From 0f5c9e3f079f1d0355fd8f5e5ec7e3ada095eef4 Mon Sep 17 00:00:00 2001 From: Geliang Tang Date: Wed, 9 Dec 2020 15:51:24 -0800 Subject: mptcp: add port parameter for mptcp_pm_announce_addr This patch added a new parameter 'port' for mptcp_pm_announce_addr. If this parameter is true, we set the MPTCP_ADD_ADDR_PORT bit of the add_addr_signal. That means the announced address is added with a port number. Signed-off-by: Geliang Tang Signed-off-by: Mat Martineau Signed-off-by: David S. Miller --- net/mptcp/pm.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'net/mptcp/pm.c') diff --git a/net/mptcp/pm.c b/net/mptcp/pm.c index 0c456747893e..e63e14f4cf2a 100644 --- a/net/mptcp/pm.c +++ b/net/mptcp/pm.c @@ -14,7 +14,7 @@ int mptcp_pm_announce_addr(struct mptcp_sock *msk, const struct mptcp_addr_info *addr, - bool echo) + bool echo, bool port) { u8 add_addr = READ_ONCE(msk->pm.add_addr_signal); @@ -26,6 +26,8 @@ int mptcp_pm_announce_addr(struct mptcp_sock *msk, add_addr |= BIT(MPTCP_ADD_ADDR_ECHO); if (addr->family == AF_INET6) add_addr |= BIT(MPTCP_ADD_ADDR_IPV6); + if (port) + add_addr |= BIT(MPTCP_ADD_ADDR_PORT); WRITE_ONCE(msk->pm.add_addr_signal, add_addr); return 0; } @@ -156,7 +158,7 @@ void mptcp_pm_add_addr_received(struct mptcp_sock *msk, spin_lock_bh(&pm->lock); if (!READ_ONCE(pm->accept_addr)) { - mptcp_pm_announce_addr(msk, addr, true); + mptcp_pm_announce_addr(msk, addr, true, addr->port); mptcp_pm_add_addr_send_ack(msk); } else if (mptcp_pm_schedule_work(msk, MPTCP_PM_ADD_ADDR_RECEIVED)) { pm->remote = *addr; -- cgit v1.2.3