From mboxrd@z Thu Jan 1 00:00:00 1970 From: Michael Wang Subject: [PATCH v5 21/27] IB/Verbs: Use management helper cap_ib_mcast() Date: Mon, 20 Apr 2015 10:41:14 +0200 Message-ID: <5534BBAA.8020407@profitbricks.com> References: <5534B8C9.506@profitbricks.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <5534B8C9.506-EIkl63zCoXaH+58JC4qpiA@public.gmane.org> Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Roland Dreier , Sean Hefty , linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, hal-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org Cc: Michael Wang , Tom Tucker , Steve Wise , Hoang-Nam Nguyen , Christoph Raisch , Mike Marciniszyn , Eli Cohen , Faisal Latif , Jack Morgenstein , Or Gerlitz , Haggai Eran , Ira Weiny , Tom Talpey , Jason Gunthorpe , Doug Ledford List-Id: linux-rdma@vger.kernel.org Introduce helper cap_ib_mcast() to help us check if the port of an IB device support Infiniband Multicast. Cc: Hal Rosenstock Cc: Steve Wise Cc: Tom Talpey Cc: Jason Gunthorpe Cc: Doug Ledford Cc: Ira Weiny Cc: Sean Hefty Signed-off-by: Michael Wang --- drivers/infiniband/core/cma.c | 6 +++--- drivers/infiniband/core/multicast.c | 6 +++--- include/rdma/ib_verbs.h | 15 +++++++++++++++ 3 files changed, 21 insertions(+), 6 deletions(-) diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c index 8484ae3..58ec946 100644 --- a/drivers/infiniband/core/cma.c +++ b/drivers/infiniband/core/cma.c @@ -1028,7 +1028,7 @@ 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); - if (rdma_tech_ib(id_priv->cma_dev->device, + if (cap_ib_mcast(id_priv->cma_dev->device, id_priv->id.port_num)) { ib_sa_free_multicast(mc->multicast.ib); kfree(mc); @@ -3342,7 +3342,7 @@ int rdma_join_multicast(struct rdma_cm_id *id, struct sockaddr *addr, if (rdma_tech_iboe(id->device, id->port_num)) { kref_init(&mc->mcref); ret = cma_iboe_join_multicast(id_priv, mc); - } else if (rdma_tech_ib(id->device, id->port_num)) + } else if (cap_ib_mcast(id->device, id->port_num)) ret = cma_join_ib_multicast(id_priv, mc); else ret = -ENOSYS; @@ -3376,7 +3376,7 @@ void rdma_leave_multicast(struct rdma_cm_id *id, struct sockaddr *addr) BUG_ON(id_priv->cma_dev->device != id->device); - if (rdma_tech_ib(id->device, id->port_num)) { + if (cap_ib_mcast(id->device, id->port_num)) { ib_sa_free_multicast(mc->multicast.ib); kfree(mc); } else if (rdma_tech_iboe(id->device, id->port_num)) diff --git a/drivers/infiniband/core/multicast.c b/drivers/infiniband/core/multicast.c index 24d93f5..bdc1880 100644 --- a/drivers/infiniband/core/multicast.c +++ b/drivers/infiniband/core/multicast.c @@ -780,7 +780,7 @@ static void mcast_event_handler(struct ib_event_handler *handler, int index; dev = container_of(handler, struct mcast_device, event_handler); - if (WARN_ON(!rdma_tech_ib(dev->device, event->element.port_num))) + if (WARN_ON(!cap_ib_mcast(dev->device, event->element.port_num))) return; index = event->element.port_num - dev->start_port; @@ -820,7 +820,7 @@ static void mcast_add_one(struct ib_device *device) } for (i = 0; i <= dev->end_port - dev->start_port; i++) { - if (!rdma_tech_ib(device, dev->start_port + i)) + if (!cap_ib_mcast(device, dev->start_port + i)) continue; port = &dev->port[i]; port->dev = dev; @@ -858,7 +858,7 @@ static void mcast_remove_one(struct ib_device *device) flush_workqueue(mcast_wq); for (i = 0; i <= dev->end_port - dev->start_port; i++) { - if (rdma_tech_ib(device, dev->start_port + i)) { + if (cap_ib_mcast(device, dev->start_port + i)) { port = &dev->port[i]; deref_port(port); wait_for_completion(&port->comp); diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index de3a168..6e354df 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -1848,6 +1848,21 @@ static inline int cap_ib_sa(struct ib_device *device, u8 port_num) return rdma_tech_ib(device, port_num); } +/** + * cap_ib_mcast - Check if the port of device has the capability Infiniband + * Multicast. + * + * @device: Device to be checked + * @port_num: Port number of the device + * + * Return 0 when port of the device don't support Infiniband + * Multicast. + */ +static inline int cap_ib_mcast(struct ib_device *device, u8 port_num) +{ + return cap_ib_sa(device, port_num); +} + int ib_query_gid(struct ib_device *device, u8 port_num, int index, union ib_gid *gid); -- 2.1.0 -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html