diff options
Diffstat (limited to 'drivers/net/ethernet/pensando/ionic/ionic_lif.c')
| -rw-r--r-- | drivers/net/ethernet/pensando/ionic/ionic_lif.c | 536 |
1 files changed, 472 insertions, 64 deletions
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_lif.c b/drivers/net/ethernet/pensando/ionic/ionic_lif.c index 11140915c2da..af3a5368529c 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_lif.c +++ b/drivers/net/ethernet/pensando/ionic/ionic_lif.c @@ -120,23 +120,34 @@ static void ionic_link_status_check(struct ionic_lif *lif) if (!test_bit(IONIC_LIF_F_LINK_CHECK_REQUESTED, lif->state)) return; + /* Don't put carrier back up if we're in a broken state */ + if (test_bit(IONIC_LIF_F_BROKEN, lif->state)) { + clear_bit(IONIC_LIF_F_LINK_CHECK_REQUESTED, lif->state); + return; + } + link_status = le16_to_cpu(lif->info->status.link_status); link_up = link_status == IONIC_PORT_OPER_STATUS_UP; if (link_up) { - if (lif->netdev->flags & IFF_UP && netif_running(lif->netdev)) { + int err = 0; + + if (netdev->flags & IFF_UP && netif_running(netdev)) { mutex_lock(&lif->queue_lock); - ionic_start_queues(lif); + err = ionic_start_queues(lif); + if (err && err != -EBUSY) { + netdev_err(lif->netdev, + "Failed to start queues: %d\n", err); + set_bit(IONIC_LIF_F_BROKEN, lif->state); + netif_carrier_off(lif->netdev); + } mutex_unlock(&lif->queue_lock); } - if (!netif_carrier_ok(netdev)) { - u32 link_speed; - + if (!err && !netif_carrier_ok(netdev)) { ionic_port_identify(lif->ionic); - link_speed = le32_to_cpu(lif->info->status.link_speed); netdev_info(netdev, "Link up - %d Gbps\n", - link_speed / 1000); + le32_to_cpu(lif->info->status.link_speed) / 1000); netif_carrier_on(netdev); } } else { @@ -145,7 +156,7 @@ static void ionic_link_status_check(struct ionic_lif *lif) netif_carrier_off(netdev); } - if (lif->netdev->flags & IFF_UP && netif_running(lif->netdev)) { + if (netdev->flags & IFF_UP && netif_running(netdev)) { mutex_lock(&lif->queue_lock); ionic_stop_queues(lif); mutex_unlock(&lif->queue_lock); @@ -382,6 +393,8 @@ static void ionic_qcq_free(struct ionic_lif *lif, struct ionic_qcq *qcq) static void ionic_qcqs_free(struct ionic_lif *lif) { struct device *dev = lif->ionic->dev; + struct ionic_qcq *adminqcq; + unsigned long irqflags; if (lif->notifyqcq) { ionic_qcq_free(lif, lif->notifyqcq); @@ -390,9 +403,14 @@ static void ionic_qcqs_free(struct ionic_lif *lif) } if (lif->adminqcq) { - ionic_qcq_free(lif, lif->adminqcq); - devm_kfree(dev, lif->adminqcq); + spin_lock_irqsave(&lif->adminq_lock, irqflags); + adminqcq = READ_ONCE(lif->adminqcq); lif->adminqcq = NULL; + spin_unlock_irqrestore(&lif->adminq_lock, irqflags); + if (adminqcq) { + ionic_qcq_free(lif, adminqcq); + devm_kfree(dev, adminqcq); + } } if (lif->rxqcqs) { @@ -495,6 +513,7 @@ static int ionic_qcq_alloc(struct ionic_lif *lif, unsigned int type, goto err_out; } + new->q.dev = dev; new->flags = flags; new->q.info = devm_kcalloc(dev, num_descs, sizeof(*new->q.info), @@ -506,6 +525,7 @@ static int ionic_qcq_alloc(struct ionic_lif *lif, unsigned int type, } new->q.type = type; + new->q.max_sg_elems = lif->qtype_info[type].max_sg_elems; err = ionic_q_init(lif, idev, &new->q, index, name, num_descs, desc_size, sg_desc_size, pid); @@ -656,20 +676,20 @@ static int ionic_qcqs_alloc(struct ionic_lif *lif) err = -ENOMEM; lif->txqcqs = devm_kcalloc(dev, lif->ionic->ntxqs_per_lif, - sizeof(struct ionic_qcq *), GFP_KERNEL); + sizeof(*lif->txqcqs), GFP_KERNEL); if (!lif->txqcqs) goto err_out; lif->rxqcqs = devm_kcalloc(dev, lif->ionic->nrxqs_per_lif, - sizeof(struct ionic_qcq *), GFP_KERNEL); + sizeof(*lif->rxqcqs), GFP_KERNEL); if (!lif->rxqcqs) goto err_out; - lif->txqstats = devm_kcalloc(dev, lif->ionic->ntxqs_per_lif, - sizeof(struct ionic_tx_stats), GFP_KERNEL); + lif->txqstats = devm_kcalloc(dev, lif->ionic->ntxqs_per_lif + 1, + sizeof(*lif->txqstats), GFP_KERNEL); if (!lif->txqstats) goto err_out; - lif->rxqstats = devm_kcalloc(dev, lif->ionic->nrxqs_per_lif, - sizeof(struct ionic_rx_stats), GFP_KERNEL); + lif->rxqstats = devm_kcalloc(dev, lif->ionic->nrxqs_per_lif + 1, + sizeof(*lif->rxqstats), GFP_KERNEL); if (!lif->rxqstats) goto err_out; @@ -711,15 +731,14 @@ static int ionic_lif_txq_init(struct ionic_lif *lif, struct ionic_qcq *qcq) .ring_base = cpu_to_le64(q->base_pa), .cq_ring_base = cpu_to_le64(cq->base_pa), .sg_ring_base = cpu_to_le64(q->sg_base_pa), + .features = cpu_to_le64(q->features), }, }; unsigned int intr_index; int err; - if (qcq->flags & IONIC_QCQ_F_INTR) - intr_index = qcq->intr.index; - else - intr_index = lif->rxqcqs[q->index]->intr.index; + intr_index = qcq->intr.index; + ctx.cmd.q_init.intr_index = cpu_to_le16(intr_index); dev_dbg(dev, "txq_init.pid %d\n", ctx.cmd.q_init.pid); @@ -773,6 +792,7 @@ static int ionic_lif_rxq_init(struct ionic_lif *lif, struct ionic_qcq *qcq) .ring_base = cpu_to_le64(q->base_pa), .cq_ring_base = cpu_to_le64(cq->base_pa), .sg_ring_base = cpu_to_le64(q->sg_base_pa), + .features = cpu_to_le64(q->features), }, }; int err; @@ -810,6 +830,254 @@ static int ionic_lif_rxq_init(struct ionic_lif *lif, struct ionic_qcq *qcq) return 0; } +int ionic_lif_create_hwstamp_txq(struct ionic_lif *lif) +{ + unsigned int num_desc, desc_sz, comp_sz, sg_desc_sz; + unsigned int txq_i, flags; + struct ionic_qcq *txq; + u64 features; + int err; + + mutex_lock(&lif->queue_lock); + + if (lif->hwstamp_txq) + goto out; + + features = IONIC_Q_F_2X_CQ_DESC | IONIC_TXQ_F_HWSTAMP; + + num_desc = IONIC_MIN_TXRX_DESC; + desc_sz = sizeof(struct ionic_txq_desc); + comp_sz = 2 * sizeof(struct ionic_txq_comp); + + if (lif->qtype_info[IONIC_QTYPE_TXQ].version >= 1 && + lif->qtype_info[IONIC_QTYPE_TXQ].sg_desc_sz == sizeof(struct ionic_txq_sg_desc_v1)) + sg_desc_sz = sizeof(struct ionic_txq_sg_desc_v1); + else + sg_desc_sz = sizeof(struct ionic_txq_sg_desc); + + txq_i = lif->ionic->ntxqs_per_lif; + flags = IONIC_QCQ_F_TX_STATS | IONIC_QCQ_F_SG; + + err = ionic_qcq_alloc(lif, IONIC_QTYPE_TXQ, txq_i, "hwstamp_tx", flags, + num_desc, desc_sz, comp_sz, sg_desc_sz, + lif->kern_pid, &txq); + if (err) + goto err_qcq_alloc; + + txq->q.features = features; + + ionic_link_qcq_interrupts(lif->adminqcq, txq); + ionic_debugfs_add_qcq(lif, txq); + + lif->hwstamp_txq = txq; + + if (netif_running(lif->netdev)) { + err = ionic_lif_txq_init(lif, txq); + if (err) + goto err_qcq_init; + + if (test_bit(IONIC_LIF_F_UP, lif->state)) { + err = ionic_qcq_enable(txq); + if (err) + goto err_qcq_enable; + } + } + +out: + mutex_unlock(&lif->queue_lock); + + return 0; + +err_qcq_enable: + ionic_lif_qcq_deinit(lif, txq); +err_qcq_init: + lif->hwstamp_txq = NULL; + ionic_debugfs_del_qcq(txq); + ionic_qcq_free(lif, txq); + devm_kfree(lif->ionic->dev, txq); +err_qcq_alloc: + mutex_unlock(&lif->queue_lock); + return err; +} + +int ionic_lif_create_hwstamp_rxq(struct ionic_lif *lif) +{ + unsigned int num_desc, desc_sz, comp_sz, sg_desc_sz; + unsigned int rxq_i, flags; + struct ionic_qcq *rxq; + u64 features; + int err; + + mutex_lock(&lif->queue_lock); + + if (lif->hwstamp_rxq) + goto out; + + features = IONIC_Q_F_2X_CQ_DESC | IONIC_RXQ_F_HWSTAMP; + + num_desc = IONIC_MIN_TXRX_DESC; + desc_sz = sizeof(struct ionic_rxq_desc); + comp_sz = 2 * sizeof(struct ionic_rxq_comp); + sg_desc_sz = sizeof(struct ionic_rxq_sg_desc); + + rxq_i = lif->ionic->nrxqs_per_lif; + flags = IONIC_QCQ_F_RX_STATS | IONIC_QCQ_F_SG; + + err = ionic_qcq_alloc(lif, IONIC_QTYPE_RXQ, rxq_i, "hwstamp_rx", flags, + num_desc, desc_sz, comp_sz, sg_desc_sz, + lif->kern_pid, &rxq); + if (err) + goto err_qcq_alloc; + + rxq->q.features = features; + + ionic_link_qcq_interrupts(lif->adminqcq, rxq); + ionic_debugfs_add_qcq(lif, rxq); + + lif->hwstamp_rxq = rxq; + + if (netif_running(lif->netdev)) { + err = ionic_lif_rxq_init(lif, rxq); + if (err) + goto err_qcq_init; + + if (test_bit(IONIC_LIF_F_UP, lif->state)) { + ionic_rx_fill(&rxq->q); + err = ionic_qcq_enable(rxq); + if (err) + goto err_qcq_enable; + } + } + +out: + mutex_unlock(&lif->queue_lock); + + return 0; + +err_qcq_enable: + ionic_lif_qcq_deinit(lif, rxq); +err_qcq_init: + lif->hwstamp_rxq = NULL; + ionic_debugfs_del_qcq(rxq); + ionic_qcq_free(lif, rxq); + devm_kfree(lif->ionic->dev, rxq); +err_qcq_alloc: + mutex_unlock(&lif->queue_lock); + return err; +} + +int ionic_lif_config_hwstamp_rxq_all(struct ionic_lif *lif, bool rx_all) +{ + struct ionic_queue_params qparam; + + ionic_init_queue_params(lif, &qparam); + + if (rx_all) + qparam.rxq_features = IONIC_Q_F_2X_CQ_DESC | IONIC_RXQ_F_HWSTAMP; + else + qparam.rxq_features = 0; + + /* if we're not running, just set the values and return */ + if (!netif_running(lif->netdev)) { + lif->rxq_features = qparam.rxq_features; + return 0; + } + + return ionic_reconfigure_queues(lif, &qparam); +} + +int ionic_lif_set_hwstamp_txmode(struct ionic_lif *lif, u16 txstamp_mode) +{ + struct ionic_admin_ctx ctx = { + .work = COMPLETION_INITIALIZER_ONSTACK(ctx.work), + .cmd.lif_setattr = { + .opcode = IONIC_CMD_LIF_SETATTR, + .index = cpu_to_le16(lif->index), + .attr = IONIC_LIF_ATTR_TXSTAMP, + .txstamp_mode = cpu_to_le16(txstamp_mode), + }, + }; + + return ionic_adminq_post_wait(lif, &ctx); +} + +static void ionic_lif_del_hwstamp_rxfilt(struct ionic_lif *lif) +{ + struct ionic_admin_ctx ctx = { + .work = COMPLETION_INITIALIZER_ONSTACK(ctx.work), + .cmd.rx_filter_del = { + .opcode = IONIC_CMD_RX_FILTER_DEL, + .lif_index = cpu_to_le16(lif->index), + }, + }; + struct ionic_rx_filter *f; + u32 filter_id; + int err; + + spin_lock_bh(&lif->rx_filters.lock); + + f = ionic_rx_filter_rxsteer(lif); + if (!f) { + spin_unlock_bh(&lif->rx_filters.lock); + return; + } + + filter_id = f->filter_id; + ionic_rx_filter_free(lif, f); + + spin_unlock_bh(&lif->rx_filters.lock); + + netdev_dbg(lif->netdev, "rx_filter del RXSTEER (id %d)\n", filter_id); + + ctx.cmd.rx_filter_del.filter_id = cpu_to_le32(filter_id); + + err = ionic_adminq_post_wait(lif, &ctx); + if (err && err != -EEXIST) + netdev_dbg(lif->netdev, "failed to delete rx_filter RXSTEER (id %d)\n", filter_id); +} + +static int ionic_lif_add_hwstamp_rxfilt(struct ionic_lif *lif, u64 pkt_class) +{ + struct ionic_admin_ctx ctx = { + .work = COMPLETION_INITIALIZER_ONSTACK(ctx.work), + .cmd.rx_filter_add = { + .opcode = IONIC_CMD_RX_FILTER_ADD, + .lif_index = cpu_to_le16(lif->index), + .match = cpu_to_le16(IONIC_RX_FILTER_STEER_PKTCLASS), + .pkt_class = cpu_to_le64(pkt_class), + }, + }; + u8 qtype; + u32 qid; + int err; + + if (!lif->hwstamp_rxq) + return -EINVAL; + + qtype = lif->hwstamp_rxq->q.type; + ctx.cmd.rx_filter_add.qtype = qtype; + + qid = lif->hwstamp_rxq->q.index; + ctx.cmd.rx_filter_add.qid = cpu_to_le32(qid); + + netdev_dbg(lif->netdev, "rx_filter add RXSTEER\n"); + err = ionic_adminq_post_wait(lif, &ctx); + if (err && err != -EEXIST) + return err; + + return ionic_rx_filter_save(lif, 0, qid, 0, &ctx); +} + +int ionic_lif_set_hwstamp_rxfilt(struct ionic_lif *lif, u64 pkt_class) +{ + ionic_lif_del_hwstamp_rxfilt(lif); + + if (!pkt_class) + return 0; + + return ionic_lif_add_hwstamp_rxfilt(lif, pkt_class); +} + static bool ionic_notifyq_service(struct ionic_cq *cq, struct ionic_cq_info *cq_info) { @@ -837,7 +1105,7 @@ static bool ionic_notifyq_service(struct ionic_cq *cq, switch (le16_to_cpu(comp->event.ecode)) { case IONIC_EVENT_LINK_CHANGE: - ionic_link_status_check_request(lif, false); + ionic_link_status_check_request(lif, CAN_NOT_SLEEP); break; case IONIC_EVENT_RESET: work = kzalloc(sizeof(*work), GFP_ATOMIC); @@ -875,30 +1143,43 @@ static int ionic_adminq_napi(struct napi_struct *napi, int budget) struct ionic_intr_info *intr = napi_to_cq(napi)->bound_intr; struct ionic_lif *lif = napi_to_cq(napi)->lif; struct ionic_dev *idev = &lif->ionic->idev; + unsigned long irqflags; unsigned int flags = 0; + int rx_work = 0; + int tx_work = 0; int n_work = 0; int a_work = 0; int work_done; + int credits; if (lif->notifyqcq && lif->notifyqcq->flags & IONIC_QCQ_F_INITED) n_work = ionic_cq_service(&lif->notifyqcq->cq, budget, ionic_notifyq_service, NULL, NULL); + spin_lock_irqsave(&lif->adminq_lock, irqflags); 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) + rx_work = ionic_cq_service(&lif->hwstamp_rxq->cq, budget, + ionic_rx_service, NULL, NULL); + + if (lif->hwstamp_txq) + tx_work = ionic_cq_service(&lif->hwstamp_txq->cq, budget, + ionic_tx_service, NULL, NULL); - work_done = max(n_work, a_work); + work_done = max(max(n_work, a_work), max(rx_work, tx_work)); if (work_done < budget && napi_complete_done(napi, work_done)) { flags |= IONIC_INTR_CRED_UNMASK; - lif->adminqcq->cq.bound_intr->rearm_count++; + intr->rearm_count++; } if (work_done || flags) { flags |= IONIC_INTR_CRED_RESET_COALESCE; - ionic_intr_credits(idev->intr_ctrl, - intr->index, - n_work + a_work, flags); + credits = n_work + a_work + rx_work + tx_work; + ionic_intr_credits(idev->intr_ctrl, intr->index, credits, flags); } return work_done; @@ -1258,6 +1539,10 @@ static int ionic_set_nic_features(struct ionic_lif *lif, int err; ctx.cmd.lif_setattr.features = ionic_netdev_features_to_nic(features); + + if (lif->phc) + ctx.cmd.lif_setattr.features |= cpu_to_le64(IONIC_ETH_HW_TIMESTAMP); + err = ionic_adminq_post_wait(lif, &ctx); if (err) return err; @@ -1305,6 +1590,8 @@ static int ionic_set_nic_features(struct ionic_lif *lif, dev_dbg(dev, "feature ETH_HW_TSO_UDP\n"); if (lif->hw_features & IONIC_ETH_HW_TSO_UDP_CSUM) dev_dbg(dev, "feature ETH_HW_TSO_UDP_CSUM\n"); + if (lif->hw_features & IONIC_ETH_HW_TIMESTAMP) + dev_dbg(dev, "feature ETH_HW_TIMESTAMP\n"); return 0; } @@ -1441,7 +1728,7 @@ static int ionic_start_queues_reconfig(struct ionic_lif *lif) */ err = ionic_txrx_init(lif); mutex_unlock(&lif->queue_lock); - ionic_link_status_check_request(lif, true); + ionic_link_status_check_request(lif, CAN_SLEEP); netif_device_attach(lif->netdev); return err; @@ -1480,7 +1767,8 @@ static void ionic_tx_timeout_work(struct work_struct *ws) { struct ionic_lif *lif = container_of(ws, struct ionic_lif, tx_timeout_work); - netdev_info(lif->netdev, "Tx Timeout recovery\n"); + if (test_bit(IONIC_LIF_F_FW_RESET, lif->state)) + return; /* if we were stopped before this scheduled job was launched, * don't bother the queues as they are already stopped. @@ -1496,6 +1784,7 @@ static void ionic_tx_timeout(struct net_device *netdev, unsigned int txqueue) { struct ionic_lif *lif = netdev_priv(netdev); + netdev_info(lif->netdev, "Tx Timeout triggered - txq %d\n", txqueue); schedule_work(&lif->tx_timeout_work); } @@ -1645,11 +1934,17 @@ static void ionic_txrx_disable(struct ionic_lif *lif) err = ionic_qcq_disable(lif->txqcqs[i], (err != -ETIMEDOUT)); } + if (lif->hwstamp_txq) + err = ionic_qcq_disable(lif->hwstamp_txq, (err != -ETIMEDOUT)); + if (lif->rxqcqs) { for (i = 0; i < lif->nxqs; i++) err = ionic_qcq_disable(lif->rxqcqs[i], (err != -ETIMEDOUT)); } + if (lif->hwstamp_rxq) + err = ionic_qcq_disable(lif->hwstamp_rxq, (err != -ETIMEDOUT)); + ionic_lif_quiesce(lif); } @@ -1672,6 +1967,17 @@ static void ionic_txrx_deinit(struct ionic_lif *lif) } } lif->rx_mode = 0; + + if (lif->hwstamp_txq) { + ionic_lif_qcq_deinit(lif, lif->hwstamp_txq); + ionic_tx_flush(&lif->hwstamp_txq->cq); + ionic_tx_empty(&lif->hwstamp_txq->q); + } + + if (lif->hwstamp_rxq) { + ionic_lif_qcq_deinit(lif, lif->hwstamp_rxq); + ionic_rx_empty(&lif->hwstamp_rxq->q); + } } static void ionic_txrx_free(struct ionic_lif *lif) @@ -1693,15 +1999,30 @@ static void ionic_txrx_free(struct ionic_lif *lif) lif->rxqcqs[i] = NULL; } } + + if (lif->hwstamp_txq) { + ionic_qcq_free(lif, lif->hwstamp_txq); + devm_kfree(lif->ionic->dev, lif->hwstamp_txq); + lif->hwstamp_txq = NULL; + } + + if (lif->hwstamp_rxq) { + ionic_qcq_free(lif, lif->hwstamp_rxq); + devm_kfree(lif->ionic->dev, lif->hwstamp_rxq); + lif->hwstamp_rxq = NULL; + } } static int ionic_txrx_alloc(struct ionic_lif *lif) { - unsigned int sg_desc_sz; - unsigned int flags; - unsigned int i; + unsigned int comp_sz, desc_sz, num_desc, sg_desc_sz; + unsigned int flags, i; int err = 0; + num_desc = lif->ntxq_descs; + desc_sz = sizeof(struct ionic_txq_desc); + comp_sz = sizeof(struct ionic_txq_comp); + if (lif->qtype_info[IONIC_QTYPE_TXQ].version >= 1 && lif->qtype_info[IONIC_QTYPE_TXQ].sg_desc_sz == sizeof(struct ionic_txq_sg_desc_v1)) @@ -1714,10 +2035,7 @@ static int ionic_txrx_alloc(struct ionic_lif *lif) flags |= IONIC_QCQ_F_INTR; for (i = 0; i < lif->nxqs; i++) { err = ionic_qcq_alloc(lif, IONIC_QTYPE_TXQ, i, "tx", flags, - lif->ntxq_descs, - sizeof(struct ionic_txq_desc), - sizeof(struct ionic_txq_comp), - sg_desc_sz, + num_desc, desc_sz, comp_sz, sg_desc_sz, lif->kern_pid, &lif->txqcqs[i]); if (err) goto err_out; @@ -1734,16 +2052,24 @@ static int ionic_txrx_alloc(struct ionic_lif *lif) } flags = IONIC_QCQ_F_RX_STATS | IONIC_QCQ_F_SG | IONIC_QCQ_F_INTR; + + num_desc = lif->nrxq_descs; + desc_sz = sizeof(struct ionic_rxq_desc); + comp_sz = sizeof(struct ionic_rxq_comp); + sg_desc_sz = sizeof(struct ionic_rxq_sg_desc); + + if (lif->rxq_features & IONIC_Q_F_2X_CQ_DESC) + comp_sz *= 2; + for (i = 0; i < lif->nxqs; i++) { err = ionic_qcq_alloc(lif, IONIC_QTYPE_RXQ, i, "rx", flags, - lif->nrxq_descs, - sizeof(struct ionic_rxq_desc), - sizeof(struct ionic_rxq_comp), - sizeof(struct ionic_rxq_sg_desc), + num_desc, desc_sz, comp_sz, sg_desc_sz, lif->kern_pid, &lif->rxqcqs[i]); if (err) goto err_out; + lif->rxqcqs[i]->q.features = lif->rxq_features; + ionic_intr_coal_init(lif->ionic->idev.intr_ctrl, lif->rxqcqs[i]->intr.index, lif->rx_coalesce_hw); @@ -1822,8 +2148,26 @@ static int ionic_txrx_enable(struct ionic_lif *lif) } } + if (lif->hwstamp_rxq) { + ionic_rx_fill(&lif->hwstamp_rxq->q); + err = ionic_qcq_enable(lif->hwstamp_rxq); + if (err) + goto err_out_hwstamp_rx; + } + + if (lif->hwstamp_txq) { + err = ionic_qcq_enable(lif->hwstamp_txq); + if (err) + goto err_out_hwstamp_tx; + } + return 0; +err_out_hwstamp_tx: + if (lif->hwstamp_rxq) + derr = ionic_qcq_disable(lif->hwstamp_rxq, (derr != -ETIMEDOUT)); +err_out_hwstamp_rx: + i = lif->nxqs; err_out: while (i--) { derr = ionic_qcq_disable(lif->txqcqs[i], (derr != -ETIMEDOUT)); @@ -1837,6 +2181,12 @@ static int ionic_start_queues(struct ionic_lif *lif) { int err; + if (test_bit(IONIC_LIF_F_BROKEN, lif->state)) + return -EIO; + + if (test_bit(IONIC_LIF_F_FW_RESET, lif->state)) + return -EBUSY; + if (test_and_set_bit(IONIC_LIF_F_UP, lif->state)) return 0; @@ -1855,13 +2205,17 @@ static int ionic_open(struct net_device *netdev) struct ionic_lif *lif = netdev_priv(netdev); int err; + /* If recovering from a broken state, clear the bit and we'll try again */ + if (test_and_clear_bit(IONIC_LIF_F_BROKEN, lif->state)) + netdev_info(netdev, "clearing broken state\n"); + err = ionic_txrx_alloc(lif); if (err) return err; err = ionic_txrx_init(lif); if (err) - goto err_out; + goto err_txrx_free; err = netif_set_real_num_tx_queues(netdev, lif->nxqs); if (err) @@ -1882,7 +2236,7 @@ static int ionic_open(struct net_device *netdev) err_txrx_deinit: ionic_txrx_deinit(lif); -err_out: +err_txrx_free: ionic_txrx_free(lif); return err; } @@ -1910,6 +2264,20 @@ static int ionic_stop(struct net_device *netdev) return 0; } +static int ionic_do_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) +{ + struct ionic_lif *lif = netdev_priv(netdev); + + switch (cmd) { + case SIOCSHWTSTAMP: + return ionic_lif_hwstamp_set(lif, ifr); + case SIOCGHWTSTAMP: + return ionic_lif_hwstamp_get(lif, ifr); + default: + return -EOPNOTSUPP; + } +} + static int ionic_get_vf_config(struct net_device *netdev, int vf, struct ifla_vf_info *ivf) { @@ -2158,6 +2526,7 @@ static int ionic_set_vf_link_state(struct net_device *netdev, int vf, int set) static const struct net_device_ops ionic_netdev_ops = { .ndo_open = ionic_open, .ndo_stop = ionic_stop, + .ndo_do_ioctl = ionic_do_ioctl, .ndo_start_xmit = ionic_start_xmit, .ndo_get_stats64 = ionic_get_stats64, .ndo_set_rx_mode = ionic_ndo_set_rx_mode, @@ -2181,7 +2550,9 @@ static const struct net_device_ops ionic_netdev_ops = { static void ionic_swap_queues(struct ionic_qcq *a, struct ionic_qcq *b) { /* only swapping the queues, not the napi, flags, or other stuff */ + 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); @@ -2189,6 +2560,7 @@ static void ionic_swap_queues(struct ionic_qcq *a, struct ionic_qcq *b) swap(a->q_base_pa, b->q_base_pa); swap(a->q_size, b->q_size); + swap(a->q.sg_desc_size, b->q.sg_desc_size); swap(a->q.sg_base, b->q.sg_base); swap(a->q.sg_base_pa, b->q.sg_base_pa); swap(a->sg_base, b->sg_base); @@ -2196,23 +2568,26 @@ static void ionic_swap_queues(struct ionic_qcq *a, struct ionic_qcq *b) swap(a->sg_size, b->sg_size); swap(a->cq.num_descs, b->cq.num_descs); + swap(a->cq.desc_size, b->cq.desc_size); swap(a->cq.base, b->cq.base); swap(a->cq.base_pa, b->cq.base_pa); swap(a->cq.info, b->cq.info); swap(a->cq_base, b->cq_base); swap(a->cq_base_pa, b->cq_base_pa); swap(a->cq_size, b->cq_size); + + ionic_debugfs_del_qcq(a); + ionic_debugfs_add_qcq(a->q.lif, a); } int ionic_reconfigure_queues(struct ionic_lif *lif, struct ionic_queue_params *qparam) { + unsigned int comp_sz, desc_sz, num_desc, sg_desc_sz; struct ionic_qcq **tx_qcqs = NULL; struct ionic_qcq **rx_qcqs = NULL; - unsigned int sg_desc_sz; - unsigned int flags; + unsigned int flags, i; int err = -ENOMEM; - unsigned int i; /* allocate temporary qcq arrays to hold new queue structs */ if (qparam->nxqs != lif->nxqs || qparam->ntxq_descs != lif->ntxq_descs) { @@ -2221,7 +2596,9 @@ int ionic_reconfigure_queues(struct ionic_lif *lif, if (!tx_qcqs) goto err_out; } - if (qparam->nxqs != lif->nxqs || qparam->nrxq_descs != lif->nrxq_descs) { + if (qparam->nxqs != lif->nxqs || + qparam->nrxq_descs != lif->nrxq_descs || + qparam->rxq_features != lif->rxq_features) { rx_qcqs = devm_kcalloc(lif->ionic->dev, lif->ionic->nrxqs_per_lif, sizeof(struct ionic_qcq *), GFP_KERNEL); if (!rx_qcqs) @@ -2231,21 +2608,22 @@ int ionic_reconfigure_queues(struct ionic_lif *lif, /* allocate new desc_info and rings, but leave the interrupt setup * until later so as to not mess with the still-running queues */ - if (lif->qtype_info[IONIC_QTYPE_TXQ].version >= 1 && - lif->qtype_info[IONIC_QTYPE_TXQ].sg_desc_sz == - sizeof(struct ionic_txq_sg_desc_v1)) - sg_desc_sz = sizeof(struct ionic_txq_sg_desc_v1); - else - sg_desc_sz = sizeof(struct ionic_txq_sg_desc); - if (tx_qcqs) { + num_desc = qparam->ntxq_descs; + desc_sz = sizeof(struct ionic_txq_desc); + comp_sz = sizeof(struct ionic_txq_comp); + + if (lif->qtype_info[IONIC_QTYPE_TXQ].version >= 1 && + lif->qtype_info[IONIC_QTYPE_TXQ].sg_desc_sz == + sizeof(struct ionic_txq_sg_desc_v1)) + sg_desc_sz = sizeof(struct ionic_txq_sg_desc_v1); + else + sg_desc_sz = sizeof(struct ionic_txq_sg_desc); + for (i = 0; i < qparam->nxqs; i++) { flags = lif->txqcqs[i]->flags & ~IONIC_QCQ_F_INTR; err = ionic_qcq_alloc(lif, IONIC_QTYPE_TXQ, i, "tx", flags, - qparam->ntxq_descs, - sizeof(struct ionic_txq_desc), - sizeof(struct ionic_txq_comp), - sg_desc_sz, + num_desc, desc_sz, comp_sz, sg_desc_sz, lif->kern_pid, &tx_qcqs[i]); if (err) goto err_out; @@ -2253,16 +2631,23 @@ int ionic_reconfigure_queues(struct ionic_lif *lif, } if (rx_qcqs) { + num_desc = qparam->nrxq_descs; + desc_sz = sizeof(struct ionic_rxq_desc); + comp_sz = sizeof(struct ionic_rxq_comp); + sg_desc_sz = sizeof(struct ionic_rxq_sg_desc); + + if (qparam->rxq_features & IONIC_Q_F_2X_CQ_DESC) + comp_sz *= 2; + for (i = 0; i < qparam->nxqs; i++) { flags = lif->rxqcqs[i]->flags & ~IONIC_QCQ_F_INTR; err = ionic_qcq_alloc(lif, IONIC_QTYPE_RXQ, i, "rx", flags, - qparam->nrxq_descs, - sizeof(struct ionic_rxq_desc), - sizeof(struct ionic_rxq_comp), - sizeof(struct ionic_rxq_sg_desc), + num_desc, desc_sz, comp_sz, sg_desc_sz, lif->kern_pid, &rx_qcqs[i]); if (err) goto err_out; + + rx_qcqs[i]->q.features = qparam->rxq_features; } } @@ -2349,9 +2734,10 @@ int ionic_reconfigure_queues(struct ionic_lif *lif, } swap(lif->nxqs, qparam->nxqs); + swap(lif->rxq_features, qparam->rxq_features); err_out_reinit_unlock: - /* re-init the queues, but don't loose an error code */ + /* re-init the queues, but don't lose an error code */ if (err) ionic_start_queues_reconfig(lif); else @@ -2450,7 +2836,6 @@ int ionic_lif_alloc(struct ionic *ionic) lif->index = 0; lif->ntxq_descs = IONIC_DEF_TXRX_DESC; lif->nrxq_descs = IONIC_DEF_TXRX_DESC; - lif->tx_budget = IONIC_TX_BUDGET_DEFAULT; /* Convert the default coalesce value to actual hw resolution */ lif->rx_coalesce_usecs = IONIC_ITR_COAL_USEC_DEFAULT; @@ -2501,6 +2886,8 @@ int ionic_lif_alloc(struct ionic *ionic) } netdev_rss_key_fill(lif->rss_hash_key, IONIC_RSS_HASH_KEY_SIZE); + ionic_lif_alloc_phc(lif); + return 0; err_out_free_qcqs: @@ -2601,10 +2988,13 @@ static void ionic_lif_handle_fw_up(struct ionic_lif *lif) } clear_bit(IONIC_LIF_F_FW_RESET, lif->state); - ionic_link_status_check_request(lif, true); + ionic_link_status_check_request(lif, CAN_SLEEP); netif_device_attach(lif->netdev); dev_info(ionic->dev, "FW Up: LIFs restarted\n"); + /* restore the hardware timestamping queues */ + ionic_lif_hwstamp_replay(lif); + return; err_txrx_free: @@ -2621,6 +3011,8 @@ void ionic_lif_free(struct ionic_lif *lif) { struct device *dev = lif->ionic->dev; + ionic_lif_free_phc(lif); + /* free rss indirection table */ dma_free_coherent(dev, lif->rss_ind_tbl_sz, lif->rss_ind_tbl, lif->rss_ind_tbl_pa); @@ -2957,6 +3349,8 @@ int ionic_lif_register(struct ionic_lif *lif) { int err; + ionic_lif_register_phc(lif); + INIT_WORK(&lif->ionic->nb_work, ionic_lif_notify_work); lif->ionic->nb.notifier_call = ionic_lif_notify; @@ -2969,10 +3363,11 @@ int ionic_lif_register(struct ionic_lif *lif) err = register_netdev(lif->netdev); if (err) { dev_err(lif->ionic->dev, "Cannot register net device, aborting\n"); + ionic_lif_unregister_phc(lif); return err; } - ionic_link_status_check_request(lif, true); + ionic_link_status_check_request(lif, CAN_SLEEP); lif->registered = true; ionic_lif_set_netdev_info(lif); @@ -2989,6 +3384,9 @@ void ionic_lif_unregister(struct ionic_lif *lif) if (lif->netdev->reg_state == NETREG_REGISTERED) unregister_netdev(lif->netdev); + + ionic_lif_unregister_phc(lif); + lif->registered = false; } @@ -3128,6 +3526,16 @@ int ionic_lif_size(struct ionic *ionic) ntxqs_per_lif = le32_to_cpu(lc->queue_count[IONIC_QTYPE_TXQ]); nrxqs_per_lif = le32_to_cpu(lc->queue_count[IONIC_QTYPE_RXQ]); + /* reserve last queue id for hardware timestamping */ + if (lc->features & cpu_to_le64(IONIC_ETH_HW_TIMESTAMP)) { + if (ntxqs_per_lif <= 1 || nrxqs_per_lif <= 1) { + lc->features &= cpu_to_le64(~IONIC_ETH_HW_TIMESTAMP); + } else { + ntxqs_per_lif -= 1; + nrxqs_per_lif -= 1; + } + } + nxqs = min(ntxqs_per_lif, nrxqs_per_lif); nxqs = min(nxqs, num_online_cpus()); neqs = min(neqs_per_lif, num_online_cpus()); |