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Diffstat (limited to 'net/net.c')
-rw-r--r--net/net.c62
1 files changed, 32 insertions, 30 deletions
diff --git a/net/net.c b/net/net.c
index ed86d01..f0e8a67 100644
--- a/net/net.c
+++ b/net/net.c
@@ -619,12 +619,13 @@ NetSendUDPPacket(uchar *ether, IPaddr_t dest, int dport, int sport, int len)
pkt += NetSetEther(pkt, NetArpWaitPacketMAC, PROT_IP);
NetSetIP(pkt, dest, dport, sport, len);
- memcpy(pkt + IP_HDR_SIZE, (uchar *)NetTxPacket +
- (pkt - (uchar *)NetArpWaitTxPacket) + IP_HDR_SIZE, len);
+ memcpy(pkt + IP_UDP_HDR_SIZE, (uchar *)NetTxPacket +
+ (pkt - (uchar *)NetArpWaitTxPacket) +
+ IP_UDP_HDR_SIZE, len);
/* size of the waiting packet */
NetArpWaitTxPacketSize = (pkt - NetArpWaitTxPacket) +
- IP_HDR_SIZE + len;
+ IP_UDP_HDR_SIZE + len;
/* and do the ARP request */
NetArpWaitTry = 1;
@@ -638,7 +639,7 @@ NetSendUDPPacket(uchar *ether, IPaddr_t dest, int dport, int sport, int len)
pkt = (uchar *)NetTxPacket;
pkt += NetSetEther(pkt, ether, PROT_IP);
NetSetIP(pkt, dest, dport, sport, len);
- (void) eth_send(NetTxPacket, (pkt - NetTxPacket) + IP_HDR_SIZE + len);
+ eth_send(NetTxPacket, (pkt - NetTxPacket) + IP_UDP_HDR_SIZE + len);
return 0; /* transmitted */
}
@@ -676,12 +677,12 @@ struct hole {
u16 unused;
};
-static IP_t *__NetDefragment(IP_t *ip, int *lenp)
+static struct ip_udp_hdr *__NetDefragment(struct ip_udp_hdr *ip, int *lenp)
{
static uchar pkt_buff[IP_PKTSIZE] __aligned(PKTALIGN);
static u16 first_hole, total_len;
struct hole *payload, *thisfrag, *h, *newh;
- IP_t *localip = (IP_t *)pkt_buff;
+ struct ip_udp_hdr *localip = (struct ip_udp_hdr *)pkt_buff;
uchar *indata = (uchar *)ip;
int offset8, start, len, done = 0;
u16 ip_off = ntohs(ip->ip_off);
@@ -796,7 +797,7 @@ static IP_t *__NetDefragment(IP_t *ip, int *lenp)
return localip;
}
-static inline IP_t *NetDefragment(IP_t *ip, int *lenp)
+static inline struct ip_udp_hdr *NetDefragment(struct ip_udp_hdr *ip, int *lenp)
{
u16 ip_off = ntohs(ip->ip_off);
if (!(ip_off & (IP_OFFS | IP_FLAGS_MFRAG)))
@@ -806,7 +807,7 @@ static inline IP_t *NetDefragment(IP_t *ip, int *lenp)
#else /* !CONFIG_IP_DEFRAG */
-static inline IP_t *NetDefragment(IP_t *ip, int *lenp)
+static inline struct ip_udp_hdr *NetDefragment(struct ip_udp_hdr *ip, int *lenp)
{
u16 ip_off = ntohs(ip->ip_off);
if (!(ip_off & (IP_OFFS | IP_FLAGS_MFRAG)))
@@ -821,7 +822,8 @@ static inline IP_t *NetDefragment(IP_t *ip, int *lenp)
*
* @parma ip IP packet containing the ICMP
*/
-static void receive_icmp(IP_t *ip, int len, IPaddr_t src_ip, Ethernet_t *et)
+static void receive_icmp(struct ip_udp_hdr *ip, int len,
+ IPaddr_t src_ip, Ethernet_t *et)
{
ICMP_t *icmph = (ICMP_t *)&ip->udp_src;
@@ -850,7 +852,7 @@ void
NetReceive(uchar *inpkt, int len)
{
Ethernet_t *et;
- IP_t *ip;
+ struct ip_udp_hdr *ip;
IPaddr_t tmp;
IPaddr_t src_ip;
int x;
@@ -898,11 +900,11 @@ NetReceive(uchar *inpkt, int len)
*/
x = ntohs(et->et_prot);
- ip = (IP_t *)(inpkt + E802_HDR_SIZE);
+ ip = (struct ip_udp_hdr *)(inpkt + E802_HDR_SIZE);
len -= E802_HDR_SIZE;
} else if (x != PROT_VLAN) { /* normal packet */
- ip = (IP_t *)(inpkt + ETHER_HDR_SIZE);
+ ip = (struct ip_udp_hdr *)(inpkt + ETHER_HDR_SIZE);
len -= ETHER_HDR_SIZE;
} else { /* VLAN packet */
@@ -926,7 +928,7 @@ NetReceive(uchar *inpkt, int len)
vlanid = cti & VLAN_IDMASK;
x = ntohs(vet->vet_type);
- ip = (IP_t *)(inpkt + VLAN_ETHER_HDR_SIZE);
+ ip = (struct ip_udp_hdr *)(inpkt + VLAN_ETHER_HDR_SIZE);
len -= VLAN_ETHER_HDR_SIZE;
}
@@ -961,8 +963,9 @@ NetReceive(uchar *inpkt, int len)
case PROT_IP:
debug("Got IP\n");
/* Before we start poking the header, make sure it is there */
- if (len < IP_HDR_SIZE) {
- debug("len bad %d < %lu\n", len, (ulong)IP_HDR_SIZE);
+ if (len < IP_UDP_HDR_SIZE) {
+ debug("len bad %d < %lu\n", len,
+ (ulong)IP_UDP_HDR_SIZE);
return;
}
/* Check the packet length */
@@ -1074,19 +1077,19 @@ NetReceive(uchar *inpkt, int len)
#ifdef CONFIG_NETCONSOLE
- nc_input_packet((uchar *)ip + IP_HDR_SIZE,
- ntohs(ip->udp_dst),
- ntohs(ip->udp_src),
- ntohs(ip->udp_len) - 8);
+ nc_input_packet((uchar *)ip + IP_UDP_HDR_SIZE,
+ ntohs(ip->udp_dst),
+ ntohs(ip->udp_src),
+ ntohs(ip->udp_len) - UDP_HDR_SIZE);
#endif
/*
* IP header OK. Pass the packet to the current handler.
*/
- (*packetHandler)((uchar *)ip + IP_HDR_SIZE,
- ntohs(ip->udp_dst),
- src_ip,
- ntohs(ip->udp_src),
- ntohs(ip->udp_len) - 8);
+ (*packetHandler)((uchar *)ip + IP_UDP_HDR_SIZE,
+ ntohs(ip->udp_dst),
+ src_ip,
+ ntohs(ip->udp_src),
+ ntohs(ip->udp_len) - UDP_HDR_SIZE);
break;
}
}
@@ -1237,10 +1240,9 @@ NetSetEther(uchar *xet, uchar * addr, uint prot)
}
}
-void
-NetSetIP(uchar *xip, IPaddr_t dest, int dport, int sport, int len)
+void NetSetIP(uchar *xip, IPaddr_t dest, int dport, int sport, int len)
{
- IP_t *ip = (IP_t *)xip;
+ struct ip_udp_hdr *ip = (struct ip_udp_hdr *)xip;
/*
* If the data is an odd number of bytes, zero the
@@ -1248,7 +1250,7 @@ NetSetIP(uchar *xip, IPaddr_t dest, int dport, int sport, int len)
* will work.
*/
if (len & 1)
- xip[IP_HDR_SIZE + len] = 0;
+ xip[IP_UDP_HDR_SIZE + len] = 0;
/*
* Construct an IP and UDP header.
@@ -1257,7 +1259,7 @@ NetSetIP(uchar *xip, IPaddr_t dest, int dport, int sport, int len)
/* IP_HDR_SIZE / 4 (not including UDP) */
ip->ip_hl_v = 0x45;
ip->ip_tos = 0;
- ip->ip_len = htons(IP_HDR_SIZE + len);
+ ip->ip_len = htons(IP_UDP_HDR_SIZE + len);
ip->ip_id = htons(NetIPID++);
ip->ip_off = htons(IP_FLAGS_DFRAG); /* Don't fragment */
ip->ip_ttl = 255;
@@ -1269,7 +1271,7 @@ NetSetIP(uchar *xip, IPaddr_t dest, int dport, int sport, int len)
NetCopyIP((void *)&ip->ip_dst, &dest);
ip->udp_src = htons(sport);
ip->udp_dst = htons(dport);
- ip->udp_len = htons(8 + len);
+ ip->udp_len = htons(UDP_HDR_SIZE + len);
ip->udp_xsum = 0;
ip->ip_sum = ~NetCksum((uchar *)ip, IP_HDR_SIZE_NO_UDP / 2);
}
generated by cgit v1.1 at 2024-11-22 11:09:20 +0000