Module Name: src
Committed By: skrll
Date: Sun Jul 3 13:21:28 UTC 2022
Modified Files:
src/sys/dev/pci: if_bge.c
Log Message:
Perform a BUS_DMASYNC_POSTREAD on the bge_status_block before reading from
it as required by bus_dma(9).
To generate a diff of this commit:
cvs rdiff -u -r1.362 -r1.363 src/sys/dev/pci/if_bge.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/dev/pci/if_bge.c
diff -u src/sys/dev/pci/if_bge.c:1.362 src/sys/dev/pci/if_bge.c:1.363
--- src/sys/dev/pci/if_bge.c:1.362 Sat Jul 2 08:39:48 2022
+++ src/sys/dev/pci/if_bge.c Sun Jul 3 13:21:28 2022
@@ -1,4 +1,4 @@
-/* $NetBSD: if_bge.c,v 1.362 2022/07/02 08:39:48 skrll Exp $ */
+/* $NetBSD: if_bge.c,v 1.363 2022/07/03 13:21:28 skrll Exp $ */
/*
* Copyright (c) 2001 Wind River Systems
@@ -79,7 +79,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_bge.c,v 1.362 2022/07/02 08:39:48 skrll Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_bge.c,v 1.363 2022/07/03 13:21:28 skrll Exp $");
#include <sys/param.h>
@@ -4392,6 +4392,11 @@ bge_rxeof(struct bge_softc *sc)
bus_size_t tlen;
int tosync;
+ bus_dmamap_sync(sc->bge_dmatag, sc->bge_ring_map,
+ offsetof(struct bge_ring_data, bge_status_block),
+ sizeof (struct bge_status_block),
+ BUS_DMASYNC_POSTREAD);
+
rx_cons = sc->bge_rx_saved_considx;
rx_prod = sc->bge_rdata->bge_status_block.bge_idx[0].bge_rx_prod_idx;
@@ -4399,11 +4404,6 @@ bge_rxeof(struct bge_softc *sc)
if (rx_cons == rx_prod)
return;
- bus_dmamap_sync(sc->bge_dmatag, sc->bge_ring_map,
- offsetof(struct bge_ring_data, bge_status_block),
- sizeof (struct bge_status_block),
- BUS_DMASYNC_POSTREAD);
-
offset = offsetof(struct bge_ring_data, bge_rx_return_ring);
tosync = rx_prod - rx_cons;
