diff options
Diffstat (limited to 'net/arp.c')
| -rw-r--r-- | net/arp.c | 24 | 
1 files changed, 12 insertions, 12 deletions
| @@ -30,22 +30,22 @@ IPaddr_t	NetArpWaitPacketIP;  IPaddr_t	NetArpWaitReplyIP;  /* MAC address of waiting packet's destination */  uchar	       *NetArpWaitPacketMAC; -/* THE transmit packet */ -uchar	       *NetArpWaitTxPacket;  int		NetArpWaitTxPacketSize; -uchar		NetArpWaitPacketBuf[PKTSIZE_ALIGN + PKTALIGN];  ulong		NetArpWaitTimerStart;  int		NetArpWaitTry; +uchar	       *NetArpTxPacket;	/* THE ARP transmit packet */ +uchar		NetArpPacketBuf[PKTSIZE_ALIGN + PKTALIGN]; +  void ArpInit(void)  {  	/* XXX problem with bss workaround */  	NetArpWaitPacketMAC = NULL;  	NetArpWaitPacketIP = 0;  	NetArpWaitReplyIP = 0; -	NetArpWaitTxPacket = &NetArpWaitPacketBuf[0] + (PKTALIGN - 1); -	NetArpWaitTxPacket -= (ulong)NetArpWaitTxPacket % PKTALIGN;  	NetArpWaitTxPacketSize = 0; +	NetArpTxPacket = &NetArpPacketBuf[0] + (PKTALIGN - 1); +	NetArpTxPacket -= (ulong)NetArpTxPacket % PKTALIGN;  }  void ArpRequest(void) @@ -56,7 +56,7 @@ void ArpRequest(void)  	debug("ARP broadcast %d\n", NetArpWaitTry); -	pkt = NetTxPacket; +	pkt = NetArpTxPacket;  	eth_hdr_size = NetSetEther(pkt, NetBcastAddr, PROT_ARP);  	pkt += eth_hdr_size; @@ -88,7 +88,7 @@ void ArpRequest(void)  	}  	NetWriteIP(&arp->ar_tpa, NetArpWaitReplyIP); -	NetSendPacket(NetTxPacket, eth_hdr_size + ARP_HDR_SIZE); +	NetSendPacket(NetArpTxPacket, eth_hdr_size + ARP_HDR_SIZE);  }  void ArpTimeoutCheck(void) @@ -196,11 +196,11 @@ void ArpReceive(struct ethernet_hdr *et, struct ip_udp_hdr *ip, int len)  			net_get_arp_handler()((uchar *)arp, 0, reply_ip_addr,  				0, len); -			/* modify header, and transmit it */ -			memcpy(((struct ethernet_hdr *)NetArpWaitTxPacket)-> -				et_dest, &arp->ar_sha, ARP_HLEN); -			NetSendPacket(NetArpWaitTxPacket, -					NetArpWaitTxPacketSize); +			/* set the mac address in the waiting packet's header +			   and transmit it */ +			memcpy(((struct ethernet_hdr *)NetTxPacket)->et_dest, +				&arp->ar_sha, ARP_HLEN); +			NetSendPacket(NetTxPacket, NetArpWaitTxPacketSize);  			/* no arp request pending now */  			NetArpWaitPacketIP = 0; |