Add the global flag, list the attributes the AF_PACKET dump uses and
describe how ifa-family selects IPv4, IPv6 or link-layer output for
RTM_GETMULTICAST.

Signed-off-by: Yuyang Huang <[email protected]>
---
 Documentation/netlink/specs/rt-addr.yaml | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/Documentation/netlink/specs/rt-addr.yaml 
b/Documentation/netlink/specs/rt-addr.yaml
index 17ead2203451..adf82b69ade7 100644
--- a/Documentation/netlink/specs/rt-addr.yaml
+++ b/Documentation/netlink/specs/rt-addr.yaml
@@ -77,6 +77,8 @@ definitions:
         name: mcautojoin
       -
         name: stable-privacy
+      -
+        name: global
 
 attribute-sets:
   -
@@ -168,7 +170,13 @@ operations:
           attributes: *ifaddr-all
     -
       name: getmulticast
-      doc: Get / dump IPv4/IPv6 multicast addresses.
+      doc: |
+        Get / dump multicast addresses. ifa-family selects the address
+        family: AF_INET or AF_INET6 for the IP multicast groups joined on
+        a device, AF_PACKET for the link-layer multicast addresses in the
+        device filter. Link-layer entries added explicitly, e.g. with
+        SIOCADDMULTI or "bridge fdb add ... self", rather than by a
+        protocol join are reported with the global flag set.
       attribute-set: addr-attrs
       fixed-header: ifaddrmsg
       do:
@@ -181,10 +189,13 @@ operations:
             - multicast
             - mc-users
             - cacheinfo
+            - flags
+            - target-netnsid
       dump:
         request:
           value: 58
-          attributes: []
+          attributes:
+            - target-netnsid
         reply:
           value: 58
           attributes: *mcaddr-attrs
-- 
2.43.0


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