diff options
| author | Xin Long <lucien.xin@gmail.com> | 2017-03-10 05:11:08 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-03-13 07:22:23 +0100 |
| commit | b444153fb5a647448c2080ad28656ad183cae4fc (patch) | |
| tree | 5b1d1aa10e516cd83f28a4b9f639ad1346ed7031 /net | |
| parent | sctp: implement receiver-side procedures for the SSN/TSN Reset Request Parameter (diff) | |
| download | linux-b444153fb5a647448c2080ad28656ad183cae4fc.tar.xz linux-b444153fb5a647448c2080ad28656ad183cae4fc.zip | |
sctp: add support for generating add stream change event notification
This patch is to add Stream Change Event described in rfc6525
section 6.1.3.
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
| -rw-r--r-- | net/sctp/ulpevent.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/net/sctp/ulpevent.c b/net/sctp/ulpevent.c index 420d7f35256a..ec2b3e013c2f 100644 --- a/net/sctp/ulpevent.c +++ b/net/sctp/ulpevent.c @@ -911,6 +911,34 @@ struct sctp_ulpevent *sctp_ulpevent_make_assoc_reset_event( return event; } +struct sctp_ulpevent *sctp_ulpevent_make_stream_change_event( + const struct sctp_association *asoc, __u16 flags, + __u32 strchange_instrms, __u32 strchange_outstrms, gfp_t gfp) +{ + struct sctp_stream_change_event *schange; + struct sctp_ulpevent *event; + struct sk_buff *skb; + + event = sctp_ulpevent_new(sizeof(struct sctp_stream_change_event), + MSG_NOTIFICATION, gfp); + if (!event) + return NULL; + + skb = sctp_event2skb(event); + schange = (struct sctp_stream_change_event *) + skb_put(skb, sizeof(struct sctp_stream_change_event)); + + schange->strchange_type = SCTP_STREAM_CHANGE_EVENT; + schange->strchange_flags = flags; + schange->strchange_length = sizeof(struct sctp_stream_change_event); + sctp_ulpevent_set_owner(event, asoc); + schange->strchange_assoc_id = sctp_assoc2id(asoc); + schange->strchange_instrms = strchange_instrms; + schange->strchange_outstrms = strchange_outstrms; + + return event; +} + /* Return the notification type, assuming this is a notification * event. */ |