diff -r 7b0fdc1e917a Lib/plat-linux2/IN.py
--- a/Lib/plat-linux2/IN.py	Sat Sep 06 22:47:02 2014 +0300
+++ b/Lib/plat-linux2/IN.py	Wed Sep 10 02:07:50 2014 +0100
@@ -473,6 +473,7 @@
 SO_TIMESTAMP = 29
 SCM_TIMESTAMP = SO_TIMESTAMP
 SO_ACCEPTCONN = 30
+SO_MARK = 36
 SOCK_STREAM = 1
 SOCK_DGRAM = 2
 SOCK_RAW = 3
diff -r 7b0fdc1e917a Modules/socketmodule.c
--- a/Modules/socketmodule.c	Sat Sep 06 22:47:02 2014 +0300
+++ b/Modules/socketmodule.c	Wed Sep 10 02:07:50 2014 +0100
@@ -4933,6 +4933,9 @@
 #ifdef SO_SETFIB
     PyModule_AddIntConstant(m, "SO_SETFIB", SO_SETFIB);
 #endif
+#ifdef SO_MARK
+    PyModule_AddIntConstant(m, "SO_MARK", SO_MARK);
+#endif
 
     /* Maximum number of connections for "listen" */
 #ifdef  SOMAXCONN
diff -r 2b3dbbd2bd92 Lib/plat-linux/IN.py
--- a/Lib/plat-linux/IN.py	Tue Sep 09 19:56:56 2014 +0200
+++ b/Lib/plat-linux/IN.py	Wed Sep 10 02:05:26 2014 +0100
@@ -473,6 +473,7 @@
 SO_TIMESTAMP = 29
 SCM_TIMESTAMP = SO_TIMESTAMP
 SO_ACCEPTCONN = 30
+SO_MARK = 36
 SOCK_STREAM = 1
 SOCK_DGRAM = 2
 SOCK_RAW = 3
diff -r 2b3dbbd2bd92 Modules/socketmodule.c
--- a/Modules/socketmodule.c	Tue Sep 09 19:56:56 2014 +0200
+++ b/Modules/socketmodule.c	Wed Sep 10 02:05:26 2014 +0100
@@ -6181,6 +6181,9 @@
 #ifdef  SO_PRIORITY
     PyModule_AddIntMacro(m, SO_PRIORITY);
 #endif
+#ifdef  SO_MARK
+    PyModule_AddIntMacro(m, SO_MARK);
+#endif
 
     /* Maximum number of connections for "listen" */
 #ifdef  SOMAXCONN