drivers/net/ethernet/aquantia/atlantic/hw_atl2/hw_atl2_internal.h

/* SPDX-License-Identifier: GPL-2.0-only */
/* Atlantic Network Driver
 * Copyright (C) 2020 Marvell International Ltd.
 */

#ifndef HW_ATL2_INTERNAL_H
#define HW_ATL2_INTERNAL_H

#include "hw_atl2_utils.h"

#define HW_ATL2_MTU_JUMBO  16352U
#define HW_ATL2_MTU        1514U

#define HW_ATL2_TX_RINGS 4U
#define HW_ATL2_RX_RINGS 4U

#define HW_ATL2_RINGS_MAX 32U
#define HW_ATL2_TXD_SIZE       (16U)
#define HW_ATL2_RXD_SIZE       (16U)

#define HW_ATL2_MAC_UC   0U
#define HW_ATL2_MAC_MIN  1U
#define HW_ATL2_MAC_MAX  38U

/* interrupts */
#define HW_ATL2_ERR_INT 8U
#define HW_ATL2_INT_MASK  (0xFFFFFFFFU)

#define HW_ATL2_TXBUF_MAX              128U
#define HW_ATL2_RXBUF_MAX              192U

#define HW_ATL2_RSS_REDIRECTION_MAX 64U

#define HW_ATL2_TC_MAX 8U
#define HW_ATL2_RSS_MAX 8U

#define HW_ATL2_INTR_MODER_MAX  0x1FF
#define HW_ATL2_INTR_MODER_MIN  0xFF

#define HW_ATL2_MIN_RXD \
	(ALIGN(AQ_CFG_SKB_FRAGS_MAX + 1U, AQ_HW_RXD_MULTIPLE))
#define HW_ATL2_MIN_TXD \
	(ALIGN(AQ_CFG_SKB_FRAGS_MAX + 1U, AQ_HW_TXD_MULTIPLE))

#define HW_ATL2_MAX_RXD 8184U
#define HW_ATL2_MAX_TXD 8184U

#define HW_ATL2_FW_SM_ACT_RSLVR  0x3U

#define HW_ATL2_RPF_TAG_UC_OFFSET      0x0
#define HW_ATL2_RPF_TAG_ALLMC_OFFSET   0x6
#define HW_ATL2_RPF_TAG_ET_OFFSET      0x7
#define HW_ATL2_RPF_TAG_VLAN_OFFSET    0xA
#define HW_ATL2_RPF_TAG_UNTAG_OFFSET   0xE
#define HW_ATL2_RPF_TAG_L3_V4_OFFSET   0xF
#define HW_ATL2_RPF_TAG_L3_V6_OFFSET   0x12
#define HW_ATL2_RPF_TAG_L4_OFFSET      0x15
#define HW_ATL2_RPF_TAG_L4_FLEX_OFFSET 0x18
#define HW_ATL2_RPF_TAG_FLEX_OFFSET    0x1B
#define HW_ATL2_RPF_TAG_PCP_OFFSET     0x1D

#define HW_ATL2_RPF_TAG_UC_MASK    (0x0000003F << HW_ATL2_RPF_TAG_UC_OFFSET)
#define HW_ATL2_RPF_TAG_ALLMC_MASK (0x00000001 << HW_ATL2_RPF_TAG_ALLMC_OFFSET)
#define HW_ATL2_RPF_TAG_UNTAG_MASK (0x00000001 << HW_ATL2_RPF_TAG_UNTAG_OFFSET)
#define HW_ATL2_RPF_TAG_VLAN_MASK  (0x0000000F << HW_ATL2_RPF_TAG_VLAN_OFFSET)
#define HW_ATL2_RPF_TAG_ET_MASK    (0x00000007 << HW_ATL2_RPF_TAG_ET_OFFSET)
#define HW_ATL2_RPF_TAG_L3_V4_MASK (0x00000007 << HW_ATL2_RPF_TAG_L3_V4_OFFSET)
#define HW_ATL2_RPF_TAG_L3_V6_MASK (0x00000007 << HW_ATL2_RPF_TAG_L3_V6_OFFSET)
#define HW_ATL2_RPF_TAG_L4_MASK    (0x00000007 << HW_ATL2_RPF_TAG_L4_OFFSET)
#define HW_ATL2_RPF_TAG_PCP_MASK   (0x00000007 << HW_ATL2_RPF_TAG_PCP_OFFSET)

#define HW_ATL2_RPF_TAG_BASE_UC    BIT(HW_ATL2_RPF_TAG_UC_OFFSET)
#define HW_ATL2_RPF_TAG_BASE_ALLMC BIT(HW_ATL2_RPF_TAG_ALLMC_OFFSET)
#define HW_ATL2_RPF_TAG_BASE_UNTAG BIT(HW_ATL2_RPF_TAG_UNTAG_OFFSET)
#define HW_ATL2_RPF_TAG_BASE_VLAN  BIT(HW_ATL2_RPF_TAG_VLAN_OFFSET)

enum HW_ATL2_RPF_ART_INDEX {
	HW_ATL2_RPF_L2_PROMISC_OFF_INDEX,
	HW_ATL2_RPF_VLAN_PROMISC_OFF_INDEX,
	HW_ATL2_RPF_L3L4_USER_INDEX	= 8,
	HW_ATL2_RPF_ET_PCP_USER_INDEX	= HW_ATL2_RPF_L3L4_USER_INDEX + 16,
	HW_ATL2_RPF_VLAN_USER_INDEX	= HW_ATL2_RPF_ET_PCP_USER_INDEX + 16,
	HW_ATL2_RPF_PCP_TO_TC_INDEX	= HW_ATL2_RPF_VLAN_USER_INDEX +
					  HW_ATL_VLAN_MAX_FILTERS,
};

#define HW_ATL2_ACTION(ACTION, RSS, INDEX, VALID) \
	((((ACTION) & 0x3U) << 8) | \
	(((RSS) & 0x1U) << 7) | \
	(((INDEX) & 0x3FU) << 2) | \
	(((VALID) & 0x1U) << 0))

#define HW_ATL2_ACTION_DROP HW_ATL2_ACTION(0, 0, 0, 1)
#define HW_ATL2_ACTION_DISABLE HW_ATL2_ACTION(0, 0, 0, 0)
#define HW_ATL2_ACTION_ASSIGN_QUEUE(QUEUE) HW_ATL2_ACTION(1, 0, (QUEUE), 1)
#define HW_ATL2_ACTION_ASSIGN_TC(TC) HW_ATL2_ACTION(1, 1, (TC), 1)

enum HW_ATL2_RPF_RSS_HASH_TYPE {
	HW_ATL2_RPF_RSS_HASH_TYPE_NONE = 0,
	HW_ATL2_RPF_RSS_HASH_TYPE_IPV4 = BIT(0),
	HW_ATL2_RPF_RSS_HASH_TYPE_IPV4_TCP = BIT(1),
	HW_ATL2_RPF_RSS_HASH_TYPE_IPV4_UDP = BIT(2),
	HW_ATL2_RPF_RSS_HASH_TYPE_IPV6 = BIT(3),
	HW_ATL2_RPF_RSS_HASH_TYPE_IPV6_TCP = BIT(4),
	HW_ATL2_RPF_RSS_HASH_TYPE_IPV6_UDP = BIT(5),
	HW_ATL2_RPF_RSS_HASH_TYPE_IPV6_EX = BIT(6),
	HW_ATL2_RPF_RSS_HASH_TYPE_IPV6_EX_TCP = BIT(7),
	HW_ATL2_RPF_RSS_HASH_TYPE_IPV6_EX_UDP = BIT(8),
	HW_ATL2_RPF_RSS_HASH_TYPE_ALL = HW_ATL2_RPF_RSS_HASH_TYPE_IPV4 |
					HW_ATL2_RPF_RSS_HASH_TYPE_IPV4_TCP |
					HW_ATL2_RPF_RSS_HASH_TYPE_IPV4_UDP |
					HW_ATL2_RPF_RSS_HASH_TYPE_IPV6 |
					HW_ATL2_RPF_RSS_HASH_TYPE_IPV6_TCP |
					HW_ATL2_RPF_RSS_HASH_TYPE_IPV6_UDP |
					HW_ATL2_RPF_RSS_HASH_TYPE_IPV6_EX |
					HW_ATL2_RPF_RSS_HASH_TYPE_IPV6_EX_TCP |
					HW_ATL2_RPF_RSS_HASH_TYPE_IPV6_EX_UDP,
};

#define HW_ATL_MCAST_FLT_ANY_TO_HOST 0x00010FFFU

struct hw_atl2_priv {
	struct statistics_s last_stats;
	unsigned int art_base_index;
};

#endif /* HW_ATL2_INTERNAL_H */