?? lan9118.c
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/* lan9118.c - lan9118 Enhanced Network Driver (END) *//* includes */#include "vxWorks.h"#include "stdlib.h"#include "cacheLib.h"#include "intLib.h"#include "end.h" /* Common END structures. */#include "endLib.h"#include "lstLib.h" /* Needed to maintain protocol list. */#include "iv.h"#include "semLib.h"#include "logLib.h"#include "netLib.h"#include "stdio.h"#include "sysLib.h"#include "errno.h"#include "errnoLib.h"#include "memLib.h"#include "iosLib.h"#undef ETHER_MAP_IP_MULTICAST#include "etherMultiLib.h" /* multicast stuff. */#include "net/mbuf.h"#include "net/unixLib.h"#include "net/protosw.h"#include "net/systm.h"#include "net/if_subr.h"#include "net/route.h"#include "netinet/if_ether.h"#include "sys/socket.h"#include "sys/ioctl.h"#include "sys/times.h"#include "string.h"/* addition. */#include "lan9118.h"#include "rngLib.h"/* Maximum number of lan9118 chips */#define MAXUNITS 1IMPORT int endMultiLstCnt (END_OBJ* pEnd);/* defines */#define DRV_NAME "lan"#define DRV_NAME_LEN (sizeof(DRV_NAME) + 1)#define DRV_DESC "SMSC LAN9118 END driver"#define DRV_DESC_LEN (sizeof(DRV_DESC) + 1)/* Configuration items */#ifndef ETHERMTU#define ETHERMTU (1500)#endif#define END_BUFSIZ (ETHERMTU + SIZEOF_ETHERHEADER + 6)#define EH_SIZE (14)#define END_SPEED_10M (10000000) /* 10Mbs */#define END_SPEED_100M (100000000) /* 100Mbs */#define END_SPEED END_SPEED_10M/* A shortcut for getting the hardware address from the MIB II stuff. */#define END_HADDR(pEnd) ((pEnd)->mib2Tbl.ifPhysAddress.phyAddress)#define END_HADDR_LEN(pEnd) ((pEnd)->mib2Tbl.ifPhysAddress.addrLength)/* typedefs *//* The definition of the driver control structure */typedef struct end_device{ END_OBJ end; /* The class we inherit from. */ int unit; /* unit number */ int ivec; /* interrupt vector */ int ilevel; /* interrupt level */ USHORT enetAddr[3]; /* ethernet address */ BOOL resetting; int do_rx; SEM_ID semid_rx;}END_DEVICE;/* -------------------------------- no. mBlks no. clBlks memArea memSize *//* network mbuf configuration table --------- ---------- ------- ------- */M_CL_CONFIG lan9118MclBlkConfig = {0, 0, NULL, 0};/* ---------------------------------------- clusterSize num memArea memSize *//* network cluster pool configuration table ----------- --- ------- --------- */CL_DESC lan9118ClDescTbl [] = {{ 0, 0, NULL, 0 }};int lan9118ClDescTblNumEnt = (NELEMENTS(lan9118ClDescTbl));#define lan9118_MIN_FBUF (1536) /* min first buffer size *//* LOCALS */int dt = 0;int dr = 0;int drc = 0;int drcc = 0;int display_rx_frame = 0;END_DEVICE * p_end_device = (END_DEVICE *)NULL;SEM_ID semid_lan9118_tx_mux;RING_ID ringid_rx;/* forward static functions *//* END Specific interfaces. *//* This is the only externally visible interface. */END_OBJ * lan9118Load(char* initString, void* p_v);STATUS lan9118Start(END_DEVICE* pDrvCtrl);STATUS lan9118Stop(END_DEVICE* pDrvCtrl);STATUS lan9118Unload(END_DEVICE* pDrvCtrl);int lan9118Ioctl(END_DEVICE* pDrvCtrl, int cmd, caddr_t data);STATUS lan9118Send(END_DEVICE* pDrvCtrl, M_BLK_ID pBuf);STATUS lan9118MCastAdd(END_DEVICE* pDrvCtrl, char* pAddress);STATUS lan9118MCastDel(END_DEVICE* pDrvCtrl, char* pAddress);STATUS lan9118MCastGet(END_DEVICE* pDrvCtrl, MULTI_TABLE* pTable);STATUS lan9118PollStart(END_DEVICE* pDrvCtrl);STATUS lan9118PollStop(END_DEVICE* pDrvCtrl);STATUS lan9118PollSend(END_DEVICE* pDrvCtrl, M_BLK_ID pBuf);STATUS lan9118PollRcv(END_DEVICE* pDrvCtrl, M_BLK_ID pBuf);void lan9118Reset(END_DEVICE *pDrvCtrl);void lan9118Recv(END_DEVICE * pDrvCtrl, char * pNewCluster, int len);void lan9118RecvInt(END_DEVICE * pDrvCtrl, int count);void lan9118Config(END_DEVICE *pDrvCtrl);STATUS lan9118MemInit();void lan9118Int(END_DEVICE* pDrvCtrl);int lan9118_reg_init(void);U32 lan9118_reg_read(U32 offset);void lan9118_reg_write(U32 offset, U32 src);int lan9118_pin_enable(void);int lan9118_pin_disable(void);STATUS mask32_change_bsp(int* dist32, int num, int len, int src);/* * Declare our function table. This is static across all device * instances. */NET_FUNCS lan9118FuncTable ={ (FUNCPTR) lan9118Start, /* Function to start the device. */ (FUNCPTR) lan9118Stop, /* Function to stop the device. */ (FUNCPTR) lan9118Unload, /* Unloading function for the driver. */ (FUNCPTR) lan9118Ioctl, /* Ioctl function for the driver. */ (FUNCPTR) lan9118Send, /* Send function for the driver. */ (FUNCPTR) lan9118MCastAdd, /* Multicast add function for the driver. */ (FUNCPTR) lan9118MCastDel, /* Multicast delete function for the driver. */ (FUNCPTR) lan9118MCastGet, /* Multicast retrieve function for the driver. */ (FUNCPTR) lan9118PollSend, /* Polling send function */ (FUNCPTR) lan9118PollRcv, /* Polling receive function */ endEtherAddressForm, /* put address info into a NET_BUFFER */ endEtherPacketDataGet, /* get pointer to data in NET_BUFFER */ endEtherPacketAddrGet /* Get packet addresses. */};/******************************************************************************/typedef struct tag_struct_end_rx_frame{ unsigned char * p_data; int length; /* data length */}struct_end_rx_frame;int end_rx_frame_put(int length) /* length...bytes */{ unsigned int * p_u32; struct_end_rx_frame current_rx_frame; char * p_buf = (char *)(¤t_rx_frame); int i, temp_int, temp_int2; if(length > END_BUFSIZ) { return -1; } else { p_u32 = (unsigned int *)netClusterGet (p_end_device->end.pNetPool, p_end_device->end.pNetPool->clTbl[0]); if(p_u32 == NULL) { return -1; } current_rx_frame.length = length; current_rx_frame.p_data = (char *)p_u32; temp_int2 = sizeof(struct_end_rx_frame); temp_int = 0; do { temp_int += rngBufPut(ringid_rx, &(p_buf[temp_int]), temp_int2-temp_int); } while(temp_int < temp_int2); /* receive data from lan9118 rx fifo. */ for (i = 0; i < ((length + 3) / 4); i++) { p_u32[i] = lan9118_reg_read(LAN9118_REG_OFFSET_RX_DATA); } } return 0;}unsigned char * end_rx_frame_get(int * p_length){ struct_end_rx_frame current_frame; char * p_buf = (char *)(¤t_frame); unsigned char * p_rst; int temp_int, temp_int2; temp_int2 = sizeof(struct_end_rx_frame); temp_int = 0; /* get current rx frame from the chain. */ do { temp_int = rngBufGet(ringid_rx, &(p_buf[temp_int]), temp_int2-temp_int); }while(temp_int < temp_int2); p_rst = current_frame.p_data; *p_length = current_frame.length; return p_rst;}/******************************************************************************/int lan9118_local_delay(int num){ int result = 0; result = taskDelay(num); return result;}int lan9118_local_get_rate(){ int result = 0; result = sysClkRateGet(); return result;}/* * lan9118_mac_busy - test lan9118 mac busy * * This routine test the mac of lan9118 busy, isn't it. * Return: 0, free; * 1, busy. */int lan9118_mac_busy(int timeout){ while (timeout--) { if (!(lan9118_reg_read(LAN9118_REG_OFFSET_MAC_CSR_CMD) & 0x80000000)) { return 0; /* free. */ } } return 1; /* busy */}/* * lan9118_mac_reg_read - read data from mac register of lan9118 * * This routine read data from mac register of lan9118. * Return: unsigned 32bits, the data of mac register. */U32 lan9118_mac_reg_read(U32 mac_suboffset){ U32 result = 0xffffffff; /* Test previous command complete. */ if (lan9118_mac_busy(1)) { printf("lan9118_mac_reg_read: previous command not complete!!!\n"); return result; } /* Write "read" to mac command register. */ lan9118_reg_write( LAN9118_REG_OFFSET_MAC_CSR_CMD, ((mac_suboffset&0x000000ff)|0xc0000000)); /* Test timeout of waiting response from MAC. */ if (lan9118_mac_busy(LAN9118_MAC_TIMEOUT)) { printf("lan9118_mac_reg_read: timeout waiting for response from MAC!!!\n"); return result; } result = lan9118_reg_read(LAN9118_REG_OFFSET_MAC_CSR_DATA); return result;}/* * lan9118_physical_busy - test lan9118 physical busy * * This routine test the physical of lan9118 busy, isn't it. * Return: 0, free; * 1, busy. */int lan9118_physical_busy(int timeout){ while (timeout--) { if (!(lan9118_mac_reg_read(LAN9118_REG_SUBOFFSET_MII_ACC)&1)) { return 0; /* free; */ } } return 1; /* busy; */}/* * lan9118_mac_reg_write - write data to mac register. * * This routine write data to mac register. * Return: 0, fail; * 1, success. */int lan9118_mac_reg_write(U32 mac_suboffset, U32 src){ /* Test previous command complete. */ if (lan9118_mac_busy(1)) { printf("lan9118_mac_reg_write: previous command not complete!!!\n"); return 0; } /* put the source data into the mac data register. */ lan9118_reg_write(LAN9118_REG_OFFSET_MAC_CSR_DATA, src); /* perform the write operation. */ lan9118_reg_write( LAN9118_REG_OFFSET_MAC_CSR_CMD, (mac_suboffset&0x000000ff)|0x80000000 ); /* Test timeout of waiting response from MAC. */ if (lan9118_mac_busy(LAN9118_MAC_TIMEOUT)) { printf("lan9118_mac_reg_write: timeout waiting for response from MAC!!!\n"); return 0; } return 1;}/* * lan9118_phy_reg_read - read data from physical register of lan9118 * * This routine read data from physical register of lan9118. * Return: unsigned 16bits, the data of physical register. */U16 lan9118_phy_reg_read(U32 phy_suboffset){ U16 result = 0xffff; /* Test MII busy. */ if (lan9118_mac_reg_read(LAN9118_REG_SUBOFFSET_MII_ACC)&1) { printf("lan9118_phy_reg_read: MII busy!!!\n"); return result; } /* Write "read" to mii command register. */ lan9118_mac_reg_write( LAN9118_REG_SUBOFFSET_MII_ACC, ((phy_suboffset&0x1f)<<6)|(1<<11) ); /* Test timeout of waiting response from MII. */ if (lan9118_physical_busy(LAN9118_PHY_TIMEOUT)) { printf("lan9118_phy_reg_read: timeout waiting for MII command!!!\n"); return result; } result = (U16)(lan9118_mac_reg_read(LAN9118_REG_SUBOFFSET_MII_DATA)); return result;}/* * lan9118_phy_reg_write - write data to physical register of lan9118 * * This routine write data to physical register of lan9118. * Return: 0, failed; * 1, success. */int lan9118_phy_reg_write(U32 phy_suboffset, U16 src){ /* Test MII busy. */ if (lan9118_mac_reg_read(LAN9118_REG_SUBOFFSET_MII_ACC)&1) { printf("lan9118_phy_reg_read: MII busy!!!\n"); return 0; } /* Write data to mii data register. */ lan9118_mac_reg_write( LAN9118_REG_SUBOFFSET_MII_DATA, (U32)src ); /* Write "write" to mii command register. */ lan9118_mac_reg_write( LAN9118_REG_SUBOFFSET_MII_ACC, ((phy_suboffset&0x1f)<<6)|(1<<11)|2 ); /* Test timeout of waiting response from MII. */ if (lan9118_physical_busy(LAN9118_PHY_TIMEOUT)) { printf("lan9118_phy_reg_read: timeout waiting for MII command!!!\n"); return 0; } return 1;}int lan9118_soft_reset(){ U32 temp_u32; /* check chip id. */ temp_u32 = lan9118_reg_read(LAN9118_REG_OFFSET_ID_REV); if ((temp_u32 & LAN9118_REG_ID_REV_ID_MASK) != LAN9118_REG_ID_REV_VALUE) { printf("Failed to read the ID of the lan9118 when reset it!!!!\n"); return -1; } lan9118_reg_write(LAN9118_REG_OFFSET_HW_CFG, 1); lan9118_local_delay(lan9118_local_get_rate()/20); return 0;}/* * lan9118_open - open the lan9118. */int lan9118_open(END_DEVICE * pDrvCtrl){ U32 temp_u32; int temp_int; U16 temp_u16; int click; click = lan9118_local_get_rate();
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