61 					      struct sctp_chunk *chunk);
63 					   struct sctp_chunk *chunk);
65 					   struct sctp_chunk *chunk);
67 					struct sctp_chunk *chunk,
87 	struct sctp_chunk *chunk = NULL;  in sctp_packet_config()  local
94 		chunk = sctp_get_ecne_prepend(packet->transport->asoc);  in sctp_packet_config()
99 		if (chunk)  in sctp_packet_config()
100 			sctp_packet_append_chunk(packet, chunk);  in sctp_packet_config()
137 	struct sctp_chunk *chunk, *tmp;  in sctp_packet_free()  local
141 	list_for_each_entry_safe(chunk, tmp, &packet->chunk_list, list) {  in sctp_packet_free()
142 		list_del_init(&chunk->list);  in sctp_packet_free()
143 		sctp_chunk_free(chunk);  in sctp_packet_free()
155 				       struct sctp_chunk *chunk,  in sctp_packet_transmit_chunk()  argument
161 	pr_debug("%s: packet:%p chunk:%p\n", __func__, packet, chunk);  in sctp_packet_transmit_chunk()
163 	switch ((retval = (sctp_packet_append_chunk(packet, chunk)))) {  in sctp_packet_transmit_chunk()
168 				chunk->skb->sk->sk_err = -error;  in sctp_packet_transmit_chunk()
175 								  chunk);  in sctp_packet_transmit_chunk()
190 					   struct sctp_chunk *chunk)  in sctp_packet_bundle_auth()  argument
203 	if (chunk->chunk_hdr->type == SCTP_CID_AUTH || pkt->has_auth)  in sctp_packet_bundle_auth()
209 	if (!chunk->auth)  in sctp_packet_bundle_auth()
226 					   struct sctp_chunk *chunk)  in sctp_packet_bundle_sack()  argument
233 	if (sctp_chunk_is_data(chunk) && !pkt->has_sack &&  in sctp_packet_bundle_sack()
271 					      struct sctp_chunk *chunk)  in __sctp_packet_append_chunk()  argument
274 	__u16 chunk_len = WORD_ROUND(ntohs(chunk->chunk_hdr->length));  in __sctp_packet_append_chunk()
277 	retval = sctp_packet_will_fit(packet, chunk, chunk_len);  in __sctp_packet_append_chunk()
282 	switch (chunk->chunk_hdr->type) {  in __sctp_packet_append_chunk()
285 		sctp_packet_append_data(packet, chunk);  in __sctp_packet_append_chunk()
293 		chunk->sent_at = jiffies;  in __sctp_packet_append_chunk()
301 		if (chunk->asoc)  in __sctp_packet_append_chunk()
302 			chunk->asoc->stats.osacks++;  in __sctp_packet_append_chunk()
307 		packet->auth = chunk;  in __sctp_packet_append_chunk()
312 	list_add_tail(&chunk->list, &packet->chunk_list);  in __sctp_packet_append_chunk()
314 	chunk->transport = packet->transport;  in __sctp_packet_append_chunk()
323 				     struct sctp_chunk *chunk)  in sctp_packet_append_chunk()  argument
327 	pr_debug("%s: packet:%p chunk:%p\n", __func__, packet, chunk);  in sctp_packet_append_chunk()
333 	if (sctp_chunk_is_data(chunk)) {  in sctp_packet_append_chunk()
334 		retval = sctp_packet_can_append_data(packet, chunk);  in sctp_packet_append_chunk()
340 	retval = sctp_packet_bundle_auth(packet, chunk);  in sctp_packet_append_chunk()
345 	retval = sctp_packet_bundle_sack(packet, chunk);  in sctp_packet_append_chunk()
349 	retval = __sctp_packet_append_chunk(packet, chunk);  in sctp_packet_append_chunk()
385 	struct sctp_chunk *chunk, *tmp;  in sctp_packet_transmit()  local
400 	chunk = list_entry(packet->chunk_list.next, struct sctp_chunk, list);  in sctp_packet_transmit()
401 	sk = chunk->skb->sk;  in sctp_packet_transmit()
466 	list_for_each_entry_safe(chunk, tmp, &packet->chunk_list, list) {  in sctp_packet_transmit()
467 		list_del_init(&chunk->list);  in sctp_packet_transmit()
468 		if (sctp_chunk_is_data(chunk)) {  in sctp_packet_transmit()
476 			if (!chunk->resent && !tp->rto_pending) {  in sctp_packet_transmit()
477 				chunk->rtt_in_progress = 1;  in sctp_packet_transmit()
484 		padding = WORD_ROUND(chunk->skb->len) - chunk->skb->len;  in sctp_packet_transmit()
486 			memset(skb_put(chunk->skb, padding), 0, padding);  in sctp_packet_transmit()
492 		if (chunk == packet->auth)  in sctp_packet_transmit()
495 		memcpy(skb_put(nskb, chunk->skb->len),  in sctp_packet_transmit()
496 			       chunk->skb->data, chunk->skb->len);  in sctp_packet_transmit()
499 			 "rtt_in_progress:%d\n", chunk,  in sctp_packet_transmit()
500 			 sctp_cname(SCTP_ST_CHUNK(chunk->chunk_hdr->type)),  in sctp_packet_transmit()
501 			 chunk->has_tsn ? "TSN" : "No TSN",  in sctp_packet_transmit()
502 			 chunk->has_tsn ? ntohl(chunk->subh.data_hdr->tsn) : 0,  in sctp_packet_transmit()
503 			 ntohs(chunk->chunk_hdr->length), chunk->skb->len,  in sctp_packet_transmit()
504 			 chunk->rtt_in_progress);  in sctp_packet_transmit()
511 		if (!sctp_chunk_is_data(chunk))  in sctp_packet_transmit()
512 			sctp_chunk_free(chunk);  in sctp_packet_transmit()
619 	list_for_each_entry_safe(chunk, tmp, &packet->chunk_list, list) {  in sctp_packet_transmit()
620 		list_del_init(&chunk->list);  in sctp_packet_transmit()
621 		if (!sctp_chunk_is_data(chunk))  in sctp_packet_transmit()
622 			sctp_chunk_free(chunk);  in sctp_packet_transmit()
636 					   struct sctp_chunk *chunk)  in sctp_packet_can_append_data()  argument
660 	datasize = sctp_data_size(chunk);  in sctp_packet_can_append_data()
680 	if (chunk->fast_retransmit != SCTP_NEED_FRTX &&  in sctp_packet_can_append_data()
708 	if (chunk->skb->len + q->out_qlen >= transport->pathmtu - packet->overhead)  in sctp_packet_can_append_data()
713 	if (!chunk->msg->can_delay)  in sctp_packet_can_append_data()
722 				struct sctp_chunk *chunk)  in sctp_packet_append_data()  argument
725 	size_t datasize = sctp_data_size(chunk);  in sctp_packet_append_data()
744 		chunk->msg->can_abandon = 0;  in sctp_packet_append_data()
745 	sctp_chunk_assign_tsn(chunk);  in sctp_packet_append_data()
746 	sctp_chunk_assign_ssn(chunk);  in sctp_packet_append_data()
750 					struct sctp_chunk *chunk,  in sctp_packet_will_fit()  argument
775 		if (sctp_packet_empty(packet) || !sctp_chunk_is_data(chunk) ||  in sctp_packet_will_fit()
776 		    (!packet->has_data && chunk->auth)) {  in sctp_packet_will_fit()