[dpdk-dev] [PATCH v4 49/58] net/txgbe: add FW version get operation

[Jiawen Wu <jiawenwu@trustnetic.com>]

Add firmware version get operation.

Signed-off-by: Jiawen Wu <jiawenwu@trustnetic.com>
---
 doc/guides/nics/features/txgbe.ini |  1 +
 doc/guides/nics/txgbe.rst          |  1 +
 drivers/net/txgbe/txgbe_ethdev.c   | 22 ++++++++++++++++++++++
 3 files changed, 24 insertions(+)

diff --git a/doc/guides/nics/features/txgbe.ini b/doc/guides/nics/features/txgbe.ini
index 13ee26aaa..762adc8f4 100644
--- a/doc/guides/nics/features/txgbe.ini
+++ b/doc/guides/nics/features/txgbe.ini
@@ -38,6 +38,7 @@ Packet type parsing  = Y
 Basic stats          = Y
 Extended stats       = Y
 Stats per queue      = Y
+FW version           = Y
 Multiprocess aware   = Y
 Linux UIO            = Y
 Linux VFIO           = Y
diff --git a/doc/guides/nics/txgbe.rst b/doc/guides/nics/txgbe.rst
index 16f786cc4..7865b87aa 100644
--- a/doc/guides/nics/txgbe.rst
+++ b/doc/guides/nics/txgbe.rst
@@ -26,6 +26,7 @@ Features
 - Interrupt mode for RX
 - Scattered and gather for TX and RX
 - DCB
+- FW version
 - LRO
 
 Prerequisites
diff --git a/drivers/net/txgbe/txgbe_ethdev.c b/drivers/net/txgbe/txgbe_ethdev.c
index 5b0a5e7e7..79d7d725f 100644
--- a/drivers/net/txgbe/txgbe_ethdev.c
+++ b/drivers/net/txgbe/txgbe_ethdev.c
@@ -2224,6 +2224,27 @@ txgbe_dev_xstats_reset(struct rte_eth_dev *dev)
 	return 0;
 }
 
+static int
+txgbe_fw_version_get(struct rte_eth_dev *dev, char *fw_version, size_t fw_size)
+{
+	struct txgbe_hw *hw = TXGBE_DEV_HW(dev);
+	u16 eeprom_verh, eeprom_verl;
+	u32 etrack_id;
+	int ret;
+
+	hw->rom.readw_sw(hw, TXGBE_EEPROM_VERSION_H, &eeprom_verh);
+	hw->rom.readw_sw(hw, TXGBE_EEPROM_VERSION_L, &eeprom_verl);
+
+	etrack_id = (eeprom_verh << 16) | eeprom_verl;
+	ret = snprintf(fw_version, fw_size, "0x%08x", etrack_id);
+
+	ret += 1; /* add the size of '\0' */
+	if (fw_size < (u32)ret)
+		return ret;
+	else
+		return 0;
+}
+
 static int
 txgbe_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
 {
@@ -3426,6 +3447,7 @@ static const struct eth_dev_ops txgbe_eth_dev_ops = {
 	.xstats_get_names           = txgbe_dev_xstats_get_names,
 	.xstats_get_names_by_id     = txgbe_dev_xstats_get_names_by_id,
 	.queue_stats_mapping_set    = txgbe_dev_queue_stats_mapping_set,
+	.fw_version_get             = txgbe_fw_version_get,
 	.dev_supported_ptypes_get   = txgbe_dev_supported_ptypes_get,
 	.mtu_set                    = txgbe_dev_mtu_set,
 	.vlan_filter_set            = txgbe_vlan_filter_set,
-- 
2.18.4