/* * 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 * * 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 #include #include #include #include /* 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 const 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 const 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 const 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 const 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 const 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 const 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 const 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 const 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 const 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 const 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, }, }; /bugs.freedesktop.org/show_bug.cgi?id=96436 Signed-off-by: Imre Deak <imre.deak@intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/1466084243-5388-2-git-send-email-imre.deak@intel.com
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