From 4eeed3686981ff887bbdd7254139e2eca276534c Mon Sep 17 00:00:00 2001 From: Majd Dibbiny Date: Tue, 18 Sep 2018 10:51:37 +0300 Subject: RDMA/uverbs: Fix validity check for modify QP Uverbs shouldn't enforce QP state in the command unless the user set the QP state bit in the attribute mask. In addition, only copy qp attr fields which have the corresponding bit set in the attribute mask over to the internal attr structure. Fixes: 88de869bbe4f ("RDMA/uverbs: Ensure validity of current QP state value") Fixes: bc38a6abdd5a ("[PATCH] IB uverbs: core implementation") Signed-off-by: Majd Dibbiny Signed-off-by: Jack Morgenstein Signed-off-by: Leon Romanovsky Signed-off-by: Jason Gunthorpe --- drivers/infiniband/core/uverbs_cmd.c | 68 ++++++++++++++++++++++++------------ 1 file changed, 45 insertions(+), 23 deletions(-) (limited to 'drivers/infiniband/core/uverbs_cmd.c') diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c index a21d5214afc3..e012ca80f9d1 100644 --- a/drivers/infiniband/core/uverbs_cmd.c +++ b/drivers/infiniband/core/uverbs_cmd.c @@ -2027,33 +2027,55 @@ static int modify_qp(struct ib_uverbs_file *file, if ((cmd->base.attr_mask & IB_QP_CUR_STATE && cmd->base.cur_qp_state > IB_QPS_ERR) || - cmd->base.qp_state > IB_QPS_ERR) { + (cmd->base.attr_mask & IB_QP_STATE && + cmd->base.qp_state > IB_QPS_ERR)) { ret = -EINVAL; goto release_qp; } - attr->qp_state = cmd->base.qp_state; - attr->cur_qp_state = cmd->base.cur_qp_state; - attr->path_mtu = cmd->base.path_mtu; - attr->path_mig_state = cmd->base.path_mig_state; - attr->qkey = cmd->base.qkey; - attr->rq_psn = cmd->base.rq_psn; - attr->sq_psn = cmd->base.sq_psn; - attr->dest_qp_num = cmd->base.dest_qp_num; - attr->qp_access_flags = cmd->base.qp_access_flags; - attr->pkey_index = cmd->base.pkey_index; - attr->alt_pkey_index = cmd->base.alt_pkey_index; - attr->en_sqd_async_notify = cmd->base.en_sqd_async_notify; - attr->max_rd_atomic = cmd->base.max_rd_atomic; - attr->max_dest_rd_atomic = cmd->base.max_dest_rd_atomic; - attr->min_rnr_timer = cmd->base.min_rnr_timer; - attr->port_num = cmd->base.port_num; - attr->timeout = cmd->base.timeout; - attr->retry_cnt = cmd->base.retry_cnt; - attr->rnr_retry = cmd->base.rnr_retry; - attr->alt_port_num = cmd->base.alt_port_num; - attr->alt_timeout = cmd->base.alt_timeout; - attr->rate_limit = cmd->rate_limit; + if (cmd->base.attr_mask & IB_QP_STATE) + attr->qp_state = cmd->base.qp_state; + if (cmd->base.attr_mask & IB_QP_CUR_STATE) + attr->cur_qp_state = cmd->base.cur_qp_state; + if (cmd->base.attr_mask & IB_QP_PATH_MTU) + attr->path_mtu = cmd->base.path_mtu; + if (cmd->base.attr_mask & IB_QP_PATH_MIG_STATE) + attr->path_mig_state = cmd->base.path_mig_state; + if (cmd->base.attr_mask & IB_QP_QKEY) + attr->qkey = cmd->base.qkey; + if (cmd->base.attr_mask & IB_QP_RQ_PSN) + attr->rq_psn = cmd->base.rq_psn; + if (cmd->base.attr_mask & IB_QP_SQ_PSN) + attr->sq_psn = cmd->base.sq_psn; + if (cmd->base.attr_mask & IB_QP_DEST_QPN) + attr->dest_qp_num = cmd->base.dest_qp_num; + if (cmd->base.attr_mask & IB_QP_ACCESS_FLAGS) + attr->qp_access_flags = cmd->base.qp_access_flags; + if (cmd->base.attr_mask & IB_QP_PKEY_INDEX) + attr->pkey_index = cmd->base.pkey_index; + if (cmd->base.attr_mask & IB_QP_EN_SQD_ASYNC_NOTIFY) + attr->en_sqd_async_notify = cmd->base.en_sqd_async_notify; + if (cmd->base.attr_mask & IB_QP_MAX_QP_RD_ATOMIC) + attr->max_rd_atomic = cmd->base.max_rd_atomic; + if (cmd->base.attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) + attr->max_dest_rd_atomic = cmd->base.max_dest_rd_atomic; + if (cmd->base.attr_mask & IB_QP_MIN_RNR_TIMER) + attr->min_rnr_timer = cmd->base.min_rnr_timer; + if (cmd->base.attr_mask & IB_QP_PORT) + attr->port_num = cmd->base.port_num; + if (cmd->base.attr_mask & IB_QP_TIMEOUT) + attr->timeout = cmd->base.timeout; + if (cmd->base.attr_mask & IB_QP_RETRY_CNT) + attr->retry_cnt = cmd->base.retry_cnt; + if (cmd->base.attr_mask & IB_QP_RNR_RETRY) + attr->rnr_retry = cmd->base.rnr_retry; + if (cmd->base.attr_mask & IB_QP_ALT_PATH) { + attr->alt_port_num = cmd->base.alt_port_num; + attr->alt_timeout = cmd->base.alt_timeout; + attr->alt_pkey_index = cmd->base.alt_pkey_index; + } + if (cmd->base.attr_mask & IB_QP_RATE_LIMIT) + attr->rate_limit = cmd->rate_limit; if (cmd->base.attr_mask & IB_QP_AV) copy_ah_attr_from_uverbs(qp->device, &attr->ah_attr, -- cgit v1.2.3-59-g8ed1b