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Commit 38ee8fb6 authored by Marcelo Ricardo Leitner's avatar Marcelo Ricardo Leitner Committed by David S. Miller
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sctp: convert sack_needed and sack_generation to bits 



They don't need to be any bigger than that and with this we start a new
bitfield for tracking association runtime stuff, like zero window
situation.

Signed-off-by: default avatarMarcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Acked-by: default avatarVlad Yasevich <vyasevich@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 45f6fad8

include/net/sctp/structs.h

+8 −8
Original line number Diff line number Diff line
@@ -775,10 +775,10 @@ struct sctp_transport { 
		hb_sent:1,



		/* Is the Path MTU update pending on this tranport */

		pmtu_pending:1;

		pmtu_pending:1,



		/* Has this transport moved the ctsn since we last sacked */

	__u32 sack_generation;

		sack_generation:1;

	u32 dst_cookie;



	struct flowi fl;
@@ -1482,19 +1482,19 @@ struct sctp_association { 
			prsctp_capable:1,   /* Can peer do PR-SCTP? */

			auth_capable:1;     /* Is peer doing SCTP-AUTH? */



		/* Ack State   : This flag indicates if the next received

		/* sack_needed : This flag indicates if the next received

		 *             : packet is to be responded to with a

		 *             : SACK. This is initialized to 0.  When a packet

		 *             : is received it is incremented. If this value

		 *             : is received sack_cnt is incremented. If this value

		 *             : reaches 2 or more, a SACK is sent and the

		 *             : value is reset to 0. Note: This is used only

		 *             : when no DATA chunks are received out of

		 *             : order.  When DATA chunks are out of order,

		 *             : SACK's are not delayed (see Section 6).

		 */

		__u8    sack_needed;     /* Do we need to sack the peer? */

		__u8    sack_needed:1,     /* Do we need to sack the peer? */

			sack_generation:1;

		__u32	sack_cnt;

		__u32	sack_generation;



		__u32   adaptation_ind;	 /* Adaptation Code point. */