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[net-next,00/11] mptcp: Include multiple address ids in RM_ADDR

Message ID 20210313011621.211661-1-mathew.j.martineau@linux.intel.com
Headers show
Series mptcp: Include multiple address ids in RM_ADDR | expand

Message

Mat Martineau March 13, 2021, 1:16 a.m. UTC 
Here's a patch series from the MPTCP tree that extends the capabilities
of the MPTCP RM_ADDR header.

MPTCP peers can exchange information about their IP addresses that are
available for additional MPTCP subflows. IP addresses are advertised
with an ADD_ADDR header type, and those advertisements are revoked with
the RM_ADDR header type. RFC 8684 allows the RM_ADDR header to include
more than one address ID, so multiple advertisements can be revoked in a
single header. Previous kernel versions have only used RM_ADDR with a
single address ID, so multiple removals required multiple packets.

Patches 1-4 plumb address id list structures around the MPTCP code,
where before only a single address ID was passed.

Patches 5-8 make use of the address lists at the path manager layer that
tracks available addresses for both peers.

Patches 9-11 update the selftests to cover the new use of RM_ADDR with
multiple address IDs.


Geliang Tang (11):
  mptcp: add rm_list in mptcp_out_options
  mptcp: add rm_list_tx in mptcp_pm_data
  mptcp: add rm_list in mptcp_options_received
  mptcp: add rm_list_rx in mptcp_pm_data
  mptcp: remove multi addresses in PM
  mptcp: remove multi subflows in PM
  mptcp: remove multi addresses and subflows in PM
  mptcp: remove a list of addrs when flushing
  selftests: mptcp: add invert argument for chk_rm_nr
  selftests: mptcp: set addr id for removing testcases
  selftests: mptcp: add testcases for removing addrs

 include/net/mptcp.h                           |   9 +-
 net/mptcp/options.c                           |  47 ++++--
 net/mptcp/pm.c                                |  39 +++--
 net/mptcp/pm_netlink.c                        | 139 +++++++++++++-----
 net/mptcp/protocol.h                          |  27 +++-
 .../testing/selftests/net/mptcp/mptcp_join.sh |  82 ++++++++---
 6 files changed, 250 insertions(+), 93 deletions(-)


base-commit: 26d2e0426aacaf4c128dc57111f0d460ab20e8b5