diff options
author | ru <ru@FreeBSD.org> | 2004-04-01 07:54:27 +0000 |
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committer | ru <ru@FreeBSD.org> | 2004-04-01 07:54:27 +0000 |
commit | 88ceef53a845e435bdb13582f46515dae0ef3c84 (patch) | |
tree | 1b65809d2508b7b534ad397e40f1ab49ab83d2df /share/man/man9/mbuf.9 | |
parent | 0ccb317ee8e1fd83090ef708ac43dd19eb9aa554 (diff) | |
download | FreeBSD-src-88ceef53a845e435bdb13582f46515dae0ef3c84.zip FreeBSD-src-88ceef53a845e435bdb13582f46515dae0ef3c84.tar.gz |
Assorted mdoc(7) fixes.
Diffstat (limited to 'share/man/man9/mbuf.9')
-rw-r--r-- | share/man/man9/mbuf.9 | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/share/man/man9/mbuf.9 b/share/man/man9/mbuf.9 index 40136e8..5f2947a 100644 --- a/share/man/man9/mbuf.9 +++ b/share/man/man9/mbuf.9 @@ -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 |