/**
* 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_link_state - get the link state
* @nic_dev: nic device
* @link_state: the returned link state
*
* Return 0 - Success, negative - Failure
**/
int hinic_port_link_state(struct hinic_dev *nic_dev,
enum hinic_port_link_state *link_state)
{
struct hinic_hwdev *hwdev = nic_dev->hwdev;
struct hinic_hwif *hwif = hwdev->hwif;
struct hinic_port_link_cmd link_cmd;
struct pci_dev *pdev = hwif->pdev;
u16 out_size;
int err;
if (!HINIC_IS_PF(hwif) && !HINIC_IS_PPF(hwif)) {
dev_err(&pdev->dev, "unsupported PCI Function type\n");
return -EINVAL;
}
link_cmd.func_idx = HINIC_HWIF_FUNC_IDX(hwif);
err = hinic_port_msg_cmd(hwdev, HINIC_PORT_CMD_GET_LINK_STATE,
&link_cmd, sizeof(link_cmd),
&link_cmd, &out_size);
if (err || (out_size != sizeof(link_cmd)) || link_cmd.status) {
dev_err(&pdev->dev, "Failed to get link state, ret = %d\n",
link_cmd.status);
return -EINVAL;
}
*link_state = link_cmd.state;
return 0;
}
/**
* cmdq_init_queue_ctxt - init the queue ctxt of a cmdq
* @cmdq_ctxt: cmdq ctxt to initialize
* @cmdq: the cmdq
* @cmdq_pages: the memory of the queue
**/
static void cmdq_init_queue_ctxt(struct hinic_cmdq_ctxt *cmdq_ctxt,
struct hinic_cmdq *cmdq,
struct hinic_cmdq_pages *cmdq_pages)
{
struct hinic_cmdq_ctxt_info *ctxt_info = &cmdq_ctxt->ctxt_info;
u64 wq_first_page_paddr, cmdq_first_block_paddr, pfn;
struct hinic_cmdqs *cmdqs = cmdq_to_cmdqs(cmdq);
struct hinic_wq *wq = cmdq->wq;
/* The data in the HW is in Big Endian Format */
wq_first_page_paddr = be64_to_cpu(*wq->block_vaddr);
pfn = CMDQ_PFN(wq_first_page_paddr, wq->wq_page_size);
ctxt_info->curr_wqe_page_pfn =
HINIC_CMDQ_CTXT_PAGE_INFO_SET(pfn, CURR_WQE_PAGE_PFN) |
HINIC_CMDQ_CTXT_PAGE_INFO_SET(HINIC_CEQ_ID_CMDQ, EQ_ID) |
HINIC_CMDQ_CTXT_PAGE_INFO_SET(1, CEQ_ARM) |
HINIC_CMDQ_CTXT_PAGE_INFO_SET(1, CEQ_EN) |
HINIC_CMDQ_CTXT_PAGE_INFO_SET(cmdq->wrapped, WRAPPED);
/* block PFN - Read Modify Write */
cmdq_first_block_paddr = cmdq_pages->page_paddr;
pfn = CMDQ_PFN(cmdq_first_block_paddr, wq->wq_page_size);
ctxt_info->wq_block_pfn =
HINIC_CMDQ_CTXT_BLOCK_INFO_SET(pfn, WQ_BLOCK_PFN) |
HINIC_CMDQ_CTXT_BLOCK_INFO_SET(atomic_read(&wq->cons_idx), CI);
cmdq_ctxt->func_idx = HINIC_HWIF_FUNC_IDX(cmdqs->hwif);
cmdq_ctxt->cmdq_type = cmdq->cmdq_type;
}
/**
* hinic_port_set_rx_mode - set rx mode in the nic device
* @nic_dev: nic device
* @rx_mode: the rx mode to set
*
* Return 0 - Success, negative - Failure
**/
int hinic_port_set_rx_mode(struct hinic_dev *nic_dev, u32 rx_mode)
{
struct hinic_hwdev *hwdev = nic_dev->hwdev;
struct hinic_port_rx_mode_cmd rx_mode_cmd;
rx_mode_cmd.func_idx = HINIC_HWIF_FUNC_IDX(hwdev->hwif);
rx_mode_cmd.rx_mode = rx_mode;
return hinic_port_msg_cmd(hwdev, HINIC_PORT_CMD_SET_RX_MODE,
&rx_mode_cmd, sizeof(rx_mode_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);
}
/**
* set_ppf - try to set hwif as ppf and set the type of hwif in this case
* @hwif: the HW interface of a pci function device
**/
static void set_ppf(struct hinic_hwif *hwif)
{
struct hinic_func_attr *attr = &hwif->attr;
u32 addr, val, ppf_election;
/* Read Modify Write */
addr = HINIC_CSR_PPF_ELECTION_ADDR(HINIC_HWIF_PCI_INTF(hwif));
val = hinic_hwif_read_reg(hwif, addr);
val = HINIC_PPF_ELECTION_CLEAR(val, IDX);
ppf_election = HINIC_PPF_ELECTION_SET(HINIC_HWIF_FUNC_IDX(hwif), IDX);
val |= ppf_election;
hinic_hwif_write_reg(hwif, addr, val);
/* check PPF */
val = hinic_hwif_read_reg(hwif, addr);
attr->ppf_idx = HINIC_PPF_ELECTION_GET(val, IDX);
if (attr->ppf_idx == HINIC_HWIF_FUNC_IDX(hwif))
attr->func_type = HINIC_PPF;
}
/**
* hinic_port_get_cap - get port capabilities
* @nic_dev: nic device
* @port_cap: returned port capabilities
*
* Return 0 - Success, negative - Failure
**/
int hinic_port_get_cap(struct hinic_dev *nic_dev,
struct hinic_port_cap *port_cap)
{
struct hinic_hwdev *hwdev = nic_dev->hwdev;
struct hinic_hwif *hwif = hwdev->hwif;
struct pci_dev *pdev = hwif->pdev;
u16 out_size;
int err;
port_cap->func_idx = HINIC_HWIF_FUNC_IDX(hwif);
err = hinic_port_msg_cmd(hwdev, HINIC_PORT_CMD_GET_CAP,
port_cap, sizeof(*port_cap),
port_cap, &out_size);
if (err || (out_size != sizeof(*port_cap)) || port_cap->status) {
dev_err(&pdev->dev,
"Failed to get port capabilities, ret = %d\n",
port_cap->status);
return -EINVAL;
}
return 0;
}
/**
* 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;
}
/**
* 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_set_tso - set port tso configuration
* @nic_dev: nic device
* @state: the tso state to set
*
* Return 0 - Success, negative - Failure
**/
int hinic_port_set_tso(struct hinic_dev *nic_dev, enum hinic_tso_state state)
{
struct hinic_hwdev *hwdev = nic_dev->hwdev;
struct hinic_hwif *hwif = hwdev->hwif;
struct hinic_tso_config tso_cfg = {0};
struct pci_dev *pdev = hwif->pdev;
u16 out_size;
int err;
tso_cfg.func_id = HINIC_HWIF_FUNC_IDX(hwif);
tso_cfg.tso_en = state;
err = hinic_port_msg_cmd(hwdev, HINIC_PORT_CMD_SET_TSO,
&tso_cfg, sizeof(tso_cfg),
&tso_cfg, &out_size);
if (err || out_size != sizeof(tso_cfg) || tso_cfg.status) {
dev_err(&pdev->dev,
"Failed to set port tso, ret = %d\n",
tso_cfg.status);
return -EINVAL;
}
return 0;
}
/**
* hinic_port_set_func_state- set func device state
* @nic_dev: nic device
* @state: the state to set
*
* Return 0 - Success, negative - Failure
**/
int hinic_port_set_func_state(struct hinic_dev *nic_dev,
enum hinic_func_port_state state)
{
struct hinic_port_func_state_cmd func_state;
struct hinic_hwdev *hwdev = nic_dev->hwdev;
struct hinic_hwif *hwif = hwdev->hwif;
struct pci_dev *pdev = hwif->pdev;
u16 out_size;
int err;
func_state.func_idx = HINIC_HWIF_FUNC_IDX(hwif);
func_state.state = state;
err = hinic_port_msg_cmd(hwdev, HINIC_PORT_CMD_SET_FUNC_STATE,
&func_state, sizeof(func_state),
&func_state, &out_size);
if (err || (out_size != sizeof(func_state)) || func_state.status) {
dev_err(&pdev->dev, "Failed to set port func state, ret = %d\n",
func_state.status);
return -EFAULT;
}
return 0;
}