diff options
| author | Geliang Tang <geliangtang@gmail.com> | 2021-01-09 03:47:58 +0300 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2021-01-10 05:18:43 +0300 |
| commit | 40453a5c61f4dc43bbbdbf7cefed4eb1bc8d69b7 (patch) | |
| tree | 94b080da8490b181b03760f94462ff4c3517a525 /net/mptcp/pm.c | |
| parent | 067065422fcd625492efb7ba130adb8ac1bd8078 (diff) | |
| download | linux-40453a5c61f4dc43bbbdbf7cefed4eb1bc8d69b7.tar.xz | |
mptcp: add the incoming MP_PRIO support
This patch added the incoming MP_PRIO logic:
Added a flag named mp_prio in struct mptcp_options_received, to mark the
MP_PRIO is received, and save the priority value to struct
mptcp_options_received's backup member. Then invoke
mptcp_pm_mp_prio_received with the receiving subsocket and the backup
value.
In mptcp_pm_mp_prio_received, get the subflow context according the input
subsocket, and change the subflow's backup as the incoming priority value.
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 | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/net/mptcp/pm.c b/net/mptcp/pm.c index da2ed576f289..0a6ebd0642ec 100644 --- a/net/mptcp/pm.c +++ b/net/mptcp/pm.c @@ -207,6 +207,14 @@ void mptcp_pm_rm_addr_received(struct mptcp_sock *msk, u8 rm_id) spin_unlock_bh(&pm->lock); } +void mptcp_pm_mp_prio_received(struct sock *sk, u8 bkup) +{ + struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(sk); + + pr_debug("subflow->backup=%d, bkup=%d\n", subflow->backup, bkup); + subflow->backup = bkup; +} + /* path manager helpers */ bool mptcp_pm_add_addr_signal(struct mptcp_sock *msk, unsigned int remaining, |