Add the port management commands that are sent as management messages.
The port management commands are used for netdev operations.
Signed-off-by: Aviad Krawczyk <aviad.krawczyk@huawei.com>
Signed-off-by: Zhao Chen <zhaochen6@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
obj-$(CONFIG_HINIC) += hinic.o
-hinic-y := hinic_main.o hinic_hw_dev.o hinic_hw_mgmt.o hinic_hw_api_cmd.o \
- hinic_hw_eqs.o hinic_hw_if.o
+hinic-y := hinic_main.o hinic_port.o hinic_hw_dev.o hinic_hw_mgmt.o \
+ hinic_hw_api_cmd.o hinic_hw_eqs.o hinic_hw_if.o
#include <linux/netdevice.h>
#include <linux/types.h>
+#include <linux/semaphore.h>
#include "hinic_hw_dev.h"
struct hinic_hwdev *hwdev;
u32 msg_enable;
+
+ struct semaphore mgmt_lock;
+ unsigned long *vlan_bitmap;
};
#endif
pci_disable_msix(pdev);
}
+/**
+ * hinic_port_msg_cmd - send port msg to mgmt
+ * @hwdev: the NIC HW device
+ * @cmd: the port command
+ * @buf_in: input buffer
+ * @in_size: input size
+ * @buf_out: output buffer
+ * @out_size: returned output size
+ *
+ * Return 0 - Success, negative - Failure
+ **/
+int hinic_port_msg_cmd(struct hinic_hwdev *hwdev, enum hinic_port_cmd cmd,
+ void *buf_in, u16 in_size, void *buf_out, u16 *out_size)
+{
+ struct hinic_hwif *hwif = hwdev->hwif;
+ struct pci_dev *pdev = hwif->pdev;
+ struct hinic_pfhwdev *pfhwdev;
+
+ if (!HINIC_IS_PF(hwif) && !HINIC_IS_PPF(hwif)) {
+ dev_err(&pdev->dev, "unsupported PCI Function type\n");
+ return -EINVAL;
+ }
+
+ pfhwdev = container_of(hwdev, struct hinic_pfhwdev, hwdev);
+
+ return hinic_msg_to_mgmt(&pfhwdev->pf_to_mgmt, HINIC_MOD_L2NIC, cmd,
+ buf_in, in_size, buf_out, out_size,
+ HINIC_MGMT_MSG_SYNC);
+}
+
/**
* init_pfhwdev - Initialize the extended components of PF
* @pfhwdev: the HW device for PF
u16 num_qps;
};
+enum hinic_port_cmd {
+ HINIC_PORT_CMD_CHANGE_MTU = 2,
+
+ HINIC_PORT_CMD_ADD_VLAN = 3,
+ HINIC_PORT_CMD_DEL_VLAN = 4,
+
+ HINIC_PORT_CMD_SET_MAC = 9,
+ HINIC_PORT_CMD_GET_MAC = 10,
+ HINIC_PORT_CMD_DEL_MAC = 11,
+
+ HINIC_PORT_CMD_SET_RX_MODE = 12,
+
+ HINIC_PORT_CMD_GET_LINK_STATE = 24,
+
+ HINIC_PORT_CMD_SET_PORT_STATE = 41,
+
+ HINIC_PORT_CMD_FWCTXT_INIT = 69,
+
+ HINIC_PORT_CMD_SET_FUNC_STATE = 93,
+
+ HINIC_PORT_CMD_GET_GLOBAL_QPN = 102,
+
+ HINIC_PORT_CMD_GET_CAP = 170,
+};
+
struct hinic_hwdev {
struct hinic_hwif *hwif;
struct msix_entry *msix_entries;
struct hinic_pf_to_mgmt pf_to_mgmt;
};
+int hinic_port_msg_cmd(struct hinic_hwdev *hwdev, enum hinic_port_cmd cmd,
+ void *buf_in, u16 in_size, void *buf_out,
+ u16 *out_size);
+
struct hinic_hwdev *hinic_init_hwdev(struct pci_dev *pdev);
void hinic_free_hwdev(struct hinic_hwdev *hwdev);
*
*/
+#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/device.h>
#include <linux/types.h>
#include <linux/etherdevice.h>
#include <linux/netdevice.h>
+#include <linux/slab.h>
+#include <linux/if_vlan.h>
+#include <linux/semaphore.h>
+#include <net/ip.h>
+#include <linux/bitops.h>
+#include <linux/bitmap.h>
#include <linux/err.h>
#include "hinic_hw_dev.h"
+#include "hinic_port.h"
#include "hinic_dev.h"
MODULE_AUTHOR("Huawei Technologies CO., Ltd");
NETIF_MSG_IFUP | \
NETIF_MSG_TX_ERR | NETIF_MSG_RX_ERR)
+#define VLAN_BITMAP_SIZE(nic_dev) (ALIGN(VLAN_N_VID, 8) / 8)
+
+static int hinic_change_mtu(struct net_device *netdev, int new_mtu)
+{
+ struct hinic_dev *nic_dev = netdev_priv(netdev);
+ int err;
+
+ netif_info(nic_dev, drv, netdev, "set_mtu = %d\n", new_mtu);
+
+ err = hinic_port_set_mtu(nic_dev, new_mtu);
+ if (err)
+ netif_err(nic_dev, drv, netdev, "Failed to set port mtu\n");
+ else
+ netdev->mtu = new_mtu;
+
+ return err;
+}
+
+/**
+ * change_mac_addr - change the main mac address of network device
+ * @netdev: network device
+ * @addr: mac address to set
+ *
+ * Return 0 - Success, negative - Failure
+ **/
+static int change_mac_addr(struct net_device *netdev, const u8 *addr)
+{
+ struct hinic_dev *nic_dev = netdev_priv(netdev);
+ u16 vid = 0;
+ int err;
+
+ if (!is_valid_ether_addr(addr))
+ return -EADDRNOTAVAIL;
+
+ netif_info(nic_dev, drv, netdev, "change mac addr = %02x %02x %02x %02x %02x %02x\n",
+ addr[0], addr[1], addr[2], addr[3], addr[4], addr[5]);
+
+ down(&nic_dev->mgmt_lock);
+
+ do {
+ err = hinic_port_del_mac(nic_dev, netdev->dev_addr, vid);
+ if (err) {
+ netif_err(nic_dev, drv, netdev,
+ "Failed to delete mac\n");
+ break;
+ }
+
+ err = hinic_port_add_mac(nic_dev, addr, vid);
+ if (err) {
+ netif_err(nic_dev, drv, netdev, "Failed to add mac\n");
+ break;
+ }
+
+ vid = find_next_bit(nic_dev->vlan_bitmap, VLAN_N_VID, vid + 1);
+ } while (vid != VLAN_N_VID);
+
+ up(&nic_dev->mgmt_lock);
+ return err;
+}
+
+static int hinic_set_mac_addr(struct net_device *netdev, void *addr)
+{
+ unsigned char new_mac[ETH_ALEN];
+ struct sockaddr *saddr = addr;
+ int err;
+
+ memcpy(new_mac, saddr->sa_data, ETH_ALEN);
+
+ err = change_mac_addr(netdev, new_mac);
+ if (!err)
+ memcpy(netdev->dev_addr, new_mac, ETH_ALEN);
+
+ return err;
+}
+
+static int hinic_vlan_rx_add_vid(struct net_device *netdev,
+ __always_unused __be16 proto, u16 vid)
+{
+ struct hinic_dev *nic_dev = netdev_priv(netdev);
+ int ret, err;
+
+ netif_info(nic_dev, drv, netdev, "add vid = %d\n", vid);
+
+ down(&nic_dev->mgmt_lock);
+
+ err = hinic_port_add_vlan(nic_dev, vid);
+ if (err) {
+ netif_err(nic_dev, drv, netdev, "Failed to add vlan\n");
+ goto err_vlan_add;
+ }
+
+ err = hinic_port_add_mac(nic_dev, netdev->dev_addr, vid);
+ if (err) {
+ netif_err(nic_dev, drv, netdev, "Failed to set mac\n");
+ goto err_add_mac;
+ }
+
+ bitmap_set(nic_dev->vlan_bitmap, vid, 1);
+
+ up(&nic_dev->mgmt_lock);
+ return 0;
+
+err_add_mac:
+ ret = hinic_port_del_vlan(nic_dev, vid);
+ if (ret)
+ netif_err(nic_dev, drv, netdev,
+ "Failed to revert by removing vlan\n");
+
+err_vlan_add:
+ up(&nic_dev->mgmt_lock);
+ return err;
+}
+
+static int hinic_vlan_rx_kill_vid(struct net_device *netdev,
+ __always_unused __be16 proto, u16 vid)
+{
+ struct hinic_dev *nic_dev = netdev_priv(netdev);
+ int err;
+
+ netif_info(nic_dev, drv, netdev, "remove vid = %d\n", vid);
+
+ down(&nic_dev->mgmt_lock);
+
+ err = hinic_port_del_vlan(nic_dev, vid);
+ if (err) {
+ netif_err(nic_dev, drv, netdev, "Failed to delete vlan\n");
+ goto err_del_vlan;
+ }
+
+ bitmap_clear(nic_dev->vlan_bitmap, vid, 1);
+
+ up(&nic_dev->mgmt_lock);
+ return 0;
+
+err_del_vlan:
+ up(&nic_dev->mgmt_lock);
+ return err;
+}
+
static const struct net_device_ops hinic_netdev_ops = {
- /* Operations are empty, should be filled */
+ .ndo_change_mtu = hinic_change_mtu,
+ .ndo_set_mac_address = hinic_set_mac_addr,
+ .ndo_validate_addr = eth_validate_addr,
+ .ndo_vlan_rx_add_vid = hinic_vlan_rx_add_vid,
+ .ndo_vlan_rx_kill_vid = hinic_vlan_rx_kill_vid,
+ /* more operations should be filled */
};
+static void netdev_features_init(struct net_device *netdev)
+{
+ netdev->hw_features = NETIF_F_SG | NETIF_F_HIGHDMA;
+
+ netdev->vlan_features = netdev->hw_features;
+
+ netdev->features = netdev->hw_features | NETIF_F_HW_VLAN_CTAG_FILTER;
+}
+
/**
* nic_dev_init - Initialize the NIC device
* @pdev: the NIC pci device
nic_dev->hwdev = hwdev;
nic_dev->msg_enable = MSG_ENABLE_DEFAULT;
+ sema_init(&nic_dev->mgmt_lock, 1);
+
+ nic_dev->vlan_bitmap = devm_kzalloc(&pdev->dev,
+ VLAN_BITMAP_SIZE(nic_dev),
+ GFP_KERNEL);
+ if (!nic_dev->vlan_bitmap) {
+ err = -ENOMEM;
+ goto err_vlan_bitmap;
+ }
+
pci_set_drvdata(pdev, netdev);
+ err = hinic_port_get_mac(nic_dev, netdev->dev_addr);
+ if (err)
+ dev_warn(&pdev->dev, "Failed to get mac address\n");
+
+ err = hinic_port_add_mac(nic_dev, netdev->dev_addr, 0);
+ if (err) {
+ dev_err(&pdev->dev, "Failed to add mac\n");
+ goto err_add_mac;
+ }
+
+ err = hinic_port_set_mtu(nic_dev, netdev->mtu);
+ if (err) {
+ dev_err(&pdev->dev, "Failed to set mtu\n");
+ goto err_set_mtu;
+ }
+
+ netdev_features_init(netdev);
+
netif_carrier_off(netdev);
err = register_netdev(netdev);
return 0;
err_reg_netdev:
+err_set_mtu:
+err_add_mac:
pci_set_drvdata(pdev, NULL);
+
+err_vlan_bitmap:
free_netdev(netdev);
err_alloc_etherdev:
--- /dev/null
+/*
+ * Huawei HiNIC PCI Express Linux driver
+ * Copyright(c) 2017 Huawei Technologies Co., Ltd
+ *
+ * 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.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ *
+ */
+
+#include <linux/types.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/if_vlan.h>
+#include <linux/pci.h>
+#include <linux/device.h>
+#include <linux/errno.h>
+
+#include "hinic_hw_if.h"
+#include "hinic_hw_dev.h"
+#include "hinic_port.h"
+#include "hinic_dev.h"
+
+#define HINIC_MIN_MTU_SIZE 256
+#define HINIC_MAX_JUMBO_FRAME_SIZE 15872
+
+enum mac_op {
+ MAC_DEL,
+ MAC_SET,
+};
+
+/**
+ * change_mac - change(add or delete) mac address
+ * @nic_dev: nic device
+ * @addr: mac address
+ * @vlan_id: vlan number to set with the mac
+ * @op: add or delete the mac
+ *
+ * Return 0 - Success, negative - Failure
+ **/
+static int change_mac(struct hinic_dev *nic_dev, const u8 *addr,
+ u16 vlan_id, enum mac_op op)
+{
+ struct net_device *netdev = nic_dev->netdev;
+ struct hinic_hwdev *hwdev = nic_dev->hwdev;
+ struct hinic_port_mac_cmd port_mac_cmd;
+ struct hinic_hwif *hwif = hwdev->hwif;
+ struct pci_dev *pdev = hwif->pdev;
+ enum hinic_port_cmd cmd;
+ u16 out_size;
+ int err;
+
+ if (vlan_id >= VLAN_N_VID) {
+ netif_err(nic_dev, drv, netdev, "Invalid VLAN number\n");
+ return -EINVAL;
+ }
+
+ if (op == MAC_SET)
+ cmd = HINIC_PORT_CMD_SET_MAC;
+ else
+ cmd = HINIC_PORT_CMD_DEL_MAC;
+
+ port_mac_cmd.func_idx = HINIC_HWIF_FUNC_IDX(hwif);
+ port_mac_cmd.vlan_id = vlan_id;
+ memcpy(port_mac_cmd.mac, addr, ETH_ALEN);
+
+ err = hinic_port_msg_cmd(hwdev, cmd, &port_mac_cmd,
+ sizeof(port_mac_cmd),
+ &port_mac_cmd, &out_size);
+ if (err || (out_size != sizeof(port_mac_cmd)) || port_mac_cmd.status) {
+ dev_err(&pdev->dev, "Failed to change MAC, ret = %d\n",
+ port_mac_cmd.status);
+ return -EFAULT;
+ }
+
+ return 0;
+}
+
+/**
+ * hinic_port_add_mac - add mac address
+ * @nic_dev: nic device
+ * @addr: mac address
+ * @vlan_id: vlan number to set with the mac
+ *
+ * Return 0 - Success, negative - Failure
+ **/
+int hinic_port_add_mac(struct hinic_dev *nic_dev,
+ const u8 *addr, u16 vlan_id)
+{
+ return change_mac(nic_dev, addr, vlan_id, MAC_SET);
+}
+
+/**
+ * hinic_port_del_mac - remove mac address
+ * @nic_dev: nic device
+ * @addr: mac address
+ * @vlan_id: vlan number that is connected to the mac
+ *
+ * Return 0 - Success, negative - Failure
+ **/
+int hinic_port_del_mac(struct hinic_dev *nic_dev, const u8 *addr,
+ u16 vlan_id)
+{
+ return change_mac(nic_dev, addr, vlan_id, MAC_DEL);
+}
+
+/**
+ * hinic_port_get_mac - get the mac address of the nic device
+ * @nic_dev: nic device
+ * @addr: returned mac address
+ *
+ * Return 0 - Success, negative - Failure
+ **/
+int hinic_port_get_mac(struct hinic_dev *nic_dev, u8 *addr)
+{
+ struct hinic_hwdev *hwdev = nic_dev->hwdev;
+ struct hinic_port_mac_cmd port_mac_cmd;
+ struct hinic_hwif *hwif = hwdev->hwif;
+ struct pci_dev *pdev = hwif->pdev;
+ u16 out_size;
+ int err;
+
+ port_mac_cmd.func_idx = HINIC_HWIF_FUNC_IDX(hwif);
+
+ err = hinic_port_msg_cmd(hwdev, HINIC_PORT_CMD_GET_MAC,
+ &port_mac_cmd, sizeof(port_mac_cmd),
+ &port_mac_cmd, &out_size);
+ if (err || (out_size != sizeof(port_mac_cmd)) || port_mac_cmd.status) {
+ dev_err(&pdev->dev, "Failed to get mac, ret = %d\n",
+ port_mac_cmd.status);
+ return -EFAULT;
+ }
+
+ memcpy(addr, port_mac_cmd.mac, ETH_ALEN);
+ return 0;
+}
+
+/**
+ * hinic_port_set_mtu - set mtu
+ * @nic_dev: nic device
+ * @new_mtu: new mtu
+ *
+ * Return 0 - Success, negative - Failure
+ **/
+int hinic_port_set_mtu(struct hinic_dev *nic_dev, int new_mtu)
+{
+ struct net_device *netdev = nic_dev->netdev;
+ struct hinic_hwdev *hwdev = nic_dev->hwdev;
+ struct hinic_port_mtu_cmd port_mtu_cmd;
+ struct hinic_hwif *hwif = hwdev->hwif;
+ struct pci_dev *pdev = hwif->pdev;
+ int err, max_frame;
+ u16 out_size;
+
+ if (new_mtu < HINIC_MIN_MTU_SIZE) {
+ netif_err(nic_dev, drv, netdev, "mtu < MIN MTU size");
+ return -EINVAL;
+ }
+
+ max_frame = new_mtu + ETH_HLEN + ETH_FCS_LEN;
+ if (max_frame > HINIC_MAX_JUMBO_FRAME_SIZE) {
+ netif_err(nic_dev, drv, netdev, "mtu > MAX MTU size");
+ return -EINVAL;
+ }
+
+ port_mtu_cmd.func_idx = HINIC_HWIF_FUNC_IDX(hwif);
+ port_mtu_cmd.mtu = new_mtu;
+
+ err = hinic_port_msg_cmd(hwdev, HINIC_PORT_CMD_CHANGE_MTU,
+ &port_mtu_cmd, sizeof(port_mtu_cmd),
+ &port_mtu_cmd, &out_size);
+ if (err || (out_size != sizeof(port_mtu_cmd)) || port_mtu_cmd.status) {
+ dev_err(&pdev->dev, "Failed to set mtu, ret = %d\n",
+ port_mtu_cmd.status);
+ return -EFAULT;
+ }
+
+ return 0;
+}
+
+/**
+ * hinic_port_add_vlan - add vlan to the nic device
+ * @nic_dev: nic device
+ * @vlan_id: the vlan number to add
+ *
+ * Return 0 - Success, negative - Failure
+ **/
+int hinic_port_add_vlan(struct hinic_dev *nic_dev, u16 vlan_id)
+{
+ struct hinic_hwdev *hwdev = nic_dev->hwdev;
+ struct hinic_port_vlan_cmd port_vlan_cmd;
+
+ port_vlan_cmd.func_idx = HINIC_HWIF_FUNC_IDX(hwdev->hwif);
+ port_vlan_cmd.vlan_id = vlan_id;
+
+ return hinic_port_msg_cmd(hwdev, HINIC_PORT_CMD_ADD_VLAN,
+ &port_vlan_cmd, sizeof(port_vlan_cmd),
+ NULL, NULL);
+}
+
+/**
+ * hinic_port_del_vlan - delete vlan from the nic device
+ * @nic_dev: nic device
+ * @vlan_id: the vlan number to delete
+ *
+ * Return 0 - Success, negative - Failure
+ **/
+int hinic_port_del_vlan(struct hinic_dev *nic_dev, u16 vlan_id)
+{
+ struct hinic_hwdev *hwdev = nic_dev->hwdev;
+ struct hinic_port_vlan_cmd port_vlan_cmd;
+
+ port_vlan_cmd.func_idx = HINIC_HWIF_FUNC_IDX(hwdev->hwif);
+ port_vlan_cmd.vlan_id = vlan_id;
+
+ return hinic_port_msg_cmd(hwdev, HINIC_PORT_CMD_DEL_VLAN,
+ &port_vlan_cmd, sizeof(port_vlan_cmd),
+ NULL, NULL);
+}
--- /dev/null
+/*
+ * Huawei HiNIC PCI Express Linux driver
+ * Copyright(c) 2017 Huawei Technologies Co., Ltd
+ *
+ * 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.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ *
+ */
+
+#ifndef HINIC_PORT_H
+#define HINIC_PORT_H
+
+#include <linux/types.h>
+#include <linux/etherdevice.h>
+
+#include "hinic_dev.h"
+
+struct hinic_port_mac_cmd {
+ u8 status;
+ u8 version;
+ u8 rsvd0[6];
+
+ u16 func_idx;
+ u16 vlan_id;
+ u16 rsvd1;
+ unsigned char mac[ETH_ALEN];
+};
+
+struct hinic_port_mtu_cmd {
+ u8 status;
+ u8 version;
+ u8 rsvd0[6];
+
+ u16 func_idx;
+ u16 rsvd1;
+ u32 mtu;
+};
+
+struct hinic_port_vlan_cmd {
+ u8 status;
+ u8 version;
+ u8 rsvd0[6];
+
+ u16 func_idx;
+ u16 vlan_id;
+};
+
+int hinic_port_add_mac(struct hinic_dev *nic_dev, const u8 *addr,
+ u16 vlan_id);
+
+int hinic_port_del_mac(struct hinic_dev *nic_dev, const u8 *addr,
+ u16 vlan_id);
+
+int hinic_port_get_mac(struct hinic_dev *nic_dev, u8 *addr);
+
+int hinic_port_set_mtu(struct hinic_dev *nic_dev, int new_mtu);
+
+int hinic_port_add_vlan(struct hinic_dev *nic_dev, u16 vlan_id);
+
+int hinic_port_del_vlan(struct hinic_dev *nic_dev, u16 vlan_id);
+
+#endif
projects / GitHub / moto-9609 / android_kernel_motorola_exynos9610.git / commitdiff