Mirrors_Framework/nuttx
1
0
Fork 0
mirror of https://github.com/apache/nuttx.git synced 2026-05-28 11:56:10 +08:00
Code Issues Actions 1 Packages Projects Releases Wiki Activity

ICMPv6: Fix some multi-cast addresses

Browse Source
This commit is contained in:
Gregory Nutt
2015-02-03 17:26:05 -06:00
parent f7ace410d1
commit 0e38ca9a42
1 changed files with 8 additions and 18 deletions
Download Patch File Download Diff File Expand all files Collapse all files
net/icmpv6/icmpv6_rsolicit.c
+8 -18
View File
@@ -112,9 +112,9 @@ void icmpv6_rsolicit(FAR struct net_driver_s *dev)
* address: ff02::2 * address: ff02::2
*/ */
icmp->destipaddr[0] = 0xff02; icmp->destipaddr[0] = HTONS(0xff02);
memset(&icmp->destipaddr[0], 0, 6*sizeof(uint16_t)); memset(&icmp->destipaddr[1], 0, 6*sizeof(uint16_t));
icmp->destipaddr[7] = 0x0002; icmp->destipaddr[7] = HTONS(0x0002);
/* Add our link local IPv6 address as the source address */ /* Add our link local IPv6 address as the source address */
@@ -155,25 +155,15 @@ void icmpv6_rsolicit(FAR struct net_driver_s *dev)
if (dev->d_lltype == NET_LL_ETHERNET) if (dev->d_lltype == NET_LL_ETHERNET)
#endif #endif
{ {
/* Set the destination IPv6 multicast Ethernet address: /* Set the destination IPv6 multicast Ethernet address */
*
* For IPv6 multicast addresses, the Ethernet MAC is derived by
* the four low-order octets OR'ed with the MAC 33:33:00:00:00:00,
* so for example the IPv6 address FF02:DEAD:BEEF::1:3 would map
* to the Ethernet MAC address 33:33:00:01:00:03.
*
* NOTES: This appears correct for the ICMPv6 Router Solicitation
* Message, but the ICMPv6 Router Solicitation message seems to
* use 33:33:ff:01:00:03.
*/
eth = ETHBUF; eth = ETHBUF;
eth->dest[0] = 0x33; eth->dest[0] = 0x33;
eth->dest[1] = 0x33; eth->dest[1] = 0x33;
eth->dest[2] = 0xff; eth->dest[2] = 0x00;
eth->dest[3] = dev->d_ipv6addr[6] >> 8; eth->dest[3] = 0x00;
eth->dest[4] = dev->d_ipv6addr[7] & 0xff; eth->dest[4] = 0x00;
eth->dest[5] = dev->d_ipv6addr[7] >> 8; eth->dest[5] = 0x02;
/* Move our source Ethernet addresses into the Ethernet header */ /* Move our source Ethernet addresses into the Ethernet header */