Updated LAN driver

- changed directory layout - Multicast support (automatic RX filter adjustment) - MC68000 target in Makefile - clarified licensing (GPLv3) - README files
2018-06-14 08:20:30 +02:00
parent 95bc477444
commit b13808f240
46 changed files with 919 additions and 485 deletions
@@ -0,0 +1,52 @@
+/*
+  macros.h
+
+  (C) 2018 Henryk Richter <henryk.richter@gmx.net>
+
+  useful macros
+
+*/
+#ifndef _INC_MACROS_H
+#define _INC_MACROS_H
+
+#define GetHead(l)       (void *)(((struct List *)l)->lh_Head->ln_Succ \
+                                ? ((struct List *)l)->lh_Head \
+                                : (struct Node *)0)
+#define GetTail(l)       (void *)(((struct List *)l)->lh_TailPred->ln_Pred \
+                                ? ((struct List *)l)->lh_TailPred \
+                                : (struct Node *)0)
+#define GetSucc(n)       (void *)(((struct Node *)n)->ln_Succ->ln_Succ \
+                                ? ((struct Node *)n)->ln_Succ \
+                                : (struct Node *)0)
+#define GetPred(n)       (void *)(((struct Node *)n)->ln_Pred->ln_Pred \
+                                ? ((struct Node *)n)->ln_Pred \
+                                : (struct Node *)0)
+
+#define REMOVE(n)        ((void)(\
+        ((struct Node *)n)->ln_Pred->ln_Succ = ((struct Node *)n)->ln_Succ,\
+        ((struct Node *)n)->ln_Succ->ln_Pred = ((struct Node *)n)->ln_Pred ))
+
+#define ADDHEAD(l,n)     ((void)(\
+        ((struct Node *)n)->ln_Succ          = ((struct List *)l)->lh_Head, \
+        ((struct Node *)n)->ln_Pred          = (struct Node *)&((struct List *)l)->lh_Head, \
+        ((struct List *)l)->lh_Head->ln_Pred = ((struct Node *)n), \
+        ((struct List *)l)->lh_Head          = ((struct Node *)n)))
+
+#define ADDTAIL(l,n)     ((void)(\
+        ((struct Node *)n)->ln_Succ              = (struct Node *)&((struct List *)l)->lh_Tail, \
+        ((struct Node *)n)->ln_Pred              = ((struct List *)l)->lh_TailPred, \
+        ((struct List *)l)->lh_TailPred->ln_Succ = ((struct Node *)n), \
+        ((struct List *)l)->lh_TailPred          = ((struct Node *)n) ))
+
+#define NEWLIST(l) (((struct List *)l)->lh_TailPred = (struct Node *)(l), \
+                    ((struct List *)l)->lh_Tail = 0, \
+	            ((struct List *)l)->lh_Head = (struct Node *)&(((struct List *)l)->lh_Tail))
+
+
+#define min(_a_,_b_) ( (_a_) > (_b_) ) ? _b_ : _a_
+#define max(_a_,_b_) ( (_a_) < (_b_) ) ? _b_ : _a_
+#define BOUNDS(_val_,_min_,_max_) ( (_val_) < (_min_) ) ? _min_ : ( (_val_) > (_max_) ) ? _max_ : _val_
+
+
+#endif /* _INC_MACROS_H */
+