diff options
| author | Geliang Tang <geliangtang@gmail.com> | 2020-09-24 08:29:48 +0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-09-24 19:58:33 -0700 |
| commit | 5cb104ae55e9dbffe4552cd77ded37ec8b0518cd (patch) | |
| tree | 8496df1eee63d6f29befa19fbee8f16752111044 /net/mptcp/protocol.h | |
| parent | f643b8032ee31848a5fe619a8f2d2776f8a42902 (diff) | |
| download | linux-5cb104ae55e9dbffe4552cd77ded37ec8b0518cd.tar.bz2 | |
mptcp: add the outgoing RM_ADDR support
This patch added a new signal named rm_addr_signal in PM. On outgoing path,
we called mptcp_pm_should_rm_signal to check if rm_addr_signal has been
set. If it has been, we sent out the RM_ADDR option.
Suggested-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Suggested-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/mptcp/protocol.h')
| -rw-r--r-- | net/mptcp/protocol.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h index 91adc9a19757..8929b0c7660a 100644 --- a/net/mptcp/protocol.h +++ b/net/mptcp/protocol.h @@ -163,6 +163,7 @@ struct mptcp_pm_data { spinlock_t lock; /*protects the whole PM data */ bool add_addr_signal; + bool rm_addr_signal; bool server_side; bool work_pending; bool accept_addr; @@ -176,6 +177,7 @@ struct mptcp_pm_data { u8 local_addr_max; u8 subflows_max; u8 status; + u8 rm_id; }; struct mptcp_data_frag { @@ -443,6 +445,11 @@ static inline bool mptcp_pm_should_add_signal(struct mptcp_sock *msk) return READ_ONCE(msk->pm.add_addr_signal); } +static inline bool mptcp_pm_should_rm_signal(struct mptcp_sock *msk) +{ + return READ_ONCE(msk->pm.rm_addr_signal); +} + static inline unsigned int mptcp_add_addr_len(int family) { if (family == AF_INET) @@ -452,6 +459,8 @@ static inline unsigned int mptcp_add_addr_len(int family) bool mptcp_pm_add_addr_signal(struct mptcp_sock *msk, unsigned int remaining, struct mptcp_addr_info *saddr); +bool mptcp_pm_rm_addr_signal(struct mptcp_sock *msk, unsigned int remaining, + u8 *rm_id); int mptcp_pm_get_local_id(struct mptcp_sock *msk, struct sock_common *skc); void __init mptcp_pm_nl_init(void); |