Date: Tue, 2 Mar 2021 15:17:50 GMT From: Kristof Provost <kp@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Subject: git: 2d1773f32319 - stable/12 - bridge/stp: Ensure we enter NET_EPOCH whenever we can send traffic Message-ID: <202103021517.122FHoRs039589@gitrepo.freebsd.org>
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The branch stable/12 has been updated by kp: URL: https://cgit.FreeBSD.org/src/commit/?id=2d1773f323195f2ff4910b1ce0f66207dcae79f3 commit 2d1773f323195f2ff4910b1ce0f66207dcae79f3 Author: Kristof Provost <kp@FreeBSD.org> AuthorDate: 2021-02-21 20:18:46 +0000 Commit: Kristof Provost <kp@FreeBSD.org> CommitDate: 2021-03-02 13:03:06 +0000 bridge/stp: Ensure we enter NET_EPOCH whenever we can send traffic Reviewed by: donner@ MFC after: 1 week Sponsored by: Orange Business Services Differential Revision: https://reviews.freebsd.org/D28858 (cherry picked from commit 89fa9c34d76bbf85cd7cda60c1868f5e3dba4ec7) --- sys/net/bridgestp.c | 2 ++ sys/net/if_bridge.c | 8 +++++++- 2 files changed, 9 insertions(+), 1 deletion(-) diff --git a/sys/net/bridgestp.c b/sys/net/bridgestp.c index ed83a2d646f5..d0259c37bf84 100644 --- a/sys/net/bridgestp.c +++ b/sys/net/bridgestp.c @@ -1871,6 +1871,7 @@ bstp_tick(void *arg) if (bs->bs_running == 0) return; + NET_EPOCH_ENTER(); CURVNET_SET(bs->bs_vnet); /* poll link events on interfaces that do not support linkstate */ @@ -1909,6 +1910,7 @@ bstp_tick(void *arg) } CURVNET_RESTORE(); + NET_EPOCH_EXIT(); callout_reset(&bs->bs_bstpcallout, hz, bstp_tick, bs); } diff --git a/sys/net/if_bridge.c b/sys/net/if_bridge.c index 4e5c9ada12d1..8b25c28eb554 100644 --- a/sys/net/if_bridge.c +++ b/sys/net/if_bridge.c @@ -1408,11 +1408,15 @@ bridge_ioctl_sifflags(struct bridge_softc *sc, void *arg) /* SPAN is readonly */ return (EINVAL); + NET_EPOCH_ENTER(); + if (req->ifbr_ifsflags & IFBIF_STP) { if ((bif->bif_flags & IFBIF_STP) == 0) { error = bstp_enable(&bif->bif_stp); - if (error) + if (error) { + NET_EPOCH_EXIT(); return (error); + } } } else { if ((bif->bif_flags & IFBIF_STP) != 0) @@ -1428,6 +1432,8 @@ bridge_ioctl_sifflags(struct bridge_softc *sc, void *arg) /* Save the bits relating to the bridge */ bif->bif_flags = req->ifbr_ifsflags & IFBIFMASK; + NET_EPOCH_EXIT(); + return (0); }
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