root/sys/dev/vnic/thunder_bgx.h
/*
 * Copyright (C) 2015 Cavium Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 */

#ifndef THUNDER_BGX_H
#define THUNDER_BGX_H

#define MAX_BGX_THUNDER                 8 /* Max 4 nodes, 2 per node */
#define MAX_BGX_PER_CN88XX              2
#define MAX_LMAC_PER_BGX                4
#define MAX_BGX_CHANS_PER_LMAC          16
#define MAX_DMAC_PER_LMAC               8
#define MAX_FRAME_SIZE                  9216

#define MAX_DMAC_PER_LMAC_TNS_BYPASS_MODE       2

#define MAX_LMAC        (MAX_BGX_PER_CN88XX * MAX_LMAC_PER_BGX)

/* Registers */
#define BGX_CMRX_CFG                    0x00
#define  CMR_PKT_TX_EN                          (1UL << 13)
#define  CMR_PKT_RX_EN                          (1UL << 14)
#define  CMR_EN                                 (1UL << 15)
#define BGX_CMR_GLOBAL_CFG              0x08
#define  CMR_GLOBAL_CFG_FCS_STRIP               (1UL << 6)
#define BGX_CMRX_RX_ID_MAP              0x60
#define BGX_CMRX_RX_STAT0               0x70
#define BGX_CMRX_RX_STAT1               0x78
#define BGX_CMRX_RX_STAT2               0x80
#define BGX_CMRX_RX_STAT3               0x88
#define BGX_CMRX_RX_STAT4               0x90
#define BGX_CMRX_RX_STAT5               0x98
#define BGX_CMRX_RX_STAT6               0xA0
#define BGX_CMRX_RX_STAT7               0xA8
#define BGX_CMRX_RX_STAT8               0xB0
#define BGX_CMRX_RX_STAT9               0xB8
#define BGX_CMRX_RX_STAT10              0xC0
#define BGX_CMRX_RX_BP_DROP             0xC8
#define BGX_CMRX_RX_DMAC_CTL            0x0E8
#define BGX_CMR_RX_DMACX_CAM            0x200
#define  RX_DMACX_CAM_EN                        (1UL << 48)
#define  RX_DMACX_CAM_LMACID(x)                 (x << 49)
#define  RX_DMAC_COUNT                          32
#define BGX_CMR_RX_STREERING            0x300
#define  RX_TRAFFIC_STEER_RULE_COUNT            8
#define BGX_CMR_CHAN_MSK_AND            0x450
#define BGX_CMR_BIST_STATUS             0x460
#define BGX_CMR_RX_LMACS                0x468
#define BGX_CMRX_TX_STAT0               0x600
#define BGX_CMRX_TX_STAT1               0x608
#define BGX_CMRX_TX_STAT2               0x610
#define BGX_CMRX_TX_STAT3               0x618
#define BGX_CMRX_TX_STAT4               0x620
#define BGX_CMRX_TX_STAT5               0x628
#define BGX_CMRX_TX_STAT6               0x630
#define BGX_CMRX_TX_STAT7               0x638
#define BGX_CMRX_TX_STAT8               0x640
#define BGX_CMRX_TX_STAT9               0x648
#define BGX_CMRX_TX_STAT10              0x650
#define BGX_CMRX_TX_STAT11              0x658
#define BGX_CMRX_TX_STAT12              0x660
#define BGX_CMRX_TX_STAT13              0x668
#define BGX_CMRX_TX_STAT14              0x670
#define BGX_CMRX_TX_STAT15              0x678
#define BGX_CMRX_TX_STAT16              0x680
#define BGX_CMRX_TX_STAT17              0x688
#define BGX_CMR_TX_LMACS                0x1000

#define BGX_SPUX_CONTROL1               0x10000
#define  SPU_CTL_LOW_POWER                      (1UL << 11)
#define  SPU_CTL_LOOPBACK                       (1UL << 14)
#define  SPU_CTL_RESET                          (1UL << 15)
#define BGX_SPUX_STATUS1                0x10008
#define  SPU_STATUS1_RCV_LNK                    (1UL << 2)
#define BGX_SPUX_STATUS2                0x10020
#define  SPU_STATUS2_RCVFLT                     (1UL << 10)
#define BGX_SPUX_BX_STATUS              0x10028
#define  SPU_BX_STATUS_RX_ALIGN                 (1UL << 12)
#define BGX_SPUX_BR_STATUS1             0x10030
#define  SPU_BR_STATUS_BLK_LOCK                 (1UL << 0)
#define  SPU_BR_STATUS_RCV_LNK                  (1UL << 12)
#define BGX_SPUX_BR_PMD_CRTL            0x10068
#define  SPU_PMD_CRTL_TRAIN_EN                  (1UL << 1)
#define BGX_SPUX_BR_PMD_LP_CUP          0x10078
#define BGX_SPUX_BR_PMD_LD_CUP          0x10088
#define BGX_SPUX_BR_PMD_LD_REP          0x10090
#define BGX_SPUX_FEC_CONTROL            0x100A0
#define  SPU_FEC_CTL_FEC_EN                     (1UL << 0)
#define  SPU_FEC_CTL_ERR_EN                     (1UL << 1)
#define BGX_SPUX_AN_CONTROL             0x100C8
#define  SPU_AN_CTL_AN_EN                       (1UL << 12)
#define  SPU_AN_CTL_XNP_EN                      (1UL << 13)
#define BGX_SPUX_AN_ADV                 0x100D8
#define BGX_SPUX_MISC_CONTROL           0x10218
#define  SPU_MISC_CTL_INTLV_RDISP               (1UL << 10)
#define  SPU_MISC_CTL_RX_DIS                    (1UL << 12)
#define BGX_SPUX_INT                    0x10220 /* +(0..3) << 20 */
#define BGX_SPUX_INT_W1S                0x10228
#define BGX_SPUX_INT_ENA_W1C            0x10230
#define BGX_SPUX_INT_ENA_W1S            0x10238
#define BGX_SPU_DBG_CONTROL             0x10300
#define  SPU_DBG_CTL_AN_ARB_LINK_CHK_EN         (1UL << 18)
#define  SPU_DBG_CTL_AN_NONCE_MCT_DIS           (1UL << 29)

#define BGX_SMUX_RX_INT                 0x20000
#define BGX_SMUX_RX_JABBER              0x20030
#define BGX_SMUX_RX_CTL                 0x20048
#define  SMU_RX_CTL_STATUS                      (3UL << 0)
#define BGX_SMUX_TX_APPEND              0x20100
#define  SMU_TX_APPEND_FCS_D                    (1UL << 2)
#define BGX_SMUX_TX_MIN_PKT             0x20118
#define BGX_SMUX_TX_INT                 0x20140
#define BGX_SMUX_TX_CTL                 0x20178
#define  SMU_TX_CTL_DIC_EN                      (1UL << 0)
#define  SMU_TX_CTL_UNI_EN                      (1UL << 1)
#define  SMU_TX_CTL_LNK_STATUS                  (3UL << 4)
#define BGX_SMUX_TX_THRESH              0x20180
#define BGX_SMUX_CTL                    0x20200
#define  SMU_CTL_RX_IDLE                        (1UL << 0)
#define  SMU_CTL_TX_IDLE                        (1UL << 1)

#define BGX_GMP_PCS_MRX_CTL             0x30000
#define  PCS_MRX_CTL_RST_AN                     (1UL << 9)
#define  PCS_MRX_CTL_PWR_DN                     (1UL << 11)
#define  PCS_MRX_CTL_AN_EN                      (1UL << 12)
#define  PCS_MRX_CTL_LOOPBACK1                  (1UL << 14)
#define  PCS_MRX_CTL_RESET                      (1UL << 15)
#define BGX_GMP_PCS_MRX_STATUS          0x30008
#define  PCS_MRX_STATUS_AN_CPT                  (1UL << 5)
#define BGX_GMP_PCS_ANX_AN_RESULTS      0x30020
#define BGX_GMP_PCS_SGM_AN_ADV          0x30068
#define BGX_GMP_PCS_MISCX_CTL           0x30078
#define  PCS_MISC_CTL_GMX_ENO                   (1UL << 11)
#define  PCS_MISC_CTL_SAMP_PT_MASK      0x7FUL
#define BGX_GMP_GMI_PRTX_CFG            0x38020
#define  GMI_PORT_CFG_SPEED                     (1UL << 1)
#define  GMI_PORT_CFG_DUPLEX                    (1UL << 2)
#define  GMI_PORT_CFG_SLOT_TIME                 (1UL << 3)
#define  GMI_PORT_CFG_SPEED_MSB                 (1UL << 8)
#define BGX_GMP_GMI_RXX_JABBER          0x38038
#define BGX_GMP_GMI_TXX_THRESH          0x38210
#define BGX_GMP_GMI_TXX_APPEND          0x38218
#define BGX_GMP_GMI_TXX_SLOT            0x38220
#define BGX_GMP_GMI_TXX_BURST           0x38228
#define BGX_GMP_GMI_TXX_MIN_PKT         0x38240
#define BGX_GMP_GMI_TXX_SGMII_CTL       0x38300

#define BGX_MSIX_VEC_0_29_ADDR          0x400000 /* +(0..29) << 4 */
#define BGX_MSIX_VEC_0_29_CTL           0x400008
#define BGX_MSIX_PBA_0                  0x4F0000

/* MSI-X interrupts */
#define BGX_MSIX_VECTORS        30
#define BGX_LMAC_VEC_OFFSET     7
#define BGX_MSIX_VEC_SHIFT      4

#define CMRX_INT                0
#define SPUX_INT                1
#define SMUX_RX_INT             2
#define SMUX_TX_INT             3
#define GMPX_PCS_INT            4
#define GMPX_GMI_RX_INT         5
#define GMPX_GMI_TX_INT         6
#define CMR_MEM_INT             28
#define SPU_MEM_INT             29

#define LMAC_INTR_LINK_UP       (1 << 0)
#define LMAC_INTR_LINK_DOWN     (1 << 1)

/*  RX_DMAC_CTL configuration*/
enum MCAST_MODE {
                MCAST_MODE_REJECT,
                MCAST_MODE_ACCEPT,
                MCAST_MODE_CAM_FILTER,
                RSVD
};

#define BCAST_ACCEPT    1
#define CAM_ACCEPT      1

void octeon_mdiobus_force_mod_depencency(void);
void bgx_add_dmac_addr(uint64_t dmac, int node, int bgx_idx, int lmac);
unsigned bgx_get_map(int node);
int bgx_get_lmac_count(int node, int bgx);
const uint8_t *bgx_get_lmac_mac(int node, int bgx_idx, int lmacid);
void bgx_set_lmac_mac(int node, int bgx_idx, int lmacid, const uint8_t *mac);
void bgx_get_lmac_link_state(int node, int bgx_idx, int lmacid, void *status);
void bgx_lmac_internal_loopback(int node, int bgx_idx,
    int lmac_idx, boolean_t enable);
uint64_t bgx_get_rx_stats(int node, int bgx_idx, int lmac, int idx);
uint64_t bgx_get_tx_stats(int node, int bgx_idx, int lmac, int idx);
#define BGX_RX_STATS_COUNT 11
#define BGX_TX_STATS_COUNT 18

struct bgx_stats {
        uint64_t rx_stats[BGX_RX_STATS_COUNT];
        uint64_t tx_stats[BGX_TX_STATS_COUNT];
};

#define BGX_IN_PROMISCUOUS_MODE 1

enum LMAC_TYPE {
        BGX_MODE_SGMII = 0, /* 1 lane, 1.250 Gbaud */
        BGX_MODE_XAUI = 1,  /* 4 lanes, 3.125 Gbaud */
        BGX_MODE_DXAUI = 1, /* 4 lanes, 6.250 Gbaud */
        BGX_MODE_RXAUI = 2, /* 2 lanes, 6.250 Gbaud */
        BGX_MODE_XFI = 3,   /* 1 lane, 10.3125 Gbaud */
        BGX_MODE_XLAUI = 4, /* 4 lanes, 10.3125 Gbaud */
        BGX_MODE_10G_KR = 3,/* 1 lane, 10.3125 Gbaud */
        BGX_MODE_40G_KR = 4,/* 4 lanes, 10.3125 Gbaud */
};

enum qlm_mode {
        QLM_MODE_SGMII,         /* SGMII, each lane independent */
        QLM_MODE_XAUI_1X4,      /* 1 XAUI or DXAUI, 4 lanes */
        QLM_MODE_RXAUI_2X2,     /* 2 RXAUI, 2 lanes each */
        QLM_MODE_XFI_4X1,       /* 4 XFI, 1 lane each */
        QLM_MODE_XLAUI_1X4,     /* 1 XLAUI, 4 lanes each */
        QLM_MODE_10G_KR_4X1,    /* 4 10GBASE-KR, 1 lane each */
        QLM_MODE_40G_KR4_1X4,   /* 1 40GBASE-KR4, 4 lanes each */
};

#endif /* THUNDER_BGX_H */