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mptcp: remove multi subflows in PM

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This patch dealt with removing multi subflows in PM:

In mptcp_pm_remove_subflow, changed the input parameter local_id as an
list of removing address ids, and passed the list to
mptcp_pm_nl_rm_subflow_received.

In mptcp_pm_nl_rm_subflow_received, iterated each address id from the
received ids list. Then shut down and closed each address id's subsocket.

In mptcp_nl_remove_subflow_and_signal_addr, put the single address id into
an ids list, and passed it to mptcp_pm_remove_subflow.

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
2021-03-12 17:16:16 -08:00
committed by David S. Miller
parent d0b698ca9a
commit ddd14bb85d
3 changed files with 31 additions and 22 deletions
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6
net/mptcp/pm.c
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@@ -56,12 +56,12 @@ int mptcp_pm_remove_addr(struct mptcp_sock *msk, const struct mptcp_rm_list *rm_
return 0;
}
int mptcp_pm_remove_subflow(struct mptcp_sock *msk, u8 local_id)
int mptcp_pm_remove_subflow(struct mptcp_sock *msk, const struct mptcp_rm_list *rm_list)
{
pr_debug("msk=%p, local_id=%d", msk, local_id);
pr_debug("msk=%p, rm_list_nr=%d", msk, rm_list->nr);
spin_lock_bh(&msk->pm.lock);
mptcp_pm_nl_rm_subflow_received(msk, local_id);
mptcp_pm_nl_rm_subflow_received(msk, rm_list);
spin_unlock_bh(&msk->pm.lock);
return 0;
}