diff options
Diffstat (limited to 'drivers/net/ethernet/huawei/hinic')
| -rw-r--r-- | drivers/net/ethernet/huawei/hinic/Makefile | 4 | ||||
| -rw-r--r-- | drivers/net/ethernet/huawei/hinic/hinic_dev.h | 4 | ||||
| -rw-r--r-- | drivers/net/ethernet/huawei/hinic/hinic_hw_dev.c | 30 | ||||
| -rw-r--r-- | drivers/net/ethernet/huawei/hinic/hinic_hw_dev.h | 29 | ||||
| -rw-r--r-- | drivers/net/ethernet/huawei/hinic/hinic_main.c | 195 | ||||
| -rw-r--r-- | drivers/net/ethernet/huawei/hinic/hinic_port.c | 224 | ||||
| -rw-r--r-- | drivers/net/ethernet/huawei/hinic/hinic_port.h | 68 |
7 files changed, 551 insertions, 3 deletions
diff --git a/drivers/net/ethernet/huawei/hinic/Makefile b/drivers/net/ethernet/huawei/hinic/Makefile index beba90a6dc96..dbb1b9dbaa59 100644 --- a/drivers/net/ethernet/huawei/hinic/Makefile +++ b/drivers/net/ethernet/huawei/hinic/Makefile @@ -1,4 +1,4 @@ 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 diff --git a/drivers/net/ethernet/huawei/hinic/hinic_dev.h b/drivers/net/ethernet/huawei/hinic/hinic_dev.h index 6c2c896015a5..e54a45cd5bbe 100644 --- a/drivers/net/ethernet/huawei/hinic/hinic_dev.h +++ b/drivers/net/ethernet/huawei/hinic/hinic_dev.h @@ -18,6 +18,7 @@ #include <linux/netdevice.h> #include <linux/types.h> +#include <linux/semaphore.h> #include "hinic_hw_dev.h" @@ -28,6 +29,9 @@ struct hinic_dev { struct hinic_hwdev *hwdev; u32 msg_enable; + + struct semaphore mgmt_lock; + unsigned long *vlan_bitmap; }; #endif diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_dev.c b/drivers/net/ethernet/huawei/hinic/hinic_hw_dev.c index d430e60192af..6bb6c3313fc3 100644 --- a/drivers/net/ethernet/huawei/hinic/hinic_hw_dev.c +++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_dev.c @@ -200,6 +200,36 @@ static void disable_msix(struct hinic_hwdev *hwdev) } /** + * 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 * diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_dev.h b/drivers/net/ethernet/huawei/hinic/hinic_hw_dev.h index feb601388e59..ee9e76ada303 100644 --- a/drivers/net/ethernet/huawei/hinic/hinic_hw_dev.h +++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_dev.h @@ -30,6 +30,31 @@ struct hinic_cap { 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; @@ -45,6 +70,10 @@ struct hinic_pfhwdev { 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); diff --git a/drivers/net/ethernet/huawei/hinic/hinic_main.c b/drivers/net/ethernet/huawei/hinic/hinic_main.c index 1d7aed07b25f..772e4e6e68af 100644 --- a/drivers/net/ethernet/huawei/hinic/hinic_main.c +++ b/drivers/net/ethernet/huawei/hinic/hinic_main.c @@ -13,6 +13,7 @@ * */ +#include <linux/kernel.h> #include <linux/module.h> #include <linux/pci.h> #include <linux/device.h> @@ -20,9 +21,16 @@ #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"); @@ -35,10 +43,163 @@ MODULE_LICENSE("GPL"); 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 @@ -79,8 +240,36 @@ static int nic_dev_init(struct pci_dev *pdev) 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); @@ -92,7 +281,11 @@ static int nic_dev_init(struct pci_dev *pdev) 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: diff --git a/drivers/net/ethernet/huawei/hinic/hinic_port.c b/drivers/net/ethernet/huawei/hinic/hinic_port.c new file mode 100644 index 000000000000..5b249e8121bd --- /dev/null +++ b/drivers/net/ethernet/huawei/hinic/hinic_port.c @@ -0,0 +1,224 @@ +/* + * 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); +} diff --git a/drivers/net/ethernet/huawei/hinic/hinic_port.h b/drivers/net/ethernet/huawei/hinic/hinic_port.h new file mode 100644 index 000000000000..4cafb9448ea8 --- /dev/null +++ b/drivers/net/ethernet/huawei/hinic/hinic_port.h @@ -0,0 +1,68 @@ +/* + * 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 |