diff options
| author | Doug Ledford <dledford@redhat.com> | 2016-04-28 22:16:32 +0300 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2016-04-28 22:16:32 +0300 |
| commit | e29bff46b9b8663e1789fbcd65d0ba05a52f08af (patch) | |
| tree | cce17191cf20c60dc917c62f01d96f6b571a47d4 /include/linux/mlx5 | |
| parent | d53e181c85effdfdec97a760622330626c922d81 (diff) | |
| parent | e6bd18f57aad1a2d1ef40e646d03ed0f2515c9e3 (diff) | |
| download | linux-e29bff46b9b8663e1789fbcd65d0ba05a52f08af.tar.xz | |
Merge branch 'k.o/for-4.6-rc' into testing/4.6
Diffstat (limited to 'include/linux/mlx5')
| -rw-r--r-- | include/linux/mlx5/device.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/mlx5/device.h b/include/linux/mlx5/device.h index 8156e3c9239c..b3575f392492 100644 --- a/include/linux/mlx5/device.h +++ b/include/linux/mlx5/device.h @@ -392,6 +392,17 @@ enum { MLX5_CAP_OFF_CMDIF_CSUM = 46, }; +enum { + /* + * Max wqe size for rdma read is 512 bytes, so this + * limits our max_sge_rd as the wqe needs to fit: + * - ctrl segment (16 bytes) + * - rdma segment (16 bytes) + * - scatter elements (16 bytes each) + */ + MLX5_MAX_SGE_RD = (512 - 16 - 16) / 16 +}; + struct mlx5_inbox_hdr { __be16 opcode; u8 rsvd[4]; |