net: Define IP flag field values
These defines were pulled from the "Add simple
IP/UDP fragmentation support" patch from Frank
Haverkamp <haver@vnet.ibm.com>.
Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Signed-off-by: Ben Warren <biggerbadderben@gmail.com>
diff --git a/net/net.c b/net/net.c
index 77e83b5..cf1f4fa 100644
--- a/net/net.c
+++ b/net/net.c
@@ -735,7 +735,7 @@
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;
@@ -1399,7 +1399,7 @@
if ((ip->ip_hl_v & 0xf0) != 0x40) {
return;
}
- if (ip->ip_off & htons(0x1fff)) { /* Can't deal w/ fragments */
+ if (ip->ip_off & htons(IP_OFFS)) { /* Can't deal w/ fragments */
return;
}
/* can't deal with headers > 20 bytes */
@@ -1698,7 +1698,7 @@
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;