From: Noa Osherovich <noaos@xxxxxxxxxxxx>
Check device's capabilities and report which raw packet capabilities
are supported.
Signed-off-by: Noa Osherovich <noaos@xxxxxxxxxxxx>
Reviewed-by: Maor Gottlieb <maorg@xxxxxxxxxxxx>
Reviewed-by: Yishai Hadas <yishaih@xxxxxxxxxxxx>
Signed-off-by: Leon Romanovsky <leon@xxxxxxxxxx>
---
drivers/infiniband/hw/mlx5/main.c | 14 ++++++++++++--
1 file changed, 12 insertions(+), 2 deletions(-)
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index a191b93..753635b 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -564,8 +564,15 @@ static int mlx5_ib_query_device(struct ib_device *ibdev,
props->device_cap_flags |= IB_DEVICE_BLOCK_MULTICAST_LOOPBACK;
if (MLX5_CAP_GEN(dev->mdev, eth_net_offloads)) {
- if (MLX5_CAP_ETH(mdev, csum_cap))
+ if (MLX5_CAP_ETH(mdev, csum_cap)) {
+ /* Legacy bit to support old userspace libraries */
props->device_cap_flags |= IB_DEVICE_RAW_IP_CSUM;
+ props->raw_packet_caps |= IB_RAW_PACKET_CAP_IP_CSUM;
+ }
+
+ if (MLX5_CAP_ETH(dev->mdev, vlan_cap))
+ props->raw_packet_caps |=
+ IB_RAW_PACKET_CAP_CVLAN_STRIPPING;
if (field_avail(typeof(resp), tso_caps, uhw->outlen)) {
max_tso = MLX5_CAP_ETH(mdev, max_lso_cap);
@@ -604,8 +611,11 @@ static int mlx5_ib_query_device(struct ib_device *ibdev,
}
if (MLX5_CAP_GEN(dev->mdev, eth_net_offloads) &&
- MLX5_CAP_ETH(dev->mdev, scatter_fcs))
+ MLX5_CAP_ETH(dev->mdev, scatter_fcs)) {
+ /* Legacy bit to support old userspace libraries */
props->device_cap_flags |= IB_DEVICE_RAW_SCATTER_FCS;
+ props->raw_packet_caps |= IB_RAW_PACKET_CAP_SCATTER_FCS;
+ }
if (mlx5_get_flow_namespace(dev->mdev, MLX5_FLOW_NAMESPACE_BYPASS))
props->device_cap_flags |= IB_DEVICE_MANAGED_FLOW_STEERING;
--
2.10.2
--
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