diff --git a/osbase/kmod/meta.go b/osbase/kmod/meta.go
index c005a7c..1c96c46 100644
--- a/osbase/kmod/meta.go
+++ b/osbase/kmod/meta.go
@@ -17,7 +17,7 @@
 	modInfoMap := make(map[string]ModuleInfo)
 	var meta kmodpb.Meta
 	meta.ModuleDeviceMatches = &kmodpb.RadixNode{
-		Type: kmodpb.RadixNode_ROOT,
+		Type: kmodpb.RadixNode_TYPE_ROOT,
 	}
 	var i uint32
 	for _, m := range modinfos {
diff --git a/osbase/kmod/radix.go b/osbase/kmod/radix.go
index c20b48d..1631d87 100644
--- a/osbase/kmod/radix.go
+++ b/osbase/kmod/radix.go
@@ -25,23 +25,23 @@
 func lookupModulesRec(n *kmodpb.RadixNode, needle string, matches map[uint32]bool) {
 	for _, c := range n.Children {
 		switch c.Type {
-		case kmodpb.RadixNode_LITERAL:
+		case kmodpb.RadixNode_TYPE_LITERAL:
 			if len(needle) < len(c.Literal) {
 				continue
 			}
 			if c.Literal == needle[:len(c.Literal)] {
 				lookupModulesRec(c, needle[len(c.Literal):], matches)
 			}
-		case kmodpb.RadixNode_WILDCARD:
+		case kmodpb.RadixNode_TYPE_WILDCARD:
 			for i := 0; i <= len(needle); i++ {
 				lookupModulesRec(c, needle[i:], matches)
 			}
-		case kmodpb.RadixNode_SINGLE_WILDCARD:
+		case kmodpb.RadixNode_TYPE_SINGLE_WILDCARD:
 			if len(needle) < 1 {
 				continue
 			}
 			lookupModulesRec(c, needle[1:], matches)
-		case kmodpb.RadixNode_BYTE_RANGE:
+		case kmodpb.RadixNode_TYPE_BYTE_RANGE:
 			if len(needle) < 1 {
 				continue
 			}
@@ -93,7 +93,7 @@
 			continue
 		}
 		switch c.Type {
-		case kmodpb.RadixNode_LITERAL:
+		case kmodpb.RadixNode_TYPE_LITERAL:
 			if c.Literal[0] == currPart.Literal[0] {
 				var i int
 				for i < len(c.Literal) && i < len(currPart.Literal) && c.Literal[i] == currPart.Literal[i] {
@@ -107,11 +107,11 @@
 					return addPatternRec(c, parts[1:], nil)
 				}
 				if i == len(c.Literal) {
-					return addPatternRec(c, parts, &kmodpb.RadixNode{Type: kmodpb.RadixNode_LITERAL, Literal: currPart.Literal[i:], ModuleIndex: currPart.ModuleIndex})
+					return addPatternRec(c, parts, &kmodpb.RadixNode{Type: kmodpb.RadixNode_TYPE_LITERAL, Literal: currPart.Literal[i:], ModuleIndex: currPart.ModuleIndex})
 				}
 				// Split current node
 				splitOldPart := &kmodpb.RadixNode{
-					Type:        kmodpb.RadixNode_LITERAL,
+					Type:        kmodpb.RadixNode_TYPE_LITERAL,
 					Literal:     c.Literal[i:],
 					Children:    c.Children,
 					ModuleIndex: c.ModuleIndex,
@@ -129,7 +129,7 @@
 					parts = parts[1:]
 				} else {
 					splitNewPart = &kmodpb.RadixNode{
-						Type:        kmodpb.RadixNode_LITERAL,
+						Type:        kmodpb.RadixNode_TYPE_LITERAL,
 						Literal:     currPart.Literal[i:],
 						ModuleIndex: currPart.ModuleIndex,
 					}
@@ -143,14 +143,14 @@
 				return addPatternRec(splitNewPart, parts[1:], nil)
 			}
 
-		case kmodpb.RadixNode_BYTE_RANGE:
+		case kmodpb.RadixNode_TYPE_BYTE_RANGE:
 			if c.StartByte == currPart.StartByte && c.EndByte == currPart.EndByte {
 				if len(parts) == 1 {
 					c.ModuleIndex = append(c.ModuleIndex, parts[0].ModuleIndex...)
 				}
 				return addPatternRec(c, parts[1:], nil)
 			}
-		case kmodpb.RadixNode_SINGLE_WILDCARD, kmodpb.RadixNode_WILDCARD:
+		case kmodpb.RadixNode_TYPE_SINGLE_WILDCARD, kmodpb.RadixNode_TYPE_WILDCARD:
 			if len(parts) == 1 {
 				c.ModuleIndex = append(c.ModuleIndex, parts[0].ModuleIndex...)
 			}
@@ -179,13 +179,13 @@
 		fmt.Printf("%v ", r.ModuleIndex)
 	}
 	switch r.Type {
-	case kmodpb.RadixNode_LITERAL:
+	case kmodpb.RadixNode_TYPE_LITERAL:
 		fmt.Printf("%q: ", r.Literal)
-	case kmodpb.RadixNode_SINGLE_WILDCARD:
+	case kmodpb.RadixNode_TYPE_SINGLE_WILDCARD:
 		fmt.Printf("?: ")
-	case kmodpb.RadixNode_WILDCARD:
+	case kmodpb.RadixNode_TYPE_WILDCARD:
 		fmt.Printf("*: ")
-	case kmodpb.RadixNode_BYTE_RANGE:
+	case kmodpb.RadixNode_TYPE_BYTE_RANGE:
 		fmt.Printf("[%c-%c]: ", rune(r.StartByte), rune(r.EndByte))
 	default:
 		log.Fatalf("Unknown tree type %T\n", r)
@@ -210,7 +210,7 @@
 	storeCurrentLiteral := func() {
 		if currentLiteral.Len() > 0 {
 			out = append(out, &kmodpb.RadixNode{
-				Type:    kmodpb.RadixNode_LITERAL,
+				Type:    kmodpb.RadixNode_TYPE_LITERAL,
 				Literal: currentLiteral.String(),
 			})
 			currentLiteral.Reset()
@@ -221,16 +221,16 @@
 		case '*':
 			storeCurrentLiteral()
 			i += 1
-			if len(out) > 0 && out[len(out)-1].Type == kmodpb.RadixNode_WILDCARD {
+			if len(out) > 0 && out[len(out)-1].Type == kmodpb.RadixNode_TYPE_WILDCARD {
 				continue
 			}
 			out = append(out, &kmodpb.RadixNode{
-				Type: kmodpb.RadixNode_WILDCARD,
+				Type: kmodpb.RadixNode_TYPE_WILDCARD,
 			})
 		case '?':
 			storeCurrentLiteral()
 			out = append(out, &kmodpb.RadixNode{
-				Type: kmodpb.RadixNode_SINGLE_WILDCARD,
+				Type: kmodpb.RadixNode_TYPE_SINGLE_WILDCARD,
 			})
 			i += 1
 		case '[':
@@ -242,7 +242,7 @@
 				return nil, errors.New("illegal byte range notation, incorrect dash or closing character")
 			}
 			nn := &kmodpb.RadixNode{
-				Type:      kmodpb.RadixNode_BYTE_RANGE,
+				Type:      kmodpb.RadixNode_TYPE_BYTE_RANGE,
 				StartByte: uint32(pattern[i+1]),
 				EndByte:   uint32(pattern[i+3]),
 			}
diff --git a/osbase/kmod/radix_test.go b/osbase/kmod/radix_test.go
index 62e9d95..e89a514 100644
--- a/osbase/kmod/radix_test.go
+++ b/osbase/kmod/radix_test.go
@@ -20,18 +20,18 @@
 		expectedNodes []*kmodpb.RadixNode
 	}{
 		{"Empty", "", nil},
-		{"SingleLiteral", "asdf", []*kmodpb.RadixNode{{Type: kmodpb.RadixNode_LITERAL, Literal: "asdf"}}},
+		{"SingleLiteral", "asdf", []*kmodpb.RadixNode{{Type: kmodpb.RadixNode_TYPE_LITERAL, Literal: "asdf"}}},
 		{"SingleWildcard", "as*df", []*kmodpb.RadixNode{
-			{Type: kmodpb.RadixNode_LITERAL, Literal: "as"},
-			{Type: kmodpb.RadixNode_WILDCARD},
-			{Type: kmodpb.RadixNode_LITERAL, Literal: "df"},
+			{Type: kmodpb.RadixNode_TYPE_LITERAL, Literal: "as"},
+			{Type: kmodpb.RadixNode_TYPE_WILDCARD},
+			{Type: kmodpb.RadixNode_TYPE_LITERAL, Literal: "df"},
 		}},
-		{"EscapedWildcard", "a\\*", []*kmodpb.RadixNode{{Type: kmodpb.RadixNode_LITERAL, Literal: "a*"}}},
-		{"SingleRange", "[y-z]", []*kmodpb.RadixNode{{Type: kmodpb.RadixNode_BYTE_RANGE, StartByte: 121, EndByte: 122}}},
+		{"EscapedWildcard", "a\\*", []*kmodpb.RadixNode{{Type: kmodpb.RadixNode_TYPE_LITERAL, Literal: "a*"}}},
+		{"SingleRange", "[y-z]", []*kmodpb.RadixNode{{Type: kmodpb.RadixNode_TYPE_BYTE_RANGE, StartByte: 121, EndByte: 122}}},
 		{"SingleWildcardChar", "a?c", []*kmodpb.RadixNode{
-			{Type: kmodpb.RadixNode_LITERAL, Literal: "a"},
-			{Type: kmodpb.RadixNode_SINGLE_WILDCARD},
-			{Type: kmodpb.RadixNode_LITERAL, Literal: "c"},
+			{Type: kmodpb.RadixNode_TYPE_LITERAL, Literal: "a"},
+			{Type: kmodpb.RadixNode_TYPE_SINGLE_WILDCARD},
+			{Type: kmodpb.RadixNode_TYPE_LITERAL, Literal: "c"},
 		}},
 	}
 	for _, c := range cases {
@@ -50,7 +50,7 @@
 
 func TestLookupComplex(t *testing.T) {
 	root := &kmodpb.RadixNode{
-		Type: kmodpb.RadixNode_LITERAL,
+		Type: kmodpb.RadixNode_TYPE_LITERAL,
 	}
 	if err := AddPattern(root, "usb:v0B95p1790d*dc*dsc*dp*icFFiscFFip00in*", 2); err != nil {
 		t.Error(err)
@@ -84,7 +84,7 @@
 		values := strings.Split(b, "\x00")
 		var patternsRegexp []regexp.Regexp
 		root := &kmodpb.RadixNode{
-			Type: kmodpb.RadixNode_LITERAL,
+			Type: kmodpb.RadixNode_TYPE_LITERAL,
 		}
 		for i, p := range patternsRaw {
 			if !isASCII(p) {
@@ -103,13 +103,13 @@
 			regexb.WriteString("(?s)^")
 			for _, part := range pp {
 				switch part.Type {
-				case kmodpb.RadixNode_LITERAL:
+				case kmodpb.RadixNode_TYPE_LITERAL:
 					regexb.WriteString(regexp.QuoteMeta(part.Literal))
-				case kmodpb.RadixNode_SINGLE_WILDCARD:
+				case kmodpb.RadixNode_TYPE_SINGLE_WILDCARD:
 					regexb.WriteString(".")
-				case kmodpb.RadixNode_WILDCARD:
+				case kmodpb.RadixNode_TYPE_WILDCARD:
 					regexb.WriteString(".*")
-				case kmodpb.RadixNode_BYTE_RANGE:
+				case kmodpb.RadixNode_TYPE_BYTE_RANGE:
 					regexb.WriteString(fmt.Sprintf("[%s-%s]", regexp.QuoteMeta(string([]rune{rune(part.StartByte)})), regexp.QuoteMeta(string([]rune{rune(part.EndByte)}))))
 				default:
 					t.Errorf("Unknown node type %v", part.Type)
diff --git a/osbase/kmod/spec/BUILD.bazel b/osbase/kmod/spec/BUILD.bazel
index 5ff430e..8994546 100644
--- a/osbase/kmod/spec/BUILD.bazel
+++ b/osbase/kmod/spec/BUILD.bazel
@@ -7,7 +7,6 @@
     name = "spec_proto_lint_test",
     except_rules = [
         "PACKAGE_VERSION_SUFFIX",
-        "ENUM_VALUE_PREFIX",  # TODO: evaluate correctness
         "ENUM_ZERO_VALUE_SUFFIX",  # TODO: evaluate correctness
     ],
     protos = [":spec_proto"],
diff --git a/osbase/kmod/spec/meta.proto b/osbase/kmod/spec/meta.proto
index 2eb5c7a..634b2ad 100644
--- a/osbase/kmod/spec/meta.proto
+++ b/osbase/kmod/spec/meta.proto
@@ -18,16 +18,16 @@
 message RadixNode {
     enum Type {
         // Matches one or more characters literally.
-        LITERAL = 0;
+        TYPE_LITERAL = 0;
         // Matches zero or more arbitrary characters.
-        WILDCARD = 1;
+        TYPE_WILDCARD = 1;
         // Matches exactly one arbitrary character.
-        SINGLE_WILDCARD = 2;
+        TYPE_SINGLE_WILDCARD = 2;
         // Matches exactly one character between start_byte and end_byte.
-        BYTE_RANGE = 3;
+        TYPE_BYTE_RANGE = 3;
         // Root matches nothing, but serves a the root node for a radix
         // tree.
-        ROOT = 4;
+        TYPE_ROOT = 4;
     }
     Type type = 1;