igc: Add support for PF

This patch adds the basic defines and structures needed by the PF for
operation. With this it is possible to bring up the interface,
but without being able to configure any of the filters on
the interface itself.
Add skeleton for a function pointers.

Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

1 files changed, 82 insertions, 0 deletions

diff --git a/drivers/net/ethernet/intel/igc/igc_hw.h b/drivers/net/ethernet/intel/igc/igc_hw.h
index aa68b4516700..84b6067a2476 100644
--- a/drivers/net/ethernet/intel/igc/igc_hw.h
+++ b/drivers/net/ethernet/intel/igc/igc_hw.h
@@ -4,7 +4,89 @@
 #ifndef _IGC_HW_H_
 #define _IGC_HW_H_
 
+#include <linux/types.h>
+#include <linux/if_ether.h>
+#include "igc_regs.h"
+#include "igc_defines.h"
+#include "igc_mac.h"
+#include "igc_i225.h"
+
 #define IGC_DEV_ID_I225_LM			0x15F2
 #define IGC_DEV_ID_I225_V			0x15F3
 
+/* Function pointers for the MAC. */
+struct igc_mac_operations {
+};
+
+enum igc_mac_type {
+	igc_undefined = 0,
+	igc_i225,
+	igc_num_macs  /* List is 1-based, so subtract 1 for true count. */
+};
+
+enum igc_phy_type {
+	igc_phy_unknown = 0,
+	igc_phy_none,
+	igc_phy_i225,
+};
+
+struct igc_mac_info {
+	struct igc_mac_operations ops;
+
+	u8 addr[ETH_ALEN];
+	u8 perm_addr[ETH_ALEN];
+
+	enum igc_mac_type type;
+
+	u32 collision_delta;
+	u32 ledctl_default;
+	u32 ledctl_mode1;
+	u32 ledctl_mode2;
+	u32 mc_filter_type;
+	u32 tx_packet_delta;
+	u32 txcw;
+
+	u16 mta_reg_count;
+	u16 uta_reg_count;
+
+	u16 rar_entry_count;
+
+	u8 forced_speed_duplex;
+
+	bool adaptive_ifs;
+	bool has_fwsm;
+	bool arc_subsystem_valid;
+
+	bool autoneg;
+	bool autoneg_failed;
+};
+
+struct igc_bus_info {
+	u16 func;
+	u16 pci_cmd_word;
+};
+
+struct igc_hw {
+	void *back;
+
+	u8 __iomem *hw_addr;
+	unsigned long io_base;
+
+	struct igc_mac_info  mac;
+
+	struct igc_bus_info bus;
+
+	u16 device_id;
+	u16 subsystem_vendor_id;
+	u16 subsystem_device_id;
+	u16 vendor_id;
+
+	u8 revision_id;
+};
+
+s32  igc_read_pcie_cap_reg(struct igc_hw *hw, u32 reg, u16 *value);
+s32  igc_write_pcie_cap_reg(struct igc_hw *hw, u32 reg, u16 *value);
+void igc_read_pci_cfg(struct igc_hw *hw, u32 reg, u16 *value);
+void igc_write_pci_cfg(struct igc_hw *hw, u32 reg, u16 *value);
+
 #endif /* _IGC_HW_H_ */