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[144.49.247.117]) by smtp-relay.gmail.com with ESMTPS id 71dfb90a1353d-56d1f0623f3sm141471e0c.3.2026.03.24.13.08.32 for (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Tue, 24 Mar 2026 13:08:32 -0700 (PDT) X-Relaying-Domain: broadcom.com X-CFilter-Loop: Reflected Received: by mail-pj1-f71.google.com with SMTP id 98e67ed59e1d1-35842aa350fso29640561a91.0 for ; Tue, 24 Mar 2026 13:08:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; t=1774382911; x=1774987711; 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=AgVSJnWuJefgE748kSGGlNttX9eGuPVhvmw+gDfPU/QCD2Ax4yXTS7FJkwXxqtnm38 Kpc1AuawNzyZKM+0f80c4zGdrrZ+l9Z6VKTIROahKtB6oLnAJ+ryzYjX9nI+4fOTfQrA VVISlOX+XtH4Vwz1ErAj43ffD8fxg0Wj/FTYw= X-Received: by 2002:a17:90b:1647:b0:359:ff8a:ee3f with SMTP id 98e67ed59e1d1-35c0ddb0bf7mr575852a91.30.1774382911288; Tue, 24 Mar 2026 13:08:31 -0700 (PDT) X-Received: by 2002:a17:90b:1647:b0:359:ff8a:ee3f with SMTP id 98e67ed59e1d1-35c0ddb0bf7mr575838a91.30.1774382910805; Tue, 24 Mar 2026 13:08:30 -0700 (PDT) Received: from localhost.localdomain ([192.19.203.250]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-c743a80163bsm9930057a12.1.2026.03.24.13.08.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 24 Mar 2026 13:08:30 -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 v9 04/10] bng_en: implement ethtool pauseparam operations Date: Wed, 25 Mar 2026 01:37:34 +0530 Message-ID: <20260324200740.346029-5-bhargava.marreddy@broadcom.com> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260324200740.346029-1-bhargava.marreddy@broadcom.com> References: <20260324200740.346029-1-bhargava.marreddy@broadcom.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-DetectorID-Processed: b00c1d49-9d2e-4205-b15f-d015386d3d5e 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/net/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)); } +static void bnge_get_pauseparam(struct net_device *dev, + struct ethtool_pauseparam *epause) +{ + struct bnge_net *bn = netdev_priv(dev); + struct bnge_dev *bd = bn->bd; + + if (bd->phy_flags & BNGE_PHY_FL_NO_PAUSE) { + epause->autoneg = 0; + epause->rx_pause = 0; + epause->tx_pause = 0; + return; + } + + epause->autoneg = !!(bn->eth_link_info.autoneg & + BNGE_AUTONEG_FLOW_CTRL); + epause->rx_pause = !!(bn->eth_link_info.req_flow_ctrl & + BNGE_LINK_PAUSE_RX); + epause->tx_pause = !!(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 = netdev_priv(dev); + struct bnge_dev *bd = bn->bd; + int rc = 0; + + if (!BNGE_PHY_CFG_ABLE(bd) || (bd->phy_flags & BNGE_PHY_FL_NO_PAUSE)) + return -EOPNOTSUPP; + + elink_info = &bn->eth_link_info; + old_elink_info = *elink_info; + + if (epause->autoneg) { + if (!(elink_info->autoneg & BNGE_AUTONEG_SPEED)) + return -EINVAL; + + elink_info->autoneg |= BNGE_AUTONEG_FLOW_CTRL; + } else { + if (elink_info->autoneg & BNGE_AUTONEG_FLOW_CTRL) + elink_info->force_link_chng = true; + elink_info->autoneg &= ~BNGE_AUTONEG_FLOW_CTRL; + } + + elink_info->req_flow_ctrl = 0; + if (epause->rx_pause) + elink_info->req_flow_ctrl |= BNGE_LINK_PAUSE_RX; + if (epause->tx_pause) + elink_info->req_flow_ctrl |= BNGE_LINK_PAUSE_TX; + + if (netif_running(dev)) { + rc = bnge_hwrm_set_pause(bn); + if (rc) + *elink_info = old_elink_info; + } + + return rc; +} + static const struct ethtool_ops bnge_ethtool_ops = { .cap_link_lanes_supported = 1, .get_link_ksettings = bnge_get_link_ksettings, @@ -53,6 +114,8 @@ static const struct ethtool_ops bnge_ethtool_ops = { .get_drvinfo = bnge_get_drvinfo, .get_link = bnge_get_link, .nway_reset = bnge_nway_reset, + .get_pauseparam = bnge_get_pauseparam, + .set_pauseparam = bnge_set_pauseparam, }; void bnge_set_ethtool_ops(struct net_device *dev) -- 2.47.3