Message ID | 20200318100223.46436-1-leon@kernel.org (mailing list archive) |
---|---|
State | Superseded |
Headers | show |
Series | [rdma-rc] RDMA/mlx5: Block delay drop to unprivileged users | expand |
On Wed, Mar 18, 2020 at 12:02:23PM +0200, Leon Romanovsky wrote: > From: Maor Gottlieb <maorg@mellanox.com> > > Since this feature can globally block the RX port, it should > be allowed to privileged users only. > > Fixes: 03404e8ae652("IB/mlx5: Add support to dropless RQ") > Signed-off-by: Maor Gottlieb <maorg@mellanox.com> > Signed-off-by: Leon Romanovsky <leonro@mellanox.com> > --- > We didn't put this check in IB/core because it is unclear if it can be > applicable to all vendors, but for the mlx5 it is clear, due to how wq > is created. > --- > drivers/infiniband/hw/mlx5/qp.c | 4 ++++ > 1 file changed, 4 insertions(+) > Please drop this patch, it needs to be resent. Thanks
diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c index d3055f3eb0b6..88db580f7272 100644 --- a/drivers/infiniband/hw/mlx5/qp.c +++ b/drivers/infiniband/hw/mlx5/qp.c @@ -6247,6 +6247,10 @@ struct ib_wq *mlx5_ib_create_wq(struct ib_pd *pd, if (udata->outlen && udata->outlen < min_resp_len) return ERR_PTR(-EINVAL); + if (!capable(CAP_NET_RAW) && + init_attr->create_flags & IB_WQ_FLAGS_DELAY_DROP) + return ERR_PTR(-EPERM); + dev = to_mdev(pd->device); switch (init_attr->wq_type) { case IB_WQT_RQ: