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IPv6: Remove comparisons to the address with all ones set. IPv6 does not support broadcast addresses and certainly not in that form. Replace with multicast addresses beginning with 0xff02.

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This commit is contained in:
Gregory Nutt
2017-08-07 11:50:50 -06:00
parent 22dfa875fc
commit 2ada7d5892
17 changed files with 64 additions and 96 deletions
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net/devif/devif_initialize.c
-65
View File
@@ -48,7 +48,6 @@
#include <nuttx/clock.h>
#include <nuttx/net/netstats.h>
#include <nuttx/net/ip.h>
#include "devif/devif.h"
@@ -76,70 +75,6 @@ uint16_t g_ipid;
uint8_t g_reassembly_timer;
#endif
#ifdef CONFIG_NET_IPv6
const net_ipv6addr_t g_ipv6_alloneaddr = /* An address of all ones */
{
0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff
};
const net_ipv6addr_t g_ipv6_allzeroaddr = /* An address of all zeroes */
{
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000
};
#if defined(CONFIG_NET_ICMPv6_AUTOCONF) || defined(CONFIG_NET_ICMPv6_ROUTER)
/* IPv6 Multi-cast IP addresses */
const net_ipv6addr_t g_ipv6_allnodes = /* All link local nodes */
{
HTONS(0xff02),
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
HTONS(0x0001)
};
const net_ipv6addr_t g_ipv6_allrouters = /* All link local routers */
{
HTONS(0xff02),
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
HTONS(0x0002)
};
#ifdef CONFIG_NET_ICMPv6_AUTOCONF
/* Link-Local Address: Link-local addresses have "1111 1110 10" for the
* first ten bits followed by 54 zeroes and then the 64 bit interface
* identifier (typically derived from the data link layer address).
*/
const net_ipv6addr_t g_ipv6_llnetmask = /* Netmask for local link address */
{
0xffff, 0xffff, 0xffff, 0xffff, 0x0000, 0x0000, 0x0000, 0x0000
};
#endif /* CONFIG_NET_ICMPv6_AUTOCONF */
#ifdef CONFIG_NET_ETHERNET
/* IPv6 Multi-cast Ethernet addresses. Formed from the 16-bit prefix:
*
* 0x33:0x33:xx:xx:xx:xx:
*
* and the last 32-bits of the IPv6 IP address
*/
const struct ether_addr g_ipv6_ethallnodes = /* All link local nodes */
{
{ 0x33, 0x33, 0x00, 0x00, 0x00, 0x01 }
};
const struct ether_addr g_ipv6_ethallrouters = /* All link local routers */
{
{ 0x33, 0x33, 0x00, 0x00, 0x00, 0x02 }
};
#endif /* CONFIG_NET_ETHERNET */
#endif /* CONFIG_NET_ICMPv6_AUTOCONF || CONFIG_NET_ICMPv6_ROUTER */
#endif /* CONFIG_NET_IPv4 */
/****************************************************************************
* Public Functions
****************************************************************************/