From: Leon Romanovsky <leonro@xxxxxxxxxxxx> Remove unnecessary ambiguity in mixing be32<->u32 declarations of QPN and EECN, convert them from be32 to u32 with help of newly introduced CM_GET/CM_SET macros. Signed-off-by: Leon Romanovsky <leonro@xxxxxxxxxxxx> --- drivers/infiniband/core/cm.c | 55 ++++++++++++++++---------- drivers/infiniband/core/cm_msgs.h | 64 +------------------------------ 2 files changed, 35 insertions(+), 84 deletions(-) diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c index d07a5f141720..81a67805b029 100644 --- a/drivers/infiniband/core/cm.c +++ b/drivers/infiniband/core/cm.c @@ -225,7 +225,7 @@ struct cm_timewait_info { struct rb_node remote_qp_node; struct rb_node remote_id_node; __be64 remote_ca_guid; - __be32 remote_qpn; + u32 remote_qpn; u8 inserted_remote_qp; u8 inserted_remote_id; }; @@ -250,8 +250,8 @@ struct cm_id_private { void *private_data; __be64 tid; - __be32 local_qpn; - __be32 remote_qpn; + u32 local_qpn; + u32 remote_qpn; enum ib_qp_type qp_type; __be32 sq_psn; __be32 rq_psn; @@ -764,15 +764,15 @@ static struct cm_timewait_info * cm_insert_remote_qpn(struct cm_timewait_info struct rb_node *parent = NULL; struct cm_timewait_info *cur_timewait_info; __be64 remote_ca_guid = timewait_info->remote_ca_guid; - __be32 remote_qpn = timewait_info->remote_qpn; + u32 remote_qpn = timewait_info->remote_qpn; while (*link) { parent = *link; cur_timewait_info = rb_entry(parent, struct cm_timewait_info, remote_qp_node); - if (be32_lt(remote_qpn, cur_timewait_info->remote_qpn)) + if (remote_qpn < cur_timewait_info->remote_qpn) link = &(*link)->rb_left; - else if (be32_gt(remote_qpn, cur_timewait_info->remote_qpn)) + else if (remote_qpn > cur_timewait_info->remote_qpn) link = &(*link)->rb_right; else if (be64_lt(remote_ca_guid, cur_timewait_info->remote_ca_guid)) link = &(*link)->rb_left; @@ -1265,7 +1265,7 @@ static void cm_format_req(struct cm_req_msg *req_msg, req_msg->local_comm_id = cm_id_priv->id.local_id; req_msg->service_id = param->service_id; req_msg->local_ca_guid = cm_id_priv->id.device->node_guid; - cm_req_set_local_qpn(req_msg, cpu_to_be32(param->qp_num)); + CM_SET(REQ_LOCAL_QPN, req_msg, param->qp_num); cm_req_set_init_depth(req_msg, param->initiator_depth); cm_req_set_remote_resp_timeout(req_msg, param->remote_cm_response_timeout); @@ -1443,7 +1443,7 @@ int ib_send_cm_req(struct ib_cm_id *cm_id, cm_id_priv->msg->timeout_ms = cm_id_priv->timeout_ms; cm_id_priv->msg->context[1] = (void *) (unsigned long) IB_CM_REQ_SENT; - cm_id_priv->local_qpn = cm_req_get_local_qpn(req_msg); + cm_id_priv->local_qpn = CM_GET(REQ_LOCAL_QPN, req_msg); cm_id_priv->rq_psn = cm_req_get_starting_psn(req_msg); spin_lock_irqsave(&cm_id_priv->lock, flags); @@ -1666,7 +1666,7 @@ static void cm_format_req_event(struct cm_work *work, } param->remote_ca_guid = req_msg->local_ca_guid; param->remote_qkey = be32_to_cpu(req_msg->local_qkey); - param->remote_qpn = be32_to_cpu(cm_req_get_local_qpn(req_msg)); + param->remote_qpn = CM_GET(REP_LOCAL_QPN, req_msg); param->qp_type = cm_req_get_qp_type(req_msg); param->starting_psn = be32_to_cpu(cm_req_get_starting_psn(req_msg)); param->responder_resources = cm_req_get_init_depth(req_msg); @@ -1929,7 +1929,7 @@ static int cm_req_handler(struct cm_work *work) } cm_id_priv->timewait_info->work.remote_id = req_msg->local_comm_id; cm_id_priv->timewait_info->remote_ca_guid = req_msg->local_ca_guid; - cm_id_priv->timewait_info->remote_qpn = cm_req_get_local_qpn(req_msg); + cm_id_priv->timewait_info->remote_qpn = CM_GET(REQ_LOCAL_QPN, req_msg); listen_cm_id_priv = cm_match_req(work, cm_id_priv); if (!listen_cm_id_priv) { @@ -2003,7 +2003,7 @@ static int cm_req_handler(struct cm_work *work) cm_id_priv->timeout_ms = cm_convert_to_ms( cm_req_get_local_resp_timeout(req_msg)); cm_id_priv->max_cm_retries = cm_req_get_max_cm_retries(req_msg); - cm_id_priv->remote_qpn = cm_req_get_local_qpn(req_msg); + cm_id_priv->remote_qpn = CM_GET(REQ_LOCAL_QPN, req_msg); cm_id_priv->initiator_depth = cm_req_get_resp_res(req_msg); cm_id_priv->responder_resources = cm_req_get_init_depth(req_msg); cm_id_priv->path_mtu = cm_req_get_path_mtu(req_msg); @@ -2047,10 +2047,10 @@ static void cm_format_rep(struct cm_rep_msg *rep_msg, rep_msg->initiator_depth = param->initiator_depth; cm_rep_set_flow_ctrl(rep_msg, param->flow_control); cm_rep_set_srq(rep_msg, param->srq); - cm_rep_set_local_qpn(rep_msg, cpu_to_be32(param->qp_num)); + CM_SET(REP_LOCAL_QPN, rep_msg, param->qp_num); } else { cm_rep_set_srq(rep_msg, 1); - cm_rep_set_local_eecn(rep_msg, cpu_to_be32(param->qp_num)); + CM_SET(REP_LOCAL_EE_CONTEXT_NUMBER, rep_msg, param->qp_num); } if (param->private_data && param->private_data_len) @@ -2102,7 +2102,7 @@ int ib_send_cm_rep(struct ib_cm_id *cm_id, cm_id_priv->initiator_depth = param->initiator_depth; cm_id_priv->responder_resources = param->responder_resources; cm_id_priv->rq_psn = cm_rep_get_starting_psn(rep_msg); - cm_id_priv->local_qpn = cpu_to_be32(param->qp_num); + cm_id_priv->local_qpn = param->qp_num; out: spin_unlock_irqrestore(&cm_id_priv->lock, flags); return ret; @@ -2184,7 +2184,11 @@ static void cm_format_rep_event(struct cm_work *work, enum ib_qp_type qp_type) param = &work->cm_event.param.rep_rcvd; param->remote_ca_guid = rep_msg->local_ca_guid; param->remote_qkey = be32_to_cpu(rep_msg->local_qkey); - param->remote_qpn = be32_to_cpu(cm_rep_get_qpn(rep_msg, qp_type)); + if (qp_type == IB_QPT_XRC_INI) + param->remote_qpn = + CM_GET(REP_LOCAL_EE_CONTEXT_NUMBER, rep_msg); + else + param->remote_qpn = CM_GET(REP_LOCAL_QPN, rep_msg); param->starting_psn = be32_to_cpu(cm_rep_get_starting_psn(rep_msg)); param->responder_resources = rep_msg->initiator_depth; param->initiator_depth = rep_msg->resp_resources; @@ -2277,7 +2281,12 @@ static int cm_rep_handler(struct cm_work *work) cm_id_priv->timewait_info->work.remote_id = rep_msg->local_comm_id; cm_id_priv->timewait_info->remote_ca_guid = rep_msg->local_ca_guid; - cm_id_priv->timewait_info->remote_qpn = cm_rep_get_qpn(rep_msg, cm_id_priv->qp_type); + if (cm_id_priv->qp_type == IB_QPT_XRC_INI) + cm_id_priv->timewait_info->remote_qpn = + CM_GET(REP_LOCAL_EE_CONTEXT_NUMBER, rep_msg); + else + cm_id_priv->timewait_info->remote_qpn = + CM_GET(REP_LOCAL_QPN, rep_msg); spin_lock(&cm.lock); /* Check for duplicate REP. */ @@ -2320,7 +2329,11 @@ static int cm_rep_handler(struct cm_work *work) cm_id_priv->id.state = IB_CM_REP_RCVD; cm_id_priv->id.remote_id = rep_msg->local_comm_id; - cm_id_priv->remote_qpn = cm_rep_get_qpn(rep_msg, cm_id_priv->qp_type); + if (cm_id_priv->qp_type == IB_QPT_XRC_INI) + cm_id_priv->remote_qpn = + CM_GET(REP_LOCAL_EE_CONTEXT_NUMBER, rep_msg); + else + cm_id_priv->remote_qpn = CM_GET(REP_LOCAL_QPN, rep_msg); cm_id_priv->initiator_depth = rep_msg->resp_resources; cm_id_priv->responder_resources = rep_msg->initiator_depth; cm_id_priv->sq_psn = cm_rep_get_starting_psn(rep_msg); @@ -2434,7 +2447,7 @@ static void cm_format_dreq(struct cm_dreq_msg *dreq_msg, cm_form_tid(cm_id_priv)); dreq_msg->local_comm_id = cm_id_priv->id.local_id; dreq_msg->remote_comm_id = cm_id_priv->id.remote_id; - cm_dreq_set_remote_qpn(dreq_msg, cm_id_priv->remote_qpn); + CM_SET(DREQ_REMOTE_QPN_EECN, dreq_msg, cm_id_priv->remote_qpn); if (private_data && private_data_len) memcpy(dreq_msg->private_data, private_data, private_data_len); @@ -2603,7 +2616,7 @@ static int cm_dreq_handler(struct cm_work *work) work->cm_event.private_data_len = CM_DREQ_PRIVATE_DATA_SIZE; spin_lock_irq(&cm_id_priv->lock); - if (cm_id_priv->local_qpn != cm_dreq_get_remote_qpn(dreq_msg)) + if (cm_id_priv->local_qpn != CM_GET(DREQ_REMOTE_QPN_EECN, dreq_msg)) goto unlock; switch (cm_id_priv->id.state) { @@ -3068,7 +3081,7 @@ static void cm_format_lap(struct cm_lap_msg *lap_msg, cm_form_tid(cm_id_priv)); lap_msg->local_comm_id = cm_id_priv->id.local_id; lap_msg->remote_comm_id = cm_id_priv->id.remote_id; - cm_lap_set_remote_qpn(lap_msg, cm_id_priv->remote_qpn); + CM_SET(LAP_REMOTE_QPN_EECN, lap_msg, cm_id_priv->remote_qpn); /* todo: need remote CM response timeout */ cm_lap_set_remote_resp_timeout(lap_msg, 0x1F); lap_msg->alt_local_lid = @@ -4111,7 +4124,7 @@ static int cm_init_qp_rtr_attr(struct cm_id_private *cm_id_priv, IB_QP_DEST_QPN | IB_QP_RQ_PSN; qp_attr->ah_attr = cm_id_priv->av.ah_attr; qp_attr->path_mtu = cm_id_priv->path_mtu; - qp_attr->dest_qp_num = be32_to_cpu(cm_id_priv->remote_qpn); + qp_attr->dest_qp_num = cm_id_priv->remote_qpn; qp_attr->rq_psn = be32_to_cpu(cm_id_priv->rq_psn); if (cm_id_priv->qp_type == IB_QPT_RC || cm_id_priv->qp_type == IB_QPT_XRC_TGT) { diff --git a/drivers/infiniband/core/cm_msgs.h b/drivers/infiniband/core/cm_msgs.h index 08b337551775..4cef1fe58813 100644 --- a/drivers/infiniband/core/cm_msgs.h +++ b/drivers/infiniband/core/cm_msgs.h @@ -400,18 +400,6 @@ struct cm_req_msg { } __packed; -static inline __be32 cm_req_get_local_qpn(struct cm_req_msg *req_msg) -{ - return cpu_to_be32(be32_to_cpu(req_msg->offset32) >> 8); -} - -static inline void cm_req_set_local_qpn(struct cm_req_msg *req_msg, __be32 qpn) -{ - req_msg->offset32 = cpu_to_be32((be32_to_cpu(qpn) << 8) | - (be32_to_cpu(req_msg->offset32) & - 0x000000FF)); -} - static inline u8 cm_req_get_resp_res(struct cm_req_msg *req_msg) { return (u8) be32_to_cpu(req_msg->offset32); @@ -792,6 +780,7 @@ struct cm_rep_msg { __be32 local_qkey; /* local QPN:24, rsvd:8 */ __be32 offset12; + /* local EECN:24, rsvd:8 */ __be32 offset16; /* starting PSN:24 rsvd:8 */ @@ -808,34 +797,6 @@ struct cm_rep_msg { } __packed; -static inline __be32 cm_rep_get_local_qpn(struct cm_rep_msg *rep_msg) -{ - return cpu_to_be32(be32_to_cpu(rep_msg->offset12) >> 8); -} - -static inline void cm_rep_set_local_qpn(struct cm_rep_msg *rep_msg, __be32 qpn) -{ - rep_msg->offset12 = cpu_to_be32((be32_to_cpu(qpn) << 8) | - (be32_to_cpu(rep_msg->offset12) & 0x000000FF)); -} - -static inline __be32 cm_rep_get_local_eecn(struct cm_rep_msg *rep_msg) -{ - return cpu_to_be32(be32_to_cpu(rep_msg->offset16) >> 8); -} - -static inline void cm_rep_set_local_eecn(struct cm_rep_msg *rep_msg, __be32 eecn) -{ - rep_msg->offset16 = cpu_to_be32((be32_to_cpu(eecn) << 8) | - (be32_to_cpu(rep_msg->offset16) & 0x000000FF)); -} - -static inline __be32 cm_rep_get_qpn(struct cm_rep_msg *rep_msg, enum ib_qp_type qp_type) -{ - return (qp_type == IB_QPT_XRC_INI) ? - cm_rep_get_local_eecn(rep_msg) : cm_rep_get_local_qpn(rep_msg); -} - static inline __be32 cm_rep_get_starting_psn(struct cm_rep_msg *rep_msg) { return cpu_to_be32(be32_to_cpu(rep_msg->offset20) >> 8); @@ -928,17 +889,6 @@ struct cm_dreq_msg { } __packed; -static inline __be32 cm_dreq_get_remote_qpn(struct cm_dreq_msg *dreq_msg) -{ - return cpu_to_be32(be32_to_cpu(dreq_msg->offset8) >> 8); -} - -static inline void cm_dreq_set_remote_qpn(struct cm_dreq_msg *dreq_msg, __be32 qpn) -{ - dreq_msg->offset8 = cpu_to_be32((be32_to_cpu(qpn) << 8) | - (be32_to_cpu(dreq_msg->offset8) & 0x000000FF)); -} - struct cm_drep_msg { struct ib_mad_hdr hdr; @@ -977,18 +927,6 @@ struct cm_lap_msg { u8 private_data[CM_LAP_PRIVATE_DATA_SIZE]; } __packed; -static inline __be32 cm_lap_get_remote_qpn(struct cm_lap_msg *lap_msg) -{ - return cpu_to_be32(be32_to_cpu(lap_msg->offset12) >> 8); -} - -static inline void cm_lap_set_remote_qpn(struct cm_lap_msg *lap_msg, __be32 qpn) -{ - lap_msg->offset12 = cpu_to_be32((be32_to_cpu(qpn) << 8) | - (be32_to_cpu(lap_msg->offset12) & - 0x000000FF)); -} - static inline u8 cm_lap_get_remote_resp_timeout(struct cm_lap_msg *lap_msg) { return (u8) ((be32_to_cpu(lap_msg->offset12) & 0xF8) >> 3); -- 2.20.1