diff options
Diffstat (limited to 'drivers/infiniband')
45 files changed, 1770 insertions, 341 deletions
diff --git a/drivers/infiniband/core/agent.c b/drivers/infiniband/core/agent.c index ae7c2880e62..91916a8d5de 100644 --- a/drivers/infiniband/core/agent.c +++ b/drivers/infiniband/core/agent.c @@ -59,8 +59,8 @@ __ib_get_agent_port(struct ib_device *device, int port_num) struct ib_agent_port_private *entry; list_for_each_entry(entry, &ib_agent_port_list, port_list) { - if (entry->agent[0]->device == device && - entry->agent[0]->port_num == port_num) + if (entry->agent[1]->device == device && + entry->agent[1]->port_num == port_num) return entry; } return NULL; @@ -155,14 +155,16 @@ int ib_agent_port_open(struct ib_device *device, int port_num) goto error1; } - /* Obtain send only MAD agent for SMI QP */ - port_priv->agent[0] = ib_register_mad_agent(device, port_num, - IB_QPT_SMI, NULL, 0, - &agent_send_handler, - NULL, NULL); - if (IS_ERR(port_priv->agent[0])) { - ret = PTR_ERR(port_priv->agent[0]); - goto error2; + if (rdma_port_get_link_layer(device, port_num) == IB_LINK_LAYER_INFINIBAND) { + /* Obtain send only MAD agent for SMI QP */ + port_priv->agent[0] = ib_register_mad_agent(device, port_num, + IB_QPT_SMI, NULL, 0, + &agent_send_handler, + NULL, NULL); + if (IS_ERR(port_priv->agent[0])) { + ret = PTR_ERR(port_priv->agent[0]); + goto error2; + } } /* Obtain send only MAD agent for GSI QP */ @@ -182,7 +184,8 @@ int ib_agent_port_open(struct ib_device *device, int port_num) return 0; error3: - ib_unregister_mad_agent(port_priv->agent[0]); + if (port_priv->agent[0]) + ib_unregister_mad_agent(port_priv->agent[0]); error2: kfree(port_priv); error1: @@ -205,7 +208,9 @@ int ib_agent_port_close(struct ib_device *device, int port_num) spin_unlock_irqrestore(&ib_agent_port_list_lock, flags); ib_unregister_mad_agent(port_priv->agent[1]); - ib_unregister_mad_agent(port_priv->agent[0]); + if (port_priv->agent[0]) + ib_unregister_mad_agent(port_priv->agent[0]); + kfree(port_priv); return 0; } diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c index b930b8110a6..6884da24fde 100644 --- a/drivers/infiniband/core/cma.c +++ b/drivers/infiniband/core/cma.c @@ -59,6 +59,7 @@ MODULE_LICENSE("Dual BSD/GPL"); #define CMA_CM_RESPONSE_TIMEOUT 20 #define CMA_MAX_CM_RETRIES 15 #define CMA_CM_MRA_SETTING (IB_CM_MRA_FLAG_DELAY | 24) +#define CMA_IBOE_PACKET_LIFETIME 18 static void cma_add_one(struct ib_device *device); static void cma_remove_one(struct ib_device *device); @@ -157,6 +158,7 @@ struct cma_multicast { struct list_head list; void *context; struct sockaddr_storage addr; + struct kref mcref; }; struct cma_work { @@ -173,6 +175,12 @@ struct cma_ndev_work { struct rdma_cm_event event; }; +struct iboe_mcast_work { + struct work_struct work; + struct rdma_id_private *id; + struct cma_multicast *mc; +}; + union cma_ip_addr { struct in6_addr ip6; struct { @@ -281,6 +289,8 @@ static void cma_attach_to_dev(struct rdma_id_private *id_priv, atomic_inc(&cma_dev->refcount); id_priv->cma_dev = cma_dev; id_priv->id.device = cma_dev->device; + id_priv->id.route.addr.dev_addr.transport = + rdma_node_get_transport(cma_dev->device->node_type); list_add_tail(&id_priv->list, &cma_dev->id_list); } @@ -290,6 +300,14 @@ static inline void cma_deref_dev(struct cma_device *cma_dev) complete(&cma_dev->comp); } +static inline void release_mc(struct kref *kref) +{ + struct cma_multicast *mc = container_of(kref, struct cma_multicast, mcref); + + kfree(mc->multicast.ib); + kfree(mc); +} + static void cma_detach_from_dev(struct rdma_id_private *id_priv) { list_del(&id_priv->list); @@ -323,22 +341,63 @@ static int cma_set_qkey(struct rdma_id_private *id_priv) return ret; } +static int find_gid_port(struct ib_device *device, union ib_gid *gid, u8 port_num) +{ + int i; + int err; + struct ib_port_attr props; + union ib_gid tmp; + + err = ib_query_port(device, port_num, &props); + if (err) + return 1; + + for (i = 0; i < props.gid_tbl_len; ++i) { + err = ib_query_gid(device, port_num, i, &tmp); + if (err) + return 1; + if (!memcmp(&tmp, gid, sizeof tmp)) + return 0; + } + + return -EAGAIN; +} + static int cma_acquire_dev(struct rdma_id_private *id_priv) { struct rdma_dev_addr *dev_addr = &id_priv->id.route.addr.dev_addr; struct cma_device *cma_dev; - union ib_gid gid; + union ib_gid gid, iboe_gid; int ret = -ENODEV; + u8 port; + enum rdma_link_layer dev_ll = dev_addr->dev_type == ARPHRD_INFINIBAND ? + IB_LINK_LAYER_INFINIBAND : IB_LINK_LAYER_ETHERNET; - rdma_addr_get_sgid(dev_addr, &gid); + iboe_addr_get_sgid(dev_addr, &iboe_gid); + memcpy(&gid, dev_addr->src_dev_addr + + rdma_addr_gid_offset(dev_addr), sizeof gid); list_for_each_entry(cma_dev, &dev_list, list) { - ret = ib_find_cached_gid(cma_dev->device, &gid, - &id_priv->id.port_num, NULL); - if (!ret) { - cma_attach_to_dev(id_priv, cma_dev); - break; + for (port = 1; port <= cma_dev->device->phys_port_cnt; ++port) { + if (rdma_port_get_link_layer(cma_dev->device, port) == dev_ll) { + if (rdma_node_get_transport(cma_dev->device->node_type) == RDMA_TRANSPORT_IB && + rdma_port_get_link_layer(cma_dev->device, port) == IB_LINK_LAYER_ETHERNET) + ret = find_gid_port(cma_dev->device, &iboe_gid, port); + else + ret = find_gid_port(cma_dev->device, &gid, port); + + if (!ret) { + id_priv->id.port_num = port; + goto out; + } else if (ret == 1) + break; + } } } + +out: + if (!ret) + cma_attach_to_dev(id_priv, cma_dev); + return ret; } @@ -556,10 +615,16 @@ static int cma_ib_init_qp_attr(struct rdma_id_private *id_priv, { struct rdma_dev_addr *dev_addr = &id_priv->id.route.addr.dev_addr; int ret; + u16 pkey; + + if (rdma_port_get_link_layer(id_priv->id.device, id_priv->id.port_num) == + IB_LINK_LAYER_INFINIBAND) + pkey = ib_addr_get_pkey(dev_addr); + else + pkey = 0xffff; ret = ib_find_cached_pkey(id_priv->id.device, id_priv->id.port_num, - ib_addr_get_pkey(dev_addr), - &qp_attr->pkey_index); + pkey, &qp_attr->pkey_index); if (ret) return ret; @@ -737,8 +802,8 @@ static inline int cma_user_data_offset(enum rdma_port_space ps) static void cma_cancel_route(struct rdma_id_private *id_priv) { - switch (rdma_node_get_transport(id_priv->id.device->node_type)) { - case RDMA_TRANSPORT_IB: + switch (rdma_port_get_link_layer(id_priv->id.device, id_priv->id.port_num)) { + case IB_LINK_LAYER_INFINIBAND: if (id_priv->query) ib_sa_cancel_query(id_priv->query_id, id_priv->query); break; @@ -816,8 +881,17 @@ static void cma_leave_mc_groups(struct rdma_id_private *id_priv) mc = container_of(id_priv->mc_list.next, struct cma_multicast, list); list_del(&mc->list); - ib_sa_free_multicast(mc->multicast.ib); - kfree(mc); + switch (rdma_port_get_link_layer(id_priv->cma_dev->device, id_priv->id.port_num)) { + case IB_LINK_LAYER_INFINIBAND: + ib_sa_free_multicast(mc->multicast.ib); + kfree(mc); + break; + case IB_LINK_LAYER_ETHERNET: + kref_put(&mc->mcref, release_mc); + break; + default: + break; + } } } @@ -833,7 +907,7 @@ void rdma_destroy_id(struct rdma_cm_id *id) mutex_lock(&lock); if (id_priv->cma_dev) { mutex_unlock(&lock); - switch (rdma_node_get_transport(id->device->node_type)) { + switch (rdma_node_get_transport(id_priv->id.device->node_type)) { case RDMA_TRANSPORT_IB: if (id_priv->cm_id.ib && !IS_ERR(id_priv->cm_id.ib)) ib_destroy_cm_id(id_priv->cm_id.ib); @@ -1708,6 +1782,81 @@ static int cma_resolve_iw_route(struct rdma_id_private *id_priv, int timeout_ms) return 0; } +static int cma_resolve_iboe_route(struct rdma_id_private *id_priv) +{ + struct rdma_route *route = &id_priv->id.route; + struct rdma_addr *addr = &route->addr; + struct cma_work *work; + int ret; + struct sockaddr_in *src_addr = (struct sockaddr_in *)&route->addr.src_addr; + struct sockaddr_in *dst_addr = (struct sockaddr_in *)&route->addr.dst_addr; + struct net_device *ndev = NULL; + u16 vid; + + if (src_addr->sin_family != dst_addr->sin_family) + return -EINVAL; + + work = kzalloc(sizeof *work, GFP_KERNEL); + if (!work) + return -ENOMEM; + + work->id = id_priv; + INIT_WORK(&work->work, cma_work_handler); + + route->path_rec = kzalloc(sizeof *route->path_rec, GFP_KERNEL); + if (!route->path_rec) { + ret = -ENOMEM; + goto err1; + } + + route->num_paths = 1; + + if (addr->dev_addr.bound_dev_if) + ndev = dev_get_by_index(&init_net, addr->dev_addr.bound_dev_if); + if (!ndev) { + ret = -ENODEV; + goto err2; + } + + vid = rdma_vlan_dev_vlan_id(ndev); + + iboe_mac_vlan_to_ll(&route->path_rec->sgid, addr->dev_addr.src_dev_addr, vid); + iboe_mac_vlan_to_ll(&route->path_rec->dgid, addr->dev_addr.dst_dev_addr, vid); + + route->path_rec->hop_limit = 1; + route->path_rec->reversible = 1; + route->path_rec->pkey = cpu_to_be16(0xffff); + route->path_rec->mtu_selector = IB_SA_EQ; + route->path_rec->sl = id_priv->tos >> 5; + + route->path_rec->mtu = iboe_get_mtu(ndev->mtu); + route->path_rec->rate_selector = IB_SA_EQ; + route->path_rec->rate = iboe_get_rate(ndev); + dev_put(ndev); + route->path_rec->packet_life_time_selector = IB_SA_EQ; + route->path_rec->packet_life_time = CMA_IBOE_PACKET_LIFETIME; + if (!route->path_rec->mtu) { + ret = -EINVAL; + goto err2; + } + + work->old_state = CMA_ROUTE_QUERY; + work->new_state = CMA_ROUTE_RESOLVED; + work->event.event = RDMA_CM_EVENT_ROUTE_RESOLVED; + work->event.status = 0; + + queue_work(cma_wq, &work->work); + + return 0; + +err2: + kfree(route->path_rec); + route->path_rec = NULL; +err1: + kfree(work); + return ret; +} + int rdma_resolve_route(struct rdma_cm_id *id, int timeout_ms) { struct rdma_id_private *id_priv; @@ -1720,7 +1869,16 @@ int rdma_resolve_route(struct rdma_cm_id *id, int timeout_ms) atomic_inc(&id_priv->refcount); switch (rdma_node_get_transport(id->device->node_type)) { case RDMA_TRANSPORT_IB: - ret = cma_resolve_ib_route(id_priv, timeout_ms); + switch (rdma_port_get_link_layer(id->device, id->port_num)) { + case IB_LINK_LAYER_INFINIBAND: + ret = cma_resolve_ib_route(id_priv, timeout_ms); + break; + case IB_LINK_LAYER_ETHERNET: + ret = cma_resolve_iboe_route(id_priv); + break; + default: + ret = -ENOSYS; + } break; case RDMA_TRANSPORT_IWARP: ret = cma_resolve_iw_route(id_priv, timeout_ms); @@ -1773,7 +1931,7 @@ port_found: goto out; id_priv->id.route.addr.dev_addr.dev_type = - (rdma_node_get_transport(cma_dev->device->node_type) == RDMA_TRANSPORT_IB) ? + (rdma_port_get_link_layer(cma_dev->device, p) == IB_LINK_LAYER_INFINIBAND) ? ARPHRD_INFINIBAND : ARPHRD_ETHER; rdma_addr_set_sgid(&id_priv->id.route.addr.dev_addr, &gid); @@ -2758,6 +2916,102 @@ static int cma_join_ib_multicast(struct rdma_id_private *id_priv, return 0; } +static void iboe_mcast_work_handler(struct work_struct *work) +{ + struct iboe_mcast_work *mw = container_of(work, struct iboe_mcast_work, work); + struct cma_multicast *mc = mw->mc; + struct ib_sa_multicast *m = mc->multicast.ib; + + mc->multicast.ib->context = mc; + cma_ib_mc_handler(0, m); + kref_put(&mc->mcref, release_mc); + kfree(mw); +} + +static void cma_iboe_set_mgid(struct sockaddr *addr, union ib_gid *mgid) +{ + struct sockaddr_in *sin = (struct sockaddr_in *)addr; + struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)addr; + + if (cma_any_addr(addr)) { + memset(mgid, 0, sizeof *mgid); + } else if (addr->sa_family == AF_INET6) { + memcpy(mgid, &sin6->sin6_addr, sizeof *mgid); + } else { + mgid->raw[0] = 0xff; + mgid->raw[1] = 0x0e; + mgid->raw[2] = 0; + mgid->raw[3] = 0; + mgid->raw[4] = 0; + mgid->raw[5] = 0; + mgid->raw[6] = 0; + mgid->raw[7] = 0; + mgid->raw[8] = 0; + mgid->raw[9] = 0; + mgid->raw[10] = 0xff; + mgid->raw[11] = 0xff; + *(__be32 *)(&mgid->raw[12]) = sin->sin_addr.s_addr; + } +} + +static int cma_iboe_join_multicast(struct rdma_id_private *id_priv, + struct cma_multicast *mc) +{ + struct iboe_mcast_work *work; + struct rdma_dev_addr *dev_addr = &id_priv->id.route.addr.dev_addr; + int err; + struct sockaddr *addr = (struct sockaddr *)&mc->addr; + struct net_device *ndev = NULL; + + if (cma_zero_addr((struct sockaddr *)&mc->addr)) + return -EINVAL; + + work = kzalloc(sizeof *work, GFP_KERNEL); + if (!work) + return -ENOMEM; + + mc->multicast.ib = kzalloc(sizeof(struct ib_sa_multicast), GFP_KERNEL); + if (!mc->multicast.ib) { + err = -ENOMEM; + goto out1; + } + + cma_iboe_set_mgid(addr, &mc->multicast.ib->rec.mgid); + + mc->multicast.ib->rec.pkey = cpu_to_be16(0xffff); + if (id_priv->id.ps == RDMA_PS_UDP) + mc->multicast.ib->rec.qkey = cpu_to_be32(RDMA_UDP_QKEY); + + if (dev_addr->bound_dev_if) + ndev = dev_get_by_index(&init_net, dev_addr->bound_dev_if); + if (!ndev) { + err = -ENODEV; + goto out2; + } + mc->multicast.ib->rec.rate = iboe_get_rate(ndev); + mc->multicast.ib->rec.hop_limit = 1; + mc->multicast.ib->rec.mtu = iboe_get_mtu(ndev->mtu); + dev_put(ndev); + if (!mc->multicast.ib->rec.mtu) { + err = -EINVAL; + goto out2; + } + iboe_addr_get_sgid(dev_addr, &mc->multicast.ib->rec.port_gid); + work->id = id_priv; + work->mc = mc; + INIT_WORK(&work->work, iboe_mcast_work_handler); + kref_get(&mc->mcref); + queue_work(cma_wq, &work->work); + + return 0; + +out2: + kfree(mc->multicast.ib); +out1: + kfree(work); + return err; +} + int rdma_join_multicast(struct rdma_cm_id *id, struct sockaddr *addr, void *context) { @@ -2784,7 +3038,17 @@ int rdma_join_multicast(struct rdma_cm_id *id, struct sockaddr *addr, switch (rdma_node_get_transport(id->device->node_type)) { case RDMA_TRANSPORT_IB: - ret = cma_join_ib_multicast(id_priv, mc); + switch (rdma_port_get_link_layer(id->device, id->port_num)) { + case IB_LINK_LAYER_INFINIBAND: + ret = cma_join_ib_multicast(id_priv, mc); + break; + case IB_LINK_LAYER_ETHERNET: + kref_init(&mc->mcref); + ret = cma_iboe_join_multicast(id_priv, mc); + break; + default: + ret = -EINVAL; + } break; default: ret = -ENOSYS; @@ -2817,8 +3081,19 @@ void rdma_leave_multicast(struct rdma_cm_id *id, struct sockaddr *addr) ib_detach_mcast(id->qp, &mc->multicast.ib->rec.mgid, mc->multicast.ib->rec.mlid); - ib_sa_free_multicast(mc->multicast.ib); - kfree(mc); + if (rdma_node_get_transport(id_priv->cma_dev->device->node_type) == RDMA_TRANSPORT_IB) { + switch (rdma_port_get_link_layer(id->device, id->port_num)) { + case IB_LINK_LAYER_INFINIBAND: + ib_sa_free_multicast(mc->multicast.ib); + kfree(mc); + break; + case IB_LINK_LAYER_ETHERNET: + kref_put(&mc->mcref, release_mc); + break; + default: + break; + } + } return; } } diff --git a/drivers/infiniband/core/iwcm.c b/drivers/infiniband/core/iwcm.c index bfead5bc25f..2a1e9ae134b 100644 --- a/drivers/infiniband/core/iwcm.c +++ b/drivers/infiniband/core/iwcm.c @@ -506,6 +506,8 @@ int iw_cm_accept(struct iw_cm_id *cm_id, qp = cm_id->device->iwcm->get_qp(cm_id->device, iw_param->qpn); if (!qp) { spin_unlock_irqrestore(&cm_id_priv->lock, flags); + clear_bit(IWCM_F_CONNECT_WAIT, &cm_id_priv->flags); + wake_up_all(&cm_id_priv->connect_wait); return -EINVAL; } cm_id->device->iwcm->add_ref(qp); @@ -565,6 +567,8 @@ int iw_cm_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *iw_param) qp = cm_id->device->iwcm->get_qp(cm_id->device, iw_param->qpn); if (!qp) { spin_unlock_irqrestore(&cm_id_priv->lock, flags); + clear_bit(IWCM_F_CONNECT_WAIT, &cm_id_priv->flags); + wake_up_all(&cm_id_priv->connect_wait); return -EINVAL; } cm_id->device->iwcm->add_ref(qp); diff --git a/drivers/infiniband/core/mad.c b/drivers/infiniband/core/mad.c index ef1304f151d..822cfdcd9f7 100644 --- a/drivers/infiniband/core/mad.c +++ b/drivers/infiniband/core/mad.c @@ -2598,6 +2598,9 @@ static void cleanup_recv_queue(struct ib_mad_qp_info *qp_info) struct ib_mad_private *recv; struct ib_mad_list_head *mad_list; + if (!qp_info->qp) + return; + while (!list_empty(&qp_info->recv_queue.list)) { mad_list = list_entry(qp_info->recv_queue.list.next, @@ -2639,6 +2642,9 @@ static int ib_mad_port_start(struct ib_mad_port_private *port_priv) for (i = 0; i < IB_MAD_QPS_CORE; i++) { qp = port_priv->qp_info[i].qp; + if (!qp) + continue; + /* * PKey index for QP1 is irrelevant but * one is needed for the Reset to Init transition @@ -2680,6 +2686,9 @@ static int ib_mad_port_start(struct ib_mad_port_private *port_priv) } for (i = 0; i < IB_MAD_QPS_CORE; i++) { + if (!port_priv->qp_info[i].qp) + continue; + ret = ib_mad_post_receive_mads(&port_priv->qp_info[i], NULL); if (ret) { printk(KERN_ERR PFX "Couldn't post receive WRs\n"); @@ -2758,6 +2767,9 @@ error: static void destroy_mad_qp(struct ib_mad_qp_info *qp_info) { + if (!qp_info->qp) + return; + ib_destroy_qp(qp_info->qp); kfree(qp_info->snoop_table); } @@ -2773,6 +2785,7 @@ static int ib_mad_port_open(struct ib_device *device, struct ib_mad_port_private *port_priv; unsigned long flags; char name[sizeof "ib_mad123"]; + int has_smi; /* Create new device info */ port_priv = kzalloc(sizeof *port_priv, GFP_KERNEL); @@ -2788,7 +2801,11 @@ static int ib_mad_port_open(struct ib_device *device, init_mad_qp(port_priv, &port_priv->qp_info[0]); init_mad_qp(port_priv, &port_priv->qp_info[1]); - cq_size = (mad_sendq_size + mad_recvq_size) * 2; + cq_size = mad_sendq_size + mad_recvq_size; + has_smi = rdma_port_get_link_layer(device, port_num) == IB_LINK_LAYER_INFINIBAND; + if (has_smi) + cq_size *= 2; + port_priv->cq = ib_create_cq(port_priv->device, ib_mad_thread_completion_handler, NULL, port_priv, cq_size, 0); @@ -2812,9 +2829,11 @@ static int ib_mad_port_open(struct ib_device *device, goto error5; } - ret = create_mad_qp(&port_priv->qp_info[0], IB_QPT_SMI); - if (ret) - goto error6; + if (has_smi) { + ret = create_mad_qp(&port_priv->qp_info[0], IB_QPT_SMI); + if (ret) + goto error6; + } ret = create_mad_qp(&port_priv->qp_info[1], IB_QPT_GSI); if (ret) goto error7; diff --git a/drivers/infiniband/core/multicast.c b/drivers/infiniband/core/multicast.c index a519801dcfb..68b4162fd9d 100644 --- a/drivers/infiniband/core/multicast.c +++ b/drivers/infiniband/core/multicast.c @@ -774,6 +774,10 @@ static void mcast_event_handler(struct ib_event_handler *handler, int index; dev = container_of(handler, struct mcast_device, event_handler); + if (rdma_port_get_link_layer(dev->device, event->element.port_num) != + IB_LINK_LAYER_INFINIBAND) + return; + index = event->element.port_num - dev->start_port; switch (event->event) { @@ -796,6 +800,7 @@ static void mcast_add_one(struct ib_device *device) struct mcast_device *dev; struct mcast_port *port; int i; + int count = 0; if (rdma_node_get_transport(device->node_type) != RDMA_TRANSPORT_IB) return; @@ -813,6 +818,9 @@ static void mcast_add_one(struct ib_device *device) } for (i = 0; i <= dev->end_port - dev->start_port; i++) { + if (rdma_port_get_link_layer(device, dev->start_port + i) != + IB_LINK_LAYER_INFINIBAND) + continue; port = &dev->port[i]; port->dev = dev; port->port_num = dev->start_port + i; @@ -820,6 +828,12 @@ static void mcast_add_one(struct ib_device *device) port->table = RB_ROOT; init_completion(&port->comp); atomic_set(&port->refcount, 1); + ++count; + } + + if (!count) { + kfree(dev); + return; } dev->device = device; @@ -843,9 +857,12 @@ static void mcast_remove_one(struct ib_device *device) flush_workqueue(mcast_wq); for (i = 0; i <= dev->end_port - dev->start_port; i++) { - port = &dev->port[i]; - deref_port(port); - wait_for_completion(&port->comp); + if (rdma_port_get_link_layer(device, dev->start_port + i) == + IB_LINK_LAYER_INFINIBAND) { + port = &dev->port[i]; + deref_port(port); + wait_for_completion(&port->comp); + } } kfree(dev); diff --git a/drivers/infiniband/core/sa_query.c b/drivers/infiniband/core/sa_query.c index 7e1ffd8ccd5..91a660310b7 100644 --- a/drivers/infiniband/core/sa_query.c +++ b/drivers/infiniband/core/sa_query.c @@ -416,6 +416,9 @@ static void ib_sa_event(struct ib_event_handler *handler, struct ib_event *event struct ib_sa_port *port = &sa_dev->port[event->element.port_num - sa_dev->start_port]; + if (rdma_port_get_link_layer(handler->device, port->port_num) != IB_LINK_LAYER_INFINIBAND) + return; + spin_lock_irqsave(&port->ah_lock, flags); if (port->sm_ah) kref_put(&port->sm_ah->ref, free_sm_ah); @@ -493,6 +496,7 @@ int ib_init_ah_from_path(struct ib_device *device, u8 port_num, { int ret; u16 gid_index; + int force_grh; memset(ah_attr, 0, sizeof *ah_attr); ah_attr->dlid = be16_to_cpu(rec->dlid); @@ -502,7 +506,9 @@ int ib_init_ah_from_path(struct ib_device *device, u8 port_num, ah_attr->port_num = port_num; ah_attr->static_rate = rec->rate; - if (rec->hop_limit > 1) { + force_grh = rdma_port_get_link_layer(device, port_num) == IB_LINK_LAYER_ETHERNET; + + if (rec->hop_limit > 1 || force_grh) { ah_attr->ah_flags = IB_AH_GRH; ah_attr->grh.dgid = rec->dgid; @@ -1007,7 +1013,7 @@ static void ib_sa_add_one(struct ib_device *device) e = device->phys_port_cnt; } - sa_dev = kmalloc(sizeof *sa_dev + + sa_dev = kzalloc(sizeof *sa_dev + (e - s + 1) * sizeof (struct ib_sa_port), GFP_KERNEL); if (!sa_dev) @@ -1017,9 +1023,12 @@ static void ib_sa_add_one(struct ib_device *device) sa_dev->end_port = e; for (i = 0; i <= e - s; ++i) { + spin_lock_init(&sa_dev->port[i].ah_lock); + if (rdma_port_get_link_layer(device, i + 1) != IB_LINK_LAYER_INFINIBAND) + continue; + sa_dev->port[i].sm_ah = NULL; sa_dev->port[i].port_num = i + s; - spin_lock_init(&sa_dev->port[i].ah_lock); sa_dev->port[i].agent = ib_register_mad_agent(device, i + s, IB_QPT_GSI, @@ -1045,13 +1054,15 @@ static void ib_sa_add_one(struct ib_device *device) goto err; for (i = 0; i <= e - s; ++i) - update_sm_ah(&sa_dev->port[i].update_task); + if (rdma_port_get_link_layer(device, i + 1) == IB_LINK_LAYER_INFINIBAND) + update_sm_ah(&sa_dev->port[i].update_task); return; err: while (--i >= 0) - ib_unregister_mad_agent(sa_dev->port[i].agent); + if (rdma_port_get_link_layer(device, i + 1) == IB_LINK_LAYER_INFINIBAND) + ib_unregister_mad_agent(sa_dev->port[i].agent); kfree(sa_dev); @@ -1071,9 +1082,12 @@ static void ib_sa_remove_one(struct ib_device *device) flush_scheduled_work(); for (i = 0; i <= sa_dev->end_port - sa_dev->start_port; ++i) { - ib_unregister_mad_agent(sa_dev->port[i].agent); - if (sa_dev->port[i].sm_ah) - kref_put(&sa_dev->port[i].sm_ah->ref, free_sm_ah); + if (rdma_port_get_link_layer(device, i + 1) == IB_LINK_LAYER_INFINIBAND) { + ib_unregister_mad_agent(sa_dev->port[i].agent); + if (sa_dev->port[i].sm_ah) + kref_put(&sa_dev->port[i].sm_ah->ref, free_sm_ah); + } + } kfree(sa_dev); diff --git a/drivers/infiniband/core/sysfs.c b/drivers/infiniband/core/sysfs.c index 3627300e2a1..9ab5df72df7 100644 --- a/drivers/infiniband/core/sysfs.c +++ b/drivers/infiniband/core/sysfs.c @@ -222,6 +222,19 @@ static ssize_t phys_state_show(struct ib_port *p, struct port_attribute *unused, } } +static ssize_t link_layer_show(struct ib_port *p, struct port_attribute *unused, + char *buf) +{ + switch (rdma_port_get_link_layer(p->ibdev, p->port_num)) { + case IB_LINK_LAYER_INFINIBAND: + return sprintf(buf, "%s\n", "InfiniBand"); + case IB_LINK_LAYER_ETHERNET: + return sprintf(buf, "%s\n", "Ethernet"); + default: + return sprintf(buf, "%s\n", "Unknown"); + } +} + static PORT_ATTR_RO(state); static PORT_ATTR_RO(lid); static PORT_ATTR_RO(lid_mask_count); @@ -230,6 +243,7 @@ static PORT_ATTR_RO(sm_sl); static PORT_ATTR_RO(cap_mask); static PORT_ATTR_RO(rate); static PORT_ATTR_RO(phys_state); +static PORT_ATTR_RO(link_layer); static struct attribute *port_default_attrs[] = { &port_attr_state.attr, @@ -240,6 +254,7 @@ static struct attribute *port_default_attrs[] = { &port_attr_cap_mask.attr, &port_attr_rate.attr, &port_attr_phys_state.attr, + &port_attr_link_layer.attr, NULL }; diff --git a/drivers/infiniband/core/ucma.c b/drivers/infiniband/core/ucma.c index ac7edc24165..ca12acf3837 100644 --- a/drivers/infiniband/core/ucma.c +++ b/drivers/infiniband/core/ucma.c @@ -40,6 +40,7 @@ #include <linux/in6.h> #include <linux/miscdevice.h> #include <linux/slab.h> +#include <linux/sysctl.h> #include <rdma/rdma_user_cm.h> #include <rdma/ib_marshall.h> @@ -50,8 +51,24 @@ MODULE_AUTHOR("Sean Hefty"); MODULE_DESCRIPTION("RDMA Userspace Connection Manager Access"); MODULE_LICENSE("Dual BSD/GPL"); -enum { - UCMA_MAX_BACKLOG = 128 +static unsigned int max_backlog = 1024; + +static struct ctl_table_header *ucma_ctl_table_hdr; +static ctl_table ucma_ctl_table[] = { + { + .procname = "max_backlog", + .data = &max_backlog, + .maxlen = sizeof max_backlog, + .mode = 0644, + .proc_handler = proc_dointvec, + }, + { } +}; + +static struct ctl_path ucma_ctl_path[] = { + { .procname = "net" }, + { .procname = "rdma_ucm" }, + { } }; struct ucma_file { @@ -583,6 +600,42 @@ static void ucma_copy_ib_route(struct rdma_ucm_query_route_resp *resp, } } +static void ucma_copy_iboe_route(struct rdma_ucm_query_route_resp *resp, + struct rdma_route *route) +{ + struct rdma_dev_addr *dev_addr; + struct net_device *dev; + u16 vid = 0; + + resp->num_paths = route->num_paths; + switch (route->num_paths) { + case 0: + dev_addr = &route->addr.dev_addr; + dev = dev_get_by_index(&init_net, dev_addr->bound_dev_if); + if (dev) { + vid = rdma_vlan_dev_vlan_id(dev); + dev_put(dev); + } + + iboe_mac_vlan_to_ll((union ib_gid *) &resp->ib_route[0].dgid, + dev_addr->dst_dev_addr, vid); + iboe_addr_get_sgid(dev_addr, + (union ib_gid *) &resp->ib_route[0].sgid); + resp->ib_route[0].pkey = cpu_to_be16(0xffff); + break; + case 2: + ib_copy_path_rec_to_user(&resp->ib_route[1], + &route->path_rec[1]); + /* fall through */ + case 1: + ib_copy_path_rec_to_user(&resp->ib_route[0], + &route->path_rec[0]); + break; + default: + break; + } +} + static ssize_t ucma_query_route(struct ucma_file *file, const char __user *inbuf, int in_len, int out_len) @@ -617,12 +670,17 @@ static ssize_t ucma_query_route(struct ucma_file *file, resp.node_guid = (__force __u64) ctx->cm_id->device->node_guid; resp.port_num = ctx->cm_id->port_num; - switch (rdma_node_get_transport(ctx->cm_id->device->node_type)) { - case RDMA_TRANSPORT_IB: - ucma_copy_ib_route(&resp, &ctx->cm_id->route); - break; - default: - break; + if (rdma_node_get_transport(ctx->cm_id->device->node_type) == RDMA_TRANSPORT_IB) { + switch (rdma_port_get_link_layer(ctx->cm_id->device, ctx->cm_id->port_num)) { + case IB_LINK_LAYER_INFINIBAND: + ucma_copy_ib_route(&resp, &ctx->cm_id->route); + break; + case IB_LINK_LAYER_ETHERNET: + ucma_copy_iboe_route(&resp, &ctx->cm_id->route); + break; + default: + break; + } } out: @@ -686,8 +744,8 @@ static ssize_t ucma_listen(struct ucma_file *file, const char __user *inbuf, if (IS_ERR(ctx)) return PTR_ERR(ctx); - ctx->backlog = cmd.backlog > 0 && cmd.backlog < UCMA_MAX_BACKLOG ? - cmd.backlog : UCMA_MAX_BACKLOG; + ctx->backlog = cmd.backlog > 0 && cmd.backlog < max_backlog ? + cmd.backlog : max_backlog; ret = rdma_listen(ctx->cm_id, ctx->backlog); ucma_put_ctx(ctx); return ret; @@ -1279,16 +1337,26 @@ static int __init ucma_init(void) ret = device_create_file(ucma_misc.this_device, &dev_attr_abi_version); if (ret) { printk(KERN_ERR "rdma_ucm: couldn't create abi_version attr\n"); - goto err; + goto err1; + } + + ucma_ctl_table_hdr = register_sysctl_paths(ucma_ctl_path, ucma_ctl_table); + if (!ucma_ctl_table_hdr) { + printk(KERN_ERR "rdma_ucm: couldn't register sysctl paths\n"); + ret = -ENOMEM; + goto err2; } return 0; -err: +err2: + device_remove_file(ucma_misc.this_device, &dev_attr_abi_version); +err1: misc_deregister(&ucma_misc); return ret; } static void __exit ucma_cleanup(void) { + unregister_sysctl_table(ucma_ctl_table_hdr); device_remove_file(ucma_misc.this_device, &dev_attr_abi_version); misc_deregister(&ucma_misc); idr_destroy(&ctx_idr); diff --git a/drivers/infiniband/core/ud_header.c b/drivers/infiniband/core/ud_header.c index 650b501eb14..bb7e1928082 100644 --- a/drivers/infiniband/core/ud_header.c +++ b/drivers/infiniband/core/ud_header.c @@ -33,6 +33,7 @@ #include <linux/errno.h> #include <linux/string.h> +#include <linux/if_ether.h> #include <rdma/ib_pack.h> @@ -80,6 +81,40 @@ static const struct ib_field lrh_table[] = { .size_bits = 16 } }; +static const struct ib_field eth_table[] = { + { STRUCT_FIELD(eth, dmac_h), + .offset_words = 0, + .offset_bits = 0, + .size_bits = 32 }, + { STRUCT_FIELD(eth, dmac_l), + .offset_words = 1, + .offset_bits = 0, + .size_bits = 16 }, + { STRUCT_FIELD(eth, smac_h), + .offset_words = 1, + .offset_bits = 16, + .size_bits = 16 }, + { STRUCT_FIELD(eth, smac_l), + .offset_words = 2, + .offset_bits = 0, + .size_bits = 32 }, + { STRUCT_FIELD(eth, type), + .offset_words = 3, + .offset_bits = 0, + .size_bits = 16 } +}; + +static const struct ib_field vlan_table[] = { + { STRUCT_FIELD(vlan, tag), + .offset_words = 0, + .offset_bits = 0, + .size_bits = 16 }, + { STRUCT_FIELD(vlan, type), + .offset_words = 0, + .offset_bits = 16, + .size_bits = 16 } +}; + static const struct ib_field grh_table[] = { { STRUCT_FIELD(grh, ip_version), .offset_words = 0, @@ -180,38 +215,43 @@ static const struct ib_field deth_table[] = { /** * ib_ud_header_init - Initialize UD header structure * @payload_bytes:Length of packet payload + * @lrh_present: specify if LRH is present + * @eth_present: specify if Eth header is present + * @vlan_present: packet is tagged vlan * @grh_present:GRH flag (if non-zero, GRH will be included) - * @immediate_present: specify if immediate data should be used + * @immediate_present: specify if immediate data is present * @header:Structure to initialize - * - * ib_ud_header_init() initializes the lrh.link_version, lrh.link_next_header, - * lrh.packet_length, grh.ip_version, grh.payload_length, - * grh.next_header, bth.opcode, bth.pad_count and - * bth.transport_header_version fields of a &struct ib_ud_header given - * the payload length and whether a GRH will be included. */ void ib_ud_header_init(int payload_bytes, + int lrh_present, + int eth_present, + int vlan_present, int grh_present, int immediate_present, struct ib_ud_header *header) { - u16 packet_length; - memset(header, 0, sizeof *header); - header->lrh.link_version = 0; - header->lrh.link_next_header = - grh_present ? IB_LNH_IBA_GLOBAL : IB_LNH_IBA_LOCAL; - packet_length = (IB_LRH_BYTES + - IB_BTH_BYTES + - IB_DETH_BYTES + - payload_bytes + - 4 + /* ICRC */ - 3) / 4; /* round up */ - - header->grh_present = grh_present; + if (lrh_present) { + u16 packet_length; + + header->lrh.link_version = 0; + header->lrh.link_next_header = + grh_present ? IB_LNH_IBA_GLOBAL : IB_LNH_IBA_LOCAL; + packet_length = (IB_LRH_BYTES + + IB_BTH_BYTES + + IB_DETH_BYTES + + (grh_present ? IB_GRH_BYTES : 0) + + payload_bytes + + 4 + /* ICRC */ + 3) / 4; /* round up */ + header->lrh.packet_length = cpu_to_be16(packet_length); + } + + if (vlan_present) + header->eth.type = cpu_to_be16(ETH_P_8021Q); + if (grh_present) { - packet_length += IB_GRH_BYTES / 4; header->grh.ip_version = 6; header->grh.payload_length = cpu_to_be16((IB_BTH_BYTES + @@ -222,19 +262,52 @@ void ib_ud_header_init(int payload_bytes, header->grh.next_header = 0x1b; } - header->lrh.packet_length = cpu_to_be16(packet_length); - - header->immediate_present = immediate_present; if (immediate_present) header->bth.opcode = IB_OPCODE_UD_SEND_ONLY_WITH_IMMEDIATE; else header->bth.opcode = IB_OPCODE_UD_SEND_ONLY; header->bth.pad_count = (4 - payload_bytes) & 3; header->bth.transport_header_version = 0; + + header->lrh_present = lrh_present; + header->eth_present = eth_present; + header->vlan_present = vlan_present; + header->grh_present = grh_present; + header->immediate_present = immediate_present; } EXPORT_SYMBOL(ib_ud_header_init); /** + * ib_lrh_header_pack - Pack LRH header struct into wire format + * @lrh:unpacked LRH header struct + * @buf:Buffer to pack into + * + * ib_lrh_header_pack() packs the LRH header structure @lrh into + * wire format in the buffer @buf. + */ +int ib_lrh_header_pack(struct ib_unpacked_lrh *lrh, void *buf) +{ + ib_pack(lrh_table, ARRAY_SIZE(lrh_table), lrh, buf); + return 0; +} +EXPORT_SYMBOL(ib_lrh_header_pack); + +/** + * ib_lrh_header_unpack - Unpack LRH structure from wire format + * @lrh:unpacked LRH header struct + * @buf:Buffer to pack into + * + * ib_lrh_header_unpack() unpacks the LRH header structure from + * wire format (in buf) into @lrh. + */ +int ib_lrh_header_unpack(void *buf, struct ib_unpacked_lrh *lrh) +{ + ib_unpack(lrh_table, ARRAY_SIZE(lrh_table), buf, lrh); + return 0; +} +EXPORT_SYMBOL(ib_lrh_header_unpack); + +/** * ib_ud_header_pack - Pack UD header struct into wire format * @header:UD header struct * @buf:Buffer to pack into @@ -247,10 +320,21 @@ int ib_ud_header_pack(struct ib_ud_header *header, { int len = 0; - ib_pack(lrh_table, ARRAY_SIZE(lrh_table), - &header->lrh, buf); - len += IB_LRH_BYTES; - + if (header->lrh_present) { + ib_pack(lrh_table, ARRAY_SIZE(lrh_table), + &header->lrh, buf + len); + len += IB_LRH_BYTES; + } + if (header->eth_present) { + ib_pack(eth_table, ARRAY_SIZE(eth_table), + &header->eth, buf + len); + len += IB_ETH_BYTES; + } + if (header->vlan_present) { + ib_pack(vlan_table, ARRAY_SIZE(vlan_table), + &header->vlan, buf + len); + len += IB_VLAN_BYTES; + } if (header->grh_present) { ib_pack(grh_table, ARRAY_SIZE(grh_table), &header->grh, buf + len); diff --git a/drivers/infiniband/core/user_mad.c b/drivers/infiniband/core/user_mad.c index 5fa85690951..cd1996d0ad0 100644 --- a/drivers/infiniband/core/user_mad.c +++ b/drivers/infiniband/core/user_mad.c @@ -1022,7 +1022,7 @@ static int ib_umad_init_port(struct ib_device *device, int port_num, port->ib_dev = device; port->port_num = port_num; - init_MUTEX(&port->sm_sem); + sema_init(&port->sm_sem, 1); mutex_init(&port->file_mutex); INIT_LIST_HEAD(&port->file_list); diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c index 6fcfbeb24a2..b342248aec0 100644 --- a/drivers/infiniband/core/uverbs_cmd.c +++ b/drivers/infiniband/core/uverbs_cmd.c @@ -460,6 +460,8 @@ ssize_t ib_uverbs_query_port(struct ib_uverbs_file *file, resp.active_width = attr.active_width; resp.active_speed = attr.active_speed; resp.phys_state = attr.phys_state; + resp.link_layer = rdma_port_get_link_layer(file->device->ib_dev, + cmd.port_num); if (copy_to_user((void __user *) (unsigned long) cmd.response, &resp, sizeof resp)) diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c index e0fa2223871..af7a8b08b2e 100644 --- a/drivers/infiniband/core/verbs.c +++ b/drivers/infiniband/core/verbs.c @@ -94,6 +94,22 @@ rdma_node_get_transport(enum rdma_node_type node_type) } EXPORT_SYMBOL(rdma_node_get_transport); +enum rdma_link_layer rdma_port_get_link_layer(struct ib_device *device, u8 port_num) +{ + if (device->get_link_layer) + return device->get_link_layer(device, port_num); + + switch (rdma_node_get_transport(device->node_type)) { + case RDMA_TRANSPORT_IB: + return IB_LINK_LAYER_INFINIBAND; + case RDMA_TRANSPORT_IWARP: + return IB_LINK_LAYER_ETHERNET; + default: + return IB_LINK_LAYER_UNSPECIFIED; + } +} +EXPORT_SYMBOL(rdma_port_get_link_layer); + /* Protection domains */ struct ib_pd *ib_alloc_pd(struct ib_device *device) diff --git a/drivers/infiniband/hw/amso1100/Kbuild b/drivers/infiniband/hw/amso1100/Kbuild index 06964c4af84..950dfabcd89 100644 --- a/drivers/infiniband/hw/amso1100/Kbuild +++ b/drivers/infiniband/hw/amso1100/Kbuild @@ -1,6 +1,4 @@ -ifdef CONFIG_INFINIBAND_AMSO1100_DEBUG -EXTRA_CFLAGS += -DDEBUG -endif +ccflags-$(CONFIG_INFINIBAND_AMSO1100_DEBUG) := -DDEBUG obj-$(CONFIG_INFINIBAND_AMSO1100) += iw_c2.o diff --git a/drivers/infiniband/hw/amso1100/c2_intr.c b/drivers/infiniband/hw/amso1100/c2_intr.c index 3b5095470cb..0ebe4e806b8 100644 --- a/drivers/infiniband/hw/amso1100/c2_intr.c +++ b/drivers/infiniband/hw/amso1100/c2_intr.c @@ -62,8 +62,8 @@ void c2_rnic_interrupt(struct c2_dev *c2dev) static void handle_mq(struct c2_dev *c2dev, u32 mq_index) { if (c2dev->qptr_array[mq_index] == NULL) { - pr_debug(KERN_INFO "handle_mq: stray activity for mq_index=%d\n", - mq_index); + pr_debug("handle_mq: stray activity for mq_index=%d\n", + mq_index); return; } diff --git a/drivers/infiniband/hw/cxgb3/Makefile b/drivers/infiniband/hw/cxgb3/Makefile index 7e7b5a66f04..621619c794e 100644 --- a/drivers/infiniband/hw/cxgb3/Makefile +++ b/drivers/infiniband/hw/cxgb3/Makefile @@ -1,10 +1,8 @@ -EXTRA_CFLAGS += -Idrivers/net/cxgb3 +ccflags-y := -Idrivers/net/cxgb3 obj-$(CONFIG_INFINIBAND_CXGB3) += iw_cxgb3.o iw_cxgb3-y := iwch_cm.o iwch_ev.o iwch_cq.o iwch_qp.o iwch_mem.o \ iwch_provider.o iwch.o cxio_hal.o cxio_resource.o -ifdef CONFIG_INFINIBAND_CXGB3_DEBUG -EXTRA_CFLAGS += -DDEBUG -endif +ccflags-$(CONFIG_INFINIBAND_CXGB3_DEBUG) += -DDEBUG diff --git a/drivers/infiniband/hw/cxgb3/cxio_hal.c b/drivers/infiniband/hw/cxgb3/cxio_hal.c index 005b7b52bc1..09dda0b8740 100644 --- a/drivers/infiniband/hw/cxgb3/cxio_hal.c +++ b/drivers/infiniband/hw/cxgb3/cxio_hal.c @@ -160,6 +160,7 @@ int cxio_create_cq(struct cxio_rdev *rdev_p, struct t3_cq *cq, int kernel) struct rdma_cq_setup setup; int size = (1UL << (cq->size_log2)) * sizeof(struct t3_cqe); + size += 1; /* one extra page for storing cq-in-err state */ cq->cqid = cxio_hal_get_cqid(rdev_p->rscp); if (!cq->cqid) return -ENOMEM; diff --git a/drivers/infiniband/hw/cxgb3/cxio_wr.h b/drivers/infiniband/hw/cxgb3/cxio_wr.h index e5ddb63e7d2..4bb997aa39d 100644 --- a/drivers/infiniband/hw/cxgb3/cxio_wr.h +++ b/drivers/infiniband/hw/cxgb3/cxio_wr.h @@ -728,6 +728,22 @@ struct t3_cq { #define CQ_VLD_ENTRY(ptr,size_log2,cqe) (Q_GENBIT(ptr,size_log2) == \ CQE_GENBIT(*cqe)) +struct t3_cq_status_page { + u32 cq_err; +}; + +static inline int cxio_cq_in_error(struct t3_cq *cq) +{ + return ((struct t3_cq_status_page *) + &cq->queue[1 << cq->size_log2])->cq_err; +} + +static inline void cxio_set_cq_in_error(struct t3_cq *cq) +{ + ((struct t3_cq_status_page *) + &cq->queue[1 << cq->size_log2])->cq_err = 1; +} + static inline void cxio_set_wq_in_error(struct t3_wq *wq) { wq->queue->wq_in_err.err |= 1; diff --git a/drivers/infiniband/hw/cxgb3/iwch_cm.c b/drivers/infiniband/hw/cxgb3/iwch_cm.c index 13c88871dc3..d02dcc6e596 100644 --- a/drivers/infiniband/hw/cxgb3/iwch_cm.c +++ b/drivers/infiniband/hw/cxgb3/iwch_cm.c @@ -1093,8 +1093,8 @@ static int tx_ack(struct t3cdev *tdev, struct sk_buff *skb, void *ctx) PDBG("%s ep %p credits %u\n", __func__, ep, credits); if (credits == 0) { - PDBG(KERN_ERR "%s 0 credit ack ep %p state %u\n", - __func__, ep, state_read(&ep->com)); + PDBG("%s 0 credit ack ep %p state %u\n", + __func__, ep, state_read(&ep->com)); return CPL_RET_BUF_DONE; } diff --git a/drivers/infiniband/hw/cxgb3/iwch_ev.c b/drivers/infiniband/hw/cxgb3/iwch_ev.c index 6afc89e7572..71e0d845da3 100644 --- a/drivers/infiniband/hw/cxgb3/iwch_ev.c +++ b/drivers/infiniband/hw/cxgb3/iwch_ev.c @@ -76,6 +76,14 @@ static void post_qp_event(struct iwch_dev *rnicp, struct iwch_cq *chp, atomic_inc(&qhp->refcnt); spin_unlock(&rnicp->lock); + if (qhp->attr.state == IWCH_QP_STATE_RTS) { + attrs.next_state = IWCH_QP_STATE_TERMINATE; + iwch_modify_qp(qhp->rhp, qhp, IWCH_QP_ATTR_NEXT_STATE, + &attrs, 1); + if (send_term) + iwch_post_terminate(qhp, rsp_msg); + } + event.event = ib_event; event.device = chp->ibcq.device; if (ib_event == IB_EVENT_CQ_ERR) @@ -86,13 +94,7 @@ static void post_qp_event(struct iwch_dev *rnicp, struct iwch_cq *chp, if (qhp->ibqp.event_handler) (*qhp->ibqp.event_handler)(&event, qhp->ibqp.qp_context); - if (qhp->attr.state == IWCH_QP_STATE_RTS) { - attrs.next_state = IWCH_QP_STATE_TERMINATE; - iwch_modify_qp(qhp->rhp, qhp, IWCH_QP_ATTR_NEXT_STATE, - &attrs, 1); - if (send_term) - iwch_post_terminate(qhp, rsp_msg); - } + (*chp->ibcq.comp_handler)(&chp->ibcq, chp->ibcq.cq_context); if (atomic_dec_and_test(&qhp->refcnt)) wake_up(&qhp->wait); @@ -179,7 +181,6 @@ void iwch_ev_dispatch(struct cxio_rdev *rdev_p, struct sk_buff *skb) case TPT_ERR_BOUND: case TPT_ERR_INVALIDATE_SHARED_MR: case TPT_ERR_INVALIDATE_MR_WITH_MW_BOUND: - (*chp->ibcq.comp_handler)(&chp->ibcq, chp->ibcq.cq_context); post_qp_event(rnicp, chp, rsp_msg, IB_EVENT_QP_ACCESS_ERR, 1); break; diff --git a/drivers/infiniband/hw/cxgb3/iwch_provider.c b/drivers/infiniband/hw/cxgb3/iwch_provider.c index fca0b4b747e..2e2741307af 100644 --- a/drivers/infiniband/hw/cxgb3/iwch_provider.c +++ b/drivers/infiniband/hw/cxgb3/iwch_provider.c @@ -154,6 +154,8 @@ static struct ib_cq *iwch_create_cq(struct ib_device *ibdev, int entries, int ve struct iwch_create_cq_resp uresp; struct iwch_create_cq_req ureq; struct iwch_ucontext *ucontext = NULL; + static int warned; + size_t resplen; PDBG("%s ib_dev %p entries %d\n", __func__, ibdev, entries); rhp = to_iwch_dev(ibdev); @@ -217,15 +219,26 @@ static struct ib_cq *iwch_create_cq(struct ib_device *ibdev, int entries, int ve uresp.key = ucontext->key; ucontext->key += PAGE_SIZE; spin_unlock(&ucontext->mmap_lock); - if (ib_copy_to_udata(udata, &uresp, sizeof (uresp))) { + mm->key = uresp.key; + mm->addr = virt_to_phys(chp->cq.queue); + if (udata->outlen < sizeof uresp) { + if (!warned++) + printk(KERN_WARNING MOD "Warning - " + "downlevel libcxgb3 (non-fatal).\n"); + mm->len = PAGE_ALIGN((1UL << uresp.size_log2) * + sizeof(struct t3_cqe)); + resplen = sizeof(struct iwch_create_cq_resp_v0); + } else { + mm->len = PAGE_ALIGN(((1UL << uresp.size_log2) + 1) * + sizeof(struct t3_cqe)); + uresp.memsize = mm->len; + resplen = sizeof uresp; + } + if (ib_copy_to_udata(udata, &uresp, resplen)) { kfree(mm); iwch_destroy_cq(&chp->ibcq); return ERR_PTR(-EFAULT); } - mm->key = uresp.key; - mm->addr = virt_to_phys(chp->cq.queue); - mm->len = PAGE_ALIGN((1UL << uresp.size_log2) * - sizeof (struct t3_cqe)); insert_mmap(ucontext, mm); } PDBG("created cqid 0x%0x chp %p size 0x%0x, dma_addr 0x%0llx\n", @@ -1414,6 +1427,7 @@ int iwch_register_device(struct iwch_dev *dev) dev->ibdev.post_send = iwch_post_send; dev->ibdev.post_recv = iwch_post_receive; dev->ibdev.get_protocol_stats = iwch_get_mib; + dev->ibdev.uverbs_abi_ver = IWCH_UVERBS_ABI_VERSION; dev->ibdev.iwcm = kmalloc(sizeof(struct iw_cm_verbs), GFP_KERNEL); if (!dev->ibdev.iwcm) diff --git a/drivers/infiniband/hw/cxgb3/iwch_qp.c b/drivers/infiniband/hw/cxgb3/iwch_qp.c index c64d27bf2c1..0993137181d 100644 --- a/drivers/infiniband/hw/cxgb3/iwch_qp.c +++ b/drivers/infiniband/hw/cxgb3/iwch_qp.c @@ -802,14 +802,12 @@ int iwch_post_terminate(struct iwch_qp *qhp, struct respQ_msg_t *rsp_msg) /* * Assumes qhp lock is held. */ -static void __flush_qp(struct iwch_qp *qhp, unsigned long *flag) +static void __flush_qp(struct iwch_qp *qhp, struct iwch_cq *rchp, + struct iwch_cq *schp, unsigned long *flag) { - struct iwch_cq *rchp, *schp; int count; int flushed; - rchp = get_chp(qhp->rhp, qhp->attr.rcq); - schp = get_chp(qhp->rhp, qhp->attr.scq); PDBG("%s qhp %p rchp %p schp %p\n", __func__, qhp, rchp, schp); /* take a ref on the qhp since we must release the lock */ @@ -847,10 +845,23 @@ static void __flush_qp(struct iwch_qp *qhp, unsigned long *flag) static void flush_qp(struct iwch_qp *qhp, unsigned long *flag) { - if (qhp->ibqp.uobject) + struct iwch_cq *rchp, *schp; + + rchp = get_chp(qhp->rhp, qhp->attr.rcq); + schp = get_chp(qhp->rhp, qhp->attr.scq); + + if (qhp->ibqp.uobject) { cxio_set_wq_in_error(&qhp->wq); - else - __flush_qp(qhp, flag); + cxio_set_cq_in_error(&rchp->cq); + (*rchp->ibcq.comp_handler)(&rchp->ibcq, rchp->ibcq.cq_context); + if (schp != rchp) { + cxio_set_cq_in_error(&schp->cq); + (*schp->ibcq.comp_handler)(&schp->ibcq, + schp->ibcq.cq_context); + } + return; + } + __flush_qp(qhp, rchp, schp, flag); } diff --git a/drivers/infiniband/hw/cxgb3/iwch_user.h b/drivers/infiniband/hw/cxgb3/iwch_user.h index cb7086f558c..a277c31fcaf 100644 --- a/drivers/infiniband/hw/cxgb3/iwch_user.h +++ b/drivers/infiniband/hw/cxgb3/iwch_user.h @@ -45,10 +45,18 @@ struct iwch_create_cq_req { __u64 user_rptr_addr; }; +struct iwch_create_cq_resp_v0 { + __u64 key; + __u32 cqid; + __u32 size_log2; +}; + struct iwch_create_cq_resp { __u64 key; __u32 cqid; __u32 size_log2; + __u32 memsize; + __u32 reserved; }; struct iwch_create_qp_resp { diff --git a/drivers/infiniband/hw/cxgb4/Makefile b/drivers/infiniband/hw/cxgb4/Makefile index e31a499f017..cd20b1342ae 100644 --- a/drivers/infiniband/hw/cxgb4/Makefile +++ b/drivers/infiniband/hw/cxgb4/Makefile @@ -1,4 +1,4 @@ -EXTRA_CFLAGS += -Idrivers/net/cxgb4 +ccflags-y := -Idrivers/net/cxgb4 obj-$(CONFIG_INFINIBAND_CXGB4) += iw_cxgb4.o diff --git a/drivers/infiniband/hw/ehca/ehca_mrmw.c b/drivers/infiniband/hw/ehca/ehca_mrmw.c index 53f4cd4fc19..43cae84005f 100644 --- a/drivers/infiniband/hw/ehca/ehca_mrmw.c +++ b/drivers/infiniband/hw/ehca/ehca_mrmw.c @@ -171,7 +171,7 @@ struct ib_mr *ehca_get_dma_mr(struct ib_pd *pd, int mr_access_flags) } ret = ehca_reg_maxmr(shca, e_maxmr, - (void *)ehca_map_vaddr((void *)KERNELBASE), + (void *)ehca_map_vaddr((void *)(KERNELBASE + PHYSICAL_START)), mr_access_flags, e_pd, &e_maxmr->ib.ib_mr.lkey, &e_maxmr->ib.ib_mr.rkey); @@ -1636,7 +1636,7 @@ int ehca_reg_internal_maxmr( /* register internal max-MR on HCA */ size_maxmr = ehca_mr_len; - iova_start = (u64 *)ehca_map_vaddr((void *)KERNELBASE); + iova_start = (u64 *)ehca_map_vaddr((void *)(KERNELBASE + PHYSICAL_START)); ib_pbuf.addr = 0; ib_pbuf.size = size_maxmr; num_kpages = NUM_CHUNKS(((u64)iova_start % PAGE_SIZE) + size_maxmr, @@ -2209,7 +2209,7 @@ int ehca_mr_is_maxmr(u64 size, { /* a MR is treated as max-MR only if it fits following: */ if ((size == ehca_mr_len) && - (iova_start == (void *)ehca_map_vaddr((void *)KERNELBASE))) { + (iova_start == (void *)ehca_map_vaddr((void *)(KERNELBASE + PHYSICAL_START)))) { ehca_gen_dbg("this is a max-MR"); return 1; } else diff --git a/drivers/infiniband/hw/ipath/Makefile b/drivers/infiniband/hw/ipath/Makefile index fa3df82681d..4496f2820c9 100644 --- a/drivers/infiniband/hw/ipath/Makefile +++ b/drivers/infiniband/hw/ipath/Makefile @@ -1,4 +1,4 @@ -EXTRA_CFLAGS += -DIPATH_IDSTR='"QLogic kernel.org driver"' \ +ccflags-y := -DIPATH_IDSTR='"QLogic kernel.org driver"' \ -DIPATH_KERN_TYPE=0 obj-$(CONFIG_INFINIBAND_IPATH) += ib_ipath.o diff --git a/drivers/infiniband/hw/mlx4/ah.c b/drivers/infiniband/hw/mlx4/ah.c index 11a236f8d88..4b8f9c49397 100644 --- a/drivers/infiniband/hw/mlx4/ah.c +++ b/drivers/infiniband/hw/mlx4/ah.c @@ -30,66 +30,163 @@ * SOFTWARE. */ +#include <rdma/ib_addr.h> +#include <rdma/ib_cache.h> + #include <linux/slab.h> +#include <linux/inet.h> +#include <linux/string.h> #include "mlx4_ib.h" -struct ib_ah *mlx4_ib_create_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr) +int mlx4_ib_resolve_grh(struct mlx4_ib_dev *dev, const struct ib_ah_attr *ah_attr, + u8 *mac, int *is_mcast, u8 port) { - struct mlx4_dev *dev = to_mdev(pd->device)->dev; - struct mlx4_ib_ah *ah; + struct in6_addr in6; - ah = kmalloc(sizeof *ah, GFP_ATOMIC); - if (!ah) - return ERR_PTR(-ENOMEM); + *is_mcast = 0; - memset(&ah->av, 0, sizeof ah->av); + memcpy(&in6, ah_attr->grh.dgid.raw, sizeof in6); + if (rdma_link_local_addr(&in6)) + rdma_get_ll_mac(&in6, mac); + else if (rdma_is_multicast_addr(&in6)) { + rdma_get_mcast_mac(&in6, mac); + *is_mcast = 1; + } else + return -EINVAL; - ah->av.port_pd = cpu_to_be32(to_mpd(pd)->pdn | (ah_attr->port_num << 24)); - ah->av.g_slid = ah_attr->src_path_bits; - ah->av.dlid = cpu_to_be16(ah_attr->dlid); - if (ah_attr->static_rate) { - ah->av.stat_rate = ah_attr->static_rate + MLX4_STAT_RATE_OFFSET; - while (ah->av.stat_rate > IB_RATE_2_5_GBPS + MLX4_STAT_RATE_OFFSET && - !(1 << ah->av.stat_rate & dev->caps.stat_rate_support)) - --ah->av.stat_rate; - } - ah->av.sl_tclass_flowlabel = cpu_to_be32(ah_attr->sl << 28); + return 0; +} + +static struct ib_ah *create_ib_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr, + struct mlx4_ib_ah *ah) +{ + struct mlx4_dev *dev = to_mdev(pd->device)->dev; + + ah->av.ib.port_pd = cpu_to_be32(to_mpd(pd)->pdn | (ah_attr->port_num << 24)); + ah->av.ib.g_slid = ah_attr->src_path_bits; if (ah_attr->ah_flags & IB_AH_GRH) { - ah->av.g_slid |= 0x80; - ah->av.gid_index = ah_attr->grh.sgid_index; - ah->av.hop_limit = ah_attr->grh.hop_limit; - ah->av.sl_tclass_flowlabel |= + ah->av.ib.g_slid |= 0x80; + ah->av.ib.gid_index = ah_attr->grh.sgid_index; + ah->av.ib.hop_limit = ah_attr->grh.hop_limit; + ah->av.ib.sl_tclass_flowlabel |= cpu_to_be32((ah_attr->grh.traffic_class << 20) | ah_attr->grh.flow_label); - memcpy(ah->av.dgid, ah_attr->grh.dgid.raw, 16); + memcpy(ah->av.ib.dgid, ah_attr->grh.dgid.raw, 16); + } + + ah->av.ib.dlid = cpu_to_be16(ah_attr->dlid); + if (ah_attr->static_rate) { + ah->av.ib.stat_rate = ah_attr->static_rate + MLX4_STAT_RATE_OFFSET; + while (ah->av.ib.stat_rate > IB_RATE_2_5_GBPS + MLX4_STAT_RATE_OFFSET && + !(1 << ah->av.ib.stat_rate & dev->caps.stat_rate_support)) + --ah->av.ib.stat_rate; } + ah->av.ib.sl_tclass_flowlabel = cpu_to_be32(ah_attr->sl << 28); return &ah->ibah; } +static struct ib_ah *create_iboe_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr, + struct mlx4_ib_ah *ah) +{ + struct mlx4_ib_dev *ibdev = to_mdev(pd->device); + struct mlx4_dev *dev = ibdev->dev; + union ib_gid sgid; + u8 mac[6]; + int err; + int is_mcast; + u16 vlan_tag; + + err = mlx4_ib_resolve_grh(ibdev, ah_attr, mac, &is_mcast, ah_attr->port_num); + if (err) + return ERR_PTR(err); + + memcpy(ah->av.eth.mac, mac, 6); + err = ib_get_cached_gid(pd->device, ah_attr->port_num, ah_attr->grh.sgid_index, &sgid); + if (err) + return ERR_PTR(err); + vlan_tag = rdma_get_vlan_id(&sgid); + if (vlan_tag < 0x1000) + vlan_tag |= (ah_attr->sl & 7) << 13; + ah->av.eth.port_pd = cpu_to_be32(to_mpd(pd)->pdn | (ah_attr->port_num << 24)); + ah->av.eth.gid_index = ah_attr->grh.sgid_index; + ah->av.eth.vlan = cpu_to_be16(vlan_tag); + if (ah_attr->static_rate) { + ah->av.eth.stat_rate = ah_attr->static_rate + MLX4_STAT_RATE_OFFSET; + while (ah->av.eth.stat_rate > IB_RATE_2_5_GBPS + MLX4_STAT_RATE_OFFSET && + !(1 << ah->av.eth.stat_rate & dev->caps.stat_rate_support)) + --ah->av.eth.stat_rate; + } + + /* + * HW requires multicast LID so we just choose one. + */ + if (is_mcast) + ah->av.ib.dlid = cpu_to_be16(0xc000); + + memcpy(ah->av.eth.dgid, ah_attr->grh.dgid.raw, 16); + ah->av.eth.sl_tclass_flowlabel = cpu_to_be32(ah_attr->sl << 28); + + return &ah->ibah; +} + +struct ib_ah *mlx4_ib_create_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr) +{ + struct mlx4_ib_ah *ah; + struct ib_ah *ret; + + ah = kzalloc(sizeof *ah, GFP_ATOMIC); + if (!ah) + return ERR_PTR(-ENOMEM); + + if (rdma_port_get_link_layer(pd->device, ah_attr->port_num) == IB_LINK_LAYER_ETHERNET) { + if (!(ah_attr->ah_flags & IB_AH_GRH)) { + ret = ERR_PTR(-EINVAL); + } else { + /* + * TBD: need to handle the case when we get + * called in an atomic context and there we + * might sleep. We don't expect this + * currently since we're working with link + * local addresses which we can translate + * without going to sleep. + */ + ret = create_iboe_ah(pd, ah_attr, ah); + } + + if (IS_ERR(ret)) + kfree(ah); + + return ret; + } else + return create_ib_ah(pd, ah_attr, ah); /* never fails */ +} + int mlx4_ib_query_ah(struct ib_ah *ibah, struct ib_ah_attr *ah_attr) { struct mlx4_ib_ah *ah = to_mah(ibah); + enum rdma_link_layer ll; memset(ah_attr, 0, sizeof *ah_attr); - ah_attr->dlid = be16_to_cpu(ah->av.dlid); - ah_attr->sl = be32_to_cpu(ah->av.sl_tclass_flowlabel) >> 28; - ah_attr->port_num = be32_to_cpu(ah->av.port_pd) >> 24; - if (ah->av.stat_rate) - ah_attr->static_rate = ah->av.stat_rate - MLX4_STAT_RATE_OFFSET; - ah_attr->src_path_bits = ah->av.g_slid & 0x7F; + ah_attr->sl = be32_to_cpu(ah->av.ib.sl_tclass_flowlabel) >> 28; + ah_attr->port_num = be32_to_cpu(ah->av.ib.port_pd) >> 24; + ll = rdma_port_get_link_layer(ibah->device, ah_attr->port_num); + ah_attr->dlid = ll == IB_LINK_LAYER_INFINIBAND ? be16_to_cpu(ah->av.ib.dlid) : 0; + if (ah->av.ib.stat_rate) + ah_attr->static_rate = ah->av.ib.stat_rate - MLX4_STAT_RATE_OFFSET; + ah_attr->src_path_bits = ah->av.ib.g_slid & 0x7F; if (mlx4_ib_ah_grh_present(ah)) { ah_attr->ah_flags = IB_AH_GRH; ah_attr->grh.traffic_class = - be32_to_cpu(ah->av.sl_tclass_flowlabel) >> 20; + be32_to_cpu(ah->av.ib.sl_tclass_flowlabel) >> 20; ah_attr->grh.flow_label = - be32_to_cpu(ah->av.sl_tclass_flowlabel) & 0xfffff; - ah_attr->grh.hop_limit = ah->av.hop_limit; - ah_attr->grh.sgid_index = ah->av.gid_index; - memcpy(ah_attr->grh.dgid.raw, ah->av.dgid, 16); + be32_to_cpu(ah->av.ib.sl_tclass_flowlabel) & 0xfffff; + ah_attr->grh.hop_limit = ah->av.ib.hop_limit; + ah_attr->grh.sgid_index = ah->av.ib.gid_index; + memcpy(ah_attr->grh.dgid.raw, ah->av.ib.dgid, 16); } return 0; diff --git a/drivers/infiniband/hw/mlx4/mad.c b/drivers/infiniband/hw/mlx4/mad.c index f38d5b11892..c9a8dd63b9e 100644 --- a/drivers/infiniband/hw/mlx4/mad.c +++ b/drivers/infiniband/hw/mlx4/mad.c @@ -311,19 +311,25 @@ int mlx4_ib_mad_init(struct mlx4_ib_dev *dev) struct ib_mad_agent *agent; int p, q; int ret; + enum rdma_link_layer ll; - for (p = 0; p < dev->num_ports; ++p) + for (p = 0; p < dev->num_ports; ++p) { + ll = rdma_port_get_link_layer(&dev->ib_dev, p + 1); for (q = 0; q <= 1; ++q) { - agent = ib_register_mad_agent(&dev->ib_dev, p + 1, - q ? IB_QPT_GSI : IB_QPT_SMI, - NULL, 0, send_handler, - NULL, NULL); - if (IS_ERR(agent)) { - ret = PTR_ERR(agent); - goto err; - } - dev->send_agent[p][q] = agent; + if (ll == IB_LINK_LAYER_INFINIBAND) { + agent = ib_register_mad_agent(&dev->ib_dev, p + 1, + q ? IB_QPT_GSI : IB_QPT_SMI, + NULL, 0, send_handler, + NULL, NULL); + if (IS_ERR(agent)) { + ret = PTR_ERR(agent); + goto err; + } + dev->send_agent[p][q] = agent; + } else + dev->send_agent[p][q] = NULL; } + } return 0; @@ -344,8 +350,10 @@ void mlx4_ib_mad_cleanup(struct mlx4_ib_dev *dev) for (p = 0; p < dev->num_ports; ++p) { for (q = 0; q <= 1; ++q) { agent = dev->send_agent[p][q]; - dev->send_agent[p][q] = NULL; - ib_unregister_mad_agent(agent); + if (agent) { + dev->send_agent[p][q] = NULL; + ib_unregister_mad_agent(agent); + } } if (dev->sm_ah[p]) diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c index 4e94e360e43..bf3e20cd029 100644 --- a/drivers/infiniband/hw/mlx4/main.c +++ b/drivers/infiniband/hw/mlx4/main.c @@ -35,9 +35,14 @@ #include <linux/init.h> #include <linux/slab.h> #include <linux/errno.h> +#include <linux/netdevice.h> +#include <linux/inetdevice.h> +#include <linux/rtnetlink.h> +#include <linux/if_vlan.h> #include <rdma/ib_smi.h> #include <rdma/ib_user_verbs.h> +#include <rdma/ib_addr.h> #include <linux/mlx4/driver.h> #include <linux/mlx4/cmd.h> @@ -58,6 +63,15 @@ static const char mlx4_ib_version[] = DRV_NAME ": Mellanox ConnectX InfiniBand driver v" DRV_VERSION " (" DRV_RELDATE ")\n"; +struct update_gid_work { + struct work_struct work; + union ib_gid gids[128]; + struct mlx4_ib_dev *dev; + int port; +}; + +static struct workqueue_struct *wq; + static void init_query_mad(struct ib_smp *mad) { mad->base_version = 1; @@ -66,6 +80,8 @@ static void init_query_mad(struct ib_smp *mad) mad->method = IB_MGMT_METHOD_GET; } +static union ib_gid zgid; + static int mlx4_ib_query_device(struct ib_device *ibdev, struct ib_device_attr *props) { @@ -135,7 +151,7 @@ static int mlx4_ib_query_device(struct ib_device *ibdev, props->max_srq = dev->dev->caps.num_srqs - dev->dev->caps.reserved_srqs; props->max_srq_wr = dev->dev->caps.max_srq_wqes - 1; props->max_srq_sge = dev->dev->caps.max_srq_sge; - props->max_fast_reg_page_list_len = PAGE_SIZE / sizeof (u64); + props->max_fast_reg_page_list_len = MLX4_MAX_FAST_REG_PAGES; props->local_ca_ack_delay = dev->dev->caps.local_ca_ack_delay; props->atomic_cap = dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_ATOMIC ? IB_ATOMIC_HCA : IB_ATOMIC_NONE; @@ -154,28 +170,19 @@ out: return err; } -static int mlx4_ib_query_port(struct ib_device *ibdev, u8 port, - struct ib_port_attr *props) +static enum rdma_link_layer +mlx4_ib_port_link_layer(struct ib_device *device, u8 port_num) { - struct ib_smp *in_mad = NULL; - struct ib_smp *out_mad = NULL; - int err = -ENOMEM; - - in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL); - out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL); - if (!in_mad || !out_mad) - goto out; - - memset(props, 0, sizeof *props); - - init_query_mad(in_mad); - in_mad->attr_id = IB_SMP_ATTR_PORT_INFO; - in_mad->attr_mod = cpu_to_be32(port); + struct mlx4_dev *dev = to_mdev(device)->dev; - err = mlx4_MAD_IFC(to_mdev(ibdev), 1, 1, port, NULL, NULL, in_mad, out_mad); - if (err) - goto out; + return dev->caps.port_mask & (1 << (port_num - 1)) ? + IB_LINK_LAYER_INFINIBAND : IB_LINK_LAYER_ETHERNET; +} +static int ib_link_query_port(struct ib_device *ibdev, u8 port, + struct ib_port_attr *props, + struct ib_smp *out_mad) +{ props->lid = be16_to_cpup((__be16 *) (out_mad->data + 16)); props->lmc = out_mad->data[34] & 0x7; props->sm_lid = be16_to_cpup((__be16 *) (out_mad->data + 18)); @@ -196,6 +203,80 @@ static int mlx4_ib_query_port(struct ib_device *ibdev, u8 port, props->max_vl_num = out_mad->data[37] >> 4; props->init_type_reply = out_mad->data[41] >> 4; + return 0; +} + +static u8 state_to_phys_state(enum ib_port_state state) +{ + return state == IB_PORT_ACTIVE ? 5 : 3; +} + +static int eth_link_query_port(struct ib_device *ibdev, u8 port, + struct ib_port_attr *props, + struct ib_smp *out_mad) +{ + struct mlx4_ib_iboe *iboe = &to_mdev(ibdev)->iboe; + struct net_device *ndev; + enum ib_mtu tmp; + + props->active_width = IB_WIDTH_4X; + props->active_speed = 4; + props->port_cap_flags = IB_PORT_CM_SUP; + props->gid_tbl_len = to_mdev(ibdev)->dev->caps.gid_table_len[port]; + props->max_msg_sz = to_mdev(ibdev)->dev->caps.max_msg_sz; + props->pkey_tbl_len = 1; + props->bad_pkey_cntr = be16_to_cpup((__be16 *) (out_mad->data + 46)); + props->qkey_viol_cntr = be16_to_cpup((__be16 *) (out_mad->data + 48)); + props->max_mtu = IB_MTU_2048; + props->subnet_timeout = 0; + props->max_vl_num = out_mad->data[37] >> 4; + props->init_type_reply = 0; + props->state = IB_PORT_DOWN; + props->phys_state = state_to_phys_state(props->state); + props->active_mtu = IB_MTU_256; + spin_lock(&iboe->lock); + ndev = iboe->netdevs[port - 1]; + if (!ndev) + goto out; + + tmp = iboe_get_mtu(ndev->mtu); + props->active_mtu = tmp ? min(props->max_mtu, tmp) : IB_MTU_256; + + props->state = netif_running(ndev) && netif_oper_up(ndev) ? + IB_PORT_ACTIVE : IB_PORT_DOWN; + props->phys_state = state_to_phys_state(props->state); + +out: + spin_unlock(&iboe->lock); + return 0; +} + +static int mlx4_ib_query_port(struct ib_device *ibdev, u8 port, + struct ib_port_attr *props) +{ + struct ib_smp *in_mad = NULL; + struct ib_smp *out_mad = NULL; + int err = -ENOMEM; + + in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL); + out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL); + if (!in_mad || !out_mad) + goto out; + + memset(props, 0, sizeof *props); + + init_query_mad(in_mad); + in_mad->attr_id = IB_SMP_ATTR_PORT_INFO; + in_mad->attr_mod = cpu_to_be32(port); + + err = mlx4_MAD_IFC(to_mdev(ibdev), 1, 1, port, NULL, NULL, in_mad, out_mad); + if (err) + goto out; + + err = mlx4_ib_port_link_layer(ibdev, port) == IB_LINK_LAYER_INFINIBAND ? + ib_link_query_port(ibdev, port, props, out_mad) : + eth_link_query_port(ibdev, port, props, out_mad); + out: kfree(in_mad); kfree(out_mad); @@ -203,8 +284,8 @@ out: return err; } -static int mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index, - union ib_gid *gid) +static int __mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index, + union ib_gid *gid) { struct ib_smp *in_mad = NULL; struct ib_smp *out_mad = NULL; @@ -241,6 +322,25 @@ out: return err; } +static int iboe_query_gid(struct ib_device *ibdev, u8 port, int index, + union ib_gid *gid) +{ + struct mlx4_ib_dev *dev = to_mdev(ibdev); + + *gid = dev->iboe.gid_table[port - 1][index]; + + return 0; +} + +static int mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index, + union ib_gid *gid) +{ + if (rdma_port_get_link_layer(ibdev, port) == IB_LINK_LAYER_INFINIBAND) + return __mlx4_ib_query_gid(ibdev, port, index, gid); + else + return iboe_query_gid(ibdev, port, index, gid); +} + static int mlx4_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index, u16 *pkey) { @@ -272,14 +372,32 @@ out: static int mlx4_ib_modify_device(struct ib_device *ibdev, int mask, struct ib_device_modify *props) { + struct mlx4_cmd_mailbox *mailbox; + if (mask & ~IB_DEVICE_MODIFY_NODE_DESC) return -EOPNOTSUPP; - if (mask & IB_DEVICE_MODIFY_NODE_DESC) { - spin_lock(&to_mdev(ibdev)->sm_lock); - memcpy(ibdev->node_desc, props->node_desc, 64); - spin_unlock(&to_mdev(ibdev)->sm_lock); - } + if (!(mask & IB_DEVICE_MODIFY_NODE_DESC)) + return 0; + + spin_lock(&to_mdev(ibdev)->sm_lock); + memcpy(ibdev->node_desc, props->node_desc, 64); + spin_unlock(&to_mdev(ibdev)->sm_lock); + + /* + * If possible, pass node desc to FW, so it can generate + * a 144 trap. If cmd fails, just ignore. + */ + mailbox = mlx4_alloc_cmd_mailbox(to_mdev(ibdev)->dev); + if (IS_ERR(mailbox)) + return 0; + + memset(mailbox->buf, 0, 256); + memcpy(mailbox->buf, props->node_desc, 64); + mlx4_cmd(to_mdev(ibdev)->dev, mailbox->dma, 1, 0, + MLX4_CMD_SET_NODE, MLX4_CMD_TIME_CLASS_A); + + mlx4_free_cmd_mailbox(to_mdev(ibdev)->dev, mailbox); return 0; } @@ -289,6 +407,7 @@ static int mlx4_SET_PORT(struct mlx4_ib_dev *dev, u8 port, int reset_qkey_viols, { struct mlx4_cmd_mailbox *mailbox; int err; + u8 is_eth = dev->dev->caps.port_type[port] == MLX4_PORT_TYPE_ETH; mailbox = mlx4_alloc_cmd_mailbox(dev->dev); if (IS_ERR(mailbox)) @@ -304,7 +423,7 @@ static int mlx4_SET_PORT(struct mlx4_ib_dev *dev, u8 port, int reset_qkey_viols, ((__be32 *) mailbox->buf)[1] = cpu_to_be32(cap_mask); } - err = mlx4_cmd(dev->dev, mailbox->dma, port, 0, MLX4_CMD_SET_PORT, + err = mlx4_cmd(dev->dev, mailbox->dma, port, is_eth, MLX4_CMD_SET_PORT, MLX4_CMD_TIME_CLASS_B); mlx4_free_cmd_mailbox(dev->dev, mailbox); @@ -447,18 +566,132 @@ static int mlx4_ib_dealloc_pd(struct ib_pd *pd) return 0; } +static int add_gid_entry(struct ib_qp *ibqp, union ib_gid *gid) +{ + struct mlx4_ib_qp *mqp = to_mqp(ibqp); + struct mlx4_ib_dev *mdev = to_mdev(ibqp->device); + struct mlx4_ib_gid_entry *ge; + + ge = kzalloc(sizeof *ge, GFP_KERNEL); + if (!ge) + return -ENOMEM; + + ge->gid = *gid; + if (mlx4_ib_add_mc(mdev, mqp, gid)) { + ge->port = mqp->port; + ge->added = 1; + } + + mutex_lock(&mqp->mutex); + list_add_tail(&ge->list, &mqp->gid_list); + mutex_unlock(&mqp->mutex); + + return 0; +} + +int mlx4_ib_add_mc(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp, + union ib_gid *gid) +{ + u8 mac[6]; + struct net_device *ndev; + int ret = 0; + + if (!mqp->port) + return 0; + + spin_lock(&mdev->iboe.lock); + ndev = mdev->iboe.netdevs[mqp->port - 1]; + if (ndev) + dev_hold(ndev); + spin_unlock(&mdev->iboe.lock); + + if (ndev) { + rdma_get_mcast_mac((struct in6_addr *)gid, mac); + rtnl_lock(); + dev_mc_add(mdev->iboe.netdevs[mqp->port - 1], mac); + ret = 1; + rtnl_unlock(); + dev_put(ndev); + } + + return ret; +} + static int mlx4_ib_mcg_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid) { - return mlx4_multicast_attach(to_mdev(ibqp->device)->dev, - &to_mqp(ibqp)->mqp, gid->raw, - !!(to_mqp(ibqp)->flags & - MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK)); + int err; + struct mlx4_ib_dev *mdev = to_mdev(ibqp->device); + struct mlx4_ib_qp *mqp = to_mqp(ibqp); + + err = mlx4_multicast_attach(mdev->dev, &mqp->mqp, gid->raw, !!(mqp->flags & + MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK)); + if (err) + return err; + + err = add_gid_entry(ibqp, gid); + if (err) + goto err_add; + + return 0; + +err_add: + mlx4_multicast_detach(mdev->dev, &mqp->mqp, gid->raw); + return err; +} + +static struct mlx4_ib_gid_entry *find_gid_entry(struct mlx4_ib_qp *qp, u8 *raw) +{ + struct mlx4_ib_gid_entry *ge; + struct mlx4_ib_gid_entry *tmp; + struct mlx4_ib_gid_entry *ret = NULL; + + list_for_each_entry_safe(ge, tmp, &qp->gid_list, list) { + if (!memcmp(raw, ge->gid.raw, 16)) { + ret = ge; + break; + } + } + + return ret; } static int mlx4_ib_mcg_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid) { - return mlx4_multicast_detach(to_mdev(ibqp->device)->dev, - &to_mqp(ibqp)->mqp, gid->raw); + int err; + struct mlx4_ib_dev *mdev = to_mdev(ibqp->device); + struct mlx4_ib_qp *mqp = to_mqp(ibqp); + u8 mac[6]; + struct net_device *ndev; + struct mlx4_ib_gid_entry *ge; + + err = mlx4_multicast_detach(mdev->dev, + &mqp->mqp, gid->raw); + if (err) + return err; + + mutex_lock(&mqp->mutex); + ge = find_gid_entry(mqp, gid->raw); + if (ge) { + spin_lock(&mdev->iboe.lock); + ndev = ge->added ? mdev->iboe.netdevs[ge->port - 1] : NULL; + if (ndev) + dev_hold(ndev); + spin_unlock(&mdev->iboe.lock); + rdma_get_mcast_mac((struct in6_addr *)gid, mac); + if (ndev) { + rtnl_lock(); + dev_mc_del(mdev->iboe.netdevs[ge->port - 1], mac); + rtnl_unlock(); + dev_put(ndev); + } + list_del(&ge->list); + kfree(ge); + } else + printk(KERN_WARNING "could not find mgid entry\n"); + + mutex_unlock(&mqp->mutex); + + return 0; } static int init_node_data(struct mlx4_ib_dev *dev) @@ -543,15 +776,215 @@ static struct device_attribute *mlx4_class_attributes[] = { &dev_attr_board_id }; +static void mlx4_addrconf_ifid_eui48(u8 *eui, u16 vlan_id, struct net_device *dev) +{ + memcpy(eui, dev->dev_addr, 3); + memcpy(eui + 5, dev->dev_addr + 3, 3); + if (vlan_id < 0x1000) { + eui[3] = vlan_id >> 8; + eui[4] = vlan_id & 0xff; + } else { + eui[3] = 0xff; + eui[4] = 0xfe; + } + eui[0] ^= 2; +} + +static void update_gids_task(struct work_struct *work) +{ + struct update_gid_work *gw = container_of(work, struct update_gid_work, work); + struct mlx4_cmd_mailbox *mailbox; + union ib_gid *gids; + int err; + struct mlx4_dev *dev = gw->dev->dev; + struct ib_event event; + + mailbox = mlx4_alloc_cmd_mailbox(dev); + if (IS_ERR(mailbox)) { + printk(KERN_WARNING "update gid table failed %ld\n", PTR_ERR(mailbox)); + return; + } + + gids = mailbox->buf; + memcpy(gids, gw->gids, sizeof gw->gids); + + err = mlx4_cmd(dev, mailbox->dma, MLX4_SET_PORT_GID_TABLE << 8 | gw->port, + 1, MLX4_CMD_SET_PORT, MLX4_CMD_TIME_CLASS_B); + if (err) + printk(KERN_WARNING "set port command failed\n"); + else { + memcpy(gw->dev->iboe.gid_table[gw->port - 1], gw->gids, sizeof gw->gids); + event.device = &gw->dev->ib_dev; + event.element.port_num = gw->port; + event.event = IB_EVENT_LID_CHANGE; + ib_dispatch_event(&event); + } + + mlx4_free_cmd_mailbox(dev, mailbox); + kfree(gw); +} + +static int update_ipv6_gids(struct mlx4_ib_dev *dev, int port, int clear) +{ + struct net_device *ndev = dev->iboe.netdevs[port - 1]; + struct update_gid_work *work; + struct net_device *tmp; + int i; + u8 *hits; + int ret; + union ib_gid gid; + int free; + int found; + int need_update = 0; + u16 vid; + + work = kzalloc(sizeof *work, GFP_ATOMIC); + if (!work) + return -ENOMEM; + + hits = kzalloc(128, GFP_ATOMIC); + if (!hits) { + ret = -ENOMEM; + goto out; + } + + read_lock(&dev_base_lock); + for_each_netdev(&init_net, tmp) { + if (ndev && (tmp == ndev || rdma_vlan_dev_real_dev(tmp) == ndev)) { + gid.global.subnet_prefix = cpu_to_be64(0xfe80000000000000LL); + vid = rdma_vlan_dev_vlan_id(tmp); + mlx4_addrconf_ifid_eui48(&gid.raw[8], vid, ndev); + found = 0; + free = -1; + for (i = 0; i < 128; ++i) { + if (free < 0 && + !memcmp(&dev->iboe.gid_table[port - 1][i], &zgid, sizeof zgid)) + free = i; + if (!memcmp(&dev->iboe.gid_table[port - 1][i], &gid, sizeof gid)) { + hits[i] = 1; + found = 1; + break; + } + } + + if (!found) { + if (tmp == ndev && + (memcmp(&dev->iboe.gid_table[port - 1][0], + &gid, sizeof gid) || + !memcmp(&dev->iboe.gid_table[port - 1][0], + &zgid, sizeof gid))) { + dev->iboe.gid_table[port - 1][0] = gid; + ++need_update; + hits[0] = 1; + } else if (free >= 0) { + dev->iboe.gid_table[port - 1][free] = gid; + hits[free] = 1; + ++need_update; + } + } + } + } + read_unlock(&dev_base_lock); + + for (i = 0; i < 128; ++i) + if (!hits[i]) { + if (memcmp(&dev->iboe.gid_table[port - 1][i], &zgid, sizeof zgid)) + ++need_update; + dev->iboe.gid_table[port - 1][i] = zgid; + } + + if (need_update) { + memcpy(work->gids, dev->iboe.gid_table[port - 1], sizeof work->gids); + INIT_WORK(&work->work, update_gids_task); + work->port = port; + work->dev = dev; + queue_work(wq, &work->work); + } else + kfree(work); + + kfree(hits); + return 0; + +out: + kfree(work); + return ret; +} + +static void handle_en_event(struct mlx4_ib_dev *dev, int port, unsigned long event) +{ + switch (event) { + case NETDEV_UP: + case NETDEV_CHANGEADDR: + update_ipv6_gids(dev, port, 0); + break; + + case NETDEV_DOWN: + update_ipv6_gids(dev, port, 1); + dev->iboe.netdevs[port - 1] = NULL; + } +} + +static void netdev_added(struct mlx4_ib_dev *dev, int port) +{ + update_ipv6_gids(dev, port, 0); +} + +static void netdev_removed(struct mlx4_ib_dev *dev, int port) +{ + update_ipv6_gids(dev, port, 1); +} + +static int mlx4_ib_netdev_event(struct notifier_block *this, unsigned long event, + void *ptr) +{ + struct net_device *dev = ptr; + struct mlx4_ib_dev *ibdev; + struct net_device *oldnd; + struct mlx4_ib_iboe *iboe; + int port; + + if (!net_eq(dev_net(dev), &init_net)) + return NOTIFY_DONE; + + ibdev = container_of(this, struct mlx4_ib_dev, iboe.nb); + iboe = &ibdev->iboe; + + spin_lock(&iboe->lock); + mlx4_foreach_ib_transport_port(port, ibdev->dev) { + oldnd = iboe->netdevs[port - 1]; + iboe->netdevs[port - 1] = + mlx4_get_protocol_dev(ibdev->dev, MLX4_PROTOCOL_EN, port); + if (oldnd != iboe->netdevs[port - 1]) { + if (iboe->netdevs[port - 1]) + netdev_added(ibdev, port); + else + netdev_removed(ibdev, port); + } + } + + if (dev == iboe->netdevs[0] || + (iboe->netdevs[0] && rdma_vlan_dev_real_dev(dev) == iboe->netdevs[0])) + handle_en_event(ibdev, 1, event); + else if (dev == iboe->netdevs[1] + || (iboe->netdevs[1] && rdma_vlan_dev_real_dev(dev) == iboe->netdevs[1])) + handle_en_event(ibdev, 2, event); + + spin_unlock(&iboe->lock); + + return NOTIFY_DONE; +} + static void *mlx4_ib_add(struct mlx4_dev *dev) { struct mlx4_ib_dev *ibdev; int num_ports = 0; int i; + int err; + struct mlx4_ib_iboe *iboe; printk_once(KERN_INFO "%s", mlx4_ib_version); - mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_IB) + mlx4_foreach_ib_transport_port(i, dev) num_ports++; /* No point in registering a device with no ports... */ @@ -564,6 +997,8 @@ static void *mlx4_ib_add(struct mlx4_dev *dev) return NULL; } + iboe = &ibdev->iboe; + if (mlx4_pd_alloc(dev, &ibdev->priv_pdn)) goto err_dealloc; @@ -612,6 +1047,7 @@ static void *mlx4_ib_add(struct mlx4_dev *dev) ibdev->ib_dev.query_device = mlx4_ib_query_device; ibdev->ib_dev.query_port = mlx4_ib_query_port; + ibdev->ib_dev.get_link_layer = mlx4_ib_port_link_layer; ibdev->ib_dev.query_gid = mlx4_ib_query_gid; ibdev->ib_dev.query_pkey = mlx4_ib_query_pkey; ibdev->ib_dev.modify_device = mlx4_ib_modify_device; @@ -656,6 +1092,8 @@ static void *mlx4_ib_add(struct mlx4_dev *dev) ibdev->ib_dev.unmap_fmr = mlx4_ib_unmap_fmr; ibdev->ib_dev.dealloc_fmr = mlx4_ib_fmr_dealloc; + spin_lock_init(&iboe->lock); + if (init_node_data(ibdev)) goto err_map; @@ -668,16 +1106,28 @@ static void *mlx4_ib_add(struct mlx4_dev *dev) if (mlx4_ib_mad_init(ibdev)) goto err_reg; + if (dev->caps.flags & MLX4_DEV_CAP_FLAG_IBOE && !iboe->nb.notifier_call) { + iboe->nb.notifier_call = mlx4_ib_netdev_event; + err = register_netdevice_notifier(&iboe->nb); + if (err) + goto err_reg; + } + for (i = 0; i < ARRAY_SIZE(mlx4_class_attributes); ++i) { if (device_create_file(&ibdev->ib_dev.dev, mlx4_class_attributes[i])) - goto err_reg; + goto err_notif; } ibdev->ib_active = true; return ibdev; +err_notif: + if (unregister_netdevice_notifier(&ibdev->iboe.nb)) + printk(KERN_WARNING "failure unregistering notifier\n"); + flush_workqueue(wq); + err_reg: ib_unregister_device(&ibdev->ib_dev); @@ -703,11 +1153,16 @@ static void mlx4_ib_remove(struct mlx4_dev *dev, void *ibdev_ptr) mlx4_ib_mad_cleanup(ibdev); ib_unregister_device(&ibdev->ib_dev); + if (ibdev->iboe.nb.notifier_call) { + if (unregister_netdevice_notifier(&ibdev->iboe.nb)) + printk(KERN_WARNING "failure unregistering notifier\n"); + ibdev->iboe.nb.notifier_call = NULL; + } + iounmap(ibdev->uar_map); - for (p = 1; p <= ibdev->num_ports; ++p) + mlx4_foreach_port(p, dev, MLX4_PORT_TYPE_IB) mlx4_CLOSE_PORT(dev, p); - iounmap(ibdev->uar_map); mlx4_uar_free(dev, &ibdev->priv_uar); mlx4_pd_free(dev, ibdev->priv_pdn); ib_dealloc_device(&ibdev->ib_dev); @@ -747,19 +1202,33 @@ static void mlx4_ib_event(struct mlx4_dev *dev, void *ibdev_ptr, } static struct mlx4_interface mlx4_ib_interface = { - .add = mlx4_ib_add, - .remove = mlx4_ib_remove, - .event = mlx4_ib_event + .add = mlx4_ib_add, + .remove = mlx4_ib_remove, + .event = mlx4_ib_event, + .protocol = MLX4_PROTOCOL_IB }; static int __init mlx4_ib_init(void) { - return mlx4_register_interface(&mlx4_ib_interface); + int err; + + wq = create_singlethread_workqueue("mlx4_ib"); + if (!wq) + return -ENOMEM; + + err = mlx4_register_interface(&mlx4_ib_interface); + if (err) { + destroy_workqueue(wq); + return err; + } + + return 0; } static void __exit mlx4_ib_cleanup(void) { mlx4_unregister_interface(&mlx4_ib_interface); + destroy_workqueue(wq); } module_init(mlx4_ib_init); diff --git a/drivers/infiniband/hw/mlx4/mlx4_ib.h b/drivers/infiniband/hw/mlx4/mlx4_ib.h index 3486d7675e5..2a322f21049 100644 --- a/drivers/infiniband/hw/mlx4/mlx4_ib.h +++ b/drivers/infiniband/hw/mlx4/mlx4_ib.h @@ -112,6 +112,13 @@ enum mlx4_ib_qp_flags { MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK = 1 << 1, }; +struct mlx4_ib_gid_entry { + struct list_head list; + union ib_gid gid; + int added; + u8 port; +}; + struct mlx4_ib_qp { struct ib_qp ibqp; struct mlx4_qp mqp; @@ -138,6 +145,8 @@ struct mlx4_ib_qp { u8 resp_depth; u8 sq_no_prefetch; u8 state; + int mlx_type; + struct list_head gid_list; }; struct mlx4_ib_srq { @@ -157,7 +166,14 @@ struct mlx4_ib_srq { struct mlx4_ib_ah { struct ib_ah ibah; - struct mlx4_av av; + union mlx4_ext_av av; +}; + +struct mlx4_ib_iboe { + spinlock_t lock; + struct net_device *netdevs[MLX4_MAX_PORTS]; + struct notifier_block nb; + union ib_gid gid_table[MLX4_MAX_PORTS][128]; }; struct mlx4_ib_dev { @@ -176,6 +192,7 @@ struct mlx4_ib_dev { struct mutex cap_mask_mutex; bool ib_active; + struct mlx4_ib_iboe iboe; }; static inline struct mlx4_ib_dev *to_mdev(struct ib_device *ibdev) @@ -314,9 +331,20 @@ int mlx4_ib_map_phys_fmr(struct ib_fmr *ibfmr, u64 *page_list, int npages, int mlx4_ib_unmap_fmr(struct list_head *fmr_list); int mlx4_ib_fmr_dealloc(struct ib_fmr *fmr); +int mlx4_ib_resolve_grh(struct mlx4_ib_dev *dev, const struct ib_ah_attr *ah_attr, + u8 *mac, int *is_mcast, u8 port); + static inline int mlx4_ib_ah_grh_present(struct mlx4_ib_ah *ah) { - return !!(ah->av.g_slid & 0x80); + u8 port = be32_to_cpu(ah->av.ib.port_pd) >> 24 & 3; + + if (rdma_port_get_link_layer(ah->ibah.device, port) == IB_LINK_LAYER_ETHERNET) + return 1; + + return !!(ah->av.ib.g_slid & 0x80); } +int mlx4_ib_add_mc(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp, + union ib_gid *gid); + #endif /* MLX4_IB_H */ diff --git a/drivers/infiniband/hw/mlx4/mr.c b/drivers/infiniband/hw/mlx4/mr.c index 1d27b9a8e2d..dca55b19a6f 100644 --- a/drivers/infiniband/hw/mlx4/mr.c +++ b/drivers/infiniband/hw/mlx4/mr.c @@ -226,7 +226,7 @@ struct ib_fast_reg_page_list *mlx4_ib_alloc_fast_reg_page_list(struct ib_device struct mlx4_ib_fast_reg_page_list *mfrpl; int size = page_list_len * sizeof (u64); - if (size > PAGE_SIZE) + if (page_list_len > MLX4_MAX_FAST_REG_PAGES) return ERR_PTR(-EINVAL); mfrpl = kmalloc(sizeof *mfrpl, GFP_KERNEL); diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c index 6a60827b230..9a7794ac34c 100644 --- a/drivers/infiniband/hw/mlx4/qp.c +++ b/drivers/infiniband/hw/mlx4/qp.c @@ -33,9 +33,11 @@ #include <linux/log2.h> #include <linux/slab.h> +#include <linux/netdevice.h> #include <rdma/ib_cache.h> #include <rdma/ib_pack.h> +#include <rdma/ib_addr.h> #include <linux/mlx4/qp.h> @@ -48,17 +50,26 @@ enum { enum { MLX4_IB_DEFAULT_SCHED_QUEUE = 0x83, - MLX4_IB_DEFAULT_QP0_SCHED_QUEUE = 0x3f + MLX4_IB_DEFAULT_QP0_SCHED_QUEUE = 0x3f, + MLX4_IB_LINK_TYPE_IB = 0, + MLX4_IB_LINK_TYPE_ETH = 1 }; enum { /* - * Largest possible UD header: send with GRH and immediate data. + * Largest possible UD header: send with GRH and immediate + * data plus 18 bytes for an Ethernet header with VLAN/802.1Q + * tag. (LRH would only use 8 bytes, so Ethernet is the + * biggest case) */ - MLX4_IB_UD_HEADER_SIZE = 72, + MLX4_IB_UD_HEADER_SIZE = 82, MLX4_IB_LSO_HEADER_SPARE = 128, }; +enum { + MLX4_IB_IBOE_ETHERTYPE = 0x8915 +}; + struct mlx4_ib_sqp { struct mlx4_ib_qp qp; int pkey_index; @@ -462,6 +473,7 @@ static int create_qp_common(struct mlx4_ib_dev *dev, struct ib_pd *pd, mutex_init(&qp->mutex); spin_lock_init(&qp->sq.lock); spin_lock_init(&qp->rq.lock); + INIT_LIST_HEAD(&qp->gid_list); qp->state = IB_QPS_RESET; if (init_attr->sq_sig_type == IB_SIGNAL_ALL_WR) @@ -649,6 +661,16 @@ static void mlx4_ib_unlock_cqs(struct mlx4_ib_cq *send_cq, struct mlx4_ib_cq *re } } +static void del_gid_entries(struct mlx4_ib_qp *qp) +{ + struct mlx4_ib_gid_entry *ge, *tmp; + + list_for_each_entry_safe(ge, tmp, &qp->gid_list, list) { + list_del(&ge->list); + kfree(ge); + } +} + static void destroy_qp_common(struct mlx4_ib_dev *dev, struct mlx4_ib_qp *qp, int is_user) { @@ -695,6 +717,8 @@ static void destroy_qp_common(struct mlx4_ib_dev *dev, struct mlx4_ib_qp *qp, if (!qp->ibqp.srq) mlx4_db_free(dev->dev, &qp->db); } + + del_gid_entries(qp); } struct ib_qp *mlx4_ib_create_qp(struct ib_pd *pd, @@ -852,6 +876,14 @@ static void mlx4_set_sched(struct mlx4_qp_path *path, u8 port) static int mlx4_set_path(struct mlx4_ib_dev *dev, const struct ib_ah_attr *ah, struct mlx4_qp_path *path, u8 port) { + int err; + int is_eth = rdma_port_get_link_layer(&dev->ib_dev, port) == + IB_LINK_LAYER_ETHERNET; + u8 mac[6]; + int is_mcast; + u16 vlan_tag; + int vidx; + path->grh_mylmc = ah->src_path_bits & 0x7f; path->rlid = cpu_to_be16(ah->dlid); if (ah->static_rate) { @@ -879,12 +911,49 @@ static int mlx4_set_path(struct mlx4_ib_dev *dev, const struct ib_ah_attr *ah, memcpy(path->rgid, ah->grh.dgid.raw, 16); } - path->sched_queue = MLX4_IB_DEFAULT_SCHED_QUEUE | - ((port - 1) << 6) | ((ah->sl & 0xf) << 2); + if (is_eth) { + path->sched_queue = MLX4_IB_DEFAULT_SCHED_QUEUE | + ((port - 1) << 6) | ((ah->sl & 7) << 3) | ((ah->sl & 8) >> 1); + + if (!(ah->ah_flags & IB_AH_GRH)) + return -1; + + err = mlx4_ib_resolve_grh(dev, ah, mac, &is_mcast, port); + if (err) + return err; + + memcpy(path->dmac, mac, 6); + path->ackto = MLX4_IB_LINK_TYPE_ETH; + /* use index 0 into MAC table for IBoE */ + path->grh_mylmc &= 0x80; + + vlan_tag = rdma_get_vlan_id(&dev->iboe.gid_table[port - 1][ah->grh.sgid_index]); + if (vlan_tag < 0x1000) { + if (mlx4_find_cached_vlan(dev->dev, port, vlan_tag, &vidx)) + return -ENOENT; + + path->vlan_index = vidx; + path->fl = 1 << 6; + } + } else + path->sched_queue = MLX4_IB_DEFAULT_SCHED_QUEUE | + ((port - 1) << 6) | ((ah->sl & 0xf) << 2); return 0; } +static void update_mcg_macs(struct mlx4_ib_dev *dev, struct mlx4_ib_qp *qp) +{ + struct mlx4_ib_gid_entry *ge, *tmp; + + list_for_each_entry_safe(ge, tmp, &qp->gid_list, list) { + if (!ge->added && mlx4_ib_add_mc(dev, qp, &ge->gid)) { + ge->added = 1; + ge->port = qp->port; + } + } +} + static int __mlx4_ib_modify_qp(struct ib_qp *ibqp, const struct ib_qp_attr *attr, int attr_mask, enum ib_qp_state cur_state, enum ib_qp_state new_state) @@ -980,7 +1049,7 @@ static int __mlx4_ib_modify_qp(struct ib_qp *ibqp, } if (attr_mask & IB_QP_TIMEOUT) { - context->pri_path.ackto = attr->timeout << 3; + context->pri_path.ackto |= attr->timeout << 3; optpar |= MLX4_QP_OPTPAR_ACK_TIMEOUT; } @@ -1118,8 +1187,10 @@ static int __mlx4_ib_modify_qp(struct ib_qp *ibqp, qp->atomic_rd_en = attr->qp_access_flags; if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) qp->resp_depth = attr->max_dest_rd_atomic; - if (attr_mask & IB_QP_PORT) + if (attr_mask & IB_QP_PORT) { qp->port = attr->port_num; + update_mcg_macs(dev, qp); + } if (attr_mask & IB_QP_ALT_PATH) qp->alt_port = attr->alt_port_num; @@ -1221,40 +1292,59 @@ static int build_mlx_header(struct mlx4_ib_sqp *sqp, struct ib_send_wr *wr, struct mlx4_wqe_mlx_seg *mlx = wqe; struct mlx4_wqe_inline_seg *inl = wqe + sizeof *mlx; struct mlx4_ib_ah *ah = to_mah(wr->wr.ud.ah); + union ib_gid sgid; u16 pkey; int send_size; int header_size; int spc; int i; + int is_eth; + int is_vlan = 0; + int is_grh; + u16 vlan; send_size = 0; for (i = 0; i < wr->num_sge; ++i) send_size += wr->sg_list[i].length; - ib_ud_header_init(send_size, mlx4_ib_ah_grh_present(ah), 0, &sqp->ud_header); + is_eth = rdma_port_get_link_layer(sqp->qp.ibqp.device, sqp->qp.port) == IB_LINK_LAYER_ETHERNET; + is_grh = mlx4_ib_ah_grh_present(ah); + if (is_eth) { + ib_get_cached_gid(ib_dev, be32_to_cpu(ah->av.ib.port_pd) >> 24, + ah->av.ib.gid_index, &sgid); + vlan = rdma_get_vlan_id(&sgid); + is_vlan = vlan < 0x1000; + } + ib_ud_header_init(send_size, !is_eth, is_eth, is_vlan, is_grh, 0, &sqp->ud_header); + + if (!is_eth) { + sqp->ud_header.lrh.service_level = + be32_to_cpu(ah->av.ib.sl_tclass_flowlabel) >> 28; + sqp->ud_header.lrh.destination_lid = ah->av.ib.dlid; + sqp->ud_header.lrh.source_lid = cpu_to_be16(ah->av.ib.g_slid & 0x7f); + } - sqp->ud_header.lrh.service_level = - be32_to_cpu(ah->av.sl_tclass_flowlabel) >> 28; - sqp->ud_header.lrh.destination_lid = ah->av.dlid; - sqp->ud_header.lrh.source_lid = cpu_to_be16(ah->av.g_slid & 0x7f); - if (mlx4_ib_ah_grh_present(ah)) { + if (is_grh) { sqp->ud_header.grh.traffic_class = - (be32_to_cpu(ah->av.sl_tclass_flowlabel) >> 20) & 0xff; + (be32_to_cpu(ah->av.ib.sl_tclass_flowlabel) >> 20) & 0xff; sqp->ud_header.grh.flow_label = - ah->av.sl_tclass_flowlabel & cpu_to_be32(0xfffff); - sqp->ud_header.grh.hop_limit = ah->av.hop_limit; - ib_get_cached_gid(ib_dev, be32_to_cpu(ah->av.port_pd) >> 24, - ah->av.gid_index, &sqp->ud_header.grh.source_gid); + ah->av.ib.sl_tclass_flowlabel & cpu_to_be32(0xfffff); + sqp->ud_header.grh.hop_limit = ah->av.ib.hop_limit; + ib_get_cached_gid(ib_dev, be32_to_cpu(ah->av.ib.port_pd) >> 24, + ah->av.ib.gid_index, &sqp->ud_header.grh.source_gid); memcpy(sqp->ud_header.grh.destination_gid.raw, - ah->av.dgid, 16); + ah->av.ib.dgid, 16); } mlx->flags &= cpu_to_be32(MLX4_WQE_CTRL_CQ_UPDATE); - mlx->flags |= cpu_to_be32((!sqp->qp.ibqp.qp_num ? MLX4_WQE_MLX_VL15 : 0) | - (sqp->ud_header.lrh.destination_lid == - IB_LID_PERMISSIVE ? MLX4_WQE_MLX_SLR : 0) | - (sqp->ud_header.lrh.service_level << 8)); - mlx->rlid = sqp->ud_header.lrh.destination_lid; + + if (!is_eth) { + mlx->flags |= cpu_to_be32((!sqp->qp.ibqp.qp_num ? MLX4_WQE_MLX_VL15 : 0) | + (sqp->ud_header.lrh.destination_lid == + IB_LID_PERMISSIVE ? MLX4_WQE_MLX_SLR : 0) | + (sqp->ud_header.lrh.service_level << 8)); + mlx->rlid = sqp->ud_header.lrh.destination_lid; + } switch (wr->opcode) { case IB_WR_SEND: @@ -1270,9 +1360,29 @@ static int build_mlx_header(struct mlx4_ib_sqp *sqp, struct ib_send_wr *wr, return -EINVAL; } - sqp->ud_header.lrh.virtual_lane = !sqp->qp.ibqp.qp_num ? 15 : 0; - if (sqp->ud_header.lrh.destination_lid == IB_LID_PERMISSIVE) - sqp->ud_header.lrh.source_lid = IB_LID_PERMISSIVE; + if (is_eth) { + u8 *smac; + + memcpy(sqp->ud_header.eth.dmac_h, ah->av.eth.mac, 6); + /* FIXME: cache smac value? */ + smac = to_mdev(sqp->qp.ibqp.device)->iboe.netdevs[sqp->qp.port - 1]->dev_addr; + memcpy(sqp->ud_header.eth.smac_h, smac, 6); + if (!memcmp(sqp->ud_header.eth.smac_h, sqp->ud_header.eth.dmac_h, 6)) + mlx->flags |= cpu_to_be32(MLX4_WQE_CTRL_FORCE_LOOPBACK); + if (!is_vlan) { + sqp->ud_header.eth.type = cpu_to_be16(MLX4_IB_IBOE_ETHERTYPE); + } else { + u16 pcp; + + sqp->ud_header.vlan.type = cpu_to_be16(MLX4_IB_IBOE_ETHERTYPE); + pcp = (be32_to_cpu(ah->av.ib.sl_tclass_flowlabel) >> 27 & 3) << 13; + sqp->ud_header.vlan.tag = cpu_to_be16(vlan | pcp); + } + } else { + sqp->ud_header.lrh.virtual_lane = !sqp->qp.ibqp.qp_num ? 15 : 0; + if (sqp->ud_header.lrh.destination_lid == IB_LID_PERMISSIVE) + sqp->ud_header.lrh.source_lid = IB_LID_PERMISSIVE; + } sqp->ud_header.bth.solicited_event = !!(wr->send_flags & IB_SEND_SOLICITED); if (!sqp->qp.ibqp.qp_num) ib_get_cached_pkey(ib_dev, sqp->qp.port, sqp->pkey_index, &pkey); @@ -1429,11 +1539,14 @@ static void set_masked_atomic_seg(struct mlx4_wqe_masked_atomic_seg *aseg, } static void set_datagram_seg(struct mlx4_wqe_datagram_seg *dseg, - struct ib_send_wr *wr) + struct ib_send_wr *wr, __be16 *vlan) { memcpy(dseg->av, &to_mah(wr->wr.ud.ah)->av, sizeof (struct mlx4_av)); dseg->dqpn = cpu_to_be32(wr->wr.ud.remote_qpn); dseg->qkey = cpu_to_be32(wr->wr.ud.remote_qkey); + dseg->vlan = to_mah(wr->wr.ud.ah)->av.eth.vlan; + memcpy(dseg->mac, to_mah(wr->wr.ud.ah)->av.eth.mac, 6); + *vlan = dseg->vlan; } static void set_mlx_icrc_seg(void *dseg) @@ -1536,6 +1649,7 @@ int mlx4_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, __be32 uninitialized_var(lso_hdr_sz); __be32 blh; int i; + __be16 vlan = cpu_to_be16(0xffff); spin_lock_irqsave(&qp->sq.lock, flags); @@ -1639,7 +1753,7 @@ int mlx4_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, break; case IB_QPT_UD: - set_datagram_seg(wqe, wr); + set_datagram_seg(wqe, wr, &vlan); wqe += sizeof (struct mlx4_wqe_datagram_seg); size += sizeof (struct mlx4_wqe_datagram_seg) / 16; @@ -1717,6 +1831,11 @@ int mlx4_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, ctrl->owner_opcode = mlx4_ib_opcode[wr->opcode] | (ind & qp->sq.wqe_cnt ? cpu_to_be32(1 << 31) : 0) | blh; + if (be16_to_cpu(vlan) < 0x1000) { + ctrl->ins_vlan = 1 << 6; + ctrl->vlan_tag = vlan; + } + stamp = ind + qp->sq_spare_wqes; ind += DIV_ROUND_UP(size * 16, 1U << qp->sq.wqe_shift); @@ -1866,17 +1985,27 @@ static int to_ib_qp_access_flags(int mlx4_flags) return ib_flags; } -static void to_ib_ah_attr(struct mlx4_dev *dev, struct ib_ah_attr *ib_ah_attr, +static void to_ib_ah_attr(struct mlx4_ib_dev *ibdev, struct ib_ah_attr *ib_ah_attr, struct mlx4_qp_path *path) { + struct mlx4_dev *dev = ibdev->dev; + int is_eth; + memset(ib_ah_attr, 0, sizeof *ib_ah_attr); ib_ah_attr->port_num = path->sched_queue & 0x40 ? 2 : 1; if (ib_ah_attr->port_num == 0 || ib_ah_attr->port_num > dev->caps.num_ports) return; + is_eth = rdma_port_get_link_layer(&ibdev->ib_dev, ib_ah_attr->port_num) == + IB_LINK_LAYER_ETHERNET; + if (is_eth) + ib_ah_attr->sl = ((path->sched_queue >> 3) & 0x7) | + ((path->sched_queue & 4) << 1); + else + ib_ah_attr->sl = (path->sched_queue >> 2) & 0xf; + ib_ah_attr->dlid = be16_to_cpu(path->rlid); - ib_ah_attr->sl = (path->sched_queue >> 2) & 0xf; ib_ah_attr->src_path_bits = path->grh_mylmc & 0x7f; ib_ah_attr->static_rate = path->static_rate ? path->static_rate - 5 : 0; ib_ah_attr->ah_flags = (path->grh_mylmc & (1 << 7)) ? IB_AH_GRH : 0; @@ -1929,8 +2058,8 @@ int mlx4_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, int qp_attr to_ib_qp_access_flags(be32_to_cpu(context.params2)); if (qp->ibqp.qp_type == IB_QPT_RC || qp->ibqp.qp_type == IB_QPT_UC) { - to_ib_ah_attr(dev->dev, &qp_attr->ah_attr, &context.pri_path); - to_ib_ah_attr(dev->dev, &qp_attr->alt_ah_attr, &context.alt_path); + to_ib_ah_attr(dev, &qp_attr->ah_attr, &context.pri_path); + to_ib_ah_attr(dev, &qp_attr->alt_ah_attr, &context.alt_path); qp_attr->alt_pkey_index = context.alt_path.pkey_index & 0x7f; qp_attr->alt_port_num = qp_attr->alt_ah_attr.port_num; } diff --git a/drivers/infiniband/hw/mthca/mthca_qp.c b/drivers/infiniband/hw/mthca/mthca_qp.c index d2d172e6289..a34c9d38e82 100644 --- a/drivers/infiniband/hw/mthca/mthca_qp.c +++ b/drivers/infiniband/hw/mthca/mthca_qp.c @@ -1493,7 +1493,7 @@ static int build_mlx_header(struct mthca_dev *dev, struct mthca_sqp *sqp, int err; u16 pkey; - ib_ud_header_init(256, /* assume a MAD */ + ib_ud_header_init(256, /* assume a MAD */ 1, 0, 0, mthca_ah_grh_present(to_mah(wr->wr.ud.ah)), 0, &sqp->ud_header); diff --git a/drivers/infiniband/hw/nes/nes_cm.c b/drivers/infiniband/hw/nes/nes_cm.c index 61e0efd4ccf..5c8d34cb6a2 100644 --- a/drivers/infiniband/hw/nes/nes_cm.c +++ b/drivers/infiniband/hw/nes/nes_cm.c @@ -1424,7 +1424,6 @@ static void handle_rst_pkt(struct nes_cm_node *cm_node, struct sk_buff *skb, { int reset = 0; /* whether to send reset in case of err.. */ - int passive_state; atomic_inc(&cm_resets_recvd); nes_debug(NES_DBG_CM, "Received Reset, cm_node = %p, state = %u." " refcnt=%d\n", cm_node, cm_node->state, @@ -1439,7 +1438,7 @@ static void handle_rst_pkt(struct nes_cm_node *cm_node, struct sk_buff *skb, active_open_err(cm_node, skb, reset); break; case NES_CM_STATE_MPAREQ_RCVD: - passive_state = atomic_add_return(1, &cm_node->passive_state); + atomic_inc(&cm_node->passive_state); dev_kfree_skb_any(skb); break; case NES_CM_STATE_ESTABLISHED: diff --git a/drivers/infiniband/hw/nes/nes_nic.c b/drivers/infiniband/hw/nes/nes_nic.c index 10560c796fd..3892e2c0e95 100644 --- a/drivers/infiniband/hw/nes/nes_nic.c +++ b/drivers/infiniband/hw/nes/nes_nic.c @@ -271,6 +271,7 @@ static int nes_netdev_stop(struct net_device *netdev) if (netif_msg_ifdown(nesvnic)) printk(KERN_INFO PFX "%s: disabling interface\n", netdev->name); + netif_carrier_off(netdev); /* Disable network packets */ napi_disable(&nesvnic->napi); diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c index 9046e667568..2374efbdda6 100644 --- a/drivers/infiniband/hw/nes/nes_verbs.c +++ b/drivers/infiniband/hw/nes/nes_verbs.c @@ -476,9 +476,9 @@ static struct ib_fast_reg_page_list *nes_alloc_fast_reg_page_list( } nes_debug(NES_DBG_MR, "nes_alloc_fast_reg_pbl: nes_frpl = %p, " "ibfrpl = %p, ibfrpl.page_list = %p, pbl.kva = %p, " - "pbl.paddr= %p\n", pnesfrpl, &pnesfrpl->ibfrpl, + "pbl.paddr = %llx\n", pnesfrpl, &pnesfrpl->ibfrpl, pnesfrpl->ibfrpl.page_list, pnesfrpl->nes_wqe_pbl.kva, - (void *)pnesfrpl->nes_wqe_pbl.paddr); + (unsigned long long) pnesfrpl->nes_wqe_pbl.paddr); return pifrpl; } @@ -584,7 +584,9 @@ static int nes_query_port(struct ib_device *ibdev, u8 port, struct ib_port_attr props->lmc = 0; props->sm_lid = 0; props->sm_sl = 0; - if (nesvnic->linkup) + if (netif_queue_stopped(netdev)) + props->state = IB_PORT_DOWN; + else if (nesvnic->linkup) props->state = IB_PORT_ACTIVE; else props->state = IB_PORT_DOWN; @@ -3483,13 +3485,13 @@ static int nes_post_send(struct ib_qp *ibqp, struct ib_send_wr *ib_wr, for (i = 0; i < ib_wr->wr.fast_reg.page_list_len; i++) dst_page_list[i] = cpu_to_le64(src_page_list[i]); - nes_debug(NES_DBG_IW_TX, "SQ_FMR: iova_start: %p, " - "length: %d, rkey: %0x, pgl_paddr: %p, " + nes_debug(NES_DBG_IW_TX, "SQ_FMR: iova_start: %llx, " + "length: %d, rkey: %0x, pgl_paddr: %llx, " "page_list_len: %u, wqe_misc: %x\n", - (void *)ib_wr->wr.fast_reg.iova_start, + (unsigned long long) ib_wr->wr.fast_reg.iova_start, ib_wr->wr.fast_reg.length, ib_wr->wr.fast_reg.rkey, - (void *)pnesfrpl->nes_wqe_pbl.paddr, + (unsigned long long) pnesfrpl->nes_wqe_pbl.paddr, ib_wr->wr.fast_reg.page_list_len, wqe_misc); break; diff --git a/drivers/infiniband/hw/qib/qib.h b/drivers/infiniband/hw/qib/qib.h index 61de0654820..64c9e7d02d4 100644 --- a/drivers/infiniband/hw/qib/qib.h +++ b/drivers/infiniband/hw/qib/qib.h @@ -1406,7 +1406,7 @@ extern struct mutex qib_mutex; */ #define qib_early_err(dev, fmt, ...) \ do { \ - dev_info(dev, KERN_ERR QIB_DRV_NAME ": " fmt, ##__VA_ARGS__); \ + dev_err(dev, fmt, ##__VA_ARGS__); \ } while (0) #define qib_dev_err(dd, fmt, ...) \ diff --git a/drivers/infiniband/hw/qib/qib_file_ops.c b/drivers/infiniband/hw/qib/qib_file_ops.c index 6b11645edf3..cef5d676120 100644 --- a/drivers/infiniband/hw/qib/qib_file_ops.c +++ b/drivers/infiniband/hw/qib/qib_file_ops.c @@ -1722,7 +1722,7 @@ static int qib_close(struct inode *in, struct file *fp) mutex_lock(&qib_mutex); - fd = (struct qib_filedata *) fp->private_data; + fd = fp->private_data; fp->private_data = NULL; rcd = fd->rcd; if (!rcd) { @@ -1808,7 +1808,7 @@ static int qib_ctxt_info(struct file *fp, struct qib_ctxt_info __user *uinfo) struct qib_ctxtdata *rcd = ctxt_fp(fp); struct qib_filedata *fd; - fd = (struct qib_filedata *) fp->private_data; + fd = fp->private_data; info.num_active = qib_count_active_units(); info.unit = rcd->dd->unit; diff --git a/drivers/infiniband/hw/qib/qib_init.c b/drivers/infiniband/hw/qib/qib_init.c index f1d16d3a01f..f3b50393604 100644 --- a/drivers/infiniband/hw/qib/qib_init.c +++ b/drivers/infiniband/hw/qib/qib_init.c @@ -1243,6 +1243,7 @@ static int __devinit qib_init_one(struct pci_dev *pdev, qib_early_err(&pdev->dev, "QLogic PCIE device 0x%x cannot " "work if CONFIG_PCI_MSI is not enabled\n", ent->device); + dd = ERR_PTR(-ENODEV); #endif break; diff --git a/drivers/infiniband/hw/qib/qib_pcie.c b/drivers/infiniband/hw/qib/qib_pcie.c index 7fa6e559263..48b6674cbc4 100644 --- a/drivers/infiniband/hw/qib/qib_pcie.c +++ b/drivers/infiniband/hw/qib/qib_pcie.c @@ -103,16 +103,20 @@ int qib_pcie_init(struct pci_dev *pdev, const struct pci_device_id *ent) ret = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)); } else ret = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)); - if (ret) + if (ret) { qib_early_err(&pdev->dev, "Unable to set DMA consistent mask: %d\n", ret); + goto bail; + } pci_set_master(pdev); ret = pci_enable_pcie_error_reporting(pdev); - if (ret) + if (ret) { qib_early_err(&pdev->dev, "Unable to enable pcie error reporting: %d\n", ret); + ret = 0; + } goto done; bail: diff --git a/drivers/infiniband/hw/qib/qib_rc.c b/drivers/infiniband/hw/qib/qib_rc.c index a0931119bd7..955fb715779 100644 --- a/drivers/infiniband/hw/qib/qib_rc.c +++ b/drivers/infiniband/hw/qib/qib_rc.c @@ -2068,7 +2068,10 @@ send_last: goto nack_op_err; if (!ret) goto rnr_nak; - goto send_last_imm; + wc.ex.imm_data = ohdr->u.rc.imm_data; + hdrsize += 4; + wc.wc_flags = IB_WC_WITH_IMM; + goto send_last; case OP(RDMA_READ_REQUEST): { struct qib_ack_entry *e; diff --git a/drivers/infiniband/hw/qib/qib_uc.c b/drivers/infiniband/hw/qib/qib_uc.c index b9c8b6346c1..32ccf3c824c 100644 --- a/drivers/infiniband/hw/qib/qib_uc.c +++ b/drivers/infiniband/hw/qib/qib_uc.c @@ -457,8 +457,10 @@ rdma_first: } if (opcode == OP(RDMA_WRITE_ONLY)) goto rdma_last; - else if (opcode == OP(RDMA_WRITE_ONLY_WITH_IMMEDIATE)) + else if (opcode == OP(RDMA_WRITE_ONLY_WITH_IMMEDIATE)) { + wc.ex.imm_data = ohdr->u.rc.imm_data; goto rdma_last_imm; + } /* FALLTHROUGH */ case OP(RDMA_WRITE_MIDDLE): /* Check for invalid length PMTU or posted rwqe len. */ @@ -471,8 +473,8 @@ rdma_first: break; case OP(RDMA_WRITE_LAST_WITH_IMMEDIATE): -rdma_last_imm: wc.ex.imm_data = ohdr->u.imm_data; +rdma_last_imm: hdrsize += 4; wc.wc_flags = IB_WC_WITH_IMM; diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ib.c b/drivers/infiniband/ulp/ipoib/ipoib_ib.c index ec6b4fbe25e..dfa71903d6e 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_ib.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_ib.c @@ -223,6 +223,7 @@ static void ipoib_ib_handle_rx_wc(struct net_device *dev, struct ib_wc *wc) unsigned int wr_id = wc->wr_id & ~IPOIB_OP_RECV; struct sk_buff *skb; u64 mapping[IPOIB_UD_RX_SG]; + union ib_gid *dgid; ipoib_dbg_data(priv, "recv completion: id %d, status: %d\n", wr_id, wc->status); @@ -271,6 +272,16 @@ static void ipoib_ib_handle_rx_wc(struct net_device *dev, struct ib_wc *wc) ipoib_ud_dma_unmap_rx(priv, mapping); ipoib_ud_skb_put_frags(priv, skb, wc->byte_len); + /* First byte of dgid signals multicast when 0xff */ + dgid = &((struct ib_grh *)skb->data)->dgid; + + if (!(wc->wc_flags & IB_WC_GRH) || dgid->raw[0] != 0xff) + skb->pkt_type = PACKET_HOST; + else if (memcmp(dgid, dev->broadcast + 4, sizeof(union ib_gid)) == 0) + skb->pkt_type = PACKET_BROADCAST; + else + skb->pkt_type = PACKET_MULTICAST; + skb_pull(skb, IB_GRH_BYTES); skb->protocol = ((struct ipoib_header *) skb->data)->proto; @@ -281,9 +292,6 @@ static void ipoib_ib_handle_rx_wc(struct net_device *dev, struct ib_wc *wc) dev->stats.rx_bytes += skb->len; skb->dev = dev; - /* XXX get correct PACKET_ type here */ - skb->pkt_type = PACKET_HOST; - if (test_bit(IPOIB_FLAG_CSUM, &priv->flags) && likely(wc->csum_ok)) skb->ip_summed = CHECKSUM_UNNECESSARY; diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c index b4b22576f12..4f258c88c1b 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_main.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c @@ -1240,6 +1240,7 @@ static struct net_device *ipoib_add_port(const char *format, goto alloc_mem_failed; SET_NETDEV_DEV(priv->dev, hca->dma_device); + priv->dev->dev_id = port - 1; if (!ib_query_port(hca, port, &attr)) priv->max_ib_mtu = ib_mtu_enum_to_int(attr.max_mtu); @@ -1362,6 +1363,8 @@ static void ipoib_add_one(struct ib_device *device) } for (p = s; p <= e; ++p) { + if (rdma_port_get_link_layer(device, p) != IB_LINK_LAYER_INFINIBAND) + continue; dev = ipoib_add_port("ib%d", device, p); if (!IS_ERR(dev)) { priv = netdev_priv(dev); diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c index 7f8f16bad75..cfc1d65c457 100644 --- a/drivers/infiniband/ulp/srp/ib_srp.c +++ b/drivers/infiniband/ulp/srp/ib_srp.c @@ -291,7 +291,7 @@ static void srp_free_target_ib(struct srp_target_port *target) for (i = 0; i < SRP_RQ_SIZE; ++i) srp_free_iu(target->srp_host, target->rx_ring[i]); - for (i = 0; i < SRP_SQ_SIZE + 1; ++i) + for (i = 0; i < SRP_SQ_SIZE; ++i) srp_free_iu(target->srp_host, target->tx_ring[i]); } @@ -811,6 +811,75 @@ static int srp_map_data(struct scsi_cmnd *scmnd, struct srp_target_port *target, return len; } +/* + * Must be called with target->scsi_host->host_lock held to protect + * req_lim and tx_head. Lock cannot be dropped between call here and + * call to __srp_post_send(). + * + * Note: + * An upper limit for the number of allocated information units for each + * request type is: + * - SRP_IU_CMD: SRP_CMD_SQ_SIZE, since the SCSI mid-layer never queues + * more than Scsi_Host.can_queue requests. + * - SRP_IU_TSK_MGMT: SRP_TSK_MGMT_SQ_SIZE. + * - SRP_IU_RSP: 1, since a conforming SRP target never sends more than + * one unanswered SRP request to an initiator. + */ +static struct srp_iu *__srp_get_tx_iu(struct srp_target_port *target, + enum srp_iu_type iu_type) +{ + s32 rsv = (iu_type == SRP_IU_TSK_MGMT) ? 0 : SRP_TSK_MGMT_SQ_SIZE; + struct srp_iu *iu; + + srp_send_completion(target->send_cq, target); + + if (target->tx_head - target->tx_tail >= SRP_SQ_SIZE) + return NULL; + + /* Initiator responses to target requests do not consume credits */ + if (target->req_lim <= rsv && iu_type != SRP_IU_RSP) { + ++target->zero_req_lim; + return NULL; + } + + iu = target->tx_ring[target->tx_head & SRP_SQ_MASK]; + iu->type = iu_type; + return iu; +} + +/* + * Must be called with target->scsi_host->host_lock held to protect + * req_lim and tx_head. + */ +static int __srp_post_send(struct srp_target_port *target, + struct srp_iu *iu, int len) +{ + struct ib_sge list; + struct ib_send_wr wr, *bad_wr; + int ret = 0; + + list.addr = iu->dma; + list.length = len; + list.lkey = target->srp_host->srp_dev->mr->lkey; + + wr.next = NULL; + wr.wr_id = target->tx_head & SRP_SQ_MASK; + wr.sg_list = &list; + wr.num_sge = 1; + wr.opcode = IB_WR_SEND; + wr.send_flags = IB_SEND_SIGNALED; + + ret = ib_post_send(target->qp, &wr, &bad_wr); + + if (!ret) { + ++target->tx_head; + if (iu->type != SRP_IU_RSP) + --target->req_lim; + } + + return ret; +} + static int srp_post_recv(struct srp_target_port *target) { unsigned long flags; @@ -822,7 +891,7 @@ static int srp_post_recv(struct srp_target_port *target) spin_lock_irqsave(target->scsi_host->host_lock, flags); - next = target->rx_head & (SRP_RQ_SIZE - 1); + next = target->rx_head & SRP_RQ_MASK; wr.wr_id = next; iu = target->rx_ring[next]; @@ -896,6 +965,71 @@ static void srp_process_rsp(struct srp_target_port *target, struct srp_rsp *rsp) spin_unlock_irqrestore(target->scsi_host->host_lock, flags); } +static int srp_response_common(struct srp_target_port *target, s32 req_delta, + void *rsp, int len) +{ + struct ib_device *dev; + unsigned long flags; + struct srp_iu *iu; + int err = 1; + + dev = target->srp_host->srp_dev->dev; + + spin_lock_irqsave(target->scsi_host->host_lock, flags); + target->req_lim += req_delta; + + iu = __srp_get_tx_iu(target, SRP_IU_RSP); + if (!iu) { + shost_printk(KERN_ERR, target->scsi_host, PFX + "no IU available to send response\n"); + goto out; + } + + ib_dma_sync_single_for_cpu(dev, iu->dma, len, DMA_TO_DEVICE); + memcpy(iu->buf, rsp, len); + ib_dma_sync_single_for_device(dev, iu->dma, len, DMA_TO_DEVICE); + + err = __srp_post_send(target, iu, len); + if (err) + shost_printk(KERN_ERR, target->scsi_host, PFX + "unable to post response: %d\n", err); + +out: + spin_unlock_irqrestore(target->scsi_host->host_lock, flags); + return err; +} + +static void srp_process_cred_req(struct srp_target_port *target, + struct srp_cred_req *req) +{ + struct srp_cred_rsp rsp = { + .opcode = SRP_CRED_RSP, + .tag = req->tag, + }; + s32 delta = be32_to_cpu(req->req_lim_delta); + + if (srp_response_common(target, delta, &rsp, sizeof rsp)) + shost_printk(KERN_ERR, target->scsi_host, PFX + "problems processing SRP_CRED_REQ\n"); +} + +static void srp_process_aer_req(struct srp_target_port *target, + struct srp_aer_req *req) +{ + struct srp_aer_rsp rsp = { + .opcode = SRP_AER_RSP, + .tag = req->tag, + }; + s32 delta = be32_to_cpu(req->req_lim_delta); + + shost_printk(KERN_ERR, target->scsi_host, PFX + "ignoring AER for LUN %llu\n", be64_to_cpu(req->lun)); + + if (srp_response_common(target, delta, &rsp, sizeof rsp)) + shost_printk(KERN_ERR, target->scsi_host, PFX + "problems processing SRP_AER_REQ\n"); +} + static void srp_handle_recv(struct srp_target_port *target, struct ib_wc *wc) { struct ib_device *dev; @@ -923,6 +1057,14 @@ static void srp_handle_recv(struct srp_target_port *target, struct ib_wc *wc) srp_process_rsp(target, iu->buf); break; + case SRP_CRED_REQ: + srp_process_cred_req(target, iu->buf); + break; + + case SRP_AER_REQ: + srp_process_aer_req(target, iu->buf); + break; + case SRP_T_LOGOUT: /* XXX Handle target logout */ shost_printk(KERN_WARNING, target->scsi_host, @@ -981,61 +1123,6 @@ static void srp_send_completion(struct ib_cq *cq, void *target_ptr) } } -/* - * Must be called with target->scsi_host->host_lock held to protect - * req_lim and tx_head. Lock cannot be dropped between call here and - * call to __srp_post_send(). - */ -static struct srp_iu *__srp_get_tx_iu(struct srp_target_port *target, - enum srp_request_type req_type) -{ - s32 min = (req_type == SRP_REQ_TASK_MGMT) ? 1 : 2; - - srp_send_completion(target->send_cq, target); - - if (target->tx_head - target->tx_tail >= SRP_SQ_SIZE) - return NULL; - - if (target->req_lim < min) { - ++target->zero_req_lim; - return NULL; - } - - return target->tx_ring[target->tx_head & SRP_SQ_SIZE]; -} - -/* - * Must be called with target->scsi_host->host_lock held to protect - * req_lim and tx_head. - */ -static int __srp_post_send(struct srp_target_port *target, - struct srp_iu *iu, int len) -{ - struct ib_sge list; - struct ib_send_wr wr, *bad_wr; - int ret = 0; - - list.addr = iu->dma; - list.length = len; - list.lkey = target->srp_host->srp_dev->mr->lkey; - - wr.next = NULL; - wr.wr_id = target->tx_head & SRP_SQ_SIZE; - wr.sg_list = &list; - wr.num_sge = 1; - wr.opcode = IB_WR_SEND; - wr.send_flags = IB_SEND_SIGNALED; - - ret = ib_post_send(target->qp, &wr, &bad_wr); - - if (!ret) { - ++target->tx_head; - --target->req_lim; - } - - return ret; -} - static int srp_queuecommand(struct scsi_cmnd *scmnd, void (*done)(struct scsi_cmnd *)) { @@ -1056,7 +1143,7 @@ static int srp_queuecommand(struct scsi_cmnd *scmnd, return 0; } - iu = __srp_get_tx_iu(target, SRP_REQ_NORMAL); + iu = __srp_get_tx_iu(target, SRP_IU_CMD); if (!iu) goto err; @@ -1064,7 +1151,7 @@ static int srp_queuecommand(struct scsi_cmnd *scmnd, ib_dma_sync_single_for_cpu(dev, iu->dma, srp_max_iu_len, DMA_TO_DEVICE); - req = list_entry(target->free_reqs.next, struct srp_request, list); + req = list_first_entry(&target->free_reqs, struct srp_request, list); scmnd->scsi_done = done; scmnd->result = 0; @@ -1121,7 +1208,7 @@ static int srp_alloc_iu_bufs(struct srp_target_port *target) goto err; } - for (i = 0; i < SRP_SQ_SIZE + 1; ++i) { + for (i = 0; i < SRP_SQ_SIZE; ++i) { target->tx_ring[i] = srp_alloc_iu(target->srp_host, srp_max_iu_len, GFP_KERNEL, DMA_TO_DEVICE); @@ -1137,7 +1224,7 @@ err: target->rx_ring[i] = NULL; } - for (i = 0; i < SRP_SQ_SIZE + 1; ++i) { + for (i = 0; i < SRP_SQ_SIZE; ++i) { srp_free_iu(target->srp_host, target->tx_ring[i]); target->tx_ring[i] = NULL; } @@ -1252,8 +1339,13 @@ static int srp_cm_handler(struct ib_cm_id *cm_id, struct ib_cm_event *event) target->max_ti_iu_len = be32_to_cpu(rsp->max_ti_iu_len); target->req_lim = be32_to_cpu(rsp->req_lim_delta); - target->scsi_host->can_queue = min(target->req_lim, - target->scsi_host->can_queue); + /* + * Reserve credits for task management so we don't + * bounce requests back to the SCSI mid-layer. + */ + target->scsi_host->can_queue + = min(target->req_lim - SRP_TSK_MGMT_SQ_SIZE, + target->scsi_host->can_queue); } else { shost_printk(KERN_WARNING, target->scsi_host, PFX "Unhandled RSP opcode %#x\n", opcode); @@ -1350,6 +1442,7 @@ static int srp_cm_handler(struct ib_cm_id *cm_id, struct ib_cm_event *event) static int srp_send_tsk_mgmt(struct srp_target_port *target, struct srp_request *req, u8 func) { + struct ib_device *dev = target->srp_host->srp_dev->dev; struct srp_iu *iu; struct srp_tsk_mgmt *tsk_mgmt; @@ -1363,10 +1456,12 @@ static int srp_send_tsk_mgmt(struct srp_target_port *target, init_completion(&req->done); - iu = __srp_get_tx_iu(target, SRP_REQ_TASK_MGMT); + iu = __srp_get_tx_iu(target, SRP_IU_TSK_MGMT); if (!iu) goto out; + ib_dma_sync_single_for_cpu(dev, iu->dma, sizeof *tsk_mgmt, + DMA_TO_DEVICE); tsk_mgmt = iu->buf; memset(tsk_mgmt, 0, sizeof *tsk_mgmt); @@ -1376,6 +1471,8 @@ static int srp_send_tsk_mgmt(struct srp_target_port *target, tsk_mgmt->tsk_mgmt_func = func; tsk_mgmt->task_tag = req->index; + ib_dma_sync_single_for_device(dev, iu->dma, sizeof *tsk_mgmt, + DMA_TO_DEVICE); if (__srp_post_send(target, iu, sizeof *tsk_mgmt)) goto out; @@ -1626,9 +1723,9 @@ static struct scsi_host_template srp_template = { .eh_abort_handler = srp_abort, .eh_device_reset_handler = srp_reset_device, .eh_host_reset_handler = srp_reset_host, - .can_queue = SRP_SQ_SIZE, + .can_queue = SRP_CMD_SQ_SIZE, .this_id = -1, - .cmd_per_lun = SRP_SQ_SIZE, + .cmd_per_lun = SRP_CMD_SQ_SIZE, .use_clustering = ENABLE_CLUSTERING, .shost_attrs = srp_host_attrs }; @@ -1813,7 +1910,7 @@ static int srp_parse_options(const char *buf, struct srp_target_port *target) printk(KERN_WARNING PFX "bad max cmd_per_lun parameter '%s'\n", p); goto out; } - target->scsi_host->cmd_per_lun = min(token, SRP_SQ_SIZE); + target->scsi_host->cmd_per_lun = min(token, SRP_CMD_SQ_SIZE); break; case SRP_OPT_IO_CLASS: @@ -1891,7 +1988,7 @@ static ssize_t srp_create_target(struct device *dev, INIT_LIST_HEAD(&target->free_reqs); INIT_LIST_HEAD(&target->req_queue); - for (i = 0; i < SRP_SQ_SIZE; ++i) { + for (i = 0; i < SRP_CMD_SQ_SIZE; ++i) { target->req_ring[i].index = i; list_add_tail(&target->req_ring[i].list, &target->free_reqs); } @@ -2159,6 +2256,9 @@ static int __init srp_init_module(void) { int ret; + BUILD_BUG_ON_NOT_POWER_OF_2(SRP_SQ_SIZE); + BUILD_BUG_ON_NOT_POWER_OF_2(SRP_RQ_SIZE); + if (srp_sg_tablesize > 255) { printk(KERN_WARNING PFX "Clamping srp_sg_tablesize to 255\n"); srp_sg_tablesize = 255; diff --git a/drivers/infiniband/ulp/srp/ib_srp.h b/drivers/infiniband/ulp/srp/ib_srp.h index 5a80eac6fda..ed0dce9e479 100644 --- a/drivers/infiniband/ulp/srp/ib_srp.h +++ b/drivers/infiniband/ulp/srp/ib_srp.h @@ -59,7 +59,14 @@ enum { SRP_RQ_SHIFT = 6, SRP_RQ_SIZE = 1 << SRP_RQ_SHIFT, - SRP_SQ_SIZE = SRP_RQ_SIZE - 1, + SRP_RQ_MASK = SRP_RQ_SIZE - 1, + + SRP_SQ_SIZE = SRP_RQ_SIZE, + SRP_SQ_MASK = SRP_SQ_SIZE - 1, + SRP_RSP_SQ_SIZE = 1, + SRP_REQ_SQ_SIZE = SRP_SQ_SIZE - SRP_RSP_SQ_SIZE, + SRP_TSK_MGMT_SQ_SIZE = 1, + SRP_CMD_SQ_SIZE = SRP_REQ_SQ_SIZE - SRP_TSK_MGMT_SQ_SIZE, SRP_TAG_TSK_MGMT = 1 << (SRP_RQ_SHIFT + 1), @@ -75,9 +82,10 @@ enum srp_target_state { SRP_TARGET_REMOVED }; -enum srp_request_type { - SRP_REQ_NORMAL, - SRP_REQ_TASK_MGMT, +enum srp_iu_type { + SRP_IU_CMD, + SRP_IU_TSK_MGMT, + SRP_IU_RSP, }; struct srp_device { @@ -144,11 +152,11 @@ struct srp_target_port { unsigned tx_head; unsigned tx_tail; - struct srp_iu *tx_ring[SRP_SQ_SIZE + 1]; + struct srp_iu *tx_ring[SRP_SQ_SIZE]; struct list_head free_reqs; struct list_head req_queue; - struct srp_request req_ring[SRP_SQ_SIZE]; + struct srp_request req_ring[SRP_CMD_SQ_SIZE]; struct work_struct work; @@ -164,6 +172,7 @@ struct srp_iu { void *buf; size_t size; enum dma_data_direction direction; + enum srp_iu_type type; }; #endif /* IB_SRP_H */ |