/[dynamips]/trunk/dev_dec21140.c
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
ViewVC logotype

Diff of /trunk/dev_dec21140.c

Parent Directory Parent Directory | Revision Log Revision Log | View Patch Patch

upstream/dynamips-0.2.6-RC2/dev_dec21140.c revision 3 by dpavlin, Sat Oct 6 16:05:34 2007 UTC upstream/dynamips-0.2.7-RC1/dev_dec21140.c revision 7 by dpavlin, Sat Oct 6 16:23:47 2007 UTC
# Line 1  Line 1 
1  /*    /*  
2   * Cisco C7200 (Predator) DEC21140 Module.   * Cisco router simlation platform.
3   * Copyright (C) 2005,2006 Christophe Fillot.  All rights reserved.   * Copyright (C) 2005,2006 Christophe Fillot.  All rights reserved.
4   *   *
5   * DEC21140 FastEthernet chip emulation.   * DEC21140 FastEthernet chip emulation.
# Line 31  Line 31 
31    
32  #include "crc.h"  #include "crc.h"
33  #include "utils.h"  #include "utils.h"
34  #include "mips64.h"  #include "cpu.h"
35    #include "vm.h"
36  #include "dynamips.h"  #include "dynamips.h"
37  #include "memory.h"  #include "memory.h"
38  #include "device.h"  #include "device.h"
# Line 206  static inline int dec21140_handle_mac_ad Line 207  static inline int dec21140_handle_mac_ad
207     n_eth_hdr_t *hdr = (n_eth_hdr_t *)pkt;     n_eth_hdr_t *hdr = (n_eth_hdr_t *)pkt;
208     int i;     int i;
209    
    /* Ignore traffic sent by us */  
    for(i=0;i<d->mac_addr_count;i++)  
       if (!memcmp(&d->mac_addr[i],&hdr->saddr,N_ETH_ALEN))  
          return(FALSE);  
   
210     /* Accept systematically frames if we are running is promiscuous mode */     /* Accept systematically frames if we are running is promiscuous mode */
211     if (d->csr[6] & DEC21140_CSR6_PROMISC)     if (d->csr[6] & DEC21140_CSR6_PROMISC)
212        return(TRUE);        return(TRUE);
# Line 400  static void mii_newbit(struct dec21140_d Line 396  static void mii_newbit(struct dec21140_d
396  /*  /*
397   * dev_dec21140_access()   * dev_dec21140_access()
398   */   */
399  void *dev_dec21140_access(cpu_mips_t *cpu,struct vdevice *dev,  void *dev_dec21140_access(cpu_gen_t *cpu,struct vdevice *dev,
400                            m_uint32_t offset,u_int op_size,u_int op_type,                            m_uint32_t offset,u_int op_size,u_int op_type,
401                            m_uint64_t *data)                            m_uint64_t *data)
402  {  {
# Line 434  void *dev_dec21140_access(cpu_mips_t *cp Line 430  void *dev_dec21140_access(cpu_mips_t *cp
430              break;              break;
431    
432           case 8:           case 8:
433              /* CSR8 is cleared when read */              /* CSR8 is cleared when read (missed frame counter) */
434              d->csr[reg] = 0;              d->csr[reg] = 0;
435                *data = 0;
436              break;              break;
437                            
438           default:           default:
# Line 510  static m_uint32_t rxdesc_get_next(struct Line 507  static m_uint32_t rxdesc_get_next(struct
507     return(nrxd_addr);     return(nrxd_addr);
508  }  }
509    
510  /* Read an RX descriptor */  /* Read a RX descriptor */
511  static void rxdesc_read(struct dec21140_data *d,m_uint32_t rxd_addr,  static void rxdesc_read(struct dec21140_data *d,m_uint32_t rxd_addr,
512                          struct rx_desc *rxd)                          struct rx_desc *rxd)
513  {  {
# Line 729  static int dev_dec21140_handle_txring_si Line 726  static int dev_dec21140_handle_txring_si
726     /* Copy the current txring descriptor */     /* Copy the current txring descriptor */
727     tx_start = d->tx_current;       tx_start = d->tx_current;  
728     ptxd = &txd0;     ptxd = &txd0;
729     txdesc_read(d,d->tx_current,ptxd);     txdesc_read(d,tx_start,ptxd);
730    
731     /* If we don't own the first descriptor, we cannot transmit */     /* If we don't own the first descriptor, we cannot transmit */
732     if (!(txd0.tdes[0] & DEC21140_TXDESC_OWN))     if (!(txd0.tdes[0] & DEC21140_TXDESC_OWN))
# Line 854  static int dev_dec21140_handle_txring(st Line 851  static int dev_dec21140_handle_txring(st
851   *   *
852   * Read a PCI register.   * Read a PCI register.
853   */   */
854  static m_uint32_t pci_dec21140_read(cpu_mips_t *cpu,struct pci_device *dev,  static m_uint32_t pci_dec21140_read(cpu_gen_t *cpu,struct pci_device *dev,
855                                      int reg)                                      int reg)
856  {    {  
857     struct dec21140_data *d = dev->priv_data;     struct dec21140_data *d = dev->priv_data;
# Line 880  static m_uint32_t pci_dec21140_read(cpu_ Line 877  static m_uint32_t pci_dec21140_read(cpu_
877   *   *
878   * Write a PCI register.   * Write a PCI register.
879   */   */
880  static void pci_dec21140_write(cpu_mips_t *cpu,struct pci_device *dev,  static void pci_dec21140_write(cpu_gen_t *cpu,struct pci_device *dev,
881                                 int reg,m_uint32_t value)                                 int reg,m_uint32_t value)
882  {  {
883     struct dec21140_data *d = dev->priv_data;     struct dec21140_data *d = dev->priv_data;
Legend:
Removed from v.3  
changed lines
  Added in v.7
  ViewVC Help
Powered by ViewVC 1.1.26