Change m_devget()'s outdated and unused "offset" argument: It is

now the offset into the first mbuf of the target chain before copying
the source data over.  From FreeBSD.

Convert drivers' use of m_devget().  Mostly from thib@.

Update mbuf(9) man page.

ok claudio@, thib@

1 files changed, 10 insertions, 10 deletions

diff --git a/share/man/man9/mbuf.9 b/share/man/man9/mbuf.9
index 1dde48fa168..ed0e6628dd5 100644
--- a/share/man/man9/mbuf.9
+++ b/share/man/man9/mbuf.9
@@ -1,4 +1,4 @@
-.\"     $OpenBSD: mbuf.9,v 1.35 2008/09/18 15:16:30 naddy Exp $
+.\"     $OpenBSD: mbuf.9,v 1.36 2008/10/14 18:01:53 naddy Exp $
 .\"
 .\" Copyright (c) 2001 Jean-Jacques Bernard-Gundol <jjbg@openbsd.org>
 .\" All rights reserved.
@@ -25,7 +25,7 @@
 .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 .\"
-.Dd $Mdocdate: September 18 2008 $
+.Dd $Mdocdate: October 14 2008 $
 .Dt MBUF 9
 .Os
 .Sh NAME
@@ -581,15 +581,15 @@ Copy
 bytes of data from device local memory pointed to by
 .Fa buf
 using the function
-.Fa func .
-The data is copied into an mbuf chain and a pointer to the head of it
-is returned.
-If
-.Fa off
-is non-zero, it means the packet is trailer-encapsulated and
+.Fa func
+or
+.Fn bcopy
+if
+.Fa func
+is NULL.
+The data is copied into an mbuf chain at offset
 .Fa off
-bytes plus the type and length fields will be skipped before doing the
-copy.
+and a pointer to the head of the chain is returned.
 Returns NULL on failure.
 .It Fn m_zero "struct mbuf *m"
 Zeroize the data part of the mbufs in the mbuf chain pointed to by