net/sctp/chunk.c

74 	struct sctp_association *asoc = NULL;
90 		asoc = chunk->asoc;
91 		error = msg->send_error ?: asoc->outqueue.error;
94 		if (sctp_ulpevent_type_enabled(asoc->subscribe,
96 			ev = sctp_ulpevent_make_send_failed(asoc, chunk, sent,
99 				asoc->stream.si->enqueue_event(&asoc->ulpq, ev);
102 		if (sctp_ulpevent_type_enabled(asoc->subscribe,
104 			ev = sctp_ulpevent_make_send_failed_event(asoc, chunk,
108 				asoc->stream.si->enqueue_event(&asoc->ulpq, ev);
146 struct sctp_datamsg *sctp_datamsg_from_user(struct sctp_association *asoc,
165 	if (asoc->peer.prsctp_capable && sinfo->sinfo_timetolive &&
174 	max_data = asoc->frag_point;
176 		max_data = sctp_min_frag_point(sctp_sk(asoc->base.sk),
177 					       sctp_datachk_len(&asoc->stream));
178 		pr_warn_ratelimited("%s: asoc:%p frag_point is zero, forcing max_data to default minimum (%zu)",
179 				    __func__, asoc, max_data);
186 	if (sctp_auth_send_cid(SCTP_CID_DATA, asoc)) {
187 		struct sctp_hmac *hmac_desc = sctp_auth_asoc_get_hmac(asoc);
194 		    sinfo->sinfo_ssn != asoc->active_key_id) {
195 			shkey = sctp_auth_get_shkey(asoc, sinfo->sinfo_ssn);
201 			shkey = asoc->shkey;
214 	if (timer_pending(&asoc->timers[SCTP_EVENT_TIMEOUT_SACK]) &&
215 	    asoc->outqueue.out_qlen == 0 &&
216 	    list_empty(&asoc->outqueue.retransmit) &&
221 	if (asoc->state < SCTP_STATE_COOKIE_ECHOED)
228 			SCTP_INC_STATS(asoc->base.net,
262 		chunk = asoc->stream.si->make_datafrag(asoc, sinfo, len, frag,
302 	if (!chunk->asoc->peer.prsctp_capable)
315 			SCTP_SO(&chunk->asoc->stream,
319 			chunk->asoc->abandoned_sent[SCTP_PR_INDEX(TTL)]++;
322 			chunk->asoc->abandoned_unsent[SCTP_PR_INDEX(TTL)]++;
330 			SCTP_SO(&chunk->asoc->stream,
333 		chunk->asoc->abandoned_sent[SCTP_PR_INDEX(RTX)]++;