Date: Sat, 18 Oct 2025 05:14:17 GMT From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: 7a72e88781ae - main - kqueue: handle copy for netmap filters Message-ID: <202510180514.59I5EHTs062535@gitrepo.freebsd.org>
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The branch main has been updated by kib: URL: https://cgit.FreeBSD.org/src/commit/?id=7a72e88781ae294aae6b97e1972cb19b2a670412 commit 7a72e88781ae294aae6b97e1972cb19b2a670412 Author: Konstantin Belousov <kib@FreeBSD.org> AuthorDate: 2025-08-23 14:42:19 +0000 Commit: Konstantin Belousov <kib@FreeBSD.org> CommitDate: 2025-10-18 05:12:36 +0000 kqueue: handle copy for netmap filters Reviewed by: markj Tested by: pho Sponsored by: The FreeBSD Foundation MFC after: 2 weeks Differential revision: https://reviews.freebsd.org/D52045 --- sys/dev/netmap/netmap_freebsd.c | 17 ++++++++++++++++- 1 file changed, 16 insertions(+), 1 deletion(-) diff --git a/sys/dev/netmap/netmap_freebsd.c b/sys/dev/netmap/netmap_freebsd.c index ac267a66d669..9fb4370129f3 100644 --- a/sys/dev/netmap/netmap_freebsd.c +++ b/sys/dev/netmap/netmap_freebsd.c @@ -1407,19 +1407,34 @@ netmap_knwrite(struct knote *kn, long hint) return netmap_knrw(kn, hint, POLLOUT); } +static int +netmap_kncopy(struct knote *kn, struct proc *p1) +{ + struct netmap_priv_d *priv; + struct nm_selinfo *si; + + priv = kn->kn_hook; + si = priv->np_si[kn->kn_filter == EVFILT_WRITE ? NR_TX : NR_RX]; + NMG_LOCK(); + si->kqueue_users++; + NMG_UNLOCK(); + return (0); +} + static const struct filterops netmap_rfiltops = { .f_isfd = 1, .f_detach = netmap_knrdetach, .f_event = netmap_knread, + .f_copy = netmap_kncopy, }; static const struct filterops netmap_wfiltops = { .f_isfd = 1, .f_detach = netmap_knwdetach, .f_event = netmap_knwrite, + .f_copy = netmap_kncopy, }; - /* * This is called when a thread invokes kevent() to record * a change in the configuration of the kqueue().home | help
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