diff options
Diffstat (limited to 'drivers/infiniband')
28 files changed, 834 insertions, 363 deletions
diff --git a/drivers/infiniband/Kconfig b/drivers/infiniband/Kconfig index 10219ee9219..77089399359 100644 --- a/drivers/infiniband/Kconfig +++ b/drivers/infiniband/Kconfig @@ -3,6 +3,8 @@ menuconfig INFINIBAND depends on PCI || BROKEN depends on HAS_IOMEM depends on NET + depends on INET + depends on m || IPV6 != m ---help--- Core support for InfiniBand (IB). Make sure to also select any protocols you wish to use as well as drivers for your @@ -38,8 +40,7 @@ config INFINIBAND_USER_MEM config INFINIBAND_ADDR_TRANS bool - depends on INET - depends on !(INFINIBAND = y && IPV6 = m) + depends on INFINIBAND default y source "drivers/infiniband/hw/mthca/Kconfig" diff --git a/drivers/infiniband/core/Makefile b/drivers/infiniband/core/Makefile index c8bbaef1bec..3ab3865544b 100644 --- a/drivers/infiniband/core/Makefile +++ b/drivers/infiniband/core/Makefile @@ -1,8 +1,9 @@ -infiniband-$(CONFIG_INFINIBAND_ADDR_TRANS) := ib_addr.o rdma_cm.o +infiniband-$(CONFIG_INFINIBAND_ADDR_TRANS) := rdma_cm.o user_access-$(CONFIG_INFINIBAND_ADDR_TRANS) := rdma_ucm.o obj-$(CONFIG_INFINIBAND) += ib_core.o ib_mad.o ib_sa.o \ - ib_cm.o iw_cm.o $(infiniband-y) + ib_cm.o iw_cm.o ib_addr.o \ + $(infiniband-y) obj-$(CONFIG_INFINIBAND_USER_MAD) += ib_umad.o obj-$(CONFIG_INFINIBAND_USER_ACCESS) += ib_uverbs.o ib_ucm.o \ $(user_access-y) diff --git a/drivers/infiniband/core/addr.c b/drivers/infiniband/core/addr.c index e90f2b2eabd..8172d37f9ad 100644 --- a/drivers/infiniband/core/addr.c +++ b/drivers/infiniband/core/addr.c @@ -86,6 +86,8 @@ int rdma_addr_size(struct sockaddr *addr) } EXPORT_SYMBOL(rdma_addr_size); +static struct rdma_addr_client self; + void rdma_addr_register_client(struct rdma_addr_client *client) { atomic_set(&client->refcount, 1); @@ -119,7 +121,8 @@ int rdma_copy_addr(struct rdma_dev_addr *dev_addr, struct net_device *dev, } EXPORT_SYMBOL(rdma_copy_addr); -int rdma_translate_ip(struct sockaddr *addr, struct rdma_dev_addr *dev_addr) +int rdma_translate_ip(struct sockaddr *addr, struct rdma_dev_addr *dev_addr, + u16 *vlan_id) { struct net_device *dev; int ret = -EADDRNOTAVAIL; @@ -142,6 +145,8 @@ int rdma_translate_ip(struct sockaddr *addr, struct rdma_dev_addr *dev_addr) return ret; ret = rdma_copy_addr(dev_addr, dev, NULL); + if (vlan_id) + *vlan_id = rdma_vlan_dev_vlan_id(dev); dev_put(dev); break; @@ -153,6 +158,8 @@ int rdma_translate_ip(struct sockaddr *addr, struct rdma_dev_addr *dev_addr) &((struct sockaddr_in6 *) addr)->sin6_addr, dev, 1)) { ret = rdma_copy_addr(dev_addr, dev, NULL); + if (vlan_id) + *vlan_id = rdma_vlan_dev_vlan_id(dev); break; } } @@ -238,7 +245,7 @@ static int addr4_resolve(struct sockaddr_in *src_in, src_in->sin_addr.s_addr = fl4.saddr; if (rt->dst.dev->flags & IFF_LOOPBACK) { - ret = rdma_translate_ip((struct sockaddr *) dst_in, addr); + ret = rdma_translate_ip((struct sockaddr *)dst_in, addr, NULL); if (!ret) memcpy(addr->dst_dev_addr, addr->src_dev_addr, MAX_ADDR_LEN); goto put; @@ -286,7 +293,7 @@ static int addr6_resolve(struct sockaddr_in6 *src_in, } if (dst->dev->flags & IFF_LOOPBACK) { - ret = rdma_translate_ip((struct sockaddr *) dst_in, addr); + ret = rdma_translate_ip((struct sockaddr *)dst_in, addr, NULL); if (!ret) memcpy(addr->dst_dev_addr, addr->src_dev_addr, MAX_ADDR_LEN); goto put; @@ -437,6 +444,88 @@ void rdma_addr_cancel(struct rdma_dev_addr *addr) } EXPORT_SYMBOL(rdma_addr_cancel); +struct resolve_cb_context { + struct rdma_dev_addr *addr; + struct completion comp; +}; + +static void resolve_cb(int status, struct sockaddr *src_addr, + struct rdma_dev_addr *addr, void *context) +{ + memcpy(((struct resolve_cb_context *)context)->addr, addr, sizeof(struct + rdma_dev_addr)); + complete(&((struct resolve_cb_context *)context)->comp); +} + +int rdma_addr_find_dmac_by_grh(union ib_gid *sgid, union ib_gid *dgid, u8 *dmac, + u16 *vlan_id) +{ + int ret = 0; + struct rdma_dev_addr dev_addr; + struct resolve_cb_context ctx; + struct net_device *dev; + + union { + struct sockaddr _sockaddr; + struct sockaddr_in _sockaddr_in; + struct sockaddr_in6 _sockaddr_in6; + } sgid_addr, dgid_addr; + + + ret = rdma_gid2ip(&sgid_addr._sockaddr, sgid); + if (ret) + return ret; + + ret = rdma_gid2ip(&dgid_addr._sockaddr, dgid); + if (ret) + return ret; + + memset(&dev_addr, 0, sizeof(dev_addr)); + + ctx.addr = &dev_addr; + init_completion(&ctx.comp); + ret = rdma_resolve_ip(&self, &sgid_addr._sockaddr, &dgid_addr._sockaddr, + &dev_addr, 1000, resolve_cb, &ctx); + if (ret) + return ret; + + wait_for_completion(&ctx.comp); + + memcpy(dmac, dev_addr.dst_dev_addr, ETH_ALEN); + dev = dev_get_by_index(&init_net, dev_addr.bound_dev_if); + if (!dev) + return -ENODEV; + if (vlan_id) + *vlan_id = rdma_vlan_dev_vlan_id(dev); + dev_put(dev); + return ret; +} +EXPORT_SYMBOL(rdma_addr_find_dmac_by_grh); + +int rdma_addr_find_smac_by_sgid(union ib_gid *sgid, u8 *smac, u16 *vlan_id) +{ + int ret = 0; + struct rdma_dev_addr dev_addr; + union { + struct sockaddr _sockaddr; + struct sockaddr_in _sockaddr_in; + struct sockaddr_in6 _sockaddr_in6; + } gid_addr; + + ret = rdma_gid2ip(&gid_addr._sockaddr, sgid); + + if (ret) + return ret; + memset(&dev_addr, 0, sizeof(dev_addr)); + ret = rdma_translate_ip(&gid_addr._sockaddr, &dev_addr, vlan_id); + if (ret) + return ret; + + memcpy(smac, dev_addr.src_dev_addr, ETH_ALEN); + return ret; +} +EXPORT_SYMBOL(rdma_addr_find_smac_by_sgid); + static int netevent_callback(struct notifier_block *self, unsigned long event, void *ctx) { @@ -461,11 +550,13 @@ static int __init addr_init(void) return -ENOMEM; register_netevent_notifier(&nb); + rdma_addr_register_client(&self); return 0; } static void __exit addr_cleanup(void) { + rdma_addr_unregister_client(&self); unregister_netevent_notifier(&nb); destroy_workqueue(addr_wq); } diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c index f2ef7ef0f36..0601b9daf84 100644 --- a/drivers/infiniband/core/cm.c +++ b/drivers/infiniband/core/cm.c @@ -47,6 +47,7 @@ #include <linux/sysfs.h> #include <linux/workqueue.h> #include <linux/kdev_t.h> +#include <linux/etherdevice.h> #include <rdma/ib_cache.h> #include <rdma/ib_cm.h> @@ -177,6 +178,8 @@ struct cm_av { struct ib_ah_attr ah_attr; u16 pkey_index; u8 timeout; + u8 valid; + u8 smac[ETH_ALEN]; }; struct cm_work { @@ -346,6 +349,23 @@ static void cm_init_av_for_response(struct cm_port *port, struct ib_wc *wc, grh, &av->ah_attr); } +int ib_update_cm_av(struct ib_cm_id *id, const u8 *smac, const u8 *alt_smac) +{ + struct cm_id_private *cm_id_priv; + + cm_id_priv = container_of(id, struct cm_id_private, id); + + if (smac != NULL) + memcpy(cm_id_priv->av.smac, smac, sizeof(cm_id_priv->av.smac)); + + if (alt_smac != NULL) + memcpy(cm_id_priv->alt_av.smac, alt_smac, + sizeof(cm_id_priv->alt_av.smac)); + + return 0; +} +EXPORT_SYMBOL(ib_update_cm_av); + static int cm_init_av_by_path(struct ib_sa_path_rec *path, struct cm_av *av) { struct cm_device *cm_dev; @@ -376,6 +396,9 @@ static int cm_init_av_by_path(struct ib_sa_path_rec *path, struct cm_av *av) ib_init_ah_from_path(cm_dev->ib_device, port->port_num, path, &av->ah_attr); av->timeout = path->packet_life_time + 1; + memcpy(av->smac, path->smac, sizeof(av->smac)); + + av->valid = 1; return 0; } @@ -1554,6 +1577,9 @@ static int cm_req_handler(struct cm_work *work) cm_process_routed_req(req_msg, work->mad_recv_wc->wc); cm_format_paths_from_req(req_msg, &work->path[0], &work->path[1]); + + memcpy(work->path[0].dmac, cm_id_priv->av.ah_attr.dmac, ETH_ALEN); + work->path[0].vlan_id = cm_id_priv->av.ah_attr.vlan_id; ret = cm_init_av_by_path(&work->path[0], &cm_id_priv->av); if (ret) { ib_get_cached_gid(work->port->cm_dev->ib_device, @@ -3500,6 +3526,32 @@ static int cm_init_qp_rtr_attr(struct cm_id_private *cm_id_priv, *qp_attr_mask = IB_QP_STATE | IB_QP_AV | IB_QP_PATH_MTU | IB_QP_DEST_QPN | IB_QP_RQ_PSN; qp_attr->ah_attr = cm_id_priv->av.ah_attr; + if (!cm_id_priv->av.valid) { + spin_unlock_irqrestore(&cm_id_priv->lock, flags); + return -EINVAL; + } + if (cm_id_priv->av.ah_attr.vlan_id != 0xffff) { + qp_attr->vlan_id = cm_id_priv->av.ah_attr.vlan_id; + *qp_attr_mask |= IB_QP_VID; + } + if (!is_zero_ether_addr(cm_id_priv->av.smac)) { + memcpy(qp_attr->smac, cm_id_priv->av.smac, + sizeof(qp_attr->smac)); + *qp_attr_mask |= IB_QP_SMAC; + } + if (cm_id_priv->alt_av.valid) { + if (cm_id_priv->alt_av.ah_attr.vlan_id != 0xffff) { + qp_attr->alt_vlan_id = + cm_id_priv->alt_av.ah_attr.vlan_id; + *qp_attr_mask |= IB_QP_ALT_VID; + } + if (!is_zero_ether_addr(cm_id_priv->alt_av.smac)) { + memcpy(qp_attr->alt_smac, + cm_id_priv->alt_av.smac, + sizeof(qp_attr->alt_smac)); + *qp_attr_mask |= IB_QP_ALT_SMAC; + } + } qp_attr->path_mtu = cm_id_priv->path_mtu; qp_attr->dest_qp_num = be32_to_cpu(cm_id_priv->remote_qpn); qp_attr->rq_psn = be32_to_cpu(cm_id_priv->rq_psn); diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c index 4173a2ad6d0..9b079a7ea29 100644 --- a/drivers/infiniband/core/cma.c +++ b/drivers/infiniband/core/cma.c @@ -340,7 +340,7 @@ static int cma_translate_addr(struct sockaddr *addr, struct rdma_dev_addr *dev_a int ret; if (addr->sa_family != AF_IB) { - ret = rdma_translate_ip(addr, dev_addr); + ret = rdma_translate_ip(addr, dev_addr, NULL); } else { cma_translate_ib((struct sockaddr_ib *) addr, dev_addr); ret = 0; @@ -365,7 +365,9 @@ static int cma_acquire_dev(struct rdma_id_private *id_priv, return -EINVAL; mutex_lock(&lock); - iboe_addr_get_sgid(dev_addr, &iboe_gid); + rdma_ip2gid((struct sockaddr *)&id_priv->id.route.addr.src_addr, + &iboe_gid); + memcpy(&gid, dev_addr->src_dev_addr + rdma_addr_gid_offset(dev_addr), sizeof gid); if (listen_id_priv && @@ -603,6 +605,7 @@ static int cma_modify_qp_rtr(struct rdma_id_private *id_priv, { struct ib_qp_attr qp_attr; int qp_attr_mask, ret; + union ib_gid sgid; mutex_lock(&id_priv->qp_mutex); if (!id_priv->id.qp) { @@ -625,6 +628,20 @@ static int cma_modify_qp_rtr(struct rdma_id_private *id_priv, if (ret) goto out; + ret = ib_query_gid(id_priv->id.device, id_priv->id.port_num, + qp_attr.ah_attr.grh.sgid_index, &sgid); + if (ret) + goto out; + + if (rdma_node_get_transport(id_priv->cma_dev->device->node_type) + == RDMA_TRANSPORT_IB && + rdma_port_get_link_layer(id_priv->id.device, id_priv->id.port_num) + == IB_LINK_LAYER_ETHERNET) { + ret = rdma_addr_find_smac_by_sgid(&sgid, qp_attr.smac, NULL); + + if (ret) + goto out; + } if (conn_param) qp_attr.max_dest_rd_atomic = conn_param->responder_resources; ret = ib_modify_qp(id_priv->id.qp, &qp_attr, qp_attr_mask); @@ -725,6 +742,7 @@ int rdma_init_qp_attr(struct rdma_cm_id *id, struct ib_qp_attr *qp_attr, else ret = ib_cm_init_qp_attr(id_priv->cm_id.ib, qp_attr, qp_attr_mask); + if (qp_attr->qp_state == IB_QPS_RTR) qp_attr->rq_psn = id_priv->seq_num; break; @@ -1266,6 +1284,15 @@ static int cma_req_handler(struct ib_cm_id *cm_id, struct ib_cm_event *ib_event) struct rdma_id_private *listen_id, *conn_id; struct rdma_cm_event event; int offset, ret; + u8 smac[ETH_ALEN]; + u8 alt_smac[ETH_ALEN]; + u8 *psmac = smac; + u8 *palt_smac = alt_smac; + int is_iboe = ((rdma_node_get_transport(cm_id->device->node_type) == + RDMA_TRANSPORT_IB) && + (rdma_port_get_link_layer(cm_id->device, + ib_event->param.req_rcvd.port) == + IB_LINK_LAYER_ETHERNET)); listen_id = cm_id->context; if (!cma_check_req_qp_type(&listen_id->id, ib_event)) @@ -1310,12 +1337,29 @@ static int cma_req_handler(struct ib_cm_id *cm_id, struct ib_cm_event *ib_event) if (ret) goto err3; + if (is_iboe) { + if (ib_event->param.req_rcvd.primary_path != NULL) + rdma_addr_find_smac_by_sgid( + &ib_event->param.req_rcvd.primary_path->sgid, + psmac, NULL); + else + psmac = NULL; + if (ib_event->param.req_rcvd.alternate_path != NULL) + rdma_addr_find_smac_by_sgid( + &ib_event->param.req_rcvd.alternate_path->sgid, + palt_smac, NULL); + else + palt_smac = NULL; + } /* * Acquire mutex to prevent user executing rdma_destroy_id() * while we're accessing the cm_id. */ mutex_lock(&lock); - if (cma_comp(conn_id, RDMA_CM_CONNECT) && (conn_id->id.qp_type != IB_QPT_UD)) + if (is_iboe) + ib_update_cm_av(cm_id, psmac, palt_smac); + if (cma_comp(conn_id, RDMA_CM_CONNECT) && + (conn_id->id.qp_type != IB_QPT_UD)) ib_send_cm_mra(cm_id, CMA_CM_MRA_SETTING, NULL, 0); mutex_unlock(&lock); mutex_unlock(&conn_id->handler_mutex); @@ -1474,7 +1518,7 @@ static int iw_conn_req_handler(struct iw_cm_id *cm_id, mutex_lock_nested(&conn_id->handler_mutex, SINGLE_DEPTH_NESTING); conn_id->state = RDMA_CM_CONNECT; - ret = rdma_translate_ip(laddr, &conn_id->id.route.addr.dev_addr); + ret = rdma_translate_ip(laddr, &conn_id->id.route.addr.dev_addr, NULL); if (ret) { mutex_unlock(&conn_id->handler_mutex); rdma_destroy_id(new_cm_id); @@ -1873,7 +1917,7 @@ static int cma_resolve_iboe_route(struct rdma_id_private *id_priv) struct cma_work *work; int ret; struct net_device *ndev = NULL; - u16 vid; + work = kzalloc(sizeof *work, GFP_KERNEL); if (!work) @@ -1897,10 +1941,14 @@ static int cma_resolve_iboe_route(struct rdma_id_private *id_priv) goto err2; } - vid = rdma_vlan_dev_vlan_id(ndev); + route->path_rec->vlan_id = rdma_vlan_dev_vlan_id(ndev); + memcpy(route->path_rec->dmac, addr->dev_addr.dst_dev_addr, ETH_ALEN); + memcpy(route->path_rec->smac, ndev->dev_addr, ndev->addr_len); - 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); + rdma_ip2gid((struct sockaddr *)&id_priv->id.route.addr.src_addr, + &route->path_rec->sgid); + rdma_ip2gid((struct sockaddr *)&id_priv->id.route.addr.dst_addr, + &route->path_rec->dgid); route->path_rec->hop_limit = 1; route->path_rec->reversible = 1; @@ -2063,6 +2111,7 @@ static void addr_handler(int status, struct sockaddr *src_addr, RDMA_CM_ADDR_RESOLVED)) goto out; + memcpy(cma_src_addr(id_priv), src_addr, rdma_addr_size(src_addr)); if (!status && !id_priv->cma_dev) status = cma_acquire_dev(id_priv, NULL); @@ -2072,10 +2121,8 @@ static void addr_handler(int status, struct sockaddr *src_addr, goto out; event.event = RDMA_CM_EVENT_ADDR_ERROR; event.status = status; - } else { - memcpy(cma_src_addr(id_priv), src_addr, rdma_addr_size(src_addr)); + } else event.event = RDMA_CM_EVENT_ADDR_RESOLVED; - } if (id_priv->id.event_handler(&id_priv->id, &event)) { cma_exch(id_priv, RDMA_CM_DESTROYING); @@ -2559,6 +2606,7 @@ int rdma_bind_addr(struct rdma_cm_id *id, struct sockaddr *addr) if (ret) goto err1; + memcpy(cma_src_addr(id_priv), addr, rdma_addr_size(addr)); if (!cma_any_addr(addr)) { ret = cma_translate_addr(addr, &id->route.addr.dev_addr); if (ret) @@ -2569,7 +2617,6 @@ int rdma_bind_addr(struct rdma_cm_id *id, struct sockaddr *addr) goto err1; } - memcpy(cma_src_addr(id_priv), addr, rdma_addr_size(addr)); if (!(id_priv->options & (1 << CMA_OPTION_AFONLY))) { if (addr->sa_family == AF_INET) id_priv->afonly = 1; @@ -3298,7 +3345,8 @@ static int cma_iboe_join_multicast(struct rdma_id_private *id_priv, err = -EINVAL; goto out2; } - iboe_addr_get_sgid(dev_addr, &mc->multicast.ib->rec.port_gid); + rdma_ip2gid((struct sockaddr *)&id_priv->id.route.addr.src_addr, + &mc->multicast.ib->rec.port_gid); work->id = id_priv; work->mc = mc; INIT_WORK(&work->work, iboe_mcast_work_handler); diff --git a/drivers/infiniband/core/core_priv.h b/drivers/infiniband/core/core_priv.h index a565af5c2d2..87d1936f5c1 100644 --- a/drivers/infiniband/core/core_priv.h +++ b/drivers/infiniband/core/core_priv.h @@ -49,4 +49,6 @@ void ib_sysfs_cleanup(void); int ib_cache_setup(void); void ib_cache_cleanup(void); +int ib_resolve_eth_l2_attrs(struct ib_qp *qp, + struct ib_qp_attr *qp_attr, int *qp_attr_mask); #endif /* _CORE_PRIV_H */ diff --git a/drivers/infiniband/core/sa_query.c b/drivers/infiniband/core/sa_query.c index 9838ca48438..f820958e404 100644 --- a/drivers/infiniband/core/sa_query.c +++ b/drivers/infiniband/core/sa_query.c @@ -42,7 +42,7 @@ #include <linux/kref.h> #include <linux/idr.h> #include <linux/workqueue.h> - +#include <uapi/linux/if_ether.h> #include <rdma/ib_pack.h> #include <rdma/ib_cache.h> #include "sa.h" @@ -556,6 +556,13 @@ int ib_init_ah_from_path(struct ib_device *device, u8 port_num, ah_attr->grh.hop_limit = rec->hop_limit; ah_attr->grh.traffic_class = rec->traffic_class; } + if (force_grh) { + memcpy(ah_attr->dmac, rec->dmac, ETH_ALEN); + ah_attr->vlan_id = rec->vlan_id; + } else { + ah_attr->vlan_id = 0xffff; + } + return 0; } EXPORT_SYMBOL(ib_init_ah_from_path); @@ -670,6 +677,9 @@ static void ib_sa_path_rec_callback(struct ib_sa_query *sa_query, ib_unpack(path_rec_table, ARRAY_SIZE(path_rec_table), mad->data, &rec); + rec.vlan_id = 0xffff; + memset(rec.dmac, 0, ETH_ALEN); + memset(rec.smac, 0, ETH_ALEN); query->callback(status, &rec, query->context); } else query->callback(status, NULL, query->context); diff --git a/drivers/infiniband/core/ucma.c b/drivers/infiniband/core/ucma.c index ab8b1c30b36..56a4b7ca7ee 100644 --- a/drivers/infiniband/core/ucma.c +++ b/drivers/infiniband/core/ucma.c @@ -655,24 +655,14 @@ 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); + rdma_ip2gid((struct sockaddr *)&route->addr.dst_addr, + (union ib_gid *)&resp->ib_route[0].dgid); + rdma_ip2gid((struct sockaddr *)&route->addr.src_addr, + (union ib_gid *)&resp->ib_route[0].sgid); resp->ib_route[0].pkey = cpu_to_be16(0xffff); break; case 2: diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c index f1cc83855af..ea6203ee7bc 100644 --- a/drivers/infiniband/core/uverbs_cmd.c +++ b/drivers/infiniband/core/uverbs_cmd.c @@ -40,6 +40,7 @@ #include <asm/uaccess.h> #include "uverbs.h" +#include "core_priv.h" struct uverbs_lock_class { struct lock_class_key key; @@ -1961,6 +1962,9 @@ ssize_t ib_uverbs_modify_qp(struct ib_uverbs_file *file, attr->alt_ah_attr.port_num = cmd.alt_dest.port_num; if (qp->real_qp == qp) { + ret = ib_resolve_eth_l2_attrs(qp, attr, &cmd.attr_mask); + if (ret) + goto out; ret = qp->device->modify_qp(qp, attr, modify_qp_mask(qp->qp_type, cmd.attr_mask), &udata); } else { diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c index 88590e3da8c..3ac79511543 100644 --- a/drivers/infiniband/core/verbs.c +++ b/drivers/infiniband/core/verbs.c @@ -44,6 +44,9 @@ #include <rdma/ib_verbs.h> #include <rdma/ib_cache.h> +#include <rdma/ib_addr.h> + +#include "core_priv.h" int ib_rate_to_mult(enum ib_rate rate) { @@ -195,8 +198,28 @@ int ib_init_ah_from_wc(struct ib_device *device, u8 port_num, struct ib_wc *wc, u32 flow_class; u16 gid_index; int ret; + int is_eth = (rdma_port_get_link_layer(device, port_num) == + IB_LINK_LAYER_ETHERNET); memset(ah_attr, 0, sizeof *ah_attr); + if (is_eth) { + if (!(wc->wc_flags & IB_WC_GRH)) + return -EPROTOTYPE; + + if (wc->wc_flags & IB_WC_WITH_SMAC && + wc->wc_flags & IB_WC_WITH_VLAN) { + memcpy(ah_attr->dmac, wc->smac, ETH_ALEN); + ah_attr->vlan_id = wc->vlan_id; + } else { + ret = rdma_addr_find_dmac_by_grh(&grh->dgid, &grh->sgid, + ah_attr->dmac, &ah_attr->vlan_id); + if (ret) + return ret; + } + } else { + ah_attr->vlan_id = 0xffff; + } + ah_attr->dlid = wc->slid; ah_attr->sl = wc->sl; ah_attr->src_path_bits = wc->dlid_path_bits; @@ -479,7 +502,9 @@ EXPORT_SYMBOL(ib_create_qp); static const struct { int valid; enum ib_qp_attr_mask req_param[IB_QPT_MAX]; + enum ib_qp_attr_mask req_param_add_eth[IB_QPT_MAX]; enum ib_qp_attr_mask opt_param[IB_QPT_MAX]; + enum ib_qp_attr_mask opt_param_add_eth[IB_QPT_MAX]; } qp_state_table[IB_QPS_ERR + 1][IB_QPS_ERR + 1] = { [IB_QPS_RESET] = { [IB_QPS_RESET] = { .valid = 1 }, @@ -560,6 +585,12 @@ static const struct { IB_QP_MAX_DEST_RD_ATOMIC | IB_QP_MIN_RNR_TIMER), }, + .req_param_add_eth = { + [IB_QPT_RC] = (IB_QP_SMAC), + [IB_QPT_UC] = (IB_QP_SMAC), + [IB_QPT_XRC_INI] = (IB_QP_SMAC), + [IB_QPT_XRC_TGT] = (IB_QP_SMAC) + }, .opt_param = { [IB_QPT_UD] = (IB_QP_PKEY_INDEX | IB_QP_QKEY), @@ -579,7 +610,21 @@ static const struct { IB_QP_QKEY), [IB_QPT_GSI] = (IB_QP_PKEY_INDEX | IB_QP_QKEY), - } + }, + .opt_param_add_eth = { + [IB_QPT_RC] = (IB_QP_ALT_SMAC | + IB_QP_VID | + IB_QP_ALT_VID), + [IB_QPT_UC] = (IB_QP_ALT_SMAC | + IB_QP_VID | + IB_QP_ALT_VID), + [IB_QPT_XRC_INI] = (IB_QP_ALT_SMAC | + IB_QP_VID | + IB_QP_ALT_VID), + [IB_QPT_XRC_TGT] = (IB_QP_ALT_SMAC | + IB_QP_VID | + IB_QP_ALT_VID) + } } }, [IB_QPS_RTR] = { @@ -782,7 +827,8 @@ static const struct { }; int ib_modify_qp_is_ok(enum ib_qp_state cur_state, enum ib_qp_state next_state, - enum ib_qp_type type, enum ib_qp_attr_mask mask) + enum ib_qp_type type, enum ib_qp_attr_mask mask, + enum rdma_link_layer ll) { enum ib_qp_attr_mask req_param, opt_param; @@ -801,6 +847,13 @@ int ib_modify_qp_is_ok(enum ib_qp_state cur_state, enum ib_qp_state next_state, req_param = qp_state_table[cur_state][next_state].req_param[type]; opt_param = qp_state_table[cur_state][next_state].opt_param[type]; + if (ll == IB_LINK_LAYER_ETHERNET) { + req_param |= qp_state_table[cur_state][next_state]. + req_param_add_eth[type]; + opt_param |= qp_state_table[cur_state][next_state]. + opt_param_add_eth[type]; + } + if ((mask & req_param) != req_param) return 0; @@ -811,10 +864,51 @@ int ib_modify_qp_is_ok(enum ib_qp_state cur_state, enum ib_qp_state next_state, } EXPORT_SYMBOL(ib_modify_qp_is_ok); +int ib_resolve_eth_l2_attrs(struct ib_qp *qp, + struct ib_qp_attr *qp_attr, int *qp_attr_mask) +{ + int ret = 0; + union ib_gid sgid; + + if ((*qp_attr_mask & IB_QP_AV) && + (rdma_port_get_link_layer(qp->device, qp_attr->ah_attr.port_num) == IB_LINK_LAYER_ETHERNET)) { + ret = ib_query_gid(qp->device, qp_attr->ah_attr.port_num, + qp_attr->ah_attr.grh.sgid_index, &sgid); + if (ret) + goto out; + if (rdma_link_local_addr((struct in6_addr *)qp_attr->ah_attr.grh.dgid.raw)) { + rdma_get_ll_mac((struct in6_addr *)qp_attr->ah_attr.grh.dgid.raw, qp_attr->ah_attr.dmac); + rdma_get_ll_mac((struct in6_addr *)sgid.raw, qp_attr->smac); + qp_attr->vlan_id = rdma_get_vlan_id(&sgid); + } else { + ret = rdma_addr_find_dmac_by_grh(&sgid, &qp_attr->ah_attr.grh.dgid, + qp_attr->ah_attr.dmac, &qp_attr->vlan_id); + if (ret) + goto out; + ret = rdma_addr_find_smac_by_sgid(&sgid, qp_attr->smac, NULL); + if (ret) + goto out; + } + *qp_attr_mask |= IB_QP_SMAC; + if (qp_attr->vlan_id < 0xFFFF) + *qp_attr_mask |= IB_QP_VID; + } +out: + return ret; +} +EXPORT_SYMBOL(ib_resolve_eth_l2_attrs); + + int ib_modify_qp(struct ib_qp *qp, struct ib_qp_attr *qp_attr, int qp_attr_mask) { + int ret; + + ret = ib_resolve_eth_l2_attrs(qp, qp_attr, &qp_attr_mask); + if (ret) + return ret; + return qp->device->modify_qp(qp->real_qp, qp_attr, qp_attr_mask, NULL); } EXPORT_SYMBOL(ib_modify_qp); diff --git a/drivers/infiniband/hw/ehca/ehca_qp.c b/drivers/infiniband/hw/ehca/ehca_qp.c index 00d6861a6a1..2e89356c46f 100644 --- a/drivers/infiniband/hw/ehca/ehca_qp.c +++ b/drivers/infiniband/hw/ehca/ehca_qp.c @@ -1329,7 +1329,7 @@ static int internal_modify_qp(struct ib_qp *ibqp, qp_new_state = attr_mask & IB_QP_STATE ? attr->qp_state : qp_cur_state; if (!smi_reset2init && !ib_modify_qp_is_ok(qp_cur_state, qp_new_state, ibqp->qp_type, - attr_mask)) { + attr_mask, IB_LINK_LAYER_UNSPECIFIED)) { ret = -EINVAL; ehca_err(ibqp->device, "Invalid qp transition new_state=%x cur_state=%x " diff --git a/drivers/infiniband/hw/ipath/ipath_qp.c b/drivers/infiniband/hw/ipath/ipath_qp.c index 0857a9c3cd3..face87602dc 100644 --- a/drivers/infiniband/hw/ipath/ipath_qp.c +++ b/drivers/infiniband/hw/ipath/ipath_qp.c @@ -463,7 +463,7 @@ int ipath_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, new_state = attr_mask & IB_QP_STATE ? attr->qp_state : cur_state; if (!ib_modify_qp_is_ok(cur_state, new_state, ibqp->qp_type, - attr_mask)) + attr_mask, IB_LINK_LAYER_UNSPECIFIED)) goto inval; if (attr_mask & IB_QP_AV) { diff --git a/drivers/infiniband/hw/mlx4/Kconfig b/drivers/infiniband/hw/mlx4/Kconfig index 24ab11a9ad1..fc01deac1d3 100644 --- a/drivers/infiniband/hw/mlx4/Kconfig +++ b/drivers/infiniband/hw/mlx4/Kconfig @@ -1,6 +1,6 @@ config MLX4_INFINIBAND tristate "Mellanox ConnectX HCA support" - depends on NETDEVICES && ETHERNET && PCI + depends on NETDEVICES && ETHERNET && PCI && INET select NET_VENDOR_MELLANOX select MLX4_CORE ---help--- diff --git a/drivers/infiniband/hw/mlx4/ah.c b/drivers/infiniband/hw/mlx4/ah.c index a251becdaa9..170dca60804 100644 --- a/drivers/infiniband/hw/mlx4/ah.c +++ b/drivers/infiniband/hw/mlx4/ah.c @@ -39,25 +39,6 @@ #include "mlx4_ib.h" -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 in6_addr in6; - - *is_mcast = 0; - - 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; - - return 0; -} - static struct ib_ah *create_ib_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr, struct mlx4_ib_ah *ah) { @@ -92,21 +73,18 @@ static struct ib_ah *create_iboe_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr { 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; + struct in6_addr in6; 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); + memcpy(&in6, ah_attr->grh.dgid.raw, sizeof(in6)); + if (rdma_is_multicast_addr(&in6)) { + is_mcast = 1; + rdma_get_mcast_mac(&in6, ah->av.eth.mac); + } else { + memcpy(ah->av.eth.mac, ah_attr->dmac, ETH_ALEN); + } + vlan_tag = ah_attr->vlan_id; 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)); diff --git a/drivers/infiniband/hw/mlx4/cq.c b/drivers/infiniband/hw/mlx4/cq.c index 66dbf806237..cc40f08ca8f 100644 --- a/drivers/infiniband/hw/mlx4/cq.c +++ b/drivers/infiniband/hw/mlx4/cq.c @@ -798,6 +798,15 @@ repoll: wc->sl = be16_to_cpu(cqe->sl_vid) >> 13; else wc->sl = be16_to_cpu(cqe->sl_vid) >> 12; + if (be32_to_cpu(cqe->vlan_my_qpn) & MLX4_CQE_VLAN_PRESENT_MASK) { + wc->vlan_id = be16_to_cpu(cqe->sl_vid) & + MLX4_CQE_VID_MASK; + } else { + wc->vlan_id = 0xffff; + } + wc->wc_flags |= IB_WC_WITH_VLAN; + memcpy(wc->smac, cqe->smac, ETH_ALEN); + wc->wc_flags |= IB_WC_WITH_SMAC; } return 0; diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c index ea5844e89b2..c2702f549f1 100644 --- a/drivers/infiniband/hw/mlx4/main.c +++ b/drivers/infiniband/hw/mlx4/main.c @@ -39,6 +39,8 @@ #include <linux/inetdevice.h> #include <linux/rtnetlink.h> #include <linux/if_vlan.h> +#include <net/ipv6.h> +#include <net/addrconf.h> #include <rdma/ib_smi.h> #include <rdma/ib_user_verbs.h> @@ -794,7 +796,6 @@ static int add_gid_entry(struct ib_qp *ibqp, union ib_gid *gid) 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; @@ -808,11 +809,7 @@ int mlx4_ib_add_mc(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp, 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); } @@ -1164,6 +1161,8 @@ static int mlx4_ib_mcg_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid) struct mlx4_ib_qp *mqp = to_mqp(ibqp); u64 reg_id; struct mlx4_ib_steering *ib_steering = NULL; + enum mlx4_protocol prot = (gid->raw[1] == 0x0e) ? + MLX4_PROT_IB_IPV4 : MLX4_PROT_IB_IPV6; if (mdev->dev->caps.steering_mode == MLX4_STEERING_MODE_DEVICE_MANAGED) { @@ -1175,7 +1174,7 @@ static int mlx4_ib_mcg_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid) err = mlx4_multicast_attach(mdev->dev, &mqp->mqp, gid->raw, mqp->port, !!(mqp->flags & MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK), - MLX4_PROT_IB_IPV6, ®_id); + prot, ®_id); if (err) goto err_malloc; @@ -1194,7 +1193,7 @@ static int mlx4_ib_mcg_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid) err_add: mlx4_multicast_detach(mdev->dev, &mqp->mqp, gid->raw, - MLX4_PROT_IB_IPV6, reg_id); + prot, reg_id); err_malloc: kfree(ib_steering); @@ -1222,10 +1221,11 @@ static int mlx4_ib_mcg_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid) 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; u64 reg_id = 0; + enum mlx4_protocol prot = (gid->raw[1] == 0x0e) ? + MLX4_PROT_IB_IPV4 : MLX4_PROT_IB_IPV6; if (mdev->dev->caps.steering_mode == MLX4_STEERING_MODE_DEVICE_MANAGED) { @@ -1248,7 +1248,7 @@ static int mlx4_ib_mcg_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid) } err = mlx4_multicast_detach(mdev->dev, &mqp->mqp, gid->raw, - MLX4_PROT_IB_IPV6, reg_id); + prot, reg_id); if (err) return err; @@ -1260,13 +1260,8 @@ static int mlx4_ib_mcg_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid) 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(); + if (ndev) dev_put(ndev); - } list_del(&ge->list); kfree(ge); } else @@ -1362,20 +1357,6 @@ 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); @@ -1398,161 +1379,318 @@ static void update_gids_task(struct work_struct *work) MLX4_CMD_WRAPPED); if (err) pr_warn("set port command failed\n"); - else { - memcpy(gw->dev->iboe.gid_table[gw->port - 1], gw->gids, sizeof gw->gids); + else mlx4_ib_dispatch_event(gw->dev, gw->port, IB_EVENT_GID_CHANGE); - } mlx4_free_cmd_mailbox(dev, mailbox); kfree(gw); } -static int update_ipv6_gids(struct mlx4_ib_dev *dev, int port, int clear) +static void reset_gids_task(struct work_struct *work) { - struct net_device *ndev = dev->iboe.netdevs[port - 1]; - struct update_gid_work *work; - struct net_device *tmp; + struct update_gid_work *gw = + container_of(work, struct update_gid_work, work); + struct mlx4_cmd_mailbox *mailbox; + union ib_gid *gids; + int err; int i; - u8 *hits; - int ret; - union ib_gid gid; - int free; - int found; - int need_update = 0; - u16 vid; + struct mlx4_dev *dev = gw->dev->dev; - work = kzalloc(sizeof *work, GFP_ATOMIC); - if (!work) - return -ENOMEM; + mailbox = mlx4_alloc_cmd_mailbox(dev); + if (IS_ERR(mailbox)) { + pr_warn("reset gid table failed\n"); + goto free; + } - hits = kzalloc(128, GFP_ATOMIC); - if (!hits) { - ret = -ENOMEM; - goto out; + gids = mailbox->buf; + memcpy(gids, gw->gids, sizeof(gw->gids)); + + for (i = 1; i < gw->dev->num_ports + 1; i++) { + if (mlx4_ib_port_link_layer(&gw->dev->ib_dev, i) == + IB_LINK_LAYER_ETHERNET) { + err = mlx4_cmd(dev, mailbox->dma, + MLX4_SET_PORT_GID_TABLE << 8 | i, + 1, MLX4_CMD_SET_PORT, + MLX4_CMD_TIME_CLASS_B, + MLX4_CMD_WRAPPED); + if (err) + pr_warn(KERN_WARNING + "set port %d command failed\n", i); + } } - rcu_read_lock(); - for_each_netdev_rcu(&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; - } - } + mlx4_free_cmd_mailbox(dev, mailbox); +free: + kfree(gw); +} - 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; - } +static int update_gid_table(struct mlx4_ib_dev *dev, int port, + union ib_gid *gid, int clear) +{ + struct update_gid_work *work; + int i; + int need_update = 0; + int free = -1; + int found = -1; + int max_gids; + + max_gids = dev->dev->caps.gid_table_len[port]; + for (i = 0; i < max_gids; ++i) { + if (!memcmp(&dev->iboe.gid_table[port - 1][i], gid, + sizeof(*gid))) + found = i; + + if (clear) { + if (found >= 0) { + need_update = 1; + dev->iboe.gid_table[port - 1][found] = zgid; + break; } + } else { + if (found >= 0) + break; + + if (free < 0 && + !memcmp(&dev->iboe.gid_table[port - 1][i], &zgid, + sizeof(*gid))) + free = i; } } - rcu_read_unlock(); - 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 (found == -1 && !clear && free >= 0) { + dev->iboe.gid_table[port - 1][free] = *gid; + need_update = 1; + } - 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); + if (!need_update) + return 0; + + work = kzalloc(sizeof(*work), GFP_ATOMIC); + if (!work) + return -ENOMEM; + + 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); - kfree(hits); return 0; +} -out: - kfree(work); - return ret; +static int reset_gid_table(struct mlx4_ib_dev *dev) +{ + struct update_gid_work *work; + + + work = kzalloc(sizeof(*work), GFP_ATOMIC); + if (!work) + return -ENOMEM; + memset(dev->iboe.gid_table, 0, sizeof(dev->iboe.gid_table)); + memset(work->gids, 0, sizeof(work->gids)); + INIT_WORK(&work->work, reset_gids_task); + work->dev = dev; + queue_work(wq, &work->work); + return 0; } -static void handle_en_event(struct mlx4_ib_dev *dev, int port, unsigned long event) +static int mlx4_ib_addr_event(int event, struct net_device *event_netdev, + struct mlx4_ib_dev *ibdev, union ib_gid *gid) { - switch (event) { - case NETDEV_UP: - case NETDEV_CHANGEADDR: - update_ipv6_gids(dev, port, 0); - break; + struct mlx4_ib_iboe *iboe; + int port = 0; + struct net_device *real_dev = rdma_vlan_dev_real_dev(event_netdev) ? + rdma_vlan_dev_real_dev(event_netdev) : + event_netdev; + + if (event != NETDEV_DOWN && event != NETDEV_UP) + return 0; + + if ((real_dev != event_netdev) && + (event == NETDEV_DOWN) && + rdma_link_local_addr((struct in6_addr *)gid)) + return 0; + + iboe = &ibdev->iboe; + spin_lock(&iboe->lock); + + for (port = 1; port <= MLX4_MAX_PORTS; ++port) + if ((netif_is_bond_master(real_dev) && + (real_dev == iboe->masters[port - 1])) || + (!netif_is_bond_master(real_dev) && + (real_dev == iboe->netdevs[port - 1]))) + update_gid_table(ibdev, port, gid, + event == NETDEV_DOWN); + + spin_unlock(&iboe->lock); + return 0; - 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) +static u8 mlx4_ib_get_dev_port(struct net_device *dev, + struct mlx4_ib_dev *ibdev) { - update_ipv6_gids(dev, port, 0); + u8 port = 0; + struct mlx4_ib_iboe *iboe; + struct net_device *real_dev = rdma_vlan_dev_real_dev(dev) ? + rdma_vlan_dev_real_dev(dev) : dev; + + iboe = &ibdev->iboe; + spin_lock(&iboe->lock); + + for (port = 1; port <= MLX4_MAX_PORTS; ++port) + if ((netif_is_bond_master(real_dev) && + (real_dev == iboe->masters[port - 1])) || + (!netif_is_bond_master(real_dev) && + (real_dev == iboe->netdevs[port - 1]))) + break; + + spin_unlock(&iboe->lock); + + if ((port == 0) || (port > MLX4_MAX_PORTS)) + return 0; + else + return port; } -static void netdev_removed(struct mlx4_ib_dev *dev, int port) +static int mlx4_ib_inet_event(struct notifier_block *this, unsigned long event, + void *ptr) { - update_ipv6_gids(dev, port, 1); + struct mlx4_ib_dev *ibdev; + struct in_ifaddr *ifa = ptr; + union ib_gid gid; + struct net_device *event_netdev = ifa->ifa_dev->dev; + + ipv6_addr_set_v4mapped(ifa->ifa_address, (struct in6_addr *)&gid); + + ibdev = container_of(this, struct mlx4_ib_dev, iboe.nb_inet); + + mlx4_ib_addr_event(event, event_netdev, ibdev, &gid); + return NOTIFY_DONE; } -static int mlx4_ib_netdev_event(struct notifier_block *this, unsigned long event, +#if IS_ENABLED(CONFIG_IPV6) +static int mlx4_ib_inet6_event(struct notifier_block *this, unsigned long event, void *ptr) { - struct net_device *dev = netdev_notifier_info_to_dev(ptr); struct mlx4_ib_dev *ibdev; - struct net_device *oldnd; + struct inet6_ifaddr *ifa = ptr; + union ib_gid *gid = (union ib_gid *)&ifa->addr; + struct net_device *event_netdev = ifa->idev->dev; + + ibdev = container_of(this, struct mlx4_ib_dev, iboe.nb_inet6); + + mlx4_ib_addr_event(event, event_netdev, ibdev, gid); + return NOTIFY_DONE; +} +#endif + +static void mlx4_ib_get_dev_addr(struct net_device *dev, + struct mlx4_ib_dev *ibdev, u8 port) +{ + struct in_device *in_dev; +#if IS_ENABLED(CONFIG_IPV6) + struct inet6_dev *in6_dev; + union ib_gid *pgid; + struct inet6_ifaddr *ifp; +#endif + union ib_gid gid; + + + if ((port == 0) || (port > MLX4_MAX_PORTS)) + return; + + /* IPv4 gids */ + in_dev = in_dev_get(dev); + if (in_dev) { + for_ifa(in_dev) { + /*ifa->ifa_address;*/ + ipv6_addr_set_v4mapped(ifa->ifa_address, + (struct in6_addr *)&gid); + update_gid_table(ibdev, port, &gid, 0); + } + endfor_ifa(in_dev); + in_dev_put(in_dev); + } +#if IS_ENABLED(CONFIG_IPV6) + /* IPv6 gids */ + in6_dev = in6_dev_get(dev); + if (in6_dev) { + read_lock_bh(&in6_dev->lock); + list_for_each_entry(ifp, &in6_dev->addr_list, if_list) { + pgid = (union ib_gid *)&ifp->addr; + update_gid_table(ibdev, port, pgid, 0); + } + read_unlock_bh(&in6_dev->lock); + in6_dev_put(in6_dev); + } +#endif +} + +static int mlx4_ib_init_gid_table(struct mlx4_ib_dev *ibdev) +{ + struct net_device *dev; + + if (reset_gid_table(ibdev)) + return -1; + + read_lock(&dev_base_lock); + + for_each_netdev(&init_net, dev) { + u8 port = mlx4_ib_get_dev_port(dev, ibdev); + if (port) + mlx4_ib_get_dev_addr(dev, ibdev, port); + } + + read_unlock(&dev_base_lock); + + return 0; +} + +static void mlx4_ib_scan_netdevs(struct mlx4_ib_dev *ibdev) +{ 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]; + struct net_device *old_master = iboe->masters[port - 1]; + struct net_device *curr_master; iboe->netdevs[port - 1] = mlx4_get_protocol_dev(ibdev->dev, MLX4_PROT_ETH, port); - if (oldnd != iboe->netdevs[port - 1]) { - if (iboe->netdevs[port - 1]) - netdev_added(ibdev, port); - else - netdev_removed(ibdev, port); + + if (iboe->netdevs[port - 1] && + netif_is_bond_slave(iboe->netdevs[port - 1])) { + rtnl_lock(); + iboe->masters[port - 1] = netdev_master_upper_dev_get( + iboe->netdevs[port - 1]); + rtnl_unlock(); } - } + curr_master = iboe->masters[port - 1]; - 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); + /* if bonding is used it is possible that we add it to masters + only after IP address is assigned to the net bonding + interface */ + if (curr_master && (old_master != curr_master)) + mlx4_ib_get_dev_addr(curr_master, ibdev, port); + } spin_unlock(&iboe->lock); +} + +static int mlx4_ib_netdev_event(struct notifier_block *this, + unsigned long event, void *ptr) +{ + struct net_device *dev = netdev_notifier_info_to_dev(ptr); + struct mlx4_ib_dev *ibdev; + + if (!net_eq(dev_net(dev), &init_net)) + return NOTIFY_DONE; + + ibdev = container_of(this, struct mlx4_ib_dev, iboe.nb); + mlx4_ib_scan_netdevs(ibdev); return NOTIFY_DONE; } @@ -1886,11 +2024,35 @@ static void *mlx4_ib_add(struct mlx4_dev *dev) if (mlx4_ib_init_sriov(ibdev)) goto err_mad; - 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_sriov; + if (dev->caps.flags & MLX4_DEV_CAP_FLAG_IBOE) { + if (!iboe->nb.notifier_call) { + iboe->nb.notifier_call = mlx4_ib_netdev_event; + err = register_netdevice_notifier(&iboe->nb); + if (err) { + iboe->nb.notifier_call = NULL; + goto err_notif; + } + } + if (!iboe->nb_inet.notifier_call) { + iboe->nb_inet.notifier_call = mlx4_ib_inet_event; + err = register_inetaddr_notifier(&iboe->nb_inet); + if (err) { + iboe->nb_inet.notifier_call = NULL; + goto err_notif; + } + } +#if IS_ENABLED(CONFIG_IPV6) + if (!iboe->nb_inet6.notifier_call) { + iboe->nb_inet6.notifier_call = mlx4_ib_inet6_event; + err = register_inet6addr_notifier(&iboe->nb_inet6); + if (err) { + iboe->nb_inet6.notifier_call = NULL; + goto err_notif; + } + } +#endif + mlx4_ib_scan_netdevs(ibdev); + mlx4_ib_init_gid_table(ibdev); } for (j = 0; j < ARRAY_SIZE(mlx4_class_attributes); ++j) { @@ -1916,11 +2078,25 @@ static void *mlx4_ib_add(struct mlx4_dev *dev) return ibdev; err_notif: - if (unregister_netdevice_notifier(&ibdev->iboe.nb)) - pr_warn("failure unregistering notifier\n"); + if (ibdev->iboe.nb.notifier_call) { + if (unregister_netdevice_notifier(&ibdev->iboe.nb)) + pr_warn("failure unregistering notifier\n"); + ibdev->iboe.nb.notifier_call = NULL; + } + if (ibdev->iboe.nb_inet.notifier_call) { + if (unregister_inetaddr_notifier(&ibdev->iboe.nb_inet)) + pr_warn("failure unregistering notifier\n"); + ibdev->iboe.nb_inet.notifier_call = NULL; + } +#if IS_ENABLED(CONFIG_IPV6) + if (ibdev->iboe.nb_inet6.notifier_call) { + if (unregister_inet6addr_notifier(&ibdev->iboe.nb_inet6)) + pr_warn("failure unregistering notifier\n"); + ibdev->iboe.nb_inet6.notifier_call = NULL; + } +#endif flush_workqueue(wq); -err_sriov: mlx4_ib_close_sriov(ibdev); err_mad: @@ -2039,6 +2215,19 @@ static void mlx4_ib_remove(struct mlx4_dev *dev, void *ibdev_ptr) kfree(ibdev->ib_uc_qpns_bitmap); } + if (ibdev->iboe.nb_inet.notifier_call) { + if (unregister_inetaddr_notifier(&ibdev->iboe.nb_inet)) + pr_warn("failure unregistering notifier\n"); + ibdev->iboe.nb_inet.notifier_call = NULL; + } +#if IS_ENABLED(CONFIG_IPV6) + if (ibdev->iboe.nb_inet6.notifier_call) { + if (unregister_inet6addr_notifier(&ibdev->iboe.nb_inet6)) + pr_warn("failure unregistering notifier\n"); + ibdev->iboe.nb_inet6.notifier_call = NULL; + } +#endif + iounmap(ibdev->uar_map); for (p = 0; p < ibdev->num_ports; ++p) if (ibdev->counters[p] != -1) diff --git a/drivers/infiniband/hw/mlx4/mlx4_ib.h b/drivers/infiniband/hw/mlx4/mlx4_ib.h index 837f9aa3d2a..a230683af94 100644 --- a/drivers/infiniband/hw/mlx4/mlx4_ib.h +++ b/drivers/infiniband/hw/mlx4/mlx4_ib.h @@ -432,7 +432,10 @@ struct mlx4_ib_sriov { struct mlx4_ib_iboe { spinlock_t lock; struct net_device *netdevs[MLX4_MAX_PORTS]; + struct net_device *masters[MLX4_MAX_PORTS]; struct notifier_block nb; + struct notifier_block nb_inet; + struct notifier_block nb_inet6; union ib_gid gid_table[MLX4_MAX_PORTS][128]; }; @@ -683,9 +686,6 @@ int __mlx4_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index, int __mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index, union ib_gid *gid, int netw_view); -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 bool mlx4_ib_ah_grh_present(struct mlx4_ib_ah *ah) { u8 port = be32_to_cpu(ah->av.ib.port_pd) >> 24 & 3; diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c index 387fbf27415..d8f4d1fe849 100644 --- a/drivers/infiniband/hw/mlx4/qp.c +++ b/drivers/infiniband/hw/mlx4/qp.c @@ -90,6 +90,21 @@ enum { MLX4_RAW_QP_MSGMAX = 31, }; +#ifndef ETH_ALEN +#define ETH_ALEN 6 +#endif +static inline u64 mlx4_mac_to_u64(u8 *addr) +{ + u64 mac = 0; + int i; + + for (i = 0; i < ETH_ALEN; i++) { + mac <<= 8; + mac |= addr[i]; + } + return mac; +} + static const __be32 mlx4_ib_opcode[] = { [IB_WR_SEND] = cpu_to_be32(MLX4_OPCODE_SEND), [IB_WR_LSO] = cpu_to_be32(MLX4_OPCODE_LSO), @@ -1171,16 +1186,15 @@ static void mlx4_set_sched(struct mlx4_qp_path *path, u8 port) path->sched_queue = (path->sched_queue & 0xbf) | ((port - 1) << 6); } -static int mlx4_set_path(struct mlx4_ib_dev *dev, const struct ib_ah_attr *ah, - struct mlx4_qp_path *path, u8 port) +static int _mlx4_set_path(struct mlx4_ib_dev *dev, const struct ib_ah_attr *ah, + u64 smac, u16 vlan_tag, 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; + int smac_index; + path->grh_mylmc = ah->src_path_bits & 0x7f; path->rlid = cpu_to_be16(ah->dlid); @@ -1215,22 +1229,27 @@ static int mlx4_set_path(struct mlx4_ib_dev *dev, const struct ib_ah_attr *ah, 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); + memcpy(path->dmac, ah->dmac, ETH_ALEN); path->ackto = MLX4_IB_LINK_TYPE_ETH; - /* use index 0 into MAC table for IBoE */ - path->grh_mylmc &= 0x80; + /* find the index into MAC table for IBoE */ + if (!is_zero_ether_addr((const u8 *)&smac)) { + if (mlx4_find_cached_mac(dev->dev, port, smac, + &smac_index)) + return -ENOENT; + } else { + smac_index = 0; + } - vlan_tag = rdma_get_vlan_id(&dev->iboe.gid_table[port - 1][ah->grh.sgid_index]); + path->grh_mylmc &= 0x80 | smac_index; + + path->feup |= MLX4_FEUP_FORCE_ETH_UP; 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; + path->feup |= MLX4_FVL_FORCE_ETH_VLAN; } } else path->sched_queue = MLX4_IB_DEFAULT_SCHED_QUEUE | @@ -1239,6 +1258,28 @@ static int mlx4_set_path(struct mlx4_ib_dev *dev, const struct ib_ah_attr *ah, return 0; } +static int mlx4_set_path(struct mlx4_ib_dev *dev, const struct ib_qp_attr *qp, + enum ib_qp_attr_mask qp_attr_mask, + struct mlx4_qp_path *path, u8 port) +{ + return _mlx4_set_path(dev, &qp->ah_attr, + mlx4_mac_to_u64((u8 *)qp->smac), + (qp_attr_mask & IB_QP_VID) ? qp->vlan_id : 0xffff, + path, port); +} + +static int mlx4_set_alt_path(struct mlx4_ib_dev *dev, + const struct ib_qp_attr *qp, + enum ib_qp_attr_mask qp_attr_mask, + struct mlx4_qp_path *path, u8 port) +{ + return _mlx4_set_path(dev, &qp->alt_ah_attr, + mlx4_mac_to_u64((u8 *)qp->alt_smac), + (qp_attr_mask & IB_QP_ALT_VID) ? + qp->alt_vlan_id : 0xffff, + path, port); +} + static void update_mcg_macs(struct mlx4_ib_dev *dev, struct mlx4_ib_qp *qp) { struct mlx4_ib_gid_entry *ge, *tmp; @@ -1362,7 +1403,7 @@ static int __mlx4_ib_modify_qp(struct ib_qp *ibqp, } if (attr_mask & IB_QP_AV) { - if (mlx4_set_path(dev, &attr->ah_attr, &context->pri_path, + if (mlx4_set_path(dev, attr, attr_mask, &context->pri_path, attr_mask & IB_QP_PORT ? attr->port_num : qp->port)) goto out; @@ -1385,8 +1426,8 @@ static int __mlx4_ib_modify_qp(struct ib_qp *ibqp, dev->dev->caps.pkey_table_len[attr->alt_port_num]) goto out; - if (mlx4_set_path(dev, &attr->alt_ah_attr, &context->alt_path, - attr->alt_port_num)) + if (mlx4_set_alt_path(dev, attr, attr_mask, &context->alt_path, + attr->alt_port_num)) goto out; context->alt_path.pkey_index = attr->alt_pkey_index; @@ -1497,6 +1538,17 @@ static int __mlx4_ib_modify_qp(struct ib_qp *ibqp, context->pri_path.ackto = (context->pri_path.ackto & 0xf8) | MLX4_IB_LINK_TYPE_ETH; + if (ibqp->qp_type == IB_QPT_UD && (new_state == IB_QPS_RTR)) { + int is_eth = rdma_port_get_link_layer( + &dev->ib_dev, qp->port) == + IB_LINK_LAYER_ETHERNET; + if (is_eth) { + context->pri_path.ackto = MLX4_IB_LINK_TYPE_ETH; + optpar |= MLX4_QP_OPTPAR_PRIMARY_ADDR_PATH; + } + } + + if (cur_state == IB_QPS_RTS && new_state == IB_QPS_SQD && attr_mask & IB_QP_EN_SQD_ASYNC_NOTIFY && attr->en_sqd_async_notify) sqd_event = 1; @@ -1599,13 +1651,21 @@ int mlx4_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, struct mlx4_ib_qp *qp = to_mqp(ibqp); enum ib_qp_state cur_state, new_state; int err = -EINVAL; - + int ll; mutex_lock(&qp->mutex); cur_state = attr_mask & IB_QP_CUR_STATE ? attr->cur_qp_state : qp->state; new_state = attr_mask & IB_QP_STATE ? attr->qp_state : cur_state; - if (!ib_modify_qp_is_ok(cur_state, new_state, ibqp->qp_type, attr_mask)) { + if (cur_state == new_state && cur_state == IB_QPS_RESET) { + ll = IB_LINK_LAYER_UNSPECIFIED; + } else { + int port = attr_mask & IB_QP_PORT ? attr->port_num : qp->port; + ll = rdma_port_get_link_layer(&dev->ib_dev, port); + } + + if (!ib_modify_qp_is_ok(cur_state, new_state, ibqp->qp_type, + attr_mask, ll)) { pr_debug("qpn 0x%x: invalid attribute mask specified " "for transition %d to %d. qp_type %d," " attr_mask 0x%x\n", @@ -1822,8 +1882,10 @@ static int build_mlx_header(struct mlx4_ib_sqp *sqp, struct ib_send_wr *wr, return err; } - vlan = rdma_get_vlan_id(&sgid); - is_vlan = vlan < 0x1000; + if (ah->av.eth.vlan != 0xffff) { + vlan = be16_to_cpu(ah->av.eth.vlan) & 0x0fff; + is_vlan = 1; + } } ib_ud_header_init(send_size, !is_eth, is_eth, is_vlan, is_grh, 0, &sqp->ud_header); diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c index 70dd77085db..ae37fb9bf26 100644 --- a/drivers/infiniband/hw/mlx5/qp.c +++ b/drivers/infiniband/hw/mlx5/qp.c @@ -1664,7 +1664,8 @@ int mlx5_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, new_state = attr_mask & IB_QP_STATE ? attr->qp_state : cur_state; if (ibqp->qp_type != MLX5_IB_QPT_REG_UMR && - !ib_modify_qp_is_ok(cur_state, new_state, ibqp->qp_type, attr_mask)) + !ib_modify_qp_is_ok(cur_state, new_state, ibqp->qp_type, attr_mask, + IB_LINK_LAYER_UNSPECIFIED)) goto out; if ((attr_mask & IB_QP_PORT) && diff --git a/drivers/infiniband/hw/mthca/mthca_qp.c b/drivers/infiniband/hw/mthca/mthca_qp.c index 26a68453610..e354b2f04ad 100644 --- a/drivers/infiniband/hw/mthca/mthca_qp.c +++ b/drivers/infiniband/hw/mthca/mthca_qp.c @@ -860,7 +860,8 @@ int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask, new_state = attr_mask & IB_QP_STATE ? attr->qp_state : cur_state; - if (!ib_modify_qp_is_ok(cur_state, new_state, ibqp->qp_type, attr_mask)) { + if (!ib_modify_qp_is_ok(cur_state, new_state, ibqp->qp_type, attr_mask, + IB_LINK_LAYER_UNSPECIFIED)) { mthca_dbg(dev, "Bad QP transition (transport %d) " "%d->%d with attr 0x%08x\n", qp->transport, cur_state, new_state, diff --git a/drivers/infiniband/hw/ocrdma/Kconfig b/drivers/infiniband/hw/ocrdma/Kconfig index b5b6056c851..c0cddc0192d 100644 --- a/drivers/infiniband/hw/ocrdma/Kconfig +++ b/drivers/infiniband/hw/ocrdma/Kconfig @@ -1,6 +1,6 @@ config INFINIBAND_OCRDMA tristate "Emulex One Connect HCA support" - depends on ETHERNET && NETDEVICES && PCI && (IPV6 || IPV6=n) + depends on ETHERNET && NETDEVICES && PCI && INET && (IPV6 || IPV6=n) select NET_VENDOR_EMULEX select BE2NET ---help--- diff --git a/drivers/infiniband/hw/ocrdma/ocrdma.h b/drivers/infiniband/hw/ocrdma/ocrdma.h index 294dd27b601..7c001b97b23 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma.h +++ b/drivers/infiniband/hw/ocrdma/ocrdma.h @@ -423,5 +423,17 @@ static inline int is_cqe_wr_imm(struct ocrdma_cqe *cqe) OCRDMA_CQE_WRITE_IMM) ? 1 : 0; } +static inline int ocrdma_resolve_dmac(struct ocrdma_dev *dev, + struct ib_ah_attr *ah_attr, u8 *mac_addr) +{ + struct in6_addr in6; + + memcpy(&in6, ah_attr->grh.dgid.raw, sizeof(in6)); + if (rdma_is_multicast_addr(&in6)) + rdma_get_mcast_mac(&in6, mac_addr); + else + memcpy(mac_addr, ah_attr->dmac, ETH_ALEN); + return 0; +} #endif diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_ah.c b/drivers/infiniband/hw/ocrdma/ocrdma_ah.c index 69da5dd1ca8..34071143006 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_ah.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_ah.c @@ -49,7 +49,7 @@ static inline int set_av_attr(struct ocrdma_dev *dev, struct ocrdma_ah *ah, ah->sgid_index = attr->grh.sgid_index; - vlan_tag = rdma_get_vlan_id(&attr->grh.dgid); + vlan_tag = attr->vlan_id; if (!vlan_tag || (vlan_tag > 0xFFF)) vlan_tag = dev->pvid; if (vlan_tag && (vlan_tag < 0x1000)) { @@ -64,7 +64,8 @@ static inline int set_av_attr(struct ocrdma_dev *dev, struct ocrdma_ah *ah, eth_sz = sizeof(struct ocrdma_eth_basic); } memcpy(ð.smac[0], &dev->nic_info.mac_addr[0], ETH_ALEN); - status = ocrdma_resolve_dgid(dev, &attr->grh.dgid, ð.dmac[0]); + memcpy(ð.dmac[0], attr->dmac, ETH_ALEN); + status = ocrdma_resolve_dmac(dev, attr, ð.dmac[0]); if (status) return status; status = ocrdma_query_gid(&dev->ibdev, 1, attr->grh.sgid_index, diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_hw.c b/drivers/infiniband/hw/ocrdma/ocrdma_hw.c index 56bf32fcb62..1664d648cbf 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_hw.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_hw.c @@ -2076,23 +2076,6 @@ mbx_err: return status; } -int ocrdma_resolve_dgid(struct ocrdma_dev *dev, union ib_gid *dgid, - u8 *mac_addr) -{ - struct in6_addr in6; - - memcpy(&in6, dgid, sizeof in6); - if (rdma_is_multicast_addr(&in6)) { - rdma_get_mcast_mac(&in6, mac_addr); - } else if (rdma_link_local_addr(&in6)) { - rdma_get_ll_mac(&in6, mac_addr); - } else { - pr_err("%s() fail to resolve mac_addr.\n", __func__); - return -EINVAL; - } - return 0; -} - static int ocrdma_set_av_params(struct ocrdma_qp *qp, struct ocrdma_modify_qp *cmd, struct ib_qp_attr *attrs) @@ -2126,14 +2109,14 @@ static int ocrdma_set_av_params(struct ocrdma_qp *qp, qp->sgid_idx = ah_attr->grh.sgid_index; memcpy(&cmd->params.sgid[0], &sgid.raw[0], sizeof(cmd->params.sgid)); - ocrdma_resolve_dgid(qp->dev, &ah_attr->grh.dgid, &mac_addr[0]); + ocrdma_resolve_dmac(qp->dev, ah_attr, &mac_addr[0]); cmd->params.dmac_b0_to_b3 = mac_addr[0] | (mac_addr[1] << 8) | (mac_addr[2] << 16) | (mac_addr[3] << 24); /* convert them to LE format. */ ocrdma_cpu_to_le32(&cmd->params.dgid[0], sizeof(cmd->params.dgid)); ocrdma_cpu_to_le32(&cmd->params.sgid[0], sizeof(cmd->params.sgid)); cmd->params.vlan_dmac_b4_to_b5 = mac_addr[4] | (mac_addr[5] << 8); - vlan_id = rdma_get_vlan_id(&sgid); + vlan_id = ah_attr->vlan_id; if (vlan_id && (vlan_id < 0x1000)) { cmd->params.vlan_dmac_b4_to_b5 |= vlan_id << OCRDMA_QP_PARAMS_VLAN_SHIFT; diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_hw.h b/drivers/infiniband/hw/ocrdma/ocrdma_hw.h index f2a89d4cc7c..82fe332ae6c 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_hw.h +++ b/drivers/infiniband/hw/ocrdma/ocrdma_hw.h @@ -94,7 +94,6 @@ void ocrdma_ring_cq_db(struct ocrdma_dev *, u16 cq_id, bool armed, int ocrdma_mbx_get_link_speed(struct ocrdma_dev *dev, u8 *lnk_speed); int ocrdma_query_config(struct ocrdma_dev *, struct ocrdma_mbx_query_config *config); -int ocrdma_resolve_dgid(struct ocrdma_dev *, union ib_gid *dgid, u8 *mac_addr); int ocrdma_mbx_alloc_pd(struct ocrdma_dev *, struct ocrdma_pd *); int ocrdma_mbx_dealloc_pd(struct ocrdma_dev *, struct ocrdma_pd *); diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_main.c b/drivers/infiniband/hw/ocrdma/ocrdma_main.c index 91443bcb9e0..2ca86ca818b 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_main.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_main.c @@ -67,46 +67,24 @@ void ocrdma_get_guid(struct ocrdma_dev *dev, u8 *guid) guid[7] = mac_addr[5]; } -static void ocrdma_build_sgid_mac(union ib_gid *sgid, unsigned char *mac_addr, - bool is_vlan, u16 vlan_id) -{ - sgid->global.subnet_prefix = cpu_to_be64(0xfe80000000000000LL); - sgid->raw[8] = mac_addr[0] ^ 2; - sgid->raw[9] = mac_addr[1]; - sgid->raw[10] = mac_addr[2]; - if (is_vlan) { - sgid->raw[11] = vlan_id >> 8; - sgid->raw[12] = vlan_id & 0xff; - } else { - sgid->raw[11] = 0xff; - sgid->raw[12] = 0xfe; - } - sgid->raw[13] = mac_addr[3]; - sgid->raw[14] = mac_addr[4]; - sgid->raw[15] = mac_addr[5]; -} - -static bool ocrdma_add_sgid(struct ocrdma_dev *dev, unsigned char *mac_addr, - bool is_vlan, u16 vlan_id) +static bool ocrdma_add_sgid(struct ocrdma_dev *dev, union ib_gid *new_sgid) { int i; - union ib_gid new_sgid; unsigned long flags; memset(&ocrdma_zero_sgid, 0, sizeof(union ib_gid)); - ocrdma_build_sgid_mac(&new_sgid, mac_addr, is_vlan, vlan_id); spin_lock_irqsave(&dev->sgid_lock, flags); for (i = 0; i < OCRDMA_MAX_SGID; i++) { if (!memcmp(&dev->sgid_tbl[i], &ocrdma_zero_sgid, sizeof(union ib_gid))) { /* found free entry */ - memcpy(&dev->sgid_tbl[i], &new_sgid, + memcpy(&dev->sgid_tbl[i], new_sgid, sizeof(union ib_gid)); spin_unlock_irqrestore(&dev->sgid_lock, flags); return true; - } else if (!memcmp(&dev->sgid_tbl[i], &new_sgid, + } else if (!memcmp(&dev->sgid_tbl[i], new_sgid, sizeof(union ib_gid))) { /* entry already present, no addition is required. */ spin_unlock_irqrestore(&dev->sgid_lock, flags); @@ -117,20 +95,17 @@ static bool ocrdma_add_sgid(struct ocrdma_dev *dev, unsigned char *mac_addr, return false; } -static bool ocrdma_del_sgid(struct ocrdma_dev *dev, unsigned char *mac_addr, - bool is_vlan, u16 vlan_id) +static bool ocrdma_del_sgid(struct ocrdma_dev *dev, union ib_gid *sgid) { int found = false; int i; - union ib_gid sgid; unsigned long flags; - ocrdma_build_sgid_mac(&sgid, mac_addr, is_vlan, vlan_id); spin_lock_irqsave(&dev->sgid_lock, flags); /* first is default sgid, which cannot be deleted. */ for (i = 1; i < OCRDMA_MAX_SGID; i++) { - if (!memcmp(&dev->sgid_tbl[i], &sgid, sizeof(union ib_gid))) { + if (!memcmp(&dev->sgid_tbl[i], sgid, sizeof(union ib_gid))) { /* found matching entry */ memset(&dev->sgid_tbl[i], 0, sizeof(union ib_gid)); found = true; @@ -141,75 +116,18 @@ static bool ocrdma_del_sgid(struct ocrdma_dev *dev, unsigned char *mac_addr, return found; } -static void ocrdma_add_default_sgid(struct ocrdma_dev *dev) -{ - /* GID Index 0 - Invariant manufacturer-assigned EUI-64 */ - union ib_gid *sgid = &dev->sgid_tbl[0]; - - sgid->global.subnet_prefix = cpu_to_be64(0xfe80000000000000LL); - ocrdma_get_guid(dev, &sgid->raw[8]); -} - -#if IS_ENABLED(CONFIG_VLAN_8021Q) -static void ocrdma_add_vlan_sgids(struct ocrdma_dev *dev) -{ - struct net_device *netdev, *tmp; - u16 vlan_id; - bool is_vlan; - - netdev = dev->nic_info.netdev; - - rcu_read_lock(); - for_each_netdev_rcu(&init_net, tmp) { - if (netdev == tmp || vlan_dev_real_dev(tmp) == netdev) { - if (!netif_running(tmp) || !netif_oper_up(tmp)) - continue; - if (netdev != tmp) { - vlan_id = vlan_dev_vlan_id(tmp); - is_vlan = true; - } else { - is_vlan = false; - vlan_id = 0; - tmp = netdev; - } - ocrdma_add_sgid(dev, tmp->dev_addr, is_vlan, vlan_id); - } - } - rcu_read_unlock(); -} -#else -static void ocrdma_add_vlan_sgids(struct ocrdma_dev *dev) -{ - -} -#endif /* VLAN */ - -static int ocrdma_build_sgid_tbl(struct ocrdma_dev *dev) +static int ocrdma_addr_event(unsigned long event, struct net_device *netdev, + union ib_gid *gid) { - ocrdma_add_default_sgid(dev); - ocrdma_add_vlan_sgids(dev); - return 0; -} - -#if IS_ENABLED(CONFIG_IPV6) - -static int ocrdma_inet6addr_event(struct notifier_block *notifier, - unsigned long event, void *ptr) -{ - struct inet6_ifaddr *ifa = (struct inet6_ifaddr *)ptr; - struct net_device *netdev = ifa->idev->dev; struct ib_event gid_event; struct ocrdma_dev *dev; bool found = false; bool updated = false; bool is_vlan = false; - u16 vid = 0; is_vlan = netdev->priv_flags & IFF_802_1Q_VLAN; - if (is_vlan) { - vid = vlan_dev_vlan_id(netdev); + if (is_vlan) netdev = vlan_dev_real_dev(netdev); - } rcu_read_lock(); list_for_each_entry_rcu(dev, &ocrdma_dev_list, entry) { @@ -222,16 +140,14 @@ static int ocrdma_inet6addr_event(struct notifier_block *notifier, if (!found) return NOTIFY_DONE; - if (!rdma_link_local_addr((struct in6_addr *)&ifa->addr)) - return NOTIFY_DONE; mutex_lock(&dev->dev_lock); switch (event) { case NETDEV_UP: - updated = ocrdma_add_sgid(dev, netdev->dev_addr, is_vlan, vid); + updated = ocrdma_add_sgid(dev, gid); break; case NETDEV_DOWN: - updated = ocrdma_del_sgid(dev, netdev->dev_addr, is_vlan, vid); + updated = ocrdma_del_sgid(dev, gid); break; default: break; @@ -247,6 +163,32 @@ static int ocrdma_inet6addr_event(struct notifier_block *notifier, return NOTIFY_OK; } +static int ocrdma_inetaddr_event(struct notifier_block *notifier, + unsigned long event, void *ptr) +{ + struct in_ifaddr *ifa = ptr; + union ib_gid gid; + struct net_device *netdev = ifa->ifa_dev->dev; + + ipv6_addr_set_v4mapped(ifa->ifa_address, (struct in6_addr *)&gid); + return ocrdma_addr_event(event, netdev, &gid); +} + +static struct notifier_block ocrdma_inetaddr_notifier = { + .notifier_call = ocrdma_inetaddr_event +}; + +#if IS_ENABLED(CONFIG_IPV6) + +static int ocrdma_inet6addr_event(struct notifier_block *notifier, + unsigned long event, void *ptr) +{ + struct inet6_ifaddr *ifa = (struct inet6_ifaddr *)ptr; + union ib_gid *gid = (union ib_gid *)&ifa->addr; + struct net_device *netdev = ifa->idev->dev; + return ocrdma_addr_event(event, netdev, gid); +} + static struct notifier_block ocrdma_inet6addr_notifier = { .notifier_call = ocrdma_inet6addr_event }; @@ -423,10 +365,6 @@ static struct ocrdma_dev *ocrdma_add(struct be_dev_info *dev_info) if (status) goto alloc_err; - status = ocrdma_build_sgid_tbl(dev); - if (status) - goto alloc_err; - status = ocrdma_register_device(dev); if (status) goto alloc_err; @@ -553,6 +491,10 @@ static int __init ocrdma_init_module(void) { int status; + status = register_inetaddr_notifier(&ocrdma_inetaddr_notifier); + if (status) + return status; + #if IS_ENABLED(CONFIG_IPV6) status = register_inet6addr_notifier(&ocrdma_inet6addr_notifier); if (status) diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c index 7686dceadd2..aa92f40c9d5 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c @@ -1326,7 +1326,8 @@ int ocrdma_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, new_qps = old_qps; spin_unlock_irqrestore(&qp->q_lock, flags); - if (!ib_modify_qp_is_ok(old_qps, new_qps, ibqp->qp_type, attr_mask)) { + if (!ib_modify_qp_is_ok(old_qps, new_qps, ibqp->qp_type, attr_mask, + IB_LINK_LAYER_ETHERNET)) { pr_err("%s(%d) invalid attribute mask=0x%x specified for\n" "qpn=0x%x of type=0x%x old_qps=0x%x, new_qps=0x%x\n", __func__, dev->id, attr_mask, qp->id, ibqp->qp_type, diff --git a/drivers/infiniband/hw/qib/qib_qp.c b/drivers/infiniband/hw/qib/qib_qp.c index 3cca55b51e5..0cad0c40d74 100644 --- a/drivers/infiniband/hw/qib/qib_qp.c +++ b/drivers/infiniband/hw/qib/qib_qp.c @@ -585,7 +585,7 @@ int qib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, new_state = attr_mask & IB_QP_STATE ? attr->qp_state : cur_state; if (!ib_modify_qp_is_ok(cur_state, new_state, ibqp->qp_type, - attr_mask)) + attr_mask, IB_LINK_LAYER_UNSPECIFIED)) goto inval; if (attr_mask & IB_QP_AV) { |