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-rw-r--r--include/net/sctp/command.h1
-rw-r--r--include/net/sctp/constants.h1
-rw-r--r--include/net/sctp/sctp.h1
-rw-r--r--include/net/sctp/structs.h5
4 files changed, 6 insertions, 2 deletions
diff --git a/include/net/sctp/command.h b/include/net/sctp/command.h
index b8733364557..c1f79767357 100644
--- a/include/net/sctp/command.h
+++ b/include/net/sctp/command.h
@@ -103,6 +103,7 @@ typedef enum {
SCTP_CMD_ASSOC_CHANGE, /* generate and send assoc_change event */
SCTP_CMD_ADAPTATION_IND, /* generate and send adaptation event */
SCTP_CMD_ASSOC_SHKEY, /* generate the association shared keys */
+ SCTP_CMD_T1_RETRAN, /* Mark for retransmission after T1 timeout */
SCTP_CMD_LAST
} sctp_verb_t;
diff --git a/include/net/sctp/constants.h b/include/net/sctp/constants.h
index da8354e8e33..73fbdf6a24f 100644
--- a/include/net/sctp/constants.h
+++ b/include/net/sctp/constants.h
@@ -407,6 +407,7 @@ typedef enum {
SCTP_RTXR_T3_RTX,
SCTP_RTXR_FAST_RTX,
SCTP_RTXR_PMTUD,
+ SCTP_RTXR_T1_RTX,
} sctp_retransmit_reason_t;
/* Reasons to lower cwnd. */
diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h
index 93eb708609e..70827305f50 100644
--- a/include/net/sctp/sctp.h
+++ b/include/net/sctp/sctp.h
@@ -267,6 +267,7 @@ enum
SCTP_MIB_T5_SHUTDOWN_GUARD_EXPIREDS,
SCTP_MIB_DELAY_SACK_EXPIREDS,
SCTP_MIB_AUTOCLOSE_EXPIREDS,
+ SCTP_MIB_T1_RETRANSMITS,
SCTP_MIB_T3_RETRANSMITS,
SCTP_MIB_PMTUD_RETRANSMITS,
SCTP_MIB_FAST_RETRANSMITS,
diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
index ef892e00c83..482c2aab3d6 100644
--- a/include/net/sctp/structs.h
+++ b/include/net/sctp/structs.h
@@ -873,10 +873,11 @@ struct sctp_transport {
* address list derived from the INIT or INIT ACK chunk, a
* number of data elements needs to be maintained including:
*/
- __u32 rtt; /* This is the most recent RTT. */
-
/* RTO : The current retransmission timeout value. */
unsigned long rto;
+ unsigned long last_rto;
+
+ __u32 rtt; /* This is the most recent RTT. */
/* RTTVAR : The current RTT variation. */
__u32 rttvar;