Date: Thu, 4 Jun 2009 22:41:36 +0000 (UTC) From: Kip Macy <kmacy@FreeBSD.org> To: src-committers@freebsd.org, svn-src-user@freebsd.org Subject: svn commit: r193472 - user/kmacy/releng_7_2_fcs/sys/net Message-ID: <200906042241.n54Mfawg006683@svn.freebsd.org>
next in thread | raw e-mail | index | archive | help
Author: kmacy Date: Thu Jun 4 22:41:36 2009 New Revision: 193472 URL: http://svn.freebsd.org/changeset/base/193472 Log: add routine to conditionally dequeue from the buf_ring Modified: user/kmacy/releng_7_2_fcs/sys/net/if_var.h Modified: user/kmacy/releng_7_2_fcs/sys/net/if_var.h ============================================================================== --- user/kmacy/releng_7_2_fcs/sys/net/if_var.h Thu Jun 4 22:34:37 2009 (r193471) +++ user/kmacy/releng_7_2_fcs/sys/net/if_var.h Thu Jun 4 22:41:36 2009 (r193472) @@ -613,6 +613,27 @@ drbr_dequeue(struct ifnet *ifp, struct b return (buf_ring_dequeue_sc(br)); } +static __inline struct mbuf * +drbr_dequeue_cond(struct ifnet *ifp, struct buf_ring *br, + int (*func) (struct mbuf *, void *), void *arg) +{ + struct mbuf *m; +#ifdef ALTQ + /* + * XXX need to evaluate / requeue + */ + if (ALTQ_IS_ENABLED(&ifp->if_snd)) { + IFQ_DRV_DEQUEUE(&ifp->if_snd, m); + return (m); + } +#endif + m = buf_ring_peek(br); + if (m == NULL || func(m, arg) == 0) + return (NULL); + + return (buf_ring_dequeue_sc(br)); +} + static __inline int drbr_empty(struct ifnet *ifp, struct buf_ring *br) {
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200906042241.n54Mfawg006683>