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net: cosmetic: Rename parameter len to payload_len

Browse source 
This name more explicitly claims that it does not include the
header size

Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
Acked-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Joe Hershberger 2012-05-23 07:58:10 +00:00
parent e0a630795b
commit 206d07fd7c
2 changed files with 18 additions and 9 deletions
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12
include/net.h
View file

@ -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);

15
net/net.c
View file

@ -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 */
}