mirror of https://gitee.com/openkylin/linux.git
1008 lines
23 KiB
C
1008 lines
23 KiB
C
/*
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* aQuantia Corporation Network Driver
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* Copyright (C) 2014-2017 aQuantia Corporation. All rights reserved
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*/
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/* File aq_nic.c: Definition of common code for NIC. */
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#include "aq_nic.h"
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#include "aq_ring.h"
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#include "aq_vec.h"
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#include "aq_hw.h"
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#include "aq_pci_func.h"
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#include "aq_nic_internal.h"
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#include <linux/netdevice.h>
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#include <linux/etherdevice.h>
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#include <linux/timer.h>
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#include <linux/cpu.h>
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#include <linux/ip.h>
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#include <linux/tcp.h>
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#include <net/ip.h>
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static void aq_nic_rss_init(struct aq_nic_s *self, unsigned int num_rss_queues)
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{
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struct aq_nic_cfg_s *cfg = &self->aq_nic_cfg;
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struct aq_rss_parameters *rss_params = &cfg->aq_rss;
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int i = 0;
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static u8 rss_key[40] = {
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0x1e, 0xad, 0x71, 0x87, 0x65, 0xfc, 0x26, 0x7d,
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0x0d, 0x45, 0x67, 0x74, 0xcd, 0x06, 0x1a, 0x18,
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0xb6, 0xc1, 0xf0, 0xc7, 0xbb, 0x18, 0xbe, 0xf8,
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0x19, 0x13, 0x4b, 0xa9, 0xd0, 0x3e, 0xfe, 0x70,
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0x25, 0x03, 0xab, 0x50, 0x6a, 0x8b, 0x82, 0x0c
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};
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rss_params->hash_secret_key_size = sizeof(rss_key);
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memcpy(rss_params->hash_secret_key, rss_key, sizeof(rss_key));
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rss_params->indirection_table_size = AQ_CFG_RSS_INDIRECTION_TABLE_MAX;
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for (i = rss_params->indirection_table_size; i--;)
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rss_params->indirection_table[i] = i & (num_rss_queues - 1);
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}
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/* Fills aq_nic_cfg with valid defaults */
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static void aq_nic_cfg_init_defaults(struct aq_nic_s *self)
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{
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struct aq_nic_cfg_s *cfg = &self->aq_nic_cfg;
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cfg->aq_hw_caps = &self->aq_hw_caps;
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cfg->vecs = AQ_CFG_VECS_DEF;
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cfg->tcs = AQ_CFG_TCS_DEF;
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cfg->rxds = AQ_CFG_RXDS_DEF;
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cfg->txds = AQ_CFG_TXDS_DEF;
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cfg->is_polling = AQ_CFG_IS_POLLING_DEF;
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cfg->is_interrupt_moderation = AQ_CFG_IS_INTERRUPT_MODERATION_DEF;
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cfg->itr = cfg->is_interrupt_moderation ?
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AQ_CFG_INTERRUPT_MODERATION_RATE_DEF : 0U;
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cfg->is_rss = AQ_CFG_IS_RSS_DEF;
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cfg->num_rss_queues = AQ_CFG_NUM_RSS_QUEUES_DEF;
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cfg->aq_rss.base_cpu_number = AQ_CFG_RSS_BASE_CPU_NUM_DEF;
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cfg->flow_control = AQ_CFG_FC_MODE;
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cfg->mtu = AQ_CFG_MTU_DEF;
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cfg->link_speed_msk = AQ_CFG_SPEED_MSK;
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cfg->is_autoneg = AQ_CFG_IS_AUTONEG_DEF;
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cfg->is_lro = AQ_CFG_IS_LRO_DEF;
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cfg->vlan_id = 0U;
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aq_nic_rss_init(self, cfg->num_rss_queues);
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}
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/* Checks hw_caps and 'corrects' aq_nic_cfg in runtime */
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int aq_nic_cfg_start(struct aq_nic_s *self)
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{
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struct aq_nic_cfg_s *cfg = &self->aq_nic_cfg;
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/*descriptors */
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cfg->rxds = min(cfg->rxds, cfg->aq_hw_caps->rxds);
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cfg->txds = min(cfg->txds, cfg->aq_hw_caps->txds);
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/*rss rings */
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cfg->vecs = min(cfg->vecs, cfg->aq_hw_caps->vecs);
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cfg->vecs = min(cfg->vecs, num_online_cpus());
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/* cfg->vecs should be power of 2 for RSS */
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if (cfg->vecs >= 8U)
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cfg->vecs = 8U;
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else if (cfg->vecs >= 4U)
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cfg->vecs = 4U;
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else if (cfg->vecs >= 2U)
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cfg->vecs = 2U;
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else
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cfg->vecs = 1U;
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cfg->irq_type = aq_pci_func_get_irq_type(self->aq_pci_func);
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if ((cfg->irq_type == AQ_HW_IRQ_LEGACY) ||
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(self->aq_hw_caps.vecs == 1U) ||
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(cfg->vecs == 1U)) {
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cfg->is_rss = 0U;
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cfg->vecs = 1U;
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}
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cfg->link_speed_msk &= self->aq_hw_caps.link_speed_msk;
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cfg->hw_features = self->aq_hw_caps.hw_features;
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return 0;
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}
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static void aq_nic_service_timer_cb(unsigned long param)
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{
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struct aq_nic_s *self = (struct aq_nic_s *)param;
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struct net_device *ndev = aq_nic_get_ndev(self);
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int err = 0;
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unsigned int i = 0U;
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struct aq_hw_link_status_s link_status;
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struct aq_ring_stats_rx_s stats_rx;
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struct aq_ring_stats_tx_s stats_tx;
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if (aq_utils_obj_test(&self->header.flags, AQ_NIC_FLAGS_IS_NOT_READY))
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goto err_exit;
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err = self->aq_hw_ops.hw_get_link_status(self->aq_hw, &link_status);
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if (err < 0)
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goto err_exit;
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self->aq_hw_ops.hw_interrupt_moderation_set(self->aq_hw,
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self->aq_nic_cfg.is_interrupt_moderation);
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if (memcmp(&link_status, &self->link_status, sizeof(link_status))) {
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if (link_status.mbps) {
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aq_utils_obj_set(&self->header.flags,
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AQ_NIC_FLAG_STARTED);
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aq_utils_obj_clear(&self->header.flags,
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AQ_NIC_LINK_DOWN);
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netif_carrier_on(self->ndev);
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} else {
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netif_carrier_off(self->ndev);
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aq_utils_obj_set(&self->header.flags, AQ_NIC_LINK_DOWN);
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}
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self->link_status = link_status;
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}
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memset(&stats_rx, 0U, sizeof(struct aq_ring_stats_rx_s));
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memset(&stats_tx, 0U, sizeof(struct aq_ring_stats_tx_s));
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for (i = AQ_DIMOF(self->aq_vec); i--;) {
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if (self->aq_vec[i])
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aq_vec_add_stats(self->aq_vec[i], &stats_rx, &stats_tx);
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}
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ndev->stats.rx_packets = stats_rx.packets;
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ndev->stats.rx_bytes = stats_rx.bytes;
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ndev->stats.rx_errors = stats_rx.errors;
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ndev->stats.tx_packets = stats_tx.packets;
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ndev->stats.tx_bytes = stats_tx.bytes;
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ndev->stats.tx_errors = stats_tx.errors;
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err_exit:
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mod_timer(&self->service_timer,
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jiffies + AQ_CFG_SERVICE_TIMER_INTERVAL);
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}
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static void aq_nic_polling_timer_cb(unsigned long param)
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{
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struct aq_nic_s *self = (struct aq_nic_s *)param;
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struct aq_vec_s *aq_vec = NULL;
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unsigned int i = 0U;
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for (i = 0U, aq_vec = self->aq_vec[0];
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self->aq_vecs > i; ++i, aq_vec = self->aq_vec[i])
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aq_vec_isr(i, (void *)aq_vec);
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mod_timer(&self->polling_timer, jiffies +
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AQ_CFG_POLLING_TIMER_INTERVAL);
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}
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static struct net_device *aq_nic_ndev_alloc(void)
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{
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return alloc_etherdev_mq(sizeof(struct aq_nic_s), AQ_CFG_VECS_MAX);
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}
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struct aq_nic_s *aq_nic_alloc_cold(const struct net_device_ops *ndev_ops,
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const struct ethtool_ops *et_ops,
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struct device *dev,
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struct aq_pci_func_s *aq_pci_func,
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unsigned int port,
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const struct aq_hw_ops *aq_hw_ops)
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{
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struct net_device *ndev = NULL;
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struct aq_nic_s *self = NULL;
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int err = 0;
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ndev = aq_nic_ndev_alloc();
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if (!ndev) {
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err = -ENOMEM;
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goto err_exit;
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}
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self = netdev_priv(ndev);
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ndev->netdev_ops = ndev_ops;
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ndev->ethtool_ops = et_ops;
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SET_NETDEV_DEV(ndev, dev);
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ndev->if_port = port;
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ndev->min_mtu = ETH_MIN_MTU;
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self->ndev = ndev;
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self->aq_pci_func = aq_pci_func;
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self->aq_hw_ops = *aq_hw_ops;
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self->port = (u8)port;
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self->aq_hw = self->aq_hw_ops.create(aq_pci_func, self->port,
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&self->aq_hw_ops);
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err = self->aq_hw_ops.get_hw_caps(self->aq_hw, &self->aq_hw_caps);
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if (err < 0)
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goto err_exit;
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aq_nic_cfg_init_defaults(self);
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err_exit:
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if (err < 0) {
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aq_nic_free_hot_resources(self);
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self = NULL;
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}
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return self;
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}
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int aq_nic_ndev_register(struct aq_nic_s *self)
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{
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int err = 0;
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unsigned int i = 0U;
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if (!self->ndev) {
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err = -EINVAL;
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goto err_exit;
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}
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err = self->aq_hw_ops.hw_get_mac_permanent(self->aq_hw,
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self->aq_nic_cfg.aq_hw_caps,
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self->ndev->dev_addr);
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if (err < 0)
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goto err_exit;
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#if defined(AQ_CFG_MAC_ADDR_PERMANENT)
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{
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static u8 mac_addr_permanent[] = AQ_CFG_MAC_ADDR_PERMANENT;
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ether_addr_copy(self->ndev->dev_addr, mac_addr_permanent);
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}
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#endif
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netif_carrier_off(self->ndev);
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for (i = AQ_CFG_VECS_MAX; i--;)
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aq_nic_ndev_queue_stop(self, i);
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err = register_netdev(self->ndev);
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if (err < 0)
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goto err_exit;
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err_exit:
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return err;
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}
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int aq_nic_ndev_init(struct aq_nic_s *self)
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{
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struct aq_hw_caps_s *aq_hw_caps = self->aq_nic_cfg.aq_hw_caps;
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struct aq_nic_cfg_s *aq_nic_cfg = &self->aq_nic_cfg;
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self->ndev->hw_features |= aq_hw_caps->hw_features;
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self->ndev->features = aq_hw_caps->hw_features;
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self->ndev->priv_flags = aq_hw_caps->hw_priv_flags;
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self->ndev->mtu = aq_nic_cfg->mtu - ETH_HLEN;
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return 0;
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}
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void aq_nic_ndev_free(struct aq_nic_s *self)
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{
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if (!self->ndev)
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goto err_exit;
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if (self->ndev->reg_state == NETREG_REGISTERED)
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unregister_netdev(self->ndev);
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if (self->aq_hw)
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self->aq_hw_ops.destroy(self->aq_hw);
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free_netdev(self->ndev);
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err_exit:;
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}
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struct aq_nic_s *aq_nic_alloc_hot(struct net_device *ndev)
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{
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struct aq_nic_s *self = NULL;
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int err = 0;
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if (!ndev) {
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err = -EINVAL;
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goto err_exit;
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}
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self = netdev_priv(ndev);
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if (!self) {
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err = -EINVAL;
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goto err_exit;
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}
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if (netif_running(ndev)) {
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unsigned int i;
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for (i = AQ_CFG_VECS_MAX; i--;)
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netif_stop_subqueue(ndev, i);
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}
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for (self->aq_vecs = 0; self->aq_vecs < self->aq_nic_cfg.vecs;
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self->aq_vecs++) {
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self->aq_vec[self->aq_vecs] =
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aq_vec_alloc(self, self->aq_vecs, &self->aq_nic_cfg);
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if (!self->aq_vec[self->aq_vecs]) {
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err = -ENOMEM;
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goto err_exit;
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}
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}
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err_exit:
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if (err < 0) {
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aq_nic_free_hot_resources(self);
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self = NULL;
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}
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return self;
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}
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void aq_nic_set_tx_ring(struct aq_nic_s *self, unsigned int idx,
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struct aq_ring_s *ring)
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{
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self->aq_ring_tx[idx] = ring;
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}
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struct device *aq_nic_get_dev(struct aq_nic_s *self)
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{
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return self->ndev->dev.parent;
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}
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struct net_device *aq_nic_get_ndev(struct aq_nic_s *self)
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{
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return self->ndev;
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}
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int aq_nic_init(struct aq_nic_s *self)
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{
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struct aq_vec_s *aq_vec = NULL;
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int err = 0;
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unsigned int i = 0U;
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self->power_state = AQ_HW_POWER_STATE_D0;
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err = self->aq_hw_ops.hw_reset(self->aq_hw);
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if (err < 0)
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goto err_exit;
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err = self->aq_hw_ops.hw_init(self->aq_hw, &self->aq_nic_cfg,
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aq_nic_get_ndev(self)->dev_addr);
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if (err < 0)
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goto err_exit;
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for (i = 0U, aq_vec = self->aq_vec[0];
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self->aq_vecs > i; ++i, aq_vec = self->aq_vec[i])
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aq_vec_init(aq_vec, &self->aq_hw_ops, self->aq_hw);
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err_exit:
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return err;
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}
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void aq_nic_ndev_queue_start(struct aq_nic_s *self, unsigned int idx)
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{
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netif_start_subqueue(self->ndev, idx);
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}
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void aq_nic_ndev_queue_stop(struct aq_nic_s *self, unsigned int idx)
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{
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netif_stop_subqueue(self->ndev, idx);
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}
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int aq_nic_start(struct aq_nic_s *self)
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{
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struct aq_vec_s *aq_vec = NULL;
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int err = 0;
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unsigned int i = 0U;
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err = self->aq_hw_ops.hw_multicast_list_set(self->aq_hw,
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self->mc_list.ar,
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self->mc_list.count);
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if (err < 0)
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goto err_exit;
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err = self->aq_hw_ops.hw_packet_filter_set(self->aq_hw,
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self->packet_filter);
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if (err < 0)
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goto err_exit;
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for (i = 0U, aq_vec = self->aq_vec[0];
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self->aq_vecs > i; ++i, aq_vec = self->aq_vec[i]) {
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err = aq_vec_start(aq_vec);
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if (err < 0)
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goto err_exit;
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}
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err = self->aq_hw_ops.hw_start(self->aq_hw);
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if (err < 0)
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goto err_exit;
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err = self->aq_hw_ops.hw_interrupt_moderation_set(self->aq_hw,
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self->aq_nic_cfg.is_interrupt_moderation);
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if (err < 0)
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goto err_exit;
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setup_timer(&self->service_timer, &aq_nic_service_timer_cb,
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(unsigned long)self);
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mod_timer(&self->service_timer, jiffies +
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AQ_CFG_SERVICE_TIMER_INTERVAL);
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if (self->aq_nic_cfg.is_polling) {
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setup_timer(&self->polling_timer, &aq_nic_polling_timer_cb,
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(unsigned long)self);
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mod_timer(&self->polling_timer, jiffies +
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AQ_CFG_POLLING_TIMER_INTERVAL);
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} else {
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for (i = 0U, aq_vec = self->aq_vec[0];
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self->aq_vecs > i; ++i, aq_vec = self->aq_vec[i]) {
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err = aq_pci_func_alloc_irq(self->aq_pci_func, i,
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self->ndev->name, aq_vec,
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aq_vec_get_affinity_mask(aq_vec));
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if (err < 0)
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goto err_exit;
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}
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err = self->aq_hw_ops.hw_irq_enable(self->aq_hw,
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AQ_CFG_IRQ_MASK);
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if (err < 0)
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goto err_exit;
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}
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for (i = 0U, aq_vec = self->aq_vec[0];
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self->aq_vecs > i; ++i, aq_vec = self->aq_vec[i])
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aq_nic_ndev_queue_start(self, i);
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err = netif_set_real_num_tx_queues(self->ndev, self->aq_vecs);
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if (err < 0)
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goto err_exit;
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err = netif_set_real_num_rx_queues(self->ndev, self->aq_vecs);
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if (err < 0)
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goto err_exit;
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err_exit:
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return err;
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}
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static unsigned int aq_nic_map_skb(struct aq_nic_s *self,
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struct sk_buff *skb,
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struct aq_ring_s *ring)
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{
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unsigned int ret = 0U;
|
|
unsigned int nr_frags = skb_shinfo(skb)->nr_frags;
|
|
unsigned int frag_count = 0U;
|
|
unsigned int dx = ring->sw_tail;
|
|
struct aq_ring_buff_s *dx_buff = &ring->buff_ring[dx];
|
|
|
|
if (unlikely(skb_is_gso(skb))) {
|
|
dx_buff->flags = 0U;
|
|
dx_buff->len_pkt = skb->len;
|
|
dx_buff->len_l2 = ETH_HLEN;
|
|
dx_buff->len_l3 = ip_hdrlen(skb);
|
|
dx_buff->len_l4 = tcp_hdrlen(skb);
|
|
dx_buff->mss = skb_shinfo(skb)->gso_size;
|
|
dx_buff->is_txc = 1U;
|
|
|
|
dx_buff->is_ipv6 =
|
|
(ip_hdr(skb)->version == 6) ? 1U : 0U;
|
|
|
|
dx = aq_ring_next_dx(ring, dx);
|
|
dx_buff = &ring->buff_ring[dx];
|
|
++ret;
|
|
}
|
|
|
|
dx_buff->flags = 0U;
|
|
dx_buff->len = skb_headlen(skb);
|
|
dx_buff->pa = dma_map_single(aq_nic_get_dev(self),
|
|
skb->data,
|
|
dx_buff->len,
|
|
DMA_TO_DEVICE);
|
|
|
|
if (unlikely(dma_mapping_error(aq_nic_get_dev(self), dx_buff->pa)))
|
|
goto exit;
|
|
|
|
dx_buff->len_pkt = skb->len;
|
|
dx_buff->is_sop = 1U;
|
|
dx_buff->is_mapped = 1U;
|
|
++ret;
|
|
|
|
if (skb->ip_summed == CHECKSUM_PARTIAL) {
|
|
dx_buff->is_ip_cso = (htons(ETH_P_IP) == skb->protocol) ?
|
|
1U : 0U;
|
|
|
|
if (ip_hdr(skb)->version == 4) {
|
|
dx_buff->is_tcp_cso =
|
|
(ip_hdr(skb)->protocol == IPPROTO_TCP) ?
|
|
1U : 0U;
|
|
dx_buff->is_udp_cso =
|
|
(ip_hdr(skb)->protocol == IPPROTO_UDP) ?
|
|
1U : 0U;
|
|
} else if (ip_hdr(skb)->version == 6) {
|
|
dx_buff->is_tcp_cso =
|
|
(ipv6_hdr(skb)->nexthdr == NEXTHDR_TCP) ?
|
|
1U : 0U;
|
|
dx_buff->is_udp_cso =
|
|
(ipv6_hdr(skb)->nexthdr == NEXTHDR_UDP) ?
|
|
1U : 0U;
|
|
}
|
|
}
|
|
|
|
for (; nr_frags--; ++frag_count) {
|
|
unsigned int frag_len = 0U;
|
|
dma_addr_t frag_pa;
|
|
skb_frag_t *frag = &skb_shinfo(skb)->frags[frag_count];
|
|
|
|
frag_len = skb_frag_size(frag);
|
|
frag_pa = skb_frag_dma_map(aq_nic_get_dev(self), frag, 0,
|
|
frag_len, DMA_TO_DEVICE);
|
|
|
|
if (unlikely(dma_mapping_error(aq_nic_get_dev(self), frag_pa)))
|
|
goto mapping_error;
|
|
|
|
while (frag_len > AQ_CFG_TX_FRAME_MAX) {
|
|
dx = aq_ring_next_dx(ring, dx);
|
|
dx_buff = &ring->buff_ring[dx];
|
|
|
|
dx_buff->flags = 0U;
|
|
dx_buff->len = AQ_CFG_TX_FRAME_MAX;
|
|
dx_buff->pa = frag_pa;
|
|
dx_buff->is_mapped = 1U;
|
|
|
|
frag_len -= AQ_CFG_TX_FRAME_MAX;
|
|
frag_pa += AQ_CFG_TX_FRAME_MAX;
|
|
++ret;
|
|
}
|
|
|
|
dx = aq_ring_next_dx(ring, dx);
|
|
dx_buff = &ring->buff_ring[dx];
|
|
|
|
dx_buff->flags = 0U;
|
|
dx_buff->len = frag_len;
|
|
dx_buff->pa = frag_pa;
|
|
dx_buff->is_mapped = 1U;
|
|
++ret;
|
|
}
|
|
|
|
dx_buff->is_eop = 1U;
|
|
dx_buff->skb = skb;
|
|
goto exit;
|
|
|
|
mapping_error:
|
|
for (dx = ring->sw_tail;
|
|
ret > 0;
|
|
--ret, dx = aq_ring_next_dx(ring, dx)) {
|
|
dx_buff = &ring->buff_ring[dx];
|
|
|
|
if (!dx_buff->is_txc && dx_buff->pa) {
|
|
if (unlikely(dx_buff->is_sop)) {
|
|
dma_unmap_single(aq_nic_get_dev(self),
|
|
dx_buff->pa,
|
|
dx_buff->len,
|
|
DMA_TO_DEVICE);
|
|
} else {
|
|
dma_unmap_page(aq_nic_get_dev(self),
|
|
dx_buff->pa,
|
|
dx_buff->len,
|
|
DMA_TO_DEVICE);
|
|
}
|
|
}
|
|
}
|
|
|
|
exit:
|
|
return ret;
|
|
}
|
|
|
|
int aq_nic_xmit(struct aq_nic_s *self, struct sk_buff *skb)
|
|
__releases(&ring->lock)
|
|
__acquires(&ring->lock)
|
|
{
|
|
struct aq_ring_s *ring = NULL;
|
|
unsigned int frags = 0U;
|
|
unsigned int vec = skb->queue_mapping % self->aq_nic_cfg.vecs;
|
|
unsigned int tc = 0U;
|
|
unsigned int trys = AQ_CFG_LOCK_TRYS;
|
|
int err = NETDEV_TX_OK;
|
|
bool is_nic_in_bad_state;
|
|
|
|
frags = skb_shinfo(skb)->nr_frags + 1;
|
|
|
|
ring = self->aq_ring_tx[AQ_NIC_TCVEC2RING(self, tc, vec)];
|
|
|
|
if (frags > AQ_CFG_SKB_FRAGS_MAX) {
|
|
dev_kfree_skb_any(skb);
|
|
goto err_exit;
|
|
}
|
|
|
|
is_nic_in_bad_state = aq_utils_obj_test(&self->header.flags,
|
|
AQ_NIC_FLAGS_IS_NOT_TX_READY) ||
|
|
(aq_ring_avail_dx(ring) <
|
|
AQ_CFG_SKB_FRAGS_MAX);
|
|
|
|
if (is_nic_in_bad_state) {
|
|
aq_nic_ndev_queue_stop(self, ring->idx);
|
|
err = NETDEV_TX_BUSY;
|
|
goto err_exit;
|
|
}
|
|
|
|
do {
|
|
if (spin_trylock(&ring->header.lock)) {
|
|
frags = aq_nic_map_skb(self, skb, ring);
|
|
|
|
if (likely(frags)) {
|
|
err = self->aq_hw_ops.hw_ring_tx_xmit(
|
|
self->aq_hw,
|
|
ring, frags);
|
|
if (err >= 0) {
|
|
if (aq_ring_avail_dx(ring) <
|
|
AQ_CFG_SKB_FRAGS_MAX + 1)
|
|
aq_nic_ndev_queue_stop(
|
|
self,
|
|
ring->idx);
|
|
|
|
++ring->stats.tx.packets;
|
|
ring->stats.tx.bytes += skb->len;
|
|
}
|
|
} else {
|
|
err = NETDEV_TX_BUSY;
|
|
}
|
|
|
|
spin_unlock(&ring->header.lock);
|
|
break;
|
|
}
|
|
} while (--trys);
|
|
|
|
if (!trys) {
|
|
err = NETDEV_TX_BUSY;
|
|
goto err_exit;
|
|
}
|
|
|
|
err_exit:
|
|
return err;
|
|
}
|
|
|
|
int aq_nic_set_packet_filter(struct aq_nic_s *self, unsigned int flags)
|
|
{
|
|
int err = 0;
|
|
|
|
err = self->aq_hw_ops.hw_packet_filter_set(self->aq_hw, flags);
|
|
if (err < 0)
|
|
goto err_exit;
|
|
|
|
self->packet_filter = flags;
|
|
|
|
err_exit:
|
|
return err;
|
|
}
|
|
|
|
int aq_nic_set_multicast_list(struct aq_nic_s *self, struct net_device *ndev)
|
|
{
|
|
struct netdev_hw_addr *ha = NULL;
|
|
unsigned int i = 0U;
|
|
|
|
self->mc_list.count = 0U;
|
|
|
|
netdev_for_each_mc_addr(ha, ndev) {
|
|
ether_addr_copy(self->mc_list.ar[i++], ha->addr);
|
|
++self->mc_list.count;
|
|
}
|
|
|
|
return self->aq_hw_ops.hw_multicast_list_set(self->aq_hw,
|
|
self->mc_list.ar,
|
|
self->mc_list.count);
|
|
}
|
|
|
|
int aq_nic_set_mtu(struct aq_nic_s *self, int new_mtu)
|
|
{
|
|
int err = 0;
|
|
|
|
if (new_mtu > self->aq_hw_caps.mtu) {
|
|
err = -EINVAL;
|
|
goto err_exit;
|
|
}
|
|
self->aq_nic_cfg.mtu = new_mtu;
|
|
|
|
err_exit:
|
|
return err;
|
|
}
|
|
|
|
int aq_nic_set_mac(struct aq_nic_s *self, struct net_device *ndev)
|
|
{
|
|
return self->aq_hw_ops.hw_set_mac_address(self->aq_hw, ndev->dev_addr);
|
|
}
|
|
|
|
unsigned int aq_nic_get_link_speed(struct aq_nic_s *self)
|
|
{
|
|
return self->link_status.mbps;
|
|
}
|
|
|
|
int aq_nic_get_regs(struct aq_nic_s *self, struct ethtool_regs *regs, void *p)
|
|
{
|
|
u32 *regs_buff = p;
|
|
int err = 0;
|
|
|
|
regs->version = 1;
|
|
|
|
err = self->aq_hw_ops.hw_get_regs(self->aq_hw,
|
|
&self->aq_hw_caps, regs_buff);
|
|
if (err < 0)
|
|
goto err_exit;
|
|
|
|
err_exit:
|
|
return err;
|
|
}
|
|
|
|
int aq_nic_get_regs_count(struct aq_nic_s *self)
|
|
{
|
|
return self->aq_hw_caps.mac_regs_count;
|
|
}
|
|
|
|
void aq_nic_get_stats(struct aq_nic_s *self, u64 *data)
|
|
{
|
|
struct aq_vec_s *aq_vec = NULL;
|
|
unsigned int i = 0U;
|
|
unsigned int count = 0U;
|
|
int err = 0;
|
|
|
|
err = self->aq_hw_ops.hw_get_hw_stats(self->aq_hw, data, &count);
|
|
if (err < 0)
|
|
goto err_exit;
|
|
|
|
data += count;
|
|
count = 0U;
|
|
|
|
for (i = 0U, aq_vec = self->aq_vec[0];
|
|
aq_vec && self->aq_vecs > i; ++i, aq_vec = self->aq_vec[i]) {
|
|
data += count;
|
|
aq_vec_get_sw_stats(aq_vec, data, &count);
|
|
}
|
|
|
|
err_exit:;
|
|
(void)err;
|
|
}
|
|
|
|
void aq_nic_get_link_ksettings(struct aq_nic_s *self,
|
|
struct ethtool_link_ksettings *cmd)
|
|
{
|
|
cmd->base.port = PORT_TP;
|
|
/* This driver supports only 10G capable adapters, so DUPLEX_FULL */
|
|
cmd->base.duplex = DUPLEX_FULL;
|
|
cmd->base.autoneg = self->aq_nic_cfg.is_autoneg;
|
|
|
|
ethtool_link_ksettings_zero_link_mode(cmd, supported);
|
|
|
|
if (self->aq_hw_caps.link_speed_msk & AQ_NIC_RATE_10G)
|
|
ethtool_link_ksettings_add_link_mode(cmd, supported,
|
|
10000baseT_Full);
|
|
|
|
if (self->aq_hw_caps.link_speed_msk & AQ_NIC_RATE_5G)
|
|
ethtool_link_ksettings_add_link_mode(cmd, supported,
|
|
5000baseT_Full);
|
|
|
|
if (self->aq_hw_caps.link_speed_msk & AQ_NIC_RATE_2GS)
|
|
ethtool_link_ksettings_add_link_mode(cmd, supported,
|
|
2500baseT_Full);
|
|
|
|
if (self->aq_hw_caps.link_speed_msk & AQ_NIC_RATE_1G)
|
|
ethtool_link_ksettings_add_link_mode(cmd, supported,
|
|
1000baseT_Full);
|
|
|
|
if (self->aq_hw_caps.link_speed_msk & AQ_NIC_RATE_100M)
|
|
ethtool_link_ksettings_add_link_mode(cmd, supported,
|
|
100baseT_Full);
|
|
|
|
if (self->aq_hw_caps.flow_control)
|
|
ethtool_link_ksettings_add_link_mode(cmd, supported,
|
|
Pause);
|
|
|
|
ethtool_link_ksettings_add_link_mode(cmd, supported, Autoneg);
|
|
ethtool_link_ksettings_add_link_mode(cmd, supported, TP);
|
|
|
|
ethtool_link_ksettings_zero_link_mode(cmd, advertising);
|
|
|
|
if (self->aq_nic_cfg.is_autoneg)
|
|
ethtool_link_ksettings_add_link_mode(cmd, advertising, Autoneg);
|
|
|
|
if (self->aq_nic_cfg.link_speed_msk & AQ_NIC_RATE_10G)
|
|
ethtool_link_ksettings_add_link_mode(cmd, advertising,
|
|
10000baseT_Full);
|
|
|
|
if (self->aq_nic_cfg.link_speed_msk & AQ_NIC_RATE_5G)
|
|
ethtool_link_ksettings_add_link_mode(cmd, advertising,
|
|
5000baseT_Full);
|
|
|
|
if (self->aq_nic_cfg.link_speed_msk & AQ_NIC_RATE_2GS)
|
|
ethtool_link_ksettings_add_link_mode(cmd, advertising,
|
|
2500baseT_Full);
|
|
|
|
if (self->aq_nic_cfg.link_speed_msk & AQ_NIC_RATE_1G)
|
|
ethtool_link_ksettings_add_link_mode(cmd, advertising,
|
|
1000baseT_Full);
|
|
|
|
if (self->aq_nic_cfg.link_speed_msk & AQ_NIC_RATE_100M)
|
|
ethtool_link_ksettings_add_link_mode(cmd, advertising,
|
|
100baseT_Full);
|
|
|
|
if (self->aq_nic_cfg.flow_control)
|
|
ethtool_link_ksettings_add_link_mode(cmd, advertising,
|
|
Pause);
|
|
|
|
ethtool_link_ksettings_add_link_mode(cmd, advertising, TP);
|
|
}
|
|
|
|
int aq_nic_set_link_ksettings(struct aq_nic_s *self,
|
|
const struct ethtool_link_ksettings *cmd)
|
|
{
|
|
u32 speed = 0U;
|
|
u32 rate = 0U;
|
|
int err = 0;
|
|
|
|
if (cmd->base.autoneg == AUTONEG_ENABLE) {
|
|
rate = self->aq_hw_caps.link_speed_msk;
|
|
self->aq_nic_cfg.is_autoneg = true;
|
|
} else {
|
|
speed = cmd->base.speed;
|
|
|
|
switch (speed) {
|
|
case SPEED_100:
|
|
rate = AQ_NIC_RATE_100M;
|
|
break;
|
|
|
|
case SPEED_1000:
|
|
rate = AQ_NIC_RATE_1G;
|
|
break;
|
|
|
|
case SPEED_2500:
|
|
rate = AQ_NIC_RATE_2GS;
|
|
break;
|
|
|
|
case SPEED_5000:
|
|
rate = AQ_NIC_RATE_5G;
|
|
break;
|
|
|
|
case SPEED_10000:
|
|
rate = AQ_NIC_RATE_10G;
|
|
break;
|
|
|
|
default:
|
|
err = -1;
|
|
goto err_exit;
|
|
break;
|
|
}
|
|
if (!(self->aq_hw_caps.link_speed_msk & rate)) {
|
|
err = -1;
|
|
goto err_exit;
|
|
}
|
|
|
|
self->aq_nic_cfg.is_autoneg = false;
|
|
}
|
|
|
|
err = self->aq_hw_ops.hw_set_link_speed(self->aq_hw, rate);
|
|
if (err < 0)
|
|
goto err_exit;
|
|
|
|
self->aq_nic_cfg.link_speed_msk = rate;
|
|
|
|
err_exit:
|
|
return err;
|
|
}
|
|
|
|
struct aq_nic_cfg_s *aq_nic_get_cfg(struct aq_nic_s *self)
|
|
{
|
|
return &self->aq_nic_cfg;
|
|
}
|
|
|
|
u32 aq_nic_get_fw_version(struct aq_nic_s *self)
|
|
{
|
|
u32 fw_version = 0U;
|
|
|
|
self->aq_hw_ops.hw_get_fw_version(self->aq_hw, &fw_version);
|
|
|
|
return fw_version;
|
|
}
|
|
|
|
int aq_nic_stop(struct aq_nic_s *self)
|
|
{
|
|
struct aq_vec_s *aq_vec = NULL;
|
|
unsigned int i = 0U;
|
|
|
|
for (i = 0U, aq_vec = self->aq_vec[0];
|
|
self->aq_vecs > i; ++i, aq_vec = self->aq_vec[i])
|
|
aq_nic_ndev_queue_stop(self, i);
|
|
|
|
del_timer_sync(&self->service_timer);
|
|
|
|
self->aq_hw_ops.hw_irq_disable(self->aq_hw, AQ_CFG_IRQ_MASK);
|
|
|
|
if (self->aq_nic_cfg.is_polling)
|
|
del_timer_sync(&self->polling_timer);
|
|
else
|
|
aq_pci_func_free_irqs(self->aq_pci_func);
|
|
|
|
for (i = 0U, aq_vec = self->aq_vec[0];
|
|
self->aq_vecs > i; ++i, aq_vec = self->aq_vec[i])
|
|
aq_vec_stop(aq_vec);
|
|
|
|
return self->aq_hw_ops.hw_stop(self->aq_hw);
|
|
}
|
|
|
|
void aq_nic_deinit(struct aq_nic_s *self)
|
|
{
|
|
struct aq_vec_s *aq_vec = NULL;
|
|
unsigned int i = 0U;
|
|
|
|
if (!self)
|
|
goto err_exit;
|
|
|
|
for (i = 0U, aq_vec = self->aq_vec[0];
|
|
self->aq_vecs > i; ++i, aq_vec = self->aq_vec[i])
|
|
aq_vec_deinit(aq_vec);
|
|
|
|
if (self->power_state == AQ_HW_POWER_STATE_D0) {
|
|
(void)self->aq_hw_ops.hw_deinit(self->aq_hw);
|
|
} else {
|
|
(void)self->aq_hw_ops.hw_set_power(self->aq_hw,
|
|
self->power_state);
|
|
}
|
|
|
|
err_exit:;
|
|
}
|
|
|
|
void aq_nic_free_hot_resources(struct aq_nic_s *self)
|
|
{
|
|
unsigned int i = 0U;
|
|
|
|
if (!self)
|
|
goto err_exit;
|
|
|
|
for (i = AQ_DIMOF(self->aq_vec); i--;) {
|
|
if (self->aq_vec[i]) {
|
|
aq_vec_free(self->aq_vec[i]);
|
|
self->aq_vec[i] = NULL;
|
|
}
|
|
}
|
|
|
|
err_exit:;
|
|
}
|
|
|
|
int aq_nic_change_pm_state(struct aq_nic_s *self, pm_message_t *pm_msg)
|
|
{
|
|
int err = 0;
|
|
|
|
if (!netif_running(self->ndev)) {
|
|
err = 0;
|
|
goto out;
|
|
}
|
|
rtnl_lock();
|
|
if (pm_msg->event & PM_EVENT_SLEEP || pm_msg->event & PM_EVENT_FREEZE) {
|
|
self->power_state = AQ_HW_POWER_STATE_D3;
|
|
netif_device_detach(self->ndev);
|
|
netif_tx_stop_all_queues(self->ndev);
|
|
|
|
err = aq_nic_stop(self);
|
|
if (err < 0)
|
|
goto err_exit;
|
|
|
|
aq_nic_deinit(self);
|
|
} else {
|
|
err = aq_nic_init(self);
|
|
if (err < 0)
|
|
goto err_exit;
|
|
|
|
err = aq_nic_start(self);
|
|
if (err < 0)
|
|
goto err_exit;
|
|
|
|
netif_device_attach(self->ndev);
|
|
netif_tx_start_all_queues(self->ndev);
|
|
}
|
|
|
|
err_exit:
|
|
rtnl_unlock();
|
|
out:
|
|
return err;
|
|
}
|