| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Roland Dreier | 1659 | 51.00% | 15 | 13.89% |
| Michael S. Tsirkin | 626 | 19.24% | 11 | 10.19% |
| Yuval Shaia | 154 | 4.73% | 1 | 0.93% |
| Shlomo Pongratz | 138 | 4.24% | 3 | 2.78% |
| Erez Shitrit | 98 | 3.01% | 11 | 10.19% |
| Pradeep Satyanarayana | 82 | 2.52% | 2 | 1.85% |
| Eli Cohen | 70 | 2.15% | 9 | 8.33% |
| Or Gerlitz | 69 | 2.12% | 5 | 4.63% |
| Shirley Ma | 55 | 1.69% | 2 | 1.85% |
| Paolo Abeni | 38 | 1.17% | 1 | 0.93% |
| David Howells | 32 | 0.98% | 1 | 0.93% |
| Moni Shoua | 29 | 0.89% | 2 | 1.85% |
| Christoph Lameter | 25 | 0.77% | 3 | 2.78% |
| Eric Dumazet | 18 | 0.55% | 1 | 0.93% |
| Jack Wang | 14 | 0.43% | 1 | 0.93% |
| Doug Ledford | 14 | 0.43% | 4 | 3.70% |
| Yosef Etigin | 13 | 0.40% | 2 | 1.85% |
| Jason Gunthorpe | 11 | 0.34% | 3 | 2.78% |
| Mark Bloch | 10 | 0.31% | 2 | 1.85% |
| Denis Drozdov | 10 | 0.31% | 1 | 0.93% |
| Valentine Fatiev | 10 | 0.31% | 1 | 0.93% |
| Sean Hefty | 10 | 0.31% | 3 | 2.78% |
| Kamal Heib | 10 | 0.31% | 4 | 3.70% |
| Leonid Arsh | 8 | 0.25% | 1 | 0.93% |
| Stephen Hemminger | 7 | 0.22% | 1 | 0.93% |
| Hans Westgaard Ry | 6 | 0.18% | 1 | 0.93% |
| Ralph Campbell | 5 | 0.15% | 1 | 0.93% |
| Kees Cook | 4 | 0.12% | 1 | 0.93% |
| Feras Daoud | 4 | 0.12% | 1 | 0.93% |
| Zhu Yanjun | 3 | 0.09% | 2 | 1.85% |
| Dasaratharaman Chandramouli | 3 | 0.09% | 3 | 2.78% |
| Nikolay Borisov | 3 | 0.09% | 1 | 0.93% |
| Christoph Hellwig | 3 | 0.09% | 1 | 0.93% |
| Weihang Li | 2 | 0.06% | 1 | 0.93% |
| Ingo Molnar | 2 | 0.06% | 1 | 0.93% |
| Jack Morgenstein | 2 | 0.06% | 1 | 0.93% |
| Greg Kroah-Hartman | 2 | 0.06% | 1 | 0.93% |
| Vladimir Sokolovsky | 2 | 0.06% | 1 | 0.93% |
| Leon Romanovsky | 1 | 0.03% | 1 | 0.93% |
| Arun Sharma | 1 | 0.03% | 1 | 0.93% |
| Total | 3253 | 108 |
/* * Copyright (c) 2004, 2005 Topspin Communications. All rights reserved. * Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved. * Copyright (c) 2004 Voltaire, Inc. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU * General Public License (GPL) Version 2, available from the file * COPYING in the main directory of this source tree, or the * OpenIB.org BSD license below: * * Redistribution and use in source and binary forms, with or * without modification, are permitted provided that the following * conditions are met: * * - Redistributions of source code must retain the above * copyright notice, this list of conditions and the following * disclaimer. * * - Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following * disclaimer in the documentation and/or other materials * provided with the distribution. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ #ifndef _IPOIB_H #define _IPOIB_H #include <linux/list.h> #include <linux/skbuff.h> #include <linux/netdevice.h> #include <linux/workqueue.h> #include <linux/kref.h> #include <linux/if_infiniband.h> #include <linux/mutex.h> #include <net/neighbour.h> #include <net/sch_generic.h> #include <linux/atomic.h> #include <rdma/ib_verbs.h> #include <rdma/ib_pack.h> #include <rdma/ib_sa.h> #include <linux/sched.h> /* constants */ enum ipoib_flush_level { IPOIB_FLUSH_LIGHT, IPOIB_FLUSH_NORMAL, IPOIB_FLUSH_HEAVY }; enum { IPOIB_ENCAP_LEN = 4, IPOIB_PSEUDO_LEN = 20, IPOIB_HARD_LEN = IPOIB_ENCAP_LEN + IPOIB_PSEUDO_LEN, IPOIB_UD_HEAD_SIZE = IB_GRH_BYTES + IPOIB_ENCAP_LEN, IPOIB_UD_RX_SG = 2, /* max buffer needed for 4K mtu */ IPOIB_CM_MTU = 0x10000 - 0x10, /* padding to align header to 16 */ IPOIB_CM_BUF_SIZE = IPOIB_CM_MTU + IPOIB_ENCAP_LEN, IPOIB_CM_HEAD_SIZE = IPOIB_CM_BUF_SIZE % PAGE_SIZE, IPOIB_CM_RX_SG = ALIGN(IPOIB_CM_BUF_SIZE, PAGE_SIZE) / PAGE_SIZE, IPOIB_RX_RING_SIZE = 256, IPOIB_TX_RING_SIZE = 128, IPOIB_MAX_QUEUE_SIZE = 8192, IPOIB_MIN_QUEUE_SIZE = 2, IPOIB_CM_MAX_CONN_QP = 4096, IPOIB_NUM_WC = 4, IPOIB_MAX_PATH_REC_QUEUE = 3, IPOIB_MAX_MCAST_QUEUE = 64, IPOIB_FLAG_OPER_UP = 0, IPOIB_FLAG_INITIALIZED = 1, IPOIB_FLAG_ADMIN_UP = 2, IPOIB_PKEY_ASSIGNED = 3, IPOIB_FLAG_SUBINTERFACE = 5, IPOIB_STOP_REAPER = 7, IPOIB_FLAG_ADMIN_CM = 9, IPOIB_FLAG_UMCAST = 10, IPOIB_NEIGH_TBL_FLUSH = 12, IPOIB_FLAG_DEV_ADDR_SET = 13, IPOIB_FLAG_DEV_ADDR_CTRL = 14, IPOIB_MAX_BACKOFF_SECONDS = 16, IPOIB_MCAST_FLAG_FOUND = 0, /* used in set_multicast_list */ IPOIB_MCAST_FLAG_SENDONLY = 1, /* * For IPOIB_MCAST_FLAG_BUSY * When set, in flight join and mcast->mc is unreliable * When clear and mcast->mc IS_ERR_OR_NULL, need to restart or * haven't started yet * When clear and mcast->mc is valid pointer, join was successful */ IPOIB_MCAST_FLAG_BUSY = 2, IPOIB_MCAST_FLAG_ATTACHED = 3, MAX_SEND_CQE = 64, IPOIB_CM_COPYBREAK = 256, IPOIB_NON_CHILD = 0, IPOIB_LEGACY_CHILD = 1, IPOIB_RTNL_CHILD = 2, }; #define IPOIB_OP_RECV (1ul << 31) #ifdef CONFIG_INFINIBAND_IPOIB_CM #define IPOIB_OP_CM (1ul << 30) #else #define IPOIB_OP_CM (0) #endif #define IPOIB_QPN_MASK ((__force u32) cpu_to_be32(0xFFFFFF)) /* structs */ struct ipoib_header { __be16 proto; u16 reserved; }; struct ipoib_pseudo_header { u8 hwaddr[INFINIBAND_ALEN]; }; static inline void skb_add_pseudo_hdr(struct sk_buff *skb) { char *data = skb_push(skb, IPOIB_PSEUDO_LEN); /* * only the ipoib header is present now, make room for a dummy * pseudo header and set skb field accordingly */ memset(data, 0, IPOIB_PSEUDO_LEN); skb_reset_mac_header(skb); skb_pull(skb, IPOIB_HARD_LEN); } static inline struct ipoib_dev_priv *ipoib_priv(const struct net_device *dev) { struct rdma_netdev *rn = netdev_priv(dev); return rn->clnt_priv; } /* Used for all multicast joins (broadcast, IPv4 mcast and IPv6 mcast) */ struct ipoib_mcast { struct ib_sa_mcmember_rec mcmember; struct ib_sa_multicast *mc; struct ipoib_ah *ah; struct rb_node rb_node; struct list_head list; unsigned long created; unsigned long backoff; unsigned long delay_until; unsigned long flags; unsigned char logcount; struct list_head neigh_list; struct sk_buff_head pkt_queue; struct net_device *dev; struct completion done; }; struct ipoib_rx_buf { struct sk_buff *skb; u64 mapping[IPOIB_UD_RX_SG]; }; struct ipoib_tx_buf { struct sk_buff *skb; u64 mapping[MAX_SKB_FRAGS + 1]; }; struct ib_cm_id; struct ipoib_cm_data { __be32 qpn; /* High byte MUST be ignored on receive */ __be32 mtu; }; /* * Quoting 10.3.1 Queue Pair and EE Context States: * * Note, for QPs that are associated with an SRQ, the Consumer should take the * QP through the Error State before invoking a Destroy QP or a Modify QP to the * Reset State. The Consumer may invoke the Destroy QP without first performing * a Modify QP to the Error State and waiting for the Affiliated Asynchronous * Last WQE Reached Event. However, if the Consumer does not wait for the * Affiliated Asynchronous Last WQE Reached Event, then WQE and Data Segment * leakage may occur. Therefore, it is good programming practice to tear down a * QP that is associated with an SRQ by using the following process: * * - Put the QP in the Error State * - Wait for the Affiliated Asynchronous Last WQE Reached Event; * - either: * drain the CQ by invoking the Poll CQ verb and either wait for CQ * to be empty or the number of Poll CQ operations has exceeded * CQ capacity size; * - or * post another WR that completes on the same CQ and wait for this * WR to return as a WC; * - and then invoke a Destroy QP or Reset QP. * * We use the second option and wait for a completion on the * same CQ before destroying QPs attached to our SRQ. */ enum ipoib_cm_state { IPOIB_CM_RX_LIVE, IPOIB_CM_RX_ERROR, /* Ignored by stale task */ IPOIB_CM_RX_FLUSH /* Last WQE Reached event observed */ }; struct ipoib_cm_rx { struct ib_cm_id *id; struct ib_qp *qp; struct ipoib_cm_rx_buf *rx_ring; struct list_head list; struct net_device *dev; unsigned long jiffies; enum ipoib_cm_state state; int recv_count; }; struct ipoib_cm_tx { struct ib_cm_id *id; struct ib_qp *qp; struct list_head list; struct net_device *dev; struct ipoib_neigh *neigh; struct ipoib_tx_buf *tx_ring; unsigned int tx_head; unsigned int tx_tail; unsigned long flags; u32 mtu; unsigned int max_send_sge; }; struct ipoib_cm_rx_buf { struct sk_buff *skb; u64 mapping[IPOIB_CM_RX_SG]; }; struct ipoib_cm_dev_priv { struct ib_srq *srq; struct ipoib_cm_rx_buf *srq_ring; struct ib_cm_id *id; struct list_head passive_ids; /* state: LIVE */ struct list_head rx_error_list; /* state: ERROR */ struct list_head rx_flush_list; /* state: FLUSH, drain not started */ struct list_head rx_drain_list; /* state: FLUSH, drain started */ struct list_head rx_reap_list; /* state: FLUSH, drain done */ struct work_struct start_task; struct work_struct reap_task; struct work_struct skb_task; struct work_struct rx_reap_task; struct delayed_work stale_task; struct sk_buff_head skb_queue; struct list_head start_list; struct list_head reap_list; struct ib_wc ibwc[IPOIB_NUM_WC]; struct ib_sge rx_sge[IPOIB_CM_RX_SG]; struct ib_recv_wr rx_wr; int nonsrq_conn_qp; int max_cm_mtu; int num_frags; }; struct ipoib_ethtool_st { u16 coalesce_usecs; u16 max_coalesced_frames; }; struct ipoib_neigh_table; struct ipoib_neigh_hash { struct ipoib_neigh_table *ntbl; struct ipoib_neigh __rcu **buckets; struct rcu_head rcu; u32 mask; u32 size; }; struct ipoib_neigh_table { struct ipoib_neigh_hash __rcu *htbl; atomic_t entries; struct completion flushed; struct completion deleted; }; struct ipoib_qp_state_validate { struct work_struct work; struct ipoib_dev_priv *priv; }; /* * Device private locking: network stack tx_lock protects members used * in TX fast path, lock protects everything else. lock nests inside * of tx_lock (ie tx_lock must be acquired first if needed). */ struct ipoib_dev_priv { spinlock_t lock; struct net_device *dev; void (*next_priv_destructor)(struct net_device *dev); struct napi_struct send_napi; struct napi_struct recv_napi; unsigned long flags; /* * This protects access to the child_intfs list. * To READ from child_intfs the RTNL or vlan_rwsem read side must be * held. To WRITE RTNL and the vlan_rwsem write side must be held (in * that order) This lock exists because we have a few contexts where * we need the child_intfs, but do not want to grab the RTNL. */ struct rw_semaphore vlan_rwsem; struct mutex mcast_mutex; struct rb_root path_tree; struct list_head path_list; struct ipoib_neigh_table ntbl; struct ipoib_mcast *broadcast; struct list_head multicast_list; struct rb_root multicast_tree; struct workqueue_struct *wq; struct delayed_work mcast_task; struct work_struct carrier_on_task; struct work_struct reschedule_napi_work; struct work_struct flush_light; struct work_struct flush_normal; struct work_struct flush_heavy; struct work_struct restart_task; struct work_struct tx_timeout_work; struct delayed_work ah_reap_task; struct delayed_work neigh_reap_task; struct ib_device *ca; u8 port; u16 pkey; u16 pkey_index; struct ib_pd *pd; struct ib_cq *recv_cq; struct ib_cq *send_cq; struct ib_qp *qp; u32 qkey; union ib_gid local_gid; u32 local_lid; unsigned int admin_mtu; unsigned int mcast_mtu; unsigned int max_ib_mtu; struct ipoib_rx_buf *rx_ring; struct ipoib_tx_buf *tx_ring; /* cyclic ring variables for managing tx_ring, for UD only */ unsigned int tx_head; unsigned int tx_tail; /* cyclic ring variables for counting overall outstanding send WRs */ unsigned int global_tx_head; unsigned int global_tx_tail; struct ib_sge tx_sge[MAX_SKB_FRAGS + 1]; struct ib_ud_wr tx_wr; struct ib_wc send_wc[MAX_SEND_CQE]; struct ib_recv_wr rx_wr; struct ib_sge rx_sge[IPOIB_UD_RX_SG]; struct ib_wc ibwc[IPOIB_NUM_WC]; struct list_head dead_ahs; struct ib_event_handler event_handler; struct net_device *parent; struct list_head child_intfs; struct list_head list; int child_type; #ifdef CONFIG_INFINIBAND_IPOIB_CM struct ipoib_cm_dev_priv cm; #endif #ifdef CONFIG_INFINIBAND_IPOIB_DEBUG struct list_head fs_list; struct dentry *mcg_dentry; struct dentry *path_dentry; #endif u64 hca_caps; u64 kernel_caps; struct ipoib_ethtool_st ethtool; unsigned int max_send_sge; const struct net_device_ops *rn_ops; }; struct ipoib_ah { struct net_device *dev; struct ib_ah *ah; struct list_head list; struct kref ref; unsigned int last_send; int valid; }; struct ipoib_path { struct net_device *dev; struct sa_path_rec pathrec; struct ipoib_ah *ah; struct sk_buff_head queue; struct list_head neigh_list; int query_id; struct ib_sa_query *query; struct completion done; struct rb_node rb_node; struct list_head list; }; struct ipoib_neigh { struct ipoib_ah *ah; #ifdef CONFIG_INFINIBAND_IPOIB_CM struct ipoib_cm_tx *cm; #endif u8 daddr[INFINIBAND_ALEN]; struct sk_buff_head queue; struct net_device *dev; struct list_head list; struct ipoib_neigh __rcu *hnext; struct rcu_head rcu; refcount_t refcnt; unsigned long alive; }; #define IPOIB_UD_MTU(ib_mtu) (ib_mtu - IPOIB_ENCAP_LEN) #define IPOIB_UD_BUF_SIZE(ib_mtu) (ib_mtu + IB_GRH_BYTES) void ipoib_neigh_dtor(struct ipoib_neigh *neigh); static inline void ipoib_neigh_put(struct ipoib_neigh *neigh) { if (refcount_dec_and_test(&neigh->refcnt)) ipoib_neigh_dtor(neigh); } struct ipoib_neigh *ipoib_neigh_get(struct net_device *dev, u8 *daddr); struct ipoib_neigh *ipoib_neigh_alloc(u8 *daddr, struct net_device *dev); void ipoib_neigh_free(struct ipoib_neigh *neigh); void ipoib_del_neighs_by_gid(struct net_device *dev, u8 *gid); extern struct workqueue_struct *ipoib_workqueue; /* functions */ int ipoib_rx_poll(struct napi_struct *napi, int budget); int ipoib_tx_poll(struct napi_struct *napi, int budget); void ipoib_ib_rx_completion(struct ib_cq *cq, void *ctx_ptr); void ipoib_ib_tx_completion(struct ib_cq *cq, void *ctx_ptr); struct ipoib_ah *ipoib_create_ah(struct net_device *dev, struct ib_pd *pd, struct rdma_ah_attr *attr); void ipoib_free_ah(struct kref *kref); static inline void ipoib_put_ah(struct ipoib_ah *ah) { kref_put(&ah->ref, ipoib_free_ah); } int ipoib_open(struct net_device *dev); void ipoib_intf_free(struct net_device *dev); int ipoib_add_pkey_attr(struct net_device *dev); int ipoib_add_umcast_attr(struct net_device *dev); int ipoib_send(struct net_device *dev, struct sk_buff *skb, struct ib_ah *address, u32 dqpn); void ipoib_reap_ah(struct work_struct *work); void ipoib_napi_schedule_work(struct work_struct *work); struct ipoib_path *__path_find(struct net_device *dev, void *gid); void ipoib_mark_paths_invalid(struct net_device *dev); void ipoib_flush_paths(struct net_device *dev); struct net_device *ipoib_intf_alloc(struct ib_device *hca, u32 port, const char *format); int ipoib_intf_init(struct ib_device *hca, u32 port, const char *format, struct net_device *dev); void ipoib_ib_tx_timer_func(struct timer_list *t); void ipoib_ib_dev_flush_light(struct work_struct *work); void ipoib_ib_dev_flush_normal(struct work_struct *work); void ipoib_ib_dev_flush_heavy(struct work_struct *work); void ipoib_ib_tx_timeout_work(struct work_struct *work); void ipoib_pkey_event(struct work_struct *work); void ipoib_ib_dev_cleanup(struct net_device *dev); int ipoib_ib_dev_open_default(struct net_device *dev); int ipoib_ib_dev_open(struct net_device *dev); void ipoib_ib_dev_stop(struct net_device *dev); void ipoib_ib_dev_up(struct net_device *dev); void ipoib_ib_dev_down(struct net_device *dev); int ipoib_ib_dev_stop_default(struct net_device *dev); void ipoib_pkey_dev_check_presence(struct net_device *dev); void ipoib_mcast_join_task(struct work_struct *work); void ipoib_mcast_carrier_on_task(struct work_struct *work); void ipoib_mcast_send(struct net_device *dev, u8 *daddr, struct sk_buff *skb); void ipoib_mcast_restart_task(struct work_struct *work); void ipoib_mcast_start_thread(struct net_device *dev); void ipoib_mcast_stop_thread(struct net_device *dev); void ipoib_mcast_dev_down(struct net_device *dev); void ipoib_mcast_dev_flush(struct net_device *dev); int ipoib_dma_map_tx(struct ib_device *ca, struct ipoib_tx_buf *tx_req); void ipoib_dma_unmap_tx(struct ipoib_dev_priv *priv, struct ipoib_tx_buf *tx_req); struct rtnl_link_ops *ipoib_get_link_ops(void); static inline void ipoib_build_sge(struct ipoib_dev_priv *priv, struct ipoib_tx_buf *tx_req) { int i, off; struct sk_buff *skb = tx_req->skb; skb_frag_t *frags = skb_shinfo(skb)->frags; int nr_frags = skb_shinfo(skb)->nr_frags; u64 *mapping = tx_req->mapping; if (skb_headlen(skb)) { priv->tx_sge[0].addr = mapping[0]; priv->tx_sge[0].length = skb_headlen(skb); off = 1; } else off = 0; for (i = 0; i < nr_frags; ++i) { priv->tx_sge[i + off].addr = mapping[i + off]; priv->tx_sge[i + off].length = skb_frag_size(&frags[i]); } priv->tx_wr.wr.num_sge = nr_frags + off; } #ifdef CONFIG_INFINIBAND_IPOIB_DEBUG struct ipoib_mcast_iter *ipoib_mcast_iter_init(struct net_device *dev); int ipoib_mcast_iter_next(struct ipoib_mcast_iter *iter); void ipoib_mcast_iter_read(struct ipoib_mcast_iter *iter, union ib_gid *gid, unsigned long *created, unsigned int *queuelen, unsigned int *complete, unsigned int *send_only); struct ipoib_path_iter *ipoib_path_iter_init(struct net_device *dev); int ipoib_path_iter_next(struct ipoib_path_iter *iter); void ipoib_path_iter_read(struct ipoib_path_iter *iter, struct ipoib_path *path); #endif int ipoib_mcast_attach(struct net_device *dev, struct ib_device *hca, union ib_gid *mgid, u16 mlid, int set_qkey, u32 qkey); int ipoib_mcast_detach(struct net_device *dev, struct ib_device *hca, union ib_gid *mgid, u16 mlid); void ipoib_mcast_remove_list(struct list_head *remove_list); void ipoib_check_and_add_mcast_sendonly(struct ipoib_dev_priv *priv, u8 *mgid, struct list_head *remove_list); int ipoib_init_qp(struct net_device *dev); int ipoib_transport_dev_init(struct net_device *dev, struct ib_device *ca); void ipoib_transport_dev_cleanup(struct net_device *dev); void ipoib_event(struct ib_event_handler *handler, struct ib_event *record); int ipoib_vlan_add(struct net_device *pdev, unsigned short pkey); int ipoib_vlan_delete(struct net_device *pdev, unsigned short pkey); int __ipoib_vlan_add(struct ipoib_dev_priv *ppriv, struct ipoib_dev_priv *priv, u16 pkey, int child_type); int __init ipoib_netlink_init(void); void __exit ipoib_netlink_fini(void); void ipoib_set_umcast(struct net_device *ndev, int umcast_val); int ipoib_set_mode(struct net_device *dev, const char *buf); void ipoib_setup_common(struct net_device *dev); void ipoib_pkey_open(struct ipoib_dev_priv *priv); void ipoib_drain_cq(struct net_device *dev); void ipoib_set_ethtool_ops(struct net_device *dev); #define IPOIB_FLAGS_RC 0x80 #define IPOIB_FLAGS_UC 0x40 /* We don't support UC connections at the moment */ #define IPOIB_CM_SUPPORTED(ha) (ha[0] & (IPOIB_FLAGS_RC)) #ifdef CONFIG_INFINIBAND_IPOIB_CM extern int ipoib_max_conn_qp; static inline int ipoib_cm_admin_enabled(struct net_device *dev) { struct ipoib_dev_priv *priv = ipoib_priv(dev); return IPOIB_CM_SUPPORTED(dev->dev_addr) && test_bit(IPOIB_FLAG_ADMIN_CM, &priv->flags); } static inline int ipoib_cm_enabled(struct net_device *dev, u8 *hwaddr) { struct ipoib_dev_priv *priv = ipoib_priv(dev); return IPOIB_CM_SUPPORTED(hwaddr) && test_bit(IPOIB_FLAG_ADMIN_CM, &priv->flags); } static inline int ipoib_cm_up(struct ipoib_neigh *neigh) { return test_bit(IPOIB_FLAG_OPER_UP, &neigh->cm->flags); } static inline struct ipoib_cm_tx *ipoib_cm_get(struct ipoib_neigh *neigh) { return neigh->cm; } static inline void ipoib_cm_set(struct ipoib_neigh *neigh, struct ipoib_cm_tx *tx) { neigh->cm = tx; } static inline int ipoib_cm_has_srq(struct net_device *dev) { struct ipoib_dev_priv *priv = ipoib_priv(dev); return !!priv->cm.srq; } static inline unsigned int ipoib_cm_max_mtu(struct net_device *dev) { struct ipoib_dev_priv *priv = ipoib_priv(dev); return priv->cm.max_cm_mtu; } void ipoib_cm_send(struct net_device *dev, struct sk_buff *skb, struct ipoib_cm_tx *tx); int ipoib_cm_dev_open(struct net_device *dev); void ipoib_cm_dev_stop(struct net_device *dev); int ipoib_cm_dev_init(struct net_device *dev); int ipoib_cm_add_mode_attr(struct net_device *dev); void ipoib_cm_dev_cleanup(struct net_device *dev); struct ipoib_cm_tx *ipoib_cm_create_tx(struct net_device *dev, struct ipoib_path *path, struct ipoib_neigh *neigh); void ipoib_cm_destroy_tx(struct ipoib_cm_tx *tx); void ipoib_cm_skb_too_long(struct net_device *dev, struct sk_buff *skb, unsigned int mtu); void ipoib_cm_handle_rx_wc(struct net_device *dev, struct ib_wc *wc); void ipoib_cm_handle_tx_wc(struct net_device *dev, struct ib_wc *wc); #else #define ipoib_max_conn_qp 0 static inline int ipoib_cm_admin_enabled(struct net_device *dev) { return 0; } static inline int ipoib_cm_enabled(struct net_device *dev, u8 *hwaddr) { return 0; } static inline int ipoib_cm_up(struct ipoib_neigh *neigh) { return 0; } static inline struct ipoib_cm_tx *ipoib_cm_get(struct ipoib_neigh *neigh) { return NULL; } static inline void ipoib_cm_set(struct ipoib_neigh *neigh, struct ipoib_cm_tx *tx) { } static inline int ipoib_cm_has_srq(struct net_device *dev) { return 0; } static inline unsigned int ipoib_cm_max_mtu(struct net_device *dev) { return 0; } static inline void ipoib_cm_send(struct net_device *dev, struct sk_buff *skb, struct ipoib_cm_tx *tx) { return; } static inline int ipoib_cm_dev_open(struct net_device *dev) { return 0; } static inline void ipoib_cm_dev_stop(struct net_device *dev) { return; } static inline int ipoib_cm_dev_init(struct net_device *dev) { return -EOPNOTSUPP; } static inline void ipoib_cm_dev_cleanup(struct net_device *dev) { return; } static inline struct ipoib_cm_tx *ipoib_cm_create_tx(struct net_device *dev, struct ipoib_path *path, struct ipoib_neigh *neigh) { return NULL; } static inline void ipoib_cm_destroy_tx(struct ipoib_cm_tx *tx) { return; } static inline int ipoib_cm_add_mode_attr(struct net_device *dev) { return 0; } static inline void ipoib_cm_skb_too_long(struct net_device *dev, struct sk_buff *skb, unsigned int mtu) { dev_kfree_skb_any(skb); } static inline void ipoib_cm_handle_rx_wc(struct net_device *dev, struct ib_wc *wc) { } static inline void ipoib_cm_handle_tx_wc(struct net_device *dev, struct ib_wc *wc) { } #endif #ifdef CONFIG_INFINIBAND_IPOIB_DEBUG void ipoib_create_debug_files(struct net_device *dev); void ipoib_delete_debug_files(struct net_device *dev); void ipoib_register_debugfs(void); void ipoib_unregister_debugfs(void); #else static inline void ipoib_create_debug_files(struct net_device *dev) { } static inline void ipoib_delete_debug_files(struct net_device *dev) { } static inline void ipoib_register_debugfs(void) { } static inline void ipoib_unregister_debugfs(void) { } #endif #define ipoib_printk(level, priv, format, arg...) \ printk(level "%s: " format, ((struct ipoib_dev_priv *) priv)->dev->name , ## arg) #define ipoib_warn(priv, format, arg...) \ do { \ static DEFINE_RATELIMIT_STATE(_rs, \ 10 * HZ /*10 seconds */, \ 100); \ if (__ratelimit(&_rs)) \ ipoib_printk(KERN_WARNING, priv, format , ## arg);\ } while (0) extern int ipoib_sendq_size; extern int ipoib_recvq_size; extern struct ib_sa_client ipoib_sa_client; #ifdef CONFIG_INFINIBAND_IPOIB_DEBUG extern int ipoib_debug_level; #define ipoib_dbg(priv, format, arg...) \ do { \ if (ipoib_debug_level > 0) \ ipoib_printk(KERN_DEBUG, priv, format , ## arg); \ } while (0) #define ipoib_dbg_mcast(priv, format, arg...) \ do { \ if (mcast_debug_level > 0) \ ipoib_printk(KERN_DEBUG, priv, format , ## arg); \ } while (0) #else /* CONFIG_INFINIBAND_IPOIB_DEBUG */ #define ipoib_dbg(priv, format, arg...) \ do { (void) (priv); } while (0) #define ipoib_dbg_mcast(priv, format, arg...) \ do { (void) (priv); } while (0) #endif /* CONFIG_INFINIBAND_IPOIB_DEBUG */ #ifdef CONFIG_INFINIBAND_IPOIB_DEBUG_DATA #define ipoib_dbg_data(priv, format, arg...) \ do { \ if (data_debug_level > 0) \ ipoib_printk(KERN_DEBUG, priv, format , ## arg); \ } while (0) #else /* CONFIG_INFINIBAND_IPOIB_DEBUG_DATA */ #define ipoib_dbg_data(priv, format, arg...) \ do { (void) (priv); } while (0) #endif /* CONFIG_INFINIBAND_IPOIB_DEBUG_DATA */ #define IPOIB_QPN(ha) (be32_to_cpup((__be32 *) ha) & 0xffffff) #endif /* _IPOIB_H */
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