[PATCH net-next v2 2/3] netlink: specs: rt-addr: document AF_PACKET multicast dumps
From: Yuyang Huang <hidden>
Date: 2026-09-09 01:34:35
Also in:
linux-kselftest, lkml
Subsystem:
networking [general], networking [ipv4/ipv6], the rest, yaml netlink (ynl) · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, David Ahern, Ido Schimmel, Linus Torvalds, Donald Hunter
Mention that ifa-family AF_PACKET dumps link-layer multicast addresses and what the permanent flag means for them. Signed-off-by: Yuyang Huang <redacted> --- Documentation/netlink/specs/rt-addr.yaml | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/Documentation/netlink/specs/rt-addr.yaml b/Documentation/netlink/specs/rt-addr.yaml
index 0ecbd24c890c..2a2310cb0df0 100644
--- a/Documentation/netlink/specs/rt-addr.yaml
+++ b/Documentation/netlink/specs/rt-addr.yaml@@ -168,7 +168,12 @@ 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 with SIOCADDMULTI are + reported with the permanent flag set. attribute-set: addr-attrs fixed-header: ifaddrmsg do:
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2.43.0