rltk_8139_eth_drivers.cdl

来自「eCos操作系统源码」· CDL 代码 · 共 172 行

# ====================================================================
#
#	rltk_8139_eth_drivers.cdl
#
#	RealTek 8139 ethernet driver
#
# ====================================================================
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# ====================================================================
######DESCRIPTIONBEGIN####
#
# Author(s):      Eric Doenges
# Original data:
# Contributors:
# Date:           2003-07-16
#
#####DESCRIPTIONEND####
#
# ====================================================================

cdl_package CYGPKG_DEVS_ETH_RLTK_8139 {
    display       "RealTek 8139 ethernet driver"
    description   "Ethernet driver for RealTek 8139 controller."

    parent        CYGPKG_IO_ETH_DRIVERS
    active_if     CYGPKG_IO_ETH_DRIVERS
    active_if     CYGINT_DEVS_ETH_RLTK_8139_REQUIRED

    implements    CYGINT_IO_ETH_MULTICAST

    include_dir   cyg/devs/eth

    # SNMP demands to know stuff; this sadly makes us break the neat
    # abstraction of the device having nothing exported.
    # include_files include/8139_info.h
    # and tell them that it is available
    define_proc {
	    puts $::cdl_system_header \
      "#define CYGBLD_DEVS_ETH_DEVICE_H <pkgconf/devs_eth_rltk_8139.h>"

      puts $::cdl_header "#include CYGDAT_DEVS_ETH_RLTK_8139_CFG";
    }

    compile       -library=libextras.a if_8139.c

    cdl_component CYGPKG_DEVS_ETH_RLTK_8139_SHARE_INTERRUPTS {
      display "Share interrupt with other devices"
      default_value 1
      description "
        If this option is enabled, the driver does not assume that it is
        in sole possession of the interrupt pin used by the 8139."

      cdl_option CYGPKG_DEVS_ETH_RLTK_8139_MASK_INTERRUPTS_IN_8139 {
        display "Mask 8139 interrupts on chip"
        default_value 1
        description "
          If this option is enabled, the driver masks interrupts in the 8139's
          status register, and does not mask the interrupt vector. This is
          only useful if the 8139 must share it's interrupt line with other
          devices."
      }
    }

    cdl_option CYGDBG_DEVS_ETH_RLTK_8139_CHATTER {
      display "Print debugging messages"
      default_value 0
      description   "
        If this option is set, a lot of debugging messages are printed
        to the console to help debug the driver."
    }

#    cdl_component CYGDBG_DEVS_ETH_RLTK_8139_KEEP_STATISTICS {
#	display "Keep Ethernet statistics"
#	default_value 1
#	description   "
#	    The ethernet device can maintain statistics about the network,
#	    specifically a great variety of error rates which are useful
#	    for network management.  SNMP for example uses this
#	    information.  There is some performance cost in maintaining
#	    this information; disable this option to recoup that."

#	cdl_option CYGDBG_DEVS_ETH_RLTK_8139_KEEP_8139_STATISTICS {
#	    display "Keep RealTek 8139 internal statistics"
#	    default_value 1
#	    description   "
#	        The i82559 keeps internal counters, and it is possible to
#	        acquire these.  But the i82559 (reputedly) does not service
#	        the network whilst uploading the data to RAM from its
#	        internal registers.  If throughput is a problem, disable
#	        this option to acquire only those statistics gathered by
#	        software, so that the i82559 never sleeps."
#	}
#    }

#    cdl_component CYGPKG_DEVS_ETH_RLTK_8139_WRITE_EEPROM {
#	display "SIOCSIFHWADDR records MAC address in EEPROM"
#	default_value 0
#	description   "
#	    The ioctl() socket call with operand SIOCSIFHWADDR sets the
#	    interface hardware address - the MAC address or ethernet
#	    address.  This option causes the new MAC address to be written
#	    into the EEPROM associated with the interface, so that the new
#	    MAC address is permanently recorded.  Doing this should be a
#	    carefully chosen decision, hence this option."
#    }

    cdl_option CYGNUM_DEVS_ETH_RLTK_8139_RX_BUF_LEN_IDX {
        display       "Size of the receive ring"
        flavor  data
				legal_values  0 to 2
        default_value { CYGPKG_REDBOOT ? 0 : 2 }
        define        RX_BUF_LEN_IDX
        description   "
                The 8139 stores all received packets in a single 'rx ring'
                located somewhere in physical memory. The size of this ring
                can be varied from ~8k to ~64k; however the driver currently
                supports a maximum buffer size of only ~32k (so we can use
                the 8139's WRAP mode). The actual buffer size is
                8192<<x + 16 + 1536 bytes, with x being the value of this
                option."
    }

    cdl_component CYGPKG_DEVS_ETH_RLTK_8139_OPTIONS {
        display "RealTek 8139 ethernet driver build options"
        flavor  none
	      no_define

        cdl_option CYGPKG_DEVS_ETH_RLTK_8139_CFLAGS_ADD {
            display "Additional compiler flags"
            flavor  data
            no_define
            default_value { "-D_KERNEL -D__ECOS" }
            description   "
                This option modifies the set of compiler flags for
                building the RealTek 8139 ethernet driver package. These
                flags are used in addition to the set of global flags."
        }
    }
}
# EOF rltk_8139_eth_drivers.cdl