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[144.49.247.24]) by smtp-relay.gmail.com with ESMTPS id 956f58d0204a3-6503a944ee2sm808953d50.18.2026.04.06.11.05.18 for (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Mon, 06 Apr 2026 11:05:18 -0700 (PDT) X-Relaying-Domain: broadcom.com X-CFilter-Loop: Reflected Received: by mail-pl1-f197.google.com with SMTP id d9443c01a7336-2b0c30b51bfso94383465ad.0 for ; Mon, 06 Apr 2026 11:05:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; t=1775498717; x=1776103517; darn=vger.kernel.org; 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=cUyZiVTNKsqn9jj8gYUSvfoN+c8WD4aQmQkycQsfN1o=; b=FXJh00I+KgAOYNYQ4R9h/U9V7yywjZjtzcUJbfAB/65i3bgdJZcSNT8mZQMRgIH2JN HPmFJHRw9R0xTpuaEzaJw1BlEC+GxlX7N79Sis+BwneCIdju9bpWohGjG4YLOsrC8++F FiXDC6p8DxgAB+0QoOzWiyXcdeO+a+7d1atTE= X-Forwarded-Encrypted: i=1; AJvYcCVx8Qvz2Sez2yshGsd0OLTTzB5mQeuf3cznWWXympEuefeoJ7+L2CfP13bUt6H8SNF893lB/Lv2ReOqHV8=@vger.kernel.org X-Received: by 2002:a17:902:f611:b0:2b2:470d:6d0d with SMTP id d9443c01a7336-2b281706f78mr148607235ad.9.1775498717164; Mon, 06 Apr 2026 11:05:17 -0700 (PDT) X-Received: by 2002:a17:902:f611:b0:2b2:470d:6d0d with SMTP id d9443c01a7336-2b281706f78mr148606715ad.9.1775498716433; Mon, 06 Apr 2026 11:05:16 -0700 (PDT) Received: from localhost.localdomain ([192.19.203.250]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2b2749a475fsm140625145ad.61.2026.04.06.11.05.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 06 Apr 2026 11:05:15 -0700 (PDT) From: Bhargava Marreddy To: davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, andrew+netdev@lunn.ch, horms@kernel.org Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, michael.chan@broadcom.com, pavan.chebbi@broadcom.com, vsrama-krishna.nemani@broadcom.com, vikas.gupta@broadcom.com, Bhargava Marreddy Subject: [PATCH net-next v12 04/10] bng_en: implement ethtool pauseparam operations Date: Mon, 6 Apr 2026 23:34:14 +0530 Message-ID: <20260406180420.279470-5-bhargava.marreddy@broadcom.com> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260406180420.279470-1-bhargava.marreddy@broadcom.com> References: <20260406180420.279470-1-bhargava.marreddy@broadcom.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-DetectorID-Processed: b00c1d49-9d2e-4205-b15f-d015386d3d5e Content-Type: text/plain; charset="utf-8" Implement .get_pauseparam and .set_pauseparam to support flow control configuration. This allows reporting and setting of autoneg, RX pause, and TX pause states. Signed-off-by: Bhargava Marreddy Reviewed-by: Vikas Gupta --- .../net/ethernet/broadcom/bnge/bnge_ethtool.c | 63 +++++++++++++++++++ 1 file changed, 63 insertions(+) diff --git a/drivers/net/ethernet/broadcom/bnge/bnge_ethtool.c b/drivers/ne= t/ethernet/broadcom/bnge/bnge_ethtool.c index 6bb74a84ea03..424bf2d6721c 100644 --- a/drivers/net/ethernet/broadcom/bnge/bnge_ethtool.c +++ b/drivers/net/ethernet/broadcom/bnge/bnge_ethtool.c @@ -46,6 +46,67 @@ static void bnge_get_drvinfo(struct net_device *dev, strscpy(info->bus_info, pci_name(bd->pdev), sizeof(info->bus_info)); } =20 +static void bnge_get_pauseparam(struct net_device *dev, + struct ethtool_pauseparam *epause) +{ + struct bnge_net *bn =3D netdev_priv(dev); + struct bnge_dev *bd =3D bn->bd; + + if (bd->phy_flags & BNGE_PHY_FL_NO_PAUSE) { + epause->autoneg =3D 0; + epause->rx_pause =3D 0; + epause->tx_pause =3D 0; + return; + } + + epause->autoneg =3D !!(bn->eth_link_info.autoneg & + BNGE_AUTONEG_FLOW_CTRL); + epause->rx_pause =3D !!(bn->eth_link_info.req_flow_ctrl & + BNGE_LINK_PAUSE_RX); + epause->tx_pause =3D !!(bn->eth_link_info.req_flow_ctrl & + BNGE_LINK_PAUSE_TX); +} + +static int bnge_set_pauseparam(struct net_device *dev, + struct ethtool_pauseparam *epause) +{ + struct bnge_ethtool_link_info old_elink_info, *elink_info; + struct bnge_net *bn =3D netdev_priv(dev); + struct bnge_dev *bd =3D bn->bd; + int rc =3D 0; + + if (!BNGE_PHY_CFG_ABLE(bd) || (bd->phy_flags & BNGE_PHY_FL_NO_PAUSE)) + return -EOPNOTSUPP; + + elink_info =3D &bn->eth_link_info; + old_elink_info =3D *elink_info; + + if (epause->autoneg) { + if (!(elink_info->autoneg & BNGE_AUTONEG_SPEED)) + return -EINVAL; + + elink_info->autoneg |=3D BNGE_AUTONEG_FLOW_CTRL; + } else { + if (elink_info->autoneg & BNGE_AUTONEG_FLOW_CTRL) + elink_info->force_link_chng =3D true; + elink_info->autoneg &=3D ~BNGE_AUTONEG_FLOW_CTRL; + } + + elink_info->req_flow_ctrl =3D 0; + if (epause->rx_pause) + elink_info->req_flow_ctrl |=3D BNGE_LINK_PAUSE_RX; + if (epause->tx_pause) + elink_info->req_flow_ctrl |=3D BNGE_LINK_PAUSE_TX; + + if (netif_running(dev)) { + rc =3D bnge_hwrm_set_pause(bn); + if (rc) + *elink_info =3D old_elink_info; + } + + return rc; +} + static const struct ethtool_ops bnge_ethtool_ops =3D { .cap_link_lanes_supported =3D 1, .get_link_ksettings =3D bnge_get_link_ksettings, @@ -53,6 +114,8 @@ static const struct ethtool_ops bnge_ethtool_ops =3D { .get_drvinfo =3D bnge_get_drvinfo, .get_link =3D bnge_get_link, .nway_reset =3D bnge_nway_reset, + .get_pauseparam =3D bnge_get_pauseparam, + .set_pauseparam =3D bnge_set_pauseparam, }; =20 void bnge_set_ethtool_ops(struct net_device *dev) --=20 2.47.3