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1 #include <pci.h>
2 #include <smram.h>
3 #include <pci-bother.h>
4 #include <output.h>
5 #include <minilib.h>
6 #include <lwip/init.h>
7 #include "net.h"
8
9 #include "lwip/opt.h"
10 #include "lwip/def.h"
11 #include "lwip/mem.h"
12 #include "lwip/pbuf.h"
13 #include "lwip/sys.h"
14 #include <lwip/stats.h>
15 #include <lwip/snmp.h>
16 #include <lwip/dhcp.h>
17 #include <lwip/tcp.h>
18 #include "netif/etharp.h"
19 #include "netif/ppp_oe.h"
20
21 #include "rfb.h"
22
23 static struct nic *_nic = 0x0;
24 static struct netif _netif;
25
26 extern struct pci_driver a3c90x_driver;
27
28 void eth_poll()
29 {
30         unsigned char pkt[1600];
31         int len;
32         struct pbuf *p, *q;
33         struct eth_hdr *ethhdr;
34         int pos = 0;
35         static int ticks = 0;
36         
37         if (!_nic)
38                 return;
39         
40         smram_tseg_set_state(SMRAM_TSEG_OPEN);
41         
42         if ((ticks % 1000) == 0)        /* About a minute */
43                 dhcp_coarse_tmr();
44         if ((ticks % 8) == 0)   /* About 500msec*/
45                 dhcp_fine_tmr();
46         if ((ticks % 4) == 0)   /* About 250msec*/
47                 tcp_tmr();
48         ticks++;
49
50         if (_nic->poll(_nic, 0))
51         {
52                 _nic->packet = pkt;
53                 _nic->poll(_nic, 1);
54                 
55                 len = _nic->packetlen;
56                 
57                 outputf("NIC: Packet: %d bytes", len);
58                         
59                 p = pbuf_alloc(PBUF_RAW, len, PBUF_POOL);
60                 if (p == NULL)
61                 {
62                         outputf("NIC: out of memory for packet?");
63                         LINK_STATS_INC(link.memerr);
64                         LINK_STATS_INC(link.drop);
65                         return;
66                 }
67         
68                 for(q = p; q != NULL; q = q->next)
69                 {
70                         memcpy(q->payload, pkt+pos, q->len);
71                         pos += q->len;
72                 }
73                 
74                 LINK_STATS_INC(link.recv);
75                 
76                 ethhdr = p->payload;
77                 
78                 switch (htons(ethhdr->type)) {
79                 case ETHTYPE_IP:
80                 case ETHTYPE_ARP:
81                         if (_netif.input(p, &_netif) != ERR_OK)
82                         {
83                                 LWIP_DEBUGF(NETIF_DEBUG, ("netdev_input: IP input error\n"));
84                                 pbuf_free(p);
85                         }
86                         break;
87                         
88                 default:
89                         outputf("Unhandled packet type %04x input", ethhdr->type);
90                         pbuf_free(p);
91                         break;
92                 }
93         }
94 }
95
96 static err_t _transmit(struct netif *netif, struct pbuf *p)
97 {
98         struct nic *nic = netif->state;
99
100         outputf("NIC: Transmit packet");
101
102         nic->transmit(p);
103
104         LINK_STATS_INC(link.xmit);
105
106         return ERR_OK;
107 }
108
109 static err_t _init(struct netif *netif)
110 {
111         struct nic *nic = netif->state;
112         
113         LWIP_ASSERT("netif != NULL", (netif != NULL));
114                 
115 #if LWIP_NETIF_HOSTNAME
116         netif->hostname = "netwatch";
117 #endif
118         
119         NETIF_INIT_SNMP(netif, snmp_ifType_ethernet_csmacd, 100000000);
120
121         netif->name[0] = 'e';
122         netif->name[1] = 'n';
123         netif->output = etharp_output;
124         netif->linkoutput = _transmit;
125         
126         memcpy(netif->hwaddr, nic->hwaddr, 6);
127         netif->mtu = 1500;
128         netif->hwaddr_len = ETHARP_HWADDR_LEN;
129         netif->flags = NETIF_FLAG_BROADCAST | NETIF_FLAG_ETHARP | NETIF_FLAG_LINK_UP;
130         
131         return ERR_OK;
132 }
133
134 int eth_register(struct nic *nic)
135 {
136         static struct ip_addr ipa = { 0 } , netmask = { 0 } , gw = { 0 };
137         
138         if (_nic)
139                 return -1;
140         netif_add(&_netif, &ipa, &netmask, &gw, (void*)nic, _init, ethernet_input);
141         netif_set_default(&_netif);
142         netif_set_up(&_netif);
143         dhcp_start(&_netif);
144         _nic = nic;
145         return 0;
146 }
147
148 void eth_init()
149 {
150         extern void httpd_init();
151         
152         /* Required for DMA to work. :( */
153         smram_tseg_set_state(SMRAM_TSEG_OPEN);
154         lwip_init();
155         httpd_init();
156
157         rfb_init();
158
159 }
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