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2002-05-08 Yoshinori K. Okuji <okuji@enbug.org>

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* netboot/etherboot.h (ETH_MAX_MTU): Because some DHCP/BOOTP
	servers don't treat the maximum length the same as Etherboot,
	subtract the size of an IP header and that of an UDP header.
This commit is contained in:
okuji committed 2002-05-08 05:49:33 +00:00
1 parent 20ac296c28
commit 522de743e8
6 files changed
+16 -5
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netboot/etherboot.h
+6 -1
View File
@@ -98,7 +98,12 @@ Author: Martin Renters
/*#define ETH_MIN_PACKET 64*/
#define ETH_FRAME_LEN 1514 /* Maximum packet */
/*#define ETH_MAX_PACKET 1518*/
#define ETH_MAX_MTU (ETH_FRAME_LEN - ETH_HLEN)
/* Because some DHCP/BOOTP servers don't treat the maximum length the same
as Etherboot, subtract the size of an IP header and that of an UDP
header. */
#define ETH_MAX_MTU (ETH_FRAME_LEN - ETH_HLEN \
- sizeof (struct iphdr) \
- sizeof (struct udphdr))
#define ARP_CLIENT 0
#define ARP_SERVER 1