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1 | \ ========== Copyright Header Begin ========================================== |
2 | \ | |
3 | \ Hypervisor Software File: ethernet.fth | |
4 | \ | |
5 | \ Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved. | |
6 | \ | |
7 | \ - Do no alter or remove copyright notices | |
8 | \ | |
9 | \ - Redistribution and use of this software in source and binary forms, with | |
10 | \ or without modification, are permitted provided that the following | |
11 | \ conditions are met: | |
12 | \ | |
13 | \ - Redistribution of source code must retain the above copyright notice, | |
14 | \ this list of conditions and the following disclaimer. | |
15 | \ | |
16 | \ - Redistribution in binary form must reproduce the above copyright notice, | |
17 | \ this list of conditions and the following disclaimer in the | |
18 | \ documentation and/or other materials provided with the distribution. | |
19 | \ | |
20 | \ Neither the name of Sun Microsystems, Inc. or the names of contributors | |
21 | \ may be used to endorse or promote products derived from this software | |
22 | \ without specific prior written permission. | |
23 | \ | |
24 | \ This software is provided "AS IS," without a warranty of any kind. | |
25 | \ ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, | |
26 | \ INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A | |
27 | \ PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN | |
28 | \ MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR | |
29 | \ ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR | |
30 | \ DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN | |
31 | \ OR ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR | |
32 | \ FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE | |
33 | \ DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, | |
34 | \ ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF | |
35 | \ SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. | |
36 | \ | |
37 | \ You acknowledge that this software is not designed, licensed or | |
38 | \ intended for use in the design, construction, operation or maintenance of | |
39 | \ any nuclear facility. | |
40 | \ | |
41 | \ ========== Copyright Header End ============================================ | |
42 | id: @(#)ethernet.fth 1.1 04/09/07 | |
43 | purpose: Ethernet initialization and input/output routines | |
44 | copyright: Copyright 2004 Sun Microsystems, Inc. All Rights Reserved | |
45 | copyright: Use is subject to license terms. | |
46 | ||
47 | headerless | |
48 | ||
49 | d# 6 constant /ether-addr \ Ethernet Address, 6 octets | |
50 | ||
51 | \ Ethernet header structure | |
52 | struct | |
53 | /ether-addr field >en-dest-addr | |
54 | /ether-addr field >en-src-addr | |
55 | /w field >en-type | |
56 | constant /ether-header | |
57 | ||
58 | d# 1500 constant ETHERMTU \ Max frame without header or fcs | |
59 | d# 1514 constant ETHERMAX \ Max frame with header and without fcs | |
60 | ||
61 | : send-ethernet-frame ( adr len -- #sent ) " write" $call-parent ; | |
62 | : receive-ethernet-frame ( adr len -- #rcvd ) " read" $call-parent 0 max ; | |
63 | ||
64 | : ether-input ( -- frame framelen type true | false ) | |
65 | frame-alloc dup if | |
66 | dup ETHERMAX receive-ethernet-frame ?dup if | |
67 | over >en-type ntohw@ true | |
68 | else | |
69 | frame-free false | |
70 | then | |
71 | then | |
72 | ; | |
73 | ||
74 | : ether-output ( frame framelen dest.enaddr type -- #sent ) | |
75 | 3 pick tuck >en-type htonw! | |
76 | if-hwaddr over >en-src-addr copy-hw-addr | |
77 | >en-dest-addr copy-hw-addr | |
78 | send-ethernet-frame | |
79 | ; | |
80 | ||
81 | : .enaddr ( enaddr -- ) | |
82 | base @ >r hex | |
83 | /ether-addr 1- 0 do dup c@ (u.) type ." :" ca1+ loop c@ (u.) type | |
84 | r> base ! | |
85 | ; | |
86 | ||
87 | \ Initialize MAC interface state | |
88 | : ether-ifinit ( -- ) | |
89 | if-data >r | |
90 | HWTYPE_ETHER r@ >if-htype c! | |
91 | /ether-addr r@ >if-addrlen c! | |
92 | /ether-header r@ >if-hdrlen c! | |
93 | ETHERMTU r@ >if-mtu l! | |
94 | mac-address r@ >if-hwaddr swap move | |
95 | r@ >if-broadcast /ether-addr h# ff fill | |
96 | ['] ether-output r@ >if-output ! | |
97 | ['] ether-input r@ >if-input ! | |
98 | ['] .enaddr r> >if-showaddr ! | |
99 | ; | |
100 | ||
101 | : ether-ifclose ( -- ) ; | |
102 | ||
103 | headers |