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-rw-r--r--net/sctp/sm_statetable.c233
1 files changed, 93 insertions, 140 deletions
diff --git a/net/sctp/sm_statetable.c b/net/sctp/sm_statetable.c
index 733dd87b3a7..a987d54b379 100644
--- a/net/sctp/sm_statetable.c
+++ b/net/sctp/sm_statetable.c
@@ -1,37 +1,33 @@
-/* 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.
* See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
- * along with GNU CC; see the file COPYING. If not, write to
- * the Free Software Foundation, 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
+ * along with GNU CC; see the file COPYING. If not, see
+ * <http://www.gnu.org/licenses/>.
*
* Please send any bug reports or fixes you make to the
* email address(es):
- * lksctp developers <lksctp-developers@lists.sourceforge.net>
- *
- * Or submit a bug report through the following website:
- * http://www.sf.net/projects/lksctp
+ * lksctp developers <linux-sctp@vger.kernel.org>
*
* Written or modified by:
* La Monte H.P. Yarroll <piggy@acm.org>
@@ -41,11 +37,10 @@
* Daisy Chang <daisyc@us.ibm.com>
* Ardelle Fan <ardelle.fan@intel.com>
* Sridhar Samudrala <sri@us.ibm.com>
- *
- * Any bugs reported given to us we will try to fix... any fixes shared will
- * 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>
@@ -57,7 +52,8 @@ other_event_table[SCTP_NUM_OTHER_TYPES][SCTP_STATE_NUM_STATES];
static const sctp_sm_table_entry_t
timeout_event_table[SCTP_NUM_TIMEOUT_TYPES][SCTP_STATE_NUM_STATES];
-static const sctp_sm_table_entry_t *sctp_chunk_event_lookup(sctp_cid_t cid,
+static const sctp_sm_table_entry_t *sctp_chunk_event_lookup(struct net *net,
+ sctp_cid_t cid,
sctp_state_t state);
@@ -66,51 +62,48 @@ 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];
-
-const sctp_sm_table_entry_t *sctp_sm_lookup_event(sctp_event_t event_type,
+#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(struct net *net,
+ sctp_event_t event_type,
sctp_state_t state,
sctp_subtype_t event_subtype)
{
switch (event_type) {
case SCTP_EVENT_T_CHUNK:
- return sctp_chunk_event_lookup(event_subtype.chunk, state);
- break;
+ return sctp_chunk_event_lookup(net, event_subtype.chunk, state);
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 +121,6 @@ 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 */ \
@@ -149,10 +140,8 @@ 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_discard_chunk), \
+ TYPE_SCTP_FUNC(sctp_sf_do_5_2_3_initack), \
/* SCTP_STATE_COOKIE_WAIT */ \
TYPE_SCTP_FUNC(sctp_sf_do_5_1C_ack), \
/* SCTP_STATE_COOKIE_ECHOED */ \
@@ -170,10 +159,8 @@ 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 +178,8 @@ 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 +198,8 @@ 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 +217,6 @@ 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 +236,8 @@ 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 +245,16 @@ 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 +274,8 @@ 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 +293,6 @@ 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 +312,6 @@ 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 +331,6 @@ 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 +350,6 @@ 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 +369,6 @@ 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 +411,6 @@ 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 +420,16 @@ 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 +439,11 @@ 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 +457,8 @@ 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 +482,36 @@ 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 +530,6 @@ 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 +549,6 @@ 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 +568,6 @@ 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 +587,6 @@ 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 +606,6 @@ 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 +625,6 @@ 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 +634,14 @@ 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 +656,6 @@ 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 +663,7 @@ 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 +675,6 @@ 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 +699,6 @@ 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 +718,6 @@ 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 +737,6 @@ 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 +756,6 @@ 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 +775,6 @@ 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 +794,6 @@ 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 +813,6 @@ 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 */ \
@@ -879,8 +832,6 @@ 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 +851,6 @@ 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 +870,6 @@ 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 */ \
@@ -954,21 +901,22 @@ static const sctp_sm_table_entry_t timeout_event_table[SCTP_NUM_TIMEOUT_TYPES][S
TYPE_SCTP_EVENT_TIMEOUT_AUTOCLOSE,
};
-static const sctp_sm_table_entry_t *sctp_chunk_event_lookup(sctp_cid_t cid,
+static const sctp_sm_table_entry_t *sctp_chunk_event_lookup(struct net *net,
+ sctp_cid_t cid,
sctp_state_t state)
{
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) {
+ if (net->sctp.prsctp_enable) {
if (cid == SCTP_CID_FWD_TSN)
return &prsctp_chunk_event_table[0][state];
}
- if (sctp_addip_enable) {
+ if (net->sctp.addip_enable) {
if (cid == SCTP_CID_ASCONF)
return &addip_chunk_event_table[0][state];
@@ -976,5 +924,10 @@ static const sctp_sm_table_entry_t *sctp_chunk_event_lookup(sctp_cid_t cid,
return &addip_chunk_event_table[1][state];
}
+ if (net->sctp.auth_enable) {
+ if (cid == SCTP_CID_AUTH)
+ return &auth_chunk_event_table[0][state];
+ }
+
return &chunk_event_table_unknown[state];
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-06 11:37:46 +0000