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Diffstat (limited to 'net/net.c')
-rw-r--r--net/net.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/net/net.c b/net/net.c
index e9754e4..e6547f9 100644
--- a/net/net.c
+++ b/net/net.c
@@ -738,7 +738,7 @@ int PingSend(void)
ip->ip_tos = 0;
ip->ip_len = htons(IP_HDR_SIZE_NO_UDP + 8);
ip->ip_id = htons(NetIPID++);
- ip->ip_off = htons(0x4000); /* No fragmentation */
+ ip->ip_off = htons(IP_FLAGS_DFRAG); /* Don't fragment */
ip->ip_ttl = 255;
ip->ip_p = 0x01; /* ICMP */
ip->ip_sum = 0;
@@ -1402,7 +1402,8 @@ NetReceive(volatile uchar * inpkt, int len)
if ((ip->ip_hl_v & 0xf0) != 0x40) {
return;
}
- if (ip->ip_off & htons(0x1fff)) { /* Can't deal w/ fragments */
+ /* Can't deal with fragments */
+ if (ip->ip_off & htons(IP_OFFS | IP_FLAGS_MFRAG)) {
return;
}
/* can't deal with headers > 20 bytes */
@@ -1701,7 +1702,7 @@ NetSetIP(volatile uchar * xip, IPaddr_t dest, int dport, int sport, int len)
ip->ip_tos = 0;
ip->ip_len = htons(IP_HDR_SIZE + len);
ip->ip_id = htons(NetIPID++);
- ip->ip_off = htons(0x4000); /* No fragmentation */
+ ip->ip_off = htons(IP_FLAGS_DFRAG); /* Don't fragment */
ip->ip_ttl = 255;
ip->ip_p = 17; /* UDP */
ip->ip_sum = 0;