deri at ntop
May 18, 2011, 12:32 AM
Post #2 of 2
(230 views)
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Re: Compile error while building for kernels < 2.6.22: PFRING
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Daniel
I have committed the fix many thanks
Luca
On May 18, 2011, at 4:39 AM, Daniel, Christopher wrote:
> Hi Luca,
>
> I'm using kernel 2.6.18-238.9.1.el5
>
> I get a compile error when I try to build the kernel. Please see the fix and let me know if this is OK.
>
> make[1]: Entering directory `/usr/src/kernels/2.6.18-238.9.1.el5-x86_64'
> CC [M] /home/cdaniel/Installs/pf_ring/PF_RING/kernel/pf_ring.o
> /home/cdaniel/Installs/pf_ring/PF_RING/kernel/pf_ring.c: In function âset_skb_timeâ:
> /home/cdaniel/Installs/pf_ring/PF_RING/kernel/pf_ring.c:2695: error: invalid type argument of â->â
> make[2]: *** [/home/cdaniel/Installs/pf_ring/PF_RING/kernel/pf_ring.o] Error 1
> make[1]: *** [_module_/home/cdaniel/Installs/pf_ring/PF_RING/kernel] Error 2
> make[1]: Leaving directory `/usr/src/kernels/2.6.18-238.9.1.el5-x86_64'
>
> SOLUTION:
> ###########
>
> I looked at the code in pf_ring.c and it looks like for kernels < 2.6.22
>
> #elif(LINUX_VERSION_CODE < KERNEL_VERSION(2,6,22))
> if(skb->tstamp.off_sec == 0)
> __net_timestamp(skb); /* If timestamp is missing add it */
> hdr->ts.tv_sec = skb->tstamp.off_sec, hdr->ts.tv_usec = skb->tstamp.off_usec;
> hdr->extended_hdr->timestamp_ns = 0; /* No nsec for old kernels */ should be changed to
> hdr->extended_hdr.timestamp_ns = 0; i.e . instead of -> as extended_hdr is not a pointer.
>
>
>
> See
> struct pfring_pkthdr {
> /* pcap header */
> struct timeval ts; /* time stamp */
> u_int32_t caplen; /* length of portion present */
> u_int32_t len; /* length this packet (off wire) */
> struct pfring_extended_pkthdr extended_hdr; /* PF_RING extended header */
> };
>
>
>
>
>
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