check dest address for ping requests.

This commit is contained in:
Martin Preuss
2025-07-19 17:07:52 +02:00
parent 597504fb08
commit e8423ae97f

View File

@@ -48,6 +48,7 @@ AppRouter_Init:
ldi r17, (appRouterDataEnd-appRouterDataBegin)
rcall Utils_FillSram
#ifndef APP_ROUTER_NO_ADDR_MGR
ldi r16, 0xe0 ; default range from 0xe0-0xef (will be changed later)
sts netInterfaceData+NET_IFACE_OFFS_ADDRESS, r16 ; use first address for router itself
sts netInterfaceData2+NET_IFACE_OFFS_ADDRESS, r16 ; use same address for both interfaces to save on addresses
@@ -57,6 +58,7 @@ AppRouter_Init:
sts appRouterRangeEnd, r16
rcall appRouterReadConfFromEeprom ; try to read config from EEPROM
#endif
; set interface number for NETDEV0
ldi r16, NETDEV0_IFACENUM
@@ -65,9 +67,11 @@ AppRouter_Init:
ldi r16, NETDEV1_IFACENUM
sts netInterfaceData2+NET_IFACE_OFFS_IFACENUM, r16
#ifndef APP_ROUTER_NO_ADDR_MGR
ldi r18, NETMSG_CMD_ADDRESS_RANGE
rcall appRouterSendRangeMsgToDev1
#endif
ret
; @end
@@ -140,6 +144,7 @@ appRouterHandleMsgAnyDev_handleSetValue:
breq appRouterHandleMsgAnyDev_handleSetRange
rjmp appRouterHandleMsgAnyDev_clcRet
appRouterHandleMsgAnyDev_handleSetRange:
#ifndef APP_ROUTER_NO_ADDR_MGR
sts netInterfaceData+NET_IFACE_OFFS_ADDRESS, r18 ; use first address for router itself
sts netInterfaceData2+NET_IFACE_OFFS_ADDRESS, r18 ; use same address for both interfaces to save on addresses
inc r18 ; start range after router
@@ -152,6 +157,7 @@ appRouterHandleMsgAnyDev_handleSetRange:
ldi r18, NETMSG_CMD_REENUM
rcall appRouterSendRangeMsgToDev1 ; (R16, R17, R18, R19, R20, R21, X, Y)
rcall appRouterWriteConfToEeprom ; (r16, r17, X)
#endif
sec
ret
appRouterHandleMsgAnyDev_clcRet:
@@ -172,6 +178,7 @@ appRouterHandleMsgAnyDev_end:
; @clobbers any, !X
appRouterHandleDev1Msg:
#ifndef APP_ROUTER_NO_ADDR_MGR
push xl
push xh
rcall appRouterHandleDev1Msg_savedX
@@ -202,6 +209,7 @@ appRouterHandleDev1Msg_handleClaimAddr:
rcall appRouterSendDenyAddrR19ToDev1 ; (R16, R17, R18, R19, R20, R21, X, Y)
sec
rjmp appRouterHandleDev1Msg_end
#endif
appRouterHandleDev1Msg_clcRet:
clc
appRouterHandleDev1Msg_end:
@@ -340,8 +348,18 @@ appRouterHandleRebootRequest_end:
; @param X pointer to received message
appRouterHandlePingRequest:
ld r17, X
lds r16, (netInterfaceData+NET_IFACE_OFFS_ADDRESS)
cp r16, r17
breq appRouterHandlePingRequest_forMe
cpi r17, 0xff
breq appRouterHandlePingRequest_forMe
clc
rjmp appRouterHandlePingRequest_end
appRouterHandlePingRequest_forMe:
adiw xh:xl, NETMSG_OFFS_SRCADDR
ld r17, X
sbiw xh:xl, NETMSG_OFFS_SRCADDR
push r17
bigcall NET_Buffer_Alloc ; (R16, R17, X)
pop r17
@@ -408,8 +426,10 @@ appRouterHandleRouterMsgWithHdr:
andi r17, (1<<NET_IFACE_BUFFER_IFACENUM1_BIT) | (1<<NET_IFACE_BUFFER_IFACENUM0_BIT)
cpi r17, NETDEV1_IFACENUM
brne appRouterHandleRouterMsgWithHdr_any
#ifndef APP_ROUTER_NO_ADDR_MGR
rcall appRouterHandleDev1Msg ; handle messages from controlled subnet
brcs appRouterHandleRouterMsgWithHdr_msgHandled
#endif
appRouterHandleRouterMsgWithHdr_any:
rcall appRouterHandleMsgAnyDev ; handle any msg
brcs appRouterHandleRouterMsgWithHdr_msgHandled