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gnrc_netif: use scope directly from address for multicast

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This commit is contained in:
Martine S. Lenders 2020-01-13 14:43:59 +01:00
parent 85737a0436
commit 018e3dd437
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GPG Key ID: CCD317364F63286F
1 changed files with 6 additions and 1 deletions
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7
sys/net/gnrc/netif/gnrc_netif.c
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@ -892,7 +892,12 @@ static int _match_to_idx(const gnrc_netif_t *netif,
static uint8_t _get_scope(const ipv6_addr_t *addr)
{
if (ipv6_addr_is_link_local(addr)) {
if (ipv6_addr_is_multicast(addr)) {
/* return multicast scope as is, see
* https://tools.ietf.org/html/rfc4291#section-2.7*/
return addr->u8[1] & 0x0f;
}
else if (ipv6_addr_is_link_local(addr)) {
return IPV6_ADDR_MCAST_SCP_LINK_LOCAL;
}
else if (ipv6_addr_is_site_local(addr)) {