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

into nuts.ninka.net:/home/davem/src/BK/sctp-2.5

2 files changed, 42 insertions, 3 deletions

diff --git a/include/net/sctp/sm.h b/include/net/sctp/sm.h
index 9459322a411b..36ed5af39824 100644
--- a/include/net/sctp/sm.h
+++ b/include/net/sctp/sm.h
@@ -139,6 +139,7 @@ sctp_state_fn_t sctp_sf_do_5_2_1_siminit;
 sctp_state_fn_t sctp_sf_do_5_2_2_dupinit;
 sctp_state_fn_t sctp_sf_do_5_2_4_dupcook;
 sctp_state_fn_t sctp_sf_unk_chunk;
+sctp_state_fn_t sctp_sf_do_8_5_1_E_sa;
 
 /* Prototypes for primitive event state functions.  */
 sctp_state_fn_t sctp_sf_do_prm_asoc;
@@ -329,10 +330,10 @@ __u32 sctp_generate_tag(const sctp_endpoint_t *);
 __u32 sctp_generate_tsn(const sctp_endpoint_t *);
 
 /* 4th level prototypes */
-void sctp_param2sockaddr(sockaddr_storage_t *addr, const sctpParam_t param,
+void sctp_param2sockaddr(sockaddr_storage_t *addr, sctp_addr_param_t *,
 			 __u16 port);
 int sctp_addr2sockaddr(const sctpParam_t, sockaddr_storage_t *);
-int sockaddr2sctp_addr(const sockaddr_storage_t *, sctpParam_t);
+int sockaddr2sctp_addr(const sockaddr_storage_t *, sctp_addr_param_t *);
 
 /* Extern declarations for major data structures.  */
 sctp_sm_table_entry_t *sctp_chunk_event_lookup(sctp_cid_t, sctp_state_t);
@@ -432,4 +433,36 @@ static inline void sctp_add_cmd_sf(sctp_cmd_seq_t *seq, sctp_verb_t verb, sctp_a
 		BUG();
 }
 
+/* Check VTAG of the packet matches the sender's own tag OR its peer's
+ * tag and the T bit is set in the Chunk Flags.
+ */
+static inline int
+sctp_vtag_verify_either(const sctp_chunk_t *chunk,
+			const sctp_association_t *asoc)
+{
+        /* RFC 2960 Section 8.5.1, sctpimpguide-06 Section 2.13.2
+	 *
+	 * B) The receiver of a ABORT shall accept the packet if the
+	 * Verification Tag field of the packet matches its own tag OR it
+	 * is set to its peer's tag and the T bit is set in the Chunk
+	 * Flags. Otherwise, the receiver MUST silently discard the packet
+	 * and take no further action.
+	 *
+	 * (C) The receiver of a SHUTDOWN COMPLETE shall accept the
+	 * packet if the Verification Tag field of the packet
+	 * matches its own tag OR it is set to its peer's tag and
+	 * the T bit is set in the Chunk Flags.  Otherwise, the
+	 * receiver MUST silently discard the packet and take no
+	 * further action....
+	 *
+	 */
+        if ((ntohl(chunk->sctp_hdr->vtag) == asoc->c.my_vtag) ||
+	    (sctp_test_T_bit(chunk) && (ntohl(chunk->sctp_hdr->vtag)
+	    == asoc->c.peer_vtag))) {
+                return 1;
+	}
+
+	return 0;
+}
+
 #endif /* __sctp_sm_h__ */
diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
index d1748a73e6b0..5a8b75d2da26 100644
--- a/include/net/sctp/structs.h
+++ b/include/net/sctp/structs.h
@@ -378,7 +378,7 @@ typedef union {
 typedef union {
 	sctp_ipv4addr_param_t v4;
 	sctp_ipv6addr_param_t v6;
-} sctpIpAddress_t;
+} sctp_addr_param_t;
 
 /* RFC 2960.  Section 3.3.5 Heartbeat.
  *    Heartbeat Information: variable length
@@ -1044,6 +1044,9 @@ sctp_association_t *sctp_endpoint_lookup_assoc(const sctp_endpoint_t *ep,
 sctp_endpoint_t *sctp_endpoint_is_match(sctp_endpoint_t *,
 					const sockaddr_storage_t *);
 
+int sctp_has_association(const sockaddr_storage_t *laddr,
+			 const sockaddr_storage_t *paddr);
+
 int sctp_verify_init(const sctp_association_t *asoc,
 		     sctp_cid_t cid,
 		     sctp_init_chunk_t *peer_init,
@@ -1312,6 +1315,9 @@ struct SCTP_association {
 
 	__u32 ctsn_ack_point;
 
+	/* Highest TSN that is acknowledged by incoming SACKs. */
+	__u32 highest_sacked;
+
 	/* The number of unacknowledged data chunks.  Reported through
 	 * the SCTP_STATUS sockopt.
 	 */