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| author | Geliang Tang <geliangtang@gmail.com> | 2020-09-24 08:29:49 +0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-09-24 19:58:33 -0700 |
| commit | d0876b2284cf8b34dd214b2d0aa21071c345da59 (patch) | |
| tree | f40a00b17b08a2c26551c1133db6ffb2e2cc0532 /net/mptcp/pm.c | |
| parent | 5cb104ae55e9dbffe4552cd77ded37ec8b0518cd (diff) | |
| download | lwn-d0876b2284cf8b34dd214b2d0aa21071c345da59.tar.gz lwn-d0876b2284cf8b34dd214b2d0aa21071c345da59.zip | |
mptcp: add the incoming RM_ADDR support
This patch added the RM_ADDR option parsing logic:
We parsed the incoming options to find if the rm_addr option is received,
and called mptcp_pm_rm_addr_received to schedule PM work to a new status,
named MPTCP_PM_RM_ADDR_RECEIVED.
PM work got this status, and called mptcp_pm_nl_rm_addr_received to handle
it.
In mptcp_pm_nl_rm_addr_received, we closed the subflow matching the rm_id,
and updated PM counter.
Suggested-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Suggested-by: Paolo Abeni <pabeni@redhat.com>
Suggested-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Reviewed-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 | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/net/mptcp/pm.c b/net/mptcp/pm.c index 81b07ae213b9..558462d87eb3 100644 --- a/net/mptcp/pm.c +++ b/net/mptcp/pm.c @@ -149,6 +149,18 @@ void mptcp_pm_add_addr_received(struct mptcp_sock *msk, spin_unlock_bh(&pm->lock); } +void mptcp_pm_rm_addr_received(struct mptcp_sock *msk, u8 rm_id) +{ + struct mptcp_pm_data *pm = &msk->pm; + + pr_debug("msk=%p remote_id=%d", msk, rm_id); + + spin_lock_bh(&pm->lock); + mptcp_pm_schedule_work(msk, MPTCP_PM_RM_ADDR_RECEIVED); + pm->rm_id = rm_id; + spin_unlock_bh(&pm->lock); +} + /* path manager helpers */ bool mptcp_pm_add_addr_signal(struct mptcp_sock *msk, unsigned int remaining, |