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[ip6] only allow external mcast addrs when iface is up (#3504)

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This commit is contained in:
Jonathan Hui
2019-01-24 09:04:13 -08:00
committed by GitHub
parent eeff2e225c
commit c2a10ec446
3 changed files with 13 additions and 9 deletions
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include/openthread/ip6.h
+6 -5
View File
@@ -252,11 +252,12 @@ OTAPI const otNetifAddress *OTCALL otIp6GetUnicastAddresses(otInstance *aInstanc
* @param[in] aInstance A pointer to an OpenThread instance.
* @param[in] aAddress A pointer to an IP Address.
*
* @retval OT_ERROR_NONE Successfully subscribed to the Network Interface Multicast Address.
* @retval OT_ERROR_ALREADY The multicast address is already subscribed.
* @retval OT_ERROR_INVALID_ARGS The IP Address indicated by @p aAddress is invalid address.
* @retval OT_ERROR_NO_BUFS The Network Interface is already storing the maximum allowed external multicast
* addresses.
* @retval OT_ERROR_NONE Successfully subscribed to the Network Interface Multicast Address.
* @retval OT_ERROR_ALREADY The multicast address is already subscribed.
* @retval OT_ERROR_INVALID_ARGS The IP Address indicated by @p aAddress is invalid address.
* @retval OT_ERROR_INVALID_STATE The Network Interface is not up.
* @retval OT_ERROR_NO_BUFS The Network Interface is already storing the maximum allowed external multicast
* addresses.
*
*/
otError otIp6SubscribeMulticastAddress(otInstance *aInstance, const otIp6Address *aAddress);
src/core/net/netif.cpp
+2
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@@ -334,6 +334,8 @@ otError Netif::SubscribeExternalMulticast(const Address &aAddress)
NetifMulticastAddress *entry;
size_t num = OT_ARRAY_LENGTH(mExtMulticastAddresses);
VerifyOrExit(mMulticastAddresses != NULL, error = OT_ERROR_INVALID_STATE);
if (IsMulticastSubscribed(aAddress))
{
ExitNow(error = OT_ERROR_ALREADY);
src/core/net/netif.hpp
+5 -4
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@@ -367,10 +367,11 @@ public:
*
* @param[in] aAddress A reference to the multicast address.
*
* @retval OT_ERROR_NONE Successfully subscribed to @p aAddress.
* @retval OT_ERROR_ALREADY The multicast address is already subscribed.
* @retval OT_ERROR_INVALID_ARGS The address indicated by @p aAddress is an internal multicast address.
* @retval OT_ERROR_NO_BUFS The maximum number of allowed external multicast addresses are already added.
* @retval OT_ERROR_NONE Successfully subscribed to @p aAddress.
* @retval OT_ERROR_ALREADY The multicast address is already subscribed.
* @retval OT_ERROR_INVALID_ARGS The address indicated by @p aAddress is an internal multicast address.
* @retval OT_ERROR_INVALID_STATE The Network Interface is not up.
* @retval OT_ERROR_NO_BUFS The maximum number of allowed external multicast addresses are already added.
*
*/
otError SubscribeExternalMulticast(const Address &aAddress);