C++ (Cpp) LLC_U_PDU_RSP示例

示例#1

文件： llc_c_ev.c 项目： FelipeFernandes1988/Alice-1121-Modem

int llc_conn_ev_rx_ua_rsp_fbit_set_x(struct sock *sk, struct sk_buff *skb)
{
	struct llc_pdu_un *pdu = llc_pdu_un_hdr(skb);

	return LLC_PDU_IS_RSP(pdu) && LLC_PDU_TYPE_IS_U(pdu) &&
	       LLC_U_PDU_RSP(pdu) == LLC_2_PDU_RSP_UA ? 0 : 1;
}

示例#2

文件： llc_c_ac.c 项目： johnny/CobraDroidBeta

int llc_conn_ac_disc_ind(struct sock *sk, struct sk_buff *skb)
{
	struct llc_conn_state_ev *ev = llc_conn_ev(skb);
	u8 reason = 0;
	int rc = 0;

	if (ev->type == LLC_CONN_EV_TYPE_PDU) {
		struct llc_pdu_un *pdu = llc_pdu_un_hdr(skb);

		if (LLC_PDU_IS_RSP(pdu) &&
		    LLC_PDU_TYPE_IS_U(pdu) &&
		    LLC_U_PDU_RSP(pdu) == LLC_2_PDU_RSP_DM)
			reason = LLC_DISC_REASON_RX_DM_RSP_PDU;
		else if (LLC_PDU_IS_CMD(pdu) &&
			   LLC_PDU_TYPE_IS_U(pdu) &&
			   LLC_U_PDU_CMD(pdu) == LLC_2_PDU_CMD_DISC)
			reason = LLC_DISC_REASON_RX_DISC_CMD_PDU;
	} else if (ev->type == LLC_CONN_EV_TYPE_ACK_TMR)
		reason = LLC_DISC_REASON_ACK_TMR_EXP;
	else
		rc = -EINVAL;
	if (!rc) {
		ev->reason   = reason;
		ev->ind_prim = LLC_DISC_PRIM;
	}
	return rc;
}

示例#3

文件： llc_s_ev.c 项目： CSCLOG/beaglebone

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;
}

示例#4

文件： llc_station.c 项目： StephenMacras/dsl-n55u-bender

static int llc_stat_ev_rx_null_dsap_1_xid_r_xid_r_cnt_eq(struct sk_buff *skb)
{
	struct llc_station_state_ev *ev = llc_station_ev(skb);
	struct llc_pdu_un *pdu = llc_pdu_un_hdr(skb);

	return ev->type == LLC_STATION_EV_TYPE_PDU &&
	       LLC_PDU_IS_RSP(pdu) &&			/* response PDU */
	       LLC_PDU_TYPE_IS_U(pdu) &&		/* U type PDU */
	       LLC_U_PDU_RSP(pdu) == LLC_1_PDU_CMD_XID &&
	       !pdu->dsap &&				/* NULL DSAP value */
	       llc_main_station.xid_r_count == 1 ? 0 : 1;
}

示例#5

/**
 *	llc_sap_rtn_pdu - Informs upper layer on rx of an UI, XID or TEST pdu.
 *	@sap: pointer to SAP
 *	@skb: received pdu
 */
void llc_sap_rtn_pdu(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);

	switch (LLC_U_PDU_RSP(pdu)) {
	case LLC_1_PDU_CMD_TEST:
		ev->prim = LLC_TEST_PRIM;	break;
	case LLC_1_PDU_CMD_XID:
		ev->prim = LLC_XID_PRIM;	break;
	case LLC_1_PDU_CMD_UI:
		ev->prim = LLC_DATAUNIT_PRIM;	break;
	}
	ev->ind_cfm_flag = LLC_IND;
}

示例#6

文件： llc_c_ac.c 项目： FelipeFernandes1988/Alice-1121-Modem

int llc_conn_ac_rst_ind(struct sock *sk, struct sk_buff *skb)
{
	u8 reason = 0;
	int rc = 1;
	struct llc_conn_state_ev *ev = llc_conn_ev(skb);
	struct llc_pdu_un *pdu = llc_pdu_un_hdr(skb);
	struct llc_opt *llc = llc_sk(sk);

	switch (ev->type) {
	case LLC_CONN_EV_TYPE_PDU:
		if (LLC_PDU_IS_RSP(pdu) &&
		    LLC_PDU_TYPE_IS_U(pdu) &&
		    LLC_U_PDU_RSP(pdu) == LLC_2_PDU_RSP_FRMR) {
			reason = LLC_RESET_REASON_LOCAL;
			rc = 0;
		} else if (LLC_PDU_IS_CMD(pdu) &&
			   LLC_PDU_TYPE_IS_U(pdu) &&
			   LLC_U_PDU_CMD(pdu) == LLC_2_PDU_CMD_SABME) {
			reason = LLC_RESET_REASON_REMOTE;
			rc = 0;
		} else {
			reason = 0;
			rc  = 1;
		}
		break;
	case LLC_CONN_EV_TYPE_ACK_TMR:
	case LLC_CONN_EV_TYPE_P_TMR:
	case LLC_CONN_EV_TYPE_REJ_TMR:
	case LLC_CONN_EV_TYPE_BUSY_TMR:
		if (llc->retry_count > llc->n2) {
			reason = LLC_RESET_REASON_LOCAL;
			rc = 0;
		} else
			rc = 1;
		break;
	}
	if (!rc) {
		ev->reason   = reason;
		ev->ind_prim = LLC_RESET_PRIM;
	}
	return rc;
}

示例#7

文件： llc_c_ev.c 项目： FelipeFernandes1988/Alice-1121-Modem

int llc_conn_ev_rx_xxx_rsp_fbit_set_x(struct sock *sk, struct sk_buff *skb)
{
	u16 rc = 1;
	struct llc_pdu_un *pdu = llc_pdu_un_hdr(skb);

	if (LLC_PDU_IS_RSP(pdu)) {
		if (LLC_PDU_TYPE_IS_I(pdu) || LLC_PDU_TYPE_IS_S(pdu))
			rc = 0;
		else if (LLC_PDU_TYPE_IS_U(pdu))
			switch (LLC_U_PDU_RSP(pdu)) {
			case LLC_2_PDU_RSP_UA:
			case LLC_2_PDU_RSP_DM:
			case LLC_2_PDU_RSP_FRMR:
				rc = 0;
				break;
			}
	}

	return rc;
}