arch/arm/plat-feroceon/mv_drivers_lsp/mv_network/mv_ethernet/mv_eth_proc.c

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********************************************************************************
Marvell GPL License Option

If you received this File from Marvell, you may opt to use, redistribute and/or 
modify this File in accordance with the terms and conditions of the General 
Public License Version 2, June 1991 (the "GPL License"), a copy of which is 
available along with the File in the license.txt file or by writing to the Free 
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#include <linux/stddef.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/errno.h>
#include <linux/reboot.h>
#include <linux/pci.h>
#include <linux/kdev_t.h>
#include <linux/major.h>
#include <linux/console.h>
#include <linux/delay.h>
#include <linux/ide.h>
#include <linux/seq_file.h>

#include <asm/system.h>
#include <asm/dma.h>
#include <asm/io.h>

#include <linux/netdevice.h>
#include "mvCommon.h"
#include "mvOs.h"
#include "eth/gbe/mvEthGbe.h"
#include "ctrlEnv/mvCtrlEnvLib.h"
#include "mv_eth_proc.h"

#ifdef CONFIG_MV_ETH_NFP
#include "../nfp_mgr/mv_nfp_mgr.h"
#endif

#include "mv_netdev.h"

//#define MV_DEBUG
#ifdef MV_DEBUG
#define DP printk
#else
#define DP(fmt,args...)
#endif


/* global variables from 'regdump' */
static struct proc_dir_entry *mv_eth_tool;

static unsigned int port = 0, q = 0, weight = 0, status = 0, mac[6] = {0,};
static unsigned int policy =0, command = 0, packet = 0;
static unsigned int value = 0;

#ifdef CONFIG_MV_ETH_NFP
static unsigned int  dip, sip, inport, outport;
static unsigned int  da[6] = {0,}, sa[6] = {0,};
static unsigned int  db_type;
#endif /* CONFIG_MV_ETH_NFP */

void run_com_srq(void) 
{
    void* port_hndl = mvEthPortHndlGet(port);

    if(port_hndl == NULL)
        return;

    if(q >= MV_ETH_RX_Q_NUM)
	    q = -1;

    switch(packet) {
	case PT_BPDU:
		mvEthBpduRxQueue(port_hndl, q);
		break;
	case PT_ARP:
		mvEthArpRxQueue(port_hndl, q);
		break;
	case PT_TCP:
		mvEthTcpRxQueue(port_hndl, q);
		break;
	case PT_UDP:
		mvEthUdpRxQueue(port_hndl, q);
		break;
	default:
		printk("eth proc unknown packet type.\n");	
    }
	
}

extern void    		ethMcastAdd(int port, char* macStr, int queue);
void run_com_sq(void) {

    char mac_addr[20];

    if(q >= MV_ETH_RX_Q_NUM)
	    q = -1;
    
    sprintf(mac_addr, "%02x:%02x:%02x:%02x:%02x:%02x",mac[0],mac[1],mac[2],mac[3],mac[4],mac[5]);
    ethMcastAdd(port, mac_addr, q);
}

extern void    	ethPortStatus (int port);
extern void    	ethPortQueues( int port, int rxQueue, int txQueue, int mode);
extern void    	ethPortMcast(int port);
extern void    	ethPortUcastShow(int port);
extern void    	ethPortRegs(int port);
extern void     ethTxPolicyRegs(int port);
extern void    	ethPortCounters(int port);
extern void 	ethPortRmonCounters(int port);

#ifdef CONFIG_MV_ETH_NFP_DUAL
extern void    eth_remote_port_status_print(int port, int mode);
#endif

void run_com_stats(void) {
	printk("\n\n#########################################################################################\n\n");
	switch(status) {
		case STS_PORT:
			printk("  PORT %d: GET ETH STATUS\n\n",port);
            mv_eth_status_print(port);
			ethPortStatus(port);
			break;

        case STS_PORT_MAC:
            ethPortUcastShow(port);
			ethPortMcast(port);
            break;

		case STS_PORT_Q:
			printk("  PORT %d: GET ETH STATUS ON Q %d\n\n",port,q);
			ethPortQueues(port, q, q, 1);
			break;

#if (MV_ETH_RX_Q_NUM > 1)
		case STS_PORT_RXP:
			printk("  PORT %d: GET ETH RX POLICY STATUS\n\n",port);
			printk("Not supported\n");
			break;
#endif /* MV_ETH_RX_Q_NUM > 1 */

		case STS_PORT_TOS_MAP:
			mv_eth_tos_map_show(port);
			break;

		case STS_PORT_TXP:
			printk("  PORT %d: GET ETH TX POLICY STATUS\n\n",port);
			ethTxPolicyRegs(port);
			break;

		case STS_PORT_REGS:
			printk("  PORT %d: GET ETH PORT REGS STATUS\n\n",port);
			ethPortRegs(port);
			break;

		case STS_PORT_MIB:
			ethPortCounters(port);
			ethPortRmonCounters(port);	
			break;

		case STS_PORT_STATS:
			printk("  PORT %d: GET ETH STATISTIC STATUS\n\n",port);
			mv_eth_stats_print(port);
			break;

        case STS_NETDEV:
			mv_eth_netdev_print(port);
            break;

#ifdef CONFIG_MV_ETH_NFP
		case STS_PORT_NFP_STATS:
			printk("  PORT %d: NFP statistics\n\n",port);
			mv_eth_nfp_stats_print(port);
			break;
#endif /* CONFIG_MV_ETH_NFP */

#ifdef CONFIG_MV_GATEWAY
        case STS_SWITCH_STATS:
            mv_gtw_switch_stats(port);
            break;
#endif /* CONFIG_MV_GATEWAY */

		default:
			printk(" Unknown status command \n");
	}
#ifdef CONFIG_MV_ETH_NFP_DUAL
    eth_remote_port_status_print(port, status);
#endif
}

int run_eth_com(const char *buffer) {

    int scan_count;
    scan_count = sscanf(buffer, ETH_CMD_STRING, ETH_SCANF_LIST);
    if( scan_count != ETH_LIST_LEN) {
	printk("eth command bad format %x != %x\n", scan_count, ETH_LIST_LEN );
	return 1;
    }
    switch(command) {

        case COM_TXDONE_Q:
            mv_eth_tx_done_quota = value;
            break;

#ifdef CONFIG_MV_ETH_SKB_REUSE
        case COM_SKB_REUSE:
            eth_skb_reuse_enable = value;
            break;
#endif /* CONFIG_MV_ETH_SKB_REUSE */

#ifdef CONFIG_NET_SKB_RECYCLE
        case COM_SKB_RECYCLE:
            eth_skb_recycle_enable = value;
	    break;
#endif /* CONFIG_NET_SKB_RECYCLE */

#ifdef CONFIG_MV_ETH_NFP
        case COM_NFP:
	    if (value) 
	    {
		printk("Enabling NFP\n");
		fp_mgr_enable();
	    }
	    else
	    {
		printk("Disabling NFP\n");
		fp_mgr_disable();
	    }
            break;
#endif /* CONFIG_MV_ETH_NFP */

	default:
            printk(" Unknown ETH command \n");
    }
    return 0;
}

/* Giga Queue commands */
int run_port_queue_cmd(const char *buffer) {

        int scan_count;

        scan_count = sscanf(buffer, QUEUE_CMD_STRING, QUEUE_SCANF_LIST);

        if( scan_count != QUEUE_LIST_LEN) {
                printk("eth port/queue command bad format %x != %x\n", scan_count, QUEUE_LIST_LEN );
                return 1;
        }

        switch(command) {
		case COM_TOS_MAP:
			mv_eth_tos_map_set(port, value, q);
			break;
	
		default:
			printk(" Unknown port/queue command \n");
	}
	return 0;
}

/* Giga Port commands */
int run_port_com(const char *buffer) {

	int scan_count;
    void*   port_hndl;

	scan_count = sscanf(buffer, PORT_CMD_STRING, PORT_SCANF_LIST);
    
	if( scan_count != PORT_LIST_LEN) {
		printk("eth port command bad format %x != %x\n", scan_count, PORT_LIST_LEN );
		return 1;
	}
    if( (port < 0) || (port > mvCtrlEthMaxPortGet()) )
        return 1;

    port_hndl = mvEthPortHndlGet(port);
    if(port_hndl == NULL)
        return 1;

    	switch(command) {
        	case COM_RX_COAL:
            	mvEthRxCoalSet(mvEthPortHndlGet(port), value);
            	break;

        	case COM_TX_COAL:
            	mvEthTxCoalSet(mvEthPortHndlGet(port), value);
        	break;

#ifdef ETH_MV_TX_EN
            case COM_TX_EN:
                if(value > CONFIG_MV_ETH_NUM_OF_RX_DESCR)
            {
                    printk("Eth TX_EN command bad param: value=%d\n", value);
                return 1;
            }

                eth_tx_en_config(port, value);
            break;
#endif /* ETH_MV_TX_EN */

#if (MV_ETH_VERSION >= 4)
        	case COM_EJP_MODE:
            		mvEthEjpModeSet(mvEthPortHndlGet(port), value);
            	break;
#endif /* (MV_ETH_VERSION >= 4) */
			case COM_LRO:
				mv_eth_set_lro(port, value);
				break;
			case COM_LRO_DESC:
				mv_eth_set_lro_desc(port, value);
				break;

			case COM_TX_NOQUEUE:
				mv_eth_set_noqueue(port, value);
			break;

  		default:
			printk(" Unknown port command \n");
    	}
   	return 0;
}

#ifdef CONFIG_MV_ETH_NFP
int run_ip_rule_set_com(const char *buffer)
{
    int scan_count, i;
    MV_FP_RULE  ip_rule;
    MV_STATUS   status = MV_OK;

    scan_count = sscanf(buffer, IP_RULE_STRING, IP_RULE_SCANF_LIST);

    if( scan_count != IP_RULE_LIST_LEN) {
	printk("eth proc bad format %x != %x\n", scan_count, IP_RULE_LIST_LEN);
	return 1;
    }
    memset(&ip_rule, 0, sizeof(ip_rule));
    
    printk("run_ip_rule_set_com: dip=%08x, sip=%08x, inport=%d, outport=%d\n", 
            dip, sip, inport, outport);

    ip_rule.routingInfo.dstIp = MV_32BIT_BE(dip);
    ip_rule.routingInfo.srcIp = MV_32BIT_BE(sip);
    ip_rule.routingInfo.defGtwIp = MV_32BIT_BE(dip);
    ip_rule.routingInfo.inIfIndex = inport;
    ip_rule.routingInfo.outIfIndex = outport;
    ip_rule.routingInfo.aware_flags = 0;

    for(i=0; i<MV_MAC_ADDR_SIZE; i++)
    {
        ip_rule.routingInfo.dstMac[i] = (MV_U8)(da[i] & 0xFF);
        ip_rule.routingInfo.srcMac[i] = (MV_U8)(sa[i] & 0xFF);;
    }
    ip_rule.mgmtInfo.actionType = MV_FP_ROUTE_CMD;
    ip_rule.mgmtInfo.ruleType = MV_FP_STATIC_RULE;

    status = fp_rule_set(&ip_rule);
    if(status != MV_OK)
    {
        printk("fp_rule_set FAILED: status=%d\n", status);
    }
    return status;
}

int run_ip_rule_del_com(const char *buffer)
{
    int scan_count;
    MV_STATUS status = MV_OK;

    scan_count = sscanf(buffer, IP_RULE_DEL_STRING, IP_RULE_DEL_SCANF_LIST);

    if( scan_count != IP_RULE_DEL_LIST_LEN) {
	printk("eth proc bad format %x != %x\n", scan_count, IP_RULE_DEL_LIST_LEN);
	return 1;
    }

    status = fp_rule_delete(MV_32BIT_BE(sip), MV_32BIT_BE(dip), MV_FP_STATIC_RULE);
    if(status != MV_OK)
    {
        printk("fp_rule_delete FAILED: status=%d\n", status);
    }
    return status;
}

int run_fp_db_print_com(const char *buffer)
{
    int scan_count;
    MV_STATUS status = MV_OK;

    scan_count = sscanf(buffer, NFP_DB_PRINT_STRING, NFP_DB_PRINT_SCANF_LIST);

    if( scan_count != NFP_DB_PRINT_LIST_LEN) {
	    printk("eth proc bad format %x != %x\n", scan_count, NFP_DB_PRINT_LIST_LEN);
	    return 1;
    }

    if (db_type == DB_ROUTING)
	    status = fp_rule_db_print(MV_FP_DATABASE); 
#ifdef CONFIG_MV_ETH_NFP_NAT 
    else if (db_type == DB_NAT)
	    status = fp_nat_db_print(MV_FP_DATABASE);
#endif /* CONFIG_MV_ETH_NFP_NA */
#ifdef CONFIG_MV_ETH_NFP_FDB
    else if (db_type == DB_FDB)
            status = fp_fdb_db_print(MV_FP_DATABASE);
#endif /* CONFIG_MV_ETH_NFP_FDB */
#ifdef CONFIG_MV_ETH_NFP_PPP
    else if (db_type == DB_PPP)
            status = fp_ppp_db_print(MV_FP_DATABASE);
#endif /* CONFIG_MV_ETH_NFP_PPP */
#ifdef CONFIG_MV_ETH_NFP_SEC
    else if (db_type == DB_SEC)
            status = fp_sec_db_print(MV_FP_DATABASE);
#endif /* CONFIG_MV_ETH_NFP_SEC */
    else {
	    printk("Failed to print rule database: unknown DB type\n");
	    return 1;
    }
    return status;
}
#endif /* CONFIG_MV_ETH_NFP */

int run_com_general(const char *buffer) {

	int scan_count;

	scan_count = sscanf(buffer, PROC_STRING, PROC_SCANF_LIST);

	if( scan_count != LIST_LEN) {
		printk("eth proc bad format %x != %x\n", scan_count, LIST_LEN );
		return 1;
	}

	switch(command){
		case COM_SRQ:
			DP(" Port %x: Got SRQ command Q %x and packet type is %x <bpdu/arp/tcp/udp> \n",port,q,packet);
			run_com_srq();
			break;
		case COM_SQ:
			DP(" Port %x: Got SQ command Q %x mac %2x:%2x:%2x:%2x:%2x:%2x\n",port, q, 
				mac[0],  mac[1],  mac[2],  mac[3],  mac[4],  mac[5]);
			run_com_sq();
			break;

#if (MV_ETH_RX_Q_NUM > 1)
		case COM_SRP:
			DP(" Port %x: Got SRP command Q %x policy %x <Fixed/WRR> \n",port,q,policy); 
            printk("Not supported\n");
			break;
		case COM_SRQW:
			DP(" Port %x: Got SQRW command Q %x weight %x \n",port,q,weight);
			printk("Not supported\n");
			break;
		case COM_STP:
			DP("STP cmd - Unsupported: Port %x Q %x policy %x <WRR/FIXED> weight %x\n",port,q,policy,weight); 
			break;
#endif /* MV_ETH_RX_Q_NUM > 1 */

		case COM_STS:
			DP("  Port %x: Got STS command status %x\n",port,status);
			run_com_stats();
			break;
		default:
			printk("eth proc unknown command.\n");
	}
  	return 0;
}

int mv_eth_tool_write (struct file *file, const char *buffer,
                      unsigned long count, void *data) {

	sscanf(buffer,"%x",&command);

	switch (command) {
		case COM_RX_COAL:
		case COM_TX_COAL:
        	case COM_TX_EN:
        	case COM_EJP_MODE:
		case COM_TX_NOQUEUE:
		case COM_LRO:
		case COM_LRO_DESC:
			run_port_com(buffer);
			break;
		case COM_TXDONE_Q:
        	case COM_SKB_REUSE:
                case COM_SKB_RECYCLE:
		case COM_NFP:
			run_eth_com(buffer);
			break;

		case COM_TOS_MAP:
            run_port_queue_cmd(buffer);
			break;

#ifdef CONFIG_MV_ETH_NFP
		case COM_IP_RULE_SET:
			run_ip_rule_set_com(buffer);
			break;
		case COM_IP_RULE_DEL:
			run_ip_rule_del_com(buffer);
			break;
		case COM_NFP_STATUS:
			fp_mgr_status();
			break;
		case COM_NFP_PRINT:
			run_fp_db_print_com(buffer);
			break;
#endif /* CONFIG_MV_ETH_NFP */

		default:
			run_com_general(buffer);
			break;
	}
	return count;
}

static int proc_calc_metrics(char *page, char **start, off_t off,
                                 int count, int *eof, int len)
{
        if (len <= off+count) *eof = 1;
        *start = page + off;
        len -= off;
        if (len>count) len = count;
        if (len<0) len = 0;
        return len;
}



int mv_eth_tool_read (char *page, char **start, off_t off,
                            int count, int *eof, void *data) {
	unsigned int len = 0;

	//len  = sprintf(page, "\n");
	//len += sprintf(page+len, "\n");
	
   	return proc_calc_metrics(page, start, off, count, eof, len);
}



int __init start_mv_eth_tool(void)
{
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,26)
  mv_eth_tool = proc_net_create(FILE_NAME , 0666 , NULL);
#else
  mv_eth_tool = create_proc_entry(FILE_NAME , 0666 , init_net.proc_net);
#endif
  mv_eth_tool->read_proc = mv_eth_tool_read;
  mv_eth_tool->write_proc = mv_eth_tool_write;
  mv_eth_tool->nlink = 1;
  return 0;
}

module_init(start_mv_eth_tool);