From c8bc168f5f3d152b378726f89e8561ccedcb5d5c Mon Sep 17 00:00:00 2001 From: "Matthieu Baerts (NGI0)" Date: Fri, 19 Sep 2025 14:09:00 +0200 Subject: [PATCH] mptcp: pm: netlink: deprecate server-side attribute Now that such info is in the 'flags' attribute, it is time to deprecate the dedicated 'server-side' attribute. It will be removed in a few versions. Reviewed-by: Geliang Tang Signed-off-by: Matthieu Baerts (NGI0) Link: https://patch.msgid.link/20250919-net-next-mptcp-server-side-flag-v1-3-a97a5d561a8b@kernel.org Signed-off-by: Jakub Kicinski --- Documentation/netlink/specs/mptcp_pm.yaml | 1 + net/mptcp/pm_netlink.c | 2 +- 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/Documentation/netlink/specs/mptcp_pm.yaml b/Documentation/netlink/specs/mptcp_pm.yaml index fc47a2931014..ba30a40b9dbf 100644 --- a/Documentation/netlink/specs/mptcp_pm.yaml +++ b/Documentation/netlink/specs/mptcp_pm.yaml @@ -266,6 +266,7 @@ attribute-sets: - name: server-side type: u8 + doc: "Deprecated: use 'flags'" operations: list: diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c index aa0c73faaa6a..d5b383870f79 100644 --- a/net/mptcp/pm_netlink.c +++ b/net/mptcp/pm_netlink.c @@ -416,7 +416,7 @@ static int mptcp_event_created(struct sk_buff *skb, if (READ_ONCE(msk->pm.server_side)) { flags |= MPTCP_PM_EV_FLAG_SERVER_SIDE; - /* only set when it is the server side */ + /* Deprecated, and only set when it is the server side */ if (nla_put_u8(skb, MPTCP_ATTR_SERVER_SIDE, 1)) return -EMSGSIZE; }