adamdunkels | 45c1f13 | 2004-02-16 20:59:49 +0000 | [diff] [blame] | 1 | /* |
adamdunkels | 0a08fda | 2004-07-04 18:33:07 +0000 | [diff] [blame] | 2 | * Copyright (c) 2001-2004, Adam Dunkels. |
adamdunkels | 45c1f13 | 2004-02-16 20:59:49 +0000 | [diff] [blame] | 3 | * All rights reserved. |
| 4 | * |
| 5 | * Redistribution and use in source and binary forms, with or without |
| 6 | * modification, are permitted provided that the following conditions |
| 7 | * are met: |
| 8 | * 1. Redistributions of source code must retain the above copyright |
| 9 | * notice, this list of conditions and the following disclaimer. |
| 10 | * 2. Redistributions in binary form must reproduce the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer in the |
| 12 | * documentation and/or other materials provided with the distribution. |
| 13 | * 3. The name of the author may not be used to endorse or promote |
| 14 | * products derived from this software without specific prior |
| 15 | * written permission. |
| 16 | * |
| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS |
| 18 | * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| 19 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 20 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY |
| 21 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 22 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE |
| 23 | * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 24 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| 25 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
| 26 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| 27 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 28 | * |
| 29 | * This file is part of the uIP TCP/IP stack. |
| 30 | * |
oliverschmidt | 58d1458 | 2005-03-17 21:51:23 +0000 | [diff] [blame] | 31 | * $Id: eth64-drv.c,v 1.2 2005/03/17 21:51:23 oliverschmidt Exp $ |
adamdunkels | 45c1f13 | 2004-02-16 20:59:49 +0000 | [diff] [blame] | 32 | * |
| 33 | */ |
| 34 | |
adamdunkels | 0a08fda | 2004-07-04 18:33:07 +0000 | [diff] [blame] | 35 | #include "packet-service.h" |
adamdunkels | 45c1f13 | 2004-02-16 20:59:49 +0000 | [diff] [blame] | 36 | |
adamdunkels | 45c1f13 | 2004-02-16 20:59:49 +0000 | [diff] [blame] | 37 | #include "lan91c96.h" |
| 38 | |
adamdunkels | 0a08fda | 2004-07-04 18:33:07 +0000 | [diff] [blame] | 39 | #include "uip_arp.h" |
adamdunkels | 45c1f13 | 2004-02-16 20:59:49 +0000 | [diff] [blame] | 40 | |
adamdunkels | 0a08fda | 2004-07-04 18:33:07 +0000 | [diff] [blame] | 41 | static void output(u8_t *hdr, u16_t hdrlen, u8_t *data, u16_t datalen); |
| 42 | |
oliverschmidt | 58d1458 | 2005-03-17 21:51:23 +0000 | [diff] [blame] | 43 | /* 00:80:0F is the OUI of Standard Microsystems, 64:64:64 just means C64 */ |
adamdunkels | 0fbced4 | 2004-09-14 07:31:20 +0000 | [diff] [blame] | 44 | static const struct uip_eth_addr addr = |
oliverschmidt | 58d1458 | 2005-03-17 21:51:23 +0000 | [diff] [blame] | 45 | {{0x00,0x80,0x0f,0x64,0x64,0x64}}; |
adamdunkels | 0fbced4 | 2004-09-14 07:31:20 +0000 | [diff] [blame] | 46 | |
adamdunkels | 0a08fda | 2004-07-04 18:33:07 +0000 | [diff] [blame] | 47 | static const struct packet_service_state state = |
| 48 | { |
| 49 | PACKET_SERVICE_VERSION, |
| 50 | output |
| 51 | }; |
| 52 | |
| 53 | EK_EVENTHANDLER(eventhandler, ev, data); |
| 54 | EK_POLLHANDLER(pollhandler); |
adamdunkels | 7d8085d | 2004-08-09 21:01:52 +0000 | [diff] [blame] | 55 | EK_PROCESS(proc, PACKET_SERVICE_NAME ": ETH64", EK_PRIO_NORMAL, |
adamdunkels | 0a08fda | 2004-07-04 18:33:07 +0000 | [diff] [blame] | 56 | eventhandler, pollhandler, (void *)&state); |
| 57 | |
| 58 | /*---------------------------------------------------------------------------*/ |
adamdunkels | 3d97c2e | 2004-09-19 18:54:13 +0000 | [diff] [blame] | 59 | LOADER_INIT_FUNC(eth64_drv_init, arg) |
adamdunkels | 0a08fda | 2004-07-04 18:33:07 +0000 | [diff] [blame] | 60 | { |
| 61 | arg_free(arg); |
| 62 | ek_service_start(PACKET_SERVICE_NAME, &proc); |
| 63 | } |
| 64 | /*---------------------------------------------------------------------------*/ |
| 65 | static void |
| 66 | output(u8_t *hdr, u16_t hdrlen, u8_t *data, u16_t datalen) |
| 67 | { |
| 68 | uip_arp_out(); |
| 69 | lan91c96_send(); |
| 70 | } |
| 71 | /*---------------------------------------------------------------------------*/ |
| 72 | EK_EVENTHANDLER(eventhandler, ev, data) |
| 73 | { |
| 74 | switch(ev) { |
| 75 | case EK_EVENT_INIT: |
adamdunkels | fb13fb2 | 2004-09-17 20:54:05 +0000 | [diff] [blame] | 76 | case EK_EVENT_REPLACE: |
| 77 | uip_setethaddr(addr); |
adamdunkels | 0a08fda | 2004-07-04 18:33:07 +0000 | [diff] [blame] | 78 | lan91c96_init(); |
| 79 | break; |
| 80 | case EK_EVENT_REQUEST_REPLACE: |
| 81 | ek_replace((struct ek_proc *)data, NULL); |
| 82 | LOADER_UNLOAD(); |
| 83 | break; |
| 84 | case EK_EVENT_REQUEST_EXIT: |
| 85 | ek_exit(); |
| 86 | LOADER_UNLOAD(); |
| 87 | break; |
| 88 | default: |
| 89 | break; |
| 90 | } |
| 91 | } |
| 92 | /*---------------------------------------------------------------------------*/ |
| 93 | EK_POLLHANDLER(pollhandler) |
| 94 | { |
adamdunkels | 45c1f13 | 2004-02-16 20:59:49 +0000 | [diff] [blame] | 95 | #define BUF ((struct uip_eth_hdr *)&uip_buf[0]) |
adamdunkels | 0a08fda | 2004-07-04 18:33:07 +0000 | [diff] [blame] | 96 | |
adamdunkels | 45c1f13 | 2004-02-16 20:59:49 +0000 | [diff] [blame] | 97 | /* Poll Ethernet device to see if there is a frame avaliable. */ |
| 98 | uip_len = lan91c96_poll(); |
| 99 | if(uip_len > 0) { |
| 100 | /* A frame was avaliable (and is now read into the uip_buf), so |
adamdunkels | 0a08fda | 2004-07-04 18:33:07 +0000 | [diff] [blame] | 101 | we process it. */ |
adamdunkels | 45c1f13 | 2004-02-16 20:59:49 +0000 | [diff] [blame] | 102 | if(BUF->type == HTONS(UIP_ETHTYPE_IP)) { |
| 103 | uip_arp_ipin(); |
| 104 | uip_len -= sizeof(struct uip_eth_hdr); |
adamdunkels | 0a08fda | 2004-07-04 18:33:07 +0000 | [diff] [blame] | 105 | tcpip_input(); |
adamdunkels | 45c1f13 | 2004-02-16 20:59:49 +0000 | [diff] [blame] | 106 | } else if(BUF->type == HTONS(UIP_ETHTYPE_ARP)) { |
| 107 | uip_arp_arpin(); |
| 108 | /* If the above function invocation resulted in data that |
adamdunkels | 0a08fda | 2004-07-04 18:33:07 +0000 | [diff] [blame] | 109 | should be sent out on the network, the global variable |
| 110 | uip_len is set to a value > 0. */ |
adamdunkels | 45c1f13 | 2004-02-16 20:59:49 +0000 | [diff] [blame] | 111 | if(uip_len > 0) { |
adamdunkels | 0a08fda | 2004-07-04 18:33:07 +0000 | [diff] [blame] | 112 | lan91c96_send(); |
adamdunkels | 45c1f13 | 2004-02-16 20:59:49 +0000 | [diff] [blame] | 113 | } |
| 114 | } |
| 115 | } |
adamdunkels | 45c1f13 | 2004-02-16 20:59:49 +0000 | [diff] [blame] | 116 | |
adamdunkels | 45c1f13 | 2004-02-16 20:59:49 +0000 | [diff] [blame] | 117 | } |
adamdunkels | 0a08fda | 2004-07-04 18:33:07 +0000 | [diff] [blame] | 118 | /*---------------------------------------------------------------------------*/ |