From 017d8eada807c6b80905445c0defa5d3b1d108bf Mon Sep 17 00:00:00 2001 From: Leon Romanovsky Date: Thu, 12 Dec 2019 11:38:24 +0200 Subject: RDMA/cm: Delete unused CM LAP functions Clean the code by deleting LAP functions, which are not called anyway. Link: https://lore.kernel.org/r/20191212093830.316934-43-leon@kernel.org Signed-off-by: Leon Romanovsky Reviewed-by: Leon Romanovsky Signed-off-by: Jason Gunthorpe --- drivers/infiniband/core/cm.c | 98 --------------------------------------- drivers/infiniband/core/cm_msgs.h | 70 ---------------------------- 2 files changed, 168 deletions(-) diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c index 2945031dd8a7..fae788e38c87 100644 --- a/drivers/infiniband/core/cm.c +++ b/drivers/infiniband/core/cm.c @@ -3029,104 +3029,6 @@ out: return -EINVAL; } -static void cm_format_lap(struct cm_lap_msg *lap_msg, - struct cm_id_private *cm_id_priv, - struct sa_path_rec *alternate_path, - const void *private_data, - u8 private_data_len) -{ - bool alt_ext = false; - - if (alternate_path->rec_type == SA_PATH_REC_TYPE_OPA) - alt_ext = opa_is_extended_lid(alternate_path->opa.dlid, - alternate_path->opa.slid); - cm_format_mad_hdr(&lap_msg->hdr, CM_LAP_ATTR_ID, - 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); - /* todo: need remote CM response timeout */ - cm_lap_set_remote_resp_timeout(lap_msg, 0x1F); - lap_msg->alt_local_lid = - htons(ntohl(sa_path_get_slid(alternate_path))); - lap_msg->alt_remote_lid = - htons(ntohl(sa_path_get_dlid(alternate_path))); - lap_msg->alt_local_gid = alternate_path->sgid; - lap_msg->alt_remote_gid = alternate_path->dgid; - if (alt_ext) { - lap_msg->alt_local_gid.global.interface_id - = OPA_MAKE_ID(be32_to_cpu(alternate_path->opa.slid)); - lap_msg->alt_remote_gid.global.interface_id - = OPA_MAKE_ID(be32_to_cpu(alternate_path->opa.dlid)); - } - cm_lap_set_flow_label(lap_msg, alternate_path->flow_label); - cm_lap_set_traffic_class(lap_msg, alternate_path->traffic_class); - lap_msg->alt_hop_limit = alternate_path->hop_limit; - cm_lap_set_packet_rate(lap_msg, alternate_path->rate); - cm_lap_set_sl(lap_msg, alternate_path->sl); - cm_lap_set_subnet_local(lap_msg, 1); /* local only... */ - cm_lap_set_local_ack_timeout(lap_msg, - cm_ack_timeout(cm_id_priv->av.port->cm_dev->ack_delay, - alternate_path->packet_life_time)); - - if (private_data && private_data_len) - memcpy(lap_msg->private_data, private_data, private_data_len); -} - -int ib_send_cm_lap(struct ib_cm_id *cm_id, - struct sa_path_rec *alternate_path, - const void *private_data, - u8 private_data_len) -{ - struct cm_id_private *cm_id_priv; - struct ib_mad_send_buf *msg; - unsigned long flags; - int ret; - - if (private_data && private_data_len > IB_CM_LAP_PRIVATE_DATA_SIZE) - return -EINVAL; - - cm_id_priv = container_of(cm_id, struct cm_id_private, id); - spin_lock_irqsave(&cm_id_priv->lock, flags); - if (cm_id->state != IB_CM_ESTABLISHED || - (cm_id->lap_state != IB_CM_LAP_UNINIT && - cm_id->lap_state != IB_CM_LAP_IDLE)) { - ret = -EINVAL; - goto out; - } - - ret = cm_init_av_by_path(alternate_path, NULL, &cm_id_priv->alt_av, - cm_id_priv); - if (ret) - goto out; - cm_id_priv->alt_av.timeout = - cm_ack_timeout(cm_id_priv->target_ack_delay, - cm_id_priv->alt_av.timeout - 1); - - ret = cm_alloc_msg(cm_id_priv, &msg); - if (ret) - goto out; - - cm_format_lap((struct cm_lap_msg *) msg->mad, cm_id_priv, - alternate_path, private_data, private_data_len); - msg->timeout_ms = cm_id_priv->timeout_ms; - msg->context[1] = (void *) (unsigned long) IB_CM_ESTABLISHED; - - ret = ib_post_send_mad(msg, NULL); - if (ret) { - spin_unlock_irqrestore(&cm_id_priv->lock, flags); - cm_free_msg(msg); - return ret; - } - - cm_id->lap_state = IB_CM_LAP_SENT; - cm_id_priv->msg = msg; - -out: spin_unlock_irqrestore(&cm_id_priv->lock, flags); - return ret; -} -EXPORT_SYMBOL(ib_send_cm_lap); - static void cm_format_path_lid_from_lap(struct cm_lap_msg *lap_msg, struct sa_path_rec *path) { diff --git a/drivers/infiniband/core/cm_msgs.h b/drivers/infiniband/core/cm_msgs.h index 92d7260ac913..23e3d0c6a67c 100644 --- a/drivers/infiniband/core/cm_msgs.h +++ b/drivers/infiniband/core/cm_msgs.h @@ -651,101 +651,31 @@ struct cm_lap_msg { u8 private_data[IB_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); -} - -static inline void cm_lap_set_remote_resp_timeout(struct cm_lap_msg *lap_msg, - u8 resp_timeout) -{ - lap_msg->offset12 = cpu_to_be32((resp_timeout << 3) | - (be32_to_cpu(lap_msg->offset12) & - 0xFFFFFF07)); -} - static inline __be32 cm_lap_get_flow_label(struct cm_lap_msg *lap_msg) { return cpu_to_be32(be32_to_cpu(lap_msg->offset56) >> 12); } -static inline void cm_lap_set_flow_label(struct cm_lap_msg *lap_msg, - __be32 flow_label) -{ - lap_msg->offset56 = cpu_to_be32( - (be32_to_cpu(lap_msg->offset56) & 0x00000FFF) | - (be32_to_cpu(flow_label) << 12)); -} - static inline u8 cm_lap_get_traffic_class(struct cm_lap_msg *lap_msg) { return (u8) be32_to_cpu(lap_msg->offset56); } -static inline void cm_lap_set_traffic_class(struct cm_lap_msg *lap_msg, - u8 traffic_class) -{ - lap_msg->offset56 = cpu_to_be32(traffic_class | - (be32_to_cpu(lap_msg->offset56) & - 0xFFFFFF00)); -} - static inline u8 cm_lap_get_packet_rate(struct cm_lap_msg *lap_msg) { return lap_msg->offset61 & 0x3F; } -static inline void cm_lap_set_packet_rate(struct cm_lap_msg *lap_msg, - u8 packet_rate) -{ - lap_msg->offset61 = (packet_rate & 0x3F) | (lap_msg->offset61 & 0xC0); -} - static inline u8 cm_lap_get_sl(struct cm_lap_msg *lap_msg) { return lap_msg->offset62 >> 4; } -static inline void cm_lap_set_sl(struct cm_lap_msg *lap_msg, u8 sl) -{ - lap_msg->offset62 = (sl << 4) | (lap_msg->offset62 & 0x0F); -} - -static inline u8 cm_lap_get_subnet_local(struct cm_lap_msg *lap_msg) -{ - return (lap_msg->offset62 >> 3) & 0x1; -} - -static inline void cm_lap_set_subnet_local(struct cm_lap_msg *lap_msg, - u8 subnet_local) -{ - lap_msg->offset62 = ((subnet_local & 0x1) << 3) | - (lap_msg->offset61 & 0xF7); -} static inline u8 cm_lap_get_local_ack_timeout(struct cm_lap_msg *lap_msg) { return lap_msg->offset63 >> 3; } -static inline void cm_lap_set_local_ack_timeout(struct cm_lap_msg *lap_msg, - u8 local_ack_timeout) -{ - lap_msg->offset63 = (local_ack_timeout << 3) | - (lap_msg->offset63 & 0x07); -} - struct cm_apr_msg { struct ib_mad_hdr hdr; -- cgit v1.2.3-59-g8ed1b