Mirrors_Framework/ethercat
1
0
Fork 0
mirror of https://gitlab.com/etherlab.org/ethercat.git synced 2026-09-21 01:23:45 +08:00
Code Issues Actions Packages Projects Releases Wiki Activity

Added the new ethercat comman-line tool with lsec functionality.

Browse Source
This commit is contained in:
Florian Pose
2008-05-29 15:11:26 +00:00
parent 9f0555ee26
commit 3b4cae9626
17 changed files with 763 additions and 12 deletions
Download Patch File Download Diff File Expand all files Collapse all files
master/module.c
+19 -5
View File
@@ -40,6 +40,7 @@
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/fs.h>
#include "globals.h"
#include "master.h"
@@ -68,6 +69,8 @@ static struct semaphore master_sem; /**< Master semaphore. */
static unsigned int master_count; /**< Number of masters. */
static unsigned int backup_count; /**< Number of backup devices. */
static dev_t device_number; /**< Device number for cdevs. */
static uint8_t macs[MAX_MASTERS][2][ETH_ALEN]; /**< MAC addresses. */
char *ec_master_version_str = EC_MASTER_VERSION; /**< Version string. */
@@ -92,7 +95,7 @@ MODULE_PARM_DESC(backup_devices, "MAC addresses of backup devices");
/** Module initialization.
*
* Initializes \a ec_master_count masters.
* Initializes \a master_count masters.
* \return 0 on success, else < 0
*/
int __init ec_init_module(void)
@@ -119,6 +122,12 @@ int __init ec_init_module(void)
goto out_put;
}
if (alloc_chrdev_region(&device_number, 0, master_count, "EtherCAT")) {
EC_ERR("Failed to obtain device number(s)!\n");
ret = -EBUSY;
goto out_del;
}
// zero MAC addresses
memset(macs, 0x00, sizeof(uint8_t) * MAX_MASTERS * 2 * ETH_ALEN);
@@ -126,12 +135,12 @@ int __init ec_init_module(void)
for (i = 0; i < master_count; i++) {
if (ec_mac_parse(macs[i][0], main_devices[i], 0)) {
ret = -EINVAL;
goto out_del;
goto out_cdev;
}
if (i < backup_count && ec_mac_parse(macs[i][1], backup_devices[i], 1)) {
ret = -EINVAL;
goto out_del;
goto out_cdev;
}
}
@@ -140,12 +149,13 @@ int __init ec_init_module(void)
GFP_KERNEL))) {
EC_ERR("Failed to allocate memory for EtherCAT masters.\n");
ret = -ENOMEM;
goto out_del;
goto out_cdev;
}
}
for (i = 0; i < master_count; i++) {
if (ec_master_init(&masters[i], &kobj, i, macs[i][0], macs[i][1])) {
if (ec_master_init(&masters[i], &kobj, i, macs[i][0], macs[i][1],
device_number)) {
ret = -EIO;
goto out_free_masters;
}
@@ -158,6 +168,8 @@ int __init ec_init_module(void)
out_free_masters:
for (i--; i >= 0; i--) ec_master_clear(&masters[i]);
kfree(masters);
out_cdev:
unregister_chrdev_region(device_number, master_count);
out_del:
kobject_del(&kobj);
out_put:
@@ -180,6 +192,8 @@ void __exit ec_cleanup_module(void)
}
if (master_count)
kfree(masters);
unregister_chrdev_region(device_number, master_count);
kobject_del(&kobj);
kobject_put(&kobj);