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authorLinus Torvalds <torvalds@linux-foundation.org>2020-08-11 23:34:17 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2020-08-11 23:34:17 +0200
commit57b077939287835b9396a1c3b40d35609cf2fcb8 (patch)
tree32948b4a9b5cf26c7326d23367ee19f7573928a3 /drivers/platform
parentMerge tag 'for-v5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris... (diff)
parentvdpa/mlx5: fix up endian-ness for mtu (diff)
downloadlinux-57b077939287835b9396a1c3b40d35609cf2fcb8.tar.xz
linux-57b077939287835b9396a1c3b40d35609cf2fcb8.zip
Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
Pull virtio updates from Michael Tsirkin: - IRQ bypass support for vdpa and IFC - MLX5 vdpa driver - Endianness fixes for virtio drivers - Misc other fixes * tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: (71 commits) vdpa/mlx5: fix up endian-ness for mtu vdpa: Fix pointer math bug in vdpasim_get_config() vdpa/mlx5: Fix pointer math in mlx5_vdpa_get_config() vdpa/mlx5: fix memory allocation failure checks vdpa/mlx5: Fix uninitialised variable in core/mr.c vdpa_sim: init iommu lock virtio_config: fix up warnings on parisc vdpa/mlx5: Add VDPA driver for supported mlx5 devices vdpa/mlx5: Add shared memory registration code vdpa/mlx5: Add support library for mlx5 VDPA implementation vdpa/mlx5: Add hardware descriptive header file vdpa: Modify get_vq_state() to return error code net/vdpa: Use struct for set/get vq state vdpa: remove hard coded virtq num vdpasim: support batch updating vhost-vdpa: support IOTLB batching hints vhost-vdpa: support get/set backend features vhost: generialize backend features setting/getting vhost-vdpa: refine ioctl pre-processing vDPA: dont change vq irq after DRIVER_OK ...
Diffstat (limited to 'drivers/platform')
-rw-r--r--drivers/platform/mellanox/mlxbf-tmfifo.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/platform/mellanox/mlxbf-tmfifo.c b/drivers/platform/mellanox/mlxbf-tmfifo.c
index 5739a9669b29..bbc4e71a16ff 100644
--- a/drivers/platform/mellanox/mlxbf-tmfifo.c
+++ b/drivers/platform/mellanox/mlxbf-tmfifo.c
@@ -625,7 +625,10 @@ static void mlxbf_tmfifo_rxtx_header(struct mlxbf_tmfifo_vring *vring,
vdev_id = VIRTIO_ID_NET;
hdr_len = sizeof(struct virtio_net_hdr);
config = &fifo->vdev[vdev_id]->config.net;
- if (ntohs(hdr.len) > config->mtu +
+ /* A legacy-only interface for now. */
+ if (ntohs(hdr.len) >
+ __virtio16_to_cpu(virtio_legacy_is_little_endian(),
+ config->mtu) +
MLXBF_TMFIFO_NET_L2_OVERHEAD)
return;
} else {
@@ -1231,8 +1234,12 @@ static int mlxbf_tmfifo_probe(struct platform_device *pdev)
/* Create the network vdev. */
memset(&net_config, 0, sizeof(net_config));
- net_config.mtu = ETH_DATA_LEN;
- net_config.status = VIRTIO_NET_S_LINK_UP;
+
+ /* A legacy-only interface for now. */
+ net_config.mtu = __cpu_to_virtio16(virtio_legacy_is_little_endian(),
+ ETH_DATA_LEN);
+ net_config.status = __cpu_to_virtio16(virtio_legacy_is_little_endian(),
+ VIRTIO_NET_S_LINK_UP);
mlxbf_tmfifo_get_cfg_mac(net_config.mac);
rc = mlxbf_tmfifo_create_vdev(dev, fifo, VIRTIO_ID_NET,
MLXBF_TMFIFO_NET_FEATURES, &net_config,