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_recv(struct nic nic, struct pbuf p)
	29	{
	30	struct eth_hdr *ethhdr;
	31
	32	LINK_STATS_INC(link.recv);
	33
	34	ethhdr = p->payload;
	35
	36	switch (htons(ethhdr->type)) {
	37	case ETHTYPE_IP:
	38	case ETHTYPE_ARP:
	39	if (_netif.input(p, &_netif) != ERR_OK)
	40	{
	41	LWIP_DEBUGF(NETIF_DEBUG, ("netdev_input: IP input error\n"));
	42	pbuf_free(p);
	43	}
	44	break;
	45
	46	default:
	47	outputf("Unhandled packet type %04x input", ethhdr->type);
	48	pbuf_free(p);
	49	break;
	50	}
	51	}
	52
	53	void eth_poll()
	54	{
	55	static int ticks = 0;
	56	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... */
	57
	58	if (!_nic)
	59	return;
	60
	61	smram_tseg_set_state(SMRAM_TSEG_OPEN);
	62
	63	if ((ticks % 1000) == 0) /* About a minute */
	64	dhcp_coarse_tmr();
	65	if ((ticks % 8) == 0) /* About 500msec*/
	66	dhcp_fine_tmr();
	67	if ((ticks % 4) == 0) /* About 250msec*/
	68	tcp_tmr();
	69	ticks++;
	70
	71	while (i > 0)
	72	{
	73	int n = _nic->recv(_nic);
	74	i -= n;
	75	if (n == 0)
	76	break;
	77	}
	78	}
	79
	80	static err_t _transmit(struct netif netif, struct pbuf p)
	81	{
	82	struct nic *nic = netif->state;
	83
	84	// outputf("NIC: Transmit packet");
	85
	86	nic->transmit(nic, p);
	87
	88	LINK_STATS_INC(link.xmit);
	89
	90	return ERR_OK;
	91	}
	92
	93	static err_t _init(struct netif *netif)
	94	{
	95	struct nic *nic = netif->state;
	96
	97	LWIP_ASSERT("netif != NULL", (netif != NULL));
	98
	99	#if LWIP_NETIF_HOSTNAME
	100	netif->hostname = "netwatch";
	101	#endif
	102
	103	NETIF_INIT_SNMP(netif, snmp_ifType_ethernet_csmacd, 100000000);
	104
	105	netif->name[0] = 'e';
	106	netif->name[1] = 'n';
	107	netif->output = etharp_output;
	108	netif->linkoutput = _transmit;
	109
	110	memcpy(netif->hwaddr, nic->hwaddr, 6);
	111	netif->mtu = 1500;
	112	netif->hwaddr_len = ETHARP_HWADDR_LEN;
	113	netif->flags = NETIF_FLAG_BROADCAST \| NETIF_FLAG_ETHARP \| NETIF_FLAG_LINK_UP;
	114
	115	return ERR_OK;
	116	}
	117
	118	int eth_register(struct nic *nic)
	119	{
	120	static struct ip_addr ipa = { 0 } , netmask = { 0 } , gw = { 0 };
	121
	122	if (_nic)
	123	return -1;
	124	netif_add(&_netif, &ipa, &netmask, &gw, (void*)nic, _init, ethernet_input);
	125	netif_set_default(&_netif);
	126	netif_set_up(&_netif);
	127	dhcp_start(&_netif);
	128	_nic = nic;
	129	return 0;
	130	}
	131
	132	void eth_init()
	133	{
	134	extern void httpd_init();
	135
	136	/* Required for DMA to work. :( */
	137	smram_tseg_set_state(SMRAM_TSEG_OPEN);
	138	lwip_init();
	139	httpd_init();
	140
	141	rfb_init();
	142
	143	}