There is no point on delaying the packet if we can't fit a single byte
of data on it anymore. So lets just reduce the threshold by the amount
that a data chunk with 4 bytes (rounding) would use.
v2: based on the right tree
Signed-off-by: Marcelo Ricardo Leitner <marcelo.leit...@gmail.com>
---
net/sctp/output.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/net/sctp/output.c b/net/sctp/output.c
index
97745351d58c2fb32b9f9b57d61831d7724d83b2..9844fe573029b9e262743440980f15277ddaf5a1
100644
--- a/net/sctp/output.c
+++ b/net/sctp/output.c
@@ -705,7 +705,8 @@ static sctp_xmit_t sctp_packet_can_append_data(struct
sctp_packet *packet,
/* Check whether this chunk and all the rest of pending data will fit
* or delay in hopes of bundling a full sized packet.
*/
- if (chunk->skb->len + q->out_qlen >= transport->pathmtu -
packet->overhead)
+ if (chunk->skb->len + q->out_qlen >
+ transport->pathmtu - packet->overhead -
sizeof(sctp_data_chunk_t) - 4)
/* Enough data queued to fill a packet */
return SCTP_XMIT_OK;
--
2.5.0
