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/* SPDX-License-Identifier: (GPL-2.0 OR MIT) */
/*
* Driver for Microsemi VSC85xx PHYs
*
* Copyright (c) 2020 Microsemi Corporation
*/
#ifndef _MSCC_PHY_MACSEC_H_
#define _MSCC_PHY_MACSEC_H_
#include <net/macsec.h>
#define MSCC_MS_MAX_FLOWS 16
#define CONTROL_TYPE_EGRESS 0x6
#define CONTROL_TYPE_INGRESS 0xf
#define CONTROL_IV0 BIT(5)
#define CONTROL_IV1 BIT(6)
#define CONTROL_IV2 BIT(7)
#define CONTROL_UPDATE_SEQ BIT(13)
#define CONTROL_IV_IN_SEQ BIT(14)
#define CONTROL_ENCRYPT_AUTH BIT(15)
#define CONTROL_KEY_IN_CTX BIT(16)
#define CONTROL_CRYPTO_ALG(x) ((x) << 17)
#define CTRYPTO_ALG_AES_CTR_128 0x5
#define CTRYPTO_ALG_AES_CTR_192 0x6
#define CTRYPTO_ALG_AES_CTR_256 0x7
#define CONTROL_DIGEST_TYPE(x) ((x) << 21)
#define CONTROL_AUTH_ALG(x) ((x) << 23)
#define AUTH_ALG_AES_GHAS 0x4
#define CONTROL_AN(x) ((x) << 26)
#define CONTROL_SEQ_TYPE(x) ((x) << 28)
#define CONTROL_SEQ_MASK BIT(30)
#define CONTROL_CONTEXT_ID BIT(31)
enum mscc_macsec_destination_ports {
MSCC_MS_PORT_COMMON = 0,
MSCC_MS_PORT_RSVD = 1,
MSCC_MS_PORT_CONTROLLED = 2,
MSCC_MS_PORT_UNCONTROLLED = 3,
};
enum mscc_macsec_drop_actions {
MSCC_MS_ACTION_BYPASS_CRC = 0,
MSCC_MS_ACTION_BYPASS_BAD = 1,
MSCC_MS_ACTION_DROP = 2,
MSCC_MS_ACTION_BYPASS = 3,
};
enum mscc_macsec_flow_types {
MSCC_MS_FLOW_BYPASS = 0,
MSCC_MS_FLOW_DROP = 1,
MSCC_MS_FLOW_INGRESS = 2,
MSCC_MS_FLOW_EGRESS = 3,
};
enum mscc_macsec_validate_levels {
MSCC_MS_VALIDATE_DISABLED = 0,
MSCC_MS_VALIDATE_CHECK = 1,
MSCC_MS_VALIDATE_STRICT = 2,
};
enum macsec_bank {
FC_BUFFER = 0x04,
HOST_MAC = 0x05,
LINE_MAC = 0x06,
PROC_0 = 0x0e,
PROC_2 = 0x0f,
MACSEC_INGR = 0x38,
MACSEC_EGR = 0x3c,
};
struct macsec_flow {
struct list_head list;
enum mscc_macsec_destination_ports port;
enum macsec_bank bank;
u32 index;
int assoc_num;
bool has_transformation;
/* Highest takes precedence [0..15] */
u8 priority;
u8 key[MACSEC_MAX_KEY_LEN];
union {
struct macsec_rx_sa *rx_sa;
struct macsec_tx_sa *tx_sa;
};
/* Matching */
struct {
u8 sci:1;
u8 tagged:1;
u8 untagged:1;
u8 etype:1;
} match;
u16 etype;
/* Action */
struct {
u8 bypass:1;
u8 drop:1;
} action;
};
#define MSCC_EXT_PAGE_MACSEC_17 17
#define MSCC_EXT_PAGE_MACSEC_18 18
#define MSCC_EXT_PAGE_MACSEC_19 19
#define MSCC_PHY_MACSEC_19_REG_ADDR(x) (x)
#define MSCC_PHY_MACSEC_19_TARGET(x) ((x) << 12)
#define MSCC_PHY_MACSEC_19_READ BIT(14)
#define MSCC_PHY_MACSEC_19_CMD BIT(15)
#define MSCC_EXT_PAGE_MACSEC_20 20
#define MSCC_PHY_MACSEC_20_TARGET(x) (x)
#define MSCC_MS_XFORM_REC(x, y) (((x) << 5) + (y))
#define MSCC_MS_ENA_CFG 0x800
#define MSCC_MS_FC_CFG 0x804
#define MSCC_MS_SAM_MAC_SA_MATCH_LO(x) (0x1000 + ((x) << 4))
#define MSCC_MS_SAM_MAC_SA_MATCH_HI(x) (0x1001 + ((x) << 4))
#define MSCC_MS_SAM_MISC_MATCH(x) (0x1004 + ((x) << 4))
#define MSCC_MS_SAM_MATCH_SCI_LO(x) (0x1005 + ((x) << 4))
#define MSCC_MS_SAM_MATCH_SCI_HI(x) (0x1006 + ((x) << 4))
#define MSCC_MS_SAM_MASK(x) (0x1007 + ((x) << 4))
#define MSCC_MS_SAM_ENTRY_SET1 0x1808
#define MSCC_MS_SAM_ENTRY_CLEAR1 0x180c
#define MSCC_MS_SAM_FLOW_CTRL(x) (0x1c00 + (x))
#define MSCC_MS_SAM_CP_TAG 0x1e40
#define MSCC_MS_SAM_NM_FLOW_NCP 0x1e51
#define MSCC_MS_SAM_NM_FLOW_CP 0x1e52
#define MSCC_MS_MISC_CONTROL 0x1e5f
#define MSCC_MS_COUNT_CONTROL 0x3204
#define MSCC_MS_PARAMS2_IG_CC_CONTROL 0x3a10
#define MSCC_MS_PARAMS2_IG_CP_TAG 0x3a14
#define MSCC_MS_VLAN_MTU_CHECK(x) (0x3c40 + (x))
#define MSCC_MS_NON_VLAN_MTU_CHECK 0x3c48
#define MSCC_MS_PP_CTRL 0x3c4b
#define MSCC_MS_STATUS_CONTEXT_CTRL 0x3d02
#define MSCC_MS_INTR_CTRL_STATUS 0x3d04
#define MSCC_MS_BLOCK_CTX_UPDATE 0x3d0c
#define MSCC_MS_AIC_CTRL 0x3e02
/* MACSEC_ENA_CFG */
#define MSCC_MS_ENA_CFG_CLK_ENA BIT(0)
#define MSCC_MS_ENA_CFG_SW_RST BIT(1)
#define MSCC_MS_ENA_CFG_MACSEC_BYPASS_ENA BIT(8)
#define MSCC_MS_ENA_CFG_MACSEC_ENA BIT(9)
#define MSCC_MS_ENA_CFG_MACSEC_SPEED_MODE(x) ((x) << 10)
#define MSCC_MS_ENA_CFG_MACSEC_SPEED_MODE_M GENMASK(12, 10)
/* MACSEC_FC_CFG */
#define MSCC_MS_FC_CFG_FCBUF_ENA BIT(0)
#define MSCC_MS_FC_CFG_USE_PKT_EXPANSION_INDICATION BIT(1)
#define MSCC_MS_FC_CFG_LOW_THRESH(x) ((x) << 4)
#define MSCC_MS_FC_CFG_LOW_THRESH_M GENMASK(7, 4)
#define MSCC_MS_FC_CFG_HIGH_THRESH(x) ((x) << 8)
#define MSCC_MS_FC_CFG_HIGH_THRESH_M GENMASK(11, 8)
#define MSCC_MS_FC_CFG_LOW_BYTES_VAL(x) ((x) << 12)
#define MSCC_MS_FC_CFG_LOW_BYTES_VAL_M GENMASK(14, 12)
#define MSCC_MS_FC_CFG_HIGH_BYTES_VAL(x) ((x) << 16)
#define MSCC_MS_FC_CFG_HIGH_BYTES_VAL_M GENMASK(18, 16)
/* MSCC_MS_SAM_MAC_SA_MATCH_HI */
#define MSCC_MS_SAM_MAC_SA_MATCH_HI_ETYPE(x) ((x) << 16)
#define MSCC_MS_SAM_MAC_SA_MATCH_HI_ETYPE_M GENMASK(31, 16)
/* MACSEC_SAM_MISC_MATCH */
#define MSCC_MS_SAM_MISC_MATCH_VLAN_VALID BIT(0)
#define MSCC_MS_SAM_MISC_MATCH_QINQ_FOUND BIT(1)
#define MSCC_MS_SAM_MISC_MATCH_STAG_VALID BIT(2)
#define MSCC_MS_SAM_MISC_MATCH_QTAG_VALID BIT(3)
#define MSCC_MS_SAM_MISC_MATCH_VLAN_UP(x) ((x) << 4)
#define MSCC_MS_SAM_MISC_MATCH_VLAN_UP_M GENMASK(6, 4)
#define MSCC_MS_SAM_MISC_MATCH_CONTROL_PACKET BIT(7)
#define MSCC_MS_SAM_MISC_MATCH_UNTAGGED BIT(8)
#define MSCC_MS_SAM_MISC_MATCH_TAGGED BIT(9)
#define MSCC_MS_SAM_MISC_MATCH_BAD_TAG BIT(10)
#define MSCC_MS_SAM_MISC_MATCH_KAY_TAG BIT(11)
#define MSCC_MS_SAM_MISC_MATCH_SOURCE_PORT(x) ((x) << 12)
#define MSCC_MS_SAM_MISC_MATCH_SOURCE_PORT_M GENMASK(13, 12)
#define MSCC_MS_SAM_MISC_MATCH_PRIORITY(x) ((x) << 16)
#define MSCC_MS_SAM_MISC_MATCH_PRIORITY_M GENMASK(19, 16)
#define MSCC_MS_SAM_MISC_MATCH_AN(x) ((x) << 24)
#define MSCC_MS_SAM_MISC_MATCH_TCI(x) ((x) << 26)
/* MACSEC_SAM_MASK */
#define MSCC_MS_SAM_MASK_MAC_SA_MASK(x) (x)
#define MSCC_MS_SAM_MASK_MAC_SA_MASK_M GENMASK(5, 0)
#define MSCC_MS_SAM_MASK_MAC_DA_MASK(x) ((x) << 6)
#define MSCC_MS_SAM_MASK_MAC_DA_MASK_M GENMASK(11, 6)
#define MSCC_MS_SAM_MASK_MAC_ETYPE_MASK BIT(12)
#define MSCC_MS_SAM_MASK_VLAN_VLD_MASK BIT(13)
#define MSCC_MS_SAM_MASK_QINQ_FOUND_MASK BIT(14)
#define MSCC_MS_SAM_MASK_STAG_VLD_MASK BIT(15)
#define MSCC_MS_SAM_MASK_QTAG_VLD_MASK BIT(16)
#define MSCC_MS_SAM_MASK_VLAN_UP_MASK BIT(17)
#define MSCC_MS_SAM_MASK_VLAN_ID_MASK BIT(18)
#define MSCC_MS_SAM_MASK_SOURCE_PORT_MASK BIT(19)
#define MSCC_MS_SAM_MASK_CTL_PACKET_MASK BIT(20)
#define MSCC_MS_SAM_MASK_VLAN_UP_INNER_MASK BIT(21)
#define MSCC_MS_SAM_MASK_VLAN_ID_INNER_MASK BIT(22)
#define MSCC_MS_SAM_MASK_SCI_MASK BIT(23)
#define MSCC_MS_SAM_MASK_AN_MASK(x) ((x) << 24)
#define MSCC_MS_SAM_MASK_TCI_MASK(x) ((x) << 26)
/* MACSEC_SAM_FLOW_CTRL_EGR */
#define MSCC_MS_SAM_FLOW_CTRL_FLOW_TYPE(x) (x)
#define MSCC_MS_SAM_FLOW_CTRL_FLOW_TYPE_M GENMASK(1, 0)
#define MSCC_MS_SAM_FLOW_CTRL_DEST_PORT(x) ((x) << 2)
#define MSCC_MS_SAM_FLOW_CTRL_DEST_PORT_M GENMASK(3, 2)
#define MSCC_MS_SAM_FLOW_CTRL_RESV_4 BIT(4)
#define MSCC_MS_SAM_FLOW_CTRL_FLOW_CRYPT_AUTH BIT(5)
#define MSCC_MS_SAM_FLOW_CTRL_DROP_ACTION(x) ((x) << 6)
#define MSCC_MS_SAM_FLOW_CTRL_DROP_ACTION_M GENMASK(7, 6)
#define MSCC_MS_SAM_FLOW_CTRL_RESV_15_TO_8(x) ((x) << 8)
#define MSCC_MS_SAM_FLOW_CTRL_RESV_15_TO_8_M GENMASK(15, 8)
#define MSCC_MS_SAM_FLOW_CTRL_PROTECT_FRAME BIT(16)
#define MSCC_MS_SAM_FLOW_CTRL_REPLAY_PROTECT BIT(16)
#define MSCC_MS_SAM_FLOW_CTRL_SA_IN_USE BIT(17)
#define MSCC_MS_SAM_FLOW_CTRL_INCLUDE_SCI BIT(18)
#define MSCC_MS_SAM_FLOW_CTRL_USE_ES BIT(19)
#define MSCC_MS_SAM_FLOW_CTRL_USE_SCB BIT(20)
#define MSCC_MS_SAM_FLOW_CTRL_VALIDATE_FRAMES(x) ((x) << 19)
#define MSCC_MS_SAM_FLOW_CTRL_TAG_BYPASS_SIZE(x) ((x) << 21)
#define MSCC_MS_SAM_FLOW_CTRL_TAG_BYPASS_SIZE_M GENMASK(22, 21)
#define MSCC_MS_SAM_FLOW_CTRL_RESV_23 BIT(23)
#define MSCC_MS_SAM_FLOW_CTRL_CONFIDENTIALITY_OFFSET(x) ((x) << 24)
#define MSCC_MS_SAM_FLOW_CTRL_CONFIDENTIALITY_OFFSET_M GENMASK(30, 24)
#define MSCC_MS_SAM_FLOW_CTRL_CONF_PROTECT BIT(31)
/* MACSEC_SAM_CP_TAG */
#define MSCC_MS_SAM_CP_TAG_MAP_TBL(x) (x)
#define MSCC_MS_SAM_CP_TAG_MAP_TBL_M GENMASK(23, 0)
#define MSCC_MS_SAM_CP_TAG_DEF_UP(x) ((x) << 24)
#define MSCC_MS_SAM_CP_TAG_DEF_UP_M GENMASK(26, 24)
#define MSCC_MS_SAM_CP_TAG_STAG_UP_EN BIT(27)
#define MSCC_MS_SAM_CP_TAG_QTAG_UP_EN BIT(28)
#define MSCC_MS_SAM_CP_TAG_PARSE_QINQ BIT(29)
#define MSCC_MS_SAM_CP_TAG_PARSE_STAG BIT(30)
#define MSCC_MS_SAM_CP_TAG_PARSE_QTAG BIT(31)
/* MACSEC_SAM_NM_FLOW_NCP */
#define MSCC_MS_SAM_NM_FLOW_NCP_UNTAGGED_FLOW_TYPE(x) (x)
#define MSCC_MS_SAM_NM_FLOW_NCP_UNTAGGED_DEST_PORT(x) ((x) << 2)
#define MSCC_MS_SAM_NM_FLOW_NCP_UNTAGGED_DROP_ACTION(x) ((x) << 6)
#define MSCC_MS_SAM_NM_FLOW_NCP_TAGGED_FLOW_TYPE(x) ((x) << 8)
#define MSCC_MS_SAM_NM_FLOW_NCP_TAGGED_DEST_PORT(x) ((x) << 10)
#define MSCC_MS_SAM_NM_FLOW_NCP_TAGGED_DROP_ACTION(x) ((x) << 14)
#define MSCC_MS_SAM_NM_FLOW_NCP_BADTAG_FLOW_TYPE(x) ((x) << 16)
#define MSCC_MS_SAM_NM_FLOW_NCP_BADTAG_DEST_PORT(x) ((x) << 18)
#define MSCC_MS_SAM_NM_FLOW_NCP_BADTAG_DROP_ACTION(x) ((x) << 22)
#define MSCC_MS_SAM_NM_FLOW_NCP_KAY_FLOW_TYPE(x) ((x) << 24)
#define MSCC_MS_SAM_NM_FLOW_NCP_KAY_DEST_PORT(x) ((x) << 26)
#define MSCC_MS_SAM_NM_FLOW_NCP_KAY_DROP_ACTION(x) ((x) << 30)
/* MACSEC_SAM_NM_FLOW_CP */
#define MSCC_MS_SAM_NM_FLOW_CP_UNTAGGED_FLOW_TYPE(x) (x)
#define MSCC_MS_SAM_NM_FLOW_CP_UNTAGGED_DEST_PORT(x) ((x) << 2)
#define MSCC_MS_SAM_NM_FLOW_CP_UNTAGGED_DROP_ACTION(x) ((x) << 6)
#define MSCC_MS_SAM_NM_FLOW_CP_TAGGED_FLOW_TYPE(x) ((x) << 8)
#define MSCC_MS_SAM_NM_FLOW_CP_TAGGED_DEST_PORT(x) ((x) << 10)
#define MSCC_MS_SAM_NM_FLOW_CP_TAGGED_DROP_ACTION(x) ((x) << 14)
#define MSCC_MS_SAM_NM_FLOW_CP_BADTAG_FLOW_TYPE(x) ((x) << 16)
#define MSCC_MS_SAM_NM_FLOW_CP_BADTAG_DEST_PORT(x) ((x) << 18)
#define MSCC_MS_SAM_NM_FLOW_CP_BADTAG_DROP_ACTION(x) ((x) << 22)
#define MSCC_MS_SAM_NM_FLOW_CP_KAY_FLOW_TYPE(x) ((x) << 24)
#define MSCC_MS_SAM_NM_FLOW_CP_KAY_DEST_PORT(x) ((x) << 26)
#define MSCC_MS_SAM_NM_FLOW_CP_KAY_DROP_ACTION(x) ((x) << 30)
/* MACSEC_MISC_CONTROL */
#define MSCC_MS_MISC_CONTROL_MC_LATENCY_FIX(x) (x)
#define MSCC_MS_MISC_CONTROL_MC_LATENCY_FIX_M GENMASK(5, 0)
#define MSCC_MS_MISC_CONTROL_STATIC_BYPASS BIT(8)
#define MSCC_MS_MISC_CONTROL_NM_MACSEC_EN BIT(9)
#define MSCC_MS_MISC_CONTROL_VALIDATE_FRAMES(x) ((x) << 10)
#define MSCC_MS_MISC_CONTROL_VALIDATE_FRAMES_M GENMASK(11, 10)
#define MSCC_MS_MISC_CONTROL_XFORM_REC_SIZE(x) ((x) << 24)
#define MSCC_MS_MISC_CONTROL_XFORM_REC_SIZE_M GENMASK(25, 24)
/* MACSEC_COUNT_CONTROL */
#define MSCC_MS_COUNT_CONTROL_RESET_ALL BIT(0)
#define MSCC_MS_COUNT_CONTROL_DEBUG_ACCESS BIT(1)
#define MSCC_MS_COUNT_CONTROL_SATURATE_CNTRS BIT(2)
#define MSCC_MS_COUNT_CONTROL_AUTO_CNTR_RESET BIT(3)
/* MACSEC_PARAMS2_IG_CC_CONTROL */
#define MSCC_MS_PARAMS2_IG_CC_CONTROL_NON_MATCH_CTRL_ACT BIT(14)
#define MSCC_MS_PARAMS2_IG_CC_CONTROL_NON_MATCH_ACT BIT(15)
/* MACSEC_PARAMS2_IG_CP_TAG */
#define MSCC_MS_PARAMS2_IG_CP_TAG_MAP_TBL(x) (x)
#define MSCC_MS_PARAMS2_IG_CP_TAG_MAP_TBL_M GENMASK(23, 0)
#define MSCC_MS_PARAMS2_IG_CP_TAG_DEF_UP(x) ((x) << 24)
#define MSCC_MS_PARAMS2_IG_CP_TAG_DEF_UP_M GENMASK(26, 24)
#define MSCC_MS_PARAMS2_IG_CP_TAG_STAG_UP_EN BIT(27)
#define MSCC_MS_PARAMS2_IG_CP_TAG_QTAG_UP_EN BIT(28)
#define MSCC_MS_PARAMS2_IG_CP_TAG_PARSE_QINQ BIT(29)
#define MSCC_MS_PARAMS2_IG_CP_TAG_PARSE_STAG BIT(30)
#define MSCC_MS_PARAMS2_IG_CP_TAG_PARSE_QTAG BIT(31)
/* MACSEC_VLAN_MTU_CHECK */
#define MSCC_MS_VLAN_MTU_CHECK_MTU_COMPARE(x) (x)
#define MSCC_MS_VLAN_MTU_CHECK_MTU_COMPARE_M GENMASK(14, 0)
#define MSCC_MS_VLAN_MTU_CHECK_MTU_COMP_DROP BIT(15)
/* MACSEC_NON_VLAN_MTU_CHECK */
#define MSCC_MS_NON_VLAN_MTU_CHECK_NV_MTU_COMPARE(x) (x)
#define MSCC_MS_NON_VLAN_MTU_CHECK_NV_MTU_COMPARE_M GENMASK(14, 0)
#define MSCC_MS_NON_VLAN_MTU_CHECK_NV_MTU_COMP_DROP BIT(15)
/* MACSEC_PP_CTRL */
#define MSCC_MS_PP_CTRL_MACSEC_OCTET_INCR_MODE BIT(0)
/* MACSEC_INTR_CTRL_STATUS */
#define MSCC_MS_INTR_CTRL_STATUS_INTR_CLR_STATUS(x) (x)
#define MSCC_MS_INTR_CTRL_STATUS_INTR_CLR_STATUS_M GENMASK(15, 0)
#define MSCC_MS_INTR_CTRL_STATUS_INTR_ENABLE(x) ((x) << 16)
#define MSCC_MS_INTR_CTRL_STATUS_INTR_ENABLE_M GENMASK(31, 16)
#define MACSEC_INTR_CTRL_STATUS_ROLLOVER BIT(5)
#endif /* _MSCC_PHY_MACSEC_H_ */
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