diff options
Diffstat (limited to 'src/dpdk/drivers/net/ixgbe/base/ixgbe_hv_vf.c')
| -rw-r--r-- | src/dpdk/drivers/net/ixgbe/base/ixgbe_hv_vf.c | 240 |
1 files changed, 240 insertions, 0 deletions
diff --git a/src/dpdk/drivers/net/ixgbe/base/ixgbe_hv_vf.c b/src/dpdk/drivers/net/ixgbe/base/ixgbe_hv_vf.c new file mode 100644 index 00000000..47143a26 --- /dev/null +++ b/src/dpdk/drivers/net/ixgbe/base/ixgbe_hv_vf.c @@ -0,0 +1,240 @@ +/******************************************************************************* + +Copyright (c) 2001-2015, Intel Corporation +All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are met: + + 1. Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + + 3. Neither the name of the Intel Corporation nor the names of its + contributors may be used to endorse or promote products derived from + this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" +AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE +LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR +CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF +SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS +INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN +CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) +ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE +POSSIBILITY OF SUCH DAMAGE. + +***************************************************************************/ + +#include "ixgbe_vf.h" +#include "ixgbe_hv_vf.h" + +/** + * Hyper-V variant - just a stub. + */ +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. + */ +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. + */ +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. + */ +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; +} |