> On 26. Aug 2021, at 19:32, Michael Tuexen <tue...@freebsd.org> wrote: > > The branch main has been updated by tuexen: > > URL: > https://cgit.FreeBSD.org/src/commit/?id=26d79d40a74fc804c76acd88a1f8f10f9827a2b3 > > commit 26d79d40a74fc804c76acd88a1f8f10f9827a2b3 > Author: Michael Tuexen <tue...@freebsd.org> > AuthorDate: 2021-08-26 17:27:04 +0000 > Commit: Michael Tuexen <tue...@freebsd.org> > CommitDate: 2021-08-26 17:32:00 +0000 > > Hyper-V: hn: Enter network epoch when required > > PR: 254695 Missing: Reviewed by: hselasky, gallatin Tested by: gbe MFC after: 1 week Sponsored by: Netflix, Inc. Differential Revision: https://reviews.freebsd.org/D31679 > --- > sys/dev/hyperv/netvsc/if_hn.c | 8 ++++++++ > 1 file changed, 8 insertions(+) > > diff --git a/sys/dev/hyperv/netvsc/if_hn.c b/sys/dev/hyperv/netvsc/if_hn.c > index cd0b5a5fa8b9..0ec398bed670 100644 > --- a/sys/dev/hyperv/netvsc/if_hn.c > +++ b/sys/dev/hyperv/netvsc/if_hn.c > @@ -83,6 +83,7 @@ __FBSDID("$FreeBSD$"); > #include <sys/taskqueue.h> > #include <sys/buf_ring.h> > #include <sys/eventhandler.h> > +#include <sys/epoch.h> > > #include <machine/atomic.h> > #include <machine/in_cksum.h> > @@ -2883,7 +2884,11 @@ static void > hn_chan_rollup(struct hn_rx_ring *rxr, struct hn_tx_ring *txr) > { > #if defined(INET) || defined(INET6) > + struct epoch_tracker et; > + > + NET_EPOCH_ENTER(et); > tcp_lro_flush_all(&rxr->hn_lro); > + NET_EPOCH_EXIT(et); > #endif > > /* > @@ -7459,6 +7464,7 @@ static void > hn_nvs_handle_rxbuf(struct hn_rx_ring *rxr, struct vmbus_channel *chan, > const struct vmbus_chanpkt_hdr *pkthdr) > { > + struct epoch_tracker et; > const struct vmbus_chanpkt_rxbuf *pkt; > const struct hn_nvs_hdr *nvs_hdr; > int count, i, hlen; > @@ -7496,6 +7502,7 @@ hn_nvs_handle_rxbuf(struct hn_rx_ring *rxr, struct > vmbus_channel *chan, > return; > } > > + NET_EPOCH_ENTER(et); > /* Each range represents 1 RNDIS pkt that contains 1 Ethernet frame */ > for (i = 0; i < count; ++i) { > int ofs, len; > @@ -7511,6 +7518,7 @@ hn_nvs_handle_rxbuf(struct hn_rx_ring *rxr, struct > vmbus_channel *chan, > rxr->rsc.is_last = (i == (count - 1)); > hn_rndis_rxpkt(rxr, rxr->hn_rxbuf + ofs, len); > } > + NET_EPOCH_EXIT(et); > > /* > * Ack the consumed RXBUF associated w/ this channel packet,
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