[PATCH 05/17] net/virtio: don't dump split virtqueue data
From: Jens Freimann <hidden>
Date: 2018-03-16 15:21:42
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
VIRTQUEUE_DUMP access split virtqueue data which is not correct when packed virtqueues are used. Signed-off-by: Jens Freimann <redacted> --- drivers/net/virtio/virtqueue.h | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/net/virtio/virtqueue.h b/drivers/net/virtio/virtqueue.h
index cc2e7c0..82160ca 100644
--- a/drivers/net/virtio/virtqueue.h
+++ b/drivers/net/virtio/virtqueue.h@@ -359,7 +359,9 @@ struct virtio_tx_region { } #ifdef RTE_LIBRTE_VIRTIO_DEBUG_DUMP -#define VIRTQUEUE_DUMP(vq) do { \ +#define VIRTQUEUE_DUMP(vq) \ + do { \ + if (vtpci_packed_queue((vq)->hw)) break; \ uint16_t used_idx, nused; \ used_idx = (vq)->vq_ring.used->idx; \ nused = (uint16_t)(used_idx - (vq)->vq_used_cons_idx); \
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1.8.3.1