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![YOSHIFUJI Hideaki](/assets/img/avatar_default.png)
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
183 lines
5.7 KiB
C
183 lines
5.7 KiB
C
/*
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* llc_s_st.c - Defines SAP component state machine transitions.
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*
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* The followed transitions are SAP component state machine transitions
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* which are described in 802.2 LLC protocol standard document.
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*
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* Copyright (c) 1997 by Procom Technology, Inc.
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* 2001-2003 by Arnaldo Carvalho de Melo <acme@conectiva.com.br>
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*
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* This program can be redistributed or modified under the terms of the
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* GNU General Public License as published by the Free Software Foundation.
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* This program is distributed without any warranty or implied warranty
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* of merchantability or fitness for a particular purpose.
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*
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* See the GNU General Public License for more details.
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*/
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#include <linux/types.h>
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#include <net/llc_if.h>
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#include <net/llc_s_ev.h>
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#include <net/llc_s_ac.h>
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#include <net/llc_s_st.h>
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/* dummy last-transition indicator; common to all state transition groups
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* last entry for this state
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* all members are zeros, .bss zeroes it
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*/
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static struct llc_sap_state_trans llc_sap_state_trans_end;
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/* state LLC_SAP_STATE_INACTIVE transition for
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* LLC_SAP_EV_ACTIVATION_REQ event
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*/
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static llc_sap_action_t llc_sap_inactive_state_actions_1[] = {
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[0] = llc_sap_action_report_status,
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[1] = NULL,
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};
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static struct llc_sap_state_trans llc_sap_inactive_state_trans_1 = {
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.ev = llc_sap_ev_activation_req,
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.next_state = LLC_SAP_STATE_ACTIVE,
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.ev_actions = llc_sap_inactive_state_actions_1,
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};
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/* array of pointers; one to each transition */
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static struct llc_sap_state_trans *llc_sap_inactive_state_transitions[] = {
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[0] = &llc_sap_inactive_state_trans_1,
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[1] = &llc_sap_state_trans_end,
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};
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/* state LLC_SAP_STATE_ACTIVE transition for LLC_SAP_EV_RX_UI event */
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static llc_sap_action_t llc_sap_active_state_actions_1[] = {
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[0] = llc_sap_action_unitdata_ind,
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[1] = NULL,
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};
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static struct llc_sap_state_trans llc_sap_active_state_trans_1 = {
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.ev = llc_sap_ev_rx_ui,
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.next_state = LLC_SAP_STATE_ACTIVE,
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.ev_actions = llc_sap_active_state_actions_1,
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};
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/* state LLC_SAP_STATE_ACTIVE transition for LLC_SAP_EV_UNITDATA_REQ event */
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static llc_sap_action_t llc_sap_active_state_actions_2[] = {
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[0] = llc_sap_action_send_ui,
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[1] = NULL,
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};
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static struct llc_sap_state_trans llc_sap_active_state_trans_2 = {
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.ev = llc_sap_ev_unitdata_req,
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.next_state = LLC_SAP_STATE_ACTIVE,
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.ev_actions = llc_sap_active_state_actions_2,
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};
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/* state LLC_SAP_STATE_ACTIVE transition for LLC_SAP_EV_XID_REQ event */
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static llc_sap_action_t llc_sap_active_state_actions_3[] = {
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[0] = llc_sap_action_send_xid_c,
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[1] = NULL,
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};
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static struct llc_sap_state_trans llc_sap_active_state_trans_3 = {
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.ev = llc_sap_ev_xid_req,
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.next_state = LLC_SAP_STATE_ACTIVE,
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.ev_actions = llc_sap_active_state_actions_3,
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};
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/* state LLC_SAP_STATE_ACTIVE transition for LLC_SAP_EV_RX_XID_C event */
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static llc_sap_action_t llc_sap_active_state_actions_4[] = {
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[0] = llc_sap_action_send_xid_r,
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[1] = NULL,
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};
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static struct llc_sap_state_trans llc_sap_active_state_trans_4 = {
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.ev = llc_sap_ev_rx_xid_c,
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.next_state = LLC_SAP_STATE_ACTIVE,
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.ev_actions = llc_sap_active_state_actions_4,
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};
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/* state LLC_SAP_STATE_ACTIVE transition for LLC_SAP_EV_RX_XID_R event */
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static llc_sap_action_t llc_sap_active_state_actions_5[] = {
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[0] = llc_sap_action_xid_ind,
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[1] = NULL,
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};
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static struct llc_sap_state_trans llc_sap_active_state_trans_5 = {
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.ev = llc_sap_ev_rx_xid_r,
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.next_state = LLC_SAP_STATE_ACTIVE,
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.ev_actions = llc_sap_active_state_actions_5,
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};
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/* state LLC_SAP_STATE_ACTIVE transition for LLC_SAP_EV_TEST_REQ event */
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static llc_sap_action_t llc_sap_active_state_actions_6[] = {
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[0] = llc_sap_action_send_test_c,
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[1] = NULL,
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};
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static struct llc_sap_state_trans llc_sap_active_state_trans_6 = {
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.ev = llc_sap_ev_test_req,
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.next_state = LLC_SAP_STATE_ACTIVE,
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.ev_actions = llc_sap_active_state_actions_6,
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};
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/* state LLC_SAP_STATE_ACTIVE transition for LLC_SAP_EV_RX_TEST_C event */
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static llc_sap_action_t llc_sap_active_state_actions_7[] = {
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[0] = llc_sap_action_send_test_r,
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[1] = NULL,
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};
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static struct llc_sap_state_trans llc_sap_active_state_trans_7 = {
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.ev = llc_sap_ev_rx_test_c,
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.next_state = LLC_SAP_STATE_ACTIVE,
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.ev_actions = llc_sap_active_state_actions_7
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};
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/* state LLC_SAP_STATE_ACTIVE transition for LLC_SAP_EV_RX_TEST_R event */
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static llc_sap_action_t llc_sap_active_state_actions_8[] = {
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[0] = llc_sap_action_test_ind,
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[1] = NULL,
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};
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static struct llc_sap_state_trans llc_sap_active_state_trans_8 = {
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.ev = llc_sap_ev_rx_test_r,
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.next_state = LLC_SAP_STATE_ACTIVE,
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.ev_actions = llc_sap_active_state_actions_8,
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};
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/* state LLC_SAP_STATE_ACTIVE transition for
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* LLC_SAP_EV_DEACTIVATION_REQ event
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*/
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static llc_sap_action_t llc_sap_active_state_actions_9[] = {
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[0] = llc_sap_action_report_status,
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[1] = NULL,
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};
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static struct llc_sap_state_trans llc_sap_active_state_trans_9 = {
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.ev = llc_sap_ev_deactivation_req,
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.next_state = LLC_SAP_STATE_INACTIVE,
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.ev_actions = llc_sap_active_state_actions_9
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};
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/* array of pointers; one to each transition */
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static struct llc_sap_state_trans *llc_sap_active_state_transitions[] = {
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[0] = &llc_sap_active_state_trans_2,
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[1] = &llc_sap_active_state_trans_1,
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[2] = &llc_sap_active_state_trans_3,
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[3] = &llc_sap_active_state_trans_4,
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[4] = &llc_sap_active_state_trans_5,
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[5] = &llc_sap_active_state_trans_6,
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[6] = &llc_sap_active_state_trans_7,
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[7] = &llc_sap_active_state_trans_8,
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[8] = &llc_sap_active_state_trans_9,
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[9] = &llc_sap_state_trans_end,
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};
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/* SAP state transition table */
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struct llc_sap_state llc_sap_state_table[LLC_NR_SAP_STATES] = {
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[LLC_SAP_STATE_INACTIVE - 1] = {
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.curr_state = LLC_SAP_STATE_INACTIVE,
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.transitions = llc_sap_inactive_state_transitions,
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},
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[LLC_SAP_STATE_ACTIVE - 1] = {
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.curr_state = LLC_SAP_STATE_ACTIVE,
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.transitions = llc_sap_active_state_transitions,
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},
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};
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