sctp: Add Auto-ASCONF support (core).
[linux-2.6.git] / net / sctp / sm_statetable.c
index 5e54b17..0338dc6 100644 (file)
@@ -1,21 +1,21 @@
-/* SCTP kernel reference Implementation
+/* SCTP kernel implementation
  * (C) Copyright IBM Corp. 2001, 2004
  * Copyright (c) 1999-2000 Cisco, Inc.
  * Copyright (c) 1999-2001 Motorola, Inc.
  * Copyright (c) 2001 Intel Corp.
  * Copyright (c) 2001 Nokia, Inc.
  *
- * This file is part of the SCTP kernel reference Implementation
+ * This file is part of the SCTP kernel implementation
  *
  * These are the state tables for the SCTP state machine.
  *
- * The SCTP reference implementation is free software;
+ * This SCTP implementation is free software;
  * you can redistribute it and/or modify it under the terms of
  * the GNU General Public License as published by
  * the Free Software Foundation; either version 2, or (at your option)
  * any later version.
  *
- * The SCTP reference implementation is distributed in the hope that it
+ * This SCTP implementation is distributed in the hope that it
  * will be useful, but WITHOUT ANY WARRANTY; without even the implied
  *                 ************************
  * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
@@ -46,6 +46,8 @@
  * be incorporated into the next SCTP release.
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/skbuff.h>
 #include <net/sctp/sctp.h>
 #include <net/sctp/sm.h>
@@ -66,15 +68,19 @@ static const sctp_sm_table_entry_t bug = {
        .name = "sctp_sf_bug"
 };
 
-#define DO_LOOKUP(_max, _type, _table) \
-       if ((event_subtype._type > (_max))) { \
-               printk(KERN_WARNING \
-                      "sctp table %p possible attack:" \
-                      " event %d exceeds max %d\n", \
-                      _table, event_subtype._type, _max); \
-               return &bug; \
-       } \
-       return &_table[event_subtype._type][(int)state];
+#define DO_LOOKUP(_max, _type, _table)                                 \
+({                                                                     \
+       const sctp_sm_table_entry_t *rtn;                               \
+                                                                       \
+       if ((event_subtype._type > (_max))) {                           \
+               pr_warn("table %p possible attack: event %d exceeds max %d\n", \
+                       _table, event_subtype._type, _max);             \
+               rtn = &bug;                                             \
+       } else                                                          \
+               rtn = &_table[event_subtype._type][(int)state];         \
+                                                                       \
+       rtn;                                                            \
+})
 
 const sctp_sm_table_entry_t *sctp_sm_lookup_event(sctp_event_t event_type,
                                                  sctp_state_t state,
@@ -83,34 +89,26 @@ const sctp_sm_table_entry_t *sctp_sm_lookup_event(sctp_event_t event_type,
        switch (event_type) {
        case SCTP_EVENT_T_CHUNK:
                return sctp_chunk_event_lookup(event_subtype.chunk, state);
-               break;
        case SCTP_EVENT_T_TIMEOUT:
-               DO_LOOKUP(SCTP_EVENT_TIMEOUT_MAX, timeout,
-                         timeout_event_table);
-               break;
-
+               return DO_LOOKUP(SCTP_EVENT_TIMEOUT_MAX, timeout,
+                                timeout_event_table);
        case SCTP_EVENT_T_OTHER:
-               DO_LOOKUP(SCTP_EVENT_OTHER_MAX, other, other_event_table);
-               break;
-
+               return DO_LOOKUP(SCTP_EVENT_OTHER_MAX, other,
+                                other_event_table);
        case SCTP_EVENT_T_PRIMITIVE:
-               DO_LOOKUP(SCTP_EVENT_PRIMITIVE_MAX, primitive,
-                         primitive_event_table);
-               break;
-
+               return DO_LOOKUP(SCTP_EVENT_PRIMITIVE_MAX, primitive,
+                                primitive_event_table);
        default:
                /* Yikes!  We got an illegal event type.  */
                return &bug;
-       };
+       }
 }
 
 #define TYPE_SCTP_FUNC(func) {.fn = func, .name = #func}
 
 #define TYPE_SCTP_DATA { \
-       /* SCTP_STATE_EMPTY */ \
-       TYPE_SCTP_FUNC(sctp_sf_ootb), \
        /* SCTP_STATE_CLOSED */ \
-       TYPE_SCTP_FUNC(sctp_sf_tabort_8_4_8), \
+       TYPE_SCTP_FUNC(sctp_sf_ootb), \
        /* SCTP_STATE_COOKIE_WAIT */ \
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
        /* SCTP_STATE_COOKIE_ECHOED */ \
@@ -128,8 +126,6 @@ const sctp_sm_table_entry_t *sctp_sm_lookup_event(sctp_event_t event_type,
 } /* TYPE_SCTP_DATA */
 
 #define TYPE_SCTP_INIT { \
-       /* SCTP_STATE_EMPTY */ \
-       TYPE_SCTP_FUNC(sctp_sf_bug), \
        /* SCTP_STATE_CLOSED */ \
        TYPE_SCTP_FUNC(sctp_sf_do_5_1B_init), \
        /* SCTP_STATE_COOKIE_WAIT */ \
@@ -149,8 +145,6 @@ const sctp_sm_table_entry_t *sctp_sm_lookup_event(sctp_event_t event_type,
 } /* TYPE_SCTP_INIT */
 
 #define TYPE_SCTP_INIT_ACK { \
-       /* SCTP_STATE_EMPTY */ \
-       TYPE_SCTP_FUNC(sctp_sf_ootb), \
        /* SCTP_STATE_CLOSED */ \
        TYPE_SCTP_FUNC(sctp_sf_do_5_2_3_initack), \
        /* SCTP_STATE_COOKIE_WAIT */ \
@@ -170,10 +164,8 @@ const sctp_sm_table_entry_t *sctp_sm_lookup_event(sctp_event_t event_type,
 } /* TYPE_SCTP_INIT_ACK */
 
 #define TYPE_SCTP_SACK { \
-       /*  SCTP_STATE_EMPTY */ \
-       TYPE_SCTP_FUNC(sctp_sf_ootb), \
        /* SCTP_STATE_CLOSED */ \
-       TYPE_SCTP_FUNC(sctp_sf_tabort_8_4_8), \
+       TYPE_SCTP_FUNC(sctp_sf_ootb), \
        /* SCTP_STATE_COOKIE_WAIT */ \
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
        /* SCTP_STATE_COOKIE_ECHOED */ \
@@ -191,10 +183,8 @@ const sctp_sm_table_entry_t *sctp_sm_lookup_event(sctp_event_t event_type,
 } /* TYPE_SCTP_SACK */
 
 #define TYPE_SCTP_HEARTBEAT { \
-       /*  SCTP_STATE_EMPTY */ \
-       TYPE_SCTP_FUNC(sctp_sf_ootb), \
        /* SCTP_STATE_CLOSED */ \
-       TYPE_SCTP_FUNC(sctp_sf_tabort_8_4_8), \
+       TYPE_SCTP_FUNC(sctp_sf_ootb), \
        /* SCTP_STATE_COOKIE_WAIT */ \
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
        /* SCTP_STATE_COOKIE_ECHOED */ \
@@ -213,10 +203,8 @@ const sctp_sm_table_entry_t *sctp_sm_lookup_event(sctp_event_t event_type,
 } /* TYPE_SCTP_HEARTBEAT */
 
 #define TYPE_SCTP_HEARTBEAT_ACK { \
-       /*  SCTP_STATE_EMPTY */ \
-       TYPE_SCTP_FUNC(sctp_sf_ootb), \
        /* SCTP_STATE_CLOSED */ \
-       TYPE_SCTP_FUNC(sctp_sf_tabort_8_4_8), \
+       TYPE_SCTP_FUNC(sctp_sf_ootb), \
        /* SCTP_STATE_COOKIE_WAIT */ \
        TYPE_SCTP_FUNC(sctp_sf_violation), \
        /* SCTP_STATE_COOKIE_ECHOED */ \
@@ -234,8 +222,6 @@ const sctp_sm_table_entry_t *sctp_sm_lookup_event(sctp_event_t event_type,
 } /* TYPE_SCTP_HEARTBEAT_ACK */
 
 #define TYPE_SCTP_ABORT { \
-       /* SCTP_STATE_EMPTY */ \
-       TYPE_SCTP_FUNC(sctp_sf_ootb), \
        /* SCTP_STATE_CLOSED */ \
        TYPE_SCTP_FUNC(sctp_sf_pdiscard), \
        /* SCTP_STATE_COOKIE_WAIT */ \
@@ -255,10 +241,8 @@ const sctp_sm_table_entry_t *sctp_sm_lookup_event(sctp_event_t event_type,
 } /* TYPE_SCTP_ABORT */
 
 #define TYPE_SCTP_SHUTDOWN { \
-       /* SCTP_STATE_EMPTY */ \
-       TYPE_SCTP_FUNC(sctp_sf_ootb), \
        /* SCTP_STATE_CLOSED */ \
-       TYPE_SCTP_FUNC(sctp_sf_tabort_8_4_8), \
+       TYPE_SCTP_FUNC(sctp_sf_ootb), \
        /* SCTP_STATE_COOKIE_WAIT */ \
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
        /* SCTP_STATE_COOKIE_ECHOED */ \
@@ -266,18 +250,16 @@ const sctp_sm_table_entry_t *sctp_sm_lookup_event(sctp_event_t event_type,
        /* SCTP_STATE_ESTABLISHED */ \
        TYPE_SCTP_FUNC(sctp_sf_do_9_2_shutdown), \
        /* SCTP_STATE_SHUTDOWN_PENDING */ \
-       TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
+       TYPE_SCTP_FUNC(sctp_sf_do_9_2_shutdown), \
        /* SCTP_STATE_SHUTDOWN_SENT */ \
        TYPE_SCTP_FUNC(sctp_sf_do_9_2_shutdown_ack), \
        /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
-       TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
+       TYPE_SCTP_FUNC(sctp_sf_do_9_2_shut_ctsn), \
        /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
 } /* TYPE_SCTP_SHUTDOWN */
 
 #define TYPE_SCTP_SHUTDOWN_ACK { \
-       /* SCTP_STATE_EMPTY */ \
-       TYPE_SCTP_FUNC(sctp_sf_ootb), \
        /* SCTP_STATE_CLOSED */ \
        TYPE_SCTP_FUNC(sctp_sf_ootb), \
        /* SCTP_STATE_COOKIE_WAIT */ \
@@ -297,10 +279,8 @@ const sctp_sm_table_entry_t *sctp_sm_lookup_event(sctp_event_t event_type,
 } /* TYPE_SCTP_SHUTDOWN_ACK */
 
 #define TYPE_SCTP_ERROR { \
-       /* SCTP_STATE_EMPTY */ \
-       TYPE_SCTP_FUNC(sctp_sf_ootb), \
        /* SCTP_STATE_CLOSED */ \
-       TYPE_SCTP_FUNC(sctp_sf_tabort_8_4_8), \
+       TYPE_SCTP_FUNC(sctp_sf_ootb), \
        /* SCTP_STATE_COOKIE_WAIT */ \
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
        /* SCTP_STATE_COOKIE_ECHOED */ \
@@ -318,8 +298,6 @@ const sctp_sm_table_entry_t *sctp_sm_lookup_event(sctp_event_t event_type,
 } /* TYPE_SCTP_ERROR */
 
 #define TYPE_SCTP_COOKIE_ECHO { \
-       /* SCTP_STATE_EMPTY */ \
-       TYPE_SCTP_FUNC(sctp_sf_bug), \
        /* SCTP_STATE_CLOSED */ \
        TYPE_SCTP_FUNC(sctp_sf_do_5_1D_ce), \
        /* SCTP_STATE_COOKIE_WAIT */ \
@@ -339,8 +317,6 @@ const sctp_sm_table_entry_t *sctp_sm_lookup_event(sctp_event_t event_type,
 } /* TYPE_SCTP_COOKIE_ECHO */
 
 #define TYPE_SCTP_COOKIE_ACK { \
-       /* SCTP_STATE_EMPTY */ \
-       TYPE_SCTP_FUNC(sctp_sf_ootb), \
        /* SCTP_STATE_CLOSED */ \
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
        /* SCTP_STATE_COOKIE_WAIT */ \
@@ -360,8 +336,6 @@ const sctp_sm_table_entry_t *sctp_sm_lookup_event(sctp_event_t event_type,
 } /* TYPE_SCTP_COOKIE_ACK */
 
 #define TYPE_SCTP_ECN_ECNE { \
-       /* SCTP_STATE_EMPTY */ \
-       TYPE_SCTP_FUNC(sctp_sf_ootb), \
        /* SCTP_STATE_CLOSED */ \
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
        /* SCTP_STATE_COOKIE_WAIT */ \
@@ -381,8 +355,6 @@ const sctp_sm_table_entry_t *sctp_sm_lookup_event(sctp_event_t event_type,
 } /* TYPE_SCTP_ECN_ECNE */
 
 #define TYPE_SCTP_ECN_CWR { \
-       /* SCTP_STATE_EMPTY */ \
-       TYPE_SCTP_FUNC(sctp_sf_ootb), \
        /* SCTP_STATE_CLOSED */ \
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
        /* SCTP_STATE_COOKIE_WAIT */ \
@@ -402,8 +374,6 @@ const sctp_sm_table_entry_t *sctp_sm_lookup_event(sctp_event_t event_type,
 } /* TYPE_SCTP_ECN_CWR */
 
 #define TYPE_SCTP_SHUTDOWN_COMPLETE { \
-       /* SCTP_STATE_EMPTY */ \
-       TYPE_SCTP_FUNC(sctp_sf_ootb), \
        /* SCTP_STATE_CLOSED */ \
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
        /* SCTP_STATE_COOKIE_WAIT */ \
@@ -446,8 +416,6 @@ static const sctp_sm_table_entry_t chunk_event_table[SCTP_NUM_BASE_CHUNK_TYPES][
 }; /* state_fn_t chunk_event_table[][] */
 
 #define TYPE_SCTP_ASCONF { \
-       /* SCTP_STATE_EMPTY */ \
-       TYPE_SCTP_FUNC(sctp_sf_ootb), \
        /* SCTP_STATE_CLOSED */ \
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
        /* SCTP_STATE_COOKIE_WAIT */ \
@@ -457,18 +425,16 @@ static const sctp_sm_table_entry_t chunk_event_table[SCTP_NUM_BASE_CHUNK_TYPES][
        /* SCTP_STATE_ESTABLISHED */ \
        TYPE_SCTP_FUNC(sctp_sf_do_asconf), \
        /* SCTP_STATE_SHUTDOWN_PENDING */ \
-       TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
+       TYPE_SCTP_FUNC(sctp_sf_do_asconf), \
        /* SCTP_STATE_SHUTDOWN_SENT */ \
-       TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
+       TYPE_SCTP_FUNC(sctp_sf_do_asconf), \
        /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
-       TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
+       TYPE_SCTP_FUNC(sctp_sf_do_asconf), \
        /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
 } /* TYPE_SCTP_ASCONF */
 
 #define TYPE_SCTP_ASCONF_ACK { \
-       /* SCTP_STATE_EMPTY */ \
-       TYPE_SCTP_FUNC(sctp_sf_ootb), \
        /* SCTP_STATE_CLOSED */ \
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
        /* SCTP_STATE_COOKIE_WAIT */ \
@@ -478,11 +444,11 @@ static const sctp_sm_table_entry_t chunk_event_table[SCTP_NUM_BASE_CHUNK_TYPES][
        /* SCTP_STATE_ESTABLISHED */ \
        TYPE_SCTP_FUNC(sctp_sf_do_asconf_ack), \
        /* SCTP_STATE_SHUTDOWN_PENDING */ \
-       TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
+       TYPE_SCTP_FUNC(sctp_sf_do_asconf_ack), \
        /* SCTP_STATE_SHUTDOWN_SENT */ \
-       TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
+       TYPE_SCTP_FUNC(sctp_sf_do_asconf_ack), \
        /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
-       TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
+       TYPE_SCTP_FUNC(sctp_sf_do_asconf_ack), \
        /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
 } /* TYPE_SCTP_ASCONF_ACK */
@@ -496,10 +462,8 @@ static const sctp_sm_table_entry_t addip_chunk_event_table[SCTP_NUM_ADDIP_CHUNK_
 }; /*state_fn_t addip_chunk_event_table[][] */
 
 #define TYPE_SCTP_FWD_TSN { \
-       /* SCTP_STATE_EMPTY */ \
-       TYPE_SCTP_FUNC(sctp_sf_ootb), \
        /* SCTP_STATE_CLOSED */ \
-       TYPE_SCTP_FUNC(sctp_sf_tabort_8_4_8), \
+       TYPE_SCTP_FUNC(sctp_sf_ootb), \
        /* SCTP_STATE_COOKIE_WAIT */ \
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
        /* SCTP_STATE_COOKIE_ECHOED */ \
@@ -523,12 +487,36 @@ static const sctp_sm_table_entry_t prsctp_chunk_event_table[SCTP_NUM_PRSCTP_CHUN
        TYPE_SCTP_FWD_TSN,
 }; /*state_fn_t prsctp_chunk_event_table[][] */
 
+#define TYPE_SCTP_AUTH { \
+       /* SCTP_STATE_CLOSED */ \
+       TYPE_SCTP_FUNC(sctp_sf_ootb), \
+       /* SCTP_STATE_COOKIE_WAIT */ \
+       TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
+       /* SCTP_STATE_COOKIE_ECHOED */ \
+       TYPE_SCTP_FUNC(sctp_sf_eat_auth), \
+       /* SCTP_STATE_ESTABLISHED */ \
+       TYPE_SCTP_FUNC(sctp_sf_eat_auth), \
+       /* SCTP_STATE_SHUTDOWN_PENDING */ \
+       TYPE_SCTP_FUNC(sctp_sf_eat_auth), \
+       /* SCTP_STATE_SHUTDOWN_SENT */ \
+       TYPE_SCTP_FUNC(sctp_sf_eat_auth), \
+       /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
+       TYPE_SCTP_FUNC(sctp_sf_eat_auth), \
+       /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
+       TYPE_SCTP_FUNC(sctp_sf_eat_auth), \
+} /* TYPE_SCTP_AUTH */
+
+/* The primary index for this table is the chunk type.
+ * The secondary index for this table is the state.
+ */
+static const sctp_sm_table_entry_t auth_chunk_event_table[SCTP_NUM_AUTH_CHUNK_TYPES][SCTP_STATE_NUM_STATES] = {
+       TYPE_SCTP_AUTH,
+}; /*state_fn_t auth_chunk_event_table[][] */
+
 static const sctp_sm_table_entry_t
 chunk_event_table_unknown[SCTP_STATE_NUM_STATES] = {
-       /* SCTP_STATE_EMPTY */
-       TYPE_SCTP_FUNC(sctp_sf_ootb),
        /* SCTP_STATE_CLOSED */
-       TYPE_SCTP_FUNC(sctp_sf_tabort_8_4_8),
+       TYPE_SCTP_FUNC(sctp_sf_ootb),
        /* SCTP_STATE_COOKIE_WAIT */
        TYPE_SCTP_FUNC(sctp_sf_unk_chunk),
        /* SCTP_STATE_COOKIE_ECHOED */
@@ -547,8 +535,6 @@ chunk_event_table_unknown[SCTP_STATE_NUM_STATES] = {
 
 
 #define TYPE_SCTP_PRIMITIVE_ASSOCIATE  { \
-       /* SCTP_STATE_EMPTY */ \
-       TYPE_SCTP_FUNC(sctp_sf_bug), \
        /* SCTP_STATE_CLOSED */ \
        TYPE_SCTP_FUNC(sctp_sf_do_prm_asoc), \
        /* SCTP_STATE_COOKIE_WAIT */ \
@@ -568,8 +554,6 @@ chunk_event_table_unknown[SCTP_STATE_NUM_STATES] = {
 } /* TYPE_SCTP_PRIMITIVE_ASSOCIATE */
 
 #define TYPE_SCTP_PRIMITIVE_SHUTDOWN  { \
-       /* SCTP_STATE_EMPTY */ \
-       TYPE_SCTP_FUNC(sctp_sf_bug), \
        /* SCTP_STATE_CLOSED */ \
        TYPE_SCTP_FUNC(sctp_sf_error_closed), \
        /* SCTP_STATE_COOKIE_WAIT */ \
@@ -589,8 +573,6 @@ chunk_event_table_unknown[SCTP_STATE_NUM_STATES] = {
 } /* TYPE_SCTP_PRIMITIVE_SHUTDOWN */
 
 #define TYPE_SCTP_PRIMITIVE_ABORT  { \
-       /* SCTP_STATE_EMPTY */ \
-       TYPE_SCTP_FUNC(sctp_sf_bug), \
        /* SCTP_STATE_CLOSED */ \
        TYPE_SCTP_FUNC(sctp_sf_error_closed), \
        /* SCTP_STATE_COOKIE_WAIT */ \
@@ -610,8 +592,6 @@ chunk_event_table_unknown[SCTP_STATE_NUM_STATES] = {
 } /* TYPE_SCTP_PRIMITIVE_ABORT */
 
 #define TYPE_SCTP_PRIMITIVE_SEND  { \
-       /* SCTP_STATE_EMPTY */ \
-       TYPE_SCTP_FUNC(sctp_sf_bug), \
        /* SCTP_STATE_CLOSED */ \
        TYPE_SCTP_FUNC(sctp_sf_error_closed), \
        /* SCTP_STATE_COOKIE_WAIT */ \
@@ -631,8 +611,6 @@ chunk_event_table_unknown[SCTP_STATE_NUM_STATES] = {
 } /* TYPE_SCTP_PRIMITIVE_SEND */
 
 #define TYPE_SCTP_PRIMITIVE_REQUESTHEARTBEAT  { \
-       /* SCTP_STATE_EMPTY */ \
-       TYPE_SCTP_FUNC(sctp_sf_bug), \
        /* SCTP_STATE_CLOSED */ \
        TYPE_SCTP_FUNC(sctp_sf_error_closed), \
        /* SCTP_STATE_COOKIE_WAIT */ \
@@ -652,8 +630,6 @@ chunk_event_table_unknown[SCTP_STATE_NUM_STATES] = {
 } /* TYPE_SCTP_PRIMITIVE_REQUESTHEARTBEAT */
 
 #define TYPE_SCTP_PRIMITIVE_ASCONF { \
-       /* SCTP_STATE_EMPTY */ \
-       TYPE_SCTP_FUNC(sctp_sf_bug), \
        /* SCTP_STATE_CLOSED */ \
        TYPE_SCTP_FUNC(sctp_sf_error_closed), \
        /* SCTP_STATE_COOKIE_WAIT */ \
@@ -663,14 +639,14 @@ chunk_event_table_unknown[SCTP_STATE_NUM_STATES] = {
        /* SCTP_STATE_ESTABLISHED */ \
        TYPE_SCTP_FUNC(sctp_sf_do_prm_asconf), \
        /* SCTP_STATE_SHUTDOWN_PENDING */ \
-       TYPE_SCTP_FUNC(sctp_sf_error_shutdown), \
+       TYPE_SCTP_FUNC(sctp_sf_do_prm_asconf), \
        /* SCTP_STATE_SHUTDOWN_SENT */ \
-       TYPE_SCTP_FUNC(sctp_sf_error_shutdown), \
+       TYPE_SCTP_FUNC(sctp_sf_do_prm_asconf), \
        /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
-       TYPE_SCTP_FUNC(sctp_sf_error_shutdown), \
+       TYPE_SCTP_FUNC(sctp_sf_do_prm_asconf), \
        /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
        TYPE_SCTP_FUNC(sctp_sf_error_shutdown), \
-} /* TYPE_SCTP_PRIMITIVE_REQUESTHEARTBEAT */
+} /* TYPE_SCTP_PRIMITIVE_ASCONF */
 
 /* The primary index for this table is the primitive type.
  * The secondary index for this table is the state.
@@ -685,8 +661,6 @@ static const sctp_sm_table_entry_t primitive_event_table[SCTP_NUM_PRIMITIVE_TYPE
 };
 
 #define TYPE_SCTP_OTHER_NO_PENDING_TSN  { \
-       /* SCTP_STATE_EMPTY */ \
-       TYPE_SCTP_FUNC(sctp_sf_bug), \
        /* SCTP_STATE_CLOSED */ \
        TYPE_SCTP_FUNC(sctp_sf_ignore_other), \
        /* SCTP_STATE_COOKIE_WAIT */ \
@@ -694,7 +668,7 @@ static const sctp_sm_table_entry_t primitive_event_table[SCTP_NUM_PRIMITIVE_TYPE
        /* SCTP_STATE_COOKIE_ECHOED */ \
        TYPE_SCTP_FUNC(sctp_sf_ignore_other), \
        /* SCTP_STATE_ESTABLISHED */ \
-       TYPE_SCTP_FUNC(sctp_sf_ignore_other), \
+       TYPE_SCTP_FUNC(sctp_sf_do_no_pending_tsn), \
        /* SCTP_STATE_SHUTDOWN_PENDING */ \
        TYPE_SCTP_FUNC(sctp_sf_do_9_2_start_shutdown), \
        /* SCTP_STATE_SHUTDOWN_SENT */ \
@@ -706,8 +680,6 @@ static const sctp_sm_table_entry_t primitive_event_table[SCTP_NUM_PRIMITIVE_TYPE
 }
 
 #define TYPE_SCTP_OTHER_ICMP_PROTO_UNREACH  { \
-       /* SCTP_STATE_EMPTY */ \
-       TYPE_SCTP_FUNC(sctp_sf_bug), \
        /* SCTP_STATE_CLOSED */ \
        TYPE_SCTP_FUNC(sctp_sf_ignore_other), \
        /* SCTP_STATE_COOKIE_WAIT */ \
@@ -732,8 +704,6 @@ static const sctp_sm_table_entry_t other_event_table[SCTP_NUM_OTHER_TYPES][SCTP_
 };
 
 #define TYPE_SCTP_EVENT_TIMEOUT_NONE { \
-       /* SCTP_STATE_EMPTY */ \
-       TYPE_SCTP_FUNC(sctp_sf_bug), \
        /* SCTP_STATE_CLOSED */ \
        TYPE_SCTP_FUNC(sctp_sf_bug), \
        /* SCTP_STATE_COOKIE_WAIT */ \
@@ -753,8 +723,6 @@ static const sctp_sm_table_entry_t other_event_table[SCTP_NUM_OTHER_TYPES][SCTP_
 }
 
 #define TYPE_SCTP_EVENT_TIMEOUT_T1_COOKIE { \
-       /* SCTP_STATE_EMPTY */ \
-       TYPE_SCTP_FUNC(sctp_sf_bug), \
        /* SCTP_STATE_CLOSED */ \
        TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
        /* SCTP_STATE_COOKIE_WAIT */ \
@@ -774,8 +742,6 @@ static const sctp_sm_table_entry_t other_event_table[SCTP_NUM_OTHER_TYPES][SCTP_
 }
 
 #define TYPE_SCTP_EVENT_TIMEOUT_T1_INIT { \
-       /* SCTP_STATE_EMPTY */ \
-       TYPE_SCTP_FUNC(sctp_sf_bug), \
        /* SCTP_STATE_CLOSED */ \
        TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
        /* SCTP_STATE_COOKIE_WAIT */ \
@@ -795,8 +761,6 @@ static const sctp_sm_table_entry_t other_event_table[SCTP_NUM_OTHER_TYPES][SCTP_
 }
 
 #define TYPE_SCTP_EVENT_TIMEOUT_T2_SHUTDOWN { \
-       /* SCTP_STATE_EMPTY */ \
-       TYPE_SCTP_FUNC(sctp_sf_bug), \
        /* SCTP_STATE_CLOSED */ \
        TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
        /* SCTP_STATE_COOKIE_WAIT */ \
@@ -816,8 +780,6 @@ static const sctp_sm_table_entry_t other_event_table[SCTP_NUM_OTHER_TYPES][SCTP_
 }
 
 #define TYPE_SCTP_EVENT_TIMEOUT_T3_RTX { \
-       /* SCTP_STATE_EMPTY */ \
-       TYPE_SCTP_FUNC(sctp_sf_bug), \
        /* SCTP_STATE_CLOSED */ \
        TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
        /* SCTP_STATE_COOKIE_WAIT */ \
@@ -837,8 +799,6 @@ static const sctp_sm_table_entry_t other_event_table[SCTP_NUM_OTHER_TYPES][SCTP_
 }
 
 #define TYPE_SCTP_EVENT_TIMEOUT_T4_RTO { \
-       /* SCTP_STATE_EMPTY */ \
-       TYPE_SCTP_FUNC(sctp_sf_bug), \
        /* SCTP_STATE_CLOSED */ \
        TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
        /* SCTP_STATE_COOKIE_WAIT */ \
@@ -858,8 +818,6 @@ static const sctp_sm_table_entry_t other_event_table[SCTP_NUM_OTHER_TYPES][SCTP_
 }
 
 #define TYPE_SCTP_EVENT_TIMEOUT_T5_SHUTDOWN_GUARD { \
-       /* SCTP_STATE_EMPTY */ \
-       TYPE_SCTP_FUNC(sctp_sf_bug), \
        /* SCTP_STATE_CLOSED */ \
        TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
        /* SCTP_STATE_COOKIE_WAIT */ \
@@ -869,7 +827,7 @@ static const sctp_sm_table_entry_t other_event_table[SCTP_NUM_OTHER_TYPES][SCTP_
        /* SCTP_STATE_ESTABLISHED */ \
        TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
        /* SCTP_STATE_SHUTDOWN_PENDING */ \
-       TYPE_SCTP_FUNC(sctp_sf_t5_timer_expire), \
+       TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
        /* SCTP_STATE_SHUTDOWN_SENT */ \
        TYPE_SCTP_FUNC(sctp_sf_t5_timer_expire), \
        /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
@@ -879,8 +837,6 @@ static const sctp_sm_table_entry_t other_event_table[SCTP_NUM_OTHER_TYPES][SCTP_
 }
 
 #define TYPE_SCTP_EVENT_TIMEOUT_HEARTBEAT { \
-       /* SCTP_STATE_EMPTY */ \
-       TYPE_SCTP_FUNC(sctp_sf_bug), \
        /* SCTP_STATE_CLOSED */ \
        TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
        /* SCTP_STATE_COOKIE_WAIT */ \
@@ -900,8 +856,6 @@ static const sctp_sm_table_entry_t other_event_table[SCTP_NUM_OTHER_TYPES][SCTP_
 }
 
 #define TYPE_SCTP_EVENT_TIMEOUT_SACK { \
-       /* SCTP_STATE_EMPTY */ \
-       TYPE_SCTP_FUNC(sctp_sf_bug), \
        /* SCTP_STATE_CLOSED */ \
        TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
        /* SCTP_STATE_COOKIE_WAIT */ \
@@ -921,8 +875,6 @@ static const sctp_sm_table_entry_t other_event_table[SCTP_NUM_OTHER_TYPES][SCTP_
 }
 
 #define TYPE_SCTP_EVENT_TIMEOUT_AUTOCLOSE { \
-       /* SCTP_STATE_EMPTY */ \
-       TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
        /* SCTP_STATE_CLOSED */ \
        TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
        /* SCTP_STATE_COOKIE_WAIT */ \
@@ -960,7 +912,7 @@ static const sctp_sm_table_entry_t *sctp_chunk_event_lookup(sctp_cid_t cid,
        if (state > SCTP_STATE_MAX)
                return &bug;
 
-       if (cid >= 0 && cid <= SCTP_CID_BASE_MAX)
+       if (cid <= SCTP_CID_BASE_MAX)
                return &chunk_event_table[cid][state];
 
        if (sctp_prsctp_enable) {
@@ -976,5 +928,10 @@ static const sctp_sm_table_entry_t *sctp_chunk_event_lookup(sctp_cid_t cid,
                        return &addip_chunk_event_table[1][state];
        }
 
+       if (sctp_auth_enable) {
+               if (cid == SCTP_CID_AUTH)
+                       return &auth_chunk_event_table[0][state];
+       }
+
        return &chunk_event_table_unknown[state];
 }