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| author | Geliang Tang <geliangtang@gmail.com> | 2020-12-09 15:51:23 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-12-09 19:02:15 -0800 |
| commit | fbe0f87ac7710de31f9c37280b08e0d0d43aa6bf (patch) | |
| tree | 320e1f3d46675c9bc42fc5e03abe45cf62933d1b /net/mptcp/pm_netlink.c | |
| parent | 4a2777a83406cc87edf08b5c71887d896f628525 (diff) | |
| download | lwn-fbe0f87ac7710de31f9c37280b08e0d0d43aa6bf.tar.gz lwn-fbe0f87ac7710de31f9c37280b08e0d0d43aa6bf.zip | |
mptcp: send out dedicated packet for ADD_ADDR using port
The process is similar to that of the ADD_ADDR IPv6, this patch also sent
out a pure ack for the ADD_ADDR using port.
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>
Diffstat (limited to 'net/mptcp/pm_netlink.c')
| -rw-r--r-- | net/mptcp/pm_netlink.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c index 03f2c28f11f5..7a0f700e34bb 100644 --- a/net/mptcp/pm_netlink.c +++ b/net/mptcp/pm_netlink.c @@ -407,7 +407,8 @@ void mptcp_pm_nl_add_addr_send_ack(struct mptcp_sock *msk) { struct mptcp_subflow_context *subflow; - if (!mptcp_pm_should_add_signal_ipv6(msk)) + if (!mptcp_pm_should_add_signal_ipv6(msk) && + !mptcp_pm_should_add_signal_port(msk)) return; __mptcp_flush_join_list(msk); @@ -417,14 +418,21 @@ void mptcp_pm_nl_add_addr_send_ack(struct mptcp_sock *msk) u8 add_addr; spin_unlock_bh(&msk->pm.lock); - pr_debug("send ack for add_addr6"); + if (mptcp_pm_should_add_signal_ipv6(msk)) + pr_debug("send ack for add_addr6"); + if (mptcp_pm_should_add_signal_port(msk)) + pr_debug("send ack for add_addr_port"); + lock_sock(ssk); tcp_send_ack(ssk); release_sock(ssk); spin_lock_bh(&msk->pm.lock); add_addr = READ_ONCE(msk->pm.add_addr_signal); - add_addr &= ~BIT(MPTCP_ADD_ADDR_IPV6); + if (mptcp_pm_should_add_signal_ipv6(msk)) + add_addr &= ~BIT(MPTCP_ADD_ADDR_IPV6); + if (mptcp_pm_should_add_signal_port(msk)) + add_addr &= ~BIT(MPTCP_ADD_ADDR_PORT); WRITE_ONCE(msk->pm.add_addr_signal, add_addr); } } |