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Miller" , David Ahern , Donald Hunter , Eric Dumazet , Ido Schimmel , Jakub Kicinski , Kuniyuki Iwashima , Nicolas Dichtel , Nikolaos Gkarlis , Paolo Abeni , Sabrina Dubroca , Shuah Khan , Simon Horman , Stanislav Fomichev , linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, netdev@vger.kernel.org Subject: [PATCH net-next v2 2/3] netlink: specs: rt-addr: document AF_PACKET multicast dumps Date: Wed, 9 Sep 2026 10:34:00 +0900 Message-ID: <20260909013401.14408-3-sigefriedhyy@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260909013401.14408-1-sigefriedhyy@gmail.com> References: <20260909013401.14408-1-sigefriedhyy@gmail.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Mention that ifa-family AF_PACKET dumps link-layer multicast addresses and what the permanent flag means for them. Signed-off-by: Yuyang Huang --- 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: -- 2.43.0