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/**
* Copyright 2014 Freescale Semiconductor Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of Freescale Semiconductor nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
*
* ALTERNATIVELY, this software may be distributed under the terms of the
* GNU General Public License ("GPL") as published by the Free Software
* Foundation, either version 2 of that License or (at your option) any
* later version.
*
* THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``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 Freescale Semiconductor 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 __HARDWARE_DISTRIBUTION_H
#define __HARDWARE_DISTRIBUTION_H
#include <linux/of_platform.h>
#include "bonding.h"
#include "bond_3ad.h"
#include "bond_alb.h"
#include "lnxwrp_fm.h"
#include "offline_port.h"
#include "dpaa_eth.h"
#include "dpaa_eth_common.h"
/* FMD includes */
#include "error_ext.h"
#include "fm_pcd_ext.h"
#include "fm_cc.h"
#include "crc64.h"
#define OHFRIENDNAMSIZ 11 /* fman0-oh@1, ... fman1-oh@6 */
#define OHNODENAMSIZ 24 /* /fsl,dpaa/dpa-fman0-oh@1 */
#define BOND_OH_SUCCESS 0
#define BOND_OH_ERROR -1
#define NO_POLICY 0xFF /* this is a magic number */
#define FM1_GB0 0xffe4e0000
#define FM1_10G 0xffe4f0000
#define FM2_GB0 0xffe5e0000
#define FM2_10G 0xffe5f0000
#define DPA_FQ_TD 0x200000
/* There are 4 FMAN Ethernet Ports per T1040, 2 of them are for the
* Link Aggregation for the L2Swith trunk link, thus there are at
* most 2 ports left for the other Link Aggregation, this implies
* 2 MAX_BOND_CNT * SLAVES_PER_BOND = 4 FMAN Ethernet Ports.
* In fact,we only need numbers of offline port in a DTS:
* offline port count = min(FM_MAX_NUM_OF_OH_PORTS, MAX_BOND_CNT)
*/
#define MAX_BOND_CNT 2
#define SLAVES_PER_BOND 2
#ifdef CONFIG_HW_LAG_DEBUG
#define hw_lag_dbg(fmt, arg...) \
pr_info("LAG:[CPU %d ln %d fn %s] - " fmt, smp_processor_id(), \
__LINE__, __func__, ##arg)
#else
#define hw_lag_dbg(fmt, arg...) do {} while (0)
#endif
struct oh_port_priv {
uint16_t oh_channel_id;
struct dpa_oh_config_s *oh_config;
struct dpa_fq *pcd_fqs[SLAVES_PER_BOND];
struct dpa_fq *oh_defq, *oh_errq;
uint16_t p_oh_rcv_channel;
struct slave *slave[SLAVES_PER_BOND];
u32 pcd_fqids_base;
uint32_t fqid_pcderr, fqid_pcdconf, fqid_ohtxconf;
struct dpa_fq *oh_pcderrq, *oh_pcdconfq, *oh_txconfq;
/* init dynamic particular tx fqs of offline port for LAG xmit,
* does not reuse tx fqs initialized by offline port driver.
*/
struct dpa_fq *oh_tx_lag_fqs;
const phandle *p_oh_port_handle;
struct platform_device *oh_of_dev, *of_dev;
struct device *dpa_oh_dev, *oh_dev;
struct device_node *dpa_oh_node, *oh_node;
struct dpa_bp *tx_bp;
struct dpa_buffer_layout_s *tx_buf_layout;
uint8_t bpid; /**< External buffer pool id */
uint16_t bp_size; /**< External buffer pool buffer size */
int oh_en; /* enable or disable offline port's help at run-time */
unsigned char friendname[OHFRIENDNAMSIZ];
unsigned long cell_index;
bool allocated_pcd_mem;
bool applied_pcd;
t_Handle h_FmPcd;
t_Handle h_FmPort;
t_Handle h_NetEnv;
t_FmPcdNetEnvParams *netEnvParams;
t_FmPcdKgSchemeParams *scheme;
t_FmPortPcdParams *pcdParam;
t_FmPortPcdPrsParams *prsParam;
t_FmPortPcdKgParams *kgParam;
int numberof_pre_schemes;
};
enum e_dist_hdr {
L2_MAC = 0,
MAC_L3_IPV6,
MAC_L3_IPV4,
MAC_IPV6_TCP,
MAC_IPV6_UDP,
MAC_IPV4_TCP,
MAC_IPV4_UDP,
MAX_SCHEMES
};
extern struct oh_port_priv *poh;
extern int available_num_of_oh_ports;
int get_oh_info(void);
unsigned int to_which_oh_i_attached(struct oh_port_priv *current_poh);
bool are_all_slaves_linkup(struct bonding *bond);
int get_dcp_id_from_dpa_eth_port(struct net_device *netdev);
int export_oh_port_info_to_ceetm(struct bonding *bond, uint16_t *channel,
unsigned long *fman_dcpid, unsigned long *oh_offset,
unsigned long *cell_index);
int show_dpa_slave_info(struct bonding *bond, struct slave *slave);
int get_dpa_slave_info_ex(struct slave *slave, uint16_t *tx_channel,
struct qman_fq **egress_fq, u32 *first_fqid);
int enqueue_pkt_to_oh(struct bonding *bond, struct sk_buff *skb,
struct dpa_fq *ceetm_fq);
ssize_t bonding_show_offline_port_xmit_statistics(struct device *d,
struct device_attribute *attr, char *buf);
ssize_t bonding_show_offline_ports(struct device *d,
struct device_attribute *attr, char *buf);
ssize_t bonding_show_oh_needed_for_hw_distribution(struct device *d,
struct device_attribute *attr, char *buf);
ssize_t bonding_store_oh_needed_for_hw_distribution(struct device *d,
struct device_attribute *attr, const char *buffer,
size_t count);
ssize_t bonding_show_oh_enable(struct device *d,
struct device_attribute *attr, char *buf);
ssize_t bonding_store_oh_enable(struct device *d,
struct device_attribute *attr, const char *buffer,
size_t count);
int fill_oh_pcd_fqs_with_slave_info(struct bonding *bond, struct slave *slave);
int del_oh_pcd_fqs_with_slave_info(struct bonding *bond, struct slave *slave);
bool apply_pcd(struct bonding *bond, int new_xmit_policy);
int release_pcd_mem(struct bonding *bond);
int init_status(struct net_device *netdev);
void add_statistics(struct bonding *bond, struct rtnl_link_stats64 *stats);
#endif /* __HARDWARE_DISTRIBUTION_H */
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