[PATCH net-next 05/12] net: stmmac: replace the tso_en field with a flag

Bartosz Golaszewski
2023-06-21T18:26:33Z

drivers/net/ethernet/stmicro/stmmac/dwmac-dwc-qos-eth.c | 2 +-
drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c | 3 +--
drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c | 3 ++-
drivers/net/ethernet/stmicro/stmmac/dwmac-tegra.c | 2 +-
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 4 ++--
drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c | 2 +-
drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c | 6 ++++--
include/linux/stmmac.h | 2 +-
8 files changed, 13 insertions(+), 11 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 0c12ab67c27b..b5efd9c2eac7 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-dwc-qos-eth.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-dwc-qos-eth.c
@@ -113,7 +113,7 @@ static int dwc_eth_dwmac_config_dt(struct platform_device *pdev,
/* dwc-qos needs GMAC4, AAL, TSO and PMT */
plat_dat->has_gmac4 = 1;
plat_dat->dma_cfg->aal = 1;
- plat_dat->tso_en = 1;
+ plat_dat->flags |= STMMAC_FLAG_TSO_EN;
plat_dat->pmt = 1;

return 0;
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c
index 44a84a6c18ce..faa6f4ec6838 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c
@@ -458,8 +458,7 @@ static int intel_mgbe_common_data(struct pci_dev *pdev,
plat->has_gmac = 0;
plat->has_gmac4 = 1;
plat->force_sf_dma_mode = 0;
- plat->tso_en = 1;
- data->flags |= STMMAC_FLAG_SPH_DISABLE;
+ plat->flags |= (STMMAC_FLAG_TSO_EN | 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/dwmac-qcom-ethqos.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c
index 44151e69f9ce..79e196397aea 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c
@@ -787,7 +787,8 @@ static int qcom_ethqos_probe(struct platform_device *pdev)
if (ethqos->has_emac_ge_3)
plat_dat->dwmac4_addrs = &data->dwmac4_addrs;
plat_dat->pmt = 1;
- plat_dat->tso_en = of_property_read_bool(np, "snps,tso");
+ if (of_property_read_bool(np, "snps,tso"))
+ plat_dat->flags |= STMMAC_FLAG_TSO_EN;
if (of_device_is_compatible(np, "qcom,qcs404-ethqos"))
plat_dat->rx_clk_runs_in_lpi = 1;
if (data->has_integrated_pcs)
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-tegra.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-tegra.c
index f8367c5b490b..5e8aa03cffae 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-tegra.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-tegra.c
@@ -290,7 +290,7 @@ static int tegra_mgbe_probe(struct platform_device *pdev)
}

plat->has_xgmac = 1;
- plat->tso_en = 1;
+ plat->flags |= STMMAC_FLAG_TSO_EN;
plat->pmt = 1;
plat->bsp_priv = mgbe;

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 3df32658b5bb..73002ed923aa 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -5677,7 +5677,7 @@ static netdev_features_t stmmac_fix_features(struct net_device *dev,
features &= ~NETIF_F_CSUM_MASK;

/* Disable tso if asked by ethtool */
- if ((priv->plat->tso_en) && (priv->dma_cap.tsoen)) {
+ if ((priv->plat->flags & STMMAC_FLAG_TSO_EN) && (priv->dma_cap.tsoen)) {
if (features & NETIF_F_TSO)
priv->tso = true;
else
@@ -7250,7 +7250,7 @@ int stmmac_dvr_probe(struct device *device,
ndev->hw_features |= NETIF_F_HW_TC;
}

- if ((priv->plat->tso_en) && (priv->dma_cap.tsoen)) {
+ if ((priv->plat->flags & STMMAC_FLAG_TSO_EN) && (priv->dma_cap.tsoen)) {
ndev->hw_features |= NETIF_F_TSO | NETIF_F_TSO6;
if (priv->plat->has_gmac4)
ndev->hw_features |= NETIF_F_GSO_UDP_L4;
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c
index 644bb54f5f02..352b01678c22 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c
@@ -77,7 +77,7 @@ static int snps_gmac5_default_data(struct pci_dev *pdev,
plat->clk_csr = 5;
plat->has_gmac4 = 1;
plat->force_sf_dma_mode = 1;
- plat->tso_en = 1;
+ plat->flags |= STMMAC_FLAG_TSO_EN;
plat->pmt = 1;

/* Set default value for multicast hash bins */
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
index 3c6b55b60461..5a67af4526c7 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
@@ -524,7 +524,8 @@ stmmac_probe_config_dt(struct platform_device *pdev, u8 *mac)
plat->has_gmac4 = 1;
plat->has_gmac = 0;
plat->pmt = 1;
- plat->tso_en = of_property_read_bool(np, "snps,tso");
+ if (of_property_read_bool(np, "snps,tso"))
+ plat->flags |= STMMAC_FLAG_TSO_EN;
}

if (of_device_is_compatible(np, "snps,dwmac-3.610") ||
@@ -537,7 +538,8 @@ stmmac_probe_config_dt(struct platform_device *pdev, u8 *mac)
if (of_device_is_compatible(np, "snps,dwxgmac")) {
plat->has_xgmac = 1;
plat->pmt = 1;
- plat->tso_en = of_property_read_bool(np, "snps,tso");
+ if (of_property_read_bool(np, "snps,tso"))
+ plat->flags |= STMMAC_FLAG_TSO_EN;
}

dma_cfg = devm_kzalloc(&pdev->dev, sizeof(*dma_cfg),
diff --git a/include/linux/stmmac.h b/include/linux/stmmac.h
index 66dcf84d024a..47ae29a98835 100644
--- a/include/linux/stmmac.h
+++ b/include/linux/stmmac.h
@@ -208,6 +208,7 @@ struct dwmac4_addrs {
#define STMMAC_FLAG_SPH_DISABLE BIT(1)
#define STMMAC_FLAG_USE_PHY_WOL BIT(2)
#define STMMAC_FLAG_HAS_SUN8I BIT(3)
+#define STMMAC_FLAG_TSO_EN BIT(4)

struct plat_stmmacenet_data {
int bus_id;
@@ -271,7 +272,6 @@ struct plat_stmmacenet_data {
struct reset_control *stmmac_ahb_rst;
struct stmmac_axi *axi;
int has_gmac4;
- bool tso_en;
int rss_en;
int mac_port_sel_speed;
bool en_tx_lpi_clockgating;
--
2.39.2