diff options
Diffstat (limited to 'c/src/lib/libbsp/arm/nds/dswifi/arm9/source/sgIP_Hub.c')
| -rw-r--r-- | c/src/lib/libbsp/arm/nds/dswifi/arm9/source/sgIP_Hub.c | 211 |
1 files changed, 0 insertions, 211 deletions
diff --git a/c/src/lib/libbsp/arm/nds/dswifi/arm9/source/sgIP_Hub.c b/c/src/lib/libbsp/arm/nds/dswifi/arm9/source/sgIP_Hub.c deleted file mode 100644 index e91de87ad4..0000000000 --- a/c/src/lib/libbsp/arm/nds/dswifi/arm9/source/sgIP_Hub.c +++ /dev/null @@ -1,211 +0,0 @@ -// DSWifi Project - sgIP Internet Protocol Stack Implementation -// Copyright (C) 2005-2006 Stephen Stair - sgstair@akkit.org - http://www.akkit.org -/****************************************************************************** -DSWifi Lib and test materials are licenced under the MIT open source licence: -Copyright (c) 2005-2006 Stephen Stair - -Permission is hereby granted, free of charge, to any person obtaining a copy of -this software and associated documentation files (the "Software"), to deal in -the Software without restriction, including without limitation the rights to -use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies -of the Software, and to permit persons to whom the Software is furnished to do -so, subject to the following conditions: - -The above copyright notice and this permission notice shall be included in all -copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -SOFTWARE. -******************************************************************************/ -#include "sgIP_Hub.h" -#include "sgIP_ARP.h" - -////////////////////////////////////////////////////////////////////////// -// Global vars - -int NumHWInterfaces; -int NumProtocolInterfaces; -sgIP_Hub_Protocol ProtocolInterfaces[SGIP_HUB_MAXPROTOCOLINTERFACES]; -sgIP_Hub_HWInterface HWInterfaces[SGIP_HUB_MAXHWINTERFACES]; - - - -////////////////////////////////////////////////////////////////////////// -// Private functions - - - - - - -////////////////////////////////////////////////////////////////////////// -// Public functions - - -void sgIP_Hub_Init() { - NumHWInterfaces=0; - NumProtocolInterfaces=0; - -} - -sgIP_Hub_Protocol * sgIP_Hub_AddProtocolInterface(int protocolID, int (*ReceivePacket)(sgIP_memblock *), int (*InterfaceInit)(sgIP_Hub_Protocol *)) { - int n; - if(NumProtocolInterfaces>=SGIP_HUB_MAXPROTOCOLINTERFACES) return 0; - for(n=0;n<SGIP_HUB_MAXPROTOCOLINTERFACES;n++) { - if(!(ProtocolInterfaces[n].flags&SGIP_FLAG_PROTOCOL_IN_USE)) break; - } - if(n==SGIP_HUB_MAXPROTOCOLINTERFACES) return 0; - - ProtocolInterfaces[n].flags=SGIP_FLAG_PROTOCOL_IN_USE | SGIP_FLAG_PROTOCOL_ENABLED; - ProtocolInterfaces[n].protocol=protocolID; - ProtocolInterfaces[n].ReceivePacket=ReceivePacket; - if(InterfaceInit) InterfaceInit(ProtocolInterfaces+n); - NumProtocolInterfaces++; - return ProtocolInterfaces+n; -} - - -sgIP_Hub_HWInterface * sgIP_Hub_AddHardwareInterface(int (*TransmitFunction)(sgIP_Hub_HWInterface *, sgIP_memblock *), int (*InterfaceInit)(sgIP_Hub_HWInterface *)) { - int n; - if(NumHWInterfaces>=SGIP_HUB_MAXHWINTERFACES) return 0; - for(n=0;n<SGIP_HUB_MAXHWINTERFACES;n++) { - if(!(HWInterfaces[n].flags&SGIP_FLAG_HWINTERFACE_IN_USE)) break; - } - if(n==SGIP_HUB_MAXHWINTERFACES) return 0; - - HWInterfaces[n].flags = SGIP_FLAG_HWINTERFACE_IN_USE | SGIP_FLAG_HWINTERFACE_ENABLED; - HWInterfaces[n].TransmitFunction=TransmitFunction; - if(InterfaceInit) InterfaceInit(HWInterfaces+n); - NumHWInterfaces++; - return HWInterfaces+n; -} - -extern void sgIP_Hub_RemoveProtocolInterface(sgIP_Hub_Protocol * protocol) { - int n; - for(n=0;n<SGIP_HUB_MAXPROTOCOLINTERFACES;n++) { - if(ProtocolInterfaces+n ==protocol) break; - } - if(n==SGIP_HUB_MAXPROTOCOLINTERFACES) return; - protocol->flags=0; - NumProtocolInterfaces--; -} -extern void sgIP_Hub_RemoveHardwareInterface(sgIP_Hub_HWInterface * hw) { - int n; - for(n=0;n<SGIP_HUB_MAXHWINTERFACES;n++) { - if(HWInterfaces+n == hw) break; - } - if(n==SGIP_HUB_MAXHWINTERFACES) return; - hw->flags=0; - NumHWInterfaces--; -} - -int sgIP_Hub_ReceiveHardwarePacket(sgIP_Hub_HWInterface * hw, sgIP_memblock * packet) { - if(!hw || !packet) return 0; - if(hw->flags & SGIP_FLAG_HWINTERFACE_ENABLED) { - int n; - int protocol; - - protocol = ((unsigned short *)packet->datastart)[6]; -// SGIP_DEBUG_MESSAGE(("hub: rx packet %04X %X",protocol,packet->totallength)); - if(protocol==PROTOCOL_ETHER_ARP) { // arp - sgIP_ARP_ProcessARPFrame(hw,packet); - return 0; - } - if(protocol==PROTOCOL_ETHER_IP) { // IP, forward to the ARP system. - - } - - // hide ethernet header for higher-level protocols - sgIP_memblock_exposeheader(packet,-14); - for(n=0;n<SGIP_HUB_MAXPROTOCOLINTERFACES;n++) { - if(ProtocolInterfaces[n].flags&SGIP_FLAG_PROTOCOL_ENABLED && ProtocolInterfaces[n].protocol==protocol) { // this protocol handler - return ProtocolInterfaces[n].ReceivePacket(packet); - } - } - } - // hrmm, packet is unhandled. Ignore it for now. - sgIP_memblock_free(packet); - return 0; -} -// send packet from a protocol interface, resolve the requisite hardware interface addresses and send it. -int sgIP_Hub_SendProtocolPacket(int protocol, sgIP_memblock * packet, unsigned long dest_address, unsigned long src_address) { - if(!packet) return 0; - sgIP_Hub_HWInterface * hw; - int i; - hw=0; - // figure out what hardware interface is in use. - for(i=0;i<SGIP_HUB_MAXHWINTERFACES;i++) if(HWInterfaces[i].ipaddr==src_address) {hw=HWInterfaces+i; break;} - if(!hw) { - sgIP_memblock_free(packet); - return 0; - } - // resolve protocol address to hardware address & send packet - if( (src_address & hw->snmask) == (dest_address & hw->snmask) // on same network - || dest_address == 0xFFFFFFFF ) // or broadcast address, send directly. - { - return sgIP_ARP_SendProtocolFrame(hw,packet,protocol,dest_address); - } else { // eek, on different network. Send to gateway - return sgIP_ARP_SendProtocolFrame(hw,packet,protocol,hw->gateway); - } -} -// send packet on a hardware interface. -int sgIP_Hub_SendRawPacket(sgIP_Hub_HWInterface * hw, sgIP_memblock * packet) { - if(!hw || !packet) return 0; - if(hw->flags&SGIP_FLAG_HWINTERFACE_ENABLED) { - return hw->TransmitFunction(hw,packet); - } - sgIP_memblock_free(packet); - return 0; -} - -int sgIP_Hub_IPMaxMessageSize(unsigned long ipaddr) { - return SGIP_MTU_OVERRIDE; // hack - make this more accurate soon! -} - -unsigned long sgIP_Hub_GetCompatibleIP(unsigned long destIP) { - int n; - for(n=0;n<SGIP_HUB_MAXHWINTERFACES;n++) { - if((HWInterfaces[n].flags&SGIP_FLAG_HWINTERFACE_IN_USE)) { - if((HWInterfaces[n].ipaddr & HWInterfaces[n].snmask) == (destIP & HWInterfaces[n].snmask)) return HWInterfaces[n].ipaddr; - } - } - for(n=0;n<SGIP_HUB_MAXHWINTERFACES;n++) { - if((HWInterfaces[n].flags&SGIP_FLAG_HWINTERFACE_IN_USE)) { - return HWInterfaces[n].ipaddr; - } - } - return 0; -} - -extern sgIP_Hub_HWInterface * sgIP_Hub_GetDefaultInterface() { - int n; - for(n=0;n<SGIP_HUB_MAXHWINTERFACES;n++) { - if((HWInterfaces[n].flags&SGIP_FLAG_HWINTERFACE_IN_USE)) { - return HWInterfaces+n; - } - } - return 0; -} - - -#ifdef SGIP_LITTLEENDIAN -unsigned short htons(unsigned short num) { - return ((num<<8)&0xFF00) | (num>>8); -} -unsigned long htonl(unsigned long num) { - return (num<<24) | ((num&0xFF00)<<8) | ((num&0xFF0000)>>8) | (num>>24); -} -#else -unsigned short htons(unsigned short num) { - return num; -} -unsigned long htonl(unsigned long num) { - return num; -} -#endif - |