Merge branch 'linus' into xen-64bit

4 files changed, 48 insertions, 21 deletions

diff --git a/include/net/sctp/checksum.h b/include/net/sctp/checksum.h
index ba75c67cb99..b799fb21519 100644
--- a/include/net/sctp/checksum.h
+++ b/include/net/sctp/checksum.h
@@ -46,9 +46,14 @@
 #include <net/sctp/sctp.h>
 #include <linux/crc32c.h>
 
-static inline __u32 sctp_start_cksum(__u8 *buffer, __u16 length)
+static inline __be32 sctp_crc32c(__be32 crc, u8 *buffer, u16 length)
 {
-	__u32 crc = ~(__u32) 0;
+	return (__force __be32)crc32c((__force u32)crc, buffer, length);
+}
+
+static inline __be32 sctp_start_cksum(__u8 *buffer, __u16 length)
+{
+	__be32 crc = ~cpu_to_be32(0);
 	__u8  zero[sizeof(__u32)] = {0};
 
 	/* Optimize this routine to be SCTP specific, knowing how
@@ -56,23 +61,23 @@ static inline __u32 sctp_start_cksum(__u8 *buffer, __u16 length)
 	 */
 
 	/* Calculate CRC up to the checksum. */
-	crc = crc32c(crc, buffer, sizeof(struct sctphdr) - sizeof(__u32));
+	crc = sctp_crc32c(crc, buffer, sizeof(struct sctphdr) - sizeof(__u32));
 
 	/* Skip checksum field of the header. */
-	crc = crc32c(crc, zero, sizeof(__u32));
+	crc = sctp_crc32c(crc, zero, sizeof(__u32));
 
 	/* Calculate the rest of the CRC. */
-	crc = crc32c(crc, &buffer[sizeof(struct sctphdr)],
+	crc = sctp_crc32c(crc, &buffer[sizeof(struct sctphdr)],
 			    length - sizeof(struct sctphdr));
 	return crc;
 }
 
-static inline __u32 sctp_update_cksum(__u8 *buffer, __u16 length, __u32 crc32)
+static inline __be32 sctp_update_cksum(__u8 *buffer, __u16 length, __be32 crc32)
 {
-	return crc32c(crc32, buffer, length);
+	return sctp_crc32c(crc32, buffer, length);
 }
 
-static inline __u32 sctp_end_cksum(__u32 crc32)
+static inline __be32 sctp_end_cksum(__be32 crc32)
 {
-	return ntohl(~crc32);
+	return ~crc32;
 }
diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h
index 90b1e8d23b1..17b932b8a55 100644
--- a/include/net/sctp/sctp.h
+++ b/include/net/sctp/sctp.h
@@ -179,6 +179,8 @@ int sctp_eps_proc_init(void);
 void sctp_eps_proc_exit(void);
 int sctp_assocs_proc_init(void);
 void sctp_assocs_proc_exit(void);
+int sctp_remaddr_proc_init(void);
+void sctp_remaddr_proc_exit(void);
 
 
 /*
@@ -218,8 +220,6 @@ extern struct kmem_cache *sctp_bucket_cachep __read_mostly;
 #define sctp_release_sock(sk)    release_sock(sk)
 #define sctp_bh_lock_sock(sk)    bh_lock_sock(sk)
 #define sctp_bh_unlock_sock(sk)  bh_unlock_sock(sk)
-#define SCTP_SOCK_SLEEP_PRE(sk)  SOCK_SLEEP_PRE(sk)
-#define SCTP_SOCK_SLEEP_POST(sk) SOCK_SLEEP_POST(sk)
 
 /* SCTP SNMP MIB stats handlers */
 DECLARE_SNMP_STAT(struct sctp_mib, sctp_statistics);
diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
index 7f25195f985..70eb64a7e1a 100644
--- a/include/net/sctp/structs.h
+++ b/include/net/sctp/structs.h
@@ -300,6 +300,7 @@ struct sctp_sock {
 
 	/* The default SACK delay timeout for new associations. */
 	__u32 sackdelay;
+	__u32 sackfreq;
 
 	/* Flags controlling Heartbeat, SACK delay, and Path MTU Discovery. */
 	__u32 param_flags;
@@ -826,7 +827,7 @@ struct sctp_packet *sctp_packet_init(struct sctp_packet *,
 				     __u16 sport, __u16 dport);
 struct sctp_packet *sctp_packet_config(struct sctp_packet *, __u32 vtag, int);
 sctp_xmit_t sctp_packet_transmit_chunk(struct sctp_packet *,
-                                       struct sctp_chunk *);
+                                       struct sctp_chunk *, int);
 sctp_xmit_t sctp_packet_append_chunk(struct sctp_packet *,
                                      struct sctp_chunk *);
 int sctp_packet_transmit(struct sctp_packet *);
@@ -946,6 +947,7 @@ struct sctp_transport {
 
 	/* SACK delay timeout */
 	unsigned long sackdelay;
+	__u32 sackfreq;
 
 	/* When was the last time (in jiffies) that we heard from this
 	 * transport?  We use this to pick new active and retran paths.
@@ -1209,6 +1211,8 @@ int sctp_add_bind_addr(struct sctp_bind_addr *, union sctp_addr *,
 int sctp_del_bind_addr(struct sctp_bind_addr *, union sctp_addr *);
 int sctp_bind_addr_match(struct sctp_bind_addr *, const union sctp_addr *,
 			 struct sctp_sock *);
+int sctp_bind_addr_conflict(struct sctp_bind_addr *, const union sctp_addr *,
+			 struct sctp_sock *, struct sctp_sock *);
 int sctp_bind_addr_state(const struct sctp_bind_addr *bp,
 			 const union sctp_addr *addr);
 union sctp_addr *sctp_find_unmatch_addr(struct sctp_bind_addr	*bp,
@@ -1553,6 +1557,7 @@ struct sctp_association {
 		 *             : SACK's are not delayed (see Section 6).
 		 */
 		__u8    sack_needed;     /* Do we need to sack the peer? */
+		__u32	sack_cnt;
 
 		/* These are capabilities which our peer advertised.  */
 		__u8	ecn_capable;	 /* Can peer do ECN? */
@@ -1662,6 +1667,7 @@ struct sctp_association {
 
 	/* SACK delay timeout */
 	unsigned long sackdelay;
+	__u32 sackfreq;
 
 
 	unsigned long timeouts[SCTP_NUM_TIMEOUT_TYPES];
diff --git a/include/net/sctp/user.h b/include/net/sctp/user.h
index 9619b9d35c9..f205b10f0ab 100644
--- a/include/net/sctp/user.h
+++ b/include/net/sctp/user.h
@@ -93,8 +93,9 @@ enum sctp_optname {
 #define SCTP_STATUS SCTP_STATUS
 	SCTP_GET_PEER_ADDR_INFO,
 #define SCTP_GET_PEER_ADDR_INFO SCTP_GET_PEER_ADDR_INFO
-	SCTP_DELAYED_ACK_TIME,
-#define SCTP_DELAYED_ACK_TIME SCTP_DELAYED_ACK_TIME
+	SCTP_DELAYED_ACK,
+#define SCTP_DELAYED_ACK_TIME SCTP_DELAYED_ACK
+#define SCTP_DELAYED_ACK SCTP_DELAYED_ACK
 	SCTP_CONTEXT,	/* Receive Context */
 #define SCTP_CONTEXT SCTP_CONTEXT
 	SCTP_FRAGMENT_INTERLEAVE,
@@ -136,12 +137,14 @@ enum sctp_optname {
 #define SCTP_GET_LOCAL_ADDRS_NUM_OLD	SCTP_GET_LOCAL_ADDRS_NUM_OLD
 	SCTP_GET_LOCAL_ADDRS_OLD, 	/* Get all local addresss. */
 #define SCTP_GET_LOCAL_ADDRS_OLD	SCTP_GET_LOCAL_ADDRS_OLD
-	SCTP_SOCKOPT_CONNECTX, /* CONNECTX requests. */
-#define SCTP_SOCKOPT_CONNECTX	SCTP_SOCKOPT_CONNECTX
+	SCTP_SOCKOPT_CONNECTX_OLD, /* CONNECTX old requests. */
+#define SCTP_SOCKOPT_CONNECTX_OLD	SCTP_SOCKOPT_CONNECTX_OLD
 	SCTP_GET_PEER_ADDRS, 	/* Get all peer addresss. */
 #define SCTP_GET_PEER_ADDRS	SCTP_GET_PEER_ADDRS
 	SCTP_GET_LOCAL_ADDRS, 	/* Get all local addresss. */
 #define SCTP_GET_LOCAL_ADDRS	SCTP_GET_LOCAL_ADDRS
+	SCTP_SOCKOPT_CONNECTX, /* CONNECTX requests. */
+#define SCTP_SOCKOPT_CONNECTX	SCTP_SOCKOPT_CONNECTX
 };
 
 /*
@@ -618,13 +621,26 @@ struct sctp_authkeyid {
 };
 
 
-/* 7.1.23. Delayed Ack Timer (SCTP_DELAYED_ACK_TIME)
+/*
+ * 7.1.23.  Get or set delayed ack timer (SCTP_DELAYED_SACK)
  *
- *   This options will get or set the delayed ack timer.  The time is set
- *   in milliseconds.  If the assoc_id is 0, then this sets or gets the
- *   endpoints default delayed ack timer value.  If the assoc_id field is
- *   non-zero, then the set or get effects the specified association.
+ * This option will effect the way delayed acks are performed.  This
+ * option allows you to get or set the delayed ack time, in
+ * milliseconds.  It also allows changing the delayed ack frequency.
+ * Changing the frequency to 1 disables the delayed sack algorithm.  If
+ * the assoc_id is 0, then this sets or gets the endpoints default
+ * values.  If the assoc_id field is non-zero, then the set or get
+ * effects the specified association for the one to many model (the
+ * assoc_id field is ignored by the one to one model).  Note that if
+ * sack_delay or sack_freq are 0 when setting this option, then the
+ * current values will remain unchanged.
  */
+struct sctp_sack_info {
+	sctp_assoc_t	sack_assoc_id;
+	uint32_t	sack_delay;
+	uint32_t	sack_freq;
+};
+
 struct sctp_assoc_value {
     sctp_assoc_t            assoc_id;
     uint32_t                assoc_value;