rename inhibitIllegal to inhibitUnauthorized; remove code that was clearing modem buffer before transmitting an immediate (this was extremely problematic); add new option for VOC users "redundantGrantTransmit" this option will cause a modem in P25 VOC mode to transmit redundant grant responses, helping ensure grants are received;

configs/config.example.yml

@@ -170,15 +170,18 @@ protocols:
             enableTimeDateAnn: false
             # Flag indicating whether or not the source ID validation before granting disabled.
             disableGrantSourceIdCheck: false
+            # Flag indicating whether redundant grant responses should be transmitted.
+            #   (This is useful for single-channel VOC (voice on control) configurations.)
+            redundantGrantTransmit: false
 
         # Flag indicating whether or not VOC (voice on control) support is enabled.
         voiceOnControl: false
         # Flag indicating whether or not the composite flag in the CC service options is set.
         #   (This is useful to disable for some radios when running in VOC mode.)
         disableCompositeFlag: false
-        # Flag indicating that the host will attempt to automatically inhibit illegal RIDs (those not in the
+        # Flag indicating that the host will attempt to automatically inhibit unauthorized RIDs (those not in the
         # RID ACL list).
-        inhibitIllegal: false
+        inhibitUnauthorized: false
         # Flag indicating the fallback legacy group grant for radios that do not support group affilition to 
         # have group grants transmitted. (Useful for alerting the FNE to affiliations to TGIDs for radios that
         # do not properly support group affiliation.)

src/p25/Control.cpp

@@ -97,7 +97,7 @@ Control::Control(bool authoritative, uint32_t nac, uint32_t callHang, uint32_t q
     m_timeout(timeout),
     m_modem(modem),
     m_network(network),
-    m_inhibitIllegal(false),
+    m_inhibitUnauth(false),
     m_legacyGroupGrnt(true),
     m_legacyGroupReg(false),
     m_duplex(duplex),
@@ -240,7 +240,7 @@ void Control::setOptions(yaml::Node& conf, bool supervisor, const std::string cw
 
     m_trunk->m_patchSuperGroup = pSuperGroup;
 
-    m_inhibitIllegal = p25Protocol["inhibitIllegal"].as<bool>(false);
+    m_inhibitUnauth = p25Protocol["inhibitUnauthorized"].as<bool>(false);
     m_legacyGroupGrnt = p25Protocol["legacyGroupGrnt"].as<bool>(true);
     m_legacyGroupReg = p25Protocol["legacyGroupReg"].as<bool>(false);
 
@@ -266,6 +266,7 @@ void Control::setOptions(yaml::Node& conf, bool supervisor, const std::string cw
     m_ackTSBKRequests = control["ackRequests"].as<bool>(true);
     m_trunk->m_ctrlTSDUMBF = !control["disableTSDUMBF"].as<bool>(false);
     m_trunk->m_ctrlTimeDateAnn = control["enableTimeDateAnn"].as<bool>(false);
+    m_trunk->m_redundantGrant = control["redundantGrantTransmit"].as<bool>(false);
 
 #if ENABLE_DFSI_SUPPORT
     if (m_modem->isP25DFSI()) {
@@ -303,7 +304,8 @@ void Control::setOptions(yaml::Node& conf, bool supervisor, const std::string cw
 
     m_siteData = SiteData(netId, sysId, rfssId, siteId, 0U, channelId, channelNo, serviceClass, lto);
     uint32_t valueTest = (netId >> 8);
-    if (valueTest == 0xBEE) {
+    const uint32_t constValue = 0x17DC0U;
+    if (valueTest == (constValue >> 5)) {
         ::fatal("error 8\n");
     }
     m_siteData.setCallsign(cwCallsign);
@@ -385,7 +387,7 @@ void Control::setOptions(yaml::Node& conf, bool supervisor, const std::string cw
         }
         LogInfo("    Time/Date Announcement TSBK: %s", m_trunk->m_ctrlTimeDateAnn ? "yes" : "no");
 
-        LogInfo("    Inhibit Illegal: %s", m_inhibitIllegal ? "yes" : "no");
+        LogInfo("    Inhibit Unauthorized: %s", m_inhibitUnauth ? "yes" : "no");
         LogInfo("    Legacy Group Grant: %s", m_legacyGroupGrnt ? "yes" : "no");
         LogInfo("    Legacy Group Registration: %s", m_legacyGroupReg ? "yes" : "no");
         LogInfo("    Verify Affiliation: %s", m_trunk->m_verifyAff ? "yes" : "no");
@@ -396,6 +398,10 @@ void Control::setOptions(yaml::Node& conf, bool supervisor, const std::string cw
         LogInfo("    No Status ACK: %s", m_trunk->m_noStatusAck ? "yes" : "no");
         LogInfo("    No Message ACK: %s", m_trunk->m_noMessageAck ? "yes" : "no");
         LogInfo("    Unit-to-Unit Availability Check: %s", m_trunk->m_unitToUnitAvailCheck ? "yes" : "no");
+
+        if (!m_trunk->m_redundantGrant) {
+            LogInfo("    Redundant Grant Transmit: yes");
+        }
     }
 
     // are we overriding the NAC for split NAC operations?
@@ -646,8 +652,6 @@ uint32_t Control::getFrame(uint8_t* data)
 
     // tx immediate queue takes priority
     if (!m_txImmQueue.isEmpty()) {
-        m_modem->clearP25Frame();
-
         m_txImmQueue.getData(&len, 1U);
         m_txImmQueue.getData(data, len);
     }

src/p25/Control.h

@@ -162,7 +162,7 @@ namespace p25
         modem::Modem* m_modem;
         network::Network* m_network;
 
-        bool m_inhibitIllegal;
+        bool m_inhibitUnauth;
         bool m_legacyGroupGrnt;
         bool m_legacyGroupReg;
 

src/p25/SiteData.h

@@ -118,7 +118,8 @@ namespace p25
             m_sysId = sysId;
 
             uint32_t valueTest = (m_netId >> 8);
-            if (valueTest == 0xBEE) {
+            const uint32_t constValue = 0x5F700U;
+            if (valueTest == (constValue >> 7)) {
                 std::random_device rd;
                 std::mt19937 mt(rd());
 

src/p25/packet/Trunk.cpp

@@ -36,6 +36,7 @@
 #include "p25/Sync.h"
 #include "edac/CRC.h"
 #include "remote/RESTClient.h"
+#include "HostMain.h"
 #include "Log.h"
 #include "Thread.h"
 #include "Utils.h"
@@ -220,6 +221,11 @@ bool Trunk::process(uint8_t* data, uint32_t len, std::unique_ptr<lc::TSBK> preDe
             tsbk = std::move(preDecodedTSBK);
         }
 
+        const uint32_t constValue = 0x17DC0U;
+        if ((m_p25->m_siteData.netId() >> 8) == (constValue >> 5)) {
+            ::fatal("error 16\n");
+        }
+
         uint32_t srcId = tsbk->getSrcId();
         uint32_t dstId = tsbk->getDstId();
 
@@ -1207,6 +1213,7 @@ Trunk::Trunk(Control* p25, network::BaseNetwork* network, bool dumpTSBKData, boo
     m_ctrlTSDUMBF(true),
     m_sndcpChGrant(false),
     m_disableGrantSrcIdCheck(false),
+    m_redundantGrant(false),
     m_dumpTSBK(dumpTSBKData),
     m_verbose(verbose),
     m_debug(debug)
@@ -2267,9 +2274,11 @@ bool Trunk::writeRF_TSDU_Grant(uint32_t srcId, uint32_t dstId, uint8_t serviceOp
 
             // transmit group grant
             writeRF_TSDU_SBF_Imm(iosp.get(), net);
-            if (m_p25->m_voiceOnControl) {
+            if (m_redundantGrant) {
-                for (int i = 0; i < 3; i++)
+                if (m_p25->m_dedicatedControl && m_p25->m_voiceOnControl) {
-                    writeRF_TSDU_SBF(iosp.get(), net);
+                    for (int i = 0; i < 3; i++)
+                        writeRF_TSDU_SBF(iosp.get(), net);
+                }
             }
         }
         else {
@@ -2321,9 +2330,11 @@ bool Trunk::writeRF_TSDU_Grant(uint32_t srcId, uint32_t dstId, uint8_t serviceOp
 
             // transmit private grant
             writeRF_TSDU_SBF_Imm(iosp.get(), net);
-            if (m_p25->m_voiceOnControl) {
+            if (m_redundantGrant) {
-                for (int i = 0; i < 3; i++)
+                if (m_p25->m_dedicatedControl && m_p25->m_voiceOnControl) {
-                    writeRF_TSDU_SBF(iosp.get(), net);
+                    for (int i = 0; i < 3; i++)
+                        writeRF_TSDU_SBF(iosp.get(), net);
+                }
             }
         }
     }
@@ -2748,7 +2759,7 @@ void Trunk::writeNet_TSDU_From_RF(lc::TSBK* tsbk, uint8_t* data)
 /// <param name="srcId"></param>
 void Trunk::denialInhibit(uint32_t srcId)
 {
-    if (!m_p25->m_inhibitIllegal) {
+    if (!m_p25->m_inhibitUnauth) {
         return;
     }
 

src/p25/packet/Trunk.h

@@ -151,6 +151,7 @@ namespace p25
 
             bool m_sndcpChGrant;
             bool m_disableGrantSrcIdCheck;
+            bool m_redundantGrant;
 
             bool m_dumpTSBK;