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-rw-r--r--include/net.h12
-rw-r--r--net/net.c15
2 files changed, 18 insertions, 9 deletions
diff --git a/include/net.h b/include/net.h
index fd19c42d12..ff66073e6e 100644
--- a/include/net.h
+++ b/include/net.h
@@ -466,9 +466,17 @@ extern void NetSetTimeout(ulong, thand_f *);/* Set timeout handler */
/* Transmit "NetTxPacket" */
extern void NetSendPacket(uchar *, int);
-/* Transmit UDP packet, performing ARP request if needed */
+/*
+ * Transmit UDP packet, performing ARP request if needed
+ *
+ * @param ether Raw packet buffer
+ * @param dest IP address to send the datagram to
+ * @param dport Destination UDP port
+ * @param sport Source UDP port
+ * @param payload_len Length of data after the UDP header
+ */
extern int NetSendUDPPacket(uchar *ether, IPaddr_t dest, int dport,
- int sport, int len);
+ int sport, int payload_len);
/* Processes a received packet */
extern void NetReceive(uchar *, int);
diff --git a/net/net.c b/net/net.c
index 4cdd9cd0f2..b8a267ccbe 100644
--- a/net/net.c
+++ b/net/net.c
@@ -591,8 +591,8 @@ NetSendPacket(uchar *pkt, int len)
(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;
@@ -618,14 +618,14 @@ NetSendUDPPacket(uchar *ether, IPaddr_t dest, int dport, int sport, int len)
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;
@@ -638,8 +638,9 @@ 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);
- 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 */
}