/* * Handles events generated on the listening endpoint. These events will be * either be incoming connect requests or adapter removal events. */ static int rdma_listen_handler(struct rdma_cm_id *cma_id, struct rdma_cm_event *event) { struct sockaddr *sap = (struct sockaddr *)&cma_id->route.addr.src_addr; int ret = 0; trace_svcrdma_cm_event(event, sap); switch (event->event) { case RDMA_CM_EVENT_CONNECT_REQUEST: dprintk("svcrdma: Connect request on cma_id=%p, xprt = %p, " "event = %s (%d)\n", cma_id, cma_id->context, rdma_event_msg(event->event), event->event); handle_connect_req(cma_id, &event->param.conn); break; default: /* NB: No device removal upcall for INADDR_ANY listeners */ dprintk("svcrdma: Unexpected event on listening endpoint %p, " "event = %s (%d)\n", cma_id, rdma_event_msg(event->event), event->event); break; } return ret; }
static int rdma_cma_handler(struct rdma_cm_id *cma_id, struct rdma_cm_event *event) { struct sockaddr *sap = (struct sockaddr *)&cma_id->route.addr.dst_addr; struct svcxprt_rdma *rdma = cma_id->context; struct svc_xprt *xprt = &rdma->sc_xprt; trace_svcrdma_cm_event(event, sap); switch (event->event) { case RDMA_CM_EVENT_ESTABLISHED: /* Accept complete */ svc_xprt_get(xprt); dprintk("svcrdma: Connection completed on DTO xprt=%p, " "cm_id=%p\n", xprt, cma_id); clear_bit(RDMAXPRT_CONN_PENDING, &rdma->sc_flags); svc_xprt_enqueue(xprt); break; case RDMA_CM_EVENT_DISCONNECTED: dprintk("svcrdma: Disconnect on DTO xprt=%p, cm_id=%p\n", xprt, cma_id); set_bit(XPT_CLOSE, &xprt->xpt_flags); svc_xprt_enqueue(xprt); svc_xprt_put(xprt); break; case RDMA_CM_EVENT_DEVICE_REMOVAL: dprintk("svcrdma: Device removal cma_id=%p, xprt = %p, " "event = %s (%d)\n", cma_id, xprt, rdma_event_msg(event->event), event->event); set_bit(XPT_CLOSE, &xprt->xpt_flags); svc_xprt_enqueue(xprt); svc_xprt_put(xprt); break; default: dprintk("svcrdma: Unexpected event on DTO endpoint %p, " "event = %s (%d)\n", cma_id, rdma_event_msg(event->event), event->event); break; } return 0; }