diff options
Diffstat (limited to 'drivers/infiniband')
-rw-r--r-- | drivers/infiniband/core/cm.c | 3 | ||||
-rw-r--r-- | drivers/infiniband/core/fmr_pool.c | 38 | ||||
-rw-r--r-- | drivers/infiniband/core/iwcm.c | 5 | ||||
-rw-r--r-- | drivers/infiniband/hw/cxgb3/iwch_mem.c | 10 | ||||
-rw-r--r-- | drivers/infiniband/hw/cxgb3/iwch_provider.c | 5 | ||||
-rw-r--r-- | drivers/infiniband/hw/nes/nes.c | 2 | ||||
-rw-r--r-- | drivers/infiniband/hw/nes/nes.h | 15 | ||||
-rw-r--r-- | drivers/infiniband/hw/nes/nes_cm.c | 15 | ||||
-rw-r--r-- | drivers/infiniband/hw/nes/nes_hw.c | 13 | ||||
-rw-r--r-- | drivers/infiniband/hw/nes/nes_hw.h | 2 | ||||
-rw-r--r-- | drivers/infiniband/hw/nes/nes_verbs.c | 10 | ||||
-rw-r--r-- | drivers/infiniband/ulp/iser/iser_verbs.c | 47 |
12 files changed, 92 insertions, 73 deletions
diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c index b10ade92efe..4df40515708 100644 --- a/drivers/infiniband/core/cm.c +++ b/drivers/infiniband/core/cm.c @@ -3759,6 +3759,7 @@ static void cm_remove_one(struct ib_device *device) port = cm_dev->port[i-1]; ib_modify_port(device, port->port_num, 0, &port_modify); ib_unregister_mad_agent(port->mad_agent); + flush_workqueue(cm.wq); cm_remove_port_fs(port); } kobject_put(&cm_dev->dev_obj); @@ -3813,6 +3814,7 @@ static void __exit ib_cm_cleanup(void) cancel_delayed_work(&timewait_info->work.work); spin_unlock_irq(&cm.lock); + ib_unregister_client(&cm_client); destroy_workqueue(cm.wq); list_for_each_entry_safe(timewait_info, tmp, &cm.timewait_list, list) { @@ -3820,7 +3822,6 @@ static void __exit ib_cm_cleanup(void) kfree(timewait_info); } - ib_unregister_client(&cm_client); class_unregister(&cm_class); idr_destroy(&cm.local_id_table); } diff --git a/drivers/infiniband/core/fmr_pool.c b/drivers/infiniband/core/fmr_pool.c index 7f00347364f..06d502c06a4 100644 --- a/drivers/infiniband/core/fmr_pool.c +++ b/drivers/infiniband/core/fmr_pool.c @@ -139,7 +139,7 @@ static inline struct ib_pool_fmr *ib_fmr_cache_lookup(struct ib_fmr_pool *pool, static void ib_fmr_batch_release(struct ib_fmr_pool *pool) { int ret; - struct ib_pool_fmr *fmr, *next; + struct ib_pool_fmr *fmr; LIST_HEAD(unmap_list); LIST_HEAD(fmr_list); @@ -158,20 +158,6 @@ static void ib_fmr_batch_release(struct ib_fmr_pool *pool) #endif } - /* - * The free_list may hold FMRs that have been put there - * because they haven't reached the max_remap count. - * Invalidate their mapping as well. - */ - list_for_each_entry_safe(fmr, next, &pool->free_list, list) { - if (fmr->remap_count == 0) - continue; - hlist_del_init(&fmr->cache_node); - fmr->remap_count = 0; - list_add_tail(&fmr->fmr->list, &fmr_list); - list_move(&fmr->list, &unmap_list); - } - list_splice(&pool->dirty_list, &unmap_list); INIT_LIST_HEAD(&pool->dirty_list); pool->dirty_len = 0; @@ -384,6 +370,11 @@ void ib_destroy_fmr_pool(struct ib_fmr_pool *pool) i = 0; list_for_each_entry_safe(fmr, tmp, &pool->free_list, list) { + if (fmr->remap_count) { + INIT_LIST_HEAD(&fmr_list); + list_add_tail(&fmr->fmr->list, &fmr_list); + ib_unmap_fmr(&fmr_list); + } ib_dealloc_fmr(fmr->fmr); list_del(&fmr->list); kfree(fmr); @@ -407,8 +398,23 @@ EXPORT_SYMBOL(ib_destroy_fmr_pool); */ int ib_flush_fmr_pool(struct ib_fmr_pool *pool) { - int serial = atomic_inc_return(&pool->req_ser); + int serial; + struct ib_pool_fmr *fmr, *next; + + /* + * The free_list holds FMRs that may have been used + * but have not been remapped enough times to be dirty. + * Put them on the dirty list now so that the cleanup + * thread will reap them too. + */ + spin_lock_irq(&pool->pool_lock); + list_for_each_entry_safe(fmr, next, &pool->free_list, list) { + if (fmr->remap_count > 0) + list_move(&fmr->list, &pool->dirty_list); + } + spin_unlock_irq(&pool->pool_lock); + serial = atomic_inc_return(&pool->req_ser); wake_up_process(pool->thread); if (wait_event_interruptible(pool->force_wait, diff --git a/drivers/infiniband/core/iwcm.c b/drivers/infiniband/core/iwcm.c index 223b1aa7d92..81c9195b512 100644 --- a/drivers/infiniband/core/iwcm.c +++ b/drivers/infiniband/core/iwcm.c @@ -839,6 +839,7 @@ static void cm_work_handler(struct work_struct *_work) unsigned long flags; int empty; int ret = 0; + int destroy_id; spin_lock_irqsave(&cm_id_priv->lock, flags); empty = list_empty(&cm_id_priv->work_list); @@ -857,9 +858,9 @@ static void cm_work_handler(struct work_struct *_work) destroy_cm_id(&cm_id_priv->id); } BUG_ON(atomic_read(&cm_id_priv->refcount)==0); + destroy_id = test_bit(IWCM_F_CALLBACK_DESTROY, &cm_id_priv->flags); if (iwcm_deref_id(cm_id_priv)) { - if (test_bit(IWCM_F_CALLBACK_DESTROY, - &cm_id_priv->flags)) { + if (destroy_id) { BUG_ON(!list_empty(&cm_id_priv->work_list)); free_cm_id(cm_id_priv); } diff --git a/drivers/infiniband/hw/cxgb3/iwch_mem.c b/drivers/infiniband/hw/cxgb3/iwch_mem.c index 73bfd1656f8..b8797c66676 100644 --- a/drivers/infiniband/hw/cxgb3/iwch_mem.c +++ b/drivers/infiniband/hw/cxgb3/iwch_mem.c @@ -136,14 +136,8 @@ int build_phys_page_list(struct ib_phys_buf *buffer_list, /* Find largest page shift we can use to cover buffers */ for (*shift = PAGE_SHIFT; *shift < 27; ++(*shift)) - if (num_phys_buf > 1) { - if ((1ULL << *shift) & mask) - break; - } else - if (1ULL << *shift >= - buffer_list[0].size + - (buffer_list[0].addr & ((1ULL << *shift) - 1))) - break; + if ((1ULL << *shift) & mask) + break; buffer_list[0].size += buffer_list[0].addr & ((1ULL << *shift) - 1); buffer_list[0].addr &= ~0ull << *shift; diff --git a/drivers/infiniband/hw/cxgb3/iwch_provider.c b/drivers/infiniband/hw/cxgb3/iwch_provider.c index df1838f8f94..b2ea9210467 100644 --- a/drivers/infiniband/hw/cxgb3/iwch_provider.c +++ b/drivers/infiniband/hw/cxgb3/iwch_provider.c @@ -189,7 +189,7 @@ static struct ib_cq *iwch_create_cq(struct ib_device *ibdev, int entries, int ve return ERR_PTR(-ENOMEM); } chp->rhp = rhp; - chp->ibcq.cqe = (1 << chp->cq.size_log2) - 1; + chp->ibcq.cqe = 1 << chp->cq.size_log2; spin_lock_init(&chp->lock); atomic_set(&chp->refcnt, 1); init_waitqueue_head(&chp->wait); @@ -819,8 +819,11 @@ static struct ib_qp *iwch_create_qp(struct ib_pd *pd, kfree(qhp); return ERR_PTR(-ENOMEM); } + attrs->cap.max_recv_wr = rqsize - 1; attrs->cap.max_send_wr = sqsize; + attrs->cap.max_inline_data = T3_MAX_INLINE; + qhp->rhp = rhp; qhp->attr.pd = php->pdid; qhp->attr.scq = ((struct iwch_cq *) attrs->send_cq)->cq.cqid; diff --git a/drivers/infiniband/hw/nes/nes.c b/drivers/infiniband/hw/nes/nes.c index 7f8853b44ee..b2112f5a422 100644 --- a/drivers/infiniband/hw/nes/nes.c +++ b/drivers/infiniband/hw/nes/nes.c @@ -567,12 +567,12 @@ static int __devinit nes_probe(struct pci_dev *pcidev, const struct pci_device_i /* Init the adapter */ nesdev->nesadapter = nes_init_adapter(nesdev, hw_rev); - nesdev->nesadapter->et_rx_coalesce_usecs_irq = interrupt_mod_interval; if (!nesdev->nesadapter) { printk(KERN_ERR PFX "Unable to initialize adapter.\n"); ret = -ENOMEM; goto bail5; } + nesdev->nesadapter->et_rx_coalesce_usecs_irq = interrupt_mod_interval; /* nesdev->base_doorbell_index = nesdev->nesadapter->pd_config_base[PCI_FUNC(nesdev->pcidev->devfn)]; */ diff --git a/drivers/infiniband/hw/nes/nes.h b/drivers/infiniband/hw/nes/nes.h index fd57e8a1582..a48b288618e 100644 --- a/drivers/infiniband/hw/nes/nes.h +++ b/drivers/infiniband/hw/nes/nes.h @@ -285,6 +285,21 @@ struct nes_device { }; +static inline __le32 get_crc_value(struct nes_v4_quad *nes_quad) +{ + u32 crc_value; + crc_value = crc32c(~0, (void *)nes_quad, sizeof (struct nes_v4_quad)); + + /* + * With commit ef19454b ("[LIB] crc32c: Keep intermediate crc + * state in cpu order"), behavior of crc32c changes on + * big-endian platforms. Our algorithm expects the previous + * behavior; otherwise we have RDMA connection establishment + * issue on big-endian. + */ + return cpu_to_le32(crc_value); +} + static inline void set_wqe_64bit_value(__le32 *wqe_words, u32 index, u64 value) { diff --git a/drivers/infiniband/hw/nes/nes_cm.c b/drivers/infiniband/hw/nes/nes_cm.c index bd5cfeaac20..39adb267fb1 100644 --- a/drivers/infiniband/hw/nes/nes_cm.c +++ b/drivers/infiniband/hw/nes/nes_cm.c @@ -370,11 +370,11 @@ int schedule_nes_timer(struct nes_cm_node *cm_node, struct sk_buff *skb, int ret = 0; u32 was_timer_set; + if (!cm_node) + return -EINVAL; new_send = kzalloc(sizeof(*new_send), GFP_ATOMIC); if (!new_send) return -1; - if (!cm_node) - return -EINVAL; /* new_send->timetosend = currenttime */ new_send->retrycount = NES_DEFAULT_RETRYS; @@ -947,6 +947,7 @@ static int mini_cm_dec_refcnt_listen(struct nes_cm_core *cm_core, nes_debug(NES_DBG_CM, "destroying listener (%p)\n", listener); kfree(listener); + listener = NULL; ret = 0; cm_listens_destroyed++; } else { @@ -2319,6 +2320,7 @@ int nes_accept(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param) struct iw_cm_event cm_event; struct nes_hw_qp_wqe *wqe; struct nes_v4_quad nes_quad; + u32 crc_value; int ret; ibqp = nes_get_qp(cm_id->device, conn_param->qpn); @@ -2435,8 +2437,8 @@ int nes_accept(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param) nes_quad.TcpPorts[1] = cm_id->local_addr.sin_port; /* Produce hash key */ - nesqp->hte_index = cpu_to_be32( - crc32c(~0, (void *)&nes_quad, sizeof(nes_quad)) ^ 0xffffffff); + crc_value = get_crc_value(&nes_quad); + nesqp->hte_index = cpu_to_be32(crc_value ^ 0xffffffff); nes_debug(NES_DBG_CM, "HTE Index = 0x%08X, CRC = 0x%08X\n", nesqp->hte_index, nesqp->hte_index & adapter->hte_index_mask); @@ -2750,6 +2752,7 @@ void cm_event_connected(struct nes_cm_event *event) struct iw_cm_event cm_event; struct nes_hw_qp_wqe *wqe; struct nes_v4_quad nes_quad; + u32 crc_value; int ret; /* get all our handles */ @@ -2827,8 +2830,8 @@ void cm_event_connected(struct nes_cm_event *event) nes_quad.TcpPorts[1] = cm_id->local_addr.sin_port; /* Produce hash key */ - nesqp->hte_index = cpu_to_be32( - crc32c(~0, (void *)&nes_quad, sizeof(nes_quad)) ^ 0xffffffff); + crc_value = get_crc_value(&nes_quad); + nesqp->hte_index = cpu_to_be32(crc_value ^ 0xffffffff); nes_debug(NES_DBG_CM, "HTE Index = 0x%08X, After CRC = 0x%08X\n", nesqp->hte_index, nesqp->hte_index & nesadapter->hte_index_mask); diff --git a/drivers/infiniband/hw/nes/nes_hw.c b/drivers/infiniband/hw/nes/nes_hw.c index 7c4c0fbf0ab..49e53e4c1eb 100644 --- a/drivers/infiniband/hw/nes/nes_hw.c +++ b/drivers/infiniband/hw/nes/nes_hw.c @@ -156,15 +156,14 @@ static void nes_nic_tune_timer(struct nes_device *nesdev) spin_lock_irqsave(&nesadapter->periodic_timer_lock, flags); - if (shared_timer->cq_count_old < cq_count) { - if (cq_count > shared_timer->threshold_low) - shared_timer->cq_direction_downward=0; - } - if (shared_timer->cq_count_old >= cq_count) + if (shared_timer->cq_count_old <= cq_count) + shared_timer->cq_direction_downward = 0; + else shared_timer->cq_direction_downward++; shared_timer->cq_count_old = cq_count; if (shared_timer->cq_direction_downward > NES_NIC_CQ_DOWNWARD_TREND) { - if (cq_count <= shared_timer->threshold_low) { + if (cq_count <= shared_timer->threshold_low && + shared_timer->threshold_low > 4) { shared_timer->threshold_low = shared_timer->threshold_low/2; shared_timer->cq_direction_downward=0; nesdev->currcq_count = 0; @@ -1728,7 +1727,6 @@ int nes_napi_isr(struct nes_device *nesdev) nesdev->int_req &= ~NES_INT_TIMER; nes_write32(nesdev->regs+NES_INTF_INT_MASK, ~(nesdev->intf_int_req)); nes_write32(nesdev->regs+NES_INT_MASK, ~nesdev->int_req); - nesadapter->tune_timer.timer_in_use_old = 0; } nesdev->deepcq_count = 0; return 1; @@ -1867,7 +1865,6 @@ void nes_dpc(unsigned long param) nesdev->int_req &= ~NES_INT_TIMER; nes_write32(nesdev->regs + NES_INTF_INT_MASK, ~(nesdev->intf_int_req)); nes_write32(nesdev->regs+NES_INT_MASK, ~nesdev->int_req); - nesdev->nesadapter->tune_timer.timer_in_use_old = 0; } else { nes_write32(nesdev->regs+NES_INT_MASK, 0x0000ffff|(~nesdev->int_req)); } diff --git a/drivers/infiniband/hw/nes/nes_hw.h b/drivers/infiniband/hw/nes/nes_hw.h index 1e10df550c9..b7e2844f096 100644 --- a/drivers/infiniband/hw/nes/nes_hw.h +++ b/drivers/infiniband/hw/nes/nes_hw.h @@ -962,7 +962,7 @@ struct nes_arp_entry { #define DEFAULT_JUMBO_NES_QL_LOW 12 #define DEFAULT_JUMBO_NES_QL_TARGET 40 #define DEFAULT_JUMBO_NES_QL_HIGH 128 -#define NES_NIC_CQ_DOWNWARD_TREND 8 +#define NES_NIC_CQ_DOWNWARD_TREND 16 struct nes_hw_tune_timer { //u16 cq_count; diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c index 4dafbe16e82..a651e9d9f0e 100644 --- a/drivers/infiniband/hw/nes/nes_verbs.c +++ b/drivers/infiniband/hw/nes/nes_verbs.c @@ -929,7 +929,7 @@ static struct ib_pd *nes_alloc_pd(struct ib_device *ibdev, NES_MAX_USER_DB_REGIONS, nesucontext->first_free_db); nes_debug(NES_DBG_PD, "find_first_zero_biton doorbells returned %u, mapping pd_id %u.\n", nespd->mmap_db_index, nespd->pd_id); - if (nespd->mmap_db_index > NES_MAX_USER_DB_REGIONS) { + if (nespd->mmap_db_index >= NES_MAX_USER_DB_REGIONS) { nes_debug(NES_DBG_PD, "mmap_db_index > MAX\n"); nes_free_resource(nesadapter, nesadapter->allocated_pds, pd_num); kfree(nespd); @@ -1327,7 +1327,7 @@ static struct ib_qp *nes_create_qp(struct ib_pd *ibpd, (long long unsigned int)req.user_wqe_buffers); nes_free_resource(nesadapter, nesadapter->allocated_qps, qp_num); kfree(nesqp->allocated_buffer); - return ERR_PTR(-ENOMEM); + return ERR_PTR(-EFAULT); } } @@ -1674,6 +1674,7 @@ static struct ib_cq *nes_create_cq(struct ib_device *ibdev, int entries, } nes_debug(NES_DBG_CQ, "CQ Virtual Address = %08lX, size = %u.\n", (unsigned long)req.user_cq_buffer, entries); + err = 1; list_for_each_entry(nespbl, &nes_ucontext->cq_reg_mem_list, list) { if (nespbl->user_base == (unsigned long )req.user_cq_buffer) { list_del(&nespbl->list); @@ -1686,7 +1687,7 @@ static struct ib_cq *nes_create_cq(struct ib_device *ibdev, int entries, if (err) { nes_free_resource(nesadapter, nesadapter->allocated_cqs, cq_num); kfree(nescq); - return ERR_PTR(err); + return ERR_PTR(-EFAULT); } pbl_entries = nespbl->pbl_size >> 3; @@ -1831,9 +1832,6 @@ static struct ib_cq *nes_create_cq(struct ib_device *ibdev, int entries, spin_unlock_irqrestore(&nesdev->cqp.lock, flags); } } - nes_debug(NES_DBG_CQ, "iWARP CQ%u create timeout expired, major code = 0x%04X," - " minor code = 0x%04X\n", - nescq->hw_cq.cq_number, cqp_request->major_code, cqp_request->minor_code); if (!context) pci_free_consistent(nesdev->pcidev, nescq->cq_mem_size, mem, nescq->hw_cq.cq_pbase); diff --git a/drivers/infiniband/ulp/iser/iser_verbs.c b/drivers/infiniband/ulp/iser/iser_verbs.c index 714b8db02b2..993f0a8ff28 100644 --- a/drivers/infiniband/ulp/iser/iser_verbs.c +++ b/drivers/infiniband/ulp/iser/iser_verbs.c @@ -237,36 +237,32 @@ static int iser_free_ib_conn_res(struct iser_conn *ib_conn) static struct iser_device *iser_device_find_by_ib_device(struct rdma_cm_id *cma_id) { - struct list_head *p_list; - struct iser_device *device = NULL; + struct iser_device *device; mutex_lock(&ig.device_list_mutex); - p_list = ig.device_list.next; - while (p_list != &ig.device_list) { - device = list_entry(p_list, struct iser_device, ig_list); + list_for_each_entry(device, &ig.device_list, ig_list) /* find if there's a match using the node GUID */ if (device->ib_device->node_guid == cma_id->device->node_guid) - break; - } + goto inc_refcnt; - if (device == NULL) { - device = kzalloc(sizeof *device, GFP_KERNEL); - if (device == NULL) - goto out; - /* assign this device to the device */ - device->ib_device = cma_id->device; - /* init the device and link it into ig device list */ - if (iser_create_device_ib_res(device)) { - kfree(device); - device = NULL; - goto out; - } - list_add(&device->ig_list, &ig.device_list); + device = kzalloc(sizeof *device, GFP_KERNEL); + if (device == NULL) + goto out; + + /* assign this device to the device */ + device->ib_device = cma_id->device; + /* init the device and link it into ig device list */ + if (iser_create_device_ib_res(device)) { + kfree(device); + device = NULL; + goto out; } -out: - BUG_ON(device == NULL); + list_add(&device->ig_list, &ig.device_list); + +inc_refcnt: device->refcount++; +out: mutex_unlock(&ig.device_list_mutex); return device; } @@ -372,6 +368,12 @@ static void iser_addr_handler(struct rdma_cm_id *cma_id) int ret; device = iser_device_find_by_ib_device(cma_id); + if (!device) { + iser_err("device lookup/creation failed\n"); + iser_connect_error(cma_id); + return; + } + ib_conn = (struct iser_conn *)cma_id->context; ib_conn->device = device; @@ -380,7 +382,6 @@ static void iser_addr_handler(struct rdma_cm_id *cma_id) iser_err("resolve route failed: %d\n", ret); iser_connect_error(cma_id); } - return; } static void iser_route_handler(struct rdma_cm_id *cma_id) |