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

From: Wong Vee Khee
Date: Wed Feb 17 2021 - 04:54:21 EST


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@xxxxxxxxx>
---
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