etherlabmaster: master/device.c@f8a1e9f364a3 (annotated)

39 6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 33 diff changeset	1	/******************************************************************************
0 05c992bf5847 trunk, tags und branches Florian Pose <fp@igh-essen.com> parents: diff changeset	2	*
54 7506e67dd122 Vereinheitlichte Schnittstellen, Include-Verzeichnis und Module getrennt. Florian Pose <fp@igh-essen.com> parents: 42 diff changeset	3	* d e v i c e . c
0 05c992bf5847 trunk, tags und branches Florian Pose <fp@igh-essen.com> parents: diff changeset	4	*
195 674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	5	* EtherCAT device methods.
0 05c992bf5847 trunk, tags und branches Florian Pose <fp@igh-essen.com> parents: diff changeset	6	*
39 6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 33 diff changeset	7	* $Id$
0 05c992bf5847 trunk, tags und branches Florian Pose <fp@igh-essen.com> parents: diff changeset	8	*
39 6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 33 diff changeset	9	*****************************************************************************/
0 05c992bf5847 trunk, tags und branches Florian Pose <fp@igh-essen.com> parents: diff changeset	10
24 d417dd9bdc2f Wilhelms ?nderungen ?bernommen. Florian Pose <fp@igh-essen.com> parents: 23 diff changeset	11	#include <linux/module.h>
0 05c992bf5847 trunk, tags und branches Florian Pose <fp@igh-essen.com> parents: diff changeset	12	#include <linux/skbuff.h>
05c992bf5847 trunk, tags und branches Florian Pose <fp@igh-essen.com> parents: diff changeset	13	#include <linux/if_ether.h>
05c992bf5847 trunk, tags und branches Florian Pose <fp@igh-essen.com> parents: diff changeset	14	#include <linux/netdevice.h>
2 b0a7a4745bf9 ?nderungen an no_rtai r110:110 in drivers gemergt. Florian Pose <fp@igh-essen.com> parents: 0 diff changeset	15	#include <linux/delay.h>
0 05c992bf5847 trunk, tags und branches Florian Pose <fp@igh-essen.com> parents: diff changeset	16
54 7506e67dd122 Vereinheitlichte Schnittstellen, Include-Verzeichnis und Module getrennt. Florian Pose <fp@igh-essen.com> parents: 42 diff changeset	17	#include "device.h"
78 3d74183d6c6b Frame-Debugging ins Device ausgelagert und verbessert. Florian Pose <fp@igh-essen.com> parents: 73 diff changeset	18	#include "master.h"
0 05c992bf5847 trunk, tags und branches Florian Pose <fp@igh-essen.com> parents: diff changeset	19
39 6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 33 diff changeset	20	/*****************************************************************************/
0 05c992bf5847 trunk, tags und branches Florian Pose <fp@igh-essen.com> parents: diff changeset	21
05c992bf5847 trunk, tags und branches Florian Pose <fp@igh-essen.com> parents: diff changeset	22	/**
195 674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	23	Device constructor.
674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	24	\return 0 in case of success, else < 0
674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	25	*/
674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	26
674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	27	int ec_device_init(ec_device_t device, /< EtherCAT device /
674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	28	ec_master_t master, /< master owning the device /
674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	29	struct net_device net_dev, /< net_device structure /
674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	30	ec_isr_t isr, /*< pointer to device's ISR /
674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	31	struct module module /< pointer to the owning module /
78 3d74183d6c6b Frame-Debugging ins Device ausgelagert und verbessert. Florian Pose <fp@igh-essen.com> parents: 73 diff changeset	32	)
3d74183d6c6b Frame-Debugging ins Device ausgelagert und verbessert. Florian Pose <fp@igh-essen.com> parents: 73 diff changeset	33	{
98 f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen). Florian Pose <fp@igh-essen.com> parents: 97 diff changeset	34	struct ethhdr *eth;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen). Florian Pose <fp@igh-essen.com> parents: 97 diff changeset	35
78 3d74183d6c6b Frame-Debugging ins Device ausgelagert und verbessert. Florian Pose <fp@igh-essen.com> parents: 73 diff changeset	36	device->master = master;
98 f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen). Florian Pose <fp@igh-essen.com> parents: 97 diff changeset	37	device->dev = net_dev;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen). Florian Pose <fp@igh-essen.com> parents: 97 diff changeset	38	device->isr = isr;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen). Florian Pose <fp@igh-essen.com> parents: 97 diff changeset	39	device->module = module;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen). Florian Pose <fp@igh-essen.com> parents: 97 diff changeset	40
78 3d74183d6c6b Frame-Debugging ins Device ausgelagert und verbessert. Florian Pose <fp@igh-essen.com> parents: 73 diff changeset	41	device->open = 0;
96 080b46eb6e2d Link-State im Device. Florian Pose <fp@igh-essen.com> parents: 91 diff changeset	42	device->link_state = 0; // down
78 3d74183d6c6b Frame-Debugging ins Device ausgelagert und verbessert. Florian Pose <fp@igh-essen.com> parents: 73 diff changeset	43
98 f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen). Florian Pose <fp@igh-essen.com> parents: 97 diff changeset	44	if (!(device->tx_skb = dev_alloc_skb(ETH_HLEN + EC_MAX_FRAME_SIZE))) {
84 b4ae98855cea printk durch Makros ersetzt. Florian Pose <fp@igh-essen.com> parents: 78 diff changeset	45	EC_ERR("Error allocating device socket buffer!\n");
73 9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst. Florian Pose <fp@igh-essen.com> parents: 70 diff changeset	46	return -1;
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst. Florian Pose <fp@igh-essen.com> parents: 70 diff changeset	47	}
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst. Florian Pose <fp@igh-essen.com> parents: 70 diff changeset	48
98 f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen). Florian Pose <fp@igh-essen.com> parents: 97 diff changeset	49	device->tx_skb->dev = net_dev;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen). Florian Pose <fp@igh-essen.com> parents: 97 diff changeset	50
195 674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	51	// add Ethernet-II-header
98 f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen). Florian Pose <fp@igh-essen.com> parents: 97 diff changeset	52	skb_reserve(device->tx_skb, ETH_HLEN);
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen). Florian Pose <fp@igh-essen.com> parents: 97 diff changeset	53	eth = (struct ethhdr *) skb_push(device->tx_skb, ETH_HLEN);
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen). Florian Pose <fp@igh-essen.com> parents: 97 diff changeset	54	eth->h_proto = htons(0x88A4);
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen). Florian Pose <fp@igh-essen.com> parents: 97 diff changeset	55	memcpy(eth->h_source, net_dev->dev_addr, net_dev->addr_len);
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen). Florian Pose <fp@igh-essen.com> parents: 97 diff changeset	56	memset(eth->h_dest, 0xFF, net_dev->addr_len);
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen). Florian Pose <fp@igh-essen.com> parents: 97 diff changeset	57
73 9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst. Florian Pose <fp@igh-essen.com> parents: 70 diff changeset	58	return 0;
39 6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 33 diff changeset	59	}
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 33 diff changeset	60
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 33 diff changeset	61	/*****************************************************************************/
0 05c992bf5847 trunk, tags und branches Florian Pose <fp@igh-essen.com> parents: diff changeset	62
05c992bf5847 trunk, tags und branches Florian Pose <fp@igh-essen.com> parents: diff changeset	63	/**
195 674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	64	EtherCAT device destuctor.
674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	65	*/
674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	66
674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	67	void ec_device_clear(ec_device_t device /< EtherCAT device /)
78 3d74183d6c6b Frame-Debugging ins Device ausgelagert und verbessert. Florian Pose <fp@igh-essen.com> parents: 73 diff changeset	68	{
3d74183d6c6b Frame-Debugging ins Device ausgelagert und verbessert. Florian Pose <fp@igh-essen.com> parents: 73 diff changeset	69	if (device->open) ec_device_close(device);
98 f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen). Florian Pose <fp@igh-essen.com> parents: 97 diff changeset	70	if (device->tx_skb) dev_kfree_skb(device->tx_skb);
0 05c992bf5847 trunk, tags und branches Florian Pose <fp@igh-essen.com> parents: diff changeset	71	}
05c992bf5847 trunk, tags und branches Florian Pose <fp@igh-essen.com> parents: diff changeset	72
39 6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 33 diff changeset	73	/*****************************************************************************/
0 05c992bf5847 trunk, tags und branches Florian Pose <fp@igh-essen.com> parents: diff changeset	74
05c992bf5847 trunk, tags und branches Florian Pose <fp@igh-essen.com> parents: diff changeset	75	/**
195 674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	76	Opens the EtherCAT device.
674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	77	\return 0 in case of success, else < 0
674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	78	*/
674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	79
674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	80	int ec_device_open(ec_device_t device /< EtherCAT device /)
0 05c992bf5847 trunk, tags und branches Florian Pose <fp@igh-essen.com> parents: diff changeset	81	{
73 9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst. Florian Pose <fp@igh-essen.com> parents: 70 diff changeset	82	unsigned int i;
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst. Florian Pose <fp@igh-essen.com> parents: 70 diff changeset	83
78 3d74183d6c6b Frame-Debugging ins Device ausgelagert und verbessert. Florian Pose <fp@igh-essen.com> parents: 73 diff changeset	84	if (!device->dev) {
84 b4ae98855cea printk durch Makros ersetzt. Florian Pose <fp@igh-essen.com> parents: 78 diff changeset	85	EC_ERR("No net_device to open!\n");
73 9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst. Florian Pose <fp@igh-essen.com> parents: 70 diff changeset	86	return -1;
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst. Florian Pose <fp@igh-essen.com> parents: 70 diff changeset	87	}
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst. Florian Pose <fp@igh-essen.com> parents: 70 diff changeset	88
78 3d74183d6c6b Frame-Debugging ins Device ausgelagert und verbessert. Florian Pose <fp@igh-essen.com> parents: 73 diff changeset	89	if (device->open) {
84 b4ae98855cea printk durch Makros ersetzt. Florian Pose <fp@igh-essen.com> parents: 78 diff changeset	90	EC_WARN("Device already opened!\n");
91 0120d6214948 Code-Dokumentation angepasst. Florian Pose <fp@igh-essen.com> parents: 84 diff changeset	91	return 0;
0120d6214948 Code-Dokumentation angepasst. Florian Pose <fp@igh-essen.com> parents: 84 diff changeset	92	}
0120d6214948 Code-Dokumentation angepasst. Florian Pose <fp@igh-essen.com> parents: 84 diff changeset	93
195 674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	94	// device could have received frames before
91 0120d6214948 Code-Dokumentation angepasst. Florian Pose <fp@igh-essen.com> parents: 84 diff changeset	95	for (i = 0; i < 4; i++) ec_device_call_isr(device);
0120d6214948 Code-Dokumentation angepasst. Florian Pose <fp@igh-essen.com> parents: 84 diff changeset	96
96 080b46eb6e2d Link-State im Device. Florian Pose <fp@igh-essen.com> parents: 91 diff changeset	97	device->link_state = 0;
91 0120d6214948 Code-Dokumentation angepasst. Florian Pose <fp@igh-essen.com> parents: 84 diff changeset	98
0120d6214948 Code-Dokumentation angepasst. Florian Pose <fp@igh-essen.com> parents: 84 diff changeset	99	if (device->dev->open(device->dev) == 0) device->open = 1;
78 3d74183d6c6b Frame-Debugging ins Device ausgelagert und verbessert. Florian Pose <fp@igh-essen.com> parents: 73 diff changeset	100
3d74183d6c6b Frame-Debugging ins Device ausgelagert und verbessert. Florian Pose <fp@igh-essen.com> parents: 73 diff changeset	101	return device->open ? 0 : -1;
0 05c992bf5847 trunk, tags und branches Florian Pose <fp@igh-essen.com> parents: diff changeset	102	}
05c992bf5847 trunk, tags und branches Florian Pose <fp@igh-essen.com> parents: diff changeset	103
39 6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 33 diff changeset	104	/*****************************************************************************/
0 05c992bf5847 trunk, tags und branches Florian Pose <fp@igh-essen.com> parents: diff changeset	105
05c992bf5847 trunk, tags und branches Florian Pose <fp@igh-essen.com> parents: diff changeset	106	/**
195 674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	107	Stops the EtherCAT device.
674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	108	\return 0 in case of success, else < 0
674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	109	*/
674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	110
674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	111	int ec_device_close(ec_device_t device /< EtherCAT device /)
78 3d74183d6c6b Frame-Debugging ins Device ausgelagert und verbessert. Florian Pose <fp@igh-essen.com> parents: 73 diff changeset	112	{
3d74183d6c6b Frame-Debugging ins Device ausgelagert und verbessert. Florian Pose <fp@igh-essen.com> parents: 73 diff changeset	113	if (!device->dev) {
84 b4ae98855cea printk durch Makros ersetzt. Florian Pose <fp@igh-essen.com> parents: 78 diff changeset	114	EC_ERR("No device to close!\n");
73 9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst. Florian Pose <fp@igh-essen.com> parents: 70 diff changeset	115	return -1;
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst. Florian Pose <fp@igh-essen.com> parents: 70 diff changeset	116	}
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst. Florian Pose <fp@igh-essen.com> parents: 70 diff changeset	117
78 3d74183d6c6b Frame-Debugging ins Device ausgelagert und verbessert. Florian Pose <fp@igh-essen.com> parents: 73 diff changeset	118	if (!device->open) {
84 b4ae98855cea printk durch Makros ersetzt. Florian Pose <fp@igh-essen.com> parents: 78 diff changeset	119	EC_WARN("Device already closed!\n");
98 f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen). Florian Pose <fp@igh-essen.com> parents: 97 diff changeset	120	return 0;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen). Florian Pose <fp@igh-essen.com> parents: 97 diff changeset	121	}
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen). Florian Pose <fp@igh-essen.com> parents: 97 diff changeset	122
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen). Florian Pose <fp@igh-essen.com> parents: 97 diff changeset	123	if (device->dev->stop(device->dev) == 0) device->open = 0;
78 3d74183d6c6b Frame-Debugging ins Device ausgelagert und verbessert. Florian Pose <fp@igh-essen.com> parents: 73 diff changeset	124
3d74183d6c6b Frame-Debugging ins Device ausgelagert und verbessert. Florian Pose <fp@igh-essen.com> parents: 73 diff changeset	125	return !device->open ? 0 : -1;
73 9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst. Florian Pose <fp@igh-essen.com> parents: 70 diff changeset	126	}
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst. Florian Pose <fp@igh-essen.com> parents: 70 diff changeset	127
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst. Florian Pose <fp@igh-essen.com> parents: 70 diff changeset	128	/*****************************************************************************/
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst. Florian Pose <fp@igh-essen.com> parents: 70 diff changeset	129
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst. Florian Pose <fp@igh-essen.com> parents: 70 diff changeset	130	/**
195 674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	131	Returns a pointer to the device's transmit memory.
674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	132	\return pointer to the TX socket buffer
674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	133	*/
674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	134
674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	135	uint8_t ec_device_tx_data(ec_device_t device /*< EtherCAT device /)
98 f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen). Florian Pose <fp@igh-essen.com> parents: 97 diff changeset	136	{
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen). Florian Pose <fp@igh-essen.com> parents: 97 diff changeset	137	return device->tx_skb->data + ETH_HLEN;
0 05c992bf5847 trunk, tags und branches Florian Pose <fp@igh-essen.com> parents: diff changeset	138	}
05c992bf5847 trunk, tags und branches Florian Pose <fp@igh-essen.com> parents: diff changeset	139
39 6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 33 diff changeset	140	/*****************************************************************************/
0 05c992bf5847 trunk, tags und branches Florian Pose <fp@igh-essen.com> parents: diff changeset	141
05c992bf5847 trunk, tags und branches Florian Pose <fp@igh-essen.com> parents: diff changeset	142	/**
195 674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	143	Sends the content of the transmit socket buffer.
674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	144	Cuts the socket buffer content to the (now known) size, and calls the
674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	145	start_xmit() function of the assigned net_device.
674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	146	*/
674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	147
674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	148	void ec_device_send(ec_device_t device, /< EtherCAT device /
674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	149	size_t size /*< number of bytes to send /
73 9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst. Florian Pose <fp@igh-essen.com> parents: 70 diff changeset	150	)
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst. Florian Pose <fp@igh-essen.com> parents: 70 diff changeset	151	{
97 e6264685dd7b Link-Down-Verhalten verbessert. Florian Pose <fp@igh-essen.com> parents: 96 diff changeset	152	if (unlikely(!device->link_state)) // Link down
96 080b46eb6e2d Link-State im Device. Florian Pose <fp@igh-essen.com> parents: 91 diff changeset	153	return;
080b46eb6e2d Link-State im Device. Florian Pose <fp@igh-essen.com> parents: 91 diff changeset	154
195 674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	155	// set the right length for the data
98 f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen). Florian Pose <fp@igh-essen.com> parents: 97 diff changeset	156	device->tx_skb->len = ETH_HLEN + size;
78 3d74183d6c6b Frame-Debugging ins Device ausgelagert und verbessert. Florian Pose <fp@igh-essen.com> parents: 73 diff changeset	157
3d74183d6c6b Frame-Debugging ins Device ausgelagert und verbessert. Florian Pose <fp@igh-essen.com> parents: 73 diff changeset	158	if (unlikely(device->master->debug_level > 1)) {
98 f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen). Florian Pose <fp@igh-essen.com> parents: 97 diff changeset	159	EC_DBG("sending frame:\n");
152 9654f3cf588d Plugfest: Globale Debug-Funktionen f?r Frame-Daten. Florian Pose <fp@igh-essen.com> parents: 104 diff changeset	160	ec_print_data(device->tx_skb->data + ETH_HLEN, size);
78 3d74183d6c6b Frame-Debugging ins Device ausgelagert und verbessert. Florian Pose <fp@igh-essen.com> parents: 73 diff changeset	161	}
73 9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst. Florian Pose <fp@igh-essen.com> parents: 70 diff changeset	162
195 674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	163	// start sending
78 3d74183d6c6b Frame-Debugging ins Device ausgelagert und verbessert. Florian Pose <fp@igh-essen.com> parents: 73 diff changeset	164	device->dev->hard_start_xmit(device->tx_skb, device->dev);
73 9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst. Florian Pose <fp@igh-essen.com> parents: 70 diff changeset	165	}
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst. Florian Pose <fp@igh-essen.com> parents: 70 diff changeset	166
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst. Florian Pose <fp@igh-essen.com> parents: 70 diff changeset	167	/*****************************************************************************/
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst. Florian Pose <fp@igh-essen.com> parents: 70 diff changeset	168
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst. Florian Pose <fp@igh-essen.com> parents: 70 diff changeset	169	/**
195 674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	170	Calls the interrupt service routine of the assigned net_device.
674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	171	*/
674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	172
674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	173	void ec_device_call_isr(ec_device_t device /< EtherCAT device /)
78 3d74183d6c6b Frame-Debugging ins Device ausgelagert und verbessert. Florian Pose <fp@igh-essen.com> parents: 73 diff changeset	174	{
3d74183d6c6b Frame-Debugging ins Device ausgelagert und verbessert. Florian Pose <fp@igh-essen.com> parents: 73 diff changeset	175	if (likely(device->isr)) device->isr(0, device->dev, NULL);
39 6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 33 diff changeset	176	}
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 33 diff changeset	177
54 7506e67dd122 Vereinheitlichte Schnittstellen, Include-Verzeichnis und Module getrennt. Florian Pose <fp@igh-essen.com> parents: 42 diff changeset	178	/******************************************************************************
195 674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	179	* Device interface
54 7506e67dd122 Vereinheitlichte Schnittstellen, Include-Verzeichnis und Module getrennt. Florian Pose <fp@igh-essen.com> parents: 42 diff changeset	180	*****************************************************************************/
7506e67dd122 Vereinheitlichte Schnittstellen, Include-Verzeichnis und Module getrennt. Florian Pose <fp@igh-essen.com> parents: 42 diff changeset	181
78 3d74183d6c6b Frame-Debugging ins Device ausgelagert und verbessert. Florian Pose <fp@igh-essen.com> parents: 73 diff changeset	182	/**
195 674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	183	Accepts a received frame.
674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	184	Forwards the received data to the master.
674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	185	*/
674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	186
674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	187	void ecdev_receive(ec_device_t device, /< EtherCAT device /
674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	188	const void data, /< pointer to receibed data /
674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	189	size_t size /*< number of bytes received /
104 052bc82d5442 MERGE branches/async -> trunk (alle Unterschiede ?bernommen) Florian Pose <fp@igh-essen.com> parents: 101 diff changeset	190	)
73 9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst. Florian Pose <fp@igh-essen.com> parents: 70 diff changeset	191	{
78 3d74183d6c6b Frame-Debugging ins Device ausgelagert und verbessert. Florian Pose <fp@igh-essen.com> parents: 73 diff changeset	192	if (unlikely(device->master->debug_level > 1)) {
84 b4ae98855cea printk durch Makros ersetzt. Florian Pose <fp@igh-essen.com> parents: 78 diff changeset	193	EC_DBG("Received frame:\n");
152 9654f3cf588d Plugfest: Globale Debug-Funktionen f?r Frame-Daten. Florian Pose <fp@igh-essen.com> parents: 104 diff changeset	194	ec_print_data_diff(device->tx_skb->data + ETH_HLEN, data, size);
98 f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen). Florian Pose <fp@igh-essen.com> parents: 97 diff changeset	195	}
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen). Florian Pose <fp@igh-essen.com> parents: 97 diff changeset	196
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen). Florian Pose <fp@igh-essen.com> parents: 97 diff changeset	197	ec_master_receive(device->master, data, size);
54 7506e67dd122 Vereinheitlichte Schnittstellen, Include-Verzeichnis und Module getrennt. Florian Pose <fp@igh-essen.com> parents: 42 diff changeset	198	}
7506e67dd122 Vereinheitlichte Schnittstellen, Include-Verzeichnis und Module getrennt. Florian Pose <fp@igh-essen.com> parents: 42 diff changeset	199
7506e67dd122 Vereinheitlichte Schnittstellen, Include-Verzeichnis und Module getrennt. Florian Pose <fp@igh-essen.com> parents: 42 diff changeset	200	/*****************************************************************************/
7506e67dd122 Vereinheitlichte Schnittstellen, Include-Verzeichnis und Module getrennt. Florian Pose <fp@igh-essen.com> parents: 42 diff changeset	201
96 080b46eb6e2d Link-State im Device. Florian Pose <fp@igh-essen.com> parents: 91 diff changeset	202	/**
195 674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	203	Sets a new link state.
674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	204	*/
674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	205
674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	206	void ecdev_link_state(ec_device_t device, /< EtherCAT device /
674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	207	uint8_t state /*< new link state /
104 052bc82d5442 MERGE branches/async -> trunk (alle Unterschiede ?bernommen) Florian Pose <fp@igh-essen.com> parents: 101 diff changeset	208	)
052bc82d5442 MERGE branches/async -> trunk (alle Unterschiede ?bernommen) Florian Pose <fp@igh-essen.com> parents: 101 diff changeset	209	{
191 ca805255a935 Prepared Free-Run mode Florian Pose <fp@igh-essen.com> parents: 152 diff changeset	210	if (unlikely(!device)) {
ca805255a935 Prepared Free-Run mode Florian Pose <fp@igh-essen.com> parents: 152 diff changeset	211	EC_WARN("ecdev_link_state: no device!\n");
ca805255a935 Prepared Free-Run mode Florian Pose <fp@igh-essen.com> parents: 152 diff changeset	212	return;
ca805255a935 Prepared Free-Run mode Florian Pose <fp@igh-essen.com> parents: 152 diff changeset	213	}
ca805255a935 Prepared Free-Run mode Florian Pose <fp@igh-essen.com> parents: 152 diff changeset	214
104 052bc82d5442 MERGE branches/async -> trunk (alle Unterschiede ?bernommen) Florian Pose <fp@igh-essen.com> parents: 101 diff changeset	215	if (likely(state != device->link_state)) {
96 080b46eb6e2d Link-State im Device. Florian Pose <fp@igh-essen.com> parents: 91 diff changeset	216	device->link_state = state;
080b46eb6e2d Link-State im Device. Florian Pose <fp@igh-essen.com> parents: 91 diff changeset	217	EC_INFO("Link state changed to %s.\n", (state ? "UP" : "DOWN"));
080b46eb6e2d Link-State im Device. Florian Pose <fp@igh-essen.com> parents: 91 diff changeset	218	}
080b46eb6e2d Link-State im Device. Florian Pose <fp@igh-essen.com> parents: 91 diff changeset	219	}
080b46eb6e2d Link-State im Device. Florian Pose <fp@igh-essen.com> parents: 91 diff changeset	220
080b46eb6e2d Link-State im Device. Florian Pose <fp@igh-essen.com> parents: 91 diff changeset	221	/*****************************************************************************/
080b46eb6e2d Link-State im Device. Florian Pose <fp@igh-essen.com> parents: 91 diff changeset	222
104 052bc82d5442 MERGE branches/async -> trunk (alle Unterschiede ?bernommen) Florian Pose <fp@igh-essen.com> parents: 101 diff changeset	223	EXPORT_SYMBOL(ecdev_receive);
052bc82d5442 MERGE branches/async -> trunk (alle Unterschiede ?bernommen) Florian Pose <fp@igh-essen.com> parents: 101 diff changeset	224	EXPORT_SYMBOL(ecdev_link_state);
27 d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: 26 diff changeset	225
39 6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 33 diff changeset	226	/*****************************************************************************/

author	Florian Pose <fp@igh-essen.com>
	Thu, 20 Apr 2006 14:34:58 +0000
changeset 196	f8a1e9f364a3
parent 195	674071846ee3
child 197	b9a6e2c22745
child 1618	5cff10efb927
permissions	-rw-r--r--