[dpdk-dev] Compiling RSS ebpf

[Sameeh Jubran]

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>.*