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authorharti <harti@FreeBSD.org>2003-06-03 07:58:39 +0000
committerharti <harti@FreeBSD.org>2003-06-03 07:58:39 +0000
commit10cb1ccf4538bdf79663960fe7306f3f380faf50 (patch)
treef4f1a9ec9ca07eaebc558ce74917292e2753753c /share/man/man4/en.4
parent27ff96520ca8154070660a1391cc32c748f575a0 (diff)
downloadFreeBSD-src-10cb1ccf4538bdf79663960fe7306f3f380faf50.zip
FreeBSD-src-10cb1ccf4538bdf79663960fe7306f3f380faf50.tar.gz
The midway driver has been busdmaified and is not i386-specific anymore.
Repo-copy it from the i386 specific man4 section to the common one. Remove the i386 keyword from the man page header. Document the sysctl interface to the driver. Fix a spelling error (ALL -> AAL).
Diffstat (limited to 'share/man/man4/en.4')
-rw-r--r--share/man/man4/en.418
1 files changed, 15 insertions, 3 deletions
diff --git a/share/man/man4/en.4 b/share/man/man4/en.4
index f13160e..15a0299 100644
--- a/share/man/man4/en.4
+++ b/share/man/man4/en.4
@@ -1,7 +1,7 @@
.\" $FreeBSD$
.\"
-.Dd December 29, 1997
-.Dt EN 4 i386
+.Dd June 3, 2003
+.Dt EN 4
.Os
.Sh NAME
.Nm en
@@ -14,7 +14,7 @@ The
.Nm
device driver supports Midway-based ATM interfaces including the
Efficient Networks, Inc. ENI-155 and Adaptec ANA-59x0.
-Midway is an ALL5 SAR (Segmentation and Reassembly) chip.
+Midway is an AAL5 SAR (Segmentation and Reassembly) chip.
.Pp
The driver only supports ATM PVCs. SVC or ATM-ARP is not supported.
.Pp
@@ -28,6 +28,18 @@ byte encoding of the following flags.
.Dl 0x02 (if using AAL5, use a LLCSNAP header)
Thus, parameter 3 means AAL5 and LLC/SNAP encapsulation.
Note that BPF works only with LLC/SNAP encapsulation.
+.Pp
+The following sysctls are recognized by the driver:
+.Bl -tag -width XXX
+.It Cm hw.atm.enX.istats
+Contains an array of
+.Vt uint32_t
+with internal driver statistics.
+.It Cm hw.atm.enX.debug
+This is a bit map of debugging options.
+This variable is only available when the driver is compiled with debugging
+support.
+.EL
.Sh EXAMPLES
Suppose you have 2 hosts 128.252.200.1 and 128.252.200.2 connected
by ATM through PVC # 201 (0xc9).
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