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* Fixed the test for equality when a known ARP reply came in - you should no longer 

see the "ARP entry updated with different address" message.
* sockaddr_dl::sdl_data is now unsigned (uint8_t instead of char).


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@20399 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler 2007-03-20 22:21:36 +00:00
parent 4b661a956f
commit bdfc47dbcd
2 changed files with 10 additions and 8 deletions
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6
headers/posix/net/if_dl.h
View File

@ -1,5 +1,5 @@
/*
* Copyright 2006, Haiku, Inc. All Rights Reserved.
* Copyright 2006-2007, Haiku, Inc. All Rights Reserved.
* Distributed under the terms of the MIT License.
*/
#ifndef _NET_IF_DL_H
@ -19,10 +19,10 @@ struct sockaddr_dl {
uint8_t sdl_nlen; /* interface name length (not terminated with a null byte) */
uint8_t sdl_alen; /* link level address length */
uint8_t sdl_slen; /* link layer selector length */
char sdl_data[20]; /* minimum work area, can be larger */
uint8_t sdl_data[20]; /* minimum work area, can be larger */
};
/* Macro to get a pointer to the link level address */
#define LLADDR(s) ((char *)((s)->sdl_data + (s)->sdl_nlen))
#define LLADDR(s) ((uint8_t *)((s)->sdl_data + (s)->sdl_nlen))
#endif /* _NET_IF_DL_H */

12
src/add-ons/kernel/network/datalink_protocols/arp/arp.cpp
View File

@ -1,5 +1,5 @@
/*
* Copyright 2006, Haiku, Inc. All Rights Reserved.
* Copyright 2006-2007, Haiku, Inc. All Rights Reserved.
* Distributed under the terms of the MIT License.
*
* Authors:
@ -219,11 +219,13 @@ arp_update_entry(in_addr_t protocolAddress, sockaddr_dl *hardwareAddress,
// Right now, you have to manually purge the ARP entries (or wait some
// time) to let us switch to the new address.
if (entry->hardware_address.sdl_alen != 0
&& memcmp(LLADDR(&entry->hardware_address), hardwareAddress, ETHER_ADDRESS_LENGTH)) {
&& memcmp(LLADDR(&entry->hardware_address),
LLADDR(hardwareAddress), ETHER_ADDRESS_LENGTH)) {
dprintf("ARP host %08lx updated with different hardware address %02x:%02x:%02x:%02x:%02x:%02x.\n",
protocolAddress, hardwareAddress->sdl_data[0] & 0xff, hardwareAddress->sdl_data[1] & 0xff,
hardwareAddress->sdl_data[2] & 0xff, hardwareAddress->sdl_data[3] & 0xff,
hardwareAddress->sdl_data[4] & 0xff, hardwareAddress->sdl_data[5] & 0xff);
protocolAddress,
hardwareAddress->sdl_data[0], hardwareAddress->sdl_data[1],
hardwareAddress->sdl_data[2], hardwareAddress->sdl_data[3],
hardwareAddress->sdl_data[4], hardwareAddress->sdl_data[5]);
return B_ERROR;
}