Message ID | cover.1614068181.git.geliangtang@gmail.com |
---|---|
Headers | show |
Series | remove id 0 address | expand |
On Tue, 23 Feb 2021, Geliang Tang wrote: > The RM_ADDR selftests will fail when the removing address id is 0: > > copyfd_io_poll: poll timed out (events: POLLIN 1, POLLOUT 0) > copyfd_io_poll: poll timed out (events: POLLIN 1, POLLOUT 0) > client exit code 2, server 2 > > netns ns1-0-7z6ol9 socket stat for 10009: > State Recv-Q Send-Q Local Address:Port Peer Address:Port Process > > netns ns2-0-7z6ol9 socket stat for 10009: > State Recv-Q Send-Q Local Address:Port Peer Address:Port Process > TIME-WAIT 0 0 10.0.2.2:33225 10.0.2.1:10009 timer:(timewait,26sec,0) > > TIME-WAIT 0 0 10.0.4.2:44309 10.0.4.1:10009 timer:(timewait,26sec,0) > > TIME-WAIT 0 0 10.0.3.2:53671 10.0.3.1:10009 timer:(timewait,26sec,0) > > 10 flush addresses syn[ ok ] - synack[ ok ] - ack[ ok ] > add[ ok ] - echo [ ok ] > rm [ ok ] - sf [ ok ] > > This patchset fixed this bug. > > v2: > - drop __mptcp_wr_shutdown in v1. > > apply: export/20210222T184014 > move to next addr and testcases > move to next addr when timeout > > Closes: https://github.com/multipath-tcp/mptcp_net-next/issues/140 > > Geliang Tang (3): > mptcp: unify RM_ADDR and RM_SUBFLOW receiving > mptcp: skip closing the initial subsocket > DO-NOT-MERGE: mptcp: remove id 0 test > > net/mptcp/pm_netlink.c | 94 +++++++++---------- > .../testing/selftests/net/mptcp/mptcp_join.sh | 8 +- > 2 files changed, 47 insertions(+), 55 deletions(-) > > -- > 2.29.2 Hi Geliang - I ran mp_join.sh and looked at the pcap files, but didn't see that the initial subflow was getting closed. I uploaded an example pcap at https://github.com/multipath-tcp/mptcp_net-next/issues/140 Is the goal of this fix only to prevent the poll timeout? What behavior should we see in the pcap when RM_ADDR 0 is sent & received? -- Mat Martineau Intel