2 files changed, 63 insertions, 53 deletions

diff --git a/drivers/net/ethernet/pensando/ionic/ionic_ethtool.c b/drivers/net/ethernet/pensando/ionic/ionic_ethtool.c
index a2d4336d2766..92f30ff2d631 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_ethtool.c
+++ b/drivers/net/ethernet/pensando/ionic/ionic_ethtool.c
@@ -948,64 +948,20 @@ static int ionic_get_tunable(struct net_device *netdev,
 	return 0;
 }
 
-static int ionic_get_module_info(struct net_device *netdev,
-				 struct ethtool_modinfo *modinfo)
-
-{
-	struct ionic_lif *lif = netdev_priv(netdev);
-	struct ionic_dev *idev = &lif->ionic->idev;
-	struct ionic_xcvr_status *xcvr;
-	struct sfp_eeprom_base *sfp;
-
-	xcvr = &idev->port_info->status.xcvr;
-	sfp = (struct sfp_eeprom_base *) xcvr->sprom;
-
-	/* report the module data type and length */
-	switch (sfp->phys_id) {
-	case SFF8024_ID_SFP:
-		modinfo->type = ETH_MODULE_SFF_8079;
-		modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN;
-		break;
-	case SFF8024_ID_QSFP_8436_8636:
-	case SFF8024_ID_QSFP28_8636:
-	case SFF8024_ID_QSFP_PLUS_CMIS:
-		modinfo->type = ETH_MODULE_SFF_8436;
-		modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN;
-		break;
-	default:
-		netdev_info(netdev, "unknown xcvr type 0x%02x\n",
-			    xcvr->sprom[0]);
-		modinfo->type = 0;
-		modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN;
-		break;
-	}
-
-	return 0;
-}
-
-static int ionic_get_module_eeprom(struct net_device *netdev,
-				   struct ethtool_eeprom *ee,
-				   u8 *data)
+static int ionic_do_module_copy(u8 *dst, u8 *src, u32 len)
 {
-	struct ionic_lif *lif = netdev_priv(netdev);
-	struct ionic_dev *idev = &lif->ionic->idev;
-	struct ionic_xcvr_status *xcvr;
-	char tbuf[sizeof(xcvr->sprom)];
+	char tbuf[sizeof_field(struct ionic_xcvr_status, sprom)];
 	int count = 10;
-	u32 len;
 
 	/* The NIC keeps the module prom up-to-date in the DMA space
 	 * so we can simply copy the module bytes into the data buffer.
 	 */
-	xcvr = &idev->port_info->status.xcvr;
-	len = min_t(u32, sizeof(xcvr->sprom), ee->len);
-
 	do {
-		memcpy(data, &xcvr->sprom[ee->offset], len);
-		memcpy(tbuf, &xcvr->sprom[ee->offset], len);
+		memcpy(dst, src, len);
+		memcpy(tbuf, src, len);
 
 		/* Let's make sure we got a consistent copy */
-		if (!memcmp(data, tbuf, len))
+		if (!memcmp(dst, tbuf, len))
 			break;
 
 	} while (--count);
@@ -1016,6 +972,48 @@ static int ionic_get_module_eeprom(struct net_device *netdev,
 	return 0;
 }
 
+static int ionic_get_module_eeprom_by_page(struct net_device *netdev,
+					   const struct ethtool_module_eeprom *page_data,
+					   struct netlink_ext_ack *extack)
+{
+	struct ionic_lif *lif = netdev_priv(netdev);
+	struct ionic_dev *idev = &lif->ionic->idev;
+	u32 err = -EINVAL;
+	u8 *src;
+
+	if (!page_data->length)
+		return -EINVAL;
+
+	if (page_data->bank != 0) {
+		NL_SET_ERR_MSG_MOD(extack, "Only bank 0 is supported");
+		return -EINVAL;
+	}
+
+	switch (page_data->page) {
+	case 0:
+		src = &idev->port_info->status.xcvr.sprom[page_data->offset];
+		break;
+	case 1:
+		src = &idev->port_info->sprom_page1[page_data->offset - 128];
+		break;
+	case 2:
+		src = &idev->port_info->sprom_page2[page_data->offset - 128];
+		break;
+	case 17:
+		src = &idev->port_info->sprom_page17[page_data->offset - 128];
+		break;
+	default:
+		return -EOPNOTSUPP;
+	}
+
+	memset(page_data->data, 0, page_data->length);
+	err = ionic_do_module_copy(page_data->data, src, page_data->length);
+	if (err)
+		return err;
+
+	return page_data->length;
+}
+
 static int ionic_get_ts_info(struct net_device *netdev,
 			     struct kernel_ethtool_ts_info *info)
 {
@@ -1161,8 +1159,7 @@ static const struct ethtool_ops ionic_ethtool_ops = {
 	.set_rxfh		= ionic_set_rxfh,
 	.get_tunable		= ionic_get_tunable,
 	.set_tunable		= ionic_set_tunable,
-	.get_module_info	= ionic_get_module_info,
-	.get_module_eeprom	= ionic_get_module_eeprom,
+	.get_module_eeprom_by_page	= ionic_get_module_eeprom_by_page,
 	.get_pauseparam		= ionic_get_pauseparam,
 	.set_pauseparam		= ionic_set_pauseparam,
 	.get_fecparam		= ionic_get_fecparam,
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_if.h b/drivers/net/ethernet/pensando/ionic/ionic_if.h
index 830c8adbfbee..f1ddbe9994a3 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_if.h
+++ b/drivers/net/ethernet/pensando/ionic/ionic_if.h
@@ -2839,6 +2839,10 @@ union ionic_port_identity {
  * @status:          Port status data
  * @stats:           Port statistics data
  * @mgmt_stats:      Port management statistics data
+ * @sprom_epage:     Extended Transceiver sprom
+ * @sprom_page1:     Extended Transceiver sprom, page 1
+ * @sprom_page2:     Extended Transceiver sprom, page 2
+ * @sprom_page17:    Extended Transceiver sprom, page 17
  * @rsvd:            reserved byte(s)
  * @pb_stats:        uplink pb drop stats
  */
@@ -2849,8 +2853,17 @@ struct ionic_port_info {
 		struct ionic_port_stats      stats;
 		struct ionic_mgmt_port_stats mgmt_stats;
 	};
-	/* room for pb_stats to start at 2k offset */
-	u8                          rsvd[760];
+	union {
+		u8     sprom_epage[384];
+		struct {
+			u8 sprom_page1[128];
+			u8 sprom_page2[128];
+			u8 sprom_page17[128];
+		};
+	};
+	u8     rsvd[376];
+
+	/* pb_stats must start at 2k offset */
 	struct ionic_port_pb_stats  pb_stats;
 };