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net/icmpv6:Optimize the process of obtaining the IPv6 address through RA.

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- When receiving Router Advertisement Message, if Managed Address
  Configuration flag is set, we should ignore the Autonomous
  Address-configuration flag, and obtain the IPv6 address via the
  stateful process.

Signed-off-by: liqinhui <liqinhui@xiaomi.com>
This commit is contained in:
liqinhui 2023-11-23 19:20:13 +08:00 committed by Xiang Xiao
parent 4087e21dea
commit a69c8a6183
3 changed files with 16 additions and 14 deletions
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4
net/icmpv6/icmpv6.h
View File

@ -536,9 +536,9 @@ int icmpv6_rwait(FAR struct icmpv6_rnotify_s *notify, unsigned int timeout);
****************************************************************************/
#ifdef CONFIG_NET_ICMPv6_AUTOCONF
void icmpv6_rnotify(FAR struct net_driver_s *dev);
void icmpv6_rnotify(FAR struct net_driver_s *dev, int result);
#else
# define icmpv6_rnotify(d) (0)
# define icmpv6_rnotify(d,r) (0)
#endif
/****************************************************************************

22
net/icmpv6/icmpv6_input.c
View File

@ -441,20 +441,22 @@ void icmpv6_input(FAR struct net_driver_s *dev, unsigned int iplen)
FAR struct icmpv6_prefixinfo_s *prefixopt =
(FAR struct icmpv6_prefixinfo_s *)opt;
/* Is the "A" flag set? */
/* if "M" flag isn't set, and the "A" flag is set.
* Set the new network addresses.
*/
if ((prefixopt->flags & ICMPv6_PRFX_FLAG_A) != 0)
if ((adv->flags & ICMPv6_RADV_FLAG_M) == 0 &&
(prefixopt->flags & ICMPv6_PRFX_FLAG_A) != 0)
{
/* Yes.. Set the new network addresses. */
icmpv6_setaddresses(dev, ipv6->srcipaddr,
icmpv6_setaddresses(dev, ipv6->srcipaddr,
prefixopt->prefix, prefixopt->preflen);
/* Notify any waiting threads */
icmpv6_rnotify(dev);
prefix = true;
}
/* Notify any waiting threads */
icmpv6_rnotify(dev, (adv->flags & ICMPv6_RADV_FLAG_M) ?
-EADDRNOTAVAIL : OK);
prefix = true;
}
break;

4
net/icmpv6/icmpv6_rnotify.c
View File

@ -289,7 +289,7 @@ int icmpv6_rwait(FAR struct icmpv6_rnotify_s *notify, unsigned int timeout)
*
****************************************************************************/
void icmpv6_rnotify(FAR struct net_driver_s *dev)
void icmpv6_rnotify(FAR struct net_driver_s *dev, int result)
{
FAR struct icmpv6_rnotify_s *curr;
@ -309,7 +309,7 @@ void icmpv6_rnotify(FAR struct net_driver_s *dev)
{
/* And signal the waiting, returning success */
curr->rn_result = OK;
curr->rn_result = result;
nxsem_post(&curr->rn_sem);
break;
}