsx_insn:OK #302/1 verifier_bswap/BSWAP, 16:OK #302/2 verifier_bswap/BSWAP, 16 @unpriv:OK #302/3 verifier_bswap/BSWAP, 32:OK #302/4 verifier_bswap/BSWAP, 32 @unpriv:OK #302/5 verifier_bswap/BSWAP, 64:OK #302/6 verifier_bswap/BSWAP, 64 @unpriv:OK #302 verifier_bswap:OK #316/1 verifier_gotol/gotol, small_imm:OK #316/2 verifier_gotol/gotol, small_imm @unpriv:OK #316 verifier_gotol:OK #324/1 verifier_ldsx/LDSX, S8:OK #324/2 verifier_ldsx/LDSX, S8 @unpriv:OK #324/3 verifier_ldsx/LDSX, S16:OK #324/4 verifier_ldsx/LDSX, S16 @unpriv:OK #324/5 verifier_ldsx/LDSX, S32:OK #324/6 verifier_ldsx/LDSX, S32 @unpriv:OK #324/7 verifier_ldsx/LDSX, S8 range checking, privileged:OK #324/8 verifier_ldsx/LDSX, S16 range checking:OK #324/9 verifier_ldsx/LDSX, S16 range checking @unpriv:OK #324/10 verifier_ldsx/LDSX, S32 range checking:OK #324/11 verifier_ldsx/LDSX, S32 range checking @unpriv:OK #324 verifier_ldsx:OK #335/1 verifier_movsx/MOV32SX, S8:OK #335/2 verifier_movsx/MOV32SX, S8 @unpriv:OK #335/3 verifier_movsx/MOV32SX, S16:OK #335/4 verifier_movsx/MOV32SX, S16 @unpriv:OK #335/5 verifier_movsx/MOV64SX, S8:OK #335/6 verifier_movsx/MOV64SX, S8 @unpriv:OK #335/7 verifier_movsx/MOV64SX, S16:OK #335/8 verifier_movsx/MOV64SX, S16 @unpriv:OK #335/9 verifier_movsx/MOV64SX, S32:OK #335/10 verifier_movsx/MOV64SX, S32 @unpriv:OK #335/11 verifier_movsx/MOV32SX, S8, range_check:OK #335/12 verifier_movsx/MOV32SX, S8, range_check @unpriv:OK #335/13 verifier_movsx/MOV32SX, S16, range_check:OK #335/14 verifier_movsx/MOV32SX, S16, range_check @unpriv:OK #335/15 verifier_movsx/MOV32SX, S16, range_check 2:OK #335/16 verifier_movsx/MOV32SX, S16, range_check 2 @unpriv:OK #335/17 verifier_movsx/MOV64SX, S8, range_check:OK #335/18 verifier_movsx/MOV64SX, S8, range_check @unpriv:OK #335/19 verifier_movsx/MOV64SX, S16, range_check:OK #335/20 verifier_movsx/MOV64SX, S16, range_check @unpriv:OK #335/21 verifier_movsx/MOV64SX, S32, range_check:OK #335/22 verifier_movsx/MOV64SX, S32, range_check @unpriv:OK #335/23 verifier_movsx/MOV64SX, S16, R10 Sign Extension:OK #335/24 verifier_movsx/MOV64SX, S16, R10 Sign Extension @unpriv:OK #335 verifier_movsx:OK #347/1 verifier_sdiv/SDIV32, non-zero imm divisor, check 1:OK #347/2 verifier_sdiv/SDIV32, non-zero imm divisor, check 1 @unpriv:OK #347/3 verifier_sdiv/SDIV32, non-zero imm divisor, check 2:OK #347/4 verifier_sdiv/SDIV32, non-zero imm divisor, check 2 @unpriv:OK #347/5 verifier_sdiv/SDIV32, non-zero imm divisor, check 3:OK #347/6 verifier_sdiv/SDIV32, non-zero imm divisor, check 3 @unpriv:OK #347/7 verifier_sdiv/SDIV32, non-zero imm divisor, check 4:OK #347/8 verifier_sdiv/SDIV32, non-zero imm divisor, check 4 @unpriv:OK #347/9 verifier_sdiv/SDIV32, non-zero imm divisor, check 5:OK #347/10 verifier_sdiv/SDIV32, non-zero imm divisor, check 5 @unpriv:OK #347/11 verifier_sdiv/SDIV32, non-zero imm divisor, check 6:OK #347/12 verifier_sdiv/SDIV32, non-zero imm divisor, check 6 @unpriv:OK #347/13 verifier_sdiv/SDIV32, non-zero imm divisor, check 7:OK #347/14 verifier_sdiv/SDIV32, non-zero imm divisor, check 7 @unpriv:OK #347/15 verifier_sdiv/SDIV32, non-zero imm divisor, check 8:OK #347/16 verifier_sdiv/SDIV32, non-zero imm divisor, check 8 @unpriv:OK #347/17 verifier_sdiv/SDIV32, non-zero reg divisor, check 1:OK #347/18 verifier_sdiv/SDIV32, non-zero reg divisor, check 1 @unpriv:OK #347/19 verifier_sdiv/SDIV32, non-zero reg divisor, check 2:OK #347/20 verifier_sdiv/SDIV32, non-zero reg divisor, check 2 @unpriv:OK #347/21 verifier_sdiv/SDIV32, non-zero reg divisor, check 3:OK #347/22 verifier_sdiv/SDIV32, non-zero reg divisor, check 3 @unpriv:OK #347/23 verifier_sdiv/SDIV32, non-zero reg divisor, check 4:OK #347/24 verifier_sdiv/SDIV32, non-zero reg divisor, check 4 @unpriv:OK #347/25 verifier_sdiv/SDIV32, non-zero reg divisor, check 5:OK #347/26 verifier_sdiv/SDIV32, non-zero reg divisor, check 5 @unpriv:OK #347/27 verifier_sdiv/SDIV32, non-zero reg divisor, check 6:OK #347/28 verifier_sdiv/SDIV32, non-zero reg divisor, check 6 @unpriv:OK #347/29 verifier_sdiv/SDIV32, non-zero reg divisor, check 7:OK #347/30 verifier_sdiv/SDIV32, non-zero reg divisor, check 7 @unpriv:OK #347/31 verifier_sdiv/SDIV32, non-zero reg divisor, check 8:OK #347/32 verifier_sdiv/SDIV32, non-zero reg divisor, check 8 @unpriv:OK #347/33 verifier_sdiv/SDIV64, non-zero imm divisor, check 1:OK #347/34 verifier_sdiv/SDIV64, non-zero imm divisor, check 1 @unpriv:OK #347/35 verifier_sdiv/SDIV64, non-zero imm divisor, check 2:OK #347/36 verifier_sdiv/SDIV64, non-zero imm divisor, check 2 @unpriv:OK #347/37 verifier_sdiv/SDIV64, non-zero imm divisor, check 3:OK #347/38 verifier_sdiv/SDIV64, non-zero imm divisor, check 3 @unpriv:OK #347/39 verifier_sdiv/SDIV64, non-zero imm divisor, check 4:OK #347/40 verifier_sdiv/SDIV64, non-zero imm divisor, check 4 @unpriv:OK #347/41 verifier_sdiv/SDIV64, non-zero imm divisor, check 5:OK #347/42 verifier_sdiv/SDIV64, non-zero imm divisor, check 5 @unpriv:OK #347/43 verifier_sdiv/SDIV64, non-zero imm divisor, check 6:OK #347/44 verifier_sdiv/SDIV64, non-zero imm divisor, check 6 @unpriv:OK #347/45 verifier_sdiv/SDIV64, non-zero reg divisor, check 1:OK #347/46 verifier_sdiv/SDIV64, non-zero reg divisor, check 1 @unpriv:OK #347/47 verifier_sdiv/SDIV64, non-zero reg divisor, check 2:OK #347/48 verifier_sdiv/SDIV64, non-zero reg divisor, check 2 @unpriv:OK #347/49 verifier_sdiv/SDIV64, non-zero reg divisor, check 3:OK #347/50 verifier_sdiv/SDIV64, non-zero reg divisor, check 3 @unpriv:OK #347/51 verifier_sdiv/SDIV64, non-zero reg divisor, check 4:OK #347/52 verifier_sdiv/SDIV64, non-zero reg divisor, check 4 @unpriv:OK #347/53 verifier_sdiv/SDIV64, non-zero reg divisor, check 5:OK #347/54 verifier_sdiv/SDIV64, non-zero reg divisor, check 5 @unpriv:OK #347/55 verifier_sdiv/SDIV64, non-zero reg divisor, check 6:OK #347/56 verifier_sdiv/SDIV64, non-zero reg divisor, check 6 @unpriv:OK #347/57 verifier_sdiv/SMOD32, non-zero imm divisor, check 1:OK #347/58 verifier_sdiv/SMOD32, non-zero imm divisor, check 1 @unpriv:OK #347/59 verifier_sdiv/SMOD32, non-zero imm divisor, check 2:OK #347/60 verifier_sdiv/SMOD32, non-zero imm divisor, check 2 @unpriv:OK #347/61 verifier_sdiv/SMOD32, non-zero imm divisor, check 3:OK #347/62 verifier_sdiv/SMOD32, non-zero imm divisor, check 3 @unpriv:OK #347/63 verifier_sdiv/SMOD32, non-zero imm divisor, check 4:OK #347/64 verifier_sdiv/SMOD32, non-zero imm divisor, check 4 @unpriv:OK #347/65 verifier_sdiv/SMOD32, non-zero imm divisor, check 5:OK #347/66 verifier_sdiv/SMOD32, non-zero imm divisor, check 5 @unpriv:OK #347/67 verifier_sdiv/SMOD32, non-zero imm divisor, check 6:OK #347/68 verifier_sdiv/SMOD32, non-zero imm divisor, check 6 @unpriv:OK #347/69 verifier_sdiv/SMOD32, non-zero reg divisor, check 1:OK #347/70 verifier_sdiv/SMOD32, non-zero reg divisor, check 1 @unpriv:OK #347/71 verifier_sdiv/SMOD32, non-zero reg divisor, check 2:OK #347/72 verifier_sdiv/SMOD32, non-zero reg divisor, check 2 @unpriv:OK #347/73 verifier_sdiv/SMOD32, non-zero reg divisor, check 3:OK #347/74 verifier_sdiv/SMOD32, non-zero reg divisor, check 3 @unpriv:OK #347/75 verifier_sdiv/SMOD32, non-zero reg divisor, check 4:OK #347/76 verifier_sdiv/SMOD32, non-zero reg divisor, check 4 @unpriv:OK #347/77 verifier_sdiv/SMOD32, non-zero reg divisor, check 5:OK #347/78 verifier_sdiv/SMOD32, non-zero reg divisor, check 5 @unpriv:OK #347/79 verifier_sdiv/SMOD32, non-zero reg divisor, check 6:OK #347/80 verifier_sdiv/SMOD32, non-zero reg divisor, check 6 @unpriv:OK #347/81 verifier_sdiv/SMOD64, non-zero imm divisor, check 1:OK #347/82 verifier_sdiv/SMOD64, non-zero imm divisor, check 1 @unpriv:OK #347/83 verifier_sdiv/SMOD64, non-zero imm divisor, check 2:OK #347/84 verifier_sdiv/SMOD64, non-zero imm divisor, check 2 @unpriv:OK #347/85 verifier_sdiv/SMOD64, non-zero imm divisor, check 3:OK #347/86 verifier_sdiv/SMOD64, non-zero imm divisor, check 3 @unpriv:OK #347/87 verifier_sdiv/SMOD64, non-zero imm divisor, check 4:OK #347/88 verifier_sdiv/SMOD64, non-zero imm divisor, check 4 @unpriv:OK #347/89 verifier_sdiv/SMOD64, non-zero imm divisor, check 5:OK #347/90 verifier_sdiv/SMOD64, non-zero imm divisor, check 5 @unpriv:OK #347/91 verifier_sdiv/SMOD64, non-zero imm divisor, check 6:OK #347/92 verifier_sdiv/SMOD64, non-zero imm divisor, check 6 @unpriv:OK #347/93 verifier_sdiv/SMOD64, non-zero imm divisor, check 7:OK #347/94 verifier_sdiv/SMOD64, non-zero imm divisor, check 7 @unpriv:OK #347/95 verifier_sdiv/SMOD64, non-zero imm divisor, check 8:OK #347/96 verifier_sdiv/SMOD64, non-zero imm divisor, check 8 @unpriv:OK #347/97 verifier_sdiv/SMOD64, non-zero reg divisor, check 1:OK #347/98 verifier_sdiv/SMOD64, non-zero reg divisor, check 1 @unpriv:OK #347/99 verifier_sdiv/SMOD64, non-zero reg divisor, check 2:OK #347/100 verifier_sdiv/SMOD64, non-zero reg divisor, check 2 @unpriv:OK #347/101 verifier_sdiv/SMOD64, non-zero reg divisor, check 3:OK #347/102 verifier_sdiv/SMOD64, non-zero reg divisor, check 3 @unpriv:OK #347/103 verifier_sdiv/SMOD64, non-zero reg divisor, check 4:OK #347/104 verifier_sdiv/SMOD64, non-zero reg divisor, check 4 @unpriv:OK #347/105 verifier_sdiv/SMOD64, non-zero reg divisor, check 5:OK #347/106 verifier_sdiv/SMOD64, non-zero reg divisor, check 5 @unpriv:OK #347/107 verifier_sdiv/SMOD64, non-zero reg divisor, check 6:OK #347/108 verifier_sdiv/SMOD64, non-zero reg divisor, check 6 @unpriv:OK #347/109 verifier_sdiv/SMOD64, non-zero reg divisor, check 7:OK #347/110 verifier_sdiv/SMOD64, non-zero reg divisor, check 7 @unpriv:OK #347/111 verifier_sdiv/SMOD64, non-zero reg divisor, check 8:OK #347/112 verifier_sdiv/SMOD64, non-zero reg divisor, check 8 @unpriv:OK #347/113 verifier_sdiv/SDIV32, zero divisor:OK #347/114 verifier_sdiv/SDIV32, zero divisor @unpriv:OK #347/115 verifier_sdiv/SDIV64, zero divisor:OK #347/116 verifier_sdiv/SDIV64, zero divisor @unpriv:OK #347/117 verifier_sdiv/SMOD32, zero divisor:OK #347/118 verifier_sdiv/SMOD32, zero divisor @unpriv:OK #347/119 verifier_sdiv/SMOD64, zero divisor:OK #347/120 verifier_sdiv/SMOD64, zero divisor @unpriv:OK #347 verifier_sdiv:OK Summary: 6/166 PASSED, 0 SKIPPED, 0 FAILED Signed-off-by: Xu Kuohai <xukuohai@huawei.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Tested-by: Florent Revest <revest@chromium.org> Acked-by: Yonghong Song <yonghong.song@linux.dev> Acked-by: Florent Revest <revest@chromium.org> Link: https://lore.kernel.org/bpf/20230815154158.717901-8-xukuohai@huaweicloud.com
I see that ip-mptcp will configure every ip as an endpoint with a flag signal, even though it's not useful on the client side because the client endpoint has to be configured as subflow. Is it the right behaviour of the ip-mptcp program?
It establishes the second sublow between server and client at the initial stage of the mptcp connection, but once the two subflow got established it's not possible to remove one subflow and add a new one, for example in the case of an ip address changed in one interface.
ip mptcp endpoint del id 2
is sendingremove address
command but the subflow stays there when checking withss -nti '( sport :8000 )'
So this kind of runtime management is not possible with ip-mptcp? should we use Netlink path manager for that?
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