From patchwork Sun Jun 25 11:53:37 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pawel Dembicki X-Patchwork-Id: 13291939 X-Patchwork-Delegate: kuba@kernel.org Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (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 731C8442C for ; Sun, 25 Jun 2023 11:54:54 +0000 (UTC) Received: from mail-lj1-x235.google.com (mail-lj1-x235.google.com [IPv6:2a00:1450:4864:20::235]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A7805E47; Sun, 25 Jun 2023 04:54:50 -0700 (PDT) Received: by mail-lj1-x235.google.com with SMTP id 38308e7fff4ca-2b699a2fe86so8302411fa.3; Sun, 25 Jun 2023 04:54:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1687694088; x=1690286088; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=TnIWcZ1ZlXJJvtOUIT1yhuwFRiZT1JlqjJYQsTmV7EI=; b=Yf9tbRNAu6fmDIEcxL/uhWB4Oo/mXunh/50qHMDypNM63TBrJdXlhJEsBJ6hxxhW1a icycLaN/sipV9pjZz17qS3GbvAGKkcUw2IZ7k7YuIvwHd6tJzlkyQhP7cMzFN+kARR5Y aVw1aYQKIzWNwZ5tBWqFTyUb3Mh849Ql9WgQfKA0GiC3C9L9VdO6HCvu95jtZUCQQHxf fgqZqbGtuTJD1EL48B0jQi3oWPY9S2kEBj9i02jOcvPPnBwnN/pC5bOA7VhYqFgtjxqv UMtwIfk9MfpCgDMRZ7uqVfRkYmjDAsdujswCnIwTqfuvR0elQ89RBPgoeMa29ISyY7Un ypCg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1687694088; x=1690286088; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=TnIWcZ1ZlXJJvtOUIT1yhuwFRiZT1JlqjJYQsTmV7EI=; b=P+RFl1Df+6/MVI5qIZkiN70NJ/E+6ceBTZfp5NZnCjYE8fJQyzzBBD2WJ5QUCgxWwt H9NbHa+b4IRi0o4SZJP0/jAnZi1lqvT6WX5bqJ5di8Kne3RqHMqos6B12grNL68eaPlM zeFJ2JZmIfLF1e0Y1Rh+hwpft3Qm09ZcbyNsYLsAe3FdWQCSyqVG5a4diK0ieNhzIZ9P jA/XCMr8Is4JZouGc+VANmlS+TbyLqwSgEPLMiv9wyxQ0Ie8A65cyiLcqWVyuSD7EjbF 50PWmNVfgV+D/froIDdL06D3abVaDO46cguHKbadEkNfu9BgU3DfzjO9c838H2EPrf/f 8/3A== X-Gm-Message-State: AC+VfDxDMkaLZCCNxJs5dkce6/HfNOrtgjobJMUSNirbCvzJLY29apIF FtvFx/JsLKskB/4iqzqDKH1Qm/FXV7Q3nA== X-Google-Smtp-Source: ACHHUZ5nEkPsDkAK9OV7mxLQ3qI5lY+O29jhpmMUw1HYuOPS169glK0MNBaei78auVGz3uYN00Hoew== X-Received: by 2002:a2e:94c1:0:b0:2b1:daca:676f with SMTP id r1-20020a2e94c1000000b002b1daca676fmr15874730ljh.36.1687694088562; Sun, 25 Jun 2023 04:54:48 -0700 (PDT) Received: from WBEC325.dom.local ([185.188.71.122]) by smtp.gmail.com with ESMTPSA id w21-20020a2e9595000000b002b6993b9665sm416043ljh.65.2023.06.25.04.54.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 25 Jun 2023 04:54:48 -0700 (PDT) From: Pawel Dembicki To: netdev@vger.kernel.org Cc: Pawel Dembicki , Linus Walleij , Andrew Lunn , Florian Fainelli , Vladimir Oltean , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Russell King , linux-kernel@vger.kernel.org Subject: [PATCH net-next v2 2/7] net: dsa: vsc73xx: convert to PHYLINK Date: Sun, 25 Jun 2023 13:53:37 +0200 Message-Id: <20230625115343.1603330-2-paweldembicki@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230625115343.1603330-1-paweldembicki@gmail.com> References: <20230625115343.1603330-1-paweldembicki@gmail.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM, RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net X-Patchwork-Delegate: kuba@kernel.org This patch replaces the adjust_link api with the phylink apis that provide equivalent functionality. The remaining functionality from the adjust_link is now covered in the phylink_mac_link_* and phylink_mac_config. Removes: .adjust_link Adds: .phylink_get_caps .phylink_mac_link_down .phylink_mac_link_up .phylink_mac_link_down Reviewed-by: Linus Walleij Signed-off-by: Pawel Dembicki --- v2: - replace switch to if and get rid of macros in vsc73xx_phylink_mac_link_up function drivers/net/dsa/vitesse-vsc73xx-core.c | 196 +++++++++++++------------ 1 file changed, 102 insertions(+), 94 deletions(-) diff --git a/drivers/net/dsa/vitesse-vsc73xx-core.c b/drivers/net/dsa/vitesse-vsc73xx-core.c index bea5ec7a89fd..221672b9e17f 100644 --- a/drivers/net/dsa/vitesse-vsc73xx-core.c +++ b/drivers/net/dsa/vitesse-vsc73xx-core.c @@ -715,8 +715,7 @@ static void vsc73xx_init_port(struct vsc73xx *vsc, int port) } static void vsc73xx_adjust_enable_port(struct vsc73xx *vsc, - int port, struct phy_device *phydev, - u32 initval) + int port, u32 initval) { u32 val = initval; u8 seed; @@ -754,12 +753,40 @@ static void vsc73xx_adjust_enable_port(struct vsc73xx *vsc, VSC73XX_MAC_CFG_TX_EN | VSC73XX_MAC_CFG_RX_EN); } -static void vsc73xx_adjust_link(struct dsa_switch *ds, int port, - struct phy_device *phydev) +static void vsc73xx_phylink_get_caps(struct dsa_switch *ds, int port, + struct phylink_config *config) { - struct vsc73xx *vsc = ds->priv; - u32 val; + /* This switch only supports full-duplex at 1Gbps */ + config->mac_capabilities = MAC_10 | MAC_100 | MAC_1000FD | + MAC_ASYM_PAUSE | MAC_SYM_PAUSE; + + if (port == CPU_PORT) { + __set_bit(PHY_INTERFACE_MODE_RGMII, + config->supported_interfaces); + __set_bit(PHY_INTERFACE_MODE_GMII, + config->supported_interfaces); + } else { + __set_bit(PHY_INTERFACE_MODE_INTERNAL, + config->supported_interfaces); + /* Compatibility for phylib's default interface type when the + * phy-mode property is absent + */ + __set_bit(PHY_INTERFACE_MODE_GMII, + config->supported_interfaces); + } + + /* This driver does not make use of the speed, duplex, pause or the + * advertisement in its mac_config, so it is safe to mark this driver + * as non-legacy. + */ + config->legacy_pre_march2020 = false; +} +static void vsc73xx_phylink_mac_config(struct dsa_switch *ds, int port, + unsigned int mode, + const struct phylink_link_state *state) +{ + struct vsc73xx *vsc = ds->priv; /* Special handling of the CPU-facing port */ if (port == CPU_PORT) { /* Other ports are already initialized but not this one */ @@ -775,101 +802,79 @@ static void vsc73xx_adjust_link(struct dsa_switch *ds, int port, VSC73XX_ADVPORTM_ENA_GTX | VSC73XX_ADVPORTM_DDR_MODE); } +} - /* This is the MAC confiuration that always need to happen - * after a PHY or the CPU port comes up or down. - */ - if (!phydev->link) { - int ret, err; - - dev_dbg(vsc->dev, "port %d: went down\n", - port); - - /* Disable RX on this port */ - vsc73xx_update_bits(vsc, VSC73XX_BLOCK_MAC, port, - VSC73XX_MAC_CFG, - VSC73XX_MAC_CFG_RX_EN, 0); - - /* Discard packets */ - vsc73xx_update_bits(vsc, VSC73XX_BLOCK_ARBITER, 0, - VSC73XX_ARBDISC, BIT(port), BIT(port)); - - /* Wait until queue is empty */ - ret = read_poll_timeout(vsc73xx_read, err, - err < 0 || (val & BIT(port)), - 1000, 10000, false, - vsc, VSC73XX_BLOCK_ARBITER, 0, - VSC73XX_ARBEMPTY, &val); - if (ret) - dev_err(vsc->dev, - "timeout waiting for block arbiter\n"); - else if (err < 0) - dev_err(vsc->dev, "error reading arbiter\n"); - - /* Put this port into reset */ - vsc73xx_write(vsc, VSC73XX_BLOCK_MAC, port, VSC73XX_MAC_CFG, - VSC73XX_MAC_CFG_RESET); - - /* Accept packets again */ - vsc73xx_update_bits(vsc, VSC73XX_BLOCK_ARBITER, 0, - VSC73XX_ARBDISC, BIT(port), 0); - - /* Allow backward dropping of frames from this port */ - vsc73xx_update_bits(vsc, VSC73XX_BLOCK_ARBITER, 0, - VSC73XX_SBACKWDROP, BIT(port), BIT(port)); - - /* Receive mask (disable forwarding) */ - vsc73xx_update_bits(vsc, VSC73XX_BLOCK_ANALYZER, 0, - VSC73XX_RECVMASK, BIT(port), 0); +static void vsc73xx_phylink_mac_link_down(struct dsa_switch *ds, int port, + unsigned int mode, + phy_interface_t interface) +{ + struct vsc73xx *vsc = ds->priv; + int ret, err; + u32 val; - return; - } + /* Disable RX on this port */ + vsc73xx_update_bits(vsc, VSC73XX_BLOCK_MAC, port, + VSC73XX_MAC_CFG, + VSC73XX_MAC_CFG_RX_EN, 0); - /* Figure out what speed was negotiated */ - if (phydev->speed == SPEED_1000) { - dev_dbg(vsc->dev, "port %d: 1000 Mbit mode full duplex\n", - port); - - /* Set up default for internal port or external RGMII */ - if (phydev->interface == PHY_INTERFACE_MODE_RGMII) - val = VSC73XX_MAC_CFG_1000M_F_RGMII; - else - val = VSC73XX_MAC_CFG_1000M_F_PHY; - vsc73xx_adjust_enable_port(vsc, port, phydev, val); - } else if (phydev->speed == SPEED_100) { - if (phydev->duplex == DUPLEX_FULL) { - val = VSC73XX_MAC_CFG_100_10M_F_PHY; - dev_dbg(vsc->dev, - "port %d: 100 Mbit full duplex mode\n", - port); - } else { - val = VSC73XX_MAC_CFG_100_10M_H_PHY; - dev_dbg(vsc->dev, - "port %d: 100 Mbit half duplex mode\n", - port); - } - vsc73xx_adjust_enable_port(vsc, port, phydev, val); - } else if (phydev->speed == SPEED_10) { - if (phydev->duplex == DUPLEX_FULL) { - val = VSC73XX_MAC_CFG_100_10M_F_PHY; - dev_dbg(vsc->dev, - "port %d: 10 Mbit full duplex mode\n", - port); - } else { - val = VSC73XX_MAC_CFG_100_10M_H_PHY; - dev_dbg(vsc->dev, - "port %d: 10 Mbit half duplex mode\n", - port); - } - vsc73xx_adjust_enable_port(vsc, port, phydev, val); - } else { + /* Discard packets */ + vsc73xx_update_bits(vsc, VSC73XX_BLOCK_ARBITER, 0, + VSC73XX_ARBDISC, BIT(port), BIT(port)); + + /* Wait until queue is empty */ + ret = read_poll_timeout(vsc73xx_read, err, err < 0 || (val & BIT(port)), + 1000, 10000, false, vsc, VSC73XX_BLOCK_ARBITER, + 0, VSC73XX_ARBEMPTY, &val); + if (ret) dev_err(vsc->dev, - "could not adjust link: unknown speed\n"); - } + "timeout waiting for block arbiter\n"); + else if (err < 0) + dev_err(vsc->dev, "error reading arbiter\n"); + + /* Put this port into reset */ + vsc73xx_write(vsc, VSC73XX_BLOCK_MAC, port, VSC73XX_MAC_CFG, + VSC73XX_MAC_CFG_RESET); + + /* Accept packets again */ + vsc73xx_update_bits(vsc, VSC73XX_BLOCK_ARBITER, 0, + VSC73XX_ARBDISC, BIT(port), 0); + + /* Allow backward dropping of frames from this port */ + vsc73xx_update_bits(vsc, VSC73XX_BLOCK_ARBITER, 0, + VSC73XX_SBACKWDROP, BIT(port), BIT(port)); + + /* Receive mask (disable forwarding) */ + vsc73xx_update_bits(vsc, VSC73XX_BLOCK_ANALYZER, 0, + VSC73XX_RECVMASK, BIT(port), 0); +} + +static void vsc73xx_phylink_mac_link_up(struct dsa_switch *ds, int port, + unsigned int mode, + phy_interface_t interface, + struct phy_device *phydev, + int speed, int duplex, + bool tx_pause, bool rx_pause) +{ + struct vsc73xx *vsc = ds->priv; + u32 val; + + if (speed == SPEED_1000) + val = VSC73XX_MAC_CFG_GIGA_MODE | VSC73XX_MAC_CFG_TX_IPG_1000M; + else + val = VSC73XX_MAC_CFG_TX_IPG_100_10M; + + if (interface == PHY_INTERFACE_MODE_RGMII) + val |= VSC73XX_MAC_CFG_CLK_SEL_1000M; + else + val |= VSC73XX_MAC_CFG_CLK_SEL_EXT; + + if (duplex == DUPLEX_FULL) + val |= VSC73XX_MAC_CFG_FDX; /* Enable port (forwarding) in the receieve mask */ vsc73xx_update_bits(vsc, VSC73XX_BLOCK_ANALYZER, 0, VSC73XX_RECVMASK, BIT(port), BIT(port)); + vsc73xx_adjust_enable_port(vsc, port, val); } static int vsc73xx_port_enable(struct dsa_switch *ds, int port, @@ -1040,7 +1045,10 @@ static const struct dsa_switch_ops vsc73xx_ds_ops = { .setup = vsc73xx_setup, .phy_read = vsc73xx_phy_read, .phy_write = vsc73xx_phy_write, - .adjust_link = vsc73xx_adjust_link, + .phylink_get_caps = vsc73xx_phylink_get_caps, + .phylink_mac_config = vsc73xx_phylink_mac_config, + .phylink_mac_link_down = vsc73xx_phylink_mac_link_down, + .phylink_mac_link_up = vsc73xx_phylink_mac_link_up, .get_strings = vsc73xx_get_strings, .get_ethtool_stats = vsc73xx_get_ethtool_stats, .get_sset_count = vsc73xx_get_sset_count,