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authorblueswir1 <blueswir1@c046a42c-6fe2-441c-8c8c-71466251a162>2007-10-26 19:01:16 +0000
committerblueswir1 <blueswir1@c046a42c-6fe2-441c-8c8c-71466251a162>2007-10-26 19:01:16 +0000
commit527e33ce73c0460186406679b20670ac9ebe6972 (patch)
treedf8a11ced70873338c2fc498a3aba2f32bf7a53d /if.h
parent93ebd039aab8b830e0887dd59360f2ba8de75c07 (diff)
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Use const and static as needed, disable unused code
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3452 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'if.h')
-rw-r--r--if.h25
1 files changed, 19 insertions, 6 deletions
diff --git a/if.h b/if.h
index 5092730..21d3f76 100644
--- a/if.h
+++ b/if.h
@@ -13,12 +13,25 @@
#define IF_AUTOCOMP 0x04 /* Autodetect (default) */
#define IF_NOCIDCOMP 0x08 /* CID compression */
-/* Needed for FreeBSD */
-#undef if_mtu
-extern int if_mtu;
-extern int if_mru; /* MTU and MRU */
-extern int if_comp; /* Flags for compression */
-extern int if_maxlinkhdr;
+#define IF_MTU 1500
+#define IF_MRU 1500
+#define IF_COMP IF_AUTOCOMP /* Flags for compression */
+
+#if 0
+/*
+ * Set if_maxlinkhdr to 48 because it's 40 bytes for TCP/IP,
+ * and 8 bytes for PPP, but need to have it on an 8byte boundary
+ */
+#ifdef USE_PPP
+#define IF_MAXLINKHDR 48
+#else
+#define IF_MAXLINKHDR 40
+#endif
+#else
+/* 2 for alignment, 14 for ethernet, 40 for TCP/IP */
+#define IF_MAXLINKHDR (2 + 14 + 40)
+#endif
+
extern int if_queued; /* Number of packets queued so far */
extern int if_thresh; /* Number of packets queued before we start sending
* (to prevent allocing too many mbufs) */