table of contents
| NG_ECHO(4) | Device Drivers Manual | NG_ECHO(4) |
NAME¶
ng_echo — netgraph
echo node type
SYNOPSIS¶
#include
<netgraph/ng_echo.h>
DESCRIPTION¶
The echo node type reflects all data and
control messages back to the sender. This node type is used for testing and
debugging.
HOOKS¶
A echo node accepts any request to
connect, regardless of the hook name, as long as the name is unique.
CONTROL MESSAGES¶
This node type supports only the generic control messages. Any other control messages are reflected back to the sender.
SHUTDOWN¶
This node shuts down upon receipt of a
NGM_SHUTDOWN control message, or when all hooks have
been disconnected.
SEE ALSO¶
HISTORY¶
The ng_echo node type was implemented in
FreeBSD 4.0.
AUTHORS¶
Julian Elischer <julian@FreeBSD.org>
| January 19, 1999 | Debian |