netconsole.c (99f823f98fb981b55c663a3783c3d2293958ece4) netconsole.c (4940fc889e1e63667a15243028ddcd84d471cd8e)
1/*
2 * linux/drivers/net/netconsole.c
3 *
4 * Copyright (C) 2001 Ingo Molnar <mingo@redhat.com>
5 *
6 * This file contains the implementation of an IRQ-safe, crash-safe
7 * kernel console implementation that outputs kernel messages to the
8 * network.

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424 return strnlen(buf, count);
425}
426
427static ssize_t store_remote_mac(struct netconsole_target *nt,
428 const char *buf,
429 size_t count)
430{
431 u8 remote_mac[ETH_ALEN];
1/*
2 * linux/drivers/net/netconsole.c
3 *
4 * Copyright (C) 2001 Ingo Molnar <mingo@redhat.com>
5 *
6 * This file contains the implementation of an IRQ-safe, crash-safe
7 * kernel console implementation that outputs kernel messages to the
8 * network.

--- 415 unchanged lines hidden (view full) ---

424 return strnlen(buf, count);
425}
426
427static ssize_t store_remote_mac(struct netconsole_target *nt,
428 const char *buf,
429 size_t count)
430{
431 u8 remote_mac[ETH_ALEN];
432 char *p = (char *) buf;
433 int i;
434
435 if (nt->enabled) {
436 printk(KERN_ERR "netconsole: target (%s) is enabled, "
437 "disable to update parameters\n",
438 config_item_name(&nt->item));
439 return -EINVAL;
440 }
441
432
433 if (nt->enabled) {
434 printk(KERN_ERR "netconsole: target (%s) is enabled, "
435 "disable to update parameters\n",
436 config_item_name(&nt->item));
437 return -EINVAL;
438 }
439
442 for (i = 0; i < ETH_ALEN - 1; i++) {
443 remote_mac[i] = simple_strtoul(p, &p, 16);
444 if (*p != ':')
445 goto invalid;
446 p++;
447 }
448 remote_mac[ETH_ALEN - 1] = simple_strtoul(p, &p, 16);
449 if (*p && (*p != '\n'))
450 goto invalid;
451
440 if (!mac_pton(buf, remote_mac))
441 return -EINVAL;
442 if (buf[3 * ETH_ALEN - 1] && buf[3 * ETH_ALEN - 1] != '\n')
443 return -EINVAL;
452 memcpy(nt->np.remote_mac, remote_mac, ETH_ALEN);
453
454 return strnlen(buf, count);
444 memcpy(nt->np.remote_mac, remote_mac, ETH_ALEN);
445
446 return strnlen(buf, count);
455
456invalid:
457 printk(KERN_ERR "netconsole: invalid input\n");
458 return -EINVAL;
459}
460
461/*
462 * Attribute definitions for netconsole_target.
463 */
464
465#define NETCONSOLE_TARGET_ATTR_RO(_name) \
466static struct netconsole_target_attr netconsole_target_##_name = \

--- 341 unchanged lines hidden --- 		447}
448
449/*
450 * Attribute definitions for netconsole_target.
451 */
452
453#define NETCONSOLE_TARGET_ATTR_RO(_name) \
454static struct netconsole_target_attr netconsole_target_##_name = \

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