xref: /openbmc/linux/include/soc/mscc/ocelot_vcap.h (revision 8551cdeb)

/* SPDX-License-Identifier: (GPL-2.0 OR MIT)
 * Microsemi Ocelot Switch driver
 * Copyright (c) 2019 Microsemi Corporation
 */

#ifndef _OCELOT_VCAP_H_
#define _OCELOT_VCAP_H_

/* =================================================================
 *  VCAP Common
 * =================================================================
 */

enum {
	/* VCAP_IS1, */
	VCAP_IS2,
	/* VCAP_ES0, */
};

struct vcap_props {
	u16 tg_width; /* Type-group width (in bits) */
	u16 sw_count; /* Sub word count */
	u16 entry_count; /* Entry count */
	u16 entry_words; /* Number of entry words */
	u16 entry_width; /* Entry width (in bits) */
	u16 action_count; /* Action count */
	u16 action_words; /* Number of action words */
	u16 action_width; /* Action width (in bits) */
	u16 action_type_width; /* Action type width (in bits) */
	struct {
		u16 width; /* Action type width (in bits) */
		u16 count; /* Action type sub word count */
	} action_table[2];
	u16 counter_words; /* Number of counter words */
	u16 counter_width; /* Counter width (in bits) */
};

/* VCAP Type-Group values */
#define VCAP_TG_NONE 0 /* Entry is invalid */
#define VCAP_TG_FULL 1 /* Full entry */
#define VCAP_TG_HALF 2 /* Half entry */
#define VCAP_TG_QUARTER 3 /* Quarter entry */

/* =================================================================
 *  VCAP IS2
 * =================================================================
 */

/* IS2 half key types */
#define IS2_TYPE_ETYPE 0
#define IS2_TYPE_LLC 1
#define IS2_TYPE_SNAP 2
#define IS2_TYPE_ARP 3
#define IS2_TYPE_IP_UDP_TCP 4
#define IS2_TYPE_IP_OTHER 5
#define IS2_TYPE_IPV6 6
#define IS2_TYPE_OAM 7
#define IS2_TYPE_SMAC_SIP6 8
#define IS2_TYPE_ANY 100 /* Pseudo type */

/* IS2 half key type mask for matching any IP */
#define IS2_TYPE_MASK_IP_ANY 0xe

enum {
	IS2_ACTION_TYPE_NORMAL,
	IS2_ACTION_TYPE_SMAC_SIP,
	IS2_ACTION_TYPE_MAX,
};

/* IS2 MASK_MODE values */
#define IS2_ACT_MASK_MODE_NONE 0
#define IS2_ACT_MASK_MODE_FILTER 1
#define IS2_ACT_MASK_MODE_POLICY 2
#define IS2_ACT_MASK_MODE_REDIR 3

/* IS2 REW_OP values */
#define IS2_ACT_REW_OP_NONE 0
#define IS2_ACT_REW_OP_PTP_ONE 2
#define IS2_ACT_REW_OP_PTP_TWO 3
#define IS2_ACT_REW_OP_SPECIAL 8
#define IS2_ACT_REW_OP_PTP_ORG 9
#define IS2_ACT_REW_OP_PTP_ONE_SUB_DELAY_1 (IS2_ACT_REW_OP_PTP_ONE | (1 << 3))
#define IS2_ACT_REW_OP_PTP_ONE_SUB_DELAY_2 (IS2_ACT_REW_OP_PTP_ONE | (2 << 3))
#define IS2_ACT_REW_OP_PTP_ONE_ADD_DELAY (IS2_ACT_REW_OP_PTP_ONE | (1 << 5))
#define IS2_ACT_REW_OP_PTP_ONE_ADD_SUB BIT(7)

#define VCAP_PORT_WIDTH 4

/* IS2 quarter key - SMAC_SIP4 */
#define IS2_QKO_IGR_PORT 0
#define IS2_QKL_IGR_PORT VCAP_PORT_WIDTH
#define IS2_QKO_L2_SMAC (IS2_QKO_IGR_PORT + IS2_QKL_IGR_PORT)
#define IS2_QKL_L2_SMAC 48
#define IS2_QKO_L3_IP4_SIP (IS2_QKO_L2_SMAC + IS2_QKL_L2_SMAC)
#define IS2_QKL_L3_IP4_SIP 32

enum vcap_is2_half_key_field {
	/* Common */
	VCAP_IS2_TYPE,
	VCAP_IS2_HK_FIRST,
	VCAP_IS2_HK_PAG,
	VCAP_IS2_HK_RSV1,
	VCAP_IS2_HK_IGR_PORT_MASK,
	VCAP_IS2_HK_RSV2,
	VCAP_IS2_HK_HOST_MATCH,
	VCAP_IS2_HK_L2_MC,
	VCAP_IS2_HK_L2_BC,
	VCAP_IS2_HK_VLAN_TAGGED,
	VCAP_IS2_HK_VID,
	VCAP_IS2_HK_DEI,
	VCAP_IS2_HK_PCP,
	/* MAC_ETYPE / MAC_LLC / MAC_SNAP / OAM common */
	VCAP_IS2_HK_L2_DMAC,
	VCAP_IS2_HK_L2_SMAC,
	/* MAC_ETYPE (TYPE=000) */
	VCAP_IS2_HK_MAC_ETYPE_ETYPE,
	VCAP_IS2_HK_MAC_ETYPE_L2_PAYLOAD0,
	VCAP_IS2_HK_MAC_ETYPE_L2_PAYLOAD1,
	VCAP_IS2_HK_MAC_ETYPE_L2_PAYLOAD2,
	/* MAC_LLC (TYPE=001) */
	VCAP_IS2_HK_MAC_LLC_DMAC,
	VCAP_IS2_HK_MAC_LLC_SMAC,
	VCAP_IS2_HK_MAC_LLC_L2_LLC,
	/* MAC_SNAP (TYPE=010) */
	VCAP_IS2_HK_MAC_SNAP_SMAC,
	VCAP_IS2_HK_MAC_SNAP_DMAC,
	VCAP_IS2_HK_MAC_SNAP_L2_SNAP,
	/* MAC_ARP (TYPE=011) */
	VCAP_IS2_HK_MAC_ARP_SMAC,
	VCAP_IS2_HK_MAC_ARP_ADDR_SPACE_OK,
	VCAP_IS2_HK_MAC_ARP_PROTO_SPACE_OK,
	VCAP_IS2_HK_MAC_ARP_LEN_OK,
	VCAP_IS2_HK_MAC_ARP_TARGET_MATCH,
	VCAP_IS2_HK_MAC_ARP_SENDER_MATCH,
	VCAP_IS2_HK_MAC_ARP_OPCODE_UNKNOWN,
	VCAP_IS2_HK_MAC_ARP_OPCODE,
	VCAP_IS2_HK_MAC_ARP_L3_IP4_DIP,
	VCAP_IS2_HK_MAC_ARP_L3_IP4_SIP,
	VCAP_IS2_HK_MAC_ARP_DIP_EQ_SIP,
	/* IP4_TCP_UDP / IP4_OTHER common */
	VCAP_IS2_HK_IP4,
	VCAP_IS2_HK_L3_FRAGMENT,
	VCAP_IS2_HK_L3_FRAG_OFS_GT0,
	VCAP_IS2_HK_L3_OPTIONS,
	VCAP_IS2_HK_IP4_L3_TTL_GT0,
	VCAP_IS2_HK_L3_TOS,
	VCAP_IS2_HK_L3_IP4_DIP,
	VCAP_IS2_HK_L3_IP4_SIP,
	VCAP_IS2_HK_DIP_EQ_SIP,
	/* IP4_TCP_UDP (TYPE=100) */
	VCAP_IS2_HK_TCP,
	VCAP_IS2_HK_L4_SPORT,
	VCAP_IS2_HK_L4_DPORT,
	VCAP_IS2_HK_L4_RNG,
	VCAP_IS2_HK_L4_SPORT_EQ_DPORT,
	VCAP_IS2_HK_L4_SEQUENCE_EQ0,
	VCAP_IS2_HK_L4_URG,
	VCAP_IS2_HK_L4_ACK,
	VCAP_IS2_HK_L4_PSH,
	VCAP_IS2_HK_L4_RST,
	VCAP_IS2_HK_L4_SYN,
	VCAP_IS2_HK_L4_FIN,
	VCAP_IS2_HK_L4_1588_DOM,
	VCAP_IS2_HK_L4_1588_VER,
	/* IP4_OTHER (TYPE=101) */
	VCAP_IS2_HK_IP4_L3_PROTO,
	VCAP_IS2_HK_L3_PAYLOAD,
	/* IP6_STD (TYPE=110) */
	VCAP_IS2_HK_IP6_L3_TTL_GT0,
	VCAP_IS2_HK_IP6_L3_PROTO,
	VCAP_IS2_HK_L3_IP6_SIP,
	/* OAM (TYPE=111) */
	VCAP_IS2_HK_OAM_MEL_FLAGS,
	VCAP_IS2_HK_OAM_VER,
	VCAP_IS2_HK_OAM_OPCODE,
	VCAP_IS2_HK_OAM_FLAGS,
	VCAP_IS2_HK_OAM_MEPID,
	VCAP_IS2_HK_OAM_CCM_CNTS_EQ0,
	VCAP_IS2_HK_OAM_IS_Y1731,
};

struct vcap_field {
	int offset;
	int length;
};

enum vcap_is2_action_field {
	VCAP_IS2_ACT_HIT_ME_ONCE,
	VCAP_IS2_ACT_CPU_COPY_ENA,
	VCAP_IS2_ACT_CPU_QU_NUM,
	VCAP_IS2_ACT_MASK_MODE,
	VCAP_IS2_ACT_MIRROR_ENA,
	VCAP_IS2_ACT_LRN_DIS,
	VCAP_IS2_ACT_POLICE_ENA,
	VCAP_IS2_ACT_POLICE_IDX,
	VCAP_IS2_ACT_POLICE_VCAP_ONLY,
	VCAP_IS2_ACT_PORT_MASK,
	VCAP_IS2_ACT_REW_OP,
	VCAP_IS2_ACT_SMAC_REPLACE_ENA,
	VCAP_IS2_ACT_RSV,
	VCAP_IS2_ACT_ACL_ID,
	VCAP_IS2_ACT_HIT_CNT,
};

#endif /* _OCELOT_VCAP_H_ */