ref: df6a30f3c0e2be41161101db0d62f5c02d93bbc0
parent: 04583235548da2111a8cda7d186bc0a020214369
author: cinap_lenrek <cinap_lenrek@felloff.net>
date: Mon Feb 12 14:05:01 EST 2018
if ether, then etherif.h
--- /dev/null
+++ b/sys/src/9/port/etherif.h
@@ -1,0 +1,38 @@
+enum {+ MaxEther = 64,
+ Ntypes = 8,
+};
+
+typedef struct Ether Ether;
+struct Ether {+ ISAConf; /* hardware info */
+ int tbdf; /* type+busno+devno+funcno */
+
+ int ctlrno;
+ int minmtu;
+ int maxmtu;
+ uchar ea[Eaddrlen];
+
+ void (*attach)(Ether*); /* filled in by reset routine */
+ void (*detach)(Ether*);
+ void (*transmit)(Ether*);
+ long (*ifstat)(Ether*, void*, long, ulong);
+ long (*ctl)(Ether*, void*, long); /* custom ctl messages */
+ void (*power)(Ether*, int); /* power on/off */
+ void (*shutdown)(Ether*); /* shutdown hardware before reboot */
+ void *ctlr;
+
+ Queue* oq;
+
+ Netif;
+};
+
+extern Block* etheriq(Ether*, Block*, int);
+extern void addethercard(char*, int(*)(Ether*));
+extern ulong ethercrc(uchar*, int);
+extern int parseether(uchar*, char*);
+
+#define NEXT(x, l) (((x)+1)%(l))
+#define PREV(x, l) (((x) == 0) ? (l)-1: (x)-1)
+#define HOWMANY(x, y) (((x)+((y)-1))/(y))
+#define ROUNDUP(x, y) (HOWMANY((x), (y))*(y))