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/* SPDX-License-Identifier: BSD-3-Clause
 * Copyright(c) 2013 - 2015 Intel Corporation
 */

#ifndef _FM10K_OSDEP_H_
#define _FM10K_OSDEP_H_

#include <stdint.h>
#include <stdbool.h>
#include <string.h>
#include <rte_atomic.h>
#include <rte_byteorder.h>
#include <rte_cycles.h>
#include <rte_io.h>

#include "../fm10k_logs.h"

/* TODO: this does not look like it should be used... */
#define ERROR_REPORT2(v1, v2, v3)   do { } while (0)

#ifndef BOULDER_RAPIDS_HW
#define BOULDER_RAPIDS_HW
#endif

#define STATIC                  static
#define DEBUGFUNC(F)            DEBUGOUT(F "\n");
#define DEBUGOUT(S, args...)    PMD_DRV_LOG_RAW(DEBUG, S, ##args)
#define DEBUGOUT1(S, args...)   DEBUGOUT(S, ##args)
#define DEBUGOUT2(S, args...)   DEBUGOUT(S, ##args)
#define DEBUGOUT3(S, args...)   DEBUGOUT(S, ##args)
#define DEBUGOUT6(S, args...)   DEBUGOUT(S, ##args)
#define DEBUGOUT7(S, args...)   DEBUGOUT(S, ##args)

#define FALSE      0
#define TRUE       1

typedef uint8_t    u8;
typedef int8_t     s8;
typedef uint16_t   u16;
typedef int16_t    s16;
typedef uint32_t   u32;
typedef int32_t    s32;
typedef int64_t    s64;
typedef uint64_t   u64;

#ifndef __le16
#define __le16     u16
#define __le32     u32
#define __le64     u64
#endif
#ifndef __be16
#define __be16     u16
#define __be32     u32
#define __be64     u64
#endif

/* offsets are WORD offsets, not BYTE offsets */
#define FM10K_WRITE_REG(hw, reg, val)		\
	rte_write32((val), ((hw)->hw_addr + (reg)))

#define FM10K_READ_REG(hw, reg) rte_read32(((hw)->hw_addr + (reg)))

#define FM10K_WRITE_FLUSH(a) FM10K_READ_REG(a, FM10K_CTRL)

#define FM10K_PCI_REG(reg) rte_read32(reg)

#define FM10K_PCI_REG_WRITE(reg, value) rte_write32((value), (reg))

/* not implemented */
#define FM10K_READ_PCI_WORD(hw, reg)     0

#define FM10K_WRITE_MBX(hw, reg, value) FM10K_WRITE_REG(hw, reg, value)
#define FM10K_READ_MBX(hw, reg) FM10K_READ_REG(hw, reg)

#define FM10K_LE16_TO_CPU    rte_le_to_cpu_16
#define FM10K_LE32_TO_CPU    rte_le_to_cpu_32
#define FM10K_CPU_TO_LE32    rte_cpu_to_le_32
#define FM10K_CPU_TO_LE16    rte_cpu_to_le_16
#define le16_to_cpu          rte_le_to_cpu_16

#define FM10K_RMB            rte_rmb
#define FM10K_WMB            rte_wmb

#define usec_delay           rte_delay_us

#define FM10K_REMOVED(hw_addr) (!(hw_addr))

#ifndef FM10K_IS_ZERO_ETHER_ADDR
/* make certain address is not 0 */
#define FM10K_IS_ZERO_ETHER_ADDR(addr) \
(!((addr)[0] | (addr)[1] | (addr)[2] | (addr)[3] | (addr)[4] | (addr)[5]))
#endif

#ifndef FM10K_IS_MULTICAST_ETHER_ADDR
#define FM10K_IS_MULTICAST_ETHER_ADDR(addr) ((addr)[0] & 0x1)
#endif

#ifndef FM10K_IS_VALID_ETHER_ADDR
/* make certain address is not multicast or 0 */
#define FM10K_IS_VALID_ETHER_ADDR(addr) \
(!FM10K_IS_MULTICAST_ETHER_ADDR(addr) && !FM10K_IS_ZERO_ETHER_ADDR(addr))
#endif

#ifndef do_div
#define do_div(n, base) ({\
	(n) = (n) / (base);\
})
#endif /* do_div */

/* DPDK can't access IOMEM directly */
#ifndef FM10K_WRITE_SW_REG
#define FM10K_WRITE_SW_REG(v1, v2, v3)   do { } while (0)
#endif

#ifndef fm10k_read_reg
#define fm10k_read_reg FM10K_READ_REG
#endif

#define FM10K_INTEL_VENDOR_ID       0x8086
#define FM10K_DMA_CTRL_MINMSS_SHIFT		9
#define FM10K_EICR_PCA_FAULT			0x00000001
#define FM10K_EICR_THI_FAULT			0x00000004
#define FM10K_EICR_FUM_FAULT			0x00000020
#define FM10K_EICR_SRAMERROR			0x00000400
#define FM10K_SRAM_IP		0x13003
#define FM10K_RXINT_TIMER_SHIFT			8
#define FM10K_TXINT_TIMER_SHIFT			8
#define FM10K_RXD_PKTTYPE_MASK		0x03F0
#define FM10K_RXD_PKTTYPE_SHIFT		4

#define FM10K_RXD_STATUS_IPCS		0x0008 /* Indicates IPv4 csum */
#define FM10K_RXD_STATUS_HBO		0x0400 /* header buffer overrun */

#define FM10K_TSO_MINMSS \
	(FM10K_DMA_CTRL_MINMSS_64 >> FM10K_DMA_CTRL_MINMSS_SHIFT)
#define FM10K_TSO_MIN_HEADERLEN			54
#define FM10K_TSO_MAX_HEADERLEN			192

#endif /* _FM10K_OSDEP_H_ */