Hi Luca,
I comment the line about “asm” in pfring.c, and now the rdtsc() function
becomes:
"
unsigned long long rdtsc()
{
unsigned long long a;
// asm volatile("rdtsc":"=A" (a));
return(a);
}
"
It can pass the compile.
I have searched other *.h && *.c files, and there is no place to invoke
rdtsc(). So I guess it doesn't matter to comment this line. But I still need
your confirmation about my guess. Thanks very much!
BR.
Sam
在2010-05-05 23:09:32，fly_2u <[email protected]> 写道：
Hi Luca,
All the problems about building PF_RING kernel module have been solved. Thanks
for previous help. And now, when I build the libpfring library, there is an
error:
“
xscale-linux-gcc -g -O2 -Wall -fPIC -I../../kernel -c pfring.c -o pfring.o
pfring.c: In function ‘rdtsc’:
pfring.c:32: error: impossible constraint in ‘asm’
make: *** [pfring.o] Error 1
”
xscale-linux-gcc is a cross_compile tool, which target platform is ARM.
Could you give me some suggestion to solve it? Thanks in advance.
BR.
Sam
在2010-05-01 00:42:58，"Luca Deri" <[email protected]> 写道：
>Do you have installer kerner sources/headers?> >No need to patch the kernel
>anymore. Please forget patching >>Luca> >On Apr 26, 2010, at 4:23 AM, fly_2u
>wrote: >>> Sorry for interrupting you again. >> There is another build error
>when I build in the kernel dir. >> #cd PF_RING/kernel>> #make >> It shows:>> "
>>> make -C /lib/modules/2.6.25.5-1.1-default/build
>SUBDIRS=/usr/src/PF_RING/kernel EXTRA_CFLAGS='-I/usr/src/PF_RING/kernel
>-DSVN_REV="\"exported\""' modules >> make[1]: Entering directory
>`/usr/src/linux-2.6.25.5-1.1-obj/i386/default' >> make[1]: *** No rule to make
>target `modules'. Stop. >> make[1]: Leaving directory
>`/usr/src/linux-2.6.25.5-1.1-obj/i386/default' >> make: *** [all] Error 2>> "
>>> Does it mean my default kernel doesn't support PF_RING? If yes, need I
>patch something for the kernel? >> Thanks for your kindly help.>> BR. >>
>在2010-04-25 22:13:43，"Luca Deri" <[email protected]> 写道： >> >You're right. The
>guide was obsolete. I have updated it >> > >> >Thanks for reporting this issue
>>> >>> >Luca>> > >> >On Apr 25, 2010, at 3:46 PM, fly_2u wrote: >> > >> >>
>Thanks Luca for your kind reply.:) >> >> Could you tell me where I can sync
>the code of pf_ring 4.x and its install manual? >> >> >> >> PS:I am a newer
>for pf_ring tech. And I downloaded the pf_ring code from
>"https://svn.ntop.org/svn/ntop/trunk/PF_RING/ ", where "UsersGuide.pdf" says
>we need patch the kernel. I can't find right place where I could sync 4.x
>pf_ring. >> >> >> >> BR. >> >> >> >> 在2010-04-25 18:53:19，"Luca Deri"
><[email protected]> 写道： >> >> >Sam >you seem to use the old 3.x pf_ring. The new
>one 4.x does not require any kernel patching. Please move to v4 >>Luca> >On
>Apr 25, 2010, at 10:37 AM, fly_2u wrote: > >> I manually create a Rules.make
>file, which content is: >> ">> %.s: %.c >> $(CC) $(CFLAGS)
>$(EXTRA_CFLAGS) $(CFLAGS_$(*F)) $(CFLAGS_$@) -S $< -o $@ >> ">> >> And then
>the building can go on. But another problem occurs, its description: >> >>
>">> >> LD net/built-in.o >> net/ring/built-in.o: In function
>`num_queued_pkts': >>
>/usr/src/PF_RING/workspace/linux-2.6.25/net/ring/ring_packet.c:348: multiple
>definition of `pfr' >>
>net/core/built-in.o:/usr/src/PF_RING/workspace/linux-2.6.25/net/core/sock.c:2072:
> first defined here >> >> " >> I have checked the ring_packet.c and sock.c,
>and it seems there is no conflict about "pfr". >> >> Who could help me solve
>these problems? Thanks very much! >> >> >> 在2010-04-25 16:06:30，fly_2u
><[email protected]> 写道： >> Hi experts,>> >> When I build the linux kernel
>2.6.25 which has been patched PR_RING, there is a error as below: >> " >>
>/usr/src/PF_RING/workspace/linux-2.6.25/net/ring/Makefile:15:
>/usr/src/PF_RING/workspace/linux-2.6.25/Rules.make: No such file or directory
>>> make[2]: *** No rule to make target
>`/usr/src/PF_RING/workspace/linux-2.6.25/Rules.make'. Stop. >> " >> Could you
>tell me how to fix it? Thanks so much! >> >> BR.>> Sam>> >> >> >>
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