sfc: Log the part number on probe
During probe of each port, read and log the part number from VPD.
Remove the Falcon-specific board name lookup.
Initial version by Stuart Hodgson <smhodgson@solarflare.com>.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
diff --git a/drivers/net/ethernet/sfc/efx.c b/drivers/net/ethernet/sfc/efx.c
index 7683e53..3cbfbff 100644
--- a/drivers/net/ethernet/sfc/efx.c
+++ b/drivers/net/ethernet/sfc/efx.c
@@ -2497,6 +2497,57 @@
free_netdev(efx->net_dev);
};
+/* NIC VPD information
+ * Called during probe to display the part number of the
+ * installed NIC. VPD is potentially very large but this should
+ * always appear within the first 512 bytes.
+ */
+#define SFC_VPD_LEN 512
+static void efx_print_product_vpd(struct efx_nic *efx)
+{
+ struct pci_dev *dev = efx->pci_dev;
+ char vpd_data[SFC_VPD_LEN];
+ ssize_t vpd_size;
+ int i, j;
+
+ /* Get the vpd data from the device */
+ vpd_size = pci_read_vpd(dev, 0, sizeof(vpd_data), vpd_data);
+ if (vpd_size <= 0) {
+ netif_err(efx, drv, efx->net_dev, "Unable to read VPD\n");
+ return;
+ }
+
+ /* Get the Read only section */
+ i = pci_vpd_find_tag(vpd_data, 0, vpd_size, PCI_VPD_LRDT_RO_DATA);
+ if (i < 0) {
+ netif_err(efx, drv, efx->net_dev, "VPD Read-only not found\n");
+ return;
+ }
+
+ j = pci_vpd_lrdt_size(&vpd_data[i]);
+ i += PCI_VPD_LRDT_TAG_SIZE;
+ if (i + j > vpd_size)
+ j = vpd_size - i;
+
+ /* Get the Part number */
+ i = pci_vpd_find_info_keyword(vpd_data, i, j, "PN");
+ if (i < 0) {
+ netif_err(efx, drv, efx->net_dev, "Part number not found\n");
+ return;
+ }
+
+ j = pci_vpd_info_field_size(&vpd_data[i]);
+ i += PCI_VPD_INFO_FLD_HDR_SIZE;
+ if (i + j > vpd_size) {
+ netif_err(efx, drv, efx->net_dev, "Incomplete part number\n");
+ return;
+ }
+
+ netif_info(efx, drv, efx->net_dev,
+ "Part Number : %.*s\n", j, &vpd_data[i]);
+}
+
+
/* Main body of NIC initialisation
* This is called at module load (or hotplug insertion, theoretically).
*/
@@ -2586,6 +2637,8 @@
netif_info(efx, probe, efx->net_dev,
"Solarflare NIC detected\n");
+ efx_print_product_vpd(efx);
+
/* Set up basic I/O (BAR mappings etc) */
rc = efx_init_io(efx);
if (rc)