Date: Mon, 18 May 2009 17:18:40 +0000 (UTC) From: Sam Leffler <sam@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r192313 - in head/sys: net sys Message-ID: <200905181718.n4IHIeFN068630@svn.freebsd.org>
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Author: sam Date: Mon May 18 17:18:40 2009 New Revision: 192313 URL: http://svn.freebsd.org/changeset/base/192313 Log: add bpf_track eventhandler for monitoring bpf taps attached/detached Reviewed by: csjp Modified: head/sys/net/bpf.c head/sys/sys/eventhandler.h Modified: head/sys/net/bpf.c ============================================================================== --- head/sys/net/bpf.c Mon May 18 17:14:48 2009 (r192312) +++ head/sys/net/bpf.c Mon May 18 17:18:40 2009 (r192313) @@ -534,6 +534,8 @@ bpf_attachd(struct bpf_d *d, struct bpf_ bpf_bpfd_cnt++; BPFIF_UNLOCK(bp); + + EVENTHANDLER_INVOKE(bpf_track, bp->bif_ifp, 1); } /* @@ -561,6 +563,8 @@ bpf_detachd(struct bpf_d *d) BPFD_UNLOCK(d); BPFIF_UNLOCK(bp); + EVENTHANDLER_INVOKE(bpf_track, ifp, 0); + /* * Check if this descriptor had requested promiscuous mode. * If so, turn it off. Modified: head/sys/sys/eventhandler.h ============================================================================== --- head/sys/sys/eventhandler.h Mon May 18 17:14:48 2009 (r192312) +++ head/sys/sys/eventhandler.h Mon May 18 17:18:40 2009 (r192313) @@ -182,6 +182,11 @@ typedef void (*vlan_unconfig_fn)(void *, EVENTHANDLER_DECLARE(vlan_config, vlan_config_fn); EVENTHANDLER_DECLARE(vlan_unconfig, vlan_unconfig_fn); +/* BPF attach/detach events */ +struct ifnet; +typedef void (*bpf_track_fn)(void *, struct ifnet *, int /* 1 =>'s attach */); +EVENTHANDLER_DECLARE(bpf_track, bpf_track_fn); + /* * Process events * process_fork and exit handlers are called without Giant.
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