/*
   <:copyright-BRCM:2018:DUAL/GPL:standard
   
      Copyright (c) 2018 Broadcom 
      All Rights Reserved
   
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License, version 2, as published by
   the Free Software Foundation (the "GPL").
   
   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
   
   
   A copy of the GPL is available at http://www.broadcom.com/licenses/GPLv2.php, or by
   writing to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.
   
   :>
 */

/*
 *  Created on: May/2018
 *      Author: steven.hsieh@broadcom.com
 */

#include "bcmenet_common.h"
#include "mux_index.h"

#include "sf2.h"
#include "sf2_common.h"

#include "enet_archer.h"

// =========== sf2 port ops =============================
static int port_sf2_port_init(enetx_port_t *self)
{
    if (mux_set_rx_index(self->p.parent_sw, self->p.port_id, self))
        return -1;

    /* also register demux at root for receive processing if port not on root sw */
    if (!PORT_ON_ROOT_SW(self))
        if (mux_set_rx_index(root_sw, self->p.port_id, self))
            return -1;

#ifdef CONFIG_BLOG
    self->n.blog_phy = BLOG_ENETPHY;
    self->n.blog_chnl = self->n.blog_chnl_rx = PHYSICAL_PORT_TO_LOGICAL_PORT(self->p.mac->mac_id, PORT_ON_ROOT_SW(self)?0:1);
    enet_dbgv("%s blog_chnl=%x\n", self->obj_name, self->n.blog_chnl);
#endif
    enet_dbg("Initialized %s role %s\n", self->obj_name, (self->n.port_netdev_role==PORT_NETDEV_ROLE_WAN)?"wan":"lan" );

    return 0;
}

// based on impl5\bcmenet_runner_inline.h:bcmeapi_pkt_xmt_dispatch()
static int dispatch_pkt_sf2_lan(dispatch_info_t *dispatch_info)
{
    int rc;
    /* TODO : hardcode the dispatch is through LAN interface for now */
    rc = cpu_queues_tx_send (LAN_CPU_TX, dispatch_info);

    if (rc < 0)
    {
        /* skb is already released by rdpa_cpu_tx_port_enet_lan() or cpu_queues_tx_send() */
        INC_STAT_DBG(dispatch_info->port,tx_dropped_accelerator_lan_fail);   /* don't increment tx_dropped, which is incremented by caller */
        return -1;
    }

    return 0;
}

// =========== sf2 switch ops ===========================
/* map SF2 external switch phyical port ID to rdpa_if */
static int port_sf2_sw_port_id_on_sw(port_info_t *port_info, int *port_id, port_type_t *port_type)
{
    *port_type = PORT_TYPE_SF2_PORT;
    *port_id = port_info->port;

    if (port_info->is_undef)
        *port_type = PORT_TYPE_SF2_MAC;

    return 0;
}


sw_ops_t port_sf2_sw =
{
    .init = port_sf2_sw_init,
    .uninit = port_sf2_sw_uninit,
    .mux_port_rx = mux_get_rx_index,    // external switch does not have demux
//  .mux_port_tx = port_sf2_sw_mux,
    .mux_free = mux_index_sw_free,
    .stats_get = port_generic_stats_get,
    .port_id_on_sw = port_sf2_sw_port_id_on_sw,
    .hw_sw_state_set = port_sf2_sw_hw_sw_state_set,
    .hw_sw_state_get = port_sf2_sw_hw_sw_state_get,
    .config_trunk = port_sf2_sw_config_trunk,
    .update_pbvlan = port_sf2_sw_update_pbvlan,
    .rreg = extsw_rreg_wrap,
    .wreg = extsw_wreg_wrap,
    .fast_age = port_sf2_sw_fast_age,
};

port_ops_t port_sf2_port =
{
    .init = port_sf2_port_init,
    .dispatch_pkt = dispatch_pkt_sf2_lan,
    .stats_clear = port_generic_stats_clear,
#ifdef EMBEDDED_BRCMTAG_TX_INSERT
    .tx_pkt_mod = port_sf2_tx_pkt_mod,  /* insert brcm tag for port on external switch */
#endif
    .stats_get = port_generic_stats_get,
    .pause_get = port_generic_pause_get,
    .pause_set = port_generic_pause_set,
    .open = port_sf2_generic_open,
    .mtu_set = port_generic_mtu_set,
    .tx_q_remap = port_sf2_tx_q_remap,
    .mib_dump = port_sf2_mib_dump,
    .print_status = port_sf2_print_status,
    .role_set = port_sf2_port_role_set,
    .stp_set = port_sf2_port_stp_set,
    .fast_age = port_sf2_fast_age,
#if defined(CONFIG_NET_SWITCHDEV)
    .switchdev_ops = 
    {
        .switchdev_port_attr_get = sf2_switchdev_port_attr_get,
        .switchdev_port_attr_set = sf2_switchdev_port_attr_set, 
    }
#endif
};

port_ops_t port_sf2_port_mac =
{
    .stats_get = port_generic_stats_get,
    .stats_clear = port_generic_stats_clear,
    .pause_get = port_generic_pause_get,
    .pause_set = port_generic_pause_set,
    .mtu_set = port_generic_mtu_set,
    .mib_dump = port_sf2_mib_dump,
    .print_status = port_sf2_print_status,
};

int enetxapi_post_config(void)
{
    return enetxapi_post_sf2_config();
}