diff options
| author | Geliang Tang <geliangtang@gmail.com> | 2021-06-22 22:25:20 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-06-23 00:36:01 +0300 |
| commit | df377be38725ced628251c1a3b954ef932a5586e (patch) | |
| tree | e0725441657f35da0aa427c5d1b521852d732e27 /net/mptcp/pm.c | |
| parent | bab6b88e056038f618b2fb977d95b05ad3da8d0c (diff) | |
| download | linux-df377be38725ced628251c1a3b954ef932a5586e.tar.xz | |
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/pm.c')
| -rw-r--r-- | net/mptcp/pm.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/net/mptcp/pm.c b/net/mptcp/pm.c index 9d00fa6d22e9..639271e09604 100644 --- a/net/mptcp/pm.c +++ b/net/mptcp/pm.c @@ -320,6 +320,7 @@ void mptcp_pm_data_init(struct mptcp_sock *msk) WRITE_ONCE(msk->pm.addr_signal, 0); WRITE_ONCE(msk->pm.accept_addr, false); WRITE_ONCE(msk->pm.accept_subflow, false); + WRITE_ONCE(msk->pm.remote_deny_join_id0, false); msk->pm.status = 0; spin_lock_init(&msk->pm.lock); |