etherlabmaster: master/device.c@b9a6e2c22745 (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	*
197 b9a6e2c22745 GPLv2 License and enhanced Doxygen output. Florian Pose <fp@igh-essen.com> parents: 195 diff changeset	9	* Copyright (C) 2006 Florian Pose, Ingenieurgemeinschaft IgH
b9a6e2c22745 GPLv2 License and enhanced Doxygen output. Florian Pose <fp@igh-essen.com> parents: 195 diff changeset	10	*
b9a6e2c22745 GPLv2 License and enhanced Doxygen output. Florian Pose <fp@igh-essen.com> parents: 195 diff changeset	11	* This file is part of the IgH EtherCAT Master.
b9a6e2c22745 GPLv2 License and enhanced Doxygen output. Florian Pose <fp@igh-essen.com> parents: 195 diff changeset	12	*
b9a6e2c22745 GPLv2 License and enhanced Doxygen output. Florian Pose <fp@igh-essen.com> parents: 195 diff changeset	13	* The IgH EtherCAT Master is free software; you can redistribute it
b9a6e2c22745 GPLv2 License and enhanced Doxygen output. Florian Pose <fp@igh-essen.com> parents: 195 diff changeset	14	* and/or modify it under the terms of the GNU General Public License
b9a6e2c22745 GPLv2 License and enhanced Doxygen output. Florian Pose <fp@igh-essen.com> parents: 195 diff changeset	15	* as published by the Free Software Foundation; version 2 of the License.
b9a6e2c22745 GPLv2 License and enhanced Doxygen output. Florian Pose <fp@igh-essen.com> parents: 195 diff changeset	16	*
b9a6e2c22745 GPLv2 License and enhanced Doxygen output. Florian Pose <fp@igh-essen.com> parents: 195 diff changeset	17	* The IgH EtherCAT Master is distributed in the hope that it will be
b9a6e2c22745 GPLv2 License and enhanced Doxygen output. Florian Pose <fp@igh-essen.com> parents: 195 diff changeset	18	* useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
b9a6e2c22745 GPLv2 License and enhanced Doxygen output. Florian Pose <fp@igh-essen.com> parents: 195 diff changeset	19	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
b9a6e2c22745 GPLv2 License and enhanced Doxygen output. Florian Pose <fp@igh-essen.com> parents: 195 diff changeset	20	* GNU General Public License for more details.
b9a6e2c22745 GPLv2 License and enhanced Doxygen output. Florian Pose <fp@igh-essen.com> parents: 195 diff changeset	21	*
b9a6e2c22745 GPLv2 License and enhanced Doxygen output. Florian Pose <fp@igh-essen.com> parents: 195 diff changeset	22	* You should have received a copy of the GNU General Public License
b9a6e2c22745 GPLv2 License and enhanced Doxygen output. Florian Pose <fp@igh-essen.com> parents: 195 diff changeset	23	* along with the IgH EtherCAT Master; if not, write to the Free Software
b9a6e2c22745 GPLv2 License and enhanced Doxygen output. Florian Pose <fp@igh-essen.com> parents: 195 diff changeset	24	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
b9a6e2c22745 GPLv2 License and enhanced Doxygen output. Florian Pose <fp@igh-essen.com> parents: 195 diff changeset	25	*
39 6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 33 diff changeset	26	*****************************************************************************/
0 05c992bf5847 trunk, tags und branches Florian Pose <fp@igh-essen.com> parents: diff changeset	27
24 d417dd9bdc2f Wilhelms ?nderungen ?bernommen. Florian Pose <fp@igh-essen.com> parents: 23 diff changeset	28	#include <linux/module.h>
0 05c992bf5847 trunk, tags und branches Florian Pose <fp@igh-essen.com> parents: diff changeset	29	#include <linux/skbuff.h>
05c992bf5847 trunk, tags und branches Florian Pose <fp@igh-essen.com> parents: diff changeset	30	#include <linux/if_ether.h>
05c992bf5847 trunk, tags und branches Florian Pose <fp@igh-essen.com> parents: diff changeset	31	#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	32	#include <linux/delay.h>
0 05c992bf5847 trunk, tags und branches Florian Pose <fp@igh-essen.com> parents: diff changeset	33
54 7506e67dd122 Vereinheitlichte Schnittstellen, Include-Verzeichnis und Module getrennt. Florian Pose <fp@igh-essen.com> parents: 42 diff changeset	34	#include "device.h"
78 3d74183d6c6b Frame-Debugging ins Device ausgelagert und verbessert. Florian Pose <fp@igh-essen.com> parents: 73 diff changeset	35	#include "master.h"
0 05c992bf5847 trunk, tags und branches Florian Pose <fp@igh-essen.com> parents: diff changeset	36
39 6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 33 diff changeset	37	/*****************************************************************************/
0 05c992bf5847 trunk, tags und branches Florian Pose <fp@igh-essen.com> parents: diff changeset	38
05c992bf5847 trunk, tags und branches Florian Pose <fp@igh-essen.com> parents: diff changeset	39	/**
195 674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	40	Device constructor.
674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	41	\return 0 in case of success, else < 0
197 b9a6e2c22745 GPLv2 License and enhanced Doxygen output. Florian Pose <fp@igh-essen.com> parents: 195 diff changeset	42	\ingroup Device
195 674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	43	*/
674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	44
674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	45	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	46	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	47	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	48	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	49	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	50	)
3d74183d6c6b Frame-Debugging ins Device ausgelagert und verbessert. Florian Pose <fp@igh-essen.com> parents: 73 diff changeset	51	{
98 f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen). Florian Pose <fp@igh-essen.com> parents: 97 diff changeset	52	struct ethhdr *eth;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen). Florian Pose <fp@igh-essen.com> parents: 97 diff changeset	53
78 3d74183d6c6b Frame-Debugging ins Device ausgelagert und verbessert. Florian Pose <fp@igh-essen.com> parents: 73 diff changeset	54	device->master = master;
98 f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen). Florian Pose <fp@igh-essen.com> parents: 97 diff changeset	55	device->dev = net_dev;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen). Florian Pose <fp@igh-essen.com> parents: 97 diff changeset	56	device->isr = isr;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen). Florian Pose <fp@igh-essen.com> parents: 97 diff changeset	57	device->module = module;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen). Florian Pose <fp@igh-essen.com> parents: 97 diff changeset	58
78 3d74183d6c6b Frame-Debugging ins Device ausgelagert und verbessert. Florian Pose <fp@igh-essen.com> parents: 73 diff changeset	59	device->open = 0;
96 080b46eb6e2d Link-State im Device. Florian Pose <fp@igh-essen.com> parents: 91 diff changeset	60	device->link_state = 0; // down
78 3d74183d6c6b Frame-Debugging ins Device ausgelagert und verbessert. Florian Pose <fp@igh-essen.com> parents: 73 diff changeset	61
98 f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen). Florian Pose <fp@igh-essen.com> parents: 97 diff changeset	62	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	63	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	64	return -1;
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst. Florian Pose <fp@igh-essen.com> parents: 70 diff changeset	65	}
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst. Florian Pose <fp@igh-essen.com> parents: 70 diff changeset	66
98 f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen). Florian Pose <fp@igh-essen.com> parents: 97 diff changeset	67	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	68
195 674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	69	// add Ethernet-II-header
98 f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen). Florian Pose <fp@igh-essen.com> parents: 97 diff changeset	70	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	71	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	72	eth->h_proto = htons(0x88A4);
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen). Florian Pose <fp@igh-essen.com> parents: 97 diff changeset	73	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	74	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	75
73 9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst. Florian Pose <fp@igh-essen.com> parents: 70 diff changeset	76	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	77	}
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 33 diff changeset	78
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 33 diff changeset	79	/*****************************************************************************/
0 05c992bf5847 trunk, tags und branches Florian Pose <fp@igh-essen.com> parents: diff changeset	80
05c992bf5847 trunk, tags und branches Florian Pose <fp@igh-essen.com> parents: diff changeset	81	/**
195 674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	82	EtherCAT device destuctor.
197 b9a6e2c22745 GPLv2 License and enhanced Doxygen output. Florian Pose <fp@igh-essen.com> parents: 195 diff changeset	83	\ingroup Device
195 674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	84	*/
674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	85
674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	86	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	87	{
3d74183d6c6b Frame-Debugging ins Device ausgelagert und verbessert. Florian Pose <fp@igh-essen.com> parents: 73 diff changeset	88	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	89	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	90	}
05c992bf5847 trunk, tags und branches Florian Pose <fp@igh-essen.com> parents: diff changeset	91
39 6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 33 diff changeset	92	/*****************************************************************************/
0 05c992bf5847 trunk, tags und branches Florian Pose <fp@igh-essen.com> parents: diff changeset	93
05c992bf5847 trunk, tags und branches Florian Pose <fp@igh-essen.com> parents: diff changeset	94	/**
195 674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	95	Opens the EtherCAT device.
674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	96	\return 0 in case of success, else < 0
197 b9a6e2c22745 GPLv2 License and enhanced Doxygen output. Florian Pose <fp@igh-essen.com> parents: 195 diff changeset	97	\ingroup Device
195 674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	98	*/
674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	99
674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	100	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	101	{
73 9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst. Florian Pose <fp@igh-essen.com> parents: 70 diff changeset	102	unsigned int i;
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst. Florian Pose <fp@igh-essen.com> parents: 70 diff changeset	103
78 3d74183d6c6b Frame-Debugging ins Device ausgelagert und verbessert. Florian Pose <fp@igh-essen.com> parents: 73 diff changeset	104	if (!device->dev) {
84 b4ae98855cea printk durch Makros ersetzt. Florian Pose <fp@igh-essen.com> parents: 78 diff changeset	105	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	106	return -1;
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst. Florian Pose <fp@igh-essen.com> parents: 70 diff changeset	107	}
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst. Florian Pose <fp@igh-essen.com> parents: 70 diff changeset	108
78 3d74183d6c6b Frame-Debugging ins Device ausgelagert und verbessert. Florian Pose <fp@igh-essen.com> parents: 73 diff changeset	109	if (device->open) {
84 b4ae98855cea printk durch Makros ersetzt. Florian Pose <fp@igh-essen.com> parents: 78 diff changeset	110	EC_WARN("Device already opened!\n");
91 0120d6214948 Code-Dokumentation angepasst. Florian Pose <fp@igh-essen.com> parents: 84 diff changeset	111	return 0;
0120d6214948 Code-Dokumentation angepasst. Florian Pose <fp@igh-essen.com> parents: 84 diff changeset	112	}
0120d6214948 Code-Dokumentation angepasst. Florian Pose <fp@igh-essen.com> parents: 84 diff changeset	113
195 674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	114	// device could have received frames before
91 0120d6214948 Code-Dokumentation angepasst. Florian Pose <fp@igh-essen.com> parents: 84 diff changeset	115	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	116
96 080b46eb6e2d Link-State im Device. Florian Pose <fp@igh-essen.com> parents: 91 diff changeset	117	device->link_state = 0;
91 0120d6214948 Code-Dokumentation angepasst. Florian Pose <fp@igh-essen.com> parents: 84 diff changeset	118
0120d6214948 Code-Dokumentation angepasst. Florian Pose <fp@igh-essen.com> parents: 84 diff changeset	119	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	120
3d74183d6c6b Frame-Debugging ins Device ausgelagert und verbessert. Florian Pose <fp@igh-essen.com> parents: 73 diff changeset	121	return device->open ? 0 : -1;
0 05c992bf5847 trunk, tags und branches Florian Pose <fp@igh-essen.com> parents: diff changeset	122	}
05c992bf5847 trunk, tags und branches Florian Pose <fp@igh-essen.com> parents: diff changeset	123
39 6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 33 diff changeset	124	/*****************************************************************************/
0 05c992bf5847 trunk, tags und branches Florian Pose <fp@igh-essen.com> parents: diff changeset	125
05c992bf5847 trunk, tags und branches Florian Pose <fp@igh-essen.com> parents: diff changeset	126	/**
195 674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	127	Stops the EtherCAT device.
674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	128	\return 0 in case of success, else < 0
197 b9a6e2c22745 GPLv2 License and enhanced Doxygen output. Florian Pose <fp@igh-essen.com> parents: 195 diff changeset	129	\ingroup Device
195 674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	130	*/
674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	131
674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	132	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	133	{
3d74183d6c6b Frame-Debugging ins Device ausgelagert und verbessert. Florian Pose <fp@igh-essen.com> parents: 73 diff changeset	134	if (!device->dev) {
84 b4ae98855cea printk durch Makros ersetzt. Florian Pose <fp@igh-essen.com> parents: 78 diff changeset	135	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	136	return -1;
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst. Florian Pose <fp@igh-essen.com> parents: 70 diff changeset	137	}
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst. Florian Pose <fp@igh-essen.com> parents: 70 diff changeset	138
78 3d74183d6c6b Frame-Debugging ins Device ausgelagert und verbessert. Florian Pose <fp@igh-essen.com> parents: 73 diff changeset	139	if (!device->open) {
84 b4ae98855cea printk durch Makros ersetzt. Florian Pose <fp@igh-essen.com> parents: 78 diff changeset	140	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	141	return 0;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen). Florian Pose <fp@igh-essen.com> parents: 97 diff changeset	142	}
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen). Florian Pose <fp@igh-essen.com> parents: 97 diff changeset	143
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen). Florian Pose <fp@igh-essen.com> parents: 97 diff changeset	144	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	145
3d74183d6c6b Frame-Debugging ins Device ausgelagert und verbessert. Florian Pose <fp@igh-essen.com> parents: 73 diff changeset	146	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	147	}
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst. Florian Pose <fp@igh-essen.com> parents: 70 diff changeset	148
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst. Florian Pose <fp@igh-essen.com> parents: 70 diff changeset	149	/*****************************************************************************/
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	/**
195 674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	152	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	153	\return pointer to the TX socket buffer
197 b9a6e2c22745 GPLv2 License and enhanced Doxygen output. Florian Pose <fp@igh-essen.com> parents: 195 diff changeset	154	\ingroup Device
195 674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	155	*/
674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	156
674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	157	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	158	{
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen). Florian Pose <fp@igh-essen.com> parents: 97 diff changeset	159	return device->tx_skb->data + ETH_HLEN;
0 05c992bf5847 trunk, tags und branches Florian Pose <fp@igh-essen.com> parents: diff changeset	160	}
05c992bf5847 trunk, tags und branches Florian Pose <fp@igh-essen.com> parents: diff changeset	161
39 6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 33 diff changeset	162	/*****************************************************************************/
0 05c992bf5847 trunk, tags und branches Florian Pose <fp@igh-essen.com> parents: diff changeset	163
05c992bf5847 trunk, tags und branches Florian Pose <fp@igh-essen.com> parents: diff changeset	164	/**
195 674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	165	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	166	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	167	start_xmit() function of the assigned net_device.
197 b9a6e2c22745 GPLv2 License and enhanced Doxygen output. Florian Pose <fp@igh-essen.com> parents: 195 diff changeset	168	\ingroup Device
195 674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	169	*/
674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	170
674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	171	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	172	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	173	)
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst. Florian Pose <fp@igh-essen.com> parents: 70 diff changeset	174	{
97 e6264685dd7b Link-Down-Verhalten verbessert. Florian Pose <fp@igh-essen.com> parents: 96 diff changeset	175	if (unlikely(!device->link_state)) // Link down
96 080b46eb6e2d Link-State im Device. Florian Pose <fp@igh-essen.com> parents: 91 diff changeset	176	return;
080b46eb6e2d Link-State im Device. Florian Pose <fp@igh-essen.com> parents: 91 diff changeset	177
195 674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	178	// 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	179	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	180
3d74183d6c6b Frame-Debugging ins Device ausgelagert und verbessert. Florian Pose <fp@igh-essen.com> parents: 73 diff changeset	181	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	182	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	183	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	184	}
73 9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst. Florian Pose <fp@igh-essen.com> parents: 70 diff changeset	185
195 674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	186	// start sending
78 3d74183d6c6b Frame-Debugging ins Device ausgelagert und verbessert. Florian Pose <fp@igh-essen.com> parents: 73 diff changeset	187	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	188	}
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst. Florian Pose <fp@igh-essen.com> parents: 70 diff changeset	189
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst. Florian Pose <fp@igh-essen.com> parents: 70 diff changeset	190	/*****************************************************************************/
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst. Florian Pose <fp@igh-essen.com> parents: 70 diff changeset	191
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst. Florian Pose <fp@igh-essen.com> parents: 70 diff changeset	192	/**
195 674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	193	Calls the interrupt service routine of the assigned net_device.
197 b9a6e2c22745 GPLv2 License and enhanced Doxygen output. Florian Pose <fp@igh-essen.com> parents: 195 diff changeset	194	\ingroup Device
195 674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	195	*/
674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	196
674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	197	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	198	{
3d74183d6c6b Frame-Debugging ins Device ausgelagert und verbessert. Florian Pose <fp@igh-essen.com> parents: 73 diff changeset	199	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	200	}
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 33 diff changeset	201
54 7506e67dd122 Vereinheitlichte Schnittstellen, Include-Verzeichnis und Module getrennt. Florian Pose <fp@igh-essen.com> parents: 42 diff changeset	202	/******************************************************************************
195 674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	203	* Device interface
54 7506e67dd122 Vereinheitlichte Schnittstellen, Include-Verzeichnis und Module getrennt. Florian Pose <fp@igh-essen.com> parents: 42 diff changeset	204	*****************************************************************************/
7506e67dd122 Vereinheitlichte Schnittstellen, Include-Verzeichnis und Module getrennt. Florian Pose <fp@igh-essen.com> parents: 42 diff changeset	205
78 3d74183d6c6b Frame-Debugging ins Device ausgelagert und verbessert. Florian Pose <fp@igh-essen.com> parents: 73 diff changeset	206	/**
195 674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	207	Accepts a received frame.
674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	208	Forwards the received data to the master.
197 b9a6e2c22745 GPLv2 License and enhanced Doxygen output. Florian Pose <fp@igh-essen.com> parents: 195 diff changeset	209	\ingroup Device
195 674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	210	*/
674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	211
674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	212	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	213	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	214	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	215	)
73 9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst. Florian Pose <fp@igh-essen.com> parents: 70 diff changeset	216	{
78 3d74183d6c6b Frame-Debugging ins Device ausgelagert und verbessert. Florian Pose <fp@igh-essen.com> parents: 73 diff changeset	217	if (unlikely(device->master->debug_level > 1)) {
84 b4ae98855cea printk durch Makros ersetzt. Florian Pose <fp@igh-essen.com> parents: 78 diff changeset	218	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	219	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	220	}
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen). Florian Pose <fp@igh-essen.com> parents: 97 diff changeset	221
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen). Florian Pose <fp@igh-essen.com> parents: 97 diff changeset	222	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	223	}
7506e67dd122 Vereinheitlichte Schnittstellen, Include-Verzeichnis und Module getrennt. Florian Pose <fp@igh-essen.com> parents: 42 diff changeset	224
7506e67dd122 Vereinheitlichte Schnittstellen, Include-Verzeichnis und Module getrennt. Florian Pose <fp@igh-essen.com> parents: 42 diff changeset	225	/*****************************************************************************/
7506e67dd122 Vereinheitlichte Schnittstellen, Include-Verzeichnis und Module getrennt. Florian Pose <fp@igh-essen.com> parents: 42 diff changeset	226
96 080b46eb6e2d Link-State im Device. Florian Pose <fp@igh-essen.com> parents: 91 diff changeset	227	/**
195 674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	228	Sets a new link state.
197 b9a6e2c22745 GPLv2 License and enhanced Doxygen output. Florian Pose <fp@igh-essen.com> parents: 195 diff changeset	229	\ingroup Device
195 674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	230	*/
674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	231
674071846ee3 Translated all comments and documentation to english language. Florian Pose <fp@igh-essen.com> parents: 191 diff changeset	232	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	233	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	234	)
052bc82d5442 MERGE branches/async -> trunk (alle Unterschiede ?bernommen) Florian Pose <fp@igh-essen.com> parents: 101 diff changeset	235	{
191 ca805255a935 Prepared Free-Run mode Florian Pose <fp@igh-essen.com> parents: 152 diff changeset	236	if (unlikely(!device)) {
ca805255a935 Prepared Free-Run mode Florian Pose <fp@igh-essen.com> parents: 152 diff changeset	237	EC_WARN("ecdev_link_state: no device!\n");
ca805255a935 Prepared Free-Run mode Florian Pose <fp@igh-essen.com> parents: 152 diff changeset	238	return;
ca805255a935 Prepared Free-Run mode Florian Pose <fp@igh-essen.com> parents: 152 diff changeset	239	}
ca805255a935 Prepared Free-Run mode Florian Pose <fp@igh-essen.com> parents: 152 diff changeset	240
104 052bc82d5442 MERGE branches/async -> trunk (alle Unterschiede ?bernommen) Florian Pose <fp@igh-essen.com> parents: 101 diff changeset	241	if (likely(state != device->link_state)) {
96 080b46eb6e2d Link-State im Device. Florian Pose <fp@igh-essen.com> parents: 91 diff changeset	242	device->link_state = state;
080b46eb6e2d Link-State im Device. Florian Pose <fp@igh-essen.com> parents: 91 diff changeset	243	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	244	}
080b46eb6e2d Link-State im Device. Florian Pose <fp@igh-essen.com> parents: 91 diff changeset	245	}
080b46eb6e2d Link-State im Device. Florian Pose <fp@igh-essen.com> parents: 91 diff changeset	246
080b46eb6e2d Link-State im Device. Florian Pose <fp@igh-essen.com> parents: 91 diff changeset	247	/*****************************************************************************/
080b46eb6e2d Link-State im Device. Florian Pose <fp@igh-essen.com> parents: 91 diff changeset	248
104 052bc82d5442 MERGE branches/async -> trunk (alle Unterschiede ?bernommen) Florian Pose <fp@igh-essen.com> parents: 101 diff changeset	249	EXPORT_SYMBOL(ecdev_receive);
052bc82d5442 MERGE branches/async -> trunk (alle Unterschiede ?bernommen) Florian Pose <fp@igh-essen.com> parents: 101 diff changeset	250	EXPORT_SYMBOL(ecdev_link_state);
27 d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: 26 diff changeset	251
39 6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 33 diff changeset	252	/*****************************************************************************/

author	Florian Pose <fp@igh-essen.com>
	Fri, 21 Apr 2006 12:35:17 +0000
changeset 197	b9a6e2c22745
parent 195	674071846ee3
child 199	04ecf40fc2e9
permissions	-rw-r--r--