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/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2001-2018
*/
#include "ixgbe_vf.h"
#include "ixgbe_hv_vf.h"
/**
* Hyper-V variant - just a stub.
* @hw: unused
* @mc_addr_list: unused
* @mc_addr_count: unused
* @next: unused
* @clear: unused
*/
static s32 ixgbevf_hv_update_mc_addr_list_vf(struct ixgbe_hw *hw, u8 *mc_addr_list,
u32 mc_addr_count, ixgbe_mc_addr_itr next,
bool clear)
{
UNREFERENCED_5PARAMETER(hw, mc_addr_list, mc_addr_count, next, clear);
return IXGBE_ERR_FEATURE_NOT_SUPPORTED;
}
/**
* Hyper-V variant - just a stub.
* @hw: unused
* @xcast_mode: unused
*/
static s32 ixgbevf_hv_update_xcast_mode(struct ixgbe_hw *hw, int xcast_mode)
{
UNREFERENCED_2PARAMETER(hw, xcast_mode);
return IXGBE_ERR_FEATURE_NOT_SUPPORTED;
}
/**
* Hyper-V variant - just a stub.
* @hw: unused
* @vlan: unused
* @vind: unused
* @vlan_on: unused
* @vlvf_bypass: unused
*/
static s32 ixgbevf_hv_set_vfta_vf(struct ixgbe_hw *hw, u32 vlan, u32 vind,
bool vlan_on, bool vlvf_bypass)
{
UNREFERENCED_5PARAMETER(hw, vlan, vind, vlan_on, vlvf_bypass);
return IXGBE_ERR_FEATURE_NOT_SUPPORTED;
}
static s32 ixgbevf_hv_set_uc_addr_vf(struct ixgbe_hw *hw, u32 index, u8 *addr)
{
UNREFERENCED_3PARAMETER(hw, index, addr);
return IXGBE_ERR_FEATURE_NOT_SUPPORTED;
}
/**
* Hyper-V variant - just a stub.
*/
static s32 ixgbevf_hv_reset_hw_vf(struct ixgbe_hw *hw)
{
UNREFERENCED_PARAMETER(hw);
return IXGBE_ERR_FEATURE_NOT_SUPPORTED;
}
/**
* Hyper-V variant - just a stub.
*/
static s32 ixgbevf_hv_set_rar_vf(struct ixgbe_hw *hw, u32 index, u8 *addr, u32 vlan, u32 vind)
{
UNREFERENCED_5PARAMETER(hw, index, addr, vlan, vind);
return IXGBE_ERR_FEATURE_NOT_SUPPORTED;
}
/**
* Hyper-V variant; there is no mailbox communication.
* @hw: pointer to hardware structure
* @speed: pointer to link speed
* @link_up: true is link is up, false otherwise
* @autoneg_wait_to_complete: unused
*
*/
static s32 ixgbevf_hv_check_mac_link_vf(struct ixgbe_hw *hw,
ixgbe_link_speed *speed,
bool *link_up,
bool autoneg_wait_to_complete)
{
struct ixgbe_mbx_info *mbx = &hw->mbx;
struct ixgbe_mac_info *mac = &hw->mac;
u32 links_reg;
UNREFERENCED_1PARAMETER(autoneg_wait_to_complete);
/* If we were hit with a reset drop the link */
if (!mbx->ops.check_for_rst(hw, 0) || !mbx->timeout)
mac->get_link_status = true;
if (!mac->get_link_status)
goto out;
/* if link status is down no point in checking to see if pf is up */
links_reg = IXGBE_READ_REG(hw, IXGBE_VFLINKS);
if (!(links_reg & IXGBE_LINKS_UP))
goto out;
/* for SFP+ modules and DA cables on 82599 it can take up to 500usecs
* before the link status is correct
*/
if (mac->type == ixgbe_mac_82599_vf) {
int i;
for (i = 0; i < 5; i++) {
DELAY(100);
links_reg = IXGBE_READ_REG(hw, IXGBE_VFLINKS);
if (!(links_reg & IXGBE_LINKS_UP))
goto out;
}
}
switch (links_reg & IXGBE_LINKS_SPEED_82599) {
case IXGBE_LINKS_SPEED_10G_82599:
*speed = IXGBE_LINK_SPEED_10GB_FULL;
if (hw->mac.type >= ixgbe_mac_X550) {
if (links_reg & IXGBE_LINKS_SPEED_NON_STD)
*speed = IXGBE_LINK_SPEED_2_5GB_FULL;
}
break;
case IXGBE_LINKS_SPEED_1G_82599:
*speed = IXGBE_LINK_SPEED_1GB_FULL;
break;
case IXGBE_LINKS_SPEED_100_82599:
*speed = IXGBE_LINK_SPEED_100_FULL;
if (hw->mac.type == ixgbe_mac_X550) {
if (links_reg & IXGBE_LINKS_SPEED_NON_STD)
*speed = IXGBE_LINK_SPEED_5GB_FULL;
}
break;
case IXGBE_LINKS_SPEED_10_X550EM_A:
*speed = IXGBE_LINK_SPEED_UNKNOWN;
/* Reserved for pre-x550 devices */
if (hw->mac.type >= ixgbe_mac_X550)
*speed = IXGBE_LINK_SPEED_10_FULL;
break;
default:
*speed = IXGBE_LINK_SPEED_UNKNOWN;
}
/* if we passed all the tests above then the link is up and we no
* longer need to check for link
*/
mac->get_link_status = false;
out:
*link_up = !mac->get_link_status;
return IXGBE_SUCCESS;
}
/**
* ixgbevf_hv_set_rlpml_vf - Set the maximum receive packet length
* @hw: pointer to the HW structure
* @max_size: value to assign to max frame size
* Hyper-V variant.
**/
static s32 ixgbevf_hv_set_rlpml_vf(struct ixgbe_hw *hw, u16 max_size)
{
u32 reg;
/* If we are on Hyper-V, we implement this functionality
* differently.
*/
reg = IXGBE_READ_REG(hw, IXGBE_VFRXDCTL(0));
/* CRC == 4 */
reg |= ((max_size + 4) | IXGBE_RXDCTL_RLPML_EN);
IXGBE_WRITE_REG(hw, IXGBE_VFRXDCTL(0), reg);
return IXGBE_SUCCESS;
}
/**
* ixgbevf_hv_negotiate_api_version_vf - Negotiate supported API version
* @hw: pointer to the HW structure
* @api: integer containing requested API version
* Hyper-V version - only ixgbe_mbox_api_10 supported.
**/
static int ixgbevf_hv_negotiate_api_version_vf(struct ixgbe_hw *hw, int api)
{
UNREFERENCED_1PARAMETER(hw);
/* Hyper-V only supports api version ixgbe_mbox_api_10 */
if (api != ixgbe_mbox_api_10)
return IXGBE_ERR_INVALID_ARGUMENT;
return IXGBE_SUCCESS;
}
/**
* ixgbevf_hv_init_ops_vf - Initialize the pointers for vf
* @hw: pointer to hardware structure
*
* This will assign function pointers, adapter-specific functions can
* override the assignment of generic function pointers by assigning
* their own adapter-specific function pointers.
* Does not touch the hardware.
**/
s32 ixgbevf_hv_init_ops_vf(struct ixgbe_hw *hw)
{
/* Set defaults for VF then override applicable Hyper-V
* specific functions
*/
ixgbe_init_ops_vf(hw);
hw->mac.ops.reset_hw = ixgbevf_hv_reset_hw_vf;
hw->mac.ops.check_link = ixgbevf_hv_check_mac_link_vf;
hw->mac.ops.negotiate_api_version = ixgbevf_hv_negotiate_api_version_vf;
hw->mac.ops.set_rar = ixgbevf_hv_set_rar_vf;
hw->mac.ops.update_mc_addr_list = ixgbevf_hv_update_mc_addr_list_vf;
hw->mac.ops.update_xcast_mode = ixgbevf_hv_update_xcast_mode;
hw->mac.ops.set_uc_addr = ixgbevf_hv_set_uc_addr_vf;
hw->mac.ops.set_vfta = ixgbevf_hv_set_vfta_vf;
hw->mac.ops.set_rlpml = ixgbevf_hv_set_rlpml_vf;
return IXGBE_SUCCESS;
}
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