sctp_pdapi_event
struct sctp_pdapi_event sn_pdapi_event;
struct sctp_pdapi_event *pd;
event = sctp_ulpevent_new(sizeof(struct sctp_pdapi_event),
pd = skb_put(skb, sizeof(struct sctp_pdapi_event));
pd->pdapi_length = sizeof(struct sctp_pdapi_event);