be2net: implements ethtool function to read eeprom data.

[net-next-2.6.git] / drivers / net / benet / be_ethtool.c

diff --git a/drivers/net/benet/be_ethtool.c b/drivers/net/benet/be_ethtool.c
index 298b92cbd68948e3d54893a7e8f11885bda7c01c..c5afc0286d4d15eba5e840302e6efef627ee3507 100644 (file)
--- a/drivers/net/benet/be_ethtool.c
+++ b/drivers/net/benet/be_ethtool.c
@@ -536,12 +536,57 @@ be_do_flash(struct net_device *netdev, struct ethtool_flash *efl)
        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,