Merge pull request #23 from fbelavenuto/ixgbevf

Added ixgbevf module

src/ixgbe/.exclude

@@ -1,5 +0,0 @@
-broadwell -4.4.180
-broadwellnk -4.4.180
-bromolow -3.10.108
-denverton -4.4.180
-v1000 -4.4.180

src/ixgbevf/3.x

@@ -0,0 +1 @@
+4.x

src/ixgbevf/4.x/.version

@@ -0,0 +1 @@
+4.16.5

src/ixgbevf/4.x/Makefile

@@ -0,0 +1,6 @@
+obj-m += ixgbevf.o
+
+ixgbevf-y := ixgbevf_main.o ixgbevf_ethtool.o ixgbe_vf.o ixgbe_mbx.o
+
+ixgbevf-${CONFIG_PCI_HYPERV:m=y} += ixgbe_hv_vf.o
+ixgbevf-y += kcompat.o

src/ixgbevf/4.x/ixgbe_common.h

@@ -0,0 +1,139 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright(c) 1999 - 2022 Intel Corporation. */
+
+#ifndef _IXGBE_COMMON_H_
+#define _IXGBE_COMMON_H_
+
+#include "ixgbe_type.h"
+
+void ixgbe_dcb_get_rtrup2tc_generic(struct ixgbe_hw *hw, u8 *map);
+
+u16 ixgbe_get_pcie_msix_count_generic(struct ixgbe_hw *hw);
+s32 ixgbe_init_ops_generic(struct ixgbe_hw *hw);
+s32 ixgbe_init_hw_generic(struct ixgbe_hw *hw);
+s32 ixgbe_start_hw_generic(struct ixgbe_hw *hw);
+void ixgbe_start_hw_gen2(struct ixgbe_hw *hw);
+s32 ixgbe_clear_hw_cntrs_generic(struct ixgbe_hw *hw);
+s32 ixgbe_read_pba_string_generic(struct ixgbe_hw *hw, u8 *pba_num,
+				  u32 pba_num_size);
+s32 ixgbe_get_mac_addr_generic(struct ixgbe_hw *hw, u8 *mac_addr);
+s32 ixgbe_get_bus_info_generic(struct ixgbe_hw *hw);
+void ixgbe_set_pci_config_data_generic(struct ixgbe_hw *hw, u16 link_status);
+void ixgbe_set_lan_id_multi_port_pcie(struct ixgbe_hw *hw);
+s32 ixgbe_stop_adapter_generic(struct ixgbe_hw *hw);
+
+s32 ixgbe_led_on_generic(struct ixgbe_hw *hw, u32 index);
+s32 ixgbe_led_off_generic(struct ixgbe_hw *hw, u32 index);
+s32 ixgbe_init_led_link_act_generic(struct ixgbe_hw *hw);
+
+s32 ixgbe_init_eeprom_params_generic(struct ixgbe_hw *hw);
+s32 ixgbe_write_eeprom_generic(struct ixgbe_hw *hw, u16 offset, u16 data);
+s32 ixgbe_write_eeprom_buffer_bit_bang_generic(struct ixgbe_hw *hw, u16 offset,
+					       u16 words, u16 *data);
+s32 ixgbe_read_eerd_generic(struct ixgbe_hw *hw, u16 offset, u16 *data);
+s32 ixgbe_read_eerd_buffer_generic(struct ixgbe_hw *hw, u16 offset,
+				   u16 words, u16 *data);
+s32 ixgbe_write_eewr_generic(struct ixgbe_hw *hw, u16 offset, u16 data);
+s32 ixgbe_write_eewr_buffer_generic(struct ixgbe_hw *hw, u16 offset,
+				    u16 words, u16 *data);
+s32 ixgbe_read_eeprom_bit_bang_generic(struct ixgbe_hw *hw, u16 offset,
+				       u16 *data);
+s32 ixgbe_read_eeprom_buffer_bit_bang_generic(struct ixgbe_hw *hw, u16 offset,
+					      u16 words, u16 *data);
+s32 ixgbe_calc_eeprom_checksum_generic(struct ixgbe_hw *hw);
+s32 ixgbe_validate_eeprom_checksum_generic(struct ixgbe_hw *hw,
+					   u16 *checksum_val);
+s32 ixgbe_update_eeprom_checksum_generic(struct ixgbe_hw *hw);
+s32 ixgbe_poll_eerd_eewr_done(struct ixgbe_hw *hw, u32 ee_reg);
+
+s32 ixgbe_set_rar_generic(struct ixgbe_hw *hw, u32 index, u8 *addr, u32 vmdq,
+			  u32 enable_addr);
+s32 ixgbe_clear_rar_generic(struct ixgbe_hw *hw, u32 index);
+s32 ixgbe_init_rx_addrs_generic(struct ixgbe_hw *hw);
+s32 ixgbe_update_mc_addr_list_generic(struct ixgbe_hw *hw, u8 *mc_addr_list,
+				      u32 mc_addr_count,
+				      ixgbe_mc_addr_itr func, bool clear);
+s32 ixgbe_update_uc_addr_list_generic(struct ixgbe_hw *hw, u8 *addr_list,
+				      u32 addr_count, ixgbe_mc_addr_itr func);
+s32 ixgbe_enable_mc_generic(struct ixgbe_hw *hw);
+s32 ixgbe_disable_mc_generic(struct ixgbe_hw *hw);
+s32 ixgbe_enable_rx_dma_generic(struct ixgbe_hw *hw, u32 regval);
+s32 ixgbe_disable_sec_rx_path_generic(struct ixgbe_hw *hw);
+s32 ixgbe_enable_sec_rx_path_generic(struct ixgbe_hw *hw);
+
+s32 ixgbe_fc_enable_generic(struct ixgbe_hw *hw);
+bool ixgbe_device_supports_autoneg_fc(struct ixgbe_hw *hw);
+void ixgbe_fc_autoneg(struct ixgbe_hw *hw);
+s32 ixgbe_setup_fc_generic(struct ixgbe_hw *hw);
+
+s32 ixgbe_validate_mac_addr(u8 *mac_addr);
+s32 ixgbe_acquire_swfw_sync(struct ixgbe_hw *hw, u32 mask);
+void ixgbe_release_swfw_sync(struct ixgbe_hw *hw, u32 mask);
+s32 ixgbe_disable_pcie_primary(struct ixgbe_hw *hw);
+
+s32 prot_autoc_read_generic(struct ixgbe_hw *hw, bool *, u32 *reg_val);
+s32 prot_autoc_write_generic(struct ixgbe_hw *hw, u32 reg_val, bool locked);
+
+s32 ixgbe_blink_led_start_generic(struct ixgbe_hw *hw, u32 index);
+s32 ixgbe_blink_led_stop_generic(struct ixgbe_hw *hw, u32 index);
+
+s32 ixgbe_get_san_mac_addr_generic(struct ixgbe_hw *hw, u8 *san_mac_addr);
+s32 ixgbe_set_san_mac_addr_generic(struct ixgbe_hw *hw, u8 *san_mac_addr);
+
+s32 ixgbe_set_vmdq_generic(struct ixgbe_hw *hw, u32 rar, u32 vmdq);
+s32 ixgbe_set_vmdq_san_mac_generic(struct ixgbe_hw *hw, u32 vmdq);
+s32 ixgbe_clear_vmdq_generic(struct ixgbe_hw *hw, u32 rar, u32 vmdq);
+s32 ixgbe_insert_mac_addr_generic(struct ixgbe_hw *hw, u8 *addr, u32 vmdq);
+s32 ixgbe_init_uta_tables_generic(struct ixgbe_hw *hw);
+s32 ixgbe_set_vfta_generic(struct ixgbe_hw *hw, u32 vlan,
+			 u32 vind, bool vlan_on, bool vlvf_bypass);
+s32 ixgbe_set_vlvf_generic(struct ixgbe_hw *hw, u32 vlan, u32 vind,
+			   bool vlan_on, u32 *vfta_delta, u32 vfta,
+			   bool vlvf_bypass);
+s32 ixgbe_clear_vfta_generic(struct ixgbe_hw *hw);
+s32 ixgbe_find_vlvf_slot(struct ixgbe_hw *hw, u32 vlan, bool vlvf_bypass);
+s32 ixgbe_toggle_txdctl_generic(struct ixgbe_hw *hw, u32 vind);
+
+s32 ixgbe_check_mac_link_generic(struct ixgbe_hw *hw,
+			       ixgbe_link_speed *speed,
+			       bool *link_up, bool link_up_wait_to_complete);
+
+s32 ixgbe_get_wwn_prefix_generic(struct ixgbe_hw *hw, u16 *wwnn_prefix,
+				 u16 *wwpn_prefix);
+
+s32 ixgbe_get_fcoe_boot_status_generic(struct ixgbe_hw *hw, u16 *bs);
+void ixgbe_set_mac_anti_spoofing(struct ixgbe_hw *hw, bool enable, int vf);
+void ixgbe_set_vlan_anti_spoofing(struct ixgbe_hw *hw, bool enable, int vf);
+s32 ixgbe_get_device_caps_generic(struct ixgbe_hw *hw, u16 *device_caps);
+void ixgbe_set_rxpba_generic(struct ixgbe_hw *hw, int num_pb, u32 headroom,
+			     int strategy);
+void ixgbe_enable_relaxed_ordering_gen2(struct ixgbe_hw *hw);
+s32 ixgbe_set_fw_drv_ver_generic(struct ixgbe_hw *hw, u8 maj, u8 min,
+				 u8 build, u8 ver, u16 len, const char *str);
+u8 ixgbe_calculate_checksum(u8 *buffer, u32 length);
+s32 ixgbe_host_interface_command(struct ixgbe_hw *hw, u32 *buffer,
+				 u32 length, u32 timeout, bool return_data);
+s32 ixgbe_hic_unlocked(struct ixgbe_hw *, u32 *buffer, u32 length, u32 timeout);
+s32 ixgbe_shutdown_fw_phy(struct ixgbe_hw *);
+s32 ixgbe_fw_phy_activity(struct ixgbe_hw *, u16 activity,
+			  u32 (*data)[FW_PHY_ACT_DATA_COUNT]);
+void ixgbe_clear_tx_pending(struct ixgbe_hw *hw);
+
+extern s32 ixgbe_reset_pipeline_82599(struct ixgbe_hw *hw);
+extern void ixgbe_stop_mac_link_on_d3_82599(struct ixgbe_hw *hw);
+bool ixgbe_mng_present(struct ixgbe_hw *hw);
+bool ixgbe_mng_enabled(struct ixgbe_hw *hw);
+
+void ixgbe_get_etk_id(struct ixgbe_hw *hw, struct ixgbe_nvm_version *nvm_ver);
+void ixgbe_get_oem_prod_version(struct ixgbe_hw *hw,
+				struct ixgbe_nvm_version *nvm_ver);
+void ixgbe_get_orom_version(struct ixgbe_hw *hw,
+			    struct ixgbe_nvm_version *nvm_ver);
+void ixgbe_disable_rx_generic(struct ixgbe_hw *hw);
+void ixgbe_enable_rx_generic(struct ixgbe_hw *hw);
+s32 ixgbe_setup_mac_link_multispeed_fiber(struct ixgbe_hw *hw,
+					  ixgbe_link_speed speed,
+					  bool autoneg_wait_to_complete);
+void ixgbe_set_soft_rate_select_speed(struct ixgbe_hw *hw,
+				      ixgbe_link_speed speed);
+#endif /* IXGBE_COMMON */

src/ixgbevf/4.x/ixgbe_hv_vf.c

@@ -0,0 +1,206 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright(c) 1999 - 2022 Intel Corporation. */
+
+#include "ixgbe_hv_vf.h"
+
+/**
+ * ixgbevf_hv_update_mc_addr_list_vf - Hyper-V variant - just a stub.
+ * @hw: unused
+ * @mc_addr_list: unused
+ * @mc_addr_count: unused
+ * @next: unused
+ * @clear: unused
+ */
+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;
+}
+
+/**
+ * ixgbevf_hv_update_xcast_mode - Hyper-V variant - just a stub.
+ * @hw: unused
+ * @xcast_mode: unused
+ */
+s32 ixgbevf_hv_update_xcast_mode(struct ixgbe_hw *hw, int xcast_mode)
+{
+	UNREFERENCED_2PARAMETER(hw, xcast_mode);
+
+	return IXGBE_ERR_FEATURE_NOT_SUPPORTED;
+}
+
+/**
+ * ixgbevf_hv_set_vfta_vf - Hyper-V variant - just a stub.
+ * @hw: unused
+ * @vlan: unused
+ * @vind: unused
+ * @vlan_on: unused
+ * @vlvf_bypass: unused
+ */
+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;
+}
+
+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;
+}
+
+/**
+ * ixgbevf_hv_check_mac_link_vf - 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
+ */
+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[0].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++) {
+			udelay(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 0;
+}
+
+/**
+ * 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.
+ **/
+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 0;
+}
+
+/**
+ * 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.
+ **/
+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 0;
+}
+
+/**
+ * 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 0;
+}

src/ixgbevf/4.x/ixgbe_hv_vf.h

@@ -0,0 +1,31 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright(c) 1999 - 2022 Intel Corporation. */
+
+#ifndef _IXGBE_HV_VF_H_
+#define _IXGBE_HV_VF_H_
+
+/* On Hyper-V, to reset, we need to read from this offset
+ * from the PCI config space. This is the mechanism used on
+ * Hyper-V to support PF/VF communication.
+ */
+#define IXGBE_HV_RESET_OFFSET           0x201
+
+#include "ixgbe_vf.h"
+
+s32 ixgbevf_hv_init_ops_vf(struct ixgbe_hw *hw);
+s32 ixgbevf_hv_check_mac_link_vf(struct ixgbe_hw *hw, ixgbe_link_speed *speed,
+				 bool *link_up, bool autoneg_wait_to_complete);
+s32 ixgbevf_hv_set_uc_addr_vf(struct ixgbe_hw *hw, u32 index, u8 *addr);
+s32 ixgbevf_hv_update_mc_addr_list_vf(struct ixgbe_hw *hw, u8 *mc_addr_list,
+				      u32 mc_addr_count, ixgbe_mc_addr_itr,
+				      bool clear);
+s32 ixgbevf_hv_update_xcast_mode(struct ixgbe_hw *hw, int xcast_mode);
+s32 ixgbevf_hv_set_vfta_vf(struct ixgbe_hw *hw, u32 vlan, u32 vind,
+			   bool vlan_on, bool vlvf_bypass);
+s32 ixgbevf_hv_set_rlpml_vf(struct ixgbe_hw *hw, u16 max_size);
+int ixgbevf_hv_negotiate_api_version_vf(struct ixgbe_hw *hw, int api);
+
+extern s32 ixgbevf_hv_reset_hw_vf(struct ixgbe_hw *hw);
+extern s32 ixgbevf_hv_set_rar_vf(struct ixgbe_hw *hw, u32 index, u8 *addr,
+				 u32 vmdq, u32 enable_addr);
+#endif /* _IXGBE_HV_VF_H_ */