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net: openthread: Handle deprecated IPv6 addresses correctly

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This commit fixes an issue where deprecated IPv6 addresses were not
being correctly marked. In some cases, deprecated addresses might have
been used as source addresses.

Signed-off-by: Łukasz Duda <lukasz.duda@nordicsemi.no>
This commit is contained in:
Łukasz Duda 2024-08-04 21:20:44 +02:00 committed by Anas Nashif
parent e12602ae02
commit fb71ca2237
1 changed files with 6 additions and 1 deletions
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7
subsys/net/l2/openthread/openthread_utils.c
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@ -154,6 +154,11 @@ void add_ipv6_addr_to_zephyr(struct openthread_context *context)
if_addr->is_mesh_local = is_mesh_local(
context, address->mAddress.mFields.m8);
/* Mark address as deprecated if it is not preferred. */
if (!address->mPreferred) {
if_addr->addr_state = NET_ADDR_DEPRECATED;
}
}
}
@ -195,7 +200,7 @@ void add_ipv6_addr_to_ot(struct openthread_context *context,
context, ipv6->unicast[i].address.in6_addr.s6_addr);
addr.mValid = true;
addr.mPreferred = true;
addr.mPreferred = (if_addr->addr_state == NET_ADDR_PREFERRED);
addr.mPrefixLength = 64;
if (if_addr->addr_type == NET_ADDR_AUTOCONF) {