diff --git a/src/core/lib/iomgr/socket_utils.h b/src/core/lib/iomgr/socket_utils.h
index cf1a7be6489..14bb081e935 100644
--- a/src/core/lib/iomgr/socket_utils.h
+++ b/src/core/lib/iomgr/socket_utils.h
@@ -23,12 +23,21 @@
 
 #include <stddef.h>
 
+// TODO(juanlishen): The following functions might be simple enough to implement
+// ourselves, so that they don't cause any portability hassle.
+
 /* A wrapper for htons on POSIX and Windows */
 uint16_t grpc_htons(uint16_t hostshort);
 
 /* A wrapper for ntohs on POSIX and WINDOWS */
 uint16_t grpc_ntohs(uint16_t netshort);
 
+/* A wrapper for htonl on POSIX and Windows */
+uint32_t grpc_htonl(uint32_t hostlong);
+
+/* A wrapper for ntohl on POSIX and WINDOWS */
+uint32_t grpc_ntohl(uint32_t netlong);
+
 /* A wrapper for inet_pton on POSIX and WINDOWS */
 int grpc_inet_pton(int af, const char* src, void* dst);
 
diff --git a/src/core/lib/iomgr/socket_utils_common_posix.cc b/src/core/lib/iomgr/socket_utils_common_posix.cc
index caee652307c..c4b991c94d8 100644
--- a/src/core/lib/iomgr/socket_utils_common_posix.cc
+++ b/src/core/lib/iomgr/socket_utils_common_posix.cc
@@ -339,6 +339,10 @@ uint16_t grpc_htons(uint16_t hostshort) { return htons(hostshort); }
 
 uint16_t grpc_ntohs(uint16_t netshort) { return ntohs(netshort); }
 
+uint32_t grpc_htonl(uint32_t hostlong) { return htonl(hostlong); }
+
+uint32_t grpc_ntohl(uint32_t netlong) { return ntohl(netlong); }
+
 int grpc_inet_pton(int af, const char* src, void* dst) {
   return inet_pton(af, src, dst);
 }
diff --git a/src/core/lib/iomgr/socket_utils_uv.cc b/src/core/lib/iomgr/socket_utils_uv.cc
index 7eba40c46bf..b5f96b52df5 100644
--- a/src/core/lib/iomgr/socket_utils_uv.cc
+++ b/src/core/lib/iomgr/socket_utils_uv.cc
@@ -33,6 +33,10 @@ uint16_t grpc_htons(uint16_t hostshort) { return htons(hostshort); }
 
 uint16_t grpc_ntohs(uint16_t netshort) { return ntohs(netshort); }
 
+uint32_t grpc_htonl(uint32_t hostlong) { return htonl(hostlong); }
+
+uint32_t grpc_ntohl(uint32_t netlong) { return ntohl(netlong); }
+
 int grpc_inet_pton(int af, const char* src, void* dst) {
   return inet_pton(af, src, dst);
 }
diff --git a/src/core/lib/iomgr/socket_utils_windows.cc b/src/core/lib/iomgr/socket_utils_windows.cc
index 3e7b5b812db..9137ab98e60 100644
--- a/src/core/lib/iomgr/socket_utils_windows.cc
+++ b/src/core/lib/iomgr/socket_utils_windows.cc
@@ -31,6 +31,10 @@ uint16_t grpc_htons(uint16_t hostshort) { return htons(hostshort); }
 
 uint16_t grpc_ntohs(uint16_t netshort) { return ntohs(netshort); }
 
+uint32_t grpc_htonl(uint32_t hostlong) { return htonl(hostlong); }
+
+uint32_t grpc_ntohl(uint32_t netlong) { return ntohl(netlong); }
+
 int grpc_inet_pton(int af, const char* src, void* dst) {
   return inet_pton(af, src, dst);
 }