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From: Wenzhuo Lu <wenzhuo.lu@intel.com>
To: dev@dpdk.org
Cc: Wenzhuo Lu <wenzhuo.lu@intel.com>,
Wei Zhao <wei.zhao1@intel.com>
Date: Fri, 23 Nov 2018 14:56:13 +0800
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Subject: [dpdk-dev] [PATCH 13/19] net/ice: support EEPROM information getting
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Add below ops,
get_eeprom_length
get_eeprom
Signed-off-by: Wei Zhao <wei.zhao1@intel.com>
Signed-off-by: Wenzhuo Lu <wenzhuo.lu@intel.com>
---
drivers/net/ice/ice_ethdev.c | 45 ++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 45 insertions(+)
diff --git a/drivers/net/ice/ice_ethdev.c b/drivers/net/ice/ice_ethdev.c
index 2d5e73d..e54088e 100644
--- a/drivers/net/ice/ice_ethdev.c
+++ b/drivers/net/ice/ice_ethdev.c
@@ -56,6 +56,9 @@ static int ice_fw_version_get(struct rte_eth_dev *dev, char *fw_version,
size_t fw_size);
static int ice_vlan_pvid_set(struct rte_eth_dev *dev,
uint16_t pvid, int on);
+static int ice_get_eeprom_length(struct rte_eth_dev *dev);
+static int ice_get_eeprom(struct rte_eth_dev *dev,
+ struct rte_dev_eeprom_info *eeprom);
static const struct rte_pci_id pci_id_ice_map[] = {
{ RTE_PCI_DEVICE(ICE_INTEL_VENDOR_ID, ICE_DEV_ID_E810C_BACKPLANE) },
@@ -96,6 +99,8 @@ static int ice_vlan_pvid_set(struct rte_eth_dev *dev,
.rx_queue_intr_disable = ice_rx_queue_intr_disable,
.fw_version_get = ice_fw_version_get,
.vlan_pvid_set = ice_vlan_pvid_set,
+ .get_eeprom_length = ice_get_eeprom_length,
+ .get_eeprom = ice_get_eeprom,
};
static void
@@ -2661,3 +2666,43 @@ static int ice_rx_queue_intr_disable(struct rte_eth_dev *dev,
return 0;
}
+
+static int
+ice_get_eeprom_length(struct rte_eth_dev *dev)
+{
+ struct ice_hw *hw = ICE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+
+ /* Convert word count to byte count */
+ return hw->nvm.sr_words << 1;
+}
+
+static int
+ice_get_eeprom(struct rte_eth_dev *dev,
+ struct rte_dev_eeprom_info *eeprom)
+{
+ struct ice_hw *hw = ICE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+ uint16_t *data = eeprom->data;
+ uint16_t offset, length, i;
+ enum ice_status ret_code = ICE_SUCCESS;
+
+ offset = eeprom->offset >> 1;
+ length = eeprom->length >> 1;
+
+ if (offset > hw->nvm.sr_words ||
+ offset + length > hw->nvm.sr_words) {
+ PMD_DRV_LOG(ERR, "Requested EEPROM bytes out of range.");
+ return -EINVAL;
+ }
+
+ eeprom->magic = hw->vendor_id | (hw->device_id << 16);
+
+ for (i = 0; i < length; i++) {
+ ret_code = ice_read_sr_word(hw, offset + i, &data[i]);
+ if (ret_code != ICE_SUCCESS) {
+ PMD_DRV_LOG(ERR, "EEPROM read failed.");
+ return -EIO;
+ }
+ }
+
+ return 0;
+}
--
1.9.3