1aa0a1e58SJeff Roberson /* 2aa0a1e58SJeff Roberson * Copyright (c) 2004, 2005 Topspin Communications. All rights reserved. 3aa0a1e58SJeff Roberson * Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved. 4aa0a1e58SJeff Roberson * Copyright (c) 2004 Voltaire, Inc. All rights reserved. 5aa0a1e58SJeff Roberson * 6aa0a1e58SJeff Roberson * This software is available to you under a choice of one of two 7aa0a1e58SJeff Roberson * licenses. You may choose to be licensed under the terms of the GNU 8aa0a1e58SJeff Roberson * General Public License (GPL) Version 2, available from the file 9aa0a1e58SJeff Roberson * COPYING in the main directory of this source tree, or the 10aa0a1e58SJeff Roberson * OpenIB.org BSD license below: 11aa0a1e58SJeff Roberson * 12aa0a1e58SJeff Roberson * Redistribution and use in source and binary forms, with or 13aa0a1e58SJeff Roberson * without modification, are permitted provided that the following 14aa0a1e58SJeff Roberson * conditions are met: 15aa0a1e58SJeff Roberson * 16aa0a1e58SJeff Roberson * - Redistributions of source code must retain the above 17aa0a1e58SJeff Roberson * copyright notice, this list of conditions and the following 18aa0a1e58SJeff Roberson * disclaimer. 19aa0a1e58SJeff Roberson * 20aa0a1e58SJeff Roberson * - Redistributions in binary form must reproduce the above 21aa0a1e58SJeff Roberson * copyright notice, this list of conditions and the following 22aa0a1e58SJeff Roberson * disclaimer in the documentation and/or other materials 23aa0a1e58SJeff Roberson * provided with the distribution. 24aa0a1e58SJeff Roberson * 25aa0a1e58SJeff Roberson * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 26aa0a1e58SJeff Roberson * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 27aa0a1e58SJeff Roberson * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 28aa0a1e58SJeff Roberson * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 29aa0a1e58SJeff Roberson * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 30aa0a1e58SJeff Roberson * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 31aa0a1e58SJeff Roberson * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 32aa0a1e58SJeff Roberson * SOFTWARE. 33aa0a1e58SJeff Roberson */ 34aa0a1e58SJeff Roberson 35aa0a1e58SJeff Roberson #ifndef _IPOIB_H 36aa0a1e58SJeff Roberson #define _IPOIB_H 37aa0a1e58SJeff Roberson 38aa0a1e58SJeff Roberson #include "opt_inet.h" 39aa0a1e58SJeff Roberson #include "opt_inet6.h" 40aa0a1e58SJeff Roberson #include "opt_ofed.h" 41aa0a1e58SJeff Roberson 42aa0a1e58SJeff Roberson #include <sys/param.h> 43aa0a1e58SJeff Roberson #include <sys/systm.h> 44aa0a1e58SJeff Roberson #include <sys/kernel.h> 45aa0a1e58SJeff Roberson #include <sys/lock.h> 46aa0a1e58SJeff Roberson #include <sys/malloc.h> 47aa0a1e58SJeff Roberson #include <sys/mbuf.h> 48aa0a1e58SJeff Roberson #include <sys/random.h> 49aa0a1e58SJeff Roberson #include <sys/rwlock.h> 50aa0a1e58SJeff Roberson #include <sys/socket.h> 51aa0a1e58SJeff Roberson #include <sys/sockio.h> 52aa0a1e58SJeff Roberson #include <sys/sysctl.h> 53aa0a1e58SJeff Roberson 54aa0a1e58SJeff Roberson #include <net/if.h> 5576039bc8SGleb Smirnoff #include <net/if_var.h> 56aa0a1e58SJeff Roberson #include <net/if_arp.h> 57aa0a1e58SJeff Roberson #include <net/netisr.h> 58aa0a1e58SJeff Roberson #include <net/route.h> 59aa0a1e58SJeff Roberson #include <net/if_llc.h> 60aa0a1e58SJeff Roberson #include <net/if_dl.h> 61aa0a1e58SJeff Roberson #include <net/if_types.h> 62aa0a1e58SJeff Roberson #include <net/bpf.h> 63aa0a1e58SJeff Roberson #include <net/if_llatbl.h> 64aa0a1e58SJeff Roberson #include <net/vnet.h> 65aa0a1e58SJeff Roberson 66aa0a1e58SJeff Roberson #if defined(INET) || defined(INET6) 67aa0a1e58SJeff Roberson #include <netinet/in.h> 68aa0a1e58SJeff Roberson #include <netinet/in_var.h> 69aa0a1e58SJeff Roberson #include <netinet/if_ether.h> 70aa0a1e58SJeff Roberson #include <netinet/ip_var.h> 71aa0a1e58SJeff Roberson #endif 72aa0a1e58SJeff Roberson #ifdef INET6 73aa0a1e58SJeff Roberson #include <netinet6/nd6.h> 74aa0a1e58SJeff Roberson #endif 75aa0a1e58SJeff Roberson 76aa0a1e58SJeff Roberson #include <security/mac/mac_framework.h> 77aa0a1e58SJeff Roberson 78aa0a1e58SJeff Roberson #include <linux/list.h> 79aa0a1e58SJeff Roberson 80aa0a1e58SJeff Roberson #include <linux/workqueue.h> 81aa0a1e58SJeff Roberson #include <linux/kref.h> 82aa0a1e58SJeff Roberson #include <linux/mutex.h> 83b5c1e0cbSHans Petter Selasky #include <linux/rbtree.h> 84aa0a1e58SJeff Roberson 85aa0a1e58SJeff Roberson #include <asm/atomic.h> 86aa0a1e58SJeff Roberson 87aa0a1e58SJeff Roberson #include <rdma/ib_verbs.h> 88aa0a1e58SJeff Roberson #include <rdma/ib_pack.h> 89aa0a1e58SJeff Roberson #include <rdma/ib_sa.h> 90aa0a1e58SJeff Roberson 91aa0a1e58SJeff Roberson /* constants */ 92aa0a1e58SJeff Roberson 93aa0a1e58SJeff Roberson #define INFINIBAND_ALEN 20 /* Octets in IPoIB HW addr */ 94aa0a1e58SJeff Roberson 95aa0a1e58SJeff Roberson #ifdef IPOIB_CM 96aa0a1e58SJeff Roberson #define CONFIG_INFINIBAND_IPOIB_CM 97aa0a1e58SJeff Roberson #endif 98aa0a1e58SJeff Roberson 99aa0a1e58SJeff Roberson #ifdef IPOIB_DEBUG 100aa0a1e58SJeff Roberson #define CONFIG_INFINIBAND_IPOIB_DEBUG 101aa0a1e58SJeff Roberson #define CONFIG_INFINIBAND_IPOIB_DEBUG_DATA 102aa0a1e58SJeff Roberson #endif 103aa0a1e58SJeff Roberson 104aa0a1e58SJeff Roberson enum ipoib_flush_level { 105aa0a1e58SJeff Roberson IPOIB_FLUSH_LIGHT, 106aa0a1e58SJeff Roberson IPOIB_FLUSH_NORMAL, 107aa0a1e58SJeff Roberson IPOIB_FLUSH_HEAVY 108aa0a1e58SJeff Roberson }; 109aa0a1e58SJeff Roberson 110aa0a1e58SJeff Roberson enum { 111aa0a1e58SJeff Roberson IPOIB_ENCAP_LEN = 4, 112aa0a1e58SJeff Roberson IPOIB_HEADER_LEN = IPOIB_ENCAP_LEN + INFINIBAND_ALEN, 113aa0a1e58SJeff Roberson IPOIB_UD_MAX_MTU = 4 * 1024, 114c9f432b7SAlfred Perlstein // IPOIB_UD_RX_SG = (IPOIB_UD_MAX_MTU / MJUMPAGESIZE), 115c9f432b7SAlfred Perlstein IPOIB_UD_RX_SG = 2, 116aa0a1e58SJeff Roberson IPOIB_UD_TX_SG = (IPOIB_UD_MAX_MTU / MCLBYTES) + 2, 117aa0a1e58SJeff Roberson IPOIB_CM_MAX_MTU = (64 * 1024), 118aa0a1e58SJeff Roberson IPOIB_CM_TX_SG = (IPOIB_CM_MAX_MTU / MCLBYTES) + 2, 119aa0a1e58SJeff Roberson IPOIB_CM_RX_SG = (IPOIB_CM_MAX_MTU / MJUMPAGESIZE), 120aa0a1e58SJeff Roberson IPOIB_RX_RING_SIZE = 256, 121aa0a1e58SJeff Roberson IPOIB_TX_RING_SIZE = 128, 122aa0a1e58SJeff Roberson IPOIB_MAX_RX_SG = MAX(IPOIB_CM_RX_SG, IPOIB_UD_RX_SG), 123aa0a1e58SJeff Roberson IPOIB_MAX_TX_SG = MAX(IPOIB_CM_TX_SG, IPOIB_UD_TX_SG), 124aa0a1e58SJeff Roberson IPOIB_MAX_QUEUE_SIZE = 8192, 125aa0a1e58SJeff Roberson IPOIB_MIN_QUEUE_SIZE = 2, 126aa0a1e58SJeff Roberson IPOIB_CM_MAX_CONN_QP = 4096, 127aa0a1e58SJeff Roberson 128aa0a1e58SJeff Roberson IPOIB_NUM_WC = 4, 129aa0a1e58SJeff Roberson 130aa0a1e58SJeff Roberson IPOIB_MAX_PATH_REC_QUEUE = 3, 131aa0a1e58SJeff Roberson IPOIB_MAX_MCAST_QUEUE = 3, 132aa0a1e58SJeff Roberson 133aa0a1e58SJeff Roberson IPOIB_FLAG_OPER_UP = 0, 134aa0a1e58SJeff Roberson IPOIB_FLAG_INITIALIZED = 1, 135aa0a1e58SJeff Roberson IPOIB_FLAG_ADMIN_UP = 2, 136aa0a1e58SJeff Roberson IPOIB_PKEY_ASSIGNED = 3, 137aa0a1e58SJeff Roberson IPOIB_PKEY_STOP = 4, 138aa0a1e58SJeff Roberson IPOIB_FLAG_SUBINTERFACE = 5, 139aa0a1e58SJeff Roberson IPOIB_MCAST_RUN = 6, 140aa0a1e58SJeff Roberson IPOIB_STOP_REAPER = 7, 141aa0a1e58SJeff Roberson IPOIB_FLAG_UMCAST = 10, 142aa0a1e58SJeff Roberson IPOIB_FLAG_CSUM = 11, 143aa0a1e58SJeff Roberson 144aa0a1e58SJeff Roberson IPOIB_MAX_BACKOFF_SECONDS = 16, 145aa0a1e58SJeff Roberson 146aa0a1e58SJeff Roberson IPOIB_MCAST_FLAG_FOUND = 0, /* used in set_multicast_list */ 147aa0a1e58SJeff Roberson IPOIB_MCAST_FLAG_SENDONLY = 1, 148aa0a1e58SJeff Roberson IPOIB_MCAST_FLAG_BUSY = 2, /* joining or already joined */ 149aa0a1e58SJeff Roberson IPOIB_MCAST_FLAG_ATTACHED = 3, 150aa0a1e58SJeff Roberson 151aa0a1e58SJeff Roberson IPOIB_MAX_LRO_DESCRIPTORS = 8, 152aa0a1e58SJeff Roberson IPOIB_LRO_MAX_AGGR = 64, 153aa0a1e58SJeff Roberson 154aa0a1e58SJeff Roberson MAX_SEND_CQE = 16, 155aa0a1e58SJeff Roberson IPOIB_CM_COPYBREAK = 256, 156aa0a1e58SJeff Roberson }; 157aa0a1e58SJeff Roberson 158aa0a1e58SJeff Roberson #define IPOIB_OP_RECV (1ul << 31) 159aa0a1e58SJeff Roberson #ifdef CONFIG_INFINIBAND_IPOIB_CM 160aa0a1e58SJeff Roberson #define IPOIB_OP_CM (1ul << 30) 161aa0a1e58SJeff Roberson #else 162aa0a1e58SJeff Roberson #define IPOIB_OP_CM (0) 163aa0a1e58SJeff Roberson #endif 164aa0a1e58SJeff Roberson 165aa0a1e58SJeff Roberson /* structs */ 166aa0a1e58SJeff Roberson 167aa0a1e58SJeff Roberson struct ipoib_header { 168aa0a1e58SJeff Roberson u8 hwaddr[INFINIBAND_ALEN]; 169aa0a1e58SJeff Roberson __be16 proto; 170aa0a1e58SJeff Roberson u16 reserved; 171aa0a1e58SJeff Roberson }; 172aa0a1e58SJeff Roberson 173aa0a1e58SJeff Roberson struct ipoib_pseudoheader { 174aa0a1e58SJeff Roberson u8 hwaddr[INFINIBAND_ALEN]; 175aa0a1e58SJeff Roberson }; 176aa0a1e58SJeff Roberson 177aa0a1e58SJeff Roberson /* Used for all multicast joins (broadcast, IPv4 mcast and IPv6 mcast) */ 178aa0a1e58SJeff Roberson struct ipoib_mcast { 179aa0a1e58SJeff Roberson struct ib_sa_mcmember_rec mcmember; 180aa0a1e58SJeff Roberson struct ib_sa_multicast *mc; 181aa0a1e58SJeff Roberson struct ipoib_ah *ah; 182aa0a1e58SJeff Roberson 183aa0a1e58SJeff Roberson struct rb_node rb_node; 184aa0a1e58SJeff Roberson struct list_head list; 185aa0a1e58SJeff Roberson 186aa0a1e58SJeff Roberson unsigned long created; 187aa0a1e58SJeff Roberson unsigned long backoff; 188aa0a1e58SJeff Roberson 189aa0a1e58SJeff Roberson unsigned long flags; 190aa0a1e58SJeff Roberson unsigned char logcount; 191aa0a1e58SJeff Roberson 192aa0a1e58SJeff Roberson struct ifqueue pkt_queue; 193aa0a1e58SJeff Roberson 194aa0a1e58SJeff Roberson struct ipoib_dev_priv *priv; 195aa0a1e58SJeff Roberson }; 196aa0a1e58SJeff Roberson 197aa0a1e58SJeff Roberson struct ipoib_cm_rx_buf { 198aa0a1e58SJeff Roberson struct mbuf *mb; 199aa0a1e58SJeff Roberson u64 mapping[IPOIB_CM_RX_SG]; 200aa0a1e58SJeff Roberson }; 201aa0a1e58SJeff Roberson 202aa0a1e58SJeff Roberson struct ipoib_cm_tx_buf { 203aa0a1e58SJeff Roberson struct mbuf *mb; 204aa0a1e58SJeff Roberson u64 mapping[IPOIB_CM_TX_SG]; 205aa0a1e58SJeff Roberson }; 206aa0a1e58SJeff Roberson 207aa0a1e58SJeff Roberson struct ipoib_rx_buf { 208aa0a1e58SJeff Roberson struct mbuf *mb; 209aa0a1e58SJeff Roberson u64 mapping[IPOIB_UD_RX_SG]; 210aa0a1e58SJeff Roberson }; 211aa0a1e58SJeff Roberson 212aa0a1e58SJeff Roberson struct ipoib_tx_buf { 213aa0a1e58SJeff Roberson struct mbuf *mb; 214aa0a1e58SJeff Roberson u64 mapping[IPOIB_UD_TX_SG]; 215aa0a1e58SJeff Roberson }; 216aa0a1e58SJeff Roberson 217aa0a1e58SJeff Roberson struct ib_cm_id; 218aa0a1e58SJeff Roberson 219aa0a1e58SJeff Roberson struct ipoib_cm_data { 220aa0a1e58SJeff Roberson __be32 qpn; /* High byte MUST be ignored on receive */ 221aa0a1e58SJeff Roberson __be32 mtu; 222aa0a1e58SJeff Roberson }; 223aa0a1e58SJeff Roberson 224aa0a1e58SJeff Roberson /* 225aa0a1e58SJeff Roberson * Quoting 10.3.1 Queue Pair and EE Context States: 226aa0a1e58SJeff Roberson * 227aa0a1e58SJeff Roberson * Note, for QPs that are associated with an SRQ, the Consumer should take the 228aa0a1e58SJeff Roberson * QP through the Error State before invoking a Destroy QP or a Modify QP to the 229aa0a1e58SJeff Roberson * Reset State. The Consumer may invoke the Destroy QP without first performing 230aa0a1e58SJeff Roberson * a Modify QP to the Error State and waiting for the Affiliated Asynchronous 231aa0a1e58SJeff Roberson * Last WQE Reached Event. However, if the Consumer does not wait for the 232aa0a1e58SJeff Roberson * Affiliated Asynchronous Last WQE Reached Event, then WQE and Data Segment 233aa0a1e58SJeff Roberson * leakage may occur. Therefore, it is good programming practice to tear down a 234aa0a1e58SJeff Roberson * QP that is associated with an SRQ by using the following process: 235aa0a1e58SJeff Roberson * 236aa0a1e58SJeff Roberson * - Put the QP in the Error State 237aa0a1e58SJeff Roberson * - Wait for the Affiliated Asynchronous Last WQE Reached Event; 238aa0a1e58SJeff Roberson * - either: 239aa0a1e58SJeff Roberson * drain the CQ by invoking the Poll CQ verb and either wait for CQ 240aa0a1e58SJeff Roberson * to be empty or the number of Poll CQ operations has exceeded 241aa0a1e58SJeff Roberson * CQ capacity size; 242aa0a1e58SJeff Roberson * - or 243aa0a1e58SJeff Roberson * post another WR that completes on the same CQ and wait for this 244aa0a1e58SJeff Roberson * WR to return as a WC; 245aa0a1e58SJeff Roberson * - and then invoke a Destroy QP or Reset QP. 246aa0a1e58SJeff Roberson * 247aa0a1e58SJeff Roberson * We use the second option and wait for a completion on the 248aa0a1e58SJeff Roberson * same CQ before destroying QPs attached to our SRQ. 249aa0a1e58SJeff Roberson */ 250aa0a1e58SJeff Roberson 251aa0a1e58SJeff Roberson enum ipoib_cm_state { 252aa0a1e58SJeff Roberson IPOIB_CM_RX_LIVE, 253aa0a1e58SJeff Roberson IPOIB_CM_RX_ERROR, /* Ignored by stale task */ 254aa0a1e58SJeff Roberson IPOIB_CM_RX_FLUSH /* Last WQE Reached event observed */ 255aa0a1e58SJeff Roberson }; 256aa0a1e58SJeff Roberson 257aa0a1e58SJeff Roberson struct ipoib_cm_rx { 258aa0a1e58SJeff Roberson struct ib_cm_id *id; 259aa0a1e58SJeff Roberson struct ib_qp *qp; 260aa0a1e58SJeff Roberson struct ipoib_cm_rx_buf *rx_ring; 261aa0a1e58SJeff Roberson struct list_head list; 262aa0a1e58SJeff Roberson struct ipoib_dev_priv *priv; 263aa0a1e58SJeff Roberson unsigned long jiffies; 264aa0a1e58SJeff Roberson enum ipoib_cm_state state; 265aa0a1e58SJeff Roberson int recv_count; 266aa0a1e58SJeff Roberson }; 267aa0a1e58SJeff Roberson 268aa0a1e58SJeff Roberson struct ipoib_cm_tx { 269aa0a1e58SJeff Roberson struct ib_cm_id *id; 270aa0a1e58SJeff Roberson struct ib_qp *qp; 271aa0a1e58SJeff Roberson struct list_head list; 272aa0a1e58SJeff Roberson struct ipoib_dev_priv *priv; 273aa0a1e58SJeff Roberson struct ipoib_path *path; 274aa0a1e58SJeff Roberson struct ipoib_cm_tx_buf *tx_ring; 275aa0a1e58SJeff Roberson unsigned tx_head; 276aa0a1e58SJeff Roberson unsigned tx_tail; 277aa0a1e58SJeff Roberson unsigned long flags; 278aa0a1e58SJeff Roberson u32 mtu; /* remote specified mtu, with grh. */ 279aa0a1e58SJeff Roberson }; 280aa0a1e58SJeff Roberson 281aa0a1e58SJeff Roberson struct ipoib_cm_dev_priv { 282aa0a1e58SJeff Roberson struct ib_srq *srq; 283aa0a1e58SJeff Roberson struct ipoib_cm_rx_buf *srq_ring; 284aa0a1e58SJeff Roberson struct ib_cm_id *id; 285aa0a1e58SJeff Roberson struct list_head passive_ids; /* state: LIVE */ 286aa0a1e58SJeff Roberson struct list_head rx_error_list; /* state: ERROR */ 287aa0a1e58SJeff Roberson struct list_head rx_flush_list; /* state: FLUSH, drain not started */ 288aa0a1e58SJeff Roberson struct list_head rx_drain_list; /* state: FLUSH, drain started */ 289aa0a1e58SJeff Roberson struct list_head rx_reap_list; /* state: FLUSH, drain done */ 290aa0a1e58SJeff Roberson struct work_struct start_task; 291aa0a1e58SJeff Roberson struct work_struct reap_task; 292aa0a1e58SJeff Roberson struct work_struct mb_task; 293aa0a1e58SJeff Roberson struct work_struct rx_reap_task; 294aa0a1e58SJeff Roberson struct delayed_work stale_task; 295aa0a1e58SJeff Roberson struct ifqueue mb_queue; 296aa0a1e58SJeff Roberson struct list_head start_list; 297aa0a1e58SJeff Roberson struct list_head reap_list; 298aa0a1e58SJeff Roberson struct ib_sge rx_sge[IPOIB_CM_RX_SG]; 299aa0a1e58SJeff Roberson struct ib_recv_wr rx_wr; 300aa0a1e58SJeff Roberson int nonsrq_conn_qp; 301aa0a1e58SJeff Roberson int max_cm_mtu; /* Actual buf size. */ 302aa0a1e58SJeff Roberson int num_frags; 303aa0a1e58SJeff Roberson }; 304aa0a1e58SJeff Roberson 305aa0a1e58SJeff Roberson struct ipoib_ethtool_st { 306aa0a1e58SJeff Roberson u16 coalesce_usecs; 307aa0a1e58SJeff Roberson u16 max_coalesced_frames; 308aa0a1e58SJeff Roberson }; 309aa0a1e58SJeff Roberson 310aa0a1e58SJeff Roberson /* 311aa0a1e58SJeff Roberson * Device private locking: network stack tx_lock protects members used 312aa0a1e58SJeff Roberson * in TX fast path, lock protects everything else. lock nests inside 313aa0a1e58SJeff Roberson * of tx_lock (ie tx_lock must be acquired first if needed). 314aa0a1e58SJeff Roberson */ 315aa0a1e58SJeff Roberson struct ipoib_dev_priv { 316aa0a1e58SJeff Roberson spinlock_t lock; 317b5c1e0cbSHans Petter Selasky spinlock_t drain_lock; 318aa0a1e58SJeff Roberson 319aa0a1e58SJeff Roberson struct ifnet *dev; 320aa0a1e58SJeff Roberson 321aa0a1e58SJeff Roberson u8 broadcastaddr[INFINIBAND_ALEN]; 322aa0a1e58SJeff Roberson 323aa0a1e58SJeff Roberson unsigned long flags; 324aa0a1e58SJeff Roberson 325*9319562bSHans Petter Selasky int gone; 326*9319562bSHans Petter Selasky 327aa0a1e58SJeff Roberson struct mutex vlan_mutex; 328aa0a1e58SJeff Roberson 329aa0a1e58SJeff Roberson struct rb_root path_tree; 330aa0a1e58SJeff Roberson struct list_head path_list; 331aa0a1e58SJeff Roberson 332aa0a1e58SJeff Roberson struct ipoib_mcast *broadcast; 333aa0a1e58SJeff Roberson struct list_head multicast_list; 334aa0a1e58SJeff Roberson struct rb_root multicast_tree; 335aa0a1e58SJeff Roberson 336aa0a1e58SJeff Roberson struct delayed_work pkey_poll_task; 337aa0a1e58SJeff Roberson struct delayed_work mcast_task; 338aa0a1e58SJeff Roberson struct work_struct carrier_on_task; 339aa0a1e58SJeff Roberson struct work_struct flush_light; 340aa0a1e58SJeff Roberson struct work_struct flush_normal; 341aa0a1e58SJeff Roberson struct work_struct flush_heavy; 342aa0a1e58SJeff Roberson struct work_struct restart_task; 343aa0a1e58SJeff Roberson struct delayed_work ah_reap_task; 344aa0a1e58SJeff Roberson 345aa0a1e58SJeff Roberson struct ib_device *ca; 346aa0a1e58SJeff Roberson u8 port; 347aa0a1e58SJeff Roberson u16 pkey; 348aa0a1e58SJeff Roberson u16 pkey_index; 349aa0a1e58SJeff Roberson struct ib_pd *pd; 350aa0a1e58SJeff Roberson struct ib_mr *mr; 351aa0a1e58SJeff Roberson struct ib_cq *recv_cq; 352aa0a1e58SJeff Roberson struct ib_cq *send_cq; 353aa0a1e58SJeff Roberson struct ib_qp *qp; 354aa0a1e58SJeff Roberson u32 qkey; 355aa0a1e58SJeff Roberson 356aa0a1e58SJeff Roberson union ib_gid local_gid; 357aa0a1e58SJeff Roberson u16 local_lid; 358aa0a1e58SJeff Roberson 359aa0a1e58SJeff Roberson unsigned int admin_mtu; /* User selected MTU, no GRH. */ 360aa0a1e58SJeff Roberson unsigned int mcast_mtu; /* Minus GRH bytes, from mcast group. */ 361aa0a1e58SJeff Roberson unsigned int max_ib_mtu; /* Without header, actual buf size. */ 362aa0a1e58SJeff Roberson 363aa0a1e58SJeff Roberson struct ipoib_rx_buf *rx_ring; 364aa0a1e58SJeff Roberson 365aa0a1e58SJeff Roberson struct ipoib_tx_buf *tx_ring; 366aa0a1e58SJeff Roberson unsigned tx_head; 367aa0a1e58SJeff Roberson unsigned tx_tail; 368aa0a1e58SJeff Roberson struct ib_sge tx_sge[IPOIB_MAX_TX_SG]; 369aa0a1e58SJeff Roberson struct ib_send_wr tx_wr; 370aa0a1e58SJeff Roberson unsigned tx_outstanding; 371aa0a1e58SJeff Roberson struct ib_wc send_wc[MAX_SEND_CQE]; 372aa0a1e58SJeff Roberson 373aa0a1e58SJeff Roberson struct ib_recv_wr rx_wr; 374aa0a1e58SJeff Roberson struct ib_sge rx_sge[IPOIB_MAX_RX_SG]; 375aa0a1e58SJeff Roberson 376aa0a1e58SJeff Roberson struct ib_wc ibwc[IPOIB_NUM_WC]; 377aa0a1e58SJeff Roberson 378aa0a1e58SJeff Roberson struct list_head dead_ahs; 379aa0a1e58SJeff Roberson 380aa0a1e58SJeff Roberson struct ib_event_handler event_handler; 381aa0a1e58SJeff Roberson 382aa0a1e58SJeff Roberson struct ifnet *parent; 383aa0a1e58SJeff Roberson struct list_head child_intfs; 384aa0a1e58SJeff Roberson struct list_head list; 385aa0a1e58SJeff Roberson 386aa0a1e58SJeff Roberson #ifdef CONFIG_INFINIBAND_IPOIB_CM 387aa0a1e58SJeff Roberson struct ipoib_cm_dev_priv cm; 388aa0a1e58SJeff Roberson #endif 389aa0a1e58SJeff Roberson 390aa0a1e58SJeff Roberson #ifdef CONFIG_INFINIBAND_IPOIB_DEBUG 391aa0a1e58SJeff Roberson struct list_head fs_list; 392aa0a1e58SJeff Roberson struct dentry *mcg_dentry; 393aa0a1e58SJeff Roberson struct dentry *path_dentry; 394aa0a1e58SJeff Roberson #endif 395aa0a1e58SJeff Roberson int hca_caps; 396aa0a1e58SJeff Roberson struct ipoib_ethtool_st ethtool; 397aa0a1e58SJeff Roberson struct timer_list poll_timer; 398aa0a1e58SJeff Roberson }; 399aa0a1e58SJeff Roberson 400aa0a1e58SJeff Roberson struct ipoib_ah { 401aa0a1e58SJeff Roberson struct ipoib_dev_priv *priv; 402aa0a1e58SJeff Roberson struct ib_ah *ah; 403aa0a1e58SJeff Roberson struct list_head list; 404aa0a1e58SJeff Roberson struct kref ref; 405aa0a1e58SJeff Roberson unsigned last_send; 406aa0a1e58SJeff Roberson }; 407aa0a1e58SJeff Roberson 408aa0a1e58SJeff Roberson struct ipoib_path { 409aa0a1e58SJeff Roberson struct ipoib_dev_priv *priv; 410aa0a1e58SJeff Roberson struct rb_node rb_node; 411aa0a1e58SJeff Roberson struct list_head list; 412aa0a1e58SJeff Roberson #ifdef CONFIG_INFINIBAND_IPOIB_CM 413aa0a1e58SJeff Roberson uint8_t hwaddr[INFINIBAND_ALEN]; 414aa0a1e58SJeff Roberson struct ipoib_cm_tx *cm; 415aa0a1e58SJeff Roberson #endif 416aa0a1e58SJeff Roberson struct ipoib_ah *ah; 417aa0a1e58SJeff Roberson struct ib_sa_path_rec pathrec; 418aa0a1e58SJeff Roberson struct ifqueue queue; 419aa0a1e58SJeff Roberson 420aa0a1e58SJeff Roberson int query_id; 421aa0a1e58SJeff Roberson struct ib_sa_query *query; 422aa0a1e58SJeff Roberson struct completion done; 423aa0a1e58SJeff Roberson 424aa0a1e58SJeff Roberson int valid; 425aa0a1e58SJeff Roberson }; 426aa0a1e58SJeff Roberson 427aa0a1e58SJeff Roberson /* UD Only transmits encap len but we want the two sizes to be symmetrical. */ 428aa0a1e58SJeff Roberson #define IPOIB_UD_MTU(ib_mtu) (ib_mtu - IPOIB_ENCAP_LEN) 429aa0a1e58SJeff Roberson #define IPOIB_CM_MTU(ib_mtu) (ib_mtu - 0x10) 430aa0a1e58SJeff Roberson 431aa0a1e58SJeff Roberson #define IPOIB_IS_MULTICAST(addr) ((addr)[4] == 0xff) 432aa0a1e58SJeff Roberson 433aa0a1e58SJeff Roberson extern struct workqueue_struct *ipoib_workqueue; 434aa0a1e58SJeff Roberson 435aa0a1e58SJeff Roberson #define IPOIB_MTAP_PROTO(_ifp, _m, _proto) \ 436aa0a1e58SJeff Roberson do { \ 437aa0a1e58SJeff Roberson if (bpf_peers_present((_ifp)->if_bpf)) { \ 438aa0a1e58SJeff Roberson M_ASSERTVALID(_m); \ 439aa0a1e58SJeff Roberson ipoib_mtap_proto((_ifp), (_m), (_proto)); \ 440aa0a1e58SJeff Roberson } \ 441aa0a1e58SJeff Roberson } while (0) 442aa0a1e58SJeff Roberson 443aa0a1e58SJeff Roberson /* functions */ 444aa0a1e58SJeff Roberson void ipoib_mtap_proto(struct ifnet *ifp, struct mbuf *mb, uint16_t proto); 445aa0a1e58SJeff Roberson void ipoib_ib_completion(struct ib_cq *cq, void *dev_ptr); 446aa0a1e58SJeff Roberson void ipoib_send_comp_handler(struct ib_cq *cq, void *dev_ptr); 447aa0a1e58SJeff Roberson 448aa0a1e58SJeff Roberson struct ipoib_ah *ipoib_create_ah(struct ipoib_dev_priv *, 449aa0a1e58SJeff Roberson struct ib_pd *pd, struct ib_ah_attr *attr); 450aa0a1e58SJeff Roberson void ipoib_free_ah(struct kref *kref); 451aa0a1e58SJeff Roberson static inline void ipoib_put_ah(struct ipoib_ah *ah) 452aa0a1e58SJeff Roberson { 453aa0a1e58SJeff Roberson kref_put(&ah->ref, ipoib_free_ah); 454aa0a1e58SJeff Roberson } 455aa0a1e58SJeff Roberson 456aa0a1e58SJeff Roberson int ipoib_open(struct ipoib_dev_priv *priv); 457aa0a1e58SJeff Roberson int ipoib_add_pkey_attr(struct ipoib_dev_priv *priv); 458aa0a1e58SJeff Roberson int ipoib_add_umcast_attr(struct ipoib_dev_priv *priv); 459aa0a1e58SJeff Roberson 460aa0a1e58SJeff Roberson void ipoib_demux(struct ifnet *ifp, struct mbuf *m, u_short proto); 461aa0a1e58SJeff Roberson 462aa0a1e58SJeff Roberson void ipoib_send(struct ipoib_dev_priv *priv, struct mbuf *mb, 463aa0a1e58SJeff Roberson struct ipoib_ah *address, u32 qpn); 464aa0a1e58SJeff Roberson void ipoib_reap_ah(struct work_struct *work); 465aa0a1e58SJeff Roberson 466aa0a1e58SJeff Roberson void ipoib_mark_paths_invalid(struct ipoib_dev_priv *priv); 467aa0a1e58SJeff Roberson void ipoib_flush_paths(struct ipoib_dev_priv *priv); 468aa0a1e58SJeff Roberson struct ipoib_dev_priv *ipoib_intf_alloc(const char *format); 469aa0a1e58SJeff Roberson 470aa0a1e58SJeff Roberson int ipoib_ib_dev_init(struct ipoib_dev_priv *priv, struct ib_device *ca, 471aa0a1e58SJeff Roberson int port); 472aa0a1e58SJeff Roberson void ipoib_ib_dev_flush_light(struct work_struct *work); 473aa0a1e58SJeff Roberson void ipoib_ib_dev_flush_normal(struct work_struct *work); 474aa0a1e58SJeff Roberson void ipoib_ib_dev_flush_heavy(struct work_struct *work); 475aa0a1e58SJeff Roberson void ipoib_pkey_event(struct work_struct *work); 476aa0a1e58SJeff Roberson void ipoib_ib_dev_cleanup(struct ipoib_dev_priv *priv); 477aa0a1e58SJeff Roberson 478aa0a1e58SJeff Roberson int ipoib_ib_dev_open(struct ipoib_dev_priv *priv); 479aa0a1e58SJeff Roberson int ipoib_ib_dev_up(struct ipoib_dev_priv *priv); 480aa0a1e58SJeff Roberson int ipoib_ib_dev_down(struct ipoib_dev_priv *priv, int flush); 481aa0a1e58SJeff Roberson int ipoib_ib_dev_stop(struct ipoib_dev_priv *priv, int flush); 482aa0a1e58SJeff Roberson 483aa0a1e58SJeff Roberson int ipoib_dev_init(struct ipoib_dev_priv *priv, struct ib_device *ca, int port); 484aa0a1e58SJeff Roberson void ipoib_dev_cleanup(struct ipoib_dev_priv *priv); 485aa0a1e58SJeff Roberson 486aa0a1e58SJeff Roberson void ipoib_mcast_join_task(struct work_struct *work); 487aa0a1e58SJeff Roberson void ipoib_mcast_carrier_on_task(struct work_struct *work); 488aa0a1e58SJeff Roberson void ipoib_mcast_send(struct ipoib_dev_priv *priv, void *mgid, struct mbuf *mb); 489aa0a1e58SJeff Roberson 490aa0a1e58SJeff Roberson void ipoib_mcast_restart_task(struct work_struct *work); 491aa0a1e58SJeff Roberson void ipoib_mcast_restart(struct ipoib_dev_priv *); 492aa0a1e58SJeff Roberson int ipoib_mcast_start_thread(struct ipoib_dev_priv *priv); 493aa0a1e58SJeff Roberson int ipoib_mcast_stop_thread(struct ipoib_dev_priv *priv, int flush); 494aa0a1e58SJeff Roberson 495aa0a1e58SJeff Roberson void ipoib_mcast_dev_down(struct ipoib_dev_priv *priv); 496aa0a1e58SJeff Roberson void ipoib_mcast_dev_flush(struct ipoib_dev_priv *priv); 497aa0a1e58SJeff Roberson 498aa0a1e58SJeff Roberson void ipoib_path_free(struct ipoib_dev_priv *priv, struct ipoib_path *path); 499aa0a1e58SJeff Roberson #ifdef CONFIG_INFINIBAND_IPOIB_DEBUG 500aa0a1e58SJeff Roberson struct ipoib_mcast_iter *ipoib_mcast_iter_init(struct ipoib_dev_priv *priv); 501aa0a1e58SJeff Roberson int ipoib_mcast_iter_next(struct ipoib_mcast_iter *iter); 502aa0a1e58SJeff Roberson void ipoib_mcast_iter_read(struct ipoib_mcast_iter *iter, 503aa0a1e58SJeff Roberson union ib_gid *gid, 504aa0a1e58SJeff Roberson unsigned long *created, 505aa0a1e58SJeff Roberson unsigned int *queuelen, 506aa0a1e58SJeff Roberson unsigned int *complete, 507aa0a1e58SJeff Roberson unsigned int *send_only); 508aa0a1e58SJeff Roberson 509aa0a1e58SJeff Roberson struct ipoib_path_iter *ipoib_path_iter_init(struct ipoib_dev_priv *priv); 510aa0a1e58SJeff Roberson int ipoib_path_iter_next(struct ipoib_path_iter *iter); 511aa0a1e58SJeff Roberson void ipoib_path_iter_read(struct ipoib_path_iter *iter, 512aa0a1e58SJeff Roberson struct ipoib_path *path); 513aa0a1e58SJeff Roberson #endif 514aa0a1e58SJeff Roberson 515aa0a1e58SJeff Roberson int ipoib_change_mtu(struct ipoib_dev_priv *priv, int new_mtu); 516aa0a1e58SJeff Roberson 517aa0a1e58SJeff Roberson int ipoib_mcast_attach(struct ipoib_dev_priv *priv, u16 mlid, 518aa0a1e58SJeff Roberson union ib_gid *mgid, int set_qkey); 519aa0a1e58SJeff Roberson 520aa0a1e58SJeff Roberson int ipoib_init_qp(struct ipoib_dev_priv *priv); 521aa0a1e58SJeff Roberson int ipoib_transport_dev_init(struct ipoib_dev_priv *priv, struct ib_device *ca); 522aa0a1e58SJeff Roberson void ipoib_transport_dev_cleanup(struct ipoib_dev_priv *priv); 523aa0a1e58SJeff Roberson 524aa0a1e58SJeff Roberson void ipoib_event(struct ib_event_handler *handler, 525aa0a1e58SJeff Roberson struct ib_event *record); 526aa0a1e58SJeff Roberson 527aa0a1e58SJeff Roberson void ipoib_pkey_poll(struct work_struct *work); 528aa0a1e58SJeff Roberson int ipoib_pkey_dev_delay_open(struct ipoib_dev_priv *priv); 529aa0a1e58SJeff Roberson void ipoib_drain_cq(struct ipoib_dev_priv *priv); 530aa0a1e58SJeff Roberson 531aa0a1e58SJeff Roberson int ipoib_dma_map_tx(struct ib_device *ca, struct ipoib_tx_buf *tx_req, int max); 532aa0a1e58SJeff Roberson void ipoib_dma_unmap_tx(struct ib_device *ca, struct ipoib_tx_buf *tx_req); 533aa0a1e58SJeff Roberson int ipoib_poll_tx(struct ipoib_dev_priv *priv); 534aa0a1e58SJeff Roberson 535aa0a1e58SJeff Roberson void ipoib_dma_unmap_rx(struct ipoib_dev_priv *priv, struct ipoib_rx_buf *rx_req); 536aa0a1e58SJeff Roberson void ipoib_dma_mb(struct ipoib_dev_priv *priv, struct mbuf *mb, unsigned int length); 537aa0a1e58SJeff Roberson struct mbuf *ipoib_alloc_map_mb(struct ipoib_dev_priv *priv, struct ipoib_rx_buf *rx_req, int size); 538aa0a1e58SJeff Roberson 539aa0a1e58SJeff Roberson 540aa0a1e58SJeff Roberson void ipoib_set_ethtool_ops(struct ifnet *dev); 541aa0a1e58SJeff Roberson int ipoib_set_dev_features(struct ipoib_dev_priv *priv, struct ib_device *hca); 542aa0a1e58SJeff Roberson 543aa0a1e58SJeff Roberson #ifdef CONFIG_INFINIBAND_IPOIB_CM 544aa0a1e58SJeff Roberson 545aa0a1e58SJeff Roberson #define IPOIB_FLAGS_RC 0x80 546aa0a1e58SJeff Roberson #define IPOIB_FLAGS_UC 0x40 547aa0a1e58SJeff Roberson 548aa0a1e58SJeff Roberson /* We don't support UC connections at the moment */ 549aa0a1e58SJeff Roberson #define IPOIB_CM_SUPPORTED(ha) (ha[0] & (IPOIB_FLAGS_RC)) 550aa0a1e58SJeff Roberson 551aa0a1e58SJeff Roberson extern int ipoib_max_conn_qp; 552aa0a1e58SJeff Roberson 553aa0a1e58SJeff Roberson static inline int ipoib_cm_admin_enabled(struct ipoib_dev_priv *priv) 554aa0a1e58SJeff Roberson { 555aa0a1e58SJeff Roberson return IPOIB_CM_SUPPORTED(IF_LLADDR(priv->dev)); 556aa0a1e58SJeff Roberson } 557aa0a1e58SJeff Roberson 558aa0a1e58SJeff Roberson static inline int ipoib_cm_enabled(struct ipoib_dev_priv *priv, uint8_t *hwaddr) 559aa0a1e58SJeff Roberson { 560aa0a1e58SJeff Roberson return IPOIB_CM_SUPPORTED(hwaddr); 561aa0a1e58SJeff Roberson } 562aa0a1e58SJeff Roberson 563aa0a1e58SJeff Roberson static inline int ipoib_cm_up(struct ipoib_path *path) 564aa0a1e58SJeff Roberson 565aa0a1e58SJeff Roberson { 566aa0a1e58SJeff Roberson return test_bit(IPOIB_FLAG_OPER_UP, &path->cm->flags); 567aa0a1e58SJeff Roberson } 568aa0a1e58SJeff Roberson 569aa0a1e58SJeff Roberson static inline struct ipoib_cm_tx *ipoib_cm_get(struct ipoib_path *path) 570aa0a1e58SJeff Roberson { 571aa0a1e58SJeff Roberson return path->cm; 572aa0a1e58SJeff Roberson } 573aa0a1e58SJeff Roberson 574aa0a1e58SJeff Roberson static inline void ipoib_cm_set(struct ipoib_path *path, struct ipoib_cm_tx *tx) 575aa0a1e58SJeff Roberson { 576aa0a1e58SJeff Roberson path->cm = tx; 577aa0a1e58SJeff Roberson } 578aa0a1e58SJeff Roberson 579aa0a1e58SJeff Roberson static inline int ipoib_cm_has_srq(struct ipoib_dev_priv *priv) 580aa0a1e58SJeff Roberson { 581aa0a1e58SJeff Roberson return !!priv->cm.srq; 582aa0a1e58SJeff Roberson } 583aa0a1e58SJeff Roberson 584aa0a1e58SJeff Roberson static inline unsigned int ipoib_cm_max_mtu(struct ipoib_dev_priv *priv) 585aa0a1e58SJeff Roberson { 586aa0a1e58SJeff Roberson return priv->cm.max_cm_mtu; 587aa0a1e58SJeff Roberson } 588aa0a1e58SJeff Roberson 589aa0a1e58SJeff Roberson void ipoib_cm_send(struct ipoib_dev_priv *priv, struct mbuf *mb, struct ipoib_cm_tx *tx); 590aa0a1e58SJeff Roberson int ipoib_cm_dev_open(struct ipoib_dev_priv *priv); 591aa0a1e58SJeff Roberson void ipoib_cm_dev_stop(struct ipoib_dev_priv *priv); 592aa0a1e58SJeff Roberson int ipoib_cm_dev_init(struct ipoib_dev_priv *priv); 593aa0a1e58SJeff Roberson int ipoib_cm_add_mode_attr(struct ipoib_dev_priv *priv); 594aa0a1e58SJeff Roberson void ipoib_cm_dev_cleanup(struct ipoib_dev_priv *priv); 595aa0a1e58SJeff Roberson struct ipoib_cm_tx *ipoib_cm_create_tx(struct ipoib_dev_priv *priv, 596aa0a1e58SJeff Roberson struct ipoib_path *path); 597aa0a1e58SJeff Roberson void ipoib_cm_destroy_tx(struct ipoib_cm_tx *tx); 598aa0a1e58SJeff Roberson void ipoib_cm_mb_too_long(struct ipoib_dev_priv *priv, struct mbuf *mb, 599aa0a1e58SJeff Roberson unsigned int mtu); 600aa0a1e58SJeff Roberson void ipoib_cm_handle_rx_wc(struct ipoib_dev_priv *priv, struct ib_wc *wc); 601aa0a1e58SJeff Roberson void ipoib_cm_handle_tx_wc(struct ipoib_dev_priv *priv, struct ib_wc *wc); 602aa0a1e58SJeff Roberson #else 603aa0a1e58SJeff Roberson 604aa0a1e58SJeff Roberson struct ipoib_cm_tx; 605aa0a1e58SJeff Roberson 606aa0a1e58SJeff Roberson #define ipoib_max_conn_qp 0 607aa0a1e58SJeff Roberson 608aa0a1e58SJeff Roberson static inline int ipoib_cm_admin_enabled(struct ipoib_dev_priv *priv) 609aa0a1e58SJeff Roberson { 610aa0a1e58SJeff Roberson return 0; 611aa0a1e58SJeff Roberson } 612aa0a1e58SJeff Roberson static inline int ipoib_cm_enabled(struct ipoib_dev_priv *priv, uint8_t *hwaddr) 613aa0a1e58SJeff Roberson 614aa0a1e58SJeff Roberson { 615aa0a1e58SJeff Roberson return 0; 616aa0a1e58SJeff Roberson } 617aa0a1e58SJeff Roberson 618aa0a1e58SJeff Roberson static inline int ipoib_cm_up(struct ipoib_path *path) 619aa0a1e58SJeff Roberson 620aa0a1e58SJeff Roberson { 621aa0a1e58SJeff Roberson return 0; 622aa0a1e58SJeff Roberson } 623aa0a1e58SJeff Roberson 624aa0a1e58SJeff Roberson static inline struct ipoib_cm_tx *ipoib_cm_get(struct ipoib_path *path) 625aa0a1e58SJeff Roberson { 626aa0a1e58SJeff Roberson return NULL; 627aa0a1e58SJeff Roberson } 628aa0a1e58SJeff Roberson 629aa0a1e58SJeff Roberson static inline void ipoib_cm_set(struct ipoib_path *path, struct ipoib_cm_tx *tx) 630aa0a1e58SJeff Roberson { 631aa0a1e58SJeff Roberson } 632aa0a1e58SJeff Roberson 633aa0a1e58SJeff Roberson static inline int ipoib_cm_has_srq(struct ipoib_dev_priv *priv) 634aa0a1e58SJeff Roberson { 635aa0a1e58SJeff Roberson return 0; 636aa0a1e58SJeff Roberson } 637aa0a1e58SJeff Roberson 638aa0a1e58SJeff Roberson static inline unsigned int ipoib_cm_max_mtu(struct ipoib_dev_priv *priv) 639aa0a1e58SJeff Roberson { 640aa0a1e58SJeff Roberson return 0; 641aa0a1e58SJeff Roberson } 642aa0a1e58SJeff Roberson 643aa0a1e58SJeff Roberson static inline 644aa0a1e58SJeff Roberson void ipoib_cm_send(struct ipoib_dev_priv *priv, struct mbuf *mb, struct ipoib_cm_tx *tx) 645aa0a1e58SJeff Roberson { 646aa0a1e58SJeff Roberson return; 647aa0a1e58SJeff Roberson } 648aa0a1e58SJeff Roberson 649aa0a1e58SJeff Roberson static inline 650aa0a1e58SJeff Roberson int ipoib_cm_dev_open(struct ipoib_dev_priv *priv) 651aa0a1e58SJeff Roberson { 652aa0a1e58SJeff Roberson return 0; 653aa0a1e58SJeff Roberson } 654aa0a1e58SJeff Roberson 655aa0a1e58SJeff Roberson static inline 656aa0a1e58SJeff Roberson void ipoib_cm_dev_stop(struct ipoib_dev_priv *priv) 657aa0a1e58SJeff Roberson { 658aa0a1e58SJeff Roberson return; 659aa0a1e58SJeff Roberson } 660aa0a1e58SJeff Roberson 661aa0a1e58SJeff Roberson static inline 662aa0a1e58SJeff Roberson int ipoib_cm_dev_init(struct ipoib_dev_priv *priv) 663aa0a1e58SJeff Roberson { 664aa0a1e58SJeff Roberson return -ENOSYS; 665aa0a1e58SJeff Roberson } 666aa0a1e58SJeff Roberson 667aa0a1e58SJeff Roberson static inline 668aa0a1e58SJeff Roberson void ipoib_cm_dev_cleanup(struct ipoib_dev_priv *priv) 669aa0a1e58SJeff Roberson { 670aa0a1e58SJeff Roberson return; 671aa0a1e58SJeff Roberson } 672aa0a1e58SJeff Roberson 673aa0a1e58SJeff Roberson static inline 674aa0a1e58SJeff Roberson struct ipoib_cm_tx *ipoib_cm_create_tx(struct ipoib_dev_priv *priv, struct ipoib_path *path) 675aa0a1e58SJeff Roberson { 676aa0a1e58SJeff Roberson return NULL; 677aa0a1e58SJeff Roberson } 678aa0a1e58SJeff Roberson 679aa0a1e58SJeff Roberson static inline 680aa0a1e58SJeff Roberson void ipoib_cm_destroy_tx(struct ipoib_cm_tx *tx) 681aa0a1e58SJeff Roberson { 682aa0a1e58SJeff Roberson return; 683aa0a1e58SJeff Roberson } 684aa0a1e58SJeff Roberson 685aa0a1e58SJeff Roberson static inline 686aa0a1e58SJeff Roberson int ipoib_cm_add_mode_attr(struct ipoib_dev_priv *priv) 687aa0a1e58SJeff Roberson { 688aa0a1e58SJeff Roberson return 0; 689aa0a1e58SJeff Roberson } 690aa0a1e58SJeff Roberson 691aa0a1e58SJeff Roberson static inline void ipoib_cm_mb_too_long(struct ipoib_dev_priv *priv, struct mbuf *mb, 692aa0a1e58SJeff Roberson unsigned int mtu) 693aa0a1e58SJeff Roberson { 694aa0a1e58SJeff Roberson m_freem(mb); 695aa0a1e58SJeff Roberson } 696aa0a1e58SJeff Roberson 697aa0a1e58SJeff Roberson static inline void ipoib_cm_handle_rx_wc(struct ipoib_dev_priv *priv, struct ib_wc *wc) 698aa0a1e58SJeff Roberson { 699aa0a1e58SJeff Roberson } 700aa0a1e58SJeff Roberson 701aa0a1e58SJeff Roberson static inline void ipoib_cm_handle_tx_wc(struct ipoib_dev_priv *priv, struct ib_wc *wc) 702aa0a1e58SJeff Roberson { 703aa0a1e58SJeff Roberson } 704aa0a1e58SJeff Roberson #endif 705aa0a1e58SJeff Roberson 706aa0a1e58SJeff Roberson #ifdef CONFIG_INFINIBAND_IPOIB_DEBUG 707aa0a1e58SJeff Roberson void ipoib_create_debug_files(struct ipoib_dev_priv *priv); 708aa0a1e58SJeff Roberson void ipoib_delete_debug_files(struct ipoib_dev_priv *priv); 709aa0a1e58SJeff Roberson int ipoib_register_debugfs(void); 710aa0a1e58SJeff Roberson void ipoib_unregister_debugfs(void); 711aa0a1e58SJeff Roberson #else 712aa0a1e58SJeff Roberson static inline void ipoib_create_debug_files(struct ipoib_dev_priv *priv) { } 713aa0a1e58SJeff Roberson static inline void ipoib_delete_debug_files(struct ipoib_dev_priv *priv) { } 714aa0a1e58SJeff Roberson static inline int ipoib_register_debugfs(void) { return 0; } 715aa0a1e58SJeff Roberson static inline void ipoib_unregister_debugfs(void) { } 716aa0a1e58SJeff Roberson #endif 717aa0a1e58SJeff Roberson 718aa0a1e58SJeff Roberson #define ipoib_printk(level, priv, format, arg...) \ 719aa0a1e58SJeff Roberson printk(level "%s: " format, if_name(((struct ipoib_dev_priv *) priv)->dev), ## arg) 720aa0a1e58SJeff Roberson #define ipoib_warn(priv, format, arg...) \ 721aa0a1e58SJeff Roberson ipoib_printk(KERN_WARNING, priv, format , ## arg) 722aa0a1e58SJeff Roberson 723aa0a1e58SJeff Roberson extern int ipoib_sendq_size; 724aa0a1e58SJeff Roberson extern int ipoib_recvq_size; 725aa0a1e58SJeff Roberson 726aa0a1e58SJeff Roberson extern struct ib_sa_client ipoib_sa_client; 727aa0a1e58SJeff Roberson 728aa0a1e58SJeff Roberson #ifdef CONFIG_INFINIBAND_IPOIB_DEBUG 729aa0a1e58SJeff Roberson extern int ipoib_debug_level; 730aa0a1e58SJeff Roberson 731aa0a1e58SJeff Roberson #define ipoib_dbg(priv, format, arg...) \ 732aa0a1e58SJeff Roberson do { \ 733aa0a1e58SJeff Roberson if (ipoib_debug_level > 0) \ 734aa0a1e58SJeff Roberson ipoib_printk(KERN_DEBUG, priv, format , ## arg); \ 735aa0a1e58SJeff Roberson } while (0) 736aa0a1e58SJeff Roberson #define ipoib_dbg_mcast(priv, format, arg...) \ 737aa0a1e58SJeff Roberson do { \ 738aa0a1e58SJeff Roberson if (mcast_debug_level > 0) \ 739aa0a1e58SJeff Roberson ipoib_printk(KERN_DEBUG, priv, format , ## arg); \ 740aa0a1e58SJeff Roberson } while (0) 741aa0a1e58SJeff Roberson #else /* CONFIG_INFINIBAND_IPOIB_DEBUG */ 742aa0a1e58SJeff Roberson #define ipoib_dbg(priv, format, arg...) \ 743aa0a1e58SJeff Roberson do { (void) (priv); } while (0) 744aa0a1e58SJeff Roberson #define ipoib_dbg_mcast(priv, format, arg...) \ 745aa0a1e58SJeff Roberson do { (void) (priv); } while (0) 746aa0a1e58SJeff Roberson #endif /* CONFIG_INFINIBAND_IPOIB_DEBUG */ 747aa0a1e58SJeff Roberson 748aa0a1e58SJeff Roberson #ifdef CONFIG_INFINIBAND_IPOIB_DEBUG_DATA 749aa0a1e58SJeff Roberson #define ipoib_dbg_data(priv, format, arg...) \ 750aa0a1e58SJeff Roberson do { \ 751aa0a1e58SJeff Roberson if (data_debug_level > 0) \ 752aa0a1e58SJeff Roberson ipoib_printk(KERN_DEBUG, priv, format , ## arg); \ 753aa0a1e58SJeff Roberson } while (0) 754aa0a1e58SJeff Roberson #else /* CONFIG_INFINIBAND_IPOIB_DEBUG_DATA */ 755aa0a1e58SJeff Roberson #define ipoib_dbg_data(priv, format, arg...) \ 756aa0a1e58SJeff Roberson do { (void) (priv); } while (0) 757aa0a1e58SJeff Roberson #endif /* CONFIG_INFINIBAND_IPOIB_DEBUG_DATA */ 758aa0a1e58SJeff Roberson 759aa0a1e58SJeff Roberson #define IPOIB_QPN(ha) (be32_to_cpup((__be32 *) ha) & 0xffffff) 760aa0a1e58SJeff Roberson 761aa0a1e58SJeff Roberson #endif /* _IPOIB_H */ 762