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| author |  Geliang Tang <geliangtang@gmail.com>
| 2021-06-22 12:25:20 -0700 |
|---|---|---|
| committer |  David S. Miller <davem@davemloft.net>
| 2021-06-22 14:36:01 -0700 |
| commit | df377be38725ced628251c1a3b954ef932a5586e (patch) | |
| tree | e0725441657f35da0aa427c5d1b521852d732e27 /net/mptcp/protocol.h | |
| parent | mptcp: add allow_join_id0 in mptcp_out_options (diff) | |
| download | linux-df377be38725ced628251c1a3b954ef932a5586e.tar.gz linux-df377be38725ced628251c1a3b954ef932a5586e.tar.bz2 linux-df377be38725ced628251c1a3b954ef932a5586e.zip | |
mptcp: add deny_join_id0 in mptcp_options_received
This patch added a new flag named deny_join_id0 in struct
mptcp_options_received. Set it when MP_CAPABLE with the flag
MPTCP_CAP_DENYJOIN_ID0 is received.
Also add a new flag remote_deny_join_id0 in struct mptcp_pm_data. When the
flag deny_join_id0 is set, set this remote_deny_join_id0 flag.
In mptcp_pm_create_subflow_or_signal_addr, if the remote_deny_join_id0 flag
is set, and the remote address id is zero, stop this connection.
Suggested-by: Florian Westphal <fw@strlen.de>
Acked-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/mptcp/protocol.h')
| -rw-r--r-- | net/mptcp/protocol.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h index f2326f6074b9..f4eaa5f57e3f 100644 --- a/net/mptcp/protocol.h +++ b/net/mptcp/protocol.h @@ -138,7 +138,8 @@ struct mptcp_options_received { mp_prio : 1, echo : 1, csum_reqd : 1, - backup : 1; + backup : 1, + deny_join_id0 : 1; u32 token; u32 nonce; u64 thmac; @@ -193,6 +194,7 @@ struct mptcp_pm_data { bool work_pending; bool accept_addr; bool accept_subflow; + bool remote_deny_join_id0; u8 add_addr_signaled; u8 add_addr_accepted; u8 local_addr_used; |