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	struct pbuf *p;
	31	struct eth_hdr *ethhdr;
	32	static int ticks = 0;
	33
	34	if (!_nic)
	35	return;
	36
	37	smram_tseg_set_state(SMRAM_TSEG_OPEN);
	38
	39	if ((ticks % 1000) == 0) /* About a minute */
	40	dhcp_coarse_tmr();
	41	if ((ticks % 8) == 0) /* About 500msec*/
	42	dhcp_fine_tmr();
	43	if ((ticks % 4) == 0) /* About 250msec*/
	44	tcp_tmr();
	45	ticks++;
	46
	47	if ((p = _nic->recv(_nic)) != NULL)
	48	{
	49	// outputf("NIC: Packet: %d bytes", p->tot_len);
	50
	51	LINK_STATS_INC(link.recv);
	52
	53	ethhdr = p->payload;
	54
	55	switch (htons(ethhdr->type)) {
	56	case ETHTYPE_IP:
	57	case ETHTYPE_ARP:
	58	if (_netif.input(p, &_netif) != ERR_OK)
	59	{
	60	LWIP_DEBUGF(NETIF_DEBUG, ("netdev_input: IP input error\n"));
	61	pbuf_free(p);
	62	}
	63	break;
	64
	65	default:
	66	outputf("Unhandled packet type %04x input", ethhdr->type);
	67	pbuf_free(p);
	68	break;
	69	}
	70	}
	71	}
	72
	73	static err_t _transmit(struct netif netif, struct pbuf p)
	74	{
	75	struct nic *nic = netif->state;
	76
	77	// outputf("NIC: Transmit packet");
	78
	79	nic->transmit(p);
	80
	81	LINK_STATS_INC(link.xmit);
	82
	83	return ERR_OK;
	84	}
	85
	86	static err_t _init(struct netif *netif)
	87	{
	88	struct nic *nic = netif->state;
	89
	90	LWIP_ASSERT("netif != NULL", (netif != NULL));
	91
	92	#if LWIP_NETIF_HOSTNAME
	93	netif->hostname = "netwatch";
	94	#endif
	95
	96	NETIF_INIT_SNMP(netif, snmp_ifType_ethernet_csmacd, 100000000);
	97
	98	netif->name[0] = 'e';
	99	netif->name[1] = 'n';
	100	netif->output = etharp_output;
	101	netif->linkoutput = _transmit;
	102
	103	memcpy(netif->hwaddr, nic->hwaddr, 6);
	104	netif->mtu = 1500;
	105	netif->hwaddr_len = ETHARP_HWADDR_LEN;
	106	netif->flags = NETIF_FLAG_BROADCAST \| NETIF_FLAG_ETHARP \| NETIF_FLAG_LINK_UP;
	107
	108	return ERR_OK;
	109	}
	110
	111	int eth_register(struct nic *nic)
	112	{
	113	static struct ip_addr ipa = { 0 } , netmask = { 0 } , gw = { 0 };
	114
	115	if (_nic)
	116	return -1;
	117	netif_add(&_netif, &ipa, &netmask, &gw, (void*)nic, _init, ethernet_input);
	118	netif_set_default(&_netif);
	119	netif_set_up(&_netif);
	120	dhcp_start(&_netif);
	121	_nic = nic;
	122	return 0;
	123	}
	124
	125	void eth_init()
	126	{
	127	extern void httpd_init();
	128
	129	/* Required for DMA to work. :( */
	130	smram_tseg_set_state(SMRAM_TSEG_OPEN);
	131	lwip_init();
	132	httpd_init();
	133
	134	rfb_init();
	135
	136	}