[PATCH net-next 05/15] igc: Expose the NVM version
From: Tony Nguyen <anthony.l.nguyen@intel.com>
Date: 2021-02-04 00:45:33
Subsystem:
intel ethernet drivers, networking drivers, the rest · Maintainers:
Tony Nguyen, Przemek Kitszel, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
From: Sasha Neftin <redacted> Expose the NVM map version via drvinfo in ethtool NVM image version is reported as firmware version for i225 device Minor typo fix - remove space Signed-off-by: Sasha Neftin <redacted> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com> --- drivers/net/ethernet/intel/igc/igc.h | 2 ++ drivers/net/ethernet/intel/igc/igc_defines.h | 1 + drivers/net/ethernet/intel/igc/igc_ethtool.c | 16 ++++++++++++++-- 3 files changed, 17 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/intel/igc/igc.h b/drivers/net/ethernet/intel/igc/igc.h
index 35baae900c1f..2d8b1716a20c 100644
--- a/drivers/net/ethernet/intel/igc/igc.h
+++ b/drivers/net/ethernet/intel/igc/igc.h@@ -217,6 +217,8 @@ struct igc_adapter { struct timecounter tc; struct timespec64 prev_ptp_time; /* Pre-reset PTP clock */ ktime_t ptp_reset_start; /* Reset time in clock mono */ + + char fw_version[16]; }; void igc_up(struct igc_adapter *adapter);
diff --git a/drivers/net/ethernet/intel/igc/igc_defines.h b/drivers/net/ethernet/intel/igc/igc_defines.h
index 6cc958031fce..4b7251d0c4e1 100644
--- a/drivers/net/ethernet/intel/igc/igc_defines.h
+++ b/drivers/net/ethernet/intel/igc/igc_defines.h@@ -160,6 +160,7 @@ #define IGC_NVM_RW_REG_START 1 /* Start operation */ #define IGC_NVM_RW_ADDR_SHIFT 2 /* Shift to the address bits */ #define IGC_NVM_POLL_READ 0 /* Flag for polling for read complete */ +#define IGC_NVM_DEV_STARTER 5 /* Dev_starter Version */ /* NVM Word Offsets */ #define NVM_CHECKSUM_REG 0x003F
diff --git a/drivers/net/ethernet/intel/igc/igc_ethtool.c b/drivers/net/ethernet/intel/igc/igc_ethtool.c
index 29da2710b500..7dd1ca7f3ed5 100644
--- a/drivers/net/ethernet/intel/igc/igc_ethtool.c
+++ b/drivers/net/ethernet/intel/igc/igc_ethtool.c@@ -129,10 +129,22 @@ static void igc_ethtool_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo) { struct igc_adapter *adapter = netdev_priv(netdev); + struct igc_hw *hw = &adapter->hw; + u16 nvm_version = 0; + + strscpy(drvinfo->driver, igc_driver_name, sizeof(drvinfo->driver)); + + /* NVM image version is reported as firmware version for i225 device */ + hw->nvm.ops.read(hw, IGC_NVM_DEV_STARTER, 1, &nvm_version); + + scnprintf(adapter->fw_version, + sizeof(adapter->fw_version), + "%x", + nvm_version); - strlcpy(drvinfo->driver, igc_driver_name, sizeof(drvinfo->driver)); + strscpy(drvinfo->fw_version, adapter->fw_version, + sizeof(drvinfo->fw_version)); - /* add fw_version here */ strlcpy(drvinfo->bus_info, pci_name(adapter->pdev), sizeof(drvinfo->bus_info));
--
2.26.2