11da177e4SLinus Torvalds /* 21da177e4SLinus Torvalds * Copyright (c) 2004, 2005 Topspin Communications. All rights reserved. 32a1d9b7fSRoland Dreier * Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved. 42a1d9b7fSRoland Dreier * Copyright (c) 2004 Voltaire, Inc. All rights reserved. 51da177e4SLinus Torvalds * 61da177e4SLinus Torvalds * This software is available to you under a choice of one of two 71da177e4SLinus Torvalds * licenses. You may choose to be licensed under the terms of the GNU 81da177e4SLinus Torvalds * General Public License (GPL) Version 2, available from the file 91da177e4SLinus Torvalds * COPYING in the main directory of this source tree, or the 101da177e4SLinus Torvalds * OpenIB.org BSD license below: 111da177e4SLinus Torvalds * 121da177e4SLinus Torvalds * Redistribution and use in source and binary forms, with or 131da177e4SLinus Torvalds * without modification, are permitted provided that the following 141da177e4SLinus Torvalds * conditions are met: 151da177e4SLinus Torvalds * 161da177e4SLinus Torvalds * - Redistributions of source code must retain the above 171da177e4SLinus Torvalds * copyright notice, this list of conditions and the following 181da177e4SLinus Torvalds * disclaimer. 191da177e4SLinus Torvalds * 201da177e4SLinus Torvalds * - Redistributions in binary form must reproduce the above 211da177e4SLinus Torvalds * copyright notice, this list of conditions and the following 221da177e4SLinus Torvalds * disclaimer in the documentation and/or other materials 231da177e4SLinus Torvalds * provided with the distribution. 241da177e4SLinus Torvalds * 251da177e4SLinus Torvalds * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 261da177e4SLinus Torvalds * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 271da177e4SLinus Torvalds * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 281da177e4SLinus Torvalds * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 291da177e4SLinus Torvalds * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 301da177e4SLinus Torvalds * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 311da177e4SLinus Torvalds * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 321da177e4SLinus Torvalds * SOFTWARE. 331da177e4SLinus Torvalds * 341da177e4SLinus Torvalds * $Id: ipoib.h 1358 2004-12-17 22:00:11Z roland $ 351da177e4SLinus Torvalds */ 361da177e4SLinus Torvalds 371da177e4SLinus Torvalds #ifndef _IPOIB_H 381da177e4SLinus Torvalds #define _IPOIB_H 391da177e4SLinus Torvalds 401da177e4SLinus Torvalds #include <linux/list.h> 411da177e4SLinus Torvalds #include <linux/skbuff.h> 421da177e4SLinus Torvalds #include <linux/netdevice.h> 431da177e4SLinus Torvalds #include <linux/workqueue.h> 441da177e4SLinus Torvalds #include <linux/kref.h> 451da177e4SLinus Torvalds #include <linux/if_infiniband.h> 4695ed644fSIngo Molnar #include <linux/mutex.h> 471da177e4SLinus Torvalds 481da177e4SLinus Torvalds #include <net/neighbour.h> 491da177e4SLinus Torvalds 501da177e4SLinus Torvalds #include <asm/atomic.h> 511da177e4SLinus Torvalds 52a4d61e84SRoland Dreier #include <rdma/ib_verbs.h> 53a4d61e84SRoland Dreier #include <rdma/ib_pack.h> 54a4d61e84SRoland Dreier #include <rdma/ib_sa.h> 551da177e4SLinus Torvalds 561da177e4SLinus Torvalds /* constants */ 571da177e4SLinus Torvalds 581da177e4SLinus Torvalds enum { 591da177e4SLinus Torvalds IPOIB_ENCAP_LEN = 4, 601da177e4SLinus Torvalds 61*bc7b3a36SShirley Ma IPOIB_UD_HEAD_SIZE = IB_GRH_BYTES + IPOIB_ENCAP_LEN, 62*bc7b3a36SShirley Ma IPOIB_UD_RX_SG = 2, /* max buffer needed for 4K mtu */ 63*bc7b3a36SShirley Ma 64839fcabaSMichael S. Tsirkin IPOIB_CM_MTU = 0x10000 - 0x10, /* padding to align header to 16 */ 65839fcabaSMichael S. Tsirkin IPOIB_CM_BUF_SIZE = IPOIB_CM_MTU + IPOIB_ENCAP_LEN, 66839fcabaSMichael S. Tsirkin IPOIB_CM_HEAD_SIZE = IPOIB_CM_BUF_SIZE % PAGE_SIZE, 67839fcabaSMichael S. Tsirkin IPOIB_CM_RX_SG = ALIGN(IPOIB_CM_BUF_SIZE, PAGE_SIZE) / PAGE_SIZE, 681da177e4SLinus Torvalds IPOIB_RX_RING_SIZE = 128, 691da177e4SLinus Torvalds IPOIB_TX_RING_SIZE = 64, 700f485251SShirley Ma IPOIB_MAX_QUEUE_SIZE = 8192, 710f485251SShirley Ma IPOIB_MIN_QUEUE_SIZE = 2, 7268e995a2SPradeep Satyanarayana IPOIB_CM_MAX_CONN_QP = 4096, 731da177e4SLinus Torvalds 741da177e4SLinus Torvalds IPOIB_NUM_WC = 4, 751da177e4SLinus Torvalds 761da177e4SLinus Torvalds IPOIB_MAX_PATH_REC_QUEUE = 3, 771da177e4SLinus Torvalds IPOIB_MAX_MCAST_QUEUE = 3, 781da177e4SLinus Torvalds 791da177e4SLinus Torvalds IPOIB_FLAG_OPER_UP = 0, 807a343d4cSLeonid Arsh IPOIB_FLAG_INITIALIZED = 1, 817a343d4cSLeonid Arsh IPOIB_FLAG_ADMIN_UP = 2, 827a343d4cSLeonid Arsh IPOIB_PKEY_ASSIGNED = 3, 837a343d4cSLeonid Arsh IPOIB_PKEY_STOP = 4, 847a343d4cSLeonid Arsh IPOIB_FLAG_SUBINTERFACE = 5, 857a343d4cSLeonid Arsh IPOIB_MCAST_RUN = 6, 867a343d4cSLeonid Arsh IPOIB_STOP_REAPER = 7, 877a343d4cSLeonid Arsh IPOIB_MCAST_STARTED = 8, 881b524963SMichael S. Tsirkin IPOIB_FLAG_ADMIN_CM = 9, 891b524963SMichael S. Tsirkin IPOIB_FLAG_UMCAST = 10, 906046136cSEli Cohen IPOIB_FLAG_CSUM = 11, 911da177e4SLinus Torvalds 921da177e4SLinus Torvalds IPOIB_MAX_BACKOFF_SECONDS = 16, 931da177e4SLinus Torvalds 941da177e4SLinus Torvalds IPOIB_MCAST_FLAG_FOUND = 0, /* used in set_multicast_list */ 951da177e4SLinus Torvalds IPOIB_MCAST_FLAG_SENDONLY = 1, 961da177e4SLinus Torvalds IPOIB_MCAST_FLAG_BUSY = 2, /* joining or already joined */ 971da177e4SLinus Torvalds IPOIB_MCAST_FLAG_ATTACHED = 3, 981da177e4SLinus Torvalds }; 991da177e4SLinus Torvalds 100839fcabaSMichael S. Tsirkin #define IPOIB_OP_RECV (1ul << 31) 101839fcabaSMichael S. Tsirkin #ifdef CONFIG_INFINIBAND_IPOIB_CM 1021b524963SMichael S. Tsirkin #define IPOIB_OP_CM (1ul << 30) 103839fcabaSMichael S. Tsirkin #else 1041b524963SMichael S. Tsirkin #define IPOIB_OP_CM (0) 105839fcabaSMichael S. Tsirkin #endif 106839fcabaSMichael S. Tsirkin 1071da177e4SLinus Torvalds /* structs */ 1081da177e4SLinus Torvalds 1091da177e4SLinus Torvalds struct ipoib_header { 11097f52eb4SSean Hefty __be16 proto; 1111da177e4SLinus Torvalds u16 reserved; 1121da177e4SLinus Torvalds }; 1131da177e4SLinus Torvalds 1141da177e4SLinus Torvalds struct ipoib_pseudoheader { 1151da177e4SLinus Torvalds u8 hwaddr[INFINIBAND_ALEN]; 1161da177e4SLinus Torvalds }; 1171da177e4SLinus Torvalds 11881668838SSean Hefty /* Used for all multicast joins (broadcast, IPv4 mcast and IPv6 mcast) */ 11981668838SSean Hefty struct ipoib_mcast { 12081668838SSean Hefty struct ib_sa_mcmember_rec mcmember; 12181668838SSean Hefty struct ib_sa_multicast *mc; 12281668838SSean Hefty struct ipoib_ah *ah; 12381668838SSean Hefty 12481668838SSean Hefty struct rb_node rb_node; 12581668838SSean Hefty struct list_head list; 12681668838SSean Hefty 12781668838SSean Hefty unsigned long created; 12881668838SSean Hefty unsigned long backoff; 12981668838SSean Hefty 13081668838SSean Hefty unsigned long flags; 13181668838SSean Hefty unsigned char logcount; 13281668838SSean Hefty 13381668838SSean Hefty struct list_head neigh_list; 13481668838SSean Hefty 13581668838SSean Hefty struct sk_buff_head pkt_queue; 13681668838SSean Hefty 13781668838SSean Hefty struct net_device *dev; 13881668838SSean Hefty }; 1391da177e4SLinus Torvalds 1401993d683SRoland Dreier struct ipoib_rx_buf { 1411993d683SRoland Dreier struct sk_buff *skb; 142*bc7b3a36SShirley Ma u64 mapping[IPOIB_UD_RX_SG]; 1431993d683SRoland Dreier }; 1441993d683SRoland Dreier 1451993d683SRoland Dreier struct ipoib_tx_buf { 1461da177e4SLinus Torvalds struct sk_buff *skb; 1477143740dSEli Cohen u64 mapping[MAX_SKB_FRAGS + 1]; 1481da177e4SLinus Torvalds }; 1491da177e4SLinus Torvalds 150839fcabaSMichael S. Tsirkin struct ib_cm_id; 151839fcabaSMichael S. Tsirkin 152839fcabaSMichael S. Tsirkin struct ipoib_cm_data { 153839fcabaSMichael S. Tsirkin __be32 qpn; /* High byte MUST be ignored on receive */ 154839fcabaSMichael S. Tsirkin __be32 mtu; 155839fcabaSMichael S. Tsirkin }; 156839fcabaSMichael S. Tsirkin 157518b1646SMichael S. Tsirkin /* 158518b1646SMichael S. Tsirkin * Quoting 10.3.1 Queue Pair and EE Context States: 159518b1646SMichael S. Tsirkin * 160518b1646SMichael S. Tsirkin * Note, for QPs that are associated with an SRQ, the Consumer should take the 161518b1646SMichael S. Tsirkin * QP through the Error State before invoking a Destroy QP or a Modify QP to the 162518b1646SMichael S. Tsirkin * Reset State. The Consumer may invoke the Destroy QP without first performing 163518b1646SMichael S. Tsirkin * a Modify QP to the Error State and waiting for the Affiliated Asynchronous 164518b1646SMichael S. Tsirkin * Last WQE Reached Event. However, if the Consumer does not wait for the 165518b1646SMichael S. Tsirkin * Affiliated Asynchronous Last WQE Reached Event, then WQE and Data Segment 166518b1646SMichael S. Tsirkin * leakage may occur. Therefore, it is good programming practice to tear down a 167518b1646SMichael S. Tsirkin * QP that is associated with an SRQ by using the following process: 168518b1646SMichael S. Tsirkin * 169518b1646SMichael S. Tsirkin * - Put the QP in the Error State 170518b1646SMichael S. Tsirkin * - Wait for the Affiliated Asynchronous Last WQE Reached Event; 171518b1646SMichael S. Tsirkin * - either: 172518b1646SMichael S. Tsirkin * drain the CQ by invoking the Poll CQ verb and either wait for CQ 173518b1646SMichael S. Tsirkin * to be empty or the number of Poll CQ operations has exceeded 174518b1646SMichael S. Tsirkin * CQ capacity size; 175518b1646SMichael S. Tsirkin * - or 176518b1646SMichael S. Tsirkin * post another WR that completes on the same CQ and wait for this 177518b1646SMichael S. Tsirkin * WR to return as a WC; 178518b1646SMichael S. Tsirkin * - and then invoke a Destroy QP or Reset QP. 179518b1646SMichael S. Tsirkin * 180518b1646SMichael S. Tsirkin * We use the second option and wait for a completion on the 181ec56dc0bSMichael S. Tsirkin * same CQ before destroying QPs attached to our SRQ. 182518b1646SMichael S. Tsirkin */ 183518b1646SMichael S. Tsirkin 184518b1646SMichael S. Tsirkin enum ipoib_cm_state { 185518b1646SMichael S. Tsirkin IPOIB_CM_RX_LIVE, 186518b1646SMichael S. Tsirkin IPOIB_CM_RX_ERROR, /* Ignored by stale task */ 187518b1646SMichael S. Tsirkin IPOIB_CM_RX_FLUSH /* Last WQE Reached event observed */ 188518b1646SMichael S. Tsirkin }; 189518b1646SMichael S. Tsirkin 190839fcabaSMichael S. Tsirkin struct ipoib_cm_rx { 191839fcabaSMichael S. Tsirkin struct ib_cm_id *id; 192839fcabaSMichael S. Tsirkin struct ib_qp *qp; 19368e995a2SPradeep Satyanarayana struct ipoib_cm_rx_buf *rx_ring; 194839fcabaSMichael S. Tsirkin struct list_head list; 195839fcabaSMichael S. Tsirkin struct net_device *dev; 196839fcabaSMichael S. Tsirkin unsigned long jiffies; 197518b1646SMichael S. Tsirkin enum ipoib_cm_state state; 19868e995a2SPradeep Satyanarayana int recv_count; 199839fcabaSMichael S. Tsirkin }; 200839fcabaSMichael S. Tsirkin 201839fcabaSMichael S. Tsirkin struct ipoib_cm_tx { 202839fcabaSMichael S. Tsirkin struct ib_cm_id *id; 203839fcabaSMichael S. Tsirkin struct ib_qp *qp; 204839fcabaSMichael S. Tsirkin struct list_head list; 205839fcabaSMichael S. Tsirkin struct net_device *dev; 206839fcabaSMichael S. Tsirkin struct ipoib_neigh *neigh; 207839fcabaSMichael S. Tsirkin struct ipoib_path *path; 208839fcabaSMichael S. Tsirkin struct ipoib_tx_buf *tx_ring; 209839fcabaSMichael S. Tsirkin unsigned tx_head; 210839fcabaSMichael S. Tsirkin unsigned tx_tail; 211839fcabaSMichael S. Tsirkin unsigned long flags; 212839fcabaSMichael S. Tsirkin u32 mtu; 213839fcabaSMichael S. Tsirkin }; 214839fcabaSMichael S. Tsirkin 215839fcabaSMichael S. Tsirkin struct ipoib_cm_rx_buf { 216839fcabaSMichael S. Tsirkin struct sk_buff *skb; 217839fcabaSMichael S. Tsirkin u64 mapping[IPOIB_CM_RX_SG]; 218839fcabaSMichael S. Tsirkin }; 219839fcabaSMichael S. Tsirkin 220839fcabaSMichael S. Tsirkin struct ipoib_cm_dev_priv { 221839fcabaSMichael S. Tsirkin struct ib_srq *srq; 222839fcabaSMichael S. Tsirkin struct ipoib_cm_rx_buf *srq_ring; 223839fcabaSMichael S. Tsirkin struct ib_cm_id *id; 224518b1646SMichael S. Tsirkin struct list_head passive_ids; /* state: LIVE */ 225518b1646SMichael S. Tsirkin struct list_head rx_error_list; /* state: ERROR */ 226518b1646SMichael S. Tsirkin struct list_head rx_flush_list; /* state: FLUSH, drain not started */ 227518b1646SMichael S. Tsirkin struct list_head rx_drain_list; /* state: FLUSH, drain started */ 228518b1646SMichael S. Tsirkin struct list_head rx_reap_list; /* state: FLUSH, drain done */ 229839fcabaSMichael S. Tsirkin struct work_struct start_task; 230839fcabaSMichael S. Tsirkin struct work_struct reap_task; 231839fcabaSMichael S. Tsirkin struct work_struct skb_task; 232518b1646SMichael S. Tsirkin struct work_struct rx_reap_task; 233839fcabaSMichael S. Tsirkin struct delayed_work stale_task; 234839fcabaSMichael S. Tsirkin struct sk_buff_head skb_queue; 235839fcabaSMichael S. Tsirkin struct list_head start_list; 236839fcabaSMichael S. Tsirkin struct list_head reap_list; 237839fcabaSMichael S. Tsirkin struct ib_wc ibwc[IPOIB_NUM_WC]; 238839fcabaSMichael S. Tsirkin struct ib_sge rx_sge[IPOIB_CM_RX_SG]; 239839fcabaSMichael S. Tsirkin struct ib_recv_wr rx_wr; 24068e995a2SPradeep Satyanarayana int nonsrq_conn_qp; 241586a6934SPradeep Satyanarayana int max_cm_mtu; 242586a6934SPradeep Satyanarayana int num_frags; 243839fcabaSMichael S. Tsirkin }; 244839fcabaSMichael S. Tsirkin 24528d52b3cSEli Cohen struct ipoib_ethtool_st { 24628d52b3cSEli Cohen u16 coalesce_usecs; 24728d52b3cSEli Cohen u16 max_coalesced_frames; 24828d52b3cSEli Cohen }; 24928d52b3cSEli Cohen 2501da177e4SLinus Torvalds /* 2511da177e4SLinus Torvalds * Device private locking: tx_lock protects members used in TX fast 2521da177e4SLinus Torvalds * path (and we use LLTX so upper layers don't do extra locking). 2531da177e4SLinus Torvalds * lock protects everything else. lock nests inside of tx_lock (ie 2541da177e4SLinus Torvalds * tx_lock must be acquired first if needed). 2551da177e4SLinus Torvalds */ 2561da177e4SLinus Torvalds struct ipoib_dev_priv { 2571da177e4SLinus Torvalds spinlock_t lock; 2581da177e4SLinus Torvalds 2591da177e4SLinus Torvalds struct net_device *dev; 2601da177e4SLinus Torvalds 261bea3348eSStephen Hemminger struct napi_struct napi; 262bea3348eSStephen Hemminger 2631da177e4SLinus Torvalds unsigned long flags; 2641da177e4SLinus Torvalds 26595ed644fSIngo Molnar struct mutex mcast_mutex; 26695ed644fSIngo Molnar struct mutex vlan_mutex; 2671da177e4SLinus Torvalds 2681da177e4SLinus Torvalds struct rb_root path_tree; 2691da177e4SLinus Torvalds struct list_head path_list; 2701da177e4SLinus Torvalds 2711da177e4SLinus Torvalds struct ipoib_mcast *broadcast; 2721da177e4SLinus Torvalds struct list_head multicast_list; 2731da177e4SLinus Torvalds struct rb_root multicast_tree; 2741da177e4SLinus Torvalds 27526bbf13cSYosef Etigin struct delayed_work pkey_poll_task; 276c4028958SDavid Howells struct delayed_work mcast_task; 2771da177e4SLinus Torvalds struct work_struct flush_task; 2781da177e4SLinus Torvalds struct work_struct restart_task; 279c4028958SDavid Howells struct delayed_work ah_reap_task; 28026bbf13cSYosef Etigin struct work_struct pkey_event_task; 2811da177e4SLinus Torvalds 2821da177e4SLinus Torvalds struct ib_device *ca; 2831da177e4SLinus Torvalds u8 port; 2841da177e4SLinus Torvalds u16 pkey; 28526bbf13cSYosef Etigin u16 pkey_index; 2861da177e4SLinus Torvalds struct ib_pd *pd; 2871da177e4SLinus Torvalds struct ib_mr *mr; 2881da177e4SLinus Torvalds struct ib_cq *cq; 2891da177e4SLinus Torvalds struct ib_qp *qp; 2901da177e4SLinus Torvalds u32 qkey; 2911da177e4SLinus Torvalds 2921da177e4SLinus Torvalds union ib_gid local_gid; 2931da177e4SLinus Torvalds u16 local_lid; 2941da177e4SLinus Torvalds 2951da177e4SLinus Torvalds unsigned int admin_mtu; 2961da177e4SLinus Torvalds unsigned int mcast_mtu; 297*bc7b3a36SShirley Ma unsigned int max_ib_mtu; 2981da177e4SLinus Torvalds 2991993d683SRoland Dreier struct ipoib_rx_buf *rx_ring; 3001da177e4SLinus Torvalds 3011da177e4SLinus Torvalds spinlock_t tx_lock; 3021993d683SRoland Dreier struct ipoib_tx_buf *tx_ring; 3031da177e4SLinus Torvalds unsigned tx_head; 3041da177e4SLinus Torvalds unsigned tx_tail; 3057143740dSEli Cohen struct ib_sge tx_sge[MAX_SKB_FRAGS + 1]; 3061da177e4SLinus Torvalds struct ib_send_wr tx_wr; 3071b524963SMichael S. Tsirkin unsigned tx_outstanding; 3081da177e4SLinus Torvalds 309*bc7b3a36SShirley Ma struct ib_recv_wr rx_wr; 310*bc7b3a36SShirley Ma struct ib_sge rx_sge[IPOIB_UD_RX_SG]; 311*bc7b3a36SShirley Ma 3121da177e4SLinus Torvalds struct ib_wc ibwc[IPOIB_NUM_WC]; 3131da177e4SLinus Torvalds 3141da177e4SLinus Torvalds struct list_head dead_ahs; 3151da177e4SLinus Torvalds 3161da177e4SLinus Torvalds struct ib_event_handler event_handler; 3171da177e4SLinus Torvalds 3181da177e4SLinus Torvalds struct net_device *parent; 3191da177e4SLinus Torvalds struct list_head child_intfs; 3201da177e4SLinus Torvalds struct list_head list; 3211da177e4SLinus Torvalds 322839fcabaSMichael S. Tsirkin #ifdef CONFIG_INFINIBAND_IPOIB_CM 323839fcabaSMichael S. Tsirkin struct ipoib_cm_dev_priv cm; 324839fcabaSMichael S. Tsirkin #endif 325839fcabaSMichael S. Tsirkin 3261da177e4SLinus Torvalds #ifdef CONFIG_INFINIBAND_IPOIB_DEBUG 3271da177e4SLinus Torvalds struct list_head fs_list; 3281da177e4SLinus Torvalds struct dentry *mcg_dentry; 3291732b0efSRoland Dreier struct dentry *path_dentry; 3301da177e4SLinus Torvalds #endif 33140ca1988SEli Cohen int hca_caps; 33228d52b3cSEli Cohen struct ipoib_ethtool_st ethtool; 3331da177e4SLinus Torvalds }; 3341da177e4SLinus Torvalds 3351da177e4SLinus Torvalds struct ipoib_ah { 3361da177e4SLinus Torvalds struct net_device *dev; 3371da177e4SLinus Torvalds struct ib_ah *ah; 3381da177e4SLinus Torvalds struct list_head list; 3391da177e4SLinus Torvalds struct kref ref; 3401da177e4SLinus Torvalds unsigned last_send; 3411da177e4SLinus Torvalds }; 3421da177e4SLinus Torvalds 3431da177e4SLinus Torvalds struct ipoib_path { 3441da177e4SLinus Torvalds struct net_device *dev; 3451da177e4SLinus Torvalds struct ib_sa_path_rec pathrec; 3461da177e4SLinus Torvalds struct ipoib_ah *ah; 3471da177e4SLinus Torvalds struct sk_buff_head queue; 3481da177e4SLinus Torvalds 3491da177e4SLinus Torvalds struct list_head neigh_list; 3501da177e4SLinus Torvalds 3511da177e4SLinus Torvalds int query_id; 3521da177e4SLinus Torvalds struct ib_sa_query *query; 3531da177e4SLinus Torvalds struct completion done; 3541da177e4SLinus Torvalds 3551da177e4SLinus Torvalds struct rb_node rb_node; 3561da177e4SLinus Torvalds struct list_head list; 3571da177e4SLinus Torvalds }; 3581da177e4SLinus Torvalds 3591da177e4SLinus Torvalds struct ipoib_neigh { 3601da177e4SLinus Torvalds struct ipoib_ah *ah; 361839fcabaSMichael S. Tsirkin #ifdef CONFIG_INFINIBAND_IPOIB_CM 362839fcabaSMichael S. Tsirkin struct ipoib_cm_tx *cm; 363839fcabaSMichael S. Tsirkin #endif 3648a7f7521SMichael S. Tsirkin union ib_gid dgid; 3651da177e4SLinus Torvalds struct sk_buff_head queue; 3661da177e4SLinus Torvalds 3671da177e4SLinus Torvalds struct neighbour *neighbour; 368732a2170SMoni Shoua struct net_device *dev; 3691da177e4SLinus Torvalds 3701da177e4SLinus Torvalds struct list_head list; 3711da177e4SLinus Torvalds }; 3721da177e4SLinus Torvalds 373*bc7b3a36SShirley Ma #define IPOIB_UD_MTU(ib_mtu) (ib_mtu - IPOIB_ENCAP_LEN) 374*bc7b3a36SShirley Ma #define IPOIB_UD_BUF_SIZE(ib_mtu) (ib_mtu + IB_GRH_BYTES) 375*bc7b3a36SShirley Ma 376*bc7b3a36SShirley Ma static inline int ipoib_ud_need_sg(unsigned int ib_mtu) 377*bc7b3a36SShirley Ma { 378*bc7b3a36SShirley Ma return IPOIB_UD_BUF_SIZE(ib_mtu) > PAGE_SIZE; 379*bc7b3a36SShirley Ma } 380*bc7b3a36SShirley Ma 38144af79f9SMichael S. Tsirkin /* 38244af79f9SMichael S. Tsirkin * We stash a pointer to our private neighbour information after our 38344af79f9SMichael S. Tsirkin * hardware address in neigh->ha. The ALIGN() expression here makes 38444af79f9SMichael S. Tsirkin * sure that this pointer is stored aligned so that an unaligned 38544af79f9SMichael S. Tsirkin * load is not needed to dereference it. 38644af79f9SMichael S. Tsirkin */ 3871da177e4SLinus Torvalds static inline struct ipoib_neigh **to_ipoib_neigh(struct neighbour *neigh) 3881da177e4SLinus Torvalds { 38944af79f9SMichael S. Tsirkin return (void*) neigh + ALIGN(offsetof(struct neighbour, ha) + 39044af79f9SMichael S. Tsirkin INFINIBAND_ALEN, sizeof(void *)); 3911da177e4SLinus Torvalds } 3921da177e4SLinus Torvalds 393732a2170SMoni Shoua struct ipoib_neigh *ipoib_neigh_alloc(struct neighbour *neigh, 394732a2170SMoni Shoua struct net_device *dev); 3952745b5b7SMichael S. Tsirkin void ipoib_neigh_free(struct net_device *dev, struct ipoib_neigh *neigh); 396d2e0655eSMichael S. Tsirkin 3971da177e4SLinus Torvalds extern struct workqueue_struct *ipoib_workqueue; 3981da177e4SLinus Torvalds 3991da177e4SLinus Torvalds /* functions */ 4001da177e4SLinus Torvalds 401bea3348eSStephen Hemminger int ipoib_poll(struct napi_struct *napi, int budget); 4021da177e4SLinus Torvalds void ipoib_ib_completion(struct ib_cq *cq, void *dev_ptr); 4031da177e4SLinus Torvalds 4041da177e4SLinus Torvalds struct ipoib_ah *ipoib_create_ah(struct net_device *dev, 4051da177e4SLinus Torvalds struct ib_pd *pd, struct ib_ah_attr *attr); 4061da177e4SLinus Torvalds void ipoib_free_ah(struct kref *kref); 4071da177e4SLinus Torvalds static inline void ipoib_put_ah(struct ipoib_ah *ah) 4081da177e4SLinus Torvalds { 4091da177e4SLinus Torvalds kref_put(&ah->ref, ipoib_free_ah); 4101da177e4SLinus Torvalds } 4111da177e4SLinus Torvalds 4128ae5a8a2SRoland Dreier int ipoib_open(struct net_device *dev); 4131da177e4SLinus Torvalds int ipoib_add_pkey_attr(struct net_device *dev); 414335a64a5SOr Gerlitz int ipoib_add_umcast_attr(struct net_device *dev); 4151da177e4SLinus Torvalds 4161da177e4SLinus Torvalds void ipoib_send(struct net_device *dev, struct sk_buff *skb, 4171da177e4SLinus Torvalds struct ipoib_ah *address, u32 qpn); 418c4028958SDavid Howells void ipoib_reap_ah(struct work_struct *work); 4191da177e4SLinus Torvalds 4201da177e4SLinus Torvalds void ipoib_flush_paths(struct net_device *dev); 4211da177e4SLinus Torvalds struct ipoib_dev_priv *ipoib_intf_alloc(const char *format); 4221da177e4SLinus Torvalds 4231da177e4SLinus Torvalds int ipoib_ib_dev_init(struct net_device *dev, struct ib_device *ca, int port); 424c4028958SDavid Howells void ipoib_ib_dev_flush(struct work_struct *work); 42526bbf13cSYosef Etigin void ipoib_pkey_event(struct work_struct *work); 4261da177e4SLinus Torvalds void ipoib_ib_dev_cleanup(struct net_device *dev); 4271da177e4SLinus Torvalds 4281da177e4SLinus Torvalds int ipoib_ib_dev_open(struct net_device *dev); 4291da177e4SLinus Torvalds int ipoib_ib_dev_up(struct net_device *dev); 4300b3ea082SJack Morgenstein int ipoib_ib_dev_down(struct net_device *dev, int flush); 43126bbf13cSYosef Etigin int ipoib_ib_dev_stop(struct net_device *dev, int flush); 4321da177e4SLinus Torvalds 4331da177e4SLinus Torvalds int ipoib_dev_init(struct net_device *dev, struct ib_device *ca, int port); 4341da177e4SLinus Torvalds void ipoib_dev_cleanup(struct net_device *dev); 4351da177e4SLinus Torvalds 436c4028958SDavid Howells void ipoib_mcast_join_task(struct work_struct *work); 43737c22a77SJack Morgenstein void ipoib_mcast_send(struct net_device *dev, void *mgid, struct sk_buff *skb); 4381da177e4SLinus Torvalds 439c4028958SDavid Howells void ipoib_mcast_restart_task(struct work_struct *work); 4401da177e4SLinus Torvalds int ipoib_mcast_start_thread(struct net_device *dev); 4418d2cae06SRoland Dreier int ipoib_mcast_stop_thread(struct net_device *dev, int flush); 4421da177e4SLinus Torvalds 4431da177e4SLinus Torvalds void ipoib_mcast_dev_down(struct net_device *dev); 4441da177e4SLinus Torvalds void ipoib_mcast_dev_flush(struct net_device *dev); 4451da177e4SLinus Torvalds 4468ae5a8a2SRoland Dreier #ifdef CONFIG_INFINIBAND_IPOIB_DEBUG 4471da177e4SLinus Torvalds struct ipoib_mcast_iter *ipoib_mcast_iter_init(struct net_device *dev); 4481da177e4SLinus Torvalds int ipoib_mcast_iter_next(struct ipoib_mcast_iter *iter); 4491da177e4SLinus Torvalds void ipoib_mcast_iter_read(struct ipoib_mcast_iter *iter, 4501da177e4SLinus Torvalds union ib_gid *gid, 4511da177e4SLinus Torvalds unsigned long *created, 4521da177e4SLinus Torvalds unsigned int *queuelen, 4531da177e4SLinus Torvalds unsigned int *complete, 4541da177e4SLinus Torvalds unsigned int *send_only); 4551732b0efSRoland Dreier 4561732b0efSRoland Dreier struct ipoib_path_iter *ipoib_path_iter_init(struct net_device *dev); 4571732b0efSRoland Dreier int ipoib_path_iter_next(struct ipoib_path_iter *iter); 4581732b0efSRoland Dreier void ipoib_path_iter_read(struct ipoib_path_iter *iter, 4591732b0efSRoland Dreier struct ipoib_path *path); 4608ae5a8a2SRoland Dreier #endif 4611da177e4SLinus Torvalds 4621da177e4SLinus Torvalds int ipoib_mcast_attach(struct net_device *dev, u16 mlid, 4631da177e4SLinus Torvalds union ib_gid *mgid); 4641da177e4SLinus Torvalds int ipoib_mcast_detach(struct net_device *dev, u16 mlid, 4651da177e4SLinus Torvalds union ib_gid *mgid); 4661da177e4SLinus Torvalds 4675b6810e0SRoland Dreier int ipoib_init_qp(struct net_device *dev); 4681da177e4SLinus Torvalds int ipoib_transport_dev_init(struct net_device *dev, struct ib_device *ca); 4691da177e4SLinus Torvalds void ipoib_transport_dev_cleanup(struct net_device *dev); 4701da177e4SLinus Torvalds 4711da177e4SLinus Torvalds void ipoib_event(struct ib_event_handler *handler, 4721da177e4SLinus Torvalds struct ib_event *record); 4731da177e4SLinus Torvalds 4741da177e4SLinus Torvalds int ipoib_vlan_add(struct net_device *pdev, unsigned short pkey); 4751da177e4SLinus Torvalds int ipoib_vlan_delete(struct net_device *pdev, unsigned short pkey); 4761da177e4SLinus Torvalds 477c4028958SDavid Howells void ipoib_pkey_poll(struct work_struct *work); 4781da177e4SLinus Torvalds int ipoib_pkey_dev_delay_open(struct net_device *dev); 4792dfbfc37SMichael S. Tsirkin void ipoib_drain_cq(struct net_device *dev); 4801da177e4SLinus Torvalds 48182c24c18SEli Cohen void ipoib_set_ethtool_ops(struct net_device *dev); 48282c24c18SEli Cohen 483839fcabaSMichael S. Tsirkin #ifdef CONFIG_INFINIBAND_IPOIB_CM 484839fcabaSMichael S. Tsirkin 485839fcabaSMichael S. Tsirkin #define IPOIB_FLAGS_RC 0x80 486839fcabaSMichael S. Tsirkin #define IPOIB_FLAGS_UC 0x40 487839fcabaSMichael S. Tsirkin 488839fcabaSMichael S. Tsirkin /* We don't support UC connections at the moment */ 489839fcabaSMichael S. Tsirkin #define IPOIB_CM_SUPPORTED(ha) (ha[0] & (IPOIB_FLAGS_RC)) 490839fcabaSMichael S. Tsirkin 49168e995a2SPradeep Satyanarayana extern int ipoib_max_conn_qp; 49268e995a2SPradeep Satyanarayana 493839fcabaSMichael S. Tsirkin static inline int ipoib_cm_admin_enabled(struct net_device *dev) 494839fcabaSMichael S. Tsirkin { 495839fcabaSMichael S. Tsirkin struct ipoib_dev_priv *priv = netdev_priv(dev); 496839fcabaSMichael S. Tsirkin return IPOIB_CM_SUPPORTED(dev->dev_addr) && 497839fcabaSMichael S. Tsirkin test_bit(IPOIB_FLAG_ADMIN_CM, &priv->flags); 498839fcabaSMichael S. Tsirkin } 499839fcabaSMichael S. Tsirkin 500839fcabaSMichael S. Tsirkin static inline int ipoib_cm_enabled(struct net_device *dev, struct neighbour *n) 501839fcabaSMichael S. Tsirkin { 502839fcabaSMichael S. Tsirkin struct ipoib_dev_priv *priv = netdev_priv(dev); 503839fcabaSMichael S. Tsirkin return IPOIB_CM_SUPPORTED(n->ha) && 504839fcabaSMichael S. Tsirkin test_bit(IPOIB_FLAG_ADMIN_CM, &priv->flags); 505839fcabaSMichael S. Tsirkin } 506839fcabaSMichael S. Tsirkin 507839fcabaSMichael S. Tsirkin static inline int ipoib_cm_up(struct ipoib_neigh *neigh) 508839fcabaSMichael S. Tsirkin 509839fcabaSMichael S. Tsirkin { 510839fcabaSMichael S. Tsirkin return test_bit(IPOIB_FLAG_OPER_UP, &neigh->cm->flags); 511839fcabaSMichael S. Tsirkin } 512839fcabaSMichael S. Tsirkin 513839fcabaSMichael S. Tsirkin static inline struct ipoib_cm_tx *ipoib_cm_get(struct ipoib_neigh *neigh) 514839fcabaSMichael S. Tsirkin { 515839fcabaSMichael S. Tsirkin return neigh->cm; 516839fcabaSMichael S. Tsirkin } 517839fcabaSMichael S. Tsirkin 518839fcabaSMichael S. Tsirkin static inline void ipoib_cm_set(struct ipoib_neigh *neigh, struct ipoib_cm_tx *tx) 519839fcabaSMichael S. Tsirkin { 520839fcabaSMichael S. Tsirkin neigh->cm = tx; 521839fcabaSMichael S. Tsirkin } 522839fcabaSMichael S. Tsirkin 52368e995a2SPradeep Satyanarayana static inline int ipoib_cm_has_srq(struct net_device *dev) 52468e995a2SPradeep Satyanarayana { 52568e995a2SPradeep Satyanarayana struct ipoib_dev_priv *priv = netdev_priv(dev); 52668e995a2SPradeep Satyanarayana return !!priv->cm.srq; 52768e995a2SPradeep Satyanarayana } 52868e995a2SPradeep Satyanarayana 529586a6934SPradeep Satyanarayana static inline unsigned int ipoib_cm_max_mtu(struct net_device *dev) 530586a6934SPradeep Satyanarayana { 531586a6934SPradeep Satyanarayana struct ipoib_dev_priv *priv = netdev_priv(dev); 532586a6934SPradeep Satyanarayana return priv->cm.max_cm_mtu; 533586a6934SPradeep Satyanarayana } 534586a6934SPradeep Satyanarayana 535839fcabaSMichael S. Tsirkin void ipoib_cm_send(struct net_device *dev, struct sk_buff *skb, struct ipoib_cm_tx *tx); 536839fcabaSMichael S. Tsirkin int ipoib_cm_dev_open(struct net_device *dev); 537839fcabaSMichael S. Tsirkin void ipoib_cm_dev_stop(struct net_device *dev); 538839fcabaSMichael S. Tsirkin int ipoib_cm_dev_init(struct net_device *dev); 539839fcabaSMichael S. Tsirkin int ipoib_cm_add_mode_attr(struct net_device *dev); 540839fcabaSMichael S. Tsirkin void ipoib_cm_dev_cleanup(struct net_device *dev); 541839fcabaSMichael S. Tsirkin struct ipoib_cm_tx *ipoib_cm_create_tx(struct net_device *dev, struct ipoib_path *path, 542839fcabaSMichael S. Tsirkin struct ipoib_neigh *neigh); 543839fcabaSMichael S. Tsirkin void ipoib_cm_destroy_tx(struct ipoib_cm_tx *tx); 544839fcabaSMichael S. Tsirkin void ipoib_cm_skb_too_long(struct net_device *dev, struct sk_buff *skb, 545839fcabaSMichael S. Tsirkin unsigned int mtu); 546839fcabaSMichael S. Tsirkin void ipoib_cm_handle_rx_wc(struct net_device *dev, struct ib_wc *wc); 5471b524963SMichael S. Tsirkin void ipoib_cm_handle_tx_wc(struct net_device *dev, struct ib_wc *wc); 548839fcabaSMichael S. Tsirkin #else 549839fcabaSMichael S. Tsirkin 550839fcabaSMichael S. Tsirkin struct ipoib_cm_tx; 551839fcabaSMichael S. Tsirkin 55268e995a2SPradeep Satyanarayana #define ipoib_max_conn_qp 0 55368e995a2SPradeep Satyanarayana 554839fcabaSMichael S. Tsirkin static inline int ipoib_cm_admin_enabled(struct net_device *dev) 555839fcabaSMichael S. Tsirkin { 556839fcabaSMichael S. Tsirkin return 0; 557839fcabaSMichael S. Tsirkin } 558839fcabaSMichael S. Tsirkin static inline int ipoib_cm_enabled(struct net_device *dev, struct neighbour *n) 559839fcabaSMichael S. Tsirkin 560839fcabaSMichael S. Tsirkin { 561839fcabaSMichael S. Tsirkin return 0; 562839fcabaSMichael S. Tsirkin } 563839fcabaSMichael S. Tsirkin 564839fcabaSMichael S. Tsirkin static inline int ipoib_cm_up(struct ipoib_neigh *neigh) 565839fcabaSMichael S. Tsirkin 566839fcabaSMichael S. Tsirkin { 567839fcabaSMichael S. Tsirkin return 0; 568839fcabaSMichael S. Tsirkin } 569839fcabaSMichael S. Tsirkin 570839fcabaSMichael S. Tsirkin static inline struct ipoib_cm_tx *ipoib_cm_get(struct ipoib_neigh *neigh) 571839fcabaSMichael S. Tsirkin { 572839fcabaSMichael S. Tsirkin return NULL; 573839fcabaSMichael S. Tsirkin } 574839fcabaSMichael S. Tsirkin 575839fcabaSMichael S. Tsirkin static inline void ipoib_cm_set(struct ipoib_neigh *neigh, struct ipoib_cm_tx *tx) 576839fcabaSMichael S. Tsirkin { 577839fcabaSMichael S. Tsirkin } 578839fcabaSMichael S. Tsirkin 57968e995a2SPradeep Satyanarayana static inline int ipoib_cm_has_srq(struct net_device *dev) 58068e995a2SPradeep Satyanarayana { 58168e995a2SPradeep Satyanarayana return 0; 58268e995a2SPradeep Satyanarayana } 58368e995a2SPradeep Satyanarayana 584586a6934SPradeep Satyanarayana static inline unsigned int ipoib_cm_max_mtu(struct net_device *dev) 585586a6934SPradeep Satyanarayana { 586586a6934SPradeep Satyanarayana return 0; 587586a6934SPradeep Satyanarayana } 588586a6934SPradeep Satyanarayana 589839fcabaSMichael S. Tsirkin static inline 590839fcabaSMichael S. Tsirkin void ipoib_cm_send(struct net_device *dev, struct sk_buff *skb, struct ipoib_cm_tx *tx) 591839fcabaSMichael S. Tsirkin { 592839fcabaSMichael S. Tsirkin return; 593839fcabaSMichael S. Tsirkin } 594839fcabaSMichael S. Tsirkin 595839fcabaSMichael S. Tsirkin static inline 596839fcabaSMichael S. Tsirkin int ipoib_cm_dev_open(struct net_device *dev) 597839fcabaSMichael S. Tsirkin { 598839fcabaSMichael S. Tsirkin return 0; 599839fcabaSMichael S. Tsirkin } 600839fcabaSMichael S. Tsirkin 601839fcabaSMichael S. Tsirkin static inline 602839fcabaSMichael S. Tsirkin void ipoib_cm_dev_stop(struct net_device *dev) 603839fcabaSMichael S. Tsirkin { 604839fcabaSMichael S. Tsirkin return; 605839fcabaSMichael S. Tsirkin } 606839fcabaSMichael S. Tsirkin 607839fcabaSMichael S. Tsirkin static inline 608839fcabaSMichael S. Tsirkin int ipoib_cm_dev_init(struct net_device *dev) 609839fcabaSMichael S. Tsirkin { 610839fcabaSMichael S. Tsirkin return -ENOSYS; 611839fcabaSMichael S. Tsirkin } 612839fcabaSMichael S. Tsirkin 613839fcabaSMichael S. Tsirkin static inline 614839fcabaSMichael S. Tsirkin void ipoib_cm_dev_cleanup(struct net_device *dev) 615839fcabaSMichael S. Tsirkin { 616839fcabaSMichael S. Tsirkin return; 617839fcabaSMichael S. Tsirkin } 618839fcabaSMichael S. Tsirkin 619839fcabaSMichael S. Tsirkin static inline 620839fcabaSMichael S. Tsirkin struct ipoib_cm_tx *ipoib_cm_create_tx(struct net_device *dev, struct ipoib_path *path, 621839fcabaSMichael S. Tsirkin struct ipoib_neigh *neigh) 622839fcabaSMichael S. Tsirkin { 623839fcabaSMichael S. Tsirkin return NULL; 624839fcabaSMichael S. Tsirkin } 625839fcabaSMichael S. Tsirkin 626839fcabaSMichael S. Tsirkin static inline 627839fcabaSMichael S. Tsirkin void ipoib_cm_destroy_tx(struct ipoib_cm_tx *tx) 628839fcabaSMichael S. Tsirkin { 629839fcabaSMichael S. Tsirkin return; 630839fcabaSMichael S. Tsirkin } 631839fcabaSMichael S. Tsirkin 632839fcabaSMichael S. Tsirkin static inline 633839fcabaSMichael S. Tsirkin int ipoib_cm_add_mode_attr(struct net_device *dev) 634839fcabaSMichael S. Tsirkin { 635839fcabaSMichael S. Tsirkin return 0; 636839fcabaSMichael S. Tsirkin } 637839fcabaSMichael S. Tsirkin 638839fcabaSMichael S. Tsirkin static inline void ipoib_cm_skb_too_long(struct net_device *dev, struct sk_buff *skb, 639839fcabaSMichael S. Tsirkin unsigned int mtu) 640839fcabaSMichael S. Tsirkin { 641839fcabaSMichael S. Tsirkin dev_kfree_skb_any(skb); 642839fcabaSMichael S. Tsirkin } 643839fcabaSMichael S. Tsirkin 644839fcabaSMichael S. Tsirkin static inline void ipoib_cm_handle_rx_wc(struct net_device *dev, struct ib_wc *wc) 645839fcabaSMichael S. Tsirkin { 646839fcabaSMichael S. Tsirkin } 647839fcabaSMichael S. Tsirkin 6481b524963SMichael S. Tsirkin static inline void ipoib_cm_handle_tx_wc(struct net_device *dev, struct ib_wc *wc) 6491b524963SMichael S. Tsirkin { 6501b524963SMichael S. Tsirkin } 651839fcabaSMichael S. Tsirkin #endif 652839fcabaSMichael S. Tsirkin 6531da177e4SLinus Torvalds #ifdef CONFIG_INFINIBAND_IPOIB_DEBUG 6541732b0efSRoland Dreier void ipoib_create_debug_files(struct net_device *dev); 6551732b0efSRoland Dreier void ipoib_delete_debug_files(struct net_device *dev); 6561da177e4SLinus Torvalds int ipoib_register_debugfs(void); 6571da177e4SLinus Torvalds void ipoib_unregister_debugfs(void); 6581da177e4SLinus Torvalds #else 6591732b0efSRoland Dreier static inline void ipoib_create_debug_files(struct net_device *dev) { } 6601732b0efSRoland Dreier static inline void ipoib_delete_debug_files(struct net_device *dev) { } 6611da177e4SLinus Torvalds static inline int ipoib_register_debugfs(void) { return 0; } 6621da177e4SLinus Torvalds static inline void ipoib_unregister_debugfs(void) { } 6631da177e4SLinus Torvalds #endif 6641da177e4SLinus Torvalds 6651da177e4SLinus Torvalds 6661da177e4SLinus Torvalds #define ipoib_printk(level, priv, format, arg...) \ 6671da177e4SLinus Torvalds printk(level "%s: " format, ((struct ipoib_dev_priv *) priv)->dev->name , ## arg) 6681da177e4SLinus Torvalds #define ipoib_warn(priv, format, arg...) \ 6691da177e4SLinus Torvalds ipoib_printk(KERN_WARNING, priv, format , ## arg) 6701da177e4SLinus Torvalds 6710f485251SShirley Ma extern int ipoib_sendq_size; 6720f485251SShirley Ma extern int ipoib_recvq_size; 6731da177e4SLinus Torvalds 674c1a0b23bSMichael S. Tsirkin extern struct ib_sa_client ipoib_sa_client; 675c1a0b23bSMichael S. Tsirkin 6761da177e4SLinus Torvalds #ifdef CONFIG_INFINIBAND_IPOIB_DEBUG 6771da177e4SLinus Torvalds extern int ipoib_debug_level; 6781da177e4SLinus Torvalds 6791da177e4SLinus Torvalds #define ipoib_dbg(priv, format, arg...) \ 6801da177e4SLinus Torvalds do { \ 6811da177e4SLinus Torvalds if (ipoib_debug_level > 0) \ 6821da177e4SLinus Torvalds ipoib_printk(KERN_DEBUG, priv, format , ## arg); \ 6831da177e4SLinus Torvalds } while (0) 6841da177e4SLinus Torvalds #define ipoib_dbg_mcast(priv, format, arg...) \ 6851da177e4SLinus Torvalds do { \ 6861da177e4SLinus Torvalds if (mcast_debug_level > 0) \ 6871da177e4SLinus Torvalds ipoib_printk(KERN_DEBUG, priv, format , ## arg); \ 6881da177e4SLinus Torvalds } while (0) 6891da177e4SLinus Torvalds #else /* CONFIG_INFINIBAND_IPOIB_DEBUG */ 6901da177e4SLinus Torvalds #define ipoib_dbg(priv, format, arg...) \ 6911da177e4SLinus Torvalds do { (void) (priv); } while (0) 6921da177e4SLinus Torvalds #define ipoib_dbg_mcast(priv, format, arg...) \ 6931da177e4SLinus Torvalds do { (void) (priv); } while (0) 6941da177e4SLinus Torvalds #endif /* CONFIG_INFINIBAND_IPOIB_DEBUG */ 6951da177e4SLinus Torvalds 6961da177e4SLinus Torvalds #ifdef CONFIG_INFINIBAND_IPOIB_DEBUG_DATA 6971da177e4SLinus Torvalds #define ipoib_dbg_data(priv, format, arg...) \ 6981da177e4SLinus Torvalds do { \ 6991da177e4SLinus Torvalds if (data_debug_level > 0) \ 7001da177e4SLinus Torvalds ipoib_printk(KERN_DEBUG, priv, format , ## arg); \ 7011da177e4SLinus Torvalds } while (0) 7021da177e4SLinus Torvalds #else /* CONFIG_INFINIBAND_IPOIB_DEBUG_DATA */ 7031da177e4SLinus Torvalds #define ipoib_dbg_data(priv, format, arg...) \ 7041da177e4SLinus Torvalds do { (void) (priv); } while (0) 7051da177e4SLinus Torvalds #endif /* CONFIG_INFINIBAND_IPOIB_DEBUG_DATA */ 7061da177e4SLinus Torvalds 7071da177e4SLinus Torvalds 70837c22a77SJack Morgenstein #define IPOIB_GID_FMT "%2.2x%2.2x:%2.2x%2.2x:%2.2x%2.2x:%2.2x%2.2x:" \ 70937c22a77SJack Morgenstein "%2.2x%2.2x:%2.2x%2.2x:%2.2x%2.2x:%2.2x%2.2x" 7101da177e4SLinus Torvalds 71137c22a77SJack Morgenstein #define IPOIB_GID_RAW_ARG(gid) ((u8 *)(gid))[0], \ 71237c22a77SJack Morgenstein ((u8 *)(gid))[1], \ 71337c22a77SJack Morgenstein ((u8 *)(gid))[2], \ 71437c22a77SJack Morgenstein ((u8 *)(gid))[3], \ 71537c22a77SJack Morgenstein ((u8 *)(gid))[4], \ 71637c22a77SJack Morgenstein ((u8 *)(gid))[5], \ 71737c22a77SJack Morgenstein ((u8 *)(gid))[6], \ 71837c22a77SJack Morgenstein ((u8 *)(gid))[7], \ 71937c22a77SJack Morgenstein ((u8 *)(gid))[8], \ 72037c22a77SJack Morgenstein ((u8 *)(gid))[9], \ 72137c22a77SJack Morgenstein ((u8 *)(gid))[10],\ 72237c22a77SJack Morgenstein ((u8 *)(gid))[11],\ 72337c22a77SJack Morgenstein ((u8 *)(gid))[12],\ 72437c22a77SJack Morgenstein ((u8 *)(gid))[13],\ 72537c22a77SJack Morgenstein ((u8 *)(gid))[14],\ 72637c22a77SJack Morgenstein ((u8 *)(gid))[15] 72737c22a77SJack Morgenstein 72837c22a77SJack Morgenstein #define IPOIB_GID_ARG(gid) IPOIB_GID_RAW_ARG((gid).raw) 7291da177e4SLinus Torvalds 730839fcabaSMichael S. Tsirkin #define IPOIB_QPN(ha) (be32_to_cpup((__be32 *) ha) & 0xffffff) 731839fcabaSMichael S. Tsirkin 7321da177e4SLinus Torvalds #endif /* _IPOIB_H */ 733