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| author | Michael Tuexen <tuexen@FreeBSD.org> | 2021-08-26 17:27:04 +0000 |
|---|---|---|
| committer | Michael Tuexen <tuexen@FreeBSD.org> | 2021-12-10 10:50:01 +0000 |
| commit | 42cb69e147e30000bd35c97d4212da4540b862dd (patch) | |
| tree | eae9b20d39d7466a4438f37978292f57dba4f5f2 | |
| parent | 30cc6218953989191839e04fb86203482b438f74 (diff) | |
| download | src-42cb69e147e30000bd35c97d4212da4540b862dd.tar.gz src-42cb69e147e30000bd35c97d4212da4540b862dd.zip | |
Hyper-V: hn: Enter network epoch when required
PR: 254695
(cherry picked from commit 26d79d40a74fc804c76acd88a1f8f10f9827a2b3)
| -rw-r--r-- | sys/dev/hyperv/netvsc/if_hn.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/sys/dev/hyperv/netvsc/if_hn.c b/sys/dev/hyperv/netvsc/if_hn.c index 725e3d7a7553..d562a937ecad 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, |