How to know whether the Linux driver for the real-time network device was built into the kernel?

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kernel drivers kernel-modules real-time xenomai

                          From here: http://www.xenomai.org/index.php/RTnet:Installation_%26_Testing#Debugging_RTnet 
> The Linux driver for the real-time network device was built into the kernel and blocks the hardware.

When I execute rmmod 8139too it says the module does not exist in /proc/modules.  

Kernel is 2.6.38.8 (64 bit).

What other information should I provide for the question?

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    linux-y3pi:~ # uname -a
    Linux linux-y3pi 2.6.38.8-12-desktop #2 SMP PREEMPT Fri Jun 1 17:27:16 IST 2012 x86_64 x86_64 x86_64 GNU/Linux
    
    linux-y3pi:~ # ifconfig
    eth0      Link encap:Ethernet  HWaddr 00:24:8C:D9:D6:2E  
              inet addr:192.168.16.86  Bcast:192.168.16.255  Mask:255.255.255.0
              inet6 addr: fe80::224:8cff:fed9:d62e/64 Scope:Link
              UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
              RX packets:414 errors:0 dropped:0 overruns:0 frame:0
              TX packets:261 errors:0 dropped:0 overruns:0 carrier:0
              collisions:0 txqueuelen:1000 
              RX bytes:118971 (116.1 Kb)  TX bytes:35156 (34.3 Kb)
              Interrupt:17 Base address:0x4000 
    
    lo        Link encap:Local Loopback  
              inet addr:127.0.0.1  Mask:255.0.0.0
              inet6 addr: ::1/128 Scope:Host
              UP LOOPBACK RUNNING  MTU:16436  Metric:1
              RX packets:68 errors:0 dropped:0 overruns:0 frame:0
              TX packets:68 errors:0 dropped:0 overruns:0 carrier:0
              collisions:0 txqueuelen:0 
              RX bytes:4720 (4.6 Kb)  TX bytes:4720 (4.6 Kb)
    
    linux-y3pi:~ # ethtool -i eth0
    driver: r8169
    version: 2.3LK-NAPI
    firmware-version: 
    bus-info: 0000:01:00.0

    linux-y3pi:~ # rmmod r8169
    
    linux-y3pi:~ # ethtool eth0
    Settings for eth0:
    Cannot get device settings: No such device
    Cannot get wake-on-lan settings: No such device
    Cannot get message level: No such device
    Cannot get link status: No such device
    No data available
    
    linux-y3pi:~ #  lsmod|grep 8169
    
    linux-y3pi:~ #  lsmod|grep 8139
    
    linux-y3pi:~ #                                              
    
    

**.config from /usr/src/linux-2.6.38.8**

    CONFIG_R8169=m
    CONFIG_R8169_VLAN=y
    
    
    CONFIG_8139CP=m
    CONFIG_8139TOO=m
    #CONFIG_8139TOO_PIO is not set                                                                                                                                                   
    #CONFIG_8139TOO_TUNE_TWISTER is not set                                                                                                                                          
    CONFIG_8139TOO_8129=y
    #CONFIG_8139_OLD_RX_RESET is not set 
                        

Asked by Aquarius_Girl (1275 rep)

Jun 6, 2012, 10:43 AM
Last activity: Jun 7, 2012, 07:42 AM

How to know whether the Linux driver for the real-time network device was built into the kernel?

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