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authorKishen Maloor <kishen.maloor@intel.com>2022-05-02 13:52:33 -0700
committerJakub Kicinski <kuba@kernel.org>2022-05-03 16:54:54 -0700
commit8a348392209ffdd70926253f014eec0c04dbf3e7 (patch)
treeac076f5e9337b98d245c69c0077edf7f25a5e74d /net/mptcp
parentb3b71bf915210969ef4807e39c8f037c40a05e76 (diff)
mptcp: store remote id from MP_JOIN SYN/ACK in local ctx
This change reads the addr id assigned to the remote endpoint of a subflow from the MP_JOIN SYN/ACK message and stores it in the related subflow context. The remote id was not being captured prior to this change, and will now provide a consistent view of remote endpoints and their ids as seen through netlink events. Acked-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Kishen Maloor <kishen.maloor@intel.com> Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/mptcp')
-rw-r--r--net/mptcp/subflow.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/net/mptcp/subflow.c b/net/mptcp/subflow.c
index 9567231a4bfa..a0e7af33fb26 100644
--- a/net/mptcp/subflow.c
+++ b/net/mptcp/subflow.c
@@ -443,6 +443,7 @@ static void subflow_finish_connect(struct sock *sk, const struct sk_buff *skb)
subflow->backup = mp_opt.backup;
subflow->thmac = mp_opt.thmac;
subflow->remote_nonce = mp_opt.nonce;
+ subflow->remote_id = mp_opt.join_id;
pr_debug("subflow=%p, thmac=%llu, remote_nonce=%u backup=%d",
subflow, subflow->thmac, subflow->remote_nonce,
subflow->backup);