static void update_sm_ah(struct mthca_dev *dev, u8 port_num, u16 lid, u8 sl) { struct ib_ah *new_ah; struct rdma_ah_attr ah_attr; unsigned long flags; if (!dev->send_agent[port_num - 1][0]) return; memset(&ah_attr, 0, sizeof ah_attr); ah_attr.type = rdma_ah_find_type(&dev->ib_dev, port_num); rdma_ah_set_dlid(&ah_attr, lid); rdma_ah_set_sl(&ah_attr, sl); rdma_ah_set_port_num(&ah_attr, port_num); new_ah = rdma_create_ah(dev->send_agent[port_num - 1][0]->qp->pd, &ah_attr, 0); if (IS_ERR(new_ah)) return; spin_lock_irqsave(&dev->sm_lock, flags); if (dev->sm_ah[port_num - 1]) rdma_destroy_ah(dev->sm_ah[port_num - 1], 0); dev->sm_ah[port_num - 1] = new_ah; spin_unlock_irqrestore(&dev->sm_lock, flags); }
void mthca_free_agents(struct mthca_dev *dev) { struct ib_mad_agent *agent; int p, q; for (p = 0; p < dev->limits.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 (dev->sm_ah[p]) rdma_destroy_ah(dev->sm_ah[p], RDMA_DESTROY_AH_SLEEPABLE); } }
static int modinit(void) { return rdma_destroy_ah(NULL, 0) != 0; }