diff options
Diffstat (limited to 'net/net.c')
| -rw-r--r-- | net/net.c | 24 |
1 files changed, 12 insertions, 12 deletions
@@ -854,9 +854,9 @@ NetReceive(uchar *inpkt, int len) { 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 @@ -891,22 +891,22 @@ NetReceive(uchar *inpkt, int len) 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 802.2 packet. Check the other protocol field. * XXX VLAN over 802.2+SNAP not implemented! */ - x = ntohs(et802->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; @@ -930,13 +930,13 @@ NetReceive(uchar *inpkt, int len) 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) { @@ -953,7 +953,7 @@ NetReceive(uchar *inpkt, int len) return; } - switch (x) { + switch (eth_proto) { case PROT_ARP: ArpReceive(et, ip, len); @@ -992,10 +992,10 @@ NetReceive(uchar *inpkt, int 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; } |