* improve parsing of status/phase response from BTS
* split rs232 support into separate file (like misdn.c)
This commit is contained in:
parent
268bb40b35
commit
c12d52bae4
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@ -407,7 +407,10 @@ enum abis_bs11_phase {
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BS11_STATE_SOFTWARE_RQD = 0x01,
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BS11_STATE_LOAD_SMU_INTENDED = 0x11,
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BS11_STATE_LOAD_SMU_SAFETY = 0x21,
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BS11_STATE_LOAD_FAILED = 0x31,
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BS11_STATE_LOAD_DIAGNOSTIC = 0x41,
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BS11_STATE_WARM_UP = 0x51,
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BS11_STATE_WARM_UP_2 = 0x52,
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BS11_STATE_WAIT_MIN_CFG = 0x62,
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BS11_STATE_MAINTENANCE = 0x72,
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BS11_STATE_LOAD_MBCCU = 0x92,
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@ -415,14 +418,15 @@ enum abis_bs11_phase {
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BS11_STATE_NORMAL = 0x03,
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};
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/* FIXME: this is not correct, please parse this correctly */
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struct abis_nm_bs11_state {
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u_int8_t unknown;
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u_int8_t unknown2;
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u_int8_t tag_f0;
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u_int8_t len_f0;
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u_int8_t phase;
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u_int8_t mbccu;
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u_int8_t unknown3;
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u_int8_t ccu;
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u_int8_t t_link;
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u_int8_t tag_f1;
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u_int8_t len_f1;
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u_int8_t abis_link;
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} __attribute__((packed));
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@ -9,4 +9,4 @@ bsc_hack_SOURCES = bsc_hack.c misdn.c abis_rsl.c abis_nm.c gsm_04_08.c gsm_data.
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trau_frame.c paging.c
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bsc_hack_LDADD = -ldl -ldbi
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bs11_config_SOURCES = bs11_config.c abis_nm.c gsm_data.c msgb.c debug.c select.c timer.c
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bs11_config_SOURCES = bs11_config.c abis_nm.c gsm_data.c msgb.c debug.c select.c timer.c rs232.c
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@ -29,7 +29,6 @@
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#include <string.h>
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#include <getopt.h>
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#include <fcntl.h>
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#include <termios.h>
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#include <signal.h>
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#include <sys/types.h>
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@ -68,18 +67,8 @@ static const char *trx1_password = "1111111111";
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static const u_int8_t too_fast[] = { 0x12, 0x80, 0x00, 0x00, 0x02, 0x02 };
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struct serial_handle {
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struct bsc_fd fd;
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struct llist_head tx_queue;
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struct msgb *rx_msg;
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unsigned int rxmsg_bytes_missing;
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};
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/* FIXME: this needs to go */
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static struct serial_handle _ser_handle, *ser_handle = &_ser_handle;
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static int handle_serial_msg(struct msgb *rx_msg);
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int handle_serial_msg(struct msgb *rx_msg);
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static int create_trx1_objects(struct gsm_bts *bts)
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{
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@ -133,158 +122,10 @@ static char *serial_port = "/dev/ttyUSB0";
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static char *fname_safety = "BTSBMC76.SWI";
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static char *fname_software = "HS011106.SWL";
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static int delay_ms = 0;
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static int serial_fd = -1;
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static int have_trx1 = 0;
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static int win_size = 8;
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static struct gsm_bts *g_bts;
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/* adaption layer from GSM 08.59 + 12.21 to RS232 */
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#define LAPD_HDR_LEN 10
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/* callback from abis_nm */
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int _abis_nm_sendmsg(struct msgb *msg)
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{
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struct serial_handle *sh = ser_handle;
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u_int8_t *lapd;
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unsigned int len;
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msg->l2h = msg->data;
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/* prepend LAPD header */
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lapd = msgb_push(msg, LAPD_HDR_LEN);
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len = msg->len - 2;
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lapd[0] = (len >> 8) & 0xff;
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lapd[1] = len & 0xff; /* length of bytes startign at lapd[2] */
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lapd[2] = 0x00;
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lapd[3] = 0x07;
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lapd[4] = 0x01;
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lapd[5] = 0x3e;
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lapd[6] = 0x00;
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lapd[7] = 0x00;
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lapd[8] = msg->len - 10; /* length of bytes starting at lapd[10] */
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lapd[9] = lapd[8] ^ 0x38;
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msgb_enqueue(&sh->tx_queue, msg);
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sh->fd.when |= BSC_FD_WRITE;
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return 0;
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}
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/* select.c callback in case we can write to the RS232 */
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static int handle_ser_write(struct bsc_fd *bfd)
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{
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struct serial_handle *sh = bfd->data;
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struct msgb *msg;
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int written;
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msg = msgb_dequeue(&sh->tx_queue);
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if (!msg) {
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bfd->when &= ~BSC_FD_WRITE;
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return 0;
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}
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fprintf(stdout, "TX: ");
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hexdump(msg->data, msg->len);
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/* send over serial line */
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written = write(serial_fd, msg->data, msg->len);
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if (written < msg->len) {
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perror("short write:");
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msgb_free(msg);
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return -1;
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}
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msgb_free(msg);
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usleep(delay_ms*1000);
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return 0;
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}
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#define SERIAL_ALLOC_SIZE 300
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/* select.c callback in case we can read from the RS232 */
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static int handle_ser_read(struct bsc_fd *bfd)
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{
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struct serial_handle *sh = bfd->data;
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struct msgb *msg;
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int rc = 0;
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if (!sh->rx_msg) {
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sh->rx_msg = msgb_alloc(SERIAL_ALLOC_SIZE);
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sh->rx_msg->l2h = NULL;
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}
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msg = sh->rx_msg;
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/* first read two byes to obtain length */
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if (msg->len < 2) {
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rc = read(sh->fd.fd, msg->tail, 2 - msg->len);
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if (rc < 0) {
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perror("ERROR reading from serial port");
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msgb_free(msg);
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return rc;
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}
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msgb_put(msg, rc);
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if (msg->len >= 2) {
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/* parse LAPD payload length */
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if (msg->data[0] != 0)
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fprintf(stderr, "Suspicious header byte 0: 0x%02x\n",
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msg->data[0]);
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sh->rxmsg_bytes_missing = msg->data[0] << 8;
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sh->rxmsg_bytes_missing += msg->data[1];
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if (sh->rxmsg_bytes_missing < LAPD_HDR_LEN -2)
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fprintf(stderr, "Invalid length in hdr: %u\n",
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sh->rxmsg_bytes_missing);
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}
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} else {
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/* try to read as many of the missing bytes as are available */
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rc = read(sh->fd.fd, msg->tail, sh->rxmsg_bytes_missing);
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if (rc < 0) {
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perror("ERROR reading from serial port");
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msgb_free(msg);
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return rc;
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}
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msgb_put(msg, rc);
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sh->rxmsg_bytes_missing -= rc;
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if (sh->rxmsg_bytes_missing == 0) {
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/* we have one complete message now */
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sh->rx_msg = NULL;
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if (msg->len > LAPD_HDR_LEN)
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msg->l2h = msg->data + LAPD_HDR_LEN;
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fprintf(stdout, "RX: ");
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hexdump(msg->data, msg->len);
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rc = handle_serial_msg(msg);
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}
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}
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return rc;
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}
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/* select.c callback */
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static int serial_fd_cb(struct bsc_fd *bfd, unsigned int what)
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{
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int rc = 0;
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if (what & BSC_FD_READ)
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rc = handle_ser_read(bfd);
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if (rc < 0)
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return rc;
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if (what & BSC_FD_WRITE)
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rc = handle_ser_write(bfd);
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return rc;
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}
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static int file_is_readable(const char *fname)
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{
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int rc;
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@ -374,12 +215,13 @@ static void print_state(struct abis_nm_bs11_state *st)
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enum abis_bs11_phase phase = st->phase;
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printf("T-Link: %-9s Abis-link: %-9s MBCCU0: %-11s MBCCU1: %-11s PHASE: %u SUBPHASE: ",
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linkstate_name(st->t_link), linkstate_name(st->abis_link),
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linkstate_name(st->abis_link >> 4), linkstate_name(st->abis_link & 0xf),
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mbccu_load_name(st->mbccu >> 4), mbccu_load_name(st->mbccu & 0xf),
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phase & 0xf);
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switch (phase) {
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case BS11_STATE_WARM_UP:
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case BS11_STATE_WARM_UP_2:
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printf("Warm Up...\n");
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break;
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case BS11_STATE_LOAD_SMU_SAFETY:
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@ -469,13 +311,14 @@ static int handle_state_resp(enum abis_bs11_phase state)
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}
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/* handle a fully-received message/packet from the RS232 port */
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static int handle_serial_msg(struct msgb *rx_msg)
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int handle_serial_msg(struct msgb *rx_msg)
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{
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struct abis_om_hdr *oh;
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struct abis_om_fom_hdr *foh;
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struct abis_nm_bs11_state *st;
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int rc = -1;
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#if 0
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if (rx_msg->len < LAPD_HDR_LEN
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+ sizeof(struct abis_om_fom_hdr)
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+ sizeof(struct abis_om_hdr)) {
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} else
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fprintf(stderr, "unknown BS11 message\n");
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}
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#endif
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oh = (struct abis_om_hdr *) msgb_l2(rx_msg);
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foh = (struct abis_om_fom_hdr *) oh->data;
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int main(int argc, char **argv)
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{
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struct gsm_network *gsmnet;
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struct termios tio;
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int rc;
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handle_options(argc, argv);
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serial_fd = open(serial_port, O_RDWR);
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if (serial_fd < 0) {
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perror("cannot open serial port:");
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exit(1);
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}
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/* set baudrate */
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rc = tcgetattr(serial_fd, &tio);
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if (rc < 0) {
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perror("tcgetattr()");
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exit(1);
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}
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cfsetispeed(&tio, B19200);
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cfsetospeed(&tio, B19200);
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tio.c_cflag |= (CREAD | CLOCAL | CS8);
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tio.c_cflag &= ~(PARENB | CSTOPB | CSIZE | CRTSCTS);
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tio.c_lflag &= ~(ICANON | ECHO | ECHOE | ISIG);
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tio.c_iflag |= (INPCK | ISTRIP);
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tio.c_iflag &= ~(ISTRIP | IXON | IXOFF | IGNBRK | INLCR | ICRNL | IGNCR);
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tio.c_oflag &= ~(OPOST);
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rc = tcsetattr(serial_fd, TCSADRAIN, &tio);
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if (rc < 0) {
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perror("tcsetattr()");
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exit(1);
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}
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gsmnet = gsm_network_init(1, 1, 1);
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if (!gsmnet) {
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fprintf(stderr, "Unable to allocate gsm network\n");
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@ -650,17 +467,7 @@ int main(int argc, char **argv)
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}
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g_bts = &gsmnet->bts[0];
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INIT_LLIST_HEAD(&ser_handle->tx_queue);
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ser_handle->fd.fd = serial_fd;
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ser_handle->fd.when = BSC_FD_READ;
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ser_handle->fd.cb = serial_fd_cb;
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ser_handle->fd.data = ser_handle;
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rc = bsc_register_fd(&ser_handle->fd);
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if (rc < 0) {
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fprintf(stderr, "could not register FD: %s\n",
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strerror(rc));
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exit(1);
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}
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rs232_setup(serial_port, delay_ms);
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signal(SIGINT, &signal_handler);
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@ -673,6 +480,5 @@ int main(int argc, char **argv)
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abis_nm_bs11_factory_logon(g_bts, 0);
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close(serial_fd);
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exit(0);
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}
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@ -0,0 +1,245 @@
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/* OpenBSC BS-11 T-Link interface using POSIX serial port */
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/* (C) 2008-2009 by Harald Welte <laforge@gnumonks.org>
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*
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* All Rights Reserved
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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*/
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#include <unistd.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <errno.h>
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#include <string.h>
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#include <termios.h>
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#include <fcntl.h>
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#include <openbsc/select.h>
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#include <openbsc/msgb.h>
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#include <openbsc/debug.h>
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#include <openbsc/gsm_data.h>
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/* adaption layer from GSM 08.59 + 12.21 to RS232 */
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struct serial_handle {
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struct bsc_fd fd;
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struct llist_head tx_queue;
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struct msgb *rx_msg;
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unsigned int rxmsg_bytes_missing;
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unsigned int delay_ms;
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};
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/* FIXME: this needs to go */
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static struct serial_handle _ser_handle, *ser_handle = &_ser_handle;
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#define LAPD_HDR_LEN 10
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/* callback from abis_nm */
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int _abis_nm_sendmsg(struct msgb *msg)
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{
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struct serial_handle *sh = ser_handle;
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u_int8_t *lapd;
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unsigned int len;
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msg->l2h = msg->data;
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/* prepend LAPD header */
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lapd = msgb_push(msg, LAPD_HDR_LEN);
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len = msg->len - 2;
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lapd[0] = (len >> 8) & 0xff;
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lapd[1] = len & 0xff; /* length of bytes startign at lapd[2] */
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lapd[2] = 0x00;
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lapd[3] = 0x07;
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lapd[4] = 0x01;
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lapd[5] = 0x3e;
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lapd[6] = 0x00;
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lapd[7] = 0x00;
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lapd[8] = msg->len - 10; /* length of bytes starting at lapd[10] */
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lapd[9] = lapd[8] ^ 0x38;
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msgb_enqueue(&sh->tx_queue, msg);
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sh->fd.when |= BSC_FD_WRITE;
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return 0;
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}
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/* select.c callback in case we can write to the RS232 */
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static int handle_ser_write(struct bsc_fd *bfd)
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{
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struct serial_handle *sh = bfd->data;
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struct msgb *msg;
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int written;
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msg = msgb_dequeue(&sh->tx_queue);
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if (!msg) {
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bfd->when &= ~BSC_FD_WRITE;
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return 0;
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}
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if (debug_mask & DMI) {
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fprintf(stdout, "RS232 TX: ");
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hexdump(msg->data, msg->len);
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}
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/* send over serial line */
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written = write(bfd->fd, msg->data, msg->len);
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if (written < msg->len) {
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perror("short write:");
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msgb_free(msg);
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return -1;
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}
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msgb_free(msg);
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usleep(sh->delay_ms*1000);
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return 0;
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}
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#define SERIAL_ALLOC_SIZE 300
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/* select.c callback in case we can read from the RS232 */
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static int handle_ser_read(struct bsc_fd *bfd)
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{
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struct serial_handle *sh = bfd->data;
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struct msgb *msg;
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int rc = 0;
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if (!sh->rx_msg) {
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sh->rx_msg = msgb_alloc(SERIAL_ALLOC_SIZE);
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sh->rx_msg->l2h = NULL;
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}
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msg = sh->rx_msg;
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/* first read two byes to obtain length */
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if (msg->len < 2) {
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rc = read(sh->fd.fd, msg->tail, 2 - msg->len);
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if (rc < 0) {
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||||
perror("ERROR reading from serial port");
|
||||
msgb_free(msg);
|
||||
return rc;
|
||||
}
|
||||
msgb_put(msg, rc);
|
||||
|
||||
if (msg->len >= 2) {
|
||||
/* parse LAPD payload length */
|
||||
if (msg->data[0] != 0)
|
||||
fprintf(stderr, "Suspicious header byte 0: 0x%02x\n",
|
||||
msg->data[0]);
|
||||
|
||||
sh->rxmsg_bytes_missing = msg->data[0] << 8;
|
||||
sh->rxmsg_bytes_missing += msg->data[1];
|
||||
|
||||
if (sh->rxmsg_bytes_missing < LAPD_HDR_LEN -2)
|
||||
fprintf(stderr, "Invalid length in hdr: %u\n",
|
||||
sh->rxmsg_bytes_missing);
|
||||
}
|
||||
} else {
|
||||
/* try to read as many of the missing bytes as are available */
|
||||
rc = read(sh->fd.fd, msg->tail, sh->rxmsg_bytes_missing);
|
||||
if (rc < 0) {
|
||||
perror("ERROR reading from serial port");
|
||||
msgb_free(msg);
|
||||
return rc;
|
||||
}
|
||||
msgb_put(msg, rc);
|
||||
sh->rxmsg_bytes_missing -= rc;
|
||||
|
||||
if (sh->rxmsg_bytes_missing == 0) {
|
||||
/* we have one complete message now */
|
||||
sh->rx_msg = NULL;
|
||||
|
||||
if (msg->len > LAPD_HDR_LEN)
|
||||
msg->l2h = msg->data + LAPD_HDR_LEN;
|
||||
|
||||
if (debug_mask & DMI) {
|
||||
fprintf(stdout, "RS232 RX: ");
|
||||
hexdump(msg->data, msg->len);
|
||||
}
|
||||
rc = handle_serial_msg(msg);
|
||||
}
|
||||
}
|
||||
|
||||
return rc;
|
||||
}
|
||||
|
||||
/* select.c callback */
|
||||
static int serial_fd_cb(struct bsc_fd *bfd, unsigned int what)
|
||||
{
|
||||
int rc = 0;
|
||||
|
||||
if (what & BSC_FD_READ)
|
||||
rc = handle_ser_read(bfd);
|
||||
|
||||
if (rc < 0)
|
||||
return rc;
|
||||
|
||||
if (what & BSC_FD_WRITE)
|
||||
rc = handle_ser_write(bfd);
|
||||
|
||||
return rc;
|
||||
}
|
||||
|
||||
int rs232_setup(const char *serial_port, unsigned int delay_ms)
|
||||
{
|
||||
int rc, serial_fd;
|
||||
struct termios tio;
|
||||
|
||||
serial_fd = open(serial_port, O_RDWR);
|
||||
if (serial_fd < 0) {
|
||||
perror("cannot open serial port:");
|
||||
return serial_fd;
|
||||
}
|
||||
|
||||
/* set baudrate */
|
||||
rc = tcgetattr(serial_fd, &tio);
|
||||
if (rc < 0) {
|
||||
perror("tcgetattr()");
|
||||
return rc;
|
||||
}
|
||||
cfsetispeed(&tio, B19200);
|
||||
cfsetospeed(&tio, B19200);
|
||||
tio.c_cflag |= (CREAD | CLOCAL | CS8);
|
||||
tio.c_cflag &= ~(PARENB | CSTOPB | CSIZE | CRTSCTS);
|
||||
tio.c_lflag &= ~(ICANON | ECHO | ECHOE | ISIG);
|
||||
tio.c_iflag |= (INPCK | ISTRIP);
|
||||
tio.c_iflag &= ~(ISTRIP | IXON | IXOFF | IGNBRK | INLCR | ICRNL | IGNCR);
|
||||
tio.c_oflag &= ~(OPOST);
|
||||
rc = tcsetattr(serial_fd, TCSADRAIN, &tio);
|
||||
if (rc < 0) {
|
||||
perror("tcsetattr()");
|
||||
return rc;
|
||||
}
|
||||
|
||||
INIT_LLIST_HEAD(&ser_handle->tx_queue);
|
||||
ser_handle->fd.fd = serial_fd;
|
||||
ser_handle->fd.when = BSC_FD_READ;
|
||||
ser_handle->fd.cb = serial_fd_cb;
|
||||
ser_handle->fd.data = ser_handle;
|
||||
ser_handle->delay_ms = delay_ms;
|
||||
rc = bsc_register_fd(&ser_handle->fd);
|
||||
if (rc < 0) {
|
||||
fprintf(stderr, "could not register FD: %s\n",
|
||||
strerror(rc));
|
||||
return rc;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
Loading…
Reference in New Issue