diff options
| author | blogic <blogic@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2012-10-17 22:45:58 +0000 |
|---|---|---|
| committer | blogic <blogic@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2012-10-17 22:45:58 +0000 |
| commit | 4f2090ad48927532f42272c92c874cc370fc349b (patch) | |
| tree | 405d52924fbc92967e8681bcca5e9c17d35aab8c /package/ltq-dsl/src/ifxmips_atm_core.c | |
| parent | 7e317f44dfece68398538581f41ddf7f7d4f14b1 (diff) | |
[kernel] move lots of kernel related packages to the new system/ folder
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@33830 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'package/ltq-dsl/src/ifxmips_atm_core.c')
| -rw-r--r-- | package/ltq-dsl/src/ifxmips_atm_core.c | 4770 |
1 files changed, 0 insertions, 4770 deletions
diff --git a/package/ltq-dsl/src/ifxmips_atm_core.c b/package/ltq-dsl/src/ifxmips_atm_core.c deleted file mode 100644 index 92853bb88..000000000 --- a/package/ltq-dsl/src/ifxmips_atm_core.c +++ /dev/null @@ -1,4770 +0,0 @@ -/****************************************************************************** -** -** FILE NAME : ifxmips_atm_core.c -** PROJECT : UEIP -** MODULES : ATM -** -** DATE : 7 Jul 2009 -** AUTHOR : Xu Liang -** DESCRIPTION : ATM driver common source file (core functions) -** COPYRIGHT : Copyright (c) 2006 -** Infineon Technologies AG -** Am Campeon 1-12, 85579 Neubiberg, Germany -** -** 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. -** -** HISTORY -** $Date $Author $Comment -** 07 JUL 2009 Xu Liang Init Version -*******************************************************************************/ - - - -/* - * #################################### - * Version No. - * #################################### - */ - -#define IFX_ATM_VER_MAJOR 1 -#define IFX_ATM_VER_MID 0 -#define IFX_ATM_VER_MINOR 19 - - - -/* - * #################################### - * Head File - * #################################### - */ - -/* - * Common Head File - */ -#include <linux/kernel.h> -#include <linux/vmalloc.h> -#include <linux/module.h> -#include <linux/version.h> -#include <linux/types.h> -#include <linux/errno.h> -#include <linux/proc_fs.h> -#include <linux/init.h> -#include <linux/ioctl.h> -#include <linux/atmdev.h> -#include <linux/atm.h> -#include <linux/clk.h> -#include <linux/interrupt.h> - -/* - * Chip Specific Head File - */ -#include <lantiq_soc.h> -#include "ifxmips_compat.h" -#define IFX_MEI_BSP 1 -#include "ifxmips_mei_interface.h" -#include "ifxmips_atm_core.h" - - - -/* - * #################################### - * Kernel Version Adaption - * #################################### - */ -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,11) - #define MODULE_PARM_ARRAY(a, b) module_param_array(a, int, NULL, 0) - #define MODULE_PARM(a, b) module_param(a, int, 0) -#else - #define MODULE_PARM_ARRAY(a, b) MODULE_PARM(a, b) -#endif - - - -/*! - \addtogroup IFXMIPS_ATM_MODULE_PARAMS - */ -/*@{*/ -/* - * #################################### - * Parameters to Configure PPE - * #################################### - */ -/*! - \brief QSB cell delay variation due to concurrency - */ -static int qsb_tau = 1; /* QSB cell delay variation due to concurrency */ -/*! - \brief QSB scheduler burst length - */ -static int qsb_srvm = 0x0F; /* QSB scheduler burst length */ -/*! - \brief QSB time step, all legal values are 1, 2, 4 - */ -static int qsb_tstep = 4 ; /* QSB time step, all legal values are 1, 2, 4 */ - -/*! - \brief Write descriptor delay - */ -static int write_descriptor_delay = 0x20; /* Write descriptor delay */ - -/*! - \brief AAL5 padding byte ('~') - */ -static int aal5_fill_pattern = 0x007E; /* AAL5 padding byte ('~') */ -/*! - \brief Max frame size for RX - */ -static int aal5r_max_packet_size = 0x0700; /* Max frame size for RX */ -/*! - \brief Min frame size for RX - */ -static int aal5r_min_packet_size = 0x0000; /* Min frame size for RX */ -/*! - \brief Max frame size for TX - */ -static int aal5s_max_packet_size = 0x0700; /* Max frame size for TX */ -/*! - \brief Min frame size for TX - */ -static int aal5s_min_packet_size = 0x0000; /* Min frame size for TX */ -/*! - \brief Drop error packet in RX path - */ -static int aal5r_drop_error_packet = 1; /* Drop error packet in RX path */ - -/*! - \brief Number of descriptors per DMA RX channel - */ -static int dma_rx_descriptor_length = 128; /* Number of descriptors per DMA RX channel */ -/*! - \brief Number of descriptors per DMA TX channel - */ -static int dma_tx_descriptor_length = 64; /* Number of descriptors per DMA TX channel */ -/*! - \brief PPE core clock cycles between descriptor write and effectiveness in external RAM - */ -static int dma_rx_clp1_descriptor_threshold = 38; -/*@}*/ - -MODULE_PARM(qsb_tau, "i"); -MODULE_PARM_DESC(qsb_tau, "Cell delay variation. Value must be > 0"); -MODULE_PARM(qsb_srvm, "i"); -MODULE_PARM_DESC(qsb_srvm, "Maximum burst size"); -MODULE_PARM(qsb_tstep, "i"); -MODULE_PARM_DESC(qsb_tstep, "n*32 cycles per sbs cycles n=1,2,4"); - -MODULE_PARM(write_descriptor_delay, "i"); -MODULE_PARM_DESC(write_descriptor_delay, "PPE core clock cycles between descriptor write and effectiveness in external RAM"); - -MODULE_PARM(aal5_fill_pattern, "i"); -MODULE_PARM_DESC(aal5_fill_pattern, "Filling pattern (PAD) for AAL5 frames"); -MODULE_PARM(aal5r_max_packet_size, "i"); -MODULE_PARM_DESC(aal5r_max_packet_size, "Max packet size in byte for downstream AAL5 frames"); -MODULE_PARM(aal5r_min_packet_size, "i"); -MODULE_PARM_DESC(aal5r_min_packet_size, "Min packet size in byte for downstream AAL5 frames"); -MODULE_PARM(aal5s_max_packet_size, "i"); -MODULE_PARM_DESC(aal5s_max_packet_size, "Max packet size in byte for upstream AAL5 frames"); -MODULE_PARM(aal5s_min_packet_size, "i"); -MODULE_PARM_DESC(aal5s_min_packet_size, "Min packet size in byte for upstream AAL5 frames"); -MODULE_PARM(aal5r_drop_error_packet, "i"); -MODULE_PARM_DESC(aal5r_drop_error_packet, "Non-zero value to drop error packet for downstream"); - -MODULE_PARM(dma_rx_descriptor_length, "i"); -MODULE_PARM_DESC(dma_rx_descriptor_length, "Number of descriptor assigned to DMA RX channel (>16)"); -MODULE_PARM(dma_tx_descriptor_length, "i"); -MODULE_PARM_DESC(dma_tx_descriptor_length, "Number of descriptor assigned to DMA TX channel (>16)"); -MODULE_PARM(dma_rx_clp1_descriptor_threshold, "i"); -MODULE_PARM_DESC(dma_rx_clp1_descriptor_threshold, "Descriptor threshold for cells with cell loss priority 1"); - - - -/* - * #################################### - * Definition - * #################################### - */ - -#define ENABLE_LED_FRAMEWORK 1 - -#define DUMP_SKB_LEN ~0 - - - -/* - * #################################### - * Declaration - * #################################### - */ - -/* - * Network Operations - */ -static int ppe_ioctl(struct atm_dev *, unsigned int, void *); -static int ppe_open(struct atm_vcc *); -static void ppe_close(struct atm_vcc *); -static int ppe_send(struct atm_vcc *, struct sk_buff *); -static int ppe_send_oam(struct atm_vcc *, void *, int); -static int ppe_change_qos(struct atm_vcc *, struct atm_qos *, int); - -/* - * ADSL LED - */ -static INLINE void adsl_led_flash(void); - -/* - * 64-bit operation used by MIB calculation - */ -static INLINE void u64_add_u32(ppe_u64_t, unsigned int, ppe_u64_t *); - -/* - * buffer manage functions - */ -static INLINE struct sk_buff* alloc_skb_rx(void); -static INLINE struct sk_buff* alloc_skb_tx(unsigned int); -struct sk_buff* atm_alloc_tx(struct atm_vcc *, unsigned int); -static INLINE void atm_free_tx_skb_vcc(struct sk_buff *, struct atm_vcc *); -static INLINE struct sk_buff *get_skb_rx_pointer(unsigned int); -static INLINE int get_tx_desc(unsigned int); - -/* - * mailbox handler and signal function - */ -static INLINE void mailbox_oam_rx_handler(void); -static INLINE void mailbox_aal_rx_handler(void); -#if defined(ENABLE_TASKLET) && ENABLE_TASKLET - static void do_ppe_tasklet(unsigned long); -#endif -static irqreturn_t mailbox_irq_handler(int, void *); -static INLINE void mailbox_signal(unsigned int, int); - -/* - * QSB & HTU setting functions - */ -static void set_qsb(struct atm_vcc *, struct atm_qos *, unsigned int); -static void qsb_global_set(void); -static INLINE void set_htu_entry(unsigned int, unsigned int, unsigned int, int, int); -static INLINE void clear_htu_entry(unsigned int); -static void validate_oam_htu_entry(void); -static void invalidate_oam_htu_entry(void); - -/* - * look up for connection ID - */ -static INLINE int find_vpi(unsigned int); -static INLINE int find_vpivci(unsigned int, unsigned int); -static INLINE int find_vcc(struct atm_vcc *); - -/* - * ReTX functions - */ -#if defined(ENABLE_ATM_RETX) && ENABLE_ATM_RETX - static void retx_polling_func(unsigned long); - static int init_atm_tc_retrans_param(void); - static void clear_atm_tc_retrans_param(void); -#endif - - -/* - * Debug Functions - */ -#if defined(DEBUG_DUMP_SKB) && DEBUG_DUMP_SKB - static void dump_skb(struct sk_buff *, unsigned int, char *, int, int, int); -#else - #define dump_skb(skb, len, title, port, ch, is_tx) do {} while (0) -#endif -#if defined(ENABLE_DBG_PROC) && ENABLE_DBG_PROC - static void skb_swap(struct sk_buff *, unsigned int); -#else - #define skb_swap(skb, byteoff) do {} while (0) -#endif - -/* - * Proc File Functions - */ -static INLINE void proc_file_create(void); -static INLINE void proc_file_delete(void); -static int proc_read_version(char *, char **, off_t, int, int *, void *); -static int proc_read_mib(char *, char **, off_t, int, int *, void *); -static int proc_write_mib(struct file *, const char *, unsigned long, void *); -#if defined(ENABLE_ATM_RETX) && ENABLE_ATM_RETX - static int proc_read_retx_mib(char *, char **, off_t, int, int *, void *); - static int proc_write_retx_mib(struct file *, const char *, unsigned long, void *); -#endif -#if defined(ENABLE_DBG_PROC) && ENABLE_DBG_PROC - static int proc_read_dbg(char *, char **, off_t, int, int *, void *); - static int proc_write_dbg(struct file *, const char *, unsigned long, void *); - static int proc_write_mem(struct file *, const char *, unsigned long, void *); - #if defined(CONFIG_AR9) || defined(CONFIG_VR9) || defined(CONFIG_DANUBE) || defined(CONFIG_AMAZON_SE) - static int proc_read_pp32(char *, char **, off_t, int, int *, void *); - static int proc_write_pp32(struct file *, const char *, unsigned long, void *); - #endif -#endif -#if defined(ENABLE_FW_PROC) && ENABLE_FW_PROC - static int proc_read_htu(char *, char **, off_t, int, int *, void *); - static int proc_read_txq(char *, char **, off_t, int, int *, void *); - #if defined(ENABLE_ATM_RETX) && ENABLE_ATM_RETX - static int proc_read_retx_fw(char *, char **, off_t, int, int *, void *); - static int proc_read_retx_stats(char *, char **, off_t, int, int *, void *); - static int proc_write_retx_stats(struct file *, const char *, unsigned long, void *); - static int proc_read_retx_cfg(char *, char **, off_t, int, int *, void *); - static int proc_write_retx_cfg(struct file *, const char *, unsigned long, void *); - static int proc_read_retx_dsl_param(char *, char **, off_t, int, int *, void *); - #endif -#endif - -/* - * Proc Help Functions - */ -static int stricmp(const char *, const char *); -#if defined(ENABLE_DBG_PROC) && ENABLE_DBG_PROC - static int strincmp(const char *, const char *, int); - static int get_token(char **, char **, int *, int *); - static unsigned int get_number(char **, int *, int); - static void ignore_space(char **, int *); -#endif -static INLINE int ifx_atm_version(char *); - -/* - * Init & clean-up functions - */ -static INLINE void check_parameters(void); -static INLINE int init_priv_data(void); -static INLINE void clear_priv_data(void); -static INLINE void init_rx_tables(void); -static INLINE void init_tx_tables(void); - -/* - * Exteranl Function - */ -#if defined(CONFIG_IFX_OAM) || defined(CONFIG_IFX_OAM_MODULE) - extern void ifx_push_oam(unsigned char *); -#else - static inline void ifx_push_oam(unsigned char *dummy) {} -#endif -#if defined(CONFIG_IFXMIPS_DSL_CPE_MEI) || defined(CONFIG_IFXMIPS_DSL_CPE_MEI_MODULE) - #if !defined(ENABLE_LED_FRAMEWORK) || !ENABLE_LED_FRAMEWORK - extern int ifx_mei_atm_led_blink(void) __attribute__ ((weak)); - #endif - extern int ifx_mei_atm_showtime_check(int *is_showtime, struct port_cell_info *port_cell, void **xdata_addr) __attribute__ ((weak)); -#else - #if !defined(ENABLE_LED_FRAMEWORK) || !ENABLE_LED_FRAMEWORK - static inline int ifx_mei_atm_led_blink(void) { return IFX_SUCCESS; } - #endif - static inline int ifx_mei_atm_showtime_check(int *is_showtime, struct port_cell_info *port_cell, void **xdata_addr) - { - if ( is_showtime != NULL ) - *is_showtime = 0; - return IFX_SUCCESS; - } -#endif - -/* - * External variable - */ -struct sk_buff* (*ifx_atm_alloc_tx)(struct atm_vcc *, unsigned int) = NULL; - - -//extern struct sk_buff* (*ifx_atm_alloc_tx)(struct atm_vcc *, unsigned int); -#if defined(CONFIG_IFXMIPS_DSL_CPE_MEI) || defined(CONFIG_IFXMIPS_DSL_CPE_MEI_MODULE) - extern int (*ifx_mei_atm_showtime_enter)(struct port_cell_info *, void *) __attribute__ ((weak)); - extern int (*ifx_mei_atm_showtime_exit)(void) __attribute__ ((weak)); -#else - int (*ifx_mei_atm_showtime_enter)(struct port_cell_info *, void *) = NULL; - EXPORT_SYMBOL(ifx_mei_atm_showtime_enter); - int (*ifx_mei_atm_showtime_exit)(void) = NULL; - EXPORT_SYMBOL(ifx_mei_atm_showtime_exit); -#endif - - - -/* - * #################################### - * Local Variable - * #################################### - */ - -static struct atm_priv_data g_atm_priv_data; - -static struct atmdev_ops g_ifx_atm_ops = { - .open = ppe_open, - .close = ppe_close, - .ioctl = ppe_ioctl, - .send = ppe_send, - .send_oam = ppe_send_oam, - .change_qos = ppe_change_qos, - .owner = THIS_MODULE, -}; - -#if defined(ENABLE_TASKLET) && ENABLE_TASKLET - DECLARE_TASKLET(g_dma_tasklet, do_ppe_tasklet, 0); -#endif - -static int g_showtime = 0; -static void *g_xdata_addr = NULL; - -#if 0 /*--- defined(ENABLE_LED_FRAMEWORK) && ENABLE_LED_FRAMEWORK ---*/ - static void *g_data_led_trigger = NULL; -#endif - -#if defined(ENABLE_ATM_RETX) && ENABLE_ATM_RETX - static unsigned long g_retx_playout_buffer = 0; - - static volatile int g_retx_htu = 1; - static struct dsl_param g_dsl_param = {0}; - static int g_retx_polling_cnt = HZ; - static struct timeval g_retx_polling_start = {0}, g_retx_polling_end = {0}; - static struct timer_list g_retx_polling_timer; -#endif - -unsigned int ifx_atm_dbg_enable = 0; - -static struct proc_dir_entry* g_atm_dir = NULL; - - - -/* - * #################################### - * Local Function - * #################################### - */ - -static int ppe_ioctl(struct atm_dev *dev, unsigned int cmd, void *arg) -{ - int ret = 0; - atm_cell_ifEntry_t mib_cell; - atm_aal5_ifEntry_t mib_aal5; - atm_aal5_vcc_x_t mib_vcc; - unsigned int value; - int conn; - - if ( _IOC_TYPE(cmd) != PPE_ATM_IOC_MAGIC - || _IOC_NR(cmd) >= PPE_ATM_IOC_MAXNR ) - return -ENOTTY; - - if ( _IOC_DIR(cmd) & _IOC_READ ) - ret = !access_ok(VERIFY_WRITE, arg, _IOC_SIZE(cmd)); - else if ( _IOC_DIR(cmd) & _IOC_WRITE ) - ret = !access_ok(VERIFY_READ, arg, _IOC_SIZE(cmd)); - if ( ret ) - return -EFAULT; - - switch ( cmd ) - { - case PPE_ATM_MIB_CELL: /* cell level MIB */ - /* These MIB should be read at ARC side, now put zero only. */ - mib_cell.ifHCInOctets_h = 0; - mib_cell.ifHCInOctets_l = 0; - mib_cell.ifHCOutOctets_h = 0; - mib_cell.ifHCOutOctets_l = 0; - mib_cell.ifInErrors = 0; - mib_cell.ifInUnknownProtos = WAN_MIB_TABLE->wrx_drophtu_cell; - mib_cell.ifOutErrors = 0; - - ret = sizeof(mib_cell) - copy_to_user(arg, &mib_cell, sizeof(mib_cell)); - break; - - case PPE_ATM_MIB_AAL5: /* AAL5 MIB */ - value = WAN_MIB_TABLE->wrx_total_byte; - u64_add_u32(g_atm_priv_data.wrx_total_byte, value - g_atm_priv_data.prev_wrx_total_byte, &g_atm_priv_data.wrx_total_byte); - g_atm_priv_data.prev_wrx_total_byte = value; - mib_aal5.ifHCInOctets_h = g_atm_priv_data.wrx_total_byte.h; - mib_aal5.ifHCInOctets_l = g_atm_priv_data.wrx_total_byte.l; - - value = WAN_MIB_TABLE->wtx_total_byte; - u64_add_u32(g_atm_priv_data.wtx_total_byte, value - g_atm_priv_data.prev_wtx_total_byte, &g_atm_priv_data.wtx_total_byte); - g_atm_priv_data.prev_wtx_total_byte = value; - mib_aal5.ifHCOutOctets_h = g_atm_priv_data.wtx_total_byte.h; - mib_aal5.ifHCOutOctets_l = g_atm_priv_data.wtx_total_byte.l; - - mib_aal5.ifInUcastPkts = g_atm_priv_data.wrx_pdu; - mib_aal5.ifOutUcastPkts = WAN_MIB_TABLE->wtx_total_pdu; - mib_aal5.ifInErrors = WAN_MIB_TABLE->wrx_err_pdu; - mib_aal5.ifInDiscards = WAN_MIB_TABLE->wrx_dropdes_pdu + g_atm_priv_data.wrx_drop_pdu; - mib_aal5.ifOutErros = g_atm_priv_data.wtx_err_pdu; - mib_aal5.ifOutDiscards = g_atm_priv_data.wtx_drop_pdu; - - ret = sizeof(mib_aal5) - copy_to_user(arg, &mib_aal5, sizeof(mib_aal5)); - break; - - case PPE_ATM_MIB_VCC: /* VCC related MIB */ - copy_from_user(&mib_vcc, arg, sizeof(mib_vcc)); - conn = find_vpivci(mib_vcc.vpi, mib_vcc.vci); - if ( conn >= 0 ) - { - mib_vcc.mib_vcc.aal5VccCrcErrors = g_atm_priv_data.conn[conn].aal5_vcc_crc_err; - mib_vcc.mib_vcc.aal5VccOverSizedSDUs = g_atm_priv_data.conn[conn].aal5_vcc_oversize_sdu; - mib_vcc.mib_vcc.aal5VccSarTimeOuts = 0; /* no timer support */ - ret = sizeof(mib_vcc) - copy_to_user(arg, &mib_vcc, sizeof(mib_vcc)); - } - else - ret = -EINVAL; - break; - - default: - ret = -ENOIOCTLCMD; - } - - return ret; -} - -static int ppe_open(struct atm_vcc *vcc) -{ - int ret; - short vpi = vcc->vpi; - int vci = vcc->vci; - struct port *port = &g_atm_priv_data.port[(int)vcc->dev->dev_data]; - int conn; - int f_enable_irq = 0; -#if defined(ENABLE_ATM_RETX) && ENABLE_ATM_RETX - int sys_flag; -#endif - - if ( vcc->qos.aal != ATM_AAL5 && vcc->qos.aal != ATM_AAL0 ) - return -EPROTONOSUPPORT; - -#if !defined(DISABLE_QOS_WORKAROUND) || !DISABLE_QOS_WORKAROUND - /* check bandwidth */ - - if (vcc->qos.txtp.traffic_class == ATM_CBR && - vcc->qos.txtp.max_pcr > (port->tx_max_cell_rate - port->tx_current_cell_rate)) - { - printk("CBR set. %s, line %d returns EINVAL\n", __FUNCTION__, __LINE__); - ret = -EINVAL; - goto PPE_OPEN_EXIT; - } - if(vcc->qos.txtp.traffic_class == ATM_VBR_RT && - vcc->qos.txtp.max_pcr > (port->tx_max_cell_rate - port->tx_current_cell_rate)) - { - printk("VBR RT set. %s, line %d returns EINVAL\n", __FUNCTION__, __LINE__); - ret = -EINVAL; - goto PPE_OPEN_EXIT; - } - - if (vcc->qos.txtp.traffic_class == ATM_VBR_NRT && - vcc->qos.txtp.scr > (port->tx_max_cell_rate - port->tx_current_cell_rate)) - { - printk("VBR NRT set. %s, line %d returns EINVAL\n", __FUNCTION__, __LINE__); - ret = -EINVAL; - goto PPE_OPEN_EXIT; - } - - if (vcc->qos.txtp.traffic_class == ATM_UBR_PLUS && - vcc->qos.txtp.min_pcr > (port->tx_max_cell_rate - port->tx_current_cell_rate)) - { - printk("UBR PLUS set. %s, line %d returns EINVAL\n", __FUNCTION__, __LINE__); - ret = -EINVAL; - goto PPE_OPEN_EXIT; - } - -#endif - - /* check existing vpi,vci */ - conn = find_vpivci(vpi, vci); - if ( conn >= 0 ) { - ret = -EADDRINUSE; - goto PPE_OPEN_EXIT; - } - - /* check whether it need to enable irq */ - if ( g_atm_priv_data.conn_table == 0 ) - f_enable_irq = 1; - - /* allocate connection */ - for ( conn = 0; conn < MAX_PVC_NUMBER; conn++ ) { - if ( test_and_set_bit(conn, &g_atm_priv_data.conn_table) == 0 ) { - g_atm_priv_data.conn[conn].vcc = vcc; - break; - } - } - if ( conn == MAX_PVC_NUMBER ) - { - printk("max_pvc_number reached\n"); - ret = -EINVAL; - goto PPE_OPEN_EXIT; - } - - /* reserve bandwidth */ - switch ( vcc->qos.txtp.traffic_class ) { - case ATM_CBR: - case ATM_VBR_RT: - port->tx_current_cell_rate += vcc->qos.txtp.max_pcr; - break; - case ATM_VBR_NRT: - port->tx_current_cell_rate += vcc->qos.txtp.scr; - break; - case ATM_UBR_PLUS: - port->tx_current_cell_rate += vcc->qos.txtp.min_pcr; - break; - } - - /* set qsb */ - set_qsb(vcc, &vcc->qos, conn); - - /* update atm_vcc structure */ - vcc->itf = (int)vcc->dev->dev_data; - vcc->vpi = vpi; - vcc->vci = vci; - set_bit(ATM_VF_READY, &vcc->flags); - - /* enable irq */ - if (f_enable_irq ) { - ifx_atm_alloc_tx = atm_alloc_tx; - - *MBOX_IGU1_ISRC = (1 << RX_DMA_CH_AAL) | (1 << RX_DMA_CH_OAM); - *MBOX_IGU1_IER = (1 << RX_DMA_CH_AAL) | (1 << RX_DMA_CH_OAM); - - enable_irq(PPE_MAILBOX_IGU1_INT); - } - - /* set port */ - WTX_QUEUE_CONFIG(conn + FIRST_QSB_QID)->sbid = (int)vcc->dev->dev_data; - - /* set htu entry */ - set_htu_entry(vpi, vci, conn, vcc->qos.aal == ATM_AAL5 ? 1 : 0, 0); - -#if defined(ENABLE_ATM_RETX) && ENABLE_ATM_RETX - // ReTX: occupy second QID - local_irq_save(sys_flag); - if ( g_retx_htu && vcc->qos.aal == ATM_AAL5 ) - { - int retx_conn = (conn + 8) % 16; // ReTX queue - - if ( retx_conn < MAX_PVC_NUMBER && test_and_set_bit(retx_conn, &g_atm_priv_data.conn_table) == 0 ) { - g_atm_priv_data.conn[retx_conn].vcc = vcc; - set_htu_entry(vpi, vci, retx_conn, vcc->qos.aal == ATM_AAL5 ? 1 : 0, 1); - } - } - local_irq_restore(sys_flag); -#endif - - ret = 0; - -PPE_OPEN_EXIT: - return ret; -} - -static void ppe_close(struct atm_vcc *vcc) -{ - int conn; - struct port *port; - struct connection *connection; -#if defined(ENABLE_ATM_RETX) && ENABLE_ATM_RETX - int sys_flag; -#endif - - if ( vcc == NULL ) - return; - - /* get connection id */ - conn = find_vcc(vcc); - if ( conn < 0 ) { - err("can't find vcc"); - goto PPE_CLOSE_EXIT; - } - connection = &g_atm_priv_data.conn[conn]; - port = &g_atm_priv_data.port[connection->port]; - - /* clear htu */ - clear_htu_entry(conn); - -#if defined(ENABLE_ATM_RETX) && ENABLE_ATM_RETX - // ReTX: release second QID - local_irq_save(sys_flag); - if ( g_retx_htu && vcc->qos.aal == ATM_AAL5 ) - { - int retx_conn = (conn + 8) % 16; // ReTX queue - - if ( retx_conn < MAX_PVC_NUMBER && g_atm_priv_data.conn[retx_conn].vcc == vcc ) { - clear_htu_entry(retx_conn); - g_atm_priv_data.conn[retx_conn].vcc = NULL; - g_atm_priv_data.conn[retx_conn].aal5_vcc_crc_err = 0; - g_atm_priv_data.conn[retx_conn].aal5_vcc_oversize_sdu = 0; - clear_bit(retx_conn, &g_atm_priv_data.conn_table); - } - } - local_irq_restore(sys_flag); -#endif - - /* release connection */ - connection->vcc = NULL; - connection->aal5_vcc_crc_err = 0; - connection->aal5_vcc_oversize_sdu = 0; - clear_bit(conn, &g_atm_priv_data.conn_table); - - /* disable irq */ - if ( g_atm_priv_data.conn_table == 0 ) { - disable_irq(PPE_MAILBOX_IGU1_INT); - ifx_atm_alloc_tx = NULL; - } - - /* release bandwidth */ - switch ( vcc->qos.txtp.traffic_class ) - { - case ATM_CBR: - case ATM_VBR_RT: - port->tx_current_cell_rate -= vcc->qos.txtp.max_pcr; - break; - case ATM_VBR_NRT: - port->tx_current_cell_rate -= vcc->qos.txtp.scr; - break; - case ATM_UBR_PLUS: - port->tx_current_cell_rate -= vcc->qos.txtp.min_pcr; - break; - } - -PPE_CLOSE_EXIT: - return; -} - -static int ppe_send(struct atm_vcc *vcc, struct sk_buff *skb) -{ - int ret; - int conn; - int desc_base; - struct tx_descriptor reg_desc = {0}; - - if ( vcc == NULL || skb == NULL ) - return -EINVAL; - - skb_orphan(skb); - skb_get(skb); - atm_free_tx_skb_vcc(skb, vcc); - - conn = find_vcc(vcc); - if ( conn < 0 ) { - ret = -EINVAL; - goto FIND_VCC_FAIL; - } - - if ( !g_showtime ) { - err("not in showtime"); - ret = -EIO; - goto PPE_SEND_FAIL; - } - - if ( vcc->qos.aal == ATM_AAL5 ) { - int byteoff; - int datalen; - struct tx_inband_header *header; - - datalen = skb->len; - byteoff = (unsigned int)skb->data & (DATA_BUFFER_ALIGNMENT - 1); - - if ( skb_headroom(skb) < byteoff + TX_INBAND_HEADER_LENGTH ) { - struct sk_buff *new_skb; - - new_skb = alloc_skb_tx(datalen); - if ( new_skb == NULL ) { - err("ALLOC_SKB_TX_FAIL"); - ret = -ENOMEM; - goto PPE_SEND_FAIL; - } - skb_put(new_skb, datalen); - memcpy(new_skb->data, skb->data, datalen); - dev_kfree_skb_any(skb); - skb = new_skb; - byteoff = (unsigned int)skb->data & (DATA_BUFFER_ALIGNMENT - 1); - } - - skb_push(skb, byteoff + TX_INBAND_HEADER_LENGTH); - - header = (struct tx_inband_header *)skb->data; - - /* setup inband trailer */ - header->uu = 0; - header->cpi = 0; - header->pad = aal5_fill_pattern; - header->res1 = 0; - - /* setup cell header */ - header->clp = (vcc->atm_options & ATM_ATMOPT_CLP) ? 1 : 0; - header->pti = ATM_PTI_US0; - header->vci = vcc->vci; - header->vpi = vcc->vpi; - header->gfc = 0; - - /* setup descriptor */ - reg_desc.dataptr = (unsigned int)skb->data >> 2; - reg_desc.datalen = datalen; - reg_desc.byteoff = byteoff; - reg_desc.iscell = 0; - } - else { - /* if data pointer is not aligned, allocate new sk_buff */ - if ( ((unsigned int)skb->data & (DATA_BUFFER_ALIGNMENT - 1)) != 0 ) { - struct sk_buff *new_skb; - - err("skb->data not aligned"); - - new_skb = alloc_skb_tx(skb->len); - if ( new_skb == NULL ) { - err("ALLOC_SKB_TX_FAIL"); - ret = -ENOMEM; - goto PPE_SEND_FAIL; - } - skb_put(new_skb, skb->len); - memcpy(new_skb->data, skb->data, skb->len); - dev_kfree_skb_any(skb); - skb = new_skb; - } - - reg_desc.dataptr = (unsigned int)skb->data >> 2; - reg_desc.datalen = skb->len; - reg_desc.byteoff = 0; - reg_desc.iscell = 1; - } - - reg_desc.own = 1; - reg_desc.c = 1; - reg_desc.sop = reg_desc.eop = 1; - - desc_base = get_tx_desc(conn); - if ( desc_base < 0 ) { - err("ALLOC_TX_CONNECTION_FAIL"); - ret = -EIO; - goto PPE_SEND_FAIL; - } - - if ( vcc->stats ) - atomic_inc(&vcc->stats->tx); - if ( vcc->qos.aal == ATM_AAL5 ) - g_atm_priv_data.wtx_pdu++; - - /* update descriptor send pointer */ - if ( g_atm_priv_data.conn[conn].tx_skb[desc_base] != NULL ) - dev_kfree_skb_any(g_atm_priv_data.conn[conn].tx_skb[desc_base]); - g_atm_priv_data.conn[conn].tx_skb[desc_base] = skb; - - /* write discriptor to memory and write back cache */ -#ifdef CONFIG_DEBUG_SLAB - /* be sure that "redzone 1" is written back to memory */ - dma_cache_wback((unsigned long)skb->head, 32); -#endif - dma_cache_wback((unsigned long)skb_shinfo(skb), sizeof(struct skb_shared_info)); - dma_cache_wback((unsigned long)skb->data, skb->len); - g_atm_priv_data.conn[conn].tx_desc[desc_base] = reg_desc; - - dump_skb(skb, DUMP_SKB_LEN, (char *)__func__, 0, conn, 1); - - mailbox_signal(conn, 1); - - adsl_led_flash(); - - return 0; - -FIND_VCC_FAIL: - err("FIND_VCC_FAIL"); - g_atm_priv_data.wtx_err_pdu++; - dev_kfree_skb_any(skb); - return ret; - -PPE_SEND_FAIL: - if ( vcc->qos.aal == ATM_AAL5 ) - g_atm_priv_data.wtx_drop_pdu++; - if ( vcc->stats ) - atomic_inc(&vcc->stats->tx_err); - dev_kfree_skb_any(skb); - return ret; -} - -static int ppe_send_oam(struct atm_vcc *vcc, void *cell, int flags) -{ - int conn; - struct uni_cell_header *uni_cell_header = (struct uni_cell_header *)cell; - int desc_base; - struct sk_buff *skb; - struct tx_descriptor reg_desc = {0}; - - if ( ((uni_cell_header->pti == ATM_PTI_SEGF5 || uni_cell_header->pti == ATM_PTI_E2EF5) - && find_vpivci(uni_cell_header->vpi, uni_cell_header->vci) < 0) - || ((uni_cell_header->vci == 0x03 || uni_cell_header->vci == 0x04) - && find_vpi(uni_cell_header->vpi) < 0) ) - return -EINVAL; - - if ( !g_showtime ) { - err("not in showtime"); - return -EIO; - } - - conn = find_vcc(vcc); - if ( conn < 0 ) { - err("FIND_VCC_FAIL"); - return -EINVAL; - } - - skb = alloc_skb_tx(CELL_SIZE); - if ( skb == NULL ) { - err("ALLOC_SKB_TX_FAIL"); - return -ENOMEM; - } - memcpy(skb->data, cell, CELL_SIZE); - - reg_desc.dataptr = (unsigned int)skb->data >> 2; - reg_desc.datalen = CELL_SIZE; - reg_desc.byteoff = 0; - reg_desc.iscell = 1; - - reg_desc.own = 1; - reg_desc.c = 1; - reg_desc.sop = reg_desc.eop = 1; - - desc_base = get_tx_desc(conn); - if ( desc_base < 0 ) { - dev_kfree_skb_any(skb); - err("ALLOC_TX_CONNECTION_FAIL"); - return -EIO; - } - - if ( vcc->stats ) - atomic_inc(&vcc->stats->tx); - - /* update descriptor send pointer */ - if ( g_atm_priv_data.conn[conn].tx_skb[desc_base] != NULL ) - dev_kfree_skb_any(g_atm_priv_data.conn[conn].tx_skb[desc_base]); - g_atm_priv_data.conn[conn].tx_skb[desc_base] = skb; - - /* write discriptor to memory and write back cache */ - g_atm_priv_data.conn[conn].tx_desc[desc_base] = reg_desc; - dma_cache_wback((unsigned long)skb->data, CELL_SIZE); - - dump_skb(skb, DUMP_SKB_LEN, (char *)__func__, 0, conn, 1); - - if ( vcc->qos.aal == ATM_AAL5 && (ifx_atm_dbg_enable & DBG_ENABLE_MASK_MAC_SWAP) ) { - skb_swap(skb, reg_desc.byteoff); - } - - mailbox_signal(conn, 1); - - adsl_led_flash(); - - return 0; -} - -static int ppe_change_qos(struct atm_vcc *vcc, struct atm_qos *qos, int flags) -{ - int conn; - - if ( vcc == NULL || qos == NULL ) - return -EINVAL; - - conn = find_vcc(vcc); - if ( conn < 0 ) - return -EINVAL; - - set_qsb(vcc, qos, conn); - - return 0; -} - -static INLINE void adsl_led_flash(void) -{ -#if 0 -#if defined(ENABLE_LED_FRAMEWORK) && ENABLE_LED_FRAMEWORK - if ( g_data_led_trigger != NULL ) - ifx_led_trigger_activate(g_data_led_trigger); -#else - if (!IS_ERR(&ifx_mei_atm_led_blink) && &ifx_mei_atm_led_blink ) - ifx_mei_atm_led_blink(); -#endif -#endif -} - -/* - * Description: - * Add a 32-bit value to 64-bit value, and put result in a 64-bit variable. - * Input: - * opt1 --- ppe_u64_t, first operand, a 64-bit unsigned integer value - * opt2 --- unsigned int, second operand, a 32-bit unsigned integer value - * ret --- ppe_u64_t, pointer to a variable to hold result - * Output: - * none - */ -static INLINE void u64_add_u32(ppe_u64_t opt1, unsigned int opt2, ppe_u64_t *ret) -{ - ret->l = opt1.l + opt2; - if ( ret->l < opt1.l || ret->l < opt2 ) - ret->h++; -} - -static INLINE struct sk_buff* alloc_skb_rx(void) -{ - struct sk_buff *skb; - - skb = dev_alloc_skb(RX_DMA_CH_AAL_BUF_SIZE + DATA_BUFFER_ALIGNMENT); - if ( skb != NULL ) { - /* must be burst length alignment */ - if ( ((unsigned int)skb->data & (DATA_BUFFER_ALIGNMENT - 1)) != 0 ) - skb_reserve(skb, ~((unsigned int)skb->data + (DATA_BUFFER_ALIGNMENT - 1)) & (DATA_BUFFER_ALIGNMENT - 1)); - /* pub skb in reserved area "skb->data - 4" */ - *((struct sk_buff **)skb->data - 1) = skb; - /* write back and invalidate cache */ - dma_cache_wback_inv((unsigned long)skb->data - sizeof(skb), sizeof(skb)); - /* invalidate cache */ - dma_cache_inv((unsigned long)skb->data, (unsigned int)skb->end - (unsigned int)skb->data); - } - - return skb; -} - -static INLINE struct sk_buff* alloc_skb_tx(unsigned int size) -{ - struct sk_buff *skb; - - /* allocate memory including header and padding */ - size += TX_INBAND_HEADER_LENGTH + MAX_TX_PACKET_ALIGN_BYTES + MAX_TX_PACKET_PADDING_BYTES; - size &= ~(DATA_BUFFER_ALIGNMENT - 1); - skb = dev_alloc_skb(size + DATA_BUFFER_ALIGNMENT); - /* must be burst length alignment */ - if ( skb != NULL ) - skb_reserve(skb, (~((unsigned int)skb->data + (DATA_BUFFER_ALIGNMENT - 1)) & (DATA_BUFFER_ALIGNMENT - 1)) + TX_INBAND_HEADER_LENGTH); - return skb; -} - -struct sk_buff* atm_alloc_tx(struct atm_vcc *vcc, unsigned int size) -{ - int conn; - struct sk_buff *skb; - - /* oversize packet */ - if ( size > aal5s_max_packet_size ) { - err("atm_alloc_tx: oversize packet"); - return NULL; - } - /* send buffer overflow */ - if ( atomic_read(&sk_atm(vcc)->sk_wmem_alloc) && !atm_may_send(vcc, size) ) { - err("atm_alloc_tx: send buffer overflow"); - return NULL; - } - conn = find_vcc(vcc); - if ( conn < 0 ) { - err("atm_alloc_tx: unknown VCC"); - return NULL; - } - - skb = dev_alloc_skb(size); - if ( skb == NULL ) { - err("atm_alloc_tx: sk buffer is used up"); - return NULL; - } - - atomic_add(skb->truesize, &sk_atm(vcc)->sk_wmem_alloc); - - return skb; -} - -static INLINE void atm_free_tx_skb_vcc(struct sk_buff *skb, struct atm_vcc *vcc) -{ - if ( vcc->pop != NULL ) - vcc->pop(vcc, skb); - else - dev_kfree_skb_any(skb); -} - -static INLINE struct sk_buff *get_skb_rx_pointer(unsigned int dataptr) -{ - unsigned int skb_dataptr; - struct sk_buff *skb; - - skb_dataptr = ((dataptr - 1) << 2) | KSEG1; - skb = *(struct sk_buff **)skb_dataptr; - - ASSERT((unsigned int)skb >= KSEG0, "invalid skb - skb = %#08x, dataptr = %#08x", (unsigned int)skb, dataptr); - ASSERT(((unsigned int)skb->data | KSEG1) == ((dataptr << 2) | KSEG1), "invalid skb - skb = %#08x, skb->data = %#08x, dataptr = %#08x", (unsigned int)skb, (unsigned int)skb->data, dataptr); - - return skb; -} - -static INLINE int get_tx_desc(unsigned int conn) -{ - int desc_base = -1; - struct connection *p_conn = &g_atm_priv_data.conn[conn]; - - if ( p_conn->tx_desc[p_conn->tx_desc_pos].own == 0 ) { - desc_base = p_conn->tx_desc_pos; - if ( ++(p_conn->tx_desc_pos) == dma_tx_descriptor_length ) - p_conn->tx_desc_pos = 0; - } - - return desc_base; -} - -static INLINE void mailbox_oam_rx_handler(void) -{ - unsigned int vlddes = WRX_DMA_CHANNEL_CONFIG(RX_DMA_CH_OAM)->vlddes; - struct rx_descriptor reg_desc; - struct uni_cell_header *header; - int conn; - struct atm_vcc *vcc; - unsigned int i; - - for ( i = 0; i < vlddes; i++ ) { - do { - reg_desc = g_atm_priv_data.oam_desc[g_atm_priv_data.oam_desc_pos]; - } while ( reg_desc.own || !reg_desc.c ); // keep test OWN and C bit until data is ready - - header = (struct uni_cell_header *)&g_atm_priv_data.oam_buf[g_atm_priv_data.oam_desc_pos * RX_DMA_CH_OAM_BUF_SIZE]; - - if ( header->pti == ATM_PTI_SEGF5 || header->pti == ATM_PTI_E2EF5 ) - conn = find_vpivci(header->vpi, header->vci); - else if ( header->vci == 0x03 || header->vci == 0x04 ) - conn = find_vpi(header->vpi); - else - conn = -1; - - if ( conn >= 0 && g_atm_priv_data.conn[conn].vcc != NULL ) { - vcc = g_atm_priv_data.conn[conn].vcc; - - if ( vcc->push_oam != NULL ) - vcc->push_oam(vcc, header); - else - ifx_push_oam((unsigned char *)header); - adsl_led_flash(); - } - - reg_desc.byteoff = 0; - reg_desc.datalen = RX_DMA_CH_OAM_BUF_SIZE; - reg_desc.own = 1; - reg_desc.c = 0; - - g_atm_priv_data.oam_desc[g_atm_priv_data.oam_desc_pos] = reg_desc; - if ( ++g_atm_priv_data.oam_desc_pos == RX_DMA_CH_OAM_DESC_LEN ) - g_atm_priv_data.oam_desc_pos = 0; - - mailbox_signal(RX_DMA_CH_OAM, 0); - } -} - -static INLINE void mailbox_aal_rx_handler(void) -{ - unsigned int vlddes = WRX_DMA_CHANNEL_CONFIG(RX_DMA_CH_AAL)->vlddes; - struct rx_descriptor reg_desc; - int conn; - struct atm_vcc *vcc; - struct sk_buff *skb, *new_skb; - struct rx_inband_trailer *trailer; - unsigned int i; - - for ( i = 0; i < vlddes; i++ ) { - do { - reg_desc = g_atm_priv_data.aal_desc[g_atm_priv_data.aal_desc_pos]; - } while ( reg_desc.own || !reg_desc.c ); // keep test OWN and C bit until data is ready - - conn = reg_desc.id; - - if ( g_atm_priv_data.conn[conn].vcc != NULL ) { - vcc = g_atm_priv_data.conn[conn].vcc; - - skb = get_skb_rx_pointer(reg_desc.dataptr); - - if ( reg_desc.err ) { - if ( vcc->qos.aal == ATM_AAL5 ) { - trailer = (struct rx_inband_trailer *)((unsigned int)skb->data + ((reg_desc.byteoff + reg_desc.datalen + MAX_RX_PACKET_PADDING_BYTES) & ~MAX_RX_PACKET_PADDING_BYTES)); - if ( trailer->stw_crc ) - g_atm_priv_data.conn[conn].aal5_vcc_crc_err++; - if ( trailer->stw_ovz ) - g_atm_priv_data.conn[conn].aal5_vcc_oversize_sdu++; - g_atm_priv_data.wrx_drop_pdu++; - } - if ( vcc->stats ) { - atomic_inc(&vcc->stats->rx_drop); - atomic_inc(&vcc->stats->rx_err); - } - } - else if ( atm_charge(vcc, skb->truesize) ) { - new_skb = alloc_skb_rx(); - if ( new_skb != NULL ) { - skb_reserve(skb, reg_desc.byteoff); - skb_put(skb, reg_desc.datalen); - ATM_SKB(skb)->vcc = vcc; - - dump_skb(skb, DUMP_SKB_LEN, (char *)__func__, 0, conn, 0); - - vcc->push(vcc, skb); - - if ( vcc->qos.aal == ATM_AAL5 ) - g_atm_priv_data.wrx_pdu++; - if ( vcc->stats ) - atomic_inc(&vcc->stats->rx); - adsl_led_flash(); - - reg_desc.dataptr = (unsigned int)new_skb->data >> 2; - } - else { - atm_return(vcc, skb->truesize); - if ( vcc->qos.aal == ATM_AAL5 ) - g_atm_priv_data.wrx_drop_pdu++; - if ( vcc->stats ) - atomic_inc(&vcc->stats->rx_drop); - } - } - else { - if ( vcc->qos.aal == ATM_AAL5 ) - g_atm_priv_data.wrx_drop_pdu++; - if ( vcc->stats ) - atomic_inc(&vcc->stats->rx_drop); - } - } - else { - g_atm_priv_data.wrx_drop_pdu++; - } - - reg_desc.byteoff = 0; - reg_desc.datalen = RX_DMA_CH_AAL_BUF_SIZE; - reg_desc.own = 1; - reg_desc.c = 0; - - g_atm_priv_data.aal_desc[g_atm_priv_data.aal_desc_pos] = reg_desc; - if ( ++g_atm_priv_data.aal_desc_pos == dma_rx_descriptor_length ) - g_atm_priv_data.aal_desc_pos = 0; - - mailbox_signal(RX_DMA_CH_AAL, 0); - } -} - -#if defined(ENABLE_TASKLET) && ENABLE_TASKLET -static void do_ppe_tasklet(unsigned long arg) -{ - *MBOX_IGU1_ISRC = *MBOX_IGU1_ISR; - mailbox_oam_rx_handler(); - mailbox_aal_rx_handler(); - if ( (*MBOX_IGU1_ISR & ((1 << RX_DMA_CH_AAL) | (1 << RX_DMA_CH_OAM))) != 0 ) - tasklet_schedule(&g_dma_tasklet); - else - enable_irq(PPE_MAILBOX_IGU1_INT); -} -#endif - -static irqreturn_t mailbox_irq_handler(int irq, void *dev_id) -{ - if ( !*MBOX_IGU1_ISR ) - return IRQ_HANDLED; - -#if defined(ENABLE_TASKLET) && ENABLE_TASKLET - disable_irq(PPE_MAILBOX_IGU1_INT); - tasklet_schedule(&g_dma_tasklet); -#else - *MBOX_IGU1_ISRC = *MBOX_IGU1_ISR; - mailbox_oam_rx_handler(); - mailbox_aal_rx_handler(); -#endif - - return IRQ_HANDLED; -} - -static INLINE void mailbox_signal(unsigned int queue, int is_tx) -{ - int count = 1000; - - if ( is_tx ) { - while ( MBOX_IGU3_ISR_ISR(queue + FIRST_QSB_QID + 16) && count) - count--; - *MBOX_IGU3_ISRS = MBOX_IGU3_ISRS_SET(queue + FIRST_QSB_QID + 16); - } - else { - while ( MBOX_IGU3_ISR_ISR(queue) && count) - count--; - *MBOX_IGU3_ISRS = MBOX_IGU3_ISRS_SET(queue); - } - ASSERT(count != 0, "MBOX_IGU3_ISR = 0x%08x", ltq_r32(MBOX_IGU3_ISR)); -} - -static void set_qsb(struct atm_vcc *vcc, struct atm_qos *qos, unsigned int queue) -{ - struct clk *clk = clk_get(0, "fpi"); - unsigned int qsb_clk = clk_get_rate(clk); - unsigned int qsb_qid = queue + FIRST_QSB_QID; - union qsb_queue_parameter_table qsb_queue_parameter_table = {{0}}; - union qsb_queue_vbr_parameter_table qsb_queue_vbr_parameter_table = {{0}}; - unsigned int tmp; - -#if defined(DEBUG_QOS) && DEBUG_QOS - if ( (ifx_atm_dbg_enable & DBG_ENABLE_MASK_DUMP_QOS) ) { - static char *str_traffic_class[9] = { - "ATM_NONE", - "ATM_UBR", - "ATM_CBR", - "ATM_VBR", - "ATM_ABR", - "ATM_ANYCLASS", - "ATM_VBR_RT", - "ATM_UBR_PLUS", - "ATM_MAX_PCR" - }; - printk(KERN_INFO "QoS Parameters:\n"); - printk(KERN_INFO "\tAAL : %d\n", qos->aal); - printk(KERN_INFO "\tTX Traffic Class: %s\n", str_traffic_class[qos->txtp.traffic_class]); - printk(KERN_INFO "\tTX Max PCR : %d\n", qos->txtp.max_pcr); - printk(KERN_INFO "\tTX Min PCR : %d\n", qos->txtp.min_pcr); - printk(KERN_INFO "\tTX PCR : %d\n", qos->txtp.pcr); - printk(KERN_INFO "\tTX Max CDV : %d\n", qos->txtp.max_cdv); - printk(KERN_INFO "\tTX Max SDU : %d\n", qos->txtp.max_sdu); - printk(KERN_INFO "\tTX SCR : %d\n", qos->txtp.scr); - printk(KERN_INFO "\tTX MBS : %d\n", qos->txtp.mbs); - printk(KERN_INFO "\tTX CDV : %d\n", qos->txtp.cdv); - printk(KERN_INFO "\tRX Traffic Class: %s\n", str_traffic_class[qos->rxtp.traffic_class]); - printk(KERN_INFO "\tRX Max PCR : %d\n", qos->rxtp.max_pcr); - printk(KERN_INFO "\tRX Min PCR : %d\n", qos->rxtp.min_pcr); - printk(KERN_INFO "\tRX PCR : %d\n", qos->rxtp.pcr); - printk(KERN_INFO "\tRX Max CDV : %d\n", qos->rxtp.max_cdv); - printk(KERN_INFO "\tRX Max SDU : %d\n", qos->rxtp.max_sdu); - printk(KERN_INFO "\tRX SCR : %d\n", qos->rxtp.scr); - printk(KERN_INFO "\tRX MBS : %d\n", qos->rxtp.mbs); - printk(KERN_INFO "\tRX CDV : %d\n", qos->rxtp.cdv); - } -#endif // defined(DEBUG_QOS) && DEBUG_QOS - - /* - * Peak Cell Rate (PCR) Limiter - */ - if ( qos->txtp.max_pcr == 0 ) - qsb_queue_parameter_table.bit.tp = 0; /* disable PCR limiter */ - else { - /* peak cell rate would be slightly lower than requested [maximum_rate / pcr = (qsb_clock / 8) * (time_step / 4) / pcr] */ - tmp = ((qsb_clk * qsb_tstep) >> 5) / qos->txtp.max_pcr + 1; - /* check if overflow takes place */ - qsb_queue_parameter_table.bit.tp = tmp > QSB_TP_TS_MAX ? QSB_TP_TS_MAX : tmp; - } - - // A funny issue. Create two PVCs, one UBR and one UBR with max_pcr. - // Send packets to these two PVCs at same time, it trigger strange behavior. - // In A1, RAM from 0x80000000 to 0x0x8007FFFF was corrupted with fixed pattern 0x00000000 0x40000000. - // In A4, PPE firmware keep emiting unknown cell and do not respond to driver. - // To work around, create UBR always with max_pcr. - // If user want to create UBR without max_pcr, we give a default one larger than line-rate. - if ( qos->txtp.traffic_class == ATM_UBR && qsb_queue_parameter_table.bit.tp == 0 ) { - int port = g_atm_priv_data.conn[queue].port; - unsigned int max_pcr = g_atm_priv_data.port[port].tx_max_cell_rate + 1000; - - tmp = ((qsb_clk * qsb_tstep) >> 5) / max_pcr + 1; - if ( tmp > QSB_TP_TS_MAX ) - tmp = QSB_TP_TS_MAX; - else if ( tmp < 1 ) - tmp = 1; - qsb_queue_parameter_table.bit.tp = tmp; - } - - /* - * Weighted Fair Queueing Factor (WFQF) - */ - switch ( qos->txtp.traffic_class ) { - case ATM_CBR: - case ATM_VBR_RT: - /* real time queue gets weighted fair queueing bypass */ - qsb_queue_parameter_table.bit.wfqf = 0; - break; - case ATM_VBR_NRT: - case ATM_UBR_PLUS: - /* WFQF calculation here is based on virtual cell rates, to reduce granularity for high rates */ - /* WFQF is maximum cell rate / garenteed cell rate */ - /* wfqf = qsb_minimum_cell_rate * QSB_WFQ_NONUBR_MAX / requested_minimum_peak_cell_rate */ - if ( qos->txtp.min_pcr == 0 ) - qsb_queue_parameter_table.bit.wfqf = QSB_WFQ_NONUBR_MAX; - else - { - tmp = QSB_GCR_MIN * QSB_WFQ_NONUBR_MAX / qos->txtp.min_pcr; - if ( tmp == 0 ) - qsb_queue_parameter_table.bit.wfqf = 1; - else if ( tmp > QSB_WFQ_NONUBR_MAX ) - qsb_queue_parameter_table.bit.wfqf = QSB_WFQ_NONUBR_MAX; - else - qsb_queue_parameter_table.bit.wfqf = tmp; - } - break; - default: - case ATM_UBR: - qsb_queue_parameter_table.bit.wfqf = QSB_WFQ_UBR_BYPASS; - } - - /* - * Sustained Cell Rate (SCR) Leaky Bucket Shaper VBR.0/VBR.1 - */ - if ( qos->txtp.traffic_class == ATM_VBR_RT || qos->txtp.traffic_class == ATM_VBR_NRT ) { - if ( qos->txtp.scr == 0 ) { - /* disable shaper */ - qsb_queue_vbr_parameter_table.bit.taus = 0; - qsb_queue_vbr_parameter_table.bit.ts = 0; - } - else { - /* Cell Loss Priority (CLP) */ - if ( (vcc->atm_options & ATM_ATMOPT_CLP) ) - /* CLP1 */ - qsb_queue_parameter_table.bit.vbr = 1; - else - /* CLP0 */ - qsb_queue_parameter_table.bit.vbr = 0; - /* Rate Shaper Parameter (TS) and Burst Tolerance Parameter for SCR (tauS) */ - tmp = ((qsb_clk * qsb_tstep) >> 5) / qos->txtp.scr + 1; - qsb_queue_vbr_parameter_table.bit.ts = tmp > QSB_TP_TS_MAX ? QSB_TP_TS_MAX : tmp; - tmp = (qos->txtp.mbs - 1) * (qsb_queue_vbr_parameter_table.bit.ts - qsb_queue_parameter_table.bit.tp) / 64; - if ( tmp == 0 ) - qsb_queue_vbr_parameter_table.bit.taus = 1; - else if ( tmp > QSB_TAUS_MAX ) - qsb_queue_vbr_parameter_table.bit.taus = QSB_TAUS_MAX; - else - qsb_queue_vbr_parameter_table.bit.taus = tmp; - } - } - else { - qsb_queue_vbr_parameter_table.bit.taus = 0; - qsb_queue_vbr_parameter_table.bit.ts = 0; - } - - /* Queue Parameter Table (QPT) */ - *QSB_RTM = QSB_RTM_DM_SET(QSB_QPT_SET_MASK); - *QSB_RTD = QSB_RTD_TTV_SET(qsb_queue_parameter_table.dword); - *QSB_RAMAC = QSB_RAMAC_RW_SET(QSB_RAMAC_RW_WRITE) | QSB_RAMAC_TSEL_SET(QSB_RAMAC_TSEL_QPT) | QSB_RAMAC_LH_SET(QSB_RAMAC_LH_LOW) | QSB_RAMAC_TESEL_SET(qsb_qid); -#if defined(DEBUG_QOS) && DEBUG_QOS - if ( (ifx_atm_dbg_enable & DBG_ENABLE_MASK_DUMP_QOS) ) - printk("QPT: QSB_RTM (%08X) = 0x%08X, QSB_RTD (%08X) = 0x%08X, QSB_RAMAC (%08X) = 0x%08X\n", (unsigned int)QSB_RTM, *QSB_RTM, (unsigned int)QSB_RTD, *QSB_RTD, (unsigned int)QSB_RAMAC, *QSB_RAMAC); -#endif - /* Queue VBR Paramter Table (QVPT) */ - *QSB_RTM = QSB_RTM_DM_SET(QSB_QVPT_SET_MASK); - *QSB_RTD = QSB_RTD_TTV_SET(qsb_queue_vbr_parameter_table.dword); - *QSB_RAMAC = QSB_RAMAC_RW_SET(QSB_RAMAC_RW_WRITE) | QSB_RAMAC_TSEL_SET(QSB_RAMAC_TSEL_VBR) | QSB_RAMAC_LH_SET(QSB_RAMAC_LH_LOW) | QSB_RAMAC_TESEL_SET(qsb_qid); -#if defined(DEBUG_QOS) && DEBUG_QOS - if ( (ifx_atm_dbg_enable & DBG_ENABLE_MASK_DUMP_QOS) ) - printk("QVPT: QSB_RTM (%08X) = 0x%08X, QSB_RTD (%08X) = 0x%08X, QSB_RAMAC (%08X) = 0x%08X\n", (unsigned int)QSB_RTM, *QSB_RTM, (unsigned int)QSB_RTD, *QSB_RTD, (unsigned int)QSB_RAMAC, *QSB_RAMAC); -#endif - -#if defined(DEBUG_QOS) && DEBUG_QOS - if ( (ifx_atm_dbg_enable & DBG_ENABLE_MASK_DUMP_QOS) ) { - printk("set_qsb\n"); - printk(" qsb_clk = %lu\n", (unsigned long)qsb_clk); - printk(" qsb_queue_parameter_table.bit.tp = %d\n", (int)qsb_queue_parameter_table.bit.tp); - printk(" qsb_queue_parameter_table.bit.wfqf = %d (0x%08X)\n", (int)qsb_queue_parameter_table.bit.wfqf, (int)qsb_queue_parameter_table.bit.wfqf); - printk(" qsb_queue_parameter_table.bit.vbr = %d\n", (int)qsb_queue_parameter_table.bit.vbr); - printk(" qsb_queue_parameter_table.dword = 0x%08X\n", (int)qsb_queue_parameter_table.dword); - printk(" qsb_queue_vbr_parameter_table.bit.ts = %d\n", (int)qsb_queue_vbr_parameter_table.bit.ts); - printk(" qsb_queue_vbr_parameter_table.bit.taus = %d\n", (int)qsb_queue_vbr_parameter_table.bit.taus); - printk(" qsb_queue_vbr_parameter_table.dword = 0x%08X\n", (int)qsb_queue_vbr_parameter_table.dword); - } -#endif -} - -static void qsb_global_set(void) -{ - struct clk *clk = clk_get(0, "fpi"); - unsigned int qsb_clk = clk_get_rate(clk); - int i; - unsigned int tmp1, tmp2, tmp3; - - *QSB_ICDV = QSB_ICDV_TAU_SET(qsb_tau); - *QSB_SBL = QSB_SBL_SBL_SET(qsb_srvm); - *QSB_CFG = QSB_CFG_TSTEPC_SET(qsb_tstep >> 1); -#if defined(DEBUG_QOS) && DEBUG_QOS - if ( (ifx_atm_dbg_enable & DBG_ENABLE_MASK_DUMP_QOS) ) { - printk("qsb_clk = %u\n", qsb_clk); - printk("QSB_ICDV (%08X) = %d (%d), QSB_SBL (%08X) = %d (%d), QSB_CFG (%08X) = %d (%d)\n", (unsigned int)QSB_ICDV, *QSB_ICDV, QSB_ICDV_TAU_SET(qsb_tau), (unsigned int)QSB_SBL, *QSB_SBL, QSB_SBL_SBL_SET(qsb_srvm), (unsigned int)QSB_CFG, *QSB_CFG, QSB_CFG_TSTEPC_SET(qsb_tstep >> 1)); - } -#endif - - /* - * set SCT and SPT per port - */ - for ( i = 0; i < ATM_PORT_NUMBER; i++ ) { - if ( g_atm_priv_data.port[i].tx_max_cell_rate != 0 ) { - tmp1 = ((qsb_clk * qsb_tstep) >> 1) / g_atm_priv_data.port[i].tx_max_cell_rate; - tmp2 = tmp1 >> 6; /* integer value of Tsb */ - tmp3 = (tmp1 & ((1 << 6) - 1)) + 1; /* fractional part of Tsb */ - /* carry over to integer part (?) */ - if ( tmp3 == (1 << 6) ) - { - tmp3 = 0; - tmp2++; - } - if ( tmp2 == 0 ) - tmp2 = tmp3 = 1; - /* 1. set mask */ - /* 2. write value to data transfer register */ - /* 3. start the tranfer */ - /* SCT (FracRate) */ - *QSB_RTM = QSB_RTM_DM_SET(QSB_SET_SCT_MASK); - *QSB_RTD = QSB_RTD_TTV_SET(tmp3); - *QSB_RAMAC = QSB_RAMAC_RW_SET(QSB_RAMAC_RW_WRITE) | QSB_RAMAC_TSEL_SET(QSB_RAMAC_TSEL_SCT) | QSB_RAMAC_LH_SET(QSB_RAMAC_LH_LOW) | QSB_RAMAC_TESEL_SET(i & 0x01); -#if defined(DEBUG_QOS) && DEBUG_QOS - if ( (ifx_atm_dbg_enable & DBG_ENABLE_MASK_DUMP_QOS) ) - printk("SCT: QSB_RTM (%08X) = 0x%08X, QSB_RTD (%08X) = 0x%08X, QSB_RAMAC (%08X) = 0x%08X\n", (unsigned int)QSB_RTM, *QSB_RTM, (unsigned int)QSB_RTD, *QSB_RTD, (unsigned int)QSB_RAMAC, *QSB_RAMAC); -#endif - /* SPT (SBV + PN + IntRage) */ - *QSB_RTM = QSB_RTM_DM_SET(QSB_SET_SPT_MASK); - *QSB_RTD = QSB_RTD_TTV_SET(QSB_SPT_SBV_VALID | QSB_SPT_PN_SET(i & 0x01) | QSB_SPT_INTRATE_SET(tmp2)); - *QSB_RAMAC = QSB_RAMAC_RW_SET(QSB_RAMAC_RW_WRITE) | QSB_RAMAC_TSEL_SET(QSB_RAMAC_TSEL_SPT) | QSB_RAMAC_LH_SET(QSB_RAMAC_LH_LOW) | QSB_RAMAC_TESEL_SET(i & 0x01); -#if defined(DEBUG_QOS) && DEBUG_QOS - if ( (ifx_atm_dbg_enable & DBG_ENABLE_MASK_DUMP_QOS) ) - printk("SPT: QSB_RTM (%08X) = 0x%08X, QSB_RTD (%08X) = 0x%08X, QSB_RAMAC (%08X) = 0x%08X\n", (unsigned int)QSB_RTM, *QSB_RTM, (unsigned int)QSB_RTD, *QSB_RTD, (unsigned int)QSB_RAMAC, *QSB_RAMAC); -#endif - } - } -} - -static INLINE void set_htu_entry(unsigned int vpi, unsigned int vci, unsigned int queue, int aal5, int is_retx) -{ - struct htu_entry htu_entry = { res1: 0x00, - clp: is_retx ? 0x01 : 0x00, - pid: g_atm_priv_data.conn[queue].port & 0x01, - vpi: vpi, - vci: vci, - pti: 0x00, - vld: 0x01}; - - struct htu_mask htu_mask = { set: 0x01, -#if !defined(ENABLE_ATM_RETX) || !ENABLE_ATM_RETX - clp: 0x01, - pid_mask: 0x02, -#else - clp: g_retx_htu ? 0x00 : 0x01, - pid_mask: RETX_MODE_CFG->retx_en ? 0x03 : 0x02, -#endif - vpi_mask: 0x00, -#if !defined(ENABLE_ATM_RETX) || !ENABLE_ATM_RETX - vci_mask: 0x0000, -#else - vci_mask: RETX_MODE_CFG->retx_en ? 0xFF00 : 0x0000, -#endif - pti_mask: 0x03, // 0xx, user data - clear: 0x00}; - - struct htu_result htu_result = {res1: 0x00, - cellid: queue, - res2: 0x00, - type: aal5 ? 0x00 : 0x01, - ven: 0x01, - res3: 0x00, - qid: queue}; - - *HTU_RESULT(queue + OAM_HTU_ENTRY_NUMBER) = htu_result; - *HTU_MASK(queue + OAM_HTU_ENTRY_NUMBER) = htu_mask; - *HTU_ENTRY(queue + OAM_HTU_ENTRY_NUMBER) = htu_entry; -} - -static INLINE void clear_htu_entry(unsigned int queue) -{ - HTU_ENTRY(queue + OAM_HTU_ENTRY_NUMBER)->vld = 0; -} - -static void validate_oam_htu_entry(void) -{ - HTU_ENTRY(OAM_F4_SEG_HTU_ENTRY)->vld = 1; - HTU_ENTRY(OAM_F4_TOT_HTU_ENTRY)->vld = 1; - HTU_ENTRY(OAM_F5_HTU_ENTRY)->vld = 1; -#if defined(ENABLE_ATM_RETX) && ENABLE_ATM_RETX - HTU_ENTRY(OAM_ARQ_HTU_ENTRY)->vld = 1; -#endif -} - -static void invalidate_oam_htu_entry(void) -{ - HTU_ENTRY(OAM_F4_SEG_HTU_ENTRY)->vld = 0; - HTU_ENTRY(OAM_F4_TOT_HTU_ENTRY)->vld = 0; - HTU_ENTRY(OAM_F5_HTU_ENTRY)->vld = 0; -#if defined(ENABLE_ATM_RETX) && ENABLE_ATM_RETX - HTU_ENTRY(OAM_ARQ_HTU_ENTRY)->vld = 0; -#endif -} - -static INLINE int find_vpi(unsigned int vpi) -{ - int i; - unsigned int bit; - - for ( i = 0, bit = 1; i < MAX_PVC_NUMBER; i++, bit <<= 1 ) { - if ( (g_atm_priv_data.conn_table & bit) != 0 - && g_atm_priv_data.conn[i].vcc != NULL - && vpi == g_atm_priv_data.conn[i].vcc->vpi ) - return i; - } - - return -1; -} - -static INLINE int find_vpivci(unsigned int vpi, unsigned int vci) -{ - int i; - unsigned int bit; - - for ( i = 0, bit = 1; i < MAX_PVC_NUMBER; i++, bit <<= 1 ) { - if ( (g_atm_priv_data.conn_table & bit) != 0 - && g_atm_priv_data.conn[i].vcc != NULL - && vpi == g_atm_priv_data.conn[i].vcc->vpi - && vci == g_atm_priv_data.conn[i].vcc->vci ) - return i; - } - - return -1; -} - -static INLINE int find_vcc(struct atm_vcc *vcc) -{ - int i; - unsigned int bit; - - for ( i = 0, bit = 1; i < MAX_PVC_NUMBER; i++, bit <<= 1 ) { - if ( (g_atm_priv_data.conn_table & bit) != 0 - && g_atm_priv_data.conn[i].vcc == vcc ) - return i; - } - - return -1; -} - -#if defined(ENABLE_ATM_RETX) && ENABLE_ATM_RETX - -static void retx_polling_func(unsigned long arg) -{ - int sys_flag; - volatile struct dsl_param *p_dsl_param; - int new_retx_htu; - int retx_en; - int i, max_htu; - - local_irq_save(sys_flag); - if ( g_retx_playout_buffer == 0 && g_xdata_addr != NULL && (((volatile struct dsl_param *)g_xdata_addr)->RetxEnable || ((volatile struct dsl_param *)g_xdata_addr)->ServiceSpecificReTx) ) { - local_irq_restore(sys_flag); - g_retx_playout_buffer = __get_free_pages(GFP_KERNEL, RETX_PLAYOUT_BUFFER_ORDER); - if ( g_retx_playout_buffer == 0 ) - panic("no memory for g_retx_playout_buffer\n"); - memset((void *)g_retx_playout_buffer, 0, RETX_PLAYOUT_BUFFER_SIZE); - dma_cache_inv(g_retx_playout_buffer, RETX_PLAYOUT_BUFFER_SIZE); - } - else - local_irq_restore(sys_flag); - - - local_irq_save(sys_flag); - if ( g_xdata_addr != NULL ) { - p_dsl_param = (volatile struct dsl_param *)g_xdata_addr; - g_retx_polling_cnt += RETX_POLLING_INTERVAL; - - if ( p_dsl_param->update_flag ) { - do_gettimeofday(&g_retx_polling_start); - - g_dsl_param = *p_dsl_param; - - // we always enable retx (just for test purpose) - //g_dsl_param.RetxEnable = 1; - //RETX_TSYNC_CFG->fw_alpha = 0; - - if ( g_dsl_param.RetxEnable || g_dsl_param.ServiceSpecificReTx ) { - // ReTX enabled - // MIB counter updated for each polling - p_dsl_param->RxDtuCorruptedCNT = *RxDTUCorruptedCNT; - p_dsl_param->RxRetxDtuUnCorrectedCNT = *RxRetxDTUUncorrectedCNT; - p_dsl_param->RxLastEFB = *RxLastEFBCNT; - p_dsl_param->RxDtuCorrectedCNT = *RxDTUCorrectedCNT; - - // for RETX paramters, we check only once for every second - if ( g_retx_polling_cnt < HZ ) - goto _clear_update_flag; - - g_retx_polling_cnt -= HZ; - - if ( g_dsl_param.ServiceSpecificReTx && g_dsl_param.ReTxPVC == 0 ) - new_retx_htu = 1; - else - new_retx_htu = 0; - - // default fw_alpha equals to default hardware alpha - RETX_TSYNC_CFG->fw_alpha = 0; - - RETX_TD_CFG->td_max = g_dsl_param.MaxDelayrt; - RETX_TD_CFG->td_min = g_dsl_param.MinDelayrt; - - *RETX_PLAYOUT_BUFFER_BASE = ((((unsigned int)g_retx_playout_buffer | KSEG1) + 15) & 0xFFFFFFF0) >> 2; - - if ( g_dsl_param.ServiceSpecificReTx ) { - *RETX_SERVICE_HEADER_CFG= g_dsl_param.ReTxPVC << 4; - if ( g_dsl_param.ReTxPVC == 0 ) - *RETX_MASK_HEADER_CFG = 1; - else - *RETX_MASK_HEADER_CFG = 0; - } - else { - *RETX_SERVICE_HEADER_CFG= 0; - *RETX_MASK_HEADER_CFG = 0; - } - - retx_en = 1; - } - else { - // ReTX disabled - - new_retx_htu = 0; - - RETX_TSYNC_CFG->fw_alpha = 7; - - *RETX_SERVICE_HEADER_CFG = 0; - *RETX_MASK_HEADER_CFG = 0; - - retx_en = 0; - } - - - if ( retx_en != RETX_MODE_CFG->retx_en ) { - unsigned int pid_mask, vci_mask; - - if ( retx_en ) { - pid_mask = 0x03; - vci_mask = 0xFF00; - } - else { - pid_mask = 0x02; - vci_mask = 0x0000; - } - - max_htu = *CFG_WRX_HTUTS; - for ( i = OAM_HTU_ENTRY_NUMBER; i < max_htu; i++ ) - if ( HTU_ENTRY(i)->vld ) { - HTU_MASK(i)->pid_mask = pid_mask; - HTU_MASK(i)->vci_mask = vci_mask; - } - } - - if ( new_retx_htu != g_retx_htu ) { - int conn, retx_conn; - - g_retx_htu = new_retx_htu; - - if ( g_retx_htu ) { - max_htu = *CFG_WRX_HTUTS; - for ( i = OAM_HTU_ENTRY_NUMBER; i < max_htu; i++ ) - if ( HTU_ENTRY(i)->vld ) - HTU_MASK(i)->clp = 0; - - for ( conn = 0; conn < MAX_PVC_NUMBER; conn++ ) - if ( g_atm_priv_data.conn[conn].vcc && g_atm_priv_data.conn[conn].vcc->qos.aal == ATM_AAL5 && !HTU_ENTRY(conn + OAM_HTU_ENTRY_NUMBER)->clp ) { - retx_conn = (conn + 8) % 16; // ReTX queue - - if ( retx_conn < MAX_PVC_NUMBER && test_and_set_bit(retx_conn, &g_atm_priv_data.conn_table) == 0 ) { - g_atm_priv_data.conn[retx_conn].vcc = g_atm_priv_data.conn[conn].vcc; - set_htu_entry(g_atm_priv_data.conn[conn].vcc->vpi, g_atm_priv_data.conn[conn].vcc->vci, retx_conn, g_atm_priv_data.conn[conn].vcc->qos.aal == ATM_AAL5 ? 1 : 0, 1); - } - else { - err("Queue number %d for ReTX queue of PVC(%d.%d) is not available!", retx_conn, g_atm_priv_data.conn[conn].vcc->vpi, g_atm_priv_data.conn[conn].vcc->vci); - } - } - } - else - { - for ( retx_conn = 0; retx_conn < MAX_PVC_NUMBER; retx_conn++ ) - if ( g_atm_priv_data.conn[retx_conn].vcc && HTU_ENTRY(retx_conn + OAM_HTU_ENTRY_NUMBER)->clp ) { - clear_htu_entry(retx_conn); - g_atm_priv_data.conn[retx_conn].vcc = NULL; - g_atm_priv_data.conn[retx_conn].aal5_vcc_crc_err = 0; - g_atm_priv_data.conn[retx_conn].aal5_vcc_oversize_sdu = 0; - clear_bit(retx_conn, &g_atm_priv_data.conn_table); - } - - max_htu = *CFG_WRX_HTUTS; - for ( i = OAM_HTU_ENTRY_NUMBER; i < max_htu; i++ ) - if ( HTU_ENTRY(i)->vld ) - HTU_MASK(i)->clp = 1; - } - } - - RETX_MODE_CFG->retx_en = retx_en; - -_clear_update_flag: - p_dsl_param->update_flag = 0; - - do_gettimeofday(&g_retx_polling_end); - } - - g_retx_polling_timer.expires = jiffies + RETX_POLLING_INTERVAL; - add_timer(&g_retx_polling_timer); - } - local_irq_restore(sys_flag); -} - -static int init_atm_tc_retrans_param(void) -{ - int i = 0; - struct DTU_stat_info reset_val; - - RETX_MODE_CFG->invld_range = 128; - RETX_MODE_CFG->buff_size = RETX_PLAYOUT_FW_BUFF_SIZE > 4096/32 ? 4096/32 : RETX_PLAYOUT_FW_BUFF_SIZE ; - RETX_MODE_CFG->retx_en = 1; - - // default fw_alpha equals to default hardware alpha - RETX_TSYNC_CFG->fw_alpha = 7; - RETX_TSYNC_CFG->sync_inp = 0; - - RETX_TD_CFG->td_max = 0; - RETX_TD_CFG->td_min = 0; - - // *RETX_PLAYOUT_BUFFER_BASE = KSEG1ADDR(g_retx_playout_buffer); // need " >> 2 " ? - *RETX_PLAYOUT_BUFFER_BASE = ((((unsigned int)g_retx_playout_buffer | KSEG1) + 15) & 0xFFFFFFF0) >> 2; - - *RETX_SERVICE_HEADER_CFG = 0; - *RETX_MASK_HEADER_CFG = 0; - - // 20us - RETX_MIB_TIMER_CFG->tick_cycle = 4800; - RETX_MIB_TIMER_CFG->ticks_per_sec = 50000; - - *LAST_DTU_SID_IN = 255; - *RFBI_FIRST_CW = 1; - // init DTU_STAT_INFO - - memset(&reset_val, 0, sizeof(reset_val)); - reset_val.dtu_rd_ptr = reset_val.dtu_wr_ptr = 0xffff; - - for(i = 0 ; i < 256; i ++) { - DTU_STAT_INFO[i] = reset_val; - } - return 0; -} - -static void clear_atm_tc_retrans_param(void) -{ - if ( g_retx_playout_buffer ) { - free_pages(g_retx_playout_buffer, RETX_PLAYOUT_BUFFER_ORDER); - g_retx_playout_buffer = 0; - } -} - -#endif - -#if defined(DEBUG_DUMP_SKB) && DEBUG_DUMP_SKB -static void dump_skb(struct sk_buff *skb, unsigned int len, char *title, int port, int ch, int is_tx) -{ - int i; - - if ( !(ifx_atm_dbg_enable & (is_tx ? DBG_ENABLE_MASK_DUMP_SKB_TX : DBG_ENABLE_MASK_DUMP_SKB_RX)) ) - return; - - if ( skb->len < len ) - len = skb->len; - - if ( len > RX_DMA_CH_AAL_BUF_SIZE ) { - printk("too big data length: skb = %08x, skb->data = %08x, skb->len = %d\n", (unsigned int)skb, (unsigned int)skb->data, skb->len); - return; - } - - if ( ch >= 0 ) - printk("%s (port %d, ch %d)\n", title, port, ch); - else - printk("%s\n", title); - printk(" skb->data = %08X, skb->tail = %08X, skb->len = %d\n", (unsigned int)skb->data, (unsigned int)skb->tail, (int)skb->len); - for ( i = 1; i <= len; i++ ) { - if ( i % 16 == 1 ) - printk(" %4d:", i - 1); - printk(" %02X", (int)(*((char*)skb->data + i - 1) & 0xFF)); - if ( i % 16 == 0 ) - printk("\n"); - } - if ( (i - 1) % 16 != 0 ) - printk("\n"); -} -#endif - -#if defined(ENABLE_DBG_PROC) && ENABLE_DBG_PROC -static void skb_swap(struct sk_buff *skb, unsigned int byteoff) -{ - unsigned int mac_offset = ~0; - unsigned int ip_offset = ~0; - unsigned char tmp[8]; - unsigned char *p = NULL; - - skb_pull(skb, byteoff + TX_INBAND_HEADER_LENGTH); - - if ( skb->data[0] == 0xAA && skb->data[1] == 0xAA && skb->data[2] == 0x03 ) { - // LLC - if ( skb->data[3] == 0x00 && skb->data[4] == 0x80 && skb->data[5] == 0xC2 ) { - // EoA - if ( skb->data[22] == 0x08 && skb->data[23] == 0x00 ) { - // IPv4 - mac_offset = 10; - ip_offset = 24; - } - else if ( skb->data[31] == 0x21 ) { - // PPPoE IPv4 - mac_offset = 10; - ip_offset = 32; - } - } - else { - // IPoA - if ( skb->data[6] == 0x08 && skb->data[7] == 0x00 ) { - // IPv4 - ip_offset = 8; - } - } - } - else if ( skb->data[0] == 0xFE && skb->data[1] == 0xFE && skb->data[2] == 0x03 ) { - // LLC PPPoA - if ( skb->data[4] == 0x00 && skb->data[5] == 0x21 ) { - // IPv4 - ip_offset = 6; - } - } - else { - // VC-mux - if ( skb->data[0] == 0x00 && skb->data[1] == 0x21 ) { - // PPPoA IPv4 - ip_offset = 2; - } - else if ( skb->data[0] == 0x00 && skb->data[1] == 0x00 ) { - // EoA - if ( skb->data[14] == 0x08 && skb->data[15] ==0x00 ) { - // IPv4 - mac_offset = 2; - ip_offset = 16; - } - else if ( skb->data[23] == 0x21 ) { - // PPPoE IPv4 - mac_offset = 2; - ip_offset = 26; - } - } - else { - // IPoA - ip_offset = 0; - } - } - - if ( mac_offset != ~0 && !(skb->data[mac_offset] & 0x01) ) { - p = skb->data + mac_offset; - // swap MAC - memcpy(tmp, p, 6); - memcpy(p, p + 6, 6); - memcpy(p + 6, tmp, 6); - p += 12; - } - - if ( ip_offset != ~0 ) { - p = skb->data + ip_offset + 12; - // swap IP - memcpy(tmp, p, 4); - memcpy(p, p + 4, 4); - memcpy(p + 4, tmp, 4); - p += 8; - } - - if ( p != NULL ) { - dma_cache_wback((unsigned long)skb->data, (unsigned long)p - (unsigned long)skb->data); - } - - skb_push(skb, byteoff + TX_INBAND_HEADER_LENGTH); -} -#endif - -static INLINE void proc_file_create(void) -{ - struct proc_dir_entry *res; - - g_atm_dir = proc_mkdir("driver/ifx_atm", NULL); - - create_proc_read_entry("version", - 0, - g_atm_dir, - proc_read_version, - NULL); - - res = create_proc_entry("mib", - 0, - g_atm_dir); - if ( res != NULL ) { - res->read_proc = proc_read_mib; - res->write_proc = proc_write_mib; - } - -#if defined(ENABLE_ATM_RETX) && ENABLE_ATM_RETX - res = create_proc_entry("retx_mib", - 0, - g_atm_dir); - if ( res != NULL ) { - res->read_proc = proc_read_retx_mib; - res->write_proc = proc_write_retx_mib; - } -#endif - -#if defined(ENABLE_DBG_PROC) && ENABLE_DBG_PROC - res = create_proc_entry("dbg", - 0, - g_atm_dir); - if ( res != NULL ) { - res->read_proc = proc_read_dbg; - res->write_proc = proc_write_dbg; - } - - res = create_proc_entry("mem", - 0, - g_atm_dir); - if ( res != NULL ) - res->write_proc = proc_write_mem; - - #if defined(CONFIG_AR9) || defined(CONFIG_VR9) || defined(CONFIG_DANUBE) || defined(CONFIG_AMAZON_SE) - res = create_proc_entry("pp32", - 0, - g_atm_dir); - if ( res != NULL ) { - res->read_proc = proc_read_pp32; - res->write_proc = proc_write_pp32; - } - #endif -#endif - -#if defined(ENABLE_FW_PROC) && ENABLE_FW_PROC - create_proc_read_entry("htu", - 0, - g_atm_dir, - proc_read_htu, - NULL); - - create_proc_read_entry("txq", - 0, - g_atm_dir, - proc_read_txq, - NULL); - - #if defined(ENABLE_ATM_RETX) && ENABLE_ATM_RETX - create_proc_read_entry("retx_fw", - 0, - g_atm_dir, - proc_read_retx_fw, - NULL); - - res = create_proc_entry("retx_stats", - 0, - g_atm_dir); - if ( res != NULL ) { - res->read_proc = proc_read_retx_stats; - res->write_proc = proc_write_retx_stats; - } - - res = create_proc_entry("retx_cfg", - 0, - g_atm_dir); - if ( res != NULL ) { - res->read_proc = proc_read_retx_cfg; - res->write_proc = proc_write_retx_cfg; - } - - create_proc_read_entry("retx_dsl_param", - 0, - g_atm_dir, - proc_read_retx_dsl_param, - NULL); - #endif -#endif -} - -static INLINE void proc_file_delete(void) -{ -#if defined(ENABLE_FW_PROC) && ENABLE_FW_PROC - #if defined(ENABLE_ATM_RETX) && ENABLE_ATM_RETX - remove_proc_entry("retx_dsl_param", g_atm_dir); - - remove_proc_entry("retx_cfg", g_atm_dir); - - remove_proc_entry("retx_stats", g_atm_dir); - - remove_proc_entry("retx_fw", g_atm_dir); - #endif - - remove_proc_entry("txq", g_atm_dir); - - remove_proc_entry("htu", g_atm_dir); -#endif - -#if defined(ENABLE_DBG_PROC) && ENABLE_DBG_PROC - #if defined(CONFIG_AR9) || defined(CONFIG_VR9) || defined(CONFIG_DANUBE) || defined(CONFIG_AMAZON_SE) - remove_proc_entry("pp32", g_atm_dir); - #endif - - remove_proc_entry("mem", g_atm_dir); - - remove_proc_entry("dbg", g_atm_dir); -#endif - -#if defined(ENABLE_ATM_RETX) && ENABLE_ATM_RETX - remove_proc_entry("retx_mib", g_atm_dir); -#endif - - remove_proc_entry("mib", g_atm_dir); - - remove_proc_entry("version", g_atm_dir); - - remove_proc_entry("driver/ifx_atm", NULL); -} - -static int proc_read_version(char *buf, char **start, off_t offset, int count, int *eof, void *data) -{ - int len = 0; - - len += ifx_atm_version(buf + len); - - if ( offset >= len ) { - *start = buf; - *eof = 1; - return 0; - } - *start = buf + offset; - if ( (len -= offset) > count ) - return count; - *eof = 1; - return len; -} - -static int proc_read_mib(char *page, char **start, off_t off, int count, int *eof, void *data) -{ - int len = 0; - - len += sprintf(page + off + len, "Firmware\n"); - len += sprintf(page + off + len, " wrx_drophtu_cell = %u\n", WAN_MIB_TABLE->wrx_drophtu_cell); - len += sprintf(page + off + len, " wrx_dropdes_pdu = %u\n", WAN_MIB_TABLE->wrx_dropdes_pdu); - len += sprintf(page + off + len, " wrx_correct_pdu = %u\n", WAN_MIB_TABLE->wrx_correct_pdu); - len += sprintf(page + off + len, " wrx_err_pdu = %u\n", WAN_MIB_TABLE->wrx_err_pdu); - len += sprintf(page + off + len, " wrx_dropdes_cell = %u\n", WAN_MIB_TABLE->wrx_dropdes_cell); - len += sprintf(page + off + len, " wrx_correct_cell = %u\n", WAN_MIB_TABLE->wrx_correct_cell); - len += sprintf(page + off + len, " wrx_err_cell = %u\n", WAN_MIB_TABLE->wrx_err_cell); - len += sprintf(page + off + len, " wrx_total_byte = %u\n", WAN_MIB_TABLE->wrx_total_byte); - len += sprintf(page + off + len, " wtx_total_pdu = %u\n", WAN_MIB_TABLE->wtx_total_pdu); - len += sprintf(page + off + len, " wtx_total_cell = %u\n", WAN_MIB_TABLE->wtx_total_cell); - len += sprintf(page + off + len, " wtx_total_byte = %u\n", WAN_MIB_TABLE->wtx_total_byte); - len += sprintf(page + off + len, "Driver\n"); - len += sprintf(page + off + len, " wrx_pdu = %u\n", g_atm_priv_data.wrx_pdu); - len += sprintf(page + off + len, " wrx_drop_pdu = %u\n", g_atm_priv_data.wrx_drop_pdu); - len += sprintf(page + off + len, " wtx_pdu = %u\n", g_atm_priv_data.wtx_pdu); - len += sprintf(page + off + len, " wtx_err_pdu = %u\n", g_atm_priv_data.wtx_err_pdu); - len += sprintf(page + off + len, " wtx_drop_pdu = %u\n", g_atm_priv_data.wtx_drop_pdu); - - *eof = 1; - - return len; -} - -static int proc_write_mib(struct file *file, const char *buf, unsigned long count, void *data) -{ - char str[1024]; - char *p; - int len, rlen; - - len = count < sizeof(str) ? count : sizeof(str) - 1; - rlen = len - copy_from_user(str, buf, len); - while ( rlen && str[rlen - 1] <= ' ' ) - rlen--; - str[rlen] = 0; - for ( p = str; *p && *p <= ' '; p++, rlen-- ); - if ( !*p ) - return 0; - - if ( stricmp(p, "clear") == 0 || stricmp(p, "clear all") == 0 - || stricmp(p, "clean") == 0 || stricmp(p, "clean all") == 0 ) { - memset(WAN_MIB_TABLE, 0, sizeof(*WAN_MIB_TABLE)); - g_atm_priv_data.wrx_pdu = 0; - g_atm_priv_data.wrx_drop_pdu = 0; - g_atm_priv_data.wtx_pdu = 0; - g_atm_priv_data.wtx_err_pdu = 0; - g_atm_priv_data.wtx_drop_pdu = 0; - } - - return count; -} - -#if defined(ENABLE_ATM_RETX) && ENABLE_ATM_RETX - -static int proc_read_retx_mib(char *page, char **start, off_t off, int count, int *eof, void *data) -{ - int len = 0; - - printk("Retx FW DTU MIB :\n"); - printk(" rx_total_dtu = %u\n", *URETX_RX_TOTAL_DTU); - printk(" rx_bad_dtu = %u\n", *URETX_RX_BAD_DTU); - printk(" rx_good_dtu = %u\n", *URETX_RX_GOOD_DTU); - printk(" rx_corrected_dtu = %u\n", *URETX_RX_CORRECTED_DTU); - printk(" rx_outofdate_dtu = %u\n", *URETX_RX_OUTOFDATE_DTU); - printk(" rx_duplicate_dtu = %u\n", *URETX_RX_DUPLICATE_DTU); - printk(" rx_timeout_dtu = %u\n", *URETX_RX_TIMEOUT_DTU); - printk(" RxDTURetransmittedCNT = %u\n", *RxDTURetransmittedCNT); - printk("\n"); - - printk("Retx Standard DTU MIB:\n"); - printk(" RxLastEFB = %u\n", *RxLastEFBCNT); - printk(" RxDTUCorrectedCNT = %u\n", *RxDTUCorrectedCNT); - printk(" RxDTUCorruptedCNT = %u\n", *RxDTUCorruptedCNT); - printk(" RxRetxDTUUncorrectedCNT = %u\n", *RxRetxDTUUncorrectedCNT); - printk("\n"); - - printk("Retx FW Cell MIB :\n"); - printk(" bc0_total_cell = %u\n", *WRX_BC0_CELL_NUM); - printk(" bc0_drop_cell = %u\n", *WRX_BC0_DROP_CELL_NUM); - printk(" bc0_nonretx_cell = %u\n", *WRX_BC0_NONRETX_CELL_NUM); - printk(" bc0_retx_cell = %u\n", *WRX_BC0_RETX_CELL_NUM); - printk(" bc0_outofdate_cell = %u\n", *WRX_BC0_OUTOFDATE_CELL_NUM); - printk(" bc0_directup_cell = %u\n", *WRX_BC0_DIRECTUP_NUM); - printk(" bc0_to_pb_total_cell = %u\n", *WRX_BC0_PBW_TOTAL_NUM); - printk(" bc0_to_pb_succ_cell = %u\n", *WRX_BC0_PBW_SUCC_NUM); - printk(" bc0_to_pb_fail_cell = %u\n", *WRX_BC0_PBW_FAIL_NUM); - printk(" bc1_total_cell = %u\n", *WRX_BC1_CELL_NUM); - - printk("\n"); - - printk("ATM Rx AAL5/OAM MIB:\n"); - printk(" wrx_drophtu_cell = %u\n", WAN_MIB_TABLE->wrx_drophtu_cell); - printk(" wrx_dropdes_pdu = %u\n", WAN_MIB_TABLE->wrx_dropdes_pdu); - - printk(" wrx_correct_pdu = %-10u ", WAN_MIB_TABLE->wrx_correct_pdu); - if ( WAN_MIB_TABLE->wrx_correct_pdu == 0 ) - printk("\n"); - else { - int i = 0; - - printk("[ "); - for ( i = 0; i < 16; ++i ) { - if ( WRX_PER_PVC_CORRECT_PDU_BASE[i] ) - printk("q%-2d = %-10u , ", i, WRX_PER_PVC_CORRECT_PDU_BASE[i]); - } - printk("]\n"); - } - - printk(" wrx_err_pdu = %-10u ", WAN_MIB_TABLE->wrx_err_pdu); - if ( WAN_MIB_TABLE->wrx_err_pdu == 0 ) - printk("\n"); - else { - int i = 0; - - printk("[ "); - for ( i = 0; i < 16; ++i ) { - if ( WRX_PER_PVC_ERROR_PDU_BASE[i] ) - printk("q%-2d = %-10u , ", i, WRX_PER_PVC_ERROR_PDU_BASE[i] ); - } - printk("]\n"); - } - - printk(" wrx_dropdes_cell = %u\n", WAN_MIB_TABLE->wrx_dropdes_cell); - printk(" wrx_correct_cell = %u\n", WAN_MIB_TABLE->wrx_correct_cell); - printk(" wrx_err_cell = %u\n", WAN_MIB_TABLE->wrx_err_cell); - printk(" wrx_total_byte = %u\n", WAN_MIB_TABLE->wrx_total_byte); - printk("\n"); - - printk("ATM Tx MIB:\n"); - printk(" wtx_total_pdu = %u\n", WAN_MIB_TABLE->wtx_total_pdu); - printk(" wtx_total_cell = %u\n", WAN_MIB_TABLE->wtx_total_cell); - printk(" wtx_total_byte = %u\n", WAN_MIB_TABLE->wtx_total_byte); - printk("\n"); - - printk("Debugging Info:\n"); - printk(" Firmware version = %d.%d.%d.%d.%d.%d\n", - (int)FW_VER_ID->family, (int)FW_VER_ID->fwtype, (int)FW_VER_ID->interface, - (int)FW_VER_ID->fwmode, (int)FW_VER_ID->major, (int)FW_VER_ID->minor); - - printk(" retx_alpha_switch_to_hunt_times = %u\n", *URETX_ALPHA_SWITCH_TO_HUNT_TIMES); - - printk("\n"); - - *eof = 1; - - return len; -} - -static int proc_write_retx_mib(struct file *file, const char *buf, unsigned long count, void *data) -{ - char str[2048]; - char *p; - int len, rlen; - int i; - - len = count < sizeof(str) ? count : sizeof(str) - 1; - rlen = len - copy_from_user(str, buf, len); - while ( rlen && str[rlen - 1] <= ' ' ) - rlen--; - str[rlen] = 0; - for ( p = str; *p && *p <= ' '; p++, rlen-- ); - if ( !*p ) - return 0; - - if ( stricmp(p, "clean") == 0 || stricmp(p, "clear") == 0 || stricmp(p, "clear_all") == 0) { - *URETX_RX_TOTAL_DTU = 0; - *URETX_RX_BAD_DTU = 0; - *URETX_RX_GOOD_DTU = 0; - *URETX_RX_CORRECTED_DTU = 0; - *URETX_RX_OUTOFDATE_DTU = 0; - *URETX_RX_DUPLICATE_DTU = 0; - *URETX_RX_TIMEOUT_DTU = 0; - *RxDTURetransmittedCNT = 0; - - *WRX_BC0_CELL_NUM = 0; - *WRX_BC0_DROP_CELL_NUM = 0; - *WRX_BC0_NONRETX_CELL_NUM = 0; - *WRX_BC0_RETX_CELL_NUM = 0; - *WRX_BC0_OUTOFDATE_CELL_NUM = 0; - *WRX_BC0_DIRECTUP_NUM = 0; - *WRX_BC0_PBW_TOTAL_NUM = 0; - *WRX_BC0_PBW_SUCC_NUM = 0; - *WRX_BC0_PBW_FAIL_NUM = 0; - *WRX_BC1_CELL_NUM = 0; - - for ( i = 0; i < 16; ++i ) { - WRX_PER_PVC_CORRECT_PDU_BASE[i] = 0; - WRX_PER_PVC_ERROR_PDU_BASE[i] = 0; - } - - WAN_MIB_TABLE->wrx_drophtu_cell = 0; - WAN_MIB_TABLE->wrx_dropdes_pdu = 0; - WAN_MIB_TABLE->wrx_correct_pdu = 0; - WAN_MIB_TABLE->wrx_err_pdu = 0; - WAN_MIB_TABLE->wrx_dropdes_cell = 0; - WAN_MIB_TABLE->wrx_correct_cell = 0; - WAN_MIB_TABLE->wrx_err_cell = 0; - WAN_MIB_TABLE->wrx_total_byte = 0; - - WAN_MIB_TABLE->wtx_total_pdu = 0; - WAN_MIB_TABLE->wtx_total_cell = 0; - WAN_MIB_TABLE->wtx_total_byte = 0; - - *URETX_ALPHA_SWITCH_TO_HUNT_TIMES = 0; - - if (stricmp(p, "clear_all") == 0) { - *RxLastEFBCNT = 0; - *RxDTUCorrectedCNT = 0; - *RxDTUCorruptedCNT = 0; - *RxRetxDTUUncorrectedCNT = 0; - } - } - - return count; -} - -#endif - -#if defined(ENABLE_DBG_PROC) && ENABLE_DBG_PROC - -static int proc_read_dbg(char *page, char **start, off_t off, int count, int *eof, void *data) -{ - int len = 0; - - len += sprintf(page + off + len, "error print - %s\n", (ifx_atm_dbg_enable & DBG_ENABLE_MASK_ERR) ? "enabled" : "disabled"); - len += sprintf(page + off + len, "debug print - %s\n", (ifx_atm_dbg_enable & DBG_ENABLE_MASK_DEBUG_PRINT) ? "enabled" : "disabled"); - len += sprintf(page + off + len, "assert - %s\n", (ifx_atm_dbg_enable & DBG_ENABLE_MASK_ASSERT) ? "enabled" : "disabled"); - len += sprintf(page + off + len, "dump rx skb - %s\n", (ifx_atm_dbg_enable & DBG_ENABLE_MASK_DUMP_SKB_RX) ? "enabled" : "disabled"); - len += sprintf(page + off + len, "dump tx skb - %s\n", (ifx_atm_dbg_enable & DBG_ENABLE_MASK_DUMP_SKB_TX) ? "enabled" : "disabled"); - len += sprintf(page + off + len, "qos - %s\n", (ifx_atm_dbg_enable & DBG_ENABLE_MASK_DUMP_QOS) ? "enabled" : "disabled"); - len += sprintf(page + off + len, "dump init - %s\n", (ifx_atm_dbg_enable & DBG_ENABLE_MASK_DUMP_INIT) ? "enabled" : "disabled"); - len += sprintf(page + off + len, "mac swap - %s\n", (ifx_atm_dbg_enable & DBG_ENABLE_MASK_MAC_SWAP) ? "enabled" : "disabled"); - - *eof = 1; - - return len; -} - -static int proc_write_dbg(struct file *file, const char *buf, unsigned long count, void *data) -{ - static const char *dbg_enable_mask_str[] = { - " error print", - " err", - " debug print", - " dbg", - " assert", - " assert", - " dump rx skb", - " rx", - " dump tx skb", - " tx", - " dump qos", - " qos", - " dump init", - " init", - " mac swap", - " swap", - " all" - }; - static const int dbg_enable_mask_str_len[] = { - 12, 4, - 12, 4, - 7, 7, - 12, 3, - 12, 3, - 9, 4, - 10, 5, - 9, 5, - 4 - }; - unsigned int dbg_enable_mask[] = { - DBG_ENABLE_MASK_ERR, - DBG_ENABLE_MASK_DEBUG_PRINT, - DBG_ENABLE_MASK_ASSERT, - DBG_ENABLE_MASK_DUMP_SKB_RX, - DBG_ENABLE_MASK_DUMP_SKB_TX, - DBG_ENABLE_MASK_DUMP_QOS, - DBG_ENABLE_MASK_DUMP_INIT, - DBG_ENABLE_MASK_MAC_SWAP, - DBG_ENABLE_MASK_ALL - }; - - char *str; - int str_buff_len = 1024; - char *p; - - int len, rlen; - - int f_enable = 0; - int i; - - str = vmalloc(str_buff_len); - if(!str){ - return 0; - } - - len = count < str_buff_len ? count : str_buff_len - 1; - rlen = len - copy_from_user(str, buf, len); - while ( rlen && str[rlen - 1] <= ' ' ) - rlen--; - str[rlen] = 0; - for ( p = str; *p && *p <= ' '; p++, rlen-- ); - if ( !*p ){ - vfree(str); - return 0; - } - - if ( strincmp(p, "enable", 6) == 0 ) { - p += 6; - f_enable = 1; - } - else if ( strincmp(p, "disable", 7) == 0 ) { - p += 7; - f_enable = -1; - } - else if ( strincmp(p, "help", 4) == 0 || *p == '?' ) { - printk("echo <enable/disable> [err/dbg/assert/rx/tx/init/all] > /proc/eth/dbg\n"); - } - - if ( f_enable ) { - if ( *p == 0 ) { - if ( f_enable > 0 ) - ifx_atm_dbg_enable |= DBG_ENABLE_MASK_ALL & ~DBG_ENABLE_MASK_MAC_SWAP; - else - ifx_atm_dbg_enable &= ~DBG_ENABLE_MASK_ALL | DBG_ENABLE_MASK_MAC_SWAP; - } - else { - do { - for ( i = 0; i < NUM_ENTITY(dbg_enable_mask_str); i++ ) - if ( strincmp(p, dbg_enable_mask_str[i], dbg_enable_mask_str_len[i]) == 0 ) { - if ( f_enable > 0 ) - ifx_atm_dbg_enable |= dbg_enable_mask[i >> 1]; - else - ifx_atm_dbg_enable &= ~dbg_enable_mask[i >> 1]; - p += dbg_enable_mask_str_len[i]; - break; - } - } while ( i < NUM_ENTITY(dbg_enable_mask_str) ); - } - } - - vfree(str); - return count; -} - -static inline unsigned long sb_addr_to_fpi_addr_convert(unsigned long sb_addr) -{ - #define PP32_SB_ADDR_END 0xFFFF - - if ( sb_addr < PP32_SB_ADDR_END ) - return (unsigned long)SB_BUFFER(sb_addr); - else - return sb_addr; -} - -static int proc_write_mem(struct file *file, const char *buf, unsigned long count, void *data) -{ - char *p1, *p2; - int len; - int colon; - unsigned long *p; - int i, n, l; - int local_buf_size = 1024; - char *local_buf = NULL; - - local_buf = vmalloc(local_buf_size); - if ( !local_buf ){ - return 0; - } - - len = local_buf_size < count ? local_buf_size - 1 : count; - len = len - copy_from_user(local_buf, buf, len); - local_buf[len] = 0; - - p1 = local_buf; - colon = 1; - while ( get_token(&p1, &p2, &len, &colon) ) { - if ( stricmp(p1, "w") == 0 || stricmp(p1, "write") == 0 || stricmp(p1, "r") == 0 || stricmp(p1, "read") == 0 ) - break; - - p1 = p2; - colon = 1; - } - - if ( *p1 == 'w' ) { - ignore_space(&p2, &len); - p = (unsigned long *)get_number(&p2, &len, 1); - p = (unsigned long *)sb_addr_to_fpi_addr_convert((unsigned long)p); - - if ( (unsigned int)p >= KSEG0 ) - while ( 1 ) { - ignore_space(&p2, &len); - if ( !len || !((*p2 >= '0' && *p2 <= '9') || (*p2 >= 'a' && *p2 <= 'f') || (*p2 >= 'A' && *p2 <= 'F')) ) - break; - - *p++ = (unsigned int)get_number(&p2, &len, 1); - } - } - else if ( *p1 == 'r' ) { - ignore_space(&p2, &len); - p = (unsigned long *)get_number(&p2, &len, 1); - p = (unsigned long *)sb_addr_to_fpi_addr_convert((unsigned long)p); - - if ( (unsigned int)p >= KSEG0 ) { - ignore_space(&p2, &len); - n = (int)get_number(&p2, &len, 0); - if ( n ) { - char str[32] = {0}; - char *pch = str; - int k; - unsigned int data; - char c; - - n += (l = ((int)p >> 2) & 0x03); - p = (unsigned long *)((unsigned int)p & ~0x0F); - for ( i = 0; i < n; i++ ) { - if ( (i & 0x03) == 0 ) { - printk("%08X:", (unsigned int)p); - pch = str; - } - if ( i < l ) { - printk(" "); - sprintf(pch, " "); - } - else { - data = (unsigned int)*p; - printk(" %08X", data); - for ( k = 0; k < 4; k++ ) { - c = ((char*)&data)[k]; - pch[k] = c < ' ' ? '.' : c; - } - } - p++; - pch += 4; - if ( (i & 0x03) == 0x03 ) { - pch[0] = 0; - printk(" ; %s\n", str); - } - } - if ( (n & 0x03) != 0x00 ) { - for ( k = 4 - (n & 0x03); k > 0; k-- ) - printk(" "); - pch[0] = 0; - printk(" ; %s\n", str); - } - } - } - } - - vfree(local_buf); - return count; -} - - #if defined(CONFIG_AR9) || defined(CONFIG_VR9) - -static int proc_read_pp32(char *page, char **start, off_t off, int count, int *eof, void *data) -{ - static const char *stron = " on"; - static const char *stroff = "off"; - - int len = 0; - int cur_context; - int f_stopped; - char str[256]; - char strlength; - int i, j; - - int pp32; - - for ( pp32 = 0; pp32 < NUM_OF_PP32; pp32++ ) { - f_stopped = 0; - - len += sprintf(page + off + len, "===== pp32 core %d =====\n", pp32); - - #ifdef CONFIG_VR9 - if ( (*PP32_FREEZE & (1 << (pp32 << 4))) != 0 ) { - sprintf(str, "freezed"); - f_stopped = 1; - } - #else - if ( 0 ) { - } - #endif - else if ( PP32_CPU_USER_STOPPED(pp32) || PP32_CPU_USER_BREAKIN_RCV(pp32) || PP32_CPU_USER_BREAKPOINT_MET(pp32) ) { - strlength = 0; - if ( PP32_CPU_USER_STOPPED(pp32) ) - strlength += sprintf(str + strlength, "stopped"); - if ( PP32_CPU_USER_BREAKPOINT_MET(pp32) ) - strlength += sprintf(str + strlength, strlength ? " | breakpoint" : "breakpoint"); - if ( PP32_CPU_USER_BREAKIN_RCV(pp32) ) - strlength += sprintf(str + strlength, strlength ? " | breakin" : "breakin"); - f_stopped = 1; - } - #if 0 - else if ( PP32_CPU_CUR_PC(pp32) == PP32_CPU_CUR_PC(pp32) ) { - sprintf(str, "hang"); - f_stopped = 1; - } - #endif - else - sprintf(str, "running"); - cur_context = PP32_BRK_CUR_CONTEXT(pp32); - len += sprintf(page + off + len, "Context: %d, PC: 0x%04x, %s\n", cur_context, PP32_CPU_CUR_PC(pp32), str); - - if ( PP32_CPU_USER_BREAKPOINT_MET(pp32) ) { - strlength = 0; - if ( PP32_BRK_PC_MET(pp32, 0) ) - strlength += sprintf(str + strlength, "pc0"); - if ( PP32_BRK_PC_MET(pp32, 1) ) - strlength += sprintf(str + strlength, strlength ? " | pc1" : "pc1"); - if ( PP32_BRK_DATA_ADDR_MET(pp32, 0) ) - strlength += sprintf(str + strlength, strlength ? " | daddr0" : "daddr0"); - if ( PP32_BRK_DATA_ADDR_MET(pp32, 1) ) - strlength += sprintf(str + strlength, strlength ? " | daddr1" : "daddr1"); - if ( PP32_BRK_DATA_VALUE_RD_MET(pp32, 0) ) { - strlength += sprintf(str + strlength, strlength ? " | rdval0" : "rdval0"); - if ( PP32_BRK_DATA_VALUE_RD_LO_EQ(pp32, 0) ) { - if ( PP32_BRK_DATA_VALUE_RD_GT_EQ(pp32, 0) ) - strlength += sprintf(str + strlength, " =="); - else - strlength += sprintf(str + strlength, " <="); - } - else if ( PP32_BRK_DATA_VALUE_RD_GT_EQ(pp32, 0) ) - strlength += sprintf(str + strlength, " >="); - } - if ( PP32_BRK_DATA_VALUE_RD_MET(pp32, 1) ) { - strlength += sprintf(str + strlength, strlength ? " | rdval1" : "rdval1"); - if ( PP32_BRK_DATA_VALUE_RD_LO_EQ(pp32, 1) ) { - if ( PP32_BRK_DATA_VALUE_RD_GT_EQ(pp32, 1) ) - strlength += sprintf(str + strlength, " =="); - else - strlength += sprintf(str + strlength, " <="); - } - else if ( PP32_BRK_DATA_VALUE_RD_GT_EQ(pp32, 1) ) - strlength += sprintf(str + strlength, " >="); - } - if ( PP32_BRK_DATA_VALUE_WR_MET(pp32, 0) ) { - strlength += sprintf(str + strlength, strlength ? " | wtval0" : "wtval0"); - if ( PP32_BRK_DATA_VALUE_WR_LO_EQ(pp32, 0) ) { - if ( PP32_BRK_DATA_VALUE_WR_GT_EQ(pp32, 0) ) - strlength += sprintf(str + strlength, " =="); - else - strlength += sprintf(str + strlength, " <="); - } - else if ( PP32_BRK_DATA_VALUE_WR_GT_EQ(pp32, 0) ) - strlength += sprintf(str + strlength, " >="); - } - if ( PP32_BRK_DATA_VALUE_WR_MET(pp32, 1) ) { - strlength += sprintf(str + strlength, strlength ? " | wtval1" : "wtval1"); - if ( PP32_BRK_DATA_VALUE_WR_LO_EQ(pp32, 1) ) { - if ( PP32_BRK_DATA_VALUE_WR_GT_EQ(pp32, 1) ) - strlength += sprintf(str + strlength, " =="); - else - strlength += sprintf(str + strlength, " <="); - } - else if ( PP32_BRK_DATA_VALUE_WR_GT_EQ(pp32, 1) ) - strlength += sprintf(str + strlength, " >="); - } - len += sprintf(page + off + len, "break reason: %s\n", str); - } - - if ( f_stopped ) - { - len += sprintf(page + off + len, "General Purpose Register (Context %d):\n", cur_context); - for ( i = 0; i < 4; i++ ) { - for ( j = 0; j < 4; j++ ) - len += sprintf(page + off + len, " %2d: %08x", i + j * 4, *PP32_GP_CONTEXTi_REGn(pp32, cur_context, i + j * 4)); - len += sprintf(page + off + len, "\n"); - } - } - - len += sprintf(page + off + len, "break out on: break in - %s, stop - %s\n", - PP32_CTRL_OPT_BREAKOUT_ON_BREAKIN(pp32) ? stron : stroff, - PP32_CTRL_OPT_BREAKOUT_ON_STOP(pp32) ? stron : stroff); - len += sprintf(page + off + len, " stop on: break in - %s, break point - %s\n", - PP32_CTRL_OPT_STOP_ON_BREAKIN(pp32) ? stron : stroff, - PP32_CTRL_OPT_STOP_ON_BREAKPOINT(pp32) ? stron : stroff); - len += sprintf(page + off + len, "breakpoint:\n"); - len += sprintf(page + off + len, " pc0: 0x%08x, %s\n", *PP32_BRK_PC(pp32, 0), PP32_BRK_GRPi_PCn(pp32, 0, 0) ? "group 0" : "off"); - len += sprintf(page + off + len, " pc1: 0x%08x, %s\n", *PP32_BRK_PC(pp32, 1), PP32_BRK_GRPi_PCn(pp32, 1, 1) ? "group 1" : "off"); - len += sprintf(page + off + len, " daddr0: 0x%08x, %s\n", *PP32_BRK_DATA_ADDR(pp32, 0), PP32_BRK_GRPi_DATA_ADDRn(pp32, 0, 0) ? "group 0" : "off"); - len += sprintf(page + off + len, " daddr1: 0x%08x, %s\n", *PP32_BRK_DATA_ADDR(pp32, 1), PP32_BRK_GRPi_DATA_ADDRn(pp32, 1, 1) ? "group 1" : "off"); - len += sprintf(page + off + len, " rdval0: 0x%08x\n", *PP32_BRK_DATA_VALUE_RD(pp32, 0)); - len += sprintf(page + off + len, " rdval1: 0x%08x\n", *PP32_BRK_DATA_VALUE_RD(pp32, 1)); - len += sprintf(page + off + len, " wrval0: 0x%08x\n", *PP32_BRK_DATA_VALUE_WR(pp32, 0)); - len += sprintf(page + off + len, " wrval1: 0x%08x\n", *PP32_BRK_DATA_VALUE_WR(pp32, 1)); - } - - *eof = 1; - - return len; -} - -static int proc_write_pp32(struct file *file, const char *buf, unsigned long count, void *data) -{ - char *str = NULL; - char *p; - unsigned int addr; - int str_buff_len = 1024; - - int len, rlen; - - int pp32 = 0; - - str = vmalloc(str_buff_len); - if (!str) { - return 0; - } - - len = count < str_buff_len ? count : str_buff_len - 1; - rlen = len - copy_from_user(str, buf, len); - while ( rlen && str[rlen - 1] <= ' ' ) - rlen--; - str[rlen] = 0; - for ( p = str; *p && *p <= ' '; p++, rlen-- ); - if ( !*p ){ - vfree(str); - return 0; - } - - if ( strincmp(p, "pp32 ", 5) == 0 ) { - p += 5; - rlen -= 5; - - while ( rlen > 0 && *p >= '0' && *p <= '9' ) { - pp32 += *p - '0'; - p++; - rlen--; - } - while ( rlen > 0 && *p && *p <= ' ' ) { - p++; - rlen--; - } - - if ( pp32 >= NUM_OF_PP32 ) { - err("incorrect pp32 index - %d", pp32); - vfree(str); - return count; - } - } - - if ( stricmp(p, "start") == 0 ) - *PP32_CTRL_CMD(pp32) = PP32_CTRL_CMD_RESTART; - else if ( stricmp(p, "stop") == 0 ) - *PP32_CTRL_CMD(pp32) = PP32_CTRL_CMD_STOP; - else if ( stricmp(p, "step") == 0 ) - *PP32_CTRL_CMD(pp32) = PP32_CTRL_CMD_STEP; - #ifdef CONFIG_VR9 - else if ( stricmp(p, "restart") == 0 ) - *PP32_FREEZE &= ~(1 << (pp32 << 4)); - else if ( stricmp(p, "freeze") == 0 ) - *PP32_FREEZE |= 1 << (pp32 << 4); - #endif - else if ( strincmp(p, "pc0 ", 4) == 0 ) { - p += 4; - rlen -= 4; - if ( stricmp(p, "off") == 0 ) { - *PP32_BRK_TRIG(pp32) = PP32_BRK_GRPi_PCn_OFF(0, 0); - *PP32_BRK_PC_MASK(pp32, 0) = PP32_BRK_CONTEXT_MASK_EN; - *PP32_BRK_PC(pp32, 0) = 0; - } - else { - addr = get_number(&p, &rlen, 1); - *PP32_BRK_PC(pp32, 0) = addr; - *PP32_BRK_PC_MASK(pp32, 0) = PP32_BRK_CONTEXT_MASK_EN | PP32_BRK_CONTEXT_MASK(0) | PP32_BRK_CONTEXT_MASK(1) | PP32_BRK_CONTEXT_MASK(2) | PP32_BRK_CONTEXT_MASK(3); - *PP32_BRK_TRIG(pp32) = PP32_BRK_GRPi_PCn_ON(0, 0); - } - } - else if ( strincmp(p, "pc1 ", 4) == 0 ) { - p += 4; - rlen -= 4; - if ( stricmp(p, "off") == 0 ) { - *PP32_BRK_TRIG(pp32) = PP32_BRK_GRPi_PCn_OFF(1, 1); - *PP32_BRK_PC_MASK(pp32, 1) = PP32_BRK_CONTEXT_MASK_EN; - *PP32_BRK_PC(pp32, 1) = 0; - } - else { - addr = get_number(&p, &rlen, 1); - *PP32_BRK_PC(pp32, 1) = addr; - *PP32_BRK_PC_MASK(pp32, 1) = PP32_BRK_CONTEXT_MASK_EN | PP32_BRK_CONTEXT_MASK(0) | PP32_BRK_CONTEXT_MASK(1) | PP32_BRK_CONTEXT_MASK(2) | PP32_BRK_CONTEXT_MASK(3); - *PP32_BRK_TRIG(pp32) = PP32_BRK_GRPi_PCn_ON(1, 1); - } - } - else if ( strincmp(p, "daddr0 ", 7) == 0 ) { - p += 7; - rlen -= 7; - if ( stricmp(p, "off") == 0 ) { - *PP32_BRK_TRIG(pp32) = PP32_BRK_GRPi_DATA_ADDRn_OFF(0, 0); - *PP32_BRK_DATA_ADDR_MASK(pp32, 0) = PP32_BRK_CONTEXT_MASK_EN; - *PP32_BRK_DATA_ADDR(pp32, 0) = 0; - } - else { - addr = get_number(&p, &rlen, 1); - *PP32_BRK_DATA_ADDR(pp32, 0) = addr; - *PP32_BRK_DATA_ADDR_MASK(pp32, 0) = PP32_BRK_CONTEXT_MASK_EN | PP32_BRK_CONTEXT_MASK(0) | PP32_BRK_CONTEXT_MASK(1) | PP32_BRK_CONTEXT_MASK(2) | PP32_BRK_CONTEXT_MASK(3); - *PP32_BRK_TRIG(pp32) = PP32_BRK_GRPi_DATA_ADDRn_ON(0, 0); - } - } - else if ( strincmp(p, "daddr1 ", 7) == 0 ) { - p += 7; - rlen -= 7; - if ( stricmp(p, "off") == 0 ) { - *PP32_BRK_TRIG(pp32) = PP32_BRK_GRPi_DATA_ADDRn_OFF(1, 1); - *PP32_BRK_DATA_ADDR_MASK(pp32, 1) = PP32_BRK_CONTEXT_MASK_EN; - *PP32_BRK_DATA_ADDR(pp32, 1) = 0; - } - else { - addr = get_number(&p, &rlen, 1); - *PP32_BRK_DATA_ADDR(pp32, 1) = addr; - *PP32_BRK_DATA_ADDR_MASK(pp32, 1) = PP32_BRK_CONTEXT_MASK_EN | PP32_BRK_CONTEXT_MASK(0) | PP32_BRK_CONTEXT_MASK(1) | PP32_BRK_CONTEXT_MASK(2) | PP32_BRK_CONTEXT_MASK(3); - *PP32_BRK_TRIG(pp32) = PP32_BRK_GRPi_DATA_ADDRn_ON(1, 1); - } - } - else { - - printk("echo \"<command>\" > /proc/driver/ifx_ptm/pp32\n"); - printk(" command:\n"); - printk(" start - run pp32\n"); - printk(" stop - stop pp32\n"); - printk(" step - run pp32 with one step only\n"); - printk(" pc0 - pc0 <addr>/off, set break point PC0\n"); - printk(" pc1 - pc1 <addr>/off, set break point PC1\n"); - printk(" daddr0 - daddr0 <addr>/off, set break point data address 0\n"); - printk(" daddr0 - daddr1 <addr>/off, set break point data address 1\n"); - printk(" help - print this screen\n"); - } - - if ( *PP32_BRK_TRIG(pp32) ) - *PP32_CTRL_OPT(pp32) = PP32_CTRL_OPT_STOP_ON_BREAKPOINT_ON; - else - *PP32_CTRL_OPT(pp32) = PP32_CTRL_OPT_STOP_ON_BREAKPOINT_OFF; - vfree(str); - return count; -} - -#elif defined(CONFIG_DANUBE) - -static int proc_read_pp32(char *page, char **start, off_t off, int count, int *eof, void *data) -{ - static const char *halt_stat[] = { - "reset", - "break in line", - "stop", - "step", - "code", - "data0", - "data1" - }; - static const char *brk_src_data[] = { - "off", - "read", - "write", - "read/write", - "write_equal", - "N/A", - "N/A", - "N/A" - }; - static const char *brk_src_code[] = { - "off", - "on" - }; - - int len = 0; - int i; - int k; - unsigned long bit; - int tsk; - - tsk = *PP32_DBG_TASK_NO & 0x03; - len += sprintf(page + off + len, "Task No %d, PC %04x\n", tsk, *PP32_DBG_CUR_PC & 0xFFFF); - - if ( !(*PP32_HALT_STAT & 0x01) ) - len += sprintf(page + off + len, " Halt State: Running\n"); - else { - len += sprintf(page + off + len, " Halt State: Stopped"); - k = 0; - for ( bit = 2, i = 0; bit <= (1 << 7); bit <<= 1, i++ ) - if ( (*PP32_HALT_STAT & bit) ) { - if ( !k ) { - len += sprintf(page + off + len, ", "); - k++; - } - else - len += sprintf(page + off + len, " | "); - len += sprintf(page + off + len, halt_stat[i]); - } - - len += sprintf(page + off + len, "\n"); - - len += sprintf(page + off + len, " Regs (Task %d):\n", tsk); - for ( i = 0; i < 8; i++ ) - len += sprintf(page + off + len, " %2d. %08x %2d. %08x\n", i, *PP32_DBG_REG_BASE(tsk, i), i + 8, *PP32_DBG_REG_BASE(tsk, i + 8)); - } - - len += sprintf(page + off + len, " Break Src: data1 - %s, data0 - %s, pc3 - %s, pc2 - %s, pc1 - %s, pc0 - %s\n", - brk_src_data[(*PP32_BRK_SRC >> 11) & 0x07], - brk_src_data[(*PP32_BRK_SRC >> 8) & 0x07], - brk_src_code[(*PP32_BRK_SRC >> 3) & 0x01], - brk_src_code[(*PP32_BRK_SRC >> 2) & 0x01], - brk_src_code[(*PP32_BRK_SRC >> 1) & 0x01], - brk_src_code[*PP32_BRK_SRC & 0x01]); - - for ( i = 0; i < 4; i++ ) - len += sprintf(page + off + len, " pc%d: %04x - %04x\n", i, *PP32_DBG_PC_MIN(i), *PP32_DBG_PC_MAX(i)); - - for ( i = 0; i < 2; i++ ) - len += sprintf(page + off + len, " data%d: %04x - %04x (%08x)\n", i, *PP32_DBG_DATA_MIN(i), *PP32_DBG_DATA_MAX(i), *PP32_DBG_DATA_VAL(i)); - - *eof = 1; - - return len; -} - -static int proc_write_pp32(struct file *file, const char *buf, unsigned long count, void *data) -{ - char *str; - char *p; - - int len, rlen; - int str_buff_len = 2048; - str = vmalloc(str_buff_len); - if (!str){ - return 0; - } - len = count < str_buff_len ? count : str_buff_len - 1; - rlen = len - copy_from_user(str, buf, len); - while ( rlen && str[rlen - 1] <= ' ' ) - rlen--; - str[rlen] = 0; - for ( p = str; *p && *p <= ' '; p++, rlen-- ); - if ( !*p ) - vfree(str); - return 0; - - if ( stricmp(p, "start") == 0 ) - *PP32_DBG_CTRL = DBG_CTRL_START_SET(1); - else if ( stricmp(p, "stop") == 0 ) - *PP32_DBG_CTRL = DBG_CTRL_STOP_SET(1); - else if ( stricmp(p, "step") == 0 ) - *PP32_DBG_CTRL = DBG_CTRL_STEP_SET(1); - else if ( strincmp(p, "pc", 2) == 0 && p[2] >= '0' && p[2] <= '3' && p[3] <= ' ' ) { - int n = p[2] - '0'; - int on_off_flag = -1; - int addr_min, addr_max; - - p += 4; - rlen -= 4; - ignore_space(&p, &rlen); - - if ( strincmp(p, "off", 3) == 0 && p[3] <= ' ' ) { - p += 3; - rlen -= 3; - on_off_flag = 0; - } - else if ( strincmp(p, "on", 2) == 0 && p[2] <= ' ' ) { - p += 2; - rlen -= 2; - on_off_flag = 1; - } - ignore_space(&p, &rlen); - - if ( rlen ) { - addr_min = get_number(&p, &rlen, 1); - ignore_space(&p, &rlen); - if ( rlen ) - addr_max = get_number(&p, &rlen, 1); - else - addr_max = addr_min; - - *PP32_DBG_PC_MIN(n) = addr_min; - *PP32_DBG_PC_MAX(n) = addr_max; - } - - if ( on_off_flag == 0 ) - *PP32_BRK_SRC &= ~(1 << n); - else if ( on_off_flag > 0 ) - *PP32_BRK_SRC |= 1 << n; - } - else if ( strincmp(p, "data", 4) == 0 && p[4] >= '0' && p[4] <= '1' && p[5] <= ' ' ) { - const static char *data_cmd_str[] = {"r", "w", "rw", "w=", "off", "min", "min addr", "max", "max addr", "val", "value"}; - const static int data_cmd_len[] = {1, 1, 2, 2, 3, 3, 8, 3, 8, 3, 5}; - const static int data_cmd_idx[] = {1, 2, 3, 4, 0, 5, 5, 6, 6, 7, 7}; - int n = p[4] - '0'; - int on_off_flag = -1, on_off_mask = 0; - int addr_min = -1, addr_max = -1; - int value = 0, f_got_value = 0; - int stat = 0; - int i; - int tmp; - - p += 6; - rlen -= 6; - - while ( 1 ) { - ignore_space(&p, &rlen); - if ( rlen <= 0 ) - break; - for ( i = 0; i < NUM_ENTITY(data_cmd_str); i++ ) - if ( strincmp(p, data_cmd_str[i], data_cmd_len[i]) == 0 && p[data_cmd_len[i]] <= ' ' ) { - p += data_cmd_len[i]; - rlen -= data_cmd_len[i]; - stat = data_cmd_idx[i]; - if ( stat <= 4 ) { - on_off_mask = 7; - on_off_flag = stat; - } - break; - } - if ( i == NUM_ENTITY(data_cmd_str) ) { - if ( (*p >= '0' && *p <= '9') || (*p >= 'a' && *p <= 'f') || (*p >= 'A' && *p <= 'F') ) { - tmp = get_number(&p, &rlen, 1); - if ( stat <= 5 ) { - addr_min = tmp; - stat = 6; - } - else if ( stat >= 7 ) { - value = tmp; - f_got_value = 1; - } - else { - addr_max = tmp; - stat = 7; - } - } - else - for ( ; rlen && *p > ' '; rlen--, p++ ); - } - } - - if ( addr_min >= 0 ) - *PP32_DBG_DATA_MIN(n) = *PP32_DBG_DATA_MAX(n) = addr_min; - if ( addr_max >= 0 ) - *PP32_DBG_DATA_MAX(n) = addr_max; - if ( f_got_value ) - *PP32_DBG_DATA_VAL(n) = value; - if ( on_off_mask && on_off_flag >= 0 ) { - on_off_flag <<= n ? 11 : 8; - on_off_mask <<= n ? 11 : 8; - *PP32_BRK_SRC = (*PP32_BRK_SRC & ~on_off_mask) | on_off_flag; - } - } - else { - printk("echo \"<command>\" > /proc/eth/etop\n"); - printk(" command:\n"); - printk(" start - run pp32\n"); - printk(" stop - stop pp32\n"); - printk(" step - run pp32 with one step only\n"); - printk(" pc - pc? [on/off] [min addr] [max addr], set PC break point\n"); - printk(" data - data? [r/w/rw/w=/off] [min <addr>] [max <addr>] [val <value>], set data break point\n"); - printk(" help - print this screen\n"); - } - - vfree(str); - return count; -} - - #elif defined(CONFIG_AMAZON_SE) - -static int proc_read_pp32(char *page, char **start, off_t off, int count, int *eof, void *data) -{ - static const char *halt_stat[] = { - "reset", - "break in line", - "stop", - "step", - "code", - "data0", - "data1" - }; - static const char *brk_src_data[] = { - "off", - "read", - "write", - "read/write", - "write_equal", - "N/A", - "N/A", - "N/A" - }; - static const char *brk_src_code[] = { - "off", - "on" - }; - - int len = 0; - int i; - int k; - unsigned long bit; - - len += sprintf(page + off + len, "Task No %d, PC %04x\n", *PP32_DBG_TASK_NO & 0x03, *PP32_DBG_CUR_PC & 0xFFFF); - - if ( !(*PP32_HALT_STAT & 0x01) ) - len += sprintf(page + off + len, " Halt State: Running\n"); - else - { - len += sprintf(page + off + len, " Halt State: Stopped"); - k = 0; - for ( bit = 2, i = 0; bit <= (1 << 7); bit <<= 1, i++ ) - if ( (*PP32_HALT_STAT & bit) ) - { - if ( !k ) - { - len += sprintf(page + off + len, ", "); - k++; - } - else - len += sprintf(page + off + len, " | "); - len += sprintf(page + off + len, halt_stat[i]); - } - - len += sprintf(page + off + len, "\n"); - } - - len += sprintf(page + off + len, " Break Src: data1 - %s, data0 - %s, pc3 - %s, pc2 - %s, pc1 - %s, pc0 - %s\n", - brk_src_data[(*PP32_BRK_SRC >> 11) & 0x07], brk_src_data[(*PP32_BRK_SRC >> 8) & 0x07], brk_src_code[(*PP32_BRK_SRC >> 3) & 0x01], brk_src_code[(*PP32_BRK_SRC >> 2) & 0x01], brk_src_code[(*PP32_BRK_SRC >> 1) & 0x01], brk_src_code[*PP32_BRK_SRC & 0x01]); - -// for ( i = 0; i < 4; i++ ) -// len += sprintf(page + off + len, " pc%d: %04x - %04x\n", i, *PP32_DBG_PC_MIN(i), *PP32_DBG_PC_MAX(i)); - -// for ( i = 0; i < 2; i++ ) -// len += sprintf(page + off + len, " data%d: %04x - %04x (%08x)\n", i, *PP32_DBG_DATA_MIN(i), *PP32_DBG_DATA_MAX(i), *PP32_DBG_DATA_VAL(i)); - - *eof = 1; - - return len; -} - -static int proc_write_pp32(struct file *file, const char *buf, unsigned long count, void *data) -{ - char str[2048]; - char *p; - - int len, rlen; - - len = count < sizeof(str) ? count : sizeof(str) - 1; - rlen = len - copy_from_user(str, buf, len); - while ( rlen && str[rlen - 1] <= ' ' ) - rlen--; - str[rlen] = 0; - for ( p = str; *p && *p <= ' '; p++, rlen-- ); - if ( !*p ) - return 0; - - if ( stricmp(str, "start") == 0 ) - *PP32_DBG_CTRL = DBG_CTRL_RESTART; - else if ( stricmp(str, "stop") == 0 ) - *PP32_DBG_CTRL = DBG_CTRL_STOP; -// else if ( stricmp(str, "step") == 0 ) -// *PP32_DBG_CTRL = DBG_CTRL_STEP_SET(1); - else - { - printk("echo \"<command>\" > /proc/eth/etop\n"); - printk(" command:\n"); - printk(" start - run pp32\n"); - printk(" stop - stop pp32\n"); -// printk(" step - run pp32 with one step only\n"); - printk(" help - print this screen\n"); - } - - return count; -} - - #endif - -#endif - -#if defined(ENABLE_FW_PROC) && ENABLE_FW_PROC - -static INLINE int print_htu(char *buf, int i) -{ - int len = 0; - - if ( HTU_ENTRY(i)->vld ) { - len += sprintf(buf + len, "%2d. valid\n", i); - len += sprintf(buf + len, " entry 0x%08x - pid %01x vpi %02x vci %04x pti %01x\n", *(unsigned int*)HTU_ENTRY(i), HTU_ENTRY(i)->pid, HTU_ENTRY(i)->vpi, HTU_ENTRY(i)->vci, HTU_ENTRY(i)->pti); - len += sprintf(buf + len, " mask 0x%08x - pid %01x vpi %02x vci %04x pti %01x\n", *(unsigned int*)HTU_MASK(i), HTU_MASK(i)->pid_mask, HTU_MASK(i)->vpi_mask, HTU_MASK(i)->vci_mask, HTU_MASK(i)->pti_mask); - len += sprintf(buf + len, " result 0x%08x - type: %s, qid: %d", *(unsigned int*)HTU_RESULT(i), HTU_RESULT(i)->type ? "cell" : "AAL5", HTU_RESULT(i)->qid); - if ( HTU_RESULT(i)->type ) - len += sprintf(buf + len, ", cell id: %d, verification: %s", HTU_RESULT(i)->cellid, HTU_RESULT(i)->ven ? "on" : "off"); - len += sprintf(buf + len, "\n"); - } - else - len += sprintf(buf + len, "%2d. invalid\n", i); - - return len; -} - -static int proc_read_htu(char *page, char **start, off_t off, int count, int *eof, void *data) -{ - int len = 0; - int len_max = off + count; - char *pstr; - int llen; - char *str; - int htuts = *CFG_WRX_HTUTS; - int i; - - str = vmalloc (1024); - if (!str) - return 0; - - pstr = *start = page; - - llen = sprintf(pstr, "HTU Table (Max %d):\n", htuts); - pstr += llen; - len += llen; - - for ( i = 0; i < htuts; i++ ) { - llen = print_htu(str, i); - if ( len <= off && len + llen > off ) { - memcpy(pstr, str + off - len, len + llen - off); - pstr += len + llen - off; - } - else if ( len > off ) { - memcpy(pstr, str, llen); - pstr += llen; - } - len += llen; - if ( len >= len_max ) - goto PROC_READ_HTU_OVERRUN_END; - } - - *eof = 1; - vfree(str); - return len - off; - -PROC_READ_HTU_OVERRUN_END: - - return len - llen - off; -} - -static INLINE int print_tx_queue(char *buf, int i) -{ - int len = 0; - - if ( (*WTX_DMACH_ON & (1 << i)) ) { - len += sprintf(buf + len, "%2d. valid\n", i); - len += sprintf(buf + len, " queue 0x%08x - sbid %u, qsb vcid %u, qsb %s\n", (unsigned int)WTX_QUEUE_CONFIG(i), (unsigned int)WTX_QUEUE_CONFIG(i)->sbid, (unsigned int)WTX_QUEUE_CONFIG(i)->qsb_vcid, WTX_QUEUE_CONFIG(i)->qsben ? "enable" : "disable"); - len += sprintf(buf + len, " dma 0x%08x - base %08x, len %u, vlddes %u\n", (unsigned int)WTX_DMA_CHANNEL_CONFIG(i), WTX_DMA_CHANNEL_CONFIG(i)->desba, WTX_DMA_CHANNEL_CONFIG(i)->deslen, WTX_DMA_CHANNEL_CONFIG(i)->vlddes); - } - else - len += sprintf(buf + len, "%2d. invalid\n", i); - - return len; -} - -static int proc_read_txq(char *page, char **start, off_t off, int count, int *eof, void *data) -{ - int len = 0; - int len_max = off + count; - char *pstr; - int llen; - int str_buff_len = 1024; - char *str; - - int i; - - str = vmalloc(str_buff_len); - if (!str){ - return 0; - } - pstr = *start = page; - - llen = sprintf(pstr, "TX Queue Config (Max %d):\n", *CFG_WTX_DCHNUM); - pstr += llen; - len += llen; - - for ( i = 0; i < 16; i++ ) { - llen = print_tx_queue(str, i); - if ( len <= off && len + llen > off ) { - memcpy(pstr, str + off - len, len + llen - off); - pstr += len + llen - off; - } - else if ( len > off ) { - memcpy(pstr, str, llen); - pstr += llen; - } - len += llen; - if ( len >= len_max ) - goto PROC_READ_HTU_OVERRUN_END; - } - - - *eof = 1; - - vfree(str); - return len - off; - -PROC_READ_HTU_OVERRUN_END: - - return len - llen - off; -} - - #if defined(ENABLE_ATM_RETX) && ENABLE_ATM_RETX - -static int proc_read_retx_fw(char *page, char **start, off_t off, int count, int *eof, void *data) -{ - int len = 0; - - unsigned int next_dtu_sid_out, last_dtu_sid_in, next_cell_sid_out, isr_cell_id; - unsigned int curr_time, sec_counter, curr_efb; - struct Retx_adsl_ppe_intf adsl_ppe_intf; - - adsl_ppe_intf = *RETX_ADSL_PPE_INTF; - next_dtu_sid_out = *NEXT_DTU_SID_OUT; - last_dtu_sid_in = *LAST_DTU_SID_IN; - next_cell_sid_out = *NEXT_CELL_SID_OUT; - isr_cell_id = *ISR_CELL_ID; - - curr_time = *URetx_curr_time; - sec_counter = *URetx_sec_counter; - curr_efb = *RxCURR_EFB; - - - len += sprintf(page + off + len, "Adsl-PPE Interface:\n"); - len += sprintf(page + off + len, " dtu_sid = 0x%02x [%3u]\n", adsl_ppe_intf.dtu_sid, adsl_ppe_intf.dtu_sid); - len += sprintf(page + off + len, " dtu_timestamp = 0x%02x\n", adsl_ppe_intf.dtu_timestamp); - len += sprintf(page + off + len, " local_time = 0x%02x\n", adsl_ppe_intf.local_time); - len += sprintf(page + off + len, " is_last_cw = %u\n", adsl_ppe_intf.is_last_cw); - len += sprintf(page + off + len, " reinit_flag = %u\n", adsl_ppe_intf.reinit_flag); - len += sprintf(page + off + len, " is_bad_cw = %u\n", adsl_ppe_intf.is_bad_cw); - len += sprintf(page + off + len, "\n"); - - - len += sprintf(page + off + len, "Retx Firmware Context:\n"); - len += sprintf(page + off + len, " next_dtu_sid_out (0x%08x) = 0x%02x [%3u]\n", (unsigned int )NEXT_DTU_SID_OUT, next_dtu_sid_out, next_dtu_sid_out); - len += sprintf(page + off + len, " last_dtu_sid_in (0x%08x) = 0x%02x [%3u]\n", (unsigned int )LAST_DTU_SID_IN, last_dtu_sid_in, last_dtu_sid_in); - len += sprintf(page + off + len, " next_cell_sid_out (0x%08x) = %u\n", (unsigned int )NEXT_CELL_SID_OUT, next_cell_sid_out); - len += sprintf(page + off + len, " isr_cell_id (0x%08x) = %u\n", (unsigned int )ISR_CELL_ID, isr_cell_id); - len += sprintf(page + off + len, " pb_cell_search_idx (0x%08x) = %u\n", (unsigned int )PB_CELL_SEARCH_IDX, *PB_CELL_SEARCH_IDX); - len += sprintf(page + off + len, " pb_read_pend_flag (0x%08x) = %u\n", (unsigned int )PB_READ_PEND_FLAG, *PB_READ_PEND_FLAG); - len += sprintf(page + off + len, " rfbi_first_cw (0x%08x) = %u\n", (unsigned int )RFBI_FIRST_CW, *RFBI_FIRST_CW); - len += sprintf(page + off + len, " rfbi_bad_cw (0x%08x) = %u\n", (unsigned int )RFBI_BAD_CW, *RFBI_BAD_CW); - len += sprintf(page + off + len, " rfbi_invalid_cw (0x%08x) = %u\n", (unsigned int )RFBI_INVALID_CW, *RFBI_INVALID_CW); - len += sprintf(page + off + len, " rfbi_retx_cw (0x%08x) = %u\n", (unsigned int )RFBI_RETX_CW, *RFBI_RETX_CW); - len += sprintf(page + off + len, " rfbi_chk_dtu_status (0x%08x) = %u\n", (unsigned int )RFBI_CHK_DTU_STATUS,*RFBI_CHK_DTU_STATUS); - len += sprintf(page + off + len, "\n"); - - - len += sprintf(page + off + len, "SFSM Status: bc0 bc1 \n\n"); - len += sprintf(page + off + len, " state = %-22s , %s\n", - (*__WRXCTXT_PortState(0) & 3) == 0 ? "Hunt" : - (*__WRXCTXT_PortState(0) & 3) == 1 ? "Pre_sync" : - (*__WRXCTXT_PortState(0) & 3) == 2 ? "Sync" : - "Unknown(error)", - (*__WRXCTXT_PortState(1) & 3) == 0 ? "Hunt" : - (*__WRXCTXT_PortState(1) & 3) == 1 ? "Pre_sync" : - (*__WRXCTXT_PortState(1) & 3) == 2 ? "Sync" : - "Unknown(error)" ); - len += sprintf(page + off + len, " dbase = 0x%04x ( 0x%08x ) , 0x%04x ( 0x%08x )\n", - SFSM_DBA(0)->dbase, (unsigned int)PPM_INT_UNIT_ADDR(SFSM_DBA(0)->dbase + 0x2000), - SFSM_DBA(1)->dbase, (unsigned int)PPM_INT_UNIT_ADDR(SFSM_DBA(1)->dbase + 0x2000)); - len += sprintf(page + off + len, " cbase = 0x%04x ( 0x%08x ) , 0x%04x ( 0x%08x )\n", - SFSM_CBA(0)->cbase, (unsigned int)PPM_INT_UNIT_ADDR(SFSM_CBA(0)->cbase + 0x2000), - SFSM_CBA(1)->cbase, (unsigned int)PPM_INT_UNIT_ADDR(SFSM_CBA(1)->cbase + 0x2000)); - len += sprintf(page + off + len, " sen = %-22d , %d\n", SFSM_CFG(0)->sen, SFSM_CFG(1)->sen ); - len += sprintf(page + off + len, " idlekeep = %-22d , %d\n", SFSM_CFG(0)->idlekeep, SFSM_CFG(1)->idlekeep ); - len += sprintf(page + off + len, " pnum = %-22d , %d\n", SFSM_CFG(0)->pnum, SFSM_CFG(1)->pnum ); - len += sprintf(page + off + len, " pptr = %-22d , %d\n", SFSM_PGCNT(0)->pptr, SFSM_PGCNT(1)->pptr); - len += sprintf(page + off + len, " upage = %-22d , %d\n", SFSM_PGCNT(0)->upage, SFSM_PGCNT(1)->upage); - len += sprintf(page + off + len, " l2_rdptr = %-22d , %d\n", *__WRXCTXT_L2_RdPtr(0), *__WRXCTXT_L2_RdPtr(1) ); - len += sprintf(page + off + len, " l2_page = %-22d , %d\n", *__WRXCTXT_L2Pages(0), *__WRXCTXT_L2Pages(1) ); - len += sprintf(page + off + len, "\n"); - - - len += sprintf(page + off + len, "FFSM Status: bc0 bc1 \n\n"); - len += sprintf(page + off + len, " dbase = 0x%04x ( 0x%08x ) , 0x%04x ( 0x%08x )\n", - FFSM_DBA(0)->dbase, (unsigned int)PPM_INT_UNIT_ADDR(FFSM_DBA(0)->dbase + 0x2000), - FFSM_DBA(1)->dbase, (unsigned int)PPM_INT_UNIT_ADDR(FFSM_DBA(1)->dbase + 0x2000)); - len += sprintf(page + off + len, " pnum = %-22d , %d\n", FFSM_CFG(0)->pnum, FFSM_CFG(1)->pnum); - len += sprintf(page + off + len, " vpage = %-22d , %d\n", FFSM_PGCNT(0)->vpage, FFSM_PGCNT(1)->vpage); - len += sprintf(page + off + len, " ival = %-22d , %d\n", FFSM_PGCNT(0)->ival, FFSM_PGCNT(1)->ival); - len += sprintf(page + off + len, " tc_wrptr = %-22d , %d\n", *__WTXCTXT_TC_WRPTR(0), *__WTXCTXT_TC_WRPTR(1)); - len += sprintf(page + off + len, "\n"); - - - len += sprintf(page + off + len, "Misc: \n\n"); - len += sprintf(page + off + len, " curr_time = %08x\n", curr_time ); - len += sprintf(page + off + len, " sec_counter = %d\n", sec_counter ); - len += sprintf(page + off + len, " curr_efb = %d\n", curr_efb ); - len += sprintf(page + off + len, "\n"); - - *eof = 1; - - return len; -} - -static inline int is_valid(unsigned int * dtu_vld_stat, int dtu_sid) -{ - int dw_idx = (dtu_sid / 32) & 7; - int bit_pos = dtu_sid % 32; - - return dtu_vld_stat[dw_idx] & (0x80000000 >> bit_pos); -} - -static int proc_read_retx_stats(char *page, char **start, off_t off, int count, int *eof, void *data) -{ - int i; - int len = 0; - int len_max = off + count; - char *pstr; - char str[2048]; - int llen = 0; - - unsigned int next_dtu_sid_out, last_dtu_sid_in, next_cell_sid_out; - unsigned int dtu_vld_stat[8]; - struct DTU_stat_info dtu_stat_info[256]; - struct Retx_adsl_ppe_intf adsl_ppe_intf; - - pstr = *start = page; - - __sync(); - - // capture a snapshot of internal status - next_dtu_sid_out = *NEXT_DTU_SID_OUT; - last_dtu_sid_in = *LAST_DTU_SID_IN; - next_cell_sid_out = *NEXT_CELL_SID_OUT; - adsl_ppe_intf = *RETX_ADSL_PPE_INTF; - - memcpy(&dtu_vld_stat, (void *)DTU_VLD_STAT, sizeof(dtu_vld_stat)); - memcpy(&dtu_stat_info, (void *)DTU_STAT_INFO, sizeof(dtu_stat_info)); - - - llen += sprintf(str + llen, "Adsl-PPE Interface:\n"); - llen += sprintf(str + llen, " dtu_sid = 0x%02x [%3u]\n", adsl_ppe_intf.dtu_sid, adsl_ppe_intf.dtu_sid); - llen += sprintf(str + llen, " dtu_timestamp = 0x%02x\n", adsl_ppe_intf.dtu_timestamp); - llen += sprintf(str + llen, " local_time = 0x%02x\n", adsl_ppe_intf.local_time); - llen += sprintf(str + llen, " is_last_cw = %u\n", adsl_ppe_intf.is_last_cw); - llen += sprintf(str + llen, " reinit_flag = %u\n", adsl_ppe_intf.reinit_flag); - llen += sprintf(str + llen, " is_bad_cw = %u\n", adsl_ppe_intf.is_bad_cw); - llen += sprintf(str + llen, "\n"); - - llen += sprintf(str + llen, "Retx Internal State:\n"); - llen += sprintf(str + llen, " next_dtu_sid_out (0x%08x) = 0x%02x [%3u]\n", (unsigned int )NEXT_DTU_SID_OUT, next_dtu_sid_out, next_dtu_sid_out); - llen += sprintf(str + llen, " last_dtu_sid_in (0x%08x) = 0x%02x [%3u]\n", (unsigned int )LAST_DTU_SID_IN, last_dtu_sid_in, last_dtu_sid_in); - llen += sprintf(str + llen, " next_cell_sid_out (0x%08x) = %u\n", (unsigned int )NEXT_CELL_SID_OUT, next_cell_sid_out); - llen += sprintf(str + llen, " dtu_valid_stat (0x%08x)\n", (unsigned int )DTU_VLD_STAT); - llen += sprintf(str + llen, " dtu_stat_info (0x%08x)\n", (unsigned int )DTU_STAT_INFO); - llen += sprintf(str + llen, " pb_buffer_usage (0x%08x)\n", (unsigned int )PB_BUFFER_USAGE); - - if ( len <= off && len + llen > off ) { - memcpy(pstr, str + off - len, len + llen - off); - pstr += len + llen - off; - } - else if ( len > off ) { - memcpy(pstr, str, llen); - pstr += llen; - } - len += llen; - if ( len >= len_max ) - goto PROC_READ_RETX_STATS_OVERRUN_END; - llen = 0; - - - llen += sprintf(str + llen, "\n"); - llen += sprintf(str + llen, "DTU_VALID_STAT: [0x%08x]:\n", (unsigned int)DTU_VLD_STAT); - llen += sprintf(str + llen, "%08X: %08X %08X %08X %08X %08X %08X %08X %08X\n", - (unsigned int)DTU_VLD_STAT, - dtu_vld_stat[0], dtu_vld_stat[1], dtu_vld_stat[2], dtu_vld_stat[3], - dtu_vld_stat[4], dtu_vld_stat[5], dtu_vld_stat[6], dtu_vld_stat[7]); - - if ( len <= off && len + llen > off ) { - memcpy(pstr, str + off - len, len + llen - off); - pstr += len + llen - off; - } - else if ( len > off ) { - memcpy(pstr, str, llen); - pstr += llen; - } - len += llen; - if ( len >= len_max ) - goto PROC_READ_RETX_STATS_OVERRUN_END; - llen = 0; - - - llen += sprintf(str + llen, "\n"); - llen += sprintf(str + llen, "DTU_STAT_INFO: [0x%08x]:\n", (unsigned int)DTU_STAT_INFO); - llen += sprintf(str + llen, "dtu_id ts complete bad cell_cnt dtu_rd_ptr dtu_wr_ptr\n"); - llen += sprintf(str + llen, "---------------------------------------------------------------------\n"); - for ( i = 0; i < 256; i++ ) { - if ( !is_valid(dtu_vld_stat, i) ) - continue; - - llen += sprintf(str + llen, "0x%02x [%3u] 0x%02x %d %d %3d %5d %5d\n", - i, i, - DTU_STAT_INFO[i].time_stamp, - DTU_STAT_INFO[i].complete, - DTU_STAT_INFO[i].bad, - DTU_STAT_INFO[i].cell_cnt, - DTU_STAT_INFO[i].dtu_rd_ptr, - DTU_STAT_INFO[i].dtu_wr_ptr ); - - if ( len <= off && len + llen > off ) { - memcpy(pstr, str + off - len, len + llen - off); - pstr += len + llen - off; - } - else if ( len > off ) - { - memcpy(pstr, str, llen); - pstr += llen; - } - len += llen; - if ( len >= len_max ) - goto PROC_READ_RETX_STATS_OVERRUN_END; - llen = 0; - } - - - llen += sprintf(str + llen, "\n"); - llen += sprintf(str + llen, "Playout buffer status --- valid status [0x%08x]:\n", (unsigned int)PB_BUFFER_USAGE); - for( i = 0; i < RETX_MODE_CFG->buff_size; i += 8 ) { - llen += sprintf(str + llen, "%08X: %08X %08X %08X %08X %08X %08X %08X %08X\n", - (unsigned int)PB_BUFFER_USAGE + i * sizeof(unsigned int), - PB_BUFFER_USAGE[i], PB_BUFFER_USAGE[i+1], PB_BUFFER_USAGE[i+2], PB_BUFFER_USAGE[i+3], - PB_BUFFER_USAGE[i+4], PB_BUFFER_USAGE[i+5], PB_BUFFER_USAGE[i+6], PB_BUFFER_USAGE[i+7]); - } - - if ( len <= off && len + llen > off ) { - memcpy(pstr, str + off - len, len + llen - off); - pstr += len + llen - off; - } - else if ( len > off ) { - memcpy(pstr, str, llen); - pstr += llen; - } - len += llen; - if ( len >= len_max ) - goto PROC_READ_RETX_STATS_OVERRUN_END; - llen = 0; - - - *eof = 1; - - return len - off; - -PROC_READ_RETX_STATS_OVERRUN_END: - return len - llen - off; -} - -static int proc_write_retx_stats(struct file *file, const char *buf, unsigned long count, void *data) -{ - char str[2048]; - char *p; - - int len, rlen; - - len = count < sizeof(str) ? count : sizeof(str) - 1; - rlen = len - copy_from_user(str, buf, len); - while ( rlen && str[rlen - 1] <= ' ' ) - rlen--; - str[rlen] = 0; - for ( p = str; *p && *p <= ' '; p++, rlen-- ); - if ( !*p ) - return 0; - - if ( stricmp(p, "help") == 0 ) { - printk("echo clear_pb > /proc/driver/ifx_atm/retx_stats \n"); - printk(" :clear context in playout buffer\n\n"); - printk("echo read_pb <pb_index> <cell_num> > /proc/driver/ifx_atm/retx_stats\n"); - printk(" : read playout buffer contents\n\n"); - printk("echo read_[r|t]x_cb > /proc/driver/ifx_atm/retx_stats\n"); - printk(" : read cell buffer\n\n"); - printk("echo clear_[r|t]x_cb > /proc/driver/ifx_atm/retx_stats\n"); - printk(" : clear cell buffer\n\n"); - printk("echo read_bad_dtu_intf_rec > /proc/driver/ifx_atm/retx_stats\n"); - printk(" : read bad dtu intrface information record\n\n"); - printk("echo clear_bad_dtu_intf_rec > /proc/driver/ifx_atm/retx_stats\n"); - printk(" : clear bad dtu interface information record\n\n"); - printk("echo read_wrx_context [i] > /proc/driver/ifx_atm/retx_stats\n"); - printk(" : clear bad dtu interface information record\n\n"); - printk("echo read_intf_rec > /proc/driver/ifx_atm/retx_stats\n"); - printk(" : read interface info record buffer\n\n"); - printk("echo reinit_intf_rec > /proc/driver/ifx_atm/retx_stats\n"); - printk(" : reinit intf record, must be called before showtime\n\n"); - } - else if ( stricmp(p, "reinit_intf_rec") == 0 ) { - int i = 0; - struct Retx_adsl_ppe_intf_rec rec[16]; - - *DBG_DTU_INTF_WRPTR = 0; - *DBG_INTF_FCW_DUP_CNT = 0; - *DBG_INTF_SID_CHANGE_IN_DTU_CNT = 0; - *DBG_INTF_LCW_DUP_CNT = 0; - - *DBG_RFBI_DONE_INT_CNT = 0; - *DBG_RFBI_INTV0 = 0; - *DBG_RFBI_INTV1 = 0; - *DBG_RFBI_BC0_INVALID_CNT = 0; - *DBG_RFBI_LAST_T = 0; - *DBG_DREG_BEG_END = 0; - - memset((void *) DBG_INTF_INFO(0), 0, sizeof(rec)); - for( i = 0; i < 16; i++ ) - DBG_INTF_INFO(i)->res1_1 = 1; - DBG_INTF_INFO(15)->dtu_sid = 255; - } - else if ( stricmp(p, "read_intf_rec") == 0 ) { - int i, cnt; - unsigned int dtu_intf_wrptr, fcw_dup_cnt, sid_change_in_dtu_cnt, lcw_dup_cnt ; - unsigned int rfbi_done_int_cnt, rfbi_intv0, rfbi_intv1, rfbi_bc0_invalid_cnt, dreg_beg_end; - struct Retx_adsl_ppe_intf_rec rec[16]; - - memcpy((void *) rec, (void *) DBG_INTF_INFO(0), sizeof(rec)); - - dtu_intf_wrptr = *DBG_DTU_INTF_WRPTR; - fcw_dup_cnt = *DBG_INTF_FCW_DUP_CNT; - sid_change_in_dtu_cnt = *DBG_INTF_SID_CHANGE_IN_DTU_CNT; - lcw_dup_cnt = *DBG_INTF_LCW_DUP_CNT; - - rfbi_done_int_cnt = *DBG_RFBI_DONE_INT_CNT; - rfbi_intv0 = *DBG_RFBI_INTV0; - rfbi_intv1 = *DBG_RFBI_INTV1; - rfbi_bc0_invalid_cnt = *DBG_RFBI_BC0_INVALID_CNT; - dreg_beg_end = *DBG_DREG_BEG_END; - - printk("PPE-Adsl Interface recrod [addr 0x23F0]:\n\n"); - - printk(" rfbi_done_int_cnt = %d [0x%x] \n", rfbi_done_int_cnt, rfbi_done_int_cnt); - printk(" rfbi_intv = 0x%08x 0x%08x [%d, %d, %d, %d, %d, %d, %d, %d]\n", - rfbi_intv0, rfbi_intv1, - rfbi_intv0 >> 24, (rfbi_intv0>>16) & 0xff, (rfbi_intv0>>8) & 0xff, rfbi_intv0 & 0xff, - rfbi_intv1 >> 24, (rfbi_intv1>>16) & 0xff, (rfbi_intv1>>8) & 0xff, rfbi_intv1 & 0xff - ); - printk(" rfbi_bc0_invld_cnt = %d\n", rfbi_bc0_invalid_cnt); - printk(" dreg_beg_end = %d, %d\n\n", dreg_beg_end >> 16, dreg_beg_end & 0xffff); - - printk(" wrptr = %d [0x%x] \n", dtu_intf_wrptr, dtu_intf_wrptr); - printk(" fcw_dup_cnt = %d\n", fcw_dup_cnt); - printk(" sid_chg_cnt = %d\n", sid_change_in_dtu_cnt); - printk(" lcw_dup_cnt = %d\n\n", lcw_dup_cnt); - - - printk(" idx itf_dw0 itf_dw1 dtu_sid timestamp local_time res1 last_cw bad_flag reinit\n"); - printk(" -------------------------------------------------------------------------------------\n"); - for ( i = (dtu_intf_wrptr + 1) % 16, cnt = 0; cnt < 16; cnt ++, i = (i + 1) % 16 ) { - if(cnt < 15) - printk(" "); - else - printk(" *"); - printk("%3d %04x %04x %3d[%02x] %3d[%02x] %3d[%02x] 0x%02x %d %d %d\n", - i, - (*(unsigned int *)&rec[i]) & 0xffff, - (*(unsigned int *)&rec[i]) >> 16, - rec[i].dtu_sid, rec[i].dtu_sid, - rec[i].dtu_timestamp, rec[i].dtu_timestamp, - rec[i].local_time, rec[i].local_time, - rec[i].res1_1, - rec[i].is_last_cw, - rec[i].is_bad_cw, - rec[i].reinit_flag ); - } - } - else if ( stricmp(p, "read_wrx_context") == 0 ) { - int i = 0; - int flag = 0; - for( i = 0; i < 8; ++i ) { - if ( !WRX_QUEUE_CONTEXT(i)->curr_des0 || !WRX_QUEUE_CONTEXT(i)->curr_des1 ) - continue; - - flag = 1; - printk("WRX queue context [ %d ]: \n", i); - printk(" curr_len = %4d, mfs = %d, ec = %d, clp1 = %d, aal5dp = %d\n", - WRX_QUEUE_CONTEXT(i)->curr_len, WRX_QUEUE_CONTEXT(i)->mfs, - WRX_QUEUE_CONTEXT(i)->ec, WRX_QUEUE_CONTEXT(i)->clp1, - WRX_QUEUE_CONTEXT(i)->aal5dp); - printk(" initcrc = %08x\n", WRX_QUEUE_CONTEXT(i)->intcrc); - printk(" currdes = %08x %08x\n", - WRX_QUEUE_CONTEXT(i)->curr_des0, WRX_QUEUE_CONTEXT(i)->curr_des1); - printk(" last_dw = %08x\n\n", WRX_QUEUE_CONTEXT(i)->last_dword); - if( WRX_QUEUE_CONTEXT(i)->curr_len ) { - int j = 0; - unsigned char *p_char; - struct rx_descriptor *desc = (struct rx_descriptor *)&(WRX_QUEUE_CONTEXT(i)->curr_des0); - p_char = (unsigned char *)(((unsigned int)desc->dataptr << 2) | KSEG1); - printk(" Data in SDRAM:\n "); - - for ( j = 0 ; j < WRX_QUEUE_CONTEXT(i)->curr_len; ++j ) { - printk ("%02x", p_char[j]); - if ( j % 16 == 15 ) - printk("\n "); - else if ( j % 4 == 3 ) - printk (" "); - } - printk("\n\n"); - } - } - if ( !flag ) { - printk("No active wrx queue context\n"); - } - } - else if ( stricmp(p, "clear_pb") == 0 ) { - if ( g_retx_playout_buffer ) - memset((void *)g_retx_playout_buffer, 0, RETX_PLAYOUT_BUFFER_SIZE); - } - else if ( stricmp(p, "read_bad_dtu_intf_rec") == 0 ) { - struct Retx_adsl_ppe_intf first_dtu_intf, last_dtu_intf; - first_dtu_intf = *FIRST_BAD_REC_RETX_ADSL_PPE_INTF; - last_dtu_intf = *BAD_REC_RETX_ADSL_PPE_INTF; - - printk("\nAdsl-PPE Interface for first and last DTU of recent noise:\n\n"); - printk(" dtu_sid = 0x%02x [%3u], 0x%02x [%3u]\n", - first_dtu_intf.dtu_sid, first_dtu_intf.dtu_sid, - last_dtu_intf.dtu_sid, last_dtu_intf.dtu_sid); - printk(" dtu_timestamp = 0x%02x , 0x%02x\n", - first_dtu_intf.dtu_timestamp, last_dtu_intf.dtu_timestamp); - printk(" local_time = 0x%02x , 0x%02x\n", - first_dtu_intf.local_time, last_dtu_intf.local_time); - printk(" is_last_cw = %u , %u\n", - first_dtu_intf.is_last_cw, last_dtu_intf.is_last_cw); - printk(" reinit_flag = %u , %u\n", - first_dtu_intf.reinit_flag, last_dtu_intf.reinit_flag); - printk(" is_bad_cw = %u , %u\n\n", - first_dtu_intf.is_bad_cw, last_dtu_intf.is_bad_cw); - } - else if ( stricmp(p, "clear_bad_dtu_intf_rec") == 0 ) { - memset((void *)BAD_REC_RETX_ADSL_PPE_INTF, 0, sizeof(struct Retx_adsl_ppe_intf)); - memset((void *)FIRST_BAD_REC_RETX_ADSL_PPE_INTF, 0, sizeof(struct Retx_adsl_ppe_intf)); - } - else if ( stricmp(p, "clear_tx_cb") == 0 ) { - unsigned int *dbase0; - unsigned int pnum0; - - dbase0 = (unsigned int *)PPM_INT_UNIT_ADDR( FFSM_DBA(0)->dbase + 0x2000); - pnum0 = FFSM_CFG(0)->pnum; - memset(dbase0, 0, 14 * sizeof(unsigned int ) * pnum0); - } - else if ( stricmp(p, "clear_rx_cb") == 0 ) { - unsigned int *dbase0, *cbase0, *dbase1, *cbase1; - unsigned int pnum0; - - dbase0 = (unsigned int *)PPM_INT_UNIT_ADDR( SFSM_DBA(0)->dbase + 0x2000); - cbase0 = (unsigned int *)PPM_INT_UNIT_ADDR( SFSM_CBA(0)->cbase + 0x2000); - - dbase1 = (unsigned int *)PPM_INT_UNIT_ADDR( SFSM_DBA(1)->dbase + 0x2000); - cbase1 = (unsigned int *)PPM_INT_UNIT_ADDR( SFSM_CBA(1)->cbase + 0x2000); - - pnum0 = SFSM_CFG(0)->pnum; - - memset(dbase0, 0, 14 * sizeof(unsigned int ) * pnum0); - memset(cbase0, 0, sizeof(unsigned int ) * pnum0); - - memset(dbase1, 0, 14 * sizeof(unsigned int )); - memset(cbase1, 0, sizeof(unsigned int )); - } - else if ( strnicmp(p, "read_tx_cb", 10) == 0 ) { - unsigned int *dbase0; - unsigned int pnum0, i; - unsigned int * cell; - - dbase0 = (unsigned int *)PPM_INT_UNIT_ADDR( FFSM_DBA(0)->dbase + 0x2000); - pnum0 = FFSM_CFG(0)->pnum; - - printk("ATM TX BC 0 CELL data/ctrl buffer:\n\n"); - for(i = 0; i < pnum0 ; ++ i) { - cell = dbase0 + i * 14; - printk("cell %2d: %08x %08x\n", i, cell[0], cell[1]); - printk(" %08x %08x %08x %08x\n", cell[2], cell[3], cell[4], cell[5]); - printk(" %08x %08x %08x %08x\n", cell[6], cell[7], cell[8], cell[9]); - printk(" %08x %08x %08x %08x\n", cell[10], cell[11], cell[12], cell[13]); - } - } - else if ( strnicmp(p, "read_rx_cb", 10) == 0 ) { - unsigned int *dbase0, *cbase0, *dbase1, *cbase1; - unsigned int pnum0, i; - unsigned int * cell; - - dbase0 = (unsigned int *)PPM_INT_UNIT_ADDR( SFSM_DBA(0)->dbase + 0x2000); - cbase0 = (unsigned int *)PPM_INT_UNIT_ADDR( SFSM_CBA(0)->cbase + 0x2000); - - dbase1 = (unsigned int *)PPM_INT_UNIT_ADDR( SFSM_DBA(1)->dbase + 0x2000); - cbase1 = (unsigned int *)PPM_INT_UNIT_ADDR( SFSM_CBA(1)->cbase + 0x2000); - - pnum0 = SFSM_CFG(0)->pnum; - - printk("ATM RX BC 0 CELL data/ctrl buffer:\n\n"); - for(i = 0; i < pnum0 ; ++ i) { - struct Retx_ctrl_field * p_ctrl; - - cell = dbase0 + i * 14; - p_ctrl = (struct Retx_ctrl_field *) ( &cbase0[i]); - printk("cell %2d: %08x %08x -- [%08x]:", i, cell[0], cell[1], cbase0[i]); - - printk("l2_drop: %d, retx: %d", p_ctrl->l2_drop, p_ctrl->retx); - if ( p_ctrl->retx ) { - printk(", dtu_sid = %u, cell_sid = %u", p_ctrl->dtu_sid, p_ctrl->cell_sid); - } - - printk("\n"); - - printk(" %08x %08x %08x %08x\n", cell[2], cell[3], cell[4], cell[5]); - printk(" %08x %08x %08x %08x\n", cell[6], cell[7], cell[8], cell[9]); - printk(" %08x %08x %08x %08x\n", cell[10], cell[11], cell[12], cell[13]); - } - - printk("\n"); - printk("ATM RX BC 1 CELL data/ctrl buffer:\n\n"); - cell = dbase1; - printk("cell %2d: %08x %08x -- [%08x]: dtu_sid:%3d, cell_sid:%3d, next_ptr: %4d\n", - 0, cell[0], cell[1], cbase0[i], ( cell[1] >> 16) & 0xff, (cell[1] >> 24) & 0xff, cell[1] & 0xffff ); - printk(" %08x %08x %08x %08x\n", cell[2], cell[3], cell[4], cell[5]); - printk(" %08x %08x %08x %08x\n", cell[6], cell[7], cell[8], cell[9]); - printk(" %08x %08x %08x %08x\n", cell[10], cell[11], cell[12], cell[13]); - } - else if ( strnicmp(p, "read_pb ", 8) == 0 ) - { - int start_cell_idx = 0; - int cell_num = 0; - unsigned int *cell; - unsigned int pb_buff_size = RETX_MODE_CFG->buff_size * 32; - - p += 8; - rlen -= 8; - ignore_space(&p, &rlen); - - start_cell_idx = get_number(&p, &rlen, 0); - ignore_space(&p, &rlen); - cell_num = get_number(&p, &rlen, 0); - - if ( start_cell_idx >= pb_buff_size ) { - printk(" Invalid cell index\n"); - } - else { - int i; - if ( cell_num < 0 ) - cell_num = 1; - - if ( cell_num + start_cell_idx > pb_buff_size ) - cell_num = pb_buff_size - start_cell_idx; - - for ( i = 0; i < cell_num ; ++i ) { - cell = (unsigned int *)((unsigned int *)g_retx_playout_buffer + (14 * (start_cell_idx + i))); - printk("cell %4d: %08x %08x [next_ptr = %4u, dtu_sid = %3u, cell_sid = %3u]\n", - start_cell_idx + i, cell[0], cell[1], cell[1] & 0xffff, (cell[1] >> 16) & 0xff, (cell[1] >> 24) & 0xff); - printk(" %08x %08x %08x %08x\n", cell[2], cell[3], cell[4], cell[5]); - printk(" %08x %08x %08x %08x\n", cell[6], cell[7], cell[8], cell[9]); - printk(" %08x %08x %08x %08x\n", cell[10], cell[11], cell[12], cell[13]); - } - } - } - - return count; -} - -static int proc_read_retx_cfg(char *page, char **start, off_t off, int count, int *eof, void *data) -{ - int len = 0; - - len += sprintf(page + off + len, "ReTX FW Config:\n"); - len += sprintf(page + off + len, " RETX_MODE_CFG = 0x%08x, invld_range=%u, buff_size=%u, retx=%u\n", *(volatile unsigned int *)RETX_MODE_CFG, (unsigned int)RETX_MODE_CFG->invld_range, (unsigned int)RETX_MODE_CFG->buff_size * 32, (unsigned int)RETX_MODE_CFG->retx_en); - len += sprintf(page + off + len, " RETX_TSYNC_CFG = 0x%08x, fw_alpha=%u, sync_inp=%u\n", *(volatile unsigned int *)RETX_TSYNC_CFG, (unsigned int)RETX_TSYNC_CFG->fw_alpha, (unsigned int)RETX_TSYNC_CFG->sync_inp); - len += sprintf(page + off + len, " RETX_TD_CFG = 0x%08x, td_max=%u, td_min=%u\n", *(volatile unsigned int *)RETX_TD_CFG, (unsigned int)RETX_TD_CFG->td_max, (unsigned int)RETX_TD_CFG->td_min); - len += sprintf(page + off + len, " RETX_PLAYOUT_BUFFER_BASE = 0x%08x\n", *RETX_PLAYOUT_BUFFER_BASE); - len += sprintf(page + off + len, " RETX_SERVICE_HEADER_CFG = 0x%08x\n", *RETX_SERVICE_HEADER_CFG); - len += sprintf(page + off + len, " RETX_MASK_HEADER_CFG = 0x%08x\n", *RETX_MASK_HEADER_CFG); - len += sprintf(page + off + len, " RETX_MIB_TIMER_CFG = 0x%08x, tick_cycle = %d, ticks_per_sec = %d\n", - *(unsigned int *)RETX_MIB_TIMER_CFG, RETX_MIB_TIMER_CFG->tick_cycle, RETX_MIB_TIMER_CFG->ticks_per_sec); - - *eof = 1; - - return len; -} - -static int proc_write_retx_cfg(struct file *file, const char *buf, unsigned long count, void *data) -{ - char *p1, *p2; - int len; - int colon; - char local_buf[1024]; - char *tokens[4] = {0}; - unsigned int token_num = 0; - - len = sizeof(local_buf) < count ? sizeof(local_buf) - 1 : count; - len = len - copy_from_user(local_buf, buf, len); - local_buf[len] = 0; - - p1 = local_buf; - colon = 0; - while ( token_num < NUM_ENTITY(tokens) && get_token(&p1, &p2, &len, &colon) ) { - tokens[token_num++] = p1; - - p1 = p2; - } - - if ( token_num > 0 ) { - if ( stricmp(tokens[0], "help") == 0 ) { - printk("echo help > /proc/driver/ifx_atm/retx_cfg ==> \n\tprint this help message\n\n"); - - printk("echo set retx <enable|disable|0|1|on|off> > /proc/driver/ifx_atm/retx_cfg\n"); - printk("\t:enable or disable retx feature\n\n"); - - printk("echo set <td_max|td_min|fw_alpha|sync_inp|invld_range|buff_size> <number> > /proc/driver/ifx_atm/retx_cfg\n"); - printk("\t: set td_max, td_min, fw_alpha, sync_inp, invalid_range, buff_size\n\n"); - - printk("echo set <service_header|service_mask> <hex_number> /proc/driver/ifx_atm/retx_cfg \n"); - printk("\t: set service_header, service_mask\n\n"); - } - else if ( stricmp(tokens[0], "set") == 0 && token_num >= 3 ) { - - if ( stricmp(tokens[1], "retx") == 0 ) { - if ( stricmp(tokens[2], "enable") == 0 || - stricmp(tokens[2], "on") == 0 || - stricmp(tokens[2], "1") == 0 ) - RETX_MODE_CFG->retx_en = 1; - else if ( stricmp(tokens[2], "disable") == 0 || - stricmp(tokens[2], "off") == 0 || - stricmp(tokens[2], "0") == 0 ) - RETX_MODE_CFG->retx_en = 0; - printk("RETX_MODE_CFG->retx_en - %d\n", RETX_MODE_CFG->retx_en); - } - else { - unsigned int dec_val, hex_val; - - p1 = tokens[2]; - dec_val = (unsigned int)get_number(&p1, NULL, 0); - p2 = tokens[2]; - hex_val = (unsigned int)get_number(&p2, NULL, 1); - - if ( *p2 == 0 ) { - if ( stricmp(tokens[1], "service_header") == 0 ) { - *RETX_SERVICE_HEADER_CFG = hex_val; - printk("RETX_SERVICE_HEADER_CFG - 0x%08x\n", *RETX_SERVICE_HEADER_CFG); - } - else if ( stricmp(tokens[1], "service_mask") == 0 ) { - *RETX_MASK_HEADER_CFG = hex_val; - printk("RETX_MASK_HEADER_CFG - 0x%08x\n", *RETX_MASK_HEADER_CFG); - } - } - if ( *p1 == 0 ) { - if ( stricmp(tokens[1], "td_max") == 0 ) { - (unsigned int)RETX_TD_CFG->td_max = (dec_val >= 0xff ? 0Xff : dec_val); - printk("RETX_TD_CFG->td_max - %d\n", RETX_TD_CFG->td_max); - } - else if ( stricmp(tokens[1], "td_min") == 0 ) { - (unsigned int)RETX_TD_CFG->td_min = (dec_val >= 0xff ? 0Xff : dec_val); - printk("RETX_TD_CFG->td_min - %d\n", RETX_TD_CFG->td_min); - } - else if ( stricmp(tokens[1], "fw_alpha") == 0 ) { - RETX_TSYNC_CFG->fw_alpha = dec_val >= 0x7FFE ? 0X7EEE : dec_val; - printk("RETX_TSYNC_CFG->fw_alpha - %d\n", RETX_TSYNC_CFG->fw_alpha); - } - else if ( stricmp(tokens[1], "sync_inp") == 0 ) { - RETX_TSYNC_CFG->sync_inp = dec_val >= 0x7FFE ? 0X7EEE : dec_val; - printk("RETX_TSYNC_CFG->sync_inp - %d\n", RETX_TSYNC_CFG->sync_inp); - } - else if ( stricmp(tokens[1], "invld_range") == 0 ) { - RETX_MODE_CFG->invld_range = dec_val >= 250 ? 250 : dec_val; - printk("RETX_MODE_CFG->invld_range - %d\n", RETX_MODE_CFG->invld_range); - } - else if ( stricmp(tokens[1], "buff_size") == 0 ) { - dec_val = (dec_val + 31) / 32; - RETX_MODE_CFG->buff_size = dec_val >= 4096 / 32 ? 4096 / 32 : dec_val; - printk("RETX_MODE_CFG->buff_size - %d\n", RETX_MODE_CFG->buff_size); - } - } - } - - } - } - - return count; -} - -static int proc_read_retx_dsl_param(char *page, char **start, off_t off, int count, int *eof, void *data) -{ - int len = 0; - - len += sprintf(page + off + len, "DSL Param [timestamp %ld.%ld]:\n", g_retx_polling_start.tv_sec, g_retx_polling_start.tv_usec); - - if ( g_xdata_addr == NULL ) - len += sprintf(page + off + len, " DSL parameters not available !\n"); - else { - volatile struct dsl_param *p_dsl_param = (volatile struct dsl_param *)g_xdata_addr; - - len += sprintf(page + off + len, " update_flag = %u\n", p_dsl_param->update_flag); - len += sprintf(page + off + len, " MinDelayrt = %u\n", p_dsl_param->MinDelayrt); - len += sprintf(page + off + len, " MaxDelayrt = %u\n", p_dsl_param->MaxDelayrt); - len += sprintf(page + off + len, " RetxEnable = %u\n", p_dsl_param->RetxEnable); - len += sprintf(page + off + len, " ServiceSpecificReTx = %u\n", p_dsl_param->ServiceSpecificReTx); - len += sprintf(page + off + len, " ReTxPVC = 0x%08x\n", p_dsl_param->ReTxPVC); - len += sprintf(page + off + len, " RxDtuCorruptedCNT = %u\n", p_dsl_param->RxDtuCorruptedCNT); - len += sprintf(page + off + len, " RxRetxDtuUnCorrectedCNT = %u\n", p_dsl_param->RxRetxDtuUnCorrectedCNT); - len += sprintf(page + off + len, " RxLastEFB = %u\n", p_dsl_param->RxLastEFB); - len += sprintf(page + off + len, " RxDtuCorrectedCNT = %u\n", p_dsl_param->RxDtuCorrectedCNT); - } - if ( g_retx_polling_end.tv_sec != 0 || g_retx_polling_end.tv_usec != 0 ) { - unsigned long polling_time_usec; - - polling_time_usec = (g_retx_polling_end.tv_sec - g_retx_polling_start.tv_sec) * 1000000 + (g_retx_polling_end.tv_usec - g_retx_polling_start.tv_usec); - len += sprintf(page + off + len, "DSL Param Update Time: %lu.%03lums\n", polling_time_usec / 1000, polling_time_usec % 1000); - } - - return len; -} - - #endif - -#endif - -static int stricmp(const char *p1, const char *p2) -{ - int c1, c2; - - while ( *p1 && *p2 ) { - c1 = *p1 >= 'A' && *p1 <= 'Z' ? *p1 + 'a' - 'A' : *p1; - c2 = *p2 >= 'A' && *p2 <= 'Z' ? *p2 + 'a' - 'A' : *p2; - if ( (c1 -= c2) ) - return c1; - p1++; - p2++; - } - - return *p1 - *p2; -} - -#if defined(ENABLE_DBG_PROC) && ENABLE_DBG_PROC - -static int strincmp(const char *p1, const char *p2, int n) -{ - int c1 = 0, c2; - - while ( n && *p1 && *p2 ) { - c1 = *p1 >= 'A' && *p1 <= 'Z' ? *p1 + 'a' - 'A' : *p1; - c2 = *p2 >= 'A' && *p2 <= 'Z' ? *p2 + 'a' - 'A' : *p2; - if ( (c1 -= c2) ) - return c1; - p1++; - p2++; - n--; - } - - return n ? *p1 - *p2 : c1; -} - -static int get_token(char **p1, char **p2, int *len, int *colon) -{ - int tlen = 0; - - while ( *len && !((**p1 >= 'A' && **p1 <= 'Z') || (**p1 >= 'a' && **p1<= 'z') || (**p1 >= '0' && **p1<= '9')) ) - { - (*p1)++; - (*len)--; - } - if ( !*len ) - return 0; - - if ( *colon ) - { - *colon = 0; - *p2 = *p1; - while ( *len && **p2 > ' ' && **p2 != ',' ) - { - if ( **p2 == ':' ) - { - *colon = 1; - break; - } - (*p2)++; - (*len)--; - tlen++; - } - **p2 = 0; - } - else - { - *p2 = *p1; - while ( *len && **p2 > ' ' && **p2 != ',' ) - { - (*p2)++; - (*len)--; - tlen++; - } - **p2 = 0; - } - - return tlen; -} - -static unsigned int get_number(char **p, int *len, int is_hex) -{ - unsigned int ret = 0; - unsigned int n = 0; - - if ( (*p)[0] == '0' && (*p)[1] == 'x' ) - { - is_hex = 1; - (*p) += 2; - if ( len ) - (*len) -= 2; - } - - if ( is_hex ) - { - while ( (!len || *len) && ((**p >= '0' && **p <= '9') || (**p >= 'a' && **p <= 'f') || (**p >= 'A' && **p <= 'F')) ) - { - if ( **p >= '0' && **p <= '9' ) - n = **p - '0'; - else if ( **p >= 'a' && **p <= 'f' ) - n = **p - 'a' + 10; - else if ( **p >= 'A' && **p <= 'F' ) - n = **p - 'A' + 10; - ret = (ret << 4) | n; - (*p)++; - if ( len ) - (*len)--; - } - } - else - { - while ( (!len || *len) && **p >= '0' && **p <= '9' ) - { - n = **p - '0'; - ret = ret * 10 + n; - (*p)++; - if ( len ) - (*len)--; - } - } - - return ret; -} - -static void ignore_space(char **p, int *len) -{ - while ( *len && (**p <= ' ' || **p == ':' || **p == '.' || **p == ',') ) - { - (*p)++; - (*len)--; - } -} - -#endif - -static INLINE int ifx_atm_version(char *buf) -{ - int len = 0; - unsigned int major, minor; - - ifx_atm_get_fw_ver(&major, &minor); - - len += sprintf(buf + len, " ATM (A1) firmware version %d.%d.%d\n", IFX_ATM_VER_MAJOR, IFX_ATM_VER_MID,IFX_ATM_VER_MINOR); - - return len; -} - -static INLINE void check_parameters(void) -{ - /* Please refer to Amazon spec 15.4 for setting these values. */ - if ( qsb_tau < 1 ) - qsb_tau = 1; - if ( qsb_tstep < 1 ) - qsb_tstep = 1; - else if ( qsb_tstep > 4 ) - qsb_tstep = 4; - else if ( qsb_tstep == 3 ) - qsb_tstep = 2; - - /* There is a delay between PPE write descriptor and descriptor is */ - /* really stored in memory. Host also has this delay when writing */ - /* descriptor. So PPE will use this value to determine if the write */ - /* operation makes effect. */ - if ( write_descriptor_delay < 0 ) - write_descriptor_delay = 0; - - if ( aal5_fill_pattern < 0 ) - aal5_fill_pattern = 0; - else - aal5_fill_pattern &= 0xFF; - - /* Because of the limitation of length field in descriptors, the packet */ - /* size could not be larger than 64K minus overhead size. */ - if ( aal5r_max_packet_size < 0 ) - aal5r_max_packet_size = 0; - else if ( aal5r_max_packet_size >= 65535 - MAX_RX_FRAME_EXTRA_BYTES ) - aal5r_max_packet_size = 65535 - MAX_RX_FRAME_EXTRA_BYTES; - if ( aal5r_min_packet_size < 0 ) - aal5r_min_packet_size = 0; - else if ( aal5r_min_packet_size > aal5r_max_packet_size ) - aal5r_min_packet_size = aal5r_max_packet_size; - if ( aal5s_max_packet_size < 0 ) - aal5s_max_packet_size = 0; - else if ( aal5s_max_packet_size >= 65535 - MAX_TX_FRAME_EXTRA_BYTES ) - aal5s_max_packet_size = 65535 - MAX_TX_FRAME_EXTRA_BYTES; - if ( aal5s_min_packet_size < 0 ) - aal5s_min_packet_size = 0; - else if ( aal5s_min_packet_size > aal5s_max_packet_size ) - aal5s_min_packet_size = aal5s_max_packet_size; - - if ( dma_rx_descriptor_length < 2 ) - dma_rx_descriptor_length = 2; - if ( dma_tx_descriptor_length < 2 ) - dma_tx_descriptor_length = 2; - if ( dma_rx_clp1_descriptor_threshold < 0 ) - dma_rx_clp1_descriptor_threshold = 0; - else if ( dma_rx_clp1_descriptor_threshold > dma_rx_descriptor_length ) - dma_rx_clp1_descriptor_threshold = dma_rx_descriptor_length; - - if ( dma_tx_descriptor_length < 2 ) - dma_tx_descriptor_length = 2; -} - -static INLINE int init_priv_data(void) -{ - void *p; - int i; - struct rx_descriptor rx_desc = {0}; - struct sk_buff *skb; - volatile struct tx_descriptor *p_tx_desc; - struct sk_buff **ppskb; - - // clear atm private data structure - memset(&g_atm_priv_data, 0, sizeof(g_atm_priv_data)); - - // allocate memory for RX (AAL) descriptors - p = kzalloc(dma_rx_descriptor_length * sizeof(struct rx_descriptor) + DESC_ALIGNMENT, GFP_KERNEL); - if ( p == NULL ) - return IFX_ERROR; - dma_cache_wback_inv((unsigned long)p, dma_rx_descriptor_length * sizeof(struct rx_descriptor) + DESC_ALIGNMENT); - g_atm_priv_data.aal_desc_base = p; - p = (void *)((((unsigned int)p + DESC_ALIGNMENT - 1) & ~(DESC_ALIGNMENT - 1)) | KSEG1); - g_atm_priv_data.aal_desc = (volatile struct rx_descriptor *)p; - - // allocate memory for RX (OAM) descriptors - p = kzalloc(RX_DMA_CH_OAM_DESC_LEN * sizeof(struct rx_descriptor) + DESC_ALIGNMENT, GFP_KERNEL); - if ( p == NULL ) - return IFX_ERROR; - dma_cache_wback_inv((unsigned long)p, RX_DMA_CH_OAM_DESC_LEN * sizeof(struct rx_descriptor) + DESC_ALIGNMENT); - g_atm_priv_data.oam_desc_base = p; - p = (void *)((((unsigned int)p + DESC_ALIGNMENT - 1) & ~(DESC_ALIGNMENT - 1)) | KSEG1); - g_atm_priv_data.oam_desc = (volatile struct rx_descriptor *)p; - - // allocate memory for RX (OAM) buffer - p = kzalloc(RX_DMA_CH_OAM_DESC_LEN * RX_DMA_CH_OAM_BUF_SIZE + DATA_BUFFER_ALIGNMENT, GFP_KERNEL); - if ( p == NULL ) - return IFX_ERROR; - dma_cache_wback_inv((unsigned long)p, RX_DMA_CH_OAM_DESC_LEN * RX_DMA_CH_OAM_BUF_SIZE + DATA_BUFFER_ALIGNMENT); - g_atm_priv_data.oam_buf_base = p; - p = (void *)(((unsigned int)p + DATA_BUFFER_ALIGNMENT - 1) & ~(DATA_BUFFER_ALIGNMENT - 1)); - g_atm_priv_data.oam_buf = p; - - // allocate memory for TX descriptors - p = kzalloc(MAX_PVC_NUMBER * dma_tx_descriptor_length * sizeof(struct tx_descriptor) + DESC_ALIGNMENT, GFP_KERNEL); - if ( p == NULL ) - return IFX_ERROR; - dma_cache_wback_inv((unsigned long)p, MAX_PVC_NUMBER * dma_tx_descriptor_length * sizeof(struct tx_descriptor) + DESC_ALIGNMENT); - g_atm_priv_data.tx_desc_base = p; - - // allocate memory for TX skb pointers - p = kzalloc(MAX_PVC_NUMBER * dma_tx_descriptor_length * sizeof(struct sk_buff *) + 4, GFP_KERNEL); - if ( p == NULL ) - return IFX_ERROR; - dma_cache_wback_inv((unsigned long)p, MAX_PVC_NUMBER * dma_tx_descriptor_length * sizeof(struct sk_buff *) + 4); - g_atm_priv_data.tx_skb_base = p; - - // setup RX (AAL) descriptors - rx_desc.own = 1; - rx_desc.c = 0; - rx_desc.sop = 1; - rx_desc.eop = 1; - rx_desc.byteoff = 0; - rx_desc.id = 0; - rx_desc.err = 0; - rx_desc.datalen = RX_DMA_CH_AAL_BUF_SIZE; - for ( i = 0; i < dma_rx_descriptor_length; i++ ) { - skb = alloc_skb_rx(); - if ( skb == NULL ) - return IFX_ERROR; - rx_desc.dataptr = ((unsigned int)skb->data >> 2) & 0x0FFFFFFF; - g_atm_priv_data.aal_desc[i] = rx_desc; - } - - // setup RX (OAM) descriptors - p = (void *)((unsigned int)g_atm_priv_data.oam_buf | KSEG1); - rx_desc.own = 1; - rx_desc.c = 0; - rx_desc.sop = 1; - rx_desc.eop = 1; - rx_desc.byteoff = 0; - rx_desc.id = 0; - rx_desc.err = 0; - rx_desc.datalen = RX_DMA_CH_OAM_BUF_SIZE; - for ( i = 0; i < RX_DMA_CH_OAM_DESC_LEN; i++ ) { - rx_desc.dataptr = ((unsigned int)p >> 2) & 0x0FFFFFFF; - g_atm_priv_data.oam_desc[i] = rx_desc; - p = (void *)((unsigned int)p + RX_DMA_CH_OAM_BUF_SIZE); - } - - // setup TX descriptors and skb pointers - p_tx_desc = (volatile struct tx_descriptor *)((((unsigned int)g_atm_priv_data.tx_desc_base + DESC_ALIGNMENT - 1) & ~(DESC_ALIGNMENT - 1)) | KSEG1); - ppskb = (struct sk_buff **)(((unsigned int)g_atm_priv_data.tx_skb_base + 3) & ~3); - for ( i = 0; i < MAX_PVC_NUMBER; i++ ) { - g_atm_priv_data.conn[i].tx_desc = &p_tx_desc[i * dma_tx_descriptor_length]; - g_atm_priv_data.conn[i].tx_skb = &ppskb[i * dma_tx_descriptor_length]; - } - - for ( i = 0; i < ATM_PORT_NUMBER; i++ ) - g_atm_priv_data.port[i].tx_max_cell_rate = DEFAULT_TX_LINK_RATE; - - return IFX_SUCCESS; -} - -static INLINE void clear_priv_data(void) -{ - int i, j; - struct sk_buff *skb; - - for ( i = 0; i < MAX_PVC_NUMBER; i++ ) { - if ( g_atm_priv_data.conn[i].tx_skb != NULL ) { - for ( j = 0; j < dma_tx_descriptor_length; j++ ) - if ( g_atm_priv_data.conn[i].tx_skb[j] != NULL ) - dev_kfree_skb_any(g_atm_priv_data.conn[i].tx_skb[j]); - } - } - - if ( g_atm_priv_data.tx_skb_base != NULL ) - kfree(g_atm_priv_data.tx_skb_base); - - if ( g_atm_priv_data.tx_desc_base != NULL ) - kfree(g_atm_priv_data.tx_desc_base); - - if ( g_atm_priv_data.oam_buf_base != NULL ) - kfree(g_atm_priv_data.oam_buf_base); - - if ( g_atm_priv_data.oam_desc_base != NULL ) - kfree(g_atm_priv_data.oam_desc_base); - - if ( g_atm_priv_data.aal_desc_base != NULL ) { - for ( i = 0; i < dma_rx_descriptor_length; i++ ) { - if ( g_atm_priv_data.aal_desc[i].sop || g_atm_priv_data.aal_desc[i].eop ) { // descriptor initialized - skb = get_skb_rx_pointer(g_atm_priv_data.aal_desc[i].dataptr); - dev_kfree_skb_any(skb); - } - } - kfree(g_atm_priv_data.aal_desc_base); - } -} - -static INLINE void init_rx_tables(void) -{ - int i; - struct wrx_queue_config wrx_queue_config = {0}; - struct wrx_dma_channel_config wrx_dma_channel_config = {0}; - struct htu_entry htu_entry = {0}; - struct htu_result htu_result = {0}; - struct htu_mask htu_mask = { set: 0x01, - clp: 0x01, - pid_mask: 0x00, - vpi_mask: 0x00, - vci_mask: 0x00, - pti_mask: 0x00, - clear: 0x00}; - - /* - * General Registers - */ - *CFG_WRX_HTUTS = MAX_PVC_NUMBER + OAM_HTU_ENTRY_NUMBER; -#ifndef CONFIG_AMAZON_SE - *CFG_WRX_QNUM = MAX_QUEUE_NUMBER; -#endif - *CFG_WRX_DCHNUM = RX_DMA_CH_TOTAL; - *WRX_DMACH_ON = (1 << RX_DMA_CH_TOTAL) - 1; - *WRX_HUNT_BITTH = DEFAULT_RX_HUNT_BITTH; - - /* - * WRX Queue Configuration Table - */ - wrx_queue_config.uumask = 0; - wrx_queue_config.cpimask = 0; - wrx_queue_config.uuexp = 0; - wrx_queue_config.cpiexp = 0; - wrx_queue_config.mfs = aal5r_max_packet_size; - wrx_queue_config.oversize = aal5r_max_packet_size; - wrx_queue_config.undersize = aal5r_min_packet_size; - wrx_queue_config.errdp = aal5r_drop_error_packet; - wrx_queue_config.dmach = RX_DMA_CH_AAL; - for ( i = 0; i < MAX_QUEUE_NUMBER; i++ ) - *WRX_QUEUE_CONFIG(i) = wrx_queue_config; - WRX_QUEUE_CONFIG(OAM_RX_QUEUE)->dmach = RX_DMA_CH_OAM; - - /* - * WRX DMA Channel Configuration Table - */ - wrx_dma_channel_config.chrl = 0; - wrx_dma_channel_config.clp1th = dma_rx_clp1_descriptor_threshold; - wrx_dma_channel_config.mode = 0; - wrx_dma_channel_config.rlcfg = 0; - - wrx_dma_channel_config.deslen = RX_DMA_CH_OAM_DESC_LEN; - wrx_dma_channel_config.desba = ((unsigned int)g_atm_priv_data.oam_desc >> 2) & 0x0FFFFFFF; - *WRX_DMA_CHANNEL_CONFIG(RX_DMA_CH_OAM) = wrx_dma_channel_config; - - wrx_dma_channel_config.deslen = dma_rx_descriptor_length; - wrx_dma_channel_config.desba = ((unsigned int)g_atm_priv_data.aal_desc >> 2) & 0x0FFFFFFF; - *WRX_DMA_CHANNEL_CONFIG(RX_DMA_CH_AAL) = wrx_dma_channel_config; - - /* - * HTU Tables - */ - for ( i = 0; i < MAX_PVC_NUMBER; i++ ) - { - htu_result.qid = (unsigned int)i; - - *HTU_ENTRY(i + OAM_HTU_ENTRY_NUMBER) = htu_entry; - *HTU_MASK(i + OAM_HTU_ENTRY_NUMBER) = htu_mask; - *HTU_RESULT(i + OAM_HTU_ENTRY_NUMBER) = htu_result; - } - /* OAM HTU Entry */ - htu_entry.vci = 0x03; - htu_mask.pid_mask = 0x03; - htu_mask.vpi_mask = 0xFF; - htu_mask.vci_mask = 0x0000; - htu_mask.pti_mask = 0x07; - htu_result.cellid = OAM_RX_QUEUE; - htu_result.type = 1; - htu_result.ven = 1; - htu_result.qid = OAM_RX_QUEUE; - *HTU_RESULT(OAM_F4_SEG_HTU_ENTRY) = htu_result; - *HTU_MASK(OAM_F4_SEG_HTU_ENTRY) = htu_mask; - *HTU_ENTRY(OAM_F4_SEG_HTU_ENTRY) = htu_entry; - htu_entry.vci = 0x04; - htu_result.cellid = OAM_RX_QUEUE; - htu_result.type = 1; - htu_result.ven = 1; - htu_result.qid = OAM_RX_QUEUE; - *HTU_RESULT(OAM_F4_TOT_HTU_ENTRY) = htu_result; - *HTU_MASK(OAM_F4_TOT_HTU_ENTRY) = htu_mask; - *HTU_ENTRY(OAM_F4_TOT_HTU_ENTRY) = htu_entry; - htu_entry.vci = 0x00; - htu_entry.pti = 0x04; - htu_mask.vci_mask = 0xFFFF; - htu_mask.pti_mask = 0x01; - htu_result.cellid = OAM_RX_QUEUE; - htu_result.type = 1; - htu_result.ven = 1; - htu_result.qid = OAM_RX_QUEUE; - *HTU_RESULT(OAM_F5_HTU_ENTRY) = htu_result; - *HTU_MASK(OAM_F5_HTU_ENTRY) = htu_mask; - *HTU_ENTRY(OAM_F5_HTU_ENTRY) = htu_entry; -#if defined(ENABLE_ATM_RETX) && ENABLE_ATM_RETX - htu_entry.pid = 0x0; - htu_entry.vpi = 0x01; - htu_entry.vci = 0x0001; - htu_entry.pti = 0x00; - htu_mask.pid_mask = 0x0; - htu_mask.vpi_mask = 0x00; - htu_mask.vci_mask = 0x0000; - htu_mask.pti_mask = 0x3; - htu_result.cellid = OAM_RX_QUEUE; - htu_result.type = 1; - htu_result.ven = 1; - htu_result.qid = OAM_RX_QUEUE; - *HTU_RESULT(OAM_ARQ_HTU_ENTRY) = htu_result; - *HTU_MASK(OAM_ARQ_HTU_ENTRY) = htu_mask; - *HTU_ENTRY(OAM_ARQ_HTU_ENTRY) = htu_entry; -#endif -} - -static INLINE void init_tx_tables(void) -{ - int i; - struct wtx_queue_config wtx_queue_config = {0}; - struct wtx_dma_channel_config wtx_dma_channel_config = {0}; - struct wtx_port_config wtx_port_config = { res1: 0, - qid: 0, - qsben: 1}; - - /* - * General Registers - */ - *CFG_WTX_DCHNUM = MAX_TX_DMA_CHANNEL_NUMBER; - *WTX_DMACH_ON = ((1 << MAX_TX_DMA_CHANNEL_NUMBER) - 1) ^ ((1 << FIRST_QSB_QID) - 1); - *CFG_WRDES_DELAY = write_descriptor_delay; - - /* - * WTX Port Configuration Table - */ - for ( i = 0; i < ATM_PORT_NUMBER; i++ ) - *WTX_PORT_CONFIG(i) = wtx_port_config; - - /* - * WTX Queue Configuration Table - */ - wtx_queue_config.qsben = 1; - wtx_queue_config.sbid = 0; - for ( i = 0; i < MAX_TX_DMA_CHANNEL_NUMBER; i++ ) { - wtx_queue_config.qsb_vcid = i; - *WTX_QUEUE_CONFIG(i) = wtx_queue_config; - } - - /* - * WTX DMA Channel Configuration Table - */ - wtx_dma_channel_config.mode = 0; - wtx_dma_channel_config.deslen = 0; - wtx_dma_channel_config.desba = 0; - for ( i = 0; i < FIRST_QSB_QID; i++ ) - *WTX_DMA_CHANNEL_CONFIG(i) = wtx_dma_channel_config; - /* normal connection */ - wtx_dma_channel_config.deslen = dma_tx_descriptor_length; - for ( ; i < MAX_TX_DMA_CHANNEL_NUMBER ; i++ ) { - wtx_dma_channel_config.desba = ((unsigned int)g_atm_priv_data.conn[i - FIRST_QSB_QID].tx_desc >> 2) & 0x0FFFFFFF; - *WTX_DMA_CHANNEL_CONFIG(i) = wtx_dma_channel_config; - } -} - - - -/* - * #################################### - * Global Function - * #################################### - */ - -static int atm_showtime_enter(struct port_cell_info *port_cell, void *xdata_addr) -{ - int i, j; - - ASSERT(port_cell != NULL, "port_cell is NULL"); - ASSERT(xdata_addr != NULL, "xdata_addr is NULL"); - - for ( j = 0; j < ATM_PORT_NUMBER && j < port_cell->port_num; j++ ) - if ( port_cell->tx_link_rate[j] > 0 ) - break; - for ( i = 0; i < ATM_PORT_NUMBER && i < port_cell->port_num; i++ ) - g_atm_priv_data.port[i].tx_max_cell_rate = port_cell->tx_link_rate[i] > 0 ? port_cell->tx_link_rate[i] : port_cell->tx_link_rate[j]; - - qsb_global_set(); - - for ( i = 0; i < MAX_PVC_NUMBER; i++ ) - if ( g_atm_priv_data.conn[i].vcc != NULL ) - set_qsb(g_atm_priv_data.conn[i].vcc, &g_atm_priv_data.conn[i].vcc->qos, i); - - // TODO: ReTX set xdata_addr - g_xdata_addr = xdata_addr; - - g_showtime = 1; - -#if defined(CONFIG_VR9) - IFX_REG_W32(0x0F, UTP_CFG); -#endif - -#if defined(ENABLE_ATM_RETX) && ENABLE_ATM_RETX - if ( !timer_pending(&g_retx_polling_timer) ) { - g_retx_polling_cnt = HZ; - g_retx_polling_timer.expires = jiffies + RETX_POLLING_INTERVAL; - add_timer(&g_retx_polling_timer); - } -#endif - - //printk("enter showtime, cell rate: 0 - %d, 1 - %d, xdata addr: 0x%08x\n", g_atm_priv_data.port[0].tx_max_cell_rate, g_atm_priv_data.port[1].tx_max_cell_rate, (unsigned int)g_xdata_addr); - - return IFX_SUCCESS; -} - -static int atm_showtime_exit(void) -{ - if ( !g_showtime ) - return IFX_ERROR; - -#if defined(ENABLE_ATM_RETX) && ENABLE_ATM_RETX - RETX_MODE_CFG->retx_en = 0; // disable ReTX - del_timer(&g_retx_polling_timer); -#endif - -#if defined(CONFIG_VR9) - IFX_REG_W32(0x00, UTP_CFG); -#endif - - g_showtime = 0; - - // TODO: ReTX clean state - g_xdata_addr = NULL; - - printk("leave showtime\n"); - - return IFX_SUCCESS; -} - - - -/* - * #################################### - * Init/Cleanup API - * #################################### - */ - -/* - * Description: - * Initialize global variables, PP32, comunication structures, register IRQ - * and register device. - * Input: - * none - * Output: - * 0 --- successful - * else --- failure, usually it is negative value of error code - */ -static int __devinit ifx_atm_init(void) -{ - int ret; - int port_num; - struct port_cell_info port_cell = {0}; - int i, j; - char ver_str[256]; - - check_parameters(); - - ret = init_priv_data(); - if ( ret != IFX_SUCCESS ) { - err("INIT_PRIV_DATA_FAIL"); - goto INIT_PRIV_DATA_FAIL; - } - - ifx_atm_init_chip(); - init_rx_tables(); - init_tx_tables(); - - /* create devices */ - for ( port_num = 0; port_num < ATM_PORT_NUMBER; port_num++ ) { -#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,33)) - g_atm_priv_data.port[port_num].dev = atm_dev_register("ifxmips_atm", &g_ifx_atm_ops, -1, NULL); -#else - g_atm_priv_data.port[port_num].dev = atm_dev_register("ifxmips_atm", NULL, &g_ifx_atm_ops, -1, NULL); -#endif - - if ( !g_atm_priv_data.port[port_num].dev ) { - err("failed to register atm device %d!", port_num); - ret = -EIO; - goto ATM_DEV_REGISTER_FAIL; - } - else { - g_atm_priv_data.port[port_num].dev->ci_range.vpi_bits = 8; - g_atm_priv_data.port[port_num].dev->ci_range.vci_bits = 16; - g_atm_priv_data.port[port_num].dev->link_rate = g_atm_priv_data.port[port_num].tx_max_cell_rate; - g_atm_priv_data.port[port_num].dev->dev_data = (void*)port_num; - } - } - - /* register interrupt handler */ - ret = request_irq(PPE_MAILBOX_IGU1_INT, mailbox_irq_handler, IRQF_DISABLED, "atm_mailbox_isr", &g_atm_priv_data); - if ( ret ) { - if ( ret == -EBUSY ) { - err("IRQ may be occupied by other driver, please reconfig to disable it."); - } - else { - err("request_irq fail"); - } - goto REQUEST_IRQ_PPE_MAILBOX_IGU1_INT_FAIL; - } - disable_irq(PPE_MAILBOX_IGU1_INT); - -#if defined(ENABLE_ATM_RETX) && ENABLE_ATM_RETX - init_atm_tc_retrans_param(); - - init_timer(&g_retx_polling_timer); - g_retx_polling_timer.function = retx_polling_func; -#endif - - ret = ifx_pp32_start(0); - if ( ret ) { - err("ifx_pp32_start fail!"); - goto PP32_START_FAIL; - } - - port_cell.port_num = ATM_PORT_NUMBER; - if( !IS_ERR(&ifx_mei_atm_showtime_check) && &ifx_mei_atm_showtime_check) - ifx_mei_atm_showtime_check(&g_showtime, &port_cell, &g_xdata_addr); - if ( g_showtime ) { - for ( i = 0; i < ATM_PORT_NUMBER; i++ ) - if ( port_cell.tx_link_rate[i] != 0 ) - break; - for ( j = 0; j < ATM_PORT_NUMBER; j++ ) - g_atm_priv_data.port[j].tx_max_cell_rate = port_cell.tx_link_rate[j] != 0 ? port_cell.tx_link_rate[j] : port_cell.tx_link_rate[i]; - } - - qsb_global_set(); - validate_oam_htu_entry(); - -#if 0 /*defined(ENABLE_LED_FRAMEWORK) && ENABLE_LED_FRAMEWORK*/ - ifx_led_trigger_register("dsl_data", &g_data_led_trigger); -#endif - - /* create proc file */ - proc_file_create(); - - if( !IS_ERR(&ifx_mei_atm_showtime_enter) && &ifx_mei_atm_showtime_enter ) - ifx_mei_atm_showtime_enter = atm_showtime_enter; - - if( !IS_ERR(&ifx_mei_atm_showtime_exit) && !ifx_mei_atm_showtime_exit ) - ifx_mei_atm_showtime_exit = atm_showtime_exit; - - ifx_atm_version(ver_str); - printk(KERN_INFO "%s", ver_str); - - printk("ifxmips_atm: ATM init succeed\n"); - - return IFX_SUCCESS; - -PP32_START_FAIL: - free_irq(PPE_MAILBOX_IGU1_INT, &g_atm_priv_data); -REQUEST_IRQ_PPE_MAILBOX_IGU1_INT_FAIL: -ATM_DEV_REGISTER_FAIL: - while ( port_num-- > 0 ) - atm_dev_deregister(g_atm_priv_data.port[port_num].dev); -INIT_PRIV_DATA_FAIL: - clear_priv_data(); - printk("ifxmips_atm: ATM init failed\n"); - return ret; -} - -/* - * Description: - * Release memory, free IRQ, and deregister device. - * Input: - * none - * Output: - * none - */ -static void __exit ifx_atm_exit(void) -{ - int port_num; - - if( !IS_ERR(&ifx_mei_atm_showtime_enter) && &ifx_mei_atm_showtime_enter ) - ifx_mei_atm_showtime_enter = NULL; - if( !IS_ERR(&ifx_mei_atm_showtime_exit) && !ifx_mei_atm_showtime_exit ) - ifx_mei_atm_showtime_exit = NULL; - - proc_file_delete(); - -#if 0 /*defined(ENABLE_LED_FRAMEWORK) && ENABLE_LED_FRAMEWORK*/ - ifx_led_trigger_deregister(g_data_led_trigger); - g_data_led_trigger = NULL; -#endif - - invalidate_oam_htu_entry(); - - ifx_pp32_stop(0); - -#if defined(ENABLE_ATM_RETX) && ENABLE_ATM_RETX - del_timer(&g_retx_polling_timer); - clear_atm_tc_retrans_param(); -#endif - - free_irq(PPE_MAILBOX_IGU1_INT, &g_atm_priv_data); - - for ( port_num = 0; port_num < ATM_PORT_NUMBER; port_num++ ) - atm_dev_deregister(g_atm_priv_data.port[port_num].dev); - - ifx_atm_uninit_chip(); - - clear_priv_data(); -} - -module_init(ifx_atm_init); -module_exit(ifx_atm_exit); -MODULE_LICENSE("Dual BSD/GPL"); |