Merge http://linux-lksctp.bkbits.net/lksctp-2.5.work

into nuts.ninka.net:/disk1/davem/BK/net-2.6

6 files changed, 40 insertions, 12 deletions

diff --git a/include/linux/sctp.h b/include/linux/sctp.h
index a022f9f629f6..9ddc3bd5cd81 100644
--- a/include/linux/sctp.h
+++ b/include/linux/sctp.h
@@ -439,12 +439,13 @@ typedef enum {
 	 * 0x0101          Operation Refused Due to Resource Shortage.
 	 * 0x0102          Request to Delete Source IP Address.
 	 * 0x0103          Association Aborted due to illegal ASCONF-ACK
+	 * 0x0104          Request refused - no authorization.
 	 */
 	SCTP_ERROR_DEL_LAST_IP	= __constant_htons(0x0100),
 	SCTP_ERROR_RSRC_LOW	= __constant_htons(0x0101),
 	SCTP_ERROR_DEL_SRC_IP	= __constant_htons(0x0102),
 	SCTP_ERROR_ASCONF_ACK   = __constant_htons(0x0103),
-
+	SCTP_ERROR_REQ_REFUSED	= __constant_htons(0x0104)
 } sctp_error_t;
 
 
diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h
index b8be51acff95..d271fcada7dd 100644
--- a/include/linux/sysctl.h
+++ b/include/linux/sysctl.h
@@ -580,6 +580,7 @@ enum {
 	NET_SCTP_HB_INTERVAL             = 10,
 	NET_SCTP_PRESERVE_ENABLE         = 11,
 	NET_SCTP_MAX_BURST               = 12,
+	NET_SCTP_ADDIP_ENABLE		 = 13,
 };
 
 /* /proc/sys/net/bridge */
diff --git a/include/net/sctp/constants.h b/include/net/sctp/constants.h
index 5e17983fffdc..f031313bb3ef 100644
--- a/include/net/sctp/constants.h
+++ b/include/net/sctp/constants.h
@@ -1,8 +1,8 @@
 /* SCTP kernel reference Implementation
+ * (C) Copyright IBM Corp. 2001, 2003
  * Copyright (c) 1999-2000 Cisco, Inc.
  * Copyright (c) 1999-2001 Motorola, Inc.
  * Copyright (c) 2001 Intel Corp.
- * Copyright (c) 2001-2002 International Business Machines Corp.
  *
  * This file is part of the SCTP kernel reference Implementation
  *
@@ -75,8 +75,6 @@ enum { SCTP_DEFAULT_INSTREAMS = SCTP_MAX_STREAM };
 #define SCTP_NUM_BASE_CHUNK_TYPES	(SCTP_CID_BASE_MAX + 1)
 #define SCTP_NUM_CHUNK_TYPES		(SCTP_NUM_BASE_CHUNKTYPES + 2)
 
-#define SCTP_CID_ADDIP_MIN		SCTP_CID_ASCONF
-#define SCTP_CID_ADDIP_MAX		SCTP_CID_ASCONF_ACK
 #define SCTP_NUM_ADDIP_CHUNK_TYPES	2
 
 /* These are the different flavours of event.  */
diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h
index 7edb15d6561a..3fa80e611ba1 100644
--- a/include/net/sctp/sctp.h
+++ b/include/net/sctp/sctp.h
@@ -115,8 +115,10 @@
 #define SCTP_STATIC static
 #endif
 
-#define MSECS_TO_JIFFIES(msec) (msec * HZ / 1000)
-#define JIFFIES_TO_MSECS(jiff) (jiff * 1000 / HZ)
+#define MSECS_TO_JIFFIES(msec) \
+	(((msec / 1000) * HZ) + ((msec % 1000) * HZ) / 1000)
+#define JIFFIES_TO_MSECS(jiff) \
+	(((jiff / HZ) * 1000) + ((jiff % HZ) * 1000) / HZ)
 
 /*
  * Function declarations.
diff --git a/include/net/sctp/sm.h b/include/net/sctp/sm.h
index 2b62b1afef2a..60dea46dec21 100644
--- a/include/net/sctp/sm.h
+++ b/include/net/sctp/sm.h
@@ -268,15 +268,15 @@ struct sctp_chunk *sctp_make_asconf(struct sctp_association *asoc,
 struct sctp_chunk *sctp_make_asconf_update_ip(struct sctp_association *,
 					      union sctp_addr *,
 					      struct sockaddr *,
-					      int, int);
+					      int, __u16);
 struct sctp_chunk *sctp_make_asconf_set_prim(struct sctp_association *asoc,
 					     union sctp_addr *addr);
-struct sctp_chunk *sctp_make_asconf_ack(struct sctp_association *asoc,
-					int serial, int vparam_len);
-
+struct sctp_chunk *sctp_make_asconf_ack(const struct sctp_association *asoc,
+					__u32 serial, int vparam_len);
 struct sctp_chunk *sctp_process_asconf(struct sctp_association *asoc,
-				       struct sctp_chunk *asconf,
-				       int vparam_len);
+				       struct sctp_chunk *asconf);
+int sctp_process_asconf_ack(struct sctp_association *asoc,
+			    struct sctp_chunk *asconf_ack);
 
 void sctp_chunk_assign_tsn(struct sctp_chunk *);
 void sctp_chunk_assign_ssn(struct sctp_chunk *);
@@ -431,6 +431,21 @@ static inline int SSN_lte(__u16 s, __u16 t)
 	return (((s) == (t)) || (((s) - (t)) & SSN_SIGN_BIT));
 }
 
+/*
+ * ADDIP 3.1.1
+ * The valid range of Serial Number is from 0 to 4294967295 (2**32 - 1). Serial
+ * Numbers wrap back to 0 after reaching 4294967295.
+ */
+enum {
+	ADDIP_SERIAL_SIGN_BIT = (1<<31)
+};
+
+static inline int ADDIP_SERIAL_gte(__u16 s, __u16 t)
+{
+	return (((s) == (t)) || (((t) - (s)) & ADDIP_SERIAL_SIGN_BIT));
+}
+
+
 /* Run sctp_add_cmd() generating a BUG() if there is a failure.  */
 static inline void sctp_add_cmd_sf(sctp_cmd_seq_t *seq, sctp_verb_t verb, sctp_arg_t obj)
 {
diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
index bf2745654d7a..92394f3de76a 100644
--- a/include/net/sctp/structs.h
+++ b/include/net/sctp/structs.h
@@ -190,6 +190,9 @@ extern struct sctp_globals {
 	 */
 	struct list_head local_addr_list;
 	spinlock_t local_addr_lock;
+	
+	/* Flag to indicate if addip is enabled. */
+	int addip_enable;
 } sctp_globals;
 
 #define sctp_rto_initial		(sctp_globals.rto_initial)
@@ -217,6 +220,7 @@ extern struct sctp_globals {
 #define sctp_port_hashtable		(sctp_globals.port_hashtable)
 #define sctp_local_addr_list		(sctp_globals.local_addr_list)
 #define sctp_local_addr_lock		(sctp_globals.local_addr_lock)
+#define sctp_addip_enable		(sctp_globals.addip_enable)
 
 /* SCTP Socket type: UDP or TCP style. */
 typedef enum {
@@ -1397,6 +1401,11 @@ struct sctp_association {
 		/* Does peer support ADDIP? */
 		__u8    asconf_capable;
 
+		/* This mask is used to disable sending the ASCONF chunk
+		 * with specified parameter to peer.
+		 */
+		__u16 addip_disabled_mask;
+
 		struct sctp_inithdr i;
 		int cookie_len;
 		void *cookie;
@@ -1708,6 +1717,8 @@ int sctp_assoc_lookup_laddr(struct sctp_association *asoc,
 struct sctp_transport *sctp_assoc_add_peer(struct sctp_association *,
 				     const union sctp_addr *address,
 				     const int gfp);
+void sctp_assoc_del_peer(struct sctp_association *asoc,
+			 const union sctp_addr *addr);
 void sctp_assoc_control_transport(struct sctp_association *,
 				  struct sctp_transport *,
 				  sctp_transport_cmd_t, sctp_sn_error_t);