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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Header File to describe the DMA descriptors and related definitions specific
* for DesignWare databook 4.xx.
*
* Copyright (C) 2015 STMicroelectronics Ltd
*
* Author: Alexandre Torgue <alexandre.torgue@st.com>
*/
#ifndef __DWMAC4_DESCS_H__
#define __DWMAC4_DESCS_H__
#include <linux/bitops.h>
/* Normal transmit descriptor defines (without split feature) */
/* TDES2 (read format) */
#define TDES2_BUFFER1_SIZE_MASK GENMASK(13, 0)
#define TDES2_VLAN_TAG_MASK GENMASK(15, 14)
#define TDES2_BUFFER2_SIZE_MASK GENMASK(29, 16)
#define TDES2_BUFFER2_SIZE_MASK_SHIFT 16
#define TDES2_TIMESTAMP_ENABLE BIT(30)
#define TDES2_INTERRUPT_ON_COMPLETION BIT(31)
/* TDES3 (read format) */
#define TDES3_PACKET_SIZE_MASK GENMASK(14, 0)
#define TDES3_CHECKSUM_INSERTION_MASK GENMASK(17, 16)
#define TDES3_CHECKSUM_INSERTION_SHIFT 16
#define TDES3_TCP_PKT_PAYLOAD_MASK GENMASK(17, 0)
#define TDES3_TCP_SEGMENTATION_ENABLE BIT(18)
#define TDES3_HDR_LEN_SHIFT 19
#define TDES3_SLOT_NUMBER_MASK GENMASK(22, 19)
#define TDES3_SA_INSERT_CTRL_MASK GENMASK(25, 23)
#define TDES3_CRC_PAD_CTRL_MASK GENMASK(27, 26)
/* TDES3 (write back format) */
#define TDES3_IP_HDR_ERROR BIT(0)
#define TDES3_DEFERRED BIT(1)
#define TDES3_UNDERFLOW_ERROR BIT(2)
#define TDES3_EXCESSIVE_DEFERRAL BIT(3)
#define TDES3_COLLISION_COUNT_MASK GENMASK(7, 4)
#define TDES3_COLLISION_COUNT_SHIFT 4
#define TDES3_EXCESSIVE_COLLISION BIT(8)
#define TDES3_LATE_COLLISION BIT(9)
#define TDES3_NO_CARRIER BIT(10)
#define TDES3_LOSS_CARRIER BIT(11)
#define TDES3_PAYLOAD_ERROR BIT(12)
#define TDES3_PACKET_FLUSHED BIT(13)
#define TDES3_JABBER_TIMEOUT BIT(14)
#define TDES3_ERROR_SUMMARY BIT(15)
#define TDES3_TIMESTAMP_STATUS BIT(17)
#define TDES3_TIMESTAMP_STATUS_SHIFT 17
/* TDES3 context */
#define TDES3_CTXT_TCMSSV BIT(26)
/* TDES3 Common */
#define TDES3_RS1V BIT(26)
#define TDES3_RS1V_SHIFT 26
#define TDES3_LAST_DESCRIPTOR BIT(28)
#define TDES3_LAST_DESCRIPTOR_SHIFT 28
#define TDES3_FIRST_DESCRIPTOR BIT(29)
#define TDES3_CONTEXT_TYPE BIT(30)
#define TDES3_CONTEXT_TYPE_SHIFT 30
/* TDS3 use for both format (read and write back) */
#define TDES3_OWN BIT(31)
#define TDES3_OWN_SHIFT 31
/* Normal receive descriptor defines (without split feature) */
/* RDES0 (write back format) */
#define RDES0_VLAN_TAG_MASK GENMASK(15, 0)
/* RDES1 (write back format) */
#define RDES1_IP_PAYLOAD_TYPE_MASK GENMASK(2, 0)
#define RDES1_IP_HDR_ERROR BIT(3)
#define RDES1_IPV4_HEADER BIT(4)
#define RDES1_IPV6_HEADER BIT(5)
#define RDES1_IP_CSUM_BYPASSED BIT(6)
#define RDES1_IP_CSUM_ERROR BIT(7)
#define RDES1_PTP_MSG_TYPE_MASK GENMASK(11, 8)
#define RDES1_PTP_PACKET_TYPE BIT(12)
#define RDES1_PTP_VER BIT(13)
#define RDES1_TIMESTAMP_AVAILABLE BIT(14)
#define RDES1_TIMESTAMP_AVAILABLE_SHIFT 14
#define RDES1_TIMESTAMP_DROPPED BIT(15)
#define RDES1_IP_TYPE1_CSUM_MASK GENMASK(31, 16)
/* RDES2 (write back format) */
#define RDES2_L3_L4_HEADER_SIZE_MASK GENMASK(9, 0)
#define RDES2_VLAN_FILTER_STATUS BIT(15)
#define RDES2_SA_FILTER_FAIL BIT(16)
#define RDES2_DA_FILTER_FAIL BIT(17)
#define RDES2_HASH_FILTER_STATUS BIT(18)
#define RDES2_MAC_ADDR_MATCH_MASK GENMASK(26, 19)
#define RDES2_HASH_VALUE_MATCH_MASK GENMASK(26, 19)
#define RDES2_L3_FILTER_MATCH BIT(27)
#define RDES2_L4_FILTER_MATCH BIT(28)
#define RDES2_L3_L4_FILT_NB_MATCH_MASK GENMASK(27, 26)
#define RDES2_L3_L4_FILT_NB_MATCH_SHIFT 26
/* RDES3 (write back format) */
#define RDES3_PACKET_SIZE_MASK GENMASK(14, 0)
#define RDES3_ERROR_SUMMARY BIT(15)
#define RDES3_PACKET_LEN_TYPE_MASK GENMASK(18, 16)
#define RDES3_DRIBBLE_ERROR BIT(19)
#define RDES3_RECEIVE_ERROR BIT(20)
#define RDES3_OVERFLOW_ERROR BIT(21)
#define RDES3_RECEIVE_WATCHDOG BIT(22)
#define RDES3_GIANT_PACKET BIT(23)
#define RDES3_CRC_ERROR BIT(24)
#define RDES3_RDES0_VALID BIT(25)
#define RDES3_RDES1_VALID BIT(26)
#define RDES3_RDES2_VALID BIT(27)
#define RDES3_LAST_DESCRIPTOR BIT(28)
#define RDES3_FIRST_DESCRIPTOR BIT(29)
#define RDES3_CONTEXT_DESCRIPTOR BIT(30)
#define RDES3_CONTEXT_DESCRIPTOR_SHIFT 30
/* RDES3 (read format) */
#define RDES3_BUFFER1_VALID_ADDR BIT(24)
#define RDES3_BUFFER2_VALID_ADDR BIT(25)
#define RDES3_INT_ON_COMPLETION_EN BIT(30)
/* TDS3 use for both format (read and write back) */
#define RDES3_OWN BIT(31)
#endif /* __DWMAC4_DESCS_H__ */
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