From nobody Sun Feb 8 20:33:12 2026 Received: from smtpout-02.galae.net (smtpout-02.galae.net [185.246.84.56]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6EF6535D604 for ; Tue, 27 Jan 2026 13:42:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.246.84.56 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769521361; cv=none; b=N9z2KyQeayBXMrKH8tbEzbegEpC1E4H1MlDII6D2ZDDYCFitSdPPdleih5WmtmlwEr7dzgH1+tBnY3B2lyIV9f8fH31NKy0pQjF1e1QZkga19BdHul/MvK23UucDjgPzGb3rRUAT4WTDwcSBBkyuDYaj1Ho0SH8t8b9/vxHAEpM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769521361; c=relaxed/simple; bh=TQJLvfrLbkpH2tgRH3T5MjUllU/MA6zjpa35N8wYB34=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Z45VPzFgIHoSoNOk3kwjzJbYeCcnUSHvCs9xvKRe0/RbtzG1nCe08IWTkjtYSby1MQXf8i2hJdL2iihUhtkJWhxyqsCD1bjfIsdm40fHVAZ+0eOwBZjX55AnrQjCIQLJYyLbpzeUpGsk+tMFNY9+7rEf1es50l5kWW9WM+B4utg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com; spf=pass smtp.mailfrom=bootlin.com; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b=GPopLQC6; arc=none smtp.client-ip=185.246.84.56 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bootlin.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b="GPopLQC6" Received: from smtpout-01.galae.net (smtpout-01.galae.net [212.83.139.233]) by smtpout-02.galae.net (Postfix) with ESMTPS id 0B72C1A2A82; Tue, 27 Jan 2026 13:42:39 +0000 (UTC) Received: from mail.galae.net (mail.galae.net [212.83.136.155]) by smtpout-01.galae.net (Postfix) with ESMTPS id D62FC606F5; Tue, 27 Jan 2026 13:42:38 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id ECA88119A8690; Tue, 27 Jan 2026 14:42:35 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=dkim; t=1769521357; h=from:subject:date:message-id:to:cc:mime-version: content-transfer-encoding:in-reply-to:references; bh=bqj8JUK2+OuAF2zK25RJrBtPlN18kp54KfaV+cibShA=; b=GPopLQC6LSNgHlCia3rwWxec0uztQlGP+UuCOMvVpCOdkw9sGVYn/i207piacN4zQmfxCQ 6A+/+8N57XOMqaboDH4UWokjmuI6OKha7oSmd/EhnKzPUmjUxx4WKussaS/2oMlXkOJlyb CSyPZ/YV/gsMUj9TFFvyf/6ZMRkwUvTrQ1Mw0299YgoL8UILWefrO2DIos1KwesZFzpceq mkD0ePs0k3hZ2RTdStmXwMvHfaXbOimzV19yTm2LEduYBnPbwHh/qzSlNK52TCy6pDR6M1 VV850IdpcOaNqdJwMlHaEbyEhJ2RDv1yGGzjBCeC/GoWVCu3UuHE6MjnvHMM2A== From: Maxime Chevallier To: davem@davemloft.net, Andrew Lunn , Jakub Kicinski , Eric Dumazet , Paolo Abeni , Russell King , Heiner Kallweit Cc: Maxime Chevallier , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, thomas.petazzoni@bootlin.com, Christophe Leroy , Herve Codina , Florian Fainelli , Vladimir Oltean , =?UTF-8?q?K=C3=B6ry=20Maincent?= , =?UTF-8?q?Marek=20Beh=C3=BAn?= , Oleksij Rempel , =?UTF-8?q?Nicol=C3=B2=20Veronese?= , Simon Horman , mwojtas@chromium.org, Romain Gantois , Daniel Golle , Dimitri Fedrau Subject: [PATCH net-next 08/13] net: phylink: Represent PHY-less SFP modules with phy_port Date: Tue, 27 Jan 2026 14:41:56 +0100 Message-ID: <20260127134202.8208-9-maxime.chevallier@bootlin.com> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20260127134202.8208-1-maxime.chevallier@bootlin.com> References: <20260127134202.8208-1-maxime.chevallier@bootlin.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Last-TLS-Session-Version: TLSv1.3 Content-Type: text/plain; charset="utf-8" Let phylink handle the phy_port for PHY-less modules, and register it to the topology. Signed-off-by: Maxime Chevallier --- drivers/net/phy/phylink.c | 68 +++++++++++++++++++++++++++++++++++++-- 1 file changed, 66 insertions(+), 2 deletions(-) diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c index 310af33d49a0..6c62604b00a6 100644 --- a/drivers/net/phy/phylink.c +++ b/drivers/net/phy/phylink.c @@ -96,6 +96,7 @@ struct phylink { __ETHTOOL_DECLARE_LINK_MODE_MASK(sfp_support); u8 sfp_port; struct phy_port *sfp_bus_port; + struct phy_port *mod_port; =20 struct eee_config eee_cfg; =20 @@ -1786,13 +1787,31 @@ static int phylink_create_sfp_port(struct phylink *= pl) else pl->sfp_bus_port =3D port; =20 + if (pl->mod_port) { + ret =3D phy_link_topo_add_port(pl->netdev, pl->mod_port); + if (ret) + goto out_bus_port; + } + + return 0; +out_bus_port: + phy_link_topo_del_port(pl->netdev, port); + phy_port_destroy(port); return ret; } =20 static void phylink_destroy_sfp_port(struct phylink *pl) { - if (pl->netdev && pl->sfp_bus_port) - phy_link_topo_del_port(pl->netdev, pl->sfp_bus_port); + if (pl->netdev) { + if (pl->sfp_bus_port) + phy_link_topo_del_port(pl->netdev, pl->sfp_bus_port); + + /* Only remove it from the topology, it will be destroyed at + * module removal. + */ + if (pl->mod_port) + phy_link_topo_del_port(pl->netdev, pl->mod_port); + } =20 if (pl->sfp_bus_port) phy_port_destroy(pl->sfp_bus_port); @@ -3998,6 +4017,49 @@ static void phylink_sfp_disconnect_phy(void *upstrea= m, phylink_disconnect_phy(upstream); } =20 +static int phylink_sfp_connect_nophy(void *upstream) +{ + const struct sfp_module_caps *caps; + struct phylink *pl =3D upstream; + struct phy_port *port; + int ret =3D 0; + + /* Create mod port */ + port =3D phy_port_alloc(); + if (!port) + return -ENOMEM; + + port->active =3D true; + + caps =3D sfp_get_module_caps(pl->sfp_bus); + + phy_caps_linkmode_filter_ifaces(port->supported, caps->link_modes, + pl->sfp_bus_port->interfaces); + + if (pl->netdev) { + ret =3D phy_link_topo_add_port(pl->netdev, port); + if (ret) { + phy_port_destroy(port); + return ret; + } + } + + pl->mod_port =3D port; + + return 0; +} + +static void phylink_sfp_disconnect_nophy(void *upstream) +{ + struct phylink *pl =3D upstream; + + if (pl->netdev) + phy_link_topo_del_port(pl->netdev, pl->mod_port); + + phy_port_destroy(pl->mod_port); + pl->mod_port =3D NULL; +} + static const struct sfp_upstream_ops sfp_phylink_ops =3D { .attach =3D phylink_sfp_attach, .detach =3D phylink_sfp_detach, @@ -4009,6 +4071,8 @@ static const struct sfp_upstream_ops sfp_phylink_ops = =3D { .link_down =3D phylink_sfp_link_down, .connect_phy =3D phylink_sfp_connect_phy, .disconnect_phy =3D phylink_sfp_disconnect_phy, + .connect_nophy =3D phylink_sfp_connect_nophy, + .disconnect_nophy =3D phylink_sfp_disconnect_nophy, }; =20 /* Helpers for MAC drivers */ --=20 2.49.0