[PATCH net-next 1/1] net: stmmac: Add PCI bus info to ethtool driver query output

[Wong Vee Khee]

This patch populates the PCI bus info in the ethtool driver query data.

Users will be able to view PCI bus info using 'ethtool -i <interface>'.

Signed-off-by: Wong Vee Khee <vee.khee.wong at intel.com>
---
 drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c    | 1 +
 drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c | 4 ++++
 include/linux/stmmac.h                               | 1 +
 3 files changed, 6 insertions(+)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c
index 1c9c67b641a2..751dfdeec41c 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c
@@ -236,6 +236,7 @@ static int intel_mgbe_common_data(struct pci_dev *pdev,
 	int ret;
 	int i;
 
+	plat->pdev = pdev;
 	plat->phy_addr = -1;
 	plat->clk_csr = 5;
 	plat->has_gmac = 0;
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c
index 9e54f953634b..c5642985ef95 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c
@@ -268,6 +268,10 @@ static void stmmac_ethtool_getdrvinfo(struct net_device *dev,
 		strlcpy(info->driver, MAC100_ETHTOOL_NAME,
 			sizeof(info->driver));
 
+	if (priv->plat->pdev) {
+		strlcpy(info->bus_info, pci_name(priv->plat->pdev),
+			sizeof(info->bus_info));
+	}
 	strlcpy(info->version, DRV_MODULE_VERSION, sizeof(info->version));
 }
 
diff --git a/include/linux/stmmac.h b/include/linux/stmmac.h
index 15ca6b4167cc..a302982de2d7 100644
--- a/include/linux/stmmac.h
+++ b/include/linux/stmmac.h
@@ -202,5 +202,6 @@ struct plat_stmmacenet_data {
 	bool vlan_fail_q_en;
 	u8 vlan_fail_q;
 	unsigned int eee_usecs_rate;
+	struct pci_dev *pdev;
 };
 #endif
-- 
2.17.0