pfe/common/module_capture.h - vendor/mindspeed/drivers - Git at Google


 /*
  *  Copyright (c) 2009 Mindspeed Technologies, Inc.
  *
  *  This program is free software; you can redistribute it and/or
  *  modify it under the terms of the GNU General Public License
  *  as published by the Free Software Foundation; either version 2
  *  of the License, or (at your option) any later version.

  *  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.

  *  You should have received a copy of the GNU General Public License
  *  along with this program; if not, write to the Free Software
  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  *
  *
  */

 #ifndef _MODULE_CAPTURE_H_
 #define _MODULE_CAPTURE_H_

 #include "types.h"
 #include "modules.h"
 #include "channels.h"
 #include "system.h"
 #include "module_Rx.h"

 #ifdef CFG_PCAP

 #if !defined(COMCERTO_2000)
 #define SMI_CAP_EXPTQ_ADDR 	0x0A0004A0
 #define MAX_FILL_CAP_DESC 		RX_BUDGET// This is dependent on RX_BUDGET parameter.
 #endif

 #define MAX_CAP_QUERY_IFACES 	2


 #define CAP_STATUS_ENABLED 	1
 #define CAP_STATUS_DISABLED	0

 #define CAP_DEFAULT_SLICE		96
 #define CAP_MAX_FLF_INSTRUCTIONS 	30


 #define CAP_IFSTATUS_ENABLED 	1
 #define CAP_IFSTATUS_DISABLED	0

 #define PCAP_MAX_BPF_INST_SUPPORTED	128

 /* BPF Instruction class - Begin */

 /*
  * Instruction classes
  */

 #define BPF_CLASS(code) ((code) & 0x07)
 #define         BPF_LD          0x00
 #define         BPF_LDX         0x01
 #define         BPF_ST          0x02
 #define         BPF_STX         0x03
 #define         BPF_ALU         0x04
 #define         BPF_JMP         0x05
 #define         BPF_RET         0x06
 #define         BPF_MISC        0x07

 /* ld/ldx fields */
 #define BPF_SIZE(code)  ((code) & 0x18)
 #define         BPF_W           0x00
 #define         BPF_H           0x08
 #define         BPF_B           0x10
 #define BPF_MODE(code)  ((code) & 0xe0)
 #define         BPF_IMM         0x00
 #define         BPF_ABS         0x20
 #define         BPF_IND         0x40
 #define         BPF_MEM         0x60
 #define         BPF_LEN         0x80
 #define         BPF_MSH         0xa0

 /* alu/jmp fields */
 #define BPF_OP(code)    ((code) & 0xf0)
 #define         BPF_ADD         0x00
 #define         BPF_SUB         0x10
 #define         BPF_MUL         0x20
 #define         BPF_DIV         0x30
 #define         BPF_OR          0x40
 #define         BPF_AND         0x50
 #define         BPF_LSH         0x60
 #define         BPF_RSH         0x70
 #define         BPF_NEG         0x80
 #define         BPF_JA          0x00
 #define         BPF_JEQ         0x10
 #define         BPF_JGT         0x20
 #define         BPF_JGE         0x30
 #define         BPF_JSET        0x40
 #define BPF_SRC(code)   ((code) & 0x08)
 #define         BPF_K           0x00
 #define         BPF_X           0x08

 /* ret - BPF_K and BPF_X also apply */
 #define BPF_RVAL(code)  ((code) & 0x18)
 #define         BPF_A           0x10

 /* misc */
 #define BPF_MISCOP(code) ((code) & 0xf8)
 #define         BPF_TAX         0x00
 #define         BPF_TXA         0x80

 #ifndef BPF_MAXINSNS
 #define BPF_MAXINSNS 4096
 #endif

 /*
  * Macros for filter block array initializers.
  */
 #ifndef BPF_STMT
 #define BPF_STMT(code, k) { (unsigned short)(code), 0, 0, k }
 #endif
 #ifndef BPF_JUMP
 #define BPF_JUMP(code, k, jt, jf) { (unsigned short)(code), jt, jf, k }
 #endif

 /*
  * Number of scratch memory words for: BPF_ST and BPF_STX
  */
 #define BPF_MEMWORDS 16


 /* BPF Instruction class - End */

 #if !defined (COMCERTO_2000)

 typedef struct tCAPEXPT_context {
 	U32 cap_Q_PTR;		// capture descriptors base address
 	U16 cap_enable;
 	U16 rsvd;
 	U32 cap_irqm;		// capture interrrupt
 	U32 cap_wrt_index;

 } CAPEXPT_context, *PCAPEXPT_context;


 //STATUS BITS in cap_status

 #define CAP_OWN		(1<<29)
 #define CAP_WRAP	(1<<30)

 #define CAP_LENGTH_MASK 0x1FFF
 #define CAP_SLICE_BIT	  16

 #define CAP_IFINDEX  29
 #define CAP_IFINDEX_MASK 3


 //typedef struct __attribute__((aligned(16))) tCapDesc {

 typedef struct  tCapDesc {
 	U32 cap_data;
 	U32 cap_len;
 	U32 cap_status;
 	U32 cap_tmpstmp;
 } CAPDesc , *pCAPDesc;

 typedef struct  tCapDesc_short {
 	U32 cap_len;
 	U32 cap_tmpstmp;
 } CAPDesc_short , *pCAPDesc_short;

 #endif

 #define ACTION_IF_STATUS	0x1
 #define ACTION_SLICE	 	0x2

 typedef struct tcmdCapStat
 {
 	U16 		action;
 	U8		ifindex;
 	U8		status;
 }CAPStatCmd, *PCAPStatCmd;

 typedef struct tcmdCapSlice
 {
 	U16 		action;
 	U8		ifindex;
 	U8		rsvd;
 	U16 		slice;
 }CAPSliceCmd, *PCAPSliceCmd;

 typedef struct tcmdCapQuery{
 	U16     slice;
 	U16     status;
 } __attribute__((packed)) CAPQueryCmd;

 typedef  struct tCapbpf_insn/* bpf instruction */{
 	U16 code;   /* Actual filter code */
 	U8   jt;     /* Jump true */
 	U8   jf;     /* Jump false */
 	U32  k;      /* Generic multiuse field */
 }Capbpf_insn;

 #if defined(COMCERTO_2000_CLASS)
 typedef struct tCapflf/* First level filter */{
 	U32 flen; /* filter length */
 	Capbpf_insn filter[PCAP_MAX_BPF_INST_SUPPORTED];
 }CAPflf;
 #else
 typedef struct tCapflf/* First level filter */{
 	U16 flen; /* filter length */
 	Capbpf_insn *filter;
 }CAPflf;
 #endif

 #if defined (COMCERTO_2000_CONTROL)
 typedef struct tCapflf_hw/* First level filter */{
 	U32 flen; /* filter length */
 	Capbpf_insn filter[PCAP_MAX_BPF_INST_SUPPORTED];
 }CAPflf_hw;
 #endif


 typedef struct tCapCfgflf/* First level filter */{
 	U16 flen; /* filter length */
 	U8  ifindex;
 	U8  mfg; /* set to inform fpp of fragment no, last fragment has the field set to 0 */
 	Capbpf_insn filter[CAP_MAX_FLF_INSTRUCTIONS];
 }CAPcfgflf;

 typedef struct tCAPCtrl
 {
 	U16 cap_status;
 	U16 cap_slice;
 #if !defined (COMCERTO_2000)
 	CAPflf  cap_flf;
 #endif
 }CAPCtrl;

 #if defined (COMCERTO_2000)
 extern u8 g_pcap_enable;
 extern u32 cap_pkt_cnt;
 extern CAPCtrl gCapCtrl[GEM_PORTS];
 extern CAPflf gCapFilter[GEM_PORTS];
 #if !defined(COMCERTO_2000_CONTROL)
 void pcap_tstamp_upd_lmem ();
 u32 pcap_get_tstamp_in_us();
 void M_PKTCAP_process_packet(PMetadata mtd);
 void M_pktcap_process(PMetadata mtd, U8 ifindex);
 void M_pktcap_process_ddrpkt(u32 port, void *ddr_addr, u32 len);
 void M_pktcap_process_mcast(PMetadata mtd, void *tx_hdr_start);
 #if defined(COMCERTO_2000_CLASS)
 int M_pktcap_filter_frame(u8* pkt,u16 pkt_len,Capbpf_insn * filter, U32 flen) __attribute__((section ("slow_pmem")));
 void pcap_init(void);
 extern int (*pktcap_flf_fnptr)(u8* pkt, u16 pkt_len,  Capbpf_insn * filter, U32 flen);
 #endif
 static inline int M_pktcap_chk_enable(U8 ifindex)
 {
 	if (g_pcap_enable && (gCapCtrl[ifindex].cap_status & CAP_STATUS_ENABLED))
 		return 1;

 	return 0;
 }
 #define CAP_LMEM_WRAPS_ADDR		0xC0308100
 #define CAP_LMEM_CYCLES_ADDR		0xC0308104

 #if defined (COMCERTO_2000_CLASS)
 #define CAP_DMEM_BUFFER			CLASS_GP_DMEM_BUF
 #define CAP_DMEM_BUFFER_SIZE		CLASS_GP_DMEM_BUF_SIZE
 #endif
 #if defined (COMCERTO_2000_UTIL)
 #include "util_dmem_storage.h"
 #define CAP_DMEM_BUFFER                MEMCPY_TMP_BUF
 #define CAP_DMEM_BUFFER_SIZE   MEMCPY_TMP_BUF_SIZE
 #endif

 #endif
 #else
 extern CAPEXPT_context gCapExpt;
 extern CAPCtrl gCapCtrl[GEM_PORTS];
 extern U32 gCapData[MAX_FILL_CAP_DESC];
 extern CAPDesc_short gCapCtlShort[MAX_FILL_CAP_DESC];

 void M_PKTCAP_process_packet(PMetadata mtd);
 void M_pktcap_entry(void) __attribute__((section ("fast_path")));
 BOOL M_pktcap_init(PModuleDesc pModule);
 int M_pktcap_process(PMetadata mtd, U8 ifindex)  __attribute__((section ("fast_path")));

 static inline int M_pktcap_chk_enable(PMetadata mtd , U8 ifindex)
 {
 	if (gCapExpt.cap_enable && (gCapCtrl[ifindex].cap_status & CAP_STATUS_ENABLED))
 		return 1;

 	return 0;
 }
 #endif
 int pktcap_init(void);
 void pktcap_exit(void);

 #endif /* CFG_PCAP */
 #endif /* _MODULE_CAPTURE_H_ */

	/*
	* Copyright (c) 2009 Mindspeed Technologies, Inc.
	*
	* This program is free software; you can redistribute it and/or
	* modify it under the terms of the GNU General Public License
	* as published by the Free Software Foundation; either version 2
	* of the License, or (at your option) any later version.

	* 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.

	* You should have received a copy of the GNU General Public License
	* along with this program; if not, write to the Free Software
	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
	*
	*
	*/

	#ifndef _MODULE_CAPTURE_H_
	#define _MODULE_CAPTURE_H_

	#include "types.h"
	#include "modules.h"
	#include "channels.h"
	#include "system.h"
	#include "module_Rx.h"

	#ifdef CFG_PCAP

	#if !defined(COMCERTO_2000)
	#define SMI_CAP_EXPTQ_ADDR 0x0A0004A0
	#define MAX_FILL_CAP_DESC RX_BUDGET// This is dependent on RX_BUDGET parameter.
	#endif

	#define MAX_CAP_QUERY_IFACES 2


	#define CAP_STATUS_ENABLED 1
	#define CAP_STATUS_DISABLED 0

	#define CAP_DEFAULT_SLICE 96
	#define CAP_MAX_FLF_INSTRUCTIONS 30


	#define CAP_IFSTATUS_ENABLED 1
	#define CAP_IFSTATUS_DISABLED 0

	#define PCAP_MAX_BPF_INST_SUPPORTED 128

	/* BPF Instruction class - Begin */

	/*
	* Instruction classes
	*/

	#define BPF_CLASS(code) ((code) & 0x07)
	#define BPF_LD 0x00
	#define BPF_LDX 0x01
	#define BPF_ST 0x02
	#define BPF_STX 0x03
	#define BPF_ALU 0x04
	#define BPF_JMP 0x05
	#define BPF_RET 0x06
	#define BPF_MISC 0x07

	/* ld/ldx fields */
	#define BPF_SIZE(code) ((code) & 0x18)
	#define BPF_W 0x00
	#define BPF_H 0x08
	#define BPF_B 0x10
	#define BPF_MODE(code) ((code) & 0xe0)
	#define BPF_IMM 0x00
	#define BPF_ABS 0x20
	#define BPF_IND 0x40
	#define BPF_MEM 0x60
	#define BPF_LEN 0x80
	#define BPF_MSH 0xa0

	/* alu/jmp fields */
	#define BPF_OP(code) ((code) & 0xf0)
	#define BPF_ADD 0x00
	#define BPF_SUB 0x10
	#define BPF_MUL 0x20
	#define BPF_DIV 0x30
	#define BPF_OR 0x40
	#define BPF_AND 0x50
	#define BPF_LSH 0x60
	#define BPF_RSH 0x70
	#define BPF_NEG 0x80
	#define BPF_JA 0x00
	#define BPF_JEQ 0x10
	#define BPF_JGT 0x20
	#define BPF_JGE 0x30
	#define BPF_JSET 0x40
	#define BPF_SRC(code) ((code) & 0x08)
	#define BPF_K 0x00
	#define BPF_X 0x08

	/* ret - BPF_K and BPF_X also apply */
	#define BPF_RVAL(code) ((code) & 0x18)
	#define BPF_A 0x10

	/* misc */
	#define BPF_MISCOP(code) ((code) & 0xf8)
	#define BPF_TAX 0x00
	#define BPF_TXA 0x80

	#ifndef BPF_MAXINSNS
	#define BPF_MAXINSNS 4096
	#endif

	/*
	* Macros for filter block array initializers.
	*/
	#ifndef BPF_STMT
	#define BPF_STMT(code, k) { (unsigned short)(code), 0, 0, k }
	#endif
	#ifndef BPF_JUMP
	#define BPF_JUMP(code, k, jt, jf) { (unsigned short)(code), jt, jf, k }
	#endif

	/*
	* Number of scratch memory words for: BPF_ST and BPF_STX
	*/
	#define BPF_MEMWORDS 16


	/* BPF Instruction class - End */

	#if !defined (COMCERTO_2000)

	typedef struct tCAPEXPT_context {
	U32 cap_Q_PTR; // capture descriptors base address
	U16 cap_enable;
	U16 rsvd;
	U32 cap_irqm; // capture interrrupt
	U32 cap_wrt_index;

	} CAPEXPT_context, *PCAPEXPT_context;


	//STATUS BITS in cap_status

	#define CAP_OWN (1<<29)
	#define CAP_WRAP (1<<30)

	#define CAP_LENGTH_MASK 0x1FFF
	#define CAP_SLICE_BIT 16

	#define CAP_IFINDEX 29
	#define CAP_IFINDEX_MASK 3



	//typedef struct __attribute__((aligned(16))) tCapDesc {

	typedef struct tCapDesc {
	U32 cap_data;
	U32 cap_len;
	U32 cap_status;
	U32 cap_tmpstmp;
	} CAPDesc , *pCAPDesc;

	typedef struct tCapDesc_short {
	U32 cap_len;
	U32 cap_tmpstmp;
	} CAPDesc_short , *pCAPDesc_short;

	#endif

	#define ACTION_IF_STATUS 0x1
	#define ACTION_SLICE 0x2

	typedef struct tcmdCapStat
	{
	U16 action;
	U8 ifindex;
	U8 status;
	}CAPStatCmd, *PCAPStatCmd;

	typedef struct tcmdCapSlice
	{
	U16 action;
	U8 ifindex;
	U8 rsvd;
	U16 slice;
	}CAPSliceCmd, *PCAPSliceCmd;

	typedef struct tcmdCapQuery{
	U16 slice;
	U16 status;
	} __attribute__((packed)) CAPQueryCmd;

	typedef struct tCapbpf_insn/* bpf instruction */{
	U16 code; /* Actual filter code */
	U8 jt; /* Jump true */
	U8 jf; /* Jump false */
	U32 k; /* Generic multiuse field */
	}Capbpf_insn;

	#if defined(COMCERTO_2000_CLASS)
	typedef struct tCapflf/* First level filter */{
	U32 flen; /* filter length */
	Capbpf_insn filter[PCAP_MAX_BPF_INST_SUPPORTED];
	}CAPflf;
	#else
	typedef struct tCapflf/* First level filter */{
	U16 flen; /* filter length */
	Capbpf_insn *filter;
	}CAPflf;
	#endif

	#if defined (COMCERTO_2000_CONTROL)
	typedef struct tCapflf_hw/* First level filter */{
	U32 flen; /* filter length */
	Capbpf_insn filter[PCAP_MAX_BPF_INST_SUPPORTED];
	}CAPflf_hw;
	#endif


	typedef struct tCapCfgflf/* First level filter */{
	U16 flen; /* filter length */
	U8 ifindex;
	U8 mfg; /* set to inform fpp of fragment no, last fragment has the field set to 0 */
	Capbpf_insn filter[CAP_MAX_FLF_INSTRUCTIONS];
	}CAPcfgflf;

	typedef struct tCAPCtrl
	{
	U16 cap_status;
	U16 cap_slice;
	#if !defined (COMCERTO_2000)
	CAPflf cap_flf;
	#endif
	}CAPCtrl;

	#if defined (COMCERTO_2000)
	extern u8 g_pcap_enable;
	extern u32 cap_pkt_cnt;
	extern CAPCtrl gCapCtrl[GEM_PORTS];
	extern CAPflf gCapFilter[GEM_PORTS];
	#if !defined(COMCERTO_2000_CONTROL)
	void pcap_tstamp_upd_lmem ();
	u32 pcap_get_tstamp_in_us();
	void M_PKTCAP_process_packet(PMetadata mtd);
	void M_pktcap_process(PMetadata mtd, U8 ifindex);
	void M_pktcap_process_ddrpkt(u32 port, void *ddr_addr, u32 len);
	void M_pktcap_process_mcast(PMetadata mtd, void *tx_hdr_start);
	#if defined(COMCERTO_2000_CLASS)
	int M_pktcap_filter_frame(u8* pkt,u16 pkt_len,Capbpf_insn * filter, U32 flen) __attribute__((section ("slow_pmem")));
	void pcap_init(void);
	extern int (pktcap_flf_fnptr)(u8 pkt, u16 pkt_len, Capbpf_insn * filter, U32 flen);
	#endif
	static inline int M_pktcap_chk_enable(U8 ifindex)
	{
	if (g_pcap_enable && (gCapCtrl[ifindex].cap_status & CAP_STATUS_ENABLED))
	return 1;

	return 0;
	}
	#define CAP_LMEM_WRAPS_ADDR 0xC0308100
	#define CAP_LMEM_CYCLES_ADDR 0xC0308104

	#if defined (COMCERTO_2000_CLASS)
	#define CAP_DMEM_BUFFER CLASS_GP_DMEM_BUF
	#define CAP_DMEM_BUFFER_SIZE CLASS_GP_DMEM_BUF_SIZE
	#endif
	#if defined (COMCERTO_2000_UTIL)
	#include "util_dmem_storage.h"
	#define CAP_DMEM_BUFFER MEMCPY_TMP_BUF
	#define CAP_DMEM_BUFFER_SIZE MEMCPY_TMP_BUF_SIZE
	#endif

	#endif
	#else
	extern CAPEXPT_context gCapExpt;
	extern CAPCtrl gCapCtrl[GEM_PORTS];
	extern U32 gCapData[MAX_FILL_CAP_DESC];
	extern CAPDesc_short gCapCtlShort[MAX_FILL_CAP_DESC];

	void M_PKTCAP_process_packet(PMetadata mtd);
	void M_pktcap_entry(void) __attribute__((section ("fast_path")));
	BOOL M_pktcap_init(PModuleDesc pModule);
	int M_pktcap_process(PMetadata mtd, U8 ifindex) __attribute__((section ("fast_path")));

	static inline int M_pktcap_chk_enable(PMetadata mtd , U8 ifindex)
	{
	if (gCapExpt.cap_enable && (gCapCtrl[ifindex].cap_status & CAP_STATUS_ENABLED))
	return 1;

	return 0;
	}
	#endif
	int pktcap_init(void);
	void pktcap_exit(void);

	#endif /* CFG_PCAP */
	#endif /* _MODULE_CAPTURE_H_ */