rename bufferv2 to buffer

The old buffer has been dead for a while. We use type aliases so we can switch
package names in smaller CLs.

PiperOrigin-RevId: 537125110

.buildkite/pipeline.yaml

@@ -58,7 +58,7 @@ _templates:
         ./pkg/tcpip/transport/icmp
         ./pkg/tcpip/transport/tcp
         ./pkg/tcpip/transport/udp
-        ./pkg/bufferv2
+        ./pkg/buffer
         ./pkg/waiter
 env:
   # Force a clean checkout every time to avoid reuse of files between runs.

pkg/buffer/BUILD

@@ -0,0 +1,69 @@
+load("//tools:defs.bzl", "go_library", "go_test")
+load("//tools/go_generics:defs.bzl", "go_template_instance")
+
+package(
+    default_applicable_licenses = ["//:license"],
+    licenses = ["notice"],
+)
+
+go_template_instance(
+    name = "chunk_refs",
+    out = "chunk_refs.go",
+    package = "buffer",
+    prefix = "chunk",
+    template = "//pkg/refs:refs_template",
+    types = {
+        "T": "chunk",
+    },
+)
+
+go_template_instance(
+    name = "view_list",
+    out = "view_list.go",
+    package = "buffer",
+    prefix = "view",
+    template = "//pkg/ilist:generic_list",
+    types = {
+        "Element": "*View",
+        "Linker": "*View",
+    },
+)
+
+go_library(
+    name = "buffer",
+    srcs = [
+        "buffer.go",
+        "buffer_state.go",
+        "chunk.go",
+        "chunk_refs.go",
+        "view.go",
+        "view_list.go",
+        "view_unsafe.go",
+    ],
+    visibility = ["//visibility:public"],
+    deps = [
+        "//pkg/atomicbitops",
+        "//pkg/bits",
+        "//pkg/context",
+        "//pkg/ilist",
+        "//pkg/log",
+        "//pkg/pool",
+        "//pkg/refs",
+        "//pkg/sync",
+        "//pkg/tcpip/checksum",
+    ],
+)
+
+go_test(
+    name = "buffer_test",
+    srcs = [
+        "buffer_test.go",
+        "view_test.go",
+    ],
+    library = ":buffer",
+    deps = [
+        "//pkg/state",
+        "//pkg/tcpip/checksum",
+        "@com_github_google_go_cmp//cmp:go_default_library",
+    ],
+)

pkg/buffer/buffer_state.go

@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package bufferv2
+package buffer
 
 // saveData is invoked by stateify.
 func (b *Buffer) saveData() []byte {

pkg/buffer/buffer_test.go

@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package bufferv2
+package buffer
 
 import (
 	"bytes"

pkg/buffer/chunk.go

@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package bufferv2
+package buffer
 
 import (
 	"fmt"

pkg/buffer/view.go

@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package bufferv2
+package buffer
 
 import (
 	"fmt"

pkg/buffer/view_test.go

@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package bufferv2
+package buffer
 
 import (
 	"bytes"

pkg/buffer/view_unsafe.go

@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package bufferv2
+package buffer
 
 import (
 	"reflect"

pkg/bufferv2/BUILD

@@ -1,69 +1,17 @@
-load("//tools:defs.bzl", "go_library", "go_test")
-load("//tools/go_generics:defs.bzl", "go_template_instance")
+load("//tools:defs.bzl", "go_library")
 
 package(
     default_applicable_licenses = ["//:license"],
     licenses = ["notice"],
 )
 
-go_template_instance(
-    name = "chunk_refs",
-    out = "chunk_refs.go",
-    package = "bufferv2",
-    prefix = "chunk",
-    template = "//pkg/refs:refs_template",
-    types = {
-        "T": "chunk",
-    },
-)
-
-go_template_instance(
-    name = "view_list",
-    out = "view_list.go",
-    package = "bufferv2",
-    prefix = "view",
-    template = "//pkg/ilist:generic_list",
-    types = {
-        "Element": "*View",
-        "Linker": "*View",
-    },
-)
-
 go_library(
     name = "bufferv2",
     srcs = [
         "buffer.go",
-        "buffer_state.go",
-        "chunk.go",
-        "chunk_refs.go",
-        "view.go",
-        "view_list.go",
-        "view_unsafe.go",
     ],
     visibility = ["//visibility:public"],
     deps = [
-        "//pkg/atomicbitops",
-        "//pkg/bits",
-        "//pkg/context",
-        "//pkg/ilist",
-        "//pkg/log",
-        "//pkg/pool",
-        "//pkg/refs",
-        "//pkg/sync",
-        "//pkg/tcpip/checksum",
-    ],
-)
-
-go_test(
-    name = "bufferv2_test",
-    srcs = [
-        "buffer_test.go",
-        "view_test.go",
-    ],
-    library = ":bufferv2",
-    deps = [
-        "//pkg/state",
-        "//pkg/tcpip/checksum",
-        "@com_github_google_go_cmp//cmp:go_default_library",
+        "//pkg/buffer",
     ],
 )

pkg/tcpip/BUILD

@@ -53,6 +53,7 @@ deps_test(
         "//pkg/atomicbitops",
         "//pkg/bits",
         "//pkg/context",
+        "//pkg/buffer",
         "//pkg/bufferv2",
         "//pkg/cpuid",
         "//pkg/gohacks",