ethernet/asix-88772b/asix-88772b.c

74 static zx_status_t ax88772b_set_value(ax88772b_t* eth, uint8_t request, uint16_t value) {
76                        request, value, 0, NULL, 0, ZX_TIME_INFINITE, NULL);
79 static zx_status_t ax88772b_get_value(ax88772b_t* eth, uint8_t request, uint16_t* value_addr) {
81                          request, 0, 0, value_addr, sizeof(uint16_t), ZX_TIME_INFINITE, NULL);
156 static void ax88772b_recv(ax88772b_t* eth, usb_request_t* request) {
157     size_t len = request->response.actual;
159     zx_status_t status = usb_req_mmap(&eth->usb, request, (void*)&pkt);
195 // Send a netbuf to the USB interface using the provided request
196 static zx_status_t ax88772b_send(ax88772b_t* eth, usb_request_t* request, ethmac_netbuf_t* netbuf) {
213     usb_req_copy_to(&eth->usb, request, header, ETH_HEADER_SIZE, 0);
214     usb_req_copy_to(&eth->usb, request, netbuf->data, length, ETH_HEADER_SIZE);
215     request->header.length = length + ETH_HEADER_SIZE;
218     usb_request_queue(&eth->usb, request);
222 static void ax88772b_read_complete(usb_request_t* request, void* cookie) {
225     if (request->response.status == ZX_ERR_IO_NOT_PRESENT) {
226         usb_req_release(&eth->usb, request);
231     if (request->response.status == ZX_ERR_IO_REFUSED) {
234     } else if (request->response.status == ZX_ERR_IO_INVALID) {
241     } else if ((request->response.status == ZX_OK) && eth->ifc) {
242         ax88772b_recv(eth, request);
247         usb_request_queue(&eth->usb, request);
249         list_add_head(&eth->free_read_reqs, &request->node);
254 static void ax88772b_write_complete(usb_request_t* request, void* cookie) {
257     if (request->response.status == ZX_ERR_IO_NOT_PRESENT) {
258         usb_req_release(&eth->usb, request);
264         // If we have any netbufs that are waiting to be sent, reuse the request we just got back
267         zx_status_t send_result = ax88772b_send(eth, request, netbuf);
272         list_add_tail(&eth->free_write_reqs, &request->node);
275     if (request->response.status == ZX_ERR_IO_REFUSED) {
278     } else if (request->response.status == ZX_ERR_IO_INVALID) {
290 static void ax88772b_interrupt_complete(usb_request_t* request, void* cookie) {
293     if (request->response.status == ZX_ERR_IO_NOT_PRESENT) {
294         usb_req_release(&eth->usb, request);
299     if (request->response.status == ZX_OK && request->response.actual == sizeof(eth->status)) {
302         usb_req_copy_from(&eth->usb, request, status, sizeof(status), 0);
332     list_add_head(&eth->free_intr_reqs, &request->node);
355     usb_request_t* request = containerof(node, usb_request_t, node);
357     status = ax88772b_send(eth, request, netbuf);