qlcnic: Allow a predefined set of capture masks for FW dump

o 0x3, 0x7, 0xF, 0x1F, 0x3F, 0x7F and 0xFF are the allowed capture masks.
o Updated driver version to 5.0.28
Signed-off-by: Manish chopra <manish.chopra@qlogic.com>
Signed-off-by: Anirban Chakraborty <anirban.chakraborty@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/qlogic/qlcnic/qlcnic.h

@@ -36,8 +36,8 @@
 
 #define _QLCNIC_LINUX_MAJOR 5
 #define _QLCNIC_LINUX_MINOR 0
-#define _QLCNIC_LINUX_SUBVERSION 27
-#define QLCNIC_LINUX_VERSIONID  "5.0.27"
+#define _QLCNIC_LINUX_SUBVERSION 28
+#define QLCNIC_LINUX_VERSIONID  "5.0.28"
 #define QLCNIC_DRV_IDC_VER  0x01
 #define QLCNIC_DRIVER_VERSION  ((_QLCNIC_LINUX_MAJOR << 16) |\
 		 (_QLCNIC_LINUX_MINOR << 8) | (_QLCNIC_LINUX_SUBVERSION))

drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c

@@ -1278,7 +1278,7 @@ qlcnic_get_dump_data(struct net_device *netdev, struct ethtool_dump *dump,
 static int
 qlcnic_set_dump(struct net_device *netdev, struct ethtool_dump *val)
 {
-	int ret = 0;
+	int i;
 	struct qlcnic_adapter *adapter = netdev_priv(netdev);
 	struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump;
 	u32 state;
@@ -1291,12 +1291,12 @@ qlcnic_set_dump(struct net_device *netdev, struct ethtool_dump *val)
 		}
 		if (!fw_dump->enable) {
 			netdev_info(netdev, "FW dump not enabled\n");
-			return ret;
+			return 0;
 		}
 		if (fw_dump->clr) {
 			netdev_info(netdev,
 			"Previous dump not cleared, not forcing dump\n");
-			return ret;
+			return 0;
 		}
 		netdev_info(netdev, "Forcing a FW dump\n");
 		qlcnic_dev_request_reset(adapter);
@@ -1306,7 +1306,7 @@ qlcnic_set_dump(struct net_device *netdev, struct ethtool_dump *val)
 			netdev_info(netdev, "Disabling FW dump\n");
 			fw_dump->enable = 0;
 		}
-		return ret;
+		return 0;
 	case QLCNIC_ENABLE_FW_DUMP:
 		if (!fw_dump->tmpl_hdr) {
 			netdev_err(netdev, "FW dump not supported\n");
@@ -1316,34 +1316,36 @@ qlcnic_set_dump(struct net_device *netdev, struct ethtool_dump *val)
 			netdev_info(netdev, "Enabling FW dump\n");
 			fw_dump->enable = 1;
 		}
-		return ret;
+		return 0;
 	case QLCNIC_FORCE_FW_RESET:
 		netdev_info(netdev, "Forcing a FW reset\n");
 		qlcnic_dev_request_reset(adapter);
 		adapter->flags &= ~QLCNIC_FW_RESET_OWNER;
-		return ret;
+		return 0;
 	case QLCNIC_SET_QUIESCENT:
 	case QLCNIC_RESET_QUIESCENT:
 		state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
 		if (state == QLCNIC_DEV_FAILED || (state == QLCNIC_DEV_BADBAD))
 			netdev_info(netdev, "Device in FAILED state\n");
-		return ret;
+		return 0;
 	default:
 		if (!fw_dump->tmpl_hdr) {
 			netdev_err(netdev, "FW dump not supported\n");
 			return -ENOTSUPP;
 		}
-		if (val->flag > QLCNIC_DUMP_MASK_MAX ||
-			val->flag < QLCNIC_DUMP_MASK_MIN) {
-				netdev_info(netdev,
-				"Invalid dump level: 0x%x\n", val->flag);
-				return -EINVAL;
-		}
-		fw_dump->tmpl_hdr->drv_cap_mask = val->flag & 0xff;
+		for (i = 0; i < ARRAY_SIZE(FW_DUMP_LEVELS); i++) {
+			if (val->flag == FW_DUMP_LEVELS[i]) {
+				fw_dump->tmpl_hdr->drv_cap_mask =
+							val->flag;
 				netdev_info(netdev, "Driver mask changed to: 0x%x\n",
 					fw_dump->tmpl_hdr->drv_cap_mask);
+				return 0;
 			}
-	return ret;
+		}
+		netdev_info(netdev, "Invalid dump level: 0x%x\n", val->flag);
+		return -EINVAL;
+	}
+	return 0;
 }
 
 const struct ethtool_ops qlcnic_ethtool_ops = {

drivers/net/ethernet/qlogic/qlcnic/qlcnic_hdr.h

@@ -778,6 +778,10 @@ struct qlcnic_legacy_intr_set {
 #define FLASH_ROM_WINDOW	0x42110030
 #define FLASH_ROM_DATA		0x42150000
 
+
+static const u32 FW_DUMP_LEVELS[] = {
+	0x3, 0x7, 0xf, 0x1f, 0x3f, 0x7f, 0xff };
+
 static const u32 MIU_TEST_READ_DATA[] = {
 	0x410000A8, 0x410000AC, 0x410000B8, 0x410000BC, };