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| author | glebius <glebius@FreeBSD.org> | 2013-01-25 11:52:56 +0000 |
|---|---|---|
| committer | glebius <glebius@FreeBSD.org> | 2013-01-25 11:52:56 +0000 |
| commit | ff11706b2fb848c833874a27d918f24b88505bfb (patch) | |
| tree | 40b66b6be0cafe2a06b3c31ae38473e492ccb136 /sys/sys/mbuf.h | |
| parent | dd0eb20382bcea2fc3cb1e28f4ff602a779604dc (diff) | |
| download | FreeBSD-src-ff11706b2fb848c833874a27d918f24b88505bfb.zip FreeBSD-src-ff11706b2fb848c833874a27d918f24b88505bfb.tar.gz | |
In mbuf(9) API length is always integer. Thus, cast mbuf length
constants to be integers.
Reviewed by: bde
Diffstat (limited to 'sys/sys/mbuf.h')
| -rw-r--r-- | sys/sys/mbuf.h | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/sys/sys/mbuf.h b/sys/sys/mbuf.h index e0be82c..af7f92b 100644 --- a/sys/sys/mbuf.h +++ b/sys/sys/mbuf.h @@ -52,11 +52,14 @@ * stored. Additionally, it is possible to allocate a separate buffer * externally and attach it to the mbuf in a way similar to that of mbuf * clusters. + * + * MLEN is data length in a normal mbuf. + * MHLEN is data length in an mbuf with pktheader. + * MINCLSIZE is a smallest amount of data that should be put into cluster. */ -#define MLEN (MSIZE - sizeof(struct m_hdr)) /* normal data len */ -#define MHLEN (MLEN - sizeof(struct pkthdr)) /* data len w/pkthdr */ -#define MINCLSIZE (MHLEN + 1) /* smallest amount to put in cluster */ -#define M_MAXCOMPRESS (MHLEN / 2) /* max amount to copy for compression */ +#define MLEN ((int)(MSIZE - sizeof(struct m_hdr))) +#define MHLEN ((int)(MLEN - sizeof(struct pkthdr))) +#define MINCLSIZE (MHLEN + 1) #ifdef _KERNEL /*- |
