Multicast problems on 2.4.0?

From: Daniel Chemko (dchemko@intrinsyc.com)
Date: Thu Dec 07 2000 - 08:34:44 EST

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Hello,
I am doing development work on the 2.4.0 kernel, and can not seem to get
multicasting to work.

I have included two test files which I attempted to run, one as a
sender, and another as the receiver. The
code worked as expected on a stock redhat 6.2 - linux 2.2.14-5.0 kernel.
I have found from tcpdump that the
IGMP packets that are supposed to be sent when (un)subscribing to a
group are not being sent. I am using an
ARM build for the application, but I don't believe that the problem
resides in ARM specific code, since I also
tested this feature on a 2.4.0test11 - i386 as well.

Also included is the ethernet driver modified by us for the 2.4 kernel.
I have not seen anything that would
affect this problem, but it is included just in case.

Any help would be much appreciated.

BTW: I may be doing something really stupid, please be gentle ;-)

Kernel Build Information:
Linux 2.4.0 test 6 w/patches(ARMlinux - rmk1 -np2)

Thanks,
Daniel Chemko

#
# Automatically generated make config: don't edit
#
CONFIG_ARM=y
# CONFIG_SBUS is not set
CONFIG_UID16=y

#
# Code maturity level options
#
CONFIG_EXPERIMENTAL=y
# CONFIG_OBSOLETE is not set

#
# Loadable module support
#
CONFIG_MODULES=y
# CONFIG_MODVERSIONS is not set
# CONFIG_KMOD is not set

#
# System Type
#
# CONFIG_ARCH_ARCA5K is not set
# CONFIG_ARCH_CLPS7500 is not set
# CONFIG_ARCH_CO285 is not set
# CONFIG_ARCH_EBSA110 is not set
# CONFIG_ARCH_FOOTBRIDGE is not set
# CONFIG_ARCH_RPC is not set
CONFIG_ARCH_SA1100=y

#
# SA11x0 Implementations
#
# CONFIG_SA1100_ASSABET is not set
# CONFIG_SA1100_BRUTUS is not set
CONFIG_SA1100_CERF=y
CONFIG_SA1100_CERF_32MB=y
# CONFIG_SA1100_BITSY is not set
# CONFIG_SA1100_LART is not set
# CONFIG_SA1100_THINCLIENT is not set
# CONFIG_SA1100_GRAPHICSCLIENT is not set
# CONFIG_SA1100_NANOENGINE is not set
# CONFIG_SA1100_VICTOR is not set
# CONFIG_SA1100_XP860 is not set
# CONFIG_ANGELBOOT is not set
# CONFIG_SA1100_FREQUENCY_SCALE is not set
# CONFIG_SA1100_VOLTAGE_SCALE is not set
# CONFIG_ARCH_ACORN is not set
# CONFIG_FOOTBRIDGE is not set
# CONFIG_FOOTBRIDGE_HOST is not set
# CONFIG_FOOTBRIDGE_ADDIN is not set
CONFIG_CPU_32=y
# CONFIG_CPU_26 is not set
CONFIG_CPU_32v4=y
CONFIG_CPU_SA1100=y
CONFIG_DISCONTIGMEM=y
# CONFIG_PCI is not set
# CONFIG_ISA is not set
# CONFIG_ISA_DMA is not set
CONFIG_PC_KEYMAP=y

#
# General setup
#
# CONFIG_SA1100_CERF_CMDLINE is not set
CONFIG_HOTPLUG=y

#
# PCMCIA/CardBus support
#
CONFIG_PCMCIA=y
# CONFIG_PCMCIA_DEBUG is not set
CONFIG_SA1100_PCMCIA=y
CONFIG_VIRTUAL_BUS=y
CONFIG_NET=y
CONFIG_SYSVIPC=y
CONFIG_BSD_PROCESS_ACCT=y
CONFIG_SYSCTL=y
CONFIG_NWFPE=y
CONFIG_KCORE_ELF=y
# CONFIG_KCORE_AOUT is not set
# CONFIG_BINFMT_AOUT is not set
CONFIG_BINFMT_ELF=y
# CONFIG_BINFMT_MISC is not set
# CONFIG_PM is not set
# CONFIG_ARTHUR is not set
CONFIG_CMDLINE="console=ttyS0,38400"
CONFIG_LEDS=y
CONFIG_LEDS_TIMER=y
CONFIG_LEDS_CPU=y
CONFIG_ALIGNMENT_TRAP=y

#
# Parallel port support
#
# CONFIG_PARPORT is not set

#
# Memory Technology Devices (MTD)
#
# CONFIG_MTD is not set

#
# Plug and Play configuration
#
# CONFIG_PNP is not set

#
# Block devices
#
# CONFIG_BLK_DEV_FD is not set
# CONFIG_BLK_DEV_LOOP is not set
# CONFIG_BLK_DEV_NBD is not set
# CONFIG_BLK_DEV_LVM is not set
# CONFIG_BLK_DEV_MD is not set
CONFIG_BLK_DEV_RAM=y
CONFIG_BLK_DEV_RAM_SIZE=4096
CONFIG_BLK_DEV_INITRD=y
CONFIG_BLK_DEV_FLASH=y

#
# Networking options
#
CONFIG_PACKET=y
# CONFIG_PACKET_MMAP is not set
# CONFIG_NETLINK is not set
# CONFIG_NETFILTER is not set
# CONFIG_FILTER is not set
CONFIG_UNIX=y
CONFIG_INET=y
CONFIG_IP_MULTICAST=y
# CONFIG_IP_ADVANCED_ROUTER is not set
CONFIG_IP_PNP=y
CONFIG_IP_PNP_BOOTP=y
# CONFIG_IP_PNP_RARP is not set
# CONFIG_IP_ROUTER is not set
# CONFIG_NET_IPIP is not set
# CONFIG_NET_IPGRE is not set
# CONFIG_IP_MROUTE is not set
# CONFIG_IP_ALIAS is not set
# CONFIG_INET_ECN is not set
# CONFIG_SYN_COOKIES is not set
# CONFIG_IPV6 is not set
# CONFIG_KHTTPD is not set
# CONFIG_ATM is not set

#
#
#
# CONFIG_IPX is not set
# CONFIG_ATALK is not set
# CONFIG_DECNET is not set
# CONFIG_BRIDGE is not set
# CONFIG_X25 is not set
# CONFIG_LAPB is not set
# CONFIG_LLC is not set
# CONFIG_ECONET is not set
# CONFIG_WAN_ROUTER is not set
# CONFIG_NET_FASTROUTE is not set
# CONFIG_NET_HW_FLOWCONTROL is not set

#
# QoS and/or fair queueing
#
# CONFIG_NET_SCHED is not set

#
# Network device support
#
CONFIG_NETDEVICES=y

#
# ARCnet devices
#
# CONFIG_ARCNET is not set
# CONFIG_DUMMY is not set
# CONFIG_BONDING is not set
# CONFIG_EQUALIZER is not set
# CONFIG_NET_SB1000 is not set

#
# Ethernet (10 or 100Mbit)
#
CONFIG_NET_ETHERNET=y
CONFIG_CERF_CS8900A=y
# CONFIG_ARM_AM79C961A is not set
# CONFIG_NET_VENDOR_3COM is not set
# CONFIG_LANCE is not set
# CONFIG_NET_VENDOR_SMC is not set
# CONFIG_NET_VENDOR_RACAL is not set
# CONFIG_AT1700 is not set
# CONFIG_DEPCA is not set
# CONFIG_NET_ISA is not set
# CONFIG_NET_PCI is not set
# CONFIG_NET_POCKET is not set

#
# Ethernet (1000 Mbit)
#
# CONFIG_YELLOWFIN is not set
# CONFIG_ACENIC is not set
# CONFIG_SK98LIN is not set
# CONFIG_FDDI is not set
# CONFIG_HIPPI is not set
# CONFIG_PPP is not set
# CONFIG_SLIP is not set

#
# Wireless LAN (non-hamradio)
#
# CONFIG_NET_RADIO is not set

#
# Token Ring devices
#
# CONFIG_TR is not set
# CONFIG_NET_FC is not set
# CONFIG_RCPCI is not set
# CONFIG_SHAPER is not set

#
# Wan interfaces
#
# CONFIG_WAN is not set

#
# PCMCIA network device support
#
# CONFIG_NET_PCMCIA is not set

#
# Amateur Radio support
#
# CONFIG_HAMRADIO is not set

#
# IrDA (infrared) support
#
# CONFIG_IRDA is not set

#
# ATA/IDE/MFM/RLL support
#
CONFIG_IDE=y

#
# IDE, ATA and ATAPI Block devices
#
CONFIG_BLK_DEV_IDE=y

#
# Please see Documentation/ide.txt for help/info on IDE drives
#
# CONFIG_BLK_DEV_HD_IDE is not set
# CONFIG_BLK_DEV_HD is not set
CONFIG_BLK_DEV_IDEDISK=y
# CONFIG_IDEDISK_MULTI_MODE is not set
# CONFIG_BLK_DEV_IDEDISK_VENDOR is not set
# CONFIG_BLK_DEV_COMMERIAL is not set
CONFIG_BLK_DEV_IDECS=y
# CONFIG_BLK_DEV_IDECD is not set
# CONFIG_BLK_DEV_IDETAPE is not set
# CONFIG_BLK_DEV_IDEFLOPPY is not set

#
# IDE chipset support/bugfixes
#
# CONFIG_BLK_DEV_CMD640 is not set
# CONFIG_IDE_CHIPSETS is not set
# CONFIG_IDEDMA_AUTO is not set
# CONFIG_DMA_NONPCI is not set
# CONFIG_BLK_DEV_IDE_MODES is not set

#
# SCSI support
#
# CONFIG_SCSI is not set

#
# I2O device support
#
# CONFIG_I2O is not set

#
# ISDN subsystem
#
# CONFIG_ISDN is not set

#
# Character devices
#
CONFIG_VT=y
# CONFIG_VT_CONSOLE is not set
CONFIG_SERIAL_SA1100=y
CONFIG_SERIAL_SA1100_CONSOLE=y
CONFIG_TOUCHSCREEN_UCB1200=y
# CONFIG_TOUCHSCREEN_BITSY is not set
# CONFIG_SERIAL is not set
# CONFIG_SERIAL_EXTENDED is not set
# CONFIG_SERIAL_NONSTANDARD is not set
CONFIG_UNIX98_PTYS=y
CONFIG_UNIX98_PTY_COUNT=32

#
# I2C support
#
# CONFIG_I2C is not set

#
# Mice
#
# CONFIG_BUSMOUSE is not set
# CONFIG_MOUSE is not set

#
# Joysticks
#
# CONFIG_JOYSTICK is not set
# CONFIG_QIC02_TAPE is not set

#
# Watchdog Cards
#
# CONFIG_WATCHDOG is not set
# CONFIG_NVRAM is not set
# CONFIG_RTC is not set

#
# Video For Linux
#
# CONFIG_VIDEO_DEV is not set
# CONFIG_DTLK is not set
# CONFIG_R3964 is not set
# CONFIG_APPLICOM is not set

#
# Ftape, the floppy tape device driver
#
# CONFIG_FTAPE is not set
# CONFIG_AGP is not set
# CONFIG_DRM is not set
# CONFIG_PCMCIA_SERIAL is not set

#
# File systems
#
# CONFIG_QUOTA is not set
# CONFIG_AUTOFS_FS is not set
# CONFIG_AUTOFS4_FS is not set
# CONFIG_ADFS_FS is not set
# CONFIG_AFFS_FS is not set
# CONFIG_HFS_FS is not set
# CONFIG_BFS_FS is not set
# CONFIG_FAT_FS is not set
# CONFIG_EFS_FS is not set
CONFIG_JFFS_FS_VERBOSE=0
# CONFIG_CRAMFS is not set
# CONFIG_RAMFS is not set
# CONFIG_ISO9660_FS is not set
# CONFIG_MINIX_FS is not set
# CONFIG_NTFS_FS is not set
# CONFIG_HPFS_FS is not set
CONFIG_PROC_FS=y
# CONFIG_DEVFS_FS is not set
CONFIG_DEVPTS_FS=y
# CONFIG_QNX4FS_FS is not set
# CONFIG_ROMFS_FS is not set
CONFIG_EXT2_FS=y
# CONFIG_SYSV_FS is not set
# CONFIG_UDF_FS is not set
# CONFIG_UFS_FS is not set

#
# Network File Systems
#
# CONFIG_CODA_FS is not set
CONFIG_NFS_FS=y
# CONFIG_NFS_V3 is not set
# CONFIG_ROOT_NFS is not set
# CONFIG_NFSD is not set
CONFIG_SUNRPC=y
CONFIG_LOCKD=y
# CONFIG_SMB_FS is not set
# CONFIG_NCP_FS is not set

#
# Partition Types
#
# CONFIG_PARTITION_ADVANCED is not set
CONFIG_MSDOS_PARTITION=y
# CONFIG_NLS is not set

#
# Console drivers
#
# CONFIG_VGA_CONSOLE is not set
CONFIG_FB=y
CONFIG_CERF_LCD_38_A=y
# CONFIG_CERF_LCD_57_A is not set
# CONFIG_CERF_LCD_72_A is not set

#
# Frame-buffer support
#
CONFIG_FB=y
CONFIG_DUMMY_CONSOLE=y
CONFIG_FB_SA1100=y
# CONFIG_FB_VIRTUAL is not set
# CONFIG_FBCON_ADVANCED is not set
CONFIG_FBCON_CFB2=y
CONFIG_FBCON_CFB4=y
CONFIG_FBCON_CFB8=y
CONFIG_FBCON_CFB16=y
# CONFIG_FBCON_FONTWIDTH8_ONLY is not set
# CONFIG_FBCON_FONTS is not set
CONFIG_FONT_8x8=y
CONFIG_FONT_8x16=y

#
# Sound
#
# CONFIG_SOUND is not set

#
# USB support
#
# CONFIG_USB is not set

#
# Kernel hacking
#
CONFIG_FRAME_POINTER=y
CONFIG_DEBUG_ERRORS=y
CONFIG_DEBUG_USER=y
# CONFIG_DEBUG_INFO is not set
# CONFIG_MAGIC_SYSRQ is not set
# CONFIG_DEBUG_LL is not setHello,
I am doing development work on the 2.4.0 kernel, and can not seem to get
multicasting to work.

Also included is the ethernet driver modified by us for the 2.4 kernel.
I have not seen anything that would
affect this problem, but it is included just in case.

Any help would be much appreciated.

BTW: I may be doing something really stupid, please be gentle ;-)

Kernel Build Information:
Linux 2.4.0 test 6 w/patches(ARMlinux - rmk1 -np2)

Thanks,
Daniel Chemko

#
# Automatically generated make config: don't edit
#
CONFIG_ARM=y
# CONFIG_SBUS is not set
CONFIG_UID16=y

#
# Code maturity level options
#
CONFIG_EXPERIMENTAL=y
# CONFIG_OBSOLETE is not set

#
# Loadable module support
#
CONFIG_MODULES=y
# CONFIG_MODVERSIONS is not set
# CONFIG_KMOD is not set

#
# General setup
#
# CONFIG_SA1100_CERF_CMDLINE is not set
CONFIG_HOTPLUG=y

#
# Parallel port support
#
# CONFIG_PARPORT is not set

#
# Memory Technology Devices (MTD)
#
# CONFIG_MTD is not set

#
# Plug and Play configuration
#
# CONFIG_PNP is not set

#
# QoS and/or fair queueing
#
# CONFIG_NET_SCHED is not set

#
# Network device support
#
CONFIG_NETDEVICES=y

#
# ARCnet devices
#
# CONFIG_ARCNET is not set
# CONFIG_DUMMY is not set
# CONFIG_BONDING is not set
# CONFIG_EQUALIZER is not set
# CONFIG_NET_SB1000 is not set

#
# Wireless LAN (non-hamradio)
#
# CONFIG_NET_RADIO is not set

#
# Token Ring devices
#
# CONFIG_TR is not set
# CONFIG_NET_FC is not set
# CONFIG_RCPCI is not set
# CONFIG_SHAPER is not set

#
# Wan interfaces
#
# CONFIG_WAN is not set

#
# PCMCIA network device support
#
# CONFIG_NET_PCMCIA is not set

#
# Amateur Radio support
#
# CONFIG_HAMRADIO is not set

#
# IrDA (infrared) support
#
# CONFIG_IRDA is not set

#
# ATA/IDE/MFM/RLL support
#
CONFIG_IDE=y

#
# IDE, ATA and ATAPI Block devices
#
CONFIG_BLK_DEV_IDE=y

#
# SCSI support
#
# CONFIG_SCSI is not set

#
# I2O device support
#
# CONFIG_I2O is not set

#
# ISDN subsystem
#
# CONFIG_ISDN is not set

#
# I2C support
#
# CONFIG_I2C is not set

#
# Mice
#
# CONFIG_BUSMOUSE is not set
# CONFIG_MOUSE is not set

#
# Joysticks
#
# CONFIG_JOYSTICK is not set
# CONFIG_QIC02_TAPE is not set

#
# Watchdog Cards
#
# CONFIG_WATCHDOG is not set
# CONFIG_NVRAM is not set
# CONFIG_RTC is not set

#
# Video For Linux
#
# CONFIG_VIDEO_DEV is not set
# CONFIG_DTLK is not set
# CONFIG_R3964 is not set
# CONFIG_APPLICOM is not set

#
# Ftape, the floppy tape device driver
#
# CONFIG_FTAPE is not set
# CONFIG_AGP is not set
# CONFIG_DRM is not set
# CONFIG_PCMCIA_SERIAL is not set

#
# Partition Types
#
# CONFIG_PARTITION_ADVANCED is not set
CONFIG_MSDOS_PARTITION=y
# CONFIG_NLS is not set

#
# Console drivers
#
# CONFIG_VGA_CONSOLE is not set
CONFIG_FB=y
CONFIG_CERF_LCD_38_A=y
# CONFIG_CERF_LCD_57_A is not set
# CONFIG_CERF_LCD_72_A is not set

#
# Sound
#
# CONFIG_SOUND is not set

#
# USB support
#
# CONFIG_USB is not set

Also included is the ethernet driver modified by us for the 2.4 kernel.
I have not seen anything that would
affect this problem, but it is included just in case.

Any help would be much appreciated.

BTW: I may be doing something really stupid, please be gentle ;-)

Kernel Build Information:
Linux 2.4.0 test 6 w/patches(ARMlinux - rmk1 -np2)

Thanks,
Daniel Chemko

#
# Automatically generated make config: don't edit
#
CONFIG_ARM=y
# CONFIG_SBUS is not set
CONFIG_UID16=y

#
# Code maturity level options
#
CONFIG_EXPERIMENTAL=y
# CONFIG_OBSOLETE is not set

#
# Loadable module support
#
CONFIG_MODULES=y
# CONFIG_MODVERSIONS is not set
# CONFIG_KMOD is not set

#
# General setup
#
# CONFIG_SA1100_CERF_CMDLINE is not set
CONFIG_HOTPLUG=y

#
# Parallel port support
#
# CONFIG_PARPORT is not set

#
# Memory Technology Devices (MTD)
#
# CONFIG_MTD is not set

#
# Plug and Play configuration
#
# CONFIG_PNP is not set

#
# QoS and/or fair queueing
#
# CONFIG_NET_SCHED is not set

#
# Network device support
#
CONFIG_NETDEVICES=y

#
# ARCnet devices
#
# CONFIG_ARCNET is not set
# CONFIG_DUMMY is not set
# CONFIG_BONDING is not set
# CONFIG_EQUALIZER is not set
# CONFIG_NET_SB1000 is not set

#
# Wireless LAN (non-hamradio)
#
# CONFIG_NET_RADIO is not set

#
# Token Ring devices
#
# CONFIG_TR is not set
# CONFIG_NET_FC is not set
# CONFIG_RCPCI is not set
# CONFIG_SHAPER is not set

#
# Wan interfaces
#
# CONFIG_WAN is not set

#
# PCMCIA network device support
#
# CONFIG_NET_PCMCIA is not set

#
# Amateur Radio support
#
# CONFIG_HAMRADIO is not set

#
# IrDA (infrared) support
#
# CONFIG_IRDA is not set

#
# ATA/IDE/MFM/RLL support
#
CONFIG_IDE=y

#
# IDE, ATA and ATAPI Block devices
#
CONFIG_BLK_DEV_IDE=y

#
# SCSI support
#
# CONFIG_SCSI is not set

#
# I2O device support
#
# CONFIG_I2O is not set

#
# ISDN subsystem
#
# CONFIG_ISDN is not set

#
# I2C support
#
# CONFIG_I2C is not set

#
# Mice
#
# CONFIG_BUSMOUSE is not set
# CONFIG_MOUSE is not set

#
# Joysticks
#
# CONFIG_JOYSTICK is not set
# CONFIG_QIC02_TAPE is not set

#
# Watchdog Cards
#
# CONFIG_WATCHDOG is not set
# CONFIG_NVRAM is not set
# CONFIG_RTC is not set

#
# Video For Linux
#
# CONFIG_VIDEO_DEV is not set
# CONFIG_DTLK is not set
# CONFIG_R3964 is not set
# CONFIG_APPLICOM is not set

#
# Ftape, the floppy tape device driver
#
# CONFIG_FTAPE is not set
# CONFIG_AGP is not set
# CONFIG_DRM is not set
# CONFIG_PCMCIA_SERIAL is not set

#
# Partition Types
#
# CONFIG_PARTITION_ADVANCED is not set
CONFIG_MSDOS_PARTITION=y
# CONFIG_NLS is not set

#
# Console drivers
#
# CONFIG_VGA_CONSOLE is not set
CONFIG_FB=y
CONFIG_CERF_LCD_38_A=y
# CONFIG_CERF_LCD_57_A is not set
# CONFIG_CERF_LCD_72_A is not set

#
# Sound
#
# CONFIG_SOUND is not set

#
# USB support
#
# CONFIG_USB is not set

Also included is the ethernet driver modified by us for the 2.4 kernel.
I have not seen anything that would
affect this problem, but it is included just in case.

Any help would be much appreciated.

BTW: I may be doing something really stupid, please be gentle ;-)

Kernel Build Information:
Linux 2.4.0 test 6 w/patches(ARMlinux - rmk1 -np2)

Thanks,
Daniel Chemko

#
# Automatically generated make config: don't edit
#
CONFIG_ARM=y
# CONFIG_SBUS is not set
CONFIG_UID16=y

#
# Code maturity level options
#
CONFIG_EXPERIMENTAL=y
# CONFIG_OBSOLETE is not set

#
# Loadable module support
#
CONFIG_MODULES=y
# CONFIG_MODVERSIONS is not set
# CONFIG_KMOD is not set

#
# General setup
#
# CONFIG_SA1100_CERF_CMDLINE is not set
CONFIG_HOTPLUG=y

#
# Parallel port support
#
# CONFIG_PARPORT is not set

#
# Memory Technology Devices (MTD)
#
# CONFIG_MTD is not set

#
# Plug and Play configuration
#
# CONFIG_PNP is not set

#
# QoS and/or fair queueing
#
# CONFIG_NET_SCHED is not set

#
# Network device support
#
CONFIG_NETDEVICES=y

#
# ARCnet devices
#
# CONFIG_ARCNET is not set
# CONFIG_DUMMY is not set
# CONFIG_BONDING is not set
# CONFIG_EQUALIZER is not set
# CONFIG_NET_SB1000 is not set

#
# Wireless LAN (non-hamradio)
#
# CONFIG_NET_RADIO is not set

#
# Token Ring devices
#
# CONFIG_TR is not set
# CONFIG_NET_FC is not set
# CONFIG_RCPCI is not set
# CONFIG_SHAPER is not set

#
# Wan interfaces
#
# CONFIG_WAN is not set

#
# PCMCIA network device support
#
# CONFIG_NET_PCMCIA is not set

#
# Amateur Radio support
#
# CONFIG_HAMRADIO is not set

#
# IrDA (infrared) support
#
# CONFIG_IRDA is not set

#
# ATA/IDE/MFM/RLL support
#
CONFIG_IDE=y

#
# IDE, ATA and ATAPI Block devices
#
CONFIG_BLK_DEV_IDE=y

#
# SCSI support
#
# CONFIG_SCSI is not set

#
# I2O device support
#
# CONFIG_I2O is not set

#
# ISDN subsystem
#
# CONFIG_ISDN is not set

#
# I2C support
#
# CONFIG_I2C is not set

#
# Mice
#
# CONFIG_BUSMOUSE is not set
# CONFIG_MOUSE is not set

#
# Joysticks
#
# CONFIG_JOYSTICK is not set
# CONFIG_QIC02_TAPE is not set

#
# Watchdog Cards
#
# CONFIG_WATCHDOG is not set
# CONFIG_NVRAM is not set
# CONFIG_RTC is not set

#
# Video For Linux
#
# CONFIG_VIDEO_DEV is not set
# CONFIG_DTLK is not set
# CONFIG_R3964 is not set
# CONFIG_APPLICOM is not set

#
# Ftape, the floppy tape device driver
#
# CONFIG_FTAPE is not set
# CONFIG_AGP is not set
# CONFIG_DRM is not set
# CONFIG_PCMCIA_SERIAL is not set

#
# Partition Types
#
# CONFIG_PARTITION_ADVANCED is not set
CONFIG_MSDOS_PARTITION=y
# CONFIG_NLS is not set

#
# Console drivers
#
# CONFIG_VGA_CONSOLE is not set
CONFIG_FB=y
CONFIG_CERF_LCD_38_A=y
# CONFIG_CERF_LCD_57_A is not set
# CONFIG_CERF_LCD_72_A is not set

#
# Sound
#
# CONFIG_SOUND is not set

#
# USB support
#
# CONFIG_USB is not set

Also included is the ethernet driver modified by us for the 2.4 kernel.
I have not seen anything that would
affect this problem, but it is included just in case.

Any help would be much appreciated.

BTW: I may be doing something really stupid, please be gentle ;-)

Kernel Build Information:
Linux 2.4.0 test 6 w/patches(ARMlinux - rmk1 -np2)

Thanks,
Daniel Chemko

#
# Automatically generated make config: don't edit
#
CONFIG_ARM=y
# CONFIG_SBUS is not set
CONFIG_UID16=y

#
# Code maturity level options
#
CONFIG_EXPERIMENTAL=y
# CONFIG_OBSOLETE is not set

#
# Loadable module support
#
CONFIG_MODULES=y
# CONFIG_MODVERSIONS is not set
# CONFIG_KMOD is not set

#
# General setup
#
# CONFIG_SA1100_CERF_CMDLINE is not set
CONFIG_HOTPLUG=y

#
# Parallel port support
#
# CONFIG_PARPORT is not set

#
# Memory Technology Devices (MTD)
#
# CONFIG_MTD is not set

#
# Plug and Play configuration
#
# CONFIG_PNP is not set

#
# QoS and/or fair queueing
#
# CONFIG_NET_SCHED is not set

#
# Network device support
#
CONFIG_NETDEVICES=y

#
# ARCnet devices
#
# CONFIG_ARCNET is not set
# CONFIG_DUMMY is not set
# CONFIG_BONDING is not set
# CONFIG_EQUALIZER is not set
# CONFIG_NET_SB1000 is not set

#
# Wireless LAN (non-hamradio)
#
# CONFIG_NET_RADIO is not set

#
# Token Ring devices
#
# CONFIG_TR is not set
# CONFIG_NET_FC is not set
# CONFIG_RCPCI is not set
# CONFIG_SHAPER is not set

#
# Wan interfaces
#
# CONFIG_WAN is not set

#
# PCMCIA network device support
#
# CONFIG_NET_PCMCIA is not set

#
# Amateur Radio support
#
# CONFIG_HAMRADIO is not set

#
# IrDA (infrared) support
#
# CONFIG_IRDA is not set

#
# ATA/IDE/MFM/RLL support
#
CONFIG_IDE=y

#
# IDE, ATA and ATAPI Block devices
#
CONFIG_BLK_DEV_IDE=y

#
# SCSI support
#
# CONFIG_SCSI is not set

#
# I2O device support
#
# CONFIG_I2O is not set

#
# ISDN subsystem
#
# CONFIG_ISDN is not set

#
# I2C support
#
# CONFIG_I2C is not set

#
# Mice
#
# CONFIG_BUSMOUSE is not set
# CONFIG_MOUSE is not set

#
# Joysticks
#
# CONFIG_JOYSTICK is not set
# CONFIG_QIC02_TAPE is not set

#
# Watchdog Cards
#
# CONFIG_WATCHDOG is not set
# CONFIG_NVRAM is not set
# CONFIG_RTC is not set

#
# Video For Linux
#
# CONFIG_VIDEO_DEV is not set
# CONFIG_DTLK is not set
# CONFIG_R3964 is not set
# CONFIG_APPLICOM is not set

#
# Ftape, the floppy tape device driver
#
# CONFIG_FTAPE is not set
# CONFIG_AGP is not set
# CONFIG_DRM is not set
# CONFIG_PCMCIA_SERIAL is not set

#
# Partition Types
#
# CONFIG_PARTITION_ADVANCED is not set
CONFIG_MSDOS_PARTITION=y
# CONFIG_NLS is not set

#
# Console drivers
#
# CONFIG_VGA_CONSOLE is not set
CONFIG_FB=y
CONFIG_CERF_LCD_38_A=y
# CONFIG_CERF_LCD_57_A is not set
# CONFIG_CERF_LCD_72_A is not set

#
# Sound
#
# CONFIG_SOUND is not set

#
# USB support
#
# CONFIG_USB is not set

#
# Kernel hacking
#
CONFIG_FRAME_POINTER=y
CONFIG_DEBUG_ERRORS=y
CONFIG_DEBUG_USER=y
# CONFIG_DEBUG_INFO is not set
# CONFIG_MAGIC_SYSRQ is not set
# CONFIG_DEBUG_LL is not set

#include <stdio.h>
#include <stdlib.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <unistd.h>
#include <netinet/in.h>

#define TEST_PORT 12345
#define BUFSIZE 512
#define USAGE_STMT "Usage: argv[0] <address>\n"

int main(int argc, char* argv[])
{
        int i, s, duh;
        struct sockaddr_in saddr;
        char buf[BUFSIZE];
        struct ip_mreq mreq;

        if (argc != 2)
        {
                printf(USAGE_STMT);
                return -1;
        }

        if((s = socket(PF_INET, SOCK_DGRAM, 0)) == -1)
        {
                printf("argv[0]: cannot get socket descriptor\n");
                return -1;
        }

        saddr.sin_family = AF_INET;
        saddr.sin_port = htons(TEST_PORT);
        saddr.sin_addr.s_addr = htonl(INADDR_ANY);

        if(bind(s, &saddr, sizeof(struct sockaddr_in)) == -1)
        {
                printf("%s: could not name socket\n", argv[0]);
                return -1;
        }

        if(inet_aton(argv[1], &(mreq.imr_multiaddr)) == 0)
        {
                printf("You have specified an invalid address to join.\n");
                return -1;
        }
        if(inet_aton("192.168.1.7", &(mreq.imr_interface)) == 0)
        {
                printf("You have specified an invalid interface address.\n");
                return -1;
        }

        setsockopt(s, IPPROTO_IP, IP_ADD_MEMBERSHIP, &mreq, sizeof(struct ip_mreq));
        memset(&saddr, 0, sizeof(struct sockaddr_in));
        duh = sizeof(struct sockaddr_in);

        while (recvfrom(s, buf, BUFSIZE, 0, &saddr, &duh) > 0)
        {
                printf("%s says: %s\n", inet_ntoa(saddr.sin_addr.s_addr), buf);
                memset(&saddr, 0, sizeof(struct sockaddr_in));
        }
}

#include <stdio.h>
#include <stdlib.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <unistd.h>
#include <netinet/in.h>

#define TEST_PORT 12345
#define SEND_PORT 12345
#define BUFSIZE 512
#define USAGE_STMT "Usage: argv[0] <address> <message>\n"

int main(int argc, char* argv[])
{
        int i, s, duh;
        struct sockaddr_in saddr;
        char buf[BUFSIZE];

        if (argc != 3)
        {
                printf(USAGE_STMT);
                return -1;
        }

        s = socket(PF_INET, SOCK_DGRAM, 0);
        if (s == -1)
        {
                printf("argv[0]: cannot get socket descriptor\n");
                return -1;
        }

        saddr.sin_family = AF_INET;
        saddr.sin_port = htons(SEND_PORT);
        saddr.sin_addr.s_addr = INADDR_ANY;

        /*if (bind(s, &saddr, sizeof(struct sockaddr_in)) == -1)
        {
                printf("argv[0]: could not name socket\n");
                return -1;
        }*/

        saddr.sin_port = htons(TEST_PORT);
        saddr.sin_addr.s_addr = inet_addr(argv[1]);
        strcpy(buf, argv[2]);
        duh = sizeof(struct sockaddr_in);
        sendto(s, buf, strlen(buf)+1, 0, &saddr, duh);
}

application/octet-stream attachment: cerf89x0.c

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