diff options
| author | Patrisious Haddad <phaddad@nvidia.com> | 2023-10-09 13:43:58 +0300 |
|---|---|---|
| committer | Leon Romanovsky <leon@kernel.org> | 2023-10-19 09:31:00 +0300 |
| commit | 465d6b42f1a3b855c06da1d4d3b09907d261af69 (patch) | |
| tree | 77fa511b88bb84e06d0e0c5f7db4b9c07e7d4852 /include/uapi/rdma | |
| parent | 45cfa8864cd3ae228ddb17bf2316a0ab3284f70d (diff) | |
| download | linux-465d6b42f1a3b855c06da1d4d3b09907d261af69.tar.xz | |
RDMA/core: Add support to set privileged QKEY parameter
Add netlink command that enables/disables privileged QKEY by default.
It is disabled by default, since according to IB spec only privileged
users are allowed to use privileged QKEY.
According to the IB specification rel-1.6, section 3.5.3:
"QKEYs with the most significant bit set are considered controlled
QKEYs, and a HCA does not allow a consumer to arbitrarily specify a
controlled QKEY."
Using rdma tool,
$rdma system set privileged-qkey on
When enabled non-privileged users would be able to use
controlled QKEYs which are considered privileged.
Using rdma tool,
$rdma system set privileged-qkey off
When disabled only privileged users would be able to use
controlled QKEYs.
You can also use the command below to check the parameter state:
$rdma system show
netns shared privileged-qkey off copy-on-fork on
Signed-off-by: Patrisious Haddad <phaddad@nvidia.com>
Link: https://lore.kernel.org/r/90398be70a9d23d2aa9d0f9fd11d2c264c1be534.1696848201.git.leon@kernel.org
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Diffstat (limited to 'include/uapi/rdma')
| -rw-r--r-- | include/uapi/rdma/rdma_netlink.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/uapi/rdma/rdma_netlink.h b/include/uapi/rdma/rdma_netlink.h index 2830695c3556..723bbb0f7042 100644 --- a/include/uapi/rdma/rdma_netlink.h +++ b/include/uapi/rdma/rdma_netlink.h @@ -556,6 +556,8 @@ enum rdma_nldev_attr { RDMA_NLDEV_ATTR_STAT_HWCOUNTER_INDEX, /* u32 */ RDMA_NLDEV_ATTR_STAT_HWCOUNTER_DYNAMIC, /* u8 */ + RDMA_NLDEV_SYS_ATTR_PRIVILEGED_QKEY_MODE, /* u8 */ + /* * Always the end */ |