diff options
Diffstat (limited to 'doc/man/fccntl.3')
| -rw-r--r-- | doc/man/fccntl.3 | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/doc/man/fccntl.3 b/doc/man/fccntl.3 index 767342b9..3dcfc2d9 100644 --- a/doc/man/fccntl.3 +++ b/doc/man/fccntl.3 @@ -76,6 +76,17 @@ buffer. Takes a \fBsize_t \fIqlen\fR * as third argument. \fBFLOWGTXQLEN\fR - get the current number of packets in the transmit buffer. Takes a \fBsize_t \fIqlen\fR * as third argument. +\fBFLOWSTXQDLY\fR - set the target queueing delay for the transmit +occupancy limiter. Takes a \fBstruct timespec * \fItimeo\fR as third +argument. A zero delay leaves the ring unlimited, bounded only by its +slot count. The build-time default is applied when the flow is +created. The delay must be a normalised, non-negative timespec no +longer than the maximum the limiter accepts. + +\fBFLOWGTXQDLY\fR - retrieve the current target queueing delay for +the transmit occupancy limiter. Takes a \fBstruct timespec * \fItimeo\fR +as third argument. + \fBFRCTSFLAGS\fR - set the current flow flags. Takes an \fBuint16_t \fIflags\fR as third argument. Supported flags are: @@ -101,12 +112,15 @@ On success, \fBfccntl\fR() returns 0. \fBfccntl\fR() can return .B -EINVAL -An invalid argument was passed. +An invalid argument was passed. This is also returned when the delay +passed to FLOWSTXQDLY is negative, is not normalised, or exceeds the +maximum the transmit occupancy limiter accepts. .B -EPERM Operation not permitted. This is returned when requesting the value of a timeout (FLOWGSNDTIMEO or FLOWGRCVTIMEO) when no such timeout was -set. +set, or when FLOWSTXQDLY/FLOWGTXQDLY is used on a flow with no +transmit occupancy ring. .B -EBADF Invalid flow descriptor passed. |