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| author | Paolo Abeni <pabeni@redhat.com> | 2020-03-27 14:48:44 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-03-29 22:14:48 -0700 |
| commit | b51f9b80c032e1af1e3e7e8dc733d2d49831e982 (patch) | |
| tree | 0a7b141e21707fd6a0600cf2f0d37baffdf0a876 /net/mptcp/protocol.h | |
| parent | 18b683bff89d46ace55f12d00c0440d44d6160c4 (diff) | |
| download | lwn-b51f9b80c032e1af1e3e7e8dc733d2d49831e982.tar.gz lwn-b51f9b80c032e1af1e3e7e8dc733d2d49831e982.zip | |
mptcp: introduce MPTCP retransmission timer
The timer will be used to schedule retransmission. It's
frequency is based on the current subflow RTO estimation and
is reset on every una_seq update
The timer is clearer for good by __mptcp_clear_xmit()
Also clean MPTCP rtx queue before each transmission.
Signed-off-by: Paolo Abeni <pabeni@redhat.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 | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h index a1fdb879259a..d222eea11922 100644 --- a/net/mptcp/protocol.h +++ b/net/mptcp/protocol.h @@ -157,6 +157,7 @@ struct mptcp_sock { u64 write_seq; u64 ack_seq; atomic64_t snd_una; + unsigned long timer_ival; u32 token; unsigned long flags; bool can_ack; @@ -326,6 +327,7 @@ void mptcp_get_options(const struct sk_buff *skb, void mptcp_finish_connect(struct sock *sk); void mptcp_data_ready(struct sock *sk, struct sock *ssk); bool mptcp_finish_join(struct sock *sk); +void mptcp_data_acked(struct sock *sk); int mptcp_token_new_request(struct request_sock *req); void mptcp_token_destroy_request(u32 token); |