net/sctp/structs.h

38 #include <linux/socket.h>	/* linux/in.h needs this!!    */
39 #include <linux/in.h>		/* We get struct sockaddr_in. */
238 	/* Receive to here while partial delivery is in effect. */
263 /* These are the parts of an association which we send in the cookie.
271 	/* My	       : Tag expected in every inbound packet and sent
272 	 * Verification: in the INIT or INIT ACK chunk.
277 	/* Peer's      : Tag expected in every outbound packet except
278 	 * Verification: in the INIT chunk.
284 	 * be in the cookie.
287 	/* My Tie Tag  : Assist in discovering a restarting association. */
290 	/* Peer's Tie Tag: Assist in discovering a restarting association. */
327 	 * The length of the raw address list is saved in the
558 		/* List in specific stream outq */
565 	 * frag_list maintained in the first fragment.
579 	/* These are the SCTP headers by reverse order in a packet.
620 	/* We fill this in if we are calculating RTT. */
640 	 * in order.
651 		singleton:1,		/* Only chunk in the packet? */
652 		end_of_packet:1,	/* Last chunk in the packet? */
659 		pmtu_probe:1,		/* Used by PLPMTUD, can be set in s HB chunk */
721 	 * layer lives in the transport structure.
819 	 * For each destination transport address in the peer's
843 	/* partial     : The tracking method for increase of cwnd when in
880 	/* Last time(in jiffies) when cwnd is reduced due to the congestion
926 	 * [Everywhere else in the text this is called T3-rtx. -ed]
956 	 * idea in SFR_CACC is to maintain state at the sender on a
1037 	/* This is the packet which is currently off the in queue and is
1056  * chunks in and they automatically pop out the other end as bundled
1085 	/* Error of send failed, may used in SCTP_SEND_FAILED event. */
1106 	/* How many unackd bytes do we have in-flight?	*/
1177 	 *	peer(s) in INIT and INIT ACK chunks.
1293 	/* Fields to help us manage our entries in the hash tables. */
1299 	 *	      may be in the form of a hash table or other
1312 	 *	      Discussion in [RFC1750] can be helpful in
1407 	/* The next stream in line */
1459 	GENRADIX(struct sctp_stream_in)	in;
1475 			/* The next stream in line */
1496 	return genradix_ptr(&stream->in, sid);
1527 	/* Maximum observed rto in the association during subsequent
1529 	 * The transport where the max_rto was observed is returned in
1590 	/* These are those association elements needed in the cookie.  */
1621 		 * Transport   : in the Peer Transport Address List.
1684 		 *	    in the form of a circular buffer or bit array.
1686 		 * Last Rcvd   : This is the last TSN received in
1688 		 *	       : taking the peer's Initial TSN, received in
1694 		 * ignore the advice in 12.2 in favour of the term
1695 		 * used in the bulk of the text.  This value is hidden
1696 		 * in tsn_map--we get it by calling sctp_tsnmap_get_ctsn().
1753 	 *	       : association is in, i.e. COOKIE-WAIT,
1783 	/* Maximum number of new data packets that can be sent in a burst.  */
1806 	/* The largest timeout or RTO value to use in attempting an INIT */
1818 	/* This is the max_retrans value for new transports in the
1854 	 *	       : DATA chunk.  This is sent in the INIT or INIT
1863 	 * Last Rcvd   : This is the last TSN received in sequence.  This value
1865 	 *	       : received in the INIT or INIT ACK chunk, and
1896 	 * to set a_rwnd field in an INIT or a SACK chunk.
1914 	/* This is the sndbuf size in use for the association.
1916 	 * as specified in the sk->sndbuf.
1921 	 * in the receive path at any given time.
1981 	 * R1) One and only one ASCONF Chunk MAY be in transit and
1987 	 * so at any time two ASCONF may be in-transit on any given
1990 	 * [This is our one-and-only-one ASCONF in flight.  If we do
1991 	 * not have an ASCONF in flight, this is NULL.]
2002 	 * describes in detail how they are cached and cleaned up.
2011 	 * is in flight at any time.
2020 	 * R1) One and only one ASCONF Chunk MAY be in transit and
2026 	 * so at any time two ASCONF may be in-transit on any given
2031 	 *  which already resides in sctp_outq.	 Please move this