Bonjour - Bonjour/Zerconf library

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Dirk-Willem van Gulik (NXP/mbed) / Mbed 2 deprecated Bonjour

Bonjour/Zerconf library

drv/eth/eth_drv.cpp@0:355018f44c9f, 2010-07-21 (annotated)

Committer:: dirkx
Date:: Wed Jul 21 19:25:56 2010 +0000
Revision:: 0:355018f44c9f

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User	Revision	Line number	New contents of line
dirkx	0:355018f44c9f	1
dirkx	0:355018f44c9f	2	/*
dirkx	0:355018f44c9f	3	Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
dirkx	0:355018f44c9f	4
dirkx	0:355018f44c9f	5	Permission is hereby granted, free of charge, to any person obtaining a copy
dirkx	0:355018f44c9f	6	of this software and associated documentation files (the "Software"), to deal
dirkx	0:355018f44c9f	7	in the Software without restriction, including without limitation the rights
dirkx	0:355018f44c9f	8	to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
dirkx	0:355018f44c9f	9	copies of the Software, and to permit persons to whom the Software is
dirkx	0:355018f44c9f	10	furnished to do so, subject to the following conditions:
dirkx	0:355018f44c9f	11
dirkx	0:355018f44c9f	12	The above copyright notice and this permission notice shall be included in
dirkx	0:355018f44c9f	13	all copies or substantial portions of the Software.
dirkx	0:355018f44c9f	14
dirkx	0:355018f44c9f	15	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
dirkx	0:355018f44c9f	16	IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
dirkx	0:355018f44c9f	17	FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
dirkx	0:355018f44c9f	18	AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
dirkx	0:355018f44c9f	19	LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
dirkx	0:355018f44c9f	20	OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
dirkx	0:355018f44c9f	21	THE SOFTWARE.
dirkx	0:355018f44c9f	22	*/
dirkx	0:355018f44c9f	23
dirkx	0:355018f44c9f	24	#include "netCfg.h"
dirkx	0:355018f44c9f	25	#if NET_ETH
dirkx	0:355018f44c9f	26
dirkx	0:355018f44c9f	27	#include "mbed.h"
dirkx	0:355018f44c9f	28
dirkx	0:355018f44c9f	29	Ethernet *pEth = NULL;
dirkx	0:355018f44c9f	30	#ifdef __cplusplus
dirkx	0:355018f44c9f	31	extern "C" {
dirkx	0:355018f44c9f	32	#endif
dirkx	0:355018f44c9f	33
dirkx	0:355018f44c9f	34	#include "lwip/opt.h"
dirkx	0:355018f44c9f	35
dirkx	0:355018f44c9f	36	#include "lwip/def.h"
dirkx	0:355018f44c9f	37	#include "lwip/pbuf.h"
dirkx	0:355018f44c9f	38	#include "lwip/sys.h"
dirkx	0:355018f44c9f	39	#include "lwip/stats.h"
dirkx	0:355018f44c9f	40	#include "netif/etharp.h"
dirkx	0:355018f44c9f	41	#include "string.h"
dirkx	0:355018f44c9f	42
dirkx	0:355018f44c9f	43	//#include "eth_drv.h"
dirkx	0:355018f44c9f	44
dirkx	0:355018f44c9f	45	#define IFNAME0 'E'
dirkx	0:355018f44c9f	46	#define IFNAME1 'X'
dirkx	0:355018f44c9f	47
dirkx	0:355018f44c9f	48	#define min(x,y) (((x)<(y))?(x):(y))
dirkx	0:355018f44c9f	49
dirkx	0:355018f44c9f	50	struct netif* eth_netif;
dirkx	0:355018f44c9f	51
dirkx	0:355018f44c9f	52	static err_t eth_output(struct netif netif, struct pbuf p) {
dirkx	0:355018f44c9f	53	#if ETH_PAD_SIZE
dirkx	0:355018f44c9f	54	pbuf_header(p, -ETH_PAD_SIZE); /* drop the padding word */
dirkx	0:355018f44c9f	55	#endif
dirkx	0:355018f44c9f	56
dirkx	0:355018f44c9f	57	do {
dirkx	0:355018f44c9f	58	pEth->write((const char *)p->payload, p->len);
dirkx	0:355018f44c9f	59	} while((p = p->next)!=NULL);
dirkx	0:355018f44c9f	60
dirkx	0:355018f44c9f	61	pEth->send();
dirkx	0:355018f44c9f	62
dirkx	0:355018f44c9f	63	#if ETH_PAD_SIZE
dirkx	0:355018f44c9f	64	pbuf_header(p, ETH_PAD_SIZE); /* reclaim the padding word */
dirkx	0:355018f44c9f	65	#endif
dirkx	0:355018f44c9f	66
dirkx	0:355018f44c9f	67	LINK_STATS_INC(link.xmit);
dirkx	0:355018f44c9f	68	return ERR_OK;
dirkx	0:355018f44c9f	69	}
dirkx	0:355018f44c9f	70
dirkx	0:355018f44c9f	71	/*
dirkx	0:355018f44c9f	72	void show(char *buf, int size) {
dirkx	0:355018f44c9f	73	printf("Destination: %02hx:%02hx:%02hx:%02hx:%02hx:%02hx\n",
dirkx	0:355018f44c9f	74	buf[0], buf[1], buf[2], buf[3], buf[4], buf[5]);
dirkx	0:355018f44c9f	75	printf("Source: %02hx:%02hx:%02hx:%02hx:%02hx:%02hx\n",
dirkx	0:355018f44c9f	76	buf[6], buf[7], buf[8], buf[9], buf[10], buf[11]);
dirkx	0:355018f44c9f	77
dirkx	0:355018f44c9f	78	printf("Type %hd\n", htons((short)buf[12]));
dirkx	0:355018f44c9f	79
dirkx	0:355018f44c9f	80	// hexview(buf, size);
dirkx	0:355018f44c9f	81	}
dirkx	0:355018f44c9f	82	*/
dirkx	0:355018f44c9f	83
dirkx	0:355018f44c9f	84	void eth_poll() {
dirkx	0:355018f44c9f	85	struct eth_hdr *ethhdr;
dirkx	0:355018f44c9f	86	struct pbuf frame, p;
dirkx	0:355018f44c9f	87	int len, read;
dirkx	0:355018f44c9f	88
dirkx	0:355018f44c9f	89	while((len = pEth->receive()) != 0) {
dirkx	0:355018f44c9f	90	frame = pbuf_alloc(PBUF_RAW, len, PBUF_POOL);
dirkx	0:355018f44c9f	91	if(frame == NULL) {
dirkx	0:355018f44c9f	92	return;
dirkx	0:355018f44c9f	93	}
dirkx	0:355018f44c9f	94	p = frame;
dirkx	0:355018f44c9f	95	/* no packet could be read, silently ignore this */
dirkx	0:355018f44c9f	96	if (p == NULL) return;
dirkx	0:355018f44c9f	97	do {
dirkx	0:355018f44c9f	98	read = pEth->read((char *)p->payload, p->len);
dirkx	0:355018f44c9f	99	p = p->next;
dirkx	0:355018f44c9f	100	} while(p != NULL && read != 0);
dirkx	0:355018f44c9f	101
dirkx	0:355018f44c9f	102	#if ETH_PAD_SIZE
dirkx	0:355018f44c9f	103	pbuf_header(p, ETH_PAD_SIZE);
dirkx	0:355018f44c9f	104	#endif
dirkx	0:355018f44c9f	105
dirkx	0:355018f44c9f	106	ethhdr = (struct eth_hdr *)(frame->payload);
dirkx	0:355018f44c9f	107
dirkx	0:355018f44c9f	108	// show((char*)ethhdr, 13);
dirkx	0:355018f44c9f	109
dirkx	0:355018f44c9f	110	/*
dirkx	0:355018f44c9f	111	switch(htons(ethhdr->type)) {
dirkx	0:355018f44c9f	112
dirkx	0:355018f44c9f	113	case ETHTYPE_IP:
dirkx	0:355018f44c9f	114	etharp_ip_input(gnetif, frame);
dirkx	0:355018f44c9f	115	pbuf_header(frame, -((s16_t) sizeof(struct eth_hdr)));
dirkx	0:355018f44c9f	116	gnetif->input(frame, gnetif);
dirkx	0:355018f44c9f	117	break;
dirkx	0:355018f44c9f	118
dirkx	0:355018f44c9f	119	case ETHTYPE_ARP:
dirkx	0:355018f44c9f	120	etharp_arp_input(gnetif, (struct eth_addr *)(gnetif->hwaddr), frame);
dirkx	0:355018f44c9f	121	break;
dirkx	0:355018f44c9f	122
dirkx	0:355018f44c9f	123	default:
dirkx	0:355018f44c9f	124	break;
dirkx	0:355018f44c9f	125	}*/
dirkx	0:355018f44c9f	126
dirkx	0:355018f44c9f	127
dirkx	0:355018f44c9f	128
dirkx	0:355018f44c9f	129	//ethernet_input(frame, gnetif);
dirkx	0:355018f44c9f	130
dirkx	0:355018f44c9f	131	switch (htons(ethhdr->type)) {
dirkx	0:355018f44c9f	132	/* IP or ARP packet? */
dirkx	0:355018f44c9f	133	case ETHTYPE_IP:
dirkx	0:355018f44c9f	134	case ETHTYPE_ARP:
dirkx	0:355018f44c9f	135	#if PPPOE_SUPPORT
dirkx	0:355018f44c9f	136	/* PPPoE packet? */
dirkx	0:355018f44c9f	137	case ETHTYPE_PPPOEDISC:
dirkx	0:355018f44c9f	138	case ETHTYPE_PPPOE:
dirkx	0:355018f44c9f	139	#endif /* PPPOE_SUPPORT */
dirkx	0:355018f44c9f	140	/* full packet send to tcpip_thread to process */
dirkx	0:355018f44c9f	141	//if (netif->input(p, gnetif)!=ERR_OK)
dirkx	0:355018f44c9f	142	if (ethernet_input(frame, eth_netif)!=ERR_OK)
dirkx	0:355018f44c9f	143	{ LWIP_DEBUGF(NETIF_DEBUG, ("ethernetif_input: IP input error\n"));
dirkx	0:355018f44c9f	144	pbuf_free(frame);
dirkx	0:355018f44c9f	145	frame = NULL;
dirkx	0:355018f44c9f	146	}
dirkx	0:355018f44c9f	147	break;
dirkx	0:355018f44c9f	148
dirkx	0:355018f44c9f	149	default:
dirkx	0:355018f44c9f	150	pbuf_free(frame);
dirkx	0:355018f44c9f	151	frame = NULL;
dirkx	0:355018f44c9f	152	break;
dirkx	0:355018f44c9f	153	}
dirkx	0:355018f44c9f	154
dirkx	0:355018f44c9f	155	/* pbuf_free(frame); */
dirkx	0:355018f44c9f	156	}
dirkx	0:355018f44c9f	157
dirkx	0:355018f44c9f	158
dirkx	0:355018f44c9f	159
dirkx	0:355018f44c9f	160
dirkx	0:355018f44c9f	161	}
dirkx	0:355018f44c9f	162
dirkx	0:355018f44c9f	163	err_t eth_init(struct netif *netif) {
dirkx	0:355018f44c9f	164	LWIP_ASSERT("netif != NULL", (netif != NULL));
dirkx	0:355018f44c9f	165
dirkx	0:355018f44c9f	166	NETIF_INIT_SNMP(netif, snmp_ifType_ethernet_csmacd, 0x2EA);
dirkx	0:355018f44c9f	167
dirkx	0:355018f44c9f	168	/* maximum transfer unit */
dirkx	0:355018f44c9f	169	netif->mtu = 0x2EA;
dirkx	0:355018f44c9f	170
dirkx	0:355018f44c9f	171	/* device capabilities */
dirkx	0:355018f44c9f	172	/* don't set NETIF_FLAG_ETHARP if this device is not an ethernet one */
dirkx	0:355018f44c9f	173	netif->flags = NETIF_FLAG_BROADCAST \| NETIF_FLAG_ETHARP \| NETIF_FLAG_LINK_UP;
dirkx	0:355018f44c9f	174
dirkx	0:355018f44c9f	175	netif->state = NULL;
dirkx	0:355018f44c9f	176	eth_netif = netif;
dirkx	0:355018f44c9f	177
dirkx	0:355018f44c9f	178	netif->name[0] = IFNAME0;
dirkx	0:355018f44c9f	179	netif->name[1] = IFNAME1;
dirkx	0:355018f44c9f	180
dirkx	0:355018f44c9f	181	/* We directly use etharp_output() here to save a function call.
dirkx	0:355018f44c9f	182	* You can instead declare your own function an call etharp_output()
dirkx	0:355018f44c9f	183	* from it if you have to do some checks before sending (e.g. if link
dirkx	0:355018f44c9f	184	* is available...) */
dirkx	0:355018f44c9f	185	netif->output = etharp_output;
dirkx	0:355018f44c9f	186	netif->linkoutput = eth_output;
dirkx	0:355018f44c9f	187
dirkx	0:355018f44c9f	188	pEth = new Ethernet();
dirkx	0:355018f44c9f	189
dirkx	0:355018f44c9f	190	return ERR_OK;
dirkx	0:355018f44c9f	191	}
dirkx	0:355018f44c9f	192
dirkx	0:355018f44c9f	193	void eth_free()
dirkx	0:355018f44c9f	194	{
dirkx	0:355018f44c9f	195	if(pEth)
dirkx	0:355018f44c9f	196	delete pEth;
dirkx	0:355018f44c9f	197	pEth = NULL;
dirkx	0:355018f44c9f	198	}
dirkx	0:355018f44c9f	199
dirkx	0:355018f44c9f	200	void eth_address(char* mac) {
dirkx	0:355018f44c9f	201	pEth->address(mac);
dirkx	0:355018f44c9f	202	}
dirkx	0:355018f44c9f	203
dirkx	0:355018f44c9f	204	#ifdef __cplusplus
dirkx	0:355018f44c9f	205	};
dirkx	0:355018f44c9f	206	#endif
dirkx	0:355018f44c9f	207
dirkx	0:355018f44c9f	208	#endif

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Type:	Program
Mbed OS support:	Mbed 2 deprecated
Created:	21 Jul 2010
Imports:	99
Forks:	0
Commits:	6
Dependents:	0
Dependencies:	1
Followers:	8

drv/eth/eth_drv.cpp@0:355018f44c9f, 2010-07-21 (annotated)

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