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[/] [or1k_soc_on_altera_embedded_dev_kit/] [tags/] [linux-2.6/] [linux-2.6.24_or32_unified_v2.3/] [net/] [llc/] [llc_s_ev.c] - Rev 3
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/* * llc_s_ev.c - Defines SAP component events * * The followed event functions are SAP component events 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/socket.h> #include <net/sock.h> #include <net/llc_if.h> #include <net/llc_s_ev.h> #include <net/llc_pdu.h> int llc_sap_ev_activation_req(struct llc_sap *sap, struct sk_buff *skb) { struct llc_sap_state_ev *ev = llc_sap_ev(skb); return ev->type == LLC_SAP_EV_TYPE_SIMPLE && ev->prim_type == LLC_SAP_EV_ACTIVATION_REQ ? 0 : 1; } int llc_sap_ev_rx_ui(struct llc_sap *sap, struct sk_buff *skb) { struct llc_sap_state_ev *ev = llc_sap_ev(skb); struct llc_pdu_un *pdu = llc_pdu_un_hdr(skb); return ev->type == LLC_SAP_EV_TYPE_PDU && LLC_PDU_IS_CMD(pdu) && LLC_PDU_TYPE_IS_U(pdu) && LLC_U_PDU_CMD(pdu) == LLC_1_PDU_CMD_UI ? 0 : 1; } int llc_sap_ev_unitdata_req(struct llc_sap *sap, struct sk_buff *skb) { struct llc_sap_state_ev *ev = llc_sap_ev(skb); return ev->type == LLC_SAP_EV_TYPE_PRIM && ev->prim == LLC_DATAUNIT_PRIM && ev->prim_type == LLC_PRIM_TYPE_REQ ? 0 : 1; } int llc_sap_ev_xid_req(struct llc_sap *sap, struct sk_buff *skb) { struct llc_sap_state_ev *ev = llc_sap_ev(skb); return ev->type == LLC_SAP_EV_TYPE_PRIM && ev->prim == LLC_XID_PRIM && ev->prim_type == LLC_PRIM_TYPE_REQ ? 0 : 1; } int llc_sap_ev_rx_xid_c(struct llc_sap *sap, struct sk_buff *skb) { struct llc_sap_state_ev *ev = llc_sap_ev(skb); struct llc_pdu_un *pdu = llc_pdu_un_hdr(skb); return ev->type == LLC_SAP_EV_TYPE_PDU && LLC_PDU_IS_CMD(pdu) && LLC_PDU_TYPE_IS_U(pdu) && LLC_U_PDU_CMD(pdu) == LLC_1_PDU_CMD_XID ? 0 : 1; } int llc_sap_ev_rx_xid_r(struct llc_sap *sap, struct sk_buff *skb) { struct llc_sap_state_ev *ev = llc_sap_ev(skb); struct llc_pdu_un *pdu = llc_pdu_un_hdr(skb); return ev->type == LLC_SAP_EV_TYPE_PDU && LLC_PDU_IS_RSP(pdu) && LLC_PDU_TYPE_IS_U(pdu) && LLC_U_PDU_RSP(pdu) == LLC_1_PDU_CMD_XID ? 0 : 1; } int llc_sap_ev_test_req(struct llc_sap *sap, struct sk_buff *skb) { struct llc_sap_state_ev *ev = llc_sap_ev(skb); return ev->type == LLC_SAP_EV_TYPE_PRIM && ev->prim == LLC_TEST_PRIM && ev->prim_type == LLC_PRIM_TYPE_REQ ? 0 : 1; } int llc_sap_ev_rx_test_c(struct llc_sap *sap, struct sk_buff *skb) { struct llc_sap_state_ev *ev = llc_sap_ev(skb); struct llc_pdu_un *pdu = llc_pdu_un_hdr(skb); return ev->type == LLC_SAP_EV_TYPE_PDU && LLC_PDU_IS_CMD(pdu) && LLC_PDU_TYPE_IS_U(pdu) && LLC_U_PDU_CMD(pdu) == LLC_1_PDU_CMD_TEST ? 0 : 1; } int llc_sap_ev_rx_test_r(struct llc_sap *sap, struct sk_buff *skb) { struct llc_sap_state_ev *ev = llc_sap_ev(skb); struct llc_pdu_un *pdu = llc_pdu_un_hdr(skb); return ev->type == LLC_SAP_EV_TYPE_PDU && LLC_PDU_IS_RSP(pdu) && LLC_PDU_TYPE_IS_U(pdu) && LLC_U_PDU_RSP(pdu) == LLC_1_PDU_CMD_TEST ? 0 : 1; } int llc_sap_ev_deactivation_req(struct llc_sap *sap, struct sk_buff *skb) { struct llc_sap_state_ev *ev = llc_sap_ev(skb); return ev->type == LLC_SAP_EV_TYPE_SIMPLE && ev->prim_type == LLC_SAP_EV_DEACTIVATION_REQ ? 0 : 1; }
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