diff options
| author | Geliang Tang <geliangtang@xiaomi.com> | 2021-08-24 16:26:16 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-08-25 11:02:34 +0100 |
| commit | 5580d41b758af12134d5c6b4c385fc25d0c6bfb0 (patch) | |
| tree | 65118b49118bf677e80f987cf0d03ca3e9fab994 /net/mptcp/protocol.h | |
| parent | c25aeb4e095355eec3beb6a2b2b30322bd6d0dd4 (diff) | |
mptcp: MP_FAIL suboption receiving
This patch added handling for receiving MP_FAIL suboption.
Add a new members mp_fail and fail_seq in struct mptcp_options_received.
When MP_FAIL suboption is received, set mp_fail to 1 and save the sequence
number to fail_seq.
Then invoke mptcp_pm_mp_fail_received to deal with the MP_FAIL suboption.
Signed-off-by: Geliang Tang <geliangtang@xiaomi.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/protocol.h')
| -rw-r--r-- | net/mptcp/protocol.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h index 3e4a79cf520a..9ee5676e70c6 100644 --- a/net/mptcp/protocol.h +++ b/net/mptcp/protocol.h @@ -140,6 +140,7 @@ struct mptcp_options_received { add_addr : 1, rm_addr : 1, mp_prio : 1, + mp_fail : 1, echo : 1, csum_reqd : 1, backup : 1, @@ -161,6 +162,7 @@ struct mptcp_options_received { u64 ahmac; u8 reset_reason:4; u8 reset_transient:1; + u64 fail_seq; }; static inline __be32 mptcp_option(u8 subopt, u8 len, u8 nib, u8 field) @@ -726,6 +728,7 @@ void mptcp_pm_mp_prio_received(struct sock *sk, u8 bkup); int mptcp_pm_nl_mp_prio_send_ack(struct mptcp_sock *msk, struct mptcp_addr_info *addr, u8 bkup); +void mptcp_pm_mp_fail_received(struct sock *sk, u64 fail_seq); void mptcp_pm_free_anno_list(struct mptcp_sock *msk); bool mptcp_pm_sport_in_anno_list(struct mptcp_sock *msk, const struct sock *sk); struct mptcp_pm_add_entry * |