[dpdk-dev] [PATCH v8 3/5] net/ixgbe: add firmware version get

Qiming Yang qiming.yang at intel.com
Thu Jan 12 07:31:54 CET 2017


This patch adds a new function ixgbe_fw_version_get.

Signed-off-by: Qiming Yang <qiming.yang at intel.com>
Acked-by: Remy Horton <remy.horton at intel.com>
---
 doc/guides/nics/features/ixgbe.ini |  1 +
 drivers/net/ixgbe/ixgbe_ethdev.c   | 26 ++++++++++++++++++++++++++
 2 files changed, 27 insertions(+)

diff --git a/doc/guides/nics/features/ixgbe.ini b/doc/guides/nics/features/ixgbe.ini
index 4a5667f..e7104c2 100644
--- a/doc/guides/nics/features/ixgbe.ini
+++ b/doc/guides/nics/features/ixgbe.ini
@@ -43,6 +43,7 @@ Timesync             = Y
 Basic stats          = Y
 Extended stats       = Y
 Stats per queue      = Y
+FW version           = Y
 EEPROM dump          = Y
 Registers dump       = Y
 Multiprocess aware   = Y
diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c b/drivers/net/ixgbe/ixgbe_ethdev.c
index b7ddd4f..2363eb4 100644
--- a/drivers/net/ixgbe/ixgbe_ethdev.c
+++ b/drivers/net/ixgbe/ixgbe_ethdev.c
@@ -163,6 +163,7 @@ enum ixgbevf_xcast_modes {
 #define IXGBE_EXVET_VET_EXT_SHIFT              16
 #define IXGBE_DMATXCTL_VT_MASK                 0xFFFF0000
 
+#define IXGBE_MIN_FW_VERSION_SIZE              11
 static int eth_ixgbe_dev_init(struct rte_eth_dev *eth_dev);
 static int eth_ixgbe_dev_uninit(struct rte_eth_dev *eth_dev);
 static int  ixgbe_dev_configure(struct rte_eth_dev *dev);
@@ -193,6 +194,8 @@ static int ixgbe_dev_queue_stats_mapping_set(struct rte_eth_dev *eth_dev,
 					     uint16_t queue_id,
 					     uint8_t stat_idx,
 					     uint8_t is_rx);
+static int ixgbe_fw_version_get(struct rte_eth_dev *dev, char *fw_version,
+				 size_t fw_size);
 static void ixgbe_dev_info_get(struct rte_eth_dev *dev,
 			       struct rte_eth_dev_info *dev_info);
 static const uint32_t *ixgbe_dev_supported_ptypes_get(struct rte_eth_dev *dev);
@@ -532,6 +535,7 @@ static const struct eth_dev_ops ixgbe_eth_dev_ops = {
 	.xstats_reset         = ixgbe_dev_xstats_reset,
 	.xstats_get_names     = ixgbe_dev_xstats_get_names,
 	.queue_stats_mapping_set = ixgbe_dev_queue_stats_mapping_set,
+	.fw_version_get       = ixgbe_fw_version_get,
 	.dev_infos_get        = ixgbe_dev_info_get,
 	.dev_supported_ptypes_get = ixgbe_dev_supported_ptypes_get,
 	.mtu_set              = ixgbe_dev_mtu_set,
@@ -3022,6 +3026,28 @@ ixgbevf_dev_stats_reset(struct rte_eth_dev *dev)
 	hw_stats->vfgotc = 0;
 }
 
+static int
+ixgbe_fw_version_get(struct rte_eth_dev *dev, char *fw_version, size_t fw_size)
+{
+	struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+	u16 eeprom_verh, eeprom_verl;
+	u32 etrack_id;
+
+	if (fw_size < IXGBE_MIN_FW_VERSION_SIZE) {
+		PMD_DRV_LOG(WARNING, "Insufficient fw version buffer size");
+		return -EINVAL;
+	}
+
+	ixgbe_read_eeprom(hw, 0x2e, &eeprom_verh);
+	ixgbe_read_eeprom(hw, 0x2d, &eeprom_verl);
+
+	etrack_id = (eeprom_verh << 16) | eeprom_verl;
+	snprintf(fw_version, fw_size,
+		 "0x%08x", etrack_id);
+
+	return 0;
+}
+
 static void
 ixgbe_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
 {
-- 
2.7.4



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