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| author | Geliang Tang <geliangtang@xiaomi.com> | 2021-08-24 16:26:15 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-08-25 11:02:34 +0100 |
| commit | c25aeb4e095355eec3beb6a2b2b30322bd6d0dd4 (patch) | |
| tree | b7288450cc5babe7d3d4e663505d42a4eb35c93b /include/net | |
| parent | d7b269083786dca3b1b0141bde6cea834062b691 (diff) | |
| download | lwn-c25aeb4e095355eec3beb6a2b2b30322bd6d0dd4.tar.gz lwn-c25aeb4e095355eec3beb6a2b2b30322bd6d0dd4.zip | |
mptcp: MP_FAIL suboption sending
This patch added the MP_FAIL suboption sending support.
Add a new flag named send_mp_fail in struct mptcp_subflow_context. If
this flag is set, send out MP_FAIL suboption.
Add a new member fail_seq in struct mptcp_out_options to save the data
sequence number to put into the MP_FAIL suboption.
An MP_FAIL option could be included in a RST or on the subflow-level
ACK.
Suggested-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Geliang Tang <geliangtang@xiaomi.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net')
| -rw-r--r-- | include/net/mptcp.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/include/net/mptcp.h b/include/net/mptcp.h index 3236010afa29..6026bbefbffd 100644 --- a/include/net/mptcp.h +++ b/include/net/mptcp.h @@ -74,7 +74,10 @@ struct mptcp_out_options { struct mptcp_addr_info addr; u64 ahmac; }; - struct mptcp_ext ext_copy; + struct { + struct mptcp_ext ext_copy; + u64 fail_seq; + }; struct { u32 nonce; u32 token; |