From 24e6ab5d5a70dcda224a5067de89109c8732f75d Mon Sep 17 00:00:00 2001
From: Matt Fox <matt@tansen.ca>
Date: Mon, 30 Jan 2017 21:51:07 -0800
Subject: [PATCH 1/3] Installation instructions- replace wget with git clone

---
 README.rst | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/README.rst b/README.rst
index 7e04b01..a8dc530 100644
--- a/README.rst
+++ b/README.rst
@@ -81,9 +81,8 @@ From source
 
 To install from source::
 
-    wget https://pypi.python.org/packages/94/5b/83d10952c1312fe056f8f2f524a4a59fdc9d56b84a67cae1ed779e2da50b/NetfilterQueue-0.8.tar.gz#md5=8e78db992ad3a73dd86fef05293fff65
-    tar -xvzf NetfilterQueue-0.8.tar.gz
-    cd NetfilterQueue-0.8
+    git clone git@github.com:kti/python-netfilterqueue.git
+    cd python-netfilterqueue
     python setup.py install
 
 If Cython is installed, Distutils will use it to regenerate the .c source from the .pyx. It will then compile the .c into a .so.

From 1a9815fdfd879e123859d4ae0a3069a264286948 Mon Sep 17 00:00:00 2001
From: Matt Fox <matt@tansen.ca>
Date: Mon, 30 Jan 2017 23:36:46 -0800
Subject: [PATCH 2/3] To fix #25, only parse self._hw.hw_addr if self._hw is
 not NULL

---
 examples/print_and_accept.py |   3 +
 netfilterqueue.c             | 963 ++++++++++++++++++-----------------
 netfilterqueue.pyx           |   7 +-
 3 files changed, 505 insertions(+), 468 deletions(-)

diff --git a/examples/print_and_accept.py b/examples/print_and_accept.py
index 4182629..afad935 100755
--- a/examples/print_and_accept.py
+++ b/examples/print_and_accept.py
@@ -3,6 +3,9 @@ from netfilterqueue import NetfilterQueue
 
 def print_and_accept(pkt):
     print(pkt)
+    hw = pkt.get_hw()
+    if hw:
+        print(":".join("{:02x}".format(ord(c)) for c in hw[0:6]))
     pkt.accept()
 
 nfqueue = NetfilterQueue()
diff --git a/netfilterqueue.c b/netfilterqueue.c
index fa4219e..8ab1bb0 100644
--- a/netfilterqueue.c
+++ b/netfilterqueue.c
@@ -967,12 +967,12 @@ static CYTHON_INLINE int __Pyx_CheckKeywordStrings(PyObject *kwdict, const char*
 /* GetModuleGlobalName.proto */
 static CYTHON_INLINE PyObject *__Pyx_GetModuleGlobalName(PyObject *name);
 
-/* IncludeStringH.proto */
-#include <string.h>
-
 /* RaiseException.proto */
 static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause);
 
+/* IncludeStringH.proto */
+#include <string.h>
+
 /* PyObjectCallNoArg.proto */
 #if CYTHON_COMPILING_IN_CPYTHON
 static CYTHON_INLINE PyObject* __Pyx_PyObject_CallNoArg(PyObject *func);
@@ -2081,9 +2081,8 @@ static PyObject *__pyx_f_14netfilterqueue_6Packet_set_nfq_data(struct __pyx_obj_
   PyObject *__pyx_r = NULL;
   __Pyx_RefNannyDeclarations
   u_int8_t __pyx_t_1;
-  u_int8_t *__pyx_t_2;
-  int __pyx_t_3;
-  PyObject *__pyx_t_4 = NULL;
+  int __pyx_t_2;
+  PyObject *__pyx_t_3 = NULL;
   __Pyx_RefNannySetupContext("set_nfq_data", 0);
 
   /* "netfilterqueue.pyx":57
@@ -2100,7 +2099,7 @@ static PyObject *__pyx_f_14netfilterqueue_6Packet_set_nfq_data(struct __pyx_obj_
  *         self._qh = qh
  *         self._nfa = nfa             # <<<<<<<<<<<<<<
  *         self._hdr = nfq_get_msg_packet_hdr(nfa)
- *         self._hw = nfq_get_packet_hw(nfa)
+ * 
  */
   __pyx_v_self->_nfa = __pyx_v_nfa;
 
@@ -2108,22 +2107,13 @@ static PyObject *__pyx_f_14netfilterqueue_6Packet_set_nfq_data(struct __pyx_obj_
  *         self._qh = qh
  *         self._nfa = nfa
  *         self._hdr = nfq_get_msg_packet_hdr(nfa)             # <<<<<<<<<<<<<<
- *         self._hw = nfq_get_packet_hw(nfa)
- * 
- */
-  __pyx_v_self->_hdr = nfq_get_msg_packet_hdr(__pyx_v_nfa);
-
-  /* "netfilterqueue.pyx":60
- *         self._nfa = nfa
- *         self._hdr = nfq_get_msg_packet_hdr(nfa)
- *         self._hw = nfq_get_packet_hw(nfa)             # <<<<<<<<<<<<<<
  * 
  *         self.id = ntohl(self._hdr.packet_id)
  */
-  __pyx_v_self->_hw = nfq_get_packet_hw(__pyx_v_nfa);
+  __pyx_v_self->_hdr = nfq_get_msg_packet_hdr(__pyx_v_nfa);
 
-  /* "netfilterqueue.pyx":62
- *         self._hw = nfq_get_packet_hw(nfa)
+  /* "netfilterqueue.pyx":61
+ *         self._hdr = nfq_get_msg_packet_hdr(nfa)
  * 
  *         self.id = ntohl(self._hdr.packet_id)             # <<<<<<<<<<<<<<
  *         self.hw_protocol = ntohs(self._hdr.hw_protocol)
@@ -2131,37 +2121,27 @@ static PyObject *__pyx_f_14netfilterqueue_6Packet_set_nfq_data(struct __pyx_obj_
  */
   __pyx_v_self->id = ntohl(__pyx_v_self->_hdr->packet_id);
 
-  /* "netfilterqueue.pyx":63
+  /* "netfilterqueue.pyx":62
  * 
  *         self.id = ntohl(self._hdr.packet_id)
  *         self.hw_protocol = ntohs(self._hdr.hw_protocol)             # <<<<<<<<<<<<<<
  *         self.hook = self._hdr.hook
- *         self.hw_addr = self._hw.hw_addr
+ * 
  */
   __pyx_v_self->hw_protocol = ntohs(__pyx_v_self->_hdr->hw_protocol);
 
-  /* "netfilterqueue.pyx":64
+  /* "netfilterqueue.pyx":63
  *         self.id = ntohl(self._hdr.packet_id)
  *         self.hw_protocol = ntohs(self._hdr.hw_protocol)
  *         self.hook = self._hdr.hook             # <<<<<<<<<<<<<<
- *         self.hw_addr = self._hw.hw_addr
  * 
+ *         self.payload_len = nfq_get_payload(self._nfa, &self.payload)
  */
   __pyx_t_1 = __pyx_v_self->_hdr->hook;
   __pyx_v_self->hook = __pyx_t_1;
 
   /* "netfilterqueue.pyx":65
- *         self.hw_protocol = ntohs(self._hdr.hw_protocol)
  *         self.hook = self._hdr.hook
- *         self.hw_addr = self._hw.hw_addr             # <<<<<<<<<<<<<<
- * 
- *         self.payload_len = nfq_get_payload(self._nfa, &self.payload)
- */
-  __pyx_t_2 = __pyx_v_self->_hw->hw_addr;
-  memcpy(&(__pyx_v_self->hw_addr[0]), __pyx_t_2, sizeof(__pyx_v_self->hw_addr[0]) * (8 - 0));
-
-  /* "netfilterqueue.pyx":67
- *         self.hw_addr = self._hw.hw_addr
  * 
  *         self.payload_len = nfq_get_payload(self._nfa, &self.payload)             # <<<<<<<<<<<<<<
  *         if self.payload_len < 0:
@@ -2169,30 +2149,30 @@ static PyObject *__pyx_f_14netfilterqueue_6Packet_set_nfq_data(struct __pyx_obj_
  */
   __pyx_v_self->payload_len = nfq_get_payload(__pyx_v_self->_nfa, (&__pyx_v_self->payload));
 
-  /* "netfilterqueue.pyx":68
+  /* "netfilterqueue.pyx":66
  * 
  *         self.payload_len = nfq_get_payload(self._nfa, &self.payload)
  *         if self.payload_len < 0:             # <<<<<<<<<<<<<<
  *             raise OSError("Failed to get payload of packet.")
  * 
  */
-  __pyx_t_3 = ((__pyx_v_self->payload_len < 0) != 0);
-  if (__pyx_t_3) {
+  __pyx_t_2 = ((__pyx_v_self->payload_len < 0) != 0);
+  if (__pyx_t_2) {
 
-    /* "netfilterqueue.pyx":69
+    /* "netfilterqueue.pyx":67
  *         self.payload_len = nfq_get_payload(self._nfa, &self.payload)
  *         if self.payload_len < 0:
  *             raise OSError("Failed to get payload of packet.")             # <<<<<<<<<<<<<<
  * 
  *         nfq_get_timestamp(self._nfa, &self.timestamp)
  */
-    __pyx_t_4 = __Pyx_PyObject_Call(__pyx_builtin_OSError, __pyx_tuple_, NULL); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 69, __pyx_L1_error)
-    __Pyx_GOTREF(__pyx_t_4);
-    __Pyx_Raise(__pyx_t_4, 0, 0, 0);
-    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
-    __PYX_ERR(0, 69, __pyx_L1_error)
+    __pyx_t_3 = __Pyx_PyObject_Call(__pyx_builtin_OSError, __pyx_tuple_, NULL); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 67, __pyx_L1_error)
+    __Pyx_GOTREF(__pyx_t_3);
+    __Pyx_Raise(__pyx_t_3, 0, 0, 0);
+    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+    __PYX_ERR(0, 67, __pyx_L1_error)
 
-    /* "netfilterqueue.pyx":68
+    /* "netfilterqueue.pyx":66
  * 
  *         self.payload_len = nfq_get_payload(self._nfa, &self.payload)
  *         if self.payload_len < 0:             # <<<<<<<<<<<<<<
@@ -2201,7 +2181,7 @@ static PyObject *__pyx_f_14netfilterqueue_6Packet_set_nfq_data(struct __pyx_obj_
  */
   }
 
-  /* "netfilterqueue.pyx":71
+  /* "netfilterqueue.pyx":69
  *             raise OSError("Failed to get payload of packet.")
  * 
  *         nfq_get_timestamp(self._nfa, &self.timestamp)             # <<<<<<<<<<<<<<
@@ -2210,7 +2190,7 @@ static PyObject *__pyx_f_14netfilterqueue_6Packet_set_nfq_data(struct __pyx_obj_
  */
   nfq_get_timestamp(__pyx_v_self->_nfa, (&__pyx_v_self->timestamp));
 
-  /* "netfilterqueue.pyx":72
+  /* "netfilterqueue.pyx":70
  * 
  *         nfq_get_timestamp(self._nfa, &self.timestamp)
  *         self.mark = nfq_get_nfmark(nfa)             # <<<<<<<<<<<<<<
@@ -2231,7 +2211,7 @@ static PyObject *__pyx_f_14netfilterqueue_6Packet_set_nfq_data(struct __pyx_obj_
   __pyx_r = Py_None; __Pyx_INCREF(Py_None);
   goto __pyx_L0;
   __pyx_L1_error:;
-  __Pyx_XDECREF(__pyx_t_4);
+  __Pyx_XDECREF(__pyx_t_3);
   __Pyx_AddTraceback("netfilterqueue.Packet.set_nfq_data", __pyx_clineno, __pyx_lineno, __pyx_filename);
   __pyx_r = 0;
   __pyx_L0:;
@@ -2240,7 +2220,7 @@ static PyObject *__pyx_f_14netfilterqueue_6Packet_set_nfq_data(struct __pyx_obj_
   return __pyx_r;
 }
 
-/* "netfilterqueue.pyx":74
+/* "netfilterqueue.pyx":72
  *         self.mark = nfq_get_nfmark(nfa)
  * 
  *     cdef void verdict(self, u_int8_t verdict):             # <<<<<<<<<<<<<<
@@ -2258,7 +2238,7 @@ static void __pyx_f_14netfilterqueue_6Packet_verdict(struct __pyx_obj_14netfilte
   unsigned char *__pyx_t_4;
   __Pyx_RefNannySetupContext("verdict", 0);
 
-  /* "netfilterqueue.pyx":76
+  /* "netfilterqueue.pyx":74
  *     cdef void verdict(self, u_int8_t verdict):
  *         """Call appropriate set_verdict... function on packet."""
  *         if self._verdict_is_set:             # <<<<<<<<<<<<<<
@@ -2268,20 +2248,20 @@ static void __pyx_f_14netfilterqueue_6Packet_verdict(struct __pyx_obj_14netfilte
   __pyx_t_1 = (__pyx_v_self->_verdict_is_set != 0);
   if (__pyx_t_1) {
 
-    /* "netfilterqueue.pyx":77
+    /* "netfilterqueue.pyx":75
  *         """Call appropriate set_verdict... function on packet."""
  *         if self._verdict_is_set:
  *             raise RuntimeWarning("Verdict already given for this packet.")             # <<<<<<<<<<<<<<
  * 
  *         cdef u_int32_t modified_payload_len = 0
  */
-    __pyx_t_2 = __Pyx_PyObject_Call(__pyx_builtin_RuntimeWarning, __pyx_tuple__2, NULL); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 77, __pyx_L1_error)
+    __pyx_t_2 = __Pyx_PyObject_Call(__pyx_builtin_RuntimeWarning, __pyx_tuple__2, NULL); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 75, __pyx_L1_error)
     __Pyx_GOTREF(__pyx_t_2);
     __Pyx_Raise(__pyx_t_2, 0, 0, 0);
     __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
-    __PYX_ERR(0, 77, __pyx_L1_error)
+    __PYX_ERR(0, 75, __pyx_L1_error)
 
-    /* "netfilterqueue.pyx":76
+    /* "netfilterqueue.pyx":74
  *     cdef void verdict(self, u_int8_t verdict):
  *         """Call appropriate set_verdict... function on packet."""
  *         if self._verdict_is_set:             # <<<<<<<<<<<<<<
@@ -2290,7 +2270,7 @@ static void __pyx_f_14netfilterqueue_6Packet_verdict(struct __pyx_obj_14netfilte
  */
   }
 
-  /* "netfilterqueue.pyx":79
+  /* "netfilterqueue.pyx":77
  *             raise RuntimeWarning("Verdict already given for this packet.")
  * 
  *         cdef u_int32_t modified_payload_len = 0             # <<<<<<<<<<<<<<
@@ -2299,7 +2279,7 @@ static void __pyx_f_14netfilterqueue_6Packet_verdict(struct __pyx_obj_14netfilte
  */
   __pyx_v_modified_payload_len = 0;
 
-  /* "netfilterqueue.pyx":80
+  /* "netfilterqueue.pyx":78
  * 
  *         cdef u_int32_t modified_payload_len = 0
  *         cdef unsigned char *modified_payload = NULL             # <<<<<<<<<<<<<<
@@ -2308,7 +2288,7 @@ static void __pyx_f_14netfilterqueue_6Packet_verdict(struct __pyx_obj_14netfilte
  */
   __pyx_v_modified_payload = NULL;
 
-  /* "netfilterqueue.pyx":81
+  /* "netfilterqueue.pyx":79
  *         cdef u_int32_t modified_payload_len = 0
  *         cdef unsigned char *modified_payload = NULL
  *         if self._given_payload:             # <<<<<<<<<<<<<<
@@ -2318,7 +2298,7 @@ static void __pyx_f_14netfilterqueue_6Packet_verdict(struct __pyx_obj_14netfilte
   __pyx_t_1 = (__pyx_v_self->_given_payload != Py_None) && (PyBytes_GET_SIZE(__pyx_v_self->_given_payload) != 0);
   if (__pyx_t_1) {
 
-    /* "netfilterqueue.pyx":82
+    /* "netfilterqueue.pyx":80
  *         cdef unsigned char *modified_payload = NULL
  *         if self._given_payload:
  *             modified_payload_len = len(self._given_payload)             # <<<<<<<<<<<<<<
@@ -2329,23 +2309,23 @@ static void __pyx_f_14netfilterqueue_6Packet_verdict(struct __pyx_obj_14netfilte
     __Pyx_INCREF(__pyx_t_2);
     if (unlikely(__pyx_t_2 == Py_None)) {
       PyErr_SetString(PyExc_TypeError, "object of type 'NoneType' has no len()");
-      __PYX_ERR(0, 82, __pyx_L1_error)
+      __PYX_ERR(0, 80, __pyx_L1_error)
     }
-    __pyx_t_3 = PyBytes_GET_SIZE(__pyx_t_2); if (unlikely(__pyx_t_3 == -1)) __PYX_ERR(0, 82, __pyx_L1_error)
+    __pyx_t_3 = PyBytes_GET_SIZE(__pyx_t_2); if (unlikely(__pyx_t_3 == -1)) __PYX_ERR(0, 80, __pyx_L1_error)
     __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
     __pyx_v_modified_payload_len = __pyx_t_3;
 
-    /* "netfilterqueue.pyx":83
+    /* "netfilterqueue.pyx":81
  *         if self._given_payload:
  *             modified_payload_len = len(self._given_payload)
  *             modified_payload = self._given_payload             # <<<<<<<<<<<<<<
  *         if self._mark_is_set:
  *             nfq_set_verdict2(
  */
-    __pyx_t_4 = __Pyx_PyObject_AsUString(__pyx_v_self->_given_payload); if (unlikely((!__pyx_t_4) && PyErr_Occurred())) __PYX_ERR(0, 83, __pyx_L1_error)
+    __pyx_t_4 = __Pyx_PyObject_AsUString(__pyx_v_self->_given_payload); if (unlikely((!__pyx_t_4) && PyErr_Occurred())) __PYX_ERR(0, 81, __pyx_L1_error)
     __pyx_v_modified_payload = __pyx_t_4;
 
-    /* "netfilterqueue.pyx":81
+    /* "netfilterqueue.pyx":79
  *         cdef u_int32_t modified_payload_len = 0
  *         cdef unsigned char *modified_payload = NULL
  *         if self._given_payload:             # <<<<<<<<<<<<<<
@@ -2354,7 +2334,7 @@ static void __pyx_f_14netfilterqueue_6Packet_verdict(struct __pyx_obj_14netfilte
  */
   }
 
-  /* "netfilterqueue.pyx":84
+  /* "netfilterqueue.pyx":82
  *             modified_payload_len = len(self._given_payload)
  *             modified_payload = self._given_payload
  *         if self._mark_is_set:             # <<<<<<<<<<<<<<
@@ -2364,7 +2344,7 @@ static void __pyx_f_14netfilterqueue_6Packet_verdict(struct __pyx_obj_14netfilte
   __pyx_t_1 = (__pyx_v_self->_mark_is_set != 0);
   if (__pyx_t_1) {
 
-    /* "netfilterqueue.pyx":85
+    /* "netfilterqueue.pyx":83
  *             modified_payload = self._given_payload
  *         if self._mark_is_set:
  *             nfq_set_verdict2(             # <<<<<<<<<<<<<<
@@ -2373,7 +2353,7 @@ static void __pyx_f_14netfilterqueue_6Packet_verdict(struct __pyx_obj_14netfilte
  */
     nfq_set_verdict2(__pyx_v_self->_qh, __pyx_v_self->id, __pyx_v_verdict, __pyx_v_self->_given_mark, __pyx_v_modified_payload_len, __pyx_v_modified_payload);
 
-    /* "netfilterqueue.pyx":84
+    /* "netfilterqueue.pyx":82
  *             modified_payload_len = len(self._given_payload)
  *             modified_payload = self._given_payload
  *         if self._mark_is_set:             # <<<<<<<<<<<<<<
@@ -2383,7 +2363,7 @@ static void __pyx_f_14netfilterqueue_6Packet_verdict(struct __pyx_obj_14netfilte
     goto __pyx_L5;
   }
 
-  /* "netfilterqueue.pyx":93
+  /* "netfilterqueue.pyx":91
  *                 modified_payload)
  *         else:
  *             nfq_set_verdict(             # <<<<<<<<<<<<<<
@@ -2392,7 +2372,7 @@ static void __pyx_f_14netfilterqueue_6Packet_verdict(struct __pyx_obj_14netfilte
  */
   /*else*/ {
 
-    /* "netfilterqueue.pyx":98
+    /* "netfilterqueue.pyx":96
  *                 verdict,
  *                 modified_payload_len,
  *                 modified_payload)             # <<<<<<<<<<<<<<
@@ -2403,7 +2383,7 @@ static void __pyx_f_14netfilterqueue_6Packet_verdict(struct __pyx_obj_14netfilte
   }
   __pyx_L5:;
 
-  /* "netfilterqueue.pyx":100
+  /* "netfilterqueue.pyx":98
  *                 modified_payload)
  * 
  *         self._verdict_is_set = True             # <<<<<<<<<<<<<<
@@ -2412,7 +2392,7 @@ static void __pyx_f_14netfilterqueue_6Packet_verdict(struct __pyx_obj_14netfilte
  */
   __pyx_v_self->_verdict_is_set = 1;
 
-  /* "netfilterqueue.pyx":74
+  /* "netfilterqueue.pyx":72
  *         self.mark = nfq_get_nfmark(nfa)
  * 
  *     cdef void verdict(self, u_int8_t verdict):             # <<<<<<<<<<<<<<
@@ -2429,12 +2409,12 @@ static void __pyx_f_14netfilterqueue_6Packet_verdict(struct __pyx_obj_14netfilte
   __Pyx_RefNannyFinishContext();
 }
 
-/* "netfilterqueue.pyx":102
+/* "netfilterqueue.pyx":100
  *         self._verdict_is_set = True
  * 
  *     def get_hw(self):             # <<<<<<<<<<<<<<
  *         """Return the hardware address as Python string."""
- *         cdef object py_string
+ *         self._hw = nfq_get_packet_hw(self._nfa)
  */
 
 /* Python wrapper */
@@ -2456,11 +2436,62 @@ static PyObject *__pyx_pf_14netfilterqueue_6Packet_4get_hw(struct __pyx_obj_14ne
   PyObject *__pyx_r = NULL;
   __Pyx_RefNannyDeclarations
   int __pyx_t_1;
-  PyObject *__pyx_t_2 = NULL;
+  u_int8_t *__pyx_t_2;
+  PyObject *__pyx_t_3 = NULL;
   __Pyx_RefNannySetupContext("get_hw", 0);
 
-  /* "netfilterqueue.pyx":105
+  /* "netfilterqueue.pyx":102
+ *     def get_hw(self):
  *         """Return the hardware address as Python string."""
+ *         self._hw = nfq_get_packet_hw(self._nfa)             # <<<<<<<<<<<<<<
+ *         if self._hw == NULL:
+ *             # nfq_get_packet_hw doesn't work on OUTPUT and PREROUTING chains
+ */
+  __pyx_v_self->_hw = nfq_get_packet_hw(__pyx_v_self->_nfa);
+
+  /* "netfilterqueue.pyx":103
+ *         """Return the hardware address as Python string."""
+ *         self._hw = nfq_get_packet_hw(self._nfa)
+ *         if self._hw == NULL:             # <<<<<<<<<<<<<<
+ *             # nfq_get_packet_hw doesn't work on OUTPUT and PREROUTING chains
+ *             return None
+ */
+  __pyx_t_1 = ((__pyx_v_self->_hw == NULL) != 0);
+  if (__pyx_t_1) {
+
+    /* "netfilterqueue.pyx":105
+ *         if self._hw == NULL:
+ *             # nfq_get_packet_hw doesn't work on OUTPUT and PREROUTING chains
+ *             return None             # <<<<<<<<<<<<<<
+ *         self.hw_addr = self._hw.hw_addr
+ *         cdef object py_string
+ */
+    __Pyx_XDECREF(__pyx_r);
+    __Pyx_INCREF(Py_None);
+    __pyx_r = Py_None;
+    goto __pyx_L0;
+
+    /* "netfilterqueue.pyx":103
+ *         """Return the hardware address as Python string."""
+ *         self._hw = nfq_get_packet_hw(self._nfa)
+ *         if self._hw == NULL:             # <<<<<<<<<<<<<<
+ *             # nfq_get_packet_hw doesn't work on OUTPUT and PREROUTING chains
+ *             return None
+ */
+  }
+
+  /* "netfilterqueue.pyx":106
+ *             # nfq_get_packet_hw doesn't work on OUTPUT and PREROUTING chains
+ *             return None
+ *         self.hw_addr = self._hw.hw_addr             # <<<<<<<<<<<<<<
+ *         cdef object py_string
+ *         if cpython.version.PY_MAJOR_VERSION >= 3:
+ */
+  __pyx_t_2 = __pyx_v_self->_hw->hw_addr;
+  memcpy(&(__pyx_v_self->hw_addr[0]), __pyx_t_2, sizeof(__pyx_v_self->hw_addr[0]) * (8 - 0));
+
+  /* "netfilterqueue.pyx":108
+ *         self.hw_addr = self._hw.hw_addr
  *         cdef object py_string
  *         if cpython.version.PY_MAJOR_VERSION >= 3:             # <<<<<<<<<<<<<<
  *             py_string = PyBytes_FromStringAndSize(<char*>self.hw_addr, 8)
@@ -2469,29 +2500,29 @@ static PyObject *__pyx_pf_14netfilterqueue_6Packet_4get_hw(struct __pyx_obj_14ne
   __pyx_t_1 = ((PY_MAJOR_VERSION >= 3) != 0);
   if (__pyx_t_1) {
 
-    /* "netfilterqueue.pyx":106
+    /* "netfilterqueue.pyx":109
  *         cdef object py_string
  *         if cpython.version.PY_MAJOR_VERSION >= 3:
  *             py_string = PyBytes_FromStringAndSize(<char*>self.hw_addr, 8)             # <<<<<<<<<<<<<<
  *         else:
  *             py_string = PyString_FromStringAndSize(<char*>self.hw_addr, 8)
  */
-    __pyx_t_2 = PyBytes_FromStringAndSize(((char *)__pyx_v_self->hw_addr), 8); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 106, __pyx_L1_error)
-    __Pyx_GOTREF(__pyx_t_2);
-    __pyx_v_py_string = __pyx_t_2;
-    __pyx_t_2 = 0;
+    __pyx_t_3 = PyBytes_FromStringAndSize(((char *)__pyx_v_self->hw_addr), 8); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 109, __pyx_L1_error)
+    __Pyx_GOTREF(__pyx_t_3);
+    __pyx_v_py_string = __pyx_t_3;
+    __pyx_t_3 = 0;
 
-    /* "netfilterqueue.pyx":105
- *         """Return the hardware address as Python string."""
+    /* "netfilterqueue.pyx":108
+ *         self.hw_addr = self._hw.hw_addr
  *         cdef object py_string
  *         if cpython.version.PY_MAJOR_VERSION >= 3:             # <<<<<<<<<<<<<<
  *             py_string = PyBytes_FromStringAndSize(<char*>self.hw_addr, 8)
  *         else:
  */
-    goto __pyx_L3;
+    goto __pyx_L4;
   }
 
-  /* "netfilterqueue.pyx":108
+  /* "netfilterqueue.pyx":111
  *             py_string = PyBytes_FromStringAndSize(<char*>self.hw_addr, 8)
  *         else:
  *             py_string = PyString_FromStringAndSize(<char*>self.hw_addr, 8)             # <<<<<<<<<<<<<<
@@ -2499,14 +2530,14 @@ static PyObject *__pyx_pf_14netfilterqueue_6Packet_4get_hw(struct __pyx_obj_14ne
  * 
  */
   /*else*/ {
-    __pyx_t_2 = PyString_FromStringAndSize(((char *)__pyx_v_self->hw_addr), 8); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 108, __pyx_L1_error)
-    __Pyx_GOTREF(__pyx_t_2);
-    __pyx_v_py_string = __pyx_t_2;
-    __pyx_t_2 = 0;
+    __pyx_t_3 = PyString_FromStringAndSize(((char *)__pyx_v_self->hw_addr), 8); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 111, __pyx_L1_error)
+    __Pyx_GOTREF(__pyx_t_3);
+    __pyx_v_py_string = __pyx_t_3;
+    __pyx_t_3 = 0;
   }
-  __pyx_L3:;
+  __pyx_L4:;
 
-  /* "netfilterqueue.pyx":109
+  /* "netfilterqueue.pyx":112
  *         else:
  *             py_string = PyString_FromStringAndSize(<char*>self.hw_addr, 8)
  *         return py_string             # <<<<<<<<<<<<<<
@@ -2518,17 +2549,17 @@ static PyObject *__pyx_pf_14netfilterqueue_6Packet_4get_hw(struct __pyx_obj_14ne
   __pyx_r = __pyx_v_py_string;
   goto __pyx_L0;
 
-  /* "netfilterqueue.pyx":102
+  /* "netfilterqueue.pyx":100
  *         self._verdict_is_set = True
  * 
  *     def get_hw(self):             # <<<<<<<<<<<<<<
  *         """Return the hardware address as Python string."""
- *         cdef object py_string
+ *         self._hw = nfq_get_packet_hw(self._nfa)
  */
 
   /* function exit code */
   __pyx_L1_error:;
-  __Pyx_XDECREF(__pyx_t_2);
+  __Pyx_XDECREF(__pyx_t_3);
   __Pyx_AddTraceback("netfilterqueue.Packet.get_hw", __pyx_clineno, __pyx_lineno, __pyx_filename);
   __pyx_r = NULL;
   __pyx_L0:;
@@ -2538,7 +2569,7 @@ static PyObject *__pyx_pf_14netfilterqueue_6Packet_4get_hw(struct __pyx_obj_14ne
   return __pyx_r;
 }
 
-/* "netfilterqueue.pyx":111
+/* "netfilterqueue.pyx":114
  *         return py_string
  * 
  *     def get_payload(self):             # <<<<<<<<<<<<<<
@@ -2567,19 +2598,19 @@ static PyObject *__pyx_pf_14netfilterqueue_6Packet_6get_payload(struct __pyx_obj
   PyObject *__pyx_t_1 = NULL;
   __Pyx_RefNannySetupContext("get_payload", 0);
 
-  /* "netfilterqueue.pyx":114
+  /* "netfilterqueue.pyx":117
  *         """Return payload as Python string."""
  *         cdef object py_string
  *         py_string = self.payload[:self.payload_len]             # <<<<<<<<<<<<<<
  *         return py_string
  * 
  */
-  __pyx_t_1 = __Pyx_PyBytes_FromStringAndSize(__pyx_v_self->payload + 0, __pyx_v_self->payload_len - 0); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 114, __pyx_L1_error)
+  __pyx_t_1 = __Pyx_PyBytes_FromStringAndSize(__pyx_v_self->payload + 0, __pyx_v_self->payload_len - 0); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 117, __pyx_L1_error)
   __Pyx_GOTREF(__pyx_t_1);
   __pyx_v_py_string = __pyx_t_1;
   __pyx_t_1 = 0;
 
-  /* "netfilterqueue.pyx":115
+  /* "netfilterqueue.pyx":118
  *         cdef object py_string
  *         py_string = self.payload[:self.payload_len]
  *         return py_string             # <<<<<<<<<<<<<<
@@ -2591,7 +2622,7 @@ static PyObject *__pyx_pf_14netfilterqueue_6Packet_6get_payload(struct __pyx_obj
   __pyx_r = __pyx_v_py_string;
   goto __pyx_L0;
 
-  /* "netfilterqueue.pyx":111
+  /* "netfilterqueue.pyx":114
  *         return py_string
  * 
  *     def get_payload(self):             # <<<<<<<<<<<<<<
@@ -2611,7 +2642,7 @@ static PyObject *__pyx_pf_14netfilterqueue_6Packet_6get_payload(struct __pyx_obj
   return __pyx_r;
 }
 
-/* "netfilterqueue.pyx":117
+/* "netfilterqueue.pyx":120
  *         return py_string
  * 
  *     cpdef Py_ssize_t get_payload_len(self):             # <<<<<<<<<<<<<<
@@ -2633,7 +2664,7 @@ static Py_ssize_t __pyx_f_14netfilterqueue_6Packet_get_payload_len(struct __pyx_
   if (unlikely(__pyx_skip_dispatch)) ;
   /* Check if overridden in Python */
   else if (unlikely(Py_TYPE(((PyObject *)__pyx_v_self))->tp_dictoffset != 0)) {
-    __pyx_t_1 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_self), __pyx_n_s_get_payload_len); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 117, __pyx_L1_error)
+    __pyx_t_1 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_self), __pyx_n_s_get_payload_len); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 120, __pyx_L1_error)
     __Pyx_GOTREF(__pyx_t_1);
     if (!PyCFunction_Check(__pyx_t_1) || (PyCFunction_GET_FUNCTION(__pyx_t_1) != (PyCFunction)__pyx_pw_14netfilterqueue_6Packet_9get_payload_len)) {
       __Pyx_INCREF(__pyx_t_1);
@@ -2648,14 +2679,14 @@ static Py_ssize_t __pyx_f_14netfilterqueue_6Packet_get_payload_len(struct __pyx_
         }
       }
       if (__pyx_t_4) {
-        __pyx_t_2 = __Pyx_PyObject_CallOneArg(__pyx_t_3, __pyx_t_4); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 117, __pyx_L1_error)
+        __pyx_t_2 = __Pyx_PyObject_CallOneArg(__pyx_t_3, __pyx_t_4); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 120, __pyx_L1_error)
         __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
       } else {
-        __pyx_t_2 = __Pyx_PyObject_CallNoArg(__pyx_t_3); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 117, __pyx_L1_error)
+        __pyx_t_2 = __Pyx_PyObject_CallNoArg(__pyx_t_3); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 120, __pyx_L1_error)
       }
       __Pyx_GOTREF(__pyx_t_2);
       __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-      __pyx_t_5 = __Pyx_PyIndex_AsSsize_t(__pyx_t_2); if (unlikely((__pyx_t_5 == (Py_ssize_t)-1) && PyErr_Occurred())) __PYX_ERR(0, 117, __pyx_L1_error)
+      __pyx_t_5 = __Pyx_PyIndex_AsSsize_t(__pyx_t_2); if (unlikely((__pyx_t_5 == (Py_ssize_t)-1) && PyErr_Occurred())) __PYX_ERR(0, 120, __pyx_L1_error)
       __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
       __pyx_r = __pyx_t_5;
       __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
@@ -2664,7 +2695,7 @@ static Py_ssize_t __pyx_f_14netfilterqueue_6Packet_get_payload_len(struct __pyx_
     __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
   }
 
-  /* "netfilterqueue.pyx":118
+  /* "netfilterqueue.pyx":121
  * 
  *     cpdef Py_ssize_t get_payload_len(self):
  *         return self.payload_len             # <<<<<<<<<<<<<<
@@ -2674,7 +2705,7 @@ static Py_ssize_t __pyx_f_14netfilterqueue_6Packet_get_payload_len(struct __pyx_
   __pyx_r = __pyx_v_self->payload_len;
   goto __pyx_L0;
 
-  /* "netfilterqueue.pyx":117
+  /* "netfilterqueue.pyx":120
  *         return py_string
  * 
  *     cpdef Py_ssize_t get_payload_len(self):             # <<<<<<<<<<<<<<
@@ -2714,7 +2745,7 @@ static PyObject *__pyx_pf_14netfilterqueue_6Packet_8get_payload_len(struct __pyx
   PyObject *__pyx_t_1 = NULL;
   __Pyx_RefNannySetupContext("get_payload_len", 0);
   __Pyx_XDECREF(__pyx_r);
-  __pyx_t_1 = PyInt_FromSsize_t(__pyx_f_14netfilterqueue_6Packet_get_payload_len(__pyx_v_self, 1)); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 117, __pyx_L1_error)
+  __pyx_t_1 = PyInt_FromSsize_t(__pyx_f_14netfilterqueue_6Packet_get_payload_len(__pyx_v_self, 1)); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 120, __pyx_L1_error)
   __Pyx_GOTREF(__pyx_t_1);
   __pyx_r = __pyx_t_1;
   __pyx_t_1 = 0;
@@ -2731,7 +2762,7 @@ static PyObject *__pyx_pf_14netfilterqueue_6Packet_8get_payload_len(struct __pyx
   return __pyx_r;
 }
 
-/* "netfilterqueue.pyx":120
+/* "netfilterqueue.pyx":123
  *         return self.payload_len
  * 
  *     cpdef double get_timestamp(self):             # <<<<<<<<<<<<<<
@@ -2753,7 +2784,7 @@ static double __pyx_f_14netfilterqueue_6Packet_get_timestamp(struct __pyx_obj_14
   if (unlikely(__pyx_skip_dispatch)) ;
   /* Check if overridden in Python */
   else if (unlikely(Py_TYPE(((PyObject *)__pyx_v_self))->tp_dictoffset != 0)) {
-    __pyx_t_1 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_self), __pyx_n_s_get_timestamp); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 120, __pyx_L1_error)
+    __pyx_t_1 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_self), __pyx_n_s_get_timestamp); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 123, __pyx_L1_error)
     __Pyx_GOTREF(__pyx_t_1);
     if (!PyCFunction_Check(__pyx_t_1) || (PyCFunction_GET_FUNCTION(__pyx_t_1) != (PyCFunction)__pyx_pw_14netfilterqueue_6Packet_11get_timestamp)) {
       __Pyx_INCREF(__pyx_t_1);
@@ -2768,14 +2799,14 @@ static double __pyx_f_14netfilterqueue_6Packet_get_timestamp(struct __pyx_obj_14
         }
       }
       if (__pyx_t_4) {
-        __pyx_t_2 = __Pyx_PyObject_CallOneArg(__pyx_t_3, __pyx_t_4); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 120, __pyx_L1_error)
+        __pyx_t_2 = __Pyx_PyObject_CallOneArg(__pyx_t_3, __pyx_t_4); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 123, __pyx_L1_error)
         __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
       } else {
-        __pyx_t_2 = __Pyx_PyObject_CallNoArg(__pyx_t_3); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 120, __pyx_L1_error)
+        __pyx_t_2 = __Pyx_PyObject_CallNoArg(__pyx_t_3); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 123, __pyx_L1_error)
       }
       __Pyx_GOTREF(__pyx_t_2);
       __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-      __pyx_t_5 = __pyx_PyFloat_AsDouble(__pyx_t_2); if (unlikely((__pyx_t_5 == (double)-1) && PyErr_Occurred())) __PYX_ERR(0, 120, __pyx_L1_error)
+      __pyx_t_5 = __pyx_PyFloat_AsDouble(__pyx_t_2); if (unlikely((__pyx_t_5 == (double)-1) && PyErr_Occurred())) __PYX_ERR(0, 123, __pyx_L1_error)
       __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
       __pyx_r = __pyx_t_5;
       __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
@@ -2784,7 +2815,7 @@ static double __pyx_f_14netfilterqueue_6Packet_get_timestamp(struct __pyx_obj_14
     __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
   }
 
-  /* "netfilterqueue.pyx":121
+  /* "netfilterqueue.pyx":124
  * 
  *     cpdef double get_timestamp(self):
  *         return self.timestamp.tv_sec + (self.timestamp.tv_usec/1000000.0)             # <<<<<<<<<<<<<<
@@ -2794,7 +2825,7 @@ static double __pyx_f_14netfilterqueue_6Packet_get_timestamp(struct __pyx_obj_14
   __pyx_r = (__pyx_v_self->timestamp.tv_sec + (__pyx_v_self->timestamp.tv_usec / 1000000.0));
   goto __pyx_L0;
 
-  /* "netfilterqueue.pyx":120
+  /* "netfilterqueue.pyx":123
  *         return self.payload_len
  * 
  *     cpdef double get_timestamp(self):             # <<<<<<<<<<<<<<
@@ -2834,7 +2865,7 @@ static PyObject *__pyx_pf_14netfilterqueue_6Packet_10get_timestamp(struct __pyx_
   PyObject *__pyx_t_1 = NULL;
   __Pyx_RefNannySetupContext("get_timestamp", 0);
   __Pyx_XDECREF(__pyx_r);
-  __pyx_t_1 = PyFloat_FromDouble(__pyx_f_14netfilterqueue_6Packet_get_timestamp(__pyx_v_self, 1)); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 120, __pyx_L1_error)
+  __pyx_t_1 = PyFloat_FromDouble(__pyx_f_14netfilterqueue_6Packet_get_timestamp(__pyx_v_self, 1)); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 123, __pyx_L1_error)
   __Pyx_GOTREF(__pyx_t_1);
   __pyx_r = __pyx_t_1;
   __pyx_t_1 = 0;
@@ -2851,7 +2882,7 @@ static PyObject *__pyx_pf_14netfilterqueue_6Packet_10get_timestamp(struct __pyx_
   return __pyx_r;
 }
 
-/* "netfilterqueue.pyx":123
+/* "netfilterqueue.pyx":126
  *         return self.timestamp.tv_sec + (self.timestamp.tv_usec/1000000.0)
  * 
  *     cpdef set_payload(self, bytes payload):             # <<<<<<<<<<<<<<
@@ -2873,7 +2904,7 @@ static PyObject *__pyx_f_14netfilterqueue_6Packet_set_payload(struct __pyx_obj_1
   if (unlikely(__pyx_skip_dispatch)) ;
   /* Check if overridden in Python */
   else if (unlikely(Py_TYPE(((PyObject *)__pyx_v_self))->tp_dictoffset != 0)) {
-    __pyx_t_1 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_self), __pyx_n_s_set_payload); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 123, __pyx_L1_error)
+    __pyx_t_1 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_self), __pyx_n_s_set_payload); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 126, __pyx_L1_error)
     __Pyx_GOTREF(__pyx_t_1);
     if (!PyCFunction_Check(__pyx_t_1) || (PyCFunction_GET_FUNCTION(__pyx_t_1) != (PyCFunction)__pyx_pw_14netfilterqueue_6Packet_13set_payload)) {
       __Pyx_XDECREF(__pyx_r);
@@ -2889,13 +2920,13 @@ static PyObject *__pyx_f_14netfilterqueue_6Packet_set_payload(struct __pyx_obj_1
         }
       }
       if (!__pyx_t_4) {
-        __pyx_t_2 = __Pyx_PyObject_CallOneArg(__pyx_t_3, __pyx_v_payload); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 123, __pyx_L1_error)
+        __pyx_t_2 = __Pyx_PyObject_CallOneArg(__pyx_t_3, __pyx_v_payload); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 126, __pyx_L1_error)
         __Pyx_GOTREF(__pyx_t_2);
       } else {
         #if CYTHON_FAST_PYCALL
         if (PyFunction_Check(__pyx_t_3)) {
           PyObject *__pyx_temp[2] = {__pyx_t_4, __pyx_v_payload};
-          __pyx_t_2 = __Pyx_PyFunction_FastCall(__pyx_t_3, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 123, __pyx_L1_error)
+          __pyx_t_2 = __Pyx_PyFunction_FastCall(__pyx_t_3, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 126, __pyx_L1_error)
           __Pyx_XDECREF(__pyx_t_4); __pyx_t_4 = 0;
           __Pyx_GOTREF(__pyx_t_2);
         } else
@@ -2903,19 +2934,19 @@ static PyObject *__pyx_f_14netfilterqueue_6Packet_set_payload(struct __pyx_obj_1
         #if CYTHON_FAST_PYCCALL
         if (__Pyx_PyFastCFunction_Check(__pyx_t_3)) {
           PyObject *__pyx_temp[2] = {__pyx_t_4, __pyx_v_payload};
-          __pyx_t_2 = __Pyx_PyCFunction_FastCall(__pyx_t_3, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 123, __pyx_L1_error)
+          __pyx_t_2 = __Pyx_PyCFunction_FastCall(__pyx_t_3, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 126, __pyx_L1_error)
           __Pyx_XDECREF(__pyx_t_4); __pyx_t_4 = 0;
           __Pyx_GOTREF(__pyx_t_2);
         } else
         #endif
         {
-          __pyx_t_5 = PyTuple_New(1+1); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 123, __pyx_L1_error)
+          __pyx_t_5 = PyTuple_New(1+1); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 126, __pyx_L1_error)
           __Pyx_GOTREF(__pyx_t_5);
           __Pyx_GIVEREF(__pyx_t_4); PyTuple_SET_ITEM(__pyx_t_5, 0, __pyx_t_4); __pyx_t_4 = NULL;
           __Pyx_INCREF(__pyx_v_payload);
           __Pyx_GIVEREF(__pyx_v_payload);
           PyTuple_SET_ITEM(__pyx_t_5, 0+1, __pyx_v_payload);
-          __pyx_t_2 = __Pyx_PyObject_Call(__pyx_t_3, __pyx_t_5, NULL); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 123, __pyx_L1_error)
+          __pyx_t_2 = __Pyx_PyObject_Call(__pyx_t_3, __pyx_t_5, NULL); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 126, __pyx_L1_error)
           __Pyx_GOTREF(__pyx_t_2);
           __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
         }
@@ -2929,7 +2960,7 @@ static PyObject *__pyx_f_14netfilterqueue_6Packet_set_payload(struct __pyx_obj_1
     __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
   }
 
-  /* "netfilterqueue.pyx":125
+  /* "netfilterqueue.pyx":128
  *     cpdef set_payload(self, bytes payload):
  *         """Set the new payload of this packet."""
  *         self._given_payload = payload             # <<<<<<<<<<<<<<
@@ -2942,7 +2973,7 @@ static PyObject *__pyx_f_14netfilterqueue_6Packet_set_payload(struct __pyx_obj_1
   __Pyx_DECREF(__pyx_v_self->_given_payload);
   __pyx_v_self->_given_payload = __pyx_v_payload;
 
-  /* "netfilterqueue.pyx":123
+  /* "netfilterqueue.pyx":126
  *         return self.timestamp.tv_sec + (self.timestamp.tv_usec/1000000.0)
  * 
  *     cpdef set_payload(self, bytes payload):             # <<<<<<<<<<<<<<
@@ -2974,7 +3005,7 @@ static PyObject *__pyx_pw_14netfilterqueue_6Packet_13set_payload(PyObject *__pyx
   PyObject *__pyx_r = 0;
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("set_payload (wrapper)", 0);
-  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_payload), (&PyBytes_Type), 1, "payload", 1))) __PYX_ERR(0, 123, __pyx_L1_error)
+  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_payload), (&PyBytes_Type), 1, "payload", 1))) __PYX_ERR(0, 126, __pyx_L1_error)
   __pyx_r = __pyx_pf_14netfilterqueue_6Packet_12set_payload(((struct __pyx_obj_14netfilterqueue_Packet *)__pyx_v_self), ((PyObject*)__pyx_v_payload));
 
   /* function exit code */
@@ -2992,7 +3023,7 @@ static PyObject *__pyx_pf_14netfilterqueue_6Packet_12set_payload(struct __pyx_ob
   PyObject *__pyx_t_1 = NULL;
   __Pyx_RefNannySetupContext("set_payload", 0);
   __Pyx_XDECREF(__pyx_r);
-  __pyx_t_1 = __pyx_f_14netfilterqueue_6Packet_set_payload(__pyx_v_self, __pyx_v_payload, 1); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 123, __pyx_L1_error)
+  __pyx_t_1 = __pyx_f_14netfilterqueue_6Packet_set_payload(__pyx_v_self, __pyx_v_payload, 1); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 126, __pyx_L1_error)
   __Pyx_GOTREF(__pyx_t_1);
   __pyx_r = __pyx_t_1;
   __pyx_t_1 = 0;
@@ -3009,7 +3040,7 @@ static PyObject *__pyx_pf_14netfilterqueue_6Packet_12set_payload(struct __pyx_ob
   return __pyx_r;
 }
 
-/* "netfilterqueue.pyx":127
+/* "netfilterqueue.pyx":130
  *         self._given_payload = payload
  * 
  *     cpdef set_mark(self, u_int32_t mark):             # <<<<<<<<<<<<<<
@@ -3032,11 +3063,11 @@ static PyObject *__pyx_f_14netfilterqueue_6Packet_set_mark(struct __pyx_obj_14ne
   if (unlikely(__pyx_skip_dispatch)) ;
   /* Check if overridden in Python */
   else if (unlikely(Py_TYPE(((PyObject *)__pyx_v_self))->tp_dictoffset != 0)) {
-    __pyx_t_1 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_self), __pyx_n_s_set_mark); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 127, __pyx_L1_error)
+    __pyx_t_1 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_self), __pyx_n_s_set_mark); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 130, __pyx_L1_error)
     __Pyx_GOTREF(__pyx_t_1);
     if (!PyCFunction_Check(__pyx_t_1) || (PyCFunction_GET_FUNCTION(__pyx_t_1) != (PyCFunction)__pyx_pw_14netfilterqueue_6Packet_15set_mark)) {
       __Pyx_XDECREF(__pyx_r);
-      __pyx_t_3 = __Pyx_PyInt_From_u_int32_t(__pyx_v_mark); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 127, __pyx_L1_error)
+      __pyx_t_3 = __Pyx_PyInt_From_u_int32_t(__pyx_v_mark); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 130, __pyx_L1_error)
       __Pyx_GOTREF(__pyx_t_3);
       __Pyx_INCREF(__pyx_t_1);
       __pyx_t_4 = __pyx_t_1; __pyx_t_5 = NULL;
@@ -3050,14 +3081,14 @@ static PyObject *__pyx_f_14netfilterqueue_6Packet_set_mark(struct __pyx_obj_14ne
         }
       }
       if (!__pyx_t_5) {
-        __pyx_t_2 = __Pyx_PyObject_CallOneArg(__pyx_t_4, __pyx_t_3); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 127, __pyx_L1_error)
+        __pyx_t_2 = __Pyx_PyObject_CallOneArg(__pyx_t_4, __pyx_t_3); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 130, __pyx_L1_error)
         __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
         __Pyx_GOTREF(__pyx_t_2);
       } else {
         #if CYTHON_FAST_PYCALL
         if (PyFunction_Check(__pyx_t_4)) {
           PyObject *__pyx_temp[2] = {__pyx_t_5, __pyx_t_3};
-          __pyx_t_2 = __Pyx_PyFunction_FastCall(__pyx_t_4, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 127, __pyx_L1_error)
+          __pyx_t_2 = __Pyx_PyFunction_FastCall(__pyx_t_4, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 130, __pyx_L1_error)
           __Pyx_XDECREF(__pyx_t_5); __pyx_t_5 = 0;
           __Pyx_GOTREF(__pyx_t_2);
           __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
@@ -3066,20 +3097,20 @@ static PyObject *__pyx_f_14netfilterqueue_6Packet_set_mark(struct __pyx_obj_14ne
         #if CYTHON_FAST_PYCCALL
         if (__Pyx_PyFastCFunction_Check(__pyx_t_4)) {
           PyObject *__pyx_temp[2] = {__pyx_t_5, __pyx_t_3};
-          __pyx_t_2 = __Pyx_PyCFunction_FastCall(__pyx_t_4, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 127, __pyx_L1_error)
+          __pyx_t_2 = __Pyx_PyCFunction_FastCall(__pyx_t_4, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 130, __pyx_L1_error)
           __Pyx_XDECREF(__pyx_t_5); __pyx_t_5 = 0;
           __Pyx_GOTREF(__pyx_t_2);
           __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
         } else
         #endif
         {
-          __pyx_t_6 = PyTuple_New(1+1); if (unlikely(!__pyx_t_6)) __PYX_ERR(0, 127, __pyx_L1_error)
+          __pyx_t_6 = PyTuple_New(1+1); if (unlikely(!__pyx_t_6)) __PYX_ERR(0, 130, __pyx_L1_error)
           __Pyx_GOTREF(__pyx_t_6);
           __Pyx_GIVEREF(__pyx_t_5); PyTuple_SET_ITEM(__pyx_t_6, 0, __pyx_t_5); __pyx_t_5 = NULL;
           __Pyx_GIVEREF(__pyx_t_3);
           PyTuple_SET_ITEM(__pyx_t_6, 0+1, __pyx_t_3);
           __pyx_t_3 = 0;
-          __pyx_t_2 = __Pyx_PyObject_Call(__pyx_t_4, __pyx_t_6, NULL); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 127, __pyx_L1_error)
+          __pyx_t_2 = __Pyx_PyObject_Call(__pyx_t_4, __pyx_t_6, NULL); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 130, __pyx_L1_error)
           __Pyx_GOTREF(__pyx_t_2);
           __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
         }
@@ -3093,7 +3124,7 @@ static PyObject *__pyx_f_14netfilterqueue_6Packet_set_mark(struct __pyx_obj_14ne
     __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
   }
 
-  /* "netfilterqueue.pyx":128
+  /* "netfilterqueue.pyx":131
  * 
  *     cpdef set_mark(self, u_int32_t mark):
  *         self._given_mark = mark             # <<<<<<<<<<<<<<
@@ -3102,7 +3133,7 @@ static PyObject *__pyx_f_14netfilterqueue_6Packet_set_mark(struct __pyx_obj_14ne
  */
   __pyx_v_self->_given_mark = __pyx_v_mark;
 
-  /* "netfilterqueue.pyx":129
+  /* "netfilterqueue.pyx":132
  *     cpdef set_mark(self, u_int32_t mark):
  *         self._given_mark = mark
  *         self._mark_is_set = True             # <<<<<<<<<<<<<<
@@ -3111,7 +3142,7 @@ static PyObject *__pyx_f_14netfilterqueue_6Packet_set_mark(struct __pyx_obj_14ne
  */
   __pyx_v_self->_mark_is_set = 1;
 
-  /* "netfilterqueue.pyx":127
+  /* "netfilterqueue.pyx":130
  *         self._given_payload = payload
  * 
  *     cpdef set_mark(self, u_int32_t mark):             # <<<<<<<<<<<<<<
@@ -3145,7 +3176,7 @@ static PyObject *__pyx_pw_14netfilterqueue_6Packet_15set_mark(PyObject *__pyx_v_
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("set_mark (wrapper)", 0);
   assert(__pyx_arg_mark); {
-    __pyx_v_mark = __Pyx_PyInt_As_u_int32_t(__pyx_arg_mark); if (unlikely((__pyx_v_mark == ((u_int32_t)-1)) && PyErr_Occurred())) __PYX_ERR(0, 127, __pyx_L3_error)
+    __pyx_v_mark = __Pyx_PyInt_As_u_int32_t(__pyx_arg_mark); if (unlikely((__pyx_v_mark == ((u_int32_t)-1)) && PyErr_Occurred())) __PYX_ERR(0, 130, __pyx_L3_error)
   }
   goto __pyx_L4_argument_unpacking_done;
   __pyx_L3_error:;
@@ -3166,7 +3197,7 @@ static PyObject *__pyx_pf_14netfilterqueue_6Packet_14set_mark(struct __pyx_obj_1
   PyObject *__pyx_t_1 = NULL;
   __Pyx_RefNannySetupContext("set_mark", 0);
   __Pyx_XDECREF(__pyx_r);
-  __pyx_t_1 = __pyx_f_14netfilterqueue_6Packet_set_mark(__pyx_v_self, __pyx_v_mark, 1); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 127, __pyx_L1_error)
+  __pyx_t_1 = __pyx_f_14netfilterqueue_6Packet_set_mark(__pyx_v_self, __pyx_v_mark, 1); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 130, __pyx_L1_error)
   __Pyx_GOTREF(__pyx_t_1);
   __pyx_r = __pyx_t_1;
   __pyx_t_1 = 0;
@@ -3183,7 +3214,7 @@ static PyObject *__pyx_pf_14netfilterqueue_6Packet_14set_mark(struct __pyx_obj_1
   return __pyx_r;
 }
 
-/* "netfilterqueue.pyx":131
+/* "netfilterqueue.pyx":134
  *         self._mark_is_set = True
  * 
  *     cpdef get_mark(self):             # <<<<<<<<<<<<<<
@@ -3205,7 +3236,7 @@ static PyObject *__pyx_f_14netfilterqueue_6Packet_get_mark(struct __pyx_obj_14ne
   if (unlikely(__pyx_skip_dispatch)) ;
   /* Check if overridden in Python */
   else if (unlikely(Py_TYPE(((PyObject *)__pyx_v_self))->tp_dictoffset != 0)) {
-    __pyx_t_1 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_self), __pyx_n_s_get_mark); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 131, __pyx_L1_error)
+    __pyx_t_1 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_self), __pyx_n_s_get_mark); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 134, __pyx_L1_error)
     __Pyx_GOTREF(__pyx_t_1);
     if (!PyCFunction_Check(__pyx_t_1) || (PyCFunction_GET_FUNCTION(__pyx_t_1) != (PyCFunction)__pyx_pw_14netfilterqueue_6Packet_17get_mark)) {
       __Pyx_XDECREF(__pyx_r);
@@ -3221,10 +3252,10 @@ static PyObject *__pyx_f_14netfilterqueue_6Packet_get_mark(struct __pyx_obj_14ne
         }
       }
       if (__pyx_t_4) {
-        __pyx_t_2 = __Pyx_PyObject_CallOneArg(__pyx_t_3, __pyx_t_4); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 131, __pyx_L1_error)
+        __pyx_t_2 = __Pyx_PyObject_CallOneArg(__pyx_t_3, __pyx_t_4); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 134, __pyx_L1_error)
         __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
       } else {
-        __pyx_t_2 = __Pyx_PyObject_CallNoArg(__pyx_t_3); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 131, __pyx_L1_error)
+        __pyx_t_2 = __Pyx_PyObject_CallNoArg(__pyx_t_3); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 134, __pyx_L1_error)
       }
       __Pyx_GOTREF(__pyx_t_2);
       __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
@@ -3236,7 +3267,7 @@ static PyObject *__pyx_f_14netfilterqueue_6Packet_get_mark(struct __pyx_obj_14ne
     __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
   }
 
-  /* "netfilterqueue.pyx":132
+  /* "netfilterqueue.pyx":135
  * 
  *     cpdef get_mark(self):
  *         if self._mark_is_set:             # <<<<<<<<<<<<<<
@@ -3246,7 +3277,7 @@ static PyObject *__pyx_f_14netfilterqueue_6Packet_get_mark(struct __pyx_obj_14ne
   __pyx_t_5 = (__pyx_v_self->_mark_is_set != 0);
   if (__pyx_t_5) {
 
-    /* "netfilterqueue.pyx":133
+    /* "netfilterqueue.pyx":136
  *     cpdef get_mark(self):
  *         if self._mark_is_set:
  *             return self._given_mark             # <<<<<<<<<<<<<<
@@ -3254,13 +3285,13 @@ static PyObject *__pyx_f_14netfilterqueue_6Packet_get_mark(struct __pyx_obj_14ne
  * 
  */
     __Pyx_XDECREF(__pyx_r);
-    __pyx_t_1 = __Pyx_PyInt_From_u_int32_t(__pyx_v_self->_given_mark); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 133, __pyx_L1_error)
+    __pyx_t_1 = __Pyx_PyInt_From_u_int32_t(__pyx_v_self->_given_mark); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 136, __pyx_L1_error)
     __Pyx_GOTREF(__pyx_t_1);
     __pyx_r = __pyx_t_1;
     __pyx_t_1 = 0;
     goto __pyx_L0;
 
-    /* "netfilterqueue.pyx":132
+    /* "netfilterqueue.pyx":135
  * 
  *     cpdef get_mark(self):
  *         if self._mark_is_set:             # <<<<<<<<<<<<<<
@@ -3269,7 +3300,7 @@ static PyObject *__pyx_f_14netfilterqueue_6Packet_get_mark(struct __pyx_obj_14ne
  */
   }
 
-  /* "netfilterqueue.pyx":134
+  /* "netfilterqueue.pyx":137
  *         if self._mark_is_set:
  *             return self._given_mark
  *         return self.mark             # <<<<<<<<<<<<<<
@@ -3277,13 +3308,13 @@ static PyObject *__pyx_f_14netfilterqueue_6Packet_get_mark(struct __pyx_obj_14ne
  *     cpdef accept(self):
  */
   __Pyx_XDECREF(__pyx_r);
-  __pyx_t_1 = __Pyx_PyInt_From_u_int32_t(__pyx_v_self->mark); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 134, __pyx_L1_error)
+  __pyx_t_1 = __Pyx_PyInt_From_u_int32_t(__pyx_v_self->mark); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 137, __pyx_L1_error)
   __Pyx_GOTREF(__pyx_t_1);
   __pyx_r = __pyx_t_1;
   __pyx_t_1 = 0;
   goto __pyx_L0;
 
-  /* "netfilterqueue.pyx":131
+  /* "netfilterqueue.pyx":134
  *         self._mark_is_set = True
  * 
  *     cpdef get_mark(self):             # <<<<<<<<<<<<<<
@@ -3324,7 +3355,7 @@ static PyObject *__pyx_pf_14netfilterqueue_6Packet_16get_mark(struct __pyx_obj_1
   PyObject *__pyx_t_1 = NULL;
   __Pyx_RefNannySetupContext("get_mark", 0);
   __Pyx_XDECREF(__pyx_r);
-  __pyx_t_1 = __pyx_f_14netfilterqueue_6Packet_get_mark(__pyx_v_self, 1); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 131, __pyx_L1_error)
+  __pyx_t_1 = __pyx_f_14netfilterqueue_6Packet_get_mark(__pyx_v_self, 1); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 134, __pyx_L1_error)
   __Pyx_GOTREF(__pyx_t_1);
   __pyx_r = __pyx_t_1;
   __pyx_t_1 = 0;
@@ -3341,7 +3372,7 @@ static PyObject *__pyx_pf_14netfilterqueue_6Packet_16get_mark(struct __pyx_obj_1
   return __pyx_r;
 }
 
-/* "netfilterqueue.pyx":136
+/* "netfilterqueue.pyx":139
  *         return self.mark
  * 
  *     cpdef accept(self):             # <<<<<<<<<<<<<<
@@ -3362,7 +3393,7 @@ static PyObject *__pyx_f_14netfilterqueue_6Packet_accept(struct __pyx_obj_14netf
   if (unlikely(__pyx_skip_dispatch)) ;
   /* Check if overridden in Python */
   else if (unlikely(Py_TYPE(((PyObject *)__pyx_v_self))->tp_dictoffset != 0)) {
-    __pyx_t_1 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_self), __pyx_n_s_accept); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 136, __pyx_L1_error)
+    __pyx_t_1 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_self), __pyx_n_s_accept); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 139, __pyx_L1_error)
     __Pyx_GOTREF(__pyx_t_1);
     if (!PyCFunction_Check(__pyx_t_1) || (PyCFunction_GET_FUNCTION(__pyx_t_1) != (PyCFunction)__pyx_pw_14netfilterqueue_6Packet_19accept)) {
       __Pyx_XDECREF(__pyx_r);
@@ -3378,10 +3409,10 @@ static PyObject *__pyx_f_14netfilterqueue_6Packet_accept(struct __pyx_obj_14netf
         }
       }
       if (__pyx_t_4) {
-        __pyx_t_2 = __Pyx_PyObject_CallOneArg(__pyx_t_3, __pyx_t_4); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 136, __pyx_L1_error)
+        __pyx_t_2 = __Pyx_PyObject_CallOneArg(__pyx_t_3, __pyx_t_4); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 139, __pyx_L1_error)
         __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
       } else {
-        __pyx_t_2 = __Pyx_PyObject_CallNoArg(__pyx_t_3); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 136, __pyx_L1_error)
+        __pyx_t_2 = __Pyx_PyObject_CallNoArg(__pyx_t_3); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 139, __pyx_L1_error)
       }
       __Pyx_GOTREF(__pyx_t_2);
       __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
@@ -3393,7 +3424,7 @@ static PyObject *__pyx_f_14netfilterqueue_6Packet_accept(struct __pyx_obj_14netf
     __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
   }
 
-  /* "netfilterqueue.pyx":138
+  /* "netfilterqueue.pyx":141
  *     cpdef accept(self):
  *         """Accept the packet."""
  *         self.verdict(NF_ACCEPT)             # <<<<<<<<<<<<<<
@@ -3402,7 +3433,7 @@ static PyObject *__pyx_f_14netfilterqueue_6Packet_accept(struct __pyx_obj_14netf
  */
   ((struct __pyx_vtabstruct_14netfilterqueue_Packet *)__pyx_v_self->__pyx_vtab)->verdict(__pyx_v_self, __pyx_e_14netfilterqueue_NF_ACCEPT);
 
-  /* "netfilterqueue.pyx":136
+  /* "netfilterqueue.pyx":139
  *         return self.mark
  * 
  *     cpdef accept(self):             # <<<<<<<<<<<<<<
@@ -3446,7 +3477,7 @@ static PyObject *__pyx_pf_14netfilterqueue_6Packet_18accept(struct __pyx_obj_14n
   PyObject *__pyx_t_1 = NULL;
   __Pyx_RefNannySetupContext("accept", 0);
   __Pyx_XDECREF(__pyx_r);
-  __pyx_t_1 = __pyx_f_14netfilterqueue_6Packet_accept(__pyx_v_self, 1); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 136, __pyx_L1_error)
+  __pyx_t_1 = __pyx_f_14netfilterqueue_6Packet_accept(__pyx_v_self, 1); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 139, __pyx_L1_error)
   __Pyx_GOTREF(__pyx_t_1);
   __pyx_r = __pyx_t_1;
   __pyx_t_1 = 0;
@@ -3463,7 +3494,7 @@ static PyObject *__pyx_pf_14netfilterqueue_6Packet_18accept(struct __pyx_obj_14n
   return __pyx_r;
 }
 
-/* "netfilterqueue.pyx":140
+/* "netfilterqueue.pyx":143
  *         self.verdict(NF_ACCEPT)
  * 
  *     cpdef drop(self):             # <<<<<<<<<<<<<<
@@ -3484,7 +3515,7 @@ static PyObject *__pyx_f_14netfilterqueue_6Packet_drop(struct __pyx_obj_14netfil
   if (unlikely(__pyx_skip_dispatch)) ;
   /* Check if overridden in Python */
   else if (unlikely(Py_TYPE(((PyObject *)__pyx_v_self))->tp_dictoffset != 0)) {
-    __pyx_t_1 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_self), __pyx_n_s_drop); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 140, __pyx_L1_error)
+    __pyx_t_1 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_self), __pyx_n_s_drop); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 143, __pyx_L1_error)
     __Pyx_GOTREF(__pyx_t_1);
     if (!PyCFunction_Check(__pyx_t_1) || (PyCFunction_GET_FUNCTION(__pyx_t_1) != (PyCFunction)__pyx_pw_14netfilterqueue_6Packet_21drop)) {
       __Pyx_XDECREF(__pyx_r);
@@ -3500,10 +3531,10 @@ static PyObject *__pyx_f_14netfilterqueue_6Packet_drop(struct __pyx_obj_14netfil
         }
       }
       if (__pyx_t_4) {
-        __pyx_t_2 = __Pyx_PyObject_CallOneArg(__pyx_t_3, __pyx_t_4); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 140, __pyx_L1_error)
+        __pyx_t_2 = __Pyx_PyObject_CallOneArg(__pyx_t_3, __pyx_t_4); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 143, __pyx_L1_error)
         __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
       } else {
-        __pyx_t_2 = __Pyx_PyObject_CallNoArg(__pyx_t_3); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 140, __pyx_L1_error)
+        __pyx_t_2 = __Pyx_PyObject_CallNoArg(__pyx_t_3); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 143, __pyx_L1_error)
       }
       __Pyx_GOTREF(__pyx_t_2);
       __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
@@ -3515,7 +3546,7 @@ static PyObject *__pyx_f_14netfilterqueue_6Packet_drop(struct __pyx_obj_14netfil
     __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
   }
 
-  /* "netfilterqueue.pyx":142
+  /* "netfilterqueue.pyx":145
  *     cpdef drop(self):
  *         """Drop the packet."""
  *         self.verdict(NF_DROP)             # <<<<<<<<<<<<<<
@@ -3524,7 +3555,7 @@ static PyObject *__pyx_f_14netfilterqueue_6Packet_drop(struct __pyx_obj_14netfil
  */
   ((struct __pyx_vtabstruct_14netfilterqueue_Packet *)__pyx_v_self->__pyx_vtab)->verdict(__pyx_v_self, __pyx_e_14netfilterqueue_NF_DROP);
 
-  /* "netfilterqueue.pyx":140
+  /* "netfilterqueue.pyx":143
  *         self.verdict(NF_ACCEPT)
  * 
  *     cpdef drop(self):             # <<<<<<<<<<<<<<
@@ -3568,7 +3599,7 @@ static PyObject *__pyx_pf_14netfilterqueue_6Packet_20drop(struct __pyx_obj_14net
   PyObject *__pyx_t_1 = NULL;
   __Pyx_RefNannySetupContext("drop", 0);
   __Pyx_XDECREF(__pyx_r);
-  __pyx_t_1 = __pyx_f_14netfilterqueue_6Packet_drop(__pyx_v_self, 1); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 140, __pyx_L1_error)
+  __pyx_t_1 = __pyx_f_14netfilterqueue_6Packet_drop(__pyx_v_self, 1); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 143, __pyx_L1_error)
   __Pyx_GOTREF(__pyx_t_1);
   __pyx_r = __pyx_t_1;
   __pyx_t_1 = 0;
@@ -3585,7 +3616,7 @@ static PyObject *__pyx_pf_14netfilterqueue_6Packet_20drop(struct __pyx_obj_14net
   return __pyx_r;
 }
 
-/* "netfilterqueue.pyx":144
+/* "netfilterqueue.pyx":147
  *         self.verdict(NF_DROP)
  * 
  *     cpdef repeat(self):             # <<<<<<<<<<<<<<
@@ -3606,7 +3637,7 @@ static PyObject *__pyx_f_14netfilterqueue_6Packet_repeat(struct __pyx_obj_14netf
   if (unlikely(__pyx_skip_dispatch)) ;
   /* Check if overridden in Python */
   else if (unlikely(Py_TYPE(((PyObject *)__pyx_v_self))->tp_dictoffset != 0)) {
-    __pyx_t_1 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_self), __pyx_n_s_repeat); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 144, __pyx_L1_error)
+    __pyx_t_1 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_self), __pyx_n_s_repeat); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 147, __pyx_L1_error)
     __Pyx_GOTREF(__pyx_t_1);
     if (!PyCFunction_Check(__pyx_t_1) || (PyCFunction_GET_FUNCTION(__pyx_t_1) != (PyCFunction)__pyx_pw_14netfilterqueue_6Packet_23repeat)) {
       __Pyx_XDECREF(__pyx_r);
@@ -3622,10 +3653,10 @@ static PyObject *__pyx_f_14netfilterqueue_6Packet_repeat(struct __pyx_obj_14netf
         }
       }
       if (__pyx_t_4) {
-        __pyx_t_2 = __Pyx_PyObject_CallOneArg(__pyx_t_3, __pyx_t_4); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 144, __pyx_L1_error)
+        __pyx_t_2 = __Pyx_PyObject_CallOneArg(__pyx_t_3, __pyx_t_4); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 147, __pyx_L1_error)
         __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
       } else {
-        __pyx_t_2 = __Pyx_PyObject_CallNoArg(__pyx_t_3); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 144, __pyx_L1_error)
+        __pyx_t_2 = __Pyx_PyObject_CallNoArg(__pyx_t_3); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 147, __pyx_L1_error)
       }
       __Pyx_GOTREF(__pyx_t_2);
       __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
@@ -3637,7 +3668,7 @@ static PyObject *__pyx_f_14netfilterqueue_6Packet_repeat(struct __pyx_obj_14netf
     __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
   }
 
-  /* "netfilterqueue.pyx":146
+  /* "netfilterqueue.pyx":149
  *     cpdef repeat(self):
  *         """Repeat the packet."""
  *         self.verdict(NF_REPEAT)             # <<<<<<<<<<<<<<
@@ -3646,7 +3677,7 @@ static PyObject *__pyx_f_14netfilterqueue_6Packet_repeat(struct __pyx_obj_14netf
  */
   ((struct __pyx_vtabstruct_14netfilterqueue_Packet *)__pyx_v_self->__pyx_vtab)->verdict(__pyx_v_self, __pyx_e_14netfilterqueue_NF_REPEAT);
 
-  /* "netfilterqueue.pyx":144
+  /* "netfilterqueue.pyx":147
  *         self.verdict(NF_DROP)
  * 
  *     cpdef repeat(self):             # <<<<<<<<<<<<<<
@@ -3690,7 +3721,7 @@ static PyObject *__pyx_pf_14netfilterqueue_6Packet_22repeat(struct __pyx_obj_14n
   PyObject *__pyx_t_1 = NULL;
   __Pyx_RefNannySetupContext("repeat", 0);
   __Pyx_XDECREF(__pyx_r);
-  __pyx_t_1 = __pyx_f_14netfilterqueue_6Packet_repeat(__pyx_v_self, 1); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 144, __pyx_L1_error)
+  __pyx_t_1 = __pyx_f_14netfilterqueue_6Packet_repeat(__pyx_v_self, 1); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 147, __pyx_L1_error)
   __Pyx_GOTREF(__pyx_t_1);
   __pyx_r = __pyx_t_1;
   __pyx_t_1 = 0;
@@ -3927,7 +3958,7 @@ static PyObject *__pyx_pf_14netfilterqueue_6Packet_7payload___get__(struct __pyx
   return __pyx_r;
 }
 
-/* "netfilterqueue.pyx":150
+/* "netfilterqueue.pyx":153
  * cdef class NetfilterQueue:
  *     """Handle a single numbered queue."""
  *     def __cinit__(self, *args, **kwargs):             # <<<<<<<<<<<<<<
@@ -3966,23 +3997,23 @@ static int __pyx_pf_14netfilterqueue_14NetfilterQueue___cinit__(struct __pyx_obj
   int __pyx_t_4;
   __Pyx_RefNannySetupContext("__cinit__", 0);
 
-  /* "netfilterqueue.pyx":151
+  /* "netfilterqueue.pyx":154
  *     """Handle a single numbered queue."""
  *     def __cinit__(self, *args, **kwargs):
  *         self.af = kwargs.get("af", PF_INET)             # <<<<<<<<<<<<<<
  * 
  *         self.h = nfq_open()
  */
-  __pyx_t_1 = __Pyx_PyInt_From_int(__pyx_e_14netfilterqueue_PF_INET); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 151, __pyx_L1_error)
+  __pyx_t_1 = __Pyx_PyInt_From_int(__pyx_e_14netfilterqueue_PF_INET); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 154, __pyx_L1_error)
   __Pyx_GOTREF(__pyx_t_1);
-  __pyx_t_2 = __Pyx_PyDict_GetItemDefault(__pyx_v_kwargs, __pyx_n_s_af, __pyx_t_1); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 151, __pyx_L1_error)
+  __pyx_t_2 = __Pyx_PyDict_GetItemDefault(__pyx_v_kwargs, __pyx_n_s_af, __pyx_t_1); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 154, __pyx_L1_error)
   __Pyx_GOTREF(__pyx_t_2);
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
-  __pyx_t_3 = __Pyx_PyInt_As_u_int16_t(__pyx_t_2); if (unlikely((__pyx_t_3 == ((u_int16_t)-1)) && PyErr_Occurred())) __PYX_ERR(0, 151, __pyx_L1_error)
+  __pyx_t_3 = __Pyx_PyInt_As_u_int16_t(__pyx_t_2); if (unlikely((__pyx_t_3 == ((u_int16_t)-1)) && PyErr_Occurred())) __PYX_ERR(0, 154, __pyx_L1_error)
   __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
   __pyx_v_self->af = __pyx_t_3;
 
-  /* "netfilterqueue.pyx":153
+  /* "netfilterqueue.pyx":156
  *         self.af = kwargs.get("af", PF_INET)
  * 
  *         self.h = nfq_open()             # <<<<<<<<<<<<<<
@@ -3991,7 +4022,7 @@ static int __pyx_pf_14netfilterqueue_14NetfilterQueue___cinit__(struct __pyx_obj
  */
   __pyx_v_self->h = nfq_open();
 
-  /* "netfilterqueue.pyx":154
+  /* "netfilterqueue.pyx":157
  * 
  *         self.h = nfq_open()
  *         if self.h == NULL:             # <<<<<<<<<<<<<<
@@ -4001,20 +4032,20 @@ static int __pyx_pf_14netfilterqueue_14NetfilterQueue___cinit__(struct __pyx_obj
   __pyx_t_4 = ((__pyx_v_self->h == NULL) != 0);
   if (__pyx_t_4) {
 
-    /* "netfilterqueue.pyx":155
+    /* "netfilterqueue.pyx":158
  *         self.h = nfq_open()
  *         if self.h == NULL:
  *             raise OSError("Failed to open NFQueue.")             # <<<<<<<<<<<<<<
  *         nfq_unbind_pf(self.h, self.af) # This does NOT kick out previous
  *             # running queues
  */
-    __pyx_t_2 = __Pyx_PyObject_Call(__pyx_builtin_OSError, __pyx_tuple__3, NULL); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 155, __pyx_L1_error)
+    __pyx_t_2 = __Pyx_PyObject_Call(__pyx_builtin_OSError, __pyx_tuple__3, NULL); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 158, __pyx_L1_error)
     __Pyx_GOTREF(__pyx_t_2);
     __Pyx_Raise(__pyx_t_2, 0, 0, 0);
     __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
-    __PYX_ERR(0, 155, __pyx_L1_error)
+    __PYX_ERR(0, 158, __pyx_L1_error)
 
-    /* "netfilterqueue.pyx":154
+    /* "netfilterqueue.pyx":157
  * 
  *         self.h = nfq_open()
  *         if self.h == NULL:             # <<<<<<<<<<<<<<
@@ -4023,7 +4054,7 @@ static int __pyx_pf_14netfilterqueue_14NetfilterQueue___cinit__(struct __pyx_obj
  */
   }
 
-  /* "netfilterqueue.pyx":156
+  /* "netfilterqueue.pyx":159
  *         if self.h == NULL:
  *             raise OSError("Failed to open NFQueue.")
  *         nfq_unbind_pf(self.h, self.af) # This does NOT kick out previous             # <<<<<<<<<<<<<<
@@ -4032,7 +4063,7 @@ static int __pyx_pf_14netfilterqueue_14NetfilterQueue___cinit__(struct __pyx_obj
  */
   nfq_unbind_pf(__pyx_v_self->h, __pyx_v_self->af);
 
-  /* "netfilterqueue.pyx":158
+  /* "netfilterqueue.pyx":161
  *         nfq_unbind_pf(self.h, self.af) # This does NOT kick out previous
  *             # running queues
  *         if nfq_bind_pf(self.h, self.af) < 0:             # <<<<<<<<<<<<<<
@@ -4042,31 +4073,31 @@ static int __pyx_pf_14netfilterqueue_14NetfilterQueue___cinit__(struct __pyx_obj
   __pyx_t_4 = ((nfq_bind_pf(__pyx_v_self->h, __pyx_v_self->af) < 0) != 0);
   if (__pyx_t_4) {
 
-    /* "netfilterqueue.pyx":159
+    /* "netfilterqueue.pyx":162
  *             # running queues
  *         if nfq_bind_pf(self.h, self.af) < 0:
  *             raise OSError("Failed to bind family %s. Are you root?" % self.af)             # <<<<<<<<<<<<<<
  * 
  *     def __dealloc__(self):
  */
-    __pyx_t_2 = __Pyx_PyInt_From_u_int16_t(__pyx_v_self->af); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 159, __pyx_L1_error)
+    __pyx_t_2 = __Pyx_PyInt_From_u_int16_t(__pyx_v_self->af); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 162, __pyx_L1_error)
     __Pyx_GOTREF(__pyx_t_2);
-    __pyx_t_1 = __Pyx_PyString_Format(__pyx_kp_s_Failed_to_bind_family_s_Are_you, __pyx_t_2); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 159, __pyx_L1_error)
+    __pyx_t_1 = __Pyx_PyString_Format(__pyx_kp_s_Failed_to_bind_family_s_Are_you, __pyx_t_2); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 162, __pyx_L1_error)
     __Pyx_GOTREF(__pyx_t_1);
     __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
-    __pyx_t_2 = PyTuple_New(1); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 159, __pyx_L1_error)
+    __pyx_t_2 = PyTuple_New(1); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 162, __pyx_L1_error)
     __Pyx_GOTREF(__pyx_t_2);
     __Pyx_GIVEREF(__pyx_t_1);
     PyTuple_SET_ITEM(__pyx_t_2, 0, __pyx_t_1);
     __pyx_t_1 = 0;
-    __pyx_t_1 = __Pyx_PyObject_Call(__pyx_builtin_OSError, __pyx_t_2, NULL); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 159, __pyx_L1_error)
+    __pyx_t_1 = __Pyx_PyObject_Call(__pyx_builtin_OSError, __pyx_t_2, NULL); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 162, __pyx_L1_error)
     __Pyx_GOTREF(__pyx_t_1);
     __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
     __Pyx_Raise(__pyx_t_1, 0, 0, 0);
     __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
-    __PYX_ERR(0, 159, __pyx_L1_error)
+    __PYX_ERR(0, 162, __pyx_L1_error)
 
-    /* "netfilterqueue.pyx":158
+    /* "netfilterqueue.pyx":161
  *         nfq_unbind_pf(self.h, self.af) # This does NOT kick out previous
  *             # running queues
  *         if nfq_bind_pf(self.h, self.af) < 0:             # <<<<<<<<<<<<<<
@@ -4075,7 +4106,7 @@ static int __pyx_pf_14netfilterqueue_14NetfilterQueue___cinit__(struct __pyx_obj
  */
   }
 
-  /* "netfilterqueue.pyx":150
+  /* "netfilterqueue.pyx":153
  * cdef class NetfilterQueue:
  *     """Handle a single numbered queue."""
  *     def __cinit__(self, *args, **kwargs):             # <<<<<<<<<<<<<<
@@ -4096,7 +4127,7 @@ static int __pyx_pf_14netfilterqueue_14NetfilterQueue___cinit__(struct __pyx_obj
   return __pyx_r;
 }
 
-/* "netfilterqueue.pyx":161
+/* "netfilterqueue.pyx":164
  *             raise OSError("Failed to bind family %s. Are you root?" % self.af)
  * 
  *     def __dealloc__(self):             # <<<<<<<<<<<<<<
@@ -4120,7 +4151,7 @@ static void __pyx_pf_14netfilterqueue_14NetfilterQueue_2__dealloc__(struct __pyx
   int __pyx_t_1;
   __Pyx_RefNannySetupContext("__dealloc__", 0);
 
-  /* "netfilterqueue.pyx":162
+  /* "netfilterqueue.pyx":165
  * 
  *     def __dealloc__(self):
  *         if self.qh != NULL:             # <<<<<<<<<<<<<<
@@ -4130,7 +4161,7 @@ static void __pyx_pf_14netfilterqueue_14NetfilterQueue_2__dealloc__(struct __pyx
   __pyx_t_1 = ((__pyx_v_self->qh != NULL) != 0);
   if (__pyx_t_1) {
 
-    /* "netfilterqueue.pyx":163
+    /* "netfilterqueue.pyx":166
  *     def __dealloc__(self):
  *         if self.qh != NULL:
  *             nfq_destroy_queue(self.qh)             # <<<<<<<<<<<<<<
@@ -4139,7 +4170,7 @@ static void __pyx_pf_14netfilterqueue_14NetfilterQueue_2__dealloc__(struct __pyx
  */
     nfq_destroy_queue(__pyx_v_self->qh);
 
-    /* "netfilterqueue.pyx":162
+    /* "netfilterqueue.pyx":165
  * 
  *     def __dealloc__(self):
  *         if self.qh != NULL:             # <<<<<<<<<<<<<<
@@ -4148,7 +4179,7 @@ static void __pyx_pf_14netfilterqueue_14NetfilterQueue_2__dealloc__(struct __pyx
  */
   }
 
-  /* "netfilterqueue.pyx":166
+  /* "netfilterqueue.pyx":169
  *         # Don't call nfq_unbind_pf unless you want to disconnect any other
  *         # processes using this libnetfilter_queue on this protocol family!
  *         nfq_close(self.h)             # <<<<<<<<<<<<<<
@@ -4157,7 +4188,7 @@ static void __pyx_pf_14netfilterqueue_14NetfilterQueue_2__dealloc__(struct __pyx
  */
   nfq_close(__pyx_v_self->h);
 
-  /* "netfilterqueue.pyx":161
+  /* "netfilterqueue.pyx":164
  *             raise OSError("Failed to bind family %s. Are you root?" % self.af)
  * 
  *     def __dealloc__(self):             # <<<<<<<<<<<<<<
@@ -4169,7 +4200,7 @@ static void __pyx_pf_14netfilterqueue_14NetfilterQueue_2__dealloc__(struct __pyx
   __Pyx_RefNannyFinishContext();
 }
 
-/* "netfilterqueue.pyx":168
+/* "netfilterqueue.pyx":171
  *         nfq_close(self.h)
  * 
  *     def bind(self, int queue_num, object user_callback,             # <<<<<<<<<<<<<<
@@ -4214,7 +4245,7 @@ static PyObject *__pyx_pw_14netfilterqueue_14NetfilterQueue_5bind(PyObject *__py
         case  1:
         if (likely((values[1] = PyDict_GetItem(__pyx_kwds, __pyx_n_s_user_callback)) != 0)) kw_args--;
         else {
-          __Pyx_RaiseArgtupleInvalid("bind", 0, 2, 6, 1); __PYX_ERR(0, 168, __pyx_L3_error)
+          __Pyx_RaiseArgtupleInvalid("bind", 0, 2, 6, 1); __PYX_ERR(0, 171, __pyx_L3_error)
         }
         case  2:
         if (kw_args > 0) {
@@ -4238,7 +4269,7 @@ static PyObject *__pyx_pw_14netfilterqueue_14NetfilterQueue_5bind(PyObject *__py
         }
       }
       if (unlikely(kw_args > 0)) {
-        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "bind") < 0)) __PYX_ERR(0, 168, __pyx_L3_error)
+        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "bind") < 0)) __PYX_ERR(0, 171, __pyx_L3_error)
       }
     } else {
       switch (PyTuple_GET_SIZE(__pyx_args)) {
@@ -4252,32 +4283,32 @@ static PyObject *__pyx_pw_14netfilterqueue_14NetfilterQueue_5bind(PyObject *__py
         default: goto __pyx_L5_argtuple_error;
       }
     }
-    __pyx_v_queue_num = __Pyx_PyInt_As_int(values[0]); if (unlikely((__pyx_v_queue_num == (int)-1) && PyErr_Occurred())) __PYX_ERR(0, 168, __pyx_L3_error)
+    __pyx_v_queue_num = __Pyx_PyInt_As_int(values[0]); if (unlikely((__pyx_v_queue_num == (int)-1) && PyErr_Occurred())) __PYX_ERR(0, 171, __pyx_L3_error)
     __pyx_v_user_callback = values[1];
     if (values[2]) {
-      __pyx_v_max_len = __Pyx_PyInt_As_u_int32_t(values[2]); if (unlikely((__pyx_v_max_len == ((u_int32_t)-1)) && PyErr_Occurred())) __PYX_ERR(0, 169, __pyx_L3_error)
+      __pyx_v_max_len = __Pyx_PyInt_As_u_int32_t(values[2]); if (unlikely((__pyx_v_max_len == ((u_int32_t)-1)) && PyErr_Occurred())) __PYX_ERR(0, 172, __pyx_L3_error)
     } else {
       __pyx_v_max_len = ((u_int32_t)0x400);
     }
     if (values[3]) {
-      __pyx_v_mode = __Pyx_PyInt_As_u_int8_t(values[3]); if (unlikely((__pyx_v_mode == ((u_int8_t)-1)) && PyErr_Occurred())) __PYX_ERR(0, 170, __pyx_L3_error)
+      __pyx_v_mode = __Pyx_PyInt_As_u_int8_t(values[3]); if (unlikely((__pyx_v_mode == ((u_int8_t)-1)) && PyErr_Occurred())) __PYX_ERR(0, 173, __pyx_L3_error)
     } else {
       __pyx_v_mode = __pyx_k__4;
     }
     if (values[4]) {
-      __pyx_v_range = __Pyx_PyInt_As_u_int32_t(values[4]); if (unlikely((__pyx_v_range == ((u_int32_t)-1)) && PyErr_Occurred())) __PYX_ERR(0, 171, __pyx_L3_error)
+      __pyx_v_range = __Pyx_PyInt_As_u_int32_t(values[4]); if (unlikely((__pyx_v_range == ((u_int32_t)-1)) && PyErr_Occurred())) __PYX_ERR(0, 174, __pyx_L3_error)
     } else {
       __pyx_v_range = ((u_int32_t)0xFFFF);
     }
     if (values[5]) {
-      __pyx_v_sock_len = __Pyx_PyInt_As_u_int32_t(values[5]); if (unlikely((__pyx_v_sock_len == ((u_int32_t)-1)) && PyErr_Occurred())) __PYX_ERR(0, 172, __pyx_L3_error)
+      __pyx_v_sock_len = __Pyx_PyInt_As_u_int32_t(values[5]); if (unlikely((__pyx_v_sock_len == ((u_int32_t)-1)) && PyErr_Occurred())) __PYX_ERR(0, 175, __pyx_L3_error)
     } else {
       __pyx_v_sock_len = ((u_int32_t)0x257800);
     }
   }
   goto __pyx_L4_argument_unpacking_done;
   __pyx_L5_argtuple_error:;
-  __Pyx_RaiseArgtupleInvalid("bind", 0, 2, 6, PyTuple_GET_SIZE(__pyx_args)); __PYX_ERR(0, 168, __pyx_L3_error)
+  __Pyx_RaiseArgtupleInvalid("bind", 0, 2, 6, PyTuple_GET_SIZE(__pyx_args)); __PYX_ERR(0, 171, __pyx_L3_error)
   __pyx_L3_error:;
   __Pyx_AddTraceback("netfilterqueue.NetfilterQueue.bind", __pyx_clineno, __pyx_lineno, __pyx_filename);
   __Pyx_RefNannyFinishContext();
@@ -4300,7 +4331,7 @@ static PyObject *__pyx_pf_14netfilterqueue_14NetfilterQueue_4bind(struct __pyx_o
   PyObject *__pyx_t_4 = NULL;
   __Pyx_RefNannySetupContext("bind", 0);
 
-  /* "netfilterqueue.pyx":175
+  /* "netfilterqueue.pyx":178
  *         """Create and bind to a new queue."""
  *         cdef unsigned int newsiz
  *         self.user_callback = user_callback             # <<<<<<<<<<<<<<
@@ -4313,7 +4344,7 @@ static PyObject *__pyx_pf_14netfilterqueue_14NetfilterQueue_4bind(struct __pyx_o
   __Pyx_DECREF(__pyx_v_self->user_callback);
   __pyx_v_self->user_callback = __pyx_v_user_callback;
 
-  /* "netfilterqueue.pyx":176
+  /* "netfilterqueue.pyx":179
  *         cdef unsigned int newsiz
  *         self.user_callback = user_callback
  *         self.qh = nfq_create_queue(self.h, queue_num,             # <<<<<<<<<<<<<<
@@ -4322,7 +4353,7 @@ static PyObject *__pyx_pf_14netfilterqueue_14NetfilterQueue_4bind(struct __pyx_o
  */
   __pyx_v_self->qh = nfq_create_queue(__pyx_v_self->h, __pyx_v_queue_num, ((nfq_callback *)__pyx_f_14netfilterqueue_global_callback), ((void *)__pyx_v_self));
 
-  /* "netfilterqueue.pyx":178
+  /* "netfilterqueue.pyx":181
  *         self.qh = nfq_create_queue(self.h, queue_num,
  *                                    <nfq_callback*>global_callback, <void*>self)
  *         if self.qh == NULL:             # <<<<<<<<<<<<<<
@@ -4332,31 +4363,31 @@ static PyObject *__pyx_pf_14netfilterqueue_14NetfilterQueue_4bind(struct __pyx_o
   __pyx_t_1 = ((__pyx_v_self->qh == NULL) != 0);
   if (__pyx_t_1) {
 
-    /* "netfilterqueue.pyx":179
+    /* "netfilterqueue.pyx":182
  *                                    <nfq_callback*>global_callback, <void*>self)
  *         if self.qh == NULL:
  *             raise OSError("Failed to create queue %s." % queue_num)             # <<<<<<<<<<<<<<
  * 
  *         if range > MaxCopySize:
  */
-    __pyx_t_2 = __Pyx_PyInt_From_int(__pyx_v_queue_num); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 179, __pyx_L1_error)
+    __pyx_t_2 = __Pyx_PyInt_From_int(__pyx_v_queue_num); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 182, __pyx_L1_error)
     __Pyx_GOTREF(__pyx_t_2);
-    __pyx_t_3 = __Pyx_PyString_Format(__pyx_kp_s_Failed_to_create_queue_s, __pyx_t_2); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 179, __pyx_L1_error)
+    __pyx_t_3 = __Pyx_PyString_Format(__pyx_kp_s_Failed_to_create_queue_s, __pyx_t_2); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 182, __pyx_L1_error)
     __Pyx_GOTREF(__pyx_t_3);
     __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
-    __pyx_t_2 = PyTuple_New(1); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 179, __pyx_L1_error)
+    __pyx_t_2 = PyTuple_New(1); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 182, __pyx_L1_error)
     __Pyx_GOTREF(__pyx_t_2);
     __Pyx_GIVEREF(__pyx_t_3);
     PyTuple_SET_ITEM(__pyx_t_2, 0, __pyx_t_3);
     __pyx_t_3 = 0;
-    __pyx_t_3 = __Pyx_PyObject_Call(__pyx_builtin_OSError, __pyx_t_2, NULL); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 179, __pyx_L1_error)
+    __pyx_t_3 = __Pyx_PyObject_Call(__pyx_builtin_OSError, __pyx_t_2, NULL); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 182, __pyx_L1_error)
     __Pyx_GOTREF(__pyx_t_3);
     __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
     __Pyx_Raise(__pyx_t_3, 0, 0, 0);
     __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-    __PYX_ERR(0, 179, __pyx_L1_error)
+    __PYX_ERR(0, 182, __pyx_L1_error)
 
-    /* "netfilterqueue.pyx":178
+    /* "netfilterqueue.pyx":181
  *         self.qh = nfq_create_queue(self.h, queue_num,
  *                                    <nfq_callback*>global_callback, <void*>self)
  *         if self.qh == NULL:             # <<<<<<<<<<<<<<
@@ -4365,7 +4396,7 @@ static PyObject *__pyx_pf_14netfilterqueue_14NetfilterQueue_4bind(struct __pyx_o
  */
   }
 
-  /* "netfilterqueue.pyx":181
+  /* "netfilterqueue.pyx":184
  *             raise OSError("Failed to create queue %s." % queue_num)
  * 
  *         if range > MaxCopySize:             # <<<<<<<<<<<<<<
@@ -4375,7 +4406,7 @@ static PyObject *__pyx_pf_14netfilterqueue_14NetfilterQueue_4bind(struct __pyx_o
   __pyx_t_1 = ((__pyx_v_range > 0xFB0) != 0);
   if (__pyx_t_1) {
 
-    /* "netfilterqueue.pyx":182
+    /* "netfilterqueue.pyx":185
  * 
  *         if range > MaxCopySize:
  *             range = MaxCopySize             # <<<<<<<<<<<<<<
@@ -4384,7 +4415,7 @@ static PyObject *__pyx_pf_14netfilterqueue_14NetfilterQueue_4bind(struct __pyx_o
  */
     __pyx_v_range = 0xFB0;
 
-    /* "netfilterqueue.pyx":181
+    /* "netfilterqueue.pyx":184
  *             raise OSError("Failed to create queue %s." % queue_num)
  * 
  *         if range > MaxCopySize:             # <<<<<<<<<<<<<<
@@ -4393,7 +4424,7 @@ static PyObject *__pyx_pf_14netfilterqueue_14NetfilterQueue_4bind(struct __pyx_o
  */
   }
 
-  /* "netfilterqueue.pyx":183
+  /* "netfilterqueue.pyx":186
  *         if range > MaxCopySize:
  *             range = MaxCopySize
  *         if nfq_set_mode(self.qh, mode, range) < 0:             # <<<<<<<<<<<<<<
@@ -4403,20 +4434,20 @@ static PyObject *__pyx_pf_14netfilterqueue_14NetfilterQueue_4bind(struct __pyx_o
   __pyx_t_1 = ((nfq_set_mode(__pyx_v_self->qh, __pyx_v_mode, __pyx_v_range) < 0) != 0);
   if (__pyx_t_1) {
 
-    /* "netfilterqueue.pyx":184
+    /* "netfilterqueue.pyx":187
  *             range = MaxCopySize
  *         if nfq_set_mode(self.qh, mode, range) < 0:
  *             raise OSError("Failed to set packet copy mode.")             # <<<<<<<<<<<<<<
  * 
  *         nfq_set_queue_maxlen(self.qh, max_len)
  */
-    __pyx_t_3 = __Pyx_PyObject_Call(__pyx_builtin_OSError, __pyx_tuple__5, NULL); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 184, __pyx_L1_error)
+    __pyx_t_3 = __Pyx_PyObject_Call(__pyx_builtin_OSError, __pyx_tuple__5, NULL); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 187, __pyx_L1_error)
     __Pyx_GOTREF(__pyx_t_3);
     __Pyx_Raise(__pyx_t_3, 0, 0, 0);
     __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-    __PYX_ERR(0, 184, __pyx_L1_error)
+    __PYX_ERR(0, 187, __pyx_L1_error)
 
-    /* "netfilterqueue.pyx":183
+    /* "netfilterqueue.pyx":186
  *         if range > MaxCopySize:
  *             range = MaxCopySize
  *         if nfq_set_mode(self.qh, mode, range) < 0:             # <<<<<<<<<<<<<<
@@ -4425,7 +4456,7 @@ static PyObject *__pyx_pf_14netfilterqueue_14NetfilterQueue_4bind(struct __pyx_o
  */
   }
 
-  /* "netfilterqueue.pyx":186
+  /* "netfilterqueue.pyx":189
  *             raise OSError("Failed to set packet copy mode.")
  * 
  *         nfq_set_queue_maxlen(self.qh, max_len)             # <<<<<<<<<<<<<<
@@ -4434,7 +4465,7 @@ static PyObject *__pyx_pf_14netfilterqueue_14NetfilterQueue_4bind(struct __pyx_o
  */
   nfq_set_queue_maxlen(__pyx_v_self->qh, __pyx_v_max_len);
 
-  /* "netfilterqueue.pyx":188
+  /* "netfilterqueue.pyx":191
  *         nfq_set_queue_maxlen(self.qh, max_len)
  * 
  *         newsiz = nfnl_rcvbufsiz(nfq_nfnlh(self.h),sock_len)             # <<<<<<<<<<<<<<
@@ -4443,7 +4474,7 @@ static PyObject *__pyx_pf_14netfilterqueue_14NetfilterQueue_4bind(struct __pyx_o
  */
   __pyx_v_newsiz = nfnl_rcvbufsiz(nfq_nfnlh(__pyx_v_self->h), __pyx_v_sock_len);
 
-  /* "netfilterqueue.pyx":189
+  /* "netfilterqueue.pyx":192
  * 
  *         newsiz = nfnl_rcvbufsiz(nfq_nfnlh(self.h),sock_len)
  *         if newsiz != sock_len*2:             # <<<<<<<<<<<<<<
@@ -4453,18 +4484,18 @@ static PyObject *__pyx_pf_14netfilterqueue_14NetfilterQueue_4bind(struct __pyx_o
   __pyx_t_1 = ((__pyx_v_newsiz != (__pyx_v_sock_len * 2)) != 0);
   if (__pyx_t_1) {
 
-    /* "netfilterqueue.pyx":190
+    /* "netfilterqueue.pyx":193
  *         newsiz = nfnl_rcvbufsiz(nfq_nfnlh(self.h),sock_len)
  *         if newsiz != sock_len*2:
  *             raise RuntimeWarning("Socket rcvbuf limit is now %d, requested %d." % (newsiz,sock_len))             # <<<<<<<<<<<<<<
  * 
  *     def unbind(self):
  */
-    __pyx_t_3 = __Pyx_PyInt_From_unsigned_int(__pyx_v_newsiz); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 190, __pyx_L1_error)
+    __pyx_t_3 = __Pyx_PyInt_From_unsigned_int(__pyx_v_newsiz); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 193, __pyx_L1_error)
     __Pyx_GOTREF(__pyx_t_3);
-    __pyx_t_2 = __Pyx_PyInt_From_u_int32_t(__pyx_v_sock_len); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 190, __pyx_L1_error)
+    __pyx_t_2 = __Pyx_PyInt_From_u_int32_t(__pyx_v_sock_len); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 193, __pyx_L1_error)
     __Pyx_GOTREF(__pyx_t_2);
-    __pyx_t_4 = PyTuple_New(2); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 190, __pyx_L1_error)
+    __pyx_t_4 = PyTuple_New(2); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 193, __pyx_L1_error)
     __Pyx_GOTREF(__pyx_t_4);
     __Pyx_GIVEREF(__pyx_t_3);
     PyTuple_SET_ITEM(__pyx_t_4, 0, __pyx_t_3);
@@ -4472,22 +4503,22 @@ static PyObject *__pyx_pf_14netfilterqueue_14NetfilterQueue_4bind(struct __pyx_o
     PyTuple_SET_ITEM(__pyx_t_4, 1, __pyx_t_2);
     __pyx_t_3 = 0;
     __pyx_t_2 = 0;
-    __pyx_t_2 = __Pyx_PyString_Format(__pyx_kp_s_Socket_rcvbuf_limit_is_now_d_req, __pyx_t_4); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 190, __pyx_L1_error)
+    __pyx_t_2 = __Pyx_PyString_Format(__pyx_kp_s_Socket_rcvbuf_limit_is_now_d_req, __pyx_t_4); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 193, __pyx_L1_error)
     __Pyx_GOTREF(__pyx_t_2);
     __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
-    __pyx_t_4 = PyTuple_New(1); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 190, __pyx_L1_error)
+    __pyx_t_4 = PyTuple_New(1); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 193, __pyx_L1_error)
     __Pyx_GOTREF(__pyx_t_4);
     __Pyx_GIVEREF(__pyx_t_2);
     PyTuple_SET_ITEM(__pyx_t_4, 0, __pyx_t_2);
     __pyx_t_2 = 0;
-    __pyx_t_2 = __Pyx_PyObject_Call(__pyx_builtin_RuntimeWarning, __pyx_t_4, NULL); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 190, __pyx_L1_error)
+    __pyx_t_2 = __Pyx_PyObject_Call(__pyx_builtin_RuntimeWarning, __pyx_t_4, NULL); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 193, __pyx_L1_error)
     __Pyx_GOTREF(__pyx_t_2);
     __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
     __Pyx_Raise(__pyx_t_2, 0, 0, 0);
     __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
-    __PYX_ERR(0, 190, __pyx_L1_error)
+    __PYX_ERR(0, 193, __pyx_L1_error)
 
-    /* "netfilterqueue.pyx":189
+    /* "netfilterqueue.pyx":192
  * 
  *         newsiz = nfnl_rcvbufsiz(nfq_nfnlh(self.h),sock_len)
  *         if newsiz != sock_len*2:             # <<<<<<<<<<<<<<
@@ -4496,7 +4527,7 @@ static PyObject *__pyx_pf_14netfilterqueue_14NetfilterQueue_4bind(struct __pyx_o
  */
   }
 
-  /* "netfilterqueue.pyx":168
+  /* "netfilterqueue.pyx":171
  *         nfq_close(self.h)
  * 
  *     def bind(self, int queue_num, object user_callback,             # <<<<<<<<<<<<<<
@@ -4519,7 +4550,7 @@ static PyObject *__pyx_pf_14netfilterqueue_14NetfilterQueue_4bind(struct __pyx_o
   return __pyx_r;
 }
 
-/* "netfilterqueue.pyx":192
+/* "netfilterqueue.pyx":195
  *             raise RuntimeWarning("Socket rcvbuf limit is now %d, requested %d." % (newsiz,sock_len))
  * 
  *     def unbind(self):             # <<<<<<<<<<<<<<
@@ -4547,7 +4578,7 @@ static PyObject *__pyx_pf_14netfilterqueue_14NetfilterQueue_6unbind(struct __pyx
   int __pyx_t_1;
   __Pyx_RefNannySetupContext("unbind", 0);
 
-  /* "netfilterqueue.pyx":194
+  /* "netfilterqueue.pyx":197
  *     def unbind(self):
  *         """Destroy the queue."""
  *         if self.qh != NULL:             # <<<<<<<<<<<<<<
@@ -4557,7 +4588,7 @@ static PyObject *__pyx_pf_14netfilterqueue_14NetfilterQueue_6unbind(struct __pyx
   __pyx_t_1 = ((__pyx_v_self->qh != NULL) != 0);
   if (__pyx_t_1) {
 
-    /* "netfilterqueue.pyx":195
+    /* "netfilterqueue.pyx":198
  *         """Destroy the queue."""
  *         if self.qh != NULL:
  *             nfq_destroy_queue(self.qh)             # <<<<<<<<<<<<<<
@@ -4566,7 +4597,7 @@ static PyObject *__pyx_pf_14netfilterqueue_14NetfilterQueue_6unbind(struct __pyx
  */
     nfq_destroy_queue(__pyx_v_self->qh);
 
-    /* "netfilterqueue.pyx":194
+    /* "netfilterqueue.pyx":197
  *     def unbind(self):
  *         """Destroy the queue."""
  *         if self.qh != NULL:             # <<<<<<<<<<<<<<
@@ -4575,7 +4606,7 @@ static PyObject *__pyx_pf_14netfilterqueue_14NetfilterQueue_6unbind(struct __pyx
  */
   }
 
-  /* "netfilterqueue.pyx":196
+  /* "netfilterqueue.pyx":199
  *         if self.qh != NULL:
  *             nfq_destroy_queue(self.qh)
  *         self.qh = NULL             # <<<<<<<<<<<<<<
@@ -4584,7 +4615,7 @@ static PyObject *__pyx_pf_14netfilterqueue_14NetfilterQueue_6unbind(struct __pyx
  */
   __pyx_v_self->qh = NULL;
 
-  /* "netfilterqueue.pyx":192
+  /* "netfilterqueue.pyx":195
  *             raise RuntimeWarning("Socket rcvbuf limit is now %d, requested %d." % (newsiz,sock_len))
  * 
  *     def unbind(self):             # <<<<<<<<<<<<<<
@@ -4599,7 +4630,7 @@ static PyObject *__pyx_pf_14netfilterqueue_14NetfilterQueue_6unbind(struct __pyx
   return __pyx_r;
 }
 
-/* "netfilterqueue.pyx":199
+/* "netfilterqueue.pyx":202
  *         # See warning about nfq_unbind_pf in __dealloc__ above.
  * 
  *     def get_fd(self):             # <<<<<<<<<<<<<<
@@ -4627,7 +4658,7 @@ static PyObject *__pyx_pf_14netfilterqueue_14NetfilterQueue_8get_fd(struct __pyx
   PyObject *__pyx_t_1 = NULL;
   __Pyx_RefNannySetupContext("get_fd", 0);
 
-  /* "netfilterqueue.pyx":201
+  /* "netfilterqueue.pyx":204
  *     def get_fd(self):
  *         """Get the file descriptor of the queue handler."""
  *         return nfq_fd(self.h)             # <<<<<<<<<<<<<<
@@ -4635,13 +4666,13 @@ static PyObject *__pyx_pf_14netfilterqueue_14NetfilterQueue_8get_fd(struct __pyx
  *     def run(self, block=True):
  */
   __Pyx_XDECREF(__pyx_r);
-  __pyx_t_1 = __Pyx_PyInt_From_int(nfq_fd(__pyx_v_self->h)); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 201, __pyx_L1_error)
+  __pyx_t_1 = __Pyx_PyInt_From_int(nfq_fd(__pyx_v_self->h)); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 204, __pyx_L1_error)
   __Pyx_GOTREF(__pyx_t_1);
   __pyx_r = __pyx_t_1;
   __pyx_t_1 = 0;
   goto __pyx_L0;
 
-  /* "netfilterqueue.pyx":199
+  /* "netfilterqueue.pyx":202
  *         # See warning about nfq_unbind_pf in __dealloc__ above.
  * 
  *     def get_fd(self):             # <<<<<<<<<<<<<<
@@ -4660,7 +4691,7 @@ static PyObject *__pyx_pf_14netfilterqueue_14NetfilterQueue_8get_fd(struct __pyx
   return __pyx_r;
 }
 
-/* "netfilterqueue.pyx":203
+/* "netfilterqueue.pyx":206
  *         return nfq_fd(self.h)
  * 
  *     def run(self, block=True):             # <<<<<<<<<<<<<<
@@ -4697,7 +4728,7 @@ static PyObject *__pyx_pw_14netfilterqueue_14NetfilterQueue_11run(PyObject *__py
         }
       }
       if (unlikely(kw_args > 0)) {
-        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "run") < 0)) __PYX_ERR(0, 203, __pyx_L3_error)
+        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "run") < 0)) __PYX_ERR(0, 206, __pyx_L3_error)
       }
     } else {
       switch (PyTuple_GET_SIZE(__pyx_args)) {
@@ -4710,7 +4741,7 @@ static PyObject *__pyx_pw_14netfilterqueue_14NetfilterQueue_11run(PyObject *__py
   }
   goto __pyx_L4_argument_unpacking_done;
   __pyx_L5_argtuple_error:;
-  __Pyx_RaiseArgtupleInvalid("run", 0, 0, 1, PyTuple_GET_SIZE(__pyx_args)); __PYX_ERR(0, 203, __pyx_L3_error)
+  __Pyx_RaiseArgtupleInvalid("run", 0, 0, 1, PyTuple_GET_SIZE(__pyx_args)); __PYX_ERR(0, 206, __pyx_L3_error)
   __pyx_L3_error:;
   __Pyx_AddTraceback("netfilterqueue.NetfilterQueue.run", __pyx_clineno, __pyx_lineno, __pyx_filename);
   __Pyx_RefNannyFinishContext();
@@ -4737,14 +4768,14 @@ static PyObject *__pyx_pf_14netfilterqueue_14NetfilterQueue_10run(struct __pyx_o
   int __pyx_t_5;
   __Pyx_RefNannySetupContext("run", 0);
 
-  /* "netfilterqueue.pyx":205
+  /* "netfilterqueue.pyx":208
  *     def run(self, block=True):
  *         """Accept packets using recv."""
  *         cdef int fd = self.get_fd()             # <<<<<<<<<<<<<<
  *         cdef char buf[BufferSize]
  *         cdef int rv
  */
-  __pyx_t_2 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_self), __pyx_n_s_get_fd); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 205, __pyx_L1_error)
+  __pyx_t_2 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_self), __pyx_n_s_get_fd); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 208, __pyx_L1_error)
   __Pyx_GOTREF(__pyx_t_2);
   __pyx_t_3 = NULL;
   if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_2))) {
@@ -4757,25 +4788,25 @@ static PyObject *__pyx_pf_14netfilterqueue_14NetfilterQueue_10run(struct __pyx_o
     }
   }
   if (__pyx_t_3) {
-    __pyx_t_1 = __Pyx_PyObject_CallOneArg(__pyx_t_2, __pyx_t_3); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 205, __pyx_L1_error)
+    __pyx_t_1 = __Pyx_PyObject_CallOneArg(__pyx_t_2, __pyx_t_3); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 208, __pyx_L1_error)
     __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
   } else {
-    __pyx_t_1 = __Pyx_PyObject_CallNoArg(__pyx_t_2); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 205, __pyx_L1_error)
+    __pyx_t_1 = __Pyx_PyObject_CallNoArg(__pyx_t_2); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 208, __pyx_L1_error)
   }
   __Pyx_GOTREF(__pyx_t_1);
   __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
-  __pyx_t_4 = __Pyx_PyInt_As_int(__pyx_t_1); if (unlikely((__pyx_t_4 == (int)-1) && PyErr_Occurred())) __PYX_ERR(0, 205, __pyx_L1_error)
+  __pyx_t_4 = __Pyx_PyInt_As_int(__pyx_t_1); if (unlikely((__pyx_t_4 == (int)-1) && PyErr_Occurred())) __PYX_ERR(0, 208, __pyx_L1_error)
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
   __pyx_v_fd = __pyx_t_4;
 
-  /* "netfilterqueue.pyx":209
+  /* "netfilterqueue.pyx":212
  *         cdef int rv
  *         cdef int recv_flags
  *         recv_flags = 0 if block else MSG_DONTWAIT             # <<<<<<<<<<<<<<
  * 
  *         while True:
  */
-  __pyx_t_5 = __Pyx_PyObject_IsTrue(__pyx_v_block); if (unlikely(__pyx_t_5 < 0)) __PYX_ERR(0, 209, __pyx_L1_error)
+  __pyx_t_5 = __Pyx_PyObject_IsTrue(__pyx_v_block); if (unlikely(__pyx_t_5 < 0)) __PYX_ERR(0, 212, __pyx_L1_error)
   if (__pyx_t_5) {
     __pyx_t_4 = 0;
   } else {
@@ -4783,7 +4814,7 @@ static PyObject *__pyx_pf_14netfilterqueue_14NetfilterQueue_10run(struct __pyx_o
   }
   __pyx_v_recv_flags = __pyx_t_4;
 
-  /* "netfilterqueue.pyx":211
+  /* "netfilterqueue.pyx":214
  *         recv_flags = 0 if block else MSG_DONTWAIT
  * 
  *         while True:             # <<<<<<<<<<<<<<
@@ -4792,7 +4823,7 @@ static PyObject *__pyx_pf_14netfilterqueue_14NetfilterQueue_10run(struct __pyx_o
  */
   while (1) {
 
-    /* "netfilterqueue.pyx":212
+    /* "netfilterqueue.pyx":215
  * 
  *         while True:
  *             with nogil:             # <<<<<<<<<<<<<<
@@ -4806,7 +4837,7 @@ static PyObject *__pyx_pf_14netfilterqueue_14NetfilterQueue_10run(struct __pyx_o
         #endif
         /*try:*/ {
 
-          /* "netfilterqueue.pyx":213
+          /* "netfilterqueue.pyx":216
  *         while True:
  *             with nogil:
  *                 rv = recv(fd, buf, sizeof(buf), recv_flags)             # <<<<<<<<<<<<<<
@@ -4816,7 +4847,7 @@ static PyObject *__pyx_pf_14netfilterqueue_14NetfilterQueue_10run(struct __pyx_o
           __pyx_v_rv = recv(__pyx_v_fd, __pyx_v_buf, (sizeof(__pyx_v_buf)), __pyx_v_recv_flags);
         }
 
-        /* "netfilterqueue.pyx":212
+        /* "netfilterqueue.pyx":215
  * 
  *         while True:
  *             with nogil:             # <<<<<<<<<<<<<<
@@ -4834,7 +4865,7 @@ static PyObject *__pyx_pf_14netfilterqueue_14NetfilterQueue_10run(struct __pyx_o
         }
     }
 
-    /* "netfilterqueue.pyx":214
+    /* "netfilterqueue.pyx":217
  *             with nogil:
  *                 rv = recv(fd, buf, sizeof(buf), recv_flags)
  *             if (rv >= 0):             # <<<<<<<<<<<<<<
@@ -4844,7 +4875,7 @@ static PyObject *__pyx_pf_14netfilterqueue_14NetfilterQueue_10run(struct __pyx_o
     __pyx_t_5 = ((__pyx_v_rv >= 0) != 0);
     if (__pyx_t_5) {
 
-      /* "netfilterqueue.pyx":215
+      /* "netfilterqueue.pyx":218
  *                 rv = recv(fd, buf, sizeof(buf), recv_flags)
  *             if (rv >= 0):
  *                 nfq_handle_packet(self.h, buf, rv)             # <<<<<<<<<<<<<<
@@ -4853,7 +4884,7 @@ static PyObject *__pyx_pf_14netfilterqueue_14NetfilterQueue_10run(struct __pyx_o
  */
       nfq_handle_packet(__pyx_v_self->h, __pyx_v_buf, __pyx_v_rv);
 
-      /* "netfilterqueue.pyx":214
+      /* "netfilterqueue.pyx":217
  *             with nogil:
  *                 rv = recv(fd, buf, sizeof(buf), recv_flags)
  *             if (rv >= 0):             # <<<<<<<<<<<<<<
@@ -4863,7 +4894,7 @@ static PyObject *__pyx_pf_14netfilterqueue_14NetfilterQueue_10run(struct __pyx_o
       goto __pyx_L10;
     }
 
-    /* "netfilterqueue.pyx":217
+    /* "netfilterqueue.pyx":220
  *                 nfq_handle_packet(self.h, buf, rv)
  *             else:
  *                 if errno != ENOBUFS:             # <<<<<<<<<<<<<<
@@ -4874,7 +4905,7 @@ static PyObject *__pyx_pf_14netfilterqueue_14NetfilterQueue_10run(struct __pyx_o
       __pyx_t_5 = ((errno != __pyx_e_14netfilterqueue_ENOBUFS) != 0);
       if (__pyx_t_5) {
 
-        /* "netfilterqueue.pyx":218
+        /* "netfilterqueue.pyx":221
  *             else:
  *                 if errno != ENOBUFS:
  *                     break             # <<<<<<<<<<<<<<
@@ -4883,7 +4914,7 @@ static PyObject *__pyx_pf_14netfilterqueue_14NetfilterQueue_10run(struct __pyx_o
  */
         goto __pyx_L4_break;
 
-        /* "netfilterqueue.pyx":217
+        /* "netfilterqueue.pyx":220
  *                 nfq_handle_packet(self.h, buf, rv)
  *             else:
  *                 if errno != ENOBUFS:             # <<<<<<<<<<<<<<
@@ -4896,7 +4927,7 @@ static PyObject *__pyx_pf_14netfilterqueue_14NetfilterQueue_10run(struct __pyx_o
   }
   __pyx_L4_break:;
 
-  /* "netfilterqueue.pyx":203
+  /* "netfilterqueue.pyx":206
  *         return nfq_fd(self.h)
  * 
  *     def run(self, block=True):             # <<<<<<<<<<<<<<
@@ -4919,7 +4950,7 @@ static PyObject *__pyx_pf_14netfilterqueue_14NetfilterQueue_10run(struct __pyx_o
   return __pyx_r;
 }
 
-/* "netfilterqueue.pyx":220
+/* "netfilterqueue.pyx":223
  *                     break
  * 
  *     def run_socket(self, s):             # <<<<<<<<<<<<<<
@@ -4963,7 +4994,7 @@ static PyObject *__pyx_pf_14netfilterqueue_14NetfilterQueue_12run_socket(struct
   int __pyx_t_13;
   __Pyx_RefNannySetupContext("run_socket", 0);
 
-  /* "netfilterqueue.pyx":222
+  /* "netfilterqueue.pyx":225
  *     def run_socket(self, s):
  *         """Accept packets using socket.recv so that, for example, gevent can monkeypatch it."""
  *         while True:             # <<<<<<<<<<<<<<
@@ -4972,7 +5003,7 @@ static PyObject *__pyx_pf_14netfilterqueue_14NetfilterQueue_12run_socket(struct
  */
   while (1) {
 
-    /* "netfilterqueue.pyx":223
+    /* "netfilterqueue.pyx":226
  *         """Accept packets using socket.recv so that, for example, gevent can monkeypatch it."""
  *         while True:
  *             try:             # <<<<<<<<<<<<<<
@@ -4988,32 +5019,32 @@ static PyObject *__pyx_pf_14netfilterqueue_14NetfilterQueue_12run_socket(struct
       __Pyx_XGOTREF(__pyx_t_3);
       /*try:*/ {
 
-        /* "netfilterqueue.pyx":224
+        /* "netfilterqueue.pyx":227
  *         while True:
  *             try:
  *                 buf = s.recv(BufferSize)             # <<<<<<<<<<<<<<
  *                 rv = len(buf)
  *                 if rv >= 0:
  */
-        __pyx_t_4 = __Pyx_PyObject_GetAttrStr(__pyx_v_s, __pyx_n_s_recv); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 224, __pyx_L5_error)
+        __pyx_t_4 = __Pyx_PyObject_GetAttrStr(__pyx_v_s, __pyx_n_s_recv); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 227, __pyx_L5_error)
         __Pyx_GOTREF(__pyx_t_4);
-        __pyx_t_5 = __Pyx_PyObject_Call(__pyx_t_4, __pyx_tuple__6, NULL); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 224, __pyx_L5_error)
+        __pyx_t_5 = __Pyx_PyObject_Call(__pyx_t_4, __pyx_tuple__6, NULL); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 227, __pyx_L5_error)
         __Pyx_GOTREF(__pyx_t_5);
         __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
         __Pyx_XDECREF_SET(__pyx_v_buf, __pyx_t_5);
         __pyx_t_5 = 0;
 
-        /* "netfilterqueue.pyx":225
+        /* "netfilterqueue.pyx":228
  *             try:
  *                 buf = s.recv(BufferSize)
  *                 rv = len(buf)             # <<<<<<<<<<<<<<
  *                 if rv >= 0:
  *                     nfq_handle_packet(self.h, buf, rv)
  */
-        __pyx_t_6 = PyObject_Length(__pyx_v_buf); if (unlikely(__pyx_t_6 == -1)) __PYX_ERR(0, 225, __pyx_L5_error)
+        __pyx_t_6 = PyObject_Length(__pyx_v_buf); if (unlikely(__pyx_t_6 == -1)) __PYX_ERR(0, 228, __pyx_L5_error)
         __pyx_v_rv = __pyx_t_6;
 
-        /* "netfilterqueue.pyx":226
+        /* "netfilterqueue.pyx":229
  *                 buf = s.recv(BufferSize)
  *                 rv = len(buf)
  *                 if rv >= 0:             # <<<<<<<<<<<<<<
@@ -5023,17 +5054,17 @@ static PyObject *__pyx_pf_14netfilterqueue_14NetfilterQueue_12run_socket(struct
         __pyx_t_7 = ((__pyx_v_rv >= 0) != 0);
         if (__pyx_t_7) {
 
-          /* "netfilterqueue.pyx":227
+          /* "netfilterqueue.pyx":230
  *                 rv = len(buf)
  *                 if rv >= 0:
  *                     nfq_handle_packet(self.h, buf, rv)             # <<<<<<<<<<<<<<
  *                 else:
  *                     break
  */
-          __pyx_t_8 = __Pyx_PyObject_AsString(__pyx_v_buf); if (unlikely((!__pyx_t_8) && PyErr_Occurred())) __PYX_ERR(0, 227, __pyx_L5_error)
+          __pyx_t_8 = __Pyx_PyObject_AsString(__pyx_v_buf); if (unlikely((!__pyx_t_8) && PyErr_Occurred())) __PYX_ERR(0, 230, __pyx_L5_error)
           nfq_handle_packet(__pyx_v_self->h, __pyx_t_8, __pyx_v_rv);
 
-          /* "netfilterqueue.pyx":226
+          /* "netfilterqueue.pyx":229
  *                 buf = s.recv(BufferSize)
  *                 rv = len(buf)
  *                 if rv >= 0:             # <<<<<<<<<<<<<<
@@ -5043,7 +5074,7 @@ static PyObject *__pyx_pf_14netfilterqueue_14NetfilterQueue_12run_socket(struct
           goto __pyx_L13;
         }
 
-        /* "netfilterqueue.pyx":229
+        /* "netfilterqueue.pyx":232
  *                     nfq_handle_packet(self.h, buf, rv)
  *                 else:
  *                     break             # <<<<<<<<<<<<<<
@@ -5055,7 +5086,7 @@ static PyObject *__pyx_pf_14netfilterqueue_14NetfilterQueue_12run_socket(struct
         }
         __pyx_L13:;
 
-        /* "netfilterqueue.pyx":223
+        /* "netfilterqueue.pyx":226
  *         """Accept packets using socket.recv so that, for example, gevent can monkeypatch it."""
  *         while True:
  *             try:             # <<<<<<<<<<<<<<
@@ -5072,60 +5103,60 @@ static PyObject *__pyx_pf_14netfilterqueue_14NetfilterQueue_12run_socket(struct
       __Pyx_XDECREF(__pyx_t_4); __pyx_t_4 = 0;
       __Pyx_XDECREF(__pyx_t_5); __pyx_t_5 = 0;
 
-      /* "netfilterqueue.pyx":230
+      /* "netfilterqueue.pyx":233
  *                 else:
  *                     break
  *             except socket.error as e:             # <<<<<<<<<<<<<<
  *                 err = e.args[0]
  *                 if err == ENOBUFS:
  */
-      __pyx_t_5 = __Pyx_GetModuleGlobalName(__pyx_n_s_socket); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 230, __pyx_L7_except_error)
+      __pyx_t_5 = __Pyx_GetModuleGlobalName(__pyx_n_s_socket); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 233, __pyx_L7_except_error)
       __Pyx_GOTREF(__pyx_t_5);
-      __pyx_t_4 = __Pyx_PyObject_GetAttrStr(__pyx_t_5, __pyx_n_s_error); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 230, __pyx_L7_except_error)
+      __pyx_t_4 = __Pyx_PyObject_GetAttrStr(__pyx_t_5, __pyx_n_s_error); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 233, __pyx_L7_except_error)
       __Pyx_GOTREF(__pyx_t_4);
       __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
       __pyx_t_9 = __Pyx_PyErr_ExceptionMatches(__pyx_t_4);
       __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
       if (__pyx_t_9) {
         __Pyx_AddTraceback("netfilterqueue.NetfilterQueue.run_socket", __pyx_clineno, __pyx_lineno, __pyx_filename);
-        if (__Pyx_GetException(&__pyx_t_4, &__pyx_t_5, &__pyx_t_10) < 0) __PYX_ERR(0, 230, __pyx_L7_except_error)
+        if (__Pyx_GetException(&__pyx_t_4, &__pyx_t_5, &__pyx_t_10) < 0) __PYX_ERR(0, 233, __pyx_L7_except_error)
         __Pyx_GOTREF(__pyx_t_4);
         __Pyx_GOTREF(__pyx_t_5);
         __Pyx_GOTREF(__pyx_t_10);
         __Pyx_INCREF(__pyx_t_5);
         __Pyx_XDECREF_SET(__pyx_v_e, __pyx_t_5);
 
-        /* "netfilterqueue.pyx":231
+        /* "netfilterqueue.pyx":234
  *                     break
  *             except socket.error as e:
  *                 err = e.args[0]             # <<<<<<<<<<<<<<
  *                 if err == ENOBUFS:
  *                     continue
  */
-        __pyx_t_11 = __Pyx_PyObject_GetAttrStr(__pyx_v_e, __pyx_n_s_args); if (unlikely(!__pyx_t_11)) __PYX_ERR(0, 231, __pyx_L7_except_error)
+        __pyx_t_11 = __Pyx_PyObject_GetAttrStr(__pyx_v_e, __pyx_n_s_args); if (unlikely(!__pyx_t_11)) __PYX_ERR(0, 234, __pyx_L7_except_error)
         __Pyx_GOTREF(__pyx_t_11);
-        __pyx_t_12 = __Pyx_GetItemInt(__pyx_t_11, 0, long, 1, __Pyx_PyInt_From_long, 0, 0, 1); if (unlikely(!__pyx_t_12)) __PYX_ERR(0, 231, __pyx_L7_except_error)
+        __pyx_t_12 = __Pyx_GetItemInt(__pyx_t_11, 0, long, 1, __Pyx_PyInt_From_long, 0, 0, 1); if (unlikely(!__pyx_t_12)) __PYX_ERR(0, 234, __pyx_L7_except_error)
         __Pyx_GOTREF(__pyx_t_12);
         __Pyx_DECREF(__pyx_t_11); __pyx_t_11 = 0;
         __Pyx_XDECREF_SET(__pyx_v_err, __pyx_t_12);
         __pyx_t_12 = 0;
 
-        /* "netfilterqueue.pyx":232
+        /* "netfilterqueue.pyx":235
  *             except socket.error as e:
  *                 err = e.args[0]
  *                 if err == ENOBUFS:             # <<<<<<<<<<<<<<
  *                     continue
  *                 elif err == EAGAIN or err == EWOULDBLOCK:
  */
-        __pyx_t_12 = __Pyx_PyInt_From_int(__pyx_e_14netfilterqueue_ENOBUFS); if (unlikely(!__pyx_t_12)) __PYX_ERR(0, 232, __pyx_L7_except_error)
+        __pyx_t_12 = __Pyx_PyInt_From_int(__pyx_e_14netfilterqueue_ENOBUFS); if (unlikely(!__pyx_t_12)) __PYX_ERR(0, 235, __pyx_L7_except_error)
         __Pyx_GOTREF(__pyx_t_12);
-        __pyx_t_11 = PyObject_RichCompare(__pyx_v_err, __pyx_t_12, Py_EQ); __Pyx_XGOTREF(__pyx_t_11); if (unlikely(!__pyx_t_11)) __PYX_ERR(0, 232, __pyx_L7_except_error)
+        __pyx_t_11 = PyObject_RichCompare(__pyx_v_err, __pyx_t_12, Py_EQ); __Pyx_XGOTREF(__pyx_t_11); if (unlikely(!__pyx_t_11)) __PYX_ERR(0, 235, __pyx_L7_except_error)
         __Pyx_DECREF(__pyx_t_12); __pyx_t_12 = 0;
-        __pyx_t_7 = __Pyx_PyObject_IsTrue(__pyx_t_11); if (unlikely(__pyx_t_7 < 0)) __PYX_ERR(0, 232, __pyx_L7_except_error)
+        __pyx_t_7 = __Pyx_PyObject_IsTrue(__pyx_t_11); if (unlikely(__pyx_t_7 < 0)) __PYX_ERR(0, 235, __pyx_L7_except_error)
         __Pyx_DECREF(__pyx_t_11); __pyx_t_11 = 0;
         if (__pyx_t_7) {
 
-          /* "netfilterqueue.pyx":233
+          /* "netfilterqueue.pyx":236
  *                 err = e.args[0]
  *                 if err == ENOBUFS:
  *                     continue             # <<<<<<<<<<<<<<
@@ -5134,7 +5165,7 @@ static PyObject *__pyx_pf_14netfilterqueue_14NetfilterQueue_12run_socket(struct
  */
           goto __pyx_L15_except_continue;
 
-          /* "netfilterqueue.pyx":232
+          /* "netfilterqueue.pyx":235
  *             except socket.error as e:
  *                 err = e.args[0]
  *                 if err == ENOBUFS:             # <<<<<<<<<<<<<<
@@ -5143,35 +5174,35 @@ static PyObject *__pyx_pf_14netfilterqueue_14NetfilterQueue_12run_socket(struct
  */
         }
 
-        /* "netfilterqueue.pyx":234
+        /* "netfilterqueue.pyx":237
  *                 if err == ENOBUFS:
  *                     continue
  *                 elif err == EAGAIN or err == EWOULDBLOCK:             # <<<<<<<<<<<<<<
  *                     # This should only happen with a non-blocking socket, and the
  *                     # app should call run_socket again when more data is available.
  */
-        __pyx_t_11 = __Pyx_PyInt_From_int(__pyx_e_14netfilterqueue_EAGAIN); if (unlikely(!__pyx_t_11)) __PYX_ERR(0, 234, __pyx_L7_except_error)
+        __pyx_t_11 = __Pyx_PyInt_From_int(__pyx_e_14netfilterqueue_EAGAIN); if (unlikely(!__pyx_t_11)) __PYX_ERR(0, 237, __pyx_L7_except_error)
         __Pyx_GOTREF(__pyx_t_11);
-        __pyx_t_12 = PyObject_RichCompare(__pyx_v_err, __pyx_t_11, Py_EQ); __Pyx_XGOTREF(__pyx_t_12); if (unlikely(!__pyx_t_12)) __PYX_ERR(0, 234, __pyx_L7_except_error)
+        __pyx_t_12 = PyObject_RichCompare(__pyx_v_err, __pyx_t_11, Py_EQ); __Pyx_XGOTREF(__pyx_t_12); if (unlikely(!__pyx_t_12)) __PYX_ERR(0, 237, __pyx_L7_except_error)
         __Pyx_DECREF(__pyx_t_11); __pyx_t_11 = 0;
-        __pyx_t_13 = __Pyx_PyObject_IsTrue(__pyx_t_12); if (unlikely(__pyx_t_13 < 0)) __PYX_ERR(0, 234, __pyx_L7_except_error)
+        __pyx_t_13 = __Pyx_PyObject_IsTrue(__pyx_t_12); if (unlikely(__pyx_t_13 < 0)) __PYX_ERR(0, 237, __pyx_L7_except_error)
         __Pyx_DECREF(__pyx_t_12); __pyx_t_12 = 0;
         if (!__pyx_t_13) {
         } else {
           __pyx_t_7 = __pyx_t_13;
           goto __pyx_L17_bool_binop_done;
         }
-        __pyx_t_12 = __Pyx_PyInt_From_int(__pyx_e_14netfilterqueue_EWOULDBLOCK); if (unlikely(!__pyx_t_12)) __PYX_ERR(0, 234, __pyx_L7_except_error)
+        __pyx_t_12 = __Pyx_PyInt_From_int(__pyx_e_14netfilterqueue_EWOULDBLOCK); if (unlikely(!__pyx_t_12)) __PYX_ERR(0, 237, __pyx_L7_except_error)
         __Pyx_GOTREF(__pyx_t_12);
-        __pyx_t_11 = PyObject_RichCompare(__pyx_v_err, __pyx_t_12, Py_EQ); __Pyx_XGOTREF(__pyx_t_11); if (unlikely(!__pyx_t_11)) __PYX_ERR(0, 234, __pyx_L7_except_error)
+        __pyx_t_11 = PyObject_RichCompare(__pyx_v_err, __pyx_t_12, Py_EQ); __Pyx_XGOTREF(__pyx_t_11); if (unlikely(!__pyx_t_11)) __PYX_ERR(0, 237, __pyx_L7_except_error)
         __Pyx_DECREF(__pyx_t_12); __pyx_t_12 = 0;
-        __pyx_t_13 = __Pyx_PyObject_IsTrue(__pyx_t_11); if (unlikely(__pyx_t_13 < 0)) __PYX_ERR(0, 234, __pyx_L7_except_error)
+        __pyx_t_13 = __Pyx_PyObject_IsTrue(__pyx_t_11); if (unlikely(__pyx_t_13 < 0)) __PYX_ERR(0, 237, __pyx_L7_except_error)
         __Pyx_DECREF(__pyx_t_11); __pyx_t_11 = 0;
         __pyx_t_7 = __pyx_t_13;
         __pyx_L17_bool_binop_done:;
         if (__pyx_t_7) {
 
-          /* "netfilterqueue.pyx":237
+          /* "netfilterqueue.pyx":240
  *                     # This should only happen with a non-blocking socket, and the
  *                     # app should call run_socket again when more data is available.
  *                     break             # <<<<<<<<<<<<<<
@@ -5180,7 +5211,7 @@ static PyObject *__pyx_pf_14netfilterqueue_14NetfilterQueue_12run_socket(struct
  */
           goto __pyx_L14_except_break;
 
-          /* "netfilterqueue.pyx":234
+          /* "netfilterqueue.pyx":237
  *                 if err == ENOBUFS:
  *                     continue
  *                 elif err == EAGAIN or err == EWOULDBLOCK:             # <<<<<<<<<<<<<<
@@ -5189,7 +5220,7 @@ static PyObject *__pyx_pf_14netfilterqueue_14NetfilterQueue_12run_socket(struct
  */
         }
 
-        /* "netfilterqueue.pyx":240
+        /* "netfilterqueue.pyx":243
  *                 else:
  *                     # This is bad. Let the caller handle it.
  *                     raise e             # <<<<<<<<<<<<<<
@@ -5198,7 +5229,7 @@ static PyObject *__pyx_pf_14netfilterqueue_14NetfilterQueue_12run_socket(struct
  */
         /*else*/ {
           __Pyx_Raise(__pyx_v_e, 0, 0, 0);
-          __PYX_ERR(0, 240, __pyx_L7_except_error)
+          __PYX_ERR(0, 243, __pyx_L7_except_error)
         }
         __pyx_L14_except_break:;
         __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
@@ -5214,7 +5245,7 @@ static PyObject *__pyx_pf_14netfilterqueue_14NetfilterQueue_12run_socket(struct
       goto __pyx_L7_except_error;
       __pyx_L7_except_error:;
 
-      /* "netfilterqueue.pyx":223
+      /* "netfilterqueue.pyx":226
  *         """Accept packets using socket.recv so that, for example, gevent can monkeypatch it."""
  *         while True:
  *             try:             # <<<<<<<<<<<<<<
@@ -5247,7 +5278,7 @@ static PyObject *__pyx_pf_14netfilterqueue_14NetfilterQueue_12run_socket(struct
   }
   __pyx_L4_break:;
 
-  /* "netfilterqueue.pyx":220
+  /* "netfilterqueue.pyx":223
  *                     break
  * 
  *     def run_socket(self, s):             # <<<<<<<<<<<<<<
@@ -5748,8 +5779,8 @@ static __Pyx_StringTabEntry __pyx_string_tab[] = {
   {0, 0, 0, 0, 0, 0, 0}
 };
 static int __Pyx_InitCachedBuiltins(void) {
-  __pyx_builtin_OSError = __Pyx_GetBuiltinName(__pyx_n_s_OSError); if (!__pyx_builtin_OSError) __PYX_ERR(0, 69, __pyx_L1_error)
-  __pyx_builtin_RuntimeWarning = __Pyx_GetBuiltinName(__pyx_n_s_RuntimeWarning); if (!__pyx_builtin_RuntimeWarning) __PYX_ERR(0, 77, __pyx_L1_error)
+  __pyx_builtin_OSError = __Pyx_GetBuiltinName(__pyx_n_s_OSError); if (!__pyx_builtin_OSError) __PYX_ERR(0, 67, __pyx_L1_error)
+  __pyx_builtin_RuntimeWarning = __Pyx_GetBuiltinName(__pyx_n_s_RuntimeWarning); if (!__pyx_builtin_RuntimeWarning) __PYX_ERR(0, 75, __pyx_L1_error)
   return 0;
   __pyx_L1_error:;
   return -1;
@@ -5759,58 +5790,58 @@ static int __Pyx_InitCachedConstants(void) {
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("__Pyx_InitCachedConstants", 0);
 
-  /* "netfilterqueue.pyx":69
+  /* "netfilterqueue.pyx":67
  *         self.payload_len = nfq_get_payload(self._nfa, &self.payload)
  *         if self.payload_len < 0:
  *             raise OSError("Failed to get payload of packet.")             # <<<<<<<<<<<<<<
  * 
  *         nfq_get_timestamp(self._nfa, &self.timestamp)
  */
-  __pyx_tuple_ = PyTuple_Pack(1, __pyx_kp_s_Failed_to_get_payload_of_packet); if (unlikely(!__pyx_tuple_)) __PYX_ERR(0, 69, __pyx_L1_error)
+  __pyx_tuple_ = PyTuple_Pack(1, __pyx_kp_s_Failed_to_get_payload_of_packet); if (unlikely(!__pyx_tuple_)) __PYX_ERR(0, 67, __pyx_L1_error)
   __Pyx_GOTREF(__pyx_tuple_);
   __Pyx_GIVEREF(__pyx_tuple_);
 
-  /* "netfilterqueue.pyx":77
+  /* "netfilterqueue.pyx":75
  *         """Call appropriate set_verdict... function on packet."""
  *         if self._verdict_is_set:
  *             raise RuntimeWarning("Verdict already given for this packet.")             # <<<<<<<<<<<<<<
  * 
  *         cdef u_int32_t modified_payload_len = 0
  */
-  __pyx_tuple__2 = PyTuple_Pack(1, __pyx_kp_s_Verdict_already_given_for_this_p); if (unlikely(!__pyx_tuple__2)) __PYX_ERR(0, 77, __pyx_L1_error)
+  __pyx_tuple__2 = PyTuple_Pack(1, __pyx_kp_s_Verdict_already_given_for_this_p); if (unlikely(!__pyx_tuple__2)) __PYX_ERR(0, 75, __pyx_L1_error)
   __Pyx_GOTREF(__pyx_tuple__2);
   __Pyx_GIVEREF(__pyx_tuple__2);
 
-  /* "netfilterqueue.pyx":155
+  /* "netfilterqueue.pyx":158
  *         self.h = nfq_open()
  *         if self.h == NULL:
  *             raise OSError("Failed to open NFQueue.")             # <<<<<<<<<<<<<<
  *         nfq_unbind_pf(self.h, self.af) # This does NOT kick out previous
  *             # running queues
  */
-  __pyx_tuple__3 = PyTuple_Pack(1, __pyx_kp_s_Failed_to_open_NFQueue); if (unlikely(!__pyx_tuple__3)) __PYX_ERR(0, 155, __pyx_L1_error)
+  __pyx_tuple__3 = PyTuple_Pack(1, __pyx_kp_s_Failed_to_open_NFQueue); if (unlikely(!__pyx_tuple__3)) __PYX_ERR(0, 158, __pyx_L1_error)
   __Pyx_GOTREF(__pyx_tuple__3);
   __Pyx_GIVEREF(__pyx_tuple__3);
 
-  /* "netfilterqueue.pyx":184
+  /* "netfilterqueue.pyx":187
  *             range = MaxCopySize
  *         if nfq_set_mode(self.qh, mode, range) < 0:
  *             raise OSError("Failed to set packet copy mode.")             # <<<<<<<<<<<<<<
  * 
  *         nfq_set_queue_maxlen(self.qh, max_len)
  */
-  __pyx_tuple__5 = PyTuple_Pack(1, __pyx_kp_s_Failed_to_set_packet_copy_mode); if (unlikely(!__pyx_tuple__5)) __PYX_ERR(0, 184, __pyx_L1_error)
+  __pyx_tuple__5 = PyTuple_Pack(1, __pyx_kp_s_Failed_to_set_packet_copy_mode); if (unlikely(!__pyx_tuple__5)) __PYX_ERR(0, 187, __pyx_L1_error)
   __Pyx_GOTREF(__pyx_tuple__5);
   __Pyx_GIVEREF(__pyx_tuple__5);
 
-  /* "netfilterqueue.pyx":224
+  /* "netfilterqueue.pyx":227
  *         while True:
  *             try:
  *                 buf = s.recv(BufferSize)             # <<<<<<<<<<<<<<
  *                 rv = len(buf)
  *                 if rv >= 0:
  */
-  __pyx_tuple__6 = PyTuple_Pack(1, __pyx_int_4096); if (unlikely(!__pyx_tuple__6)) __PYX_ERR(0, 224, __pyx_L1_error)
+  __pyx_tuple__6 = PyTuple_Pack(1, __pyx_int_4096); if (unlikely(!__pyx_tuple__6)) __PYX_ERR(0, 227, __pyx_L1_error)
   __Pyx_GOTREF(__pyx_tuple__6);
   __Pyx_GIVEREF(__pyx_tuple__6);
 
@@ -6081,9 +6112,9 @@ PyMODINIT_FUNC PyInit_netfilterqueue(void)
   if (__Pyx_SetVtable(__pyx_type_14netfilterqueue_Packet.tp_dict, __pyx_vtabptr_14netfilterqueue_Packet) < 0) __PYX_ERR(0, 40, __pyx_L1_error)
   if (PyObject_SetAttrString(__pyx_m, "Packet", (PyObject *)&__pyx_type_14netfilterqueue_Packet) < 0) __PYX_ERR(0, 40, __pyx_L1_error)
   __pyx_ptype_14netfilterqueue_Packet = &__pyx_type_14netfilterqueue_Packet;
-  if (PyType_Ready(&__pyx_type_14netfilterqueue_NetfilterQueue) < 0) __PYX_ERR(0, 148, __pyx_L1_error)
+  if (PyType_Ready(&__pyx_type_14netfilterqueue_NetfilterQueue) < 0) __PYX_ERR(0, 151, __pyx_L1_error)
   __pyx_type_14netfilterqueue_NetfilterQueue.tp_print = 0;
-  if (PyObject_SetAttrString(__pyx_m, "NetfilterQueue", (PyObject *)&__pyx_type_14netfilterqueue_NetfilterQueue) < 0) __PYX_ERR(0, 148, __pyx_L1_error)
+  if (PyObject_SetAttrString(__pyx_m, "NetfilterQueue", (PyObject *)&__pyx_type_14netfilterqueue_NetfilterQueue) < 0) __PYX_ERR(0, 151, __pyx_L1_error)
   __pyx_ptype_14netfilterqueue_NetfilterQueue = &__pyx_type_14netfilterqueue_NetfilterQueue;
   /*--- Type import code ---*/
   /*--- Variable import code ---*/
@@ -6141,7 +6172,7 @@ PyMODINIT_FUNC PyInit_netfilterqueue(void)
   if (PyDict_SetItem(__pyx_d, __pyx_n_s_socket, __pyx_t_1) < 0) __PYX_ERR(0, 27, __pyx_L1_error)
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
 
-  /* "netfilterqueue.pyx":170
+  /* "netfilterqueue.pyx":173
  *     def bind(self, int queue_num, object user_callback,
  *                 u_int32_t max_len=DEFAULT_MAX_QUEUELEN,
  *                 u_int8_t mode=NFQNL_COPY_PACKET,             # <<<<<<<<<<<<<<
@@ -6150,158 +6181,158 @@ PyMODINIT_FUNC PyInit_netfilterqueue(void)
  */
   __pyx_k__4 = NFQNL_COPY_PACKET;
 
-  /* "netfilterqueue.pyx":243
+  /* "netfilterqueue.pyx":246
  * 
  * PROTOCOLS = {
  *     0: "HOPOPT",             # <<<<<<<<<<<<<<
  *     1: "ICMP",
  *     2: "IGMP",
  */
-  __pyx_t_1 = PyDict_New(); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 243, __pyx_L1_error)
+  __pyx_t_1 = PyDict_New(); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 246, __pyx_L1_error)
   __Pyx_GOTREF(__pyx_t_1);
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_0, __pyx_n_s_HOPOPT) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_1, __pyx_n_s_ICMP) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_2, __pyx_n_s_IGMP) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_3, __pyx_n_s_GGP) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_4, __pyx_n_s_IP) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_5, __pyx_n_s_ST) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_6, __pyx_n_s_TCP) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_7, __pyx_n_s_CBT) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_8, __pyx_n_s_EGP) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_9, __pyx_n_s_IGP) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_10, __pyx_kp_s_BBN_RCC_MON) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_11, __pyx_kp_s_NVP_II) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_12, __pyx_n_s_PUP) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_13, __pyx_n_s_ARGUS) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_14, __pyx_n_s_EMCON) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_15, __pyx_n_s_XNET) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_16, __pyx_n_s_CHAOS) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_17, __pyx_n_s_UDP) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_18, __pyx_n_s_MUX) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_19, __pyx_kp_s_DCN_MEAS) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_20, __pyx_n_s_HMP) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_21, __pyx_n_s_PRM) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_22, __pyx_kp_s_XNS_IDP) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_23, __pyx_kp_s_TRUNK_1) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_24, __pyx_kp_s_TRUNK_2) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_25, __pyx_kp_s_LEAF_1) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_26, __pyx_kp_s_LEAF_2) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_27, __pyx_n_s_RDP) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_28, __pyx_n_s_IRTP) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_29, __pyx_kp_s_ISO_TP4) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_30, __pyx_n_s_NETBLT) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_31, __pyx_kp_s_MFE_NSP) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_32, __pyx_kp_s_MERIT_INP) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_33, __pyx_n_s_DCCP) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_34, __pyx_kp_s_3PC) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_35, __pyx_n_s_IDPR) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_36, __pyx_n_s_XTP) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_37, __pyx_n_s_DDP) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_38, __pyx_kp_s_IDPR_CMTP) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_39, __pyx_kp_s_TP) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_40, __pyx_n_s_IL) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_41, __pyx_n_s_IPv6) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_42, __pyx_n_s_SDRP) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_43, __pyx_kp_s_IPv6_Route) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_44, __pyx_kp_s_IPv6_Frag) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_45, __pyx_n_s_IDRP) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_46, __pyx_n_s_RSVP) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_47, __pyx_n_s_GRE) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_48, __pyx_n_s_DSR) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_49, __pyx_n_s_BNA) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_50, __pyx_n_s_ESP) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_51, __pyx_n_s_AH) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_52, __pyx_kp_s_I_NLSP) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_53, __pyx_n_s_SWIPE) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_54, __pyx_n_s_NARP) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_55, __pyx_n_s_MOBILE) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_56, __pyx_n_s_TLSP) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_57, __pyx_n_s_SKIP) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_58, __pyx_kp_s_IPv6_ICMP) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_59, __pyx_kp_s_IPv6_NoNxt) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_60, __pyx_kp_s_IPv6_Opts) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_61, __pyx_kp_s_any_host_internal_protocol) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_62, __pyx_n_s_CFTP) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_63, __pyx_kp_s_any_local_network) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_64, __pyx_kp_s_SAT_EXPAK) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_65, __pyx_n_s_KRYPTOLAN) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_66, __pyx_n_s_RVD) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_67, __pyx_n_s_IPPC) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_68, __pyx_kp_s_any_distributed_file_system) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_69, __pyx_kp_s_SAT_MON) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_70, __pyx_n_s_VISA) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_71, __pyx_n_s_IPCV) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_72, __pyx_n_s_CPNX) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_73, __pyx_n_s_CPHB) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_74, __pyx_n_s_WSN) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_75, __pyx_n_s_PVP) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_76, __pyx_kp_s_BR_SAT_MON) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_77, __pyx_kp_s_SUN_ND) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_78, __pyx_kp_s_WB_MON) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_79, __pyx_kp_s_WB_EXPAK) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_80, __pyx_kp_s_ISO_IP) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_81, __pyx_n_s_VMTP) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_82, __pyx_kp_s_SECURE_VMTP) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_83, __pyx_n_s_VINES) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_84, __pyx_n_s_TTP) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_85, __pyx_kp_s_NSFNET_IGP) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_86, __pyx_n_s_DGP) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_87, __pyx_n_s_TCF) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_88, __pyx_n_s_EIGRP) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_89, __pyx_n_s_OSPFIGP) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_90, __pyx_kp_s_Sprite_RPC) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_91, __pyx_n_s_LARP) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_92, __pyx_n_s_MTP) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_93, __pyx_kp_s_AX_25) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_94, __pyx_n_s_IPIP) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_95, __pyx_n_s_MICP) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_96, __pyx_kp_s_SCC_SP) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_97, __pyx_n_s_ETHERIP) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_98, __pyx_n_s_ENCAP) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_99, __pyx_kp_s_any_private_encryption_scheme) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_100, __pyx_n_s_GMTP) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_101, __pyx_n_s_IFMP) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_102, __pyx_n_s_PNNI) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_103, __pyx_n_s_PIM) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_104, __pyx_n_s_ARIS) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_105, __pyx_n_s_SCPS) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_106, __pyx_n_s_QNX) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_107, __pyx_kp_s_A_N) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_108, __pyx_n_s_IPComp) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_109, __pyx_n_s_SNP) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_110, __pyx_kp_s_Compaq_Peer) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_111, __pyx_kp_s_IPX_in_IP) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_112, __pyx_n_s_VRRP) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_113, __pyx_n_s_PGM) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_114, __pyx_kp_s_any_0_hop_protocol) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_115, __pyx_n_s_L2TP) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_116, __pyx_n_s_DDX) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_117, __pyx_n_s_IATP) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_118, __pyx_n_s_STP) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_119, __pyx_n_s_SRP) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_120, __pyx_n_s_UTI) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_121, __pyx_n_s_SMP) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_122, __pyx_n_s_SM) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_123, __pyx_n_s_PTP) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_124, __pyx_n_s_ISIS) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_125, __pyx_n_s_FIRE) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_126, __pyx_n_s_CRTP) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_127, __pyx_n_s_CRUDP) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_128, __pyx_n_s_SSCOPMCE) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_129, __pyx_n_s_IPLT) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_130, __pyx_n_s_SPS) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_131, __pyx_n_s_PIPE) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_132, __pyx_n_s_SCTP) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_133, __pyx_n_s_FC) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_134, __pyx_kp_s_RSVP_E2E_IGNORE) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_135, __pyx_n_s_Mobility) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_136, __pyx_n_s_UDPLite) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_137, __pyx_kp_s_MPLS_in_IP) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_138, __pyx_n_s_manet) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_139, __pyx_n_s_HIP) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_140, __pyx_n_s_Shim6) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_t_1, __pyx_int_255, __pyx_n_s_Reserved) < 0) __PYX_ERR(0, 243, __pyx_L1_error)
-  if (PyDict_SetItem(__pyx_d, __pyx_n_s_PROTOCOLS, __pyx_t_1) < 0) __PYX_ERR(0, 242, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_0, __pyx_n_s_HOPOPT) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_1, __pyx_n_s_ICMP) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_2, __pyx_n_s_IGMP) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_3, __pyx_n_s_GGP) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_4, __pyx_n_s_IP) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_5, __pyx_n_s_ST) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_6, __pyx_n_s_TCP) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_7, __pyx_n_s_CBT) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_8, __pyx_n_s_EGP) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_9, __pyx_n_s_IGP) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_10, __pyx_kp_s_BBN_RCC_MON) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_11, __pyx_kp_s_NVP_II) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_12, __pyx_n_s_PUP) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_13, __pyx_n_s_ARGUS) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_14, __pyx_n_s_EMCON) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_15, __pyx_n_s_XNET) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_16, __pyx_n_s_CHAOS) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_17, __pyx_n_s_UDP) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_18, __pyx_n_s_MUX) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_19, __pyx_kp_s_DCN_MEAS) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_20, __pyx_n_s_HMP) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_21, __pyx_n_s_PRM) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_22, __pyx_kp_s_XNS_IDP) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_23, __pyx_kp_s_TRUNK_1) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_24, __pyx_kp_s_TRUNK_2) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_25, __pyx_kp_s_LEAF_1) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_26, __pyx_kp_s_LEAF_2) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_27, __pyx_n_s_RDP) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_28, __pyx_n_s_IRTP) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_29, __pyx_kp_s_ISO_TP4) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_30, __pyx_n_s_NETBLT) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_31, __pyx_kp_s_MFE_NSP) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_32, __pyx_kp_s_MERIT_INP) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_33, __pyx_n_s_DCCP) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_34, __pyx_kp_s_3PC) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_35, __pyx_n_s_IDPR) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_36, __pyx_n_s_XTP) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_37, __pyx_n_s_DDP) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_38, __pyx_kp_s_IDPR_CMTP) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_39, __pyx_kp_s_TP) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_40, __pyx_n_s_IL) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_41, __pyx_n_s_IPv6) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_42, __pyx_n_s_SDRP) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_43, __pyx_kp_s_IPv6_Route) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_44, __pyx_kp_s_IPv6_Frag) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_45, __pyx_n_s_IDRP) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_46, __pyx_n_s_RSVP) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_47, __pyx_n_s_GRE) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_48, __pyx_n_s_DSR) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_49, __pyx_n_s_BNA) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_50, __pyx_n_s_ESP) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_51, __pyx_n_s_AH) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_52, __pyx_kp_s_I_NLSP) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_53, __pyx_n_s_SWIPE) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_54, __pyx_n_s_NARP) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_55, __pyx_n_s_MOBILE) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_56, __pyx_n_s_TLSP) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_57, __pyx_n_s_SKIP) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_58, __pyx_kp_s_IPv6_ICMP) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_59, __pyx_kp_s_IPv6_NoNxt) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_60, __pyx_kp_s_IPv6_Opts) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_61, __pyx_kp_s_any_host_internal_protocol) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_62, __pyx_n_s_CFTP) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_63, __pyx_kp_s_any_local_network) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_64, __pyx_kp_s_SAT_EXPAK) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_65, __pyx_n_s_KRYPTOLAN) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_66, __pyx_n_s_RVD) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_67, __pyx_n_s_IPPC) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_68, __pyx_kp_s_any_distributed_file_system) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_69, __pyx_kp_s_SAT_MON) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_70, __pyx_n_s_VISA) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_71, __pyx_n_s_IPCV) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_72, __pyx_n_s_CPNX) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_73, __pyx_n_s_CPHB) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_74, __pyx_n_s_WSN) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_75, __pyx_n_s_PVP) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_76, __pyx_kp_s_BR_SAT_MON) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_77, __pyx_kp_s_SUN_ND) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_78, __pyx_kp_s_WB_MON) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_79, __pyx_kp_s_WB_EXPAK) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_80, __pyx_kp_s_ISO_IP) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_81, __pyx_n_s_VMTP) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_82, __pyx_kp_s_SECURE_VMTP) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_83, __pyx_n_s_VINES) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_84, __pyx_n_s_TTP) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_85, __pyx_kp_s_NSFNET_IGP) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_86, __pyx_n_s_DGP) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_87, __pyx_n_s_TCF) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_88, __pyx_n_s_EIGRP) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_89, __pyx_n_s_OSPFIGP) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_90, __pyx_kp_s_Sprite_RPC) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_91, __pyx_n_s_LARP) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_92, __pyx_n_s_MTP) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_93, __pyx_kp_s_AX_25) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_94, __pyx_n_s_IPIP) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_95, __pyx_n_s_MICP) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_96, __pyx_kp_s_SCC_SP) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_97, __pyx_n_s_ETHERIP) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_98, __pyx_n_s_ENCAP) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_99, __pyx_kp_s_any_private_encryption_scheme) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_100, __pyx_n_s_GMTP) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_101, __pyx_n_s_IFMP) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_102, __pyx_n_s_PNNI) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_103, __pyx_n_s_PIM) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_104, __pyx_n_s_ARIS) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_105, __pyx_n_s_SCPS) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_106, __pyx_n_s_QNX) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_107, __pyx_kp_s_A_N) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_108, __pyx_n_s_IPComp) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_109, __pyx_n_s_SNP) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_110, __pyx_kp_s_Compaq_Peer) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_111, __pyx_kp_s_IPX_in_IP) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_112, __pyx_n_s_VRRP) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_113, __pyx_n_s_PGM) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_114, __pyx_kp_s_any_0_hop_protocol) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_115, __pyx_n_s_L2TP) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_116, __pyx_n_s_DDX) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_117, __pyx_n_s_IATP) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_118, __pyx_n_s_STP) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_119, __pyx_n_s_SRP) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_120, __pyx_n_s_UTI) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_121, __pyx_n_s_SMP) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_122, __pyx_n_s_SM) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_123, __pyx_n_s_PTP) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_124, __pyx_n_s_ISIS) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_125, __pyx_n_s_FIRE) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_126, __pyx_n_s_CRTP) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_127, __pyx_n_s_CRUDP) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_128, __pyx_n_s_SSCOPMCE) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_129, __pyx_n_s_IPLT) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_130, __pyx_n_s_SPS) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_131, __pyx_n_s_PIPE) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_132, __pyx_n_s_SCTP) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_133, __pyx_n_s_FC) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_134, __pyx_kp_s_RSVP_E2E_IGNORE) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_135, __pyx_n_s_Mobility) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_136, __pyx_n_s_UDPLite) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_137, __pyx_kp_s_MPLS_in_IP) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_138, __pyx_n_s_manet) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_139, __pyx_n_s_HIP) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_140, __pyx_n_s_Shim6) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_t_1, __pyx_int_255, __pyx_n_s_Reserved) < 0) __PYX_ERR(0, 246, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_d, __pyx_n_s_PROTOCOLS, __pyx_t_1) < 0) __PYX_ERR(0, 245, __pyx_L1_error)
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
 
   /* "netfilterqueue.pyx":1
diff --git a/netfilterqueue.pyx b/netfilterqueue.pyx
index 5a9ef1d..1f3f20f 100644
--- a/netfilterqueue.pyx
+++ b/netfilterqueue.pyx
@@ -57,12 +57,10 @@ cdef class Packet:
         self._qh = qh
         self._nfa = nfa
         self._hdr = nfq_get_msg_packet_hdr(nfa)
-        self._hw = nfq_get_packet_hw(nfa)
 
         self.id = ntohl(self._hdr.packet_id)
         self.hw_protocol = ntohs(self._hdr.hw_protocol)
         self.hook = self._hdr.hook
-        self.hw_addr = self._hw.hw_addr
 
         self.payload_len = nfq_get_payload(self._nfa, &self.payload)
         if self.payload_len < 0:
@@ -101,6 +99,11 @@ cdef class Packet:
 
     def get_hw(self):
         """Return the hardware address as Python string."""
+        self._hw = nfq_get_packet_hw(self._nfa)
+        if self._hw == NULL:
+            # nfq_get_packet_hw doesn't work on OUTPUT and PREROUTING chains
+            return None
+        self.hw_addr = self._hw.hw_addr
         cdef object py_string
         if cpython.version.PY_MAJOR_VERSION >= 3:
             py_string = PyBytes_FromStringAndSize(<char*>self.hw_addr, 8)

From 496694a5027f3c3cc4a47848998b5626e681977b Mon Sep 17 00:00:00 2001
From: Matt Fox <matt@tansen.ca>
Date: Mon, 30 Jan 2017 23:40:48 -0800
Subject: [PATCH 3/3] Update version to 0.8.1

---
 netfilterqueue.c   | 6 +++---
 netfilterqueue.pyx | 2 +-
 setup.py           | 2 +-
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/netfilterqueue.c b/netfilterqueue.c
index 8ab1bb0..230d6dc 100644
--- a/netfilterqueue.c
+++ b/netfilterqueue.c
@@ -5848,11 +5848,11 @@ static int __Pyx_InitCachedConstants(void) {
   /* "netfilterqueue.pyx":8
  * License: MIT; see LICENSE.txt
  * """
- * VERSION = (0, 8, 0)             # <<<<<<<<<<<<<<
+ * VERSION = (0, 8, 1)             # <<<<<<<<<<<<<<
  * 
  * # Constants for module users
  */
-  __pyx_tuple__7 = PyTuple_Pack(3, __pyx_int_0, __pyx_int_8, __pyx_int_0); if (unlikely(!__pyx_tuple__7)) __PYX_ERR(0, 8, __pyx_L1_error)
+  __pyx_tuple__7 = PyTuple_Pack(3, __pyx_int_0, __pyx_int_8, __pyx_int_1); if (unlikely(!__pyx_tuple__7)) __PYX_ERR(0, 8, __pyx_L1_error)
   __Pyx_GOTREF(__pyx_tuple__7);
   __Pyx_GIVEREF(__pyx_tuple__7);
   __Pyx_RefNannyFinishContext();
@@ -6127,7 +6127,7 @@ PyMODINIT_FUNC PyInit_netfilterqueue(void)
   /* "netfilterqueue.pyx":8
  * License: MIT; see LICENSE.txt
  * """
- * VERSION = (0, 8, 0)             # <<<<<<<<<<<<<<
+ * VERSION = (0, 8, 1)             # <<<<<<<<<<<<<<
  * 
  * # Constants for module users
  */
diff --git a/netfilterqueue.pyx b/netfilterqueue.pyx
index 1f3f20f..889326e 100644
--- a/netfilterqueue.pyx
+++ b/netfilterqueue.pyx
@@ -5,7 +5,7 @@ function.
 Copyright: (c) 2011, Kerkhoff Technologies Inc.
 License: MIT; see LICENSE.txt
 """
-VERSION = (0, 8, 0)
+VERSION = (0, 8, 1)
 
 # Constants for module users
 COPY_NONE = 0
diff --git a/setup.py b/setup.py
index ffc50f8..5762621 100644
--- a/setup.py
+++ b/setup.py
@@ -1,6 +1,6 @@
 from distutils.core import setup, Extension
 
-VERSION = "0.8" # Remember to change README.rst and netfilterqueue.pyx when version changes.
+VERSION = "0.8.1" # Remember to change netfilterqueue.pyx when version changes.
 
 try:
     # Use Cython