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 351da177e4SLinus Torvalds #ifndef _IPOIB_H 361da177e4SLinus Torvalds #define _IPOIB_H 371da177e4SLinus Torvalds 381da177e4SLinus Torvalds #include <linux/list.h> 391da177e4SLinus Torvalds #include <linux/skbuff.h> 401da177e4SLinus Torvalds #include <linux/netdevice.h> 411da177e4SLinus Torvalds #include <linux/workqueue.h> 421da177e4SLinus Torvalds #include <linux/kref.h> 431da177e4SLinus Torvalds #include <linux/if_infiniband.h> 4495ed644fSIngo Molnar #include <linux/mutex.h> 451da177e4SLinus Torvalds 461da177e4SLinus Torvalds #include <net/neighbour.h> 47936d7de3SRoland Dreier #include <net/sch_generic.h> 481da177e4SLinus Torvalds 4960063497SArun Sharma #include <linux/atomic.h> 501da177e4SLinus Torvalds 51a4d61e84SRoland Dreier #include <rdma/ib_verbs.h> 52a4d61e84SRoland Dreier #include <rdma/ib_pack.h> 53a4d61e84SRoland Dreier #include <rdma/ib_sa.h> 5419e364f6SOr Gerlitz #include <linux/sched.h> 551da177e4SLinus Torvalds 561da177e4SLinus Torvalds /* constants */ 571da177e4SLinus Torvalds 58ee1e2c82SMoni Shoua enum ipoib_flush_level { 59ee1e2c82SMoni Shoua IPOIB_FLUSH_LIGHT, 60ee1e2c82SMoni Shoua IPOIB_FLUSH_NORMAL, 61ee1e2c82SMoni Shoua IPOIB_FLUSH_HEAVY 62ee1e2c82SMoni Shoua }; 63ee1e2c82SMoni Shoua 641da177e4SLinus Torvalds enum { 651da177e4SLinus Torvalds IPOIB_ENCAP_LEN = 4, 661da177e4SLinus Torvalds 67bc7b3a36SShirley Ma IPOIB_UD_HEAD_SIZE = IB_GRH_BYTES + IPOIB_ENCAP_LEN, 68bc7b3a36SShirley Ma IPOIB_UD_RX_SG = 2, /* max buffer needed for 4K mtu */ 69bc7b3a36SShirley Ma 70839fcabaSMichael S. Tsirkin IPOIB_CM_MTU = 0x10000 - 0x10, /* padding to align header to 16 */ 71839fcabaSMichael S. Tsirkin IPOIB_CM_BUF_SIZE = IPOIB_CM_MTU + IPOIB_ENCAP_LEN, 72839fcabaSMichael S. Tsirkin IPOIB_CM_HEAD_SIZE = IPOIB_CM_BUF_SIZE % PAGE_SIZE, 73839fcabaSMichael S. Tsirkin IPOIB_CM_RX_SG = ALIGN(IPOIB_CM_BUF_SIZE, PAGE_SIZE) / PAGE_SIZE, 74bc3a290bSEli Cohen IPOIB_RX_RING_SIZE = 256, 75bc3a290bSEli Cohen IPOIB_TX_RING_SIZE = 128, 760f485251SShirley Ma IPOIB_MAX_QUEUE_SIZE = 8192, 770f485251SShirley Ma IPOIB_MIN_QUEUE_SIZE = 2, 7868e995a2SPradeep Satyanarayana IPOIB_CM_MAX_CONN_QP = 4096, 791da177e4SLinus Torvalds 801da177e4SLinus Torvalds IPOIB_NUM_WC = 4, 811da177e4SLinus Torvalds 821da177e4SLinus Torvalds IPOIB_MAX_PATH_REC_QUEUE = 3, 831da177e4SLinus Torvalds IPOIB_MAX_MCAST_QUEUE = 3, 841da177e4SLinus Torvalds 851da177e4SLinus Torvalds IPOIB_FLAG_OPER_UP = 0, 867a343d4cSLeonid Arsh IPOIB_FLAG_INITIALIZED = 1, 877a343d4cSLeonid Arsh IPOIB_FLAG_ADMIN_UP = 2, 887a343d4cSLeonid Arsh IPOIB_PKEY_ASSIGNED = 3, 897a343d4cSLeonid Arsh IPOIB_FLAG_SUBINTERFACE = 5, 907a343d4cSLeonid Arsh IPOIB_MCAST_RUN = 6, 917a343d4cSLeonid Arsh IPOIB_STOP_REAPER = 7, 921b524963SMichael S. Tsirkin IPOIB_FLAG_ADMIN_CM = 9, 931b524963SMichael S. Tsirkin IPOIB_FLAG_UMCAST = 10, 94b63b70d8SShlomo Pongratz IPOIB_STOP_NEIGH_GC = 11, 95b63b70d8SShlomo Pongratz IPOIB_NEIGH_TBL_FLUSH = 12, 961da177e4SLinus Torvalds 971da177e4SLinus Torvalds IPOIB_MAX_BACKOFF_SECONDS = 16, 981da177e4SLinus Torvalds 991da177e4SLinus Torvalds IPOIB_MCAST_FLAG_FOUND = 0, /* used in set_multicast_list */ 1001da177e4SLinus Torvalds IPOIB_MCAST_FLAG_SENDONLY = 1, 101*69911416SDoug Ledford /* 102*69911416SDoug Ledford * For IPOIB_MCAST_FLAG_BUSY 103*69911416SDoug Ledford * When set, in flight join and mcast->mc is unreliable 104*69911416SDoug Ledford * When clear and mcast->mc IS_ERR_OR_NULL, need to restart or 105*69911416SDoug Ledford * haven't started yet 106*69911416SDoug Ledford * When clear and mcast->mc is valid pointer, join was successful 107*69911416SDoug Ledford */ 108*69911416SDoug Ledford IPOIB_MCAST_FLAG_BUSY = 2, 1091da177e4SLinus Torvalds IPOIB_MCAST_FLAG_ATTACHED = 3, 110f56bcd80SEli Cohen 111f56bcd80SEli Cohen MAX_SEND_CQE = 16, 112f89271daSEli Cohen IPOIB_CM_COPYBREAK = 256, 1139baa0b03SOr Gerlitz 1149baa0b03SOr Gerlitz IPOIB_NON_CHILD = 0, 1159baa0b03SOr Gerlitz IPOIB_LEGACY_CHILD = 1, 1169baa0b03SOr Gerlitz IPOIB_RTNL_CHILD = 2, 1171da177e4SLinus Torvalds }; 1181da177e4SLinus Torvalds 119839fcabaSMichael S. Tsirkin #define IPOIB_OP_RECV (1ul << 31) 120839fcabaSMichael S. Tsirkin #ifdef CONFIG_INFINIBAND_IPOIB_CM 1211b524963SMichael S. Tsirkin #define IPOIB_OP_CM (1ul << 30) 122839fcabaSMichael S. Tsirkin #else 1231b524963SMichael S. Tsirkin #define IPOIB_OP_CM (0) 124839fcabaSMichael S. Tsirkin #endif 125839fcabaSMichael S. Tsirkin 1269d1ad66eSShlomo Pongratz #define IPOIB_QPN_MASK ((__force u32) cpu_to_be32(0xFFFFFF)) 1279d1ad66eSShlomo Pongratz 1281da177e4SLinus Torvalds /* structs */ 1291da177e4SLinus Torvalds 1301da177e4SLinus Torvalds struct ipoib_header { 13197f52eb4SSean Hefty __be16 proto; 1321da177e4SLinus Torvalds u16 reserved; 1331da177e4SLinus Torvalds }; 1341da177e4SLinus Torvalds 135936d7de3SRoland Dreier struct ipoib_cb { 136936d7de3SRoland Dreier struct qdisc_skb_cb qdisc_cb; 1371da177e4SLinus Torvalds u8 hwaddr[INFINIBAND_ALEN]; 1381da177e4SLinus Torvalds }; 1391da177e4SLinus Torvalds 140b49fe362SEric Dumazet static inline struct ipoib_cb *ipoib_skb_cb(const struct sk_buff *skb) 141b49fe362SEric Dumazet { 142b49fe362SEric Dumazet BUILD_BUG_ON(sizeof(skb->cb) < sizeof(struct ipoib_cb)); 143b49fe362SEric Dumazet return (struct ipoib_cb *)skb->cb; 144b49fe362SEric Dumazet } 145b49fe362SEric Dumazet 14681668838SSean Hefty /* Used for all multicast joins (broadcast, IPv4 mcast and IPv6 mcast) */ 14781668838SSean Hefty struct ipoib_mcast { 14881668838SSean Hefty struct ib_sa_mcmember_rec mcmember; 14981668838SSean Hefty struct ib_sa_multicast *mc; 15081668838SSean Hefty struct ipoib_ah *ah; 15181668838SSean Hefty 15281668838SSean Hefty struct rb_node rb_node; 15381668838SSean Hefty struct list_head list; 15481668838SSean Hefty 15581668838SSean Hefty unsigned long created; 15681668838SSean Hefty unsigned long backoff; 157*69911416SDoug Ledford unsigned long delay_until; 15881668838SSean Hefty 15981668838SSean Hefty unsigned long flags; 16081668838SSean Hefty unsigned char logcount; 16181668838SSean Hefty 16281668838SSean Hefty struct list_head neigh_list; 16381668838SSean Hefty 16481668838SSean Hefty struct sk_buff_head pkt_queue; 16581668838SSean Hefty 16681668838SSean Hefty struct net_device *dev; 167a9c8ba58SErez Shitrit struct completion done; 16881668838SSean Hefty }; 1691da177e4SLinus Torvalds 1701993d683SRoland Dreier struct ipoib_rx_buf { 1711993d683SRoland Dreier struct sk_buff *skb; 172bc7b3a36SShirley Ma u64 mapping[IPOIB_UD_RX_SG]; 1731993d683SRoland Dreier }; 1741993d683SRoland Dreier 1751993d683SRoland Dreier struct ipoib_tx_buf { 1761da177e4SLinus Torvalds struct sk_buff *skb; 1777143740dSEli Cohen u64 mapping[MAX_SKB_FRAGS + 1]; 1781da177e4SLinus Torvalds }; 1791da177e4SLinus Torvalds 180e112373fSEli Cohen struct ipoib_cm_tx_buf { 181e112373fSEli Cohen struct sk_buff *skb; 182e112373fSEli Cohen u64 mapping; 183e112373fSEli Cohen }; 184e112373fSEli Cohen 185839fcabaSMichael S. Tsirkin struct ib_cm_id; 186839fcabaSMichael S. Tsirkin 187839fcabaSMichael S. Tsirkin struct ipoib_cm_data { 188839fcabaSMichael S. Tsirkin __be32 qpn; /* High byte MUST be ignored on receive */ 189839fcabaSMichael S. Tsirkin __be32 mtu; 190839fcabaSMichael S. Tsirkin }; 191839fcabaSMichael S. Tsirkin 192518b1646SMichael S. Tsirkin /* 193518b1646SMichael S. Tsirkin * Quoting 10.3.1 Queue Pair and EE Context States: 194518b1646SMichael S. Tsirkin * 195518b1646SMichael S. Tsirkin * Note, for QPs that are associated with an SRQ, the Consumer should take the 196518b1646SMichael S. Tsirkin * QP through the Error State before invoking a Destroy QP or a Modify QP to the 197518b1646SMichael S. Tsirkin * Reset State. The Consumer may invoke the Destroy QP without first performing 198518b1646SMichael S. Tsirkin * a Modify QP to the Error State and waiting for the Affiliated Asynchronous 199518b1646SMichael S. Tsirkin * Last WQE Reached Event. However, if the Consumer does not wait for the 200518b1646SMichael S. Tsirkin * Affiliated Asynchronous Last WQE Reached Event, then WQE and Data Segment 201518b1646SMichael S. Tsirkin * leakage may occur. Therefore, it is good programming practice to tear down a 202518b1646SMichael S. Tsirkin * QP that is associated with an SRQ by using the following process: 203518b1646SMichael S. Tsirkin * 204518b1646SMichael S. Tsirkin * - Put the QP in the Error State 205518b1646SMichael S. Tsirkin * - Wait for the Affiliated Asynchronous Last WQE Reached Event; 206518b1646SMichael S. Tsirkin * - either: 207518b1646SMichael S. Tsirkin * drain the CQ by invoking the Poll CQ verb and either wait for CQ 208518b1646SMichael S. Tsirkin * to be empty or the number of Poll CQ operations has exceeded 209518b1646SMichael S. Tsirkin * CQ capacity size; 210518b1646SMichael S. Tsirkin * - or 211518b1646SMichael S. Tsirkin * post another WR that completes on the same CQ and wait for this 212518b1646SMichael S. Tsirkin * WR to return as a WC; 213518b1646SMichael S. Tsirkin * - and then invoke a Destroy QP or Reset QP. 214518b1646SMichael S. Tsirkin * 215518b1646SMichael S. Tsirkin * We use the second option and wait for a completion on the 216ec56dc0bSMichael S. Tsirkin * same CQ before destroying QPs attached to our SRQ. 217518b1646SMichael S. Tsirkin */ 218518b1646SMichael S. Tsirkin 219518b1646SMichael S. Tsirkin enum ipoib_cm_state { 220518b1646SMichael S. Tsirkin IPOIB_CM_RX_LIVE, 221518b1646SMichael S. Tsirkin IPOIB_CM_RX_ERROR, /* Ignored by stale task */ 222518b1646SMichael S. Tsirkin IPOIB_CM_RX_FLUSH /* Last WQE Reached event observed */ 223518b1646SMichael S. Tsirkin }; 224518b1646SMichael S. Tsirkin 225839fcabaSMichael S. Tsirkin struct ipoib_cm_rx { 226839fcabaSMichael S. Tsirkin struct ib_cm_id *id; 227839fcabaSMichael S. Tsirkin struct ib_qp *qp; 22868e995a2SPradeep Satyanarayana struct ipoib_cm_rx_buf *rx_ring; 229839fcabaSMichael S. Tsirkin struct list_head list; 230839fcabaSMichael S. Tsirkin struct net_device *dev; 231839fcabaSMichael S. Tsirkin unsigned long jiffies; 232518b1646SMichael S. Tsirkin enum ipoib_cm_state state; 23368e995a2SPradeep Satyanarayana int recv_count; 234839fcabaSMichael S. Tsirkin }; 235839fcabaSMichael S. Tsirkin 236839fcabaSMichael S. Tsirkin struct ipoib_cm_tx { 237839fcabaSMichael S. Tsirkin struct ib_cm_id *id; 238839fcabaSMichael S. Tsirkin struct ib_qp *qp; 239839fcabaSMichael S. Tsirkin struct list_head list; 240839fcabaSMichael S. Tsirkin struct net_device *dev; 241839fcabaSMichael S. Tsirkin struct ipoib_neigh *neigh; 242839fcabaSMichael S. Tsirkin struct ipoib_path *path; 243e112373fSEli Cohen struct ipoib_cm_tx_buf *tx_ring; 244839fcabaSMichael S. Tsirkin unsigned tx_head; 245839fcabaSMichael S. Tsirkin unsigned tx_tail; 246839fcabaSMichael S. Tsirkin unsigned long flags; 247839fcabaSMichael S. Tsirkin u32 mtu; 248839fcabaSMichael S. Tsirkin }; 249839fcabaSMichael S. Tsirkin 250839fcabaSMichael S. Tsirkin struct ipoib_cm_rx_buf { 251839fcabaSMichael S. Tsirkin struct sk_buff *skb; 252839fcabaSMichael S. Tsirkin u64 mapping[IPOIB_CM_RX_SG]; 253839fcabaSMichael S. Tsirkin }; 254839fcabaSMichael S. Tsirkin 255839fcabaSMichael S. Tsirkin struct ipoib_cm_dev_priv { 256839fcabaSMichael S. Tsirkin struct ib_srq *srq; 257839fcabaSMichael S. Tsirkin struct ipoib_cm_rx_buf *srq_ring; 258839fcabaSMichael S. Tsirkin struct ib_cm_id *id; 259518b1646SMichael S. Tsirkin struct list_head passive_ids; /* state: LIVE */ 260518b1646SMichael S. Tsirkin struct list_head rx_error_list; /* state: ERROR */ 261518b1646SMichael S. Tsirkin struct list_head rx_flush_list; /* state: FLUSH, drain not started */ 262518b1646SMichael S. Tsirkin struct list_head rx_drain_list; /* state: FLUSH, drain started */ 263518b1646SMichael S. Tsirkin struct list_head rx_reap_list; /* state: FLUSH, drain done */ 264839fcabaSMichael S. Tsirkin struct work_struct start_task; 265839fcabaSMichael S. Tsirkin struct work_struct reap_task; 266839fcabaSMichael S. Tsirkin struct work_struct skb_task; 267518b1646SMichael S. Tsirkin struct work_struct rx_reap_task; 268839fcabaSMichael S. Tsirkin struct delayed_work stale_task; 269839fcabaSMichael S. Tsirkin struct sk_buff_head skb_queue; 270839fcabaSMichael S. Tsirkin struct list_head start_list; 271839fcabaSMichael S. Tsirkin struct list_head reap_list; 272839fcabaSMichael S. Tsirkin struct ib_wc ibwc[IPOIB_NUM_WC]; 273839fcabaSMichael S. Tsirkin struct ib_sge rx_sge[IPOIB_CM_RX_SG]; 274839fcabaSMichael S. Tsirkin struct ib_recv_wr rx_wr; 27568e995a2SPradeep Satyanarayana int nonsrq_conn_qp; 276586a6934SPradeep Satyanarayana int max_cm_mtu; 277586a6934SPradeep Satyanarayana int num_frags; 278839fcabaSMichael S. Tsirkin }; 279839fcabaSMichael S. Tsirkin 28028d52b3cSEli Cohen struct ipoib_ethtool_st { 28128d52b3cSEli Cohen u16 coalesce_usecs; 28228d52b3cSEli Cohen u16 max_coalesced_frames; 28328d52b3cSEli Cohen }; 28428d52b3cSEli Cohen 28566172c09SShlomo Pongratz struct ipoib_neigh_table; 28666172c09SShlomo Pongratz 287b63b70d8SShlomo Pongratz struct ipoib_neigh_hash { 28866172c09SShlomo Pongratz struct ipoib_neigh_table *ntbl; 289b63b70d8SShlomo Pongratz struct ipoib_neigh __rcu **buckets; 290b63b70d8SShlomo Pongratz struct rcu_head rcu; 291b63b70d8SShlomo Pongratz u32 mask; 292b63b70d8SShlomo Pongratz u32 size; 293b63b70d8SShlomo Pongratz }; 294b63b70d8SShlomo Pongratz 295b63b70d8SShlomo Pongratz struct ipoib_neigh_table { 296b63b70d8SShlomo Pongratz struct ipoib_neigh_hash __rcu *htbl; 297b63b70d8SShlomo Pongratz atomic_t entries; 298b63b70d8SShlomo Pongratz struct completion flushed; 29966172c09SShlomo Pongratz struct completion deleted; 300b63b70d8SShlomo Pongratz }; 301b63b70d8SShlomo Pongratz 3021da177e4SLinus Torvalds /* 303943c246eSRoland Dreier * Device private locking: network stack tx_lock protects members used 304943c246eSRoland Dreier * in TX fast path, lock protects everything else. lock nests inside 305943c246eSRoland Dreier * of tx_lock (ie tx_lock must be acquired first if needed). 3061da177e4SLinus Torvalds */ 3071da177e4SLinus Torvalds struct ipoib_dev_priv { 3081da177e4SLinus Torvalds spinlock_t lock; 3091da177e4SLinus Torvalds 3101da177e4SLinus Torvalds struct net_device *dev; 3111da177e4SLinus Torvalds 312bea3348eSStephen Hemminger struct napi_struct napi; 313bea3348eSStephen Hemminger 3141da177e4SLinus Torvalds unsigned long flags; 3151da177e4SLinus Torvalds 316f47944ccSErez Shitrit struct rw_semaphore vlan_rwsem; 3171da177e4SLinus Torvalds 3181da177e4SLinus Torvalds struct rb_root path_tree; 3191da177e4SLinus Torvalds struct list_head path_list; 3201da177e4SLinus Torvalds 321b63b70d8SShlomo Pongratz struct ipoib_neigh_table ntbl; 322b63b70d8SShlomo Pongratz 3231da177e4SLinus Torvalds struct ipoib_mcast *broadcast; 3241da177e4SLinus Torvalds struct list_head multicast_list; 3251da177e4SLinus Torvalds struct rb_root multicast_tree; 3261da177e4SLinus Torvalds 3270b39578bSDoug Ledford struct workqueue_struct *wq; 328c4028958SDavid Howells struct delayed_work mcast_task; 329e8224e4bSYossi Etigin struct work_struct carrier_on_task; 330ee1e2c82SMoni Shoua struct work_struct flush_light; 331ee1e2c82SMoni Shoua struct work_struct flush_normal; 332ee1e2c82SMoni Shoua struct work_struct flush_heavy; 3331da177e4SLinus Torvalds struct work_struct restart_task; 334c4028958SDavid Howells struct delayed_work ah_reap_task; 335b63b70d8SShlomo Pongratz struct delayed_work neigh_reap_task; 3361da177e4SLinus Torvalds struct ib_device *ca; 3371da177e4SLinus Torvalds u8 port; 3381da177e4SLinus Torvalds u16 pkey; 33926bbf13cSYosef Etigin u16 pkey_index; 3401da177e4SLinus Torvalds struct ib_pd *pd; 3411da177e4SLinus Torvalds struct ib_mr *mr; 342f56bcd80SEli Cohen struct ib_cq *recv_cq; 343f56bcd80SEli Cohen struct ib_cq *send_cq; 3441da177e4SLinus Torvalds struct ib_qp *qp; 3451da177e4SLinus Torvalds u32 qkey; 3461da177e4SLinus Torvalds 3471da177e4SLinus Torvalds union ib_gid local_gid; 3481da177e4SLinus Torvalds u16 local_lid; 3491da177e4SLinus Torvalds 3501da177e4SLinus Torvalds unsigned int admin_mtu; 3511da177e4SLinus Torvalds unsigned int mcast_mtu; 352bc7b3a36SShirley Ma unsigned int max_ib_mtu; 3531da177e4SLinus Torvalds 3541993d683SRoland Dreier struct ipoib_rx_buf *rx_ring; 3551da177e4SLinus Torvalds 3561993d683SRoland Dreier struct ipoib_tx_buf *tx_ring; 3571da177e4SLinus Torvalds unsigned tx_head; 3581da177e4SLinus Torvalds unsigned tx_tail; 3597143740dSEli Cohen struct ib_sge tx_sge[MAX_SKB_FRAGS + 1]; 3601da177e4SLinus Torvalds struct ib_send_wr tx_wr; 3611b524963SMichael S. Tsirkin unsigned tx_outstanding; 362f56bcd80SEli Cohen struct ib_wc send_wc[MAX_SEND_CQE]; 3631da177e4SLinus Torvalds 364bc7b3a36SShirley Ma struct ib_recv_wr rx_wr; 365bc7b3a36SShirley Ma struct ib_sge rx_sge[IPOIB_UD_RX_SG]; 366bc7b3a36SShirley Ma 3671da177e4SLinus Torvalds struct ib_wc ibwc[IPOIB_NUM_WC]; 3681da177e4SLinus Torvalds 3691da177e4SLinus Torvalds struct list_head dead_ahs; 3701da177e4SLinus Torvalds 3711da177e4SLinus Torvalds struct ib_event_handler event_handler; 3721da177e4SLinus Torvalds 3731da177e4SLinus Torvalds struct net_device *parent; 3741da177e4SLinus Torvalds struct list_head child_intfs; 3751da177e4SLinus Torvalds struct list_head list; 3769baa0b03SOr Gerlitz int child_type; 3771da177e4SLinus Torvalds 378839fcabaSMichael S. Tsirkin #ifdef CONFIG_INFINIBAND_IPOIB_CM 379839fcabaSMichael S. Tsirkin struct ipoib_cm_dev_priv cm; 380839fcabaSMichael S. Tsirkin #endif 381839fcabaSMichael S. Tsirkin 3821da177e4SLinus Torvalds #ifdef CONFIG_INFINIBAND_IPOIB_DEBUG 3831da177e4SLinus Torvalds struct list_head fs_list; 3841da177e4SLinus Torvalds struct dentry *mcg_dentry; 3851732b0efSRoland Dreier struct dentry *path_dentry; 3861da177e4SLinus Torvalds #endif 38740ca1988SEli Cohen int hca_caps; 38828d52b3cSEli Cohen struct ipoib_ethtool_st ethtool; 38957ce41d1SEli Cohen struct timer_list poll_timer; 3901da177e4SLinus Torvalds }; 3911da177e4SLinus Torvalds 3921da177e4SLinus Torvalds struct ipoib_ah { 3931da177e4SLinus Torvalds struct net_device *dev; 3941da177e4SLinus Torvalds struct ib_ah *ah; 3951da177e4SLinus Torvalds struct list_head list; 3961da177e4SLinus Torvalds struct kref ref; 3971da177e4SLinus Torvalds unsigned last_send; 3981da177e4SLinus Torvalds }; 3991da177e4SLinus Torvalds 4001da177e4SLinus Torvalds struct ipoib_path { 4011da177e4SLinus Torvalds struct net_device *dev; 4021da177e4SLinus Torvalds struct ib_sa_path_rec pathrec; 4031da177e4SLinus Torvalds struct ipoib_ah *ah; 4041da177e4SLinus Torvalds struct sk_buff_head queue; 4051da177e4SLinus Torvalds 4061da177e4SLinus Torvalds struct list_head neigh_list; 4071da177e4SLinus Torvalds 4081da177e4SLinus Torvalds int query_id; 4091da177e4SLinus Torvalds struct ib_sa_query *query; 4101da177e4SLinus Torvalds struct completion done; 4111da177e4SLinus Torvalds 4121da177e4SLinus Torvalds struct rb_node rb_node; 4131da177e4SLinus Torvalds struct list_head list; 414ee1e2c82SMoni Shoua int valid; 4151da177e4SLinus Torvalds }; 4161da177e4SLinus Torvalds 4171da177e4SLinus Torvalds struct ipoib_neigh { 4181da177e4SLinus Torvalds struct ipoib_ah *ah; 419839fcabaSMichael S. Tsirkin #ifdef CONFIG_INFINIBAND_IPOIB_CM 420839fcabaSMichael S. Tsirkin struct ipoib_cm_tx *cm; 421839fcabaSMichael S. Tsirkin #endif 422b63b70d8SShlomo Pongratz u8 daddr[INFINIBAND_ALEN]; 4231da177e4SLinus Torvalds struct sk_buff_head queue; 4241da177e4SLinus Torvalds 425732a2170SMoni Shoua struct net_device *dev; 4261da177e4SLinus Torvalds 4271da177e4SLinus Torvalds struct list_head list; 428b63b70d8SShlomo Pongratz struct ipoib_neigh __rcu *hnext; 429b63b70d8SShlomo Pongratz struct rcu_head rcu; 430b63b70d8SShlomo Pongratz atomic_t refcnt; 431b63b70d8SShlomo Pongratz unsigned long alive; 4321da177e4SLinus Torvalds }; 4331da177e4SLinus Torvalds 434bc7b3a36SShirley Ma #define IPOIB_UD_MTU(ib_mtu) (ib_mtu - IPOIB_ENCAP_LEN) 435bc7b3a36SShirley Ma #define IPOIB_UD_BUF_SIZE(ib_mtu) (ib_mtu + IB_GRH_BYTES) 436bc7b3a36SShirley Ma 437bc7b3a36SShirley Ma static inline int ipoib_ud_need_sg(unsigned int ib_mtu) 438bc7b3a36SShirley Ma { 439bc7b3a36SShirley Ma return IPOIB_UD_BUF_SIZE(ib_mtu) > PAGE_SIZE; 440bc7b3a36SShirley Ma } 441bc7b3a36SShirley Ma 442b63b70d8SShlomo Pongratz void ipoib_neigh_dtor(struct ipoib_neigh *neigh); 443b63b70d8SShlomo Pongratz static inline void ipoib_neigh_put(struct ipoib_neigh *neigh) 4441da177e4SLinus Torvalds { 445b63b70d8SShlomo Pongratz if (atomic_dec_and_test(&neigh->refcnt)) 446b63b70d8SShlomo Pongratz ipoib_neigh_dtor(neigh); 4471da177e4SLinus Torvalds } 448b63b70d8SShlomo Pongratz struct ipoib_neigh *ipoib_neigh_get(struct net_device *dev, u8 *daddr); 449b63b70d8SShlomo Pongratz struct ipoib_neigh *ipoib_neigh_alloc(u8 *daddr, 450732a2170SMoni Shoua struct net_device *dev); 451b63b70d8SShlomo Pongratz void ipoib_neigh_free(struct ipoib_neigh *neigh); 452b63b70d8SShlomo Pongratz void ipoib_del_neighs_by_gid(struct net_device *dev, u8 *gid); 453d2e0655eSMichael S. Tsirkin 4541da177e4SLinus Torvalds extern struct workqueue_struct *ipoib_workqueue; 4551da177e4SLinus Torvalds 4561da177e4SLinus Torvalds /* functions */ 4571da177e4SLinus Torvalds 458bea3348eSStephen Hemminger int ipoib_poll(struct napi_struct *napi, int budget); 4591da177e4SLinus Torvalds void ipoib_ib_completion(struct ib_cq *cq, void *dev_ptr); 46057ce41d1SEli Cohen void ipoib_send_comp_handler(struct ib_cq *cq, void *dev_ptr); 4611da177e4SLinus Torvalds 4621da177e4SLinus Torvalds struct ipoib_ah *ipoib_create_ah(struct net_device *dev, 4631da177e4SLinus Torvalds struct ib_pd *pd, struct ib_ah_attr *attr); 4641da177e4SLinus Torvalds void ipoib_free_ah(struct kref *kref); 4651da177e4SLinus Torvalds static inline void ipoib_put_ah(struct ipoib_ah *ah) 4661da177e4SLinus Torvalds { 4671da177e4SLinus Torvalds kref_put(&ah->ref, ipoib_free_ah); 4681da177e4SLinus Torvalds } 4698ae5a8a2SRoland Dreier int ipoib_open(struct net_device *dev); 4701da177e4SLinus Torvalds int ipoib_add_pkey_attr(struct net_device *dev); 471335a64a5SOr Gerlitz int ipoib_add_umcast_attr(struct net_device *dev); 4721da177e4SLinus Torvalds 4731da177e4SLinus Torvalds void ipoib_send(struct net_device *dev, struct sk_buff *skb, 4741da177e4SLinus Torvalds struct ipoib_ah *address, u32 qpn); 475c4028958SDavid Howells void ipoib_reap_ah(struct work_struct *work); 4761da177e4SLinus Torvalds 477ee1e2c82SMoni Shoua void ipoib_mark_paths_invalid(struct net_device *dev); 4781da177e4SLinus Torvalds void ipoib_flush_paths(struct net_device *dev); 4791da177e4SLinus Torvalds struct ipoib_dev_priv *ipoib_intf_alloc(const char *format); 4801da177e4SLinus Torvalds 4811da177e4SLinus Torvalds int ipoib_ib_dev_init(struct net_device *dev, struct ib_device *ca, int port); 482ee1e2c82SMoni Shoua void ipoib_ib_dev_flush_light(struct work_struct *work); 483ee1e2c82SMoni Shoua void ipoib_ib_dev_flush_normal(struct work_struct *work); 484ee1e2c82SMoni Shoua void ipoib_ib_dev_flush_heavy(struct work_struct *work); 48526bbf13cSYosef Etigin void ipoib_pkey_event(struct work_struct *work); 4861da177e4SLinus Torvalds void ipoib_ib_dev_cleanup(struct net_device *dev); 4871da177e4SLinus Torvalds 488efc82eeeSDoug Ledford int ipoib_ib_dev_open(struct net_device *dev); 4891da177e4SLinus Torvalds int ipoib_ib_dev_up(struct net_device *dev); 490efc82eeeSDoug Ledford int ipoib_ib_dev_down(struct net_device *dev); 491efc82eeeSDoug Ledford int ipoib_ib_dev_stop(struct net_device *dev); 492db84f880SErez Shitrit void ipoib_pkey_dev_check_presence(struct net_device *dev); 4931da177e4SLinus Torvalds 4941da177e4SLinus Torvalds int ipoib_dev_init(struct net_device *dev, struct ib_device *ca, int port); 4951da177e4SLinus Torvalds void ipoib_dev_cleanup(struct net_device *dev); 4961da177e4SLinus Torvalds 497c4028958SDavid Howells void ipoib_mcast_join_task(struct work_struct *work); 498e8224e4bSYossi Etigin void ipoib_mcast_carrier_on_task(struct work_struct *work); 499b63b70d8SShlomo Pongratz void ipoib_mcast_send(struct net_device *dev, u8 *daddr, struct sk_buff *skb); 5001da177e4SLinus Torvalds 501c4028958SDavid Howells void ipoib_mcast_restart_task(struct work_struct *work); 5021da177e4SLinus Torvalds int ipoib_mcast_start_thread(struct net_device *dev); 503efc82eeeSDoug Ledford int ipoib_mcast_stop_thread(struct net_device *dev); 5041da177e4SLinus Torvalds 5051da177e4SLinus Torvalds void ipoib_mcast_dev_down(struct net_device *dev); 5061da177e4SLinus Torvalds void ipoib_mcast_dev_flush(struct net_device *dev); 5071da177e4SLinus Torvalds 5088ae5a8a2SRoland Dreier #ifdef CONFIG_INFINIBAND_IPOIB_DEBUG 5091da177e4SLinus Torvalds struct ipoib_mcast_iter *ipoib_mcast_iter_init(struct net_device *dev); 5101da177e4SLinus Torvalds int ipoib_mcast_iter_next(struct ipoib_mcast_iter *iter); 5111da177e4SLinus Torvalds void ipoib_mcast_iter_read(struct ipoib_mcast_iter *iter, 5121da177e4SLinus Torvalds union ib_gid *gid, 5131da177e4SLinus Torvalds unsigned long *created, 5141da177e4SLinus Torvalds unsigned int *queuelen, 5151da177e4SLinus Torvalds unsigned int *complete, 5161da177e4SLinus Torvalds unsigned int *send_only); 5171732b0efSRoland Dreier 5181732b0efSRoland Dreier struct ipoib_path_iter *ipoib_path_iter_init(struct net_device *dev); 5191732b0efSRoland Dreier int ipoib_path_iter_next(struct ipoib_path_iter *iter); 5201732b0efSRoland Dreier void ipoib_path_iter_read(struct ipoib_path_iter *iter, 5211732b0efSRoland Dreier struct ipoib_path *path); 5228ae5a8a2SRoland Dreier #endif 5231da177e4SLinus Torvalds 5241da177e4SLinus Torvalds int ipoib_mcast_attach(struct net_device *dev, u16 mlid, 525d0de1362SEli Cohen union ib_gid *mgid, int set_qkey); 5261da177e4SLinus Torvalds 5275b6810e0SRoland Dreier int ipoib_init_qp(struct net_device *dev); 5281da177e4SLinus Torvalds int ipoib_transport_dev_init(struct net_device *dev, struct ib_device *ca); 5291da177e4SLinus Torvalds void ipoib_transport_dev_cleanup(struct net_device *dev); 5301da177e4SLinus Torvalds 5311da177e4SLinus Torvalds void ipoib_event(struct ib_event_handler *handler, 5321da177e4SLinus Torvalds struct ib_event *record); 5331da177e4SLinus Torvalds 5341da177e4SLinus Torvalds int ipoib_vlan_add(struct net_device *pdev, unsigned short pkey); 5351da177e4SLinus Torvalds int ipoib_vlan_delete(struct net_device *pdev, unsigned short pkey); 5361da177e4SLinus Torvalds 5379baa0b03SOr Gerlitz int __ipoib_vlan_add(struct ipoib_dev_priv *ppriv, struct ipoib_dev_priv *priv, 5389baa0b03SOr Gerlitz u16 pkey, int child_type); 5399baa0b03SOr Gerlitz 5409baa0b03SOr Gerlitz int __init ipoib_netlink_init(void); 5419baa0b03SOr Gerlitz void __exit ipoib_netlink_fini(void); 5429baa0b03SOr Gerlitz 543862096a8SOr Gerlitz void ipoib_set_umcast(struct net_device *ndev, int umcast_val); 544862096a8SOr Gerlitz int ipoib_set_mode(struct net_device *dev, const char *buf); 545862096a8SOr Gerlitz 5469baa0b03SOr Gerlitz void ipoib_setup(struct net_device *dev); 5479baa0b03SOr Gerlitz 548db84f880SErez Shitrit void ipoib_pkey_open(struct ipoib_dev_priv *priv); 5492dfbfc37SMichael S. Tsirkin void ipoib_drain_cq(struct net_device *dev); 5501da177e4SLinus Torvalds 55182c24c18SEli Cohen void ipoib_set_ethtool_ops(struct net_device *dev); 55283bb63f6SOr Gerlitz int ipoib_set_dev_features(struct ipoib_dev_priv *priv, struct ib_device *hca); 55382c24c18SEli Cohen 554839fcabaSMichael S. Tsirkin #define IPOIB_FLAGS_RC 0x80 555839fcabaSMichael S. Tsirkin #define IPOIB_FLAGS_UC 0x40 556839fcabaSMichael S. Tsirkin 557839fcabaSMichael S. Tsirkin /* We don't support UC connections at the moment */ 558839fcabaSMichael S. Tsirkin #define IPOIB_CM_SUPPORTED(ha) (ha[0] & (IPOIB_FLAGS_RC)) 559839fcabaSMichael S. Tsirkin 56071d9c5f9SRoland Dreier #ifdef CONFIG_INFINIBAND_IPOIB_CM 56171d9c5f9SRoland Dreier 56268e995a2SPradeep Satyanarayana extern int ipoib_max_conn_qp; 56368e995a2SPradeep Satyanarayana 564839fcabaSMichael S. Tsirkin static inline int ipoib_cm_admin_enabled(struct net_device *dev) 565839fcabaSMichael S. Tsirkin { 566839fcabaSMichael S. Tsirkin struct ipoib_dev_priv *priv = netdev_priv(dev); 567839fcabaSMichael S. Tsirkin return IPOIB_CM_SUPPORTED(dev->dev_addr) && 568839fcabaSMichael S. Tsirkin test_bit(IPOIB_FLAG_ADMIN_CM, &priv->flags); 569839fcabaSMichael S. Tsirkin } 570839fcabaSMichael S. Tsirkin 571b63b70d8SShlomo Pongratz static inline int ipoib_cm_enabled(struct net_device *dev, u8 *hwaddr) 572839fcabaSMichael S. Tsirkin { 573839fcabaSMichael S. Tsirkin struct ipoib_dev_priv *priv = netdev_priv(dev); 574b63b70d8SShlomo Pongratz return IPOIB_CM_SUPPORTED(hwaddr) && 575839fcabaSMichael S. Tsirkin test_bit(IPOIB_FLAG_ADMIN_CM, &priv->flags); 576839fcabaSMichael S. Tsirkin } 577839fcabaSMichael S. Tsirkin 578839fcabaSMichael S. Tsirkin static inline int ipoib_cm_up(struct ipoib_neigh *neigh) 579839fcabaSMichael S. Tsirkin 580839fcabaSMichael S. Tsirkin { 581839fcabaSMichael S. Tsirkin return test_bit(IPOIB_FLAG_OPER_UP, &neigh->cm->flags); 582839fcabaSMichael S. Tsirkin } 583839fcabaSMichael S. Tsirkin 584839fcabaSMichael S. Tsirkin static inline struct ipoib_cm_tx *ipoib_cm_get(struct ipoib_neigh *neigh) 585839fcabaSMichael S. Tsirkin { 586839fcabaSMichael S. Tsirkin return neigh->cm; 587839fcabaSMichael S. Tsirkin } 588839fcabaSMichael S. Tsirkin 589839fcabaSMichael S. Tsirkin static inline void ipoib_cm_set(struct ipoib_neigh *neigh, struct ipoib_cm_tx *tx) 590839fcabaSMichael S. Tsirkin { 591839fcabaSMichael S. Tsirkin neigh->cm = tx; 592839fcabaSMichael S. Tsirkin } 593839fcabaSMichael S. Tsirkin 59468e995a2SPradeep Satyanarayana static inline int ipoib_cm_has_srq(struct net_device *dev) 59568e995a2SPradeep Satyanarayana { 59668e995a2SPradeep Satyanarayana struct ipoib_dev_priv *priv = netdev_priv(dev); 59768e995a2SPradeep Satyanarayana return !!priv->cm.srq; 59868e995a2SPradeep Satyanarayana } 59968e995a2SPradeep Satyanarayana 600586a6934SPradeep Satyanarayana static inline unsigned int ipoib_cm_max_mtu(struct net_device *dev) 601586a6934SPradeep Satyanarayana { 602586a6934SPradeep Satyanarayana struct ipoib_dev_priv *priv = netdev_priv(dev); 603586a6934SPradeep Satyanarayana return priv->cm.max_cm_mtu; 604586a6934SPradeep Satyanarayana } 605586a6934SPradeep Satyanarayana 606839fcabaSMichael S. Tsirkin void ipoib_cm_send(struct net_device *dev, struct sk_buff *skb, struct ipoib_cm_tx *tx); 607839fcabaSMichael S. Tsirkin int ipoib_cm_dev_open(struct net_device *dev); 608839fcabaSMichael S. Tsirkin void ipoib_cm_dev_stop(struct net_device *dev); 609839fcabaSMichael S. Tsirkin int ipoib_cm_dev_init(struct net_device *dev); 610839fcabaSMichael S. Tsirkin int ipoib_cm_add_mode_attr(struct net_device *dev); 611839fcabaSMichael S. Tsirkin void ipoib_cm_dev_cleanup(struct net_device *dev); 612839fcabaSMichael S. Tsirkin struct ipoib_cm_tx *ipoib_cm_create_tx(struct net_device *dev, struct ipoib_path *path, 613839fcabaSMichael S. Tsirkin struct ipoib_neigh *neigh); 614839fcabaSMichael S. Tsirkin void ipoib_cm_destroy_tx(struct ipoib_cm_tx *tx); 615839fcabaSMichael S. Tsirkin void ipoib_cm_skb_too_long(struct net_device *dev, struct sk_buff *skb, 616839fcabaSMichael S. Tsirkin unsigned int mtu); 617839fcabaSMichael S. Tsirkin void ipoib_cm_handle_rx_wc(struct net_device *dev, struct ib_wc *wc); 6181b524963SMichael S. Tsirkin void ipoib_cm_handle_tx_wc(struct net_device *dev, struct ib_wc *wc); 619839fcabaSMichael S. Tsirkin #else 620839fcabaSMichael S. Tsirkin 621839fcabaSMichael S. Tsirkin struct ipoib_cm_tx; 622839fcabaSMichael S. Tsirkin 62368e995a2SPradeep Satyanarayana #define ipoib_max_conn_qp 0 62468e995a2SPradeep Satyanarayana 625839fcabaSMichael S. Tsirkin static inline int ipoib_cm_admin_enabled(struct net_device *dev) 626839fcabaSMichael S. Tsirkin { 627839fcabaSMichael S. Tsirkin return 0; 628839fcabaSMichael S. Tsirkin } 629b63b70d8SShlomo Pongratz static inline int ipoib_cm_enabled(struct net_device *dev, u8 *hwaddr) 630839fcabaSMichael S. Tsirkin 631839fcabaSMichael S. Tsirkin { 632839fcabaSMichael S. Tsirkin return 0; 633839fcabaSMichael S. Tsirkin } 634839fcabaSMichael S. Tsirkin 635839fcabaSMichael S. Tsirkin static inline int ipoib_cm_up(struct ipoib_neigh *neigh) 636839fcabaSMichael S. Tsirkin 637839fcabaSMichael S. Tsirkin { 638839fcabaSMichael S. Tsirkin return 0; 639839fcabaSMichael S. Tsirkin } 640839fcabaSMichael S. Tsirkin 641839fcabaSMichael S. Tsirkin static inline struct ipoib_cm_tx *ipoib_cm_get(struct ipoib_neigh *neigh) 642839fcabaSMichael S. Tsirkin { 643839fcabaSMichael S. Tsirkin return NULL; 644839fcabaSMichael S. Tsirkin } 645839fcabaSMichael S. Tsirkin 646839fcabaSMichael S. Tsirkin static inline void ipoib_cm_set(struct ipoib_neigh *neigh, struct ipoib_cm_tx *tx) 647839fcabaSMichael S. Tsirkin { 648839fcabaSMichael S. Tsirkin } 649839fcabaSMichael S. Tsirkin 65068e995a2SPradeep Satyanarayana static inline int ipoib_cm_has_srq(struct net_device *dev) 65168e995a2SPradeep Satyanarayana { 65268e995a2SPradeep Satyanarayana return 0; 65368e995a2SPradeep Satyanarayana } 65468e995a2SPradeep Satyanarayana 655586a6934SPradeep Satyanarayana static inline unsigned int ipoib_cm_max_mtu(struct net_device *dev) 656586a6934SPradeep Satyanarayana { 657586a6934SPradeep Satyanarayana return 0; 658586a6934SPradeep Satyanarayana } 659586a6934SPradeep Satyanarayana 660839fcabaSMichael S. Tsirkin static inline 661839fcabaSMichael S. Tsirkin void ipoib_cm_send(struct net_device *dev, struct sk_buff *skb, struct ipoib_cm_tx *tx) 662839fcabaSMichael S. Tsirkin { 663839fcabaSMichael S. Tsirkin return; 664839fcabaSMichael S. Tsirkin } 665839fcabaSMichael S. Tsirkin 666839fcabaSMichael S. Tsirkin static inline 667839fcabaSMichael S. Tsirkin int ipoib_cm_dev_open(struct net_device *dev) 668839fcabaSMichael S. Tsirkin { 669839fcabaSMichael S. Tsirkin return 0; 670839fcabaSMichael S. Tsirkin } 671839fcabaSMichael S. Tsirkin 672839fcabaSMichael S. Tsirkin static inline 673839fcabaSMichael S. Tsirkin void ipoib_cm_dev_stop(struct net_device *dev) 674839fcabaSMichael S. Tsirkin { 675839fcabaSMichael S. Tsirkin return; 676839fcabaSMichael S. Tsirkin } 677839fcabaSMichael S. Tsirkin 678839fcabaSMichael S. Tsirkin static inline 679839fcabaSMichael S. Tsirkin int ipoib_cm_dev_init(struct net_device *dev) 680839fcabaSMichael S. Tsirkin { 681839fcabaSMichael S. Tsirkin return -ENOSYS; 682839fcabaSMichael S. Tsirkin } 683839fcabaSMichael S. Tsirkin 684839fcabaSMichael S. Tsirkin static inline 685839fcabaSMichael S. Tsirkin void ipoib_cm_dev_cleanup(struct net_device *dev) 686839fcabaSMichael S. Tsirkin { 687839fcabaSMichael S. Tsirkin return; 688839fcabaSMichael S. Tsirkin } 689839fcabaSMichael S. Tsirkin 690839fcabaSMichael S. Tsirkin static inline 691839fcabaSMichael S. Tsirkin struct ipoib_cm_tx *ipoib_cm_create_tx(struct net_device *dev, struct ipoib_path *path, 692839fcabaSMichael S. Tsirkin struct ipoib_neigh *neigh) 693839fcabaSMichael S. Tsirkin { 694839fcabaSMichael S. Tsirkin return NULL; 695839fcabaSMichael S. Tsirkin } 696839fcabaSMichael S. Tsirkin 697839fcabaSMichael S. Tsirkin static inline 698839fcabaSMichael S. Tsirkin void ipoib_cm_destroy_tx(struct ipoib_cm_tx *tx) 699839fcabaSMichael S. Tsirkin { 700839fcabaSMichael S. Tsirkin return; 701839fcabaSMichael S. Tsirkin } 702839fcabaSMichael S. Tsirkin 703839fcabaSMichael S. Tsirkin static inline 704839fcabaSMichael S. Tsirkin int ipoib_cm_add_mode_attr(struct net_device *dev) 705839fcabaSMichael S. Tsirkin { 706839fcabaSMichael S. Tsirkin return 0; 707839fcabaSMichael S. Tsirkin } 708839fcabaSMichael S. Tsirkin 709839fcabaSMichael S. Tsirkin static inline void ipoib_cm_skb_too_long(struct net_device *dev, struct sk_buff *skb, 710839fcabaSMichael S. Tsirkin unsigned int mtu) 711839fcabaSMichael S. Tsirkin { 712839fcabaSMichael S. Tsirkin dev_kfree_skb_any(skb); 713839fcabaSMichael S. Tsirkin } 714839fcabaSMichael S. Tsirkin 715839fcabaSMichael S. Tsirkin static inline void ipoib_cm_handle_rx_wc(struct net_device *dev, struct ib_wc *wc) 716839fcabaSMichael S. Tsirkin { 717839fcabaSMichael S. Tsirkin } 718839fcabaSMichael S. Tsirkin 7191b524963SMichael S. Tsirkin static inline void ipoib_cm_handle_tx_wc(struct net_device *dev, struct ib_wc *wc) 7201b524963SMichael S. Tsirkin { 7211b524963SMichael S. Tsirkin } 722839fcabaSMichael S. Tsirkin #endif 723839fcabaSMichael S. Tsirkin 7241da177e4SLinus Torvalds #ifdef CONFIG_INFINIBAND_IPOIB_DEBUG 7251732b0efSRoland Dreier void ipoib_create_debug_files(struct net_device *dev); 7261732b0efSRoland Dreier void ipoib_delete_debug_files(struct net_device *dev); 7271da177e4SLinus Torvalds int ipoib_register_debugfs(void); 7281da177e4SLinus Torvalds void ipoib_unregister_debugfs(void); 7291da177e4SLinus Torvalds #else 7301732b0efSRoland Dreier static inline void ipoib_create_debug_files(struct net_device *dev) { } 7311732b0efSRoland Dreier static inline void ipoib_delete_debug_files(struct net_device *dev) { } 7321da177e4SLinus Torvalds static inline int ipoib_register_debugfs(void) { return 0; } 7331da177e4SLinus Torvalds static inline void ipoib_unregister_debugfs(void) { } 7341da177e4SLinus Torvalds #endif 7351da177e4SLinus Torvalds 7361da177e4SLinus Torvalds #define ipoib_printk(level, priv, format, arg...) \ 7371da177e4SLinus Torvalds printk(level "%s: " format, ((struct ipoib_dev_priv *) priv)->dev->name , ## arg) 7381da177e4SLinus Torvalds #define ipoib_warn(priv, format, arg...) \ 7391da177e4SLinus Torvalds ipoib_printk(KERN_WARNING, priv, format , ## arg) 7401da177e4SLinus Torvalds 7410f485251SShirley Ma extern int ipoib_sendq_size; 7420f485251SShirley Ma extern int ipoib_recvq_size; 7431da177e4SLinus Torvalds 744c1a0b23bSMichael S. Tsirkin extern struct ib_sa_client ipoib_sa_client; 745c1a0b23bSMichael S. Tsirkin 7461da177e4SLinus Torvalds #ifdef CONFIG_INFINIBAND_IPOIB_DEBUG 7471da177e4SLinus Torvalds extern int ipoib_debug_level; 7481da177e4SLinus Torvalds 7491da177e4SLinus Torvalds #define ipoib_dbg(priv, format, arg...) \ 7501da177e4SLinus Torvalds do { \ 7511da177e4SLinus Torvalds if (ipoib_debug_level > 0) \ 7521da177e4SLinus Torvalds ipoib_printk(KERN_DEBUG, priv, format , ## arg); \ 7531da177e4SLinus Torvalds } while (0) 7541da177e4SLinus Torvalds #define ipoib_dbg_mcast(priv, format, arg...) \ 7551da177e4SLinus Torvalds do { \ 7561da177e4SLinus Torvalds if (mcast_debug_level > 0) \ 7571da177e4SLinus Torvalds ipoib_printk(KERN_DEBUG, priv, format , ## arg); \ 7581da177e4SLinus Torvalds } while (0) 7591da177e4SLinus Torvalds #else /* CONFIG_INFINIBAND_IPOIB_DEBUG */ 7601da177e4SLinus Torvalds #define ipoib_dbg(priv, format, arg...) \ 7611da177e4SLinus Torvalds do { (void) (priv); } while (0) 7621da177e4SLinus Torvalds #define ipoib_dbg_mcast(priv, format, arg...) \ 7631da177e4SLinus Torvalds do { (void) (priv); } while (0) 7641da177e4SLinus Torvalds #endif /* CONFIG_INFINIBAND_IPOIB_DEBUG */ 7651da177e4SLinus Torvalds 7661da177e4SLinus Torvalds #ifdef CONFIG_INFINIBAND_IPOIB_DEBUG_DATA 7671da177e4SLinus Torvalds #define ipoib_dbg_data(priv, format, arg...) \ 7681da177e4SLinus Torvalds do { \ 7691da177e4SLinus Torvalds if (data_debug_level > 0) \ 7701da177e4SLinus Torvalds ipoib_printk(KERN_DEBUG, priv, format , ## arg); \ 7711da177e4SLinus Torvalds } while (0) 7721da177e4SLinus Torvalds #else /* CONFIG_INFINIBAND_IPOIB_DEBUG_DATA */ 7731da177e4SLinus Torvalds #define ipoib_dbg_data(priv, format, arg...) \ 7741da177e4SLinus Torvalds do { (void) (priv); } while (0) 7751da177e4SLinus Torvalds #endif /* CONFIG_INFINIBAND_IPOIB_DEBUG_DATA */ 7761da177e4SLinus Torvalds 777839fcabaSMichael S. Tsirkin #define IPOIB_QPN(ha) (be32_to_cpup((__be32 *) ha) & 0xffffff) 778839fcabaSMichael S. Tsirkin 7794b48680bSYan Burman extern const char ipoib_driver_version[]; 7804b48680bSYan Burman 7811da177e4SLinus Torvalds #endif /* _IPOIB_H */ 782