diff options
| author | David Gwynne <dlg@cvs.openbsd.org> | 2015-11-21 00:32:47 +0000 |
|---|---|---|
| committer | David Gwynne <dlg@cvs.openbsd.org> | 2015-11-21 00:32:47 +0000 |
| commit | 9f7e052a7fca5c9ece1df332904e2e3695a0d889 (patch) | |
| tree | 7183d3d5f6241132c63da183735ebf481d208620 /sys | |
| parent | 0fa2d7a2b33773a35ccd3372f54eb80dba5a30b2 (diff) | |
provide MBUF_LIST_FIRST and MBUF_LIST_NEXT for iterating over an mbuf_list.
MBUF_LIST_FOREACH is then rewritten on top of those.
this makes it easier to get at the head of a list too, which may make
the hfsc ifq backend nicer.
based on a discussion with kenjiro cho
ok mpi@
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/sys/mbuf.h | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/sys/sys/mbuf.h b/sys/sys/mbuf.h index 81bcdddacc5..2d1f5271d8f 100644 --- a/sys/sys/mbuf.h +++ b/sys/sys/mbuf.h @@ -1,4 +1,4 @@ -/* $OpenBSD: mbuf.h,v 1.203 2015/11/20 03:35:23 dlg Exp $ */ +/* $OpenBSD: mbuf.h,v 1.204 2015/11/21 00:32:46 dlg Exp $ */ /* $NetBSD: mbuf.h,v 1.19 1996/02/09 18:25:14 christos Exp $ */ /* @@ -504,8 +504,13 @@ unsigned int ml_purge(struct mbuf_list *); #define ml_len(_ml) ((_ml)->ml_len) #define ml_empty(_ml) ((_ml)->ml_len == 0) -#define MBUF_LIST_FOREACH(_ml, _m) \ - for ((_m) = (_ml)->ml_head; (_m) != NULL; (_m) = (_m)->m_nextpkt) +#define MBUF_LIST_FIRST(_ml) ((_ml)->ml_head) +#define MBUF_LIST_NEXT(_m) ((_m)->m_nextpkt) + +#define MBUF_LIST_FOREACH(_ml, _m) \ + for ((_m) = MBUF_LIST_FIRST(_ml); \ + (_m) != NULL; \ + (_m) = MBUF_LIST_NEXT(_m)) /* * mbuf queues |