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Assorted mdoc(7) fixes.

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This commit is contained in:
Ruslan Ermilov 2004-04-01 07:54:27 +00:00
parent bdf861859a
commit f48cbcdecc
1 changed files with 11 additions and 8 deletions
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19
share/man/man9/mbuf.9
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@ -228,7 +228,7 @@ types are defined as follows:
#define MT_FTABLE 11 /* fragment reassembly header */
#define MT_TAG 13 /* volatile metadata associated to pkts */
#define MT_CONTROL 14 /* extra-data protocol message */
#define MT_OOBDATA 15 /* expedited data */
#define MT_OOBDATA 15 /* expedited data */
.Ed
.Pp
If the
@ -777,7 +777,8 @@ Apply a function to an
at offset
.Fa off ,
for length
.Fa len bytes .
.Fa len
bytes.
Typically used to avoid calls to
.Fn m_pullup
which would otherwise be unnecessary or undesirable.
@ -809,7 +810,7 @@ bytes from the beginning of the
The corresponding offset into the mbuf will be stored in
.Fa *off .
.It Fn m_defrag m0 how
Defragment a mbuf chain, returning the shortest possible
Defragment an mbuf chain, returning the shortest possible
chain of mbufs and clusters.
If allocation fails and this can not be completed,
.Dv NULL
@ -864,7 +865,7 @@ is consulted for the capabilities of the interface to assist in
computing checksums.
The
.Va csum_flags
field of the packet is set to indicate which actions the interface
field of the packet header is set to indicate which actions the interface
is supposed to perform on it.
The actions unsupported by the network interface are done in the
software prior to passing the packet down to the interface driver;
@ -879,9 +880,11 @@ corresponding field of the packet.
The hardware is expected to know the format of an IP header
to determine the offset of the IP checksum field.
.It Dv CSUM_TCP
The TCP checksum is to be computed. (See below.)
The TCP checksum is to be computed.
(See below.)
.It Dv CSUM_UDP
The UDP checksum is to be computed. (See below.)
The UDP checksum is to be computed.
(See below.)
.El
.Pp
Should a TCP or UDP checksum be offloaded to the hardware,
@ -973,7 +976,7 @@ and set
to
.Li 0xFFFF
hexadecimal to indicate a valid checksum.
It's a peculiarity of the algorithm used that the Internet checksum
It is a peculiarity of the algorithm used that the Internet checksum
calculated over any valid packet will be
.Li 0xFFFF
as long as the original checksum field is included.
@ -1025,7 +1028,7 @@ should be tested with this feature.
.Sh RETURN VALUES
See above.
.Sh SEE ALSO
.Xr ifnet 9 .
.Xr ifnet 9
.Sh HISTORY
.\" Please correct me if I'm wrong
.Vt Mbufs