aboutsummaryrefslogtreecommitdiff
path: root/include/net/sctp/structs.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/net/sctp/structs.h')
-rw-r--r--include/net/sctp/structs.h89
1 files changed, 51 insertions, 38 deletions
diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
index f5c22d77fea..8c522ae031b 100644
--- a/include/net/sctp/structs.h
+++ b/include/net/sctp/structs.h
@@ -127,9 +127,9 @@ extern struct sctp_globals {
* RTO.Alpha - 1/8 (3 when converted to right shifts.)
* RTO.Beta - 1/4 (2 when converted to right shifts.)
*/
- __u32 rto_initial;
- __u32 rto_min;
- __u32 rto_max;
+ unsigned long rto_initial;
+ unsigned long rto_min;
+ unsigned long rto_max;
/* Note: rto_alpha and rto_beta are really defined as inverse
* powers of two to facilitate integer operations.
@@ -140,12 +140,18 @@ extern struct sctp_globals {
/* Max.Burst - 4 */
int max_burst;
- /* Valid.Cookie.Life - 60 seconds */
- int valid_cookie_life;
-
/* Whether Cookie Preservative is enabled(1) or not(0) */
int cookie_preserve_enable;
+ /* Valid.Cookie.Life - 60 seconds */
+ unsigned long valid_cookie_life;
+
+ /* Delayed SACK timeout 200ms default*/
+ unsigned long sack_timeout;
+
+ /* HB.interval - 30 seconds */
+ unsigned long hb_interval;
+
/* Association.Max.Retrans - 10 attempts
* Path.Max.Retrans - 5 attempts (per destination address)
* Max.Init.Retransmits - 8 attempts
@@ -168,12 +174,6 @@ extern struct sctp_globals {
*/
int rcvbuf_policy;
- /* Delayed SACK timeout 200ms default*/
- int sack_timeout;
-
- /* HB.interval - 30 seconds */
- int hb_interval;
-
/* The following variables are implementation specific. */
/* Default initialization values to be applied to new associations. */
@@ -405,8 +405,9 @@ struct sctp_cookie {
/* The format of our cookie that we send to our peer. */
struct sctp_signed_cookie {
__u8 signature[SCTP_SECRET_SIZE];
+ __u32 __pad; /* force sctp_cookie alignment to 64 bits */
struct sctp_cookie c;
-};
+} __attribute__((packed));
/* This is another convenience type to allocate memory for address
* params for the maximum size and pass such structures around
@@ -827,7 +828,7 @@ struct sctp_transport {
__u32 rtt; /* This is the most recent RTT. */
/* RTO : The current retransmission timeout value. */
- __u32 rto;
+ unsigned long rto;
/* RTTVAR : The current RTT variation. */
__u32 rttvar;
@@ -877,22 +878,10 @@ struct sctp_transport {
/* Heartbeat interval: The endpoint sends out a Heartbeat chunk to
* the destination address every heartbeat interval.
*/
- __u32 hbinterval;
-
- /* This is the max_retrans value for the transport and will
- * be initialized from the assocs value. This can be changed
- * using SCTP_SET_PEER_ADDR_PARAMS socket option.
- */
- __u16 pathmaxrxt;
-
- /* PMTU : The current known path MTU. */
- __u32 pathmtu;
+ unsigned long hbinterval;
/* SACK delay timeout */
- __u32 sackdelay;
-
- /* Flags controling Heartbeat, SACK delay, and Path MTU Discovery. */
- __u32 param_flags;
+ unsigned long sackdelay;
/* When was the last time (in jiffies) that we heard from this
* transport? We use this to pick new active and retran paths.
@@ -904,6 +893,18 @@ struct sctp_transport {
*/
unsigned long last_time_ecne_reduced;
+ /* This is the max_retrans value for the transport and will
+ * be initialized from the assocs value. This can be changed
+ * using SCTP_SET_PEER_ADDR_PARAMS socket option.
+ */
+ __u16 pathmaxrxt;
+
+ /* PMTU : The current known path MTU. */
+ __u32 pathmtu;
+
+ /* Flags controling Heartbeat, SACK delay, and Path MTU Discovery. */
+ __u32 param_flags;
+
/* The number of times INIT has been sent on this transport. */
int init_sent_count;
@@ -1249,6 +1250,14 @@ struct sctp_endpoint {
int last_key;
int key_changed_at;
+ /* digest: This is a digest of the sctp cookie. This field is
+ * only used on the receive path when we try to validate
+ * that the cookie has not been tampered with. We put
+ * this here so we pre-allocate this once and can re-use
+ * on every receive.
+ */
+ __u8 digest[SCTP_SIGNATURE_SIZE];
+
/* sendbuf acct. policy. */
__u32 sndbuf_policy;
@@ -1499,9 +1508,9 @@ struct sctp_association {
* These values will be initialized by system defaults, but can
* be modified via the SCTP_RTOINFO socket option.
*/
- __u32 rto_initial;
- __u32 rto_max;
- __u32 rto_min;
+ unsigned long rto_initial;
+ unsigned long rto_max;
+ unsigned long rto_min;
/* Maximum number of new data packets that can be sent in a burst. */
int max_burst;
@@ -1519,13 +1528,13 @@ struct sctp_association {
__u16 init_retries;
/* The largest timeout or RTO value to use in attempting an INIT */
- __u16 max_init_timeo;
+ unsigned long max_init_timeo;
/* Heartbeat interval: The endpoint sends out a Heartbeat chunk to
* the destination address every heartbeat interval. This value
* will be inherited by all new transports.
*/
- __u32 hbinterval;
+ unsigned long hbinterval;
/* This is the max_retrans value for new transports in the
* association.
@@ -1537,13 +1546,14 @@ struct sctp_association {
*/
__u32 pathmtu;
- /* SACK delay timeout */
- __u32 sackdelay;
-
/* Flags controling Heartbeat, SACK delay, and Path MTU Discovery. */
__u32 param_flags;
- int timeouts[SCTP_NUM_TIMEOUT_TYPES];
+ /* SACK delay timeout */
+ unsigned long sackdelay;
+
+
+ unsigned long timeouts[SCTP_NUM_TIMEOUT_TYPES];
struct timer_list timers[SCTP_NUM_TIMEOUT_TYPES];
/* Transport to which SHUTDOWN chunk was last sent. */
@@ -1648,7 +1658,10 @@ struct sctp_association {
/* How many duplicated TSNs have we seen? */
int numduptsns;
- /* Number of seconds of idle time before an association is closed. */
+ /* Number of seconds of idle time before an association is closed.
+ * In the association context, this is really used as a boolean
+ * since the real timeout is stored in the timeouts array
+ */
__u32 autoclose;
/* These are to support