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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /include/net/irda/irlap_frame.h
Initial import
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diff --git a/include/net/irda/irlap_frame.h b/include/net/irda/irlap_frame.h
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+++ b/include/net/irda/irlap_frame.h
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+/*********************************************************************
+ *
+ * Filename: irlap_frame.h
+ * Version: 0.9
+ * Description: IrLAP frame declarations
+ * Status: Experimental.
+ * Author: Dag Brattli <dagb@cs.uit.no>
+ * Created at: Tue Aug 19 10:27:26 1997
+ * Modified at: Sat Dec 25 21:07:26 1999
+ * Modified by: Dag Brattli <dagb@cs.uit.no>
+ *
+ * Copyright (c) 1997-1999 Dag Brattli <dagb@cs.uit.no>,
+ * All Rights Reserved.
+ * Copyright (c) 2000-2002 Jean Tourrilhes <jt@hpl.hp.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ *
+ ********************************************************************/
+
+#ifndef IRLAP_FRAME_H
+#define IRLAP_FRAME_H
+
+#include <linux/skbuff.h>
+
+#include <net/irda/irda.h>
+
+/* A few forward declarations (to make compiler happy) */
+struct irlap_cb;
+struct discovery_t;
+
+/* Frame types and templates */
+#define INVALID 0xff
+
+/* Unnumbered (U) commands */
+#define SNRM_CMD 0x83 /* Set Normal Response Mode */
+#define DISC_CMD 0x43 /* Disconnect */
+#define XID_CMD 0x2f /* Exchange Station Identification */
+#define TEST_CMD 0xe3 /* Test */
+
+/* Unnumbered responses */
+#define RNRM_RSP 0x83 /* Request Normal Response Mode */
+#define UA_RSP 0x63 /* Unnumbered Acknowledgement */
+#define FRMR_RSP 0x87 /* Frame Reject */
+#define DM_RSP 0x0f /* Disconnect Mode */
+#define RD_RSP 0x43 /* Request Disconnection */
+#define XID_RSP 0xaf /* Exchange Station Identification */
+#define TEST_RSP 0xe3 /* Test frame */
+
+/* Supervisory (S) */
+#define RR 0x01 /* Receive Ready */
+#define REJ 0x09 /* Reject */
+#define RNR 0x05 /* Receive Not Ready */
+#define SREJ 0x0d /* Selective Reject */
+
+/* Information (I) */
+#define I_FRAME 0x00 /* Information Format */
+#define UI_FRAME 0x03 /* Unnumbered Information */
+
+#define CMD_FRAME 0x01
+#define RSP_FRAME 0x00
+
+#define PF_BIT 0x10 /* Poll/final bit */
+
+/* Some IrLAP field lengths */
+/*
+ * Only baud rate triplet is 4 bytes (PV can be 2 bytes).
+ * All others params (7) are 3 bytes, so that's 7*3 + 1*4 bytes.
+ */
+#define IRLAP_NEGOCIATION_PARAMS_LEN 25
+#define IRLAP_DISCOVERY_INFO_LEN 32
+
+struct disc_frame {
+ __u8 caddr; /* Connection address */
+ __u8 control;
+} __packed;
+
+struct xid_frame {
+ __u8 caddr; /* Connection address */
+ __u8 control;
+ __u8 ident; /* Should always be XID_FORMAT */
+ __le32 saddr; /* Source device address */
+ __le32 daddr; /* Destination device address */
+ __u8 flags; /* Discovery flags */
+ __u8 slotnr;
+ __u8 version;
+} __packed;
+
+struct test_frame {
+ __u8 caddr; /* Connection address */
+ __u8 control;
+ __le32 saddr; /* Source device address */
+ __le32 daddr; /* Destination device address */
+} __packed;
+
+struct ua_frame {
+ __u8 caddr;
+ __u8 control;
+ __le32 saddr; /* Source device address */
+ __le32 daddr; /* Dest device address */
+} __packed;
+
+struct dm_frame {
+ __u8 caddr; /* Connection address */
+ __u8 control;
+} __packed;
+
+struct rd_frame {
+ __u8 caddr; /* Connection address */
+ __u8 control;
+} __packed;
+
+struct rr_frame {
+ __u8 caddr; /* Connection address */
+ __u8 control;
+} __packed;
+
+struct i_frame {
+ __u8 caddr;
+ __u8 control;
+} __packed;
+
+struct snrm_frame {
+ __u8 caddr;
+ __u8 control;
+ __le32 saddr;
+ __le32 daddr;
+ __u8 ncaddr;
+} __packed;
+
+void irlap_queue_xmit(struct irlap_cb *self, struct sk_buff *skb);
+void irlap_send_discovery_xid_frame(struct irlap_cb *, int S, __u8 s,
+ __u8 command,
+ struct discovery_t *discovery);
+void irlap_send_snrm_frame(struct irlap_cb *, struct qos_info *);
+void irlap_send_test_frame(struct irlap_cb *self, __u8 caddr, __u32 daddr,
+ struct sk_buff *cmd);
+void irlap_send_ua_response_frame(struct irlap_cb *, struct qos_info *);
+void irlap_send_dm_frame(struct irlap_cb *self);
+void irlap_send_rd_frame(struct irlap_cb *self);
+void irlap_send_disc_frame(struct irlap_cb *self);
+void irlap_send_rr_frame(struct irlap_cb *self, int command);
+
+void irlap_send_data_primary(struct irlap_cb *, struct sk_buff *);
+void irlap_send_data_primary_poll(struct irlap_cb *, struct sk_buff *);
+void irlap_send_data_secondary(struct irlap_cb *, struct sk_buff *);
+void irlap_send_data_secondary_final(struct irlap_cb *, struct sk_buff *);
+void irlap_resend_rejected_frames(struct irlap_cb *, int command);
+void irlap_resend_rejected_frame(struct irlap_cb *self, int command);
+
+void irlap_send_ui_frame(struct irlap_cb *self, struct sk_buff *skb,
+ __u8 caddr, int command);
+
+int irlap_insert_qos_negotiation_params(struct irlap_cb *self,
+ struct sk_buff *skb);
+
+#endif