(void) eth_send(pkt, len);
}
-int
-NetSendUDPPacket(uchar *ether, IPaddr_t dest, int dport, int sport, int len)
+int NetSendUDPPacket(uchar *ether, IPaddr_t dest, int dport, int sport,
+ int payload_len)
{
uchar *pkt;
pkt = NetArpWaitTxPacket;
pkt += NetSetEther(pkt, NetArpWaitPacketMAC, PROT_IP);
- NetSetIP(pkt, dest, dport, sport, len);
+ NetSetIP(pkt, dest, dport, sport, payload_len);
memcpy(pkt + IP_UDP_HDR_SIZE, (uchar *)NetTxPacket +
(pkt - (uchar *)NetArpWaitTxPacket) +
- IP_UDP_HDR_SIZE, len);
+ IP_UDP_HDR_SIZE, payload_len);
/* size of the waiting packet */
NetArpWaitTxPacketSize = (pkt - NetArpWaitTxPacket) +
- IP_UDP_HDR_SIZE + len;
+ IP_UDP_HDR_SIZE + payload_len;
/* and do the ARP request */
NetArpWaitTry = 1;
pkt = (uchar *)NetTxPacket;
pkt += NetSetEther(pkt, ether, PROT_IP);
- NetSetIP(pkt, dest, dport, sport, len);
- eth_send(NetTxPacket, (pkt - NetTxPacket) + IP_UDP_HDR_SIZE + len);
+ NetSetIP(pkt, dest, dport, sport, payload_len);
+ eth_send(NetTxPacket, (pkt - NetTxPacket) + IP_UDP_HDR_SIZE +
+ payload_len);
return 0; /* transmitted */
}
* @parma ip IP packet containing the ICMP
*/
static void receive_icmp(struct ip_udp_hdr *ip, int len,
- IPaddr_t src_ip, Ethernet_t *et)
+ IPaddr_t src_ip, struct ethernet_hdr *et)
{
- ICMP_t *icmph = (ICMP_t *)&ip->udp_src;
+ struct icmp_hdr *icmph = (struct icmp_hdr *)&ip->udp_src;
switch (icmph->type) {
case ICMP_REDIRECT:
void
NetReceive(uchar *inpkt, int len)
{
- Ethernet_t *et;
+ struct ethernet_hdr *et;
struct ip_udp_hdr *ip;
- IPaddr_t tmp;
+ IPaddr_t dst_ip;
IPaddr_t src_ip;
- int x;
+ int eth_proto;
#if defined(CONFIG_CMD_CDP)
int iscdp;
#endif
NetRxPacket = inpkt;
NetRxPacketLen = len;
- et = (Ethernet_t *)inpkt;
+ et = (struct ethernet_hdr *)inpkt;
/* too small packet? */
if (len < ETHER_HDR_SIZE)
if (mynvlanid == (ushort)-1)
mynvlanid = VLAN_NONE;
- x = ntohs(et->et_protlen);
+ eth_proto = ntohs(et->et_protlen);
debug("packet received\n");
- if (x < 1514) {
+ if (eth_proto < 1514) {
+ struct e802_hdr *et802 = (struct e802_hdr *)et;
/*
- * Got a 802 packet. Check the other protocol field.
+ * Got a 802.2 packet. Check the other protocol field.
+ * XXX VLAN over 802.2+SNAP not implemented!
*/
- x = ntohs(et->et_prot);
+ eth_proto = ntohs(et802->et_prot);
ip = (struct ip_udp_hdr *)(inpkt + E802_HDR_SIZE);
len -= E802_HDR_SIZE;
- } else if (x != PROT_VLAN) { /* normal packet */
+ } else if (eth_proto != PROT_VLAN) { /* normal packet */
ip = (struct ip_udp_hdr *)(inpkt + ETHER_HDR_SIZE);
len -= ETHER_HDR_SIZE;
} else { /* VLAN packet */
- VLAN_Ethernet_t *vet = (VLAN_Ethernet_t *)et;
+ struct vlan_ethernet_hdr *vet =
+ (struct vlan_ethernet_hdr *)et;
debug("VLAN packet received\n");
cti = ntohs(vet->vet_tag);
vlanid = cti & VLAN_IDMASK;
- x = ntohs(vet->vet_type);
+ eth_proto = ntohs(vet->vet_type);
ip = (struct ip_udp_hdr *)(inpkt + VLAN_ETHER_HDR_SIZE);
len -= VLAN_ETHER_HDR_SIZE;
}
- debug("Receive from protocol 0x%x\n", x);
+ debug("Receive from protocol 0x%x\n", eth_proto);
#if defined(CONFIG_CMD_CDP)
if (iscdp) {
return;
}
- switch (x) {
+ switch (eth_proto) {
case PROT_ARP:
ArpReceive(et, ip, len);
return;
}
/* If it is not for us, ignore it */
- tmp = NetReadIP(&ip->ip_dst);
- if (NetOurIP && tmp != NetOurIP && tmp != 0xFFFFFFFF) {
+ dst_ip = NetReadIP(&ip->ip_dst);
+ if (NetOurIP && dst_ip != NetOurIP && dst_ip != 0xFFFFFFFF) {
#ifdef CONFIG_MCAST_TFTP
- if (Mcast_addr != tmp)
+ if (Mcast_addr != dst_ip)
#endif
return;
}
int
NetSetEther(uchar *xet, uchar * addr, uint prot)
{
- Ethernet_t *et = (Ethernet_t *)xet;
+ struct ethernet_hdr *et = (struct ethernet_hdr *)xet;
ushort myvlanid;
myvlanid = ntohs(NetOurVLAN);
et->et_protlen = htons(prot);
return ETHER_HDR_SIZE;
} else {
- VLAN_Ethernet_t *vet = (VLAN_Ethernet_t *)xet;
+ struct vlan_ethernet_hdr *vet =
+ (struct vlan_ethernet_hdr *)xet;
vet->vet_vlan_type = htons(PROT_VLAN);
vet->vet_tag = htons((0 << 5) | (myvlanid & VLAN_IDMASK));