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-rw-r--r--include/openbsc/ipaccess.h131
1 files changed, 131 insertions, 0 deletions
diff --git a/include/openbsc/ipaccess.h b/include/openbsc/ipaccess.h
new file mode 100644
index 00000000..1d00d979
--- /dev/null
+++ b/include/openbsc/ipaccess.h
@@ -0,0 +1,131 @@
+#ifndef _IPACCESS_H
+#define _IPACCESS_H
+
+#include "e1_input.h"
+#include "gsm_subscriber.h"
+#include <osmocore/linuxlist.h>
+
+#define IPA_TCP_PORT_OML 3002
+#define IPA_TCP_PORT_RSL 3003
+
+struct ipaccess_head {
+ u_int16_t len; /* network byte order */
+ u_int8_t proto;
+ u_int8_t data[0];
+} __attribute__ ((packed));
+
+struct ipaccess_head_ext {
+ uint8_t proto;
+ uint8_t data[0];
+} __attribute__ ((packed));
+
+enum ipaccess_proto {
+ IPAC_PROTO_RSL = 0x00,
+ IPAC_PROTO_IPACCESS = 0xfe,
+ IPAC_PROTO_SCCP = 0xfd,
+ IPAC_PROTO_OML = 0xff,
+
+
+ /* OpenBSC extensions */
+ IPAC_PROTO_OSMO = 0xee,
+ IPAC_PROTO_MGCP_OLD = 0xfc,
+};
+
+enum ipaccess_msgtype {
+ IPAC_MSGT_PING = 0x00,
+ IPAC_MSGT_PONG = 0x01,
+ IPAC_MSGT_ID_GET = 0x04,
+ IPAC_MSGT_ID_RESP = 0x05,
+ IPAC_MSGT_ID_ACK = 0x06,
+
+ /* OpenBSC extension */
+ IPAC_MSGT_SCCP_OLD = 0xff,
+};
+
+enum ipaccess_id_tags {
+ IPAC_IDTAG_SERNR = 0x00,
+ IPAC_IDTAG_UNITNAME = 0x01,
+ IPAC_IDTAG_LOCATION1 = 0x02,
+ IPAC_IDTAG_LOCATION2 = 0x03,
+ IPAC_IDTAG_EQUIPVERS = 0x04,
+ IPAC_IDTAG_SWVERSION = 0x05,
+ IPAC_IDTAG_IPADDR = 0x06,
+ IPAC_IDTAG_MACADDR = 0x07,
+ IPAC_IDTAG_UNIT = 0x08,
+};
+
+struct ipac_msgt_sccp_state {
+ uint8_t src_ref[3];
+ uint8_t dst_ref[3];
+ uint8_t trans_id;
+ uint8_t invoke_id;
+ char imsi[GSM_IMSI_LENGTH];
+} __attribute__((packed));
+
+int ipaccess_connect(struct e1inp_line *line, struct sockaddr_in *sa);
+
+/*
+ * methods for parsing and sending a message
+ */
+int ipaccess_rcvmsg_base(struct msgb *msg, struct bsc_fd *bfd);
+struct msgb *ipaccess_read_msg(struct bsc_fd *bfd, int *error);
+void ipaccess_prepend_header(struct msgb *msg, int proto);
+int ipaccess_send_id_ack(int fd);
+int ipaccess_send_id_req(int fd);
+
+int ipaccess_idtag_parse(struct tlv_parsed *dec, unsigned char *buf, int len);
+
+int ipaccess_drop_oml(struct gsm_bts *bts);
+int ipaccess_drop_rsl(struct gsm_bts_trx *trx);
+
+/*
+ * Firmware specific header
+ */
+struct sdp_firmware {
+ char magic[4];
+ char more_magic[2];
+ u_int16_t more_more_magic;
+ u_int32_t header_length;
+ u_int32_t file_length;
+ char sw_part[20];
+ char text1[64];
+ char time[12];
+ char date[14];
+ char text2[10];
+ char version[20];
+ u_int16_t table_offset;
+ /* stuff i don't know */
+} __attribute__((packed));
+
+struct sdp_header_entry {
+ u_int16_t something1;
+ char text1[64];
+ char time[12];
+ char date[14];
+ char text2[10];
+ char version[20];
+ u_int32_t length;
+ u_int32_t addr1;
+ u_int32_t addr2;
+ u_int32_t start;
+} __attribute__((packed));
+
+struct sdp_header_item {
+ struct sdp_header_entry header_entry;
+ struct llist_head entry;
+ off_t absolute_offset;
+};
+
+struct sdp_header {
+ struct sdp_firmware firmware_info;
+
+ /* for more_magic a list of sdp_header_entry_list */
+ struct llist_head header_list;
+
+ /* the entry of the sdp_header */
+ struct llist_head entry;
+};
+
+int ipaccess_analyze_file(int fd, const unsigned int st_size, const unsigned base_offset, struct llist_head *list);
+
+#endif /* _IPACCESS_H */