1 files changed, 183 insertions, 0 deletions
diff --git a/net/llc/llc_s_st.c b/net/llc/llc_s_st.c
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+++ b/net/llc/llc_s_st.c
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+/*
+ * llc_s_st.c - Defines SAP component state machine transitions.
+ *
+ * The followed transitions are SAP component state machine transitions
+ * which are described in 802.2 LLC protocol standard document.
+ *
+ * Copyright (c) 1997 by Procom Technology, Inc.
+ *		 2001-2003 by Arnaldo Carvalho de Melo <acme@conectiva.com.br>
+ *
+ * This program can be redistributed or modified under the terms of the
+ * GNU General Public License as published by the Free Software Foundation.
+ * This program is distributed without any warranty or implied warranty
+ * of merchantability or fitness for a particular purpose.
+ *
+ * See the GNU General Public License for more details.
+ */
+#include <linux/types.h>
+#include <net/llc_if.h>
+#include <net/llc_s_ev.h>
+#include <net/llc_s_ac.h>
+#include <net/llc_s_st.h>
+
+/* dummy last-transition indicator; common to all state transition groups
+ * last entry for this state
+ * all members are zeros, .bss zeroes it
+ */
+static struct llc_sap_state_trans llc_sap_state_trans_end;
+
+/* state LLC_SAP_STATE_INACTIVE transition for
+ * LLC_SAP_EV_ACTIVATION_REQ event
+ */
+static llc_sap_action_t llc_sap_inactive_state_actions_1[] = {
+	[0] = llc_sap_action_report_status,
+	[1] = NULL,
+};
+
+static struct llc_sap_state_trans llc_sap_inactive_state_trans_1 = {
+	.ev =		llc_sap_ev_activation_req,
+	.next_state =	LLC_SAP_STATE_ACTIVE,
+	.ev_actions =	llc_sap_inactive_state_actions_1,
+};
+
+/* array of pointers; one to each transition */
+static struct llc_sap_state_trans *llc_sap_inactive_state_transitions[] = {
+	[0] = &llc_sap_inactive_state_trans_1,
+	[1] = &llc_sap_state_trans_end,
+};
+
+/* state LLC_SAP_STATE_ACTIVE transition for LLC_SAP_EV_RX_UI event */
+static llc_sap_action_t llc_sap_active_state_actions_1[] = {
+	[0] = llc_sap_action_unitdata_ind,
+	[1] = NULL,
+};
+
+static struct llc_sap_state_trans llc_sap_active_state_trans_1 = {
+	.ev =		llc_sap_ev_rx_ui,
+	.next_state =	LLC_SAP_STATE_ACTIVE,
+	.ev_actions =	llc_sap_active_state_actions_1,
+};
+
+/* state LLC_SAP_STATE_ACTIVE transition for LLC_SAP_EV_UNITDATA_REQ event */
+static llc_sap_action_t llc_sap_active_state_actions_2[] = {
+	[0] = llc_sap_action_send_ui,
+	[1] = NULL,
+};
+
+static struct llc_sap_state_trans llc_sap_active_state_trans_2 = {
+	.ev =		llc_sap_ev_unitdata_req,
+	.next_state =	LLC_SAP_STATE_ACTIVE,
+	.ev_actions =	llc_sap_active_state_actions_2,
+};
+
+/* state LLC_SAP_STATE_ACTIVE transition for LLC_SAP_EV_XID_REQ event */
+static llc_sap_action_t llc_sap_active_state_actions_3[] = {
+	[0] = llc_sap_action_send_xid_c,
+	[1] = NULL,
+};
+
+static struct llc_sap_state_trans llc_sap_active_state_trans_3 = {
+	.ev =		llc_sap_ev_xid_req,
+	.next_state =	LLC_SAP_STATE_ACTIVE,
+	.ev_actions =	llc_sap_active_state_actions_3,
+};
+
+/* state LLC_SAP_STATE_ACTIVE transition for LLC_SAP_EV_RX_XID_C event */
+static llc_sap_action_t llc_sap_active_state_actions_4[] = {
+	[0] = llc_sap_action_send_xid_r,
+	[1] = NULL,
+};
+
+static struct llc_sap_state_trans llc_sap_active_state_trans_4 = {
+	.ev =		llc_sap_ev_rx_xid_c,
+	.next_state =	LLC_SAP_STATE_ACTIVE,
+	.ev_actions =	llc_sap_active_state_actions_4,
+};
+
+/* state LLC_SAP_STATE_ACTIVE transition for LLC_SAP_EV_RX_XID_R event */
+static llc_sap_action_t llc_sap_active_state_actions_5[] = {
+	[0] = llc_sap_action_xid_ind,
+	[1] = NULL,
+};
+
+static struct llc_sap_state_trans llc_sap_active_state_trans_5 = {
+	.ev =		llc_sap_ev_rx_xid_r,
+	.next_state =	LLC_SAP_STATE_ACTIVE,
+	.ev_actions =	llc_sap_active_state_actions_5,
+};
+
+/* state LLC_SAP_STATE_ACTIVE transition for LLC_SAP_EV_TEST_REQ event */
+static llc_sap_action_t llc_sap_active_state_actions_6[] = {
+	[0] = llc_sap_action_send_test_c,
+	[1] = NULL,
+};
+
+static struct llc_sap_state_trans llc_sap_active_state_trans_6 = {
+	.ev =		llc_sap_ev_test_req,
+	.next_state =	LLC_SAP_STATE_ACTIVE,
+	.ev_actions =	llc_sap_active_state_actions_6,
+};
+
+/* state LLC_SAP_STATE_ACTIVE transition for LLC_SAP_EV_RX_TEST_C event */
+static llc_sap_action_t llc_sap_active_state_actions_7[] = {
+	[0] = llc_sap_action_send_test_r,
+	[1] = NULL,
+};
+
+static struct llc_sap_state_trans llc_sap_active_state_trans_7 = {
+	.ev =		llc_sap_ev_rx_test_c,
+	.next_state =	LLC_SAP_STATE_ACTIVE,
+	.ev_actions =	llc_sap_active_state_actions_7
+};
+
+/* state LLC_SAP_STATE_ACTIVE transition for LLC_SAP_EV_RX_TEST_R event */
+static llc_sap_action_t llc_sap_active_state_actions_8[] = {
+	[0] = llc_sap_action_test_ind,
+	[1] = NULL,
+};
+
+static struct llc_sap_state_trans llc_sap_active_state_trans_8 = {
+	.ev =		llc_sap_ev_rx_test_r,
+	.next_state =	LLC_SAP_STATE_ACTIVE,
+	.ev_actions =	llc_sap_active_state_actions_8,
+};
+
+/* state LLC_SAP_STATE_ACTIVE transition for
+ * LLC_SAP_EV_DEACTIVATION_REQ event
+ */
+static llc_sap_action_t llc_sap_active_state_actions_9[] = {
+	[0] = llc_sap_action_report_status,
+	[1] = NULL,
+};
+
+static struct llc_sap_state_trans llc_sap_active_state_trans_9 = {
+	.ev =		llc_sap_ev_deactivation_req,
+	.next_state =	LLC_SAP_STATE_INACTIVE,
+	.ev_actions =	llc_sap_active_state_actions_9
+};
+
+/* array of pointers; one to each transition */
+static struct llc_sap_state_trans *llc_sap_active_state_transitions[] = {
+	[0] = &llc_sap_active_state_trans_2,
+	[1] = &llc_sap_active_state_trans_1,
+	[2] = &llc_sap_active_state_trans_3,
+	[3] = &llc_sap_active_state_trans_4,
+	[4] = &llc_sap_active_state_trans_5,
+	[5] = &llc_sap_active_state_trans_6,
+	[6] = &llc_sap_active_state_trans_7,
+	[7] = &llc_sap_active_state_trans_8,
+	[8] = &llc_sap_active_state_trans_9,
+	[9] = &llc_sap_state_trans_end,
+};
+
+/* SAP state transition table */
+struct llc_sap_state llc_sap_state_table[LLC_NR_SAP_STATES] = {
+	[LLC_SAP_STATE_INACTIVE - 1] = {
+		.curr_state	= LLC_SAP_STATE_INACTIVE,
+		.transitions	= llc_sap_inactive_state_transitions,
+	},
+	[LLC_SAP_STATE_ACTIVE - 1] = {
+		.curr_state	= LLC_SAP_STATE_ACTIVE,
+		.transitions	= llc_sap_active_state_transitions,
+	},
+};