rte_pmd_cnxk.h

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/* SPDX-License-Identifier: BSD-3-Clause
 * Copyright(C) 2022 Marvell.
 */

#ifndef _PMD_CNXK_H_
#define _PMD_CNXK_H_

#include <rte_compat.h>
#include <rte_ethdev.h>
#include <rte_ether.h>
#include <rte_security.h>

enum rte_pmd_cnxk_sec_action_alg {
    RTE_PMD_CNXK_SEC_ACTION_ALG0,
    RTE_PMD_CNXK_SEC_ACTION_ALG1,
    RTE_PMD_CNXK_SEC_ACTION_ALG2,
    RTE_PMD_CNXK_SEC_ACTION_ALG3,
    RTE_PMD_CNXK_SEC_ACTION_ALG4,
};

struct rte_pmd_cnxk_sec_action {
    uint32_t sa_index;
    bool sa_xor;
    uint16_t sa_hi, sa_lo;
    enum rte_pmd_cnxk_sec_action_alg alg;
};

#define RTE_PMD_CNXK_CTX_MAX_CKEY_LEN      32
#define RTE_PMD_CNXK_CTX_MAX_OPAD_IPAD_LEN 128

#define RTE_PMD_CNXK_AR_WIN_SIZE_MIN        64
#define RTE_PMD_CNXK_AR_WIN_SIZE_MAX        4096
#define RTE_PMD_CNXK_LOG_MIN_AR_WIN_SIZE_M1 5

#define RTE_PMD_CNXK_AR_WINBITS_SZ (RTE_ALIGN_CEIL(RTE_PMD_CNXK_AR_WIN_SIZE_MAX, 64) / 64)

union rte_pmd_cnxk_ipsec_outer_ip_hdr {
    struct {
        uint32_t dst_addr;
        uint32_t src_addr;
    } ipv4;
    struct {
        uint8_t src_addr[16];
        uint8_t dst_addr[16];
    } ipv6;
};

struct rte_pmd_cnxk_ipsec_inb_ctx_update_reg {
    uint64_t ar_base;
    uint64_t ar_valid_mask;
    uint64_t hard_life;
    uint64_t soft_life;
    uint64_t mib_octs;
    uint64_t mib_pkts;
    uint64_t ar_winbits[RTE_PMD_CNXK_AR_WINBITS_SZ];
};

union rte_pmd_cnxk_ipsec_outb_iv {
    uint64_t u64[2];
    uint8_t iv_dbg[16];
    struct {
        uint8_t iv_dbg1[4];
        uint8_t salt[4];

        uint32_t rsvd;
        uint8_t iv_dbg2[4];
    } s;
};

struct rte_pmd_cnxk_ipsec_outb_ctx_update_reg {
    union {
        struct {
            uint64_t reserved_0_2 : 3;
            uint64_t address : 57;
            uint64_t mode : 4;
        } s;
        uint64_t u64;
    } err_ctl;

    uint64_t esn_val;
    uint64_t hard_life;
    uint64_t soft_life;
    uint64_t mib_octs;
    uint64_t mib_pkts;
};

struct rte_pmd_cnxk_ipsec_inb_sa {
    union {
        struct {
            uint64_t ar_win : 3;
            uint64_t hard_life_dec : 1;
            uint64_t soft_life_dec : 1;

            uint64_t count_glb_octets : 1;
            uint64_t count_glb_pkts : 1;
            uint64_t count_mib_bytes : 1;

            uint64_t count_mib_pkts : 1;
            uint64_t hw_ctx_off : 7;

            uint64_t ctx_id : 16;

            uint64_t orig_pkt_fabs : 1;
            uint64_t orig_pkt_free : 1;
            uint64_t pkind : 6;

            uint64_t rsvd0 : 1;
            uint64_t et_ovrwr : 1;
            uint64_t pkt_output : 2;
            uint64_t pkt_format : 1;
            uint64_t defrag_opt : 2;
            uint64_t x2p_dst : 1;

            uint64_t ctx_push_size : 7;
            uint64_t rsvd1 : 1;

            uint64_t ctx_hdr_size : 2;
            uint64_t aop_valid : 1;
            uint64_t rsvd2 : 1;
            uint64_t ctx_size : 4;
        } s;
        uint64_t u64;
    } w0;

    union {
        struct {
            uint64_t orig_pkt_aura : 20;
            uint64_t rsvd3 : 4;
            uint64_t orig_pkt_foff : 8;
            uint64_t cookie : 32;
        } s;
        uint64_t u64;
    } w1;

    union {
        struct {
            uint64_t valid : 1;
            uint64_t dir : 1;
            uint64_t rsvd11 : 1;
            uint64_t rsvd4 : 1;
            uint64_t ipsec_mode : 1;
            uint64_t ipsec_protocol : 1;
            uint64_t aes_key_len : 2;

            uint64_t enc_type : 3;
            uint64_t life_unit : 1;
            uint64_t auth_type : 4;

            uint64_t encap_type : 2;
            uint64_t et_ovrwr_ddr_en : 1;
            uint64_t esn_en : 1;
            uint64_t tport_l4_incr_csum : 1;
            uint64_t ip_hdr_verify : 2;
            uint64_t udp_ports_verify : 1;

            uint64_t l3hdr_on_err : 1;
            uint64_t rsvd6 : 6;
            uint64_t rsvd12 : 1;

            uint64_t spi : 32;
        } s;
        uint64_t u64;
    } w2;

    uint64_t rsvd7;

    uint8_t cipher_key[RTE_PMD_CNXK_CTX_MAX_CKEY_LEN];

    union {
        struct {
            uint32_t rsvd8;
            uint8_t salt[4];
        } s;
        uint64_t u64;
    } w8;
    uint64_t rsvd9;

    union {
        struct {
            uint64_t rsvd10 : 32;
            uint64_t udp_src_port : 16;
            uint64_t udp_dst_port : 16;
        } s;
        uint64_t u64;
    } w10;

    union rte_pmd_cnxk_ipsec_outer_ip_hdr outer_hdr;

    uint8_t hmac_opad_ipad[RTE_PMD_CNXK_CTX_MAX_OPAD_IPAD_LEN];

    struct rte_pmd_cnxk_ipsec_inb_ctx_update_reg ctx;
};

struct rte_pmd_cnxk_ipsec_outb_sa {
    union {
        struct {
            uint64_t esn_en : 1;
            uint64_t ip_id : 1;
            uint64_t rsvd0 : 1;
            uint64_t hard_life_dec : 1;
            uint64_t soft_life_dec : 1;

            uint64_t count_glb_octets : 1;
            uint64_t count_glb_pkts : 1;
            uint64_t count_mib_bytes : 1;

            uint64_t count_mib_pkts : 1;
            uint64_t hw_ctx_off : 7;

            uint64_t ctx_id : 16;
            uint64_t rsvd1 : 16;

            uint64_t ctx_push_size : 7;
            uint64_t rsvd2 : 1;

            uint64_t ctx_hdr_size : 2;
            uint64_t aop_valid : 1;
            uint64_t rsvd3 : 1;
            uint64_t ctx_size : 4;
        } s;
        uint64_t u64;
    } w0;

    union {
        struct {
            uint64_t rsvd4 : 32;
            uint64_t cookie : 32;
        } s;
        uint64_t u64;
    } w1;

    union {
        struct {
            uint64_t valid : 1;
            uint64_t dir : 1;
            uint64_t rsvd11 : 1;
            uint64_t rsvd5 : 1;
            uint64_t ipsec_mode : 1;
            uint64_t ipsec_protocol : 1;

            uint64_t aes_key_len : 2;

            uint64_t enc_type : 3;
            uint64_t life_unit : 1;
            uint64_t auth_type : 4;

            uint64_t encap_type : 2;
            uint64_t ipv4_df_src_or_ipv6_flw_lbl_src : 1;
            uint64_t dscp_src : 1;
            uint64_t iv_src : 2;
            uint64_t ipid_gen : 1;
            uint64_t rsvd6 : 1;

            uint64_t rsvd7 : 7;
            uint64_t rsvd12 : 1;

            uint64_t spi : 32;
        } s;
        uint64_t u64;
    } w2;

    uint64_t rsvd8;

    uint8_t cipher_key[RTE_PMD_CNXK_CTX_MAX_CKEY_LEN];

    union rte_pmd_cnxk_ipsec_outb_iv iv;

    union {
        struct {
            uint64_t rsvd9 : 4;
            uint64_t ipv4_df_or_ipv6_flw_lbl : 20;

            uint64_t dscp : 6;
            uint64_t rsvd10 : 2;

            uint64_t udp_dst_port : 16;

            uint64_t udp_src_port : 16;
        } s;
        uint64_t u64;
    } w10;

    union rte_pmd_cnxk_ipsec_outer_ip_hdr outer_hdr;

    uint8_t hmac_opad_ipad[RTE_PMD_CNXK_CTX_MAX_OPAD_IPAD_LEN];

    struct rte_pmd_cnxk_ipsec_outb_ctx_update_reg ctx;
};

union rte_pmd_cnxk_ipsec_hw_sa {
    struct rte_pmd_cnxk_ipsec_inb_sa inb;
    struct rte_pmd_cnxk_ipsec_outb_sa outb;
};

__rte_experimental
int rte_pmd_cnxk_hw_sa_read(void *device, struct rte_security_session *sess,
                union rte_pmd_cnxk_ipsec_hw_sa *data, uint32_t len);
__rte_experimental
int rte_pmd_cnxk_hw_sa_write(void *device, struct rte_security_session *sess,
                 union rte_pmd_cnxk_ipsec_hw_sa *data, uint32_t len);

__rte_experimental
void *rte_pmd_cnxk_inl_ipsec_res(struct rte_mbuf *mbuf);
#endif /* _PMD_CNXK_H_ */