From 57f0f512b273f60d52568b8c6b77e17f5636edc0 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Wed, 5 Aug 2015 17:04:01 -0300 Subject: Initial import --- net/llc/llc_s_ev.c | 115 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 115 insertions(+) create mode 100644 net/llc/llc_s_ev.c (limited to 'net/llc/llc_s_ev.c') diff --git a/net/llc/llc_s_ev.c b/net/llc/llc_s_ev.c new file mode 100644 index 000000000..a74d2a1d6 --- /dev/null +++ b/net/llc/llc_s_ev.c @@ -0,0 +1,115 @@ +/* + * 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 + * + * 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 + +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; +} -- cgit v1.2.3-54-g00ecf