diff options
Diffstat (limited to 'drivers/net/ethernet/pensando/ionic/ionic_lif.c')
-rw-r--r-- | drivers/net/ethernet/pensando/ionic/ionic_lif.c | 335 |
1 files changed, 208 insertions, 127 deletions
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_lif.c b/drivers/net/ethernet/pensando/ionic/ionic_lif.c index 7f0c6cdc375e..7707a9e53c43 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_lif.c +++ b/drivers/net/ethernet/pensando/ionic/ionic_lif.c @@ -13,6 +13,7 @@ #include <linux/cpumask.h> #include <linux/crash_dump.h> #include <linux/vmalloc.h> +#include <net/page_pool/helpers.h> #include "ionic.h" #include "ionic_bus.h" @@ -46,8 +47,9 @@ static int ionic_start_queues(struct ionic_lif *lif); static void ionic_stop_queues(struct ionic_lif *lif); static void ionic_lif_queue_identify(struct ionic_lif *lif); -static int ionic_xdp_queues_config(struct ionic_lif *lif); -static void ionic_xdp_unregister_rxq_info(struct ionic_queue *q); +static void ionic_xdp_rxqs_prog_update(struct ionic_lif *lif); +static void ionic_unregister_rxq_info(struct ionic_queue *q); +static int ionic_register_rxq_info(struct ionic_queue *q, unsigned int napi_id); static void ionic_dim_work(struct work_struct *work) { @@ -126,13 +128,13 @@ static void ionic_lif_deferred_work(struct work_struct *work) } while (true); } -void ionic_lif_deferred_enqueue(struct ionic_deferred *def, +void ionic_lif_deferred_enqueue(struct ionic_lif *lif, struct ionic_deferred_work *work) { - spin_lock_bh(&def->lock); - list_add_tail(&work->list, &def->list); - spin_unlock_bh(&def->lock); - schedule_work(&def->work); + spin_lock_bh(&lif->deferred.lock); + list_add_tail(&work->list, &lif->deferred.list); + spin_unlock_bh(&lif->deferred.lock); + queue_work(lif->ionic->wq, &lif->deferred.work); } static void ionic_link_status_check(struct ionic_lif *lif) @@ -207,19 +209,12 @@ void ionic_link_status_check_request(struct ionic_lif *lif, bool can_sleep) } work->type = IONIC_DW_TYPE_LINK_STATUS; - ionic_lif_deferred_enqueue(&lif->deferred, work); + ionic_lif_deferred_enqueue(lif, work); } else { ionic_link_status_check(lif); } } -static void ionic_napi_deadline(struct timer_list *timer) -{ - struct ionic_qcq *qcq = container_of(timer, struct ionic_qcq, napi_deadline); - - napi_schedule(&qcq->napi); -} - static irqreturn_t ionic_isr(int irq, void *data) { struct napi_struct *napi = data; @@ -237,12 +232,12 @@ static int ionic_request_irq(struct ionic_lif *lif, struct ionic_qcq *qcq) const char *name; if (lif->registered) - name = lif->netdev->name; + name = netdev_name(lif->netdev); else name = dev_name(dev); snprintf(intr->name, sizeof(intr->name), - "%s-%s-%s", IONIC_DRV_NAME, name, q->name); + "%.5s-%.16s-%.8s", IONIC_DRV_NAME, name, q->name); return devm_request_irq(dev, intr->vector, ionic_isr, 0, intr->name, &qcq->napi); @@ -272,6 +267,18 @@ static void ionic_intr_free(struct ionic *ionic, int index) clear_bit(index, ionic->intrs); } +static void ionic_irq_aff_notify(struct irq_affinity_notify *notify, + const cpumask_t *mask) +{ + struct ionic_intr_info *intr = container_of(notify, struct ionic_intr_info, aff_notify); + + cpumask_copy(*intr->affinity_mask, mask); +} + +static void ionic_irq_aff_release(struct kref __always_unused *ref) +{ +} + static int ionic_qcq_enable(struct ionic_qcq *qcq) { struct ionic_queue *q = &qcq->q; @@ -304,12 +311,12 @@ static int ionic_qcq_enable(struct ionic_qcq *qcq) if (ret) return ret; - if (qcq->napi.poll) - napi_enable(&qcq->napi); - if (qcq->flags & IONIC_QCQ_F_INTR) { + napi_enable(&qcq->napi); + irq_set_affinity_notifier(qcq->intr.vector, + &qcq->intr.aff_notify); irq_set_affinity_hint(qcq->intr.vector, - &qcq->intr.affinity_mask); + *qcq->intr.affinity_mask); ionic_intr_mask(idev->intr_ctrl, qcq->intr.index, IONIC_INTR_MASK_CLEAR); } @@ -339,13 +346,15 @@ static int ionic_qcq_disable(struct ionic_lif *lif, struct ionic_qcq *qcq, int f if (qcq->flags & IONIC_QCQ_F_INTR) { struct ionic_dev *idev = &lif->ionic->idev; + if (lif->doorbell_wa) + cancel_work_sync(&qcq->doorbell_napi_work); cancel_work_sync(&qcq->dim.work); ionic_intr_mask(idev->intr_ctrl, qcq->intr.index, IONIC_INTR_MASK_SET); synchronize_irq(qcq->intr.vector); + irq_set_affinity_notifier(qcq->intr.vector, NULL); irq_set_affinity_hint(qcq->intr.vector, NULL); napi_disable(&qcq->napi); - del_timer_sync(&qcq->napi_deadline); } /* If there was a previous fw communcation error, don't bother with @@ -373,6 +382,7 @@ static void ionic_lif_qcq_deinit(struct ionic_lif *lif, struct ionic_qcq *qcq) if (!(qcq->flags & IONIC_QCQ_F_INITED)) return; + ionic_unregister_rxq_info(&qcq->q); if (qcq->flags & IONIC_QCQ_F_INTR) { ionic_intr_mask(idev->intr_ctrl, qcq->intr.index, IONIC_INTR_MASK_SET); @@ -430,9 +440,10 @@ static void ionic_qcq_free(struct ionic_lif *lif, struct ionic_qcq *qcq) qcq->sg_base_pa = 0; } - ionic_xdp_unregister_rxq_info(&qcq->q); - ionic_qcq_intr_free(lif, qcq); + page_pool_destroy(qcq->q.page_pool); + qcq->q.page_pool = NULL; + ionic_qcq_intr_free(lif, qcq); vfree(qcq->q.info); qcq->q.info = NULL; } @@ -480,11 +491,11 @@ static void ionic_link_qcq_interrupts(struct ionic_qcq *src_qcq, { n_qcq->intr.vector = src_qcq->intr.vector; n_qcq->intr.index = src_qcq->intr.index; - n_qcq->napi_qcq = src_qcq->napi_qcq; } static int ionic_alloc_qcq_interrupt(struct ionic_lif *lif, struct ionic_qcq *qcq) { + cpumask_var_t *affinity_mask; int err; if (!(qcq->flags & IONIC_QCQ_F_INTR)) { @@ -516,10 +527,19 @@ static int ionic_alloc_qcq_interrupt(struct ionic_lif *lif, struct ionic_qcq *qc } /* try to get the irq on the local numa node first */ - qcq->intr.cpu = cpumask_local_spread(qcq->intr.index, - dev_to_node(lif->ionic->dev)); - if (qcq->intr.cpu != -1) - cpumask_set_cpu(qcq->intr.cpu, &qcq->intr.affinity_mask); + affinity_mask = &lif->ionic->affinity_masks[qcq->intr.index]; + if (cpumask_empty(*affinity_mask)) { + unsigned int cpu; + + cpu = cpumask_local_spread(qcq->intr.index, + dev_to_node(lif->ionic->dev)); + if (cpu != -1) + cpumask_set_cpu(cpu, *affinity_mask); + } + + qcq->intr.affinity_mask = affinity_mask; + qcq->intr.aff_notify.notify = ionic_irq_aff_notify; + qcq->intr.aff_notify.release = ionic_irq_aff_release; netdev_dbg(lif->netdev, "%s: Interrupt index %d\n", qcq->q.name, qcq->intr.index); return 0; @@ -537,7 +557,8 @@ static int ionic_qcq_alloc(struct ionic_lif *lif, unsigned int type, unsigned int cq_desc_size, unsigned int sg_desc_size, unsigned int desc_info_size, - unsigned int pid, struct ionic_qcq **qcq) + unsigned int pid, struct bpf_prog *xdp_prog, + struct ionic_qcq **qcq) { struct ionic_dev *idev = &lif->ionic->idev; struct device *dev = lif->ionic->dev; @@ -563,6 +584,31 @@ static int ionic_qcq_alloc(struct ionic_lif *lif, unsigned int type, goto err_out_free_qcq; } + if (type == IONIC_QTYPE_RXQ) { + struct page_pool_params pp_params = { + .flags = PP_FLAG_DMA_MAP | PP_FLAG_DMA_SYNC_DEV, + .order = 0, + .pool_size = num_descs, + .nid = NUMA_NO_NODE, + .dev = lif->ionic->dev, + .napi = &new->napi, + .dma_dir = DMA_FROM_DEVICE, + .max_len = PAGE_SIZE, + .netdev = lif->netdev, + }; + + if (xdp_prog) + pp_params.dma_dir = DMA_BIDIRECTIONAL; + + new->q.page_pool = page_pool_create(&pp_params); + if (IS_ERR(new->q.page_pool)) { + netdev_err(lif->netdev, "Cannot create page_pool\n"); + err = PTR_ERR(new->q.page_pool); + new->q.page_pool = NULL; + goto err_out_free_q_info; + } + } + new->q.type = type; new->q.max_sg_elems = lif->qtype_info[type].max_sg_elems; @@ -570,12 +616,12 @@ static int ionic_qcq_alloc(struct ionic_lif *lif, unsigned int type, desc_size, sg_desc_size, pid); if (err) { netdev_err(lif->netdev, "Cannot initialize queue\n"); - goto err_out_free_q_info; + goto err_out_free_page_pool; } err = ionic_alloc_qcq_interrupt(lif, new); if (err) - goto err_out_free_q_info; + goto err_out_free_page_pool; err = ionic_cq_init(lif, &new->cq, &new->intr, num_descs, cq_desc_size); if (err) { @@ -676,6 +722,8 @@ static int ionic_qcq_alloc(struct ionic_lif *lif, unsigned int type, INIT_WORK(&new->dim.work, ionic_dim_work); new->dim.mode = DIM_CQ_PERIOD_MODE_START_FROM_CQE; + if (lif->doorbell_wa) + INIT_WORK(&new->doorbell_napi_work, ionic_doorbell_napi_work); *qcq = new; @@ -694,6 +742,8 @@ err_out_free_irq: devm_free_irq(dev, new->intr.vector, &new->napi); ionic_intr_free(lif->ionic, new->intr.index); } +err_out_free_page_pool: + page_pool_destroy(new->q.page_pool); err_out_free_q_info: vfree(new->q.info); err_out_free_qcq: @@ -716,7 +766,7 @@ static int ionic_qcqs_alloc(struct ionic_lif *lif) sizeof(struct ionic_admin_comp), 0, sizeof(struct ionic_admin_desc_info), - lif->kern_pid, &lif->adminqcq); + lif->kern_pid, NULL, &lif->adminqcq); if (err) return err; ionic_debugfs_add_qcq(lif, lif->adminqcq); @@ -729,7 +779,7 @@ static int ionic_qcqs_alloc(struct ionic_lif *lif) sizeof(union ionic_notifyq_comp), 0, sizeof(struct ionic_admin_desc_info), - lif->kern_pid, &lif->notifyqcq); + lif->kern_pid, NULL, &lif->notifyqcq); if (err) goto err_out; ionic_debugfs_add_qcq(lif, lif->notifyqcq); @@ -834,11 +884,8 @@ static int ionic_lif_txq_init(struct ionic_lif *lif, struct ionic_qcq *qcq) q->dbell_deadline = IONIC_TX_DOORBELL_DEADLINE; q->dbell_jiffies = jiffies; - if (test_bit(IONIC_LIF_F_SPLIT_INTR, lif->state)) { + if (test_bit(IONIC_LIF_F_SPLIT_INTR, lif->state)) netif_napi_add(lif->netdev, &qcq->napi, ionic_tx_napi); - qcq->napi_qcq = qcq; - timer_setup(&qcq->napi_deadline, ionic_napi_deadline, 0); - } qcq->flags |= IONIC_QCQ_F_INITED; @@ -910,9 +957,11 @@ static int ionic_lif_rxq_init(struct ionic_lif *lif, struct ionic_qcq *qcq) netif_napi_add(lif->netdev, &qcq->napi, ionic_rx_napi); else netif_napi_add(lif->netdev, &qcq->napi, ionic_txrx_napi); - - qcq->napi_qcq = qcq; - timer_setup(&qcq->napi_deadline, ionic_napi_deadline, 0); + err = ionic_register_rxq_info(q, qcq->napi.napi_id); + if (err) { + netif_napi_del(&qcq->napi); + return err; + } qcq->flags |= IONIC_QCQ_F_INITED; @@ -948,7 +997,7 @@ int ionic_lif_create_hwstamp_txq(struct ionic_lif *lif) err = ionic_qcq_alloc(lif, IONIC_QTYPE_TXQ, txq_i, "hwstamp_tx", flags, num_desc, desc_sz, comp_sz, sg_desc_sz, sizeof(struct ionic_tx_desc_info), - lif->kern_pid, &txq); + lif->kern_pid, NULL, &txq); if (err) goto err_qcq_alloc; @@ -1008,7 +1057,7 @@ int ionic_lif_create_hwstamp_rxq(struct ionic_lif *lif) err = ionic_qcq_alloc(lif, IONIC_QTYPE_RXQ, rxq_i, "hwstamp_rx", flags, num_desc, desc_sz, comp_sz, sg_desc_sz, sizeof(struct ionic_rx_desc_info), - lif->kern_pid, &rxq); + lif->kern_pid, NULL, &rxq); if (err) goto err_qcq_alloc; @@ -1025,7 +1074,7 @@ int ionic_lif_create_hwstamp_rxq(struct ionic_lif *lif) goto err_qcq_init; if (test_bit(IONIC_LIF_F_UP, lif->state)) { - ionic_rx_fill(&rxq->q); + ionic_rx_fill(&rxq->q, NULL); err = ionic_qcq_enable(rxq); if (err) goto err_qcq_enable; @@ -1168,7 +1217,6 @@ static int ionic_adminq_napi(struct napi_struct *napi, int budget) struct ionic_dev *idev = &lif->ionic->idev; unsigned long irqflags; unsigned int flags = 0; - bool resched = false; int rx_work = 0; int tx_work = 0; int n_work = 0; @@ -1184,6 +1232,7 @@ static int ionic_adminq_napi(struct napi_struct *napi, int budget) if (lif->adminqcq && lif->adminqcq->flags & IONIC_QCQ_F_INITED) a_work = ionic_cq_service(&lif->adminqcq->cq, budget, ionic_adminq_service, NULL, NULL); + spin_unlock_irqrestore(&lif->adminq_lock, irqflags); if (lif->hwstamp_rxq) @@ -1191,7 +1240,7 @@ static int ionic_adminq_napi(struct napi_struct *napi, int budget) ionic_rx_service, NULL, NULL); if (lif->hwstamp_txq) - tx_work = ionic_tx_cq_service(&lif->hwstamp_txq->cq, budget); + tx_work = ionic_tx_cq_service(&lif->hwstamp_txq->cq, budget, !!budget); work_done = max(max(n_work, a_work), max(rx_work, tx_work)); if (work_done < budget && napi_complete_done(napi, work_done)) { @@ -1205,15 +1254,14 @@ static int ionic_adminq_napi(struct napi_struct *napi, int budget) ionic_intr_credits(idev->intr_ctrl, intr->index, credits, flags); } - if (!a_work && ionic_adminq_poke_doorbell(&lif->adminqcq->q)) - resched = true; - if (lif->hwstamp_rxq && !rx_work && ionic_rxq_poke_doorbell(&lif->hwstamp_rxq->q)) - resched = true; - if (lif->hwstamp_txq && !tx_work && ionic_txq_poke_doorbell(&lif->hwstamp_txq->q)) - resched = true; - if (resched) - mod_timer(&lif->adminqcq->napi_deadline, - jiffies + IONIC_NAPI_DEADLINE); + if (lif->doorbell_wa) { + if (!a_work) + ionic_adminq_poke_doorbell(&lif->adminqcq->q); + if (lif->hwstamp_rxq && !rx_work) + ionic_rxq_poke_doorbell(&lif->hwstamp_rxq->q); + if (lif->hwstamp_txq && !tx_work) + ionic_txq_poke_doorbell(&lif->hwstamp_txq->q); + } return work_done; } @@ -1385,7 +1433,7 @@ static void ionic_ndo_set_rx_mode(struct net_device *netdev) } work->type = IONIC_DW_TYPE_RX_MODE; netdev_dbg(lif->netdev, "deferred: rx_mode\n"); - ionic_lif_deferred_enqueue(&lif->deferred, work); + ionic_lif_deferred_enqueue(lif, work); } static __le64 ionic_netdev_features_to_nic(netdev_features_t features) @@ -1761,13 +1809,13 @@ static int ionic_change_mtu(struct net_device *netdev, int new_mtu) /* if we're not running, nothing more to do */ if (!netif_running(netdev)) { - netdev->mtu = new_mtu; + WRITE_ONCE(netdev->mtu, new_mtu); return 0; } mutex_lock(&lif->queue_lock); ionic_stop_queues_reconfig(lif); - netdev->mtu = new_mtu; + WRITE_ONCE(netdev->mtu, new_mtu); err = ionic_start_queues_reconfig(lif); mutex_unlock(&lif->queue_lock); @@ -2035,7 +2083,7 @@ static int ionic_txrx_alloc(struct ionic_lif *lif) err = ionic_qcq_alloc(lif, IONIC_QTYPE_TXQ, i, "tx", flags, num_desc, desc_sz, comp_sz, sg_desc_sz, sizeof(struct ionic_tx_desc_info), - lif->kern_pid, &lif->txqcqs[i]); + lif->kern_pid, NULL, &lif->txqcqs[i]); if (err) goto err_out; @@ -2067,7 +2115,8 @@ static int ionic_txrx_alloc(struct ionic_lif *lif) err = ionic_qcq_alloc(lif, IONIC_QTYPE_RXQ, i, "rx", flags, num_desc, desc_sz, comp_sz, sg_desc_sz, sizeof(struct ionic_rx_desc_info), - lif->kern_pid, &lif->rxqcqs[i]); + lif->kern_pid, lif->xdp_prog, + &lif->rxqcqs[i]); if (err) goto err_out; @@ -2132,9 +2181,7 @@ static int ionic_txrx_enable(struct ionic_lif *lif) int derr = 0; int i, err; - err = ionic_xdp_queues_config(lif); - if (err) - return err; + ionic_xdp_rxqs_prog_update(lif); for (i = 0; i < lif->nxqs; i++) { if (!(lif->rxqcqs[i] && lif->txqcqs[i])) { @@ -2143,7 +2190,8 @@ static int ionic_txrx_enable(struct ionic_lif *lif) goto err_out; } - ionic_rx_fill(&lif->rxqcqs[i]->q); + ionic_rx_fill(&lif->rxqcqs[i]->q, + READ_ONCE(lif->rxqcqs[i]->q.xdp_prog)); err = ionic_qcq_enable(lif->rxqcqs[i]); if (err) goto err_out; @@ -2156,7 +2204,7 @@ static int ionic_txrx_enable(struct ionic_lif *lif) } if (lif->hwstamp_rxq) { - ionic_rx_fill(&lif->hwstamp_rxq->q); + ionic_rx_fill(&lif->hwstamp_rxq->q, NULL); err = ionic_qcq_enable(lif->hwstamp_rxq); if (err) goto err_out_hwstamp_rx; @@ -2181,7 +2229,7 @@ err_out: derr = ionic_qcq_disable(lif, lif->rxqcqs[i], derr); } - ionic_xdp_queues_config(lif); + ionic_xdp_rxqs_prog_update(lif); return err; } @@ -2640,7 +2688,7 @@ static void ionic_vf_attr_replay(struct ionic_lif *lif) ionic_vf_start(ionic); } -static void ionic_xdp_unregister_rxq_info(struct ionic_queue *q) +static void ionic_unregister_rxq_info(struct ionic_queue *q) { struct xdp_rxq_info *xi; @@ -2654,7 +2702,7 @@ static void ionic_xdp_unregister_rxq_info(struct ionic_queue *q) kfree(xi); } -static int ionic_xdp_register_rxq_info(struct ionic_queue *q, unsigned int napi_id) +static int ionic_register_rxq_info(struct ionic_queue *q, unsigned int napi_id) { struct xdp_rxq_info *rxq_info; int err; @@ -2665,15 +2713,15 @@ static int ionic_xdp_register_rxq_info(struct ionic_queue *q, unsigned int napi_ err = xdp_rxq_info_reg(rxq_info, q->lif->netdev, q->index, napi_id); if (err) { - dev_err(q->dev, "Queue %d xdp_rxq_info_reg failed, err %d\n", - q->index, err); + netdev_err(q->lif->netdev, "q%d xdp_rxq_info_reg failed, err %d\n", + q->index, err); goto err_out; } - err = xdp_rxq_info_reg_mem_model(rxq_info, MEM_TYPE_PAGE_ORDER0, NULL); + err = xdp_rxq_info_reg_mem_model(rxq_info, MEM_TYPE_PAGE_POOL, q->page_pool); if (err) { - dev_err(q->dev, "Queue %d xdp_rxq_info_reg_mem_model failed, err %d\n", - q->index, err); + netdev_err(q->lif->netdev, "q%d xdp_rxq_info_reg_mem_model failed, err %d\n", + q->index, err); xdp_rxq_info_unreg(rxq_info); goto err_out; } @@ -2687,44 +2735,20 @@ err_out: return err; } -static int ionic_xdp_queues_config(struct ionic_lif *lif) +static void ionic_xdp_rxqs_prog_update(struct ionic_lif *lif) { + struct bpf_prog *xdp_prog; unsigned int i; - int err; if (!lif->rxqcqs) - return 0; - - /* There's no need to rework memory if not going to/from NULL program. - * If there is no lif->xdp_prog, there should also be no q.xdp_rxq_info - * This way we don't need to keep an *xdp_prog in every queue struct. - */ - if (!lif->xdp_prog == !lif->rxqcqs[0]->q.xdp_rxq_info) - return 0; + return; + xdp_prog = READ_ONCE(lif->xdp_prog); for (i = 0; i < lif->ionic->nrxqs_per_lif && lif->rxqcqs[i]; i++) { struct ionic_queue *q = &lif->rxqcqs[i]->q; - if (q->xdp_rxq_info) { - ionic_xdp_unregister_rxq_info(q); - continue; - } - - err = ionic_xdp_register_rxq_info(q, lif->rxqcqs[i]->napi.napi_id); - if (err) { - dev_err(lif->ionic->dev, "failed to register RX queue %d info for XDP, err %d\n", - i, err); - goto err_out; - } + WRITE_ONCE(q->xdp_prog, xdp_prog); } - - return 0; - -err_out: - for (i = 0; i < lif->ionic->nrxqs_per_lif && lif->rxqcqs[i]; i++) - ionic_xdp_unregister_rxq_info(&lif->rxqcqs[i]->q); - - return err; } static int ionic_xdp_config(struct net_device *netdev, struct netdev_bpf *bpf) @@ -2754,11 +2778,17 @@ static int ionic_xdp_config(struct net_device *netdev, struct netdev_bpf *bpf) if (!netif_running(netdev)) { old_prog = xchg(&lif->xdp_prog, bpf->prog); + } else if (lif->xdp_prog && bpf->prog) { + old_prog = xchg(&lif->xdp_prog, bpf->prog); + ionic_xdp_rxqs_prog_update(lif); } else { + struct ionic_queue_params qparams; + + ionic_init_queue_params(lif, &qparams); + qparams.xdp_prog = bpf->prog; mutex_lock(&lif->queue_lock); - ionic_stop_queues_reconfig(lif); + ionic_reconfigure_queues(lif, &qparams); old_prog = xchg(&lif->xdp_prog, bpf->prog); - ionic_start_queues_reconfig(lif); mutex_unlock(&lif->queue_lock); } @@ -2860,13 +2890,23 @@ err_out: static void ionic_swap_queues(struct ionic_qcq *a, struct ionic_qcq *b) { - /* only swapping the queues, not the napi, flags, or other stuff */ + /* only swapping the queues and napi, not flags or other stuff */ + swap(a->napi, b->napi); + + if (a->q.type == IONIC_QTYPE_RXQ) { + swap(a->q.page_pool, b->q.page_pool); + a->q.page_pool->p.napi = &a->napi; + if (b->q.page_pool) /* is NULL when increasing queue count */ + b->q.page_pool->p.napi = &b->napi; + } + swap(a->q.features, b->q.features); swap(a->q.num_descs, b->q.num_descs); swap(a->q.desc_size, b->q.desc_size); swap(a->q.base, b->q.base); swap(a->q.base_pa, b->q.base_pa); swap(a->q.info, b->q.info); + swap(a->q.xdp_prog, b->q.xdp_prog); swap(a->q.xdp_rxq_info, b->q.xdp_rxq_info); swap(a->q.partner, b->q.partner); swap(a->q_base, b->q_base); @@ -2917,7 +2957,8 @@ int ionic_reconfigure_queues(struct ionic_lif *lif, } if (qparam->nxqs != lif->nxqs || qparam->nrxq_descs != lif->nrxq_descs || - qparam->rxq_features != lif->rxq_features) { + qparam->rxq_features != lif->rxq_features || + qparam->xdp_prog != lif->xdp_prog) { rx_qcqs = devm_kcalloc(lif->ionic->dev, lif->ionic->nrxqs_per_lif, sizeof(struct ionic_qcq *), GFP_KERNEL); if (!rx_qcqs) { @@ -2948,7 +2989,7 @@ int ionic_reconfigure_queues(struct ionic_lif *lif, err = ionic_qcq_alloc(lif, IONIC_QTYPE_TXQ, i, "tx", flags, 4, desc_sz, comp_sz, sg_desc_sz, sizeof(struct ionic_tx_desc_info), - lif->kern_pid, &lif->txqcqs[i]); + lif->kern_pid, NULL, &lif->txqcqs[i]); if (err) goto err_out; } @@ -2957,7 +2998,7 @@ int ionic_reconfigure_queues(struct ionic_lif *lif, err = ionic_qcq_alloc(lif, IONIC_QTYPE_TXQ, i, "tx", flags, num_desc, desc_sz, comp_sz, sg_desc_sz, sizeof(struct ionic_tx_desc_info), - lif->kern_pid, &tx_qcqs[i]); + lif->kern_pid, NULL, &tx_qcqs[i]); if (err) goto err_out; } @@ -2979,7 +3020,7 @@ int ionic_reconfigure_queues(struct ionic_lif *lif, err = ionic_qcq_alloc(lif, IONIC_QTYPE_RXQ, i, "rx", flags, 4, desc_sz, comp_sz, sg_desc_sz, sizeof(struct ionic_rx_desc_info), - lif->kern_pid, &lif->rxqcqs[i]); + lif->kern_pid, NULL, &lif->rxqcqs[i]); if (err) goto err_out; } @@ -2988,11 +3029,12 @@ int ionic_reconfigure_queues(struct ionic_lif *lif, err = ionic_qcq_alloc(lif, IONIC_QTYPE_RXQ, i, "rx", flags, num_desc, desc_sz, comp_sz, sg_desc_sz, sizeof(struct ionic_rx_desc_info), - lif->kern_pid, &rx_qcqs[i]); + lif->kern_pid, qparam->xdp_prog, &rx_qcqs[i]); if (err) goto err_out; rx_qcqs[i]->q.features = qparam->rxq_features; + rx_qcqs[i]->q.xdp_prog = qparam->xdp_prog; } } @@ -3141,6 +3183,44 @@ err_out: return err; } +static int ionic_affinity_masks_alloc(struct ionic *ionic) +{ + cpumask_var_t *affinity_masks; + int nintrs = ionic->nintrs; + int i; + + affinity_masks = kcalloc(nintrs, sizeof(cpumask_var_t), GFP_KERNEL); + if (!affinity_masks) + return -ENOMEM; + + for (i = 0; i < nintrs; i++) { + if (!zalloc_cpumask_var_node(&affinity_masks[i], GFP_KERNEL, + dev_to_node(ionic->dev))) + goto err_out; + } + + ionic->affinity_masks = affinity_masks; + + return 0; + +err_out: + for (--i; i >= 0; i--) + free_cpumask_var(affinity_masks[i]); + kfree(affinity_masks); + + return -ENOMEM; +} + +static void ionic_affinity_masks_free(struct ionic *ionic) +{ + int i; + + for (i = 0; i < ionic->nintrs; i++) + free_cpumask_var(ionic->affinity_masks[i]); + kfree(ionic->affinity_masks); + ionic->affinity_masks = NULL; +} + int ionic_lif_alloc(struct ionic *ionic) { struct device *dev = ionic->dev; @@ -3171,7 +3251,7 @@ int ionic_lif_alloc(struct ionic *ionic) netdev->netdev_ops = &ionic_netdev_ops; ionic_ethtool_set_ops(netdev); - netdev->watchdog_timeo = 2 * HZ; + netdev->watchdog_timeo = 5 * HZ; netif_carrier_off(netdev); lif->identity = lid; @@ -3185,7 +3265,7 @@ int ionic_lif_alloc(struct ionic *ionic) lif->netdev->min_mtu = max_t(unsigned int, ETH_MIN_MTU, le32_to_cpu(lif->identity->eth.min_frame_size)); lif->netdev->max_mtu = - le32_to_cpu(lif->identity->eth.max_frame_size) - ETH_HLEN - VLAN_HLEN; + le32_to_cpu(lif->identity->eth.max_frame_size) - VLAN_ETH_HLEN; lif->neqs = ionic->neqs_per_lif; lif->nxqs = ionic->ntxqs_per_lif; @@ -3232,11 +3312,15 @@ int ionic_lif_alloc(struct ionic *ionic) ionic_debugfs_add_lif(lif); + err = ionic_affinity_masks_alloc(ionic); + if (err) + goto err_out_free_lif_info; + /* allocate control queues and txrx queue arrays */ ionic_lif_queue_identify(lif); err = ionic_qcqs_alloc(lif); if (err) - goto err_out_free_lif_info; + goto err_out_free_affinity_masks; /* allocate rss indirection table */ tbl_sz = le16_to_cpu(lif->ionic->ident.lif.eth.rss_ind_tbl_sz); @@ -3258,6 +3342,8 @@ int ionic_lif_alloc(struct ionic *ionic) err_out_free_qcqs: ionic_qcqs_free(lif); +err_out_free_affinity_masks: + ionic_affinity_masks_free(lif->ionic); err_out_free_lif_info: dma_free_coherent(dev, lif->info_sz, lif->info, lif->info_pa); lif->info = NULL; @@ -3358,6 +3444,7 @@ int ionic_restart_lif(struct ionic_lif *lif) clear_bit(IONIC_LIF_F_FW_RESET, lif->state); ionic_link_status_check_request(lif, CAN_SLEEP); netif_device_attach(lif->netdev); + ionic_queue_doorbell_check(ionic, IONIC_NAPI_DEADLINE); return 0; @@ -3388,6 +3475,7 @@ static void ionic_lif_handle_fw_up(struct ionic_lif *lif) * just need to reanimate it. */ ionic_init_devinfo(ionic); + ionic_reset(ionic); err = ionic_identify(ionic); if (err) goto err_out; @@ -3430,6 +3518,8 @@ void ionic_lif_free(struct ionic_lif *lif) if (!test_bit(IONIC_LIF_F_FW_RESET, lif->state)) ionic_lif_reset(lif); + ionic_affinity_masks_free(lif->ionic); + /* free lif info */ kfree(lif->identity); dma_free_coherent(dev, lif->info_sz, lif->info, lif->info_pa); @@ -3503,14 +3593,11 @@ static int ionic_lif_adminq_init(struct ionic_lif *lif) netif_napi_add(lif->netdev, &qcq->napi, ionic_adminq_napi); - qcq->napi_qcq = qcq; - timer_setup(&qcq->napi_deadline, ionic_napi_deadline, 0); - napi_enable(&qcq->napi); if (qcq->flags & IONIC_QCQ_F_INTR) { irq_set_affinity_hint(qcq->intr.vector, - &qcq->intr.affinity_mask); + *qcq->intr.affinity_mask); ionic_intr_mask(idev->intr_ctrl, qcq->intr.index, IONIC_INTR_MASK_CLEAR); } @@ -3697,6 +3784,7 @@ int ionic_lif_init(struct ionic_lif *lif) goto err_out_notifyq_deinit; lif->rx_copybreak = IONIC_RX_COPYBREAK_DEFAULT; + lif->doorbell_wa = ionic_doorbell_wa(lif->ionic); set_bit(IONIC_LIF_F_INITED, lif->state); @@ -3716,10 +3804,6 @@ err_out_adminq_deinit: return err; } -static void ionic_lif_notify_work(struct work_struct *ws) -{ -} - static void ionic_lif_set_netdev_info(struct ionic_lif *lif) { struct ionic_admin_ctx ctx = { @@ -3731,7 +3815,7 @@ static void ionic_lif_set_netdev_info(struct ionic_lif *lif) }, }; - strscpy(ctx.cmd.lif_setattr.name, lif->netdev->name, + strscpy(ctx.cmd.lif_setattr.name, netdev_name(lif->netdev), sizeof(ctx.cmd.lif_setattr.name)); ionic_adminq_post_wait(lif, &ctx); @@ -3770,8 +3854,6 @@ int ionic_lif_register(struct ionic_lif *lif) ionic_lif_register_phc(lif); - INIT_WORK(&lif->ionic->nb_work, ionic_lif_notify_work); - lif->ionic->nb.notifier_call = ionic_lif_notify; err = register_netdevice_notifier(&lif->ionic->nb); @@ -3781,8 +3863,8 @@ int ionic_lif_register(struct ionic_lif *lif) /* only register LIF0 for now */ err = register_netdev(lif->netdev); if (err) { - dev_err(lif->ionic->dev, "Cannot register net device, aborting\n"); - ionic_lif_unregister_phc(lif); + dev_err(lif->ionic->dev, "Cannot register net device: %d, aborting\n", err); + ionic_lif_unregister(lif); return err; } @@ -3797,7 +3879,6 @@ void ionic_lif_unregister(struct ionic_lif *lif) { if (lif->ionic->nb.notifier_call) { unregister_netdevice_notifier(&lif->ionic->nb); - cancel_work_sync(&lif->ionic->nb_work); lif->ionic->nb.notifier_call = NULL; } |