diff options
Diffstat (limited to 'drivers/net/ethernet/aquantia/atlantic/aq_nic.c')
-rw-r--r-- | drivers/net/ethernet/aquantia/atlantic/aq_nic.c | 127 |
1 files changed, 96 insertions, 31 deletions
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_nic.c b/drivers/net/ethernet/aquantia/atlantic/aq_nic.c index ff83667410bd..41172fbebddd 100644 --- a/drivers/net/ethernet/aquantia/atlantic/aq_nic.c +++ b/drivers/net/ethernet/aquantia/atlantic/aq_nic.c @@ -1,10 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * aQuantia Corporation Network Driver * Copyright (C) 2014-2017 aQuantia Corporation. All rights reserved - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. */ /* File aq_nic.c: Definition of common code for NIC. */ @@ -14,6 +11,7 @@ #include "aq_vec.h" #include "aq_hw.h" #include "aq_pci_func.h" +#include "aq_main.h" #include <linux/moduleparam.h> #include <linux/netdevice.h> @@ -73,6 +71,7 @@ void aq_nic_cfg_start(struct aq_nic_s *self) cfg->tx_itr = aq_itr_tx; cfg->rx_itr = aq_itr_rx; + cfg->rxpageorder = AQ_CFG_RX_PAGEORDER; cfg->is_rss = AQ_CFG_IS_RSS_DEF; cfg->num_rss_queues = AQ_CFG_NUM_RSS_QUEUES_DEF; cfg->aq_rss.base_cpu_number = AQ_CFG_RSS_BASE_CPU_NUM_DEF; @@ -91,7 +90,8 @@ void aq_nic_cfg_start(struct aq_nic_s *self) /*rss rings */ cfg->vecs = min(cfg->aq_hw_caps->vecs, AQ_CFG_VECS_DEF); cfg->vecs = min(cfg->vecs, num_online_cpus()); - cfg->vecs = min(cfg->vecs, self->irqvecs); + if (self->irqvecs > AQ_HW_SERVICE_IRQS) + cfg->vecs = min(cfg->vecs, self->irqvecs - AQ_HW_SERVICE_IRQS); /* cfg->vecs should be power of 2 for RSS */ if (cfg->vecs >= 8U) cfg->vecs = 8U; @@ -115,8 +115,18 @@ void aq_nic_cfg_start(struct aq_nic_s *self) cfg->vecs = 1U; } + /* Check if we have enough vectors allocated for + * link status IRQ. If no - we'll know link state from + * slower service task. + */ + if (AQ_HW_SERVICE_IRQS > 0 && cfg->vecs + 1 <= self->irqvecs) + cfg->link_irq_vec = cfg->vecs; + else + cfg->link_irq_vec = 0; + cfg->link_speed_msk &= cfg->aq_hw_caps->link_speed_msk; cfg->features = cfg->aq_hw_caps->hw_features; + cfg->is_vlan_force_promisc = true; } static int aq_nic_update_link_status(struct aq_nic_s *self) @@ -160,30 +170,48 @@ static int aq_nic_update_link_status(struct aq_nic_s *self) return 0; } -static void aq_nic_service_timer_cb(struct timer_list *t) +static irqreturn_t aq_linkstate_threaded_isr(int irq, void *private) { - struct aq_nic_s *self = from_timer(self, t, service_timer); - int ctimer = AQ_CFG_SERVICE_TIMER_INTERVAL; - int err = 0; + struct aq_nic_s *self = private; + + if (!self) + return IRQ_NONE; + + aq_nic_update_link_status(self); + + self->aq_hw_ops->hw_irq_enable(self->aq_hw, + BIT(self->aq_nic_cfg.link_irq_vec)); + return IRQ_HANDLED; +} + +static void aq_nic_service_task(struct work_struct *work) +{ + struct aq_nic_s *self = container_of(work, struct aq_nic_s, + service_task); + int err; if (aq_utils_obj_test(&self->flags, AQ_NIC_FLAGS_IS_NOT_READY)) - goto err_exit; + return; err = aq_nic_update_link_status(self); if (err) - goto err_exit; + return; + mutex_lock(&self->fwreq_mutex); if (self->aq_fw_ops->update_stats) self->aq_fw_ops->update_stats(self->aq_hw); + mutex_unlock(&self->fwreq_mutex); aq_nic_update_ndev_stats(self); +} + +static void aq_nic_service_timer_cb(struct timer_list *t) +{ + struct aq_nic_s *self = from_timer(self, t, service_timer); - /* If no link - use faster timer rate to detect link up asap */ - if (!netif_carrier_ok(self->ndev)) - ctimer = max(ctimer / 2, 1); + mod_timer(&self->service_timer, jiffies + AQ_CFG_SERVICE_TIMER_INTERVAL); -err_exit: - mod_timer(&self->service_timer, jiffies + ctimer); + aq_ndev_schedule_work(&self->service_task); } static void aq_nic_polling_timer_cb(struct timer_list *t) @@ -213,8 +241,10 @@ int aq_nic_ndev_register(struct aq_nic_s *self) if (err) goto err_exit; + mutex_lock(&self->fwreq_mutex); err = self->aq_fw_ops->get_mac_permanent(self->aq_hw, self->ndev->dev_addr); + mutex_unlock(&self->fwreq_mutex); if (err) goto err_exit; @@ -283,7 +313,9 @@ int aq_nic_init(struct aq_nic_s *self) unsigned int i = 0U; self->power_state = AQ_HW_POWER_STATE_D0; + mutex_lock(&self->fwreq_mutex); err = self->aq_hw_ops->hw_reset(self->aq_hw); + mutex_unlock(&self->fwreq_mutex); if (err < 0) goto err_exit; @@ -333,9 +365,11 @@ int aq_nic_start(struct aq_nic_s *self) err = aq_nic_update_interrupt_moderation_settings(self); if (err) goto err_exit; + + INIT_WORK(&self->service_task, aq_nic_service_task); + timer_setup(&self->service_timer, aq_nic_service_timer_cb, 0); - mod_timer(&self->service_timer, jiffies + - AQ_CFG_SERVICE_TIMER_INTERVAL); + aq_nic_service_timer_cb(&self->service_timer); if (self->aq_nic_cfg.is_polling) { timer_setup(&self->polling_timer, aq_nic_polling_timer_cb, 0); @@ -344,13 +378,25 @@ int aq_nic_start(struct aq_nic_s *self) } else { for (i = 0U, aq_vec = self->aq_vec[0]; self->aq_vecs > i; ++i, aq_vec = self->aq_vec[i]) { - err = aq_pci_func_alloc_irq(self, i, - self->ndev->name, aq_vec, + err = aq_pci_func_alloc_irq(self, i, self->ndev->name, + aq_vec_isr, aq_vec, aq_vec_get_affinity_mask(aq_vec)); if (err < 0) goto err_exit; } + if (self->aq_nic_cfg.link_irq_vec) { + int irqvec = pci_irq_vector(self->pdev, + self->aq_nic_cfg.link_irq_vec); + err = request_threaded_irq(irqvec, NULL, + aq_linkstate_threaded_isr, + IRQF_SHARED, + self->ndev->name, self); + if (err < 0) + goto err_exit; + self->msix_entry_mask |= (1 << self->aq_nic_cfg.link_irq_vec); + } + err = self->aq_hw_ops->hw_irq_enable(self->aq_hw, AQ_CFG_IRQ_MASK); if (err < 0) @@ -652,7 +698,14 @@ void aq_nic_get_stats(struct aq_nic_s *self, u64 *data) unsigned int i = 0U; unsigned int count = 0U; struct aq_vec_s *aq_vec = NULL; - struct aq_stats_s *stats = self->aq_hw_ops->hw_get_hw_stats(self->aq_hw); + struct aq_stats_s *stats; + + if (self->aq_fw_ops->update_stats) { + mutex_lock(&self->fwreq_mutex); + self->aq_fw_ops->update_stats(self->aq_hw); + mutex_unlock(&self->fwreq_mutex); + } + stats = self->aq_hw_ops->hw_get_hw_stats(self->aq_hw); if (!stats) goto err_exit; @@ -698,11 +751,12 @@ static void aq_nic_update_ndev_stats(struct aq_nic_s *self) struct net_device *ndev = self->ndev; struct aq_stats_s *stats = self->aq_hw_ops->hw_get_hw_stats(self->aq_hw); - ndev->stats.rx_packets = stats->uprc + stats->mprc + stats->bprc; - ndev->stats.rx_bytes = stats->ubrc + stats->mbrc + stats->bbrc; + ndev->stats.rx_packets = stats->dma_pkt_rc; + ndev->stats.rx_bytes = stats->dma_oct_rc; ndev->stats.rx_errors = stats->erpr; - ndev->stats.tx_packets = stats->uptc + stats->mptc + stats->bptc; - ndev->stats.tx_bytes = stats->ubtc + stats->mbtc + stats->bbtc; + ndev->stats.rx_dropped = stats->dpc; + ndev->stats.tx_packets = stats->dma_pkt_tc; + ndev->stats.tx_bytes = stats->dma_oct_tc; ndev->stats.tx_errors = stats->erpt; ndev->stats.multicast = stats->mprc; } @@ -839,7 +893,9 @@ int aq_nic_set_link_ksettings(struct aq_nic_s *self, self->aq_nic_cfg.is_autoneg = false; } + mutex_lock(&self->fwreq_mutex); err = self->aq_fw_ops->set_link_speed(self->aq_hw, rate); + mutex_unlock(&self->fwreq_mutex); if (err < 0) goto err_exit; @@ -872,6 +928,7 @@ int aq_nic_stop(struct aq_nic_s *self) netif_carrier_off(self->ndev); del_timer_sync(&self->service_timer); + cancel_work_sync(&self->service_task); self->aq_hw_ops->hw_irq_disable(self->aq_hw, AQ_CFG_IRQ_MASK); @@ -899,14 +956,22 @@ void aq_nic_deinit(struct aq_nic_s *self) self->aq_vecs > i; ++i, aq_vec = self->aq_vec[i]) aq_vec_deinit(aq_vec); - self->aq_fw_ops->deinit(self->aq_hw); + if (likely(self->aq_fw_ops->deinit)) { + mutex_lock(&self->fwreq_mutex); + self->aq_fw_ops->deinit(self->aq_hw); + mutex_unlock(&self->fwreq_mutex); + } if (self->power_state != AQ_HW_POWER_STATE_D0 || - self->aq_hw->aq_nic_cfg->wol) { - self->aq_fw_ops->set_power(self->aq_hw, - self->power_state, - self->ndev->dev_addr); - } + self->aq_hw->aq_nic_cfg->wol) + if (likely(self->aq_fw_ops->set_power)) { + mutex_lock(&self->fwreq_mutex); + self->aq_fw_ops->set_power(self->aq_hw, + self->power_state, + self->ndev->dev_addr); + mutex_unlock(&self->fwreq_mutex); + } + err_exit:; } |