More interfaces for grpc_socket_mutator
diff --git a/BUILD b/BUILD
index bad6f3f..9d9cd49 100644
--- a/BUILD
+++ b/BUILD
@@ -206,6 +206,7 @@
     "src/core/lib/iomgr/sockaddr_posix.h",
     "src/core/lib/iomgr/sockaddr_utils.h",
     "src/core/lib/iomgr/sockaddr_windows.h",
+    "src/core/lib/iomgr/socket_mutator.h",
     "src/core/lib/iomgr/socket_utils_posix.h",
     "src/core/lib/iomgr/socket_windows.h",
     "src/core/lib/iomgr/tcp_client.h",
@@ -363,6 +364,7 @@
     "src/core/lib/iomgr/resolve_address_posix.c",
     "src/core/lib/iomgr/resolve_address_windows.c",
     "src/core/lib/iomgr/sockaddr_utils.c",
+    "src/core/lib/iomgr/socket_mutator.c",
     "src/core/lib/iomgr/socket_utils_common_posix.c",
     "src/core/lib/iomgr/socket_utils_linux.c",
     "src/core/lib/iomgr/socket_utils_posix.c",
@@ -607,6 +609,7 @@
     "src/core/lib/iomgr/sockaddr_posix.h",
     "src/core/lib/iomgr/sockaddr_utils.h",
     "src/core/lib/iomgr/sockaddr_windows.h",
+    "src/core/lib/iomgr/socket_mutator.h",
     "src/core/lib/iomgr/socket_utils_posix.h",
     "src/core/lib/iomgr/socket_windows.h",
     "src/core/lib/iomgr/tcp_client.h",
@@ -749,6 +752,7 @@
     "src/core/lib/iomgr/resolve_address_posix.c",
     "src/core/lib/iomgr/resolve_address_windows.c",
     "src/core/lib/iomgr/sockaddr_utils.c",
+    "src/core/lib/iomgr/socket_mutator.c",
     "src/core/lib/iomgr/socket_utils_common_posix.c",
     "src/core/lib/iomgr/socket_utils_linux.c",
     "src/core/lib/iomgr/socket_utils_posix.c",
@@ -963,6 +967,7 @@
     "src/core/lib/iomgr/sockaddr_posix.h",
     "src/core/lib/iomgr/sockaddr_utils.h",
     "src/core/lib/iomgr/sockaddr_windows.h",
+    "src/core/lib/iomgr/socket_mutator.h",
     "src/core/lib/iomgr/socket_utils_posix.h",
     "src/core/lib/iomgr/socket_windows.h",
     "src/core/lib/iomgr/tcp_client.h",
@@ -1097,6 +1102,7 @@
     "src/core/lib/iomgr/resolve_address_posix.c",
     "src/core/lib/iomgr/resolve_address_windows.c",
     "src/core/lib/iomgr/sockaddr_utils.c",
+    "src/core/lib/iomgr/socket_mutator.c",
     "src/core/lib/iomgr/socket_utils_common_posix.c",
     "src/core/lib/iomgr/socket_utils_linux.c",
     "src/core/lib/iomgr/socket_utils_posix.c",
@@ -1860,6 +1866,7 @@
     "src/core/lib/iomgr/resolve_address_posix.c",
     "src/core/lib/iomgr/resolve_address_windows.c",
     "src/core/lib/iomgr/sockaddr_utils.c",
+    "src/core/lib/iomgr/socket_mutator.c",
     "src/core/lib/iomgr/socket_utils_common_posix.c",
     "src/core/lib/iomgr/socket_utils_linux.c",
     "src/core/lib/iomgr/socket_utils_posix.c",
@@ -2083,6 +2090,7 @@
     "src/core/lib/iomgr/sockaddr_posix.h",
     "src/core/lib/iomgr/sockaddr_utils.h",
     "src/core/lib/iomgr/sockaddr_windows.h",
+    "src/core/lib/iomgr/socket_mutator.h",
     "src/core/lib/iomgr/socket_utils_posix.h",
     "src/core/lib/iomgr/socket_windows.h",
     "src/core/lib/iomgr/tcp_client.h",
diff --git a/CMakeLists.txt b/CMakeLists.txt
index c419152..4ff0180 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -330,6 +330,7 @@
   src/core/lib/iomgr/resolve_address_posix.c
   src/core/lib/iomgr/resolve_address_windows.c
   src/core/lib/iomgr/sockaddr_utils.c
+  src/core/lib/iomgr/socket_mutator.c
   src/core/lib/iomgr/socket_utils_common_posix.c
   src/core/lib/iomgr/socket_utils_linux.c
   src/core/lib/iomgr/socket_utils_posix.c
@@ -589,6 +590,7 @@
   src/core/lib/iomgr/resolve_address_posix.c
   src/core/lib/iomgr/resolve_address_windows.c
   src/core/lib/iomgr/sockaddr_utils.c
+  src/core/lib/iomgr/socket_mutator.c
   src/core/lib/iomgr/socket_utils_common_posix.c
   src/core/lib/iomgr/socket_utils_linux.c
   src/core/lib/iomgr/socket_utils_posix.c
@@ -820,6 +822,7 @@
   src/core/lib/iomgr/resolve_address_posix.c
   src/core/lib/iomgr/resolve_address_windows.c
   src/core/lib/iomgr/sockaddr_utils.c
+  src/core/lib/iomgr/socket_mutator.c
   src/core/lib/iomgr/socket_utils_common_posix.c
   src/core/lib/iomgr/socket_utils_linux.c
   src/core/lib/iomgr/socket_utils_posix.c
diff --git a/Makefile b/Makefile
index 62c6582..abdbbc3 100644
--- a/Makefile
+++ b/Makefile
@@ -2574,6 +2574,7 @@
     src/core/lib/iomgr/resolve_address_posix.c \
     src/core/lib/iomgr/resolve_address_windows.c \
     src/core/lib/iomgr/sockaddr_utils.c \
+    src/core/lib/iomgr/socket_mutator.c \
     src/core/lib/iomgr/socket_utils_common_posix.c \
     src/core/lib/iomgr/socket_utils_linux.c \
     src/core/lib/iomgr/socket_utils_posix.c \
@@ -2851,6 +2852,7 @@
     src/core/lib/iomgr/resolve_address_posix.c \
     src/core/lib/iomgr/resolve_address_windows.c \
     src/core/lib/iomgr/sockaddr_utils.c \
+    src/core/lib/iomgr/socket_mutator.c \
     src/core/lib/iomgr/socket_utils_common_posix.c \
     src/core/lib/iomgr/socket_utils_linux.c \
     src/core/lib/iomgr/socket_utils_posix.c \
@@ -3118,6 +3120,7 @@
     src/core/lib/iomgr/resolve_address_posix.c \
     src/core/lib/iomgr/resolve_address_windows.c \
     src/core/lib/iomgr/sockaddr_utils.c \
+    src/core/lib/iomgr/socket_mutator.c \
     src/core/lib/iomgr/socket_utils_common_posix.c \
     src/core/lib/iomgr/socket_utils_linux.c \
     src/core/lib/iomgr/socket_utils_posix.c \
@@ -3312,6 +3315,7 @@
     src/core/lib/iomgr/resolve_address_posix.c \
     src/core/lib/iomgr/resolve_address_windows.c \
     src/core/lib/iomgr/sockaddr_utils.c \
+    src/core/lib/iomgr/socket_mutator.c \
     src/core/lib/iomgr/socket_utils_common_posix.c \
     src/core/lib/iomgr/socket_utils_linux.c \
     src/core/lib/iomgr/socket_utils_posix.c \
diff --git a/binding.gyp b/binding.gyp
index 58edda2..dcc4fae 100644
--- a/binding.gyp
+++ b/binding.gyp
@@ -605,6 +605,7 @@
         'src/core/lib/iomgr/resolve_address_posix.c',
         'src/core/lib/iomgr/resolve_address_windows.c',
         'src/core/lib/iomgr/sockaddr_utils.c',
+        'src/core/lib/iomgr/socket_mutator.c',
         'src/core/lib/iomgr/socket_utils_common_posix.c',
         'src/core/lib/iomgr/socket_utils_linux.c',
         'src/core/lib/iomgr/socket_utils_posix.c',
diff --git a/build.yaml b/build.yaml
index 584084f..79b00d8 100644
--- a/build.yaml
+++ b/build.yaml
@@ -210,6 +210,7 @@
   - src/core/lib/iomgr/sockaddr_posix.h
   - src/core/lib/iomgr/sockaddr_utils.h
   - src/core/lib/iomgr/sockaddr_windows.h
+  - src/core/lib/iomgr/socket_mutator.h
   - src/core/lib/iomgr/socket_utils_posix.h
   - src/core/lib/iomgr/socket_windows.h
   - src/core/lib/iomgr/tcp_client.h
@@ -290,6 +291,7 @@
   - src/core/lib/iomgr/resolve_address_posix.c
   - src/core/lib/iomgr/resolve_address_windows.c
   - src/core/lib/iomgr/sockaddr_utils.c
+  - src/core/lib/iomgr/socket_mutator.c
   - src/core/lib/iomgr/socket_utils_common_posix.c
   - src/core/lib/iomgr/socket_utils_linux.c
   - src/core/lib/iomgr/socket_utils_posix.c
diff --git a/config.m4 b/config.m4
index 0f10365..b7ef4a9 100644
--- a/config.m4
+++ b/config.m4
@@ -124,6 +124,7 @@
     src/core/lib/iomgr/resolve_address_posix.c \
     src/core/lib/iomgr/resolve_address_windows.c \
     src/core/lib/iomgr/sockaddr_utils.c \
+    src/core/lib/iomgr/socket_mutator.c \
     src/core/lib/iomgr/socket_utils_common_posix.c \
     src/core/lib/iomgr/socket_utils_linux.c \
     src/core/lib/iomgr/socket_utils_posix.c \
diff --git a/gRPC-Core.podspec b/gRPC-Core.podspec
index 6886bdf..5bd76ab 100644
--- a/gRPC-Core.podspec
+++ b/gRPC-Core.podspec
@@ -293,6 +293,7 @@
                       'src/core/lib/iomgr/sockaddr_posix.h',
                       'src/core/lib/iomgr/sockaddr_utils.h',
                       'src/core/lib/iomgr/sockaddr_windows.h',
+                      'src/core/lib/iomgr/socket_mutator.h',
                       'src/core/lib/iomgr/socket_utils_posix.h',
                       'src/core/lib/iomgr/socket_windows.h',
                       'src/core/lib/iomgr/tcp_client.h',
@@ -454,6 +455,7 @@
                       'src/core/lib/iomgr/resolve_address_posix.c',
                       'src/core/lib/iomgr/resolve_address_windows.c',
                       'src/core/lib/iomgr/sockaddr_utils.c',
+                      'src/core/lib/iomgr/socket_mutator.c',
                       'src/core/lib/iomgr/socket_utils_common_posix.c',
                       'src/core/lib/iomgr/socket_utils_linux.c',
                       'src/core/lib/iomgr/socket_utils_posix.c',
@@ -666,6 +668,7 @@
                               'src/core/lib/iomgr/sockaddr_posix.h',
                               'src/core/lib/iomgr/sockaddr_utils.h',
                               'src/core/lib/iomgr/sockaddr_windows.h',
+                              'src/core/lib/iomgr/socket_mutator.h',
                               'src/core/lib/iomgr/socket_utils_posix.h',
                               'src/core/lib/iomgr/socket_windows.h',
                               'src/core/lib/iomgr/tcp_client.h',
diff --git a/grpc.gemspec b/grpc.gemspec
index 6079ea2..c3601ec 100755
--- a/grpc.gemspec
+++ b/grpc.gemspec
@@ -213,6 +213,7 @@
   s.files += %w( src/core/lib/iomgr/sockaddr_posix.h )
   s.files += %w( src/core/lib/iomgr/sockaddr_utils.h )
   s.files += %w( src/core/lib/iomgr/sockaddr_windows.h )
+  s.files += %w( src/core/lib/iomgr/socket_mutator.h )
   s.files += %w( src/core/lib/iomgr/socket_utils_posix.h )
   s.files += %w( src/core/lib/iomgr/socket_windows.h )
   s.files += %w( src/core/lib/iomgr/tcp_client.h )
@@ -374,6 +375,7 @@
   s.files += %w( src/core/lib/iomgr/resolve_address_posix.c )
   s.files += %w( src/core/lib/iomgr/resolve_address_windows.c )
   s.files += %w( src/core/lib/iomgr/sockaddr_utils.c )
+  s.files += %w( src/core/lib/iomgr/socket_mutator.c )
   s.files += %w( src/core/lib/iomgr/socket_utils_common_posix.c )
   s.files += %w( src/core/lib/iomgr/socket_utils_linux.c )
   s.files += %w( src/core/lib/iomgr/socket_utils_posix.c )
diff --git a/include/grpc++/support/channel_arguments.h b/include/grpc++/support/channel_arguments.h
index ae24393..a17557f 100644
--- a/include/grpc++/support/channel_arguments.h
+++ b/include/grpc++/support/channel_arguments.h
@@ -77,6 +77,9 @@
   /// Set the compression algorithm for the channel.
   void SetCompressionAlgorithm(grpc_compression_algorithm algorithm);
 
+  /// Set the socket mutator for the channel.
+  void SetSocketMutator(grpc_socket_mutator* mutator);
+
   /// The given string will be sent at the front of the user agent string.
   void SetUserAgentPrefix(const grpc::string& user_agent_prefix);
 
diff --git a/include/grpc/impl/codegen/grpc_types.h b/include/grpc/impl/codegen/grpc_types.h
index 6621119..800d9fe 100644
--- a/include/grpc/impl/codegen/grpc_types.h
+++ b/include/grpc/impl/codegen/grpc_types.h
@@ -83,6 +83,9 @@
     can have messages written to it and read from it. */
 typedef struct grpc_call grpc_call;
 
+/** The Socket Mutator interface allows changes on socket options */
+typedef struct grpc_socket_mutator grpc_socket_mutator;
+
 /** Type specifier for grpc_arg */
 typedef enum {
   GRPC_ARG_STRING,
@@ -205,16 +208,6 @@
 #define GRPC_ARG_SOCKET_MUTATOR "grpc.socket_mutator"
 /** \} */
 
-typedef struct grpc_socket_mutator grpc_socket_mutator;
-
-typedef struct grpc_socket_mutator_vtable {
-  bool (*mutate_fd)(int fd, grpc_socket_mutator *mutator);
-} grpc_socket_mutator_vtable;
-
-struct grpc_socket_mutator {
-  const grpc_socket_mutator_vtable *vtable;
-};
-
 /** Result of a grpc call. If the caller satisfies the prerequisites of a
     particular operation, the grpc_call_error returned will be GRPC_CALL_OK.
     Receiving any other value listed here is an indication of a bug in the
diff --git a/package.xml b/package.xml
index 7bac695..2827faa 100644
--- a/package.xml
+++ b/package.xml
@@ -220,6 +220,7 @@
     <file baseinstalldir="/" name="src/core/lib/iomgr/sockaddr_posix.h" role="src" />
     <file baseinstalldir="/" name="src/core/lib/iomgr/sockaddr_utils.h" role="src" />
     <file baseinstalldir="/" name="src/core/lib/iomgr/sockaddr_windows.h" role="src" />
+    <file baseinstalldir="/" name="src/core/lib/iomgr/socket_mutator.h" role="src" />
     <file baseinstalldir="/" name="src/core/lib/iomgr/socket_utils_posix.h" role="src" />
     <file baseinstalldir="/" name="src/core/lib/iomgr/socket_windows.h" role="src" />
     <file baseinstalldir="/" name="src/core/lib/iomgr/tcp_client.h" role="src" />
@@ -381,6 +382,7 @@
     <file baseinstalldir="/" name="src/core/lib/iomgr/resolve_address_posix.c" role="src" />
     <file baseinstalldir="/" name="src/core/lib/iomgr/resolve_address_windows.c" role="src" />
     <file baseinstalldir="/" name="src/core/lib/iomgr/sockaddr_utils.c" role="src" />
+    <file baseinstalldir="/" name="src/core/lib/iomgr/socket_mutator.c" role="src" />
     <file baseinstalldir="/" name="src/core/lib/iomgr/socket_utils_common_posix.c" role="src" />
     <file baseinstalldir="/" name="src/core/lib/iomgr/socket_utils_linux.c" role="src" />
     <file baseinstalldir="/" name="src/core/lib/iomgr/socket_utils_posix.c" role="src" />
diff --git a/src/core/lib/channel/channel_args.c b/src/core/lib/channel/channel_args.c
index 3a56b1f..770b4e0 100644
--- a/src/core/lib/channel/channel_args.c
+++ b/src/core/lib/channel/channel_args.c
@@ -261,6 +261,12 @@
   }
 }
 
+grpc_channel_args *grpc_channel_args_set_socket_mutator(
+    grpc_channel_args *a, grpc_socket_mutator *mutator) {
+  grpc_arg tmp = grpc_socket_mutator_to_arg(mutator);
+  return grpc_channel_args_copy_and_add(a, &tmp, 1);
+}
+
 int grpc_channel_args_compare(const grpc_channel_args *a,
                               const grpc_channel_args *b) {
   int c = GPR_ICMP(a->num_args, b->num_args);
diff --git a/src/core/lib/channel/channel_args.h b/src/core/lib/channel/channel_args.h
index 586a296..8a35762 100644
--- a/src/core/lib/channel/channel_args.h
+++ b/src/core/lib/channel/channel_args.h
@@ -23,8 +23,8 @@
  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
@@ -36,6 +36,7 @@
 
 #include <grpc/compression.h>
 #include <grpc/grpc.h>
+#include "src/core/lib/iomgr/socket_mutator.h"
 
 // Channel args are intentionally immutable, to avoid the need for locking.
 
@@ -89,6 +90,13 @@
 int grpc_channel_args_compare(const grpc_channel_args *a,
                               const grpc_channel_args *b);
 
+/** Returns a channel arg instance with socket mutator added. The socket mutator
+ * will perform its mutate_fd method on all file descriptors used by the
+ * channel.
+ * If \a a is non-MULL, its args are copied. */
+grpc_channel_args *grpc_channel_args_set_socket_mutator(
+    grpc_channel_args *a, grpc_socket_mutator *mutator);
+
 typedef struct grpc_integer_options {
   int default_value;  // Return this if value is outside of expected bounds.
   int min_value;
diff --git a/src/core/lib/iomgr/socket_mutator.c b/src/core/lib/iomgr/socket_mutator.c
new file mode 100644
index 0000000..3f66cb1
--- /dev/null
+++ b/src/core/lib/iomgr/socket_mutator.c
@@ -0,0 +1,81 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "src/core/lib/iomgr/socket_mutator.h"
+
+#include <grpc/impl/codegen/grpc_types.h>
+#include <grpc/support/sync.h>
+#include <grpc/support/useful.h>
+
+void grpc_socket_mutator_init(grpc_socket_mutator *mutator,
+                              const grpc_socket_mutator_vtable *vtable) {
+  mutator->vtable = vtable;
+  gpr_ref_init(&mutator->refcount, 1);
+}
+
+grpc_socket_mutator *grpc_socket_mutator_ref(grpc_socket_mutator *mutator) {
+  gpr_ref(&mutator->refcount);
+  return mutator;
+}
+
+bool grpc_socket_mutator_mutate_fd(grpc_socket_mutator *mutator, int fd) {
+  return mutator->vtable->mutate_fd(fd, mutator);
+}
+
+void grpc_socket_mutator_unref(grpc_socket_mutator *mutator) {
+  if (gpr_unref(&mutator->refcount)) {
+    mutator->vtable->destory(mutator);
+  }
+}
+
+static void *socket_mutator_arg_copy(void *p) {
+  return grpc_socket_mutator_ref(p);
+}
+
+static void socket_mutator_arg_destroy(void *p) {
+  grpc_socket_mutator_unref(p);
+}
+
+static int socket_mutator_cmp(void *a, void *b) { return GPR_ICMP(a, b); }
+
+static const grpc_arg_pointer_vtable socket_mutator_arg_vtable = {
+    socket_mutator_arg_copy, socket_mutator_arg_destroy, socket_mutator_cmp};
+
+grpc_arg grpc_socket_mutator_to_arg(grpc_socket_mutator *mutator) {
+  grpc_arg arg;
+  arg.type = GRPC_ARG_POINTER;
+  arg.key = GRPC_ARG_SOCKET_MUTATOR;
+  arg.value.pointer.vtable = &socket_mutator_arg_vtable;
+  arg.value.pointer.p = mutator;
+  return arg;
+}
diff --git a/src/core/lib/iomgr/socket_mutator.h b/src/core/lib/iomgr/socket_mutator.h
new file mode 100644
index 0000000..5200f52
--- /dev/null
+++ b/src/core/lib/iomgr/socket_mutator.h
@@ -0,0 +1,75 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef GRPC_CORE_LIB_IOMGR_SOCKET_MUTATOR_H
+#define GRPC_CORE_LIB_IOMGR_SOCKET_MUTATOR_H
+
+#include <grpc/impl/codegen/grpc_types.h>
+#include <grpc/support/sync.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/** The virtual table of grpc_socket_mutator */
+typedef struct {
+  /** Mutates the socket opitons of \a fd */
+  bool (*mutate_fd)(int fd, grpc_socket_mutator *mutator);
+  /** Destroys the socket mutator instance */
+  void (*destory)(grpc_socket_mutator *mutator);
+} grpc_socket_mutator_vtable;
+
+/** The Socket Mutator interface allows changes on socket options */
+struct grpc_socket_mutator {
+  const grpc_socket_mutator_vtable *vtable;
+  gpr_refcount refcount;
+};
+
+/** called by concrete implementations to initialize the base struct */
+void grpc_socket_mutator_init(grpc_socket_mutator *mutator,
+                              const grpc_socket_mutator_vtable *vtable);
+
+/** Wrap \a mutator as a grpc_arg */
+grpc_arg grpc_socket_mutator_to_arg(grpc_socket_mutator *mutator);
+
+/** Perform the file descriptor mutation operation of \a mutator on \a fd */
+bool grpc_socket_mutator_mutate_fd(grpc_socket_mutator *mutator, int fd);
+
+grpc_socket_mutator *grpc_socket_mutator_ref(grpc_socket_mutator *mutator);
+void grpc_socket_mutator_unref(grpc_socket_mutator *mutator);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* GRPC_CORE_LIB_IOMGR_SOCKET_MUTATOR_H */
diff --git a/src/core/lib/iomgr/socket_utils_common_posix.c b/src/core/lib/iomgr/socket_utils_common_posix.c
index 8c33ba3..9c67ef8 100644
--- a/src/core/lib/iomgr/socket_utils_common_posix.c
+++ b/src/core/lib/iomgr/socket_utils_common_posix.c
@@ -211,7 +211,7 @@
 /* set a socker using a grpc_socket_mutator */
 grpc_error *grpc_set_socket_with_mutator(int fd, grpc_socket_mutator *mutator) {
   GPR_ASSERT(mutator);
-  if (!mutator->vtable->mutate_fd(fd, mutator)) {
+  if (!grpc_socket_mutator_mutate_fd(mutator, fd)) {
     return GRPC_ERROR_CREATE("grpc_socket_mutator failed.");
   }
   return GRPC_ERROR_NONE;
diff --git a/src/core/lib/iomgr/socket_utils_posix.h b/src/core/lib/iomgr/socket_utils_posix.h
index d84a95d..0ad2d39 100644
--- a/src/core/lib/iomgr/socket_utils_posix.h
+++ b/src/core/lib/iomgr/socket_utils_posix.h
@@ -39,6 +39,7 @@
 
 #include <grpc/impl/codegen/grpc_types.h>
 #include "src/core/lib/iomgr/error.h"
+#include "src/core/lib/iomgr/socket_mutator.h"
 
 /* a wrapper for accept or accept4 */
 int grpc_accept4(int sockfd, struct sockaddr *addr, socklen_t *addrlen,
diff --git a/src/core/lib/iomgr/tcp_client_posix.c b/src/core/lib/iomgr/tcp_client_posix.c
index 84eb41e..9089751 100644
--- a/src/core/lib/iomgr/tcp_client_posix.c
+++ b/src/core/lib/iomgr/tcp_client_posix.c
@@ -50,6 +50,7 @@
 #include "src/core/lib/iomgr/ev_posix.h"
 #include "src/core/lib/iomgr/iomgr_posix.h"
 #include "src/core/lib/iomgr/sockaddr_utils.h"
+#include "src/core/lib/iomgr/socket_mutator.h"
 #include "src/core/lib/iomgr/socket_utils_posix.h"
 #include "src/core/lib/iomgr/tcp_posix.h"
 #include "src/core/lib/iomgr/timer.h"
diff --git a/src/cpp/common/channel_arguments.cc b/src/cpp/common/channel_arguments.cc
index f297ae8..ae56409 100644
--- a/src/cpp/common/channel_arguments.cc
+++ b/src/cpp/common/channel_arguments.cc
@@ -37,7 +37,7 @@
 #include <grpc/impl/codegen/grpc_types.h>
 #include <grpc/support/log.h>
 #include "src/core/lib/channel/channel_args.h"
-
+#include "src/core/lib/iomgr/socket_mutator.h"
 namespace grpc {
 
 ChannelArguments::ChannelArguments() {
@@ -88,6 +88,24 @@
   SetInt(GRPC_COMPRESSION_CHANNEL_DEFAULT_ALGORITHM, algorithm);
 }
 
+void ChannelArguments::SetSocketMutator(grpc_socket_mutator* mutator) {
+  if (!mutator) {
+    return;
+  }
+  grpc_arg mutator_arg = grpc_socket_mutator_to_arg(mutator);
+  bool replaced = false;
+  for (auto it = args_.begin(); it != args_.end(); ++it) {
+    if (it->type == mutator_arg.type &&
+        grpc::string(it->key) == grpc::string(mutator_arg.key)) {
+      it->value.pointer.vtable->destroy(it->value.pointer.p);
+      it->value.pointer = mutator_arg.value.pointer;
+    }
+  }
+  if (!replaced) {
+    args_.push_back(mutator_arg);
+  }
+}
+
 // Note: a second call to this will add in front the result of the first call.
 // An example is calling this on a copy of ChannelArguments which already has a
 // prefix. The user can build up a prefix string by calling this multiple times,
diff --git a/src/python/grpcio/grpc_core_dependencies.py b/src/python/grpcio/grpc_core_dependencies.py
index 2bebf48..b4add7b 100644
--- a/src/python/grpcio/grpc_core_dependencies.py
+++ b/src/python/grpcio/grpc_core_dependencies.py
@@ -118,6 +118,7 @@
   'src/core/lib/iomgr/resolve_address_posix.c',
   'src/core/lib/iomgr/resolve_address_windows.c',
   'src/core/lib/iomgr/sockaddr_utils.c',
+  'src/core/lib/iomgr/socket_mutator.c',
   'src/core/lib/iomgr/socket_utils_common_posix.c',
   'src/core/lib/iomgr/socket_utils_linux.c',
   'src/core/lib/iomgr/socket_utils_posix.c',
diff --git a/test/core/channel/channel_args_test.c b/test/core/channel/channel_args_test.c
index 8ef1bff..d3eb969 100644
--- a/test/core/channel/channel_args_test.c
+++ b/test/core/channel/channel_args_test.c
@@ -134,12 +134,26 @@
   grpc_channel_args_destroy(ch_args);
 }
 
+static void test_set_socket_mutator(void) {
+  grpc_channel_args *ch_args;
+  grpc_socket_mutator mutator;
+  grpc_socket_mutator_init(&mutator, NULL);
+
+  ch_args = grpc_channel_args_set_socket_mutator(NULL, &mutator);
+  GPR_ASSERT(ch_args->num_args == 1);
+  GPR_ASSERT(strcmp(ch_args->args[0].key, GRPC_ARG_SOCKET_MUTATOR) == 0);
+  GPR_ASSERT(ch_args->args[0].type == GRPC_ARG_POINTER);
+
+  grpc_channel_args_destroy(ch_args);
+}
+
 int main(int argc, char **argv) {
   grpc_test_init(argc, argv);
   grpc_init();
   test_create();
   test_set_compression_algorithm();
   test_compression_algorithm_states();
+  test_set_socket_mutator();
   grpc_shutdown();
   return 0;
 }
diff --git a/test/core/iomgr/socket_utils_test.c b/test/core/iomgr/socket_utils_test.c
index 113668b..0b0dfcf 100644
--- a/test/core/iomgr/socket_utils_test.c
+++ b/test/core/iomgr/socket_utils_test.c
@@ -38,7 +38,10 @@
 #include <netinet/ip.h>
 #include <string.h>
 
+#include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
+#include <grpc/support/sync.h>
+#include "src/core/lib/iomgr/socket_mutator.h"
 #include "test/core/util/test_config.h"
 
 struct test_socket_mutator {
@@ -46,7 +49,7 @@
   int option_value;
 };
 
-static bool mutate_fd(int fd, grpc_socket_mutator* mutator) {
+static bool mutate_fd(int fd, grpc_socket_mutator *mutator) {
   int newval;
   socklen_t intlen = sizeof(newval);
   struct test_socket_mutator* m = (struct test_socket_mutator*)mutator;
@@ -64,7 +67,13 @@
   return true;
 }
 
-static const grpc_socket_mutator_vtable mutator_vtable = {mutate_fd};
+static void destroy_test_mutator(grpc_socket_mutator *mutator) {
+  struct test_socket_mutator *m = (struct test_socket_mutator *)mutator;
+  gpr_free(m);
+}
+
+static const grpc_socket_mutator_vtable mutator_vtable = {mutate_fd,
+                                                          destroy_test_mutator};
 
 int main(int argc, char **argv) {
   int sock;
@@ -91,7 +100,7 @@
                                grpc_set_socket_low_latency(sock, 0)));
 
   struct test_socket_mutator mutator;
-  mutator.base.vtable = &mutator_vtable;
+  grpc_socket_mutator_init(&mutator.base, &mutator_vtable);
 
   mutator.option_value = IPTOS_LOWDELAY;
   GPR_ASSERT(GRPC_LOG_IF_ERROR(
diff --git a/test/cpp/common/channel_arguments_test.cc b/test/cpp/common/channel_arguments_test.cc
index 1443eb2..0d1e06b 100644
--- a/test/cpp/common/channel_arguments_test.cc
+++ b/test/cpp/common/channel_arguments_test.cc
@@ -34,11 +34,53 @@
 #include <grpc++/support/channel_arguments.h>
 
 #include <grpc/grpc.h>
+#include <grpc/support/log.h>
 #include <gtest/gtest.h>
+#include "src/core/lib/iomgr/socket_mutator.h"
 
 namespace grpc {
 namespace testing {
 
+namespace {
+
+// A simple grpc_socket_mutator to be used to test SetSocketMutator
+class TestSocketMutator : public grpc_socket_mutator {
+ public:
+  TestSocketMutator();
+
+  bool MutateFd(int fd) {
+    // Do nothing on the fd
+    return true;
+  }
+};
+
+//
+// C API for TestSocketMutator
+//
+
+bool test_mutator_mutate_fd(int fd, grpc_socket_mutator* mutator) {
+  TestSocketMutator* tsm = (TestSocketMutator*)mutator;
+  return tsm->MutateFd(fd);
+}
+
+void test_mutator_destroy(grpc_socket_mutator* mutator) {
+  TestSocketMutator* tsm = (TestSocketMutator*)mutator;
+  gpr_log(GPR_ERROR, "destroy is called");
+  delete tsm;
+}
+
+grpc_socket_mutator_vtable test_mutator_vtable = {test_mutator_mutate_fd,
+                                                  test_mutator_destroy};
+
+//
+// TestSocketMutator implementation
+//
+
+TestSocketMutator::TestSocketMutator() {
+  grpc_socket_mutator_init(this, &test_mutator_vtable);
+}
+}
+
 class ChannelArgumentsTest : public ::testing::Test {
  protected:
   ChannelArgumentsTest()
@@ -165,6 +207,26 @@
   EXPECT_TRUE(HasArg(arg0));
 }
 
+TEST_F(ChannelArgumentsTest, SetSocketMutator) {
+  VerifyDefaultChannelArgs();
+  grpc_arg arg0, arg1;
+  TestSocketMutator* mutator0 = new TestSocketMutator();
+  TestSocketMutator* mutator1 = new TestSocketMutator();
+  arg0 = grpc_socket_mutator_to_arg(mutator0);
+  arg1 = grpc_socket_mutator_to_arg(mutator1);
+
+  channel_args_.SetSocketMutator(mutator0);
+  EXPECT_TRUE(HasArg(arg0));
+
+  channel_args_.SetSocketMutator(mutator1);
+  EXPECT_TRUE(HasArg(arg1));
+  // arg0 is replaced by arg1
+  EXPECT_FALSE(HasArg(arg0));
+
+  // arg0 is destroyed by grpc_socket_mutator_to_arg(mutator1)
+  arg1.value.pointer.vtable->destroy(arg1.value.pointer.p);
+}
+
 TEST_F(ChannelArgumentsTest, SetUserAgentPrefix) {
   VerifyDefaultChannelArgs();
   grpc::string prefix("prefix");
diff --git a/tools/doxygen/Doxyfile.core.internal b/tools/doxygen/Doxyfile.core.internal
index 44f147a..8640de4 100644
--- a/tools/doxygen/Doxyfile.core.internal
+++ b/tools/doxygen/Doxyfile.core.internal
@@ -830,6 +830,7 @@
 src/core/lib/iomgr/sockaddr_posix.h \
 src/core/lib/iomgr/sockaddr_utils.h \
 src/core/lib/iomgr/sockaddr_windows.h \
+src/core/lib/iomgr/socket_mutator.h \
 src/core/lib/iomgr/socket_utils_posix.h \
 src/core/lib/iomgr/socket_windows.h \
 src/core/lib/iomgr/tcp_client.h \
@@ -991,6 +992,7 @@
 src/core/lib/iomgr/resolve_address_posix.c \
 src/core/lib/iomgr/resolve_address_windows.c \
 src/core/lib/iomgr/sockaddr_utils.c \
+src/core/lib/iomgr/socket_mutator.c \
 src/core/lib/iomgr/socket_utils_common_posix.c \
 src/core/lib/iomgr/socket_utils_linux.c \
 src/core/lib/iomgr/socket_utils_posix.c \
diff --git a/tools/run_tests/sources_and_headers.json b/tools/run_tests/sources_and_headers.json
index c05d194..ce11130 100644
--- a/tools/run_tests/sources_and_headers.json
+++ b/tools/run_tests/sources_and_headers.json
@@ -6394,6 +6394,7 @@
       "src/core/lib/iomgr/sockaddr_posix.h", 
       "src/core/lib/iomgr/sockaddr_utils.h", 
       "src/core/lib/iomgr/sockaddr_windows.h", 
+      "src/core/lib/iomgr/socket_mutator.h", 
       "src/core/lib/iomgr/socket_utils_posix.h", 
       "src/core/lib/iomgr/socket_windows.h", 
       "src/core/lib/iomgr/tcp_client.h", 
@@ -6529,6 +6530,8 @@
       "src/core/lib/iomgr/sockaddr_utils.c", 
       "src/core/lib/iomgr/sockaddr_utils.h", 
       "src/core/lib/iomgr/sockaddr_windows.h", 
+      "src/core/lib/iomgr/socket_mutator.c", 
+      "src/core/lib/iomgr/socket_mutator.h", 
       "src/core/lib/iomgr/socket_utils_common_posix.c", 
       "src/core/lib/iomgr/socket_utils_linux.c", 
       "src/core/lib/iomgr/socket_utils_posix.c", 
diff --git a/vsprojects/vcxproj/grpc/grpc.vcxproj b/vsprojects/vcxproj/grpc/grpc.vcxproj
index 965d06d..bb503cc 100644
--- a/vsprojects/vcxproj/grpc/grpc.vcxproj
+++ b/vsprojects/vcxproj/grpc/grpc.vcxproj
@@ -339,6 +339,7 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\sockaddr_posix.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\sockaddr_utils.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\sockaddr_windows.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_mutator.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_utils_posix.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_windows.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_client.h" />
@@ -543,6 +544,8 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\sockaddr_utils.c">
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_mutator.c">
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_utils_common_posix.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_utils_linux.c">
diff --git a/vsprojects/vcxproj/grpc/grpc.vcxproj.filters b/vsprojects/vcxproj/grpc/grpc.vcxproj.filters
index dddd4ec..6ed4ae0 100644
--- a/vsprojects/vcxproj/grpc/grpc.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc/grpc.vcxproj.filters
@@ -124,6 +124,9 @@
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\sockaddr_utils.c">
       <Filter>src\core\lib\iomgr</Filter>
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_mutator.c">
+      <Filter>src\core\lib\iomgr</Filter>
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_utils_common_posix.c">
       <Filter>src\core\lib\iomgr</Filter>
     </ClCompile>
@@ -800,6 +803,9 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\sockaddr_windows.h">
       <Filter>src\core\lib\iomgr</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_mutator.h">
+      <Filter>src\core\lib\iomgr</Filter>
+    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_utils_posix.h">
       <Filter>src\core\lib\iomgr</Filter>
     </ClInclude>
diff --git a/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj b/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj
index b724c21..d18009e 100644
--- a/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj
+++ b/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj
@@ -232,6 +232,7 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\sockaddr_posix.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\sockaddr_utils.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\sockaddr_windows.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_mutator.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_utils_posix.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_windows.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_client.h" />
@@ -391,6 +392,8 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\sockaddr_utils.c">
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_mutator.c">
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_utils_common_posix.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_utils_linux.c">
diff --git a/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj.filters b/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj.filters
index 92806fa..21aec59 100644
--- a/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj.filters
@@ -178,6 +178,9 @@
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\sockaddr_utils.c">
       <Filter>src\core\lib\iomgr</Filter>
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_mutator.c">
+      <Filter>src\core\lib\iomgr</Filter>
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_utils_common_posix.c">
       <Filter>src\core\lib\iomgr</Filter>
     </ClCompile>
@@ -587,6 +590,9 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\sockaddr_windows.h">
       <Filter>src\core\lib\iomgr</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_mutator.h">
+      <Filter>src\core\lib\iomgr</Filter>
+    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_utils_posix.h">
       <Filter>src\core\lib\iomgr</Filter>
     </ClInclude>
diff --git a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj
index b467736..948be2c 100644
--- a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj
+++ b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj
@@ -329,6 +329,7 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\sockaddr_posix.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\sockaddr_utils.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\sockaddr_windows.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_mutator.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_utils_posix.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_windows.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_client.h" />
@@ -511,6 +512,8 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\sockaddr_utils.c">
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_mutator.c">
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_utils_common_posix.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_utils_linux.c">
diff --git a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
index 6ffc1ea..74be003 100644
--- a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
@@ -127,6 +127,9 @@
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\sockaddr_utils.c">
       <Filter>src\core\lib\iomgr</Filter>
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_mutator.c">
+      <Filter>src\core\lib\iomgr</Filter>
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_utils_common_posix.c">
       <Filter>src\core\lib\iomgr</Filter>
     </ClCompile>
@@ -710,6 +713,9 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\sockaddr_windows.h">
       <Filter>src\core\lib\iomgr</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_mutator.h">
+      <Filter>src\core\lib\iomgr</Filter>
+    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_utils_posix.h">
       <Filter>src\core\lib\iomgr</Filter>
     </ClInclude>