Attachment #217604 for bug #246885




.\"
.\" $FreeBSD$
.\"
.Dd August 29, 2020
.Dt EM 4
.Os
.Sh NAME

.Pp
Furthermore it supports TCP segmentation offload (TSO) on all adapters but
those based on the 82543, 82544 and 82547 controller chips.
The identification LEDs of the adapters supported by the
.Nm
driver can be controlled via the
.Xr led 4
API for localization purposes.
For further hardware information, see the
.Pa README
included with the driver.

is non-zero, this tunable limits the maximum delay in which a transmit
interrupt is generated.
.El
.Sh FILES
.Bl -tag -width /dev/led/em*
.It Pa /dev/led/em*
identification LED device nodes
.El
.Sh EXAMPLES
Make the identification LED of em0 blink:
.Pp
.Dl "echo f2 > /dev/led/em0"
.Pp
Turn the identification LED of em0 off again:
.Pp
.Dl "echo 0 > /dev/led/em0"
.Sh DIAGNOSTICS
.Bl -diag
.It "em%d: Unable to allocate bus resource: memory"

.Xr altq 4 ,
.Xr arp 4 ,
.Xr iflib 4 ,
.Xr led 4 ,
.Xr netintro 4 ,
.Xr ng_ether 4 ,
.Xr polling 4 ,

Return to bug 246885

Lines 31-37 Link Here

(-)share/man/man4/em.4 (-20 / +1 lines)
31	.\"	31	.\"
32	.\" $FreeBSD$	32	.\" $FreeBSD$
33	.\"	33	.\"
34	.Dd January 30, 2019	34	.Dd August 29, 2020
35	.Dt EM 4	35	.Dt EM 4
36	.Os	36	.Os
37	.Sh NAME	37	.Sh NAME
Lines 70-80 on all but 82542-based adapters. Link Here
70	.Pp	70	.Pp
71	Furthermore it supports TCP segmentation offload (TSO) on all adapters but	71	Furthermore it supports TCP segmentation offload (TSO) on all adapters but
72	those based on the 82543, 82544 and 82547 controller chips.	72	those based on the 82543, 82544 and 82547 controller chips.
73	The identification LEDs of the adapters supported by the
74	.Nm
75	driver can be controlled via the
76	.Xr led 4
77	API for localization purposes.
78	For further hardware information, see the	73	For further hardware information, see the
79	.Pa README	74	.Pa README
80	included with the driver.	75	included with the driver.
Lines 265-283 If Link Here
265	is non-zero, this tunable limits the maximum delay in which a transmit	260	is non-zero, this tunable limits the maximum delay in which a transmit
266	interrupt is generated.	261	interrupt is generated.
267	.El	262	.El
268	.Sh FILES
269	.Bl -tag -width /dev/led/em*
270	.It Pa /dev/led/em*
271	identification LED device nodes
272	.El
273	.Sh EXAMPLES
274	Make the identification LED of em0 blink:
275	.Pp
276	.Dl "echo f2 > /dev/led/em0"
277	.Pp
278	Turn the identification LED of em0 off again:
279	.Pp
280	.Dl "echo 0 > /dev/led/em0"
281	.Sh DIAGNOSTICS	263	.Sh DIAGNOSTICS
282	.Bl -diag	264	.Bl -diag
283	.It "em%d: Unable to allocate bus resource: memory"	265	.It "em%d: Unable to allocate bus resource: memory"
Lines 301-307 issue to Link Here
301	.Xr altq 4 ,	283	.Xr altq 4 ,
302	.Xr arp 4 ,	284	.Xr arp 4 ,
303	.Xr iflib 4 ,	285	.Xr iflib 4 ,
304	.Xr led 4 ,
305	.Xr netintro 4 ,	286	.Xr netintro 4 ,
306	.Xr ng_ether 4 ,	287	.Xr ng_ether 4 ,
307	.Xr polling 4 ,	288	.Xr polling 4 ,