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authorMarcelo Ricardo Leitner <marcelo.leitner@gmail.com>2015-11-30 17:17:06 +0300
committerDavid S. Miller <davem@davemloft.net>2015-12-03 07:39:46 +0300
commit38ee8fb67c3457f36f5137073c4b8ac2436d2393 (patch)
treecb6729ec00b0dab5d0fdb2f809f5f0c8e714301b /include
parent45f6fad84cc305103b28d73482b344d7f5b76f39 (diff)
downloadlinux-38ee8fb67c3457f36f5137073c4b8ac2436d2393.tar.xz
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: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com> Acked-by: Vlad Yasevich <vyasevich@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
-rw-r--r--include/net/sctp/structs.h16
1 files changed, 8 insertions, 8 deletions
diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
index 495c87e367b3..7bbb71081aeb 100644
--- a/include/net/sctp/structs.h
+++ b/include/net/sctp/structs.h
@@ -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;
+ /* Has this transport moved the ctsn since we last sacked */
+ 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 initializedto 0. When a packet
- * : is received it is incremented. If this value
+ * : SACK. This is initialized to 0. When a packet
+ * : 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. */