[dpdk-dev] Compiling RSS ebpf

Sameeh Jubran sameeh at daynix.com
Fri May 25 10:53:34 CEST 2018


Ping.

On Sun, May 13, 2018 at 1:16 PM, Sameeh Jubran <sameeh at daynix.com> wrote:

> Sorry I have accidentally sent my last email without finishing it.
>
> I believe it is due misconfiguration of the linux headers and their
> inclusion. Anyone else faced these errors?
>
>
> On Sun, May 13, 2018 at 1:10 PM, Sameeh Jubran <sameeh at daynix.com> wrote:
>
>> Hi All,
>>
>> I am attempting to compile the rss epbf program dpdk and I am getting too
>> much compilation errors, is there anything specific that I need to
>> configure when compiling?
>>
>> I am running the following line:
>>
>>  clang -O2 -emit-llvm -c tap_bpf_program.c -o - | llc -march=bpf
>> -filetype=obj -o tap_bpf_program.o
>>
>> I think it is due to some misconfiguration of
>>
> The errors I am getting:
>>
>> tap_bpf_program.c:157:37: warning: implicit declaration of function
>> 'offsetof' is invalid in C99 [-Wimplicit-function-declaration]
>>                 __u8 *src_dst_addr = data + off + offsetof(struct iphdr,
>> saddr);
>>                                                   ^
>> tap_bpf_program.c:157:46: error: expected expression
>>                 __u8 *src_dst_addr = data + off + offsetof(struct iphdr,
>> saddr);
>>                                                            ^
>> tap_bpf_program.c:157:60: error: use of undeclared identifier 'saddr'
>>                 __u8 *src_dst_addr = data + off + offsetof(struct iphdr,
>> saddr);
>>                                                                          ^
>> tap_bpf_program.c:180:11: error: use of undeclared identifier 'TC_ACT_OK'
>>                         return TC_ACT_OK;
>>                                ^
>> tap_bpf_program.c:182:15: error: expected expression
>>                                         offsetof(struct ipv6hdr, saddr);
>>                                                  ^
>> tap_bpf_program.c:182:31: error: use of undeclared identifier 'saddr'
>>                                         offsetof(struct ipv6hdr, saddr);
>>                                                                  ^
>> tap_bpf_program.c:204:10: error: use of undeclared identifier
>> 'TC_ACT_PIPE'
>>                 return TC_ACT_PIPE;
>>                        ^
>> tap_bpf_program.c:212:9: error: use of undeclared identifier
>> 'TC_ACT_RECLASSIFY'
>>         return TC_ACT_RECLASSIFY;
>>                ^
>> tap_bpf_program.c:222:1: error: expected parameter declarator
>> RSS(l3_l4)
>> ^
>> tap_bpf_program.c:216:12: note: expanded from macro 'RSS'
>>         __section(#L) int                               \
>>                   ^
>> <scratch space>:76:1: note: expanded from here
>> "l3_l4"
>> ^
>> tap_bpf_program.c:222:1: error: expected ')'
>> tap_bpf_program.c:216:12: note: expanded from macro 'RSS'
>>         __section(#L) int                               \
>>                   ^
>> <scratch space>:76:1: note: expanded from here
>> "l3_l4"
>> ^
>> tap_bpf_program.c:222:1: note: to match this '('
>> tap_bpf_program.c:216:11: note: expanded from macro 'RSS'
>>         __section(#L) int                               \
>>                  ^
>> tap_bpf_program.c:222:1: warning: type specifier missing, defaults to
>> 'int' [-Wimplicit-int]
>> RSS(l3_l4)
>> ^
>> tap_bpf_program.c:216:2: note: expanded from macro 'RSS'
>>         __section(#L) int                               \
>>         ^
>> tap_bpf_program.c:222:1: error: expected ';' after top level declarator
>> tap_bpf_program.c:216:16: note: expanded from macro 'RSS'
>>         __section(#L) int                               \
>>                       ^
>> fatal error: too many errors emitted, stopping now [-ferror-limit=]
>> 6 warnings and 20 errors generated.
>> sameeh at bark:~/Builds/bpf_rss/dpdk/drivers/net/tap$ clear
>>
>> --
>> Respectfully,
>> *Sameeh Jubran*
>> *Linkedin <https://il.linkedin.com/pub/sameeh-jubran/87/747/a8a>*
>> *Software Engineer @ Daynix <http://www.daynix.com>.*
>>
>
>
>
> --
> Respectfully,
> *Sameeh Jubran*
> *Linkedin <https://il.linkedin.com/pub/sameeh-jubran/87/747/a8a>*
> *Software Engineer @ Daynix <http://www.daynix.com>.*
>



-- 
Respectfully,
*Sameeh Jubran*
*Linkedin <https://il.linkedin.com/pub/sameeh-jubran/87/747/a8a>*
*Software Engineer @ Daynix <http://www.daynix.com>.*


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