Add support for sending packets; includes contributions from Mark

[libpcap] / pcap-dag.c

diff --git a/pcap-dag.c b/pcap-dag.c
index b466fc7803c5918291a2a843dd102038a7f2bd42..c918b3e10df0108333367b67a6113d567346cdbf 100644 (file)
--- a/pcap-dag.c
+++ b/pcap-dag.c
@@ -15,7 +15,7 @@
 
 #ifndef lint
 static const char rcsid[] _U_ =
-       "@(#) $Header: /tcpdump/master/libpcap/pcap-dag.c,v 1.17 2004-01-30 02:23:53 guy Exp $ (LBL)";
+       "@(#) $Header: /tcpdump/master/libpcap/pcap-dag.c,v 1.18 2004-03-23 19:18:04 guy Exp $ (LBL)";
 #endif
 
 #ifdef HAVE_CONFIG_H
@@ -377,6 +377,14 @@ dag_read(pcap_t *p, int cnt, pcap_handler callback, u_char *user)
        return processed;
 }
 
+static int
+dag_inject(pcap_t *p, const void *buf _U_, size_t size _U_)
+{
+       strlcpy(p->errbuf, "Sending packets isn't supported on DAG cards",
+           PCAP_ERRBUF_SIZE);
+       return (-1);
+}
+
 /*
  *  Get a handle for a live capture from the given DAG device.  Passing a NULL
  *  device will result in a failure.  The promisc flag is ignored because DAG
@@ -503,6 +511,7 @@ dag_open_live(const char *device, int snaplen, int promisc, int to_ms, char *ebu
 #endif
 
        handle->read_op = dag_read;
+       handle->inject_op = dag_inject;
        handle->setfilter_op = dag_setfilter;
        handle->set_datalink_op = dag_set_datalink;
        handle->getnonblock_op = pcap_getnonblock_fd;