diff options
| author | Xin Long <lucien.xin@gmail.com> | 2017-03-27 00:21:15 +0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-03-28 17:56:15 -0700 |
| commit | f9ba3501d50317697811ff3c48f623f08d616fc8 (patch) | |
| tree | d2f56d5f76f94719818538d4a9194b69b5a50fba /include/net/sctp | |
| parent | ffefb6f4d6ad699a2b5484241bc46745a53235d0 (diff) | |
sctp: change to save MSG_MORE flag into assoc
David Laight noticed the support for MSG_MORE with datamsg->force_delay
didn't really work as we expected, as the first msg with MSG_MORE set
would always block the following chunks' dequeuing.
This Patch is to rewrite it by saving the MSG_MORE flag into assoc as
David Laight suggested.
asoc->force_delay is used to save MSG_MORE flag before a msg is sent.
All chunks in queue would not be sent out if asoc->force_delay is set
by the msg with MSG_MORE flag, until a new msg without MSG_MORE flag
clears asoc->force_delay.
Note that this change would not affect the flush is generated by other
triggers, like asoc->state != ESTABLISHED, queue size > pmtu etc.
v1->v2:
Not clear asoc->force_delay after sending the msg with MSG_MORE flag.
Fixes: 4ea0c32f5f42 ("sctp: add support for MSG_MORE")
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Acked-by: David Laight <david.laight@aculab.com>
Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/sctp')
| -rw-r--r-- | include/net/sctp/structs.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h index 592decebac75..8caa5ee9e290 100644 --- a/include/net/sctp/structs.h +++ b/include/net/sctp/structs.h @@ -499,7 +499,6 @@ struct sctp_datamsg { /* Did the messenge fail to send? */ int send_error; u8 send_failed:1, - force_delay:1, can_delay; /* should this message be Nagle delayed */ }; @@ -1878,6 +1877,7 @@ struct sctp_association { __u8 need_ecne:1, /* Need to send an ECNE Chunk? */ temp:1, /* Is it a temporary association? */ + force_delay:1, prsctp_enable:1, reconf_enable:1; |