diff options
| author | Geliang Tang <geliangtang@gmail.com> | 2020-11-19 11:45:59 -0800 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2020-11-20 15:33:25 -0800 |
| commit | d91d322a72a390702376787b925711ce8338daec (patch) | |
| tree | 1802de955ff98e337951dd82b3c3755ad10c835b /net/mptcp/pm.c | |
| parent | 0397c6d85f9c6f81f6dc3a0a166331b2475b325c (diff) | |
mptcp: change add_addr_signal type
This patch changed the 'add_addr_signal' type from bool to char, so that
we could encode the addr type there.
Suggested-by: Paolo Abeni <pabeni@redhat.com>
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: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/mptcp/pm.c')
| -rw-r--r-- | net/mptcp/pm.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/net/mptcp/pm.c b/net/mptcp/pm.c index f9c88e2abb8e..c2c12f02a263 100644 --- a/net/mptcp/pm.c +++ b/net/mptcp/pm.c @@ -16,11 +16,15 @@ int mptcp_pm_announce_addr(struct mptcp_sock *msk, const struct mptcp_addr_info *addr, bool echo) { + u8 add_addr = READ_ONCE(msk->pm.add_addr_signal); + pr_debug("msk=%p, local_id=%d", msk, addr->id); msk->pm.local = *addr; - WRITE_ONCE(msk->pm.add_addr_echo, echo); - WRITE_ONCE(msk->pm.add_addr_signal, true); + add_addr |= BIT(MPTCP_ADD_ADDR_SIGNAL); + if (echo) + add_addr |= BIT(MPTCP_ADD_ADDR_ECHO); + WRITE_ONCE(msk->pm.add_addr_signal, add_addr); return 0; } @@ -182,13 +186,13 @@ bool mptcp_pm_add_addr_signal(struct mptcp_sock *msk, unsigned int remaining, if (!mptcp_pm_should_add_signal(msk)) goto out_unlock; - *echo = READ_ONCE(msk->pm.add_addr_echo); + *echo = mptcp_pm_should_add_signal_echo(msk); if (remaining < mptcp_add_addr_len(msk->pm.local.family, *echo)) goto out_unlock; *saddr = msk->pm.local; - WRITE_ONCE(msk->pm.add_addr_signal, false); + WRITE_ONCE(msk->pm.add_addr_signal, 0); ret = true; out_unlock: @@ -232,11 +236,10 @@ void mptcp_pm_data_init(struct mptcp_sock *msk) msk->pm.subflows = 0; msk->pm.rm_id = 0; WRITE_ONCE(msk->pm.work_pending, false); - WRITE_ONCE(msk->pm.add_addr_signal, false); + WRITE_ONCE(msk->pm.add_addr_signal, 0); WRITE_ONCE(msk->pm.rm_addr_signal, false); WRITE_ONCE(msk->pm.accept_addr, false); WRITE_ONCE(msk->pm.accept_subflow, false); - WRITE_ONCE(msk->pm.add_addr_echo, false); msk->pm.status = 0; spin_lock_init(&msk->pm.lock); |