diff options
Diffstat (limited to 'drivers/infiniband')
| -rw-r--r-- | drivers/infiniband/hw/mlx4/cq.c | 16 | ||||
| -rw-r--r-- | drivers/infiniband/hw/mlx4/main.c | 2 | ||||
| -rw-r--r-- | drivers/infiniband/hw/mlx4/qp.c | 3 |
3 files changed, 21 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/mlx4/cq.c b/drivers/infiniband/hw/mlx4/cq.c index 7360bbafbe84..d2e32b03e2f7 100644 --- a/drivers/infiniband/hw/mlx4/cq.c +++ b/drivers/infiniband/hw/mlx4/cq.c @@ -297,6 +297,20 @@ static void mlx4_ib_handle_error_cqe(struct mlx4_err_cqe *cqe, wc->vendor_err = cqe->vendor_err_syndrome; } +static int mlx4_ib_ipoib_csum_ok(__be32 status, __be16 checksum) +{ + return ((status & cpu_to_be32(MLX4_CQE_IPOIB_STATUS_IPV4 | + MLX4_CQE_IPOIB_STATUS_IPV4F | + MLX4_CQE_IPOIB_STATUS_IPV4OPT | + MLX4_CQE_IPOIB_STATUS_IPV6 | + MLX4_CQE_IPOIB_STATUS_IPOK)) == + cpu_to_be32(MLX4_CQE_IPOIB_STATUS_IPV4 | + MLX4_CQE_IPOIB_STATUS_IPOK)) && + (status & cpu_to_be32(MLX4_CQE_IPOIB_STATUS_UDP | + MLX4_CQE_IPOIB_STATUS_TCP)) && + checksum == cpu_to_be16(0xffff); +} + static int mlx4_ib_poll_one(struct mlx4_ib_cq *cq, struct mlx4_ib_qp **cur_qp, struct ib_wc *wc) @@ -434,6 +448,8 @@ static int mlx4_ib_poll_one(struct mlx4_ib_cq *cq, wc->dlid_path_bits = (g_mlpath_rqpn >> 24) & 0x7f; wc->wc_flags |= g_mlpath_rqpn & 0x80000000 ? IB_WC_GRH : 0; wc->pkey_index = be32_to_cpu(cqe->immed_rss_invalid) & 0x7f; + wc->csum_ok = mlx4_ib_ipoib_csum_ok(cqe->ipoib_status, + cqe->checksum); } return 0; diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c index d5512011999c..6ea4746c2e9b 100644 --- a/drivers/infiniband/hw/mlx4/main.c +++ b/drivers/infiniband/hw/mlx4/main.c @@ -99,6 +99,8 @@ static int mlx4_ib_query_device(struct ib_device *ibdev, props->device_cap_flags |= IB_DEVICE_AUTO_PATH_MIG; if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_UD_AV_PORT) props->device_cap_flags |= IB_DEVICE_UD_AV_PORT_ENFORCE; + if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_IPOIB_CSUM) + props->device_cap_flags |= IB_DEVICE_UD_IP_CSUM; props->vendor_id = be32_to_cpup((__be32 *) (out_mad->data + 36)) & 0xffffff; diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c index ac965ab28845..31b2b5b230bd 100644 --- a/drivers/infiniband/hw/mlx4/qp.c +++ b/drivers/infiniband/hw/mlx4/qp.c @@ -1436,6 +1436,9 @@ int mlx4_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, cpu_to_be32(MLX4_WQE_CTRL_CQ_UPDATE) : 0) | (wr->send_flags & IB_SEND_SOLICITED ? cpu_to_be32(MLX4_WQE_CTRL_SOLICITED) : 0) | + ((wr->send_flags & IB_SEND_IP_CSUM) ? + cpu_to_be32(MLX4_WQE_CTRL_IP_CSUM | + MLX4_WQE_CTRL_TCP_UDP_CSUM) : 0) | qp->sq_signal_bits; if (wr->opcode == IB_WR_SEND_WITH_IMM || |