--- /dev/null
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(C) 2021 Marvell.
+ */
+
+#ifndef _ROC_NPC_H_
+#define _ROC_NPC_H_
+
+#include <sys/queue.h>
+
+enum roc_npc_item_type {
+ ROC_NPC_ITEM_TYPE_VOID,
+ ROC_NPC_ITEM_TYPE_ANY,
+ ROC_NPC_ITEM_TYPE_ETH,
+ ROC_NPC_ITEM_TYPE_VLAN,
+ ROC_NPC_ITEM_TYPE_E_TAG,
+ ROC_NPC_ITEM_TYPE_IPV4,
+ ROC_NPC_ITEM_TYPE_IPV6,
+ ROC_NPC_ITEM_TYPE_ARP_ETH_IPV4,
+ ROC_NPC_ITEM_TYPE_MPLS,
+ ROC_NPC_ITEM_TYPE_ICMP,
+ ROC_NPC_ITEM_TYPE_IGMP,
+ ROC_NPC_ITEM_TYPE_UDP,
+ ROC_NPC_ITEM_TYPE_TCP,
+ ROC_NPC_ITEM_TYPE_SCTP,
+ ROC_NPC_ITEM_TYPE_ESP,
+ ROC_NPC_ITEM_TYPE_GRE,
+ ROC_NPC_ITEM_TYPE_NVGRE,
+ ROC_NPC_ITEM_TYPE_VXLAN,
+ ROC_NPC_ITEM_TYPE_GTPC,
+ ROC_NPC_ITEM_TYPE_GTPU,
+ ROC_NPC_ITEM_TYPE_GENEVE,
+ ROC_NPC_ITEM_TYPE_VXLAN_GPE,
+ ROC_NPC_ITEM_TYPE_IPV6_EXT,
+ ROC_NPC_ITEM_TYPE_GRE_KEY,
+ ROC_NPC_ITEM_TYPE_HIGIG2,
+ ROC_NPC_ITEM_TYPE_CPT_HDR,
+ ROC_NPC_ITEM_TYPE_L3_CUSTOM,
+ ROC_NPC_ITEM_TYPE_QINQ,
+ ROC_NPC_ITEM_TYPE_END,
+};
+
+struct roc_npc_item_info {
+ enum roc_npc_item_type type; /* Item type */
+ uint32_t size; /* item size */
+ const void *spec; /**< Pointer to item specification structure. */
+ const void *mask; /**< Bit-mask applied to spec and last. */
+ const void *last; /* For range */
+};
+
+#define ROC_NPC_MAX_ACTION_COUNT 12
+
+enum roc_npc_action_type {
+ ROC_NPC_ACTION_TYPE_END = (1 << 0),
+ ROC_NPC_ACTION_TYPE_VOID = (1 << 1),
+ ROC_NPC_ACTION_TYPE_MARK = (1 << 2),
+ ROC_NPC_ACTION_TYPE_FLAG = (1 << 3),
+ ROC_NPC_ACTION_TYPE_DROP = (1 << 4),
+ ROC_NPC_ACTION_TYPE_QUEUE = (1 << 5),
+ ROC_NPC_ACTION_TYPE_RSS = (1 << 6),
+ ROC_NPC_ACTION_TYPE_DUP = (1 << 7),
+ ROC_NPC_ACTION_TYPE_SEC = (1 << 8),
+ ROC_NPC_ACTION_TYPE_COUNT = (1 << 9),
+ ROC_NPC_ACTION_TYPE_PF = (1 << 10),
+ ROC_NPC_ACTION_TYPE_VF = (1 << 11),
+};
+
+struct roc_npc_action {
+ enum roc_npc_action_type type; /**< Action type. */
+ const void *conf; /**< Pointer to action configuration object. */
+};
+
+struct roc_npc_action_mark {
+ uint32_t id; /**< Integer value to return with packets. */
+};
+
+struct roc_npc_action_vf {
+ uint32_t original : 1; /**< Use original VF ID if possible. */
+ uint32_t reserved : 31; /**< Reserved, must be zero. */
+ uint32_t id; /**< VF ID. */
+};
+
+struct roc_npc_action_queue {
+ uint16_t index; /**< Queue index to use. */
+};
+
+struct roc_npc_attr {
+ uint32_t priority; /**< Rule priority level within group. */
+ uint32_t ingress : 1; /**< Rule applies to ingress traffic. */
+ uint32_t egress : 1; /**< Rule applies to egress traffic. */
+ uint32_t reserved : 30; /**< Reserved, must be zero. */
+};
+
+struct roc_npc_flow {
+ uint8_t nix_intf;
+ uint8_t enable;
+ uint32_t mcam_id;
+ int32_t ctr_id;
+ uint32_t priority;
+#define ROC_NPC_MAX_MCAM_WIDTH_DWORDS 7
+ /* Contiguous match string */
+ uint64_t mcam_data[ROC_NPC_MAX_MCAM_WIDTH_DWORDS];
+ uint64_t mcam_mask[ROC_NPC_MAX_MCAM_WIDTH_DWORDS];
+ uint64_t npc_action;
+ uint64_t vtag_action;
+
+ TAILQ_ENTRY(roc_npc_flow) next;
+};
+
+enum roc_npc_intf {
+ ROC_NPC_INTF_RX = 0,
+ ROC_NPC_INTF_TX = 1,
+ ROC_NPC_INTF_MAX = 2,
+};
+
+struct roc_npc {
+ struct roc_nix *roc_nix;
+ uint8_t switch_header_type;
+ uint16_t flow_prealloc_size;
+ uint16_t flow_max_priority;
+ uint16_t channel;
+ uint16_t pf_func;
+ uint64_t kex_capability;
+ uint64_t rx_parse_nibble;
+
+#define ROC_NPC_MEM_SZ (5 * 1024)
+ uint8_t reserved[ROC_NPC_MEM_SZ];
+} __plt_cache_aligned;
+
+#endif /* _ROC_NPC_H_ */
--- /dev/null
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(C) 2021 Marvell.
+ */
+
+#ifndef _ROC_NPC_PRIV_H_
+#define _ROC_NPC_PRIV_H_
+
+#define NPC_IH_LENGTH 8
+#define NPC_TPID_LENGTH 2
+#define NPC_HIGIG2_LENGTH 16
+#define NPC_COUNTER_NONE (-1)
+
+#define NPC_RSS_GRPS 8
+
+#define NPC_ACTION_FLAG_DEFAULT 0xffff
+
+#define NPC_PFVF_FUNC_MASK 0x3FF
+
+/* 32 bytes from LDATA_CFG & 32 bytes from FLAGS_CFG */
+#define NPC_MAX_EXTRACT_DATA_LEN (64)
+#define NPC_MAX_EXTRACT_HW_LEN (4 * NPC_MAX_EXTRACT_DATA_LEN)
+#define NPC_LDATA_LFLAG_LEN (16)
+#define NPC_MAX_KEY_NIBBLES (31)
+
+/* Nibble offsets */
+#define NPC_LAYER_KEYX_SZ (3)
+#define NPC_PARSE_KEX_S_LA_OFFSET (7)
+#define NPC_PARSE_KEX_S_LID_OFFSET(lid) \
+ ((((lid) - (NPC_LID_LA)) * NPC_LAYER_KEYX_SZ) + \
+ NPC_PARSE_KEX_S_LA_OFFSET)
+
+/* This mark value indicates flag action */
+#define NPC_FLOW_FLAG_VAL (0xffff)
+
+#define NPC_RX_ACT_MATCH_OFFSET (40)
+#define NPC_RX_ACT_MATCH_MASK (0xFFFF)
+
+#define NPC_RSS_ACT_GRP_OFFSET (20)
+#define NPC_RSS_ACT_ALG_OFFSET (56)
+#define NPC_RSS_ACT_GRP_MASK (0xFFFFF)
+#define NPC_RSS_ACT_ALG_MASK (0x1F)
+
+#define NPC_MCAM_KEX_FIELD_MAX 23
+#define NPC_MCAM_MAX_PROTO_FIELDS (NPC_MCAM_KEX_FIELD_MAX + 1)
+#define NPC_MCAM_KEY_X4_WORDS 7 /* Number of 64-bit words */
+
+#define NPC_RVUPF_MAX_9XXX 0x10 /* HRM: RVU_PRIV_CONST */
+#define NPC_RVUPF_MAX_10XX 0x20 /* HRM: RVU_PRIV_CONST */
+#define NPC_NIXLF_MAX 0x80 /* HRM: NIX_AF_CONST2 */
+#define NPC_MCAME_PER_PF 2 /* DRV: RSVD_MCAM_ENTRIES_PER_PF */
+#define NPC_MCAME_PER_LF 1 /* DRV: RSVD_MCAM_ENTRIES_PER_NIXLF */
+#define NPC_MCAME_RESVD_9XXX \
+ (NPC_NIXLF_MAX * NPC_MCAME_PER_LF + \
+ (NPC_RVUPF_MAX_9XXX - 1) * NPC_MCAME_PER_PF)
+
+#define NPC_MCAME_RESVD_10XX \
+ (NPC_NIXLF_MAX * NPC_MCAME_PER_LF + \
+ (NPC_RVUPF_MAX_10XX - 1) * NPC_MCAME_PER_PF)
+
+enum npc_err_status {
+ NPC_ERR_PARAM = -1024,
+ NPC_ERR_NO_MEM,
+ NPC_ERR_INVALID_SPEC,
+ NPC_ERR_INVALID_MASK,
+ NPC_ERR_INVALID_RANGE,
+ NPC_ERR_INVALID_KEX,
+ NPC_ERR_INVALID_SIZE,
+ NPC_ERR_INTERNAL,
+ NPC_ERR_MCAM_ALLOC,
+ NPC_ERR_ACTION_NOTSUP,
+ NPC_ERR_PATTERN_NOTSUP,
+};
+
+enum npc_mcam_intf { NPC_MCAM_RX, NPC_MCAM_TX };
+
+typedef union npc_kex_cap_terms_t {
+ struct {
+ /** Total length of received packet */
+ uint64_t len : 1;
+ /** Initial (outer) Ethertype only */
+ uint64_t ethtype_0 : 1;
+ /** Ethertype of most inner VLAN tag */
+ uint64_t ethtype_x : 1;
+ /** First VLAN ID (outer) */
+ uint64_t vlan_id_0 : 1;
+ /** Last VLAN ID (inner) */
+ uint64_t vlan_id_x : 1;
+ /** destination MAC address */
+ uint64_t dmac : 1;
+ /** IP Protocol or IPv6 Next Header */
+ uint64_t ip_proto : 1;
+ /** Destination UDP port, implies IPPROTO=17 */
+ uint64_t udp_dport : 1;
+ /** Destination TCP port implies IPPROTO=6 */
+ uint64_t tcp_dport : 1;
+ /** Source UDP Port */
+ uint64_t udp_sport : 1;
+ /** Source TCP port */
+ uint64_t tcp_sport : 1;
+ /** Source IP address */
+ uint64_t sip_addr : 1;
+ /** Destination IP address */
+ uint64_t dip_addr : 1;
+ /** Source IP address */
+ uint64_t sip6_addr : 1;
+ /** Destination IP address */
+ uint64_t dip6_addr : 1;
+ /** IPsec session identifier */
+ uint64_t ipsec_spi : 1;
+ /** NVGRE/VXLAN network identifier */
+ uint64_t ld_vni : 1;
+ /** Custom frame match rule. PMR offset is counted from
+ * the start of the packet.
+ */
+ uint64_t custom_frame : 1;
+ /** Custom layer 3 match rule. PMR offset is counted from
+ * the start of layer 3 in the packet.
+ */
+ uint64_t custom_l3 : 1;
+ /** IGMP Group address */
+ uint64_t igmp_grp_addr : 1;
+ /** ICMP identifier */
+ uint64_t icmp_id : 1;
+ /** ICMP type */
+ uint64_t icmp_type : 1;
+ /** ICMP code */
+ uint64_t icmp_code : 1;
+ /** Source SCTP port */
+ uint64_t sctp_sport : 1;
+ /** Destination SCTP port */
+ uint64_t sctp_dport : 1;
+ /** GTPU Tunnel endpoint identifier */
+ uint64_t gtpu_teid : 1;
+
+ } bit;
+ /** All bits of the bit field structure */
+ uint64_t all_bits;
+} npc_kex_cap_terms_t;
+
+struct npc_parse_item_info {
+ const void *def_mask; /* default mask */
+ void *hw_mask; /* hardware supported mask */
+ int len; /* length of item */
+ const void *spec; /* spec to use, NULL implies match any */
+ const void *mask; /* mask to use */
+ uint8_t hw_hdr_len; /* Extra data len at each layer*/
+};
+
+struct npc_parse_state {
+ struct npc *npc;
+ const struct roc_npc_item_info *pattern;
+ const struct roc_npc_item_info *last_pattern;
+ struct roc_npc_flow *flow;
+ uint8_t nix_intf;
+ uint8_t tunnel;
+ uint8_t terminate;
+ uint8_t layer_mask;
+ uint8_t lt[NPC_MAX_LID];
+ uint8_t flags[NPC_MAX_LID];
+ uint8_t *mcam_data; /* point to flow->mcam_data + key_len */
+ uint8_t *mcam_mask; /* point to flow->mcam_mask + key_len */
+ bool is_vf;
+};
+
+enum npc_kpu_parser_flag {
+ NPC_F_NA = 0,
+ NPC_F_PKI,
+ NPC_F_PKI_VLAN,
+ NPC_F_PKI_ETAG,
+ NPC_F_PKI_ITAG,
+ NPC_F_PKI_MPLS,
+ NPC_F_PKI_NSH,
+ NPC_F_ETYPE_UNK,
+ NPC_F_ETHER_VLAN,
+ NPC_F_ETHER_ETAG,
+ NPC_F_ETHER_ITAG,
+ NPC_F_ETHER_MPLS,
+ NPC_F_ETHER_NSH,
+ NPC_F_STAG_CTAG,
+ NPC_F_STAG_CTAG_UNK,
+ NPC_F_STAG_STAG_CTAG,
+ NPC_F_STAG_STAG_STAG,
+ NPC_F_QINQ_CTAG,
+ NPC_F_QINQ_CTAG_UNK,
+ NPC_F_QINQ_QINQ_CTAG,
+ NPC_F_QINQ_QINQ_QINQ,
+ NPC_F_BTAG_ITAG,
+ NPC_F_BTAG_ITAG_STAG,
+ NPC_F_BTAG_ITAG_CTAG,
+ NPC_F_BTAG_ITAG_UNK,
+ NPC_F_ETAG_CTAG,
+ NPC_F_ETAG_BTAG_ITAG,
+ NPC_F_ETAG_STAG,
+ NPC_F_ETAG_QINQ,
+ NPC_F_ETAG_ITAG,
+ NPC_F_ETAG_ITAG_STAG,
+ NPC_F_ETAG_ITAG_CTAG,
+ NPC_F_ETAG_ITAG_UNK,
+ NPC_F_ITAG_STAG_CTAG,
+ NPC_F_ITAG_STAG,
+ NPC_F_ITAG_CTAG,
+ NPC_F_MPLS_4_LABELS,
+ NPC_F_MPLS_3_LABELS,
+ NPC_F_MPLS_2_LABELS,
+ NPC_F_IP_HAS_OPTIONS,
+ NPC_F_IP_IP_IN_IP,
+ NPC_F_IP_6TO4,
+ NPC_F_IP_MPLS_IN_IP,
+ NPC_F_IP_UNK_PROTO,
+ NPC_F_IP_IP_IN_IP_HAS_OPTIONS,
+ NPC_F_IP_6TO4_HAS_OPTIONS,
+ NPC_F_IP_MPLS_IN_IP_HAS_OPTIONS,
+ NPC_F_IP_UNK_PROTO_HAS_OPTIONS,
+ NPC_F_IP6_HAS_EXT,
+ NPC_F_IP6_TUN_IP6,
+ NPC_F_IP6_MPLS_IN_IP,
+ NPC_F_TCP_HAS_OPTIONS,
+ NPC_F_TCP_HTTP,
+ NPC_F_TCP_HTTPS,
+ NPC_F_TCP_PPTP,
+ NPC_F_TCP_UNK_PORT,
+ NPC_F_TCP_HTTP_HAS_OPTIONS,
+ NPC_F_TCP_HTTPS_HAS_OPTIONS,
+ NPC_F_TCP_PPTP_HAS_OPTIONS,
+ NPC_F_TCP_UNK_PORT_HAS_OPTIONS,
+ NPC_F_UDP_VXLAN,
+ NPC_F_UDP_VXLAN_NOVNI,
+ NPC_F_UDP_VXLAN_NOVNI_NSH,
+ NPC_F_UDP_VXLANGPE,
+ NPC_F_UDP_VXLANGPE_NSH,
+ NPC_F_UDP_VXLANGPE_MPLS,
+ NPC_F_UDP_VXLANGPE_NOVNI,
+ NPC_F_UDP_VXLANGPE_NOVNI_NSH,
+ NPC_F_UDP_VXLANGPE_NOVNI_MPLS,
+ NPC_F_UDP_VXLANGPE_UNK,
+ NPC_F_UDP_VXLANGPE_NONP,
+ NPC_F_UDP_GTP_GTPC,
+ NPC_F_UDP_GTP_GTPU_G_PDU,
+ NPC_F_UDP_GTP_GTPU_UNK,
+ NPC_F_UDP_UNK_PORT,
+ NPC_F_UDP_GENEVE,
+ NPC_F_UDP_GENEVE_OAM,
+ NPC_F_UDP_GENEVE_CRI_OPT,
+ NPC_F_UDP_GENEVE_OAM_CRI_OPT,
+ NPC_F_GRE_NVGRE,
+ NPC_F_GRE_HAS_SRE,
+ NPC_F_GRE_HAS_CSUM,
+ NPC_F_GRE_HAS_KEY,
+ NPC_F_GRE_HAS_SEQ,
+ NPC_F_GRE_HAS_CSUM_KEY,
+ NPC_F_GRE_HAS_CSUM_SEQ,
+ NPC_F_GRE_HAS_KEY_SEQ,
+ NPC_F_GRE_HAS_CSUM_KEY_SEQ,
+ NPC_F_GRE_HAS_ROUTE,
+ NPC_F_GRE_UNK_PROTO,
+ NPC_F_GRE_VER1,
+ NPC_F_GRE_VER1_HAS_SEQ,
+ NPC_F_GRE_VER1_HAS_ACK,
+ NPC_F_GRE_VER1_HAS_SEQ_ACK,
+ NPC_F_GRE_VER1_UNK_PROTO,
+ NPC_F_TU_ETHER_UNK,
+ NPC_F_TU_ETHER_CTAG,
+ NPC_F_TU_ETHER_CTAG_UNK,
+ NPC_F_TU_ETHER_STAG_CTAG,
+ NPC_F_TU_ETHER_STAG_CTAG_UNK,
+ NPC_F_TU_ETHER_STAG,
+ NPC_F_TU_ETHER_STAG_UNK,
+ NPC_F_TU_ETHER_QINQ_CTAG,
+ NPC_F_TU_ETHER_QINQ_CTAG_UNK,
+ NPC_F_TU_ETHER_QINQ,
+ NPC_F_TU_ETHER_QINQ_UNK,
+ NPC_F_LAST /* has to be the last item */
+};
+
+#define NPC_ACTION_TERM \
+ (ROC_NPC_ACTION_TYPE_DROP | ROC_NPC_ACTION_TYPE_QUEUE | \
+ ROC_NPC_ACTION_TYPE_RSS | ROC_NPC_ACTION_TYPE_DUP | \
+ ROC_NPC_ACTION_TYPE_SEC)
+
+struct npc_xtract_info {
+ /* Length in bytes of pkt data extracted. len = 0
+ * indicates that extraction is disabled.
+ */
+ uint8_t len;
+ uint8_t hdr_off; /* Byte offset of proto hdr: extract_src */
+ uint8_t key_off; /* Byte offset in MCAM key where data is placed */
+ uint8_t enable; /* Extraction enabled or disabled */
+ uint8_t flags_enable; /* Flags extraction enabled */
+};
+
+/* Information for a given {LAYER, LTYPE} */
+struct npc_lid_lt_xtract_info {
+ /* Info derived from parser configuration */
+ uint16_t npc_proto; /* Network protocol identified */
+ uint8_t valid_flags_mask; /* Flags applicable */
+ uint8_t is_terminating : 1; /* No more parsing */
+ struct npc_xtract_info xtract[NPC_MAX_LD];
+};
+
+union npc_kex_ldata_flags_cfg {
+ struct {
+ uint64_t lid : 3;
+ uint64_t rvsd_62_1 : 61;
+ } s;
+
+ uint64_t i;
+};
+
+typedef struct npc_lid_lt_xtract_info npc_dxcfg_t[NPC_MAX_INTF][NPC_MAX_LID]
+ [NPC_MAX_LT];
+typedef struct npc_lid_lt_xtract_info npc_fxcfg_t[NPC_MAX_INTF][NPC_MAX_LD]
+ [NPC_MAX_LFL];
+typedef union npc_kex_ldata_flags_cfg npc_ld_flags_t[NPC_MAX_LD];
+
+/* MBOX_MSG_NPC_GET_DATAX_CFG Response */
+struct npc_get_datax_cfg {
+ /* NPC_AF_KEX_LDATA(0..1)_FLAGS_CFG */
+ union npc_kex_ldata_flags_cfg ld_flags[NPC_MAX_LD];
+ /* Extract information indexed with [LID][LTYPE] */
+ struct npc_lid_lt_xtract_info lid_lt_xtract[NPC_MAX_LID][NPC_MAX_LT];
+ /* Flags based extract indexed with [LDATA][FLAGS_LOWER_NIBBLE]
+ * Fields flags_ena_ld0, flags_ena_ld1 in
+ * struct npc_lid_lt_xtract_info indicate if this is applicable
+ * for a given {LAYER, LTYPE}
+ */
+ struct npc_xtract_info flag_xtract[NPC_MAX_LD][NPC_MAX_LT];
+};
+
+TAILQ_HEAD(npc_flow_list, roc_npc_flow);
+
+struct npc_mcam_ents_info {
+ /* Current max & min values of mcam index */
+ uint32_t max_id;
+ uint32_t min_id;
+ uint32_t free_ent;
+ uint32_t live_ent;
+};
+
+struct npc {
+ struct mbox *mbox; /* Mbox */
+ uint32_t keyx_supp_nmask[NPC_MAX_INTF]; /* nibble mask */
+ uint8_t profile_name[MKEX_NAME_LEN]; /* KEX profile name */
+ uint32_t keyx_len[NPC_MAX_INTF]; /* per intf key len in bits */
+ uint32_t datax_len[NPC_MAX_INTF]; /* per intf data len in bits */
+ uint32_t keyw[NPC_MAX_INTF]; /* max key + data len bits */
+ uint32_t mcam_entries; /* mcam entries supported */
+ uint16_t channel; /* RX Channel number */
+ uint32_t rss_grps; /* rss groups supported */
+ uint16_t flow_prealloc_size; /* Pre allocated mcam size */
+ uint16_t flow_max_priority; /* Max priority for flow */
+ uint16_t switch_header_type; /* Suppprted switch header type */
+ uint32_t mark_actions; /* Number of mark actions */
+ uint16_t pf_func; /* pf_func of device */
+ npc_dxcfg_t prx_dxcfg; /* intf, lid, lt, extract */
+ npc_fxcfg_t prx_fxcfg; /* Flag extract */
+ npc_ld_flags_t prx_lfcfg; /* KEX LD_Flags CFG */
+ /* mcam entry info per priority level: both free & in-use */
+ struct npc_mcam_ents_info *flow_entry_info;
+ /* Bitmap of free preallocated entries in ascending index &
+ * descending priority
+ */
+ struct plt_bitmap **free_entries;
+ /* Bitmap of free preallocated entries in descending index &
+ * ascending priority
+ */
+ struct plt_bitmap **free_entries_rev;
+ /* Bitmap of live entries in ascending index & descending priority */
+ struct plt_bitmap **live_entries;
+ /* Bitmap of live entries in descending index & ascending priority */
+ struct plt_bitmap **live_entries_rev;
+ /* Priority bucket wise tail queue of all npc_flow resources */
+ struct npc_flow_list *flow_list;
+ struct plt_bitmap *rss_grp_entries;
+};
+
+static inline struct npc *
+roc_npc_to_npc_priv(struct roc_npc *npc)
+{
+ return (struct npc *)npc->reserved;
+}
+#endif /* _ROC_NPC_PRIV_H_ */