libaitio/inc/aitio.h - diff

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-version 1.31.2.1, 2013/06/24 11:09:55
+version 1.31.2.4, 2013/06/25 08:18:57
  Line 400  int io_get1stiface(char *szIface, int iflen);
   *
   * @csIface = interface name
   * @flags = open flags
+  * @whdr = with complete headers
+  * @buflen = buffer length
+  * @zcbuf = zero copy buffer, if BPF supports it and isn't NULL
   * return: -1 error or >-1 bpf handle
   */
-int io_etherOpen(const char *csIface, int flags);
+int io_etherOpen(const char *csIface, int flags, int whdr,
+                unsigned int *buflen, void **zcbuf);
  /*
   * io_etherClose() - Close BPF interface
   *
   * @eth = bpf handle
+  * @zcbuf = zero copy buffer, if BPF supports it and isn't NULL
   * return: none
   */
-void io_etherClose(int eth);
+void io_etherClose(int eth, void **zcbuf);
+/*
+ * io_etherSend() - Send packet to bpf
+ *
+ * @eth = bpf handle
+ * @buf = buffer
+ * @buflen = buffer length
+ * return: -1 error or !=-1 written bytes
+ */
+ssize_t io_etherSend(int eth, const void *buf, size_t buflen);
+/*
+ * io_etherRecv() - Receive packet from bpf
+ *
+ * @eth = bpf handle
+ * @buf = buffer
+ * @buflen = buffer length
+ * @zcbuf = zero copy buffer, if BPF supports it and isn't NULL
+ * return: -1 error or !=-1 readed bytes
+ */
+ssize_t io_etherRecv(int eth, void * __restrict buf,
+                size_t buflen, void * __restrict zcbuf);
  #endif