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| author | Xin Long <lucien.xin@gmail.com> | 2021-07-25 13:42:50 -0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-07-25 23:06:02 +0100 |
| commit | 058e6e0ed0eace43401c945082dec1d669b5b231 (patch) | |
| tree | 6a16a2ca8554df78975388425fe6eb37f3ba858a /include/net | |
| parent | 795e3d2ea68e489ee7039ac29e98bfea0e34a96c (diff) | |
| download | lwn-058e6e0ed0eace43401c945082dec1d669b5b231.tar.gz lwn-058e6e0ed0eace43401c945082dec1d669b5b231.zip | |
sctp: improve the code for pmtu probe send and recv update
This patch does 3 things:
- make sctp_transport_pl_send() and sctp_transport_pl_recv()
return bool type to decide if more probe is needed to send.
- pr_debug() only when probe is really needed to send.
- count pl.raise_count in sctp_transport_pl_send() instead of
sctp_transport_pl_recv(), and it's only incremented for the
1st probe for the same size.
These are preparations for the next patch to make probes happen
only when there's packet loss in Search Complete state.
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net')
| -rw-r--r-- | include/net/sctp/structs.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h index 32fc4a309df5..f3d414ed208e 100644 --- a/include/net/sctp/structs.h +++ b/include/net/sctp/structs.h @@ -1024,8 +1024,8 @@ bool sctp_transport_update_pmtu(struct sctp_transport *t, u32 pmtu); void sctp_transport_immediate_rtx(struct sctp_transport *); void sctp_transport_dst_release(struct sctp_transport *t); void sctp_transport_dst_confirm(struct sctp_transport *t); -void sctp_transport_pl_send(struct sctp_transport *t); -void sctp_transport_pl_recv(struct sctp_transport *t); +bool sctp_transport_pl_send(struct sctp_transport *t); +bool sctp_transport_pl_recv(struct sctp_transport *t); /* This is the structure we use to queue packets as they come into |