mptcp: add allow_join_id0 in mptcp_out_options

This patch defined a new flag MPTCP_CAP_DENY_JOIN_ID0 for the third bit,
labeled "C" of the MP_CAPABLE option.

Add a new flag allow_join_id0 in struct mptcp_out_options. If this flag is
set, send out the MP_CAPABLE option with the flag MPTCP_CAP_DENY_JOIN_ID0.

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>
This commit is contained in:
Geliang Tang
2021-06-22 12:25:19 -07:00
committed by David S. Miller
parent d2f77960e5
commit bab6b88e05
4 changed files with 13 additions and 3 deletions

View File

@@ -67,7 +67,8 @@ struct mptcp_out_options {
u8 backup;
u8 reset_reason:4,
reset_transient:1,
csum_reqd:1;
csum_reqd:1,
allow_join_id0:1;
u32 nonce;
u64 thmac;
u32 token;