sys/netinet/sctp_output.c

4003 	 * - fill in the HMAC digest of any AUTH chunk in the packet.
4047 	/* fill in the HMAC digest for any AUTH chunk in the packet */
4745 	/* Now lets put the chunk header in place */
4747 	/* now the chunk header */
4967 	 * processing this chunk stop, and set *abort_processing to 1.
5124 						 * chunk hdr
5240 				/* skip this chunk and continue processing */
5304 	 * parameter that tells us to drop the chunk.
5829 	/* now the chunk header */
6193 					}	/* if chunk was present */
6195 			}	/* if chunk has enabled */
6247 	/* A data chunk MUST fit in a cluster */
6251 	/* adjust for an AUTH chunk if DATA requires auth */
6816 	/* save space for the data chunk header */
6930 		/* find SCTP_ASCONF chunk in queue */
6967 			 * Any chunk NOT 0 you zap the time chunk 0 gets
7009 			/* Mark the chunk as being a window probe */
7354 	/* If we reach here, we can copy out a chunk */
7357 		/* No chunk memory */
7373 	/* clear out the chunk before setting up */
7465 		/* Not enough room for a chunk header, get some */
7688 	/* Need an allowance for the data chunk header too */
7799 	 * Ok this is the generic chunk service queue. we must do the
7805 	 * any control in the control chunk queue also.
7873 			/* we are allowed one chunk in flight */
8100 			 * if no AUTH is yet included and this chunk
8102 			 * don't apply the size until the AUTH chunk is
8104 			 * this chunk. NOTE: we overload the use of "omtu"
8127 				 * Add an AUTH chunk, if chunk requires it
8325 			 * if no AUTH is yet included and this chunk
8327 			 * don't apply the size until the AUTH chunk is
8329 			 * this chunk. NOTE: we overload the use of "omtu"
8352 				 * Add an AUTH chunk, if chunk requires it
8433 						 * the chunk, but that did
8627 					/* Don't send the chunk on this net */
8643 					 * strange, we have a chunk that is
8648 					 * this chunk for some reason?? I
8654 					SCTP_PRINTF("Warning chunk of %d bytes > mtu:%d and yet PMTU disc missed\n",
8670 					 * Add an AUTH chunk, if chunk
8774 			}	/* for (chunk gather loop for this net) */
8913 	 * Prepend a OPERATIONAL_ERROR chunk header and put on the end of
8914 	 * the control chunk queue.
8977 	 * pull out the cookie and put it at the front of the control chunk
9019 	/* ok, we got the cookie lets change it into a cookie echo chunk */
9024 	/* get the chunk stuff now and place it in the FRONT of the queue */
9263 	/* compose an ASCONF chunk, maximum length is PMTU */
9397 	 * rwnd. For a Cookie or Asconf in the control chunk queue we
9463 			 * Add an AUTH chunk, if chunk requires it save the
9589 				 * the lowest chunk.. which is probably what
9629 		 * if no AUTH is yet included and this chunk requires it,
9631 		 * until the AUTH chunk is actually added below in case
9632 		 * there is no room for this chunk.
9936 	 * Ok this is the generic chunk service queue. we must do the
9946 	 *   to combine any control in the control chunk queue also.
10193 	 * Now we need to clean up the control chunk chain if a ECNE is on
10327 			 * ok we must trim down the chunk by lowering the
10367 		/* Setup the chunk */
10775 	 * now that the chunk is prepared queue it to the control chunk
10831 	 * Add an AUTH chunk, if chunk requires it and save the offset into
10866 		/* NO Auth chunk prepended, so reserve space in front */
10870 		/* Put AUTH chunk at the front of the chain */
10878 	/* Fill in the ABORT chunk header. */
11258 		SCTPDBG(SCTP_DEBUG_OUTPUT4, "Gak, can't get a chunk for hb\n");
11282 	/* fill out chunk header */
11501 		 * out the pkt_drop chunk itself from it.
11676 	/* now fix the chunk length */
11717 	/* now fix the chunk length */
11745 	/* now fix the chunk length */
11774 	/* now fix the chunk length */
11824 	/* setup chunk parameters */
11838 	/* insert the chunk for sending */
11868 	/* now fix the chunk length */
11901 	/* now fix the chunk length */
11933 	/* now fix the chunk length */
11976 	/* setup chunk parameters */
12001 	/* insert the chunk for sending */
12080 	/* setup chunk parameters */
12205 	/* insert the chunk for sending */
13268 				 * need to start chunk output
13614  * generate an AUTHentication chunk, if required
13619     struct sctp_tcb *stcb, uint8_t chunk)
13633 	/* does the requested chunk require auth? */
13634 	if (!sctp_auth_is_required_chunk(chunk, stcb->asoc.peer_auth_chunks)) {
13645 	/* fill in the AUTH chunk details */
13662 	/* update length and return pointer to the auth chunk */