Joshua Wise's Git repositories - netwatch.git/blame_incremental

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Commit	Line	Data
	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	struct pbuf *q;
	100	unsigned char pkt[1600];
	101	unsigned int len = 0;
	102
	103	for(q = p; q != NULL; q = q->next)
	104	{
	105	memcpy(pkt + len, q->payload, q->len);
	106	len += q->len;
	107	}
	108
	109	outputf("NIC: Transmit packet: %d bytes", len);
	110
	111	nic->transmit(len, pkt);
	112
	113	LINK_STATS_INC(link.xmit);
	114
	115	return ERR_OK;
	116	}
	117
	118	static err_t _init(struct netif *netif)
	119	{
	120	struct nic *nic = netif->state;
	121
	122	LWIP_ASSERT("netif != NULL", (netif != NULL));
	123
	124	#if LWIP_NETIF_HOSTNAME
	125	netif->hostname = "netwatch";
	126	#endif
	127
	128	NETIF_INIT_SNMP(netif, snmp_ifType_ethernet_csmacd, 100000000);
	129
	130	netif->name[0] = 'e';
	131	netif->name[1] = 'n';
	132	netif->output = etharp_output;
	133	netif->linkoutput = _transmit;
	134
	135	memcpy(netif->hwaddr, nic->hwaddr, 6);
	136	netif->mtu = 1500;
	137	netif->hwaddr_len = ETHARP_HWADDR_LEN;
	138	netif->flags = NETIF_FLAG_BROADCAST \| NETIF_FLAG_ETHARP \| NETIF_FLAG_LINK_UP;
	139
	140	return ERR_OK;
	141	}
	142
	143	int eth_register(struct nic *nic)
	144	{
	145	static struct ip_addr ipa = { 0 } , netmask = { 0 } , gw = { 0 };
	146
	147	if (_nic)
	148	return -1;
	149	netif_add(&_netif, &ipa, &netmask, &gw, (void*)nic, _init, ethernet_input);
	150	netif_set_default(&_netif);
	151	netif_set_up(&_netif);
	152	dhcp_start(&_netif);
	153	_nic = nic;
	154	return 0;
	155	}
	156
	157	void eth_init()
	158	{
	159	extern void httpd_init();
	160
	161	/* Required for DMA to work. :( */
	162	smram_tseg_set_state(SMRAM_TSEG_OPEN);
	163	lwip_init();
	164	httpd_init();
	165
	166	rfb_init();
	167
	168	}