Version 0.3.0 from FTP
git-svn-id: https://origsvn.digium.com/svn/libpri/trunk@21 2fbb986a-6c06-0410-b554-c9c1f0a7f128
This commit is contained in:
Mark Spencer
parent
455227676a
commit
a68a6bd01d
128
q921.c
128
q921.c
@ -82,7 +82,6 @@ static int q921_transmit(struct pri *pri, q921_h *h, int len) {
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return 0;
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}
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static void q921_send_ua(struct pri *pri, int pfbit)
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{
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q921_h h;
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@ -115,8 +114,8 @@ static void q921_send_sabme(void *vpri)
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pri->sabme_timer = 0;
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pri->sabme_timer = pri_schedule_event(pri, T_200, q921_send_sabme, pri);
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Q921_INIT(h);
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h.u.m3 = 3; /* M3 = 3 */
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h.u.m2 = 3; /* M2 = 3 */
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h.u.m3 = 3; /* M3 = 3 */
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h.u.m2 = 3; /* M2 = 3 */
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h.u.p_f = 1; /* Poll bit set */
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h.u.ft = Q921_FRAMETYPE_U;
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switch(pri->localtype) {
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@ -134,7 +133,6 @@ static void q921_send_sabme(void *vpri)
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printf("Sending Set Asynchronous Balanced Mode Extended\n");
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q921_transmit(pri, &h, 3);
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pri->q921_state = Q921_AWAITING_ESTABLISH;
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}
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static int q921_ack_packet(struct pri *pri, int num)
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@ -177,7 +175,7 @@ static void q921_ack_rx(struct pri *pri, int ack)
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cnt += q921_ack_packet(pri, x);
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if (!pri->txqueue) {
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if (pri->debug & PRI_DEBUG_Q921_STATE)
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printf("-- Since there wis nothing left, stopping T200 counter\n");
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printf("-- Since there was nothing left, stopping T200 counter\n");
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/* Something was ACK'd. Stop T200 counter */
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pri_schedule_del(pri, pri->t200_timer);
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pri->t200_timer = 0;
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@ -202,6 +200,31 @@ static void q921_ack_rx(struct pri *pri, int ack)
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}
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}
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static void q921_reject(struct pri *pri)
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{
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q921_h h;
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Q921_INIT(h);
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h.s.x0 = 0; /* Always 0 */
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h.s.ss = 2; /* Reject */
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h.s.ft = 1; /* Frametype (01) */
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h.s.n_r = pri->v_r; /* Where to start retransmission */
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h.s.p_f = 1; /* XXX Should it always be set to 1? XXX */
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switch(pri->localtype) {
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case PRI_NETWORK:
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h.h.c_r = 0;
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break;
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case PRI_CPE:
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h.h.c_r = 1;
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break;
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default:
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fprintf(stderr, "Don't know how to U/A on a type %d node\n", pri->localtype);
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return;
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}
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if (pri->debug & PRI_DEBUG_Q921_STATE)
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printf("Sending Reject (%d)\n", pri->v_r);
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q921_transmit(pri, &h, 4);
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}
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static void q921_rr(struct pri *pri, int pbit) {
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q921_h h;
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Q921_INIT(h);
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@ -329,7 +352,7 @@ static void t203_expire(void *vpri)
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{
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struct pri *pri = vpri;
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if (pri->debug & PRI_DEBUG_Q921_STATE)
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printf("T203 counter expired, sending RR and scheduling t203 again\n");
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printf("T203 counter expired, sending RR and scheduling T203 again\n");
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/* Solicit an F-bit in the other's RR */
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pri->solicitfbit = 1;
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q921_rr(pri, 1);
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@ -365,7 +388,7 @@ static pri_event *q921_handle_iframe(struct pri *pri, q921_i *i, int len)
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/* It's within our window -- send back an RR */
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q921_rr(pri, 0);
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} else
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fprintf(stderr, "XXX I need to reject (expected %d, got %d) XXX\n", pri->v_r, i->n_s);
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q921_reject(pri);
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#if 0
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q931_reject(pri);
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#endif
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@ -376,37 +399,41 @@ static pri_event *q921_handle_iframe(struct pri *pri, q921_i *i, int len)
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void q921_dump(q921_h *h, int len, int showraw, int txrx)
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{
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int x;
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char *type;
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char direction_tag;
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direction_tag = txrx ? '>' : '<';
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if (showraw) {
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printf("%c [", (txrx ? '>' : '<'));
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printf("\n%c [", direction_tag);
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for (x=0;x<len;x++)
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printf("%02x ",h->raw[x]);
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printf("]\n");
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printf("]");
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}
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switch(h->h.data[0] & Q921_FRAMETYPE_MASK) {
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switch (h->h.data[0] & Q921_FRAMETYPE_MASK) {
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case 0:
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case 2:
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printf("\n Informational Frame:\n");
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printf("\n%c Informational frame:\n", direction_tag);
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break;
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case 1:
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printf("\n Supervisory frame:\n");
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printf("\n%c Supervisory frame:\n", direction_tag);
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break;
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case 3:
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printf("\n Unnumbered frame:\n");
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printf("\n%c Unnumbered frame:\n", direction_tag);
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break;
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}
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printf(
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"%c SAPI: %02d C/R: %d EA: %d\n"
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"%c TEI: %03d EA: %d\n",
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(txrx ? '>' : '<'),
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direction_tag,
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h->h.sapi,
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h->h.c_r,
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h->h.ea1,
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(txrx ? '>' : '<'),
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direction_tag,
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h->h.tei,
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h->h.ea2);
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switch(h->h.data[0] & Q921_FRAMETYPE_MASK) {
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switch (h->h.data[0] & Q921_FRAMETYPE_MASK) {
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case 0:
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case 2:
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/* Informational frame */
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@ -414,42 +441,85 @@ void q921_dump(q921_h *h, int len, int showraw, int txrx)
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"%c N(S): %03d 0: %d\n"
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"%c N(R): %03d P: %d\n"
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"%c %d bytes of data\n",
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(txrx ? '>' : '<'),
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direction_tag,
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h->i.n_s,
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h->i.ft,
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(txrx ? '>' : '<'),
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direction_tag,
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h->i.n_r,
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h->i.p_f,
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(txrx ? '>' : '<'),
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direction_tag,
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len - 4);
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break;
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case 1:
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/* Supervisory frame */
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type = "???";
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switch (h->s.ss) {
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case 0:
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type = "RR (receive ready)";
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break;
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case 1:
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type = "RNR (receive not ready)";
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break;
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case 2:
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type = "REJ (reject)";
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break;
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}
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printf(
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"%c Zeros: %d S: %d 01: %d\n"
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"%c N(R): %03d P/F: %d\n"
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"%c Zero: %d S: %d 01: %d [ %s ]\n"
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"%c N(R): %03d P/F: %d\n"
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"%c %d bytes of data\n",
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(txrx ? '>' : '<'),
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direction_tag,
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h->s.x0,
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h->s.ss,
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h->s.ft,
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(txrx ? '>' : '<'),
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type,
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direction_tag,
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h->s.n_r,
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h->s.p_f,
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(txrx ? '>' : '<'),
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direction_tag,
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len - 4);
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break;
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case 3:
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case 3:
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/* Unnumbered frame */
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type = "???";
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if (h->u.ft == 3) {
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switch (h->u.m3) {
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case 0:
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if (h->u.m2 == 3)
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type = "DM (disconnect mode)";
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else if (h->u.m2 == 0)
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type = "UI (unnumbered information)";
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break;
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case 2:
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if (h->u.m2 == 0)
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type = "DISC (disconnect)";
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break;
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case 3:
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if (h->u.m2 == 3)
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type = "SABME (set asynchronous balanced mode extended)";
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else if (h->u.m2 == 0)
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type = "UA (unnumbered acknowledgement)";
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break;
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case 4:
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if (h->u.m2 == 1)
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type = "FRMR (frame reject)";
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break;
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case 5:
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if (h->u.m2 == 3)
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type = "XID (exchange identification note)";
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break;
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}
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}
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printf(
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"%c M3: %d P/F: %d M2: %d 11: %d\n"
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"%c M3: %d P/F: %d M2: %d 11: %d [ %s ]\n"
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"%c %d bytes of data\n",
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(txrx ? '>' : '<'),
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direction_tag,
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h->u.m3,
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h->u.p_f,
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h->u.m2,
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h->u.ft,
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(txrx ? '>' : '<'),
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type,
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direction_tag,
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len - 3);
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break;
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};
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@ -509,7 +579,7 @@ void q921_reset(struct pri *pri)
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pri_event *q921_receive(struct pri *pri, q921_h *h, int len)
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{
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q921_frame *f;
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q921_frame *f;
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/* Discard FCS */
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len -= 2;
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