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https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
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17fcb3dc12
This is [1/3] part of hinic3 Ethernet driver initial submission. With this patch hinic3 is a valid kernel module but non-functional driver. The driver parts contained in this patch: Module initialization. PCI driver registration but with empty id_table. Auxiliary driver registration. Net device_ops registration but open/stop are empty stubs. tx/rx logic. All major data structures of the driver are fully introduced with the code that uses them but without their initialization code that requires management interface with the hw. Co-developed-by: Xin Guo <guoxin09@huawei.com> Signed-off-by: Xin Guo <guoxin09@huawei.com> Signed-off-by: Fan Gong <gongfan1@huawei.com> Co-developed-by: Gur Stavi <gur.stavi@huawei.com> Signed-off-by: Gur Stavi <gur.stavi@huawei.com> Link: https://patch.msgid.link/76a137ffdfe115c737c2c224f0c93b60ba53cc16.1747736586.git.gur.stavi@huawei.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
79 lines
1.8 KiB
C
79 lines
1.8 KiB
C
// SPDX-License-Identifier: GPL-2.0
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// Copyright (c) Huawei Technologies Co., Ltd. 2025. All rights reserved.
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#include <linux/etherdevice.h>
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#include <linux/netdevice.h>
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#include "hinic3_hwif.h"
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#include "hinic3_nic_cfg.h"
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#include "hinic3_nic_dev.h"
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#include "hinic3_nic_io.h"
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#include "hinic3_rx.h"
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#include "hinic3_tx.h"
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static int hinic3_open(struct net_device *netdev)
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{
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/* Completed by later submission due to LoC limit. */
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return -EFAULT;
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}
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static int hinic3_close(struct net_device *netdev)
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{
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/* Completed by later submission due to LoC limit. */
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return -EFAULT;
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}
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static int hinic3_change_mtu(struct net_device *netdev, int new_mtu)
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{
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int err;
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err = hinic3_set_port_mtu(netdev, new_mtu);
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if (err) {
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netdev_err(netdev, "Failed to change port mtu to %d\n",
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new_mtu);
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return err;
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}
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netdev_dbg(netdev, "Change mtu from %u to %d\n", netdev->mtu, new_mtu);
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WRITE_ONCE(netdev->mtu, new_mtu);
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return 0;
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}
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static int hinic3_set_mac_addr(struct net_device *netdev, void *addr)
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{
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struct hinic3_nic_dev *nic_dev = netdev_priv(netdev);
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struct sockaddr *saddr = addr;
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int err;
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if (!is_valid_ether_addr(saddr->sa_data))
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return -EADDRNOTAVAIL;
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if (ether_addr_equal(netdev->dev_addr, saddr->sa_data))
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return 0;
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err = hinic3_update_mac(nic_dev->hwdev, netdev->dev_addr,
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saddr->sa_data, 0,
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hinic3_global_func_id(nic_dev->hwdev));
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if (err)
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return err;
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eth_hw_addr_set(netdev, saddr->sa_data);
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return 0;
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}
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static const struct net_device_ops hinic3_netdev_ops = {
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.ndo_open = hinic3_open,
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.ndo_stop = hinic3_close,
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.ndo_change_mtu = hinic3_change_mtu,
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.ndo_set_mac_address = hinic3_set_mac_addr,
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.ndo_start_xmit = hinic3_xmit_frame,
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};
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void hinic3_set_netdev_ops(struct net_device *netdev)
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{
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netdev->netdev_ops = &hinic3_netdev_ops;
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}
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