be2net: implements ethtool function to read eeprom data.
The patch implements a firmware command to fetch the eeprom data.
Signed-off-by: Sarveshwar Bandi <sarveshwarb@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/benet/be_ethtool.c b/drivers/net/benet/be_ethtool.c
index 298b92c..c5afc02 100644
--- a/drivers/net/benet/be_ethtool.c
+++ b/drivers/net/benet/be_ethtool.c
@@ -536,12 +536,57 @@
return be_load_fw(adapter, file_name);
}
+static int
+be_get_eeprom_len(struct net_device *netdev)
+{
+ return BE_READ_SEEPROM_LEN;
+}
+
+static int
+be_read_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom,
+ uint8_t *data)
+{
+ struct be_adapter *adapter = netdev_priv(netdev);
+ struct be_dma_mem eeprom_cmd;
+ struct be_cmd_resp_seeprom_read *resp;
+ int status;
+
+ if (!eeprom->len)
+ return -EINVAL;
+
+ eeprom->magic = BE_VENDOR_ID | (adapter->pdev->device<<16);
+
+ memset(&eeprom_cmd, 0, sizeof(struct be_dma_mem));
+ eeprom_cmd.size = sizeof(struct be_cmd_req_seeprom_read);
+ eeprom_cmd.va = pci_alloc_consistent(adapter->pdev, eeprom_cmd.size,
+ &eeprom_cmd.dma);
+
+ if (!eeprom_cmd.va) {
+ dev_err(&adapter->pdev->dev,
+ "Memory allocation failure. Could not read eeprom\n");
+ return -ENOMEM;
+ }
+
+ status = be_cmd_get_seeprom_data(adapter, &eeprom_cmd);
+
+ if (!status) {
+ resp = (struct be_cmd_resp_seeprom_read *) eeprom_cmd.va;
+ memcpy(data, resp->seeprom_data, eeprom->len);
+ }
+ pci_free_consistent(adapter->pdev, eeprom_cmd.size, eeprom_cmd.va,
+ eeprom_cmd.dma);
+
+ return status;
+}
+
const struct ethtool_ops be_ethtool_ops = {
.get_settings = be_get_settings,
.get_drvinfo = be_get_drvinfo,
.get_wol = be_get_wol,
.set_wol = be_set_wol,
.get_link = ethtool_op_get_link,
+ .get_eeprom_len = be_get_eeprom_len,
+ .get_eeprom = be_read_eeprom,
.get_coalesce = be_get_coalesce,
.set_coalesce = be_set_coalesce,
.get_ringparam = be_get_ringparam,