hw/hfi1/netdev_rx.c

24 	struct hfi1_devdata *dd = rx->dd;
31 	ret = hfi1_create_rcvhdrq(dd, uctxt);
53 	hfi1_rcvctrl(uctxt->dd, rcvctrl_ops, uctxt);
58 static int hfi1_netdev_allocate_ctxt(struct hfi1_devdata *dd,
64 	if (dd->flags & HFI1_FROZEN)
67 	ret = hfi1_create_ctxtdata(dd->pport, dd->node, &uctxt);
69 		dd_dev_err(dd, "Unable to create ctxtdata, failing open\n");
85 	dd_dev_info(dd, "created netdev context %d\n", uctxt->ctxt);
91 static void hfi1_netdev_deallocate_ctxt(struct hfi1_devdata *dd,
100 	hfi1_rcvctrl(dd, HFI1_RCVCTRL_CTXT_DIS |
108 		msix_free_irq(dd, uctxt->msix_intr);
114 	hfi1_clear_ctxt_pkey(dd, uctxt);
125 	struct hfi1_devdata *dd = rx->dd;
127 	rc = hfi1_netdev_allocate_ctxt(dd, ctxt);
129 		dd_dev_err(dd, "netdev ctxt alloc failed %d\n", rc);
135 		dd_dev_err(dd, "netdev ctxt setup failed %d\n", rc);
136 		hfi1_netdev_deallocate_ctxt(dd, *ctxt);
145  * @dd: device on which to allocate netdev contexts
156 u32 hfi1_num_netdev_contexts(struct hfi1_devdata *dd, u32 available_contexts,
167 		dd_dev_info(dd, "No receive contexts available for netdevs.\n");
172 		dd_dev_err(dd, "Unable to allocate cpu_mask for netdevs.\n");
176 	cpumask_and(node_cpu_mask, cpu_mask, cpumask_of_node(dd->node));
190 	struct hfi1_devdata *dd = rx->dd;
193 	rx->num_rx_q = dd->num_netdev_contexts;
195 			       GFP_KERNEL, dd->node);
198 		dd_dev_err(dd, "Unable to allocate netdev queue data\n");
212 		dd_dev_info(dd, "Setting rcv queue %d napi to context %d\n",
228 	dd_dev_err(dd, "Unable to allot receive context\n");
233 			hfi1_netdev_deallocate_ctxt(dd, rxq->rcd);
247 	struct hfi1_devdata *dd = rx->dd;
253 		hfi1_netdev_deallocate_ctxt(dd, rxq->rcd);
270 		dd_dev_info(rx->dd, "enabling queue %d on context %d\n", i,
273 		hfi1_rcvctrl(rx->dd,
283 	msix_netdev_synchronize_irq(rx->dd);
288 		dd_dev_info(rx->dd, "disabling queue %d on context %d\n", i,
292 		hfi1_rcvctrl(rx->dd,
305  * @dd: hfi1 dev data
307 int hfi1_netdev_rx_init(struct hfi1_devdata *dd)
309 	struct hfi1_netdev_rx *rx = dd->netdev_rx;
325  * @dd: hfi1 dev data
327 int hfi1_netdev_rx_destroy(struct hfi1_devdata *dd)
329 	struct hfi1_netdev_rx *rx = dd->netdev_rx;
343  * @dd: hfi1 dev data
348  * Updates dd struct pointer upon success.
353 int hfi1_alloc_rx(struct hfi1_devdata *dd)
357 	dd_dev_info(dd, "allocating rx size %ld\n", sizeof(*rx));
358 	rx = kzalloc_node(sizeof(*rx), GFP_KERNEL, dd->node);
362 	rx->dd = dd;
368 	dd->netdev_rx = rx;
373 void hfi1_free_rx(struct hfi1_devdata *dd)
375 	if (dd->netdev_rx) {
376 		dd_dev_info(dd, "hfi1 rx freed\n");
377 		kfree(dd->netdev_rx);
378 		dd->netdev_rx = NULL;
389  * @dd: hfi1 dev data
391 void hfi1_netdev_enable_queues(struct hfi1_devdata *dd)
395 	if (!dd->netdev_rx)
398 	rx = dd->netdev_rx;
407 void hfi1_netdev_disable_queues(struct hfi1_devdata *dd)
411 	if (!dd->netdev_rx)
414 	rx = dd->netdev_rx;
429  * @dd: hfi1 dev data
433 int hfi1_netdev_add_data(struct hfi1_devdata *dd, int id, void *data)
435 	struct hfi1_netdev_rx *rx = dd->netdev_rx;
444  * @dd: hfi1 dev data
447 void *hfi1_netdev_remove_data(struct hfi1_devdata *dd, int id)
449 	struct hfi1_netdev_rx *rx = dd->netdev_rx;
457  * @dd: hfi1 dev data
460 void *hfi1_netdev_get_data(struct hfi1_devdata *dd, int id)
462 	struct hfi1_netdev_rx *rx = dd->netdev_rx;
470  * @dd: hfi1 dev data
473 void *hfi1_netdev_get_first_data(struct hfi1_devdata *dd, int *start_id)
475 	struct hfi1_netdev_rx *rx = dd->netdev_rx;