ethernet/usb-cdc-ecm/usb-cdc-ecm.c

226 static void usb_write_complete(usb_request_t* request, void* cookie) {
229     if (request->response.status == ZX_ERR_IO_NOT_PRESENT) {
230         usb_req_release(&ctx->usb, request);
237     list_add_tail(&ctx->tx_txn_bufs, &request->node);
239     if (request->response.status == ZX_ERR_IO_REFUSED) {
244     if (request->response.status == ZX_ERR_IO_INVALID) {
279 static void usb_recv(ecm_ctx_t* ctx, usb_request_t* request) {
280     size_t len = request->response.actual;
283     zx_status_t status = usb_req_mmap(&ctx->usb, request, (void*)&read_data);
297 static void usb_read_complete(usb_request_t* request, void* cookie) {
300     if (request->response.status != ZX_OK) {
302                 module_name, (int)request->response.status);
305     if (request->response.status == ZX_ERR_IO_NOT_PRESENT) {
306         usb_req_release(&ctx->usb, request);
310     if (request->response.status == ZX_ERR_IO_REFUSED) {
313     } else if (request->response.status == ZX_ERR_IO_INVALID) {
321     } else if (request->response.status == ZX_OK) {
322         usb_recv(ctx, request);
326     usb_request_queue(&ctx->usb, request);
368 static void ecm_interrupt_complete(usb_request_t* request, void* cookie) {
373 static void ecm_handle_interrupt(ecm_ctx_t* ctx, usb_request_t* request) {
374     if (request->response.actual < sizeof(usb_cdc_notification_t)) {
375         zxlogf(ERROR, "%s: ignored interrupt (size = %ld)\n", module_name, (long)request->response.actual);
380     usb_req_copy_from(&ctx->usb, request, &usb_req, sizeof(usb_cdc_notification_t), 0);
395         usb_req_copy_from(&ctx->usb, request, &new_us_bps, 4, sizeof(usb_cdc_notification_t));
396         usb_req_copy_from(&ctx->usb, request, &new_ds_bps, 4, sizeof(usb_cdc_notification_t) + 4);
408         zxlogf(ERROR, "%s: ignored interrupt (type = %"PRIu8", request = %"PRIu8")\n",