Improve transmission, receiving, and dumping of bearer capability IE (#11593)
git-svn-id: https://origsvn.digium.com/svn/libpri/branches/1.4@524 2fbb986a-6c06-0410-b554-c9c1f0a7f128
This commit is contained in:
Matthew Fredrickson
parent
ba46c5ca03
commit
160be09f76
47
libpri.h
47
libpri.h
@ -207,6 +207,52 @@
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#define PRI_LAYER_1_V120_RATE_ADAPT 0x28
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#define PRI_LAYER_1_X31_RATE_ADAPT 0x29
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/* Intermediate rates for V.110 */
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#define PRI_INT_RATE_8K 1
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#define PRI_INT_RATE_16K 2
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#define PRI_INT_RATE_32K 3
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/* Rate adaption for bottom 5 bits of rateadaption */
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#define PRI_RATE_USER_RATE_MASK 0x1F
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#define PRI_RATE_ADAPT_UNSPEC 0x00
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#define PRI_RATE_ADAPT_0K6 0x01
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#define PRI_RATE_ADAPT_1K2 0x02
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#define PRI_RATE_ADAPT_2K4 0x03
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#define PRI_RATE_ADAPT_3K6 0x04
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#define PRI_RATE_ADAPT_4K8 0x05
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#define PRI_RATE_ADAPT_7K2 0x06
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#define PRI_RATE_ADAPT_8K 0x07
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#define PRI_RATE_ADAPT_9K6 0x08
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#define PRI_RATE_ADAPT_14K4 0x09
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#define PRI_RATE_ADAPT_16K 0x0A
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#define PRI_RATE_ADAPT_19K2 0x0B
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#define PRI_RATE_ADAPT_32K 0x0C
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#define PRI_RATE_ADAPT_38K4 0x0D
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#define PRI_RATE_ADAPT_48K 0x0E
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#define PRI_RATE_ADAPT_56K 0x0F
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#define PRI_RATE_ADAPT_57K6 0x12
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#define PRI_RATE_ADAPT_28K8 0x13
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#define PRI_RATE_ADAPT_24K 0x14
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#define PRI_RATE_ADAPT_0K1345 0x15
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#define PRI_RATE_ADAPT_0K1 0x16
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#define PRI_RATE_ADAPT_0K075_1K2 0x17
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#define PRI_RATE_ADAPT_1K2_0K075 0x18
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#define PRI_RATE_ADAPT_0K05 0x19
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#define PRI_RATE_ADAPT_0K075 0x1A
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#define PRI_RATE_ADAPT_0K110 0x1B
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#define PRI_RATE_ADAPT_0K150 0x1C
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#define PRI_RATE_ADAPT_0K200 0x1D
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#define PRI_RATE_ADAPT_0K300 0x1E
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#define PRI_RATE_ADAPT_12K 0x1F
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/* in-band negotiation flag for rateadaption bit 5 */
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#define PRI_RATE_ADAPT_NEGOTIATION_POSS 0x20
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/* async flag for rateadaption bit 6 */
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#define PRI_RATE_ADAPT_ASYNC 0x40
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/* Notifications */
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#define PRI_NOTIFY_USER_SUSPENDED 0x00 /* User suspended */
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#define PRI_NOTIFY_USER_RESUMED 0x01 /* User resumed */
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@ -516,6 +562,7 @@ extern struct timeval *pri_schedule_next(struct pri *pri);
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/* Run any pending schedule events */
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extern pri_event *pri_schedule_run(struct pri *pri);
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extern pri_event *pri_schedule_run_tv(struct pri *pri, const struct timeval *now);
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extern int pri_call(struct pri *pri, q931_call *c, int transmode, int channel,
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int exclusive, int nonisdn, char *caller, int callerplan, char *callername, int callerpres,
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240
q931.c
240
q931.c
@ -543,12 +543,12 @@ static char *mode2str(int mode)
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static char *l12str(int proto)
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{
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static struct msgtype protos[] = {
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{ PRI_LAYER_1_ITU_RATE_ADAPT, "ITU Rate Adaption" },
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{ PRI_LAYER_1_ITU_RATE_ADAPT, "V.110 Rate Adaption" },
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{ PRI_LAYER_1_ULAW, "u-Law" },
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{ PRI_LAYER_1_ALAW, "A-Law" },
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{ PRI_LAYER_1_G721, "G.721 ADPCM" },
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{ PRI_LAYER_1_G722_G725, "G.722/G.725 7kHz Audio" },
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{ PRI_LAYER_1_H223_H245, "H.223 and H.245" }, /* Recommendation Q.931(05/98) page 60) */
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{ PRI_LAYER_1_H223_H245, "H.223/H.245 Multimedia" },
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{ PRI_LAYER_1_NON_ITU_ADAPT, "Non-ITU Rate Adaption" },
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{ PRI_LAYER_1_V120_RATE_ADAPT, "V.120 Rate Adaption" },
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{ PRI_LAYER_1_X31_RATE_ADAPT, "X.31 Rate Adaption" },
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@ -559,7 +559,7 @@ static char *l12str(int proto)
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static char *ra2str(int proto)
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{
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static struct msgtype protos[] = {
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{ RATE_ADAPT_56K, "from 56kbps" },
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{ PRI_RATE_ADAPT_9K6, "9.6 kbit/s" },
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};
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return code2str(proto, protos, sizeof(protos) / sizeof(protos[0]));
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}
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@ -580,32 +580,143 @@ static char *l32str(int proto)
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return code2str(proto, protos, sizeof(protos) / sizeof(protos[0]));
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}
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static char *int_rate2str(int proto)
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{
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static struct msgtype protos[] = {
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{ PRI_INT_RATE_8K, "8 kbit/s" },
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{ PRI_INT_RATE_16K, "16 kbit/s" },
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{ PRI_INT_RATE_32K, "32 kbit/s" },
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};
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return code2str(proto, protos, sizeof(protos) / sizeof(protos[0]));
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}
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static FUNC_DUMP(dump_bearer_capability)
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{
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int pos=2;
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pri_message(pri, "%c Bearer Capability (len=%2d) [ Ext: %d Q.931 Std: %d Info transfer capability: %s (%d)\n",
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prefix, len, (ie->data[0] & 0x80 ) >> 7, (ie->data[0] & 0x60) >> 5, cap2str(ie->data[0] & 0x1f), (ie->data[0] & 0x1f));
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pri_message(pri, "%c Ext: %d Trans mode/rate: %s (%d)\n", prefix, (ie->data[1] & 0x80) >> 7, mode2str(ie->data[1] & 0x7f), ie->data[1] & 0x7f);
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/* octet 4.1 exists iff mode/rate is multirate */
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if ((ie->data[1] & 0x7f) == 0x18) {
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pri_message(pri, "%c Ext: %d Transfer rate multiplier: %d x 64\n", prefix, (ie->data[2] & 0x80) >> 7, ie->data[2] & 0x7f);
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pos++;
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}
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/* Stop here if no more */
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if (pos >= len - 2)
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return;
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if ((ie->data[1] & 0x7f) != TRANS_MODE_PACKET) {
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/* Look for octets 5 and 5.a if present */
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pri_message(pri, "%c Ext: %d User information layer 1: %s (%d)\n", prefix, (ie->data[pos] >> 7), l12str(ie->data[pos] & 0x7f), ie->data[pos] & 0x7f);
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if ((ie->data[pos] & 0x7f) == PRI_LAYER_1_ITU_RATE_ADAPT)
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pri_message(pri, "%c Ext: %d Rate adaptatation: %s (%d)\n", prefix, ie->data[pos] >> 7, ra2str(ie->data[pos] & 0x7f), ie->data[pos] & 0x7f);
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/* don't count the IE num and length as part of the data */
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len -= 2;
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/* Look for octet 5; this is identified by bits 5,6 == 01 */
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if (pos < len &&
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(ie->data[pos] & 0x60) == 0x20) {
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/* although the layer1 is only the bottom 5 bits of the byte,
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previous versions of this library passed bits 5&6 through
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too, so we have to do the same for binary compatability */
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u_int8_t layer1 = ie->data[pos] & 0x7f;
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pri_message(pri, "%c User information layer 1: %s (%d)\n",
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prefix, l12str(layer1), layer1);
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pos++;
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} else {
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/* Look for octets 6 and 7 but not 5 and 5.a */
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pri_message(pri, "%c Ext: %d User information layer 2: %s (%d)\n", prefix, ie->data[pos] >> 7, l22str(ie->data[pos] & 0x7f), ie->data[pos] & 0x7f);
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/* octet 5a? */
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if (pos < len && !(ie->data[pos-1] & 0x80)) {
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int ra = ie->data[pos] & 0x7f;
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pri_message(pri, "%c Async: %d, Negotiation: %d, "
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"User rate: %s (%#x)\n",
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prefix,
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ra & PRI_RATE_ADAPT_ASYNC ? 1 : 0,
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ra & PRI_RATE_ADAPT_NEGOTIATION_POSS ? 1 : 0,
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ra2str(ra & PRI_RATE_USER_RATE_MASK),
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ra & PRI_RATE_USER_RATE_MASK);
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pos++;
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}
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/* octet 5b? */
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if (pos < len && !(ie->data[pos-1] & 0x80)) {
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u_int8_t data = ie->data[pos];
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if (layer1 == PRI_LAYER_1_ITU_RATE_ADAPT) {
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pri_message(pri, "%c Intermediate rate: %s (%d), "
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"NIC on Tx: %d, NIC on Rx: %d, "
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"Flow control on Tx: %d, "
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"Flow control on Rx: %d\n",
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prefix, int_rate2str((data & 0x60)>>5),
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(data & 0x60)>>5,
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(data & 0x10)?1:0,
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(data & 0x08)?1:0,
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(data & 0x04)?1:0,
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(data & 0x02)?1:0);
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} else if (layer1 == PRI_LAYER_1_V120_RATE_ADAPT) {
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pri_message(pri, "%c Hdr: %d, Multiframe: %d, Mode: %d, "
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"LLI negot: %d, Assignor: %d, "
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"In-band neg: %d\n", prefix,
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(data & 0x40)?1:0,
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(data & 0x20)?1:0,
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(data & 0x10)?1:0,
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(data & 0x08)?1:0,
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(data & 0x04)?1:0,
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(data & 0x02)?1:0);
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} else {
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pri_message(pri, "%c Unknown octet 5b: 0x%x\n", data );
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}
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pos++;
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}
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/* octet 5c? */
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if (pos < len && !(ie->data[pos-1] & 0x80)) {
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u_int8_t data = ie->data[pos];
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const char *stop_bits[] = {"?","1","1.5","2"};
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const char *data_bits[] = {"?","5","7","8"};
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const char *parity[] = {"Odd","?","Even","None",
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"zero","one","?","?"};
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pri_message(pri, "%c Stop bits: %s, data bits: %s, "
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"parity: %s\n", prefix,
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stop_bits[(data & 0x60) >> 5],
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data_bits[(data & 0x18) >> 3],
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parity[(data & 0x7)]);
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pos++;
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}
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/* octet 5d? */
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if (pos < len && !(ie->data[pos-1] & 0x80)) {
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u_int8_t data = ie->data[pos];
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pri_message(pri, "%c Duplex mode: %d, modem type: %d\n",
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prefix, (data & 0x40) ? 1 : 0,data & 0x3F);
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pos++;
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}
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}
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/* Look for octet 6; this is identified by bits 5,6 == 10 */
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if (pos < len &&
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(ie->data[pos] & 0x60) == 0x40) {
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pri_message(pri, "%c User information layer 2: %s (%d)\n",
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prefix, l22str(ie->data[pos] & 0x1f),
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ie->data[pos] & 0x1f);
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pos++;
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pri_message(pri, "%c Ext: %d User information layer 3: %s (%d)\n", prefix, ie->data[pos] >> 7, l32str(ie->data[pos] & 0x7f), ie->data[pos] & 0x7f);
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}
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/* Look for octet 7; this is identified by bits 5,6 == 11 */
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if (pos < len && (ie->data[pos] & 0x60) == 0x60) {
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pri_message(pri, "%c User information layer 3: %s (%d)\n",
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prefix, l32str(ie->data[pos] & 0x1f),
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ie->data[pos] & 0x1f);
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pos++;
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/* octets 7a and 7b? */
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if (pos + 1 < len && !(ie->data[pos-1] & 0x80) &&
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!(ie->data[pos] & 0x80)) {
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unsigned int proto;
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proto = ((ie->data[pos] & 0xF) << 4 ) |
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(ie->data[pos+1] & 0xF);
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pri_message(pri, "%c Network layer: 0x%x\n", prefix,
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proto );
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pos += 2;
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}
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}
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}
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@ -618,22 +729,44 @@ static FUNC_RECV(receive_bearer_capability)
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}
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call->transcapability = ie->data[0] & 0x1f;
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call->transmoderate = ie->data[1] & 0x7f;
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if (call->transmoderate == PRI_TRANS_CAP_AUDIO_4ESS)
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call->transmoderate = PRI_TRANS_CAP_3_1K_AUDIO;
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/* octet 4.1 exists iff mode/rate is multirate */
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if (call->transmoderate == TRANS_MODE_MULTIRATE) {
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call->transmultiple = ie->data[pos++] & 0x7f;
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}
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if (pos >= len - 2)
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return 0;
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if (call->transmoderate != TRANS_MODE_PACKET) {
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/* Look for octet 5; this is identified by bits 5,6 == 01 */
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if (pos < len &&
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(ie->data[pos] & 0x60) == 0x20 ) {
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/* although the layer1 is only the bottom 5 bits of the byte,
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previous versions of this library passed bits 5&6 through
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too, so we have to do the same for binary compatability */
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call->userl1 = ie->data[pos] & 0x7f;
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if (call->userl1 == PRI_LAYER_1_ITU_RATE_ADAPT) {
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call->rateadaption = ie->data[++pos] & 0x7f;
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}
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pos++;
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} else {
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/* Get 6 and 7 */
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call->userl2 = ie->data[pos++] & 0x7f;
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call->userl3 = ie->data[pos] & 0x7f;
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/* octet 5a? */
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if (pos < len && !(ie->data[pos-1] & 0x80)) {
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call->rateadaption = ie->data[pos] & 0x7f;
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pos++;
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}
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/* octets 5b through 5d? */
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while (pos < len && !(ie->data[pos-1] & 0x80)) {
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pos++;
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}
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}
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/* Look for octet 6; this is identified by bits 5,6 == 10 */
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if (pos < len &&
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(ie->data[pos] & 0x60) == 0x40) {
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call->userl2 = ie->data[pos++] & 0x1f;
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}
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/* Look for octet 7; this is identified by bits 5,6 == 11 */
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if (pos < len &&
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(ie->data[pos] & 0x60) == 0x60) {
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call->userl3 = ie->data[pos++] & 0x1f;
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}
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return 0;
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}
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@ -641,6 +774,7 @@ static FUNC_RECV(receive_bearer_capability)
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static FUNC_SEND(transmit_bearer_capability)
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{
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int tc;
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int pos;
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/* We are ready to transmit single IE only */
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if(order > 1)
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@ -660,34 +794,46 @@ static FUNC_SEND(transmit_bearer_capability)
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return 4;
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}
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if (pri->switchtype == PRI_SWITCH_ATT4ESS) {
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/* 4ESS uses a different trans capability for 3.1khz audio */
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if (tc == PRI_TRANS_CAP_3_1K_AUDIO)
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tc = PRI_TRANS_CAP_AUDIO_4ESS;
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}
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ie->data[0] = 0x80 | tc;
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ie->data[1] = call->transmoderate | 0x80;
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if ( (tc & PRI_TRANS_CAP_DIGITAL) && (pri->switchtype == PRI_SWITCH_EUROISDN_E1) &&
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(call->transmoderate == TRANS_MODE_PACKET) ) {
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pos = 2;
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/* octet 4.1 exists iff mode/rate is multirate */
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if (call->transmoderate == TRANS_MODE_MULTIRATE ) {
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ie->data[pos++] = call->transmultiple | 0x80;
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}
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if ((tc & PRI_TRANS_CAP_DIGITAL) && (pri->switchtype == PRI_SWITCH_EUROISDN_E1) &&
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(call->transmoderate == TRANS_MODE_PACKET)) {
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/* Apparently EuroISDN switches don't seem to like user layer 2/3 */
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return 4;
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}
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if (call->transmoderate != TRANS_MODE_PACKET) {
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/* If you have an AT&T 4ESS, you don't send any more info */
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if ((pri->switchtype != PRI_SWITCH_ATT4ESS) && (call->userl1 > -1)) {
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ie->data[2] = call->userl1 | 0x80; /* XXX Ext bit? XXX */
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ie->data[pos++] = call->userl1 | 0x80; /* XXX Ext bit? XXX */
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if (call->userl1 == PRI_LAYER_1_ITU_RATE_ADAPT) {
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ie->data[3] = call->rateadaption | 0x80;
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return 6;
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ie->data[pos++] = call->rateadaption | 0x80;
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}
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return 5;
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} else
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return 4;
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} else {
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ie->data[2] = 0x80 | call->userl2;
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ie->data[3] = 0x80 | call->userl3;
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return 6;
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}
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return pos + 2;
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}
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ie->data[pos++] = 0xa0 | (call->userl1 & 0x1f);
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if (call->userl1 == PRI_LAYER_1_ITU_RATE_ADAPT) {
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ie->data[pos-1] &= ~0x80; /* clear EXT bit in octet 5 */
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ie->data[pos++] = call->rateadaption | 0x80;
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}
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}
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if (call->userl2 != -1)
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ie->data[pos++] = 0xc0 | (call->userl2 & 0x1f);
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if (call->userl3 != -1)
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ie->data[pos++] = 0xe0 | (call->userl3 & 0x1f);
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return pos + 2;
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}
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char *pri_plan2str(int plan)
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@ -2800,6 +2946,8 @@ int q931_setup(struct pri *pri, q931_call *c, struct pri_sr *req)
|
||||
if (!req->userl1)
|
||||
req->userl1 = PRI_LAYER_1_ULAW;
|
||||
c->userl1 = req->userl1;
|
||||
c->userl2 = -1;
|
||||
c->userl3 = -1;
|
||||
c->ds1no = (req->channel & 0xff00) >> 8;
|
||||
c->ds1explicit = (req->channel & 0x10000) >> 16;
|
||||
req->channel &= 0xff;
|
||||
|
||||
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