diff options
| author | David Gwynne <dlg@cvs.openbsd.org> | 2019-02-26 04:04:31 +0000 |
|---|---|---|
| committer | David Gwynne <dlg@cvs.openbsd.org> | 2019-02-26 04:04:31 +0000 |
| commit | e679687c9f95d9171e09c15bb54b5ff8b572aac3 (patch) | |
| tree | 518a71c0353c4db3d22d2a1f098765407d695cfe | |
| parent | 9a3ca4b7063b51bc0391abadeba45469fdfee2b2 (diff) | |
don't let rxr completely fill the rxr ring.
at the moment there are 256 slots on the right. if rxr raises the
high watermark to 256, we overwrite ring entries.
| -rw-r--r-- | sys/dev/pci/if_ix.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sys/dev/pci/if_ix.c b/sys/dev/pci/if_ix.c index a69d669a241..b23dce349cd 100644 --- a/sys/dev/pci/if_ix.c +++ b/sys/dev/pci/if_ix.c @@ -1,4 +1,4 @@ -/* $OpenBSD: if_ix.c,v 1.154 2019/02/26 03:09:50 dlg Exp $ */ +/* $OpenBSD: if_ix.c,v 1.155 2019/02/26 04:04:30 dlg Exp $ */ /****************************************************************************** @@ -2483,7 +2483,7 @@ ixgbe_setup_receive_ring(struct rx_ring *rxr) rxr->last_desc_filled = sc->num_rx_desc - 1; if_rxr_init(&rxr->rx_ring, 2 * ((ifp->if_hardmtu / MCLBYTES) + 1), - sc->num_rx_desc); + sc->num_rx_desc - 1); ixgbe_rxfill(rxr); if (if_rxr_inuse(&rxr->rx_ring) == 0) { |