diff options
| author | Kishen Maloor <kishen.maloor@intel.com> | 2022-05-02 23:52:34 +0300 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2022-05-04 02:54:55 +0300 |
| commit | d1ace2d9abf3eb5aaa91621050bfd02695721d18 (patch) | |
| tree | 53ada923486b7cf0e87daced865ffdd0dc7d0fe1 /net/mptcp/pm.c | |
| parent | 8a348392209ffdd70926253f014eec0c04dbf3e7 (diff) | |
| download | linux-d1ace2d9abf3eb5aaa91621050bfd02695721d18.tar.xz | |
mptcp: reflect remote port (not 0) in ANNOUNCED events
Per RFC 8684, if no port is specified in an ADD_ADDR message, MPTCP
SHOULD attempt to connect to the specified address on the same port
as the port that is already in use by the subflow on which the
ADD_ADDR signal was sent.
To facilitate that, this change reflects the specific remote port in
use by that subflow in MPTCP_EVENT_ANNOUNCED events.
Acked-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Kishen Maloor <kishen.maloor@intel.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 | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/net/mptcp/pm.c b/net/mptcp/pm.c index 8df9cb28d970..5d6832c4d9f2 100644 --- a/net/mptcp/pm.c +++ b/net/mptcp/pm.c @@ -200,15 +200,17 @@ void mptcp_pm_subflow_check_next(struct mptcp_sock *msk, const struct sock *ssk, spin_unlock_bh(&pm->lock); } -void mptcp_pm_add_addr_received(struct mptcp_sock *msk, +void mptcp_pm_add_addr_received(const struct sock *ssk, const struct mptcp_addr_info *addr) { + struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(ssk); + struct mptcp_sock *msk = mptcp_sk(subflow->conn); struct mptcp_pm_data *pm = &msk->pm; pr_debug("msk=%p remote_id=%d accept=%d", msk, addr->id, READ_ONCE(pm->accept_addr)); - mptcp_event_addr_announced(msk, addr); + mptcp_event_addr_announced(ssk, addr); spin_lock_bh(&pm->lock); |