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/*
* ----------------------------------------------------------------
* Copyright c Realtek Semiconductor Corporation, 2002
* All rights reserved.
*
* $Header: /home/cvsroot/linux-2.6.19/linux-2.6.x/drivers/net/re865x/rtl865xc_swNic.h,v 1.3 2008/04/11 10:12:38 bo_zhao Exp $
*
* Abstract: Switch core polling mode NIC header file.
*
* $Author: bo_zhao $
*
* $Log: rtl865xc_swNic.h,v $
* Revision 1.3 2008/04/11 10:12:38 bo_zhao
* *: swap nic drive to 8186 style
*
* Revision 1.2 2007/11/11 02:51:27 davidhsu
* Fix the bug that do not fre rx skb in rx descriptor when driver is shutdown
*
* Revision 1.1.1.1 2007/08/06 10:04:52 root
* Initial import source to CVS
*
* Revision 1.4 2006/09/15 03:53:39 ghhuang
* +: Add TFTP download support for RTL8652 FPGA
*
* Revision 1.3 2005/09/22 05:22:31 bo_zhao
* *** empty log message ***
*
* Revision 1.1.1.1 2005/09/05 12:38:24 alva
* initial import for add TFTP server
*
* Revision 1.2 2004/03/31 01:49:20 yjlou
* *: all text files are converted to UNIX format.
*
* Revision 1.1 2004/03/16 06:36:13 yjlou
* *** empty log message ***
*
* Revision 1.1.1.1 2003/09/25 08:16:56 tony
* initial loader tree
*
* Revision 1.1.1.1 2003/05/07 08:16:07 danwu
* no message
*
* ---------------------------------------------------------------
*/
#ifndef RTL865XC_SWNIC_H
#define RTL865XC_SWNIC_H
#if defined(CONFIG_RTL_HW_QOS_SUPPORT)
//#define RTL_MULTIPLE_RX_TX_RING 1 /*enable multiple input queue(multiple rx ring)*/
#endif
#define RTL865X_SWNIC_RXRING_HW_PKTDESC 6
#if defined(CONFIG_RTL_819XD) || defined(CONFIG_RTL_8196E)
#define RTL865X_SWNIC_TXRING_HW_PKTDESC 4
#else
#define RTL865X_SWNIC_TXRING_HW_PKTDESC 2
#endif
#define RESERVERD_MBUF_RING_NUM 8
#if defined(CONFIG_RTL_NFJROM_MP)
#define MAX_PRE_ALLOC_RX_SKB 64
#define NUM_RX_PKTHDR_DESC 8
#define NUM_TX_PKTHDR_DESC 64
#define ETH_REFILL_THRESHOLD 8 // must < NUM_RX_PKTHDR_DESC
#elif defined(CONFIG_RTL_8198) && !defined(CONFIG_RTL_8198_AP_ROOT)
#define MAX_PRE_ALLOC_RX_SKB 512
#ifdef CONFIG_RTL_ULINKER
#define NUM_RX_PKTHDR_DESC 510
#else
#define NUM_RX_PKTHDR_DESC 512
#endif
#define NUM_TX_PKTHDR_DESC 1024
#define ETH_REFILL_THRESHOLD 8 // must < NUM_RX_PKTHDR_DESC
#else
#ifdef DELAY_REFILL_ETH_RX_BUF
#define MAX_PRE_ALLOC_RX_SKB 192
#define NUM_RX_PKTHDR_DESC 256
#define ETH_REFILL_THRESHOLD 8 // must < NUM_RX_PKTHDR_DESC
#else
#define MAX_PRE_ALLOC_RX_SKB 256
#define NUM_RX_PKTHDR_DESC 256
#endif
#define NUM_TX_PKTHDR_DESC 128
#endif
#if defined(RTL_MULTIPLE_RX_TX_RING)
#define RTL_CPU_QOS_ENABLED 1
#define RTL865X_SWNIC_RXRING_MAX_PKTDESC 6
#define RTL865X_SWNIC_TXRING_MAX_PKTDESC 2
#define RTL_CPU_RX_RING_NUM 4
/* By default, only using rxring 0 and rxring 5
* in order to make different between low/high
* priority
*/
#define NUM_RX_PKTHDR_DESC1 2
#define NUM_RX_PKTHDR_DESC2 2
#define NUM_RX_PKTHDR_DESC3 2
#define NUM_RX_PKTHDR_DESC4 2
#define NUM_RX_PKTHDR_DESC5 NUM_RX_PKTHDR_DESC
#define NUM_TX_PKTHDR_DESC1 NUM_TX_PKTHDR_DESC
#define ETH_REFILL_THRESHOLD1 0 // must < NUM_RX_PKTHDR_DESC1
#define ETH_REFILL_THRESHOLD2 0 // must < NUM_RX_PKTHDR_DESC2
#define ETH_REFILL_THRESHOLD3 0 // must < NUM_RX_PKTHDR_DESC3
#define ETH_REFILL_THRESHOLD4 0 // must < NUM_RX_PKTHDR_DESC4
#define ETH_REFILL_THRESHOLD5 ETH_REFILL_THRESHOLD // must < NUM_RX_PKTHDR_DESC5
#define QUEUEID0_RXRING_MAPPING 0x0000
#define QUEUEID1_RXRING_MAPPING 0x0000
#define QUEUEID2_RXRING_MAPPING 0x5555
#define QUEUEID3_RXRING_MAPPING 0x5555
#define QUEUEID4_RXRING_MAPPING 0x5555
#define QUEUEID5_RXRING_MAPPING 0x5555
#else
#define RTL865X_SWNIC_RXRING_MAX_PKTDESC 1
#define RTL865X_SWNIC_TXRING_MAX_PKTDESC 1
#define RTL_CPU_RX_RING_NUM 1
#define NUM_RX_PKTHDR_DESC1 2
#define NUM_RX_PKTHDR_DESC2 2
#define NUM_RX_PKTHDR_DESC3 2
#define NUM_RX_PKTHDR_DESC4 2
#define NUM_RX_PKTHDR_DESC5 2
#define NUM_TX_PKTHDR_DESC1 2
#define ETH_REFILL_THRESHOLD1 0 // must < NUM_RX_PKTHDR_DESC
#define ETH_REFILL_THRESHOLD2 0 // must < NUM_RX_PKTHDR_DESC
#define ETH_REFILL_THRESHOLD3 0 // must < NUM_RX_PKTHDR_DESC
#define ETH_REFILL_THRESHOLD4 0 // must < NUM_RX_PKTHDR_DESC
#define ETH_REFILL_THRESHOLD5 0 // must < NUM_RX_PKTHDR_DESC
#define QUEUEID0_RXRING_MAPPING 0
#define QUEUEID1_RXRING_MAPPING 0
#define QUEUEID2_RXRING_MAPPING 0
#define QUEUEID3_RXRING_MAPPING 0
#define QUEUEID4_RXRING_MAPPING 0
#define QUEUEID5_RXRING_MAPPING 0
#endif
#if defined(CONFIG_RTL_819XD) || defined(CONFIG_RTL_8196E)
#define NUM_TX_PKTHDR_DESC2 2
#define NUM_TX_PKTHDR_DESC3 2
#endif
/* refer to rtl865xc_swNic.c & rtl865xc_swNic.h
*/
#define UNCACHE_MASK 0x20000000
/* rxPreProcess */
#define RTL8651_CPU_PORT 0x07 /* in rtl8651_tblDrv.h */
#define _RTL865XB_EXTPORTMASKS 7
typedef struct {
uint16 vid;
uint16 pid;
uint16 len;
uint16 priority:3;
uint16 rxPri:3;
void* input;
struct dev_priv* priv;
uint32 isPdev;
#if defined(CONFIG_RTL_STP)
int8 isStpVirtualDev;
#endif
} rtl_nicRx_info;
typedef struct {
uint16 vid;
uint16 portlist;
uint16 srcExtPort;
uint16 flags;
uint32 txIdx:1;
#if defined(CONFIG_RTL_HW_QOS_SUPPORT) || defined(CONFIG_RTL_QOS_PATCH)|| defined(CONFIG_RTK_VOIP_QOS)
uint32 priority:3;
uint32 queueId:3;
#endif
#if defined(CONFIG_RTK_VLAN_WAN_TAG_SUPPORT)
uint16 tagport;
#endif
void *out_skb;
} rtl_nicTx_info;
#if defined(RTL_CPU_QOS_ENABLED)
#define RTL_NIC_QUEUE_LEN (32)
#define RTL_CPUQOS_PKTCNT_THRESHOLD (1000)
#define RTL_ASSIGN_RX_PRIORITY ((highestPriority<cpuQosHoldLow)?((totalLowQueueCnt<RTL_CPUQOS_PKTCNT_THRESHOLD)?highestPriority:cpuQosHoldLow):highestPriority)
typedef struct {
int cnt;
int start;
int end;
rtl_nicRx_info entry[RTL_NIC_QUEUE_LEN];
} rtl_queue_entry;
#else
#define RTL_ASSIGN_RX_PRIORITY 0
#endif
/* --------------------------------------------------------------------
* ROUTINE NAME - swNic_init
* --------------------------------------------------------------------
* FUNCTION: This service initializes the switch NIC.
* INPUT :
userNeedRxPkthdrRingCnt[RTL865X_SWNIC_RXRING_MAX_PKTDESC]: Number of Rx pkthdr descriptors. of each ring
userNeedRxMbufRingCnt: Number of Rx mbuf descriptors.
userNeedTxPkthdrRingCnt[RTL865X_SWNIC_TXRING_MAX_PKTDESC]: Number of Tx pkthdr descriptors. of each ring
clusterSize: Size of a mbuf cluster.
* OUTPUT : None.
* RETURN : Upon successful completion, the function returns ENOERR.
Otherwise,
EINVAL: Invalid argument.
* NOTE : None.
* -------------------------------------------------------------------*/
int32 swNic_init(uint32 userNeedRxPkthdrRingCnt[],
uint32 userNeedRxMbufRingCnt,
uint32 userNeedTxPkthdrRingCnt[],
uint32 clusterSize);
/* --------------------------------------------------------------------
* ROUTINE NAME - swNic_intHandler
* --------------------------------------------------------------------
* FUNCTION: This function is the NIC interrupt handler.
* INPUT :
intPending: Pending interrupts.
* OUTPUT : None.
* RETURN : None.
* NOTE : None.
* -------------------------------------------------------------------*/
void swNic_intHandler(uint32 intPending);
int32 swNic_flushRxRingByPriority(int priority);
__MIPS16 __IRAM_FWD int32 swNic_receive(rtl_nicRx_info *info, int retryCount);
int32 swNic_send(void *skb, void * output, uint32 len, rtl_nicTx_info *nicTx);
//__MIPS16
int32 swNic_txDone(int idx);
void swNic_freeRxBuf(void);
int32 swNic_txRunout(void);
#if defined(DELAY_REFILL_ETH_RX_BUF)
extern int check_rx_pkthdr_ring(int idx, int *return_idx);
extern int check_and_return_to_rx_pkthdr_ring(void *skb, int idx);
extern int return_to_rx_pkthdr_ring(unsigned char *head);
#endif
extern uint32* rxMbufRing;
extern unsigned char *alloc_rx_buf(void **skb, int buflen);
extern void free_rx_buf(void *skb);
#if defined(CONFIG_RTL_FAST_BRIDGE)
extern void tx_done_callback(void *skb);
#endif
extern void eth_save_and_cli(unsigned long *flags);
extern void eth_restore_flags(unsigned long flags);
#ifdef CONFIG_RTK_VLAN_WAN_TAG_SUPPORT
int32 swNic_setVlanPortTag(int portmask);
#endif
#define RTL8651_IOCTL_GETWANLINKSTATUS 2000
#define RTL8651_IOCTL_GETLANLINKSTATUS 2001
#define RTL8651_IOCTL_GETWANTHROUGHPUT 2002
#define RTL8651_IOCTL_GETLANPORTLINKSTATUS 2003
#define RTL8651_IOCTL_GETWANPORTLINKSTATUS 2004
#define RTL8651_IOCTL_GETWANLINKSPEED 2100
//#define RTL8651_IOCTL_SETWANLINKSPEED 2101
#define RTL8651_IOCTL_GETLANLINKSTATUSALL 2105
#define RTL8651_IOCTL_SETWANLINKSTATUS 2200
#define RTL8651_IOCTL_CLEARBRSHORTCUTENTRY 2210
#define RTL_NICRX_OK 0
#define RTL_NICRX_REPEAT -2
#define RTL_NICRX_NULL -1
#if defined(CONFIG_RTL_REINIT_SWITCH_CORE)
int32 swNic_reInit(void);
#endif
#if defined(CONFIG_RTL_PROC_DEBUG)
int32 rtl_dumpRxRing(void);
int32 rtl_dumpTxRing(void);
int32 rtl_dumpMbufRing(void);
int32 rtl_dumpIndexs(void);
#endif
struct ring_que {
int qlen;
int qmax;
int head;
int tail;
struct sk_buff **ring;
};
static inline void *UNCACHED_MALLOC(int size)
{
return ((void *)(((uint32)kmalloc(size, GFP_ATOMIC)) | UNCACHE_MASK));
}
#endif /* _SWNIC_H */
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