linux-kernel - [PATCH net-next v2 02/12] net: stmmac: replace the sph

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Fri, 23 Jun 2023 12:08:35 +0200
From:   Bartosz Golaszewski <brgl@...ev.pl>
To:     Vinod Koul <vkoul@...nel.org>,
        Bhupesh Sharma <bhupesh.sharma@...aro.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        "David S . Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Jose Abreu <joabreu@...opsys.com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Andrew Halaney <ahalaney@...hat.com>
Cc:     netdev@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-stm32@...md-mailman.stormreply.com,
        linux-arm-kernel@...ts.infradead.org,
        Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Subject: [PATCH net-next v2 02/12] net: stmmac: replace the sph_disable field with a flag

From: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>

Drop the boolean field of the plat_stmmacenet_data structure in favor of a
simple bitfield flag.

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
---
 drivers/net/ethernet/stmicro/stmmac/dwmac-dwc-qos-eth.c | 2 +-
 drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c       | 2 +-
 drivers/net/ethernet/stmicro/stmmac/stmmac_main.c       | 3 ++-
 include/linux/stmmac.h                                  | 2 +-
 4 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-dwc-qos-eth.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-dwc-qos-eth.c
index 9f88530c5e8c..0c12ab67c27b 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-dwc-qos-eth.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-dwc-qos-eth.c
@@ -359,7 +359,7 @@ static int tegra_eqos_probe(struct platform_device *pdev,
 	data->fix_mac_speed = tegra_eqos_fix_speed;
 	data->init = tegra_eqos_init;
 	data->bsp_priv = eqos;
-	data->sph_disable = 1;
+	data->flags |= STMMAC_FLAG_SPH_DISABLE;
 
 	err = tegra_eqos_init(pdev, eqos);
 	if (err < 0)
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c
index ab9f876b6df7..70e91bbef2a6 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c
@@ -459,7 +459,7 @@ static int intel_mgbe_common_data(struct pci_dev *pdev,
 	plat->has_gmac4 = 1;
 	plat->force_sf_dma_mode = 0;
 	plat->tso_en = 1;
-	plat->sph_disable = 1;
+	data->flags |= STMMAC_FLAG_SPH_DISABLE;
 
 	/* Multiplying factor to the clk_eee_i clock time
 	 * period to make it closer to 100 ns. This value
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 38b6cbd8a133..18e56299363d 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -7258,7 +7258,8 @@ int stmmac_dvr_probe(struct device *device,
 		dev_info(priv->device, "TSO feature enabled\n");
 	}
 
-	if (priv->dma_cap.sphen && !priv->plat->sph_disable) {
+	if (priv->dma_cap.sphen &&
+	    !(priv->plat->flags & STMMAC_FLAG_SPH_DISABLE)) {
 		ndev->hw_features |= NETIF_F_GRO;
 		priv->sph_cap = true;
 		priv->sph = priv->sph_cap;
diff --git a/include/linux/stmmac.h b/include/linux/stmmac.h
index 8e7511071ef1..1b02f866316c 100644
--- a/include/linux/stmmac.h
+++ b/include/linux/stmmac.h
@@ -205,6 +205,7 @@ struct dwmac4_addrs {
 };
 
 #define STMMAC_FLAG_HAS_INTEGRATED_PCS		BIT(0)
+#define STMMAC_FLAG_SPH_DISABLE			BIT(1)
 
 struct plat_stmmacenet_data {
 	int bus_id;
@@ -292,7 +293,6 @@ struct plat_stmmacenet_data {
 	int msi_rx_base_vec;
 	int msi_tx_base_vec;
 	bool use_phy_wol;
-	bool sph_disable;
 	bool serdes_up_after_phy_linkup;
 	const struct dwmac4_addrs *dwmac4_addrs;
 	unsigned int flags;
-- 
2.39.2