155 lines
3.2 KiB
C
155 lines
3.2 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_main.c: Main file for aQuantia Linux driver. */
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#include "aq_main.h"
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#include "aq_nic.h"
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#include "aq_pci_func.h"
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#include "aq_ethtool.h"
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#include <linux/netdevice.h>
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#include <linux/module.h>
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MODULE_LICENSE("GPL v2");
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MODULE_VERSION(AQ_CFG_DRV_VERSION);
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MODULE_AUTHOR(AQ_CFG_DRV_AUTHOR);
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MODULE_DESCRIPTION(AQ_CFG_DRV_DESC);
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static const struct net_device_ops aq_ndev_ops;
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struct net_device *aq_ndev_alloc(void)
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{
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struct net_device *ndev = NULL;
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struct aq_nic_s *aq_nic = NULL;
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ndev = alloc_etherdev_mq(sizeof(struct aq_nic_s), AQ_CFG_VECS_MAX);
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if (!ndev)
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return NULL;
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aq_nic = netdev_priv(ndev);
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aq_nic->ndev = ndev;
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ndev->netdev_ops = &aq_ndev_ops;
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ndev->ethtool_ops = &aq_ethtool_ops;
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return ndev;
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}
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static int aq_ndev_open(struct net_device *ndev)
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{
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int err = 0;
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struct aq_nic_s *aq_nic = netdev_priv(ndev);
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err = aq_nic_init(aq_nic);
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if (err < 0)
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goto err_exit;
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err = aq_nic_start(aq_nic);
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if (err < 0) {
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aq_nic_stop(aq_nic);
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goto err_exit;
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}
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err_exit:
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if (err < 0)
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aq_nic_deinit(aq_nic);
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return err;
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}
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static int aq_ndev_close(struct net_device *ndev)
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{
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int err = 0;
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struct aq_nic_s *aq_nic = netdev_priv(ndev);
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err = aq_nic_stop(aq_nic);
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if (err < 0)
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goto err_exit;
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aq_nic_deinit(aq_nic);
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err_exit:
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return err;
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}
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static int aq_ndev_start_xmit(struct sk_buff *skb, struct net_device *ndev)
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{
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struct aq_nic_s *aq_nic = netdev_priv(ndev);
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return aq_nic_xmit(aq_nic, skb);
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}
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static int aq_ndev_change_mtu(struct net_device *ndev, int new_mtu)
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{
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struct aq_nic_s *aq_nic = netdev_priv(ndev);
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int err = aq_nic_set_mtu(aq_nic, new_mtu + ETH_HLEN);
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if (err < 0)
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goto err_exit;
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ndev->mtu = new_mtu;
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err_exit:
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return err;
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}
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static int aq_ndev_set_features(struct net_device *ndev,
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netdev_features_t features)
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{
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struct aq_nic_s *aq_nic = netdev_priv(ndev);
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struct aq_nic_cfg_s *aq_cfg = aq_nic_get_cfg(aq_nic);
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bool is_lro = false;
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if (aq_cfg->hw_features & NETIF_F_LRO) {
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is_lro = features & NETIF_F_LRO;
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if (aq_cfg->is_lro != is_lro) {
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aq_cfg->is_lro = is_lro;
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if (netif_running(ndev)) {
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aq_ndev_close(ndev);
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aq_ndev_open(ndev);
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}
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}
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}
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return 0;
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}
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static int aq_ndev_set_mac_address(struct net_device *ndev, void *addr)
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{
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struct aq_nic_s *aq_nic = netdev_priv(ndev);
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int err = 0;
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err = eth_mac_addr(ndev, addr);
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if (err < 0)
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goto err_exit;
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err = aq_nic_set_mac(aq_nic, 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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static void aq_ndev_set_multicast_settings(struct net_device *ndev)
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{
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struct aq_nic_s *aq_nic = netdev_priv(ndev);
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aq_nic_set_packet_filter(aq_nic, ndev->flags);
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aq_nic_set_multicast_list(aq_nic, ndev);
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}
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static const struct net_device_ops aq_ndev_ops = {
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.ndo_open = aq_ndev_open,
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.ndo_stop = aq_ndev_close,
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.ndo_start_xmit = aq_ndev_start_xmit,
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.ndo_set_rx_mode = aq_ndev_set_multicast_settings,
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.ndo_change_mtu = aq_ndev_change_mtu,
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.ndo_set_mac_address = aq_ndev_set_mac_address,
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.ndo_set_features = aq_ndev_set_features
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};
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