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Diffstat (limited to 'drivers/net/fm10k/base/fm10k_api.c')
-rw-r--r--drivers/net/fm10k/base/fm10k_api.c363
1 files changed, 363 insertions, 0 deletions
diff --git a/drivers/net/fm10k/base/fm10k_api.c b/drivers/net/fm10k/base/fm10k_api.c
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+/*******************************************************************************
+
+Copyright (c) 2013 - 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 "fm10k_api.h"
+#include "fm10k_common.h"
+
+/**
+ * fm10k_set_mac_type - Sets MAC type
+ * @hw: pointer to the HW structure
+ *
+ * This function sets the mac type of the adapter based on the
+ * vendor ID and device ID stored in the hw structure.
+ **/
+s32 fm10k_set_mac_type(struct fm10k_hw *hw)
+{
+ s32 ret_val = FM10K_SUCCESS;
+
+ DEBUGFUNC("fm10k_set_mac_type");
+
+ if (hw->vendor_id != FM10K_INTEL_VENDOR_ID) {
+ ERROR_REPORT2(FM10K_ERROR_UNSUPPORTED,
+ "Unsupported vendor id: %x\n", hw->vendor_id);
+ return FM10K_ERR_DEVICE_NOT_SUPPORTED;
+ }
+
+ switch (hw->device_id) {
+ case FM10K_DEV_ID_PF:
+#ifdef BOULDER_RAPIDS_HW
+ case FM10K_DEV_ID_SDI_FM10420_QDA2:
+#endif /* BOULDER_RAPIDS_HW */
+#ifdef ATWOOD_CHANNEL_HW
+ case FM10K_DEV_ID_SDI_FM10420_DA2:
+#endif /* ATWOOD_CHANNEL_HW */
+ hw->mac.type = fm10k_mac_pf;
+ break;
+ case FM10K_DEV_ID_VF:
+ hw->mac.type = fm10k_mac_vf;
+ break;
+ default:
+ ret_val = FM10K_ERR_DEVICE_NOT_SUPPORTED;
+ ERROR_REPORT2(FM10K_ERROR_UNSUPPORTED,
+ "Unsupported device id: %x\n",
+ hw->device_id);
+ break;
+ }
+
+ DEBUGOUT2("fm10k_set_mac_type found mac: %d, returns: %d\n",
+ hw->mac.type, ret_val);
+
+ return ret_val;
+}
+
+/**
+ * fm10k_init_shared_code - Initialize the shared code
+ * @hw: pointer to hardware structure
+ *
+ * This will assign function pointers and assign the MAC type and PHY code.
+ * Does not touch the hardware. This function must be called prior to any
+ * other function in the shared code. The fm10k_hw structure should be
+ * memset to 0 prior to calling this function. The following fields in
+ * hw structure should be filled in prior to calling this function:
+ * hw_addr, back, device_id, vendor_id, subsystem_device_id,
+ * subsystem_vendor_id, and revision_id
+ **/
+s32 fm10k_init_shared_code(struct fm10k_hw *hw)
+{
+ s32 status;
+
+ DEBUGFUNC("fm10k_init_shared_code");
+
+ /* Set the mac type */
+ fm10k_set_mac_type(hw);
+
+ switch (hw->mac.type) {
+ case fm10k_mac_pf:
+ status = fm10k_init_ops_pf(hw);
+ break;
+ case fm10k_mac_vf:
+ status = fm10k_init_ops_vf(hw);
+ break;
+ default:
+ status = FM10K_ERR_DEVICE_NOT_SUPPORTED;
+ break;
+ }
+
+ return status;
+}
+
+#define fm10k_call_func(hw, func, params, error) \
+ ((func) ? (func params) : (error))
+
+/**
+ * fm10k_reset_hw - Reset the hardware to known good state
+ * @hw: pointer to hardware structure
+ *
+ * This function should return the hardware to a state similar to the
+ * one it is in after being powered on.
+ **/
+s32 fm10k_reset_hw(struct fm10k_hw *hw)
+{
+ return fm10k_call_func(hw, hw->mac.ops.reset_hw, (hw),
+ FM10K_NOT_IMPLEMENTED);
+}
+
+/**
+ * fm10k_init_hw - Initialize the hardware
+ * @hw: pointer to hardware structure
+ *
+ * Initialize the hardware by resetting and then starting the hardware
+ **/
+s32 fm10k_init_hw(struct fm10k_hw *hw)
+{
+ return fm10k_call_func(hw, hw->mac.ops.init_hw, (hw),
+ FM10K_NOT_IMPLEMENTED);
+}
+
+/**
+ * fm10k_stop_hw - Prepares hardware to shutdown Rx/Tx
+ * @hw: pointer to hardware structure
+ *
+ * Disables Rx/Tx queues and disables the DMA engine.
+ **/
+s32 fm10k_stop_hw(struct fm10k_hw *hw)
+{
+ return fm10k_call_func(hw, hw->mac.ops.stop_hw, (hw),
+ FM10K_NOT_IMPLEMENTED);
+}
+
+/**
+ * fm10k_start_hw - Prepares hardware for Rx/Tx
+ * @hw: pointer to hardware structure
+ *
+ * This function sets the flags indicating that the hardware is ready to
+ * begin operation.
+ **/
+s32 fm10k_start_hw(struct fm10k_hw *hw)
+{
+ return fm10k_call_func(hw, hw->mac.ops.start_hw, (hw),
+ FM10K_NOT_IMPLEMENTED);
+}
+
+/**
+ * fm10k_get_bus_info - Set PCI bus info
+ * @hw: pointer to hardware structure
+ *
+ * Sets the PCI bus info (speed, width, type) within the fm10k_hw structure
+ **/
+s32 fm10k_get_bus_info(struct fm10k_hw *hw)
+{
+ return fm10k_call_func(hw, hw->mac.ops.get_bus_info, (hw),
+ FM10K_NOT_IMPLEMENTED);
+}
+
+#ifndef NO_IS_SLOT_APPROPRIATE_CHECK
+/**
+ * fm10k_is_slot_appropriate - Indicate appropriate slot for this SKU
+ * @hw: pointer to hardware structure
+ *
+ * Looks at the PCIe bus info to confirm whether or not this slot can support
+ * the necessary bandwidth for this device.
+ **/
+bool fm10k_is_slot_appropriate(struct fm10k_hw *hw)
+{
+ if (hw->mac.ops.is_slot_appropriate)
+ return hw->mac.ops.is_slot_appropriate(hw);
+ return true;
+}
+
+#endif
+/**
+ * fm10k_update_vlan - Clear VLAN ID to VLAN filter table
+ * @hw: pointer to hardware structure
+ * @vid: VLAN ID to add to table
+ * @idx: Index indicating VF ID or PF ID in table
+ * @set: Indicates if this is a set or clear operation
+ *
+ * This function adds or removes the corresponding VLAN ID from the VLAN
+ * filter table for the corresponding function.
+ **/
+s32 fm10k_update_vlan(struct fm10k_hw *hw, u32 vid, u8 idx, bool set)
+{
+ return fm10k_call_func(hw, hw->mac.ops.update_vlan, (hw, vid, idx, set),
+ FM10K_NOT_IMPLEMENTED);
+}
+
+/**
+ * fm10k_read_mac_addr - Reads MAC address
+ * @hw: pointer to hardware structure
+ *
+ * Reads the MAC address out of the interface and stores it in the HW
+ * structures.
+ **/
+s32 fm10k_read_mac_addr(struct fm10k_hw *hw)
+{
+ return fm10k_call_func(hw, hw->mac.ops.read_mac_addr, (hw),
+ FM10K_NOT_IMPLEMENTED);
+}
+
+/**
+ * fm10k_update_hw_stats - Update hw statistics
+ * @hw: pointer to hardware structure
+ *
+ * This function updates statistics that are related to hardware.
+ * */
+void fm10k_update_hw_stats(struct fm10k_hw *hw, struct fm10k_hw_stats *stats)
+{
+ if (hw->mac.ops.update_hw_stats)
+ hw->mac.ops.update_hw_stats(hw, stats);
+}
+
+/**
+ * fm10k_rebind_hw_stats - Reset base for hw statistics
+ * @hw: pointer to hardware structure
+ *
+ * This function resets the base for statistics that are related to hardware.
+ * */
+void fm10k_rebind_hw_stats(struct fm10k_hw *hw, struct fm10k_hw_stats *stats)
+{
+ if (hw->mac.ops.rebind_hw_stats)
+ hw->mac.ops.rebind_hw_stats(hw, stats);
+}
+
+/**
+ * fm10k_configure_dglort_map - Configures GLORT entry and queues
+ * @hw: pointer to hardware structure
+ * @dglort: pointer to dglort configuration structure
+ *
+ * Reads the configuration structure contained in dglort_cfg and uses
+ * that information to then populate a DGLORTMAP/DEC entry and the queues
+ * to which it has been assigned.
+ **/
+s32 fm10k_configure_dglort_map(struct fm10k_hw *hw,
+ struct fm10k_dglort_cfg *dglort)
+{
+ return fm10k_call_func(hw, hw->mac.ops.configure_dglort_map,
+ (hw, dglort), FM10K_NOT_IMPLEMENTED);
+}
+
+/**
+ * fm10k_set_dma_mask - Configures PhyAddrSpace to limit DMA to system
+ * @hw: pointer to hardware structure
+ * @dma_mask: 64 bit DMA mask required for platform
+ *
+ * This function configures the endpoint to limit the access to memory
+ * beyond what is physically in the system.
+ **/
+void fm10k_set_dma_mask(struct fm10k_hw *hw, u64 dma_mask)
+{
+ if (hw->mac.ops.set_dma_mask)
+ hw->mac.ops.set_dma_mask(hw, dma_mask);
+}
+
+/**
+ * fm10k_get_fault - Record a fault in one of the interface units
+ * @hw: pointer to hardware structure
+ * @type: pointer to fault type register offset
+ * @fault: pointer to memory location to record the fault
+ *
+ * Record the fault register contents to the fault data structure and
+ * clear the entry from the register.
+ *
+ * Returns ERR_PARAM if invalid register is specified or no error is present.
+ **/
+s32 fm10k_get_fault(struct fm10k_hw *hw, int type, struct fm10k_fault *fault)
+{
+ return fm10k_call_func(hw, hw->mac.ops.get_fault, (hw, type, fault),
+ FM10K_NOT_IMPLEMENTED);
+}
+
+/**
+ * fm10k_update_uc_addr - Update device unicast address
+ * @hw: pointer to the HW structure
+ * @lport: logical port ID to update - unused
+ * @mac: MAC address to add/remove from table
+ * @vid: VLAN ID to add/remove from table
+ * @add: Indicates if this is an add or remove operation
+ * @flags: flags field to indicate add and secure - unused
+ *
+ * This function is used to add or remove unicast MAC addresses
+ **/
+s32 fm10k_update_uc_addr(struct fm10k_hw *hw, u16 lport,
+ const u8 *mac, u16 vid, bool add, u8 flags)
+{
+ return fm10k_call_func(hw, hw->mac.ops.update_uc_addr,
+ (hw, lport, mac, vid, add, flags),
+ FM10K_NOT_IMPLEMENTED);
+}
+
+/**
+ * fm10k_update_mc_addr - Update device multicast address
+ * @hw: pointer to the HW structure
+ * @lport: logical port ID to update - unused
+ * @mac: MAC address to add/remove from table
+ * @vid: VLAN ID to add/remove from table
+ * @add: Indicates if this is an add or remove operation
+ *
+ * This function is used to add or remove multicast MAC addresses
+ **/
+s32 fm10k_update_mc_addr(struct fm10k_hw *hw, u16 lport,
+ const u8 *mac, u16 vid, bool add)
+{
+ return fm10k_call_func(hw, hw->mac.ops.update_mc_addr,
+ (hw, lport, mac, vid, add),
+ FM10K_NOT_IMPLEMENTED);
+}
+
+/**
+ * fm10k_adjust_systime - Adjust systime frequency
+ * @hw: pointer to hardware structure
+ * @ppb: adjustment rate in parts per billion
+ *
+ * This function is meant to update the frequency of the clock represented
+ * by the SYSTIME register.
+ **/
+s32 fm10k_adjust_systime(struct fm10k_hw *hw, s32 ppb)
+{
+ return fm10k_call_func(hw, hw->mac.ops.adjust_systime,
+ (hw, ppb), FM10K_NOT_IMPLEMENTED);
+}
+
+/**
+ * fm10k_notify_offset - Notify switch of change in PTP offset
+ * @hw: pointer to hardware structure
+ * @offset: 64bit unsigned offset from hardware SYSTIME value
+ *
+ * This function is meant to notify switch of change in the PTP offset for
+ * the hardware SYSTIME registers.
+ **/
+s32 fm10k_notify_offset(struct fm10k_hw *hw, u64 offset)
+{
+ return fm10k_call_func(hw, hw->mac.ops.notify_offset,
+ (hw, offset), FM10K_NOT_IMPLEMENTED);
+}