extcap: Provide capture filter to extcap binary

Added the option --extcap-capture-filter to extcap to send the capture filter
from the main screen to the extcap binary.

Change-Id: I75f0d7dbec810551225377f9221053298488cdd5
Reviewed-on: https://code.wireshark.org/review/11423
Reviewed-by: Roland Knall <rknall@gmail.com>
Reviewed-by: Stig Bjørlykke <stig@bjorlykke.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/extcap.h b/extcap.h
index 60f3904ce0..47c6511dc5 100644
--- a/extcap.h
+++ b/extcap.h
@@ -46,6 +46,7 @@
 #define EXTCAP_ARGUMENT_LIST_DLTS               "--extcap-dlts"
 
 #define EXTCAP_ARGUMENT_RUN_CAPTURE             "--capture"
+#define EXTCAP_ARGUMENT_CAPTURE_FILTER          "--extcap-capture-filter"
 #define EXTCAP_ARGUMENT_RUN_PIPE                "--fifo"
 
 #ifdef __cplusplus