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sctp: add support for generating assoc reset event notification

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This patch is to add Association Reset Event described in rfc6525
section 6.1.2.

Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Xin Long
2017-03-10 12:11:06 +08:00
committed by David S. Miller
parent b3ca9af0fb
commit c95129d127
3 changed files with 47 additions and 0 deletions
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28
net/sctp/ulpevent.c
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@@ -883,6 +883,34 @@ struct sctp_ulpevent *sctp_ulpevent_make_stream_reset_event(
return event;
}
struct sctp_ulpevent *sctp_ulpevent_make_assoc_reset_event(
const struct sctp_association *asoc, __u16 flags, __u32 local_tsn,
__u32 remote_tsn, gfp_t gfp)
{
struct sctp_assoc_reset_event *areset;
struct sctp_ulpevent *event;
struct sk_buff *skb;
event = sctp_ulpevent_new(sizeof(struct sctp_assoc_reset_event),
MSG_NOTIFICATION, gfp);
if (!event)
return NULL;
skb = sctp_event2skb(event);
areset = (struct sctp_assoc_reset_event *)
skb_put(skb, sizeof(struct sctp_assoc_reset_event));
areset->assocreset_type = SCTP_ASSOC_RESET_EVENT;
areset->assocreset_flags = flags;
areset->assocreset_length = sizeof(struct sctp_assoc_reset_event);
sctp_ulpevent_set_owner(event, asoc);
areset->assocreset_assoc_id = sctp_assoc2id(asoc);
areset->assocreset_local_tsn = local_tsn;
areset->assocreset_remote_tsn = remote_tsn;
return event;
}
/* Return the notification type, assuming this is a notification
* event.
*/