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	int i = 15; /* Don't process more than 15 packets at a time; we don't want the host to get TOO badly slowed down... */
	34
	35	if (!_nic)
	36	return;
	37
	38	smram_tseg_set_state(SMRAM_TSEG_OPEN);
	39
	40	if ((ticks % 1000) == 0) /* About a minute */
	41	dhcp_coarse_tmr();
	42	if ((ticks % 8) == 0) /* About 500msec*/
	43	dhcp_fine_tmr();
	44	if ((ticks % 4) == 0) /* About 250msec*/
	45	tcp_tmr();
	46	ticks++;
	47
	48	while ((i--) && ((p = _nic->recv(_nic)) != NULL))
	49	{
	50	// outputf("NIC: Packet: %d bytes", p->tot_len);
	51
	52	LINK_STATS_INC(link.recv);
	53
	54	ethhdr = p->payload;
	55
	56	switch (htons(ethhdr->type)) {
	57	case ETHTYPE_IP:
	58	case ETHTYPE_ARP:
	59	if (_netif.input(p, &_netif) != ERR_OK)
	60	{
	61	LWIP_DEBUGF(NETIF_DEBUG, ("netdev_input: IP input error\n"));
	62	pbuf_free(p);
	63	}
	64	break;
	65
	66	default:
	67	outputf("Unhandled packet type %04x input", ethhdr->type);
	68	pbuf_free(p);
	69	break;
	70	}
	71	}
	72	}
	73
	74	static err_t _transmit(struct netif netif, struct pbuf p)
	75	{
	76	struct nic *nic = netif->state;
	77
	78	// outputf("NIC: Transmit packet");
	79
	80	nic->transmit(p);
	81
	82	LINK_STATS_INC(link.xmit);
	83
	84	return ERR_OK;
	85	}
	86
	87	static err_t _init(struct netif *netif)
	88	{
	89	struct nic *nic = netif->state;
	90
	91	LWIP_ASSERT("netif != NULL", (netif != NULL));
	92
	93	#if LWIP_NETIF_HOSTNAME
	94	netif->hostname = "netwatch";
	95	#endif
	96
	97	NETIF_INIT_SNMP(netif, snmp_ifType_ethernet_csmacd, 100000000);
	98
	99	netif->name[0] = 'e';
	100	netif->name[1] = 'n';
	101	netif->output = etharp_output;
	102	netif->linkoutput = _transmit;
	103
	104	memcpy(netif->hwaddr, nic->hwaddr, 6);
	105	netif->mtu = 1500;
	106	netif->hwaddr_len = ETHARP_HWADDR_LEN;
	107	netif->flags = NETIF_FLAG_BROADCAST \| NETIF_FLAG_ETHARP \| NETIF_FLAG_LINK_UP;
	108
	109	return ERR_OK;
	110	}
	111
	112	int eth_register(struct nic *nic)
	113	{
	114	static struct ip_addr ipa = { 0 } , netmask = { 0 } , gw = { 0 };
	115
	116	if (_nic)
	117	return -1;
	118	netif_add(&_netif, &ipa, &netmask, &gw, (void*)nic, _init, ethernet_input);
	119	netif_set_default(&_netif);
	120	netif_set_up(&_netif);
	121	dhcp_start(&_netif);
	122	_nic = nic;
	123	return 0;
	124	}
	125
	126	void eth_init()
	127	{
	128	extern void httpd_init();
	129
	130	/* Required for DMA to work. :( */
	131	smram_tseg_set_state(SMRAM_TSEG_OPEN);
	132	lwip_init();
	133	httpd_init();
	134
	135	rfb_init();
	136
	137	}