Merge pull request #224 from PikalaxALT/doc_link_rfu

Document link_rfu_*.c

5 files changed, 156 insertions, 153 deletions

diff --git a/src/link.c b/src/link.c
index 7be93026b..04313bade 100644
--- a/src/link.c
+++ b/src/link.c
@@ -234,8 +234,8 @@ bool8 IsWirelessAdapterConnected(void)
 
     sub_800B1F4();
     sub_80F86F4();
-    sub_80FB128(1);
-    if (sub_80FD3A4() == 0x8001)
+    sub_80FB128(TRUE);
+    if (sub_80FD3A4() == RFU_ID)
     {
         rfu_REQ_stopMode();
         rfu_waitREQComplete();
diff --git a/src/link_rfu.c b/src/link_rfu.c
index 0d6e14551..8ab76ffd5 100644
--- a/src/link_rfu.c
+++ b/src/link_rfu.c
@@ -22,7 +22,7 @@ static void sub_80FEAF4(void);
 u32 sub_80FD3A4(void)
 {
     u32 id = rfu_REQBN_softReset_and_checkID();
-    if (id == 0x8001)
+    if (id == RFU_ID)
         gUnknown_3005E10.unk_08 = 1;
     if (gUnknown_3005E10.unk_04 != 0x17 && gUnknown_3005E10.unk_04 != 0x01)
     {
@@ -123,7 +123,7 @@ u8 sub_80FD538(u8 r5, u16 r7, u16 r8, const u16 *r6)
         sub_80FE7F0(0xf3, 0x01);
         return 1;
     }
-    if (!rfu_getMasterSlave())
+    if (rfu_getMasterSlave() == AGB_CLK_SLAVE)
     {
         gUnknown_3005E10.unk_14 = 2;
         sub_80FE7F0(0xf3, 0x01);
@@ -181,7 +181,7 @@ u8 sub_80FD610(u16 parentId, u16 unk_1a)
         sub_80FE7F0(0xF3, 0x01);
         return 1;
     }
-    if (!rfu_getMasterSlave())
+    if (rfu_getMasterSlave() == AGB_CLK_SLAVE)
     {
         gUnknown_3005E10.unk_14 = 2;
         sub_80FE7F0(0xF3, 0x01);
@@ -449,12 +449,12 @@ void sub_80FDA30(u32 a0)
                 switch (gUnknown_3005E10.unk_04)
                 {
                 case 23:
-                    r2 = sub_80FD3A4() == 0x8001 ? 0x44 : 0xFF;
+                    r2 = sub_80FD3A4() == RFU_ID ? 0x44 : 0xFF;
                     gUnknown_3005E10.unk_04 = gUnknown_3005E10.unk_05 = 0;
                     sub_80FE7F0(r2, 0);
                     break;
                 case 1:
-                    if (sub_80FD3A4() == 0x8001)
+                    if (sub_80FD3A4() == RFU_ID)
                     {
                         gUnknown_3005E10.unk_04 = gUnknown_3005E10.unk_05;
                         gUnknown_3005E10.unk_05 = 3;
@@ -469,10 +469,10 @@ void sub_80FDA30(u32 a0)
                     rfu_REQ_reset();
                     break;
                 case 3:
-                    rfu_REQ_configSystem(gUnknown_3005E10.unk_3c->unk_02, gUnknown_3005E10.unk_3c->unk_00, gUnknown_3005E10.unk_3c->unk_01);
+                    rfu_REQ_configSystem(gUnknown_3005E10.unk_3c->availSlotFlag, gUnknown_3005E10.unk_3c->maxMFrame, gUnknown_3005E10.unk_3c->mcTimer);
                     break;
                 case 4:
-                    rfu_REQ_configGameData(gUnknown_3005E10.unk_3c->unk_04, gUnknown_3005E10.unk_3c->unk_06, (const u8 *)gUnknown_3005E10.unk_3c->unk_08, gUnknown_3005E10.unk_3c->unk_0c);
+                    rfu_REQ_configGameData(gUnknown_3005E10.unk_3c->mbootFlag, gUnknown_3005E10.unk_3c->serialNo, (const u8 *)gUnknown_3005E10.unk_3c->gname, gUnknown_3005E10.unk_3c->uname);
                     break;
                 case 5:
                     rfu_REQ_startSearchChild();
@@ -579,7 +579,7 @@ static void sub_80FDC28(u32 a0)
     }
 }
 
-static void sub_80FDC98(u16 r8, u16 r6)
+static void sub_80FDC98(u16 reqCommandId, u16 reqResult)
 {
     u8 sp0;
     register u8 *stwiRecvBuffer asm("r0");
@@ -589,44 +589,44 @@ static void sub_80FDC98(u16 r8, u16 r6)
     if (gUnknown_3005E10.unk_0e != 0)
     {
         gUnknown_3005E10.unk_0e = 0;
-        switch (r8)
+        switch (reqCommandId)
         {
-        case 16:
-            if (r6 == 0)
+        case ID_RESET_REQ:
+            if (reqResult == 0)
             {
                 gUnknown_3005E10.unk_04 = gUnknown_3005E10.unk_05;
                 gUnknown_3005E10.unk_05 = 4;
             }
             break;
-        case 23:
-            if (r6 == 0)
+        case ID_SYSTEM_CONFIG_REQ:
+            if (reqResult == 0)
             {
                 gUnknown_3005E10.unk_04 = gUnknown_3005E10.unk_05;
                 gUnknown_3005E10.unk_05 = 0;
             }
             break;
-        case 22:
-            if (r6 == 0)
+        case ID_GAME_CONFIG_REQ:
+            if (reqResult == 0)
             {
                 gUnknown_3005E10.unk_04 = gUnknown_3005E10.unk_05 = 0;
                 sub_80FE7F0(0x00, 0x00);
             }
             break;
-        case 25:
-            if (r6 == 0)
+        case ID_SC_START_REQ:
+            if (reqResult == 0)
             {
                 gUnknown_3005E10.unk_04 = gUnknown_3005E10.unk_05 = 6;
             }
             break;
-        case 26:
+        case ID_SC_POLL_REQ:
             if (gUnknown_3005E10.unk_1a && --gUnknown_3005E10.unk_1a == 0)
             {
                 gUnknown_3005E10.unk_04 = 7;
                 gUnknown_3005E10.unk_05 = 8;
             }
             break;
-        case 27:
-            if (r6 == 0)
+        case ID_SC_END_REQ:
+            if (reqResult == 0)
             {
                 gUnknown_3005E10.unk_04 = gUnknown_3005E10.unk_05;
                 gUnknown_3005E10.unk_05 = 0;
@@ -636,8 +636,8 @@ static void sub_80FDC98(u16 r8, u16 r6)
                 }
             }
             break;
-        case 28:
-            if (r6 == 0)
+        case ID_SP_START_REQ:
+            if (reqResult == 0)
             {
                 if (gUnknown_3005E10.unk_0b == 1 && gUnknown_3005E10.unk_1a > 1)
                 {
@@ -646,8 +646,8 @@ static void sub_80FDC98(u16 r8, u16 r6)
                 gUnknown_3005E10.unk_04 = gUnknown_3005E10.unk_05 = 10;
             }
             break;
-        case 29:
-            if (r6 == 0)
+        case ID_SP_POLL_REQ:
+            if (reqResult == 0)
             {
                 sp0 = sub_80FE778();
                 gUnknown_3005E10.unk_14 = sp0;
@@ -669,8 +669,8 @@ static void sub_80FDC98(u16 r8, u16 r6)
                 gUnknown_3005E10.unk_05 = 0;
             }
             break;
-        case 30:
-            if (r6 == 0)
+        case ID_SP_END_REQ:
+            if (reqResult == 0)
             {
                 gUnknown_3005E10.unk_04 = gUnknown_3005E10.unk_05;
                 if (gUnknown_3005E10.unk_07 == 0)
@@ -687,14 +687,14 @@ static void sub_80FDC98(u16 r8, u16 r6)
                 }
             }
             break;
-        case 31:
-            if (r6 == 0)
+        case ID_CP_START_REQ:
+            if (reqResult == 0)
             {
                 gUnknown_3005E10.unk_04 = gUnknown_3005E10.unk_05 = 13;
             }
             break;
-        case 32:
-            if (r6 == 0 && !rfu_getConnectParentStatus(&sp0, &gUnknown_3005E10.unk_10) && !sp0)
+        case ID_CP_POLL_REQ:
+            if (reqResult == 0 && !rfu_getConnectParentStatus(&sp0, &gUnknown_3005E10.unk_10) && !sp0)
             {
                 gUnknown_3005E10.unk_04 = 14;
             }
@@ -703,8 +703,8 @@ static void sub_80FDC98(u16 r8, u16 r6)
                 gUnknown_3005E10.unk_04 = 14;
             }
             break;
-        case 33:
-            if (r6 == 0 && !rfu_getConnectParentStatus(&sp0, &gUnknown_3005E10.unk_10))
+        case ID_CP_END_REQ:
+            if (reqResult == 0 && !rfu_getConnectParentStatus(&sp0, &gUnknown_3005E10.unk_10))
             {
                 if (!sp0)
                 {
@@ -728,8 +728,8 @@ static void sub_80FDC98(u16 r8, u16 r6)
                 gUnknown_3005E10.unk_1e = 0;
             }
             break;
-        case 50:
-            if (r6 == 0)
+        case ID_CPR_START_REQ:
+            if (reqResult == 0)
             {
                 gUnknown_3005E10.unk_14 = gRfuLinkStatus->linkLossSlotFlag;
                 gUnknown_3005E10.unk_04 = gUnknown_3005E10.unk_05 = 17;
@@ -742,8 +742,8 @@ static void sub_80FDC98(u16 r8, u16 r6)
                 }
             }
             break;
-        case 51:
-            if (r6 == 0 && !rfu_CHILD_getConnectRecoveryStatus(&sp0) && sp0 < 2)
+        case ID_CPR_POLL_REQ:
+            if (reqResult == 0 && !rfu_CHILD_getConnectRecoveryStatus(&sp0) && sp0 < 2)
             {
                 gUnknown_3005E10.unk_04 = 18;
             }
@@ -752,8 +752,8 @@ static void sub_80FDC98(u16 r8, u16 r6)
                 gUnknown_3005E10.unk_04 = 18;
             }
             break;
-        case 52:
-            if (r6 == 0 && !rfu_CHILD_getConnectRecoveryStatus(&sp0))
+        case ID_CPR_END_REQ:
+            if (reqResult == 0 && !rfu_CHILD_getConnectRecoveryStatus(&sp0))
             {
                 if (!sp0)
                 {
@@ -774,8 +774,8 @@ static void sub_80FDC98(u16 r8, u16 r6)
                 gUnknown_3005E10.unk_1e = 0;
             }
             break;
-        case 39:
-            if (r6 == 0)
+        case ID_MS_CHANGE_REQ:
+            if (reqResult == 0)
             {
                 if (gUnknown_3005E10.unk_05 == 22)
                 {
@@ -791,7 +791,7 @@ static void sub_80FDC98(u16 r8, u16 r6)
                     sub_80FE7F0(0x41, 0x00);
                     gUnknown_3005E10.unk_24 |= 1 << gUnknown_3005E10.unk_10;
                     gUnknown_3005E10.unk_28[gUnknown_3005E10.unk_10] = gUnknown_3005E10.unk_26;
-                    rfu_clearSlot(4, gUnknown_3005E10.unk_10);
+                    rfu_clearSlot(TYPE_NI_SEND, gUnknown_3005E10.unk_10);
                     tmp = &sp0;
                     *tmp = rfu_NI_CHILD_setSendGameName(gUnknown_3005E10.unk_10, 0x0e);
                     if (*tmp)
@@ -805,8 +805,8 @@ static void sub_80FDC98(u16 r8, u16 r6)
                 }
             }
             break;
-        case 61:
-            if (r6 == 0)
+        case ID_STOP_MODE_REQ:
+            if (reqResult == 0)
             {
                 gUnknown_3005E10.unk_04 = gUnknown_3005E10.unk_05 = 0;
                 sub_80FE7F0(0x42, 0x00);
@@ -815,7 +815,7 @@ static void sub_80FDC98(u16 r8, u16 r6)
         }
         gUnknown_3005E10.unk_0e = 1;
     }
-    else if (r6 == 3 && gUnknown_3005E10.unk_0f && (r8 == 0x24 || r8 == 0x26 || r8 == 0x27))
+    else if (reqResult == 3 && gUnknown_3005E10.unk_0f && (reqCommandId == ID_DATA_TX_REQ || reqCommandId == ID_DATA_RX_REQ || reqCommandId == ID_MS_CHANGE_REQ))
     {
         rfu_REQ_RFUStatus();
         rfu_waitREQComplete();
@@ -826,13 +826,13 @@ static void sub_80FDC98(u16 r8, u16 r6)
             stwiRecvBuffer[4] = gRfuLinkStatus->connSlotFlag;
             stwiRecvBuffer[5] = 1;
             sub_80FD850(0x29);
-            r6 = 0;
+            reqResult = 0;
         }
     }
-    switch (r8)
+    switch (reqCommandId)
     {
-    case 48:
-        if (r6 == 0)
+    case ID_DISCONNECT_REQ:
+        if (reqResult == 0)
         {
             stwiRecvBuffer = rfu_getSTWIRecvBuffer()->rxPacketAlloc.rfuPacket8.data;
             gUnknown_3005E10.unk_14 = stwiRecvBuffer[8];
@@ -891,32 +891,32 @@ static void sub_80FDC98(u16 r8, u16 r6)
             }
         }
         break;
-    case 38:
+    case ID_DATA_RX_REQ:
         sub_80FE6F0();
         if (gRfuLinkStatus->parentChild != MODE_NEUTRAL)
         {
             sub_80FE7F0(0x50, 0x00);
         }
         break;
-    case 16:
-    case 61:
-        if (r6 == 0)
+    case ID_RESET_REQ:
+    case ID_STOP_MODE_REQ:
+        if (reqResult == 0)
         {
             gUnknown_3005E10.unk_0d = 0;
             gUnknown_3005E10.unk_01 = 0;
             gUnknown_3005E10.unk_00 = 0;;
             gUnknown_3005E10.unk_06 = -1;
             sub_80FEAF4();
-            if (r8 == 61)
+            if (reqCommandId == 61)
             {
                 sub_80FD484();
             }
         }
         break;
     }
-    if (r6 != 0)
+    if (reqResult != 0)
     {
-        if (r8 == 28 && r6 != 0 && gUnknown_3005E10.unk_07 == 4)
+        if (reqCommandId == ID_SP_START_REQ && reqResult != 0 && gUnknown_3005E10.unk_07 == 4)
         {
             gRfuLinkStatus->parentChild = MODE_PARENT;
             gRfuLinkStatus->connSlotFlag = 0xF;
@@ -926,8 +926,8 @@ static void sub_80FDC98(u16 r8, u16 r6)
         }
         else
         {
-            gUnknown_3005E10.unk_14 = r8;
-            gUnknown_3005E10.unk_16 = r6;
+            gUnknown_3005E10.unk_14 = reqCommandId;
+            gUnknown_3005E10.unk_16 = reqResult;
             if (gUnknown_3005E10.unk_0e)
             {
                 gUnknown_3005E10.unk_04 = gUnknown_3005E10.unk_05 = 0;
@@ -936,7 +936,7 @@ static void sub_80FDC98(u16 r8, u16 r6)
             sub_80FEAF4();
         }
     }
-    if (r8 == 0xFF)
+    if (reqCommandId == ID_CLOCK_SLAVE_MS_CHANGE_ERROR_BY_DMA_REQ)
     {
         sub_80FE7F0(0xf2, 0x00);
         sub_80FEAF4();
@@ -1042,7 +1042,7 @@ static void sub_80FE418(void)
                 {
                     gUnknown_3005E10.unk_24 &= ~r4;
                     gUnknown_3005E10.unk_28[i] = 0;
-                    rfu_clearSlot(0x08, i);
+                    rfu_clearSlot(TYPE_NI_RECV, i);
                 }
                 if (r5 & 0x04)
                 {
@@ -1110,7 +1110,7 @@ static void sub_80FE63C(void)
         {
             sub_80FEB14();
             gUnknown_3005E10.unk_04 = 24;
-            rfu_clearSlot(4, gUnknown_3005E10.unk_10);
+            rfu_clearSlot(TYPE_NI_SEND, gUnknown_3005E10.unk_10);
             gUnknown_3005E10.unk_24 &= ~(1 << gUnknown_3005E10.unk_10);
             gUnknown_3005E10.unk_28[gUnknown_3005E10.unk_10] = 0;
         }
@@ -1137,7 +1137,7 @@ static void sub_80FE6F0(void)
     if (gUnknown_3005E10.unk_04 == 15 && gRfuSlotStatusNI[gUnknown_3005E10.unk_10]->send.state == SLOT_STATE_SEND_SUCCESS)
     {
         gUnknown_3005E10.unk_04 = gUnknown_3005E10.unk_05 = 0;
-        rfu_clearSlot(4, gUnknown_3005E10.unk_10);
+        rfu_clearSlot(TYPE_NI_SEND, gUnknown_3005E10.unk_10);
         gUnknown_3005E10.unk_24 &= ~(1 << gUnknown_3005E10.unk_10);
         gUnknown_3005E10.unk_28[gUnknown_3005E10.unk_10] = 0;
         sub_80FE7F0(0x24, 0x00);
@@ -1203,7 +1203,7 @@ static void sub_80FE83C(u8 a0)
         {
             if (gRfuSlotStatusNI[i]->send.state & SLOT_BUSY_FLAG && gRfuSlotStatusNI[i]->send.bmSlot & a0)
             {
-                rfu_changeSendTarget(0x20, i, gRfuSlotStatusNI[i]->send.bmSlot & ~a0);
+                rfu_changeSendTarget(TYPE_NI, i, gRfuSlotStatusNI[i]->send.bmSlot & ~a0);
             }
         }
     }
@@ -1253,7 +1253,7 @@ static void sub_80FE918(void)
                         }
                         if (flags)
                         {
-                            rfu_changeSendTarget(0x20, i, flags ^ gRfuSlotStatusNI[i]->send.bmSlot);
+                            rfu_changeSendTarget(TYPE_NI, i, flags ^ gRfuSlotStatusNI[i]->send.bmSlot);
                         }
                     }
                 }
diff --git a/src/link_rfu_2.c b/src/link_rfu_2.c
index a06e3bc9c..bda154544 100644
--- a/src/link_rfu_2.c
+++ b/src/link_rfu_2.c
@@ -21,16 +21,16 @@ struct UnkRfuStruct_8010A14{
     u8 fill_a0[0x5c];
 };
 
-static EWRAM_DATA struct UnkLinkRfuStruct_02022B2C gUnknown_203ABF0 = {};
+static EWRAM_DATA struct UnkLinkRfuStruct_02022B2C sRfuReqConfig = {};
 static EWRAM_DATA struct UnkLinkRfuStruct_02022B44 gUnknown_203AC08 = {};
 
 static struct RfuAPIBuffer gRfuAPIBuffer;
 static u8 gUnknown_3001FF8[14];
 static u16 gUnknown_3002008[7];
 
-struct GFtgtGname gUnknown_3005440;
+struct GFtgtGname gHostRFUtgtGnameBuffer;
 struct UnkRfuStruct_2 Rfu;
-u8 gUnknown_3005E00[PLAYER_NAME_LENGTH];
+u8 gHostRFUtgtUnameBuffer[PLAYER_NAME_LENGTH];
 
 static void sub_80F8AA4(void);
 static void sub_80F8AEC(void);
@@ -61,22 +61,25 @@ static void sub_80FC028(u8 taskId);
 static void sub_80FC208(void);
 static void nullsub_89(u8 taskId);
 
-static const struct UnkLinkRfuStruct_02022B2C gUnknown_843EBB4 = {
-    .unk_00 = 0x04,
-    .unk_01 = 0x20,
-    .unk_02 = 0x0000,
-    .unk_04 = 0x00,
-    .unk_06 = 0x0002,
-    .unk_08 = &gUnknown_3005440,
-    .unk_0c = gUnknown_3005E00,
+static const struct UnkLinkRfuStruct_02022B2C sRfuReqConfigTemplate = {
+    .maxMFrame = 4,
+    .mcTimer = 32,
+    .availSlotFlag = 0,
+    .mbootFlag = 0,
+    .serialNo = 0x0002,
+    .gname = &gHostRFUtgtGnameBuffer,
+    .uname = gHostRFUtgtUnameBuffer,
     .unk_10 = 0x01,
     .unk_11 = 0x00,
     .unk_12 = 0x0258,
     .unk_14 = 0x012c
 };
 
-static const u8 gUnknown_843EBCC[] = {
-    0, 3, 2, 1, 0
+static const u8 sAvailSlots[] = {
+    [1] = AVAIL_SLOT1,
+    [2] = AVAIL_SLOT2,
+    [3] = AVAIL_SLOT3,
+    [4] = AVAIL_SLOT4
 };
 
 static const u32 gUnknown_843EBD4[] = {
@@ -218,7 +221,7 @@ void sub_80F86F4(void)
     if (!rfu_initializeAPI(&gRfuAPIBuffer, sizeof gRfuAPIBuffer, gIntrTable + 1, TRUE))
     {
         gLinkType = 0;
-        sub_80FB128(0);
+        sub_80FB128(FALSE);
         sub_80F85F8();
         rfu_setTimerInterrupt(3, gIntrTable + 2);
     }
@@ -230,7 +233,7 @@ static void sub_80F8738(u8 taskId)
     switch (Rfu.unk_04)
     {
     case 0:
-        sub_80FD4B0(&gUnknown_203ABF0);
+        sub_80FD4B0(&sRfuReqConfig);
         Rfu.unk_04 = 1;
         gTasks[taskId].data[1] = 1;
         break;
@@ -316,7 +319,7 @@ static void sub_80F893C(u8 taskId)
     switch (Rfu.unk_04)
     {
     case 0:
-        sub_80FD4B0(&gUnknown_843EBB4);
+        sub_80FD4B0(&sRfuReqConfigTemplate);
         Rfu.unk_04 = 1;
         gTasks[taskId].data[1] = 1;
         break;
@@ -349,8 +352,8 @@ static void sub_80F893C(u8 taskId)
     case 12:
     {
         u8 r5 = 1 << Rfu.unk_c3e;
-        rfu_clearSlot(12, Rfu.unk_c3e);
-        rfu_setRecvBuffer(16, Rfu.unk_c3e, Rfu.unk_c3f, sizeof(Rfu.unk_c3f));
+        rfu_clearSlot(TYPE_NI_SEND | TYPE_NI_RECV, Rfu.unk_c3e);
+        rfu_setRecvBuffer(TYPE_UNI, Rfu.unk_c3e, Rfu.unk_c3f, sizeof(Rfu.unk_c3f));
         rfu_UNI_setSendData(r5, Rfu.unk_4c, sizeof(Rfu.unk_4c));
         gTasks[taskId].data[1] = 8;
         DestroyTask(taskId);
@@ -373,8 +376,8 @@ static void sub_80F8AA4(void)
     {
         if (r5 & 1)
         {
-            rfu_setRecvBuffer(16, i, Rfu.unk_14[i], sizeof(Rfu.unk_14[i]));
-            rfu_clearSlot(3, i);
+            rfu_setRecvBuffer(TYPE_UNI, i, Rfu.unk_14[i], sizeof(Rfu.unk_14[i]));
+            rfu_clearSlot(TYPE_UNI_SEND | TYPE_UNI_RECV, i);
         }
         r5 >>= 1;
     }
@@ -401,7 +404,7 @@ static void sub_80F8B34(u8 taskId)
     switch (Rfu.unk_04)
     {
     case 0:
-        sub_80FD4B0(&gUnknown_203ABF0);
+        sub_80FD4B0(&sRfuReqConfig);
         Rfu.unk_04 = 1;
         gTasks[taskId].data[1] = 1;
         break;
@@ -785,12 +788,12 @@ static bool32 sub_80F9204(void)
             if (Rfu.unk_ce5 && !Rfu.unk_cd9)
             {
                 gUnknown_203AC08.unk_0e = 0;
-                rfu_clearSlot(3, Rfu.unk_cda);
+                rfu_clearSlot(TYPE_UNI_SEND | TYPE_UNI_RECV, Rfu.unk_cda);
                 for (i = 0; i < RFU_CHILD_MAX; i++)
                 {
                     if ((Rfu.unk_ce5 >> i) & 1)
                     {
-                        rfu_setRecvBuffer(0x10, i, Rfu.unk_14[i], sizeof(Rfu.unk_14[i]));
+                        rfu_setRecvBuffer(TYPE_UNI, i, Rfu.unk_14[i], sizeof(Rfu.unk_14[i]));
                     }
                 }
                 sub_80F887C(Rfu.unk_ce2, Rfu.unk_ce2 | Rfu.unk_ce5);
@@ -951,7 +954,7 @@ static void rfu_func_080F97B8(void)
 
 struct GFtgtGname *sub_80F9800(void)
 {
-    return &gUnknown_3005440;
+    return &gHostRFUtgtGnameBuffer;
 }
 
 bool32 IsSendingKeysToRfu(void)
@@ -1498,7 +1501,7 @@ static bool8 sub_80FA528(void)
                 {
                     Rfu.unk_cd1[i] = 9;
                     Rfu.unk_cd5[i] = 10;
-                    rfu_clearSlot(8, i);
+                    rfu_clearSlot(TYPE_NI_RECV, i);
                     rfu_NI_setSendData(1 << i, 8, Rfu.unk_cd1 + i, 1);
                     retval = TRUE;
                 }
@@ -1506,7 +1509,7 @@ static bool8 sub_80FA528(void)
             }
             else if (gRfuSlotStatusNI[Rfu.unk_c3e]->recv.state == SLOT_STATE_RECV_FAILED)
             {
-                rfu_clearSlot(8, i);
+                rfu_clearSlot(TYPE_NI_RECV, i);
             }
         }
     }
@@ -1552,14 +1555,14 @@ void sub_80FA670(u8 a0, u16 a1, const u8 *a2)
 {
     u8 r4 = sub_80FBC70(a2, a1);
     Rfu.unk_cd1[r4] = a0;
-    rfu_clearSlot(4, r4);
+    rfu_clearSlot(TYPE_NI_SEND, r4);
     rfu_NI_setSendData(1 << r4, 8, Rfu.unk_cd1 + r4, 1);
 }
 
 void sub_80FA6BC(void)
 {
     Rfu.unk_c85 = 8;
-    rfu_clearSlot(4, Rfu.unk_c3e);
+    rfu_clearSlot(TYPE_NI_SEND, Rfu.unk_c3e);
     rfu_NI_setSendData(1 << Rfu.unk_c3e, 8, &Rfu.unk_c85, 1);
 }
 
@@ -1584,7 +1587,7 @@ static void sub_80FA738(void)
         {
             if (Rfu.unk_cd5[i] == 10)
                 Rfu.unk_cd5[i] = 11;
-            rfu_clearSlot(4, i);
+            rfu_clearSlot(TYPE_NI_SEND, i);
         }
     }
 }
@@ -1595,17 +1598,17 @@ static s32 sub_80FA788(void)
     if (Rfu.unk_c85 == 8)
     {
         if (gRfuSlotStatusNI[Rfu.unk_c3e]->send.state == SLOT_STATE_SEND_SUCCESS || gRfuSlotStatusNI[Rfu.unk_c3e]->send.state == SLOT_STATE_SEND_FAILED)
-            rfu_clearSlot(4, Rfu.unk_c3e);
+            rfu_clearSlot(TYPE_NI_SEND, Rfu.unk_c3e);
     }
     if (gRfuSlotStatusNI[Rfu.unk_c3e]->recv.state == SLOT_STATE_RECV_SUCCESS || gRfuSlotStatusNI[Rfu.unk_c3e]->recv.state == SLOT_STATE_RECV_SUCCESS_AND_SENDSIDE_UNKNOWN)
     {
-        rfu_clearSlot(8, Rfu.unk_c3e);
+        rfu_clearSlot(TYPE_NI_RECV, Rfu.unk_c3e);
         sub_80FB9E4(Rfu.unk_c86, 0);
         retval = Rfu.unk_c86;
     }
     else if (gRfuSlotStatusNI[Rfu.unk_c3e]->recv.state == SLOT_STATE_RECV_FAILED)
     {
-        rfu_clearSlot(8, Rfu.unk_c3e);
+        rfu_clearSlot(TYPE_NI_RECV, Rfu.unk_c3e);
         retval = 6;
     }
     return retval;
@@ -1905,44 +1908,44 @@ bool32 sub_80FAEF0(void)
 
 static void sub_80FAF1C(void)
 {
-    StringCopy(gUnknown_3005E00, gSaveBlock2Ptr->playerName);
+    StringCopy(gHostRFUtgtUnameBuffer, gSaveBlock2Ptr->playerName);
 }
 
-void sub_80FAF34(void)
+void ClearAndInitHostRFUtgtGname(void)
 {
-    memset(&gUnknown_3005440, 0, RFU_GAME_NAME_LENGTH);
-    sub_80FCB54(&gUnknown_3005440, 0, 0, 0);
+    memset(&gHostRFUtgtGnameBuffer, 0, RFU_GAME_NAME_LENGTH);
+    InitHostRFUtgtGname(&gHostRFUtgtGnameBuffer, 0, 0, 0);
 }
 
 void sub_80FAF58(u8 a0, u32 a1, u32 a2)
 {
-    sub_80FCB54(&gUnknown_3005440, a0, a2, a1);
+    InitHostRFUtgtGname(&gHostRFUtgtGnameBuffer, a0, a2, a1);
 }
 
 void sub_80FAF74(bool32 a0, bool32 a1)
 {
-    gUnknown_3005440.unk_00.unk_00_4 = a0;
-    gUnknown_3005440.unk_00.unk_00_5 = a1;
+    gHostRFUtgtGnameBuffer.unk_00.unk_00_4 = a0;
+    gHostRFUtgtGnameBuffer.unk_00.unk_00_5 = a1;
 }
 
 void sub_80FAFA0(u32 type, u32 species, u32 level)
 {
-    gUnknown_3005440.type = type;
-    gUnknown_3005440.species = species;
-    gUnknown_3005440.level = level;
+    gHostRFUtgtGnameBuffer.type = type;
+    gHostRFUtgtGnameBuffer.species = species;
+    gHostRFUtgtGnameBuffer.level = level;
 }
 
 void sub_80FAFE0(u8 a0)
 {
-    gUnknown_3005440.unk_0a_7 = a0;
-    rfu_REQ_configGameData(0, 2, (void *)&gUnknown_3005440, gUnknown_3005E00);
+    gHostRFUtgtGnameBuffer.unk_0a_7 = a0;
+    rfu_REQ_configGameData(0, 2, (void *)&gHostRFUtgtGnameBuffer, gHostRFUtgtUnameBuffer);
 }
 
 void sub_80FB008(u8 a0, u32 a1, u32 a2)
 {
     if (a0)
         sub_80FAF58(a0, a1, a2);
-    rfu_REQ_configGameData(0, 2, (void *)&gUnknown_3005440, gUnknown_3005E00);
+    rfu_REQ_configGameData(0, 2, (void *)&gHostRFUtgtGnameBuffer, gHostRFUtgtUnameBuffer);
 }
 
 void sub_80FB030(u32 a0)
@@ -2028,7 +2031,7 @@ static void sub_80FB184(u8 a0, u8 unused1)
                 {
                     Rfu.unk_cd1[i] = 0;
                     Rfu.unk_cd5[i] = 0;
-                    rfu_setRecvBuffer(0x20, i, Rfu.unk_cd5 + i, 1);
+                    rfu_setRecvBuffer(TYPE_NI, i, Rfu.unk_cd5 + i, 1);
                 }
                 else
                 {
@@ -2115,8 +2118,8 @@ static void sub_80FB37C(u8 a0, u8 unused1)
         Rfu.unk_04 = 11;
         Rfu.unk_c85 = 0;
         Rfu.unk_c86 = 0;
-        rfu_setRecvBuffer(0x20, Rfu.unk_c3e, &Rfu.unk_c86, 1);
-        rfu_setRecvBuffer(0x10, Rfu.unk_c3e, Rfu.unk_c3f, 70);
+        rfu_setRecvBuffer(TYPE_NI, Rfu.unk_c3e, &Rfu.unk_c86, 1);
+        rfu_setRecvBuffer(TYPE_UNI, Rfu.unk_c3e, Rfu.unk_c3f, 70);
         break;
     case 0x25:
         sub_80FB9E4(2, 0x25);
@@ -2272,7 +2275,7 @@ static void sub_80FB5EC(u8 a0, u8 unused1)
     case 0x24:
         Rfu.unk_04 = 0xD;
         sub_80FB9E4(3, 0);
-        rfu_setRecvBuffer(0x10, Rfu.unk_c3e, Rfu.unk_c3f, 70);
+        rfu_setRecvBuffer(TYPE_UNI, Rfu.unk_c3e, Rfu.unk_c3f, sizeof(Rfu.unk_c3f));
         break;
     case 0x25:
         sub_80FB9E4(2, a0);
@@ -2442,8 +2445,8 @@ void sub_80FBB8C(u32 a0)
     Rfu.unk_0c = 1;
     sub_80FAF1C();
     sub_80FD430(sub_80FB184, NULL);
-    gUnknown_203ABF0 = gUnknown_843EBB4;
-    gUnknown_203ABF0.unk_02 = gUnknown_843EBCC[a0 - 1];
+    sRfuReqConfig = sRfuReqConfigTemplate;
+    sRfuReqConfig.availSlotFlag = sAvailSlots[a0 - 1];
     sub_80F8E74();
 }
 
@@ -2462,9 +2465,9 @@ void sub_80FBC00(void)
     Rfu.unk_0c = 2;
     sub_80FAF1C();
     sub_80FD430(sub_80FB5EC, NULL);
-    gUnknown_203ABF0 = gUnknown_843EBB4;
-    gUnknown_203ABF0.unk_11 = 0;
-    gUnknown_203ABF0.unk_12 = 0x258;
+    sRfuReqConfig = sRfuReqConfigTemplate;
+    sRfuReqConfig.unk_11 = 0;
+    sRfuReqConfig.unk_12 = 0x258;
     Rfu.unk_67 = CreateTask(sub_80F8B34, 1);
 }
 
@@ -2500,7 +2503,7 @@ static void sub_80FBCF8(u32 a0)
     rfu_REQ_disconnect(a0);
     rfu_waitREQComplete();
     Rfu.unk_ce2 &= ~(a0);
-    rfu_clearSlot(1, Rfu.unk_cda);
+    rfu_clearSlot(TYPE_UNI_SEND, Rfu.unk_cda);
     rfu_UNI_setSendData(Rfu.unk_ce2, Rfu.unk_c87, 70);
     Rfu.unk_cda = sub_80F886C(Rfu.unk_ce2);
 }
diff --git a/src/link_rfu_3.c b/src/link_rfu_3.c
index 01f19d817..87197f57f 100644
--- a/src/link_rfu_3.c
+++ b/src/link_rfu_3.c
@@ -502,7 +502,7 @@ static void ASCIIToPkmnStr(u8 *q1, const u8 *q2)
 }
 
 #ifdef NONMATCHING
-static u8 sub_80FCADC(u8 maxFlags)
+static u8 GetConnectedChildStrength(u8 maxFlags)
 {
     u8 flagCount = 0;
     u8 flags = gRfuLinkStatus->connSlotFlag;
@@ -533,7 +533,7 @@ static u8 sub_80FCADC(u8 maxFlags)
 }
 #else
 NAKED
-static u8 sub_80FCADC(u8 maxFlags)
+static u8 GetConnectedChildStrength(u8 maxFlags)
 {
     asm_unified("\tpush {r4-r7,lr}\n"
                 "\tlsls r0, 24\n"
@@ -603,7 +603,7 @@ static u8 sub_80FCADC(u8 maxFlags)
 }
 #endif
 
-void sub_80FCB54(struct GFtgtGname *data, u8 r9, bool32 r2, s32 r3)
+void InitHostRFUtgtGname(struct GFtgtGname *data, u8 r9, bool32 r2, s32 r3)
 {
     s32 i;
 
@@ -629,7 +629,7 @@ void sub_80FCB54(struct GFtgtGname *data, u8 r9, bool32 r2, s32 r3)
     data->unk_00.gameClear = FlagGet(FLAG_SYS_GAME_CLEAR);
 }
 
-bool8 sub_80FCC3C(struct GFtgtGname *buff1, u8 *buff2, u8 idx)
+bool8 sub_80FCC3C(struct GFtgtGname *gname, u8 *uname, u8 idx)
 {
     bool8 retVal;
 
@@ -638,13 +638,13 @@ bool8 sub_80FCC3C(struct GFtgtGname *buff1, u8 *buff2, u8 idx)
         retVal = TRUE;
         if (sub_80FA44C(gRfuLinkStatus->partner[idx].serialNo) && ((gRfuLinkStatus->getNameFlag >> idx) & 1))
         {
-            memcpy(buff1, &gRfuLinkStatus->partner[idx].gname, RFU_GAME_NAME_LENGTH);
-            memcpy(buff2, gRfuLinkStatus->partner[idx].uname, RFU_USER_NAME_LENGTH);
+            memcpy(gname, &gRfuLinkStatus->partner[idx].gname, RFU_GAME_NAME_LENGTH);
+            memcpy(uname, gRfuLinkStatus->partner[idx].uname, RFU_USER_NAME_LENGTH);
         }
         else
         {
-            memset(buff1, 0, RFU_GAME_NAME_LENGTH);
-            memset(buff2, 0, RFU_USER_NAME_LENGTH);
+            memset(gname, 0, RFU_GAME_NAME_LENGTH);
+            memset(uname, 0, RFU_USER_NAME_LENGTH);
         }
     }
     else
@@ -652,39 +652,39 @@ bool8 sub_80FCC3C(struct GFtgtGname *buff1, u8 *buff2, u8 idx)
         retVal = FALSE;
         if (sub_80FA44C(gRfuLinkStatus->partner[idx].serialNo))
         {
-            memcpy(buff1, &gRfuLinkStatus->partner[idx].gname, RFU_GAME_NAME_LENGTH);
-            memcpy(buff2, gRfuLinkStatus->partner[idx].uname, RFU_USER_NAME_LENGTH);
+            memcpy(gname, &gRfuLinkStatus->partner[idx].gname, RFU_GAME_NAME_LENGTH);
+            memcpy(uname, gRfuLinkStatus->partner[idx].uname, RFU_USER_NAME_LENGTH);
         }
         else
         {
-            memset(buff1, 0, RFU_GAME_NAME_LENGTH);
-            memset(buff2, 0, RFU_USER_NAME_LENGTH);
+            memset(gname, 0, RFU_GAME_NAME_LENGTH);
+            memset(uname, 0, RFU_USER_NAME_LENGTH);
         }
     }
     return retVal;
 }
 
-bool8 sub_80FCCF4(struct GFtgtGname *buff1, u8 *buff2, u8 idx)
+bool8 sub_80FCCF4(struct GFtgtGname *gname, u8 *uname, u8 idx)
 {
     bool8 retVal = FALSE;
     if (gRfuLinkStatus->partner[idx].serialNo == 0x7F7D)
     {
-        memcpy(buff1, gRfuLinkStatus->partner[idx].gname, RFU_GAME_NAME_LENGTH);
-        memcpy(buff2, gRfuLinkStatus->partner[idx].uname, RFU_USER_NAME_LENGTH);
+        memcpy(gname, gRfuLinkStatus->partner[idx].gname, RFU_GAME_NAME_LENGTH);
+        memcpy(uname, gRfuLinkStatus->partner[idx].uname, RFU_USER_NAME_LENGTH);
         retVal = TRUE;
     }
     else
     {
-        memset(buff1, 0, RFU_GAME_NAME_LENGTH);
-        memset(buff2, 0, RFU_USER_NAME_LENGTH);
+        memset(gname, 0, RFU_GAME_NAME_LENGTH);
+        memset(uname, 0, RFU_USER_NAME_LENGTH);
     }
     return retVal;
 }
 
-void sub_80FCD50(struct GFtgtGname *buff1, u8 *buff2)
+void sub_80FCD50(struct GFtgtGname *gname, u8 *uname)
 {
-    memcpy(buff1, &gUnknown_3005440, RFU_GAME_NAME_LENGTH);
-    memcpy(buff2, gUnknown_3005E00, RFU_USER_NAME_LENGTH);
+    memcpy(gname, &gHostRFUtgtGnameBuffer, RFU_GAME_NAME_LENGTH);
+    memcpy(uname, gHostRFUtgtUnameBuffer, RFU_USER_NAME_LENGTH);
 }
 
 void CreateWirelessStatusIndicatorSprite(u8 x, u8 y)
@@ -734,7 +734,7 @@ void LoadWirelessStatusIndicatorSpriteGfx(void)
     gWirelessStatusIndicatorSpriteId = 0xFF;
 }
 
-static u8 sub_80FCEE4(void)
+static u8 GetParentSignalStrength(void)
 {
     u8 i;
     u8 flags = gRfuLinkStatus->connSlotFlag;
@@ -749,7 +749,7 @@ static u8 sub_80FCEE4(void)
     return 0;
 }
 
-static void sub_80FCF1C(struct Sprite *sprite, s32 signalStrengthAnimNum)
+static void SetAndRestartWirelessStatusIndicatorAnim(struct Sprite *sprite, s32 signalStrengthAnimNum)
 {
     if (sprite->data[2] != signalStrengthAnimNum)
     {
@@ -759,50 +759,50 @@ static void sub_80FCF1C(struct Sprite *sprite, s32 signalStrengthAnimNum)
     }
 }
 
-void sub_80FCF34(void)
+void UpdateWirelessStatusIndicatorSprite(void)
 {
     if (gWirelessStatusIndicatorSpriteId != 0xFF && gSprites[gWirelessStatusIndicatorSpriteId].data[7] == 0x1234)
     {
         struct Sprite *sprite = &gSprites[gWirelessStatusIndicatorSpriteId];
-        u8 signalStrength = 255;
+        u8 signalStrength = RFU_LINK_ICON_LEVEL4_MAX;
         u8 i = 0;
         if (gRfuLinkStatus->parentChild == MODE_PARENT)
         {
             for (i = 0; i < GetLinkPlayerCount() - 1; i++)
             {
-                if (signalStrength >= sub_80FCADC(i + 1))
+                if (signalStrength >= GetConnectedChildStrength(i + 1))
                 {
-                    signalStrength = sub_80FCADC(i + 1);
+                    signalStrength = GetConnectedChildStrength(i + 1);
                 }
             }
         }
         else
         {
-            signalStrength = sub_80FCEE4();
+            signalStrength = GetParentSignalStrength();
         }
         if (sub_80FC1B0() == TRUE)
         {
             sprite->data[0] = 4;
         }
-        else if (signalStrength < 25)
+        else if (signalStrength <= RFU_LINK_ICON_LEVEL1_MAX)
         {
             sprite->data[0] = 3;
         }
-        else if (signalStrength >= 25 && signalStrength < 127)
+        else if (signalStrength >= RFU_LINK_ICON_LEVEL2_MIN && signalStrength <= RFU_LINK_ICON_LEVEL2_MAX)
         {
             sprite->data[0] = 2;
         }
-        else if (signalStrength >= 127 && signalStrength < 229)
+        else if (signalStrength >= RFU_LINK_ICON_LEVEL3_MIN && signalStrength <= RFU_LINK_ICON_LEVEL3_MAX)
         {
             sprite->data[0] = 1;
         }
-        else if (signalStrength >= 229)
+        else if (signalStrength >= RFU_LINK_ICON_LEVEL4_MIN)
         {
             sprite->data[0] = 0;
         }
         if (sprite->data[0] != sprite->data[1])
         {
-            sub_80FCF1C(sprite, sprite->data[0]);
+            SetAndRestartWirelessStatusIndicatorAnim(sprite, sprite->data[0]);
             sprite->data[1] = sprite->data[0];
         }
         if (sprite->anims[sprite->data[2]][sprite->data[4]].frame.duration < sprite->data[3])
diff --git a/src/main.c b/src/main.c
index 5d2db95be..336584ab3 100644
--- a/src/main.c
+++ b/src/main.c
@@ -352,7 +352,7 @@ static void VBlankIntr(void)
 
     sub_800DD28();
     Random();
-    sub_80FCF34();
+    UpdateWirelessStatusIndicatorSprite();
 
     INTR_CHECK |= INTR_FLAG_VBLANK;
     gMain.intrCheck |= INTR_FLAG_VBLANK;